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StevenJoeZhang 2019-01-15 23:42:15 +08:00
parent c9e8554d8c
commit b535f5c354
33 changed files with 2092 additions and 12830 deletions
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3
.gitignore vendored
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@ -1,3 +1,4 @@
/node_modules
node_modules
npm-debug.log*
log.txt
package-lock.json

17
README.md
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@ -4,14 +4,29 @@ This is a clone of the original Paper-IO released by Voodoo, except for one aspe
This is just a fun side-project for me. If you would want to use this code, it would be nice to let me know.
## Install
```bash
git clone https://github.com/stevenjoezhang/paper.io.git
cd paper.io
npm install
```
## Running
After cloning this repository, run the follow commands to install dependencies and set up server. Enjoy!
```bash
npm install
npm start
```
## Build
```bash
sudo npm install -g browserify uglify-es
browserify game-client.js | uglifyjs > public/bundle.js
```
## License
This is licensed under MIT. As such, please provide due credit and link back to this repository if possible.

404
client-modes/bot-mode.js
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@ -1,11 +1,11 @@
if (process.argv.length < 3) {
console.log("Usage: node game-client-bot.js <socket-url> [<name>]")
process.exit(1);
console.log("Usage: node game-client-bot.js <socket-url> [<name>]")
process.exit(1);
}
var oldlog = console.log;
console.log = function(msg) {
return oldlog('[' + new Date() + '] ' + msg);
return oldlog(`[${new Date()}] ${msg}`);
}
//TODO: add a land claiming algo (with coefficient parameters)
@ -25,265 +25,257 @@ var THRESHOLD = 10;
var startFrame = -1;
var endFrame = -1;
var coeffs = [0.6164220147940495,-2.519369747858328,0.9198978109542851,-1.2158956330674564,-3.072901620397528, 5, 4];
var coeffs = [0.6164220147940495, -2.519369747858328, 0.9198978109542851, -1.2158956330674564, -3.072901620397528, 5, 4];
var grid, others, user, playerPortion;
var DIST_TYPES = {
land: {
check: function(loc) { return grid.get(loc.row, loc.col) === user; },
coeff: function() {return coeffs[0];}
}, tail: {
check: function(loc) {return tail(user, loc)},
coeff: function() {return coeffs[1];}
}, oTail: {
check: foundProto(tail),
coeff: function() {return AGGRESSIVE * coeffs[2];}
}, other: {
check: foundProto(function(other, loc) { return other.row === this.row && other.col === this.col; }),
coeff: function() {return (1 - AGGRESSIVE) * coeffs[3];}
}, edge: {
check: function(loc) {return loc.row <= 1 || loc.col <= 1 || loc.row >= GRID_SIZE - 1 || loc.col >= GRID_SIZE - 1},
coeff: function() {return coeffs[4];}
}
land: {
check: function(loc) {
return grid.get(loc.row, loc.col) === user;
},
coeff: function() {
return coeffs[0];
}
}, tail: {
check: function(loc) {
return tail(user, loc)
},
coeff: function() {
return coeffs[1];
}
}, oTail: {
check: foundProto(tail),
coeff: function() {
return AGGRESSIVE * coeffs[2];
}
}, other: {
check: foundProto(function(other, loc) {
return other.row === this.row && other.col === this.col;
}),
coeff: function() {
return (1 - AGGRESSIVE) * coeffs[3];
}
}, edge: {
check: function(loc) {
return loc.row <= 1 || loc.col <= 1 || loc.row >= GRID_SIZE - 1 || loc.col >= GRID_SIZE - 1
},
coeff: function() {
return coeffs[4];
}
}
};
function generateLandDirections() {
function mod(x) {
x %= 4;
if (x < 0) {
x += 4;
}
return x;
}
function mod(x) {
x %= 4;
if (x < 0) x += 4;
return x;
}
var breadth = Math.floor(Math.random() * coeffs[5]) + 1;
var spread = Math.floor(Math.random() * coeffs[6]) + 1;
var extra = Math.floor(Math.random() * 2) + 1;
var breadth = Math.floor(Math.random() * coeffs[5]) + 1;
var spread = Math.floor(Math.random() * coeffs[6]) + 1;
var extra = Math.floor(Math.random() * 2) + 1;
var ccw = Math.floor(Math.random() * 2) * 2 - 1;
var ccw = Math.floor(Math.random() * 2) * 2 - 1;
var dir = user.currentHeading;
var turns = [dir, mod(dir + ccw), mod(dir + ccw * 2), mod(dir + ccw * 3)];
var lengths = [breadth, spread, breadth + extra, spread];
var dir = user.currentHeading;
var turns = [dir, mod(dir + ccw), mod(dir + ccw * 2), mod(dir + ccw * 3)];
var lengths = [breadth, spread, breadth + extra, spread];
var moves = [];
for (var i = 0; i < turns.length; i++) {
for (var j = 0; j < lengths[i]; j++) {
moves.push(turns[i]);
}
}
var moves = [];
for (var i = 0; i < turns.length; i++) {
for (var j = 0; j < lengths[i]; j++) {
moves.push(turns[i]);
}
}
}
var LAND_CLAIMS = {
rectDims: function() {
var
}, rectSpread: function() {
}
rectDims: function() {},
rectSpread: function() {}
}
function foundProto(func) {
return function(loc) {
return others.some(function(other) {
return func(other, loc);
});
}
return function(loc) {
return others.some(function(other) {
return func(other, loc);
});
}
}
function connect() {
client.connectGame(process.argv[2], process.argv[3] || '[BOT]', function(success, msg) {
if (!success) {
setTimeout(connect, 1000);
}
});
client.connectGame(process.argv[2], process.argv[3] || "[BOT]", function(success, msg) {
if (!success) setTimeout(connect, 1000);
});
}
function Loc(row, col, step) {
if (this.constructor != Loc) {
return new Loc(row, col, step);
}
this.row = row;
this.col = col;
this.step = step;
if (this.constructor != Loc) return new Loc(row, col, step);
this.row = row;
this.col = col;
this.step = step;
}
//Projects vector b onto vector a
function project(a, b) {
var factor = (b[0] * a[0] + b[1] * a[1]) / (a[0] * a[0] + a[1] * a[1]);
return [factor * a[0], factor * a[1]];
var factor = (b[0] * a[0] + b[1] * a[1]) / (a[0] * a[0] + a[1] * a[1]);
return [factor * a[0], factor * a[1]];
}
function tail(player, loc) {
return player.tail.hitsTail(loc);
return player.tail.hitsTail(loc);
}
function traverseGrid(dir) {
steps = new Array(GRID_SIZE * GRID_SIZE);
for (var i in steps) {
steps[i] = -1;
}
steps = new Array(GRID_SIZE * GRID_SIZE);
for (var i in steps) {
steps[i] = -1;
}
distWeights = {};
for (var type in DIST_TYPES) {
distWeights[type] = 0;
}
distWeights = {};
for (var type in DIST_TYPES) {
distWeights[type] = 0;
}
var row = user.row, col = user.col;
var minRow = Math.max(0, row - 10), maxRow = Math.min(GRID_SIZE, row + 10);
var minCol = Math.max(0, col - 10), maxCol = Math.min(GRID_SIZE, col + 10);
var row = user.row, col = user.col;
var minRow = Math.max(0, row - 10), maxRow = Math.min(GRID_SIZE, row + 10);
var minCol = Math.max(0, col - 10), maxCol = Math.min(GRID_SIZE, col + 10);
var proj = 0;
for (var i = 1; i >= -1; i-=2) {
proj = (1 + THRESHOLD) * i;
while (proj != 0) {
proj -= i;
var normRange = Math.abs(proj);
for (var norm = -normRange; norm <= normRange; norm++) {
for (var distType in distWeights) {
var move = MOVES[dir];
var delta = THRESHOLD - Math.abs(proj);
var dist = Math.sign(proj) * delta * delta / (Math.abs(norm) + 1)
var loc = {row: proj * move[0] + norm * move[1], col: proj * move[1] + norm * move[0]};
loc.row += user.row;
loc.col += user.col;
var proj = 0;
for (var i = 1; i >= -1; i-=2) {
proj = (1 + THRESHOLD) * i;
while (proj != 0) {
proj -= i;
var normRange = Math.abs(proj);
for (var norm = -normRange; norm <= normRange; norm++) {
for (var distType in distWeights) {
var move = MOVES[dir];
var delta = THRESHOLD - Math.abs(proj);
var dist = Math.sign(proj) * delta * delta / (Math.abs(norm) + 1)
var loc = {row: proj * move[0] + norm * move[1], col: proj * move[1] + norm * move[0]};
if (loc.row < 0 || loc.row >= GRID_SIZE || loc.col < 0 || loc.col >= GRID_SIZE) {
continue;
}
if (DIST_TYPES[distType].check(loc)) {
distWeights[distType] += dist;
}
}
}
}
}
loc.row += user.row;
loc.col += user.col;
return distWeights;
if (loc.row < 0 || loc.row >= GRID_SIZE || loc.col < 0 || loc.col >= GRID_SIZE) continue;
if (DIST_TYPES[distType].check(loc)) distWeights[distType] += dist;
}
}
}
}
return distWeights;
}
function printGrid() {
var chars = new core.Grid(GRID_SIZE);
for (var r = 0; r < GRID_SIZE; r++) {
for (var c = 0; c < GRID_SIZE; c++) {
if (tail(user, {row: r, col: c})) {
chars.set(r, c, 't');
} else {
var owner = grid.get(r, c);
chars.set(r, c, owner ? '' + owner.num % 10 : '.');
}
}
}
var chars = new core.Grid(GRID_SIZE);
for (var r = 0; r < GRID_SIZE; r++) {
for (var c = 0; c < GRID_SIZE; c++) {
if (tail(user, {row: r, col: c})) chars.set(r, c, "t");
else {
var owner = grid.get(r, c);
chars.set(r, c, owner ? "" + owner.num % 10 : ".");
}
}
}
for (var p of others) {
chars.set(p.row, p.col, 'x');
}
chars.set(user.row, user.col, '^>V<'[user.currentHeading]);
for (var p of others) {
chars.set(p.row, p.col, "x");
}
chars.set(user.row, user.col, "^>V<"[user.currentHeading]);
var str = '';
for (var r = 0; r < GRID_SIZE; r++) {
str += '\n';
for (var c = 0; c < GRID_SIZE; c++) {
str += chars.get(r, c);
}
}
console.log(str);
var str = "";
for (var r = 0; r < GRID_SIZE; r++) {
str += "\n";
for (var c = 0; c < GRID_SIZE; c++) {
str += chars.get(r, c);
}
}
console.log(str);
}
function update(frame) {
if (startFrame == -1) {
startFrame = frame;
}
endFrame = frame;
if (startFrame == -1) startFrame = frame;
endFrame = frame;
if (frame % 6 == 1) {
grid = client.grid;
others = client.getOthers();
//printGrid();
var weights = [0, 0, 0, 0];
for (var d of [3, 0, 1]) {
var weight = 0;
if (frame % 6 == 1) {
grid = client.grid;
others = client.getOthers();
d = (d + user.currentHeading) % 4;
distWeights = traverseGrid(d);
//printGrid();
var str = d + ": "
for (var distType in DIST_TYPES) {
var point = distWeights[distType] * DIST_TYPES[distType].coeff();
weight += point;
str += distType + ": " + point + ", ";
}
//console.log(str);
weights[d] = weight;
}
var weights = [0, 0, 0, 0];
for (var d of [3, 0, 1]) {
var weight = 0;
var low = Math.min(0, Math.min.apply(this, weights));
var total = 0;
d = (d + user.currentHeading) % 4;
distWeights = traverseGrid(d);
weights[(user.currentHeading + 2) % 4] = low;
for (var i = 0; i < weights.length; i++) {
weights[i] -= low * (1 + Math.random());
total += weights[i];
}
var str = d + ": "
for (var distType in DIST_TYPES) {
var point = distWeights[distType] * DIST_TYPES[distType].coeff();
weight += point;
str += distType + ": " + point + ", ";
}
//console.log(str);
weights[d] = weight;
}
var low = Math.min(0, Math.min.apply(this, weights));
var total = 0;
weights[(user.currentHeading + 2) % 4] = low;
for (var i = 0; i < weights.length; i++) {
weights[i] -= low * (1 + Math.random());
total += weights[i];
}
if (total == 0) {
for (var d of [-1, 0, 1]) {
d = (d + user.currentHeading) % 4;
while (d < 0) d += 4;
weights[d] = 1;
total++;
}
}
//console.log(weights)
//Choose a random direction from the weighted list
var choice = Math.random() * total;
var d = 0;
while (choice > weights[d]) {
choice -= weights[d++];
}
client.changeHeading(d);
}
if (total == 0) {
for (var d of [-1, 0, 1]) {
d = (d + user.currentHeading) % 4;
while (d < 0) d += 4;
weights[d] = 1;
total++;
}
}
//console.log(weights)
//Choose a random direction from the weighted list
var choice = Math.random() * total;
var d = 0;
while (choice > weights[d]) {
choice -= weights[d++];
}
client.changeHeading(d);
}
}
function calcFavorability(params) {
return params.portion + params.kills * 50 + params.survival / 100;
return params.portion + params.kills * 50 + params.survival / 100;
}
client.allowAnimation = false;
client.renderer = {
addPlayer: function(player) {
playerPortion[player.num] = 0;
},
disconnect: function() {
var dt = (endFrame - startFrame);
startFrame = -1;
console.log("I died... (survived for " + dt + " frames.)");
console.log("I killed " + client.kills + " player(s).");
console.log("Coefficients: " + coeffs)
var mutation = Math.min(10, Math.pow(2, calcFavorability(params)));
for (var i = 0; i < coeffs.length; i++) {
coeffs[i] += Math.random() * mutation * 2 - mutation;
}
addPlayer: function(player) {
playerPortion[player.num] = 0;
},
disconnect: function() {
var dt = (endFrame - startFrame);
startFrame = -1;
console.log("I died... (survived for " + dt + " frames.)");
console.log("I killed " + client.kills + " player(s).");
console.log("Coefficients: " + coeffs);
connect();
},
removePlayer: function(player) {
delete playerPortion[player.num];
},
setUser: function(u) {
user = u;
},
update: update,
updateGrid: function(row, col, before, after) {
before && playerPortion[before.num]--;
after && playerPortion[after.num]++;
}
var mutation = Math.min(10, Math.pow(2, calcFavorability(params)));
for (var i = 0; i < coeffs.length; i++) {
coeffs[i] += Math.random() * mutation * 2 - mutation;
}
connect();
},
removePlayer: function(player) {
delete playerPortion[player.num];
},
setUser: function(u) {
user = u;
},
update: update,
updateGrid: function(row, col, before, after) {
before && playerPortion[before.num]--;
after && playerPortion[after.num]++;
}
};
connect();

336
client-modes/paper-io-bot-mode.js
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@ -1,14 +1,13 @@
if (process.argv.length < 3) {
console.log("Usage: node game-client-bot.js <socket-url> [<name>]")
process.exit(1);
console.log("Usage: node game-client-bot.js <socket-url> [<name>]")
process.exit(1);
}
var oldlog = console.log;
console.log = function(msg) {
return oldlog('[' + new Date() + '] ' + msg);
return oldlog(`[${new Date()}] ${msg}`);
}
var core = require("../game-core");
var client = require("../client");
@ -21,223 +20,192 @@ var endFrame = -1;
var grid, others, user, playerPortion = {}, claim = [];
function mod(x) {
x %= 4;
if (x < 0) {
x += 4;
}
return x;
x %= 4;
if (x < 0) x += 4;
return x;
}
function connect() {
client.connectGame(process.argv[2], process.argv[3] || '[PAPER-IO-BOT]', function(success, msg) {
if (!success) {
setTimeout(connect, 1000);
}
});
client.connectGame(process.argv[2], process.argv[3] || "[PAPER-IO-BOT]", function(success, msg) {
if (!success) setTimeout(connect, 1000);
});
}
function Loc(row, col) {
if (this.constructor != Loc) {
return new Loc(row, col);
}
if (this.constructor != Loc) return new Loc(row, col);
this.row = row;
this.col = col;
this.row = row;
this.col = col;
}
function update(frame) {
if (startFrame == -1) {
startFrame = frame;
}
endFrame = frame;
if (startFrame == -1) {
startFrame = frame;
}
endFrame = frame;
if (frame % 6 == (startFrame + 1) % 6) {
grid = client.grid;
others = client.getOthers();
if (frame % 6 == (startFrame + 1) % 6) {
grid = client.grid;
others = client.getOthers();
//Note: the code below isn't really my own code. This code is in fact the
//approximate algorithm used by the paper.io game. It has been modified from
//the original code (i.e. deobfuscating) and made more efficient in some
//areas (and some tweaks), otherwise, the original logic is about the same.
var row = user.row, col = user.col, dir = user.currentHeading;
var thres = (.05 + .1 * Math.random()) * GRID_SIZE * GRID_SIZE;
//Note: the code below isn't really my own code. This code is in fact the
//approximate algorithm used by the paper.io game. It has been modified from
//the original code (i.e. deobfuscating) and made more efficient in some
//areas (and some tweaks), otherwise, the original logic is about the same.
var row = user.row, col = user.col, dir = user.currentHeading;
var thres = (.05 + .1 * Math.random()) * GRID_SIZE * GRID_SIZE;
if (row < 0 || col < 0 || row >= GRID_SIZE || col >= GRID_SIZE) {
return;
}
if (row < 0 || col < 0 || row >= GRID_SIZE || col >= GRID_SIZE) return;
if (grid.get(row, col) === user) {
//When we are inside our territory
claim = [];
weights = [25, 25, 25, 25];
weights[dir] = 100;
weights[mod(dir + 2)] = -9999;
if (grid.get(row, col) === user) {
//When we are inside our territory
claim = [];
weights = [25, 25, 25, 25];
weights[dir] = 100;
weights[mod(dir + 2)] = -9999;
for (var nd = 0; nd < 4; nd++) {
for (var S = 1; S < 20; S++) {
var nr = MOVES[nd][0] * S + row;
var nc = MOVES[nd][1] * S + col;
for (var nd = 0; nd < 4; nd++) {
for (var S = 1; S < 20; S++) {
var nr = MOVES[nd][0] * S + row;
var nc = MOVES[nd][1] * S + col;
if (nr < 0 || nc < 0 || nr >= GRID_SIZE || nc >= GRID_SIZE) {
if (S > 1) {
weights[nd]--;
} else {
weights[nd] = -9999;
}
} else {
if (grid.get(nr, nc) !== user) {
weights[nd]--;
}
if (nr < 0 || nc < 0 || nr >= GRID_SIZE || nc >= GRID_SIZE) {
if (S > 1) weights[nd]--;
else weights[nd] = -9999;
}
else {
if (grid.get(nr, nc) !== user) weights[nd]--;
var tailed = undefined;
for (var o of others) {
if (o.tail.hitsTail(new Loc(nr, nc))) {
tailed = o;
break;
}
}
var tailed = undefined;
for (var o of others) {
if (o.tail.hitsTail(new Loc(nr, nc))) {
tailed = o;
break;
}
}
if (tailed) {
if (o.name.indexOf("PAPER") != -1) { //Don't really try to kill our own kind
weights[nd] += 3 * (30 - S);
} else {
weights[nd] += 30 * (30 - S);
}
}
}
}
}
if (tailed) {
if (o.name.indexOf("PAPER") != -1) weights[nd] += 3 * (30 - S); //Don't really try to kill our own kind
else weights[nd] += 30 * (30 - S);
}
}
}
}
//View a selection of choices based on the weights we computed
var choices = [];
for (var d = 0; d < 4; d++) {
for (var S = 1; S < weights[d]; S++) {
choices.push(d);
}
}
//View a selection of choices based on the weights we computed
var choices = [];
for (var d = 0; d < 4; d++) {
for (var S = 1; S < weights[d]; S++) {
choices.push(d);
}
}
if (choices.length === 0) {
choices.push(dir);
}
dir = choices[Math.floor(Math.random() * choices.length)];
} else if (playerPortion[user.num] < thres) {
//Claim some land if we are relatively tiny and have little to risk.
if (claim.length === 0) {
var breadth = 4 * Math.random() + 2;
var length = 4 * Math.random() + 2;
var ccw = 2 * Math.floor(2 * Math.random()) - 1;
if (choices.length === 0) choices.push(dir);
dir = choices[Math.floor(Math.random() * choices.length)];
}
else if (playerPortion[user.num] < thres) {
//Claim some land if we are relatively tiny and have little to risk.
if (claim.length === 0) {
var breadth = 4 * Math.random() + 2;
var length = 4 * Math.random() + 2;
var ccw = 2 * Math.floor(2 * Math.random()) - 1;
turns = [dir, mod(dir + ccw), mod(dir + ccw * 2), mod(dir + ccw * 3)];
lengths = [breadth, length, breadth + 2 * Math.random() + 1, length];
turns = [dir, mod(dir + ccw), mod(dir + ccw * 2), mod(dir + ccw * 3)];
lengths = [breadth, length, breadth + 2 * Math.random() + 1, length];
for (var i = 0; i < turns.length; i++) {
for (var j = 0; j < lengths[i]; j++) {
claim.push(turns[i]);
}
}
}
for (var i = 0; i < turns.length; i++) {
for (var j = 0; j < lengths[i]; j++) {
claim.push(turns[i]);
}
}
}
if (claim.length !== 0) {
dir = claim.shift();
}
} else {
claim = [];
//We are playing a little bit more cautious when we are outside and have a
//lot of land
weights = [5, 5, 5, 5];
weights[dir] = 50;
weights[mod(dir + 2)] = -9999;
if (claim.length !== 0) dir = claim.shift();
}
else {
claim = [];
//We are playing a little bit more cautious when we are outside and have a
//lot of land
weights = [5, 5, 5, 5];
weights[dir] = 50;
weights[mod(dir + 2)] = -9999;
for (var nd = 0; nd < 4; nd++) {
for (var S = 1; S < 20; S++) {
var nr = MOVES[nd][0] * S + row;
var nc = MOVES[nd][1] * S + col;
for (var nd = 0; nd < 4; nd++) {
for (var S = 1; S < 20; S++) {
var nr = MOVES[nd][0] * S + row;
var nc = MOVES[nd][1] * S + col;
if (nr < 0 || nc < 0 || nr >= GRID_SIZE || nc >= GRID_SIZE) {
if (S > 1) {
weights[nd]--;
} else {
weights[nd] = -9999;
}
} else {
if (user.tail.hitsTail(new Loc(nr, nc))) {
if (S > 1) {
weights[nd] -= 50 - S;
} else {
weights[nd] = -9999;
}
}
if (nr < 0 || nc < 0 || nr >= GRID_SIZE || nc >= GRID_SIZE) {
if (S > 1) weights[nd]--;
else weights[nd] = -9999;
}
else {
if (user.tail.hitsTail(new Loc(nr, nc))) {
if (S > 1) weights[nd] -= 50 - S;
else weights[nd] = -9999;
}
if (grid.get(nr, nc) === user) {
weights[nd] += 10 + S;
}
if (grid.get(nr, nc) === user) weights[nd] += 10 + S;
var tailed = undefined;
for (var o of others) {
if (o.tail.hitsTail(new Loc(nr, nc))) {
tailed = o;
break;
}
}
var tailed = undefined;
for (var o of others) {
if (o.tail.hitsTail(new Loc(nr, nc))) {
tailed = o;
break;
}
}
if (tailed) {
if (o.name.indexOf("PAPER") != -1) { //Don't really try to kill our own kind
weights[nd] += 3 * (30 - S);
} else {
weights[nd] += 30 * (30 - S);
}
}
}
}
}
if (tailed) {
if (o.name.indexOf("PAPER") != -1) weights[nd] += 3 * (30 - S); //Don't really try to kill our own kind
else weights[nd] += 30 * (30 - S);
}
}
}
}
//View a selection of choices based on the weights we computed
var choices = [];
for (var d = 0; d < 4; d++) {
for (var S = 1; S < weights[d]; S++) {
choices.push(d);
}
}
//View a selection of choices based on the weights we computed
var choices = [];
for (var d = 0; d < 4; d++) {
for (var S = 1; S < weights[d]; S++) {
choices.push(d);
}
}
if (choices.length === 0) {
choices.push(dir);
}
dir = choices[Math.floor(Math.random() * choices.length)];
}
client.changeHeading(dir);
}
if (choices.length === 0) choices.push(dir);
dir = choices[Math.floor(Math.random() * choices.length)];
}
client.changeHeading(dir);
}
}
function calcFavorability(params) {
return params.portion + params.kills * 50 + params.survival / 100;
return params.portion + params.kills * 50 + params.survival / 100;
}
client.allowAnimation = false;
client.renderer = {
addPlayer: function(player) {
playerPortion[player.num] = 0;
},
disconnect: function() {
var dt = (endFrame - startFrame);
startFrame = -1;
console.log("I died... (survived for " + dt + " frames.)");
console.log("I killed " + client.kills + " player(s).");
connect();
},
removePlayer: function(player) {
delete playerPortion[player.num];
},
setUser: function(u) {
user = u;
},
update: update,
updateGrid: function(row, col, before, after) {
before && playerPortion[before.num]--;
after && playerPortion[after.num]++;
}
addPlayer: function(player) {
playerPortion[player.num] = 0;
},
disconnect: function() {
var dt = (endFrame - startFrame);
startFrame = -1;
console.log("I died... (survived for " + dt + " frames.)");
console.log("I killed " + client.kills + " player(s).");
connect();
},
removePlayer: function(player) {
delete playerPortion[player.num];
},
setUser: function(u) {
user = u;
},
update: update,
updateGrid: function(row, col, before, after) {
before && playerPortion[before.num]--;
after && playerPortion[after.num]++;
}
};
connect();

41
client-modes/rolling.js
View File

@ -1,27 +1,22 @@
function Rolling(value, frames) {
var lag = 0;
if (!frames) frames = 24;
this.value = value;
Object.defineProperty(this, "lag", {
get: function() {
return lag;
},
enumerable: true
});
this.update = function() {
var delta = this.value - lag;
var dir = Math.sign(delta);
var speed = Math.abs(delta) / frames;
var mag = Math.min(Math.abs(speed), Math.abs(delta));
function Rolling(value, frames)
{
var lag = 0;
if (!frames)
frames = 24;
this.value = value;
Object.defineProperty(this, "lag", {
get: function() { return lag; },
enumerable: true
});
this.update = function() {
var delta = this.value - lag;
var dir = Math.sign(delta);
var speed = Math.abs(delta) / frames;
var mag = Math.min(Math.abs(speed), Math.abs(delta));
lag += mag * dir;
return lag;
}
lag += mag * dir;
return lag;
}
}
module.exports = Rolling;

701
client-modes/user-mode.js
View File

@ -19,432 +19,339 @@ var BAR_WIDTH = 400;
var canvas, canvasWidth, canvasHeight, gameWidth, gameHeight, ctx, offctx, offscreenCanvas;
$(function () {
canvas = $("#main-ui")[0];
ctx = canvas.getContext('2d');
offscreenCanvas = document.createElement("canvas");
offctx = offscreenCanvas.getContext('2d');
canvas.style.marginTop = 10;
updateSize();
$(function() {
canvas = $("#main-ui")[0];
ctx = canvas.getContext("2d");
offscreenCanvas = document.createElement("canvas");
offctx = offscreenCanvas.getContext("2d");
canvas.style.marginTop = 10;
updateSize();
});
var animateGrid, playerPortion, portionsRolling,
barProportionRolling, animateTo, offset, user, zoom, showedDead;
var animateGrid, playerPortion, portionsRolling, barProportionRolling, animateTo, offset, user, zoom, showedDead;
var grid = client.grid;
function updateSize()
{
var changed = false;
if (canvasWidth != window.innerWidth)
{
gameWidth = canvasWidth = offscreenCanvas.width = canvas.width = window.innerWidth;
changed = true;
}
if (canvasHeight != window.innerHeight - 20)
{
canvasHeight = offscreenCanvas.height = canvas.height = window.innerHeight - 20;
gameHeight = canvasHeight - BAR_HEIGHT;
changed = true;
}
if (changed && user)
centerOnPlayer(user, offset);
function updateSize() {
var changed = false;
if (canvasWidth != window.innerWidth) {
gameWidth = canvasWidth = offscreenCanvas.width = canvas.width = window.innerWidth;
changed = true;
}
if (canvasHeight != window.innerHeight - 20) {
canvasHeight = offscreenCanvas.height = canvas.height = window.innerHeight - 20;
gameHeight = canvasHeight - BAR_HEIGHT;
changed = true;
}
if (changed && user) centerOnPlayer(user, offset);
}
function reset() {
animateGrid = new core.Grid(GRID_SIZE);
playerPortion = [];
portionsRolling = [];
barProportionRolling = [];
animateTo = [0, 0];
offset = [0, 0];
user = null;
zoom = 1;
showedDead = false;
animateGrid = new core.Grid(GRID_SIZE);
playerPortion = [];
portionsRolling = [];
barProportionRolling = [];
animateTo = [0, 0];
offset = [0, 0];
user = null;
zoom = 1;
showedDead = false;
}
reset();
//Paint methods.
function paintGridBorder(ctx)
{
ctx.fillStyle = 'lightgray';
var gridWidth = CELL_WIDTH * GRID_SIZE;
//Paint methods
function paintGridBorder(ctx) {
ctx.fillStyle = "lightgray";
var gridWidth = CELL_WIDTH * GRID_SIZE;
ctx.fillRect(-BORDER_WIDTH, 0, BORDER_WIDTH, gridWidth);
ctx.fillRect(-BORDER_WIDTH, -BORDER_WIDTH, gridWidth + BORDER_WIDTH * 2, BORDER_WIDTH);
ctx.fillRect(gridWidth, 0, BORDER_WIDTH, gridWidth);
ctx.fillRect(-BORDER_WIDTH, gridWidth, gridWidth + BORDER_WIDTH * 2, BORDER_WIDTH);
ctx.fillRect(-BORDER_WIDTH, 0, BORDER_WIDTH, gridWidth);
ctx.fillRect(-BORDER_WIDTH, -BORDER_WIDTH, gridWidth + BORDER_WIDTH * 2, BORDER_WIDTH);
ctx.fillRect(gridWidth, 0, BORDER_WIDTH, gridWidth);
ctx.fillRect(-BORDER_WIDTH, gridWidth, gridWidth + BORDER_WIDTH * 2, BORDER_WIDTH);
}
function paintGrid(ctx)
{
//Paint background.
ctx.fillStyle = "rgb(211, 225, 237)";
ctx.fillRect(0, 0, CELL_WIDTH * GRID_SIZE, CELL_WIDTH * GRID_SIZE);
paintGridBorder(ctx);
//paintGridLines(ctx);
//Get viewing limits
var offsetX = (offset[0] - BORDER_WIDTH);
var offsetY = (offset[1] - BORDER_WIDTH);
var minRow = Math.max(Math.floor(offsetY / CELL_WIDTH), 0);
var minCol = Math.max(Math.floor(offsetX / CELL_WIDTH), 0);
var maxRow = Math.min(Math.ceil((offsetY + gameHeight / zoom) / CELL_WIDTH), grid.size);
var maxCol = Math.min(Math.ceil((offsetX + gameWidth / zoom) / CELL_WIDTH), grid.size);
//Paint occupied areas. (and fading ones).
for (var r = minRow; r < maxRow; r++)
{
for (var c = minCol; c < maxCol; c++)
{
var p = grid.get(r, c);
var x = c * CELL_WIDTH, y = r * CELL_WIDTH, baseColor, shadowColor;
var animateSpec = animateGrid.get(r, c);
if (client.allowAnimation && animateSpec)
{
if (animateSpec.before) //fading animation
{
var frac = (animateSpec.frame / ANIMATE_FRAMES);
var back = new core.Color(.58, .41, .92, 1);
baseColor = animateSpec.before.lightBaseColor.interpolateToString(back, frac);
shadowColor = animateSpec.before.shadowColor.interpolateToString(back, frac);
}
else
continue;
}
else if (p)
{
baseColor = p.lightBaseColor;
shadowColor = p.shadowColor;
}
else //No animation nor is this player owned.
continue;
var hasBottom = !grid.isOutOfBounds(r + 1, c);
var bottomAnimate = hasBottom && animateGrid.get(r + 1, c);
var totalStatic = !bottomAnimate && !animateSpec;
var bottomEmpty = totalStatic ? (hasBottom && !grid.get(r + 1, c)) :
(!bottomAnimate || (bottomAnimate.after && bottomAnimate.before));
if (hasBottom && ((!!bottomAnimate ^ !!animateSpec) || bottomEmpty))
{
ctx.fillStyle = shadowColor.rgbString();
ctx.fillRect(x, y + CELL_WIDTH, CELL_WIDTH + 1, SHADOW_OFFSET);
}
ctx.fillStyle = baseColor.rgbString();
ctx.fillRect(x, y, CELL_WIDTH + 1, CELL_WIDTH + 1);
}
}
if (!client.allowAnimation)
return;
//Paint squares with drop in animation.
for (var r = 0; r < grid.size; r++)
{
for (var c = 0; c < grid.size; c++)
{
animateSpec = animateGrid.get(r, c);
x = c * CELL_WIDTH, y = r * CELL_WIDTH;
if (animateSpec && client.allowAnimation)
{
var viewable = r >= minRow && r < maxRow && c >= minCol && c < maxCol;
if (animateSpec.after && viewable)
{
//Bouncing the squares.
var offsetBounce = getBounceOffset(animateSpec.frame);
y -= offsetBounce;
shadowColor = animateSpec.after.shadowColor;
baseColor = animateSpec.after.lightBaseColor.deriveLumination(-(offsetBounce / DROP_HEIGHT) * .1);
ctx.fillStyle = shadowColor.rgbString();
ctx.fillRect(x, y + CELL_WIDTH, CELL_WIDTH, SHADOW_OFFSET);
ctx.fillStyle = baseColor.rgbString();
ctx.fillRect(x, y, CELL_WIDTH + 1, CELL_WIDTH + 1);
}
animateSpec.frame++;
if (animateSpec.frame >= ANIMATE_FRAMES)
animateGrid.set(r, c, null);
}
}
}
function paintGrid(ctx) {
//Paint background
ctx.fillStyle = "rgb(211, 225, 237)";
ctx.fillRect(0, 0, CELL_WIDTH * GRID_SIZE, CELL_WIDTH * GRID_SIZE);
paintGridBorder(ctx);
//paintGridLines(ctx);
//Get viewing limits
var offsetX = (offset[0] - BORDER_WIDTH);
var offsetY = (offset[1] - BORDER_WIDTH);
var minRow = Math.max(Math.floor(offsetY / CELL_WIDTH), 0);
var minCol = Math.max(Math.floor(offsetX / CELL_WIDTH), 0);
var maxRow = Math.min(Math.ceil((offsetY + gameHeight / zoom) / CELL_WIDTH), grid.size);
var maxCol = Math.min(Math.ceil((offsetX + gameWidth / zoom) / CELL_WIDTH), grid.size);
//Paint occupied areas. (and fading ones)
for (var r = minRow; r < maxRow; r++) {
for (var c = minCol; c < maxCol; c++) {
var p = grid.get(r, c);
var x = c * CELL_WIDTH, y = r * CELL_WIDTH, baseColor, shadowColor;
var animateSpec = animateGrid.get(r, c);
if (client.allowAnimation && animateSpec) {
if (animateSpec.before) { //fading animation
var frac = (animateSpec.frame / ANIMATE_FRAMES);
var back = new core.Color(.58, .41, .92, 1);
baseColor = animateSpec.before.lightBaseColor.interpolateToString(back, frac);
shadowColor = animateSpec.before.shadowColor.interpolateToString(back, frac);
}
else continue;
}
else if (p) {
baseColor = p.lightBaseColor;
shadowColor = p.shadowColor;
}
else continue; //No animation nor is this player owned
var hasBottom = !grid.isOutOfBounds(r + 1, c);
var bottomAnimate = hasBottom && animateGrid.get(r + 1, c);
var totalStatic = !bottomAnimate && !animateSpec;
var bottomEmpty = totalStatic ? (hasBottom && !grid.get(r + 1, c)) :
(!bottomAnimate || (bottomAnimate.after && bottomAnimate.before));
if (hasBottom && ((!!bottomAnimate ^ !!animateSpec) || bottomEmpty)) {
ctx.fillStyle = shadowColor.rgbString();
ctx.fillRect(x, y + CELL_WIDTH, CELL_WIDTH + 1, SHADOW_OFFSET);
}
ctx.fillStyle = baseColor.rgbString();
ctx.fillRect(x, y, CELL_WIDTH + 1, CELL_WIDTH + 1);
}
}
if (!client.allowAnimation) return;
//Paint squares with drop in animation
for (var r = 0; r < grid.size; r++) {
for (var c = 0; c < grid.size; c++) {
animateSpec = animateGrid.get(r, c);
x = c * CELL_WIDTH, y = r * CELL_WIDTH;
if (animateSpec && client.allowAnimation) {
var viewable = r >= minRow && r < maxRow && c >= minCol && c < maxCol;
if (animateSpec.after && viewable) {
//Bouncing the squares.
var offsetBounce = getBounceOffset(animateSpec.frame);
y -= offsetBounce;
shadowColor = animateSpec.after.shadowColor;
baseColor = animateSpec.after.lightBaseColor.deriveLumination(-(offsetBounce / DROP_HEIGHT) * .1);
ctx.fillStyle = shadowColor.rgbString();
ctx.fillRect(x, y + CELL_WIDTH, CELL_WIDTH, SHADOW_OFFSET);
ctx.fillStyle = baseColor.rgbString();
ctx.fillRect(x, y, CELL_WIDTH + 1, CELL_WIDTH + 1);
}
animateSpec.frame++;
if (animateSpec.frame >= ANIMATE_FRAMES) animateGrid.set(r, c, null);
}
}
}
}
function paintUIBar(ctx) {
//UI Bar background
ctx.fillStyle = "#24422c";
ctx.fillRect(0, 0, canvasWidth, BAR_HEIGHT);
function paintUIBar(ctx)
{
//UI Bar background
ctx.fillStyle = "#24422c";
ctx.fillRect(0, 0, canvasWidth, BAR_HEIGHT);
var barOffset;
ctx.fillStyle = "white";
ctx.font = "24px Changa";
barOffset = (user && user.name) ? (ctx.measureText(user.name).width + 20) : 0;
ctx.fillText(user ? user.name : "", 5, CELL_WIDTH - 5);
//Draw filled bar.
ctx.fillStyle = "rgba(180, 180, 180, .3)";
ctx.fillRect(barOffset, 0, BAR_WIDTH, BAR_HEIGHT);
var userPortions = portionsRolling[user.num] ? portionsRolling[user.num].lag : 0;
var barSize = Math.ceil((BAR_WIDTH - MIN_BAR_WIDTH) * userPortions + MIN_BAR_WIDTH);
ctx.fillStyle = user ? user.baseColor.rgbString() : "";
ctx.fillRect(barOffset, 0, barSize, CELL_WIDTH);
ctx.fillStyle = user ? user.shadowColor.rgbString() : "";
ctx.fillRect(barOffset, CELL_WIDTH, barSize, SHADOW_OFFSET);
//TODO: dont reset kill count and zoom when we request frames.
//Percentage
ctx.fillStyle = "white";
ctx.font = "18px Changa";
ctx.fillText((userPortions * 100).toFixed(3) + "%", 5 + barOffset, CELL_WIDTH - 5);
//Number of kills
var killsText = "Kills: " + client.kills;
var killsOffset = 20 + BAR_WIDTH + barOffset;
ctx.fillText(killsText, killsOffset, CELL_WIDTH - 5);
//Calcuate rank
var sorted = [];
client.getPlayers().forEach(function(val) {
sorted.push({player: val, portion: playerPortion[val.num]});
});
sorted.sort(function(a, b) {
if (a.portion === b.portion) return a.player.num - b.player.num;
else return b.portion - a.portion;
});
var rank = sorted.findIndex(function(val) {return val.player === user});
ctx.fillText("Rank: " + (rank === -1 ? "--" : rank + 1) + " of " + sorted.length,
ctx.measureText(killsText).width + killsOffset + 20, CELL_WIDTH - 5);
//Rolling the leaderboard bars.
if (sorted.length > 0)
{
var maxPortion = sorted[0].portion;
client.getPlayers().forEach(function(player) {
var rolling = barProportionRolling[player.num];
rolling.value = playerPortion[player.num] / maxPortion;
rolling.update();
});
}
//Show leaderboard.
var leaderboardNum = Math.min(5, sorted.length);
for (var i = 0; i < leaderboardNum; i++)
{
var player = sorted[i].player;
var name = player.name || "Unnamed";
var portion = barProportionRolling[player.num].lag;
var nameWidth = ctx.measureText(name).width;
barSize = Math.ceil((BAR_WIDTH - MIN_BAR_WIDTH) * portion + MIN_BAR_WIDTH);
var barX = canvasWidth - barSize;
var barY = BAR_HEIGHT * (i + 1);
var offset = i == 0 ? 10 : 0;
ctx.fillStyle = 'rgba(10, 10, 10, .3)';
ctx.fillRect(barX - 10, barY + 10 - offset, barSize + 10, BAR_HEIGHT + offset);
ctx.fillStyle = player.baseColor.rgbString();
ctx.fillRect(barX, barY, barSize, CELL_WIDTH);
ctx.fillStyle = player.shadowColor.rgbString();
ctx.fillRect(barX, barY + CELL_WIDTH, barSize, SHADOW_OFFSET);
ctx.fillStyle = "black";
ctx.fillText(name, barX - nameWidth - 15, barY + 27);
var percentage = (portionsRolling[player.num].lag * 100).toFixed(3) + "%";
ctx.fillStyle = "white";
ctx.fillText(percentage, barX + 5, barY + CELL_WIDTH - 5);
}
var barOffset;
ctx.fillStyle = "white";
ctx.font = "24px Changa";
barOffset = (user && user.name) ? (ctx.measureText(user.name).width + 20) : 0;
ctx.fillText(user ? user.name : "", 5, CELL_WIDTH - 5);
//Draw filled bar
ctx.fillStyle = "rgba(180, 180, 180, .3)";
ctx.fillRect(barOffset, 0, BAR_WIDTH, BAR_HEIGHT);
var userPortions = portionsRolling[user.num] ? portionsRolling[user.num].lag : 0;
var barSize = Math.ceil((BAR_WIDTH - MIN_BAR_WIDTH) * userPortions + MIN_BAR_WIDTH);
ctx.fillStyle = user ? user.baseColor.rgbString() : "";
ctx.fillRect(barOffset, 0, barSize, CELL_WIDTH);
ctx.fillStyle = user ? user.shadowColor.rgbString() : "";
ctx.fillRect(barOffset, CELL_WIDTH, barSize, SHADOW_OFFSET);
//TODO: dont reset kill count and zoom when we request frames.
//Percentage
ctx.fillStyle = "white";
ctx.font = "18px Changa";
ctx.fillText((userPortions * 100).toFixed(3) + "%", 5 + barOffset, CELL_WIDTH - 5);
//Number of kills
var killsText = "Kills: " + client.kills;
var killsOffset = 20 + BAR_WIDTH + barOffset;
ctx.fillText(killsText, killsOffset, CELL_WIDTH - 5);
//Calcuate rank
var sorted = [];
client.getPlayers().forEach(function(val) {
sorted.push({player: val, portion: playerPortion[val.num]});
});
sorted.sort(function(a, b) {
return (a.portion === b.portion) ? a.player.num - b.player.num : b.portion - a.portion;
});
var rank = sorted.findIndex(function(val) {
return val.player === user
});
ctx.fillText("Rank: " + (rank === -1 ? "--" : rank + 1) + " of " + sorted.length,
ctx.measureText(killsText).width + killsOffset + 20, CELL_WIDTH - 5);
//Rolling the leaderboard bars
if (sorted.length > 0) {
var maxPortion = sorted[0].portion;
client.getPlayers().forEach(function(player) {
var rolling = barProportionRolling[player.num];
rolling.value = playerPortion[player.num] / maxPortion;
rolling.update();
});
}
//Show leaderboard
var leaderboardNum = Math.min(5, sorted.length);
for (var i = 0; i < leaderboardNum; i++) {
var player = sorted[i].player;
var name = player.name || "Unnamed";
var portion = barProportionRolling[player.num].lag;
var nameWidth = ctx.measureText(name).width;
barSize = Math.ceil((BAR_WIDTH - MIN_BAR_WIDTH) * portion + MIN_BAR_WIDTH);
var barX = canvasWidth - barSize;
var barY = BAR_HEIGHT * (i + 1);
var offset = i == 0 ? 10 : 0;
ctx.fillStyle = "rgba(10, 10, 10, .3)";
ctx.fillRect(barX - 10, barY + 10 - offset, barSize + 10, BAR_HEIGHT + offset);
ctx.fillStyle = player.baseColor.rgbString();
ctx.fillRect(barX, barY, barSize, CELL_WIDTH);
ctx.fillStyle = player.shadowColor.rgbString();
ctx.fillRect(barX, barY + CELL_WIDTH, barSize, SHADOW_OFFSET);
ctx.fillStyle = "black";
ctx.fillText(name, barX - nameWidth - 15, barY + 27);
var percentage = (portionsRolling[player.num].lag * 100).toFixed(3) + "%";
ctx.fillStyle = "white";
ctx.fillText(percentage, barX + 5, barY + CELL_WIDTH - 5);
}
}
function paint(ctx)
{
ctx.fillStyle = '#e2ebf3'; //'whitesmoke';
ctx.fillRect(0, 0, canvasWidth, canvasHeight);
//Move grid to viewport as said with the offsets, below the stats
ctx.save();
ctx.translate(0, BAR_HEIGHT);
ctx.beginPath();
ctx.rect(0, 0, gameWidth, gameHeight);
ctx.clip();
//Zoom in/out based on player stats.
ctx.scale(zoom, zoom);
ctx.translate(-offset[0] + BORDER_WIDTH, -offset[1] + BORDER_WIDTH);
paintGrid(ctx);
client.getPlayers().forEach(function (p) {
var fr = p.waitLag;
if (fr < ANIMATE_FRAMES)
p.render(ctx, fr / ANIMATE_FRAMES);
else
p.render(ctx);
});
//Reset transform to paint fixed UI elements
ctx.restore();
paintUIBar(ctx);
if ((!user || user.dead) && !showedDead)
{
showedDead = true;
console.log("You died!");
//return;
}
function paint(ctx) {
ctx.fillStyle = "#e2ebf3"; //"whitesmoke";
ctx.fillRect(0, 0, canvasWidth, canvasHeight);
//Move grid to viewport as said with the offsets, below the stats
ctx.save();
ctx.translate(0, BAR_HEIGHT);
ctx.beginPath();
ctx.rect(0, 0, gameWidth, gameHeight);
ctx.clip();
//Zoom in/out based on player stats
ctx.scale(zoom, zoom);
ctx.translate(-offset[0] + BORDER_WIDTH, -offset[1] + BORDER_WIDTH);
paintGrid(ctx);
client.getPlayers().forEach(function (p) {
var fr = p.waitLag;
if (fr < ANIMATE_FRAMES) p.render(ctx, fr / ANIMATE_FRAMES);
else p.render(ctx);
});
//Reset transform to paint fixed UI elements
ctx.restore();
paintUIBar(ctx);
if ((!user || user.dead) && !showedDead) {
showedDead = true;
console.log("You died!");
//return;
}
}
function paintDoubleBuff()
{
paint(offctx);
ctx.drawImage(offscreenCanvas, 0, 0);
function paintDoubleBuff() {
paint(offctx);
ctx.drawImage(offscreenCanvas, 0, 0);
}
function update() {
updateSize();
//Change grid offsets.
for (var i = 0; i <= 1; i++)
{
if (animateTo[i] !== offset[i])
{
if (client.allowAnimation)
{
var delta = animateTo[i] - offset[i];
var dir = Math.sign(delta);
var mag = Math.min(SPEED, Math.abs(delta));
offset[i] += dir * mag;
}
else
offset[i] = animateTo[i];
}
}
//Calculate player portions.
client.getPlayers().forEach(function(player) {
var roll = portionsRolling[player.num];
roll.value = playerPortion[player.num] / GRID_SIZE / GRID_SIZE;
roll.update();
});
//Zoom goes from 1 to .5, decreasing as portion goes up. TODO: maybe can modify this?
if (portionsRolling[user.num])
zoom = 1 / (portionsRolling[user.num].lag + 1);
//TODO: animate player is dead. (maybe explosion?), and tail rewinds itself.
if (user) centerOnPlayer(user, animateTo);
updateSize();
//Change grid offsets
for (var i = 0; i <= 1; i++) {
if (animateTo[i] !== offset[i]) {
if (client.allowAnimation) {
var delta = animateTo[i] - offset[i];
var dir = Math.sign(delta);
var mag = Math.min(SPEED, Math.abs(delta));
offset[i] += dir * mag;
}
else offset[i] = animateTo[i];
}
}
//Calculate player portions
client.getPlayers().forEach(function(player) {
var roll = portionsRolling[player.num];
roll.value = playerPortion[player.num] / GRID_SIZE / GRID_SIZE;
roll.update();
});
//Zoom goes from 1 to .5, decreasing as portion goes up. TODO: maybe can modify this?
if (portionsRolling[user.num]) zoom = 1 / (portionsRolling[user.num].lag + 1);
//TODO: animate player is dead. (maybe explosion?), and tail rewinds itself.
if (user) centerOnPlayer(user, animateTo);
}
//Helper methods.
function centerOnPlayer(player, pos)
{
var xOff = Math.floor(player.posX - (gameWidth / zoom - CELL_WIDTH) / 2);
var yOff = Math.floor(player.posY - (gameHeight / zoom - CELL_WIDTH) / 2);
var gridWidth = grid.size * CELL_WIDTH + BORDER_WIDTH * 2;
pos[0] = xOff; //Math.max(Math.min(xOff, gridWidth + (BAR_WIDTH + 100) / zoom - gameWidth / zoom), 0);
pos[1] = yOff; //Math.max(Math.min(yOff, gridWidth - gameHeight / zoom), 0);
//Helper methods
function centerOnPlayer(player, pos) {
var xOff = Math.floor(player.posX - (gameWidth / zoom - CELL_WIDTH) / 2);
var yOff = Math.floor(player.posY - (gameHeight / zoom - CELL_WIDTH) / 2);
var gridWidth = grid.size * CELL_WIDTH + BORDER_WIDTH * 2;
pos[0] = xOff; //Math.max(Math.min(xOff, gridWidth + (BAR_WIDTH + 100) / zoom - gameWidth / zoom), 0);
pos[1] = yOff; //Math.max(Math.min(yOff, gridWidth - gameHeight / zoom), 0);
}
function getBounceOffset(frame)
{
var offsetBounce = ANIMATE_FRAMES;
var bounceNum = BOUNCE_FRAMES.length - 1;
while (bounceNum >= 0 && frame < offsetBounce - BOUNCE_FRAMES[bounceNum])
{
offsetBounce -= BOUNCE_FRAMES[bounceNum];
bounceNum--;
}
if (bounceNum === -1)
{
return (offsetBounce - frame) * DROP_SPEED;
}
else
{
offsetBounce -= BOUNCE_FRAMES[bounceNum];
frame = frame - offsetBounce;
var midFrame = BOUNCE_FRAMES[bounceNum] / 2;
if (frame >= midFrame)
return (BOUNCE_FRAMES[bounceNum] - frame) * DROP_SPEED;
else
return frame * DROP_SPEED;
}
}
function showStats() {
//TODO: Show score stats.
$("#begin").removeClass("hidden");
$("#begin").animate({
opacity: .9999
}, 1000, function() {
$("#stats").addClass("hidden").css("opacity", 0);
});
function getBounceOffset(frame) {
var offsetBounce = ANIMATE_FRAMES;
var bounceNum = BOUNCE_FRAMES.length - 1;
while (bounceNum >= 0 && frame < offsetBounce - BOUNCE_FRAMES[bounceNum]) {
offsetBounce -= BOUNCE_FRAMES[bounceNum];
bounceNum--;
}
if (bounceNum === -1) return (offsetBounce - frame) * DROP_SPEED;
else {
offsetBounce -= BOUNCE_FRAMES[bounceNum];
frame = frame - offsetBounce;
var midFrame = BOUNCE_FRAMES[bounceNum] / 2;
return (frame >= midFrame) ? (BOUNCE_FRAMES[bounceNum] - frame) * DROP_SPEED : frame * DROP_SPEED;
}
}
module.exports = exports = {
addPlayer: function(player) {
playerPortion[player.num] = 0;
portionsRolling[player.num] = new Rolling(9 / GRID_SIZE / GRID_SIZE, ANIMATE_FRAMES);
barProportionRolling[player.num] = new Rolling(0, ANIMATE_FRAMES);
},
disconnect: function() {
//Show score stats.
$("#stats").removeClass("hidden");
$("#stats").animate({
opacity: .9999
}, 3000, function() {
showStats();
//Then fade back into the login screen.
});
},
removePlayer: function(player) {
delete playerPortion[player.num];
delete portionsRolling[player.num];
delete barProportionRolling[player.num];
},
setUser: function(player) {
user = player;
centerOnPlayer(user, offset);
},
reset: reset,
updateGrid: function(row, col, before, after) {
//Keep track of areas.
if (before)
playerPortion[before.num]--;
if (after)
playerPortion[after.num]++;
//Queue animation
if (before === after || !client.allowAnimation)
return;
animateGrid.set(row, col, {
before: before,
after: after,
frame: 0
});
},
paint: paintDoubleBuff,
update: update
addPlayer: function(player) {
playerPortion[player.num] = 0;
portionsRolling[player.num] = new Rolling(9 / GRID_SIZE / GRID_SIZE, ANIMATE_FRAMES);
barProportionRolling[player.num] = new Rolling(0, ANIMATE_FRAMES);
},
disconnect: function() {
$("#begin").fadeIn(1000);
$("#main-ui").fadeOut(1000);
},
removePlayer: function(player) {
delete playerPortion[player.num];
delete portionsRolling[player.num];
delete barProportionRolling[player.num];
},
setUser: function(player) {
user = player;
centerOnPlayer(user, offset);
},
reset: reset,
updateGrid: function(row, col, before, after) {
//Keep track of areas
if (before) playerPortion[before.num]--;
if (after) playerPortion[after.num]++;
//Queue animation
if (before === after || !client.allowAnimation) return;
animateGrid.set(row, col, {
before: before,
after: after,
frame: 0
});
},
paint: paintDoubleBuff,
update: update
};

565
client.js
View File

@ -1,382 +1,291 @@
var core = require('./game-core');
var core = require("./game-core");
var Player = core.Player;
var io = require('socket.io-client');
var io = require("socket.io-client");
var GRID_SIZE = core.GRID_SIZE;
var CELL_WIDTH = core.CELL_WIDTH;
var running = false;
var user, socket, frame;
var players, allPlayers;
var kills;
var timeout = undefined;
var dirty = false;
var deadFrames = 0;
var requesting = -1; //frame that we are requesting at.
var frameCache = []; //Frames after our request.
var requesting = -1; //frame that we are requesting at
var frameCache = []; //Frames after our request
var allowAnimation = true;
var grid = new core.Grid(core.GRID_SIZE, function(row, col, before, after) {
invokeRenderer('updateGrid', [row, col, before, after]);
});
invokeRenderer("updateGrid", [row, col, before, after]);
});
/**
* Provides requestAnimationFrame in a cross browser way. (edited so that this is also compatible with node.)
* @author paulirish / http://paulirish.com/
*/
// window.requestAnimationFrame = function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
// window.setTimeout( callback, 1000 / 60 );
// };
var hasWindow;
try {
window.document;
hasWindow = true;
} catch (e) {
hasWindow = false;
}
var requestAnimationFrame;
if ( !requestAnimationFrame ) {
requestAnimationFrame = ( function() {
if (hasWindow) {
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
setTimeout( callback, 1000 / 60 );
};
} else {
return function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
setTimeout( callback, 1000 / 60 );
};
}
})();
}
var mimiRequestAnimationFrame = window && window.document
? window.requestAnimationFrame
|| window.webkitRequestAnimationFrame
|| window.mozRequestAnimationFrame
|| window.oRequestAnimationFrame
|| window.msRequestAnimationFrame
|| function(callback) { window.setTimeout(callback, 1000 / 30) }
: function(callback) { window.setTimeout(callback, 1000 / 30) };
//Public API
function connectGame(url, name, callback) {
if (running)
return; //Prevent multiple runs.
running = true;
user = null;
deadFrames = 0;
//Socket connection.
io.j = [];
io.sockets = [];
socket = io(url, {
'forceNew': true,
upgrade: false,
transports: ['websocket']
});
socket.on('connect', function(){
console.info('Connected to server.');
});
socket.on('game', function(data) {
if (timeout != undefined)
clearTimeout(timeout);
//Initialize game.
//TODO: display data.gameid --- game id #
frame = data.frame;
reset();
//Load players.
data.players.forEach(function(p) {
var pl = new Player(grid, p);
addPlayer(pl);
});
user = allPlayers[data.num];
if (!user)
throw new Error();
setUser(user);
//Load grid.
var gridData = new Uint8Array(data.grid);
for (var r = 0; r < grid.size; r++)
for (var c = 0; c < grid.size; c++)
{
var ind = gridData[r * grid.size + c] - 1;
grid.set(r, c, ind === -1 ? null : players[ind]);
}
invokeRenderer('paint', []);
frame = data.frame;
if (requesting !== -1)
{
//Update those cache frames after we updated game.
var minFrame = requesting;
requesting = -1;
while (frameCache.length > frame - minFrame)
processFrame(frameCache[frame - minFrame]);
frameCache = [];
}
});
socket.on('notifyFrame', processFrame);
socket.on('dead', function() {
socket.disconnect(); //In case we didn't get the disconnect call.
});
socket.on('disconnect', function(){
if (!user)
return;
console.info('Server has disconnected. Creating new game.');
socket.disconnect();
user.die();
dirty = true;
paintLoop();
running = false;
invokeRenderer('disconnect', []);
});
socket.emit('hello', {
name: name,
type: 0, //Free-for-all
gameid: -1 //Requested game-id, or -1 for anyone.
}, function(success, msg) {
if (success)
console.info('Connected to game!');
else {
console.error('Unable to connect to game: ' + msg);
running = false;
}
if (callback)
callback(success, msg);
});
if (running) return; //Prevent multiple runs
running = true;
user = null;
deadFrames = 0;
//Socket connection
io.j = [];
io.sockets = [];
socket = io(url, {
"forceNew": true,
upgrade: false,
transports: ["websocket"]
});
socket.on("connect", function() {
console.info("Connected to server.");
});
socket.on("game", function(data) {
if (timeout != undefined) clearTimeout(timeout);
//Initialize game.
//TODO: display data.gameid --- game id #
frame = data.frame;
reset();
//Load players.
data.players.forEach(function(p) {
var pl = new Player(grid, p);
addPlayer(pl);
});
user = allPlayers[data.num];
if (!user) throw new Error();
setUser(user);
//Load grid.
var gridData = new Uint8Array(data.grid);
for (var r = 0; r < grid.size; r++) {
for (var c = 0; c < grid.size; c++) {
var ind = gridData[r * grid.size + c] - 1;
grid.set(r, c, ind === -1 ? null : players[ind]);
}
}
invokeRenderer("paint", []);
frame = data.frame;
if (requesting !== -1) {
//Update those cache frames after we updated game.
var minFrame = requesting;
requesting = -1;
while (frameCache.length > frame - minFrame) processFrame(frameCache[frame - minFrame]);
frameCache = [];
}
});
socket.on("notifyFrame", processFrame);
socket.on("dead", function() {
socket.disconnect(); //In case we didn"t get the disconnect call
});
socket.on("disconnect", function() {
if (!user) return;
console.info("Server has disconnected. Creating new game.");
socket.disconnect();
user.die();
dirty = true;
paintLoop();
running = false;
invokeRenderer("disconnect", []);
});
socket.emit("hello", {
name: name,
type: 0, //Free-for-all
gameid: -1 //Requested game-id, or -1 for anyone
}, function(success, msg) {
if (success) console.info("Connected to game!");
else {
console.error("Unable to connect to game: " + msg);
running = false;
}
if (callback) callback(success, msg);
});
}
function changeHeading(newHeading) {
if (!user || user.dead)
return;
if (newHeading === user.currentHeading || ((newHeading % 2 === 0) ^
(user.currentHeading % 2 === 0)))
{
//user.heading = newHeading;
if (socket) {
socket.emit('frame', {
frame: frame,
heading: newHeading
}, function(success, msg) {
if (!success)
console.error(msg);
});
}
}
if (!user || user.dead) return;
if (newHeading === user.currentHeading || ((newHeading % 2 === 0) ^ (user.currentHeading % 2 === 0))) {
//user.heading = newHeading;
if (socket) {
socket.emit("frame", {
frame: frame,
heading: newHeading
}, function(success, msg) {
if (!success) console.error(msg);
});
}
}
}
function getUser() {
return user;
return user;
}
function getOthers() {
var ret = [];
for (var p of players) {
if (p !== user) {
ret.push(p);
}
}
return ret;
var ret = [];
for (var p of players) {
if (p !== user) ret.push(p);
}
return ret;
}
function getPlayers() {
return players.slice();
return players.slice();
}
//Private API
function addPlayer(player) {
if (allPlayers[player.num])
return; //Already added.
allPlayers[player.num] = players[players.length] = player;
invokeRenderer('addPlayer', [player]);
return players.length - 1;
if (allPlayers[player.num]) return; //Already added
allPlayers[player.num] = players[players.length] = player;
invokeRenderer("addPlayer", [player]);
return players.length - 1;
}
function invokeRenderer(name, args) {
var renderer = exports.renderer;
if (renderer && typeof renderer[name] === 'function')
renderer[name].apply(exports, args);
var renderer = exports.renderer;
if (renderer && typeof renderer[name] === "function") renderer[name].apply(exports, args);
}
function processFrame(data)
{
if (timeout != undefined)
clearTimeout(timeout);
if (requesting !== -1 && requesting < data.frame)
{
frameCache.push(data);
return;
}
if (data.frame - 1 !== frame)
{
console.error('Frames don\'t match up!');
socket.emit('requestFrame'); //Restore data.
requesting = data.frame;
frameCache.push(data);
return;
}
frame++;
if (data.newPlayers)
{
data.newPlayers.forEach(function(p) {
if (p.num === user.num)
return;
var pl = new Player(grid, p);
addPlayer(pl);
core.initPlayer(grid, pl);
});
}
var found = new Array(players.length);
data.moves.forEach(function(val, i) {
var player = allPlayers[val.num];
if (!player) return;
if (val.left) player.die();
found[i] = true;
player.heading = val.heading;
});
for (var i = 0; i < players.length; i++)
{
//Implicitly leaving game.
if (!found[i])
{
var player = players[i];
player && player.die();
}
}
update();
var locs = {};
for (var i = 0; i < players.length; i++)
{
var p = players[i];
locs[p.num] = [p.posX, p.posY, p.waitLag];
}
/*
socket.emit('verify', {
frame: frame,
locs: locs
}, function(frame, success, adviceFix, msg) {
if (!success && requesting === -1)
{
console.error(frame + ': ' + msg);
if (adviceFix)
socket.emit('requestFrame');
}
}.bind(this, frame));
*/
dirty = true;
requestAnimationFrame(function() {
paintLoop();
});
timeout = setTimeout(function() {
console.warn('Server has timed-out. Disconnecting.');
socket.disconnect();
}, 3000);
function processFrame(data) {
if (timeout != undefined) clearTimeout(timeout);
if (requesting !== -1 && requesting < data.frame) {
frameCache.push(data);
return;
}
if (data.frame - 1 !== frame) {
console.error("Frames don\"t match up!");
socket.emit("requestFrame"); //Restore data
requesting = data.frame;
frameCache.push(data);
return;
}
frame++;
if (data.newPlayers) {
data.newPlayers.forEach(function(p) {
if (p.num === user.num) return;
var pl = new Player(grid, p);
addPlayer(pl);
core.initPlayer(grid, pl);
});
}
var found = new Array(players.length);
data.moves.forEach(function(val, i) {
var player = allPlayers[val.num];
if (!player) return;
if (val.left) player.die();
found[i] = true;
player.heading = val.heading;
});
for (var i = 0; i < players.length; i++) {
//Implicitly leaving game
if (!found[i]) {
var player = players[i];
player && player.die();
}
}
update();
var locs = {};
for (var i = 0; i < players.length; i++) {
var p = players[i];
locs[p.num] = [p.posX, p.posY, p.waitLag];
}
/*
socket.emit("verify", {
frame: frame,
locs: locs
}, function(frame, success, adviceFix, msg) {
if (!success && requesting === -1) {
console.error(frame + ": " + msg);
if (adviceFix) socket.emit("requestFrame");
}
}.bind(this, frame));
*/
dirty = true;
mimiRequestAnimationFrame(function() {
paintLoop();
});
timeout = setTimeout(function() {
console.warn("Server has timed-out. Disconnecting.");
socket.disconnect();
}, 3000);
}
function paintLoop()
{
if (!dirty)
return;
invokeRenderer('paint', []);
dirty = false;
if (user && user.dead)
{
if (timeout)
clearTimeout(timeout);
if (deadFrames === 60) //One second of frame
{
var before =allowAnimation;
allowAnimation = false;
update();
invokeRenderer('paint', []);
allowAnimation = before;
user = null;
deadFrames = 0;
return;
}
socket.disconnect();
deadFrames++;
dirty = true;
update();
requestAnimationFrame(paintLoop);
}
function paintLoop() {
if (!dirty) return;
invokeRenderer("paint", []);
dirty = false;
if (user && user.dead) {
if (timeout) clearTimeout(timeout);
if (deadFrames === 60) { //One second of frame
var before = allowAnimation;
allowAnimation = false;
update();
invokeRenderer("paint", []);
allowAnimation = before;
user = null;
deadFrames = 0;
return;
}
socket.disconnect();
deadFrames++;
dirty = true;
update();
mimiRequestAnimationFrame(paintLoop);
}
}
function reset() {
user = null;
grid.reset();
players = [];
allPlayers = [];
kills = 0;
invokeRenderer('reset');
user = null;
grid.reset();
players = [];
allPlayers = [];
kills = 0;
invokeRenderer("reset");
}
function setUser(player) {
user = player;
invokeRenderer('setUser', [player]);
user = player;
invokeRenderer("setUser", [player]);
}
function update() {
var dead = [];
core.updateFrame(grid, players, dead, function addKill(killer, other)
{
if (players[killer] === user && killer !== other)
kills++;
});
dead.forEach(function(val) {
console.log((val.name || 'Unnamed') + ' is dead');
delete allPlayers[val.num];
invokeRenderer('removePlayer', [val]);
});
invokeRenderer('update', [frame]);
var dead = [];
core.updateFrame(grid, players, dead, function addKill(killer, other) {
if (players[killer] === user && killer !== other) kills++;
});
dead.forEach(function(val) {
console.log((val.name || "Unnamed") + " is dead");
delete allPlayers[val.num];
invokeRenderer("removePlayer", [val]);
});
invokeRenderer("update", [frame]);
}
//Export stuff
var funcs = [connectGame, changeHeading, getOthers, getPlayers, getUser];
funcs.forEach(function (f) {
exports[f.name] = f;
funcs.forEach(function(f) {
exports[f.name] = f;
});
exports.renderer = null;
Object.defineProperties(exports, {
allowAnimation: {
get: function() { return allowAnimation; },
set: function(val) { allowAnimation = !!val; },
enumerable: true
},
grid: {
get: function() { return grid; },
enumerable: true
},
kills: {
get: function() { return kills; },
enumerable: true
}
allowAnimation: {
get: function() {
return allowAnimation;
},
set: function(val) {
allowAnimation = !!val;
},
enumerable: true
},
grid: {
get: function() {
return grid;
},
enumerable: true
},
kills: {
get: function() {
return kills;
},
enumerable: true
}
});

173
game-client.js
View File

@ -1,128 +1,77 @@
/* global $ */
var client = require("./client");
var core = require("./game-core");
var io = require('socket.io-client');
var io = require("socket.io-client");
var GRID_SIZE = core.GRID_SIZE;
var CELL_WIDTH = core.CELL_WIDTH;
client.allowAnimation = true;
client.renderer = require("./client-modes/user-mode");
/**
* Provides requestAnimationFrame in a cross browser way. (edited so that this is also compatible with node.)
* @author paulirish / http://paulirish.com/
*/
// window.requestAnimationFrame = function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
// window.setTimeout( callback, 1000 / 60 );
// };
var hasWindow;
try {
window.document;
hasWindow = true;
} catch (e) {
hasWindow = false;
}
var requestAnimationFrame;
if ( !requestAnimationFrame ) {
requestAnimationFrame = ( function() {
if (hasWindow) {
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
setTimeout( callback, 1000 / 60 );
};
} else {
return function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
setTimeout( callback, 1000 / 60 );
};
}
})();
}
var mimiRequestAnimationFrame = window && window.document
? window.requestAnimationFrame
|| window.webkitRequestAnimationFrame
|| window.mozRequestAnimationFrame
|| window.oRequestAnimationFrame
|| window.msRequestAnimationFrame
|| function(callback) { window.setTimeout(callback, 1000 / 30) }
: function(callback) { window.setTimeout(callback, 1000 / 30) };
function run() {
client.connectGame('//' + window.location.hostname + ':8081', $('#name').val(), function(success, msg) {
if (success)
{
$("#begin").addClass("hidden");
$("#begin").animate({
opacity: 0
}, 1000);
}
else
{
var error = $("#error");
error.text(msg);
}
});
client.connectGame("//" + window.location.hostname + ":8081", $("#name").val(), function(success, msg) {
if (success) {
$("#begin").fadeOut(1000);
$("#main-ui").fadeIn(1000);
}
else {
var error = $("#error");
error.text(msg);
}
});
}
$(function() {
var error = $("#error");
if (!window.WebSocket)
{
error.text("Your browser does not support WebSockets!");
return;
}
error.text("Loading..."); //TODO: show loading screen.
var success = false;
var socket = io('http://' + window.location.hostname + ':8081', {
'forceNew': true,
upgrade: false,
transports: ['websocket']
});
socket.on('connect_error', function() {
if (!success)
error.text("Cannot connect with server. This probably is due to misconfigured proxy server. (Try using a different browser)");
});
socket.emit("checkConn", function() {
success = true;
socket.disconnect();
});
setTimeout(function() {
if (!success)
error.text("Cannot connect with server. This probably is due to misconfigured proxy server. (Try using a different browser)");
else
{
error.text("");
$("input").keypress(function(evt) {
if (evt.which === 13)
requestAnimationFrame(run);
});
$("button").click(function(evt) {
requestAnimationFrame(run);
});
}
}, 2000);
var error = $("#error");
if (!window.WebSocket) {
error.text("Your browser does not support WebSockets!");
return;
}
error.text("Loading... Please wait"); //TODO: show loading screen.
var socket = io("//" + window.location.hostname + ":8081", {
forceNew: true,
upgrade: false,
transports: ["websocket"]
});
socket.on("connect", function() {
socket.emit("pings");
});
socket.on("pongs", function() {
socket.disconnect();
error.text("All done, have fun!");
$("#name").keypress(function(evt) {
if (evt.which === 13) mimiRequestAnimationFrame(run);
});
$("#start").removeAttr("disabled").click(function(evt) {
mimiRequestAnimationFrame(run);
});
});
socket.on("connect_error", function() {
error.text("Cannot connect with server. This probably is due to misconfigured proxy server. (Try using a different browser)");
});
});
//Event listeners
$(document).keydown(function(e) {
var newHeading = -1;
switch (e.which)
{
case 37: newHeading = 3; break; //LEFT
case 65: newHeading = 3; break; //LEFT (A)
case 38: newHeading = 0; break; //UP
case 87: newHeading = 0; break; //UP (W)
case 39: newHeading = 1; break; //RIGHT
case 68: newHeading = 1; break; //RIGHT (D)
case 40: newHeading = 2; break; //DOWN
case 83: newHeading = 2; break; //DOWN (S)
default: return; //exit handler for other keys.
}
client.changeHeading(newHeading);
e.preventDefault();
var newHeading = -1;
switch (e.which) {
case 37: newHeading = 3; break; //LEFT
case 65: newHeading = 3; break; //LEFT (A)
case 38: newHeading = 0; break; //UP
case 87: newHeading = 0; break; //UP (W)
case 39: newHeading = 1; break; //RIGHT
case 68: newHeading = 1; break; //RIGHT (D)
case 40: newHeading = 2; break; //DOWN
case 83: newHeading = 2; break; //DOWN (S)
default: return; //exit handler for other keys.
}
client.changeHeading(newHeading);
e.preventDefault();
});

160
game-core/color.js
View File

@ -1,100 +1,88 @@
function Color(h, s, l, a)
{
verifyRange(h, s, l);
if (a === undefined) a = 1;
else verifyRange(a);
Object.defineProperties(this, {
"hue": {value: h, enumerable: true},
"sat": {value: s, enumerable: true},
"lum": {value: l, enumerable: true},
"alpha": {value: a, enumerable: true},
});
function Color(h, s, l, a) {
verifyRange(h, s, l);
if (a === undefined) a = 1;
else verifyRange(a);
Object.defineProperties(this, {
"hue": {
value: h,
enumerable: true
},
"sat": {
value: s,
enumerable: true
},
"lum": {
value: l,
enumerable: true
},
"alpha": {
value: a,
enumerable: true
},
});
}
Color.fromData = function(data) {
return new Color(data.hue, data.sat, data.lum, data.alpha);
return new Color(data.hue, data.sat, data.lum, data.alpha);
};
function verifyRange()
{
for (var i = 0; i < arguments.length; i++)
{
if (arguments[i] < 0 || arguments[i] > 1)
throw new RangeError("H, S, L, and A parameters must be between the range [0, 1]");
}
function verifyRange() {
for (var i = 0; i < arguments.length; i++) {
if (arguments[i] < 0 || arguments[i] > 1) throw new RangeError("H, S, L, and A parameters must be between the range [0, 1]");
}
}
Color.prototype.interpolateToString = function(color, amount)
{
var rgbThis = hslToRgb(this.hue, this.sat, this.lum);
var rgbThat = hslToRgb(color.hue, color.sat, color.lum);
var rgb = [];
for (var i = 0; i < 3; i++)
rgb[i] = Math.floor((rgbThat[i] - rgbThis[i]) * amount + rgbThis[i]);
return {rgbString: function() {return 'rgb(' + rgb[0] + ', ' + rgb[1] + ', ' + rgb[2] + ')'}};
Color.prototype.interpolateToString = function(color, amount) {
var rgbThis = hslToRgb(this.hue, this.sat, this.lum);
var rgbThat = hslToRgb(color.hue, color.sat, color.lum);
var rgb = [];
for (var i = 0; i < 3; i++) rgb[i] = Math.floor((rgbThat[i] - rgbThis[i]) * amount + rgbThis[i]);
return {
rgbString: function() {
return `rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`
}
};
}
Color.prototype.deriveLumination = function(amount)
{
var lum = this.lum + amount;
lum = Math.min(Math.max(lum, 0), 1);
return new Color(this.hue, this.sat, lum, this.alpha);
Color.prototype.deriveLumination = function(amount) {
var lum = this.lum + amount;
lum = Math.min(Math.max(lum, 0), 1);
return new Color(this.hue, this.sat, lum, this.alpha);
};
Color.prototype.deriveHue = function(amount)
{
var hue = this.hue - amount;
return new Color(hue - Math.floor(hue), this.sat, this.lum, this.alpha);
Color.prototype.deriveHue = function(amount) {
var hue = this.hue - amount;
return new Color(hue - Math.floor(hue), this.sat, this.lum, this.alpha);
};
Color.prototype.deriveSaturation = function(amount)
{
var sat = this.sat + amount;
sat = Math.min(Math.max(sat, 0), 1);
return new Color(this.hue, sat, this.lum, this.alpha);
Color.prototype.deriveSaturation = function(amount) {
var sat = this.sat + amount;
sat = Math.min(Math.max(sat, 0), 1);
return new Color(this.hue, sat, this.lum, this.alpha);
};
Color.prototype.deriveAlpha = function(newAlpha)
{
verifyRange(newAlpha);
return new Color(this.hue, this.sat, this.lum, newAlpha);
Color.prototype.deriveAlpha = function(newAlpha) {
verifyRange(newAlpha);
return new Color(this.hue, this.sat, this.lum, newAlpha);
};
Color.prototype.rgbString = function() {
var rgb = hslToRgb(this.hue, this.sat, this.lum);
rgb[3] = this.a;
return 'rgba(' + rgb[0] + ', ' + rgb[1] + ', ' + rgb[2] + ', ' + this.alpha + ')';
var rgb = hslToRgb(this.hue, this.sat, this.lum);
rgb[3] = this.a;
return `rgba(${rgb[0]}, ${rgb[1]}, ${rgb[2]}, ${this.alpha})`;
};
//http://stackoverflow.com/a/9493060/7344257
function hslToRgb(h, s, l){
var r, g, b;
if(s == 0){
r = g = b = l; // achromatic
}else{
var hue2rgb = function hue2rgb(p, q, t){
if(t < 0) t += 1;
if(t > 1) t -= 1;
if(t < 1/6) return p + (q - p) * 6 * t;
if(t < 1/2) return q;
if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
return p;
};
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
var p = 2 * l - q;
r = hue2rgb(p, q, h + 1/3);
g = hue2rgb(p, q, h);
b = hue2rgb(p, q, h - 1/3);
}
return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
function hslToRgb(h, s, l) {
var r, g, b;
if (s == 0) r = g = b = l; // achromatic
else {
var hue2rgb = function hue2rgb(p, q, t) {
if (t < 0) t += 1;
if (t > 1) t -= 1;
if (t < 1 / 6) return p + (q - p) * 6 * t;
if (t < 1 / 2) return q;
if (t < 2 / 3) return p + (q - p) * (2 / 3 - t) * 6;
return p;
};
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
var p = 2 * l - q;
r = hue2rgb(p, q, h + 1 / 3);
g = hue2rgb(p, q, h);
b = hue2rgb(p, q, h - 1 / 3);
}
return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
}
module.exports = Color;
module.exports = Color;

18
game-core/game-consts.js
View File

@ -1,16 +1,16 @@
function constant(val) {
return {
value: val,
enumerable: true
};
return {
value: val,
enumerable: true
};
}
var consts = {
GRID_SIZE: constant(80),
CELL_WIDTH: constant(40),
SPEED: constant(5),
BORDER_WIDTH: constant(20),
MAX_PLAYERS: constant(81)
GRID_SIZE: constant(80),
CELL_WIDTH: constant(40),
SPEED: constant(5),
BORDER_WIDTH: constant(20),
MAX_PLAYERS: constant(81)
};
Object.defineProperties(module.exports, consts);

226
game-core/game-core.js
View File

@ -1,135 +1,107 @@
var ANIMATE_FRAMES = 24;
var CELL_WIDTH = 40;
//TODO: remove constants.
exports.initPlayer = function(grid, player)
{
for (var dr = -1; dr <= 1; dr++)
for (var dc = -1; dc <= 1; dc++)
if (!grid.isOutOfBounds(dr + player.row, dc + player.col))
grid.set(dr + player.row, dc + player.col, player);
//TODO: remove constants
exports.initPlayer = function(grid, player) {
for (var dr = -1; dr <= 1; dr++) {
for (var dc = -1; dc <= 1; dc++) {
if (!grid.isOutOfBounds(dr + player.row, dc + player.col)) grid.set(dr + player.row, dc + player.col, player);
}
}
};
exports.updateFrame = function(grid, players, dead, notifyKill)
{
var adead = [];
if (dead instanceof Array)
adead = dead;
var kill;
if (!notifyKill)
kill = function() {};
else
kill = function(killer, other) {if (!removing[other]) notifyKill(killer, other);};
//Move players.
var tmp = players.filter(function(val) {
val.move();
if (val.dead)
adead.push(val);
return !val.dead;
});
//Remove players with collisions.
var removing = new Array(players.length);
for (var i = 0; i < players.length; i++)
{
for (var j = i; j < players.length; j++)
{
//Remove those players when other players have hit their tail.
if (!removing[j] && players[j].tail.hitsTail(players[i]))
{
kill(i, j);
removing[j] = true;
//console.log("TAIL");
}
if (!removing[i] && players[i].tail.hitsTail(players[j]))
{
kill(j, i);
removing[i] = true;
//console.log("TAIL");
}
//Remove players with collisons...
if (i !== j && squaresIntersect(players[i].posX, players[j].posX) &&
squaresIntersect(players[i].posY, players[j].posY))
{
//...if one player is own his own territory, the other is out.
if (grid.get(players[i].row, players[i].col) === players[i])
{
kill(i, j);
removing[j] = true;
}
else if (grid.get(players[j].row, players[j].col) === players[j])
{
kill(j, i);
removing[i] = true;
}
else
{
//...otherwise, the one that sustains most of the collision will be removed.
var areaI = area(players[i]);
var areaJ = area(players[j]);
if (areaI === areaJ)
{
kill(i, j);
kill(j, i);
removing[i] = removing[j] = true;
}
else if (areaI > areaJ)
{
kill(j, i);
removing[i] = true;
}
else
{
kill(i, j);
removing[j] = true;
}
}
}
}
}
tmp = tmp.filter(function(val, i) {
if (removing[i])
{
adead.push(val);
val.die();
}
return !removing[i];
});
players.length = tmp.length;
for (var i = 0; i < tmp.length; i++)
players[i] = tmp[i];
//Remove dead squares.
for (var r = 0; r < grid.size; r++)
{
for (var c = 0; c < grid.size; c++)
{
if (adead.indexOf(grid.get(r, c)) !== -1)
grid.set(r, c, null);
}
}
exports.updateFrame = function(grid, players, dead, notifyKill) {
var adead = [];
if (dead instanceof Array) adead = dead;
var kill = (!notifyKill) ? function() {} : function(killer, other) {
if (!removing[other]) notifyKill(killer, other);
};
//Move players
var tmp = players.filter(function(val) {
val.move();
if (val.dead) adead.push(val);
return !val.dead;
});
//Remove players with collisions
var removing = new Array(players.length);
for (var i = 0; i < players.length; i++) {
for (var j = i; j < players.length; j++) {
//Remove those players when other players have hit their tail
if (!removing[j] && players[j].tail.hitsTail(players[i])) {
kill(i, j);
removing[j] = true;
//console.log("TAIL");
}
if (!removing[i] && players[i].tail.hitsTail(players[j])) {
kill(j, i);
removing[i] = true;
//console.log("TAIL");
}
//Remove players with collisons...
if (i !== j && squaresIntersect(players[i].posX, players[j].posX) &&
squaresIntersect(players[i].posY, players[j].posY)) {
//...if one player is own his own territory, the other is out
if (grid.get(players[i].row, players[i].col) === players[i]) {
kill(i, j);
removing[j] = true;
}
else if (grid.get(players[j].row, players[j].col) === players[j]) {
kill(j, i);
removing[i] = true;
}
else {
//...otherwise, the one that sustains most of the collision will be removed
var areaI = area(players[i]);
var areaJ = area(players[j]);
if (areaI === areaJ) {
kill(i, j);
kill(j, i);
removing[i] = removing[j] = true;
}
else if (areaI > areaJ) {
kill(j, i);
removing[i] = true;
}
else {
kill(i, j);
removing[j] = true;
}
}
}
}
}
tmp = tmp.filter(function(val, i) {
if (removing[i]) {
adead.push(val);
val.die();
}
return !removing[i];
});
players.length = tmp.length;
for (var i = 0; i < tmp.length; i++) {
players[i] = tmp[i];
}
//Remove dead squares
for (var r = 0; r < grid.size; r++) {
for (var c = 0; c < grid.size; c++) {
if (adead.indexOf(grid.get(r, c)) !== -1) grid.set(r, c, null);
}
}
};
function squaresIntersect(a, b)
{
if (a < b)
return b < a + CELL_WIDTH;
else
return a < b + CELL_WIDTH;
function squaresIntersect(a, b) {
return (a < b) ? (b < a + CELL_WIDTH) : (a < b + CELL_WIDTH);
}
function area(player)
{
var xDest = player.col * CELL_WIDTH;
var yDest = player.row * CELL_WIDTH;
if (player.posX === xDest)
return Math.abs(player.posY - yDest);
else
return Math.abs(player.posX - xDest);
}
function area(player) {
var xDest = player.col * CELL_WIDTH;
var yDest = player.row * CELL_WIDTH;
return (player.posX === xDest) ? Math.abs(player.posY - yDest) : Math.abs(player.posX - xDest);
}

90
game-core/grid.js
View File

@ -1,56 +1,42 @@
function Grid(size, changeCallback)
{
var grid = new Array(size);
var modified = false;
var data = {
grid: grid,
size: size
};
this.get = function(row, col)
{
if (isOutOfBounds(data, row, col))
throw new RangeError("Row or Column value out of bounds");
return grid[row] && grid[row][col];
}
this.set = function(row, col, value)
{
if (isOutOfBounds(data, row, col))
throw new RangeError("Row or Column value out of bounds");
if (!grid[row])
grid[row] = new Array(size);
var before = grid[row][col];
grid[row][col] = value;
if (typeof changeCallback === "function")
changeCallback(row, col, before, value);
modified = true;
return before;
}
this.reset = function() {
if (modified)
{
grid = new Array(size);
modified = false;
}
}
this.isOutOfBounds = isOutOfBounds.bind(this, data);
Object.defineProperty(this, "size", {
get: function() {return size; },
enumerable: true
});
function Grid(size, changeCallback) {
var grid = new Array(size);
var modified = false;
var data = {
grid: grid,
size: size
};
this.get = function(row, col) {
if (isOutOfBounds(data, row, col)) throw new RangeError("Row or Column value out of bounds");
return grid[row] && grid[row][col];
}
this.set = function(row, col, value) {
if (isOutOfBounds(data, row, col)) throw new RangeError("Row or Column value out of bounds");
if (!grid[row]) grid[row] = new Array(size);
var before = grid[row][col];
grid[row][col] = value;
if (typeof changeCallback === "function") changeCallback(row, col, before, value);
modified = true;
return before;
}
this.reset = function() {
if (modified) {
grid = new Array(size);
modified = false;
}
}
this.isOutOfBounds = isOutOfBounds.bind(this, data);
Object.defineProperty(this, "size", {
get: function() {
return size;
},
enumerable: true
});
}
function isOutOfBounds(data, row, col)
{
return row < 0 || row >= data.size || col < 0 || col >= data.size;
function isOutOfBounds(data, row, col) {
return row < 0 || row >= data.size || col < 0 || col >= data.size;
}
module.exports = Grid;
module.exports = Grid;

19
game-core/index.js
View File

@ -1,17 +1,16 @@
var core = require('./game-core');
var consts = require('./game-consts');
var core = require("./game-core");
var consts = require("./game-consts");
exports.Color = require('./color');
exports.Grid = require('./grid');
exports.Player = require('./player');
exports.Color = require("./color");
exports.Grid = require("./grid");
exports.Player = require("./player");
exports.initPlayer = core.initPlayer;
exports.updateFrame = core.updateFrame;
for (var prop in consts) {
Object.defineProperty(exports, prop, {
enumerable: true,
value: consts[prop]
});
Object.defineProperty(exports, prop, {
enumerable: true,
value: consts[prop]
});
}

820
game-core/player.js
View File

@ -5,499 +5,445 @@ var consts = require("./game-consts.js");
var GRID_SIZE = consts.GRID_SIZE;
var CELL_WIDTH = consts.CELL_WIDTH;
var NEW_PLAYER_LAG = 60; //wait for a second at least.
var NEW_PLAYER_LAG = 60; //Wait for a second at least
function defineGetter(getter) {
return {
get: getter,
enumerable: true
};
return {
get: getter,
enumerable: true
};
}
function defineInstanceMethods(thisobj, data /*, methods...*/)
{
for (var i = 2; i < arguments.length; i++)
thisobj[arguments[i].name] = arguments[i].bind(this, data);
function defineInstanceMethods(thisobj, data /*, methods...*/) {
for (var i = 2; i < arguments.length; i++) {
thisobj[arguments[i].name] = arguments[i].bind(this, data);
}
}
function defineAccessorProperties(thisobj, data /*, names...*/)
{
var descript = {};
function getAt(name) { return function() {return data[name] } }
for (var i = 2; i < arguments.length; i++)
descript[arguments[i]] = defineGetter(getAt(arguments[i]));
Object.defineProperties(thisobj, descript);
function defineAccessorProperties(thisobj, data /*, names...*/) {
var descript = {};
function getAt(name) {
return function() {
return data[name];
}
}
for (var i = 2; i < arguments.length; i++) {
descript[arguments[i]] = defineGetter(getAt(arguments[i]));
}
Object.defineProperties(thisobj, descript);
}
function TailMove(orientation)
{
this.move = 1;
Object.defineProperty(this, "orientation", {
value: orientation,
enumerable: true
});
function TailMove(orientation) {
this.move = 1;
Object.defineProperty(this, "orientation", {
value: orientation,
enumerable: true
});
}
function Tail(player, sdata)
{
var data = {
tail: [],
tailGrid: [],
prev: null,
startRow: 0,
startCol: 0,
prevRow: 0,
prevCol: 0,
player: player
};
if (sdata)
{
data.startRow = data.prevRow = sdata.startRow || 0;
data.startCol = data.prevCol = sdata.startCol || 0;
sdata.tail.forEach(function(val) {
addTail(data, val.orientation, val.move);
});
}
data.grid = player.grid;
defineInstanceMethods(this, data, addTail, hitsTail, fillTail, renderTail, reposition, serialData);
Object.defineProperty(this, "moves", {
get: function() {return data.tail.slice(0);},
enumerable: true
});
function Tail(player, sdata) {
var data = {
tail: [],
tailGrid: [],
prev: null,
startRow: 0,
startCol: 0,
prevRow: 0,
prevCol: 0,
player: player
};
if (sdata) {
data.startRow = data.prevRow = sdata.startRow || 0;
data.startCol = data.prevCol = sdata.startCol || 0;
sdata.tail.forEach(function(val) {
addTail(data, val.orientation, val.move);
});
}
data.grid = player.grid;
defineInstanceMethods(this, data, addTail, hitsTail, fillTail, renderTail, reposition, serialData);
Object.defineProperty(this, "moves", {
get: function() {
return data.tail.slice(0);
},
enumerable: true
});
}
//Instance methods.
//Instance methods
function serialData(data) {
return {
tail: data.tail,
startRow: data.startRow,
startCol: data.startCol
};
return {
tail: data.tail,
startRow: data.startRow,
startCol: data.startCol
};
}
function setTailGrid(data, tailGrid, r, c)
{
if (!tailGrid[r])
tailGrid[r] = [];
tailGrid[r][c] = true;
function setTailGrid(data, tailGrid, r, c) {
if (!tailGrid[r]) tailGrid[r] = [];
tailGrid[r][c] = true;
}
function addTail(data, orientation, count)
{
if (count === undefined)
count = 1;
if (!count || count < 0)
return;
var prev = data.prev;
var r = data.prevRow, c = data.prevCol;
if (data.tail.length === 0)
setTailGrid(data, data.tailGrid, r, c);
if (!prev || prev.orientation !== orientation)
{
prev = data.prev = new TailMove(orientation);
data.tail.push(prev);
prev.move += count - 1;
}
else
prev.move += count;
function addTail(data, orientation, count) {
if (count === undefined) count = 1;
if (!count || count < 0) return;
for (var i = 0; i < count; i++)
{
var pos = walk([data.prevRow, data.prevCol], null, orientation, 1);
data.prevRow = pos[0];
data.prevCol = pos[1];
setTailGrid(data, data.tailGrid, pos[0], pos[1]);
}
var prev = data.prev;
var r = data.prevRow, c = data.prevCol;
if (data.tail.length === 0) setTailGrid(data, data.tailGrid, r, c);
if (!prev || prev.orientation !== orientation) {
prev = data.prev = new TailMove(orientation);
data.tail.push(prev);
prev.move += count - 1;
}
else prev.move += count;
for (var i = 0; i < count; i++) {
var pos = walk([data.prevRow, data.prevCol], null, orientation, 1);
data.prevRow = pos[0];
data.prevCol = pos[1];
setTailGrid(data, data.tailGrid, pos[0], pos[1]);
}
}
function reposition(data, row, col)
{
data.prevRow = data.startRow = row;
data.prevCol = data.startCol = col;
data.prev = null;
if (data.tail.length === 0)
return;
else
{
var ret = data.tail;
data.tail = [];
data.tailGrid = [];
return ret;
}
function reposition(data, row, col) {
data.prevRow = data.startRow = row;
data.prevCol = data.startCol = col;
data.prev = null;
if (data.tail.length === 0) return;
else {
var ret = data.tail;
data.tail = [];
data.tailGrid = [];
return ret;
}
}
/*
function render2(data, ctx)
{
ctx.fillStyle = data.player.tailColor.rgbString();
for (var r = 0; r < data.tailGrid.length; r++)
{
if (!data.tailGrid[r])
continue;
for (var c = 0; c < data.tailGrid[r].length; c++)
if (data.tailGrid[r][c])
ctx.fillRect(c * CELL_WIDTH, r * CELL_WIDTH, CELL_WIDTH, CELL_WIDTH);
}
function render2(data, ctx) {
ctx.fillStyle = data.player.tailColor.rgbString();
for (var r = 0; r < data.tailGrid.length; r++) {
if (!data.tailGrid[r]) continue;
for (var c = 0; c < data.tailGrid[r].length; c++) {
if (data.tailGrid[r][c]) ctx.fillRect(c * CELL_WIDTH, r * CELL_WIDTH, CELL_WIDTH, CELL_WIDTH);
}
}
}
*/
//Helper methods.
function renderTail(data, ctx)
{
if (data.tail.length === 0)
return;
ctx.fillStyle = data.player.tailColor.rgbString();
var prevOrient = -1;
var start = [data.startRow, data.startCol];
//fillTailRect(ctx, start, start);
data.tail.forEach(function(tail) {
var negDir = tail.orientation === 0 || tail.orientation === 3;
//Helper methods
function renderTail(data, ctx) {
if (data.tail.length === 0) return;
var back = start;
if (!negDir)
start = walk(start, null, tail.orientation, 1);
var finish = walk(start, null, tail.orientation, tail.move - 1);
if (tail.move > 1)
fillTailRect(ctx, start, finish);
if (prevOrient !== -1)
//Draw folding triangle.
renderCorner(ctx, back, prevOrient, tail.orientation);
start = finish;
if (negDir)
walk(start, start, tail.orientation, 1);
prevOrient = tail.orientation;
});
var curOrient = data.player.currentHeading;
if (prevOrient === curOrient)
{
fillTailRect(ctx, start, start);
}
else
renderCorner(ctx, start, prevOrient, curOrient);
ctx.fillStyle = data.player.tailColor.rgbString();
var prevOrient = -1;
var start = [data.startRow, data.startCol];
//fillTailRect(ctx, start, start);
data.tail.forEach(function(tail) {
var negDir = tail.orientation === 0 || tail.orientation === 3;
var back = start;
if (!negDir) start = walk(start, null, tail.orientation, 1);
var finish = walk(start, null, tail.orientation, tail.move - 1);
if (tail.move > 1) fillTailRect(ctx, start, finish);
if (prevOrient !== -1) renderCorner(ctx, back, prevOrient, tail.orientation);
//Draw folding triangle.
start = finish;
if (negDir) walk(start, start, tail.orientation, 1);
prevOrient = tail.orientation;
});
var curOrient = data.player.currentHeading;
if (prevOrient === curOrient) fillTailRect(ctx, start, start);
else renderCorner(ctx, start, prevOrient, curOrient);
}
function renderCorner(ctx, cornerStart, dir1, dir2)
{
if (dir1 === 0 || dir2 === 0)
walk(cornerStart, cornerStart, 2, 1);
if (dir1 === 3 || dir2 === 3)
walk(cornerStart, cornerStart, 1, 1);
var a = walk(cornerStart, null, dir2, 1);
var b = walk(a, null, dir1, 1);
var triangle = new Path2D();
triangle.moveTo(cornerStart[1] * CELL_WIDTH, cornerStart[0] * CELL_WIDTH);
triangle.lineTo(a[1] * CELL_WIDTH, a[0] * CELL_WIDTH);
triangle.lineTo(b[1] * CELL_WIDTH, b[0] * CELL_WIDTH);
triangle.closePath();
for (var i = 0; i < 2; i++)
ctx.fill(triangle);
function renderCorner(ctx, cornerStart, dir1, dir2) {
if (dir1 === 0 || dir2 === 0) walk(cornerStart, cornerStart, 2, 1);
if (dir1 === 3 || dir2 === 3) walk(cornerStart, cornerStart, 1, 1);
var a = walk(cornerStart, null, dir2, 1);
var b = walk(a, null, dir1, 1);
var triangle = new Path2D();
triangle.moveTo(cornerStart[1] * CELL_WIDTH, cornerStart[0] * CELL_WIDTH);
triangle.lineTo(a[1] * CELL_WIDTH, a[0] * CELL_WIDTH);
triangle.lineTo(b[1] * CELL_WIDTH, b[0] * CELL_WIDTH);
triangle.closePath();
for (var i = 0; i < 2; i++) {
ctx.fill(triangle);
}
}
function walk(from, ret, orient, dist)
{
ret = ret || [];
ret[0] = from[0];
ret[1] = from[1];
switch (orient)
{
case 0: ret[0] -= dist; break; //UP
case 1: ret[1] += dist; break; //RIGHT
case 2: ret[0] += dist; break; //DOWN
case 3: ret[1] -= dist; break; //LEFT
}
return ret;
function walk(from, ret, orient, dist) {
ret = ret || [];
ret[0] = from[0];
ret[1] = from[1];
switch (orient) {
case 0: ret[0] -= dist; break; //UP
case 1: ret[1] += dist; break; //RIGHT
case 2: ret[0] += dist; break; //DOWN
case 3: ret[1] -= dist; break; //LEFT
}
return ret;
}
function fillTailRect(ctx, start, end)
{
var x = start[1] * CELL_WIDTH;
var y = start[0] * CELL_WIDTH;
var width = (end[1] - start[1]) * CELL_WIDTH;
var height = (end[0] - start[0]) * CELL_WIDTH;
if (width === 0)
width += CELL_WIDTH;
if (height === 0)
height += CELL_WIDTH;
if (width < 0)
{
x += width;
width = -width;
}
if (height < 0)
{
y += height;
height = -height;
}
ctx.fillRect(x, y, width, height);
function fillTailRect(ctx, start, end) {
var x = start[1] * CELL_WIDTH;
var y = start[0] * CELL_WIDTH;
var width = (end[1] - start[1]) * CELL_WIDTH;
var height = (end[0] - start[0]) * CELL_WIDTH;
if (width === 0) width += CELL_WIDTH;
if (height === 0) height += CELL_WIDTH;
if (width < 0) {
x += width;
width = -width;
}
if (height < 0) {
y += height;
height = -height;
}
ctx.fillRect(x, y, width, height);
}
function fillTail(data)
{
if (data.tail.length === 0)
return;
function onTail(c) { return data.tailGrid[c[0]] && data.tailGrid[c[0]][c[1]]; }
var grid = data.grid;
var start = [data.startRow, data.startCol];
var been = new Grid(grid.size);
var coords = [];
coords.push(start);
while (coords.length > 0) //BFS for all tail spaces.
{
var coord = coords.shift();
var r = coord[0];
var c = coord[1];
if (grid.isOutOfBounds(r, c))
continue;
if (been.get(r, c))
continue;
if (onTail(coord)) //on the tail.
{
been.set(r, c, true);
grid.set(r, c, data.player);
//Find all spots that this tail encloses.
floodFill(data, grid, r + 1, c, been);
floodFill(data, grid, r - 1, c, been);
floodFill(data, grid, r, c + 1, been);
floodFill(data, grid, r, c - 1, been);
coords.push([r + 1, c]);
coords.push([r - 1, c]);
coords.push([r, c + 1]);
coords.push([r, c - 1]);
}
}
function fillTail(data) {
if (data.tail.length === 0) return;
function onTail(c) {
return data.tailGrid[c[0]] && data.tailGrid[c[0]][c[1]];
}
var grid = data.grid;
var start = [data.startRow, data.startCol];
var been = new Grid(grid.size);
var coords = [];
coords.push(start);
while (coords.length > 0) { //BFS for all tail spaces
var coord = coords.shift();
var r = coord[0];
var c = coord[1];
if (grid.isOutOfBounds(r, c)) {
continue;
}
if (been.get(r, c)) {
continue;
}
if (onTail(coord)) {//On the tail
been.set(r, c, true);
grid.set(r, c, data.player);
//Find all spots that this tail encloses
floodFill(data, grid, r + 1, c, been);
floodFill(data, grid, r - 1, c, been);
floodFill(data, grid, r, c + 1, been);
floodFill(data, grid, r, c - 1, been);
coords.push([r + 1, c]);
coords.push([r - 1, c]);
coords.push([r, c + 1]);
coords.push([r, c - 1]);
}
}
}
function floodFill(data, grid, row, col, been)
{
function onTail(c) { return data.tailGrid[c[0]] && data.tailGrid[c[0]][c[1]]; }
var start = [row, col];
if (grid.isOutOfBounds(row, col) || been.get(row, col) || onTail(start) || grid.get(row, col) === data.player)
return; //Avoid allocating too many resources.
var coords = [];
var filled = new Stack(GRID_SIZE * GRID_SIZE + 1);
var surrounded = true;
coords.push(start);
while (coords.length > 0)
{
var coord = coords.shift();
var r = coord[0];
var c = coord[1];
if (grid.isOutOfBounds(r, c))
{
surrounded = false;
continue;
}
//End this traverse on boundaries (where we been, on the tail, and when we enter our territory)
if (been.get(r, c) || onTail(coord) || grid.get(r, c) === data.player)
continue;
been.set(r, c, true);
if (surrounded)
filled.push(coord);
coords.push([r + 1, c]);
coords.push([r - 1, c]);
coords.push([r, c + 1]);
coords.push([r, c - 1]);
}
if (surrounded)
{
while (!filled.isEmpty())
{
coord = filled.pop();
grid.set(coord[0], coord[1], data.player);
}
}
return surrounded;
function floodFill(data, grid, row, col, been) {
function onTail(c) {
return data.tailGrid[c[0]] && data.tailGrid[c[0]][c[1]];
}
var start = [row, col];
if (grid.isOutOfBounds(row, col) || been.get(row, col) || onTail(start) || grid.get(row, col) === data.player) return;
//Avoid allocating too many resources
var coords = [];
var filled = new Stack(GRID_SIZE * GRID_SIZE + 1);
var surrounded = true;
coords.push(start);
while (coords.length > 0) {
var coord = coords.shift();
var r = coord[0];
var c = coord[1];
if (grid.isOutOfBounds(r, c)) {
surrounded = false;
continue;
}
//End this traverse on boundaries (where we been, on the tail, and when we enter our territory)
if (been.get(r, c) || onTail(coord) || grid.get(r, c) === data.player) continue;
been.set(r, c, true);
if (surrounded) filled.push(coord);
coords.push([r + 1, c]);
coords.push([r - 1, c]);
coords.push([r, c + 1]);
coords.push([r, c - 1]);
}
if (surrounded) {
while (!filled.isEmpty()) {
coord = filled.pop();
grid.set(coord[0], coord[1], data.player);
}
}
return surrounded;
}
function hitsTail(data, other)
{
return (data.prevRow !== other.row || data.prevCol !== other.col) &&
(data.startRow !== other.row || data.startCol !== other.col) &&
!!(data.tailGrid[other.row] && data.tailGrid[other.row][other.col]);
function hitsTail(data, other) {
return (data.prevRow !== other.row || data.prevCol !== other.col) &&
(data.startRow !== other.row || data.startCol !== other.col) &&
!!(data.tailGrid[other.row] && data.tailGrid[other.row][other.col]);
}
var SPEED = 5;
var SHADOW_OFFSET = 10;
function Player(grid, sdata) {
var data = {};
//Parameters
data.num = sdata.num;
data.name = sdata.name || ""; //|| "Player " + (data.num + 1);
data.grid = grid;
data.posX = sdata.posX;
data.posY = sdata.posY;
this.heading = data.currentHeading = sdata.currentHeading; //0 is up, 1 is right, 2 is down, 3 is left.
data.waitLag = sdata.waitLag || 0;
data.dead = false;
//Only need colors for client side.
var base;
if (sdata.base)
base = this.baseColor = sdata.base instanceof Color ? sdata.base : Color.fromData(sdata.base);
else
{
var hue = Math.random();
this.baseColor = base = new Color(hue, .8, .5);
}
this.lightBaseColor = base.deriveLumination(.1);
this.shadowColor = base.deriveLumination(-.3);
this.tailColor = base.deriveLumination(.3).deriveAlpha(.5);
//Tail requires special handling.
this.grid = grid; //Temporary
if (sdata.tail)
data.tail = new Tail(this, sdata.tail);
else
{
data.tail = new Tail(this);
data.tail.reposition(calcRow(data), calcCol(data));
}
//Instance methods.
this.move = move.bind(this, data);
this.die = function() { data.dead = true;};
this.serialData = function() {
return {
base: this.baseColor,
num: data.num,
name: data.name,
posX: data.posX,
posY: data.posY,
currentHeading: data.currentHeading,
tail: data.tail.serialData(),
waitLag: data.waitLag
};
};
//Read-only Properties.
defineAccessorProperties(this, data, "currentHeading", "dead", "name", "num", "posX", "posY", "grid", "tail", "waitLag");
Object.defineProperties(this, {
row: defineGetter(function() { return calcRow(data); }),
col: defineGetter(function() { return calcCol(data); })
});
var data = {};
//Parameters
data.num = sdata.num;
data.name = sdata.name || ""; //|| "Player " + (data.num + 1);
data.grid = grid;
data.posX = sdata.posX;
data.posY = sdata.posY;
this.heading = data.currentHeading = sdata.currentHeading; //0 is up, 1 is right, 2 is down, 3 is left
data.waitLag = sdata.waitLag || 0;
data.dead = false;
//Only need colors for client side
var base;
if (sdata.base) {
base = this.baseColor = sdata.base instanceof Color ? sdata.base : Color.fromData(sdata.base);
}
else {
var hue = Math.random();
this.baseColor = base = new Color(hue, .8, .5);
}
this.lightBaseColor = base.deriveLumination(.1);
this.shadowColor = base.deriveLumination(-.3);
this.tailColor = base.deriveLumination(.2).deriveAlpha(0.98);
//Tail requires special handling
this.grid = grid; //Temporary
if (sdata.tail) {
data.tail = new Tail(this, sdata.tail);
}
else {
data.tail = new Tail(this);
data.tail.reposition(calcRow(data), calcCol(data));
}
//Instance methods
this.move = move.bind(this, data);
this.die = function() { data.dead = true;};
this.serialData = function() {
return {
base: this.baseColor,
num: data.num,
name: data.name,
posX: data.posX,
posY: data.posY,
currentHeading: data.currentHeading,
tail: data.tail.serialData(),
waitLag: data.waitLag
};
};
//Read-only Properties
defineAccessorProperties(this, data, "currentHeading", "dead", "name", "num", "posX", "posY", "grid", "tail", "waitLag");
Object.defineProperties(this, {
row: defineGetter(function() {
return calcRow(data);
}),
col: defineGetter(function() {
return calcCol(data);
})
});
}
//Gets the next integer in positive or negative direction.
function nearestInteger(positive, val)
{
return positive ? Math.ceil(val) : Math.floor(val);
//Gets the next integer in positive or negative direction
function nearestInteger(positive, val) {
return positive ? Math.ceil(val) : Math.floor(val);
}
function calcRow(data)
{
return nearestInteger(data.currentHeading === 2 /*DOWN*/, data.posY / CELL_WIDTH);
function calcRow(data) {
return nearestInteger(data.currentHeading === 2 /*DOWN*/, data.posY / CELL_WIDTH);
}
function calcCol(data)
{
return nearestInteger(data.currentHeading === 1 /*RIGHT*/, data.posX / CELL_WIDTH);
function calcCol(data) {
return nearestInteger(data.currentHeading === 1 /*RIGHT*/, data.posX / CELL_WIDTH);
}
//Instance methods
Player.prototype.render = function(ctx, fade)
{
//Render tail.
this.tail.renderTail(ctx);
//Render player.
fade = fade || 1;
ctx.fillStyle = this.shadowColor.deriveAlpha(fade).rgbString();
ctx.fillRect(this.posX, this.posY, CELL_WIDTH, CELL_WIDTH);
var mid = CELL_WIDTH / 2;
var grd = ctx.createRadialGradient(this.posX + mid, this.posY + mid - SHADOW_OFFSET, 1,
this.posX + mid, this.posY + mid - SHADOW_OFFSET, CELL_WIDTH);
grd.addColorStop(0, this.baseColor.deriveAlpha(fade).rgbString());
grd.addColorStop(1, new Color(0, 0, 1, fade).rgbString());
ctx.fillStyle = grd;
ctx.fillRect(this.posX - 1, this.posY - SHADOW_OFFSET, CELL_WIDTH + 2, CELL_WIDTH);
//Render name
ctx.fillStyle = this.shadowColor.deriveAlpha(fade).rgbString();
ctx.textAlign = "center";
var yoff = -SHADOW_OFFSET * 2;
if (this.row === 0)
yoff = SHADOW_OFFSET * 2 + CELL_WIDTH;
ctx.font = "18px Changa";
ctx.fillText(this.name, this.posX + CELL_WIDTH / 2, this.posY + yoff);
Player.prototype.render = function(ctx, fade) {
//Render tail.
this.tail.renderTail(ctx);
//Render player.
fade = fade || 1;
ctx.fillStyle = this.shadowColor.deriveAlpha(fade).rgbString();
ctx.fillRect(this.posX, this.posY, CELL_WIDTH, CELL_WIDTH);
var mid = CELL_WIDTH / 2;
var grd = ctx.createRadialGradient(this.posX + mid, this.posY + mid - SHADOW_OFFSET, 1, this.posX + mid, this.posY + mid - SHADOW_OFFSET, CELL_WIDTH);
//grd.addColorStop(0, this.baseColor.deriveAlpha(fade).rgbString());
//grd.addColorStop(1, new Color(0, 0, 1, fade).rgbString());
//ctx.fillStyle = grd;
ctx.fillStyle = this.shadowColor.deriveLumination(.2).rgbString();
ctx.fillRect(this.posX - 1, this.posY - SHADOW_OFFSET, CELL_WIDTH + 2, CELL_WIDTH);
//Render name
ctx.fillStyle = this.shadowColor.deriveAlpha(fade).rgbString();
ctx.textAlign = "center";
var yoff = -SHADOW_OFFSET * 2;
if (this.row === 0)
yoff = SHADOW_OFFSET * 2 + CELL_WIDTH;
ctx.font = "18px Changa";
ctx.fillText(this.name, this.posX + CELL_WIDTH / 2, this.posY + yoff);
};
function move(data)
{
if (data.waitLag < NEW_PLAYER_LAG)
{
data.waitLag++;
return;
}
//Move to new position.
var heading = this.heading;
if (this.posX % CELL_WIDTH !== 0 || this.posY % CELL_WIDTH !== 0)
heading = data.currentHeading;
else
data.currentHeading = heading;
switch (heading)
{
case 0: data.posY -= SPEED; break; //UP
case 1: data.posX += SPEED; break; //RIGHT
case 2: data.posY += SPEED; break; //DOWN
case 3: data.posX -= SPEED; break; //LEFT
}
//Check for out of bounds.
var row = this.row, col = this.col;
if (data.grid.isOutOfBounds(row, col))
{
data.dead = true;
return;
}
//Update tail position.
if (data.grid.get(row, col) === this)
{
//Safe zone!
this.tail.fillTail();
this.tail.reposition(row, col);
}
//If we are completely in a new cell (not in our safe zone), we add to the tail.
else if (this.posX % CELL_WIDTH === 0 && this.posY % CELL_WIDTH === 0)
this.tail.addTail(heading);
function move(data) {
if (data.waitLag < NEW_PLAYER_LAG) {
data.waitLag++;
return;
}
//Move to new position.
var heading = this.heading;
if (this.posX % CELL_WIDTH !== 0 || this.posY % CELL_WIDTH !== 0) heading = data.currentHeading;
else data.currentHeading = heading;
switch (heading) {
case 0: data.posY -= SPEED; break; //UP
case 1: data.posX += SPEED; break; //RIGHT
case 2: data.posY += SPEED; break; //DOWN
case 3: data.posX -= SPEED; break; //LEFT
}
//Check for out of bounds.
var row = this.row, col = this.col;
if (data.grid.isOutOfBounds(row, col)) {
data.dead = true;
return;
}
//Update tail position.
if (data.grid.get(row, col) === this) {
//Safe zone!
this.tail.fillTail();
this.tail.reposition(row, col);
}
//If we are completely in a new cell (not in our safe zone), we add to the tail.
else if (this.posX % CELL_WIDTH === 0 && this.posY % CELL_WIDTH === 0) this.tail.addTail(heading);
}
module.exports = Player;

67
game-core/stack.js
View File

@ -1,41 +1,28 @@
function Stack(initSize)
{
var len = 0;
var arr = [];
this.ensureCapacity = function(size)
{
arr.length = Math.max(arr.length, size || 0);
};
this.push = function(ele)
{
this[len] = ele;
len++;
};
this.pop = function()
{
if (len === 0)
return;
len--;
var tmp = this[len];
this[len] = undefined;
return tmp;
};
this.isEmpty = function() {
return len === 0;
}
this.ensureCapacity(initSize);
Object.defineProperty(this, "length", {
get: function() {return len;}
});
function Stack(initSize) {
var len = 0;
var arr = [];
this.ensureCapacity = function(size) {
arr.length = Math.max(arr.length, size || 0);
};
this.push = function(ele) {
this[len] = ele;
len++;
};
this.pop = function() {
if (len === 0) return;
len--;
var tmp = this[len];
this[len] = undefined;
return tmp;
};
this.isEmpty = function() {
return len === 0;
}
this.ensureCapacity(initSize);
Object.defineProperty(this, "length", {
get: function() {
return len;
}
});
}
module.exports = Stack;
module.exports = Stack;

534
game-server.js
View File

@ -1,319 +1,247 @@
var core = require("./game-core");
var GRID_SIZE = core.GRID_SIZE;
var CELL_WIDTH = core.CELL_WIDTH;
var MAX_PLAYERS = core.MAX_PLAYERS;
var HUES = [0, 10, 20, 25, 30, 35, 40, 45, 50, 60, 70, 100, 110, 120, 125, 130, 135, 140, 145, 150, 160, 170, 180, 190, 200, 210, 220].map(function(val) {return val / 240});
var SATS = [192, 150, 100].map(function(val) {return val / 240});
var HUES = [0, 10, 20, 25, 30, 35, 40, 45, 50, 60, 70, 100, 110, 120, 125, 130, 135, 140, 145, 150, 160, 170, 180, 190, 200, 210, 220].map(function(val) {
return val / 240;
});
var SATS = [192, 150, 100].map(function(val) {
return val / 240;
});
function log(msg) {
console.log('[' + new Date() + '] ' + msg);
console.log("[" + new Date() + "] " + msg);
}
function Game(id)
{
var possColors = new Array(SATS.length * HUES.length);
i = 0;
for (var s = 0; s < SATS.length; s++)
for (var h = 0; h < HUES.length; h++)
possColors[i++] = new core.Color(HUES[h], SATS[s], .5, 1);
//Shuffle the colors.
for (var i = 0; i < possColors.length * 50; i++)
{
var a = Math.floor(Math.random() * possColors.length);
var b = Math.floor(Math.random() * possColors.length);
var tmp = possColors[a];
possColors[a] = possColors[b];
possColors[b] = tmp;
}
var nextInd = 0;
var players = [];
var newPlayers = [];
var frameLocs = [];
var frame = 0;
var filled = 0;
var grid = new core.Grid(GRID_SIZE, function(row, col, before, after) {
if (!!after ^ !!before)
{
if (after)
filled++;
else
filled--;
if (filled === GRID_SIZE * GRID_SIZE)
log("FULL GAME");
}
});
this.id = id;
this.addPlayer = function(client, name) {
if (players.length >= MAX_PLAYERS)
return false;
var start = findEmpty(grid);
if (!start)
return false;
var params = {
posX: start.col * CELL_WIDTH,
posY: start.row * CELL_WIDTH,
currentHeading: Math.floor(Math.random() * 4),
name: name,
num: nextInd,
base: possColors.shift()
};
var p = new core.Player(grid, params);
p.tmpHeading = params.currentHeading;
p.client = client;
players.push(p);
newPlayers.push(p);
nextInd++;
core.initPlayer(grid, p);
if (p.name.indexOf("BOT") == -1) {
log((p.name || "Unnamed") + " (" + p.num + ") joined.");
}
client.on("requestFrame", function () {
if (p.frame === frame)
return;
p.frame = frame; //Limit number of requests per frame. (One per frame);
var splayers = players.map(function(val) {return val.serialData();});
client.emit("game", {
"num": p.num,
"gameid": id,
"frame": frame,
"players": splayers,
"grid": gridSerialData(grid, players)
});
});
//Verifies that this client has executed this frame properly.
client.on("verify", function(data, resp) {
if (typeof resp !== "function")
return;
if (!data.frame)
resp(false, false, "No frame supplied");
else if (!checkInt(data.frame, 0, frame + 1))
resp(false, false, "Must be a valid frame number");
else
{
verifyPlayerLocations(data.frame, data.locs, resp);
}
});
client.on("frame", function(data, errorHan){
if (typeof data === "function")
{
errorHan(false, "No data supplied.");
return;
}
if (typeof errorHan !== "function")
errorHan = function() {};
if (!data)
errorHan(false, "No data supplied.");
else if (!checkInt(data.frame, 0, Infinity))
errorHan(false, "Requires a valid non-negative frame integer.");
else if (data.frame > frame)
errorHan(false, "Invalid frame received.");
else
{
if (data.heading !== undefined)
{
if (checkInt(data.heading, 0, 4))
{
p.tmpHeading = data.heading;
errorHan(true);
}
else
errorHan(false, "New heading must be an integer of range [0, 4).");
}
}
});
client.on('disconnect', function() {
p.die(); //Die immediately if not already.
p.disconnected = true;
if (p.name.indexOf("BOT") == -1) {
log((p.name || "Unnamed") + " (" + p.num + ") left.");
}
});
return true;
};
function pushPlayerLocations()
{
var locs = [];
for (var p of players)
locs[p.num] = [p.posX, p.posY, p.waitLag];
locs.frame = frame;
if (frameLocs.length >= 300) //Give it 5 seconds of lag.
frameLocs.shift();
frameLocs.push(locs);
}
function verifyPlayerLocations(fr, verify, resp)
{
var minFrame = frame - frameLocs.length + 1;
if (fr < minFrame || fr > frame)
{
resp(false, false, "Frames out of reference");
return;
}
function string(loc)
{
return '(' + loc[0] + ', ' + loc[1] + ') [' + loc[2] + ']';
}
var locs = frameLocs[fr - minFrame];
if (locs.frame !== fr)
{
resp(false, false, locs.frame + " != " + fr);
return;
}
for (var num in verify)
{
if (!locs[num])
continue;
if (locs[num][0] !== verify[num][0] || locs[num][1] !== verify[num][1] || locs[num][2] !== verify[num][2])
{
resp(false, true, 'P' + num + ' ' + string(locs[num]) + ' !== ' + string(verify[num]));
return;
}
}
resp(true, false);
}
function tick() {
//TODO: notify those players that this server automatically drops out.
var splayers = players.map(function(val) {return val.serialData();});
var snews = newPlayers.map(function(val) {
//Emit game stats.
val.client.emit("game", {
"num": val.num,
"gameid": id,
"frame": frame,
"players": splayers,
"grid": gridSerialData(grid, players),
});
return val.serialData();
});
var moves = players.map(function(val) {
//Account for race condition (when heading is set after emitting frames, and before updating).
val.heading = val.tmpHeading;
return {num: val.num, left: !!val.disconnected, heading: val.heading};
});
update();
var data = {frame: frame + 1, moves: moves};
if (snews.length > 0)
{
data.newPlayers = snews;
newPlayers = [];
}
for (var pl of players)
pl.client.emit("notifyFrame", data);
frame++;
pushPlayerLocations();
}
this.tickFrame = tick;
function update()
{
var dead = [];
core.updateFrame(grid, players, dead);
for (var pl of dead)
{
if (!pl.handledDead)
{
possColors.push(pl.baseColor);
pl.handledDead = true;
}
if (pl.name.indexOf("BOT") == -1) {
log((pl.name || "Unnamed") + " (" + pl.num + ") died.");
}
pl.client.emit("dead");
pl.client.disconnect(true);
}
}
function Game(id) {
var possColors = new Array(SATS.length * HUES.length);
i = 0;
for (var s = 0; s < SATS.length; s++) {
for (var h = 0; h < HUES.length; h++) {
possColors[i++] = new core.Color(HUES[h], SATS[s], .5, 1);
}
}
//Shuffle the colors.
for (var i = 0; i < possColors.length * 50; i++) {
var a = Math.floor(Math.random() * possColors.length);
var b = Math.floor(Math.random() * possColors.length);
var tmp = possColors[a];
possColors[a] = possColors[b];
possColors[b] = tmp;
}
var nextInd = 0;
var players = [];
var newPlayers = [];
var frameLocs = [];
var frame = 0;
var filled = 0;
var grid = new core.Grid(GRID_SIZE, function(row, col, before, after) {
if (!!after ^ !!before) {
if (after) filled++;
else filled--;
if (filled === GRID_SIZE * GRID_SIZE) log("FULL GAME");
}
});
this.id = id;
this.addPlayer = function(client, name) {
if (players.length >= MAX_PLAYERS) return false;
var start = findEmpty(grid);
if (!start) return false;
var params = {
posX: start.col * CELL_WIDTH,
posY: start.row * CELL_WIDTH,
currentHeading: Math.floor(Math.random() * 4),
name: name,
num: nextInd,
base: possColors.shift()
};
var p = new core.Player(grid, params);
p.tmpHeading = params.currentHeading;
p.client = client;
players.push(p);
newPlayers.push(p);
nextInd++;
core.initPlayer(grid, p);
if (p.name.indexOf("BOT") == -1) log((p.name || "Unnamed") + " (" + p.num + ") joined.");
client.on("requestFrame", function() {
if (p.frame === frame) return;
p.frame = frame; //Limit number of requests per frame. (One per frame);
var splayers = players.map(function(val) {
return val.serialData();
});
client.emit("game", {
"num": p.num,
"gameid": id,
"frame": frame,
"players": splayers,
"grid": gridSerialData(grid, players)
});
});
//Verifies that this client has executed this frame properly.
client.on("verify", function(data, resp) {
if (typeof resp !== "function") return;
if (!data.frame) resp(false, false, "No frame supplied");
else if (!checkInt(data.frame, 0, frame + 1)) resp(false, false, "Must be a valid frame number");
else {
verifyPlayerLocations(data.frame, data.locs, resp);
}
});
client.on("frame", function(data, errorHan) {
if (typeof data === "function") {
errorHan(false, "No data supplied.");
return;
}
if (typeof errorHan !== "function") errorHan = function() {};
if (!data) errorHan(false, "No data supplied.");
else if (!checkInt(data.frame, 0, Infinity)) errorHan(false, "Requires a valid non-negative frame integer.");
else if (data.frame > frame) errorHan(false, "Invalid frame received.");
else {
if (data.heading !== undefined) {
if (checkInt(data.heading, 0, 4)) {
p.tmpHeading = data.heading;
errorHan(true);
}
else errorHan(false, "New heading must be an integer of range [0, 4).");
}
}
});
client.on("disconnect", function() {
p.die(); //Die immediately if not already.
p.disconnected = true;
if (p.name.indexOf("BOT") == -1) log((p.name || "Unnamed") + " (" + p.num + ") left.");
});
return true;
};
function pushPlayerLocations() {
var locs = [];
for (var p of players) {
locs[p.num] = [p.posX, p.posY, p.waitLag];
}
locs.frame = frame;
if (frameLocs.length >= 300) frameLocs.shift(); //Give it 5 seconds of lag.
frameLocs.push(locs);
}
function verifyPlayerLocations(fr, verify, resp) {
var minFrame = frame - frameLocs.length + 1;
if (fr < minFrame || fr > frame) {
resp(false, false, "Frames out of reference");
return;
}
function string(loc) {
return `(${loc[0]}, ${loc[1]}) [${loc[2]}]`;
}
var locs = frameLocs[fr - minFrame];
if (locs.frame !== fr) {
resp(false, false, locs.frame + " != " + fr);
return;
}
for (var num in verify) {
if (!locs[num]) continue;
if (locs[num][0] !== verify[num][0] || locs[num][1] !== verify[num][1] || locs[num][2] !== verify[num][2]) {
resp(false, true, "P" + num + " " + string(locs[num]) + " !== " + string(verify[num]));
return;
}
}
resp(true, false);
}
function tick() {
//TODO: notify those players that this server automatically drops out.
var splayers = players.map(function(val) {
return val.serialData();
});
var snews = newPlayers.map(function(val) {
//Emit game stats.
val.client.emit("game", {
"num": val.num,
"gameid": id,
"frame": frame,
"players": splayers,
"grid": gridSerialData(grid, players),
});
return val.serialData();
});
var moves = players.map(function(val) {
//Account for race condition (when heading is set after emitting frames, and before updating).
val.heading = val.tmpHeading;
return {
num: val.num,
left: !!val.disconnected,
heading: val.heading
};
});
update();
var data = {
frame: frame + 1,
moves: moves
};
if (snews.length > 0) {
data.newPlayers = snews;
newPlayers = [];
}
for (var pl of players) {
pl.client.emit("notifyFrame", data);
}
frame++;
pushPlayerLocations();
}
this.tickFrame = tick;
function update() {
var dead = [];
core.updateFrame(grid, players, dead);
for (var pl of dead) {
if (!pl.handledDead) {
possColors.push(pl.baseColor);
pl.handledDead = true;
}
if (pl.name.indexOf("BOT") == -1) log((pl.name || "Unnamed") + " (" + pl.num + ") died.");
pl.client.emit("dead");
pl.client.disconnect(true);
}
}
}
function checkInt(value, min, max)
{
if (typeof value !== "number")
return false;
if (value < min || value >= max)
return false;
if (Math.floor(value) !== value)
return false;
return true;
function checkInt(value, min, max) {
return !(typeof value !== "number" || value < min || value >= max || Math.floor(value) !== value);
}
function gridSerialData(grid, players)
{
var buff = Buffer.alloc(grid.size * grid.size);
var numToIndex = new Array(players.length > 0 ? players[players.length - 1].num + 1 : 0);
for (var i = 0; i < players.length; i++)
numToIndex[players[i].num] = i + 1;
for (var r = 0; r < grid.size; r++)
for (var c = 0; c < grid.size; c++)
{
var ele = grid.get(r, c);
buff[r * grid.size + c] = ele ? numToIndex[ele.num] : 0;
}
return buff;
function gridSerialData(grid, players) {
var buff = Buffer.alloc(grid.size * grid.size);
var numToIndex = new Array(players.length > 0 ? players[players.length - 1].num + 1 : 0);
for (var i = 0; i < players.length; i++) {
numToIndex[players[i].num] = i + 1;
}
for (var r = 0; r < grid.size; r++) {
for (var c = 0; c < grid.size; c++) {
var ele = grid.get(r, c);
buff[r * grid.size + c] = ele ? numToIndex[ele.num] : 0;
}
}
return buff;
}
function findEmpty(grid)
{
var available = [];
for (var r = 1; r < grid.size - 1; r++)
for (var c = 1; c < grid.size - 1; c++)
{
var cluttered = false;
checkclutter: for (var dr = -1; dr <= 1; dr++)
{
for (var dc = -1; dc <= 1; dc++)
{
if (grid.get(r + dr, c + dc))
{
cluttered = true;
break checkclutter;
}
}
}
if (!cluttered)
available.push({row: r, col: c});
}
if (available.length === 0)
return null;
else
return available[Math.floor(available.length * Math.random())];
function findEmpty(grid) {
var available = [];
for (var r = 1; r < grid.size - 1; r++)
for (var c = 1; c < grid.size - 1; c++) {
var cluttered = false;
checkclutter: for (var dr = -1; dr <= 1; dr++) {
for (var dc = -1; dc <= 1; dc++) {
if (grid.get(r + dr, c + dc)) {
cluttered = true;
break checkclutter;
}
}
}
if (!cluttered) available.push({
row: r,
col: c
});
}
return (available.length === 0) ? null : available[Math.floor(available.length * Math.random())];
}
module.exports = Game;

486
package-lock.json generated
View File

@ -1,486 +0,0 @@
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57
package.json
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@ -1,31 +1,30 @@
{
"name": "blockly-io",
"version": "0.9.0",
"description": "An multiplayer-IO type game (cloned from Paper-IO)",
"main": "",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"repository": {
"type": "git",
"url": "git+https://github.com/theKidOfArcrania/Blockly-IO.git"
},
"keywords": [
"Blockly-IO",
"Paper-IO",
"IO",
"Game"
],
"author": "theKidOfArcrania",
"license": "MIT",
"bugs": {
"url": "https://github.com/theKidOfArcrania/Blockly-IO/issues"
},
"homepage": "https://github.com/theKidOfArcrania/Blockly-IO#readme",
"dependencies": {
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"serve-static": "^1.11.2",
"socket.io": "^2.0.4",
"socket.io-client": "^2.0.4"
}
"name": "paper-io",
"version": "0.0.1",
"description": "An multiplayer-IO type game (cloned from Paper-IO)",
"main": "",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"repository": {
"type": "git",
"url": "git+https://github.com/stevenjoezhang/paper.io.git"
},
"keywords": [
"Paper-IO",
"IO",
"Game"
],
"author": "theKidOfArcrania",
"license": "MIT",
"bugs": {
"url": "https://github.com/stevenjoezhang/paper.io/issues"
},
"homepage": "https://github.com/stevenjoezhang/paper.io",
"dependencies": {
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"serve-static": "^1.13.2",
"socket.io": "^2.2.0",
"socket.io-client": "^2.2.0"
}
}

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public/Queue.js
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//code.stephenmorley.org
function Queue(){var a=[],b=0;this.getLength=function(){return a.length-b};this.isEmpty=function(){return 0==a.length};this.enqueue=function(b){a.push(b)};this.dequeue=function(){if(0!=a.length){var c=a[b];2*++b>=a.length&&(a=a.slice(b),b=0);return c}};this.peek=function(){return 0<a.length?a[b]:void 0}};

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public/changa.css
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/* arabic */
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font-family: 'Changa';
font-style: normal;
font-weight: 600;
src: local('Changa SemiBold'), local('Changa-SemiBold'), url(8-mw6umTgtMSI5PXqVIDMRJtnKITppOI_IvcXXDNrsc.woff2) format('woff2');
unicode-range: U+0600-06FF, U+200C-200E, U+2010-2011, U+FB50-FDFF, U+FE80-FEFC;
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font-family: 'Changa';
font-style: normal;
font-weight: 600;
src: local('Changa SemiBold'), local('Changa-SemiBold'), url(l9R1mHXzJ6oxjfw8BkQIThJtnKITppOI_IvcXXDNrsc.woff2) format('woff2');
unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;
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/* latin */
@font-face {
font-family: 'Changa';
font-style: normal;
font-weight: 600;
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}

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public/index.html
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@ -1,25 +1,34 @@
<!DOCTYPE html>
<html>
<head>
<link href="changa.css" rel="stylesheet">
<link href="styles.css" rel="stylesheet">
<script src="jquery.min.js"></script>
<script src="bundle.js"></script>
<title>Blockly.IO</title>
<meta charset="UTF-8"/>
<title>Paper.io</title>
<link rel="stylesheet" href="static/styles.css"/>
<script src="static/jquery.min.js"></script>
<script src="static/prefixfree.min.js"></script>
<script src="bundle.js"></script>
</head>
<body>
<canvas id="main-ui"></canvas>
<div id="stats" style="opacity: 0" class="fullscreen hidden"></div>
<div id="begin" style="opacity: .99999" class="fullscreen">
<div class="center">
<h1>Blockly.IO!</h1>
<small>Todo: replace ^^^ with a picture. Work in progress.</small><br>
<h1>Enter your name</h1>
<input autocomplete="off" id="name" placeholder="An awesome name!">
<button type="submit">Play!</button>
<div>
<small id="error">Your browser does not support JavaScript!</small>
</div>
<small>Visit the open-source code on <a href="https://github.com/theKidOfArcrania/PaperIO-Web">GitHub</a>!</small>
</div>
</div>
</body>
<canvas id="main-ui"></canvas>
<div id="begin">
<a id="github" href="https://github.com/stevenjoezhang/paper.io" title="Visit the open-source code on GitHub!">
<svg width="80" height="80" viewBox="0 0 250 250" style="fill: #222; color: #fff; position: absolute; top: 0; border: 0; right: 0;" aria-hidden="true">
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</svg>
</a>
<div class="center">
<!--<h1>Paper.io!</h1>
<small>Todo: replace ^^^ with a picture. Work in progress.</small><br/>-->
<img class="scale" src="static/logo.png"/>
<h1>Enter your name</h1>
<input id="name" autocomplete="off" placeholder="An awesome name!"/>
<input id="start" type="button" value="Play!" disabled="disabled"/>
<div>
<small id="error">Your browser does not support JavaScript!</small>
</div>
</div>
</div>
</body>
</html>

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* MIT license
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l=function(a){if("-"===a.charAt(0)){c.push(a);a=a.split("-");var d=a[1];for(b[d]=++b[d]||1;3<a.length;)a.pop(),d=a.join("-"),StyleFix.camelCase(d)in h&&-1===c.indexOf(d)&&c.push(d)}};if(0<d.length)for(var g=0;g<d.length;g++)l(d[g]);else for(var e in d)l(StyleFix.deCamelCase(e));var g=0,f,k;for(k in b)d=b[k],g<d&&(f=k,g=d);a.prefix="-"+f+"-";a.Prefix=StyleFix.camelCase(a.prefix);a.properties=[];for(g=0;g<c.length;g++)e=c[g],0===e.indexOf(a.prefix)&&(f=e.slice(a.prefix.length),StyleFix.camelCase(f)in
h||a.properties.push(f));!("Ms"!=a.Prefix||"transform"in h||"MsTransform"in h)&&"msTransform"in h&&a.properties.push("transform","transform-origin");a.properties.sort()})();(function(){function b(a,b){h[b]="";h[b]=a;return!!h[b]}var c={"linear-gradient":{property:"backgroundImage",params:"red, teal"},calc:{property:"width",params:"1px + 5%"},element:{property:"backgroundImage",params:"#foo"},"cross-fade":{property:"backgroundImage",params:"url(a.png), url(b.png), 50%"}};c["repeating-linear-gradient"]=
c["repeating-radial-gradient"]=c["radial-gradient"]=c["linear-gradient"];var d={initial:"color","zoom-in":"cursor","zoom-out":"cursor",box:"display",flexbox:"display","inline-flexbox":"display",flex:"display","inline-flex":"display",grid:"display","inline-grid":"display","max-content":"width","min-content":"width","fit-content":"width","fill-available":"width"};a.functions=[];a.keywords=[];var h=document.createElement("div").style,e;for(e in c){var g=c[e],k=g.property,g=e+"("+g.params+")";!b(g,k)&&
b(a.prefix+g,k)&&a.functions.push(e)}for(var f in d)k=d[f],!b(f,k)&&b(a.prefix+f,k)&&a.keywords.push(f)})();(function(){function b(a){e.textContent=a+"{}";return!!e.sheet.cssRules.length}var c={":read-only":null,":read-write":null,":any-link":null,"::selection":null},d={keyframes:"name",viewport:null,document:'regexp(".")'};a.selectors=[];a.atrules=[];var e=k.appendChild(document.createElement("style")),l;for(l in c){var g=l+(c[l]?"("+c[l]+")":"");!b(g)&&b(a.prefixSelector(g))&&a.selectors.push(l)}for(var m in d)g=
m+" "+(d[m]||""),!b("@"+g)&&b("@"+a.prefix+g)&&a.atrules.push(m);k.removeChild(e)})();a.valueProperties=["transition","transition-property"];k.className+=" "+a.prefix;StyleFix.register(a.prefixCSS)}})(document.documentElement);

125
public/static/styles.css Normal file
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@ -0,0 +1,125 @@
/* arabic */
@font-face {
font-family: "Changa";
font-style: normal;
font-weight: 600;
src: local("Changa SemiBold"), local("Changa-SemiBold"), url(8-mw6umTgtMSI5PXqVIDMRJtnKITppOI_IvcXXDNrsc.woff2) format("woff2");
unicode-range: U+0600-06FF, U+200C-200E, U+2010-2011, U+FB50-FDFF, U+FE80-FEFC;
}
/* latin-ext */
@font-face {
font-family: "Changa";
font-style: normal;
font-weight: 600;
src: local("Changa SemiBold"), local("Changa-SemiBold"), url(l9R1mHXzJ6oxjfw8BkQIThJtnKITppOI_IvcXXDNrsc.woff2) format("woff2");
unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
font-family: "Changa";
font-style: normal;
font-weight: 600;
src: local("Changa SemiBold"), local("Changa-SemiBold"), url(aXdbZDB08TCIBRKa7Qgu_FtXRa8TVwTICgirnJhmVJw.woff2) format("woff2");
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2212, U+2215;
}
body, html {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
overflow: hidden;
background: white;
color: white;
font-family: "Changa", "Sans Serif";
user-select: none;
}
canvas {
position: absolute;
width: 100%;
height: 100%;
top: 0;
left: 0;
}
#begin {
width: 100%;
height: 100%;
background: rgba(0,0,0,.8);
}
#github svg {
transition: all 1s;
transform-origin: right top;
}
#github:hover svg {
transform: scale(2);
}
.center {
vertical-align: middle;
text-align: center;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
.scale {
animation: scale 5s infinite ease-in-out;
}
@keyframes scale {
0% {
transform: scale(0.8);
}
50% {
transform: scale(1);
}
100% {
transform: scale(0.8);
}
}
input {
font-family: "Changa", "Sans Serif";
font-size: 1.5rem;
outline: none;
border: 0;
padding: .5rem 1rem;
line-height: 2.5rem;
}
#name {
/*
border: 4px solid lightgray;
border-radius: 2px;
*/
background: #ededd1;
border-bottom: 6px solid #a1a18d;
}
input[type=button] {
/*
border-style: solid;
border-color: #e6e699 #b8b814 #b8b814 #e6e699;
border-width: 4px 4px 4px 4px;
border-radius: 4px;
background: #eded5e;
*/
background: #eaec4b;
border-bottom: 6px solid #a1a130;
color: #888a34;
text-align: center;
cursor: pointer;
}
input[type=button]:hover {
background: #fafc5b;
}
input[type=button]:active {
/*
border-color: #73730d #cccc7d #cccc7d #73730d;
background: #e8e830;
border: none;
border-top: 4px solid #333;
*/
border-bottom: 2px solid #a1a130;
transform: translateY(4px);
}
input[type=button]:disabled {
cursor: not-allowed;
}
#error {
color: red;
}

71
public/styles.css
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@ -1,71 +0,0 @@
body, html {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
overflow: hidden;
background: black;
color: white;
font-family: "Changa", "Sans Serif";
}
#error {
color: red;
}
canvas {
position: absolute;
top: 0;
left: 0;
}
.fullscreen {
width: 100%;
height: 100%;
background: black;
}
.center {
vertical-align: middle;
text-align: center;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
input {
font-family: "Changa", "Sans Serif";
font-size: 24px;
padding: .5rem 1rem;
border: 4px solid lightgray;
border-radius: 2px;
}
button {
border-style: solid;
border-color: #e6e699 #b8b814 #b8b814 #e6e699;
border-width: 4px 4px 4px 4px;
border-radius: 4px;
background: #eded5e;
font-family: "Changa", "Sans-serif";
font-size: 24px;
padding: .5rem 1rem;
}
button:active {
border-color: #73730d #cccc7d #cccc7d #73730d;
background: #e8e830;
}
.hidden {
display: none;
}
#stats
{
background: rgb(80, 80, 80);
position: absolute;
top: 0;
left: 0;
}

2
public/test.html
View File

@ -1,2 +0,0 @@
<script src="socket.io.min.js"></script>
<script src="socket-test.js"></script>

64
server.js
View File

@ -1,49 +1,43 @@
//TODO: rename as "blockly.io".
var hostname = process.argv[2] || "0.0.0.0";
var port = parseInt(process.argv[3]) || 80;
var finalhandler = require('finalhandler');
var http = require('http');
var serveStatic = require('serve-static');
var port = parseInt(process.argv[3]) || 8080;
var finalhandler = require("finalhandler");
var http = require("http");
var serveStatic = require("serve-static");
// Serve up public/ftp folder
var serve = serveStatic('public/', {'setHeaders': setHeaders});
function setHeaders(res, path) {
res.setHeader('Cache-Control', 'public, max-age=0');
}
// Create server
var server = http.createServer(function onRequest (req, res) {
serve(req, res, finalhandler(req, res));
var serve = serveStatic("public/", {
"setHeaders": setHeaders
});
function setHeaders(res, path) {
res.setHeader("Cache-Control", "public, max-age=0");
}
// Create server
var server = http.createServer(function onRequest(req, res) {
serve(req, res, finalhandler(req, res));
});
// Listen
server.listen(port, hostname);
server = http.createServer();
var io = require('socket.io')(server);
io.set('transports', ['websocket']);
var Game = require('./game-server.js');
var io = require("socket.io")(server);
io.set("transports", ["websocket"]);
var Game = require("./game-server.js");
var games = [new Game()];
io.on('connection', function(socket){
socket.on("hello", function(data, fn) {
//TODO: error checking.
if (data.name && data.name.length > 32)
fn(false, "Your name is too long!");
else if (!games[0].addPlayer(socket, data.name))
fn(false, "Game is too full!");
else
fn(true);
});
socket.on("checkConn", function(fn) { fn(); });
io.on("connection", function(socket) {
socket.on("hello", function(data, fn) {
//TODO: error checking.
if (data.name && data.name.length > 32) fn(false, "Your name is too long!");
else if (!games[0].addPlayer(socket, data.name)) fn(false, "Game is too full!");
else fn(true);
});
socket.on("pings", function(fn) {
socket.emit("pongs");
socket.disconnect();
});
});
server.listen(8081);
function tick() {
games[0].tickFrame();
setTimeout(tick, 1000 / 60);
games[0].tickFrame();
setTimeout(tick, 1000 / 60);
}
tick();
//setTimeout(tick, 1000 / 60);