Improvements...II

README.md

@@ -1,3 +1,5 @@
 # graphed
 
-Paint in your terminal
+graphed is a simple tool to create _ascii art_
+It is very rudimentary for now...
+

main.lua

@@ -1,46 +1,21 @@
 -- Paint in your terminal
 nc = require("nocurses")
-
+dofile("simplefuncs.lua")
 -- Misc nc funcs ============================
-function printul(s)
-    nc.setunderline(true)
-    print(s)
-    nc.setunderline(false)
-end
 
-
-
-------------------------------------
--- consts and vars
-
-
-MSIZE_X=50 -- Map
+COLORS={"BLACK","RED","GREEN","YELLOW","BLUE","MAGENTA","CYAN","WHITE"}
+MSIZE_X=32 -- Map
 MSIZE_Y=24 ---- size
 PL_GLYPH="@"
-VER=0.034
+VER=0.08
 -- MAKE Map matrix ------------- 
-function mkmat()
-    local mt
-    mt = {}          -- create the matrix
-    for i=1,MSIZE_X do
-      mt[i] = {}     -- create a new row
-      for j=1,MSIZE_Y do
-        mt[i][j] = " "
-      end
-    end
-   return mt
-end
-
-function at(s,p)
-    return string.sub(s,p,p)
-end
-
 -- -------------- START FUNC -----------
 function start()
     nc.setcurshape("BAR") 
     nc.clrscr()
     -- Make X functions
     map=mkmat()
+    mapcolors=mkmat()
     p=mkpointer()
         
     -- Now main loop
@@ -58,71 +33,93 @@ function drawmap()
     end
     -- XXX draw last info line XXX 
     nc.gotoxy(0,MSIZE_Y+1)
-    print(p.x.." . "..p.y.."    ")
+    print("X:"..p.x.." | ".." Y:"..p.y.."    ")
 end
 
 function drawmap_fg() -- Draw map foreground    
+    nc.setfontcolor("RED")
     nc.gotoxy(p.x,p.y)
     print(p.glyph)
+    nc.setfontcolor("WHITE")
 end
 ----------- main func -----
-function main()    
+function main()
+    printul("Graphed")
+    print("version "..VER)
     while exitbool~=true do
-        if await_cmd()~=0 then
+        if await_cmd()~=0  then
             drawmap()
             drawmap_fg()
         end         
     end
-    exit()
-end
-
-
-function exit() -- Exits gracefully
     nc.clrscr()
     printul("Goodbye...")
 end
 
-function mkpointer(pn)
-    local p
-    p={}
-    p.x=5
-    p.y=5
-    p.glyph="X"
-    return p
-end
+
 
 -- END OF MAKE FUNCS ========== MAKE =====
 function await_cmd()
     local k
     k=string.char(nc.getch())
-    if k=="h" then
+    if k=="h" and p.x>1 then
         movep(-1,0) 
-    elseif k=="j" then
+    elseif k=="j" and p.y<=MSIZE_Y then
         movep(0,1) 
-    elseif k=="k" then
+    elseif k=="k" and p.y>1 then
         movep(0,-1) 
-    elseif k=="l" then
+    elseif k=="l" and p.x<MSIZE_X then
         movep(1,0) 
     elseif k=="q" then
         exitbool=true
     elseif k=="t" then
         showmesg("This is a test")
-    elseif k=="c" then
+    elseif k=="g" then
         changep()
     elseif k=="." then 
-        paint(p.x,p.y,p.glyph)
+        map[p.x][p.y]=p.glyph
     elseif k=="x" then
-        paint(p.x,p.y," ")
-    elseif k=="o" then
-        -- TODO Set color
+        map[p.x][p.y]=" "
+    elseif k=="w" then
+        write()
+    elseif k=="?" then
+        help()
     else         
         return 0
     end
 
 end
+-- TODO make load func TODO
 
-function paint(px,py,pg)
-    map[px][py]=pg
+function help()
+    nc.clrscr()
+    nc.setfontcolor("BLUE")
+    printul("graphed commands")
+    print("g -> change current glyph")
+    print(". -> place current glyph on screen")
+    print("x -> delete glyph under cursor")
+    -- TODO
+    nc.setfontcolor("RED")
+    print("Press enter...")
+    nc.wait()
+    nc.setfontcolor("WHITE")
+end
+
+function write()
+    nc.clrscr()
+    print("Enter Filename")
+    fn=io.read("l")
+    fp=io.open(fn,"w+")
+    for i=1,MSIZE_Y do
+        for ii=1,MSIZE_X do
+        cc=map[ii][i]
+        fp:write(cc)
+        end
+        fp:write("\n")
+    end
+    fp:close()
+    nc.clrscr()
+    showmesg("wrote to file:'"..fn.."'. Press enter")
 end
 
 function movep(dx,dy)
@@ -139,11 +136,5 @@ function changep()
    p.glyph=c
 end
 
-function showmesg(msg)
-    nc.gotoxy(1,1)
-    print(msg)
-    nc.wait()
-end
-
 -- ------------------------------------------
 start()

simplefuncs.lua

@@ -0,0 +1,45 @@
+-- Simple functions for graphed
+
+function printul(s)
+    nc.setunderline(true)
+    print(s)
+    nc.setunderline(false)
+end
+
+function mkmat()
+    local mt
+    mt = {}          -- create the matrix
+    for i=1,MSIZE_X do
+      mt[i] = {}     -- create a new row
+      for j=1,MSIZE_Y do
+        mt[i][j] = " "
+      end
+    end
+   return mt
+end
+
+function showmesg(msg)
+    nc.gotoxy(1,1)
+    print(msg)
+    nc.wait()
+end
+
+function at(s,p)
+    return string.sub(s,p,p)
+end
+
+function mkpointer(pn)
+    local p
+    p={}
+    p.x=5
+    p.y=5
+    p.glyph="X"
+    return p
+end
+
+function dispmesg(m)
+    for i=1,150 do
+        nc.gotoxy(1,1)
+        print(m)
+    end
+end