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omega-rpg/effect1.c

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/* omega copyright (C) by Laurence Raphael Brothers, 1987,1988,1989 */
/* effect1.c */
#include "glob.h"
/* enchant */
void enchant(int delta)
{
int i,used = FALSE;
long change_cash;
if (delta < 0) {
i = random_item();
if (i == ABORT || Player.possessions[i]->usef == I_NOTHING ||
Player.possessions[i]->usef == I_NO_OP ||
Player.possessions[i]->usef == I_NORMAL_ARMOR ||
Player.possessions[i]->usef == I_NORMAL_WEAPON ||
Player.possessions[i]->usef == I_NORMAL_SHIELD ||
Player.possessions[i]->objchar == FOOD ||
Player.possessions[i]->objchar == MISSILEWEAPON) {
print1("You feel fortunate.");
morewait();
}
else if (Player.possessions[i]->blessing < 0 ||
(Player.possessions[i]->objchar == ARTIFACT && random_range(3))) {
if (Player.possessions[i]->uniqueness == COMMON)
print1("Your ");
nprint1(itemid(Player.possessions[i]));
nprint1(" glows, but the glow flickers out...");
morewait();
}
else {
used = (Player.possessions[i]->used);
if (used) {
Player.possessions[i]->used = FALSE;
item_use(Player.possessions[i]);
}
if (Player.possessions[i]->uniqueness == COMMON)
print1("Your ");
nprint1(itemid(Player.possessions[i]));
nprint1(" radiates an aura of mundanity!");
morewait();
Player.possessions[i]->plus = 0;
Player.possessions[i]->charge = -1;
Player.possessions[i]->usef = I_NOTHING;
if (used) {
Player.possessions[i]->used = TRUE;
item_use(Player.possessions[i]);
}
}
}
else {
i = getitem(CASH);
if (i == ABORT) {
print1("You feel unlucky.");
morewait();
}
else if (i == CASHVALUE) {
print1("You enchant your money.... What a concept!");
change_cash = Player.cash*(random_range(7) - 3)/6;
if (change_cash > 0) print2("Seems to have been a good idea!");
else print2("Maybe it wasn't such a good idea....");
Player.cash += change_cash;
morewait();
}
else if (Player.possessions[i]->objchar == ARTIFACT) {
if (Player.possessions[i]->usef !=
Objects[Player.possessions[i]->id].usef) {
print1("It re-acquires its magical aura!");
Player.possessions[i]->usef = Objects[Player.possessions[i]->id].usef;
}
else {
print1("The enchantment spell enfolds the ");
nprint1(itemid(Player.possessions[i]));
print2("and the potent enchantment of the Artifact causes a backlash!");
morewait();
clearmsg();
manastorm(Player.x,Player.y,Player.possessions[i]->level*5);
}
}
else {
if (Player.possessions[i]->plus > random_range(20)+1) {
print1("Uh-oh, the force of the enchantment was too much!");
print2("There is a loud explosion!");
morewait();
manastorm(Player.x,Player.y,Player.possessions[i]->plus*5);
dispose_lost_objects(1,Player.possessions[i]);
}
else {
used = (Player.possessions[i]->used);
if (used) {
setgamestatus(SUPPRESS_PRINTING);
Player.possessions[i]->used = FALSE;
item_use(Player.possessions[i]);
resetgamestatus(SUPPRESS_PRINTING);
}
print1("The item shines!");
morewait();
Player.possessions[i]->plus += delta+1;
if (Player.possessions[i]->charge > -1)
Player.possessions[i]->charge +=
((delta+1) * (random_range(10) + 1));
if (used) {
setgamestatus(SUPPRESS_PRINTING);
Player.possessions[i]->used = TRUE;
item_use(Player.possessions[i]);
resetgamestatus(SUPPRESS_PRINTING);
}
}
}
calc_melee();
}
}
/* bless */
void bless(int blessing)
{
int index,used;
if (blessing < 0) {
index = random_item();
if (index == ABORT) {
print1("You feel fortunate.");
morewait();
}
else {
print1("A foul odor arises from ");
if (Player.possessions[index]->uniqueness == COMMON)
nprint1("your ");
nprint1(itemid(Player.possessions[index]));
morewait();
used = (Player.possessions[index]->used);
if (used) {
setgamestatus(SUPPRESS_PRINTING);
Player.possessions[index]->used = FALSE;
item_use(Player.possessions[index]);
resetgamestatus(SUPPRESS_PRINTING);
}
Player.possessions[index]->blessing -= 2;
if (Player.possessions[index]->blessing < 0)
Player.possessions[index]->plus =
abs(Player.possessions[index]->plus) - 1;
if (used) {
setgamestatus(SUPPRESS_PRINTING);
Player.possessions[index]->used = TRUE;
item_use(Player.possessions[index]);
resetgamestatus(SUPPRESS_PRINTING);
}
}
}
else {
index = getitem(NULL_ITEM);
if (index == CASHVALUE) {
print1("Blessing your money has no effect.");
morewait();
}
else if (index != ABORT) {
used = (Player.possessions[index]->used == TRUE);
if (used) {
setgamestatus(SUPPRESS_PRINTING);
Player.possessions[index]->used = FALSE;
item_use(Player.possessions[index]);
resetgamestatus(SUPPRESS_PRINTING);
}
print1("A pure white light surrounds the item... ");
if (Player.possessions[index]->blessing < 0-(blessing+1)) {
print2("which is evil enough to resist the effect of the blessing!");
morewait();
}
else if (Player.possessions[index]->blessing < -1) {
print2("which disintegrates under the influence of the holy aura!");
morewait();
Player.itemweight -= Player.possessions[index]->weight;
dispose_lost_objects(1,Player.possessions[index]);
}
else if (Player.possessions[index]->blessing < blessing+1) {
print2("which now seems affected by afflatus!");
morewait();
Player.possessions[index]->blessing++;
Player.possessions[index]->plus =
abs(Player.possessions[index]->plus)+1;
}
else {
print2("The hierolux fades without any appreciable effect....");
morewait();
}
if (used && (Player.possessions[index] != NULL)) {
setgamestatus(SUPPRESS_PRINTING);
Player.possessions[index]->used = TRUE;
item_use(Player.possessions[index]);
resetgamestatus(SUPPRESS_PRINTING);
}
}
}
calc_melee();
}
void heal(int amount)
{
if (amount > -1) {
mprint("You feel better.");
if (Player.hp < Player.maxhp + amount)
{
Player.hp += random_range(10*amount)+1;
if (Player.hp > Player.maxhp)
Player.hp = Player.maxhp + amount;
}
Player.status[BLINDED] = 0;
}
else {
mprint("You feel unwell.");
Player.hp -= random_range(10*abs(amount)+1);
if (Player.hp < 0)
p_death("magical disruption");
}
dataprint();
}
void fbolt(int fx, int fy, int tx, int ty, int hit, int dmg)
{
bolt(fx,fy,tx,ty,hit,dmg,FLAME);
}
void lbolt(int fx, int fy, int tx, int ty, int hit, int dmg)
{
bolt(fx,fy,tx,ty,hit,dmg,ELECTRICITY);
}
/* Added 12/30/98 DG */
void icebolt(int fx, int fy, int tx, int ty, int hit, int dmg)
{
bolt(fx,fy,tx,ty,hit,dmg,COLD);
}
void nbolt(int fx, int fy, int tx, int ty, int hit, int dmg)
{
bolt(fx,fy,tx,ty,hit,dmg,NORMAL_DAMAGE);
}
/* from f to t */
void bolt(int fx, int fy, int tx, int ty, int hit, int dmg, int dtype)
{
int xx,yy;
struct monster *target;
Symbol boltchar = '?';
xx = fx; yy = fy;
switch(dtype) {
case FLAME:boltchar=('*' | CLR(LIGHT_RED));break;
case ELECTRICITY:boltchar = ('^' | CLR(LIGHT_BLUE));break;
case NORMAL_DAMAGE:boltchar = ('!' | CLR(BROWN));break;
case COLD:boltchar=('o' | CLR(WHITE));break;
default:assert(FALSE); /* this should never happen, right? WDT */
}
clearmsg();
do_los(boltchar,&xx,&yy,tx,ty);
if ((xx == Player.x) && (yy == Player.y)) {
if (Player.status[DEFLECTION] > 0)
mprint("The bolt just missed you!");
else {
switch (dtype) {
case FLAME:
mprint("You were blasted by a firebolt!");
p_damage(random_range(dmg),dtype,"a firebolt");
break;
case ELECTRICITY:
mprint("You were zapped by lightning!");
p_damage(random_range(dmg),dtype,"a bolt of lightning");
break;
case NORMAL_DAMAGE:
mprint("You were hit by a missile!");
p_damage(random_range(dmg),dtype,"a missile");
break;
case COLD:
mprint("You were hit by an icicle!");
p_damage(random_range(dmg),dtype,"an icicle");
break;
}
}
}
else if (NULL != (target = Level->site[xx][yy].creature)) {
if (hitp(hit,target->ac)) {
if (target->uniqueness == COMMON) {
strcpy(Str1,"The ");
strcat(Str1,target->monstring);
}
else strcpy(Str1,target->monstring);
switch (dtype) {
/* WDT: these sentances really ought to be livened up. Especially
* in full verbose mode. */
case FLAME:strcat(Str1," was blasted by a firebolt!");break;
case ELECTRICITY:strcat(Str1," was zapped by lightning!");break;
case NORMAL_DAMAGE:strcat(Str1," was hit by a missile!"); break;
case COLD:strcat(Str1," was hit by an icicle!"); break;
}
mprint(Str1);
m_status_set(target,HOSTILE);
m_damage(target,random_range(dmg),dtype);
}
else {
if (target->uniqueness == COMMON) {
strcpy(Str1,"The ");
strcat(Str1,target->monstring);
}
else strcpy(Str1,target->monstring);
switch (dtype) {
case FLAME:strcat(Str1," was missed by a firebolt!");break;
case ELECTRICITY:strcat(Str1," was missed by lightning!");break;
case NORMAL_DAMAGE:strcat(Str1," was missed by a missile!"); break;
case COLD:strcat(Str1," was missed by a flying icicle!"); break;
}
mprint(Str1);
}
}
else if (Level->site[xx][yy].locchar == HEDGE)
if (Level->site[xx][yy].p_locf != L_TRIFID) {
if ((dtype == FLAME)||(dtype == ELECTRICITY)) {
mprint("The hedge is blasted away!");
Level->site[xx][yy].p_locf = L_NO_OP;
Level->site[xx][yy].locchar = FLOOR;
plotspot(xx, yy, TRUE);
lset(xx, yy, CHANGED);
}
else mprint("The hedge is unaffected.");
}
else mprint("The trifid absorbs the energy and laughs!");
else if (Level->site[xx][yy].locchar == WATER)
if (dtype == FLAME) {
mprint("The water is vaporised!");
Level->site[xx][yy].p_locf = L_NO_OP;
Level->site[xx][yy].locchar = FLOOR;
lset(xx, yy, CHANGED);
}
}
void lball(int fx, int fy, int tx, int ty, int dmg)
{
ball(fx,fy,tx,ty,dmg,ELECTRICITY);
}
void manastorm(int x, int y, int dmg)
{
ball(x,y,x,y,dmg,UNSTOPPABLE);
}
void snowball(int fx, int fy, int tx, int ty, int dmg)
{
ball(fx,fy,tx,ty,dmg,COLD);
}
void fball(int fx, int fy, int tx, int ty, int dmg)
{
ball(fx,fy,tx,ty,dmg,FLAME);
}
/* from f to t */
void ball(int fx, int fy, int tx, int ty, int dmg, int dtype)
{
int xx,yy,ex,ey,i;
struct monster *target;
Symbol expchar=('@' | CLR(LIGHT_PURPLE));
xx = fx; yy = fy;
switch(dtype){
case FLAME:expchar=('*' | CLR(LIGHT_RED));break;
case COLD:expchar=('o' | CLR(WHITE));break;
case ELECTRICITY:expchar=('^' | CLR(LIGHT_BLUE));break;
}
do_los(expchar,&xx,&yy,tx,ty);
draw_explosion(expchar,xx,yy);
for(i=0;i<9;i++) {
ex = xx + Dirs[0][i];
ey = yy + Dirs[1][i];
if ((ex == Player.x) && (ey == Player.y)) {
switch(dtype) {
case FLAME:mprint("You were blasted by a fireball!");
p_damage(random_range(dmg),FLAME,"a fireball");
break;
case COLD:mprint("You were blasted by a snowball!");
p_damage(random_range(dmg),COLD,"a snowball");
break;
case ELECTRICITY:mprint("You were blasted by ball lightning!");
p_damage(random_range(dmg),ELECTRICITY,"ball lightning");
break;
case UNSTOPPABLE:mprint("Oh No! Manastorm!");
p_damage(random_range(dmg),UNSTOPPABLE,"a manastorm!");
break;
}
}
if (NULL != (target = Level->site[ex][ey].creature)) {
if (los_p(Player.x,Player.y,target->x,target->y)) {
if (target->uniqueness == COMMON) {
strcpy(Str1,"The ");
strcat(Str1,target->monstring);
}
else strcpy(Str1,target->monstring);
switch(dtype) {
case FLAME:strcat(Str1," was zorched by a fireball!"); break;
case COLD:strcat(Str1," was blasted by a snowball!"); break;
case ELECTRICITY:strcat(Str1," was zapped by ball lightning!");break;
case UNSTOPPABLE:strcat(Str1," was nuked by a manastorm!");break;
}
mprint(Str1);
}
m_status_set(target,HOSTILE);
m_damage(target,random_range(dmg),dtype);
}
if (Level->site[ex][ey].locchar == HEDGE)
if (Level->site[ex][ey].p_locf != L_TRIFID) {
if ((dtype == FLAME)||(dtype == ELECTRICITY)) {
mprint("The hedge is blasted away!");
Level->site[ex][ey].p_locf = L_NO_OP;
Level->site[ex][ey].locchar = FLOOR;
plotspot(ex,ey,TRUE);
lset(ex, ey, CHANGED);
}
else mprint("The hedge is unaffected.");
}
else mprint("The trifid absorbs the energy and laughs!");
else if (Level->site[ex][ey].locchar == WATER)
if (dtype == FLAME) {
mprint("The water is vaporised!");
Level->site[ex][ey].p_locf = L_NO_OP;
Level->site[ex][ey].locchar = FLOOR;
plotspot(ex,ey,TRUE);
lset(ex, ey, CHANGED);
}
}
}
void mondet(int blessing)
{
pml ml;
for (ml=Level->mlist;ml!=NULL;ml=ml->next)
if (ml->m->hp > 0) /* FIXED 12/30/98 DG */
{
if (blessing > -1)
plotmon(ml->m);
else
putspot(random_range(Level->level_width), random_range(Level->level_length),
Monsters[random_range(NUMMONSTERS)].monchar);
}
levelrefresh();
morewait();
show_screen();
}
void objdet(int blessing)
{
int i,j;
for (i=0;i<Level->level_width;i++)
for (j=0;j<Level->level_length;j++)
if (Level->site[i][j].things != NULL) {
if (blessing < 0)
putspot(random_range(Level->level_width),
random_range(Level->level_length),
Level->site[i][j].things->thing->objchar);
else putspot(i,j,Level->site[i][j].things->thing->objchar);
}
levelrefresh();
morewait();
show_screen();
}
void identify(int blessing)
{
int index;
clearmsg();
if (blessing == 0) {
index = getitem_prompt("Identify: ", NULL_ITEM);
if (index == CASHVALUE) print3("Your money is really money.");
else if (index == ABORT)
setgamestatus(SKIP_MONSTERS);
else {
if (Player.possessions[index]->objchar == FOOD)
Player.possessions[index]->known = 1;
else {
Player.possessions[index]->known = 2;
Objects[Player.possessions[index]->id].known = 1;
}
print1("Identified: ");
mprint(itemid(Player.possessions[index]));
}
}
else if (blessing < 0) {
print2("You feel forgetful.");
for (index=0;index<MAXITEMS;index++)
if (Player.possessions[index] != NULL) {
Player.possessions[index]->known = 0;
Objects[Player.possessions[index]->id].known = 0;
}
}
else {
print2("You feel encyclopaedic.");
for (index=0;index<MAXITEMS;index++)
if (Player.possessions[index] != NULL) {
if (Player.possessions[index]->objchar == FOOD)
Player.possessions[index]->known = 1;
else {
Player.possessions[index]->known = 2;
Objects[Player.possessions[index]->id].known = 1;
}
}
for (index=0;index<Player.packptr;index++)
if (Player.pack[index] != NULL) {
if (Player.pack[index]->objchar == FOOD)
Player.pack[index]->known = 1;
else {
Player.pack[index]->known = 2;
Objects[Player.pack[index]->id].known = 1;
}
}
}
calc_melee();
}
/* returns index of random item, ABORT if player carrying none */
int random_item(void)
{
int item = ABORT,tries=0;
int number = 0;
for(tries=0; tries<MAXITEMS; tries++)
if (Player.possessions[tries] != NULL) {
number++;
if (random_range(number) == 0)
item = tries;
}
return(item);
}
/* returns index of an item to steal, ABORT if player carrying none */
int stolen_item(void)
{
int idx;
int nextitem;
int cards[MAXITEMS];
nextitem = 0;
/* look for bank cards */
for (idx = 0; idx < MAXITEMS; ++idx)
{
if (0 == Player.possessions[idx]) continue;
if (Player.possessions[idx]->id < OB_DEBIT_CARD) continue;
if (Player.possessions[idx]->id > OB_SMART_CARD) continue;
cards[nextitem++] = idx;
}
if (0 == nextitem) return random_item();
if (nextitem > 1)
shuffle(cards, nextitem);
if (random_range(100) < 75)
{
/* oh that sucks... */
return cards[0];
}
return random_item();
}
/* various kinds of wishes */
void wish(int blessing)
{
int i;
char wishstr[80];
clearmsg();
print1("What do you wish for? ");
if (blessing < 0)
deathprint();
else
strcpy(wishstr,msgscanstring());
if (blessing < 0 || strcmp(wishstr,"Death")==0) {
print2("As you wish, so shall it be.");
p_death("a deathwish");
}
if (strcmp(wishstr,"Power")==0) {
print2("You feel a sudden surge of energy");
Player.mana=calcmana()*10;
}
else if (strcmp(wishstr,"Skill")==0) {
print2("You feel more competent.");
if (gamestatusp(CHEATED))
gain_experience(10000);
else
gain_experience(min(10000,Player.xp));
}
else if (strcmp(wishstr,"Wealth")==0) {
print2("You are submerged in shower of gold pieces!");
Player.cash += 10000;
}
else if (strcmp(wishstr,"Balance")==0) {
print2("You feel neutral.");
Player.alignment = 0;
}
else if (strcmp(wishstr,"Chaos")==0) {
print2("You feel chaotic.");
Player.alignment -= 25;
}
else if (strcmp(wishstr,"Law")==0) {
print2("You feel lawful.");
Player.alignment += 25;
}
else if (strcmp(wishstr,"Location")==0)
strategic_teleport(1);
else if (strcmp(wishstr,"Knowledge")==0) {
print2("You feel more knowledgeable.");
i = random_range(NUMSPELLS);
if (Spells[i].known)
Spells[i].powerdrain =
(max(1,Spells[i].powerdrain/2));
else Spells[i].known = TRUE;
}
else if (strcmp(wishstr,"Health")==0) {
print2("You feel vigorous");
Player.hp = max( Player.hp, Player.maxhp);
Player.status[DISEASED] = 0;
Player.status[POISONED] = 0;
Player.food = 43;
/* Wish for Health when starving does some good. PGM */
}
else if (strcmp(wishstr,"Destruction")==0)
annihilate(gamestatusp(CHEATED));
else if (strcmp(wishstr,"Acquisition")==0)
acquire(gamestatusp(CHEATED));
else if (strcmp(wishstr,"Summoning")==0)
summon(gamestatusp(CHEATED),-1);
else if (strcmp(wishstr,"Stats") == 0 && gamestatusp(CHEATED))
{
Player.str = Player.maxstr = Player.con = Player.maxcon =
Player.agi = Player.maxagi = Player.dex = Player.maxdex =
Player.iq = Player.maxiq = Player.pow = Player.maxpow = 200;
calc_melee();
}
else print2("You feel stupid.");
dataprint();
showflags();
}
/* gain for an item */
void acquire(int blessing)
{
char otype;
int index,id = ABORT;
pob newthing;
if (blessing < 0) {
index = random_item();
if (index == ABORT)
mprint("You feel fortunate.");
else {
print1("Smoke drifts out of your pack.... ");
print2("Destroyed: ");
nprint2(itemid(Player.possessions[index]));
morewait();
dispose_lost_objects(1,Player.possessions[index]);
}
}
else {
newthing = ((pob) checkmalloc(sizeof(objtype)));
/* DAG this assignment looks unneccessary */
newthing->id = -1;
if (gamestatusp(CHEATED))
print1("Acquire which kind of item: !?][}{)/=%%\\& ");
else
print1("Acquire which kind of item: !?][}{)/=%%\\ ");
otype = mgetc();
switch (otype) {
case (POTION&0xff):
if (blessing > 0)
id = itemlist(POTIONID,NUMPOTIONS);
else
id = random_range(NUMPOTIONS);
if (id < 0) print2("You feel stupid.");
else make_potion(newthing,id);
break;
case (SCROLL&0xff):
if (blessing > 0)
id = itemlist(SCROLLID,NUMSCROLLS);
else
id = random_range(NUMSCROLLS);
if (id < 0) print2("You feel stupid.");
else make_scroll(newthing,id);
break;
case (RING&0xff):
if (blessing > 0)
id = itemlist(RINGID,NUMRINGS);
else
id = random_range(NUMRINGS);
if (id < 0) print2("You feel stupid.");
else make_ring(newthing,id);
break;
case (STICK&0xff):
if (blessing > 0)
id = itemlist(STICKID,NUMSTICKS);
else
id = random_range(NUMSTICKS);
if (id < 0) print2("You feel stupid.");
else make_stick(newthing,id);
break;
case (ARMOR&0xff):
if (blessing > 0)
id = itemlist(ARMORID,NUMARMOR);
else
id = random_range(NUMARMOR);
if (id < 0) print2("You feel stupid.");
else make_armor(newthing,id);
break;
case (SHIELD&0xff):
if (blessing > 0)
id = itemlist(SHIELDID,NUMSHIELDS);
else
id = random_range(NUMSHIELDS);
if (id < 0) print2("You feel stupid.");
else make_shield(newthing,id);
break;
case (WEAPON&0xff):
if (blessing > 0)
id = itemlist(WEAPONID,NUMWEAPONS);
else
id = random_range(NUMWEAPONS);
if (id < 0) print2("You feel stupid.");
else make_weapon(newthing,id);
break;
case (BOOTS&0xff):
if (blessing > 0)
id = itemlist(BOOTID,NUMBOOTS);
else
id = random_range(NUMBOOTS);
if (id < 0) print2("You feel stupid.");
else make_boots(newthing,id);
break;
case (CLOAK&0xff):
if (blessing > 0)
id = itemlist(CLOAKID,NUMCLOAKS);
else
id = random_range(NUMCLOAKS);
if (id < 0) print2("You feel stupid.");
else make_cloak(newthing,id);
break;
case (FOOD&0xff):
if (blessing > 0)
id = itemlist(FOODID,NUMFOODS);
else
id = random_range(NUMFOODS);
if (id < 0) print2("You feel stupid.");
else make_food(newthing,id);
break;
case (THING&0xff):
if (blessing > 0)
id = itemlist(THINGID,NUMTHINGS);
else
id = random_range(NUMTHINGS);
if (id < 0) print2("You feel stupid.");
else make_thing(newthing,id);
break;
case (ARTIFACT&0xff):
if (gamestatusp(CHEATED))
id = itemlist(ARTIFACTID,NUMARTIFACTS);
else
id = -1;
if (id < 0) print2("You feel stupid.");
else make_artifact(newthing,id);
break;
default:
print2("You feel stupid.");
}
xredraw();
if (id != ABORT) {
if (blessing > 0) {
newthing->known = 2;
Objects[id].known = 1;
}
newthing->used = FALSE;
gain_item(newthing);
}
else
{
/* DAG newthing allocated but was not freed... was YA memory leak */
/* use free() rather than free_obj() since newthing not initialized */
free( (char *) newthing );
}
}
}
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