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DEMO.C
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DEMO.C
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#include <stdio.h>
#include <string.h>
#include "file.h"
#include "tiledefs.h"
#include "gfx.h"
typedef struct {
WORD crack,groan,magic,plateoff,plateon,scrape,water,lava,splinter,glass;
} SFX;
#define abs(x) ((x)<0?-(x):(x))
#define PUSHDELAY 25
SFX sfx;
struct GameVars gamevars;
WORD editxc=0, edityc=0;
WORD under[23][23],over[23][23],pitcode[23][23];
WORD tilemenu[10];
char NumberString[]={"1234567890"};
WORD letgo1; //user: let go of mouse button #1!
WORD copysidebar=0;
WORD redgems,greengems,bluegems,yellowgems,redkeys,greenkeys,bluekeys;
extern unsigned char keytable[256];
struct PitCode pitcodedef[MAXPITCODE];
#ifdef _amigapits_
__far unsigned char code[MAXCODEMEMORY];
#endif
#ifdef _ibmpits_
unsigned char far code[32768];
#endif
UWORD totalcode;
#define COMPILEGAME 1
WORD walkable[100+1];
WORD path[23][23],lastpushed[23][23],arrows[442],plates[442];
WORD lastpathx,lastpathy;
WORD pcmaster,pcintro,pcredg,pcgreeng,pcblueg;
WORD regs[NUMREGISTERS];
CHAR inline[80];
WORD levelnotdone,levelrepeat,levelwon;
WORD mouseinput=1;
WORD firsttime,juststartedgame;
WORD GetRegVal(CodePtr **pos);
void SetRegVal(CodePtr **pos, WORD newvalue);
void RunPitCode(WORD index,WORD x,WORD y,WORD onoff);
void CheckGameTileLogic(WORD x,WORD y);
void PrintText(CodePtr *pos,WORD len,WORD input);
void StoneText(WORD x,WORD y,CHAR *str,WORD n,WORD c);
void ShadowText(WORD x,WORD y,CHAR *str,WORD n,WORD c);
void SetupGame(void);
void DrawItemBox(WORD x,WORD y,WORD image,WORD quantity,WORD fnkey);
void UpdateItem(WORD image);
void DrawSideBar(void);
WORD GameLoadLevel(void);
WORD ProcessLevel(void);
void MagicEye(void);
void Gdrall(void);
void CheckUnderGuy(void);
void CheckStuff(void);
void PathFind(WORD xdest,WORD ydest);
void CheckAutoWalk(void);
void MoveObject(WORD sx,WORD sy,WORD dx,WORD dy);
void MoveGuy(WORD dx,WORD dy);
void CheckGuy();
void IncrementLevel(void);
void CheckLevelDone(void);
void GameMainLoop(void);
main()
{
WORD x;
char firstlvl[]={'D'-6,'e'-8,'m'-10,'o'-12,'0'-14,'1'-16,0};
if(firstlvl[0]!='D'){
for(x=0;firstlvl[x]!=0;x++) firstlvl[x]+=6+2*x; /* Decrypt */
}
if(cryptkey[0]!='M'){
for(x=0;cryptkey[x]!=0;x++) cryptkey[x]+=4*x+4;
}
gfxInit();
ChangeMouse(BLANKPOINTER);
LoadShapes("gametiles",0);
LoadScreen(0);
SetPalette(2);
FadeIn();
Pause(120);
Clear(LOGIC);
FadeIn();
inkey=0xff;
ChangeMouse(BLANKPOINTER);
strcpy(gamevars.level,firstlvl);
SetPalette(1);
GameMainLoop();
Clear(LOGIC);
FadeIn();
FreeShapes();
cleanExit(RET_OK);
return 0;
}
void ReadRun(FILE *fp,WORD *data)
{
UBYTE n;
WORD i,tile;
for(i=0;i<24;i++) data[i]=0;
while(i<505){
n=ReadUByte(fp);
tile=(WORD) ReadUByte(fp);
while(n>0){
data[i++]=tile;
if((i+1)%23==0){
data[i++]=0;
data[i++]=0;
}
n--;
}
}
}
WORD GetRegVal(CodePtr **pos){
WORD cmd,x,y;
cmd=**pos;
*pos+=1;
if(cmd<=200){
if(cmd<=100){
return cmd;
}else{
return (WORD) (cmd-201);
}
}else{
if(cmd<=REG_HECTOMOVES){
return regs[cmd-201];
}else{
switch(cmd){
case REG_WALKABLE:
x=GetRegVal(pos);
return walkable[Max(x,0)];
case REG_DELTA:
x=GetRegVal(pos);
y=GetRegVal(pos);
return (WORD) (x+y);
case REG_UNDER:
x=GetRegVal(pos);
x=Min(Max(x,1),21);
y=GetRegVal(pos);
y=Min(Max(y,1),21);
return under[x][y];
case REG_OVER:
x=GetRegVal(pos);
x=Min(Max(x,1),21);
y=GetRegVal(pos);
y=Min(Max(y,1),21);
if(x==regs[REG_XGUY-201] && y==regs[REG_YGUY-201] && (gamevars.greengemon==0 || pcgreeng>=0)) return 100;
return over[x][y];
case REG_LASTPUSHED:
x=GetRegVal(pos);
x=Min(Max(x,1),21);
y=GetRegVal(pos);
y=Min(Max(y,1),21);
return lastpushed[x][y];
case REG_REDGEMON:
return gamevars.redgemon;
case REG_GREENGEMON:
return gamevars.greengemon;
case REG_BLUEGEMON:
return gamevars.bluegemon;
}
}
}
return 0;
}
void SetRegVal(CodePtr **pos, WORD newvalue)
{
WORD cmd,x,y;
cmd=**pos;
*pos+=1;
if(cmd>200){
if(cmd<=REG_HECTOMOVES){
regs[cmd-201]=newvalue;
if(cmd>=REG_REDGEMS && cmd<=REG_REDKEYS){
UpdateItem(cmd-REG_REDGEMS+REDGEM);
copysidebar=1;
}
}else{
switch(cmd){
case REG_WALKABLE:
x=GetRegVal(pos);
walkable[Max(x,0)]=newvalue;
break;
case REG_DELTA:
x=GetRegVal(pos);
y=GetRegVal(pos);
//do nothing else (can't set delta!)
break;
case REG_UNDER:
x=GetRegVal(pos);
x=Min(Max(x,1),21);
y=GetRegVal(pos);
y=Min(Max(y,1),21);
under[x][y]=Min(Max(newvalue,0),100);
lastpushed[x][y]=-1;
CheckGameTileLogic(x,y);
if(newvalue>=60 && newvalue<=63){
x=y*21+x;
y=0;
while(arrows[y]){
if(arrows[y]==x) break;
y++;
}
if(!arrows[y]){
arrows[y++]=x;
arrows[y]=0;
}
}
break;
case REG_OVER:
x=GetRegVal(pos);
x=Min(Max(x,1),21);
y=GetRegVal(pos);
y=Min(Max(y,1),21);
over[x][y]=Min(Max(newvalue,0),100);
lastpushed[x][y]=-1;
CheckGameTileLogic(x,y);
break;
case REG_LASTPUSHED:
x=GetRegVal(pos);
x=Min(Max(x,1),21);
y=GetRegVal(pos);
y=Min(Max(y,1),21);
lastpushed[x][y]=newvalue;
break;
}
}
}
}
void RunPitCode(WORD index,WORD x,WORD y,WORD onoff){
CodePtr *pos,*oldpos,*destpos;
WORD cmd,a,b,c,stkptr,notdone,x1,x2,y1,y2,z;
WORD overtile;
CodePtr *loopstack[32];
if(index==-1 || index==0xff) return;
pos=pitcodedef[index].codeptr;
if(pos==NULLADDR) return;
stkptr=0;
notdone=1;
regs[REG_XPOS-201]=x;
regs[REG_YPOS-201]=y;
while(notdone){
cmd=(CodePtr) *pos;
pos+=1;
switch(cmd){
case 0:
notdone=0;
break;
case CMD_ENDIF:
break;
case CMD_NEXT:
pos=loopstack[--stkptr];
oldpos=pos;
a=GetRegVal(&pos);
b=GetRegVal(&pos);
c=GetRegVal(&pos);
if(c>b){ //loop forward
if(a<c){
loopstack[stkptr++]=oldpos;
SetRegVal(&oldpos,a+1);
pos+=2;
}else{
pos+=((pos[0])<<8)+pos[1];
}
}else{ //loop reverse
if(a>c){
loopstack[stkptr++]=oldpos;
SetRegVal(&oldpos,a-1);
pos+=2;
}else{
pos+=((pos[0])<<8)+pos[1];
}
}
break;
case CMD_ELSE:
pos+=((pos[0])<<8)+pos[1];
break;
case CMD_SWITCHOFF:
if(onoff==1) return;
break;
case CMD_SWITCHON:
if(onoff==1){
pos+=2;
}else{
pos+=((pos[0])<<8)+pos[1];
}
break;
case CMD_IFEQ:
a=GetRegVal(&pos);
b=GetRegVal(&pos);
if(a!=b){
pos+=((pos[0])<<8)+pos[1];
if(*pos==CMD_ELSE) pos+=3;
}else{
pos+=2;
}
break;
case CMD_IFLT:
a=GetRegVal(&pos);
b=GetRegVal(&pos);
if(a>=b){
pos+=((pos[0])<<8)+pos[1];
if(*pos==CMD_ELSE) pos+=3;
}else{
pos+=2;
}
break;
case CMD_IFGT:
a=GetRegVal(&pos);
b=GetRegVal(&pos);
if(a<=b){
pos+=((pos[0])<<8)+pos[1];
if(*pos==CMD_ELSE) pos+=3;
}else{
pos+=2;
}
break;
case CMD_IFLE:
a=GetRegVal(&pos);
b=GetRegVal(&pos);
if(a>b){
pos+=((pos[0])<<8)+pos[1];
if(*pos==CMD_ELSE) pos+=3;
}else{
pos+=2;
}
break;
case CMD_IFGE:
a=GetRegVal(&pos);
b=GetRegVal(&pos);
if(a<b){
pos+=((pos[0])<<8)+pos[1];
if(*pos==CMD_ELSE) pos+=3;
}else{
pos+=2;
}
break;
case CMD_IFNE:
a=GetRegVal(&pos);
b=GetRegVal(&pos);
if(a==b){
pos+=((pos[0])<<8)+pos[1];
if(*pos==CMD_ELSE) pos+=3;
}else{
pos+=2;
}
break;
case CMD_IFINPUT:
a=((pos[0])<<8)+pos[1];
pos+=2;
if(strnicmp(&pos[2],inline,a)!=0){
pos+=((pos[0])<<8)+pos[1];
if(*pos==CMD_ELSE) pos+=3;
}else{
pos+=2+a;
}
break;
case CMD_FORLOOP:
loopstack[stkptr++]=pos;
oldpos=pos;
a=GetRegVal(&pos);
b=GetRegVal(&pos);
c=GetRegVal(&pos);
SetRegVal(&oldpos,b); //set loop counter to first index
pos+=2; //first cmd inside loop!
break;
case CMD_REDRAW:
Gdrall();
ScreenSwap();
if(copysidebar) {ScreenCopySidebar(); copysidebar=0;}
break;
case CMD_APPEAR:
sfx.magic=1;
Gdrall();
FadeIn();
break;
case CMD_STOP:
notdone=0;
break;
case CMD_WIN:
levelnotdone=0;
levelwon=1;
notdone=0;
break;
case CMD_TARGET:
while(button1 || keytable[F1KEY]) CheckMouse();
ChangeMouse(CROSSHAIRS);
if(!mouseinput) SetMousePos(108,84);
do{
Gdrall();
ScreenSwap();
if(copysidebar) {ScreenCopySidebar(); copysidebar=0;}
CheckMouse();
if(inkey==28) SetMousePos((mx/24)*24+12,(my/24)*24-24+12);
if(inkey==29) SetMousePos((mx/24)*24+12,(my/24)*24+24+12);
if(inkey==30) SetMousePos((mx/24)*24+24+12,(my/24)*24+12);
if(inkey==31) SetMousePos((mx/24)*24-24+12,(my/24)*24+12);
inkey=0xff;
}while((!button1 && !keytable[CRKEY] && !keytable[F1KEY]) ||
mx>=216 || my>=168);
ChangeMouse(BUSYPOINTER);
x1=mx/24-4+regs[REG_XGUY-201];
y1=my/24-3+regs[REG_YGUY-201];
if(x1<1 || x1>21 || y1<1 || y1>21){
x1=0;
y1=0;
}
regs[REG_XPOS-201]=x1;
regs[REG_YPOS-201]=y1;
while(button1 || keytable[CRKEY] || keytable[F1KEY]) CheckMouse();
inkey=0xff;
break;
case CMD_REDGEMOFF:
if(gamevars.redgemon){
gamevars.redgemon=0;
RunPitCode(pcredg,0,0,0);
regs[REG_REDGEMS-201]--;
UpdateItem(REDGEM);
copysidebar=1;
}
break;
case CMD_GREENGEMOFF:
if(gamevars.greengemon){
gamevars.greengemon=0;
RunPitCode(pcgreeng,0,0,0);
regs[REG_GREENGEMS-201]--;
UpdateItem(GREENGEM);
copysidebar=1;
}
break;
case CMD_BLUEGEMOFF:
if(gamevars.bluegemon){
gamevars.bluegemon=0;
RunPitCode(pcblueg,0,0,0);
regs[REG_BLUEGEMS-201]--;
UpdateItem(BLUEGEM);
copysidebar=1;
}
break;
case CMD_POPUP:
under[x][y]=OFFPLATE;
sfx.plateoff=1;
break;
case CMD_LET:
oldpos=pos;
a=GetRegVal(&pos);
b=GetRegVal(&pos);
SetRegVal(&oldpos,b);
break;
case CMD_ADD:
oldpos=pos;
a=GetRegVal(&pos);
b=GetRegVal(&pos);
SetRegVal(&oldpos,a+b);
break;
case CMD_SUB:
oldpos=pos;
a=GetRegVal(&pos);
b=GetRegVal(&pos);
SetRegVal(&oldpos,a-b);
break;
case CMD_MUL:
oldpos=pos;
a=GetRegVal(&pos);
b=GetRegVal(&pos);
SetRegVal(&oldpos,a*b);
break;
case CMD_DIV:
oldpos=pos;
a=GetRegVal(&pos);
b=GetRegVal(&pos);
if(b!=0){
SetRegVal(&oldpos,a/b);
}else{
SetRegVal(&oldpos,0);
}
break;
case CMD_SWAPOVER:
x1=GetRegVal(&pos);
y1=GetRegVal(&pos);
x2=GetRegVal(&pos);
y2=GetRegVal(&pos);
if(x1>=1 && y1>=1 && x1<=21 && y1<=21 &&
x2>=1 && y2>=1 && x2<=21 && y2<=21){
a=over[x1][y1];
over[x1][y1]=over[x2][y2];
over[x2][y2]=a;
a=lastpushed[x1][y1];
lastpushed[x1][y1]=lastpushed[x2][y2];
lastpushed[x2][y2]=a;
if(x1==regs[REG_XGUY-201] && y1==regs[REG_YGUY-201]){
regs[REG_XGUY-201]=x2;
regs[REG_YGUY-201]=y2;
}else{
if(x2==regs[REG_XGUY-201] && y2==regs[REG_YGUY-201]){
regs[REG_XGUY-201]=x1;
regs[REG_YGUY-201]=y1;
}
}
CheckGameTileLogic(x1,y1);
CheckGameTileLogic(x2,y2);
}
break;
case CMD_SWAPUNDER:
x1=GetRegVal(&pos);
y1=GetRegVal(&pos);
x2=GetRegVal(&pos);
y2=GetRegVal(&pos);
if(x1>=1 && y1>=1 && x1<=21 && y1<=21 &&
x2>=1 && y2>=1 && x2<=21 && y2<=21){
a=under[x1][y1];
under[x1][y1]=under[x2][y2];
under[x2][y2]=a;
a=lastpushed[x1][y1];
lastpushed[x1][y1]=lastpushed[x2][y2];
lastpushed[x2][y2]=a;
CheckGameTileLogic(x1,y1);
CheckGameTileLogic(x2,y2);
}
break;
case CMD_GOTO:
x1=GetRegVal(&pos);
y1=GetRegVal(&pos);
x2=GetRegVal(&pos);
y2=GetRegVal(&pos);
if(x1>=1 && y1>=1 && x1<=21 && y1<=21){
a=pitcode[x1][y1];
if(a<0xff){
pos=pitcodedef[a].codeptr;
regs[REG_XPOS-201]=x2;
regs[REG_YPOS-201]=y2;
if(pos==0) notdone=0;
}else{
notdone=0;
}
}
break;
case CMD_CHANGEMAP:
a=((pos[0])<<8)+pos[1];
pos+=2;
destpos=&pos[a];
while(pos<destpos){
x1=GetRegVal(&pos);
y1=GetRegVal(&pos);
z=GetRegVal(&pos);
overtile=over[x1][y1];
if(z>=0 && z<=100){
if(z<53 || z==100){ //new overtile
switch(overtile){
case BLUEBARREL: gamevars.bluecount--; break;
case REDCRATE: gamevars.redcount--; break;
case GREENCHEST: gamevars.greencount--; break;
}
if(z==BLUEBARREL || z==REDCRATE || z==GREENCHEST){
z-=4; break;
}
over[x1][y1]=z;
}else{
under[x1][y1]=z;
if(z>=60 && z<=63){
x2=y1*21+x1;
y2=0;
while(arrows[y2]){
if(arrows[y2]==x2) break;
y2++;
}
if(!arrows[y2]){
arrows[y2++]=x2;
arrows[y2]=0;
}
}
}
lastpushed[x1][y1]=-1;
CheckGameTileLogic(x1,y1);
}else{
switch(z){
case CLEAR_ALL: //clear under & over
under[x1][y1]=EMPTYSPACE;
CheckGameTileLogic(x1,y1);
over[x1][y1]=EMPTYSPACE;
break;
case CLEAR_OVER: //clear over
over[x1][y1]=EMPTYSPACE;
CheckGameTileLogic(x1,y1);
break;
case CLEAR_UNDER: //clear under
under[x1][y1]=EMPTYSPACE;
CheckGameTileLogic(x1,y1);
break;
}
}
}
break;
case CMD_PRINT:
a=((pos[0])<<8)+pos[1];
pos+=2;
PrintText(pos,a,0);
pos+=a;
break;
case CMD_INPUT:
a=((pos[0])<<8)+pos[1];
pos+=2;
PrintText(pos,a,1);
pos+=a;
break;
}
}
}
void CheckGameTileLogic(WORD x,WORD y)
{
WORD undertile;
undertile=under[x][y];
switch(over[x][y]){
case BLUEBARREL: over[x][y]=BARREL;
gamevars.bluecount--;
break;
case REDCRATE: over[x][y]=CRATE;
gamevars.redcount--;
break;
case GREENCHEST: over[x][y]=CHEST;
gamevars.greencount--;
break;
case HOLEBARREL:
case WATERBARREL: over[x][y]=BARREL;
break;
}
switch(over[x][y]){
case BARREL: switch(undertile){
case EMPTYSPACE: over[x][y]=EMPTYSPACE; break;
case WATER: over[x][y]=WATERBARREL;
sfx.water=1;
break;
case LAVADEBRIS1:
case LAVADEBRIS2:
case LAVA: over[x][y]=EMPTYSPACE;
under[x][y]=LAVADEBRIS1;
sfx.lava=1;
break;
case BLUETARGET: over[x][y]=BLUEBARREL;
gamevars.bluecount++;
break;
case HOLE: over[x][y]=HOLEBARREL;
sfx.splinter=1;
break;
case WOOD: over[x][y]=HOLEBARREL;
sfx.splinter=1;
break;
} break;
case CRATE: switch(undertile){
case EMPTYSPACE: over[x][y]=EMPTYSPACE; break;
case WATER: over[x][y]=EMPTYSPACE;
sfx.water=1;
under[x][y]=WATERCRATE; break;
case LAVADEBRIS1:
case LAVADEBRIS2:
case LAVA: over[x][y]=EMPTYSPACE;
under[x][y]=LAVADEBRIS1;
sfx.lava=1;
break;
case REDTARGET: over[x][y]=REDCRATE;
gamevars.redcount++;
break;
case HOLE:
case WOOD: over[x][y]=EMPTYSPACE;
under[x][y]=HOLE;
sfx.splinter=1;
break;
} break;
case CHEST: switch(undertile){
case EMPTYSPACE: over[x][y]=EMPTYSPACE; break;
case GREENTARGET: over[x][y]=GREENCHEST;
gamevars.greencount++;
break;
case LAVA: under[x][y]=GLASS;
sfx.crack=1;
case HOLE: over[x][y]=EMPTYSPACE; break;
} break;
}
}
void PrintText(CodePtr *pos,WORD len,WORD input)
{
WORD tlen,i,s,y,backup,x,oldx,oldy;
char scanbuffer[80];
i=0;
oldx=mx; oldy=my; //old mouse position
while(i<len){
FilledFrame(0,0,216,168,3,6,5);
y=8;
while(y<164 && i<len){
tlen=4;
backup=0;
s=i;
while(tlen<205 && pos[i]!=10 && i<len){
tlen+=TxtLength(&pos[i],1);
if(pos[i]==' ') backup=1;
i++;
}
if(tlen>=205 && backup){
while(pos[i]!=' '){
i--;
}
}
if(i>s) StoneText(4,y,&pos[s],i-s,0);
y+=11;
while(pos[i]==' ') i++;
if(pos[i]==10) i++;
}
if(juststartedgame){
juststartedgame=0;
FadeIn();
}else{
ScreenSwap();
ScreenCopy();
if(copysidebar){ScreenCopySidebar(); copysidebar=0;}
}
SetMousePos(216,168);
ChangeMouse(BUSYPOINTER);
if(i>=len && input){ //get user input
x=0;
inkey=0xff;
while(inkey!=13){
Boxf(3,y-7,200,10,5);
StoneText(4,y,inline,x,0);
StoneText(4+TxtLength(inline,x),y,"_",1,0);
ScreenSwap();
inkey=0xff;
do{
CheckMouse();
}while(inkey==0xff);
if(inkey>=' ' && inkey<=126 && x<16){
inline[x++]=inkey;
}
if(inkey==8 && x>0) x--; //backspace
}
inline[x]=0; //null terminate string
strcpy(scanbuffer,inline);
sscanf(scanbuffer,"%d",®s[REG_INPUTVALUE-201]);
//SetMousePos(oldx,oldy); //Restore mouse as favor to keyboard users
}else{
inkey=0xff;
while(button1==1 || keytable[CRKEY] || keytable[SPKEY]) CheckMouse(); //let go, dammit!
while(button1==0 && !keytable[CRKEY] && !keytable[SPKEY]){
CheckMouse(); //okay, you can click now
}
while(button1==1 || keytable[CRKEY] || keytable[SPKEY]) CheckMouse(); //let go again
}
if(!mouseinput){
ChangeMouse(BLANKPOINTER);
SetMousePos(108,84);
}
ScreenCopy();
inkey=0xff;
}
}
void StoneText(WORD x,WORD y,CHAR *str,WORD n,WORD c)
{
SetColor(3);
Txt(x-1,y,str,n);
Txt(x,y+1,str,n);
SetColor(6);
Txt(x+1,y,str,n);
Txt(x,y-1,str,n);
SetColor(c);
Txt(x,y,str,n);
}
void ShadowText(WORD x,WORD y,CHAR *str,WORD n,WORD c)
{
SetColor(0);
Txt(x+1,y+1,str,n);
SetColor(c);
Txt(x,y,str,n);
}
void SetupGame(void)
{
DrawSideBar();
}
void DrawItemBox(WORD x,WORD y,WORD image,WORD quantity,WORD fnkey)
{
static char quanstring[6];
static tlen;
if(quantity==0){
Boxf(x-6,y,32,36,5);
}else{
Boxf(x,y+27,26,10,5); //Clear old text
OwnBlit();
Blit(LOGIC,x-6,y+1,fnkey);
BlitMask(LOGIC,x+1,y+1,image);
DisownBlit();
Frame(x,y,26,26,3,6);
if(quantity!=-1){
sprintf(quanstring,"%d",quantity);
tlen=TxtLength(quanstring,strlen(quanstring));
StoneText(x+((26-tlen)>>1),y+34,quanstring,strlen(quanstring),0);
}
}
}
void UpdateItem(WORD image)
{
switch(image){
case REDGEM:
if(gamevars.redgemon) DrawItemBox(223,89,REDGEMON,regs[REG_REDGEMS-201],F1SHAPE);
else DrawItemBox(223,89,REDGEM,regs[REG_REDGEMS-201],F1SHAPE);
break;
case GREENGEM:
if(gamevars.greengemon) DrawItemBox(255,89,GREENGEMON,regs[REG_GREENGEMS-201],F2SHAPE);
else DrawItemBox(255,89,GREENGEM,regs[REG_GREENGEMS-201],F2SHAPE);
break;
case BLUEGEM:
if(gamevars.bluegemon) DrawItemBox(287,89,BLUEGEMON,regs[REG_BLUEGEMS-201],F3SHAPE);
else DrawItemBox(287,89,BLUEGEM,regs[REG_BLUEGEMS-201],F3SHAPE);
break;
case YELLOWGEM:
if(gamevars.yellowgemon) DrawItemBox(287,51,YELLOWGEMON,regs[REG_YELLOWGEMS-201],F4SHAPE);
else DrawItemBox(287,51,YELLOWGEM,regs[REG_YELLOWGEMS-201],F4SHAPE);
break;
case REDKEY:
DrawItemBox(223,127,REDKEY,regs[REG_REDKEYS-201],F5SHAPE);
break;
case GREENKEY:
DrawItemBox(255,127,GREENKEY,regs[REG_GREENKEYS-201],F6SHAPE);
break;
case BLUEKEY:
DrawItemBox(287,127,BLUEKEY,regs[REG_BLUEKEYS-201],F7SHAPE);
break;
}
}
void DrawSideBar(void)
{
FilledFrame(216,0,104,168,3,6,5);
DrawItemBox(223,13,YIELD,-1,F9SHAPE);
DrawItemBox(287,13,STOP,-1,F10SHAPE);
if(gamevars.yellowgemon) DrawItemBox(287,51,YELLOWGEMON,regs[REG_YELLOWGEMS-201],F4SHAPE);
else DrawItemBox(287,51,YELLOWGEM,regs[REG_YELLOWGEMS-201],F4SHAPE);
if(gamevars.redgemon) DrawItemBox(223,89,REDGEMON,regs[REG_REDGEMS-201],F1SHAPE);
else DrawItemBox(223,89,REDGEM,regs[REG_REDGEMS-201],F1SHAPE);
if(gamevars.greengemon) DrawItemBox(255,89,GREENGEMON,regs[REG_GREENGEMS-201],F2SHAPE);
else DrawItemBox(255,89,GREENGEM,regs[REG_GREENGEMS-201],F2SHAPE);
if(gamevars.bluegemon) DrawItemBox(287,89,BLUEGEMON,regs[REG_BLUEGEMS-201],F3SHAPE);
else DrawItemBox(287,89,BLUEGEM,regs[REG_BLUEGEMS-201],F3SHAPE);
DrawItemBox(223,127,REDKEY,regs[REG_REDKEYS-201],F5SHAPE);
DrawItemBox(255,127,GREENKEY,regs[REG_GREENKEYS-201],F6SHAPE);
DrawItemBox(287,127,BLUEKEY,regs[REG_BLUEKEYS-201],F7SHAPE);
}
WORD GameLoadLevel(void)
{
FILE *fp;
char fname[40]=LEVELPATH;
static char key[]={'A'-5,'m'-10,'a'-15,'n'-20,'d'-25,'a'-30,0};
WORD numpitcode,magic,i,keypos;
if(key[0]!='A'){
for(i=0;key[i]!=0;i++) key[i]+=(i+1)*5;
}
strcat(fname,gamevars.level);
strcat(fname,".pit");
if(!Exists(fname)) return 0;
fp=ReadFile(fname);
magic=ReadWord(fp); //Magic Number
if(magic!=0x0895){
CloseFile(fp);
return 0;
}
ReadString(fp,gamevars.password);
ReadString(fp,gamevars.title);
if(strcmp(gamevars.title,"Unstable Ground")!=0 && strcmp(gamevars.title,"Remote Control")!=0){
CloseFile(fp);
return 0;
}
ReadRun(fp,(WORD *) under);
ReadRun(fp,(WORD *) over);
numpitcode=ReadWord(fp);
pcmaster=-1;
pcintro=-1;
pcredg=-1;
pcgreeng=-1;
pcblueg=-1;
if(numpitcode){
ReadRun(fp,(WORD *) pitcode);
while(numpitcode){
i=ReadWord(fp);
ReadString(fp,pitcodedef[i].name);
if(stricmp(pitcodedef[i].name,"Intro")==0) pcintro=i;
else if(stricmp(pitcodedef[i].name,"Master")==0) pcmaster=i;
else if(stricmp(pitcodedef[i].name,"RedGem")==0) pcredg=i;
else if(stricmp(pitcodedef[i].name,"GreenGem")==0) pcgreeng=i;
else if(stricmp(pitcodedef[i].name,"BlueGem")==0) pcblueg=i;
pitcodedef[i].codesize=ReadWord(fp);
pitcodedef[i].codeptr=ReadWord(fp)+code;
if(pitcodedef[i].codesize==0){
pitcodedef[i].codeptr=NULLADDR;
}
numpitcode--;
}
totalcode=ReadWord(fp);
ReadMem(fp,code,totalcode);
for(i=0,keypos=0;i<totalcode;i++){
code[i]^=key[keypos++];
if(key[keypos]==0) keypos=0;
}
for(i=0;i<10;i++){
regs[i]=0;
}
}
CloseFile(fp);
FilledFrame(0,168,320,32,3,6,5);
StoneText(5,179,gamevars.level,strlen(gamevars.level),0);
StoneText(5,193,gamevars.title,strlen(gamevars.title),0);
DrawSideBar();
copysidebar=1;
ProcessLevel();
return 1;
}
WORD ProcessLevel(void) /* Sets up internal arrays according to level */
{
WORD x,y,arrowptr;
gamevars.redcount=0;
gamevars.greencount=0;
gamevars.bluecount=0;
gamevars.totalred=0;
gamevars.totalgreen=0;
gamevars.totalblue=0;
regs[REG_XGUY-201]=0;
arrowptr=0;
for(y=1;y<=21;y++){
for(x=1;x<=21;x++){
lastpushed[x][y]=-1;
switch(under[x][y]){
case GLASS:
case UPARROW:
case RIGHTARROW:
case DOWNARROW:
case LEFTARROW:
arrows[arrowptr++]=y*21+x;
break;
case REDTARGET:
gamevars.totalred++;
break;
case GREENTARGET:
gamevars.totalgreen++;
break;
case BLUETARGET:
gamevars.totalblue++;
break;
}
switch(over[x][y]){
case GUY:
regs[REG_XGUY-201]=x;
regs[REG_YGUY-201]=y;
regs[REG_LASTX-201]=x;
regs[REG_LASTY-201]=y;
over[x][y]=EMPTYSPACE;
break;
case REDCRATE:
gamevars.redcount++;
break;
case GREENCHEST:
gamevars.greencount++;
break;
case BLUEBARREL:
gamevars.bluecount++;
break;
}