#if 0
gcc ${CFLAGS:--s -O2} -c -Wno-unused-result picture.c `sdl-config --cflags`
exit
#endif
/*
This program is part of Free Hero Mesh and is public domain.
*/
#define _BSD_SOURCE
#include "SDL.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"
#include "smallxrm.h"
#include "pcfont.h"
#include "quarks.h"
#include "heromesh.h"
#include "cursorshapes.h"
#include "keyicons.xbm"
#define PPR 128 // pictures per row
#define PPRM 127 // pictures per row bit mask (one less than pictures per row)
#define PPRS 7 // pictures per row bit shift amount (log2 of pictures per row)
SDL_Surface*screen;
Uint16 picture_size;
int left_margin;
Uint32 codepage;
static SDL_Surface*picts;
static Uint8*curpic;
static const unsigned char*fontdata;
static const Uint8 bytewidth[32];
static const char default_palette[]=
"C020FF "
"000000 222222 333333 444444 555555 666666 777777 888888 999999 AAAAAA BBBBBB CCCCCC DDDDDD EEEEEE FFFFFF "
"281400 412300 5F3200 842100 A05000 C35F14 E1731E FF8232 FF9141 FFA050 FFAF5F FFBE73 FFD282 FFE191 FFF0A0 "
"321E1E 412220 5F2830 823040 A03A4C BE4658 E15464 FF6670 FF7F7B FF8E7F FF9F7F FFAF7F FFBF7F FFCF7F FFDF7F "
"280D0D 401515 602020 802A2A A03535 C04040 E04A4A FF5555 FF6764 FF6F64 FF7584 FF849D FF94B7 FF9FD1 FFAEEA "
"901400 A02000 B03000 C04000 D05000 E06000 F07000 FF8000 FF9000 FFA000 FFB000 FFC000 FFD000 FFE000 FFF000 "
"280000 400000 600000 800000 A00000 C00000 E00000 FF0000 FF2828 FF4040 FF6060 FF8080 FFA0A0 FFC0C0 FFE0E0 "
"280028 400040 600060 800080 A000A0 C000C0 E000E0 FF00FF FF28FF FF40FF FF60FF FF80FF FFA0FF FFC0FF FFE0FF "
"281428 402040 603060 804080 A050A0 C060C0 E070E0 FF7CFF FF8CFF FF9CFF FFACFF FFBCFF FFCCFF FFDCFF FFECFF "
"280050 350566 420A7C 4F0F92 5C14A8 6919BE 761ED4 8323EA 9028FF A040FF B060FF C080FF D0A0FF E0C0FF F0E0FF "
"000028 000040 000060 000080 0000A0 0000C0 0000E0 0000FF 0A28FF 284AFF 466AFF 678AFF 87AAFF A7CAFF C7EBFF "
"0F1E1E 142323 193232 1E4141 285050 325F5F 377373 418282 469191 50A0A0 5AAFAF 5FC3C3 69D2D2 73E1E1 78F0F0 "
"002828 004040 006060 008080 00A0A0 00C0C0 00E0E0 00FFFF 28FFFF 40FFFF 60FFFF 80FFFF A0FFFF C0FFFF E0FFFF "
"002800 004000 006000 008000 00A000 00C000 00E000 00FF00 28FF28 40FF40 60FF60 80FF80 A0FFA0 C0FFC0 E0FFE0 "
"002110 234123 325F32 418241 50A050 5FC35F 73E173 85FF7A 91FF6E A0FF5F B4FF50 C3FF41 D2FF32 E1FF23 F0FF0F "
"282800 404000 606000 808000 A0A000 C0C000 E0E000 FFFF00 FFFF28 FFFF40 FFFF60 FFFF80 FFFFA0 FFFFC0 FFFFE0 "
//
"442100 00FF55 0055FF FF5500 55FF00 FF0055 5500FF CA8B25 F078F0 F0F078 FF7F00 DD6D01 7AFF00 111111 "
//
"000000 0000AA 00AA00 00AAAA AA0000 AA00AA AAAA00 AAAAAA "
"555555 5555FF 55FF55 55FFFF FF5555 FF55FF FFFF55 FFFFFF "
;
void init_palette(void) {
double gamma;
int usegamma=1;
int i,j;
SDL_Color pal[256];
FILE*fp=0;
const char*v;
optionquery[1]=Q_gamma;
gamma=strtod(xrm_get_resource(resourcedb,optionquery,optionquery,2)?:"0",0);
if(gamma<=0.0 || gamma==1.0) usegamma=0;
optionquery[1]=Q_palette;
v=xrm_get_resource(resourcedb,optionquery,optionquery,2);
if(v && *v) {
fp=fopen(v,"r");
if(!fp) fatal("Unable to load palette file '%s'\n%m",v);
}
for(i=0;i<256;i++) {
if(fp) {
if(fscanf(fp,"%2hhX%2hhX%2hhX ",&pal[i].r,&pal[i].g,&pal[i].b)!=3) fatal("Invalid palette file\n");
} else {
sscanf(default_palette+i*7,"%2hhX%2hhX%2hhX ",&pal[i].r,&pal[i].g,&pal[i].b);
}
if(usegamma) {
j=(int)(255.0*pow(pal[i].r/255.0,gamma)+0.2); pal[i].r=j<0?0:j>255?255:j;
j=(int)(255.0*pow(pal[i].g/255.0,gamma)+0.2); pal[i].g=j<0?0:j>255?255:j;
j=(int)(255.0*pow(pal[i].b/255.0,gamma)+0.2); pal[i].b=j<0?0:j>255?255:j;
}
}
if(fp) fclose(fp);
SDL_SetColors(screen,pal,0,256);
SDL_SetColors(picts,pal,0,256);
}
void draw_picture(int x,int y,Uint16 img) {
// To be called only when screen is unlocked!
SDL_Rect src={(img&PPRM)*picture_size,(img>>PPRS)*picture_size,picture_size,picture_size};
SDL_Rect dst={x,y,picture_size,picture_size};
SDL_BlitSurface(picts,&src,screen,&dst);
}
void draw_cell(int x,int y) {
// To be called only when screen is unlocked!
Uint32 o;
Class*c;
int i;
SDL_Rect dst={(x-1)*picture_size+left_margin,(y-1)*picture_size,picture_size,picture_size};
if(x<1 || x>64 || y<1 || y>64) return;
SDL_FillRect(screen,&dst,back_color);
o=playfield[y*64+x-65];
while(o!=VOIDLINK) {
if(main_options['e'] || !(objects[o]->oflags&OF_INVISIBLE)) {
c=classes[objects[o]->class];
if(objects[o]->anim && (objects[o]->anim->status&ANISTAT_VISUAL)) i=objects[o]->anim->vimage; else i=objects[o]->image;
if(i<c->nimages) draw_picture((x-1)*picture_size+left_margin,(y-1)*picture_size,c->images[i]&0x7FFF);
}
o=objects[o]->up;
}
}
void draw_selection_rectangle(void) {
Uint16 pitch=screen->pitch;
Uint8*p=screen->pixels+left_margin+(editrect.x0-1)*picture_size+pitch*(editrect.y0-1)*picture_size;
int xr=(editrect.x1+1-editrect.x0)*picture_size-1;
int yr=(editrect.y1+1-editrect.y0)*picture_size-1;
int i;
if(p+xr+yr*pitch>=((Uint8*)screen->pixels)+screen->h*pitch+screen->w) return;
memset(p,0xF7,xr);
memset(p+yr*pitch,0xF7,xr);
for(i=1;i<yr;i++) {
p[i*pitch]=p[i*pitch+xr]=0xF7;
p[i*pitch+1]=p[i*pitch+xr-1]=0xF0;
}
memset(p+pitch+1,0xF0,xr-2);
memset(p+(yr-1)*pitch+1,0xF0,xr-2);
p[0]=p[xr]=p[yr*pitch]=p[yr*pitch+xr]=0xF8;
}
void draw_text(int x,int y,const unsigned char*t,int bg,int fg) {
// To be called only when screen is locked!
int len=strlen(t);
Uint8*pix=screen->pixels;
Uint8*p;
Uint16 pitch=screen->pitch;
int xx,yy;
const unsigned char*f;
if(x+8*len>screen->w) len=(screen->w-x)>>3;
if(len<=0 || y+8>screen->h) return;
pix+=y*pitch+x;
while(*t) {
f=fontdata+(*t<<3);
p=pix;
for(yy=0;yy<8;yy++) {
for(xx=0;xx<8;xx++) p[xx]=(*f<<xx)&128?fg:bg;
p+=pitch;
++f;
}
t++;
if(!--len) return;
pix+=8;
}
}
void draw_text_v(int x,int y,const unsigned char*t,int bg,int fg) {
// Draw text using sizes other than 8x8 and possible multibyte encodings.
// To be called only when screen is locked!
//TODO
}
int measure_text_v(const unsigned char*t,int len) {
// Returns number of character cells of text (t).
// If len is positive then it is the maximum number of bytes to measure.
int r=0;
int c;
while((len<0 || len--) && (c=*t++)) {
r++;
if(c&0x80) r-=(bytewidth[(c&0x7C)>>2]>>((c&3)<<1))&3;
}
return r>0?r:0;
}
int draw_text_line(int x,int y,unsigned char*t,int cur,Uint8**cp) {
// To be called only when screen is locked!
int len=strlen(t);
const unsigned char*s=t;
Uint8*pix=screen->pixels;
Uint8*p;
Uint16 pitch=screen->pitch;
int bg,fg,xx,yy;
char isimg=0;
char e=0;
const unsigned char*f;
if(!*t) return 0;
len=(screen->w-x)>>3;
if(len<=0 || y+8>screen->h) return len<1?1:len;
pix+=y*pitch+x;
for(;;) {
if(!cur) *cp=t;
if(*t==10) {
f=fontdata+(17<<3);
bg=0xF0,fg=0xF1;
e=1;
} else if(!*t) {
f=fontdata+(254<<3);
bg=0xF0,fg=0xF1;
e=1;
} else if(*t<31) {
f=fontdata+(" 01234567?NLC#IBQ?????????????D?"[*t]<<3);
if(*t==14 || *t==30) isimg=1;
bg=0xF3,fg=0xF0;
} else {
if(*t==31 && t[1]) t++;
f=fontdata+(*t<<3);
bg=0xF0,fg=isimg?0xF2:0xF7;
}
if(!cur--) bg^=15,fg^=15;
p=pix;
for(yy=0;yy<8;yy++) {
for(xx=0;xx<8;xx++) p[xx]=(*f<<xx)&128?fg:bg;
p+=pitch;
++f;
}
if(*t=='\\') isimg=0;
if(!--len || e) return t-s;
t++;
pix+=8;
}
}
int draw_text_line_v(int x,int y,unsigned char*t,int cur,Uint8**cp) {
//TODO
}
int measure_text_line_v(unsigned char*t,int len,Uint8**cp) {
//TODO
}
void draw_key(int x,int y,int k,int bg,int fg) {
// To be called only when screen is locked!
Uint8*p=screen->pixels;
Uint16 pitch=screen->pitch;
int xx,yy;
const unsigned char*f;
if(x<0 || y<0 || x+16>screen->w || y+16>screen->h) return;
p+=y*pitch+x;
f=keyicons_bits+(k<<5);
for(yy=0;yy<16;yy++) {
for(xx=0;xx<8;xx++) p[xx]=(*f>>xx)&1?fg:bg;
++f;
for(xx=0;xx<8;xx++) p[xx+8]=(*f>>xx)&1?fg:bg;
p+=pitch;
++f;
}
}
const char*screen_prompt(const char*txt) {
#ifdef CONFIG_FUNCTION_ASK_TEXT
return CONFIG_FUNCTION_ASK_TEXT(screen,txt,367,0);
#else
static char*t=0;
int n=0;
SDL_Rect r={0,0,screen->w,16};
int m=r.w>>3;
SDL_Event ev;
if(!t) {
t=malloc(m+2);
if(!t) fatal("Allocation failed\n");
}
*t=0;
SDL_FillRect(screen,&r,0xF1);
r.y=16;
r.h=1;
SDL_FillRect(screen,&r,0xF8);
SDL_LockSurface(screen);
draw_text(0,0,txt,0xF1,0xFE);
draw_text(0,8,"\xB1",0xF1,0xFB);
SDL_UnlockSurface(screen);
set_cursor(XC_iron_cross);
SDL_Flip(screen);
r.y=8;
r.h=8;
while(SDL_WaitEvent(&ev)) {
switch(ev.type) {
case SDL_QUIT:
SDL_PushEvent(&ev);
return 0;
case SDL_KEYDOWN:
SDL_FillRect(screen,&r,0xF1);
switch(ev.key.keysym.sym) {
case SDLK_RETURN: case SDLK_KP_ENTER:
r.y=0;
r.h=17;
SDL_FillRect(screen,&r,0xF0);
t[n]=0;
return t;
case SDLK_BACKSPACE: case SDLK_DELETE:
if(n) t[n--]=0;
break;
case SDLK_CLEAR:
t[n=0]=0;
break;
case SDLK_INSERT:
if(ev.key.keysym.mod&KMOD_SHIFT) {
const char*s;
FILE*fp;
int c;
paste:
optionquery[1]=Q_pasteCommand;
if((s=xrm_get_resource(resourcedb,optionquery,optionquery,2)) && (fp=popen(s,"r"))) {
for(;;) {
c=fgetc(fp);
if(c=='\t') c=' ';
if(c>=32 && n<m) t[n++]=c;
if(c=='\n' || c<0 || n>=m) break;
}
t[n]=0;
pclose(fp);
}
}
break;
default:
if(ev.key.keysym.sym==SDLK_u && (ev.key.keysym.mod&KMOD_CTRL)) {
t[n=0]=0;
} else if(ev.key.keysym.sym==SDLK_c && (ev.key.keysym.mod&KMOD_CTRL)) {
r.y=0;
r.h=17;
SDL_FillRect(screen,&r,0xF0);
return 0;
} else if(n<m && ev.key.keysym.unicode<127 && ev.key.keysym.unicode>=32 && !(ev.key.keysym.mod&KMOD_CTRL)) {
t[n++]=ev.key.keysym.unicode;
t[n]=0;
}
}
t[n]=0;
SDL_FillRect(screen,&r,0xF1);
SDL_LockSurface(screen);
draw_text(0,8,t,0xF1,0xFF);
draw_text(n<<3,8,"\xB1",0xF1,0xFB);
SDL_UnlockSurface(screen);
SDL_Flip(screen);
break;
case SDL_MOUSEBUTTONDOWN:
if(ev.button.button==2) goto paste;
break;
}
}
return 0;
#endif
}
int screen_message(const char*txt) {
int n=0;
SDL_Rect r={0,0,0,16};
SDL_Event ev;
if(!screen) {
fprintf(stderr," * %s\n",txt);
return 0;
}
r.w=screen->w;
SDL_FillRect(screen,&r,0xF4);
r.y=16;
r.h=1;
SDL_FillRect(screen,&r,0xF8);
SDL_LockSurface(screen);
draw_text(0,0,txt,0xF4,0xFE);
draw_text(0,8,"<Push ENTER to continue>",0xF4,0xF7);
SDL_UnlockSurface(screen);
set_cursor(XC_iron_cross);
SDL_Flip(screen);
r.y=8;
r.h=8;
while(SDL_WaitEvent(&ev)) {
switch(ev.type) {
case SDL_QUIT:
SDL_PushEvent(&ev);
return -1;
case SDL_KEYDOWN:
switch(ev.key.keysym.sym) {
case SDLK_RETURN: case SDLK_KP_ENTER:
r.y=0;
r.h=17;
SDL_FillRect(screen,&r,0xF0);
return 0;
}
break;
}
}
return -1;
}
static Uint16 decide_picture_size(int nwantsize,const Uint8*wantsize,const Uint16*havesize,int n) {
int i,j;
if(!nwantsize) fatal("Unable to determine what picture size is wanted\n");
for(i=0;i<nwantsize;i++) if(havesize[j=wantsize[i]]==n) return j;
for(i=*wantsize;i;--i) if(havesize[i]) return i;
fatal("Unable to determine what picture size is wanted\n");
}
static void load_one_picture_sub(FILE*fp,int size,int meth) {
Uint8*p=curpic;
int c,n,t,x,y;
if(meth==15) {
fread(p,size,size,fp);
return;
}
n=t=0;
y=size*size;
while(y--) {
if(!n) {
n=fgetc(fp);
if(n<85) {
// Homogeneous run
n++;
x=fgetc(fp);
if(t==1 && x==c) n*=85; else n++;
c=x;
t=1;
} else if(n<170) {
// Heterogeneous run
n-=84;
t=2;
} else {
// Copy-above run
n-=169;
if(t==3) n*=85;
t=3;
}
}
n--;
if(t==2) c=fgetc(fp);
if(t==3) c=p-curpic>=size?p[-size]:0;
*p++=c;
}
}
static void load_one_picture(FILE*fp,Uint16 img,int alt) {
int h,i,j,k,pitch,which,meth,size,psize,zoom;
Uint8 buf[32];
Uint8*pix;
*buf=fgetc(fp);
j=*buf&15;
fread(buf+1,1,j+(j>>1),fp);
k=0;
zoom=1;
for(i=1;i<=j;i++) if(buf[i]==picture_size) ++k;
if(k) {
psize=picture_size;
} else {
for(zoom=2;zoom<=picture_size;zoom++) if(!(picture_size%zoom)) {
psize=picture_size/zoom;
for(i=1;i<=j;i++) if(buf[i]==psize) ++k;
if(k) break;
}
}
alt%=k;
for(i=1;i<=j;i++) if(buf[i]==psize && !alt--) break;
which=i;
i=1;
while(which--) load_one_picture_sub(fp,size=buf[i],meth=(i==1?*buf>>4:buf[(*buf&15)+1+((i-2)>>1)]>>(i&1?4:0))&15),i++;
if(meth==5 || meth==6) meth^=3;
if(meth==15) meth=0;
SDL_LockSurface(picts);
pitch=picts->pitch;
pix=picts->pixels+((img&PPRM)+pitch*(img>>PPRS))*picture_size;
for(i=0;i<size;i++) {
for(h=0;h<zoom;h++) {
for(j=0;j<size;j++) {
if(meth&1) j=size-j-1;
if(meth&2) i=size-i-1;
for(k=0;k<zoom;k++) *pix++=curpic[meth&4?j*size+i:i*size+j];
if(meth&1) j=size-j-1;
if(meth&2) i=size-i-1;
}
pix+=pitch-picture_size;
}
}
SDL_UnlockSurface(picts);
}
static void pic_shift_right(SDL_Rect*r,int sh) {
Uint8*p;
int y;
char buf[256];
sh%=r->w;
if(!sh) return;
SDL_LockSurface(picts);
p=picts->pixels+r->y*picts->pitch+r->x;
for(y=0;y<r->h;y++) {
memcpy(buf,p,r->w);
memcpy(p,buf+r->w-sh,sh);
memcpy(p+sh,buf,r->w-sh);
p+=picts->pitch;
}
SDL_UnlockSurface(picts);
}
static void pic_shift_down(SDL_Rect*r,int sh) {
Uint8*p;
int y;
char b1[256];
char b2[256];
sh%=r->h;
SDL_LockSurface(picts);
// This implementation is probably inefficient.
while(sh--) {
p=picts->pixels+r->y*picts->pitch+r->x;
memcpy(b1,p+picts->pitch*(r->h-1),r->w);
for(y=0;y<r->h;y++) {
memcpy(b2,p,r->w);
memcpy(p,b1,r->w);
p+=picts->pitch;
memcpy(b1,b2,r->w);
}
}
SDL_UnlockSurface(picts);
}
static void pic_orientation(SDL_Rect*r,Uint8 m) {
Uint8*d=malloc(r->w*r->h);
Uint8*p;
Uint8*q;
int i,j;
if(!d) fatal("Allocation failed\n");
SDL_LockSurface(picts);
p=picts->pixels+r->y*picts->pitch+r->x;
q=d;
for(i=0;i<r->h;i++) {
for(j=0;j<r->w;j++) {
if(m&1) j=r->w-j-1;
if(m&2) i=r->h-i-1;
*q++=p[m&4?j*picts->pitch+i:i*picts->pitch+j];
if(m&1) j=r->w-j-1;
if(m&2) i=r->h-i-1;
}
}
q=d;
for(i=0;i<r->h;i++) {
memcpy(p,q,r->w);
p+=picts->pitch;
q+=r->w;
}
SDL_UnlockSurface(picts);
free(d);
}
static void load_dependent_picture(FILE*fp,Sint32 sz,Uint16 img,int alt) {
SDL_Rect src={0,0,picture_size,picture_size};
SDL_Rect dst={(img&PPRM)*picture_size,(img>>PPRS)*picture_size,picture_size,picture_size};
sqlite3_stmt*st;
int c,i,x,y;
char nam[128];
Uint8 buf[512];
Uint8*p;
if(sqlite3_prepare_v2(userdb,"SELECT `ID` FROM `PICTURES` WHERE `NAME` = ?1 AND NOT `DEPENDENT`;",-1,&st,0))
fatal("Unable to prepare SQL statement while loading pictures: %s\n",sqlite3_errmsg(userdb));
i=0;
while(sz) {
c=fgetc(fp);
if(c<32) break;
if(i<127) nam[i++]=c;
sz--;
}
if(sz) ungetc(c,fp);
if(i) {
sqlite3_bind_text(st,1,nam,i,0);
i=sqlite3_step(st);
if(i==SQLITE_DONE) {
fprintf(stderr,"Cannot find base picture for a dependent picture; ignoring\n");
sqlite3_finalize(st);
return;
} else if(i!=SQLITE_ROW) {
fatal("SQL error (%d): %s\n",i,sqlite3_errmsg(userdb));
}
i=sqlite3_column_int(st,0);
sqlite3_reset(st);
src.x=(i&PPRM)*picture_size;
src.y=(i>>PPRS)*picture_size;
SDL_SetColorKey(picts,0,0);
SDL_BlitSurface(picts,&src,picts,&dst);
} else {
SDL_FillRect(picts,&dst,0);
}
while(sz-->0) switch(c=fgetc(fp)) {
case 0 ... 7: // Flip/rotate
pic_orientation(&dst,c);
break;
case 8: // *->* *->* *->*
c=fgetc(fp);
sz-=c+1;
fread(buf,1,c&255,fp);
SDL_LockSurface(picts);
p=picts->pixels+((img&PPRM)+picts->pitch*(img>>PPRS))*picture_size;
for(y=0;y<picture_size;y++) {
for(x=0;x<picture_size;x++) {
for(i=0;i<c;i+=2) {
if(p[x]==buf[i]) {
p[x]=buf[i+1];
break;
}
}
}
p+=picts->pitch;
}
SDL_UnlockSurface(picts);
break;
case 9: // *->*->*->*->*
c=fgetc(fp);
sz-=c+1;
fread(buf,1,c&255,fp);
SDL_LockSurface(picts);
p=picts->pixels+((img&PPRM)+picts->pitch*(img>>PPRS))*picture_size;
for(y=0;y<picture_size;y++) {
for(x=0;x<picture_size;x++) {
for(i=0;i<c-1;i++) {
if(p[x]==buf[i]) {
p[x]=buf[i+1];
break;
}
}
}
p+=picts->pitch;
}
SDL_UnlockSurface(picts);
break;
case 10: // *<->* *<->* *<->*
c=fgetc(fp);
sz-=c+1;
fread(buf,1,c&255,fp);
SDL_LockSurface(picts);
p=picts->pixels+((img&PPRM)+picts->pitch*(img>>PPRS))*picture_size;
for(y=0;y<picture_size;y++) {
for(x=0;x<picture_size;x++) {
for(i=0;i<c;i+=2) {
if(p[x]==buf[i]) {
p[x]=buf[i+1];
break;
} else if(p[x]==buf[i+1]) {
p[x]=buf[i];
break;
}
}
}
p+=picts->pitch;
}
SDL_UnlockSurface(picts);
break;
case 11: // Overlay
SDL_SetColorKey(picts,SDL_SRCCOLORKEY,0);
i=0;
while(sz>0) {
c=fgetc(fp);
if(c<32) break;
if(i<127) nam[i++]=c;
sz--;
}
if(sz) ungetc(c,fp);
sqlite3_bind_text(st,1,nam,i,0);
i=sqlite3_step(st);
if(i==SQLITE_DONE) {
fprintf(stderr,"Cannot find overlay for a dependent picture; ignoring\n");
break;
} else if(i!=SQLITE_ROW) {
fatal("SQL error (%d): %s\n",i,sqlite3_errmsg(userdb));
}
i=sqlite3_column_int(st,0);
sqlite3_reset(st);
src.x=(i&PPRM)*picture_size;
src.y=(i>>PPRS)*picture_size;
SDL_BlitSurface(picts,&src,picts,&dst);
break;
case 12 ... 15: // Shift (up/down/right/left)
while(sz>0) {
x=fgetc(fp);
y=fgetc(fp);
sz-=2;
if(y && !(picture_size%y)) {
if(c==12) pic_shift_down(&dst,picture_size-((x&127)*picture_size)/y);
if(c==13) pic_shift_down(&dst,((x&127)*picture_size)/y);
if(c==14) pic_shift_right(&dst,((x&127)*picture_size)/y);
if(c==15) pic_shift_right(&dst,picture_size-((x&127)*picture_size)/y);
break;
}
if(x&128) break;
}
while(sz>0 && x<128) {
x=fgetc(fp);
fgetc(fp);
sz-=2;
}
break;
case 16: // Hue/shade
fread(buf,1,2,fp);
c=(Sint8)buf[1];
sz-=2;
SDL_LockSurface(picts);
p=picts->pixels+((img&PPRM)+picts->pitch*(img>>PPRS))*picture_size;
for(y=0;y<picture_size;y++) {
for(x=0;x<picture_size;x++) {
if(p[x] && p[x]<=225) {
i=(p[x]-1)%15+c;
p[x]=15*(((p[x]-1)/15+buf[0])%15)+1;
if(i<0) p[x]=1; else if(i>14) p[x]=15; else p[x]+=i;
}
}
p+=picts->pitch;
}
SDL_UnlockSurface(picts);
break;
default:
fprintf(stderr,"Unrecognized command in dependent picture (%d)\n",c);
goto done;
}
if(sz<-1) fprintf(stderr,"Lump size of dependent picture is too short\n");
done: sqlite3_finalize(st);
}
static int find_multidependent(sqlite3_stmt*st,FILE*fp,int len,int npic) {
sqlite3_stmt*s1;
int at=4;
long rew=ftell(fp);
Uint8*mem=malloc(len+1);
int i,j,zt;
if(!mem) fatal("Allocation failed\n");
fread(mem,1,len,fp);
mem[len]=0;
fseek(fp,rew+len,SEEK_SET);
if(sqlite3_exec(userdb,"CREATE TEMPORARY TABLE IF NOT EXISTS `_MUL`(`X`,`Y`,`N`,`Z`);",0,0,0))
fatal("SQL error: %s\n",sqlite3_errmsg(userdb));
if(sqlite3_prepare_v2(userdb,"INSERT INTO `_MUL`(`X`,`Y`,`N`,`Z`) VALUES(?1,?2,SUBSTR('._-',?5,1)||?3,?4);",-1,&s1,0))
fatal("Unable to prepare SQL statement while loading pictures: %s\n",sqlite3_errmsg(userdb));
sqlite3_bind_int(s1,2,0);
sqlite3_bind_text(s1,3,"",0,0);
sqlite3_bind_int(s1,5,4);
for(i=0;i<4;i++) if((mem[i]&128) || !mem[i]) {
sqlite3_reset(s1);
sqlite3_bind_int(s1,1,i);
sqlite3_bind_blob(s1,4,"",i?0:1,0);
while(sqlite3_step(s1)==SQLITE_ROW);
}
sqlite3_reset(s1);
sqlite3_bind_int(s1,1,0);
for(i=0;i<(*mem&63);i++) {
if(at>=len) fatal("Malformed multidependent picture lump\n");
sqlite3_reset(s1);
sqlite3_bind_int(s1,2,i+1);
j=strlen(mem+at);
sqlite3_bind_text(s1,3,mem+at,j,0);
sqlite3_bind_blob(s1,4,mem+at,j+1,0);
at+=j+1;
while(sqlite3_step(s1)==SQLITE_ROW);
}
zt=at;
for(j=1;j<3;j++) for(i=0;i<(mem[j]&63);i++) {
if(zt+2>=len) fatal("Malformed multidependent picture lump\n");
zt+=((mem[zt+1]>>3)&7)+2;
}
for(j=1;j<3;j++) for(i=0;i<(mem[j]&63);i++) {
sqlite3_reset(s1);
sqlite3_bind_int(s1,1,j);
sqlite3_bind_int(s1,2,i+1);
sqlite3_bind_text(s1,3,mem+at+2,(mem[at+1]>>3)&7,0);
if(zt+mem[at]+((mem[at+1]&7)<<8)>len) fatal("Malformed multidependent picture lump\n");
sqlite3_bind_blob(s1,4,mem+zt,mem[at]|((mem[at+1]&7)<<8),0);
sqlite3_bind_int(s1,5,4-(mem[at+1]>>6));
zt+=mem[at]|((mem[at+1]&7)<<8);
at+=((mem[at+1]>>3)&7)+2;
while(sqlite3_step(s1)==SQLITE_ROW);
}
sqlite3_finalize(s1);
free(mem);
if(sqlite3_prepare_v2(userdb,"SELECT A.N||B.N||C.N||D.N,BCAT(A.Z,B.Z,C.Z,D.Z) FROM _MUL A,_MUL B,_MUL C,_MUL D WHERE A.X=0 AND B.X=1 AND C.X=2 AND D.X=3 AND B.Y+C.Y+D.Y<>0;",-1,&s1,0))
fatal("Unable to prepare SQL statement while loading pictures: %s\n",sqlite3_errmsg(userdb));
while((j=sqlite3_step(s1))==SQLITE_ROW) {
if(npic++==32768) fatal("Too many pictures\n");
sqlite3_reset(st);
sqlite3_bind_int(st,1,npic);
sqlite3_bind_value(st,2,sqlite3_column_value(s1,0));
sqlite3_bind_value(st,5,sqlite3_column_value(s1,1));
while(sqlite3_step(st)==SQLITE_ROW);
}
if(j!=SQLITE_DONE) fatal("SQL error (%d): %s\n",j,sqlite3_errmsg(userdb));
sqlite3_finalize(s1);
if(sqlite3_exec(userdb,"DELETE FROM `_MUL`;",0,0,0))
fatal("SQL error: %s\n",sqlite3_errmsg(userdb));
return npic;
}
static void load_multidependent(int n,const char*data,int len) {
FILE*fp=fmemopen((char*)data,len,"r");
if(!fp) fatal("Allocation failed\n");
load_dependent_picture(fp,len,n,0);
fclose(fp);
}
void load_pictures(void) {
sqlite3_stmt*st=0;
FILE*fp;
Uint8 wantsize[32];
Uint8 nwantsize=0;
Uint8 altImage;
Uint8 havesize1[256];
Uint16 havesize[256];
char*nam=sqlite3_mprintf("%s.xclass",basefilename);
const char*v;
int i,j,n;
if(!nam) fatal("Allocation failed\n");
printStatus("Loading pictures...\n");
fp=main_options['z']?composite_slice(".xclass",1):fopen(nam,"r");
if(!fp) fatal("Failed to open xclass file (%m)\n");
sqlite3_free(nam);
optionquery[1]=Q_altImage;
altImage=strtol(xrm_get_resource(resourcedb,optionquery,optionquery,2)?:"0",0,10);
optionquery[1]=Q_imageSize;
v=xrm_get_resource(resourcedb,optionquery,optionquery,2);
if(v) while(nwantsize<32) {
i=j=0;
sscanf(v," %d %n",&i,&j);
if(!j) break;
if(i<2 || i>255) fatal("Invalid picture size %d\n",i);
wantsize[nwantsize++]=i;
v+=j;
}
if(n=sqlite3_exec(userdb,"BEGIN;",0,0,0)) fatal("SQL error (%d): %s\n",n,sqlite3_errmsg(userdb));
if(sqlite3_prepare_v2(userdb,"INSERT INTO `PICTURES`(`ID`,`NAME`,`OFFSET`,`DEPENDENT`,`MISC`) VALUES(?1,?2,?3,?4,?5);",-1,&st,0))
fatal("Unable to prepare SQL statement while loading pictures: %s\n",sqlite3_errmsg(userdb));
nam=malloc(256);
if(!nam) fatal("Allocation failed\n");
n=0;
memset(havesize,0,256*sizeof(Uint16));
while(!feof(fp)) {
i=0;
while(j=fgetc(fp)) {
if(j==EOF) goto nomore1;
if(i<255) nam[i++]=j;
}
nam[i]=0;
if(i>4 && (!memcmp(".IMG",nam+i-4,4) || !memcmp(".DEP",nam+i-4,4))) {
if(nam[i-3]=='I') j=1; else j=0;
if(n++==32768) fatal("Too many pictures\n");
sqlite3_reset(st);
sqlite3_bind_int(st,1,n);
sqlite3_bind_text(st,2,nam,i-4,SQLITE_TRANSIENT);
sqlite3_bind_int64(st,3,ftell(fp)+4);
sqlite3_bind_int(st,4,j^1);
sqlite3_bind_null(st,5);
while((i=sqlite3_step(st))==SQLITE_ROW);
if(i!=SQLITE_DONE) fatal("SQL error (%d): %s\n",i,sqlite3_errmsg(userdb));
} else if(i>4 && !memcmp(".MUL",nam+i-4,4)) {
j=2;
} else {
j=0;
}
i=fgetc(fp)<<16;
i|=fgetc(fp)<<24;
i|=fgetc(fp)<<0;
i|=fgetc(fp)<<8;
if(j==1 && i>1) {
memset(havesize1,0,256);
i-=j=fgetc(fp)&15;
while(j--) havesize1[fgetc(fp)&255]=1;
fseek(fp,i-1,SEEK_CUR);
for(i=1;i<256;i++) if(havesize1[i]) for(j=i+i;j<256;j+=i) havesize1[j]=1;
for(j=1;j<256;j++) havesize[j]+=havesize1[j];
} else if(j==2 && i>4) {
sqlite3_reset(st);
sqlite3_bind_int64(st,3,ftell(fp));
sqlite3_bind_int(st,4,1);
n=find_multidependent(st,fp,i,n);
} else {
fseek(fp,i,SEEK_CUR);
}
}
nomore1:
if(!n) fatal("Cannot find any pictures in this puzzle set\n");
free(nam);
sqlite3_finalize(st);
rewind(fp);
for(i=255;i;--i) if(havesize[i]) {
curpic=malloc(i*i);
break;
}
if(!curpic) fatal("Allocation failed\n");
picture_size=decide_picture_size(nwantsize,wantsize,havesize,n);
if(main_options['x']) goto done;
if(sqlite3_prepare_v2(userdb,"SELECT `ID`, `OFFSET` FROM `PICTURES` WHERE NOT `DEPENDENT`;",-1,&st,0))
fatal("Unable to prepare SQL statement while loading pictures: %s\n",sqlite3_errmsg(userdb));
optionquery[1]=Q_screenFlags;
v=xrm_get_resource(resourcedb,optionquery,optionquery,2);
i=v&&strchr(v,'h');
picts=SDL_CreateRGBSurface((i?SDL_HWSURFACE:SDL_SWSURFACE)|SDL_SRCCOLORKEY,picture_size<<PPRS,picture_size*((n+PPR)>>PPRS),8,0,0,0,0);
if(!picts) fatal("Error allocating surface for pictures: %s\n",SDL_GetError());
init_palette();
for(i=0;i<n;i++) {
if((j=sqlite3_step(st))!=SQLITE_ROW) {
if(j==SQLITE_DONE) break;
fatal("SQL error (%d): %s\n",j,sqlite3_errmsg(userdb));
}
fseek(fp,sqlite3_column_int64(st,1),SEEK_SET);
load_one_picture(fp,sqlite3_column_int(st,0),altImage);
}
sqlite3_finalize(st);
if(sqlite3_prepare_v2(userdb,"SELECT `ID`, `OFFSET`, `MISC` FROM `PICTURES` WHERE `DEPENDENT`;",-1,&st,0))
fatal("Unable to prepare SQL statement while loading pictures: %s\n",sqlite3_errmsg(userdb));
for(i=0;i<n;i++) {
if((j=sqlite3_step(st))!=SQLITE_ROW) {
if(j==SQLITE_DONE) break;
fatal("SQL error (%d): %s\n",j,sqlite3_errmsg(userdb));
}
if(sqlite3_column_type(st,2)==SQLITE_NULL) {
fseek(fp,sqlite3_column_int64(st,1)-4,SEEK_SET);
j=fgetc(fp)<<16;
j|=fgetc(fp)<<24;
j|=fgetc(fp);
j|=fgetc(fp)<<8;
load_dependent_picture(fp,j,sqlite3_column_int(st,0),0);
} else {
v=sqlite3_column_blob(st,2);
j=sqlite3_column_bytes(st,2);
load_multidependent(sqlite3_column_int(st,0),v,j);
}
}
sqlite3_finalize(st);
fclose(fp);
SDL_SetColorKey(picts,SDL_SRCCOLORKEY|SDL_RLEACCEL,0);
done:
if(n=sqlite3_exec(userdb,"COMMIT;",0,0,0)) fatal("SQL error (%d): %s\n",n,sqlite3_errmsg(userdb));
printStatus("Done\n");
}
void init_screen(void) {
const char*v;
int w,h,i;
if(main_options['x']) return;
if(!fontdata) fontdata=pcfont;
optionquery[1]=Q_screenWidth;
w=strtol(xrm_get_resource(resourcedb,optionquery,optionquery,2)?:"800",0,10);
optionquery[1]=Q_screenHeight;
h=strtol(xrm_get_resource(resourcedb,optionquery,optionquery,2)?:"600",0,10);
optionquery[1]=Q_screenFlags;
v=xrm_get_resource(resourcedb,optionquery,optionquery,2)?:"";
if(SDL_Init(SDL_INIT_VIDEO|(strchr(v,'z')?SDL_INIT_NOPARACHUTE:0)|SDL_INIT_TIMER)) fatal("Error initializing SDL: %s\n",SDL_GetError());
#ifdef CONFIG_EXTRA_SCREEN_INIT
do{ CONFIG_EXTRA_SCREEN_INIT }while(0);
#endif
atexit(SDL_Quit);
i=0;
while(*v) switch(*v++) {
case 'd': i|=SDL_DOUBLEBUF; break;
case 'f': i|=SDL_FULLSCREEN; break;
case 'h': i|=SDL_HWSURFACE; break;
case 'n': i|=SDL_NOFRAME; break;
case 'p': i|=SDL_HWPALETTE; break;
case 'r': i|=SDL_RESIZABLE; break;
case 'y': i|=SDL_ASYNCBLIT; break;
}
if(!(i&SDL_HWSURFACE)) i|=SDL_SWSURFACE;
screen=SDL_SetVideoMode(w,h,8,i);
if(!screen) fatal("Failed to initialize screen mode: %s\n",SDL_GetError());
optionquery[1]=Q_keyRepeat;
if(v=xrm_get_resource(resourcedb,optionquery,optionquery,2)) {
w=strtol(v,(void*)&v,10);
h=strtol(v,0,10);
SDL_EnableKeyRepeat(w,h);
} else {
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY,SDL_DEFAULT_REPEAT_INTERVAL);
}
SDL_EnableUNICODE(1);
optionquery[1]=Q_margin;
left_margin=strtol(xrm_get_resource(resourcedb,optionquery,optionquery,2)?:"65",0,10);
}
static int ignore_code_page(void) {
const char*v;
optionquery[1]=Q_codepage;
optionquery[2]=Q_ignore;
v=xrm_get_resource(resourcedb,optionquery,optionquery,3)?:"";
return boolxrm(v,0);
}
void set_code_page(Uint32 n) {
int c,i,j,s;
const char*v;
unsigned char*d;
Uint8 b[32];
FILE*fp;
if(!n) return;
if(n==367) n=437;
if(fontdata && fontdata!=pcfont) fatal("Multiple code page specifications\n");
optionquery[1]=Q_codepage;
v=xrm_get_resource(resourcedb,optionquery,optionquery,2);
if(!v || !*v) {
if(n==437 || ignore_code_page()) return;
if(main_options['T']) goto done;
fatal("Cannot load code page %d; code page file is not configured\n",n);
}
fp=fopen(v,"r");
if(!fp) {
perror(0);
if(main_options['T']) goto done;
fatal("Cannot open code page file\n");
}
fontdata=d=malloc(0x800);
if(!d) fatal("Allocation failed\n");
memcpy(d,pcfont,0x800);
name:
s=i=0;
for(;;) {
c=fgetc(fp);
if(c<0) {
if(main_options['T']) goto done;
if(n!=437 && !ignore_code_page()) fatal("Cannot find code page %d\n",n);
goto done;
}
if(!c) break;
if(!s) {
if(c<'0' || c>'9') s=1;
else if(c=='0' && !i) s=1;
else i=10*i+c-'0';
if(i>0x7FFFFF) s=1;
}
}
if(s || i!=n) goto skip;
i=fgetc(fp)<<16;
i|=fgetc(fp)<<24;
i|=fgetc(fp)<<0;
i|=fgetc(fp)<<8;
if(i==0x800) {
fread(d,8,256,fp);
goto done;
} else if(i==0x400) {
fread(d+0x400,8,128,fp);
} else if(i<32 || i>0x800) {
fatal("Unrecognized format of code page %d\n",n);
} else {
fread(b,32,1,fp);
for(s=0;s<256;s++) if(!(b[s>>3]&(1<<(s&7)))) {
if(c=fgetc(fp)) {
i=fgetc(fp);
if(i&~255) fatal("Error reading data for character %d in code page %d\n",s,n);
if(i!=s) memcpy(d+s*8,d+i*8,8);
}
for(j=0;j<8;j++) if(!(c&(1<<j))) d[j+s*8]=fgetc(fp);
}
}
memset(d,0,8);
goto done;
skip:
i=fgetc(fp)<<16;
i|=fgetc(fp)<<24;
i|=fgetc(fp)<<0;
i|=fgetc(fp)<<8;
fseek(fp,i,SEEK_CUR);
goto name;
done:
codepage=n;
fclose(fp);
}
// Widgets
static void draw_scrollbar(int*cur,int page,int max,int x0,int y0,int x1,int y1) {
Uint8*pix=screen->pixels;
Uint16 pitch=screen->pitch;
int x,y,m0,m1;
double f;
f=(y1-y0)/(double)(max+page);
if(*cur<0) *cur=0; else if(*cur>max) *cur=max;
m0=*cur*f+y0;
m1=(*cur+page)*f+y0;
pix+=y0*pitch;
SDL_LockSurface(screen);
for(y=y0;y<y1;y++) {
for(x=x0;x<x1;x++) pix[x]=y<m0?0xFF:y>m1?0xFF:(y^x)&1?0xF0:0xFF;
pix[x1]=0xFF;
pix+=pitch;
}
SDL_UnlockSurface(screen);
}
int scrollbar(int*cur,int page,int max,SDL_Event*ev,SDL_Rect*re) {
int x0=re?re->x:0;
int y0=re?re->y:0;
int x1=re?re->x+12:12;
int y1=re?re->y+re->h:screen->h;
int y;
double f;
max-=page;
if(max<0) max=0;
switch(ev?ev->type:SDL_VIDEOEXPOSE) {
case SDL_MOUSEMOTION:
if(ev->motion.x<x0 || ev->motion.x>x1 || ev->motion.y<y0 || ev->motion.y>=y1) return 0;
if(ev->motion.state&SDL_BUTTON(2)) {
y=ev->motion.y;
goto move;
} else if(ev->motion.state&SDL_BUTTON(1)) {
set_cursor(XC_sb_up_arrow);
} else if(ev->motion.state&SDL_BUTTON(3)) {
set_cursor(XC_sb_down_arrow);
} else {
set_cursor(XC_sb_v_double_arrow);
}
return 1;
case SDL_MOUSEBUTTONDOWN:
if(ev->button.x<x0 || ev->button.x>x1 || ev->button.y<y0 || ev->button.y>=y1) return 0;
if(ev->button.button==2) {
y=ev->button.y;
goto move;
} else if(ev->button.button==1) {
set_cursor(XC_sb_up_arrow);
} else if(ev->button.button==3) {
set_cursor(XC_sb_down_arrow);
}
return 1;
case SDL_MOUSEBUTTONUP:
if(ev->button.x<x0 || ev->button.x>x1 || ev->button.y<y0 || ev->button.y>=y1) return 0;
f=(y1-y0)/(double)page;
y=(ev->button.y-y0+0.5)/f;
if(ev->button.button==1) {
*cur+=y;
} else if(ev->button.button==3) {
*cur-=y;
}
draw_scrollbar(cur,page,max,x0,y0,x1,y1);
SDL_Flip(screen);
set_cursor(XC_sb_v_double_arrow);
return 1;
case SDL_VIDEOEXPOSE:
draw_scrollbar(cur,page,max,x0,y0,x1,y1);
return 0;
default:
return 0;
}
move:
f=(y1-y0)/(double)(max+page);
*cur=(y-y0+0.5)/f;
draw_scrollbar(cur,page,max,x0,y0,x1,y1);
SDL_Flip(screen);
set_cursor(XC_sb_right_arrow);
return 1;
}
// Popup text
/*
\0 to \7 (1 to 8) - Colours
\b (15) - Horizontal line
\c (12) - Centre align
\i (14) - Image of class
\l (11) - Left align
\n (10) - Line break
\q (16) - Quiz button
\x (31) - Hex escape
*/
typedef struct {
Uint8 a,h;
Uint16 w;
} PopLine;
static void pop_bar(int x,int y,PopLine*li,int w) {
Uint8*p=screen->pixels;
Uint16 pitch=screen->pitch;
if(x+w>=screen->w || y+8>screen->h) return;
p+=(y+3)*pitch+x;
while(w--) *p++=w&1?7:5;
}
static void pop_char(int x,int y,PopLine*li,Uint8 c,Uint8 v) {
Uint8*p=screen->pixels;
Uint16 pitch=screen->pitch;
int xx,yy;
const unsigned char*f=fontdata+(v<<3);
if(li->h>8) y+=(li->h-8)/2;
if(y+8>=screen->h || x+8>=screen->w) return;
p+=y*pitch+x;
for(yy=0;yy<8;yy++) {
for(xx=0;xx<8;xx++) p[xx]=(*f<<xx)&128?c:0xF7;
p+=pitch;
++f;
}
}
static void pop_image(int x,int y,PopLine*li,const unsigned char*t) {
const unsigned char*p=strchr(t,':');
int i,n;
if(!p) return;
n=strtol(p+1,0,10);
if(li->h>picture_size) y+=(li->h-picture_size)/2;
if(y+picture_size>=screen->h || x+picture_size>=screen->w) return;
SDL_UnlockSurface(screen);
if(p==t+1 && *t==7) {
// This case is used for %i substitutions
draw_picture(x,y,n);
} else if(p) {
for(i=1;i<0x4000;i++) if(classes[i]) {
if(strlen(classes[i]->name)==p-t && !memcmp(t,classes[i]->name,p-t)) {
if(n>=0 && n<classes[i]->nimages) draw_picture(x,y,classes[i]->images[n]&0x7FFF);
break;
}
}
}
SDL_LockSurface(screen);
}
static void pop_quiz(int x,int y,PopLine*li,Uint8 c,Uint8 v) {
SDL_Rect r;
Uint8*p=screen->pixels;
Uint16 pitch=screen->pitch;
int xx,yy;
const unsigned char*f=fontdata+(v<<3);
if(li->h>16) y+=(li->h-16)/2;
r.x=x;
r.y=y;
r.w=r.h=16;
SDL_FillRect(screen,&r,0x07);
if(y+16>=screen->h || x+24>=screen->w) return;
p+=(y+4)*pitch+x+4;
for(yy=0;yy<8;yy++) {
for(xx=0;xx<8;xx++) p[xx]=(*f<<xx)&128?c:0x07;
p+=pitch;
++f;
}
}
void draw_popup(const unsigned char*txt) {
static colo[8]={1,144,188,173,83,98,218,15};
static PopLine li[64];
SDL_Rect r;
int bx,by,x,y,c;
int ln=0; // line number
int lh=8; // height of current line
int th=0; // total height
int lw=0; // width of current line
int tw=0; // total width
const unsigned char*p=txt;
li[0].w=li[0].h=li[0].a=0;
// Figure out size
while(ln<64 && *p) switch(*p++) {
case 1 ... 8:
// needing doing nothing yet
break;
case 10:
th+=lh;
li[ln].h=lh;
li[ln].w=lw;
if(tw<lw) tw=lw;
if(*p && *p!=15) lh=8; else lh=0;
lw=0;
ln++;
if(ln<64) li[ln].a=li[ln-1].a;
break;
case 11: case 12:
li[ln].a=p[-1]-11;
break;
case 14:
if(lh<picture_size) lh=picture_size;
lw+=picture_size;
p=strchr(p,'\\')?:"";
if(*p) p++;
break;
case 15:
th+=lh+8;
li[ln].h=lh;
li[ln].w=lw;
if(tw<lw) tw=lw;
lh=8;
lw=0;
ln++;
if(ln<64) li[ln].a=li[ln-1].a;
break;
case 16:
lw+=24;
if(lh<16) lh=16;
if(*p) p++;
break;
case 30:
p=strchr(p,'\\')?:"";
if(*p) p++;
break;
case 31:
lw+=8;
if(*p) p++;
break;
default:
lw+=8;
}
done:
if(ln<64) li[ln].h=lh,li[ln].w=lw;
p=txt;
th+=lh;
if(tw<lw) tw=lw;
if(tw>screen->w-32) tw=screen->w-32;
if(th>screen->h-32) th=screen->h-32;
bx=(screen->w-tw-8)/2;
by=(screen->h-th-8)/2;
// Draw box
r.x=bx; r.y=by; r.w=tw+16; r.h=th+16;
SDL_FillRect(screen,&r,0xF7);
r.w=tw+16; r.h=1; SDL_FillRect(screen,&r,0x0F);
r.w=1; r.h=th+16; SDL_FillRect(screen,&r,0x0F);
r.x++; r.y++;
r.w=tw+14; r.h=1; SDL_FillRect(screen,&r,0x0D);
r.w=1; r.h=th+14; SDL_FillRect(screen,&r,0x0D);
r.x++; r.y++;
r.w=tw+12; r.h=1; SDL_FillRect(screen,&r,0x0B);
r.w=1; r.h=th+12; SDL_FillRect(screen,&r,0x0B);
r.x=bx+tw+15; r.y=by;
r.w=1; r.h=th+16; SDL_FillRect(screen,&r,0x02);
r.x--; r.y++; r.h-=2; SDL_FillRect(screen,&r,0x05);
r.x--; r.y++; r.h-=2; SDL_FillRect(screen,&r,0x08);
r.x=bx; r.y=by+th+15;
r.w=tw+16; r.h=1; SDL_FillRect(screen,&r,0x02);
r.x++; r.y--; r.w-=2; SDL_FillRect(screen,&r,0x05);
r.x++; r.y--; r.w-=2; SDL_FillRect(screen,&r,0x08);
// Draw text
bx+=8; by+=8; tw-=8; th-=8;
x=bx; y=by;
c=colo[0];
ln=0;
SDL_LockSurface(screen);
while(*p && ln<64 && y+li[ln].h<screen->h) switch(*p++) {
case 1 ... 8:
c=colo[p[-1]-1];
break;
case 10:
y+=li[ln++].h;
if(ln<64) x=li[ln].a?bx+(tw-li[ln].w)/2:bx;
break;
case 11:
// do nothing
break;
case 12:
if(x==bx) x+=(tw-li[ln].w)/2;
break;
case 14:
pop_image(x,y,li+ln,p);
x+=picture_size;
p=strchr(p,'\\')?:"";
if(*p) p++;
break;
case 15:
y+=li[ln++].h;
pop_bar(bx-8,y,li+ln,tw+22);
y+=8;
if(ln<64) x=li[ln].a?bx+(tw-li[ln].w)/2:bx;
break;
case 16:
pop_quiz(x,y,li+ln,c,*p);
if(*p) p++;
x+=24;
break;
case 30:
p=strchr(p,'\\')?:"";
if(*p) p++;
break;
case 31:
pop_char(x,y,li+ln,c,*p);
if(*p) p++;
x+=8;
break;
default:
pop_char(x,y,li+ln,c,p[-1]);
x+=8;
break;
}
SDL_UnlockSurface(screen);
}
int modal_draw_popup(const unsigned char*txt) {
SDL_Event ev;
set_cursor(XC_iron_cross);
redraw:
draw_popup(txt);
SDL_Flip(screen);
while(SDL_WaitEvent(&ev)) switch(ev.type) {
case SDL_QUIT:
SDL_PushEvent(&ev);
return -1;
case SDL_KEYDOWN:
switch(ev.key.keysym.sym) {
case SDLK_RETURN: case SDLK_KP_ENTER: case SDLK_ESCAPE:
return 0;
}
break;
case SDL_MOUSEBUTTONDOWN:
return 0;
case SDL_VIDEOEXPOSE:
goto redraw;
}
return -1;
}