#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"
SDL_Surface*screen;
Uint16 picture_size;
int left_margin;
static SDL_Surface*picts;
static Uint8*curpic;
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 "
;
static 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&15)*picture_size,(img>>4)*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;
SDL_Rect dst={x,y,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]->image<c->nimages)
draw_picture((x-1)*picture_size+left_margin,(y-1)*picture_size,c->images[objects[o]->image]&0x7FFF);
}
o=objects[o]->up;
}
}
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;
}
}
const char*screen_prompt(const char*txt) {
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;
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);
}
}
}
void screen_message(const char*txt) {
SDL_Rect r;
SDL_Event ev;
set_cursor(XC_iron_cross);
SDL_Flip(screen);
while(SDL_WaitEvent(&ev)) {
switch(ev.type) {
case SDL_QUIT:
SDL_PushEvent(&ev);
return;
case SDL_KEYDOWN:
return;
case SDL_MOUSEBUTTONDOWN:
return;
}
}
}
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&15)+pitch*(img>>4))*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);
}
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");
fprintf(stderr,"Loading pictures...\n");
fp=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`) VALUES(?1,?2,?3);",-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)) {
j=1;
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);
while((i=sqlite3_step(st))==SQLITE_ROW);
if(i!=SQLITE_DONE) fatal("SQL error (%d): %s\n",i,sqlite3_errmsg(userdb));
} else {
j=0;
}
i=fgetc(fp)<<16;
i|=fgetc(fp)<<24;
i|=fgetc(fp)<<0;
i|=fgetc(fp)<<8;
if(j) {
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 {
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`;",-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<<4,picture_size*((n+15)>>4),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) fatal("SQL error (%d): %s\n",j,j==SQLITE_DONE?"Incorrect number of rows in a temporary table":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);
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));
fprintf(stderr,"Done\n");
}
void init_screen(void) {
const char*v;
int w,h,i;
if(main_options['x']) return;
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))) fatal("Error initializing SDL: %s\n",SDL_GetError());
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);
}
// 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;
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;
}