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main.c
2463 lines (2307 loc) · 71.8 KB
/
main.c
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/**
* Powder Toy - Main source
*
* Copyright (c) 2008 - 2010 Stanislaw Skowronek.
* Copyright (c) 2010 Simon Robertshaw
* Copyright (c) 2010 Skresanov Savely
* Copyright (c) 2010 Bryan Hoyle
* Copyright (c) 2010 Nathan Cousins
* Copyright (c) 2010 cracker64
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <SDL/SDL.h>
#include <bzlib.h>
#include <time.h>
#ifdef WIN32
#include <direct.h>
#else
#include <sys/stat.h>
#include <unistd.h>
#endif
#include <misc.h>
#include <font.h>
#include <defines.h>
#include <powder.h>
#include <graphics.h>
#include <version.h>
#include <http.h>
#include <md5.h>
#include <update.h>
#include <hmap.h>
#include <air.h>
#include <icon.h>
static const char *it_msg =
"\brThe Powder Toy - http://powdertoy.co.uk/\n"
"\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\x7F\n"
"\n"
"\bgControl+C/V/X are Copy, Paste and cut respectively.\n"
"\bgTo choose a material, hover over once of the icons on the right, it will show a selection of elements in that group.\n"
"\bgPick your material from the menu using mouse left/right buttons.\n"
"Draw freeform lines by dragging your mouse left/right button across the drawing area.\n"
"Shift+drag will create straight lines of particles.\n"
"Ctrl+drag will result in filled rectangles.\n"
"Ctrl+Shift+click will flood-fill a closed area.\n"
"Ctrl+Z will act as Undo.\n"
"Middle click or Alt+Click to \"sample\" the particles.\n"
"\n\boUse 'Z' for a zoom tool. Click to make the drawable zoom window stay around. Use the wheel to change the zoom strength\n"
"Use 'S' to save parts of the window as 'stamps'.\n"
"'L' will load the most recent stamp, 'K' shows a library of stamps you saved.\n"
"'C' will cycle the display mode (Fire, Blob, Velocity, ect.). The numbers on the keyboard do the same\n"
"Use the mouse scroll wheel to change the tool size for particles.\n"
"The spacebar can be used to pause physics.\n"
"'P' will take a screenshot and save it into the current directory.\n"
"\n"
"\bgCopyright (c) 2008-10 Stanislaw K Skowronek (\brhttp://powder.unaligned.org\bg, \bbirc.unaligned.org #wtf\bg)\n"
"\bgCopyright (c) 2010 Simon Robertshaw (\brhttp://powdertoy.co.uk\bg, \bbirc.freenode.net #powder\bg)\n"
"\bgCopyright (c) 2010 Skresanov Savely (Stickman)\n"
"\bgCopyright (c) 2010 cracker64\n"
"\bgCopyright (c) 2010 Bryan Hoyle (New elements)\n"
"\bgCopyright (c) 2010 Nathan Cousins (New elements, small engine mods.)\n"
"\n"
"\bgTo use online features such as saving, you need to register at: \brhttp://powdertoy.co.uk/Register.html"
;
typedef struct
{
int start, inc;
pixel *vid;
} upstruc;
#ifdef BETA
static const char *old_ver_msg_beta = "A new beta is available - click here!";
#endif
static const char *old_ver_msg = "A new version is available - click here!";
float mheat = 0.0f;
int do_open = 0;
int sys_pause = 0;
int legacy_enable = 0; //Used to disable new features such as heat, will be set by commandline or save.
int death = 0, framerender = 0;
int amd = 1;
int FPSB = 0;
int MSIGN =-1;
//int CGOL = 0;
//int GSPEED = 1;//causes my .exe to crash..
sign signs[MAXSIGNS];
int numCores = 4;
int core_count()
{
int numCPU = 1;
#ifdef MT
#ifdef WIN32
SYSTEM_INFO sysinfo;
GetSystemInfo( &sysinfo );
numCPU = sysinfo.dwNumberOfProcessors;
#else
#ifdef MACOSX
numCPU = 4;
#else
numCPU = sysconf( _SC_NPROCESSORS_ONLN );
#endif
#endif
printf("Cpus: %d\n", numCPU);
if(numCPU>1)
printf("Multithreading enabled\n");
else
printf("Multithreading disabled\n");
#endif
return numCPU;
}
int mousex = 0, mousey = 0; //They contain mouse position
void sdl_seticon(void)
{
#ifdef WIN32
//SDL_Surface *icon = SDL_CreateRGBSurfaceFrom(app_icon_w32, 32, 32, 32, 128, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000);
//SDL_WM_SetIcon(icon, NULL/*app_icon_mask*/);
#else
#ifdef MACOSX
//SDL_Surface *icon = SDL_CreateRGBSurfaceFrom(app_icon_w32, 32, 32, 32, 128, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000);
//SDL_WM_SetIcon(icon, NULL/*app_icon_mask*/);
#else
SDL_Surface *icon = SDL_CreateRGBSurfaceFrom(app_icon, 16, 16, 32, 128, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000);
SDL_WM_SetIcon(icon, NULL/*app_icon_mask*/);
#endif
#endif
}
int frame_idx=0;
void dump_frame(pixel *src, int w, int h, int pitch)
{
char frame_name[32];
int j,i;
unsigned char c[3];
FILE *f;
sprintf(frame_name,"frame%04d.ppm",frame_idx);
f=fopen(frame_name,"wb");
fprintf(f,"P6\n%d %d\n255\n",w,h);
for(j=0; j<h; j++)
{
for(i=0; i<w; i++)
{
c[0] = PIXR(src[i]);
c[1] = PIXG(src[i]);
c[2] = PIXB(src[i]);
fwrite(c,3,1,f);
}
src+=pitch;
}
fclose(f);
frame_idx++;
}
/***********************************************************
* STATE MANAGEMENT *
***********************************************************/
void *build_thumb(int *size, int bzip2)
{
unsigned char *d=calloc(1,XRES*YRES), *c;
int i,j,x,y;
for(i=0; i<NPART; i++)
if(parts[i].type)
{
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
if(x>=0 && x<XRES && y>=0 && y<YRES)
d[x+y*XRES] = parts[i].type;
}
for(y=0; y<YRES/CELL; y++)
for(x=0; x<XRES/CELL; x++)
if(bmap[y][x])
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
d[x*CELL+i+(y*CELL+j)*XRES] = 0xFF;
j = XRES*YRES;
if(bzip2)
{
i = (j*101+99)/100 + 608;
c = malloc(i);
c[0] = 0x53;
c[1] = 0x68;
c[2] = 0x49;
c[3] = 0x74;
c[4] = PT_NUM;
c[5] = CELL;
c[6] = XRES/CELL;
c[7] = YRES/CELL;
i -= 8;
if(BZ2_bzBuffToBuffCompress((char *)(c+8), (unsigned *)&i, (char *)d, j, 9, 0, 0) != BZ_OK)
{
free(d);
free(c);
return NULL;
}
free(d);
*size = i+8;
return c;
}
*size = j;
return d;
}
void *build_save(int *size, int x0, int y0, int w, int h)
{
unsigned char *d=calloc(1,3*(XRES/CELL)*(YRES/CELL)+(XRES*YRES)*11+MAXSIGNS*262), *c;
int i,j,x,y,p=0,*m=calloc(XRES*YRES, sizeof(int));
int bx0=x0/CELL, by0=y0/CELL, bw=(w+CELL-1)/CELL, bh=(h+CELL-1)/CELL;
// normalize coordinates
x0 = bx0*CELL;
y0 = by0*CELL;
w = bw *CELL;
h = bh *CELL;
// save the required air state
for(y=by0; y<by0+bh; y++)
for(x=bx0; x<bx0+bw; x++)
d[p++] = bmap[y][x];
for(y=by0; y<by0+bh; y++)
for(x=bx0; x<bx0+bw; x++)
if(bmap[y][x]==WL_FAN||bmap[y][x]==4)
{
i = (int)(fvx[y][x]*64.0f+127.5f);
if(i<0) i=0;
if(i>255) i=255;
d[p++] = i;
}
for(y=by0; y<by0+bh; y++)
for(x=bx0; x<bx0+bw; x++)
if(bmap[y][x]==WL_FAN||bmap[y][x]==4)
{
i = (int)(fvy[y][x]*64.0f+127.5f);
if(i<0) i=0;
if(i>255) i=255;
d[p++] = i;
}
// save the particle map
for(i=0; i<NPART; i++)
if(parts[i].type)
{
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
if(x>=x0 && x<x0+w && y>=y0 && y<y0+h) {
if(!m[(x-x0)+(y-y0)*w] ||
parts[m[(x-x0)+(y-y0)*w]-1].type == PT_PHOT)
m[(x-x0)+(y-y0)*w] = i+1;
}
}
for(j=0; j<w*h; j++)
{
i = m[j];
if(i)
d[p++] = parts[i-1].type;
else
d[p++] = 0;
}
// save particle properties
for(j=0; j<w*h; j++)
{
i = m[j];
if(i)
{
i--;
x = (int)(parts[i].vx*16.0f+127.5f);
y = (int)(parts[i].vy*16.0f+127.5f);
if(x<0) x=0;
if(x>255) x=255;
if(y<0) y=0;
if(y>255) y=255;
d[p++] = x;
d[p++] = y;
}
}
for(j=0; j<w*h; j++)
{
i = m[j];
if(i){
//Everybody loves a 16bit int
//d[p++] = (parts[i-1].life+3)/4;
int ttlife = (int)parts[i-1].life;
d[p++] = ((ttlife&0xFF00)>>8);
d[p++] = (ttlife&0x00FF);
}
}
for(j=0; j<w*h; j++)
{
i = m[j];
if(i){
//Now saving tmp!
//d[p++] = (parts[i-1].life+3)/4;
int tttmp = (int)parts[i-1].tmp;
d[p++] = ((tttmp&0xFF00)>>8);
d[p++] = (tttmp&0x00FF);
}
}
for(j=0; j<w*h; j++)
{
i = m[j];
if(i)
{
//New Temperature saving uses a 16bit unsigned int for temperatures, giving a precision of 1 degree versus 36 for the old format
int tttemp = (int)parts[i-1].temp;
d[p++] = ((tttemp&0xFF00)>>8);
d[p++] = (tttemp&0x00FF);
}
}
for(j=0; j<w*h; j++)
{
i = m[j];
if(i && (parts[i-1].type==PT_CLNE || parts[i-1].type==PT_PCLN || parts[i-1].type==PT_BCLN || parts[i-1].type==PT_SPRK || parts[i-1].type==PT_LAVA || parts[i-1].type==PT_PIPE))
d[p++] = parts[i-1].ctype;
}
j = 0;
for(i=0; i<MAXSIGNS; i++)
if(signs[i].text[0] &&
signs[i].x>=x0 && signs[i].x<x0+w &&
signs[i].y>=y0 && signs[i].y<y0+h)
j++;
d[p++] = j;
for(i=0; i<MAXSIGNS; i++)
if(signs[i].text[0] &&
signs[i].x>=x0 && signs[i].x<x0+w &&
signs[i].y>=y0 && signs[i].y<y0+h)
{
d[p++] = (signs[i].x-x0);
d[p++] = (signs[i].x-x0)>>8;
d[p++] = (signs[i].y-y0);
d[p++] = (signs[i].y-y0)>>8;
d[p++] = signs[i].ju;
x = strlen(signs[i].text);
d[p++] = x;
memcpy(d+p, signs[i].text, x);
p+=x;
}
i = (p*101+99)/100 + 612;
c = malloc(i);
//New file header uses PSv, replacing fuC. This is to detect if the client uses a new save format for temperatures
//This creates a problem for old clients, that display and "corrupt" error instead of a "newer version" error
c[0] = 0x50; //0x66;
c[1] = 0x53; //0x75;
c[2] = 0x76; //0x43;
c[3] = legacy_enable|((sys_pause<<1)&0x02);
c[4] = SAVE_VERSION;
c[5] = CELL;
c[6] = bw;
c[7] = bh;
c[8] = p;
c[9] = p >> 8;
c[10] = p >> 16;
c[11] = p >> 24;
i -= 12;
if(BZ2_bzBuffToBuffCompress((char *)(c+12), (unsigned *)&i, (char *)d, p, 9, 0, 0) != BZ_OK)
{
free(d);
free(c);
return NULL;
}
free(d);
*size = i+12;
return c;
}
int parse_save(void *save, int size, int replace, int x0, int y0)
{
unsigned char *d,*c=save;
int i,j,k,x,y,p=0,*m=calloc(XRES*YRES, sizeof(int)), ver, pty, ty, legacy_beta=0;
int bx0=x0/CELL, by0=y0/CELL, bw, bh, w, h;
int fp[NPART], nf=0, new_format = 0, ttv = 0;
//New file header uses PSv, replacing fuC. This is to detect if the client uses a new save format for temperatures
//This creates a problem for old clients, that display and "corrupt" error instead of a "newer version" error
if(size<16)
return 1;
if(!(c[2]==0x43 && c[1]==0x75 && c[0]==0x66) && !(c[2]==0x76 && c[1]==0x53 && c[0]==0x50))
return 1;
if(c[2]==0x76 && c[1]==0x53 && c[0]==0x50) {
new_format = 1;
}
if(c[4]>SAVE_VERSION)
return 2;
ver = c[4];
if(ver<34)
{
legacy_enable = 1;
}
else
{
if(ver>=44){
legacy_enable = c[3]&0x01;
if(!sys_pause){
sys_pause = (c[3]>>1)&0x01;
}
} else {
if(c[3]==1||c[3]==0){
legacy_enable = c[3];
} else {
legacy_beta = 1;
}
}
}
bw = c[6];
bh = c[7];
if(bx0+bw > XRES/CELL)
bx0 = XRES/CELL - bw;
if(by0+bh > YRES/CELL)
by0 = YRES/CELL - bh;
if(bx0 < 0)
bx0 = 0;
if(by0 < 0)
by0 = 0;
if(c[5]!=CELL || bx0+bw>XRES/CELL || by0+bh>YRES/CELL)
return 3;
i = (unsigned)c[8];
i |= ((unsigned)c[9])<<8;
i |= ((unsigned)c[10])<<16;
i |= ((unsigned)c[11])<<24;
d = malloc(i);
if(!d)
return 1;
if(BZ2_bzBuffToBuffDecompress((char *)d, (unsigned *)&i, (char *)(c+12), size-12, 0, 0))
return 1;
size = i;
if(size < bw*bh)
return 1;
// normalize coordinates
x0 = bx0*CELL;
y0 = by0*CELL;
w = bw *CELL;
h = bh *CELL;
if(replace)
{
gravityMode = 1;
memset(bmap, 0, sizeof(bmap));
memset(emap, 0, sizeof(emap));
memset(signs, 0, sizeof(signs));
memset(parts, 0, sizeof(particle)*NPART);
memset(pmap, 0, sizeof(pmap));
memset(vx, 0, sizeof(vx));
memset(vy, 0, sizeof(vy));
memset(pv, 0, sizeof(pv));
}
// make a catalog of free parts
memset(pmap, 0, sizeof(pmap));
for(i=0; i<NPART; i++)
if(parts[i].type)
{
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
pmap[y][x] = (i<<8)|1;
}
else
fp[nf++] = i;
// load the required air state
for(y=by0; y<by0+bh; y++)
for(x=bx0; x<bx0+bw; x++)
{
if(d[p])
{
bmap[y][x] = d[p];
if(bmap[y][x]==1)
bmap[y][x]=WL_WALL;
if(bmap[y][x]==2)
bmap[y][x]=WL_DESTROYALL;
if(bmap[y][x]==3)
bmap[y][x]=WL_ALLOWLIQUID;
if(bmap[y][x]==4)
bmap[y][x]=WL_FAN;
if(bmap[y][x]==5)
bmap[y][x]=WL_STREAM;
if(bmap[y][x]==6)
bmap[y][x]=WL_DETECT;
if(bmap[y][x]==7)
bmap[y][x]=WL_EWALL;
if(bmap[y][x]==8)
bmap[y][x]=WL_WALLELEC;
if(bmap[y][x]==9)
bmap[y][x]=WL_ALLOWAIR;
if(bmap[y][x]==10)
bmap[y][x]=WL_ALLOWSOLID;
if(bmap[y][x]==11)
bmap[y][x]=WL_ALLOWALLELEC;
if(bmap[y][x]==12)
bmap[y][x]=WL_EHOLE;
if(bmap[y][x]==13)
bmap[y][x]=WL_ALLOWGAS;
}
p++;
}
for(y=by0; y<by0+bh; y++)
for(x=bx0; x<bx0+bw; x++)
if(d[(y-by0)*bw+(x-bx0)]==4||d[(y-by0)*bw+(x-bx0)]==WL_FAN)
{
if(p >= size)
goto corrupt;
fvx[y][x] = (d[p++]-127.0f)/64.0f;
}
for(y=by0; y<by0+bh; y++)
for(x=bx0; x<bx0+bw; x++)
if(d[(y-by0)*bw+(x-bx0)]==4||d[(y-by0)*bw+(x-bx0)]==WL_FAN)
{
if(p >= size)
goto corrupt;
fvy[y][x] = (d[p++]-127.0f)/64.0f;
}
// load the particle map
i = 0;
pty = p;
for(y=y0; y<y0+h; y++)
for(x=x0; x<x0+w; x++)
{
if(p >= size)
goto corrupt;
j=d[p++];
if(j >= PT_NUM) {
//TODO: Possibly some server side translation
j = PT_DUST;//goto corrupt;
}
gol[x][y]=0;
if(j)// && !(isplayer == 1 && j==PT_STKM))
{
if(pmap[y][x])
{
k = pmap[y][x]>>8;
parts[k].type = j;
if(j == PT_PHOT)
parts[k].ctype = 0x3fffffff;
parts[k].x = (float)x;
parts[k].y = (float)y;
m[(x-x0)+(y-y0)*w] = k+1;
}
else if(i < nf)
{
parts[fp[i]].type = j;
if(j == PT_COAL)
parts[fp[i]].tmp = 50;
if(j == PT_FUSE)
parts[fp[i]].tmp = 50;
if(j == PT_PHOT)
parts[fp[i]].ctype = 0x3fffffff;
parts[fp[i]].x = (float)x;
parts[fp[i]].y = (float)y;
m[(x-x0)+(y-y0)*w] = fp[i]+1;
i++;
}
else
m[(x-x0)+(y-y0)*w] = NPART+1;
}
}
// load particle properties
for(j=0; j<w*h; j++)
{
i = m[j];
if(i)
{
i--;
if(p+1 >= size)
goto corrupt;
if(i < NPART)
{
parts[i].vx = (d[p++]-127.0f)/16.0f;
parts[i].vy = (d[p++]-127.0f)/16.0f;
if(parts[i].type == PT_STKM)
{
//player[2] = PT_DUST;
player[3] = parts[i].x-1; //Setting legs positions
player[4] = parts[i].y+6;
player[5] = parts[i].x-1;
player[6] = parts[i].y+6;
player[7] = parts[i].x-3;
player[8] = parts[i].y+12;
player[9] = parts[i].x-3;
player[10] = parts[i].y+12;
player[11] = parts[i].x+1;
player[12] = parts[i].y+6;
player[13] = parts[i].x+1;
player[14] = parts[i].y+6;
player[15] = parts[i].x+3;
player[16] = parts[i].y+12;
player[17] = parts[i].x+3;
player[18] = parts[i].y+12;
}
if(parts[i].type == PT_STKM2)
{
//player[2] = PT_DUST;
player2[3] = parts[i].x-1; //Setting legs positions
player2[4] = parts[i].y+6;
player2[5] = parts[i].x-1;
player2[6] = parts[i].y+6;
player2[7] = parts[i].x-3;
player2[8] = parts[i].y+12;
player2[9] = parts[i].x-3;
player2[10] = parts[i].y+12;
player2[11] = parts[i].x+1;
player2[12] = parts[i].y+6;
player2[13] = parts[i].x+1;
player2[14] = parts[i].y+6;
player2[15] = parts[i].x+3;
player2[16] = parts[i].y+12;
player2[17] = parts[i].x+3;
player2[18] = parts[i].y+12;
}
}
else
p += 2;
}
}
for(j=0; j<w*h; j++)
{
i = m[j];
if(i)
{
if(ver>=44){
if(p >= size) {
goto corrupt;
}
if(i <= NPART) {
ttv = (d[p++])<<8;
ttv |= (d[p++]);
parts[i-1].life = ttv;
} else {
p+=2;
}
} else {
if(p >= size)
goto corrupt;
if(i <= NPART)
parts[i-1].life = d[p++]*4;
else
p++;
}
}
}
if(ver>=44){
for(j=0; j<w*h; j++)
{
i = m[j];
if(i)
{
if(p >= size) {
goto corrupt;
}
if(i <= NPART) {
ttv = (d[p++])<<8;
ttv |= (d[p++]);
parts[i-1].tmp = ttv;
} else {
p+=2;
}
}
}
}
for(j=0; j<w*h; j++)
{
i = m[j];
ty = d[pty+j];
if(i)
{
if(ver>=34&&legacy_beta==0)
{
if(p >= size)
{
goto corrupt;
}
if(i <= NPART)
{
if(ver>=42) {
if(new_format) {
ttv = (d[p++])<<8;
ttv |= (d[p++]);
parts[i-1].temp = ttv + 0.15;
} else {
parts[i-1].temp = (d[p++]*((MAX_TEMP+(-MIN_TEMP))/255))+MIN_TEMP;
}
} else {
parts[i-1].temp = ((d[p++]*((O_MAX_TEMP+(-O_MIN_TEMP))/255))+O_MIN_TEMP)+273;
}
}
else
{
p++;
if(new_format) {
p++;
}
}
}
else
{
parts[i-1].temp = ptypes[parts[i-1].type].heat;
}
}
}
for(j=0; j<w*h; j++)
{
i = m[j];
ty = d[pty+j];
if(i && (ty==PT_CLNE || (ty==PT_PCLN && ver>=43) || (ty==PT_BCLN && ver>=44) || (ty==PT_SPRK && ver>=21) || (ty==PT_LAVA && ver>=34) || (ty==PT_PIPE && ver>=43)))
{
if(p >= size)
goto corrupt;
if(i <= NPART)
parts[i-1].ctype = d[p++];
else
p++;
}
}
if(p >= size)
goto version1;
j = d[p++];
for(i=0; i<j; i++)
{
if(p+6 > size)
goto corrupt;
for(k=0; k<MAXSIGNS; k++)
if(!signs[k].text[0])
break;
x = d[p++];
x |= ((unsigned)d[p++])<<8;
if(k<MAXSIGNS)
signs[k].x = x+x0;
x = d[p++];
x |= ((unsigned)d[p++])<<8;
if(k<MAXSIGNS)
signs[k].y = x+y0;
x = d[p++];
if(k<MAXSIGNS)
signs[k].ju = x;
x = d[p++];
if(p+x > size)
goto corrupt;
if(k<MAXSIGNS)
{
memcpy(signs[k].text, d+p, x);
signs[k].text[x] = 0;
}
p += x;
}
version1:
free(d);
return 0;
corrupt:
if(replace)
{
legacy_enable = 0;
memset(signs, 0, sizeof(signs));
memset(parts, 0, sizeof(particle)*NPART);
memset(bmap, 0, sizeof(bmap));
}
return 1;
}
// stamps library
stamp stamps[STAMP_MAX];//[STAMP_X*STAMP_Y];
int stamp_count = 0;
unsigned last_time=0, last_name=0;
void stamp_gen_name(char *fn)
{
unsigned t=(unsigned)time(NULL);
if(last_time!=t)
{
last_time=t;
last_name=0;
}
else
last_name++;
sprintf(fn, "%08x%02x", last_time, last_name);
}
void stamp_update(void)
{
FILE *f;
int i;
f=fopen("stamps" PATH_SEP "stamps.def", "wb");
if(!f)
return;
for(i=0; i<STAMP_MAX; i++)
{
if(!stamps[i].name[0])
break;
if(stamps[i].dodelete!=1)
{
fwrite(stamps[i].name, 1, 10, f);
}
}
fclose(f);
}
void stamp_gen_thumb(int i)
{
char fn[64];
void *data;
int size, factor_x, factor_y;
pixel *tmp;
if(stamps[i].thumb)
{
free(stamps[i].thumb);
stamps[i].thumb = NULL;
}
sprintf(fn, "stamps" PATH_SEP "%s.stm", stamps[i].name);
data = file_load(fn, &size);
if(data)
{
stamps[i].thumb = prerender_save(data, size, &(stamps[i].thumb_w), &(stamps[i].thumb_h));
if(stamps[i].thumb && (stamps[i].thumb_w>XRES/GRID_S || stamps[i].thumb_h>YRES/GRID_S))
{
factor_x = ceil((float)stamps[i].thumb_w/(float)(XRES/GRID_S));
factor_y = ceil((float)stamps[i].thumb_h/(float)(YRES/GRID_S));
if(factor_y > factor_x)
factor_x = factor_y;
tmp = rescale_img(stamps[i].thumb, stamps[i].thumb_w, stamps[i].thumb_h, &(stamps[i].thumb_w), &(stamps[i].thumb_h), factor_x);
free(stamps[i].thumb);
stamps[i].thumb = tmp;
}
}
free(data);
}
int clipboard_ready = 0;
void *clipboard_data = 0;
int clipboard_length = 0;
void stamp_save(int x, int y, int w, int h)
{
FILE *f;
int n;
char fn[64], sn[16];
void *s=build_save(&n, x, y, w, h);
#ifdef WIN32
_mkdir("stamps");
#else
mkdir("stamps", 0755);
#endif
stamp_gen_name(sn);
sprintf(fn, "stamps" PATH_SEP "%s.stm", sn);
f = fopen(fn, "wb");
if(!f)
return;
fwrite(s, n, 1, f);
fclose(f);
free(s);
if(stamps[STAMP_MAX-1].thumb)
free(stamps[STAMP_MAX-1].thumb);
memmove(stamps+1, stamps, sizeof(struct stamp)*(STAMP_MAX-1));
memset(stamps, 0, sizeof(struct stamp));
if(stamp_count<STAMP_MAX)
stamp_count++;
strcpy(stamps[0].name, sn);
stamp_gen_thumb(0);
stamp_update();
}
void *stamp_load(int i, int *size)
{
void *data;
char fn[64];
struct stamp tmp;
if(!stamps[i].thumb || !stamps[i].name[0])
return NULL;
sprintf(fn, "stamps" PATH_SEP "%s.stm", stamps[i].name);
data = file_load(fn, size);
if(!data)
return NULL;
if(i>0)
{
memcpy(&tmp, stamps+i, sizeof(struct stamp));
memmove(stamps+1, stamps, sizeof(struct stamp)*i);
memcpy(stamps, &tmp, sizeof(struct stamp));
stamp_update();
}
return data;
}
void stamp_init(void)
{
int i;
FILE *f;
memset(stamps, 0, sizeof(stamps));
f=fopen("stamps" PATH_SEP "stamps.def", "rb");
if(!f)
return;
for(i=0; i<STAMP_MAX; i++)
{
fread(stamps[i].name, 1, 10, f);
if(!stamps[i].name[0])
break;
stamp_count++;
stamp_gen_thumb(i);
}
fclose(f);
}
void del_stamp(int d)
{
stamps[d].dodelete = 1;
stamp_update();
stamp_count = 0;
stamp_init();
}
void thumb_cache_inval(char *id);
char *thumb_cache_id[THUMB_CACHE_SIZE];
void *thumb_cache_data[THUMB_CACHE_SIZE];
int thumb_cache_size[THUMB_CACHE_SIZE];
int thumb_cache_lru[THUMB_CACHE_SIZE];
void thumb_cache_inval(char *id)
{
int i,j;
for(i=0; i<THUMB_CACHE_SIZE; i++)
if(thumb_cache_id[i] && !strcmp(id, thumb_cache_id[i]))