689 lines
17 KiB
C
689 lines
17 KiB
C
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// OGL video functions. - Added 9/15/99 Matthew Mueller
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef __WINDOWS__
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#include <windows.h>
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#endif
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//#include <GL/gl.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "hudmsg.h"
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#include "game.h"
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#include "text.h"
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#include "gr.h"
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#include "gamefont.h"
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#include "grdef.h"
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#include "palette.h"
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#include "u_mem.h"
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#include "error.h"
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#include "inferno.h"
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#include "screens.h"
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#include "strutil.h"
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#include "mono.h"
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#include "args.h"
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#include "key.h"
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#include "u_mem.h"
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#include "gamefont.h"
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#define DECLARE_VARS
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#include "ogl_init.h"
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#include <GL/glu.h>
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int ogl_voodoohack=0;
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int gr_installed = 0;
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void gr_palette_clear(); // Function prototype for gr_init;
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int gl_initialized=0;
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int gl_reticle=1;
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int ogl_fullscreen=0;
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int gr_check_fullscreen(void){
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return ogl_fullscreen;
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}
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void gr_do_fullscreen(int f){
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if (ogl_voodoohack)
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ogl_fullscreen=1;//force fullscreen mode on voodoos.
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else
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ogl_fullscreen=f;
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if (gl_initialized){
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ogl_do_fullscreen_internal();
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}
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}
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int gr_toggle_fullscreen(void){
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gr_do_fullscreen(!ogl_fullscreen);
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// grd_curscreen->sc_mode=0;//hack to get it to reset screen mode
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glFlush(); // ZICO - prevents black screen, screen glitches etc.
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return ogl_fullscreen;
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}
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int arch_toggle_fullscreen_menu(void){
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unsigned char *buf=NULL;
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if (ogl_readpixels_ok){
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MALLOC(buf,unsigned char,grd_curscreen->sc_w*grd_curscreen->sc_h*3);
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glReadBuffer(GL_FRONT);
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glReadPixels(0,0,grd_curscreen->sc_w,grd_curscreen->sc_h,GL_RGB,GL_UNSIGNED_BYTE,buf);
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}
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gr_do_fullscreen(!ogl_fullscreen);
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if (ogl_readpixels_ok){
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// glWritePixels(0,0,grd_curscreen->sc_w,grd_curscreen->sc_h,GL_RGB,GL_UNSIGNED_BYTE,buf);
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glRasterPos2f(0,0);
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glDrawPixels(grd_curscreen->sc_w,grd_curscreen->sc_h,GL_RGB,GL_UNSIGNED_BYTE,buf);
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free(buf);
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}
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// grd_curscreen->sc_mode=0;//hack to get it to reset screen mode
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return ogl_fullscreen;
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}
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void ogl_init_state(void){
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/* select clearing (background) color */
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glShadeModel(GL_SMOOTH);
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/* initialize viewing values */
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
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glScalef(1.0, -1.0, 1.0);
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glTranslatef(0.0, -1.0, 0.0);
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gr_palette_step_up(0,0,0);//in case its left over from in game
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}
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int last_screen_mode=-1;
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extern int fullok;
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void ogl_set_screen_mode(void){
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if (last_screen_mode==Screen_mode)
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return;
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OGL_VIEWPORT(0,0,grd_curscreen->sc_w,grd_curscreen->sc_h);
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// OGL_VIEWPORT(grd_curcanv->cv_bitmap.bm_x,grd_curcanv->cv_bitmap.bm_y,grd_curcanv->cv_bitmap.bm_w,grd_curcanv->cv_bitmap.bm_h);
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if (Screen_mode==SCREEN_GAME){
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if (fullok == 1) // ZICO - fullscreen set to on?
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{
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fullok=0;
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gr_toggle_fullscreen(); // ZICO - toggle fullscreen
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}
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glDrawBuffer(GL_BACK);
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}else{
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glDrawBuffer(GL_FRONT);
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glClear(GL_COLOR_BUFFER_BIT);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();//clear matrix
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glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();//clear matrix
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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}
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last_screen_mode=Screen_mode;
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}
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void gr_update()
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{
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if (gl_initialized){
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if(Screen_mode != SCREEN_GAME){
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glFlush();
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}
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}
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}
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const char *gl_vendor,*gl_renderer,*gl_version,*gl_extensions;
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void ogl_get_verinfo(void){
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int t;
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gl_vendor=glGetString(GL_VENDOR);
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gl_renderer=glGetString(GL_RENDERER);
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gl_version=glGetString(GL_VERSION);
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gl_extensions=glGetString(GL_EXTENSIONS);
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printf("gl vendor:%s renderer:%s version:%s extensions:%s\n",gl_vendor,gl_renderer,gl_version,gl_extensions);
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ogl_intensity4_ok=1;ogl_luminance4_alpha4_ok=1;ogl_rgba2_ok=1;ogl_gettexlevelparam_ok=1;
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#ifdef __WINDOWS__
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dglMultiTexCoord2fARB = (glMultiTexCoord2fARB_fp)wglGetProcAddress("glMultiTexCoord2fARB");
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dglActiveTextureARB = (glActiveTextureARB_fp)wglGetProcAddress("glActiveTextureARB");
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dglMultiTexCoord2fSGIS = (glMultiTexCoord2fSGIS_fp)wglGetProcAddress("glMultiTexCoord2fSGIS");
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dglSelectTextureSGIS = (glSelectTextureSGIS_fp)wglGetProcAddress("glSelectTextureSGIS");
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#endif
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//multitexturing doesn't work yet.
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#ifdef GL_ARB_multitexture
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ogl_arb_multitexture_ok=0;//(strstr(gl_extensions,"GL_ARB_multitexture")!=0 && glActiveTextureARB!=0 && 0);
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mprintf((0,"c:%p d:%p e:%p\n",strstr(gl_extensions,"GL_ARB_multitexture"),glActiveTextureARB,glBegin));
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#endif
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#ifdef GL_SGIS_multitexture
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ogl_sgis_multitexture_ok=0;//(strstr(gl_extensions,"GL_SGIS_multitexture")!=0 && glSelectTextureSGIS!=0 && 0);
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mprintf((0,"a:%p b:%p\n",strstr(gl_extensions,"GL_SGIS_multitexture"),glSelectTextureSGIS));
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#endif
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//add driver specific hacks here. whee.
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if ((stricmp(gl_renderer,"Mesa NVIDIA RIVA 1.0\n")==0 || stricmp(gl_renderer,"Mesa NVIDIA RIVA 1.2\n")==0) && stricmp(gl_version,"1.2 Mesa 3.0")==0){
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ogl_intensity4_ok=0;//ignores alpha, always black background instead of transparent.
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ogl_readpixels_ok=0;//either just returns all black, or kills the X server entirely
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ogl_gettexlevelparam_ok=0;//returns random data..
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}
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//allow overriding of stuff.
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#ifdef GL_ARB_multitexture
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if ((t=FindArg("-gl_arb_multitexture_ok"))){
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ogl_arb_multitexture_ok=atoi(Args[t+1]);
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}
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#endif
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#ifdef GL_SGIS_multitexture
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if ((t=FindArg("-gl_sgis_multitexture_ok"))){
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ogl_sgis_multitexture_ok=atoi(Args[t+1]);
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}
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#endif
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if ((t=FindArg("-gl_intensity4_ok"))){
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ogl_intensity4_ok=atoi(Args[t+1]);
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}
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if ((t=FindArg("-gl_luminance4_alpha4_ok"))){
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ogl_luminance4_alpha4_ok=atoi(Args[t+1]);
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}
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if ((t=FindArg("-gl_rgba2_ok"))){
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ogl_rgba2_ok=atoi(Args[t+1]);
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}
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if ((t=FindArg("-gl_readpixels_ok"))){
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ogl_readpixels_ok=atoi(Args[t+1]);
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}
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if ((t=FindArg("-gl_gettexlevelparam_ok"))){
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ogl_gettexlevelparam_ok=atoi(Args[t+1]);
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}
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printf("gl_arb_multitexture:%i gl_sgis_multitexture:%i\n",ogl_arb_multitexture_ok,ogl_sgis_multitexture_ok);
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printf("gl_intensity4:%i gl_luminance4_alpha4:%i gl_rgba2:%i gl_readpixels:%i gl_gettexlevelparam:%i\n",ogl_intensity4_ok,ogl_luminance4_alpha4_ok,ogl_rgba2_ok,ogl_readpixels_ok,ogl_gettexlevelparam_ok);
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}
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int gr_set_mode(u_int32_t mode)
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{
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unsigned int w,h;
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char *gr_bm_data;
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#ifdef NOGRAPH
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return 0;
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#endif
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// mode=0;
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if (mode<=0)
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return 0;
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w=SM_W(mode);
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h=SM_H(mode);
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//if (screen != NULL) gr_palette_clear();
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// ogl_init_state();
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gr_bm_data=grd_curscreen->sc_canvas.cv_bitmap.bm_data;//since we use realloc, we want to keep this pointer around.
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memset( grd_curscreen, 0, sizeof(grs_screen));
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grd_curscreen->sc_mode = mode;
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grd_curscreen->sc_w = w;
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grd_curscreen->sc_h = h;
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grd_curscreen->sc_aspect = fixdiv(grd_curscreen->sc_w*3,grd_curscreen->sc_h*4);
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grd_curscreen->sc_canvas.cv_bitmap.bm_x = 0;
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grd_curscreen->sc_canvas.cv_bitmap.bm_y = 0;
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grd_curscreen->sc_canvas.cv_bitmap.bm_w = w;
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grd_curscreen->sc_canvas.cv_bitmap.bm_h = h;
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//grd_curscreen->sc_canvas.cv_bitmap.bm_rowsize = screen->pitch;
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grd_curscreen->sc_canvas.cv_bitmap.bm_rowsize = w;
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grd_curscreen->sc_canvas.cv_bitmap.bm_type = BM_OGL;
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//grd_curscreen->sc_canvas.cv_bitmap.bm_data = (unsigned char *)screen->pixels;
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// mprintf((0,"ogl/gr.c: reallocing %p to %i\n",grd_curscreen->sc_canvas.cv_bitmap.bm_data,w*h));
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grd_curscreen->sc_canvas.cv_bitmap.bm_data = realloc(gr_bm_data,w*h);
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gr_set_current_canvas(NULL);
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//gr_enable_default_palette_loading();
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ogl_init_window(w,h);//platform specific code
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ogl_get_verinfo();
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OGL_VIEWPORT(0,0,w,h);
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ogl_set_screen_mode();
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gamefont_choose_game_font(w,h);
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return 0;
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}
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#define GLstrcmptestr(a,b) if (stricmp(a,#b)==0 || stricmp(a,"GL_" #b)==0)return GL_ ## b;
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int ogl_atotexfilti(char *a,int min){
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GLstrcmptestr(a,NEAREST);
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GLstrcmptestr(a,LINEAR);
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if (min){//mipmaps are valid only for the min filter
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GLstrcmptestr(a,NEAREST_MIPMAP_NEAREST);
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GLstrcmptestr(a,NEAREST_MIPMAP_LINEAR);
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GLstrcmptestr(a,LINEAR_MIPMAP_NEAREST);
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GLstrcmptestr(a,LINEAR_MIPMAP_LINEAR);
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}
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Error("unknown/invalid texture filter %s\n",a);
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// return GL_NEAREST;
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}
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int ogl_testneedmipmaps(int i){
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switch (i){
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case GL_NEAREST:
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case GL_LINEAR:
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return 0;
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case GL_NEAREST_MIPMAP_NEAREST:
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case GL_NEAREST_MIPMAP_LINEAR:
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case GL_LINEAR_MIPMAP_NEAREST:
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case GL_LINEAR_MIPMAP_LINEAR:
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return 1;
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}
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Error("unknown texture filter %x\n",i);
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// return -1;
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}
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#ifdef OGL_RUNTIME_LOAD
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#ifdef __WINDOWS__
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char *OglLibPath="opengl32.dll";
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#endif
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#ifdef __LINUX__
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char *OglLibPath="libGL.so";
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#endif
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int ogl_rt_loaded=0;
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int ogl_init_load_library(void)
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{
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int retcode=0;
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if (!ogl_rt_loaded){
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int t;
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if ((t=FindArg("-gl_library")))
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OglLibPath=Args[t+1];
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retcode = OpenGL_LoadLibrary(true);
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if(retcode)
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{
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mprintf((0,"Opengl loaded ok\n"));
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if(!glEnd)
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{
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Error("Opengl: Functions not imported\n");
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}
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}else{
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Error("Opengl: error loading %s\n",OglLibPath);
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}
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ogl_rt_loaded=1;
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}
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return retcode;
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}
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#endif
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int gr_init(int mode)
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{
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int retcode,t,glt=0;
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// Only do this function once!
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if (gr_installed==1)
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return -1;
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#ifdef OGL_RUNTIME_LOAD
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ogl_init_load_library();
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#endif
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#ifdef GR_SUPPORTS_FULLSCREEN_TOGGLE
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if (FindArg("-gl_voodoo")){
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ogl_voodoohack=1;
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gr_toggle_fullscreen();
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}
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// if (FindArg("-fullscreen"))
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if (!(FindArg("-window"))) // ZICO - from window to fullscreen
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gr_toggle_fullscreen();
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#endif
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if ((glt=FindArg("-gl_alttexmerge")))
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ogl_alttexmerge=1;
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if ((t=FindArg("-gl_stdtexmerge")))
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if (t>=glt)//allow overriding of earlier args
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ogl_alttexmerge=0;
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if ((glt=FindArg("-gl_16bittextures")))
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ogl_rgba_format=GL_RGB5_A1;
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if ((glt=FindArg("-gl_mipmap"))){
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GL_texmagfilt=GL_LINEAR;
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GL_texminfilt=GL_LINEAR_MIPMAP_NEAREST;
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}
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if ((glt=FindArg("-gl_trilinear")))
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{
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GL_texmagfilt = GL_LINEAR;
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GL_texminfilt = GL_LINEAR_MIPMAP_LINEAR;
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}
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if ((t=FindArg("-gl_simple"))){
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if (t>=glt){//allow overriding of earlier args
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glt=t;
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GL_texmagfilt=GL_NEAREST;
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GL_texminfilt=GL_NEAREST;
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}
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}
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if ((t=FindArg("-gl_texmagfilt")) || (t=FindArg("-gl_texmagfilter"))){
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if (t>=glt)//allow overriding of earlier args
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GL_texmagfilt=ogl_atotexfilti(Args[t+1],0);
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}
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if ((t=FindArg("-gl_texminfilt")) || (t=FindArg("-gl_texminfilter"))){
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if (t>=glt)//allow overriding of earlier args
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GL_texminfilt=ogl_atotexfilti(Args[t+1],1);
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}
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GL_needmipmaps=ogl_testneedmipmaps(GL_texminfilt);
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mprintf((0,"gr_init: texmagfilt:%x texminfilt:%x needmipmaps=%i\n",GL_texmagfilt,GL_texminfilt,GL_needmipmaps));
|
||
|
|
||
|
if ((t=FindArg("-gl_vidmem"))){
|
||
|
ogl_mem_target=atoi(Args[t+1])*1024*1024;
|
||
|
}
|
||
|
if ((t=FindArg("-gl_reticle"))){
|
||
|
gl_reticle=atoi(Args[t+1]);
|
||
|
}
|
||
|
//printf("ogl_mem_target=%i\n",ogl_mem_target);
|
||
|
|
||
|
ogl_init();//platform specific initialization
|
||
|
|
||
|
ogl_init_texture_list_internal();
|
||
|
|
||
|
MALLOC( grd_curscreen,grs_screen,1 );
|
||
|
memset( grd_curscreen, 0, sizeof(grs_screen));
|
||
|
grd_curscreen->sc_canvas.cv_bitmap.bm_data = NULL;
|
||
|
|
||
|
// Set the mode.
|
||
|
if ((retcode=gr_set_mode(mode)))
|
||
|
{
|
||
|
return retcode;
|
||
|
}
|
||
|
grd_curscreen->sc_canvas.cv_color = 0;
|
||
|
grd_curscreen->sc_canvas.cv_drawmode = 0;
|
||
|
grd_curscreen->sc_canvas.cv_font = NULL;
|
||
|
grd_curscreen->sc_canvas.cv_font_fg_color = 0;
|
||
|
grd_curscreen->sc_canvas.cv_font_bg_color = 0;
|
||
|
gr_set_current_canvas( &grd_curscreen->sc_canvas );
|
||
|
|
||
|
gr_installed = 1;
|
||
|
|
||
|
atexit(gr_close);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
void gr_close()
|
||
|
{
|
||
|
// mprintf((0,"ogl init: %s %s %s - %s\n",glGetString(GL_VENDOR),glGetString(GL_RENDERER),glGetString(GL_VERSION),glGetString,(GL_EXTENSIONS)));
|
||
|
|
||
|
ogl_close();//platform specific code
|
||
|
if (grd_curscreen){
|
||
|
if (grd_curscreen->sc_canvas.cv_bitmap.bm_data)
|
||
|
free(grd_curscreen->sc_canvas.cv_bitmap.bm_data);
|
||
|
free(grd_curscreen);
|
||
|
}
|
||
|
#ifdef OGL_RUNTIME_LOAD
|
||
|
if (ogl_rt_loaded)
|
||
|
OpenGL_LoadLibrary(false);
|
||
|
#endif
|
||
|
}
|
||
|
extern int r_upixelc;
|
||
|
void ogl_upixelc(int x, int y, int c){
|
||
|
r_upixelc++;
|
||
|
// printf("gr_upixelc(%i,%i,%i)%i\n",x,y,c,Function_mode==FMODE_GAME);
|
||
|
// if(Function_mode != FMODE_GAME){
|
||
|
// grd_curcanv->cv_bitmap.bm_data[y*grd_curscreen->sc_canvas.cv_bitmap.bm_w+x]=c;
|
||
|
// }else{
|
||
|
OGL_DISABLE(TEXTURE_2D);
|
||
|
glPointSize(1.0);
|
||
|
glBegin(GL_POINTS);
|
||
|
// glBegin(GL_LINES);
|
||
|
// ogl_pal=gr_current_pal;
|
||
|
glColor3f(CPAL2Tr(c),CPAL2Tg(c),CPAL2Tb(c));
|
||
|
// ogl_pal=gr_palette;
|
||
|
glVertex2f((x+grd_curcanv->cv_bitmap.bm_x)/(float)last_width,1.0-(y+grd_curcanv->cv_bitmap.bm_y)/(float)last_height);
|
||
|
// glVertex2f(x/((float)last_width+1),1.0-y/((float)last_height+1));
|
||
|
glEnd();
|
||
|
// }
|
||
|
}
|
||
|
void ogl_urect(int left,int top,int right,int bot){
|
||
|
GLfloat xo,yo,xf,yf;
|
||
|
int c=COLOR;
|
||
|
|
||
|
xo=(left+grd_curcanv->cv_bitmap.bm_x)/(float)last_width;
|
||
|
xf=(right+grd_curcanv->cv_bitmap.bm_x)/(float)last_width;
|
||
|
yo=1.0-(top+grd_curcanv->cv_bitmap.bm_y)/(float)last_height;
|
||
|
yf=1.0-(bot+grd_curcanv->cv_bitmap.bm_y)/(float)last_height;
|
||
|
|
||
|
OGL_DISABLE(TEXTURE_2D);
|
||
|
glColor3f(CPAL2Tr(c),CPAL2Tg(c),CPAL2Tb(c));
|
||
|
glBegin(GL_QUADS);
|
||
|
glVertex2f(xo,yo);
|
||
|
glVertex2f(xo,yf);
|
||
|
glVertex2f(xf,yf);
|
||
|
glVertex2f(xf,yo);
|
||
|
glEnd();
|
||
|
}
|
||
|
void ogl_ulinec(int left,int top,int right,int bot,int c){
|
||
|
GLfloat xo,yo,xf,yf;
|
||
|
|
||
|
xo=(left+grd_curcanv->cv_bitmap.bm_x)/(float)last_width;
|
||
|
xf=(right+grd_curcanv->cv_bitmap.bm_x)/(float)last_width;
|
||
|
yo=1.0-(top+grd_curcanv->cv_bitmap.bm_y)/(float)last_height;
|
||
|
yf=1.0-(bot+grd_curcanv->cv_bitmap.bm_y)/(float)last_height;
|
||
|
|
||
|
OGL_DISABLE(TEXTURE_2D);
|
||
|
glColor3f(CPAL2Tr(c),CPAL2Tg(c),CPAL2Tb(c));
|
||
|
glBegin(GL_LINES);
|
||
|
glVertex2f(xo,yo);
|
||
|
glVertex2f(xf,yf);
|
||
|
glEnd();
|
||
|
}
|
||
|
|
||
|
|
||
|
GLfloat last_r=0, last_g=0, last_b=0;
|
||
|
int do_pal_step=0;
|
||
|
void ogl_do_palfx(void){
|
||
|
// GLfloat r,g,b,a;
|
||
|
OGL_DISABLE(TEXTURE_2D);
|
||
|
if (gr_palette_faded_out){
|
||
|
/* glEnable(GL_BLEND);
|
||
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);*/
|
||
|
glColor3f(0,0,0);
|
||
|
// r=g=b=0.0;a=1.0;
|
||
|
}else{
|
||
|
if (do_pal_step){
|
||
|
//glBlendFunc(GL_SRC_COLOR, GL_DST_COLOR);
|
||
|
glEnable(GL_BLEND);
|
||
|
glBlendFunc(GL_ONE,GL_ONE);
|
||
|
glColor3f(last_r,last_g,last_b);
|
||
|
// r=f2fl(last_r);g=f2fl(last_g);b=f2fl(last_b);a=0.5;
|
||
|
}else
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
|
||
|
glBegin(GL_QUADS);
|
||
|
glVertex2f(0,0);
|
||
|
glVertex2f(0,1);
|
||
|
glVertex2f(1,1);
|
||
|
glVertex2f(1,0);
|
||
|
glEnd();
|
||
|
|
||
|
glEnable(GL_BLEND);
|
||
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||
|
}
|
||
|
|
||
|
void gr_palette_clear()
|
||
|
{
|
||
|
gr_palette_faded_out=1;
|
||
|
}
|
||
|
|
||
|
|
||
|
void gr_palette_step_up( int r, int g, int b )
|
||
|
{
|
||
|
if (gr_palette_faded_out) return;
|
||
|
|
||
|
// if ( (r==last_r) && (g==last_g) && (b==last_b) ) return;
|
||
|
|
||
|
/* last_r = r/63.0;
|
||
|
last_g = g/63.0;
|
||
|
last_b = b/63.0;
|
||
|
do_pal_step=(r || g || b);*/
|
||
|
|
||
|
last_r = (r+gr_palette_gamma)/63.0;
|
||
|
last_g = (g+gr_palette_gamma)/63.0;
|
||
|
last_b = (b+gr_palette_gamma)/63.0;
|
||
|
|
||
|
do_pal_step=(r || g || b || gr_palette_gamma);
|
||
|
|
||
|
}
|
||
|
|
||
|
//added on 980913 by adb to fix palette problems
|
||
|
// need a min without side effects...
|
||
|
#undef min
|
||
|
static inline int min(int x, int y) { return x < y ? x : y; }
|
||
|
//end changes by adb
|
||
|
|
||
|
void gr_palette_load( ubyte *pal )
|
||
|
{
|
||
|
int i;//, j;
|
||
|
|
||
|
for (i=0; i<768; i++ ) {
|
||
|
gr_current_pal[i] = pal[i];
|
||
|
if (gr_current_pal[i] > 63) gr_current_pal[i] = 63;
|
||
|
}
|
||
|
//palette = screen->format->palette;
|
||
|
|
||
|
gr_palette_faded_out=0;
|
||
|
|
||
|
init_computed_colors();
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
int gr_palette_fade_out(ubyte *pal, int nsteps, int allow_keys)
|
||
|
{
|
||
|
gr_palette_faded_out=1;
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
int gr_palette_fade_in(ubyte *pal, int nsteps, int allow_keys)
|
||
|
{
|
||
|
gr_palette_faded_out=0;
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
void gr_palette_read(ubyte * pal)
|
||
|
{
|
||
|
int i;
|
||
|
for (i=0; i<768; i++ ) {
|
||
|
pal[i]=gr_current_pal[i];
|
||
|
if (pal[i] > 63) pal[i] = 63;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#define GL_BGR_EXT 0x80E0
|
||
|
|
||
|
typedef struct {
|
||
|
unsigned char TGAheader[12];
|
||
|
unsigned char header[6];
|
||
|
} TGA_header;
|
||
|
|
||
|
//writes out an uncompressed RGB .tga file
|
||
|
//if we got really spiffy, we could optionally link in libpng or something, and use that.
|
||
|
void write_bmp(char *savename,int w,int h,unsigned char *buf){ // ZICO - modified for win32
|
||
|
FILE* TGAFile;
|
||
|
TGA_header TGA;
|
||
|
GLbyte HeightH,HeightL,WidthH,WidthL;
|
||
|
|
||
|
buf = (unsigned char*)calloc(w*h*3,sizeof(unsigned char));
|
||
|
|
||
|
glReadPixels(0,0,w,h,GL_BGR_EXT,GL_UNSIGNED_BYTE,buf);
|
||
|
|
||
|
TGAFile = fopen(savename, "wb");
|
||
|
|
||
|
HeightH = (GLbyte)(h / 256);
|
||
|
HeightL = (GLbyte)(h % 256);
|
||
|
WidthH = (GLbyte)(w / 256);
|
||
|
WidthL = (GLbyte)(w % 256);
|
||
|
// Write TGA Header
|
||
|
TGA.TGAheader[0] = 0;
|
||
|
TGA.TGAheader[1] = 0;
|
||
|
TGA.TGAheader[2] = 2;
|
||
|
TGA.TGAheader[3] = 0;
|
||
|
TGA.TGAheader[4] = 0;
|
||
|
TGA.TGAheader[5] = 0;
|
||
|
TGA.TGAheader[6] = 0;
|
||
|
TGA.TGAheader[7] = 0;
|
||
|
TGA.TGAheader[8] = 0;
|
||
|
TGA.TGAheader[9] = 0;
|
||
|
TGA.TGAheader[10] = 0;
|
||
|
TGA.TGAheader[11] = 0;
|
||
|
TGA.header[0] = (GLbyte) WidthL;
|
||
|
TGA.header[1] = (GLbyte) WidthH;
|
||
|
TGA.header[2] = (GLbyte) HeightL;
|
||
|
TGA.header[3] = (GLbyte) HeightH;
|
||
|
TGA.header[4] = (GLbyte) 24;
|
||
|
TGA.header[5] = 0;
|
||
|
fwrite(&TGA,sizeof(TGA_header),1,TGAFile);
|
||
|
fwrite(buf,w*h*3*sizeof(unsigned char),1,TGAFile);
|
||
|
fclose(TGAFile);
|
||
|
free(buf);
|
||
|
}
|
||
|
|
||
|
void save_screen_shot(int automap_flag)
|
||
|
{
|
||
|
// fix t1;
|
||
|
char message[100];
|
||
|
static int savenum=0;
|
||
|
char savename[13];
|
||
|
unsigned char *buf;
|
||
|
|
||
|
if (!ogl_readpixels_ok){
|
||
|
if (!automap_flag)
|
||
|
hud_message(MSGC_GAME_FEEDBACK,"glReadPixels not supported on your configuration");
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
stop_time();
|
||
|
|
||
|
//added/changed on 10/31/98 by Victor Rachels to fix overwrite each new game
|
||
|
if ( savenum == 9999 ) savenum = 0;
|
||
|
sprintf(savename,"scrn%04d.tga",savenum++);
|
||
|
|
||
|
while(!access(savename,0))
|
||
|
{
|
||
|
if ( savenum == 9999 ) savenum = 0;
|
||
|
sprintf(savename,"scrn%04d.tga",savenum++);
|
||
|
}
|
||
|
sprintf( message, "%s '%s'", TXT_DUMPING_SCREEN, savename );
|
||
|
//end this section addition/change - Victor Rachels
|
||
|
|
||
|
if (automap_flag) {
|
||
|
} else {
|
||
|
hud_message(MSGC_GAME_FEEDBACK,message);
|
||
|
}
|
||
|
|
||
|
buf = malloc(grd_curscreen->sc_w*grd_curscreen->sc_h*3);
|
||
|
glReadBuffer(GL_FRONT);
|
||
|
//glReadPixels(0,0,grd_curscreen->sc_w,grd_curscreen->sc_h,GL_RGB,GL_UNSIGNED_BYTE,buf);
|
||
|
write_bmp(savename,grd_curscreen->sc_w,grd_curscreen->sc_h,buf);
|
||
|
free(buf);
|
||
|
|
||
|
key_flush();
|
||
|
start_time();
|
||
|
}
|