123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246 |
- /*
- Copyright (C) 1997-2001 Id Software, Inc.
- 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- // r_misc.c
- #include "gl_local.h"
- /*
- ==================
- R_InitParticleTexture
- ==================
- */
- byte dottexture[8][8] =
- {
- {0,0,0,0,0,0,0,0},
- {0,0,1,1,0,0,0,0},
- {0,1,1,1,1,0,0,0},
- {0,1,1,1,1,0,0,0},
- {0,0,1,1,0,0,0,0},
- {0,0,0,0,0,0,0,0},
- {0,0,0,0,0,0,0,0},
- {0,0,0,0,0,0,0,0},
- };
- void R_InitParticleTexture (void)
- {
- int x,y;
- byte data[8][8][4];
- //
- // particle texture
- //
- for (x=0 ; x<8 ; x++)
- {
- for (y=0 ; y<8 ; y++)
- {
- data[y][x][0] = 255;
- data[y][x][1] = 255;
- data[y][x][2] = 255;
- data[y][x][3] = dottexture[x][y]*255;
- }
- }
- r_particletexture = GL_LoadPic ("***particle***", (byte *)data, 8, 8, it_sprite, 32);
- //
- // also use this for bad textures, but without alpha
- //
- for (x=0 ; x<8 ; x++)
- {
- for (y=0 ; y<8 ; y++)
- {
- data[y][x][0] = dottexture[x&3][y&3]*255;
- data[y][x][1] = 0; // dottexture[x&3][y&3]*255;
- data[y][x][2] = 0; //dottexture[x&3][y&3]*255;
- data[y][x][3] = 255;
- }
- }
- r_notexture = GL_LoadPic ("***r_notexture***", (byte *)data, 8, 8, it_wall, 32);
- }
- /*
- ==============================================================================
-
- SCREEN SHOTS
-
- ==============================================================================
- */
- typedef struct _TargaHeader {
- unsigned char id_length, colormap_type, image_type;
- unsigned short colormap_index, colormap_length;
- unsigned char colormap_size;
- unsigned short x_origin, y_origin, width, height;
- unsigned char pixel_size, attributes;
- } TargaHeader;
- /*
- ==================
- GL_ScreenShot_f
- ==================
- */
- void GL_ScreenShot_f (void)
- {
- byte *buffer;
- char picname[80];
- char checkname[MAX_OSPATH];
- int i, c, temp;
- FILE *f;
- // create the scrnshots directory if it doesn't exist
- Com_sprintf (checkname, sizeof(checkname), "%s/scrnshot", ri.FS_Gamedir());
- Sys_Mkdir (checkname);
- //
- // find a file name to save it to
- //
- strcpy(picname,"quake00.tga");
- for (i=0 ; i<=99 ; i++)
- {
- picname[5] = i/10 + '0';
- picname[6] = i%10 + '0';
- Com_sprintf (checkname, sizeof(checkname), "%s/scrnshot/%s", ri.FS_Gamedir(), picname);
- f = fopen (checkname, "rb");
- if (!f)
- break; // file doesn't exist
- fclose (f);
- }
- if (i==100)
- {
- ri.Con_Printf (PRINT_ALL, "SCR_ScreenShot_f: Couldn't create a file\n");
- return;
- }
- buffer = malloc(vid.width*vid.height*3 + 18);
- memset (buffer, 0, 18);
- buffer[2] = 2; // uncompressed type
- buffer[12] = vid.width&255;
- buffer[13] = vid.width>>8;
- buffer[14] = vid.height&255;
- buffer[15] = vid.height>>8;
- buffer[16] = 24; // pixel size
- qglReadPixels (0, 0, vid.width, vid.height, GL_RGB, GL_UNSIGNED_BYTE, buffer+18 );
- // swap rgb to bgr
- c = 18+vid.width*vid.height*3;
- for (i=18 ; i<c ; i+=3)
- {
- temp = buffer[i];
- buffer[i] = buffer[i+2];
- buffer[i+2] = temp;
- }
- f = fopen (checkname, "wb");
- fwrite (buffer, 1, c, f);
- fclose (f);
- free (buffer);
- ri.Con_Printf (PRINT_ALL, "Wrote %s\n", picname);
- }
- /*
- ** GL_Strings_f
- */
- void GL_Strings_f( void )
- {
- ri.Con_Printf (PRINT_ALL, "GL_VENDOR: %s\n", gl_config.vendor_string );
- ri.Con_Printf (PRINT_ALL, "GL_RENDERER: %s\n", gl_config.renderer_string );
- ri.Con_Printf (PRINT_ALL, "GL_VERSION: %s\n", gl_config.version_string );
- ri.Con_Printf (PRINT_ALL, "GL_EXTENSIONS: %s\n", gl_config.extensions_string );
- }
- /*
- ** GL_SetDefaultState
- */
- void GL_SetDefaultState( void )
- {
- qglClearColor (1,0, 0.5 , 0.5);
- qglCullFace(GL_FRONT);
- qglEnable(GL_TEXTURE_2D);
- qglEnable(GL_ALPHA_TEST);
- qglAlphaFunc(GL_GREATER, 0.666);
- qglDisable (GL_DEPTH_TEST);
- qglDisable (GL_CULL_FACE);
- qglDisable (GL_BLEND);
- qglColor4f (1,1,1,1);
- qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
- qglShadeModel (GL_FLAT);
- GL_TextureMode( gl_texturemode->string );
- GL_TextureAlphaMode( gl_texturealphamode->string );
- GL_TextureSolidMode( gl_texturesolidmode->string );
- qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
- qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max);
- qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- GL_TexEnv( GL_REPLACE );
- if ( qglPointParameterfEXT )
- {
- float attenuations[3];
- attenuations[0] = gl_particle_att_a->value;
- attenuations[1] = gl_particle_att_b->value;
- attenuations[2] = gl_particle_att_c->value;
- qglEnable( GL_POINT_SMOOTH );
- qglPointParameterfEXT( GL_POINT_SIZE_MIN_EXT, gl_particle_min_size->value );
- qglPointParameterfEXT( GL_POINT_SIZE_MAX_EXT, gl_particle_max_size->value );
- qglPointParameterfvEXT( GL_DISTANCE_ATTENUATION_EXT, attenuations );
- }
- if ( qglColorTableEXT && gl_ext_palettedtexture->value )
- {
- qglEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
- GL_SetTexturePalette( d_8to24table );
- }
- GL_UpdateSwapInterval();
- }
- void GL_UpdateSwapInterval( void )
- {
- if ( gl_swapinterval->modified )
- {
- gl_swapinterval->modified = false;
- if ( !gl_state.stereo_enabled )
- {
- #ifdef _WIN32
- if ( qwglSwapIntervalEXT )
- qwglSwapIntervalEXT( gl_swapinterval->value );
- #endif
- }
- }
- }
|