/* Copyright (C) 1996-1997 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. */ #include "quakedef.h" #include "image.h" static rtexture_t *char_texture; //============================================================================= /* Support Routines */ #define MAX_CACHED_PICS 256 #define CACHEPICHASHSIZE 256 static cachepic_t *cachepichash[CACHEPICHASHSIZE]; static cachepic_t cachepics[MAX_CACHED_PICS]; static int numcachepics; static rtexturepool_t *drawtexturepool; static qbyte pointerimage[256] = { "333333332......." "26777761........" "2655541........." "265541.........." "2654561........." "26414561........" "251.14561......." "21...14561......" "1.....141......." ".......1........" "................" "................" "................" "................" "................" "................" }; static rtexture_t *draw_generatemousepointer(void) { int i; qbyte buffer[256][4]; for (i = 0;i < 256;i++) { if (pointerimage[i] == '.') { buffer[i][0] = 0; buffer[i][1] = 0; buffer[i][2] = 0; buffer[i][3] = 0; } else { buffer[i][0] = (pointerimage[i] - '0') * 16; buffer[i][1] = (pointerimage[i] - '0') * 16; buffer[i][2] = (pointerimage[i] - '0') * 16; buffer[i][3] = 255; } } return R_LoadTexture2D(drawtexturepool, "mousepointer", 16, 16, &buffer[0][0], TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL); } // must match NUMCROSSHAIRS in r_crosshairs.c #define NUMCROSSHAIRS 5 static qbyte *crosshairtexdata[NUMCROSSHAIRS] = { "................" "................" "................" "...33......33..." "...355....553..." "....577..775...." ".....77..77....." "................" "................" ".....77..77....." "....577..775...." "...355....553..." "...33......33..." "................" "................" "................" , "................" "................" "................" "...3........3..." "....5......5...." ".....7....7....." "......7..7......" "................" "................" "......7..7......" ".....7....7....." "....5......5...." "...3........3..." "................" "................" "................" , "................" ".......77......." ".......77......." "................" "................" ".......44......." ".......44......." ".77..44..44..77." ".77..44..44..77." ".......44......." ".......44......." "................" ".......77......." ".......77......." "................" "................" , "................" "................" "................" "................" "................" "................" "................" "................" "........7777777." "........752....." "........72......" "........7......." "........7......." "........7......." "................" "................" , "................" "................" "................" "................" "................" "........7......." "................" "........4......." ".....7.4.4.7...." "........4......." "................" "........7......." "................" "................" "................" "................" }; static rtexture_t *draw_generatecrosshair(int num) { int i; char *in; qbyte data[16*16][4]; in = crosshairtexdata[num]; for (i = 0;i < 16*16;i++) { if (in[i] == '.') { data[i][0] = 255; data[i][1] = 255; data[i][2] = 255; data[i][3] = 0; } else { data[i][0] = 255; data[i][1] = 255; data[i][2] = 255; data[i][3] = (qbyte) ((int) (in[i] - '0') * 255 / 7); } } return R_LoadTexture2D(drawtexturepool, va("crosshair%i", num), 16, 16, &data[0][0], TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL); } static rtexture_t *draw_generateditherpattern(void) { qbyte data[16]; memset(data, 255, sizeof(data)); data[0] = data[1] = data[2] = data[12] = data[13] = data[14] = 0; return R_LoadTexture2D(drawtexturepool, "ditherpattern", 2, 2, data, TEXTYPE_RGBA, TEXF_FORCENEAREST | TEXF_PRECACHE, NULL); } /* ================ Draw_CachePic ================ */ // FIXME: move this to client somehow cachepic_t *Draw_CachePic (char *path) { int i, crc, hashkey; cachepic_t *pic; qpic_t *p; crc = CRC_Block(path, strlen(path)); hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE; for (pic = cachepichash[hashkey];pic;pic = pic->chain) if (!strcmp (path, pic->name)) return pic; if (numcachepics == MAX_CACHED_PICS) Sys_Error ("numcachepics == MAX_CACHED_PICS"); pic = cachepics + (numcachepics++); strcpy (pic->name, path); // link into list pic->chain = cachepichash[hashkey]; cachepichash[hashkey] = pic; // load the pic from disk pic->tex = loadtextureimage(drawtexturepool, path, 0, 0, false, TEXF_ALPHA | TEXF_PRECACHE); if (pic->tex == NULL && !strncmp(path, "gfx/", 4)) { // compatibility with older versions pic->tex = loadtextureimage(drawtexturepool, path + 4, 0, 0, false, TEXF_ALPHA | TEXF_PRECACHE); // failed to find gfx/whatever.tga or similar, try the wad if (pic->tex == NULL && (p = W_GetLumpName (path + 4))) { if (!strcmp(path, "gfx/conchars")) { qbyte *pix; // conchars is a raw image and with the wrong transparent color pix = (qbyte *)p; for (i = 0;i < 128 * 128;i++) if (pix[i] == 0) pix[i] = 255; pic->tex = R_LoadTexture2D(drawtexturepool, path, 128, 128, pix, TEXTYPE_PALETTE, TEXF_ALPHA | TEXF_PRECACHE, palette_complete); } else pic->tex = R_LoadTexture2D(drawtexturepool, path, p->width, p->height, p->data, TEXTYPE_PALETTE, TEXF_ALPHA | TEXF_PRECACHE, palette_complete); } } if (pic->tex == NULL && !strcmp(path, "ui/mousepointer.tga")) pic->tex = draw_generatemousepointer(); if (pic->tex == NULL && !strcmp(path, "gfx/crosshair1.tga")) pic->tex = draw_generatecrosshair(0); if (pic->tex == NULL && !strcmp(path, "gfx/crosshair2.tga")) pic->tex = draw_generatecrosshair(1); if (pic->tex == NULL && !strcmp(path, "gfx/crosshair3.tga")) pic->tex = draw_generatecrosshair(2); if (pic->tex == NULL && !strcmp(path, "gfx/crosshair4.tga")) pic->tex = draw_generatecrosshair(3); if (pic->tex == NULL && !strcmp(path, "gfx/crosshair5.tga")) pic->tex = draw_generatecrosshair(4); if (pic->tex == NULL && !strcmp(path, "gfx/colorcontrol/ditherpattern.tga")) pic->tex = draw_generateditherpattern(); if (pic->tex == NULL) { Con_Printf ("Draw_CachePic: failed to load %s\n", path); pic->tex = r_notexture; } pic->width = R_TextureWidth(pic->tex); pic->height = R_TextureHeight(pic->tex); return pic; } cachepic_t *Draw_NewPic(char *picname, int width, int height, int alpha, qbyte *pixels) { int crc, hashkey; cachepic_t *pic; crc = CRC_Block(picname, strlen(picname)); hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE; for (pic = cachepichash[hashkey];pic;pic = pic->chain) if (!strcmp (picname, pic->name)) break; if (pic) { if (pic->tex && pic->width == width && pic->height == height) { R_UpdateTexture(pic->tex, pixels); return pic; } } else { if (pic == NULL) { if (numcachepics == MAX_CACHED_PICS) Sys_Error ("numcachepics == MAX_CACHED_PICS"); pic = cachepics + (numcachepics++); strcpy (pic->name, picname); // link into list pic->chain = cachepichash[hashkey]; cachepichash[hashkey] = pic; } } pic->width = width; pic->height = height; if (pic->tex) R_FreeTexture(pic->tex); pic->tex = R_LoadTexture2D(drawtexturepool, picname, width, height, pixels, TEXTYPE_RGBA, alpha ? TEXF_ALPHA : 0, NULL); return pic; } void Draw_FreePic(char *picname) { int crc; int hashkey; cachepic_t *pic; // this doesn't really free the pic, but does free it's texture crc = CRC_Block(picname, strlen(picname)); hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE; for (pic = cachepichash[hashkey];pic;pic = pic->chain) { if (!strcmp (picname, pic->name) && pic->tex) { R_FreeTexture(pic->tex); pic->width = 0; pic->height = 0; return; } } } /* =============== Draw_Init =============== */ static void gl_draw_start(void) { drawtexturepool = R_AllocTexturePool(); numcachepics = 0; memset(cachepichash, 0, sizeof(cachepichash)); char_texture = Draw_CachePic("gfx/conchars")->tex; } static void gl_draw_shutdown(void) { R_FreeTexturePool(&drawtexturepool); numcachepics = 0; memset(cachepichash, 0, sizeof(cachepichash)); } static void gl_draw_newmap(void) { } void GL_Draw_Init (void) { numcachepics = 0; memset(cachepichash, 0, sizeof(cachepichash)); R_RegisterModule("GL_Draw", gl_draw_start, gl_draw_shutdown, gl_draw_newmap); } float blendvertex3f[9] = {-5000, -5000, 10, 10000, -5000, 10, -5000, 10000, 10}; int quadelements[768]; void R_DrawQueue(void) { int pos, num, chartexnum, texnum, batch; float x, y, w, h, s, t, u, v, *av, *at, c[4]; cachepic_t *pic; drawqueue_t *dq; char *str, *currentpic; int batchcount; unsigned int color; drawqueuemesh_t *mesh; rmeshstate_t m; if (!r_render.integer) return; if (!quadelements[1]) { // elements for rendering a series of quads as triangles for (batch = 0, pos = 0, num = 0;batch < 128;batch++, num += 4) { quadelements[pos++] = num; quadelements[pos++] = num + 1; quadelements[pos++] = num + 2; quadelements[pos++] = num; quadelements[pos++] = num + 2; quadelements[pos++] = num + 3; } } GL_SetupView_ViewPort(vid.realx, vid.realy, vid.realwidth, vid.realheight); GL_SetupView_Mode_Ortho(0, 0, vid.conwidth, vid.conheight, -10, 100); qglDepthFunc(GL_LEQUAL); R_Mesh_Start(); R_Mesh_Matrix(&r_identitymatrix); chartexnum = R_GetTexture(char_texture); memset(&m, 0, sizeof(m)); m.tex[0] = 0; R_Mesh_State_Texture(&m); currentpic = ""; pic = NULL; texnum = 0; color = 0; batch = false; batchcount = 0; for (pos = 0;pos < r_refdef.drawqueuesize;pos += ((drawqueue_t *)(r_refdef.drawqueue + pos))->size) { dq = (drawqueue_t *)(r_refdef.drawqueue + pos); color = dq->color; if(dq->flags == DRAWFLAG_ADDITIVE) GL_BlendFunc(GL_SRC_ALPHA, GL_ONE); else if(dq->flags == DRAWFLAG_MODULATE) GL_BlendFunc(GL_DST_COLOR, GL_ZERO); else if(dq->flags == DRAWFLAG_2XMODULATE) GL_BlendFunc(GL_DST_COLOR,GL_SRC_COLOR); else GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); GL_DepthMask(true); GL_DepthTest(false); c[0] = (float) ((color >> 24) & 0xFF) * (1.0f / 255.0f); c[1] = (float) ((color >> 16) & 0xFF) * (1.0f / 255.0f); c[2] = (float) ((color >> 8) & 0xFF) * (1.0f / 255.0f); c[3] = (float) ( color & 0xFF) * (1.0f / 255.0f); x = dq->x; y = dq->y; w = dq->scalex; h = dq->scaley; switch(dq->command) { case DRAWQUEUE_STRING: GL_Color(c[0], c[1], c[2], c[3]); str = (char *)(dq + 1); if (strcmp("gfx/conchars", currentpic)) { currentpic = "gfx/conchars"; m.tex[0] = chartexnum; } batchcount = 0; GL_VertexPointer(varray_vertex3f); m.pointer_texcoord[0] = varray_texcoord2f[0]; R_Mesh_State_Texture(&m); at = varray_texcoord2f[0]; av = varray_vertex3f; while ((num = *str++) && x < vid.conwidth) { if (num != ' ') { s = (num & 15)*0.0625f + (0.5f / 256.0f); t = (num >> 4)*0.0625f + (0.5f / 256.0f); u = 0.0625f - (1.0f / 256.0f); v = 0.0625f - (1.0f / 256.0f); at[ 0] = s ;at[ 1] = t ; at[ 2] = s+u;at[ 3] = t ; at[ 4] = s+u;at[ 5] = t+v; at[ 6] = s ;at[ 7] = t+v; av[ 0] = x ;av[ 1] = y ;av[ 2] = 10; av[ 3] = x+w;av[ 4] = y ;av[ 5] = 10; av[ 6] = x+w;av[ 7] = y+h;av[ 8] = 10; av[ 9] = x ;av[10] = y+h;av[11] = 10; at += 8; av += 12; batchcount++; if (batchcount >= 128) { R_Mesh_Draw(batchcount * 4, batchcount * 2, quadelements); batchcount = 0; at = varray_texcoord2f[0]; av = varray_vertex3f; } } x += w; } if (batchcount > 0) R_Mesh_Draw(batchcount * 4, batchcount * 2, quadelements); break; case DRAWQUEUE_MESH: mesh = (void *)(dq + 1); GL_VertexPointer(mesh->data_vertex3f); GL_ColorPointer(mesh->data_color4f); m.tex[0] = R_GetTexture(mesh->texture); m.pointer_texcoord[0] = mesh->data_texcoord2f; R_Mesh_State_Texture(&m); R_Mesh_Draw(mesh->num_vertices, mesh->num_triangles, mesh->data_element3i); currentpic = "\0"; break; case DRAWQUEUE_SETCLIP: { // We have to convert the con coords into real coords int x , y, width, height; x = dq->x * ((float)vid.realwidth / vid.conwidth); // OGL uses top to bottom y = dq->y * ((float) vid.realheight / vid.conheight); width = dq->scalex * ((float)vid.realwidth / vid.conwidth); height = dq->scaley * ((float)vid.realheight / vid.conheight); GL_Scissor(x, y, width, height); GL_ScissorTest(true); } break; case DRAWQUEUE_RESETCLIP: GL_ScissorTest(false); break; } } if (!vid_usinghwgamma) { // all the blends ignore depth memset(&m, 0, sizeof(m)); R_Mesh_State_Texture(&m); GL_DepthMask(true); GL_DepthTest(false); if (v_color_enable.integer) { c[0] = v_color_white_r.value; c[1] = v_color_white_g.value; c[2] = v_color_white_b.value; } else c[0] = c[1] = c[2] = v_contrast.value; if (c[0] >= 1.01f || c[1] >= 1.01f || c[2] >= 1.01f) { GL_BlendFunc(GL_DST_COLOR, GL_ONE); GL_VertexPointer(blendvertex3f); while (c[0] >= 1.01f || c[1] >= 1.01f || c[2] >= 1.01f) { GL_Color(bound(0, c[0] - 1, 1), bound(0, c[1] - 1, 1), bound(0, c[2] - 1, 1), 1); R_Mesh_Draw(3, 1, polygonelements); VectorScale(c, 0.5, c); } } if (v_color_enable.integer) { c[0] = v_color_black_r.value; c[1] = v_color_black_g.value; c[2] = v_color_black_b.value; } else c[0] = c[1] = c[2] = v_brightness.value; if (c[0] >= 0.01f || c[1] >= 0.01f || c[2] >= 0.01f) { GL_BlendFunc(GL_ONE, GL_ONE); GL_VertexPointer(blendvertex3f); GL_Color(c[0], c[1], c[2], 1); R_Mesh_Draw(3, 1, polygonelements); } } R_Mesh_Finish(); }