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a97007ae5a
package manager: reworked to enable/disable plugins when downloaded, which can also be present-but-disabled. package manager: display a confirmation prompt before applying changes. do not allow other changes to be made while applying. prompt may be skipped with 'pkg apply' in dedicated servers. sv: downloads are no longer forced to lower case. sv: added sv_demoAutoCompress cvar. set to 1 to directly record to *.mvd.gz cl: properly support directly playing .mvd.gz files menus: reworked to separate mouse and keyboard focus. mouse focus becomes keyboard focus only on mouse clicks. tooltips follow mouse cursors. menus: cleaned up menu heirachy a little. now simpler. server browser: changed 'hide *' filters to 'show *' instead. I felt it was more logical. deluxmapping: changed to disabled, load, generate, like r_loadlit is. render targets api now supports negative formats to mean nearest filtering, where filtering is part of texture state. drawrotpic fixed, now batches and interacts with drawpic correctly. drawline fixed, no interacts with draw* correctly, but still does not batch. fixed saving games. provide proper userinfo to nq clients, where supported. qcc: catch string table overflows safely, giving errors instead of crashes. switch to 32bit statements if some over-sized function requires it. qtv: some bigcoords support tweaks git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5073 fc73d0e0-1445-4013-8a0c-d673dee63da5
1831 lines
46 KiB
C
1831 lines
46 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// r_light.c
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#include "quakedef.h"
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#ifndef SERVERONLY
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#include "glquake.h"
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#include "shader.h"
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extern cvar_t r_shadow_realtime_world, r_shadow_realtime_world_lightmaps;
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extern cvar_t r_hdr_irisadaptation, r_hdr_irisadaptation_multiplier, r_hdr_irisadaptation_minvalue, r_hdr_irisadaptation_maxvalue, r_hdr_irisadaptation_fade_down, r_hdr_irisadaptation_fade_up;
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int r_dlightframecount;
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int d_lightstylevalue[256]; // 8.8 fraction of base light value
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void R_UpdateLightStyle(unsigned int style, const char *stylestring, float r, float g, float b)
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{
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if (style >= MAX_LIGHTSTYLES)
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return;
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if (!stylestring)
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stylestring = "";
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Q_strncpyz (cl_lightstyle[style].map, stylestring, sizeof(cl_lightstyle[style].map));
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cl_lightstyle[style].length = Q_strlen(cl_lightstyle[style].map);
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if (!cl_lightstyle[style].length)
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{
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d_lightstylevalue[style] = 256;
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VectorSet(cl_lightstyle[style].colours, 1,1,1);
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}
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else
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VectorSet(cl_lightstyle[style].colours, r,g,b);
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cl_lightstyle[style].colourkey = (int)(cl_lightstyle[style].colours[0]*0x400) ^ (int)(cl_lightstyle[style].colours[1]*0x100000) ^ (int)(cl_lightstyle[style].colours[2]*0x40000000);
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}
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void Sh_CalcPointLight(vec3_t point, vec3_t light);
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void R_UpdateHDR(vec3_t org)
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{
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if (r_hdr_irisadaptation.ival && cl.worldmodel && !(r_refdef.flags & RDF_NOWORLDMODEL))
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{
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//fake and lame, but whatever.
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vec3_t ambient, diffuse, dir;
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float lev = 0;
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#ifdef RTLIGHTS
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Sh_CalcPointLight(org, ambient);
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lev += VectorLength(ambient);
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if (!r_shadow_realtime_world.ival || r_shadow_realtime_world_lightmaps.value)
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#endif
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{
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cl.worldmodel->funcs.LightPointValues(cl.worldmodel, org, ambient, diffuse, dir);
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lev += (VectorLength(ambient) + VectorLength(diffuse))/256;
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}
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lev += 0.001; //no division by 0!
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lev = r_hdr_irisadaptation_multiplier.value / lev;
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lev = bound(r_hdr_irisadaptation_minvalue.value, lev, r_hdr_irisadaptation_maxvalue.value);
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if (lev > r_refdef.playerview->hdr_last + r_hdr_irisadaptation_fade_up.value*host_frametime)
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lev = r_refdef.playerview->hdr_last + r_hdr_irisadaptation_fade_up.value*host_frametime;
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else if (lev < r_refdef.playerview->hdr_last - r_hdr_irisadaptation_fade_down.value*host_frametime)
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lev = r_refdef.playerview->hdr_last - r_hdr_irisadaptation_fade_down.value*host_frametime;
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lev = bound(r_hdr_irisadaptation_minvalue.value, lev, r_hdr_irisadaptation_maxvalue.value);
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r_refdef.playerview->hdr_last = lev;
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r_refdef.hdr_value = lev;
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}
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else
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r_refdef.hdr_value = 1;
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}
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/*
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==================
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R_AnimateLight
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==================
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*/
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void R_AnimateLight (void)
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{
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int i,j;
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float f;
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//if (r_lightstylescale.value > 2)
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//r_lightstylescale.value = 2;
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//
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// light animations
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// 'm' is normal light, 'a' is no light, 'z' is double bright
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f = (cl.time*r_lightstylespeed.value);
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if (f < 0)
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f = 0;
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i = (int)f;
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f -= i; //this can require updates at 1000 times a second.. Depends on your framerate of course
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for (j=0 ; j<MAX_LIGHTSTYLES ; j++)
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{
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int v1, v2, vd;
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if (!cl_lightstyle[j].length)
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{
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d_lightstylevalue[j] = ('m'-'a')*22 * r_lightstylescale.value;
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continue;
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}
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if (cl_lightstyle[j].map[0] == '=')
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{
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d_lightstylevalue[j] = atof(cl_lightstyle[j].map+1)*256*r_lightstylescale.value;
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continue;
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}
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v1 = i % cl_lightstyle[j].length;
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v1 = cl_lightstyle[j].map[v1] - 'a';
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v2 = (i+1) % cl_lightstyle[j].length;
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v2 = cl_lightstyle[j].map[v2] - 'a';
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vd = v1 - v2;
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if (!r_lightstylesmooth.ival || vd < -r_lightstylesmooth_limit.ival || vd > r_lightstylesmooth_limit.ival)
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d_lightstylevalue[j] = v1*22*r_lightstylescale.value;
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else
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d_lightstylevalue[j] = (v1*(1-f) + v2*(f))*22*r_lightstylescale.value;
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}
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}
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/*
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=============================================================================
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DYNAMIC LIGHTS BLEND RENDERING
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=============================================================================
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*/
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void AddLightBlend (float r, float g, float b, float a2)
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{
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float a;
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float *sw_blend = r_refdef.playerview->screentint;
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r = bound(0, r, 1);
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g = bound(0, g, 1);
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b = bound(0, b, 1);
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sw_blend[3] = a = sw_blend[3] + a2*(1-sw_blend[3]);
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a2 = a2/a;
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sw_blend[0] = sw_blend[0]*(1-a2) + r*a2;
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sw_blend[1] = sw_blend[1]*(1-a2) + g*a2;
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sw_blend[2] = sw_blend[2]*(1-a2) + b*a2;
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//Con_Printf("AddLightBlend(): %4.2f %4.2f %4.2f %4.6f\n", v_blend[0], v_blend[1], v_blend[2], v_blend[3]);
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}
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#define FLASHBLEND_VERTS 16
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static float bubble_sintable[FLASHBLEND_VERTS+1], bubble_costable[FLASHBLEND_VERTS+1];
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static void R_InitBubble(void)
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{
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float a;
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int i;
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float *bub_sin, *bub_cos;
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bub_sin = bubble_sintable;
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bub_cos = bubble_costable;
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for (i=FLASHBLEND_VERTS ; i>=0 ; i--)
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{
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a = i/(float)FLASHBLEND_VERTS * M_PI*2;
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*bub_sin++ = sin(a);
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*bub_cos++ = cos(a);
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}
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}
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avec4_t flashblend_colours[FLASHBLEND_VERTS+1];
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vecV_t flashblend_vcoords[FLASHBLEND_VERTS+1];
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vec2_t flashblend_tccoords[FLASHBLEND_VERTS+1];
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index_t flashblend_indexes[FLASHBLEND_VERTS*3];
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index_t flashblend_fsindexes[6] = {0, 1, 2, 0, 2, 3};
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mesh_t flashblend_mesh;
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mesh_t flashblend_fsmesh;
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shader_t *occluded_shader;
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shader_t *flashblend_shader;
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shader_t *lpplight_shader[LSHADER_MODES];
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void R_GenerateFlashblendTexture(void)
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{
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float dx, dy;
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int x, y, a;
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unsigned char pixels[32][32][4];
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for (y = 0;y < 32;y++)
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{
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dy = (y - 15.5f) * (1.0f / 16.0f);
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for (x = 0;x < 32;x++)
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{
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dx = (x - 15.5f) * (1.0f / 16.0f);
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a = (int)(((1.0f / (dx * dx + dy * dy + 0.2f)) - (1.0f / (1.0f + 0.2))) * 32.0f / (1.0f / (1.0f + 0.2)));
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a = bound(0, a, 255);
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pixels[y][x][0] = a;
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pixels[y][x][1] = a;
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pixels[y][x][2] = a;
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pixels[y][x][3] = 255;
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}
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}
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R_LoadReplacementTexture("***flashblend***", NULL, 0, pixels, 32, 32, TF_RGBA32);
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}
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void R_InitFlashblends(void)
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{
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int i;
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R_InitBubble();
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for (i = 0; i < FLASHBLEND_VERTS; i++)
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{
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flashblend_indexes[i*3+0] = 0;
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if (i+1 == FLASHBLEND_VERTS)
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flashblend_indexes[i*3+1] = 1;
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else
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flashblend_indexes[i*3+1] = i+2;
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flashblend_indexes[i*3+2] = i+1;
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flashblend_tccoords[i+1][0] = 0.5 + bubble_sintable[i]*0.5;
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flashblend_tccoords[i+1][1] = 0.5 + bubble_costable[i]*0.5;
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}
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flashblend_tccoords[0][0] = 0.5;
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flashblend_tccoords[0][1] = 0.5;
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flashblend_mesh.numvertexes = FLASHBLEND_VERTS+1;
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flashblend_mesh.xyz_array = flashblend_vcoords;
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flashblend_mesh.st_array = flashblend_tccoords;
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flashblend_mesh.colors4f_array[0] = flashblend_colours;
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flashblend_mesh.indexes = flashblend_indexes;
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flashblend_mesh.numindexes = FLASHBLEND_VERTS*3;
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flashblend_mesh.istrifan = true;
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flashblend_fsmesh.numvertexes = 4;
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flashblend_fsmesh.xyz_array = flashblend_vcoords;
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flashblend_fsmesh.st_array = flashblend_tccoords;
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flashblend_fsmesh.colors4f_array[0] = flashblend_colours;
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flashblend_fsmesh.indexes = flashblend_fsindexes;
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flashblend_fsmesh.numindexes = 6;
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flashblend_fsmesh.istrifan = true;
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R_GenerateFlashblendTexture();
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flashblend_shader = R_RegisterShader("flashblend", SUF_NONE,
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"{\n"
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"program defaultadditivesprite\n"
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"{\n"
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"map ***flashblend***\n"
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"blendfunc gl_one gl_one\n"
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"rgbgen vertex\n"
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"alphagen vertex\n"
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"nodepth\n"
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"}\n"
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"}\n"
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);
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occluded_shader = R_RegisterShader("flashblend_occlusiontest", SUF_NONE,
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"{\n"
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"program defaultadditivesprite\n"
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"{\n"
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"maskcolor\n"
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"maskalpha\n"
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"}\n"
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"}\n"
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);
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memset(lpplight_shader, 0, sizeof(lpplight_shader));
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}
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static qboolean R_BuildDlightMesh(dlight_t *light, float colscale, float radscale, int dtype)
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{
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int i, j;
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// float a;
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vec3_t v;
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float rad;
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float *bub_sin, *bub_cos;
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vec3_t colour;
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bub_sin = bubble_sintable;
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bub_cos = bubble_costable;
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rad = light->radius * radscale;
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VectorCopy(light->color, colour);
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if (light->fov)
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{
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float a = -DotProduct(light->axis[0], vpn);
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colour[0] *= a;
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colour[1] *= a;
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colour[2] *= a;
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rad *= a;
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rad *= 0.33;
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}
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if (light->style)
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{
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colscale *= d_lightstylevalue[light->style-1]/255.0f;
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}
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VectorSubtract (light->origin, r_origin, v);
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if (dtype != 1 && Length (v) < rad + r_refdef.mindist*2)
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{ // view is inside the dlight
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return false;
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}
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flashblend_colours[0][0] = colour[0]*colscale;
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flashblend_colours[0][1] = colour[1]*colscale;
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flashblend_colours[0][2] = colour[2]*colscale;
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flashblend_colours[0][3] = 1;
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VectorCopy(light->origin, flashblend_vcoords[0]);
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for (i=FLASHBLEND_VERTS ; i>0 ; i--)
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{
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for (j=0 ; j<3 ; j++)
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flashblend_vcoords[i][j] = light->origin[j] + (vright[j]*(*bub_cos) +
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+ vup[j]*(*bub_sin)) * rad;
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bub_sin++;
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bub_cos++;
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}
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if (dtype == 0)
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{
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//flashblend 3d-ish
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VectorMA(flashblend_vcoords[0], -rad/1.5, vpn, flashblend_vcoords[0]);
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}
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else if (dtype != 1)
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{
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//prepass lights needs to be fully infront of the light. the glsl is a fullscreen-style effect, but we can benefit from early-z and scissoring
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vec3_t diff;
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VectorSubtract(r_origin, light->origin, diff);
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VectorNormalize(diff);
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for (i=0 ; i<=FLASHBLEND_VERTS ; i++)
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VectorMA(flashblend_vcoords[i], rad, diff, flashblend_vcoords[i]);
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}
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return true;
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}
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/*
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=============
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R_RenderDlights
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=============
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*/
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void R_RenderDlights (void)
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{
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int i;
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dlight_t *l;
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vec3_t waste1, waste2;
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unsigned int beflags = 0;
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float intensity, cscale;
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qboolean coronastyle;
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qboolean flashstyle;
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float dist;
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if (!r_coronas.value && !r_flashblend.value)
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return;
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// r_dlightframecount = r_framecount + 1; // because the count hasn't
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// advanced yet for this frame
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l = cl_dlights+rtlights_first;
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for (i=rtlights_first; i<rtlights_max; i++, l++)
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{
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if (!l->radius)
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continue;
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if (l->corona <= 0)
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continue;
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//dlights emitting from the local player are not visible as flashblends
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if (l->key == r_refdef.playerview->viewentity)
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continue; //was a glow
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if (l->key == -(r_refdef.playerview->viewentity))
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continue; //was a muzzleflash
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coronastyle = (l->flags & (LFLAG_NORMALMODE|LFLAG_REALTIMEMODE)) && r_coronas.value;
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flashstyle = ((l->flags & LFLAG_FLASHBLEND) && r_flashblend.value);
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if (!coronastyle && !flashstyle)
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continue;
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if (coronastyle && flashstyle)
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flashstyle = false;
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cscale = l->coronascale;
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intensity = l->corona;// * 0.25;
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if (coronastyle)
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intensity *= r_coronas.value;
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else
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intensity *= r_flashblend.value;
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if (intensity <= 0 || cscale <= 0)
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continue;
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//prevent the corona from intersecting with the near clip plane by just fading it away if its too close
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VectorSubtract(l->origin, r_refdef.vieworg, waste1);
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dist = VectorLength(waste1);
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if (dist < r_coronas_mindist.value+r_coronas_fadedist.value)
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{
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if (dist <= r_coronas_mindist.value)
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continue;
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intensity *= (dist-r_coronas_mindist.value) / r_coronas_fadedist.value;
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}
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/*coronas use depth testing to compute visibility*/
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if (coronastyle)
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{
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int method;
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if (!*r_coronas_occlusion.string)
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method = 4; //default to using hardware queries where possible.
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else
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method = r_coronas_occlusion.ival;
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switch(method)
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{
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case 2:
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if (TraceLineR(r_refdef.vieworg, l->origin, waste1, waste2))
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continue;
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break;
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case 0:
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break;
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case 3:
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#ifdef GLQUAKE
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if (qrenderer == QR_OPENGL)
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{
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float depth;
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vec3_t out;
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float v[4], tempv[4];
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float mvp[16];
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v[0] = l->origin[0];
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v[1] = l->origin[1];
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v[2] = l->origin[2];
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v[3] = 1;
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Matrix4_Multiply(r_refdef.m_projection, r_refdef.m_view, mvp);
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Matrix4x4_CM_Transform4(mvp, v, tempv);
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tempv[0] /= tempv[3];
|
|
tempv[1] /= tempv[3];
|
|
tempv[2] /= tempv[3];
|
|
|
|
out[0] = (1+tempv[0])/2;
|
|
out[1] = (1+tempv[1])/2;
|
|
out[2] = (1+tempv[2])/2;
|
|
|
|
out[0] = out[0]*r_refdef.pxrect.width + r_refdef.pxrect.x;
|
|
out[1] = out[1]*r_refdef.pxrect.height + r_refdef.pxrect.y;
|
|
if (tempv[3] < 0)
|
|
out[2] *= -1;
|
|
|
|
if (out[2] < 0)
|
|
continue;
|
|
|
|
//FIXME: in terms of performance, mixing reads+draws is BAD BAD BAD. SERIOUSLY BAD
|
|
//it would be an improvement to calculate all of these at once.
|
|
qglReadPixels(out[0], out[1], 1, 1, GL_DEPTH_COMPONENT, GL_FLOAT, &depth);
|
|
if (depth < out[2])
|
|
continue;
|
|
break;
|
|
}
|
|
#endif
|
|
//other renderers fall through
|
|
case 4:
|
|
#ifdef GLQUAKE
|
|
if (qrenderer == QR_OPENGL && qglGenQueriesARB)
|
|
{
|
|
GLuint res;
|
|
qboolean requery = true;
|
|
if (r_refdef.recurse)
|
|
requery = false;
|
|
else if (l->coronaocclusionquery)
|
|
{
|
|
qglGetQueryObjectuivARB(l->coronaocclusionquery, GL_QUERY_RESULT_AVAILABLE_ARB, &res);
|
|
if (res)
|
|
qglGetQueryObjectuivARB(l->coronaocclusionquery, GL_QUERY_RESULT_ARB, &l->coronaocclusionresult);
|
|
else if (!l->coronaocclusionresult)
|
|
continue; //query still running, nor currently visible.
|
|
else
|
|
requery = false;
|
|
}
|
|
else
|
|
{
|
|
qglGenQueriesARB(1, &l->coronaocclusionquery);
|
|
}
|
|
|
|
if (requery)
|
|
{
|
|
qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, l->coronaocclusionquery);
|
|
R_BuildDlightMesh (l, intensity*10, cscale*.1, coronastyle);
|
|
BE_DrawMesh_Single(occluded_shader, &flashblend_mesh, NULL, beflags);
|
|
qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
|
|
}
|
|
|
|
if (!l->coronaocclusionresult)
|
|
continue;
|
|
break;
|
|
}
|
|
#endif
|
|
//other renderers fall through
|
|
default:
|
|
case 1:
|
|
if (CL_TraceLine(r_refdef.vieworg, l->origin, waste1, NULL, NULL) < 1)
|
|
continue;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!R_BuildDlightMesh (l, intensity, cscale, coronastyle) && !coronastyle)
|
|
AddLightBlend (l->color[0], l->color[1], l->color[2], l->radius * 0.0003);
|
|
else
|
|
BE_DrawMesh_Single(flashblend_shader, &flashblend_mesh, NULL, (coronastyle?BEF_FORCENODEPTH|BEF_FORCEADDITIVE:0)|beflags);
|
|
}
|
|
}
|
|
|
|
|
|
qboolean Sh_GenerateShadowMap(dlight_t *l);
|
|
void R_GenDlightMesh(struct batch_s *batch)
|
|
{
|
|
static mesh_t *meshptr;
|
|
dlight_t *l = cl_dlights + batch->surf_first;
|
|
|
|
int lightflags = batch->surf_count;
|
|
|
|
BE_SelectDLight(l, l->color, l->axis, lightflags);
|
|
#ifdef RTLIGHTS
|
|
if (lightflags & LSHADER_SMAP)
|
|
{
|
|
if (!Sh_GenerateShadowMap(l))
|
|
{
|
|
batch->meshes = 0;
|
|
return;
|
|
}
|
|
BE_SelectEntity(&r_worldentity);
|
|
BE_SelectMode(BEM_STANDARD);
|
|
}
|
|
#endif
|
|
|
|
if (!R_BuildDlightMesh (l, 2, 1, 2))
|
|
{
|
|
int i;
|
|
static vec2_t s[4] = {{1, -1}, {-1, -1}, {-1, 1}, {1, 1}};
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
VectorMA(r_origin, 32, vpn, flashblend_vcoords[i]);
|
|
VectorMA(flashblend_vcoords[i], s[i][0]*320, vright, flashblend_vcoords[i]);
|
|
VectorMA(flashblend_vcoords[i], s[i][1]*320, vup, flashblend_vcoords[i]);
|
|
}
|
|
|
|
meshptr = &flashblend_fsmesh;
|
|
}
|
|
else
|
|
{
|
|
meshptr = &flashblend_mesh;
|
|
}
|
|
batch->mesh = &meshptr;
|
|
}
|
|
void R_GenDlightBatches(batch_t *batches[])
|
|
{
|
|
int i, j, sort;
|
|
dlight_t *l;
|
|
batch_t *b;
|
|
int lmode;
|
|
if (!r_lightprepass)
|
|
return;
|
|
|
|
if (!lpplight_shader[0])
|
|
{
|
|
lpplight_shader[0] = R_RegisterShader("lpp_light", SUF_NONE,
|
|
"{\n"
|
|
"program lpp_light\n"
|
|
"{\n"
|
|
"map $sourcecolour\n"
|
|
"blendfunc gl_one gl_one\n"
|
|
"nodepthtest\n"
|
|
"}\n"
|
|
"surfaceparm nodlight\n"
|
|
"lpp_light\n"
|
|
"}\n"
|
|
);
|
|
#ifdef RTLIGHTS
|
|
lpplight_shader[LSHADER_SMAP] = R_RegisterShader("lpp_light#PCF", SUF_NONE,
|
|
"{\n"
|
|
"program lpp_light\n"
|
|
"{\n"
|
|
"map $sourcecolour\n"
|
|
"blendfunc gl_one gl_one\n"
|
|
"nodepthtest\n"
|
|
"}\n"
|
|
"surfaceparm nodlight\n"
|
|
"lpp_light\n"
|
|
"}\n"
|
|
);
|
|
#endif
|
|
}
|
|
|
|
l = cl_dlights+rtlights_first;
|
|
for (i=rtlights_first; i<rtlights_max; i++, l++)
|
|
{
|
|
if (!l->radius)
|
|
continue;
|
|
|
|
if (R_CullSphere(l->origin, l->radius))
|
|
continue;
|
|
|
|
lmode = 0;
|
|
#ifdef RTLIGHTS
|
|
if (!(((i >= RTL_FIRST)?!r_shadow_realtime_world_shadows.ival:!r_shadow_realtime_dlight_shadows.ival) || l->flags & LFLAG_NOSHADOWS))
|
|
lmode |= LSHADER_SMAP;
|
|
#endif
|
|
// if (TEXLOADED(l->cubetexture))
|
|
// lmode |= LSHADER_CUBE;
|
|
|
|
b = BE_GetTempBatch();
|
|
if (!b)
|
|
return;
|
|
|
|
b->flags = 0;
|
|
b->shader = lpplight_shader[lmode];
|
|
sort = b->shader->sort;
|
|
b->buildmeshes = R_GenDlightMesh;
|
|
b->ent = &r_worldentity;
|
|
b->mesh = NULL;
|
|
b->firstmesh = 0;
|
|
b->meshes = 1;
|
|
b->skin = NULL;
|
|
b->texture = NULL;
|
|
for (j = 0; j < MAXRLIGHTMAPS; j++)
|
|
b->lightmap[j] = -1;
|
|
b->surf_first = i;
|
|
b->surf_count = lmode;
|
|
b->flags |= BEF_NOSHADOWS;
|
|
b->vbo = NULL;
|
|
b->next = batches[sort];
|
|
batches[sort] = b;
|
|
}
|
|
}
|
|
|
|
/*
|
|
=============================================================================
|
|
|
|
DYNAMIC LIGHTS
|
|
|
|
=============================================================================
|
|
*/
|
|
|
|
/*
|
|
=============
|
|
R_PushDlights
|
|
=============
|
|
*/
|
|
void R_PushDlights (void)
|
|
{
|
|
int i;
|
|
dlight_t *l;
|
|
|
|
r_dlightframecount = r_framecount + 1; // because the count hasn't
|
|
// advanced yet for this frame
|
|
|
|
#ifdef RTLIGHTS
|
|
/*if we're doing full rtlighting only, then don't bother calculating old-style dlights as they won't be visible anyway*/
|
|
if (r_shadow_realtime_world.ival && r_shadow_realtime_world_lightmaps.value < 0.1)
|
|
return;
|
|
#endif
|
|
|
|
if (r_dynamic.ival <= 0|| !cl.worldmodel)
|
|
return;
|
|
|
|
if (!cl.worldmodel->nodes)
|
|
return;
|
|
|
|
currentmodel = cl.worldmodel;
|
|
if (!currentmodel->funcs.MarkLights)
|
|
return;
|
|
|
|
l = cl_dlights+rtlights_first;
|
|
for (i=rtlights_first ; i <= DL_LAST ; i++, l++)
|
|
{
|
|
if (!l->radius || !(l->flags & LFLAG_LIGHTMAP))
|
|
continue;
|
|
currentmodel->funcs.MarkLights( l, 1<<i, currentmodel->nodes );
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/////////////////////////////////////////////////////////////
|
|
//rtlight loading
|
|
|
|
#ifdef RTLIGHTS
|
|
qboolean R_ImportRTLights(const char *entlump)
|
|
{
|
|
typedef enum lighttype_e {LIGHTTYPE_MINUSX, LIGHTTYPE_RECIPX, LIGHTTYPE_RECIPXX, LIGHTTYPE_NONE, LIGHTTYPE_SUN, LIGHTTYPE_MINUSXX} lighttype_t;
|
|
|
|
/*I'm using the DP code so I know I'll get the DP results*/
|
|
int entnum, style, islight, skin, pflags, n;
|
|
lighttype_t type;
|
|
float origin[3], angles[3], radius, color[3], light[4], fadescale, lightscale, originhack[3], overridecolor[3], colourscales[3], vec[4];
|
|
char key[256], value[8192];
|
|
int nest;
|
|
qboolean okay = false;
|
|
|
|
COM_Parse(entlump);
|
|
if (!strcmp(com_token, "Version"))
|
|
{
|
|
entlump = COM_Parse(entlump);
|
|
entlump = COM_Parse(entlump);
|
|
}
|
|
|
|
for (entnum = 0; ;entnum++)
|
|
{
|
|
entlump = COM_Parse(entlump);
|
|
if (com_token[0] != '{')
|
|
break;
|
|
|
|
type = LIGHTTYPE_MINUSX;
|
|
origin[0] = origin[1] = origin[2] = 0;
|
|
originhack[0] = originhack[1] = originhack[2] = 0;
|
|
angles[0] = angles[1] = angles[2] = 0;
|
|
color[0] = color[1] = color[2] = 1;
|
|
light[0] = light[1] = light[2] = 1;light[3] = 300;
|
|
overridecolor[0] = overridecolor[1] = overridecolor[2] = 1;
|
|
fadescale = 1;
|
|
lightscale = 1;
|
|
style = 0;
|
|
skin = 0;
|
|
pflags = 0;
|
|
VectorSet(colourscales, r_editlights_import_ambient.value, r_editlights_import_diffuse.value, r_editlights_import_specular.value);
|
|
//effects = 0;
|
|
islight = false;
|
|
nest = 1;
|
|
while (1)
|
|
{
|
|
entlump = COM_Parse(entlump);
|
|
if (!entlump)
|
|
break; // error
|
|
if (com_token[0] == '{')
|
|
{
|
|
nest++;
|
|
continue;
|
|
}
|
|
if (com_token[0] == '}')
|
|
{
|
|
nest--;
|
|
if (!nest)
|
|
break; // end of entity
|
|
continue;
|
|
}
|
|
if (nest!=1)
|
|
continue;
|
|
if (com_token[0] == '_')
|
|
Q_strncpyz(key, com_token + 1, sizeof(key));
|
|
else
|
|
Q_strncpyz(key, com_token, sizeof(key));
|
|
while (key[strlen(key)-1] == ' ') // remove trailing spaces
|
|
key[strlen(key)-1] = 0;
|
|
entlump = COM_Parse(entlump);
|
|
if (!entlump)
|
|
break; // error
|
|
Q_strncpyz(value, com_token, sizeof(value));
|
|
|
|
// now that we have the key pair worked out...
|
|
if (!strcmp("light", key))
|
|
{
|
|
n = sscanf(value, "%f %f %f %f", &vec[0], &vec[1], &vec[2], &vec[3]);
|
|
if (n == 1)
|
|
{
|
|
// quake
|
|
light[0] = vec[0] * (1.0f / 256.0f);
|
|
light[1] = vec[0] * (1.0f / 256.0f);
|
|
light[2] = vec[0] * (1.0f / 256.0f);
|
|
light[3] = vec[0];
|
|
}
|
|
else if (n == 4)
|
|
{
|
|
// halflife
|
|
light[0] = vec[0] * (1.0f / 255.0f);
|
|
light[1] = vec[1] * (1.0f / 255.0f);
|
|
light[2] = vec[2] * (1.0f / 255.0f);
|
|
light[3] = vec[3];
|
|
}
|
|
}
|
|
else if (!strcmp("delay", key))
|
|
type = atoi(value);
|
|
else if (!strcmp("origin", key))
|
|
sscanf(value, "%f %f %f", &origin[0], &origin[1], &origin[2]);
|
|
else if (!strcmp("angle", key))
|
|
angles[0] = 0, angles[1] = atof(value), angles[2] = 0;
|
|
else if (!strcmp("angles", key))
|
|
sscanf(value, "%f %f %f", &angles[0], &angles[1], &angles[2]);
|
|
else if (!strcmp("color", key))
|
|
sscanf(value, "%f %f %f", &color[0], &color[1], &color[2]);
|
|
else if (!strcmp("wait", key))
|
|
fadescale = atof(value);
|
|
else if (!strcmp("classname", key))
|
|
{
|
|
if (!strncmp(value, "light", 5))
|
|
{
|
|
islight = true;
|
|
if (!strcmp(value, "light_fluoro"))
|
|
{
|
|
originhack[0] = 0;
|
|
originhack[1] = 0;
|
|
originhack[2] = 0;
|
|
overridecolor[0] = 1;
|
|
overridecolor[1] = 1;
|
|
overridecolor[2] = 1;
|
|
}
|
|
if (!strcmp(value, "light_fluorospark"))
|
|
{
|
|
originhack[0] = 0;
|
|
originhack[1] = 0;
|
|
originhack[2] = 0;
|
|
overridecolor[0] = 1;
|
|
overridecolor[1] = 1;
|
|
overridecolor[2] = 1;
|
|
}
|
|
if (!strcmp(value, "light_globe"))
|
|
{
|
|
originhack[0] = 0;
|
|
originhack[1] = 0;
|
|
originhack[2] = 0;
|
|
overridecolor[0] = 1;
|
|
overridecolor[1] = 0.8;
|
|
overridecolor[2] = 0.4;
|
|
}
|
|
if (!strcmp(value, "light_flame_large_yellow"))
|
|
{
|
|
originhack[0] = 0;
|
|
originhack[1] = 0;
|
|
originhack[2] = 0;
|
|
overridecolor[0] = 1;
|
|
overridecolor[1] = 0.5;
|
|
overridecolor[2] = 0.1;
|
|
}
|
|
if (!strcmp(value, "light_flame_small_yellow"))
|
|
{
|
|
originhack[0] = 0;
|
|
originhack[1] = 0;
|
|
originhack[2] = 0;
|
|
overridecolor[0] = 1;
|
|
overridecolor[1] = 0.5;
|
|
overridecolor[2] = 0.1;
|
|
}
|
|
if (!strcmp(value, "light_torch_small_white"))
|
|
{
|
|
originhack[0] = 0;
|
|
originhack[1] = 0;
|
|
originhack[2] = 0;
|
|
overridecolor[0] = 1;
|
|
overridecolor[1] = 0.5;
|
|
overridecolor[2] = 0.1;
|
|
}
|
|
if (!strcmp(value, "light_torch_small_walltorch"))
|
|
{
|
|
originhack[0] = 0;
|
|
originhack[1] = 0;
|
|
originhack[2] = 0;
|
|
overridecolor[0] = 1;
|
|
overridecolor[1] = 0.5;
|
|
overridecolor[2] = 0.1;
|
|
}
|
|
}
|
|
}
|
|
else if (!strcmp("style", key))
|
|
style = atoi(value);
|
|
else if (!strcmp("skin", key))
|
|
skin = (int)atof(value);
|
|
else if (!strcmp("pflags", key))
|
|
pflags = (int)atof(value);
|
|
//else if (!strcmp("effects", key))
|
|
//effects = (int)atof(value);
|
|
|
|
else if (!strcmp("scale", key))
|
|
lightscale = atof(value);
|
|
else if (!strcmp("fade", key))
|
|
fadescale = atof(value);
|
|
|
|
#ifdef MAP_PROC
|
|
else if (!strcmp("nodynamicshadows", key)) //doom3
|
|
;
|
|
else if (!strcmp("noshadows", key)) //doom3
|
|
{
|
|
if (atof(value))
|
|
pflags |= PFLAGS_NOSHADOW;
|
|
}
|
|
else if (!strcmp("nospecular", key))//doom3
|
|
{
|
|
if (atof(value))
|
|
colourscales[2] = 0;
|
|
}
|
|
else if (!strcmp("nodiffuse", key)) //doom3
|
|
{
|
|
if (atof(value))
|
|
colourscales[1] = 0;
|
|
}
|
|
#endif
|
|
|
|
else if (!strcmp("light_radius", key))
|
|
{
|
|
light[0] = 1;
|
|
light[1] = 1;
|
|
light[2] = 1;
|
|
light[3] = atof(value);
|
|
}
|
|
else if (entnum == 0 && !strcmp("noautolight", key))
|
|
{
|
|
//tenebrae compat. don't generate rtlights automagically if the world entity specifies this.
|
|
if (atoi(value))
|
|
{
|
|
okay = true;
|
|
return okay;
|
|
}
|
|
}
|
|
else if (entnum == 0 && !strcmp("lightmapbright", key))
|
|
{
|
|
//tenebrae compat. this overrides r_shadow_realtime_world_lightmap
|
|
}
|
|
}
|
|
if (!islight)
|
|
continue;
|
|
if (lightscale <= 0)
|
|
lightscale = 1;
|
|
if (fadescale <= 0)
|
|
fadescale = 1;
|
|
if (color[0] >= 16 || color[1] >= 16 || color[2] >= 16) //_color 255 255 255 should be identity, not super-oversaturated.
|
|
VectorScale(color, 1/255.0, color); //if only there were standards for this sort of thing.
|
|
if (color[0] == color[1] && color[0] == color[2])
|
|
{
|
|
color[0] *= overridecolor[0];
|
|
color[1] *= overridecolor[1];
|
|
color[2] *= overridecolor[2];
|
|
}
|
|
radius = light[3] * r_editlights_import_radius.value * lightscale / fadescale;
|
|
color[0] = color[0] * light[0];
|
|
color[1] = color[1] * light[1];
|
|
color[2] = color[2] * light[2];
|
|
switch (type)
|
|
{
|
|
case LIGHTTYPE_MINUSX:
|
|
break;
|
|
case LIGHTTYPE_RECIPX:
|
|
radius *= 2;
|
|
VectorScale(color, (1.0f / 16.0f), color);
|
|
break;
|
|
case LIGHTTYPE_RECIPXX:
|
|
radius *= 2;
|
|
VectorScale(color, (1.0f / 16.0f), color);
|
|
break;
|
|
default:
|
|
case LIGHTTYPE_NONE:
|
|
break;
|
|
case LIGHTTYPE_SUN:
|
|
break;
|
|
case LIGHTTYPE_MINUSXX:
|
|
break;
|
|
}
|
|
VectorAdd(origin, originhack, origin);
|
|
if (radius >= 1 && !(cl.worldmodel->funcs.PointContents(cl.worldmodel, NULL, origin) & FTECONTENTS_SOLID))
|
|
{
|
|
dlight_t *dl = CL_AllocSlight();
|
|
if (!dl)
|
|
break;
|
|
VectorCopy(origin, dl->origin);
|
|
AngleVectors(angles, dl->axis[0], dl->axis[1], dl->axis[2]);
|
|
VectorInverse(dl->axis[1]);
|
|
dl->radius = radius;
|
|
VectorCopy(color, dl->color);
|
|
dl->flags = 0;
|
|
dl->flags |= LFLAG_REALTIMEMODE;
|
|
dl->flags |= (pflags & PFLAGS_CORONA)?LFLAG_FLASHBLEND:0;
|
|
dl->flags |= (pflags & PFLAGS_NOSHADOW)?LFLAG_NOSHADOWS:0;
|
|
dl->style = style+1;
|
|
VectorCopy(colourscales, dl->lightcolourscales);
|
|
if (skin >= 16)
|
|
R_LoadNumberedLightTexture(dl, skin);
|
|
|
|
okay = true;
|
|
}
|
|
}
|
|
|
|
return okay;
|
|
}
|
|
|
|
qboolean R_LoadRTLights(void)
|
|
{
|
|
dlight_t *dl;
|
|
char fname[MAX_QPATH];
|
|
char cubename[MAX_QPATH];
|
|
char *file;
|
|
char *end;
|
|
int style;
|
|
|
|
vec3_t org;
|
|
float radius;
|
|
vec3_t rgb;
|
|
vec3_t avel;
|
|
float fov;
|
|
unsigned int flags;
|
|
|
|
float coronascale;
|
|
float corona;
|
|
float ambientscale, diffusescale, specularscale;
|
|
vec3_t angles;
|
|
|
|
//delete all old lights, even dynamic ones
|
|
rtlights_first = RTL_FIRST;
|
|
rtlights_max = RTL_FIRST;
|
|
|
|
COM_StripExtension(cl.worldmodel->name, fname, sizeof(fname));
|
|
strncat(fname, ".rtlights", MAX_QPATH-1);
|
|
|
|
file = COM_LoadTempFile(fname, NULL);
|
|
if (file)
|
|
while(1)
|
|
{
|
|
end = strchr(file, '\n');
|
|
if (!end)
|
|
end = file + strlen(file);
|
|
if (end == file)
|
|
break;
|
|
*end = '\0';
|
|
|
|
while(*file == ' ' || *file == '\t')
|
|
file++;
|
|
if (*file == '#')
|
|
{
|
|
file++;
|
|
while(*file == ' ' || *file == '\t')
|
|
file++;
|
|
file = COM_Parse(file);
|
|
if (!Q_strcasecmp(com_token, "lightmaps"))
|
|
{
|
|
file = COM_Parse(file);
|
|
//foo = atoi(com_token);
|
|
}
|
|
else
|
|
Con_DPrintf("Unknown directive: %s\n", com_token);
|
|
file = end+1;
|
|
continue;
|
|
}
|
|
else if (*file == '!')
|
|
{
|
|
flags = LFLAG_NOSHADOWS;
|
|
file++;
|
|
}
|
|
else
|
|
flags = 0;
|
|
|
|
file = COM_Parse(file);
|
|
org[0] = atof(com_token);
|
|
file = COM_Parse(file);
|
|
org[1] = atof(com_token);
|
|
file = COM_Parse(file);
|
|
org[2] = atof(com_token);
|
|
|
|
file = COM_Parse(file);
|
|
radius = atof(com_token);
|
|
|
|
file = COM_Parse(file);
|
|
rgb[0] = file?atof(com_token):1;
|
|
file = COM_Parse(file);
|
|
rgb[1] = file?atof(com_token):1;
|
|
file = COM_Parse(file);
|
|
rgb[2] = file?atof(com_token):1;
|
|
|
|
file = COM_Parse(file);
|
|
style = file?atof(com_token):0;
|
|
|
|
file = COM_Parse(file);
|
|
//cubemap
|
|
Q_strncpyz(cubename, com_token, sizeof(cubename));
|
|
|
|
file = COM_Parse(file);
|
|
//corona
|
|
corona = file?atof(com_token):0;
|
|
|
|
file = COM_Parse(file);
|
|
angles[0] = file?atof(com_token):0;
|
|
file = COM_Parse(file);
|
|
angles[1] = file?atof(com_token):0;
|
|
file = COM_Parse(file);
|
|
angles[2] = file?atof(com_token):0;
|
|
|
|
file = COM_Parse(file);
|
|
//corona scale
|
|
coronascale = file?atof(com_token):0.25;
|
|
|
|
file = COM_Parse(file);
|
|
//ambient
|
|
ambientscale = file?atof(com_token):0;
|
|
|
|
file = COM_Parse(file);
|
|
//diffuse
|
|
diffusescale = file?atof(com_token):1;
|
|
|
|
file = COM_Parse(file);
|
|
//specular
|
|
specularscale = file?atof(com_token):1;
|
|
|
|
file = COM_Parse(file);
|
|
flags |= file?atoi(com_token):LFLAG_REALTIMEMODE;
|
|
|
|
fov = avel[0] = avel[1] = avel[2] = 0;
|
|
while(file)
|
|
{
|
|
file = COM_Parse(file);
|
|
if (!strncmp(com_token, "rotx=", 5))
|
|
avel[0] = file?atof(com_token+5):0;
|
|
else if (!strncmp(com_token, "roty=", 5))
|
|
avel[1] = file?atof(com_token+5):0;
|
|
else if (!strncmp(com_token, "rotz=", 5))
|
|
avel[2] = file?atof(com_token+5):0;
|
|
else if (!strncmp(com_token, "fov=", 4))
|
|
fov = file?atof(com_token+4):0;
|
|
}
|
|
|
|
if (radius)
|
|
{
|
|
dl = CL_AllocSlight();
|
|
if (!dl)
|
|
break;
|
|
|
|
VectorCopy(org, dl->origin);
|
|
dl->radius = radius;
|
|
VectorCopy(rgb, dl->color);
|
|
dl->corona = corona;
|
|
dl->coronascale = coronascale;
|
|
dl->die = 0;
|
|
dl->flags = flags;
|
|
dl->fov = fov;
|
|
dl->lightcolourscales[0] = ambientscale;
|
|
dl->lightcolourscales[1] = diffusescale;
|
|
dl->lightcolourscales[2] = specularscale;
|
|
AngleVectorsFLU(angles, dl->axis[0], dl->axis[1], dl->axis[2]);
|
|
VectorCopy(avel, dl->rotation);
|
|
|
|
Q_strncpyz(dl->cubemapname, cubename, sizeof(dl->cubemapname));
|
|
if (*dl->cubemapname)
|
|
dl->cubetexture = R_LoadReplacementTexture(dl->cubemapname, "", IF_CUBEMAP, NULL, 0, 0, TF_INVALID);
|
|
else
|
|
dl->cubetexture = r_nulltex;
|
|
|
|
dl->style = style+1;
|
|
}
|
|
file = end+1;
|
|
}
|
|
return !!file;
|
|
}
|
|
|
|
void R_SaveRTLights_f(void)
|
|
{
|
|
dlight_t *light;
|
|
vfsfile_t *f;
|
|
unsigned int i;
|
|
char fname[MAX_QPATH];
|
|
char sysname[MAX_OSPATH];
|
|
vec3_t ang;
|
|
COM_StripExtension(cl.worldmodel->name, fname, sizeof(fname));
|
|
strncat(fname, ".rtlights", MAX_QPATH-1);
|
|
|
|
FS_CreatePath(fname, FS_GAMEONLY);
|
|
f = FS_OpenVFS(fname, "wb", FS_GAMEONLY);
|
|
if (!f)
|
|
{
|
|
Con_Printf("couldn't open %s\n", fname);
|
|
return;
|
|
}
|
|
|
|
// VFS_PUTS(f, va("#lightmap %f\n", foo));
|
|
|
|
for (light = cl_dlights+rtlights_first, i=rtlights_first; i<rtlights_max; i++, light++)
|
|
{
|
|
if (light->die)
|
|
continue;
|
|
if (!light->radius)
|
|
continue;
|
|
VectorAngles(light->axis[0], light->axis[2], ang, false);
|
|
VFS_PUTS(f, va(
|
|
"%s%f %f %f "
|
|
"%f %f %f %f "
|
|
"%i "
|
|
"\"%s\" %f "
|
|
"%f %f %f "
|
|
"%f %f %f %f %i "
|
|
"rotx=%g roty=%g rotz=%g fov=%g "
|
|
"\n"
|
|
,
|
|
(light->flags & LFLAG_NOSHADOWS)?"!":"", light->origin[0], light->origin[1], light->origin[2],
|
|
light->radius, light->color[0], light->color[1], light->color[2],
|
|
light->style-1,
|
|
light->cubemapname, light->corona,
|
|
ang[0], ang[1], ang[2],
|
|
light->coronascale, light->lightcolourscales[0], light->lightcolourscales[1], light->lightcolourscales[2], light->flags&(LFLAG_NORMALMODE|LFLAG_REALTIMEMODE|LFLAG_CREPUSCULAR),
|
|
light->rotation[0],light->rotation[1],light->rotation[2],light->fov
|
|
));
|
|
}
|
|
VFS_CLOSE(f);
|
|
|
|
FS_NativePath(fname, FS_GAMEONLY, sysname, sizeof(sysname));
|
|
Con_Printf("rtlights saved to %s\n", sysname);
|
|
}
|
|
|
|
void R_StaticEntityToRTLight(int i)
|
|
{
|
|
entity_state_t *state = &cl_static_entities[i].state;
|
|
dlight_t *dl;
|
|
if (!(state->lightpflags&(PFLAGS_FULLDYNAMIC|PFLAGS_CORONA)))
|
|
return;
|
|
dl = CL_AllocSlight();
|
|
if (!dl)
|
|
return;
|
|
VectorCopy(state->origin, dl->origin);
|
|
AngleVectors(state->angles, dl->axis[0], dl->axis[1], dl->axis[2]);
|
|
VectorInverse(dl->axis[1]);
|
|
dl->radius = state->light[3];
|
|
if (!dl->radius)
|
|
dl->radius = 350;
|
|
VectorScale(state->light, 1.0/1024, dl->color);
|
|
if (!state->light[0] && !state->light[1] && !state->light[2])
|
|
VectorSet(dl->color, 1, 1, 1);
|
|
dl->flags = 0;
|
|
dl->flags |= LFLAG_NORMALMODE|LFLAG_REALTIMEMODE;
|
|
dl->flags |= (state->lightpflags & PFLAGS_NOSHADOW)?LFLAG_NOSHADOWS:0;
|
|
if (state->lightpflags & PFLAGS_CORONA)
|
|
dl->corona = 1;
|
|
dl->style = state->lightstyle+1;
|
|
if (state->lightpflags & PFLAGS_FULLDYNAMIC)
|
|
{
|
|
dl->lightcolourscales[0] = r_editlights_import_ambient.value;
|
|
dl->lightcolourscales[1] = r_editlights_import_diffuse.value;
|
|
dl->lightcolourscales[2] = r_editlights_import_specular.value;
|
|
}
|
|
else
|
|
{ //corona-only light
|
|
dl->lightcolourscales[0] = 0;
|
|
dl->lightcolourscales[1] = 0;
|
|
dl->lightcolourscales[2] = 0;
|
|
}
|
|
if (state->skinnum >= 16)
|
|
R_LoadNumberedLightTexture(dl, state->skinnum);
|
|
}
|
|
|
|
void R_ReloadRTLights_f(void)
|
|
{
|
|
int i;
|
|
|
|
if (!cl.worldmodel)
|
|
{
|
|
Con_Printf("Cannot reload lights at this time\n");
|
|
return;
|
|
}
|
|
rtlights_first = RTL_FIRST;
|
|
rtlights_max = RTL_FIRST;
|
|
if (!strcmp(Cmd_Argv(1), "bsp"))
|
|
R_ImportRTLights(Mod_GetEntitiesString(cl.worldmodel));
|
|
else if (!strcmp(Cmd_Argv(1), "rtlights"))
|
|
R_LoadRTLights();
|
|
else if (strcmp(Cmd_Argv(1), "none"))
|
|
{
|
|
R_LoadRTLights();
|
|
if (rtlights_first == rtlights_max)
|
|
R_ImportRTLights(Mod_GetEntitiesString(cl.worldmodel));
|
|
}
|
|
|
|
for (i = 0; i < cl.num_statics; i++)
|
|
{
|
|
R_StaticEntityToRTLight(i);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
=============================================================================
|
|
|
|
LIGHT SAMPLING
|
|
|
|
=============================================================================
|
|
*/
|
|
|
|
mplane_t *lightplane;
|
|
vec3_t lightspot;
|
|
|
|
static void GLQ3_AddLatLong(qbyte latlong[2], vec3_t dir, float mag)
|
|
{
|
|
float lat = (float)latlong[0] * (2 * M_PI)*(1.0 / 255.0);
|
|
float lng = (float)latlong[1] * (2 * M_PI)*(1.0 / 255.0);
|
|
dir[0] += mag * cos ( lng ) * sin ( lat );
|
|
dir[1] += mag * sin ( lng ) * sin ( lat );
|
|
dir[2] += mag * cos ( lat );
|
|
}
|
|
|
|
void GLQ3_LightGrid(model_t *mod, vec3_t point, vec3_t res_diffuse, vec3_t res_ambient, vec3_t res_dir)
|
|
{
|
|
q3lightgridinfo_t *lg = (q3lightgridinfo_t *)cl.worldmodel->lightgrid;
|
|
int index[8];
|
|
int vi[3];
|
|
int i, j;
|
|
float t[8];
|
|
vec3_t vf, vf2;
|
|
vec3_t ambient, diffuse, direction;
|
|
|
|
if (!lg || (!lg->lightgrid && !lg->rbspelements) || lg->numlightgridelems < 1)
|
|
{
|
|
if(res_ambient)
|
|
{
|
|
res_ambient[0] = 64;
|
|
res_ambient[1] = 64;
|
|
res_ambient[2] = 64;
|
|
}
|
|
|
|
if (res_diffuse)
|
|
{
|
|
res_diffuse[0] = 192;
|
|
res_diffuse[1] = 192;
|
|
res_diffuse[2] = 192;
|
|
}
|
|
|
|
if (res_dir)
|
|
{
|
|
res_dir[0] = 1;
|
|
res_dir[1] = 1;
|
|
res_dir[2] = 0.1;
|
|
}
|
|
return;
|
|
}
|
|
|
|
//If in doubt, steal someone else's code...
|
|
//Thanks QFusion.
|
|
|
|
for ( i = 0; i < 3; i++ )
|
|
{
|
|
vf[i] = (point[i] - lg->gridMins[i]) / lg->gridSize[i];
|
|
vi[i] = (int)(vf[i]);
|
|
vf[i] = vf[i] - floor(vf[i]);
|
|
vf2[i] = 1.0f - vf[i];
|
|
}
|
|
|
|
for ( i = 0; i < 8; i++ )
|
|
{
|
|
//bound it properly
|
|
index[i] = bound(0, vi[0]+((i&1)?1:0), lg->gridBounds[0]-1) * 1 +
|
|
bound(0, vi[1]+((i&2)?1:0), lg->gridBounds[1]-1) * lg->gridBounds[0] +
|
|
bound(0, vi[2]+((i&4)?1:0), lg->gridBounds[2]-1) * lg->gridBounds[3] ;
|
|
t[i] = ((i&1)?vf[0]:vf2[0]) *
|
|
((i&2)?vf[1]:vf2[1]) *
|
|
((i&4)?vf[2]:vf2[2]) ;
|
|
}
|
|
|
|
//rbsp has a separate grid->index lookup for compression.
|
|
if (lg->rbspindexes)
|
|
{
|
|
for (i = 0; i < 8; i++)
|
|
index[i] = lg->rbspindexes[index[i]];
|
|
}
|
|
|
|
VectorClear(ambient);
|
|
VectorClear(diffuse);
|
|
VectorClear(direction);
|
|
if (lg->rbspelements)
|
|
{
|
|
for (i = 0; i < 8; i++)
|
|
{ //rbsp has up to 4 styles per grid element, which needs to be scaled by that style's current value
|
|
float tot = 0;
|
|
for (j = 0; j < countof(lg->rbspelements[index[i]].styles); j++)
|
|
{
|
|
qbyte st = lg->rbspelements[index[i]].styles[j];
|
|
if (st != 255)
|
|
{
|
|
float mag = d_lightstylevalue[st] * 1.0/255 * t[i];
|
|
//FIXME: cl_lightstyle[st].colours[rgb]
|
|
VectorMA (ambient, mag, lg->rbspelements[index[i]].ambient[j], ambient);
|
|
VectorMA (diffuse, mag, lg->rbspelements[index[i]].diffuse[j], diffuse);
|
|
tot += mag;
|
|
}
|
|
}
|
|
GLQ3_AddLatLong(lg->rbspelements[index[i]].direction, direction, tot);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
VectorMA (ambient, t[i], lg->lightgrid[index[i]].ambient, ambient);
|
|
VectorMA (diffuse, t[i], lg->lightgrid[index[i]].diffuse, diffuse);
|
|
GLQ3_AddLatLong(lg->lightgrid[index[i]].direction, direction, t[i]);
|
|
}
|
|
|
|
VectorScale(ambient, d_lightstylevalue[0]/255.0, ambient);
|
|
VectorScale(diffuse, d_lightstylevalue[0]/255.0, diffuse);
|
|
//FIXME: cl_lightstyle[0].colours[rgb]
|
|
}
|
|
|
|
//q3bsp has *4 overbrighting.
|
|
// VectorScale(ambient, 4, ambient);
|
|
// VectorScale(diffuse, 4, diffuse);
|
|
|
|
/*ambient is the min level*/
|
|
/*diffuse is the max level*/
|
|
VectorCopy(ambient, res_ambient);
|
|
if (res_diffuse)
|
|
VectorAdd(diffuse, ambient, res_diffuse);
|
|
if (res_dir)
|
|
VectorCopy(direction, res_dir);
|
|
}
|
|
|
|
static int GLRecursiveLightPoint (mnode_t *node, vec3_t start, vec3_t end)
|
|
{
|
|
int r;
|
|
float front, back, frac;
|
|
int side;
|
|
mplane_t *plane;
|
|
vec3_t mid;
|
|
msurface_t *surf;
|
|
int s, t, ds, dt;
|
|
int i;
|
|
mtexinfo_t *tex;
|
|
qbyte *lightmap;
|
|
unsigned scale;
|
|
int maps;
|
|
|
|
if (cl.worldmodel->fromgame == fg_quake2)
|
|
{
|
|
if (node->contents != -1)
|
|
return -1; // solid
|
|
}
|
|
else if (node->contents < 0)
|
|
return -1; // didn't hit anything
|
|
|
|
// calculate mid point
|
|
|
|
// FIXME: optimize for axial
|
|
plane = node->plane;
|
|
front = DotProduct (start, plane->normal) - plane->dist;
|
|
back = DotProduct (end, plane->normal) - plane->dist;
|
|
side = front < 0;
|
|
|
|
if ( (back < 0) == side)
|
|
return GLRecursiveLightPoint (node->children[side], start, end);
|
|
|
|
frac = front / (front-back);
|
|
mid[0] = start[0] + (end[0] - start[0])*frac;
|
|
mid[1] = start[1] + (end[1] - start[1])*frac;
|
|
mid[2] = start[2] + (end[2] - start[2])*frac;
|
|
|
|
// go down front side
|
|
r = GLRecursiveLightPoint (node->children[side], start, mid);
|
|
if (r >= 0)
|
|
return r; // hit something
|
|
|
|
if ( (back < 0) == side )
|
|
return -1; // didn't hit anuthing
|
|
|
|
// check for impact on this node
|
|
VectorCopy (mid, lightspot);
|
|
lightplane = plane;
|
|
|
|
surf = cl.worldmodel->surfaces + node->firstsurface;
|
|
for (i=0 ; i<node->numsurfaces ; i++, surf++)
|
|
{
|
|
if (surf->flags & SURF_DRAWTILED)
|
|
continue; // no lightmaps
|
|
|
|
tex = surf->texinfo;
|
|
|
|
s = DotProduct (mid, tex->vecs[0]) + tex->vecs[0][3];
|
|
t = DotProduct (mid, tex->vecs[1]) + tex->vecs[1][3];;
|
|
|
|
if (s < surf->texturemins[0] || t < surf->texturemins[1])
|
|
continue;
|
|
|
|
ds = s - surf->texturemins[0];
|
|
dt = t - surf->texturemins[1];
|
|
|
|
if ( ds > surf->extents[0] || dt > surf->extents[1] )
|
|
continue;
|
|
|
|
if (!surf->samples)
|
|
return 0;
|
|
|
|
ds >>= surf->lmshift;
|
|
dt >>= surf->lmshift;
|
|
|
|
lightmap = surf->samples;
|
|
r = 0;
|
|
if (lightmap)
|
|
{
|
|
if (cl.worldmodel->engineflags & MDLF_RGBLIGHTING)
|
|
{
|
|
lightmap += (dt * ((surf->extents[0]>>surf->lmshift)+1) + ds)*3;
|
|
|
|
for (maps = 0 ; maps < MAXQ1LIGHTMAPS && surf->styles[maps] != 255 ;
|
|
maps++)
|
|
{
|
|
scale = d_lightstylevalue[surf->styles[maps]];
|
|
r += (lightmap[0]+lightmap[1]+lightmap[2]) * scale / 3;
|
|
lightmap += ((surf->extents[0]>>surf->lmshift)+1) * ((surf->extents[1]>>surf->lmshift)+1)*3;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
lightmap += dt * ((surf->extents[0]>>surf->lmshift)+1) + ds;
|
|
|
|
for (maps = 0 ; maps < MAXQ1LIGHTMAPS && surf->styles[maps] != 255 ;
|
|
maps++)
|
|
{
|
|
scale = d_lightstylevalue[surf->styles[maps]];
|
|
r += *lightmap * scale;
|
|
lightmap += ((surf->extents[0]>>surf->lmshift)+1) * ((surf->extents[1]>>surf->lmshift)+1);
|
|
}
|
|
}
|
|
|
|
r >>= 8;
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
// go down back side
|
|
return GLRecursiveLightPoint (node->children[!side], mid, end);
|
|
}
|
|
|
|
|
|
|
|
int R_LightPoint (vec3_t p)
|
|
{
|
|
vec3_t end;
|
|
int r;
|
|
|
|
if (r_refdef.flags & 1)
|
|
return 255;
|
|
|
|
if (!cl.worldmodel || !cl.worldmodel->lightdata)
|
|
return 255;
|
|
|
|
if (cl.worldmodel->fromgame == fg_quake3)
|
|
{
|
|
GLQ3_LightGrid(cl.worldmodel, p, NULL, end, NULL);
|
|
return (end[0] + end[1] + end[2])/3;
|
|
}
|
|
|
|
end[0] = p[0];
|
|
end[1] = p[1];
|
|
end[2] = p[2] - 2048;
|
|
|
|
r = GLRecursiveLightPoint (cl.worldmodel->rootnode, p, end);
|
|
|
|
if (r == -1)
|
|
r = 0;
|
|
|
|
return r;
|
|
}
|
|
|
|
|
|
|
|
#ifdef PEXT_LIGHTSTYLECOL
|
|
|
|
static float *GLRecursiveLightPoint3C (model_t *mod, mnode_t *node, vec3_t start, vec3_t end)
|
|
{
|
|
static float l[6];
|
|
float *r;
|
|
float front, back, frac;
|
|
int side;
|
|
mplane_t *plane;
|
|
vec3_t mid;
|
|
msurface_t *surf;
|
|
int s, t, ds, dt;
|
|
int i;
|
|
mtexinfo_t *tex;
|
|
qbyte *lightmap, *deluxmap;
|
|
float scale, overbright;
|
|
int maps;
|
|
|
|
if (mod->fromgame == fg_quake2)
|
|
{
|
|
if (node->contents != -1)
|
|
return NULL; // solid
|
|
}
|
|
else if (node->contents < 0)
|
|
return NULL; // didn't hit anything
|
|
|
|
// calculate mid point
|
|
|
|
// FIXME: optimize for axial
|
|
plane = node->plane;
|
|
front = DotProduct (start, plane->normal) - plane->dist;
|
|
back = DotProduct (end, plane->normal) - plane->dist;
|
|
side = front < 0;
|
|
|
|
if ( (back < 0) == side)
|
|
return GLRecursiveLightPoint3C (mod, node->children[side], start, end);
|
|
|
|
frac = front / (front-back);
|
|
mid[0] = start[0] + (end[0] - start[0])*frac;
|
|
mid[1] = start[1] + (end[1] - start[1])*frac;
|
|
mid[2] = start[2] + (end[2] - start[2])*frac;
|
|
|
|
// go down front side
|
|
r = GLRecursiveLightPoint3C (mod, node->children[side], start, mid);
|
|
if (r && r[0]+r[1]+r[2] >= 0)
|
|
return r; // hit something
|
|
|
|
if ( (back < 0) == side )
|
|
return NULL; // didn't hit anuthing
|
|
|
|
// check for impact on this node
|
|
VectorCopy (mid, lightspot);
|
|
lightplane = plane;
|
|
|
|
surf = mod->surfaces + node->firstsurface;
|
|
for (i=0 ; i<node->numsurfaces ; i++, surf++)
|
|
{
|
|
if (surf->flags & SURF_DRAWTILED)
|
|
continue; // no lightmaps
|
|
|
|
tex = surf->texinfo;
|
|
|
|
s = DotProduct (mid, tex->vecs[0]) + tex->vecs[0][3];
|
|
t = DotProduct (mid, tex->vecs[1]) + tex->vecs[1][3];
|
|
|
|
if (s < surf->texturemins[0] ||
|
|
t < surf->texturemins[1])
|
|
continue;
|
|
|
|
ds = s - surf->texturemins[0];
|
|
dt = t - surf->texturemins[1];
|
|
|
|
if ( ds > surf->extents[0] || dt > surf->extents[1] )
|
|
continue;
|
|
|
|
if (!surf->samples)
|
|
{
|
|
l[0]=0;l[1]=0;l[2]=0;
|
|
l[3]=0;l[4]=1;l[5]=1;
|
|
return l;
|
|
}
|
|
|
|
ds >>= surf->lmshift;
|
|
dt >>= surf->lmshift;
|
|
|
|
lightmap = surf->samples;
|
|
l[0]=0;l[1]=0;l[2]=0;
|
|
l[3]=0;l[4]=0;l[5]=0;
|
|
if (lightmap)
|
|
{
|
|
overbright = 1/255.0f;
|
|
if (mod->deluxdata)
|
|
{
|
|
if (mod->engineflags & MDLF_RGBLIGHTING)
|
|
{
|
|
deluxmap = surf->samples - mod->lightdata + mod->deluxdata;
|
|
|
|
lightmap += (dt * ((surf->extents[0]>>surf->lmshift)+1) + ds)*3;
|
|
deluxmap += (dt * ((surf->extents[0]>>surf->lmshift)+1) + ds)*3;
|
|
for (maps = 0 ; maps < MAXQ1LIGHTMAPS && surf->styles[maps] != 255 ;
|
|
maps++)
|
|
{
|
|
scale = d_lightstylevalue[surf->styles[maps]]*overbright;
|
|
|
|
l[0] += lightmap[0] * scale * cl_lightstyle[surf->styles[maps]].colours[0];
|
|
l[1] += lightmap[1] * scale * cl_lightstyle[surf->styles[maps]].colours[1];
|
|
l[2] += lightmap[2] * scale * cl_lightstyle[surf->styles[maps]].colours[2];
|
|
|
|
l[3] += (deluxmap[0]-127)*scale;
|
|
l[4] += (deluxmap[1]-127)*scale;
|
|
l[5] += (deluxmap[2]-127)*scale;
|
|
|
|
lightmap += ((surf->extents[0]>>surf->lmshift)+1) *
|
|
((surf->extents[1]>>surf->lmshift)+1) * 3;
|
|
deluxmap += ((surf->extents[0]>>surf->lmshift)+1) *
|
|
((surf->extents[1]>>surf->lmshift)+1) * 3;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
deluxmap = (surf->samples - mod->lightdata)*3 + mod->deluxdata;
|
|
|
|
lightmap += (dt * ((surf->extents[0]>>surf->lmshift)+1) + ds);
|
|
deluxmap += (dt * ((surf->extents[0]>>surf->lmshift)+1) + ds)*3;
|
|
for (maps = 0 ; maps < MAXQ1LIGHTMAPS && surf->styles[maps] != 255 ;
|
|
maps++)
|
|
{
|
|
scale = d_lightstylevalue[surf->styles[maps]]*overbright;
|
|
|
|
l[0] += *lightmap * scale * cl_lightstyle[surf->styles[maps]].colours[0];
|
|
l[1] += *lightmap * scale * cl_lightstyle[surf->styles[maps]].colours[1];
|
|
l[2] += *lightmap * scale * cl_lightstyle[surf->styles[maps]].colours[2];
|
|
|
|
l[3] += deluxmap[0]*scale;
|
|
l[4] += deluxmap[1]*scale;
|
|
l[5] += deluxmap[2]*scale;
|
|
|
|
lightmap += ((surf->extents[0]>>surf->lmshift)+1) *
|
|
((surf->extents[1]>>surf->lmshift)+1);
|
|
deluxmap += ((surf->extents[0]>>surf->lmshift)+1) *
|
|
((surf->extents[1]>>surf->lmshift)+1) * 3;
|
|
}
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
if (mod->engineflags & MDLF_RGBLIGHTING)
|
|
{
|
|
lightmap += (dt * ((surf->extents[0]>>surf->lmshift)+1) + ds)*3;
|
|
for (maps = 0 ; maps < MAXQ1LIGHTMAPS && surf->styles[maps] != 255 ;
|
|
maps++)
|
|
{
|
|
scale = d_lightstylevalue[surf->styles[maps]]*overbright;
|
|
|
|
l[0] += lightmap[0] * scale * cl_lightstyle[surf->styles[maps]].colours[0];
|
|
l[1] += lightmap[1] * scale * cl_lightstyle[surf->styles[maps]].colours[1];
|
|
l[2] += lightmap[2] * scale * cl_lightstyle[surf->styles[maps]].colours[2];
|
|
|
|
lightmap += ((surf->extents[0]>>surf->lmshift)+1) *
|
|
((surf->extents[1]>>surf->lmshift)+1) * 3;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
lightmap += (dt * ((surf->extents[0]>>surf->lmshift)+1) + ds);
|
|
for (maps = 0 ; maps < MAXQ1LIGHTMAPS && surf->styles[maps] != 255 ;
|
|
maps++)
|
|
{
|
|
scale = d_lightstylevalue[surf->styles[maps]]*overbright;
|
|
|
|
l[0] += *lightmap * scale * cl_lightstyle[surf->styles[maps]].colours[0];
|
|
l[1] += *lightmap * scale * cl_lightstyle[surf->styles[maps]].colours[1];
|
|
l[2] += *lightmap * scale * cl_lightstyle[surf->styles[maps]].colours[2];
|
|
|
|
lightmap += ((surf->extents[0]>>surf->lmshift)+1) *
|
|
((surf->extents[1]>>surf->lmshift)+1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return l;
|
|
}
|
|
|
|
// go down back side
|
|
return GLRecursiveLightPoint3C (mod, node->children[!side], mid, end);
|
|
}
|
|
|
|
#endif
|
|
|
|
void GLQ1BSP_LightPointValues(model_t *model, vec3_t point, vec3_t res_diffuse, vec3_t res_ambient, vec3_t res_dir)
|
|
{
|
|
vec3_t end;
|
|
float *r;
|
|
#ifdef RTLIGHTS
|
|
extern cvar_t r_shadow_realtime_world, r_shadow_realtime_world_lightmaps;
|
|
#endif
|
|
|
|
if (!model->lightdata || r_fullbright.ival)
|
|
{
|
|
res_diffuse[0] = 0;
|
|
res_diffuse[1] = 0;
|
|
res_diffuse[2] = 0;
|
|
|
|
res_ambient[0] = 255;
|
|
res_ambient[1] = 255;
|
|
res_ambient[2] = 255;
|
|
|
|
res_dir[0] = 1;
|
|
res_dir[1] = 1;
|
|
res_dir[2] = 0.1;
|
|
VectorNormalize(res_dir);
|
|
return;
|
|
}
|
|
|
|
end[0] = point[0];
|
|
end[1] = point[1];
|
|
end[2] = point[2] - 2048;
|
|
|
|
r = GLRecursiveLightPoint3C(model, model->rootnode, point, end);
|
|
if (r == NULL)
|
|
{
|
|
res_diffuse[0] = 0;
|
|
res_diffuse[1] = 0;
|
|
res_diffuse[2] = 0;
|
|
|
|
res_ambient[0] = 0;
|
|
res_ambient[1] = 0;
|
|
res_ambient[2] = 0;
|
|
|
|
res_dir[0] = 0;
|
|
res_dir[1] = 1;
|
|
res_dir[2] = 1;
|
|
}
|
|
else
|
|
{
|
|
res_diffuse[0] = r[0]*2;
|
|
res_diffuse[1] = r[1]*2;
|
|
res_diffuse[2] = r[2]*2;
|
|
|
|
/*bright on one side, dark on the other, but not too dark*/
|
|
res_ambient[0] = r[0]/2;
|
|
res_ambient[1] = r[1]/2;
|
|
res_ambient[2] = r[2]/2;
|
|
|
|
res_dir[0] = r[3];
|
|
res_dir[1] = r[4];
|
|
res_dir[2] = -r[5];
|
|
if (!res_dir[0] && !res_dir[1] && !res_dir[2])
|
|
res_dir[1] = res_dir[2] = 1;
|
|
VectorNormalize(res_dir);
|
|
}
|
|
|
|
#ifdef RTLIGHTS
|
|
if (r_shadow_realtime_world.ival)
|
|
{
|
|
float lm = r_shadow_realtime_world_lightmaps.value;
|
|
if (lm < 0) lm = 0;
|
|
if (lm > 1) lm = 1;
|
|
VectorScale(res_diffuse, lm, res_diffuse);
|
|
VectorScale(res_ambient, lm, res_ambient);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#endif
|