891 lines
22 KiB
C
891 lines
22 KiB
C
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/*
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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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int r_dlightframecount = 0;
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mplane_t *lightplane;
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vec3_t lightspot;
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vec3_t lightcolor;
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//LordHavoc Coronas
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#define MAX_TEXTUREUNITS 8
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#define MAX_TEXTUREUNITS 8 //unknom
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typedef float vec_t;
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//extern int c_meshtris, c_meshs, c_transtris, c_transmeshs;
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typedef struct
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{
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int transparent;
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int depthwrite; // force depth writing enabled even if polygon is not opaque
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int depthdisable; // disable depth read/write entirely
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int blendfunc1;
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int blendfunc2;
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int numtriangles;
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int *index;
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int numverts;
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float *vertex;
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int vertexstep;
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float *color;
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int colorstep;
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float cr, cg, cb, ca; // if color is NULL, these are used for all vertices
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int tex[MAX_TEXTUREUNITS];
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float *texcoords[MAX_TEXTUREUNITS];
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int texcoordstep[MAX_TEXTUREUNITS];
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float texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
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}
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rmeshinfo_t;
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typedef struct
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{
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vec3_t origin;
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vec_t cullradius2; // only for culling comparisons, squared version
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vec3_t light; // the brightness of the light
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vec_t cullradius; // only for culling comparisons
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vec_t lightsubtract; // to avoid sudden brightness change at cullradius, subtract this
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entity_t *ent; // owner of this light
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}
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rdlight_t;
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static int lightcorona;
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static int coronapolyindex[6] = {0, 1, 2, 0, 2, 3};
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#if 0
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void r_light_start(void)
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{
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float dx, dy;
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int x, y, a;
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byte pixels[32][32][4];
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//lighttexturepool = R_AllocTexturePool();
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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 = ((1.0f / (dx * dx + dy * dy + 0.2f)) - (1.0f / (1.0f + 0.2))) * 64.0f / (1.0f / (1.0f + 0.2));
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a = bound(0, a, 255);
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pixels[y][x][0] = 255;
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pixels[y][x][1] = 255;
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pixels[y][x][2] = 255;
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pixels[y][x][3] = a;
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}
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}
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lightcorona = GL_LoadTexture("lightcorona", 32, 32, &pixels[0][0][0], true, true, 4);
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}
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#endif
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/*
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float TraceLine (vec3_t start, vec3_t end, vec3_t impact, vec3_t normal, int contents, int hitbmodels)
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{
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double maxfrac, startd[3], endd[3];
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trace_t trace;
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// FIXME: broken, fix it
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// if (impact == NULL && normal == NULL && contents == 0)
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// return SV_TestLine (cl.worldmodel->hulls, 0, start, end);
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VectorCopy(start, startd);
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VectorCopy(end, endd);
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//Mod_CheckLoaded(cl.worldmodel);
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memset (&trace, 0, sizeof(trace));
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VectorCopy (endd, trace.endpos);
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trace.fraction = 1;
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trace.startcontents = contents;
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VectorCopy(startd, RecursiveHullCheckInfo.start);
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VectorSubtract(endd, startd, RecursiveHullCheckInfo.dist);
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RecursiveHullCheckInfo.hull = cl.worldmodel->hulls;
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RecursiveHullCheckInfo.trace = &trace;
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SV_RecursiveHullCheck (0, 0, 1, startd, endd);
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if (impact)
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VectorCopy (trace.endpos, impact);
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if (normal)
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VectorCopy (trace.plane.normal, normal);
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traceline_endcontents = trace.endcontents;
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maxfrac = trace.fraction;
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if (hitbmodels && traceline_entities)
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{
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int n;
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entity_render_t *ent;
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double start2[3], end2[3], tracemins[3], tracemaxs[3];
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tracemins[0] = min(start[0], end[0]);
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tracemaxs[0] = max(start[0], end[0]);
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tracemins[1] = min(start[1], end[1]);
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tracemaxs[1] = max(start[1], end[1]);
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tracemins[2] = min(start[2], end[2]);
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tracemaxs[2] = max(start[2], end[2]);
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// look for embedded bmodels
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for (n = 0;n < traceline_entities;n++)
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{
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ent = traceline_entity[n];
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if (ent->mins[0] > tracemaxs[0] || ent->maxs[0] < tracemins[0]
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|| ent->mins[1] > tracemaxs[1] || ent->maxs[1] < tracemins[1]
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|| ent->mins[2] > tracemaxs[2] || ent->maxs[2] < tracemins[2])
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continue;
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softwaretransformforentity(ent);
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softwareuntransform(start, start2);
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softwareuntransform(end, end2);
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memset (&trace, 0, sizeof(trace));
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VectorCopy (end2, trace.endpos);
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trace.fraction = 1;
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trace.startcontents = contents;
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VectorCopy(start2, RecursiveHullCheckInfo.start);
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VectorSubtract(end2, start2, RecursiveHullCheckInfo.dist);
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RecursiveHullCheckInfo.hull = ent->model->hulls;
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RecursiveHullCheckInfo.trace = &trace;
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SV_RecursiveHullCheck (ent->model->hulls->firstclipnode, 0, 1, start2, end2);
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if (trace.allsolid || trace.startsolid || trace.fraction < maxfrac)
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{
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maxfrac = trace.fraction;
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if (impact)
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{
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softwaretransform(trace.endpos, impact);
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}
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if (normal)
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{
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softwaretransformdirection(trace.plane.normal, normal);
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}
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traceline_endcontents = trace.endcontents;
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}
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}
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}
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return maxfrac;
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}
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*/
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extern int particle_tex;
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extern int flare_tex;
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extern int circle_tex;
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extern int flareglow_tex;
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//Tei XFX code
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void R_DrawCorona(vec3_t pos, float radius , int visible, int alfa)
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{
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float viewdist;
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int texnum;
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vec3_t up = { vup[0] * 0.75f, vup[1] * 0.75f, vup[2] * 0.75f };
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vec3_t right = { vright[0] * 0.75f, vright[1] * 0.75f, vright[2] * 0.75f };
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vec3_t coord[4];
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viewdist = DotProduct(r_origin, vpn);
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VectorAdd( up, right, coord[0] );
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VectorSubtract( right, up, coord[1] );
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VectorNegate( coord[0], coord[2] );
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VectorNegate( coord[1], coord[3] );
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texnum = flareglow_tex;//particle_tex;//lightcorona;//circle_tex;//flare_tex;//
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//texnum = circle_tex;//lightcorona;//circle_tex;//flare_tex;//
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if (!visible)
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glDisable(GL_DEPTH_TEST);
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glBindTexture( GL_TEXTURE_2D, texnum );
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glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
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//glDepthMask(false);
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glBindTexture( GL_TEXTURE_2D, texnum );
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glBlendFunc(GL_SRC_ALPHA, GL_ONE);
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//glColor4ub( 255, 255, 255, (GLubyte)alfa);
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//glColor4ub( 255, 255, 255, alfa);
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glColor4i( 255, 255, 255, alfa);
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//glColor4ub( 0, 0, 0, alfa);
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glPushMatrix();
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glTranslatef( pos[0] , pos[1], pos[2] );
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//radius = radius * 0.1 * viewdist * 0.01f ;
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glScalef( radius , radius, radius);//Tei , scaled flares
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glBegin( GL_QUADS );
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{
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glTexCoord2f( 0, 1 );
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glVertex3fv( coord[0] );
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glTexCoord2f( 0, 0 );
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glVertex3fv( coord[1] );
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glTexCoord2f( 1, 0 );
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glVertex3fv( coord[2] );
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glTexCoord2f( 1, 1 );
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glVertex3fv( coord[3] );
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glEnd();
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}
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glPopMatrix();
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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//glDepthMask(true);
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glColor4f(1,1,1,1);
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if( !visible )
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glEnable(GL_DEPTH_TEST);
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}
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/*
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void R_DrawCorona2(vec3_t pos, float radius , int visible, int alfa, int texnum)
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{
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float viewdist;
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//int texnum;
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vec3_t up = { vup[0] * 0.75f, vup[1] * 0.75f, vup[2] * 0.75f };
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vec3_t right = { vright[0] * 0.75f, vright[1] * 0.75f, vright[2] * 0.75f };
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vec3_t coord[4];
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viewdist = DotProduct(r_origin, vpn);
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VectorAdd( up, right, coord[0] );
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VectorSubtract( right, up, coord[1] );
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VectorNegate( coord[0], coord[2] );
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VectorNegate( coord[1], coord[3] );
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//texnum = circle_tex;//particle_tex;//lightcorona;//circle_tex;//flare_tex;//
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if (!visible)
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glDisable(GL_DEPTH_TEST);
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glBindTexture( GL_TEXTURE_2D, texnum );
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glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
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//glDepthMask(false);
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glBindTexture( GL_TEXTURE_2D, texnum );
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glBlendFunc(GL_SRC_ALPHA, GL_ONE);
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glColor4ub( 255, 255, 255, alfa);
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//glColor4ub( 0, 0, 0, alfa);
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glPushMatrix();
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glTranslatef( pos[0] , pos[1], pos[2] );
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//radius = radius * 0.1 * viewdist * 0.01f ;
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glScalef( radius , radius, radius);
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glBegin( GL_QUADS );
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{
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glTexCoord2f( 0, 1 );
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glVertex3fv( coord[0] );
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glTexCoord2f( 0, 0 );
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glVertex3fv( coord[1] );
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glTexCoord2f( 1, 0 );
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glVertex3fv( coord[2] );
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glTexCoord2f( 1, 1 );
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glVertex3fv( coord[3] );
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glEnd();
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}
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glPopMatrix();
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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//glDepthMask(true);
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glColor4f(1,1,1,1);
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if( !visible )
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glEnable(GL_DEPTH_TEST);
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}
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*/
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/*
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void R_DrawCoronas(void)
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{
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int i;
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//rmeshinfo_t m;
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//float tvxyz[4][4], tvst[4][2], diff[3];
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dlight_t *dl;
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float radius,texnum, alpha, scale, dist, viewdist;
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vec3_t up = { vup[0] * 0.75f, vup[1] * 0.75f, vup[2] * 0.75f };
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vec3_t right = { vright[0] * 0.75f, vright[1] * 0.75f, vright[2] * 0.75f };
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vec3_t coord[4];
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viewdist = DotProduct(r_origin, vpn);
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dl = cl_dlights;
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for (i = 0;i < MAX_DLIGHTS ;i++)
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{
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dl = &cl_dlights[i];
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if (dl->die < cl.time)
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{
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dist = (DotProduct(dl->origin, vpn) - viewdist);
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if (dist >= 24.0f)
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{
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VectorAdd( up, right, coord[0] );
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|
|
VectorSubtract( right, up, coord[1] );
|
||
|
|
VectorNegate( coord[0], coord[2] );
|
||
|
|
VectorNegate( coord[1], coord[3] );
|
||
|
|
|
||
|
|
scale = dl->minlight * 0.25f;
|
||
|
|
radius = dl->radius * scale;
|
||
|
|
scale = scale * viewdist;
|
||
|
|
|
||
|
|
texnum = particle_tex;
|
||
|
|
glDisable(GL_DEPTH_TEST);
|
||
|
|
glBindTexture( GL_TEXTURE_2D, texnum );
|
||
|
|
|
||
|
|
glTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
|
||
|
|
|
||
|
|
//glDepthMask(false);
|
||
|
|
|
||
|
|
glBindTexture( GL_TEXTURE_2D, texnum );
|
||
|
|
|
||
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
|
||
|
|
|
||
|
|
//alpha = 50;
|
||
|
|
|
||
|
|
glColor4ub( 255, 255, 255, 200);
|
||
|
|
|
||
|
|
glPushMatrix();
|
||
|
|
|
||
|
|
glTranslatef( dl->origin[0], dl->origin[1], dl->origin[2] );
|
||
|
|
|
||
|
|
glScalef( dl->radius , dl->radius, dl->radius);//Tei
|
||
|
|
|
||
|
|
glBegin( GL_QUADS );
|
||
|
|
|
||
|
|
glTexCoord2f( 0, 1 );
|
||
|
|
glVertex3fv( coord[0] );
|
||
|
|
|
||
|
|
glTexCoord2f( 0, 0 );
|
||
|
|
glVertex3fv( coord[1] );
|
||
|
|
|
||
|
|
glTexCoord2f( 1, 0 );
|
||
|
|
glVertex3fv( coord[2] );
|
||
|
|
|
||
|
|
glTexCoord2f( 1, 1 );
|
||
|
|
glVertex3fv( coord[3] );
|
||
|
|
|
||
|
|
glEnd();
|
||
|
|
glPopMatrix();
|
||
|
|
|
||
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
||
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
||
|
|
//glDepthMask(true);
|
||
|
|
glColor4f(1,1,1,1);
|
||
|
|
glEnable(GL_DEPTH_TEST);
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
|
||
|
|
//Tei XFX code
|
||
|
|
|
||
|
|
|
||
|
|
//LordHavoc Coronas
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
==================
|
||
|
|
R_AnimateLight
|
||
|
|
==================
|
||
|
|
*/
|
||
|
|
void R_AnimateLight (void)
|
||
|
|
{
|
||
|
|
int i,j,k;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// light animations
|
||
|
|
// 'm' is normal light, 'a' is no light, 'z' is double bright
|
||
|
|
i = (int)(cl.time*10);
|
||
|
|
for (j=0 ; j<MAX_LIGHTSTYLES ; j++)
|
||
|
|
{
|
||
|
|
if (!cl_lightstyle[j].length)
|
||
|
|
{
|
||
|
|
d_lightstylevalue[j] = 256;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
k = i % cl_lightstyle[j].length;
|
||
|
|
k = cl_lightstyle[j].map[k] - 'a';
|
||
|
|
#if 1 //Telejano RC2
|
||
|
|
k = k*25;//Tei more light 24
|
||
|
|
#else
|
||
|
|
k = k*22;
|
||
|
|
#endif
|
||
|
|
d_lightstylevalue[j] = k;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
=============================================================================
|
||
|
|
|
||
|
|
DYNAMIC LIGHTS
|
||
|
|
|
||
|
|
=============================================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
=============
|
||
|
|
R_MarkLights
|
||
|
|
=============
|
||
|
|
*/
|
||
|
|
void R_MarkLightsNoVis (dlight_t *light, int bit, mnode_t *node)
|
||
|
|
{
|
||
|
|
mplane_t *splitplane;
|
||
|
|
float dist;
|
||
|
|
msurface_t *surf;
|
||
|
|
int i;
|
||
|
|
float l, maxdist;
|
||
|
|
int j, s, t;
|
||
|
|
vec3_t impact;
|
||
|
|
|
||
|
|
loc0:
|
||
|
|
if (node->contents < 0)
|
||
|
|
return;
|
||
|
|
|
||
|
|
splitplane = node->plane;
|
||
|
|
dist = PlaneDiff (light->origin, splitplane);
|
||
|
|
|
||
|
|
if (dist > light->radius)
|
||
|
|
{
|
||
|
|
node = node->children[0];
|
||
|
|
goto loc0;
|
||
|
|
}
|
||
|
|
if (dist < -light->radius)
|
||
|
|
{
|
||
|
|
node = node->children[1];
|
||
|
|
goto loc0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// mark the polygons
|
||
|
|
maxdist = light->radius*light->radius;
|
||
|
|
|
||
|
|
surf = cl.worldmodel->surfaces + node->firstsurface;
|
||
|
|
for (i = 0; i < node->numsurfaces; i++, surf++)
|
||
|
|
{
|
||
|
|
for (j=0 ; j<3 ; j++)
|
||
|
|
impact[j] = light->origin[j] - surf->plane->normal[j]*dist;
|
||
|
|
|
||
|
|
// clamp center of light to corner and check brightness
|
||
|
|
l = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0];
|
||
|
|
s = l+0.5;
|
||
|
|
if (s < 0)
|
||
|
|
s = 0;
|
||
|
|
else if (s > surf->extents[0])
|
||
|
|
s = surf->extents[0];
|
||
|
|
s = l - s;
|
||
|
|
l = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1];
|
||
|
|
t = l+0.5;
|
||
|
|
if (t < 0)
|
||
|
|
t = 0;
|
||
|
|
else if (t > surf->extents[1])
|
||
|
|
t = surf->extents[1];
|
||
|
|
t = l - t;
|
||
|
|
// compare to minimum light
|
||
|
|
if ((s*s+t*t+dist*dist) < maxdist)
|
||
|
|
{
|
||
|
|
if (surf->dlightframe != r_framecount) // not dynamic until now
|
||
|
|
{
|
||
|
|
surf->dlightbits = bit;
|
||
|
|
surf->dlightframe = r_framecount;
|
||
|
|
}
|
||
|
|
else // already dynamic
|
||
|
|
surf->dlightbits |= bit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (node->children[0]->contents >= 0)
|
||
|
|
{
|
||
|
|
if (node->children[1]->contents >= 0)
|
||
|
|
{
|
||
|
|
R_MarkLightsNoVis (light, bit, node->children[0]);
|
||
|
|
node = node->children[1];
|
||
|
|
goto loc0;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
node = node->children[0];
|
||
|
|
goto loc0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (node->children[1]->contents >= 0)
|
||
|
|
{
|
||
|
|
node = node->children[1];
|
||
|
|
goto loc0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void R_MarkLights (dlight_t *light, int bit, model_t *model)
|
||
|
|
{
|
||
|
|
mleaf_t *pvsleaf = Mod_PointInLeaf (light->origin, model);
|
||
|
|
|
||
|
|
if (!pvsleaf->compressed_vis)
|
||
|
|
{
|
||
|
|
// no vis info, so make all visible
|
||
|
|
R_MarkLightsNoVis(light, bit, model->nodes + model->hulls[0].firstclipnode);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
int i, k, l, m, c;
|
||
|
|
msurface_t *surf, **mark;
|
||
|
|
mleaf_t *leaf;
|
||
|
|
byte *in = pvsleaf->compressed_vis;
|
||
|
|
int row = (model->numleafs+7)>>3;
|
||
|
|
float low[3], high[3], radius, dist, maxdist;
|
||
|
|
|
||
|
|
r_dlightframecount++;
|
||
|
|
|
||
|
|
radius = light->radius * 2;
|
||
|
|
|
||
|
|
low[0] = light->origin[0] - radius;
|
||
|
|
low[1] = light->origin[1] - radius;
|
||
|
|
low[2] = light->origin[2] - radius;
|
||
|
|
high[0] = light->origin[0] + radius;
|
||
|
|
high[1] = light->origin[1] + radius;
|
||
|
|
high[2] = light->origin[2] + radius;
|
||
|
|
|
||
|
|
// for comparisons to minimum acceptable light
|
||
|
|
maxdist = radius*radius;
|
||
|
|
//maxdist = radius*radius * 0.5f;//Tei
|
||
|
|
|
||
|
|
k = 0;
|
||
|
|
while (k < row)
|
||
|
|
{
|
||
|
|
c = *in++;
|
||
|
|
if (c)
|
||
|
|
{
|
||
|
|
l = model->numleafs - (k << 3);
|
||
|
|
if (l > 8)
|
||
|
|
l = 8;
|
||
|
|
for (i=0 ; i<l ; i++)
|
||
|
|
{
|
||
|
|
if (c & (1<<i))
|
||
|
|
{
|
||
|
|
leaf = &model->leafs[(k << 3)+i+1];
|
||
|
|
if (leaf->visframe != r_visframecount)
|
||
|
|
continue;
|
||
|
|
if (leaf->contents == CONTENTS_SOLID)
|
||
|
|
continue;
|
||
|
|
// if out of the light radius, skip
|
||
|
|
if (leaf->mins[0] > high[0] || leaf->maxs[0] < low[0]
|
||
|
|
|| leaf->mins[1] > high[1] || leaf->maxs[1] < low[1]
|
||
|
|
|| leaf->mins[2] > high[2] || leaf->maxs[2] < low[2])
|
||
|
|
continue;
|
||
|
|
if ((m = leaf->nummarksurfaces))
|
||
|
|
{
|
||
|
|
mark = leaf->firstmarksurface;
|
||
|
|
do
|
||
|
|
{
|
||
|
|
surf = *mark++;
|
||
|
|
|
||
|
|
if (surf->lightframe == r_dlightframecount)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
surf->lightframe = r_dlightframecount;
|
||
|
|
dist = PlaneDiff(light->origin, surf->plane);
|
||
|
|
if (surf->flags & SURF_PLANEBACK)
|
||
|
|
dist = -dist;
|
||
|
|
// LordHavoc: make sure it is infront of the surface and not too far away
|
||
|
|
if (dist >= -0.25f && (dist < radius))
|
||
|
|
{
|
||
|
|
int d;
|
||
|
|
float dist2, impact[3];
|
||
|
|
|
||
|
|
dist2 = dist * dist;
|
||
|
|
|
||
|
|
impact[0] = light->origin[0] - surf->plane->normal[0] * dist;
|
||
|
|
impact[1] = light->origin[1] - surf->plane->normal[1] * dist;
|
||
|
|
impact[2] = light->origin[2] - surf->plane->normal[2] * dist;
|
||
|
|
|
||
|
|
d = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0];
|
||
|
|
|
||
|
|
if (d < 0)
|
||
|
|
{
|
||
|
|
dist2 += d * d;
|
||
|
|
if (dist2 >= maxdist)
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
d -= surf->extents[0] + 16;
|
||
|
|
if (d > 0)
|
||
|
|
{
|
||
|
|
dist2 += d * d;
|
||
|
|
if (dist2 >= maxdist)
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
d = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1];
|
||
|
|
|
||
|
|
if (d < 0)
|
||
|
|
{
|
||
|
|
dist2 += d * d;
|
||
|
|
if (dist2 >= maxdist)
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
d -= surf->extents[1] + 16;
|
||
|
|
if (d > 0)
|
||
|
|
{
|
||
|
|
dist2 += d * d;
|
||
|
|
if (dist2 >= maxdist)
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (surf->dlightframe != r_framecount) // not dynamic until now
|
||
|
|
{
|
||
|
|
surf->dlightbits = 0;
|
||
|
|
surf->dlightframe = r_framecount;
|
||
|
|
}
|
||
|
|
surf->dlightbits |= bit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
while (--m);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
k++;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
k += *in++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
=============
|
||
|
|
R_PushDlights
|
||
|
|
=============
|
||
|
|
*/
|
||
|
|
void
|
||
|
|
R_PushDlights (void)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
dlight_t *l;
|
||
|
|
|
||
|
|
l = cl_dlights;
|
||
|
|
|
||
|
|
for (i = 0; i < MAX_DLIGHTS; i++, l++) {
|
||
|
|
if (l->die < cl.time || !l->radius)
|
||
|
|
continue;
|
||
|
|
R_MarkLights (l, 1 << i, cl.worldmodel);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
=============================================================================
|
||
|
|
|
||
|
|
LIGHT SAMPLING
|
||
|
|
|
||
|
|
=============================================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
// Tomaz - Lit Support Begin
|
||
|
|
int RecursiveLightPoint (vec3_t color, mnode_t *node, vec3_t start, vec3_t end)
|
||
|
|
{
|
||
|
|
|
||
|
|
int side;
|
||
|
|
float front, back, frac;
|
||
|
|
vec3_t mid;
|
||
|
|
|
||
|
|
loc0:
|
||
|
|
if (node->contents < 0)
|
||
|
|
return false; // didn't hit anything
|
||
|
|
|
||
|
|
// calculate mid point
|
||
|
|
front = PlaneDiff(start, node->plane);
|
||
|
|
back = PlaneDiff(end, node->plane);
|
||
|
|
|
||
|
|
if ((back < 0) == (front < 0))
|
||
|
|
{
|
||
|
|
node = node->children[front < 0];
|
||
|
|
goto loc0;
|
||
|
|
}
|
||
|
|
|
||
|
|
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
|
||
|
|
if (RecursiveLightPoint (color, node->children[front < 0], start, mid))
|
||
|
|
return true; // hit something
|
||
|
|
else
|
||
|
|
{
|
||
|
|
int i, ds, dt;
|
||
|
|
msurface_t *surf;
|
||
|
|
// check for impact on this node
|
||
|
|
VectorCopy (mid, lightspot);
|
||
|
|
lightplane = node->plane;
|
||
|
|
|
||
|
|
surf = cl.worldmodel->surfaces + node->firstsurface;
|
||
|
|
for (i = 0;i < node->numsurfaces;i++, surf++)
|
||
|
|
{
|
||
|
|
if (surf->flags & SURF_DRAWTILED)
|
||
|
|
continue; // no lightmaps
|
||
|
|
|
||
|
|
ds = (int) ((float) DotProduct (mid, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3]);
|
||
|
|
dt = (int) ((float) DotProduct (mid, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3]);
|
||
|
|
|
||
|
|
if (ds < surf->texturemins[0] || dt < surf->texturemins[1])
|
||
|
|
continue;
|
||
|
|
|
||
|
|
ds -= surf->texturemins[0];
|
||
|
|
dt -= surf->texturemins[1];
|
||
|
|
|
||
|
|
if (ds > surf->extents[0] || dt > surf->extents[1])
|
||
|
|
continue;
|
||
|
|
|
||
|
|
if (surf->samples)
|
||
|
|
{
|
||
|
|
byte *lightmap;
|
||
|
|
int maps, size3, line3, dsfrac = ds & 15, dtfrac = dt & 15, r00 = 0, g00 = 0, b00 = 0, r01 = 0, g01 = 0, b01 = 0, r10 = 0, g10 = 0, b10 = 0, r11 = 0, g11 = 0, b11 = 0;
|
||
|
|
float scale;//tei from lh
|
||
|
|
line3 = ((surf->extents[0]>>4)+1)*3;
|
||
|
|
|
||
|
|
lightmap = surf->samples + ((dt>>4) * ((surf->extents[0]>>4)+1) + (ds>>4))*3;
|
||
|
|
|
||
|
|
size3 = ((surf->extents[0]>>4)+1) * ((surf->extents[1]>>4)+1)*3; // LordHavoc: *3 for colored lighting
|
||
|
|
|
||
|
|
for (maps = 0;maps < MAXLIGHTMAPS && surf->styles[maps] != 255;maps++)
|
||
|
|
{
|
||
|
|
scale = (float) d_lightstylevalue[surf->styles[maps]] * 1.0 / 256.0; // Tomaz - Speed
|
||
|
|
// NOTE: r=red, g=green, b=blue
|
||
|
|
// numbers are tex-coords
|
||
|
|
r00 += (float) lightmap[ 0] * scale; // red 00
|
||
|
|
g00 += (float) lightmap[ 1] * scale; // green 00
|
||
|
|
b00 += (float) lightmap[ 2] * scale; // blue 00
|
||
|
|
r01 += (float) lightmap[ 3] * scale; // red 01
|
||
|
|
g01 += (float) lightmap[ 4] * scale; // green 01
|
||
|
|
b01 += (float) lightmap[ 5] * scale; // blue 01
|
||
|
|
r10 += (float) lightmap[line3+0] * scale; // red 10
|
||
|
|
g10 += (float) lightmap[line3+1] * scale; // green 10
|
||
|
|
b10 += (float) lightmap[line3+2] * scale; // blue 10
|
||
|
|
r11 += (float) lightmap[line3+3] * scale; // red 11
|
||
|
|
g11 += (float) lightmap[line3+4] * scale; // green 11
|
||
|
|
b11 += (float) lightmap[line3+5] * scale; // blue 11
|
||
|
|
#if 1 //Telejano RC2 speed
|
||
|
|
lightmap += size3;//((surf->extents[0]>>4)+1) * ((surf->extents[1]>>4)+1)*3;//Tei optizimacion
|
||
|
|
#else
|
||
|
|
lightmap += ((surf->extents[0]>>4)+1) * ((surf->extents[1]>>4)+1)*3;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
//Original tomaz
|
||
|
|
color[0] += (float) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00)) * (1.0f / 32768.0f);
|
||
|
|
color[1] += (float) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00)) * (1.0f / 32768.0f);
|
||
|
|
color[2] += (float) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00)) * (1.0f / 32768.0f);
|
||
|
|
*/
|
||
|
|
|
||
|
|
//lh version
|
||
|
|
color[0] += (float) ((int) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00)));
|
||
|
|
color[1] += (float) ((int) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00)));
|
||
|
|
color[2] += (float) ((int) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00)));
|
||
|
|
}
|
||
|
|
return true; // success
|
||
|
|
}
|
||
|
|
|
||
|
|
// go down back side
|
||
|
|
|
||
|
|
// go down back side
|
||
|
|
#if 1 //Telejano RC2 speed
|
||
|
|
side = front < node->plane->dist;
|
||
|
|
node = node->children[side ^ 1];
|
||
|
|
//startz = mid;
|
||
|
|
//distz = endz - startz;
|
||
|
|
goto loc0;
|
||
|
|
#else
|
||
|
|
return RecursiveLightPoint (color, node->children[front >= 0], mid, end);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#if 1
|
||
|
|
extern cvar_t r_ambient;//Tei ambient
|
||
|
|
#endif
|
||
|
|
|
||
|
|
void R_LightPoint (vec3_t p)
|
||
|
|
{
|
||
|
|
vec3_t end;
|
||
|
|
|
||
|
|
if (!cl.worldmodel->lightdata)
|
||
|
|
{
|
||
|
|
lightcolor[0] = lightcolor[1] = lightcolor[2] = 255;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
end[0] = p[0];
|
||
|
|
end[1] = p[1];
|
||
|
|
end[2] = p[2] - 2048;
|
||
|
|
|
||
|
|
#if 1 //Telejano RC2 feature r_ambient
|
||
|
|
lightcolor[0] = lightcolor[1] = lightcolor[2] = r_ambient.value;//Tei
|
||
|
|
#else
|
||
|
|
lightcolor[0] = lightcolor[1] = lightcolor[2] = 0;//Tei
|
||
|
|
#endif
|
||
|
|
RecursiveLightPoint (lightcolor, cl.worldmodel->nodes, p, end);
|
||
|
|
}
|
||
|
|
// Tomaz - Lit Support End
|