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Diffstat (limited to 'src/cgame/cg_marks.c')
-rw-r--r-- | src/cgame/cg_marks.c | 298 |
1 files changed, 0 insertions, 298 deletions
diff --git a/src/cgame/cg_marks.c b/src/cgame/cg_marks.c deleted file mode 100644 index 00fc89c2..00000000 --- a/src/cgame/cg_marks.c +++ /dev/null @@ -1,298 +0,0 @@ -// Copyright (C) 1999-2000 Id Software, Inc. -// -// cg_marks.c -- wall marks - -/* - * Portions Copyright (C) 2000-2001 Tim Angus - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -/* To assertain which portions are licensed under the GPL and which are - * licensed by Id Software, Inc. please run a diff between the equivalent - * versions of the "Tremulous" modification and the unmodified "Quake3" - * game source code. - */ - -#include "cg_local.h" - -/* -=================================================================== - -MARK POLYS - -=================================================================== -*/ - - -markPoly_t cg_activeMarkPolys; // double linked list -markPoly_t *cg_freeMarkPolys; // single linked list -markPoly_t cg_markPolys[MAX_MARK_POLYS]; -static int markTotal; - -/* -=================== -CG_InitMarkPolys - -This is called at startup and for tournement restarts -=================== -*/ -void CG_InitMarkPolys( void ) { - int i; - - memset( cg_markPolys, 0, sizeof(cg_markPolys) ); - - cg_activeMarkPolys.nextMark = &cg_activeMarkPolys; - cg_activeMarkPolys.prevMark = &cg_activeMarkPolys; - cg_freeMarkPolys = cg_markPolys; - for ( i = 0 ; i < MAX_MARK_POLYS - 1 ; i++ ) { - cg_markPolys[i].nextMark = &cg_markPolys[i+1]; - } -} - - -/* -================== -CG_FreeMarkPoly -================== -*/ -void CG_FreeMarkPoly( markPoly_t *le ) { - if ( !le->prevMark ) { - CG_Error( "CG_FreeLocalEntity: not active" ); - } - - // remove from the doubly linked active list - le->prevMark->nextMark = le->nextMark; - le->nextMark->prevMark = le->prevMark; - - // the free list is only singly linked - le->nextMark = cg_freeMarkPolys; - cg_freeMarkPolys = le; -} - -/* -=================== -CG_AllocMark - -Will allways succeed, even if it requires freeing an old active mark -=================== -*/ -markPoly_t *CG_AllocMark( void ) { - markPoly_t *le; - int time; - - if ( !cg_freeMarkPolys ) { - // no free entities, so free the one at the end of the chain - // remove the oldest active entity - time = cg_activeMarkPolys.prevMark->time; - while (cg_activeMarkPolys.prevMark && time == cg_activeMarkPolys.prevMark->time) { - CG_FreeMarkPoly( cg_activeMarkPolys.prevMark ); - } - } - - le = cg_freeMarkPolys; - cg_freeMarkPolys = cg_freeMarkPolys->nextMark; - - memset( le, 0, sizeof( *le ) ); - - // link into the active list - le->nextMark = cg_activeMarkPolys.nextMark; - le->prevMark = &cg_activeMarkPolys; - cg_activeMarkPolys.nextMark->prevMark = le; - cg_activeMarkPolys.nextMark = le; - return le; -} - - - -/* -================= -CG_ImpactMark - -origin should be a point within a unit of the plane -dir should be the plane normal - -temporary marks will not be stored or randomly oriented, but immediately -passed to the renderer. -================= -*/ -#define MAX_MARK_FRAGMENTS 128 -#define MAX_MARK_POINTS 384 - -void CG_ImpactMark( qhandle_t markShader, const vec3_t origin, const vec3_t dir, - float orientation, float red, float green, float blue, float alpha, - qboolean alphaFade, float radius, qboolean temporary ) { - vec3_t axis[3]; - float texCoordScale; - vec3_t originalPoints[4]; - byte colors[4]; - int i, j; - int numFragments; - markFragment_t markFragments[MAX_MARK_FRAGMENTS], *mf; - vec3_t markPoints[MAX_MARK_POINTS]; - vec3_t projection; - - if ( !cg_addMarks.integer ) { - return; - } - - if ( radius <= 0 ) { - CG_Error( "CG_ImpactMark called with <= 0 radius" ); - } - - //if ( markTotal >= MAX_MARK_POLYS ) { - // return; - //} - - // create the texture axis - VectorNormalize2( dir, axis[0] ); - PerpendicularVector( axis[1], axis[0] ); - RotatePointAroundVector( axis[2], axis[0], axis[1], orientation ); - CrossProduct( axis[0], axis[2], axis[1] ); - - texCoordScale = 0.5 * 1.0 / radius; - - // create the full polygon - for ( i = 0 ; i < 3 ; i++ ) { - originalPoints[0][i] = origin[i] - radius * axis[1][i] - radius * axis[2][i]; - originalPoints[1][i] = origin[i] + radius * axis[1][i] - radius * axis[2][i]; - originalPoints[2][i] = origin[i] + radius * axis[1][i] + radius * axis[2][i]; - originalPoints[3][i] = origin[i] - radius * axis[1][i] + radius * axis[2][i]; - } - - // get the fragments - VectorScale( dir, -20, projection ); - numFragments = trap_CM_MarkFragments( 4, (void *)originalPoints, - projection, MAX_MARK_POINTS, markPoints[0], - MAX_MARK_FRAGMENTS, markFragments ); - - colors[0] = red * 255; - colors[1] = green * 255; - colors[2] = blue * 255; - colors[3] = alpha * 255; - - for ( i = 0, mf = markFragments ; i < numFragments ; i++, mf++ ) { - polyVert_t *v; - polyVert_t verts[MAX_VERTS_ON_POLY]; - markPoly_t *mark; - - // we have an upper limit on the complexity of polygons - // that we store persistantly - if ( mf->numPoints > MAX_VERTS_ON_POLY ) { - mf->numPoints = MAX_VERTS_ON_POLY; - } - for ( j = 0, v = verts ; j < mf->numPoints ; j++, v++ ) { - vec3_t delta; - - VectorCopy( markPoints[mf->firstPoint + j], v->xyz ); - - VectorSubtract( v->xyz, origin, delta ); - v->st[0] = 0.5 + DotProduct( delta, axis[1] ) * texCoordScale; - v->st[1] = 0.5 + DotProduct( delta, axis[2] ) * texCoordScale; - *(int *)v->modulate = *(int *)colors; - } - - // if it is a temporary (shadow) mark, add it immediately and forget about it - if ( temporary ) { - trap_R_AddPolyToScene( markShader, mf->numPoints, verts ); - continue; - } - - // otherwise save it persistantly - mark = CG_AllocMark(); - mark->time = cg.time; - mark->alphaFade = alphaFade; - mark->markShader = markShader; - mark->poly.numVerts = mf->numPoints; - mark->color[0] = red; - mark->color[1] = green; - mark->color[2] = blue; - mark->color[3] = alpha; - memcpy( mark->verts, verts, mf->numPoints * sizeof( verts[0] ) ); - markTotal++; - } -} - - -/* -=============== -CG_AddMarks -=============== -*/ -#define MARK_TOTAL_TIME 10000 -#define MARK_FADE_TIME 1000 - -void CG_AddMarks( void ) { - int j; - markPoly_t *mp, *next; - int t; - int fade; - - if ( !cg_addMarks.integer ) { - return; - } - - mp = cg_activeMarkPolys.nextMark; - for ( ; mp != &cg_activeMarkPolys ; mp = next ) { - // grab next now, so if the local entity is freed we - // still have it - next = mp->nextMark; - - // see if it is time to completely remove it - if ( cg.time > mp->time + MARK_TOTAL_TIME ) { - CG_FreeMarkPoly( mp ); - continue; - } - - // fade out the energy bursts - if ( mp->markShader == cgs.media.energyMarkShader ) { - - fade = 450 - 450 * ( (cg.time - mp->time ) / 3000.0 ); - if ( fade < 255 ) { - if ( fade < 0 ) { - fade = 0; - } - if ( mp->verts[0].modulate[0] != 0 ) { - for ( j = 0 ; j < mp->poly.numVerts ; j++ ) { - mp->verts[j].modulate[0] = mp->color[0] * fade; - mp->verts[j].modulate[1] = mp->color[1] * fade; - mp->verts[j].modulate[2] = mp->color[2] * fade; - } - } - } - } - - // fade all marks out with time - t = mp->time + MARK_TOTAL_TIME - cg.time; - if ( t < MARK_FADE_TIME ) { - fade = 255 * t / MARK_FADE_TIME; - if ( mp->alphaFade ) { - for ( j = 0 ; j < mp->poly.numVerts ; j++ ) { - mp->verts[j].modulate[3] = fade; - } - } else { - for ( j = 0 ; j < mp->poly.numVerts ; j++ ) { - mp->verts[j].modulate[0] = mp->color[0] * fade; - mp->verts[j].modulate[1] = mp->color[1] * fade; - mp->verts[j].modulate[2] = mp->color[2] * fade; - } - } - } - - - trap_R_AddPolyToScene( mp->markShader, mp->poly.numVerts, mp->verts ); - } -} - |