/* gl_rmain.c - renderer main loop Copyright (C) 2010 Uncle Mike 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 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. */ #include "r_local.h" #include "mathlib.h" #include "library.h" //#include "beamdef.h" //#include "particledef.h" #include "entity_types.h" #include "mod_local.h" int r_cnumsurfs; #define IsLiquidContents( cnt ) ( cnt == CONTENTS_WATER || cnt == CONTENTS_SLIME || cnt == CONTENTS_LAVA ) ref_instance_t RI; // quake defines. will be refactored // view origin // // // screen size info // float xcenter, ycenter; float xscale, yscale; float xscaleinv, yscaleinv; //float xscaleshrink, yscaleshrink; float aliasxscale, aliasyscale, aliasxcenter, aliasycenter; int r_screenwidth; // // refresh flags // //int d_spanpixcount; //int r_polycount; //int r_drawnpolycount; //int r_wholepolycount; int r_viewcluster, r_oldviewcluster; cvar_t *r_lefthand; cvar_t *sw_aliasstats; cvar_t *sw_allow_modex; cvar_t *sw_clearcolor; cvar_t *sw_drawflat; cvar_t *sw_draworder; cvar_t *sw_maxedges; cvar_t *sw_maxsurfs; cvar_t *sw_reportedgeout; cvar_t *sw_reportsurfout; cvar_t *sw_stipplealpha; cvar_t *sw_surfcacheoverride; cvar_t *sw_waterwarp; cvar_t *sw_texfilt; cvar_t *sw_notransbrushes; cvar_t *sw_noalphabrushes; cvar_t *r_drawworld; cvar_t *r_drawentities; cvar_t *r_dspeeds; cvar_t *r_fullbright; cvar_t *r_lerpmodels; cvar_t *r_novis; cvar_t *r_lightmap; cvar_t *r_dynamic; cvar_t *r_traceglow; cvar_t *tracerred; cvar_t *tracergreen; cvar_t *tracerblue; cvar_t *traceralpha; cvar_t *r_speeds; cvar_t *r_lightlevel; //FIXME HACK cvar_t *vid_fullscreen; cvar_t *vid_gamma; //PGM cvar_t *sw_lockpvs; //PGM cvar_t *r_decals; int r_viewcluster, r_oldviewcluster; float d_sdivzstepu, d_tdivzstepu, d_zistepu; float d_sdivzstepv, d_tdivzstepv, d_zistepv; float d_sdivzorigin, d_tdivzorigin, d_ziorigin; fixed16_t sadjust, tadjust, bbextents, bbextentt; pixel_t *cacheblock; int cachewidth; pixel_t *d_viewbuffer; short *d_pzbuffer; unsigned int d_zrowbytes; unsigned int d_zwidth; mvertex_t *r_pcurrentvertbase; //int c_surf; qboolean r_surfsonstack; int r_clipflags; byte r_warpbuffer[WARP_WIDTH * WARP_HEIGHT]; int r_numallocatededges; float r_aliasuvscale = 1.0; static int R_RankForRenderMode( int rendermode ) { switch( rendermode ) { case kRenderTransTexture: return 1; // draw second case kRenderTransAdd: return 2; // draw third case kRenderGlow: return 3; // must be last! } return 0; } #if 0 /* ================ R_GetEntityRenderMode check for texture flags ================ */ int R_GetEntityRenderMode( cl_entity_t *ent ) { int i, opaque, trans; mstudiotexture_t *ptexture; cl_entity_t *oldent; model_t *model; studiohdr_t *phdr; oldent = RI.currententity; RI.currententity = ent; return ent->curstate.rendermode; } #endif void GAME_EXPORT R_AllowFog( qboolean allowed ) { } /* =============== R_OpaqueEntity Opaque entity can be brush or studio model but sprite =============== */ static qboolean R_OpaqueEntity( cl_entity_t *ent ) { int rendermode = R_GetEntityRenderMode( ent ); if( rendermode == kRenderNormal ) return true; if( sw_notransbrushes->value && ent->model && ent->model->type == mod_brush && rendermode == kRenderTransTexture ) return true; if( sw_noalphabrushes->value && ent->model && ent->model->type == mod_brush && rendermode == kRenderTransAlpha ) return true; return false; } /* =============== R_TransEntityCompare Sorting translucent entities by rendermode then by distance =============== */ static int R_TransEntityCompare( const cl_entity_t **a, const cl_entity_t **b ) { cl_entity_t *ent1, *ent2; vec3_t vecLen, org; float dist1, dist2; int rendermode1; int rendermode2; ent1 = (cl_entity_t *)*a; ent2 = (cl_entity_t *)*b; rendermode1 = R_GetEntityRenderMode( ent1 ); rendermode2 = R_GetEntityRenderMode( ent2 ); // sort by distance if( ent1->model && ent1->model->type != mod_brush || rendermode1 != kRenderTransAlpha ) { VectorAverage( ent1->model->mins, ent1->model->maxs, org ); VectorAdd( ent1->origin, org, org ); VectorSubtract( RI.vieworg, org, vecLen ); dist1 = DotProduct( vecLen, vecLen ); } else dist1 = 1000000000; if( ent1->model && ent2->model->type != mod_brush || rendermode2 != kRenderTransAlpha ) { VectorAverage( ent2->model->mins, ent2->model->maxs, org ); VectorAdd( ent2->origin, org, org ); VectorSubtract( RI.vieworg, org, vecLen ); dist2 = DotProduct( vecLen, vecLen ); } else dist2 = 1000000000; if( dist1 > dist2 ) return -1; if( dist1 < dist2 ) return 1; // then sort by rendermode if( R_RankForRenderMode( rendermode1 ) > R_RankForRenderMode( rendermode2 )) return 1; if( R_RankForRenderMode( rendermode1 ) < R_RankForRenderMode( rendermode2 )) return -1; return 0; } #if 1 /* =============== R_WorldToScreen Convert a given point from world into screen space Returns true if we behind to screen =============== */ int R_WorldToScreen( const vec3_t point, vec3_t screen ) { matrix4x4 worldToScreen; qboolean behind; float w; if( !point || !screen ) return true; Matrix4x4_Copy( worldToScreen, RI.worldviewProjectionMatrix ); screen[0] = worldToScreen[0][0] * point[0] + worldToScreen[0][1] * point[1] + worldToScreen[0][2] * point[2] + worldToScreen[0][3]; screen[1] = worldToScreen[1][0] * point[0] + worldToScreen[1][1] * point[1] + worldToScreen[1][2] * point[2] + worldToScreen[1][3]; w = worldToScreen[3][0] * point[0] + worldToScreen[3][1] * point[1] + worldToScreen[3][2] * point[2] + worldToScreen[3][3]; screen[2] = 0.0f; // just so we have something valid here if( w < 0.001f ) { screen[0] *= 100000; screen[1] *= 100000; behind = true; } else { float invw = 1.0f / w; screen[0] *= invw; screen[1] *= invw; behind = false; } return behind; } /* =============== R_ScreenToWorld Convert a given point from screen into world space =============== */ void GAME_EXPORT R_ScreenToWorld( const vec3_t screen, vec3_t point ) { matrix4x4 screenToWorld; float w; if( !point || !screen ) return; Matrix4x4_Invert_Full( screenToWorld, RI.worldviewProjectionMatrix ); point[0] = screen[0] * screenToWorld[0][0] + screen[1] * screenToWorld[0][1] + screen[2] * screenToWorld[0][2] + screenToWorld[0][3]; point[1] = screen[0] * screenToWorld[1][0] + screen[1] * screenToWorld[1][1] + screen[2] * screenToWorld[1][2] + screenToWorld[1][3]; point[2] = screen[0] * screenToWorld[2][0] + screen[1] * screenToWorld[2][1] + screen[2] * screenToWorld[2][2] + screenToWorld[2][3]; w = screen[0] * screenToWorld[3][0] + screen[1] * screenToWorld[3][1] + screen[2] * screenToWorld[3][2] + screenToWorld[3][3]; if( w != 0.0f ) VectorScale( point, ( 1.0f / w ), point ); } #endif /* =============== R_PushScene =============== */ void GAME_EXPORT R_PushScene( void ) { if( ++tr.draw_stack_pos >= MAX_DRAW_STACK ) gEngfuncs.Host_Error( "draw stack overflow\n" ); tr.draw_list = &tr.draw_stack[tr.draw_stack_pos]; } /* =============== R_PopScene =============== */ void GAME_EXPORT R_PopScene( void ) { if( --tr.draw_stack_pos < 0 ) gEngfuncs.Host_Error( "draw stack underflow\n" ); tr.draw_list = &tr.draw_stack[tr.draw_stack_pos]; } /* =============== R_ClearScene =============== */ void GAME_EXPORT R_ClearScene( void ) { tr.draw_list->num_solid_entities = 0; tr.draw_list->num_trans_entities = 0; tr.draw_list->num_beam_entities = 0; tr.draw_list->num_edge_entities = 0; // clear the scene befor start new frame if( gEngfuncs.drawFuncs->R_ClearScene != NULL ) gEngfuncs.drawFuncs->R_ClearScene(); } /* =============== R_AddEntity =============== */ qboolean GAME_EXPORT R_AddEntity( struct cl_entity_s *clent, int type ) { if( !r_drawentities->value ) return false; // not allow to drawing if( !clent || !clent->model ) return false; // if set to invisible, skip if( FBitSet( clent->curstate.effects, EF_NODRAW )) return false; // done if( !R_ModelOpaque( clent->curstate.rendermode ) && CL_FxBlend( clent ) <= 0 ) return true; // invisible if( type == ET_FRAGMENTED ) r_stats.c_client_ents++; if( R_OpaqueEntity( clent )) { if( clent->model->type == mod_brush ) { if( tr.draw_list->num_edge_entities >= MAX_VISIBLE_PACKET ) return false; tr.draw_list->edge_entities[tr.draw_list->num_edge_entities] = clent; tr.draw_list->num_edge_entities++; return true; } // opaque if( tr.draw_list->num_solid_entities >= MAX_VISIBLE_PACKET ) return false; tr.draw_list->solid_entities[tr.draw_list->num_solid_entities] = clent; tr.draw_list->num_solid_entities++; } else { // translucent if( tr.draw_list->num_trans_entities >= MAX_VISIBLE_PACKET ) return false; tr.draw_list->trans_entities[tr.draw_list->num_trans_entities] = clent; tr.draw_list->num_trans_entities++; } return true; } /* ============= R_Clear ============= */ static void R_Clear( int bitMask ) { int bits; #if 0 if( gEngfuncs.CL_IsDevOverviewMode( )) pglClearColor( 0.0f, 1.0f, 0.0f, 1.0f ); // green background (Valve rules) else pglClearColor( 0.5f, 0.5f, 0.5f, 1.0f ); bits = GL_DEPTH_BUFFER_BIT; if( glState.stencilEnabled ) bits |= GL_STENCIL_BUFFER_BIT; bits &= bitMask; pglClear( bits ); // change ordering for overview if( RI.drawOrtho ) { gldepthmin = 1.0f; gldepthmax = 0.0f; } else { gldepthmin = 0.0f; gldepthmax = 1.0f; } pglDepthFunc( GL_LEQUAL ); pglDepthRange( gldepthmin, gldepthmax ); #endif memset( vid.buffer, 0, vid.width * vid.height *2); } //============================================================================= /* =============== R_GetFarClip =============== */ static float R_GetFarClip( void ) { if( WORLDMODEL && RI.drawWorld ) return MOVEVARS->zmax * 1.73f; return 2048.0f; } /* =============== R_SetupFrustum =============== */ void R_SetupFrustum( void ) { #if 1 //ref_overview_t *ov = gEngfuncs.GetOverviewParms(); /*if( RP_NORMALPASS() && ( ENGINE_GET_PARM( PARM_WATER_LEVEL ) >= 3 )) { RI.fov_x = atan( tan( DEG2RAD( RI.fov_x ) / 2 ) * ( 0.97 + sin( gpGlobals->time * 1.5 ) * 0.03 )) * 2 / (M_PI / 180.0); RI.fov_y = atan( tan( DEG2RAD( RI.fov_y ) / 2 ) * ( 1.03 - sin( gpGlobals->time * 1.5 ) * 0.03 )) * 2 / (M_PI / 180.0); }*/ // build the transformation matrix for the given view angles AngleVectors( RI.viewangles, RI.vforward, RI.vright, RI.vup ); //if( !r_lockfrustum->value ) { VectorCopy( RI.vieworg, RI.cullorigin ); VectorCopy( RI.vforward, RI.cull_vforward ); VectorCopy( RI.vright, RI.cull_vright ); VectorCopy( RI.vup, RI.cull_vup ); } // if( RI.drawOrtho ) // GL_FrustumInitOrtho( &RI.frustum, ov->xLeft, ov->xRight, ov->yTop, ov->yBottom, ov->zNear, ov->zFar ); // else GL_FrustumInitProj( &RI.frustum, 0.0f, R_GetFarClip(), RI.fov_x, RI.fov_y ); // NOTE: we ignore nearplane here (mirrors only) #endif } /* ============= R_SetupProjectionMatrix ============= */ static void R_SetupProjectionMatrix( matrix4x4 m ) { #if 1 double xMin, xMax, yMin, yMax, zNear, zFar; if( RI.drawOrtho ) { ref_overview_t *ov = gEngfuncs.GetOverviewParms(); Matrix4x4_CreateOrtho( m, ov->xLeft, ov->xRight, ov->yTop, ov->yBottom, ov->zNear, ov->zFar ); return; } RI.farClip = R_GetFarClip(); zNear = 4.0f; zFar = max( 256.0f, RI.farClip ); yMax = zNear * tan( RI.fov_y * M_PI / 360.0 ); yMin = -yMax; xMax = zNear * tan( RI.fov_x * M_PI / 360.0 ); xMin = -xMax; Matrix4x4_CreateProjection( m, xMax, xMin, yMax, yMin, zNear, zFar ); #endif } /* ============= R_SetupModelviewMatrix ============= */ static void R_SetupModelviewMatrix( matrix4x4 m ) { #if 1 Matrix4x4_CreateModelview( m ); Matrix4x4_ConcatRotate( m, -RI.viewangles[2], 1, 0, 0 ); Matrix4x4_ConcatRotate( m, -RI.viewangles[0], 0, 1, 0 ); Matrix4x4_ConcatRotate( m, -RI.viewangles[1], 0, 0, 1 ); Matrix4x4_ConcatTranslate( m, -RI.vieworg[0], -RI.vieworg[1], -RI.vieworg[2] ); #endif } /* ============= R_LoadIdentity ============= */ void R_LoadIdentity( void ) { #if 0 if( tr.modelviewIdentity ) return; Matrix4x4_LoadIdentity( RI.objectMatrix ); Matrix4x4_Copy( RI.modelviewMatrix, RI.worldviewMatrix ); pglMatrixMode( GL_MODELVIEW ); GL_LoadMatrix( RI.modelviewMatrix ); tr.modelviewIdentity = true; #endif } /* ============= R_RotateForEntity ============= */ void R_RotateForEntity( cl_entity_t *e ) { #if 0 float scale = 1.0f; if( e == gEngfuncs.GetEntityByIndex( 0 ) ) { R_LoadIdentity(); return; } if( e->model->type != mod_brush && e->curstate.scale > 0.0f ) scale = e->curstate.scale; Matrix4x4_CreateFromEntity( RI.objectMatrix, e->angles, e->origin, scale ); Matrix4x4_ConcatTransforms( RI.modelviewMatrix, RI.worldviewMatrix, RI.objectMatrix ); pglMatrixMode( GL_MODELVIEW ); GL_LoadMatrix( RI.modelviewMatrix ); tr.modelviewIdentity = false; #endif } /* ============= R_TranslateForEntity ============= */ void R_TranslateForEntity( cl_entity_t *e ) { #if 0 float scale = 1.0f; if( e == gEngfuncs.GetEntityByIndex( 0 ) ) { R_LoadIdentity(); return; } if( e->model->type != mod_brush && e->curstate.scale > 0.0f ) scale = e->curstate.scale; Matrix4x4_CreateFromEntity( RI.objectMatrix, vec3_origin, e->origin, scale ); Matrix4x4_ConcatTransforms( RI.modelviewMatrix, RI.worldviewMatrix, RI.objectMatrix ); pglMatrixMode( GL_MODELVIEW ); GL_LoadMatrix( RI.modelviewMatrix ); tr.modelviewIdentity = false; #endif } /* =============== R_FindViewLeaf =============== */ void R_FindViewLeaf( void ) { RI.oldviewleaf = RI.viewleaf; RI.viewleaf = gEngfuncs.Mod_PointInLeaf( RI.pvsorigin, WORLDMODEL->nodes ); } /* =============== R_SetupFrame =============== */ static void R_SetupFrame( void ) { // setup viewplane dist RI.viewplanedist = DotProduct( RI.vieworg, RI.vforward ); // if( !gl_nosort->value ) { // sort translucents entities by rendermode and distance qsort( tr.draw_list->trans_entities, tr.draw_list->num_trans_entities, sizeof( cl_entity_t* ), R_TransEntityCompare ); } // current viewleaf if( RI.drawWorld ) { RI.isSkyVisible = false; // unknown at this moment R_FindViewLeaf(); } // setup twice until globals fully refactored R_SetupFrameQ(); } #if 0 /* ============= R_SetupGL ============= */ void R_SetupGL( qboolean set_gl_state ) { R_SetupModelviewMatrix( RI.worldviewMatrix ); R_SetupProjectionMatrix( RI.projectionMatrix ); Matrix4x4_Concat( RI.worldviewProjectionMatrix, RI.projectionMatrix, RI.worldviewMatrix ); if( !set_gl_state ) return; if( RP_NORMALPASS( )) { int x, x2, y, y2; // set up viewport (main, playersetup) x = floor( RI.viewport[0] * gpGlobals->width / gpGlobals->width ); x2 = ceil(( RI.viewport[0] + RI.viewport[2] ) * gpGlobals->width / gpGlobals->width ); y = floor( gpGlobals->height - RI.viewport[1] * gpGlobals->height / gpGlobals->height ); y2 = ceil( gpGlobals->height - ( RI.viewport[1] + RI.viewport[3] ) * gpGlobals->height / gpGlobals->height ); pglViewport( x, y2, x2 - x, y - y2 ); } else { // envpass, mirrorpass pglViewport( RI.viewport[0], RI.viewport[1], RI.viewport[2], RI.viewport[3] ); } pglMatrixMode( GL_PROJECTION ); GL_LoadMatrix( RI.projectionMatrix ); pglMatrixMode( GL_MODELVIEW ); GL_LoadMatrix( RI.worldviewMatrix ); if( FBitSet( RI.params, RP_CLIPPLANE )) { GLdouble clip[4]; mplane_t *p = &RI.clipPlane; clip[0] = p->normal[0]; clip[1] = p->normal[1]; clip[2] = p->normal[2]; clip[3] = -p->dist; pglClipPlane( GL_CLIP_PLANE0, clip ); pglEnable( GL_CLIP_PLANE0 ); } GL_Cull( GL_FRONT ); pglDisable( GL_BLEND ); pglDisable( GL_ALPHA_TEST ); pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f ); } /* ============= R_EndGL ============= */ static void R_EndGL( void ) { if( RI.params & RP_CLIPPLANE ) pglDisable( GL_CLIP_PLANE0 ); } #endif /* ============= R_RecursiveFindWaterTexture using to find source waterleaf with watertexture to grab fog values from it ============= */ static image_t *R_RecursiveFindWaterTexture( const mnode_t *node, const mnode_t *ignore, qboolean down ) { image_t *tex = NULL; // assure the initial node is not null // we could check it here, but we would rather check it // outside the call to get rid of one additional recursion level Assert( node != NULL ); // ignore solid nodes if( node->contents == CONTENTS_SOLID ) return NULL; if( node->contents < 0 ) { mleaf_t *pleaf; msurface_t **mark; int i, c; // ignore non-liquid leaves if( node->contents != CONTENTS_WATER && node->contents != CONTENTS_LAVA && node->contents != CONTENTS_SLIME ) return NULL; // find texture pleaf = (mleaf_t *)node; mark = pleaf->firstmarksurface; c = pleaf->nummarksurfaces; for( i = 0; i < c; i++, mark++ ) { if( (*mark)->flags & SURF_DRAWTURB && (*mark)->texinfo && (*mark)->texinfo->texture ) return R_GetTexture( (*mark)->texinfo->texture->gl_texturenum ); } // texture not found return NULL; } // this is a regular node // traverse children if( node->children[0] && ( node->children[0] != ignore )) { tex = R_RecursiveFindWaterTexture( node->children[0], node, true ); if( tex ) return tex; } if( node->children[1] && ( node->children[1] != ignore )) { tex = R_RecursiveFindWaterTexture( node->children[1], node, true ); if( tex ) return tex; } // for down recursion, return immediately if( down ) return NULL; // texture not found, step up if any if( node->parent ) return R_RecursiveFindWaterTexture( node->parent, node, false ); // top-level node, bail out return NULL; } /* ============= R_DrawEntitiesOnList ============= */ void R_DrawEntitiesOnList( void ) { int i; //extern int d_aflatcolor; //d_aflatcolor = 0; tr.blend = 1.0f; // GL_CheckForErrors(); //RI.currententity = gEngfuncs.GetEntityByIndex(0); extern void (*d_pdrawspans)(void *); extern void R_PolysetFillSpans8 ( void * ); extern void R_PolysetDrawSpansConstant8_33( void *pspanpackage); extern void R_PolysetDrawSpans8_33( void *pspanpackage); d_pdrawspans = R_PolysetFillSpans8; GL_SetRenderMode(kRenderNormal); // first draw solid entities for( i = 0; i < tr.draw_list->num_solid_entities && !RI.onlyClientDraw; i++ ) { RI.currententity = tr.draw_list->solid_entities[i]; RI.currentmodel = RI.currententity->model; //d_aflatcolor += 500; Assert( RI.currententity != NULL ); Assert( RI.currentmodel != NULL ); switch( RI.currentmodel->type ) { case mod_brush: R_DrawBrushModel( RI.currententity ); break; case mod_alias: //R_DrawAliasModel( RI.currententity ); break; case mod_studio: R_SetUpWorldTransform(); R_DrawStudioModel( RI.currententity ); #if 0 // gradient debug (for colormap testing) {finalvert_t fv[3]; void R_AliasSetUpTransform (void); extern void (*d_pdrawspans)(void *); extern void R_PolysetFillSpans8 ( void * ); d_pdrawspans = R_PolysetFillSpans8; //RI.currententity = gEngfuncs.GetEntityByIndex(0); R_AliasSetUpTransform(); image_t *image = R_GetTexture(GL_LoadTexture("gfx/env/desertbk", NULL, 0, 0)); r_affinetridesc.pskin = image->pixels[0]; r_affinetridesc.skinwidth = image->width; r_affinetridesc.skinheight = image->height; R_SetupFinalVert( &fv[0], 0, -50, 50, 31 << 8, 0, 0); R_SetupFinalVert( &fv[1], 0, 50, 50, 0 << 8, image->width, 0); R_SetupFinalVert( &fv[2], 0, 0, 0, 0 << 8, image->width/2, image->height); R_RenderTriangle( &fv[0], &fv[1], &fv[2] ); } #endif break; default: break; } } // GL_CheckForErrors(); // quake-specific feature // R_DrawAlphaTextureChains(); // GL_CheckForErrors(); R_SetUpWorldTransform(); // draw sprites seperately, because of alpha blending for( i = 0; i < tr.draw_list->num_solid_entities && !RI.onlyClientDraw; i++ ) { RI.currententity = tr.draw_list->solid_entities[i]; RI.currentmodel = RI.currententity->model; Assert( RI.currententity != NULL ); Assert( RI.currentmodel != NULL ); switch( RI.currentmodel->type ) { case mod_sprite: R_DrawSpriteModel( RI.currententity ); break; } } // GL_CheckForErrors(); if( !RI.onlyClientDraw ) { gEngfuncs.CL_DrawEFX( tr.frametime, false ); } // GL_CheckForErrors(); if( RI.drawWorld ) gEngfuncs.pfnDrawNormalTriangles(); // GL_CheckForErrors(); d_pdrawspans = R_PolysetDrawSpans8_33; // then draw translucent entities for( i = 0; i < tr.draw_list->num_trans_entities && !RI.onlyClientDraw; i++ ) { RI.currententity = tr.draw_list->trans_entities[i]; RI.currentmodel = RI.currententity->model; // handle studiomodels with custom rendermodes on texture if( RI.currententity->curstate.rendermode != kRenderNormal ) tr.blend = CL_FxBlend( RI.currententity ) / 255.0f; else tr.blend = 1.0f; // draw as solid but sorted by distance if( tr.blend <= 0.0f ) continue; Assert( RI.currententity != NULL ); Assert( RI.currentmodel != NULL ); switch( RI.currentmodel->type ) { case mod_brush: R_DrawBrushModel( RI.currententity ); break; case mod_alias: //R_DrawAliasModel( RI.currententity ); break; case mod_studio: R_SetUpWorldTransform(); R_DrawStudioModel( RI.currententity ); break; case mod_sprite: R_SetUpWorldTransform(); R_DrawSpriteModel( RI.currententity ); break; default: break; } } // GL_CheckForErrors(); if( RI.drawWorld ) { // pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE ); gEngfuncs.pfnDrawTransparentTriangles (); } // GL_CheckForErrors(); if( !RI.onlyClientDraw ) { R_AllowFog( false ); gEngfuncs.CL_DrawEFX( tr.frametime, true ); R_AllowFog( true ); } //GL_CheckForErrors(); // pglDisable( GL_BLEND ); // Trinity Render issues GL_SetRenderMode(kRenderNormal); R_SetUpWorldTransform(); if( !RI.onlyClientDraw ) R_DrawViewModel(); gEngfuncs.CL_ExtraUpdate(); //GL_CheckForErrors(); } #if 1 qboolean insubmodel; /* ============= R_BmodelCheckBBox ============= */ int R_BmodelCheckBBox (float *minmaxs) { int i, *pindex, clipflags; vec3_t acceptpt, rejectpt; float d; clipflags = 0; for (i=0 ; i<4 ; i++) { // generate accept and reject points // FIXME: do with fast look-ups or integer tests based on the sign bit // of the floating point values pindex = qfrustum.pfrustum_indexes[i]; rejectpt[0] = minmaxs[pindex[0]]; rejectpt[1] = minmaxs[pindex[1]]; rejectpt[2] = minmaxs[pindex[2]]; d = DotProduct (rejectpt, qfrustum.view_clipplanes[i].normal); d -= qfrustum.view_clipplanes[i].dist; if (d <= 0) return BMODEL_FULLY_CLIPPED; acceptpt[0] = minmaxs[pindex[3+0]]; acceptpt[1] = minmaxs[pindex[3+1]]; acceptpt[2] = minmaxs[pindex[3+2]]; d = DotProduct (acceptpt, qfrustum.view_clipplanes[i].normal); d -= qfrustum.view_clipplanes[i].dist; if (d <= 0) clipflags |= (1<nodes; while (1) { if (node->visframe != tr.visframecount) return NULL; // not visible at all if (node->contents < 0) { if (node->contents != CONTENTS_SOLID) return node; // we've reached a non-solid leaf, so it's // visible and not BSP clipped return NULL; // in solid, so not visible } splitplane = node->plane; sides = BOX_ON_PLANE_SIDE (mins, maxs, splitplane); if (sides == 3) return node; // this is the splitter // not split yet; recurse down the contacted side if (sides & 1) node = node->children[0]; else node = node->children[1]; } } /* ============= RotatedBBox Returns an axially aligned box that contains the input box at the given rotation ============= */ void RotatedBBox (vec3_t mins, vec3_t maxs, vec3_t angles, vec3_t tmins, vec3_t tmaxs) { vec3_t tmp, v; int i, j; vec3_t forward, right, up; if (!angles[0] && !angles[1] && !angles[2]) { VectorCopy (mins, tmins); VectorCopy (maxs, tmaxs); return; } for (i=0 ; i<3 ; i++) { tmins[i] = 99999; tmaxs[i] = -99999; } AngleVectors (angles, forward, right, up); for ( i = 0; i < 8; i++ ) { if ( i & 1 ) tmp[0] = mins[0]; else tmp[0] = maxs[0]; if ( i & 2 ) tmp[1] = mins[1]; else tmp[1] = maxs[1]; if ( i & 4 ) tmp[2] = mins[2]; else tmp[2] = maxs[2]; VectorScale (forward, tmp[0], v); VectorMA (v, -tmp[1], right, v); VectorMA (v, tmp[2], up, v); for (j=0 ; j<3 ; j++) { if (v[j] < tmins[j]) tmins[j] = v[j]; if (v[j] > tmaxs[j]) tmaxs[j] = v[j]; } } } /* ============= R_DrawBEntitiesOnList ============= */ void R_DrawBEntitiesOnList (void) { int i, clipflags; vec3_t oldorigin; vec3_t mins, maxs; float minmaxs[6]; mnode_t *topnode; VectorCopy (tr.modelorg, oldorigin); insubmodel = true; //r_dlightframecount = r_framecount; for( i = 0; i < tr.draw_list->num_edge_entities && !RI.onlyClientDraw; i++ ) { int k; RI.currententity = tr.draw_list->edge_entities[i]; RI.currentmodel = RI.currententity->model; if (!RI.currentmodel) continue; if (RI.currentmodel->nummodelsurfaces == 0) continue; // clip brush only //if ( currententity->flags & RF_BEAM ) //continue; if (RI.currentmodel->type != mod_brush) continue; // see if the bounding box lets us trivially reject, also sets // trivial accept status RotatedBBox (RI.currentmodel->mins, RI.currentmodel->maxs, RI.currententity->angles, mins, maxs); #if 0 mins[0] = mins[0] - 100; mins[1] = mins[1] - 100; mins[2] = mins[2] - 100; maxs[0] = maxs[0] + 100; maxs[1] = maxs[1] + 100; maxs[2] = maxs[2] + 100; #endif VectorAdd (mins, RI.currententity->origin, minmaxs); VectorAdd (maxs, RI.currententity->origin, (minmaxs+3)); clipflags = R_BmodelCheckBBox (minmaxs); if (clipflags == BMODEL_FULLY_CLIPPED) continue; // off the edge of the screen //clipflags = 0; topnode = R_FindTopnode (minmaxs, minmaxs+3); if (!topnode) continue; // no part in a visible leaf VectorCopy (RI.currententity->origin, r_entorigin); VectorSubtract (RI.vieworg, r_entorigin, tr.modelorg); //VectorSubtract (r_origin, RI.currententity->origin, modelorg); r_pcurrentvertbase = RI.currentmodel->vertexes; // FIXME: stop transforming twice R_RotateBmodel (); // calculate dynamic lighting for bmodel // this will reset RI.currententity, do we need this? //R_PushDlights (); /*if (clmodel->firstmodelsurface != 0) { for (k=0 ; knodes + clmodel->firstnode); } }*/ // calculate dynamic lighting for bmodel for( k = 0; k < MAX_DLIGHTS; k++ ) { dlight_t *l = gEngfuncs.GetDynamicLight( k ); vec3_t origin_l, oldorigin; if( l->die < gpGlobals->time || !l->radius ) continue; VectorCopy( l->origin, oldorigin ); // save lightorigin Matrix4x4_CreateFromEntity( RI.objectMatrix, RI.currententity->angles, RI.currententity->origin, 1 ); Matrix4x4_VectorITransform( RI.objectMatrix, l->origin, origin_l ); VectorCopy( origin_l, l->origin ); // move light in bmodel space R_MarkLights( l, 1<nodes + RI.currentmodel->hulls[0].firstclipnode ); VectorCopy( oldorigin, l->origin ); // restore lightorigin*/ //R_MarkLights( l, 1<nodes + RI.currentmodel->hulls[0].firstclipnode ); } // RI.currentmodel = tr.draw_list->solid_entities[i]->model; // RI.currententity = tr.draw_list->solid_entities[i]; RI.currententity->topnode = topnode; //ASSERT( RI.currentmodel == tr.draw_list->solid_entities[i]->model ); if (topnode->contents >= 0) { // not a leaf; has to be clipped to the world BSP r_clipflags = clipflags; R_DrawSolidClippedSubmodelPolygons (RI.currentmodel, topnode); } else { // falls entirely in one leaf, so we just put all the // edges in the edge list and let 1/z sorting handle // drawing order //ASSERT( RI.currentmodel == tr.draw_list->solid_entities[i]->model ); R_DrawSubmodelPolygons (RI.currentmodel, clipflags, topnode); } RI.currententity->topnode = NULL; // put back world rotation and frustum clipping // FIXME: R_RotateBmodel should just work off base_vxx VectorCopy (RI.base_vpn, RI.vforward); VectorCopy (RI.base_vup, RI.vup); VectorCopy (RI.base_vright, RI.vright); VectorCopy (oldorigin, tr.modelorg); R_TransformFrustum (); } insubmodel = false; } extern qboolean alphaspans; /* ============= R_DrawBEntitiesOnList ============= */ void R_DrawBrushModel(cl_entity_t *pent) { int i, clipflags; vec3_t oldorigin; vec3_t mins, maxs; float minmaxs[6]; mnode_t *topnode; int k; edge_t ledges[NUMSTACKEDGES + ((CACHE_SIZE - 1) / sizeof(edge_t)) + 1]; surf_t lsurfs[NUMSTACKSURFACES + ((CACHE_SIZE - 1) / sizeof(surf_t)) + 1]; if ( !RI.drawWorld ) return; if (auxedges) { r_edges = auxedges; } else { r_edges = (edge_t *) (((long)&ledges[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1)); } if (r_surfsonstack) { surfaces = (surf_t *) (((long)&lsurfs[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1)); surf_max = &surfaces[r_cnumsurfs]; // surface 0 doesn't really exist; it's just a dummy because index 0 // is used to indicate no edge attached to surface memset(&surfaces[0], 0, sizeof(surf_t)); surfaces--; R_SurfacePatch (); } R_BeginEdgeFrame(); VectorCopy (tr.modelorg, oldorigin); insubmodel = true; //r_dlightframecount = r_framecount; if (!RI.currentmodel) return; if (RI.currentmodel->nummodelsurfaces == 0) return; // clip brush only //if ( currententity->flags & RF_BEAM ) //continue; if (RI.currentmodel->type != mod_brush) return; // see if the bounding box lets us trivially reject, also sets // trivial accept status RotatedBBox (RI.currentmodel->mins, RI.currentmodel->maxs, RI.currententity->angles, mins, maxs); #if 0 mins[0] = mins[0] - 100; mins[1] = mins[1] - 100; mins[2] = mins[2] - 100; maxs[0] = maxs[0] + 100; maxs[1] = maxs[1] + 100; maxs[2] = maxs[2] + 100; #endif VectorAdd (mins, RI.currententity->origin, minmaxs); VectorAdd (maxs, RI.currententity->origin, (minmaxs+3)); clipflags = R_BmodelCheckBBox (minmaxs); if (clipflags == BMODEL_FULLY_CLIPPED) return; // off the edge of the screen //clipflags = 0; topnode = R_FindTopnode (minmaxs, minmaxs+3); if (!topnode) return; // no part in a visible leaf alphaspans = true; VectorCopy (RI.currententity->origin, r_entorigin); VectorSubtract (RI.vieworg, r_entorigin, tr.modelorg); //VectorSubtract (r_origin, RI.currententity->origin, modelorg); r_pcurrentvertbase = RI.currentmodel->vertexes; // FIXME: stop transforming twice R_RotateBmodel (); // calculate dynamic lighting for bmodel // this will reset RI.currententity, do we need this? //R_PushDlights (); /*if (clmodel->firstmodelsurface != 0) { for (k=0 ; knodes + clmodel->firstnode); } }*/ // calculate dynamic lighting for bmodel for( k = 0; k < MAX_DLIGHTS; k++ ) { dlight_t *l = gEngfuncs.GetDynamicLight( k ); vec3_t origin_l, oldorigin; if( l->die < gpGlobals->time || !l->radius ) continue; VectorCopy( l->origin, oldorigin ); // save lightorigin Matrix4x4_CreateFromEntity( RI.objectMatrix, RI.currententity->angles, RI.currententity->origin, 1 ); Matrix4x4_VectorITransform( RI.objectMatrix, l->origin, origin_l ); tr.modelviewIdentity = false; VectorCopy( origin_l, l->origin ); // move light in bmodel space R_MarkLights( l, 1<nodes + RI.currentmodel->hulls[0].firstclipnode ); VectorCopy( oldorigin, l->origin ); // restore lightorigin*/ //R_MarkLights( l, 1<nodes + RI.currentmodel->hulls[0].firstclipnode ); } // RI.currentmodel = tr.draw_list->solid_entities[i]->model; // RI.currententity = tr.draw_list->solid_entities[i]; RI.currententity->topnode = topnode; //ASSERT( RI.currentmodel == tr.draw_list->solid_entities[i]->model ); if (topnode->contents >= 0) { // not a leaf; has to be clipped to the world BSP r_clipflags = clipflags; R_DrawSolidClippedSubmodelPolygons (RI.currentmodel, topnode); } else { // falls entirely in one leaf, so we just put all the // edges in the edge list and let 1/z sorting handle // drawing order //ASSERT( RI.currentmodel == tr.draw_list->solid_entities[i]->model ); R_DrawSubmodelPolygons (RI.currentmodel, clipflags, topnode); } RI.currententity->topnode = NULL; // put back world rotation and frustum clipping // FIXME: R_RotateBmodel should just work off base_vxx VectorCopy (RI.base_vpn, RI.vforward); VectorCopy (RI.base_vup, RI.vup); VectorCopy (RI.base_vright, RI.vright); VectorCopy (oldorigin, tr.modelorg); R_TransformFrustum (); insubmodel = false; R_ScanEdges(); alphaspans = false; } #endif /* ================ R_EdgeDrawing ================ */ void R_EdgeDrawing (void) { edge_t ledges[NUMSTACKEDGES + ((CACHE_SIZE - 1) / sizeof(edge_t)) + 1]; surf_t lsurfs[NUMSTACKSURFACES + ((CACHE_SIZE - 1) / sizeof(surf_t)) + 1]; if ( !RI.drawWorld ) return; if (auxedges) { r_edges = auxedges; } else { r_edges = (edge_t *) (((long)&ledges[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1)); } if (r_surfsonstack) { surfaces = (surf_t *) (((long)&lsurfs[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1)); surf_max = &surfaces[r_cnumsurfs]; // surface 0 doesn't really exist; it's just a dummy because index 0 // is used to indicate no edge attached to surface memset(&surfaces[0], 0, sizeof(surf_t)); surfaces--; R_SurfacePatch (); } R_BeginEdgeFrame (); // this will prepare edges R_RenderWorld (); // move brushes to separate list to merge with edges? R_DrawBEntitiesOnList (); // display all edges R_ScanEdges (); } #if 0 /* =============== R_MarkLeaves Mark the leaves and nodes that are in the PVS for the current leaf =============== */ void R_MarkLeaves( void ) { qboolean novis = false; qboolean force = false; mleaf_t *leaf = NULL; mnode_t *node; vec3_t test; int i; if( !RI.drawWorld ) return; /*if( FBitSet( r_novis->flags, FCVAR_CHANGED ) || tr.fResetVis ) { // force recalc viewleaf ClearBits( r_novis->flags, FCVAR_CHANGED ); tr.fResetVis = false; RI.viewleaf = NULL; }*/ VectorCopy( RI.pvsorigin, test ); if( RI.viewleaf != NULL ) { // merge two leafs that can be a crossed-line contents if( RI.viewleaf->contents == CONTENTS_EMPTY ) { VectorSet( test, RI.pvsorigin[0], RI.pvsorigin[1], RI.pvsorigin[2] - 16.0f ); leaf = gEngfuncs.Mod_PointInLeaf( test, WORLDMODEL->nodes ); } else { VectorSet( test, RI.pvsorigin[0], RI.pvsorigin[1], RI.pvsorigin[2] + 16.0f ); leaf = gEngfuncs.Mod_PointInLeaf( test, WORLDMODEL->nodes ); } if(( leaf->contents != CONTENTS_SOLID ) && ( RI.viewleaf != leaf )) force = true; } if( RI.viewleaf == RI.oldviewleaf && RI.viewleaf != NULL && !force ) return; // development aid to let you run around // and see exactly where the pvs ends //if( sw_lockpvs->value ) return; RI.oldviewleaf = RI.viewleaf; tr.visframecount++; if( RI.drawOrtho || !RI.viewleaf || !WORLDMODEL->visdata ) novis = true; gEngfuncs.R_FatPVS( RI.pvsorigin, REFPVS_RADIUS, RI.visbytes, FBitSet( RI.params, RP_OLDVIEWLEAF ), novis ); if( force && !novis ) gEngfuncs.R_FatPVS( test, REFPVS_RADIUS, RI.visbytes, true, novis ); for( i = 0; i < WORLDMODEL->numleafs; i++ ) { if( CHECKVISBIT( RI.visbytes, i )) { node = (mnode_t *)&WORLDMODEL->leafs[i+1]; do { if( node->visframe == tr.visframecount ) break; node->visframe = tr.visframecount; node = node->parent; } while( node ); } } } #else /* =============== R_MarkLeaves =============== */ void R_MarkLeaves (void) { byte *vis; mnode_t *node; int i; if (r_oldviewcluster == r_viewcluster && !r_novis->value && r_viewcluster != -1) return; tr.visframecount++; r_oldviewcluster = r_viewcluster; gEngfuncs.R_FatPVS( RI.pvsorigin, REFPVS_RADIUS, RI.visbytes, FBitSet( RI.params, RP_OLDVIEWLEAF ), false ); vis = RI.visbytes; for (i = 0; i < WORLDMODEL->numleafs; i++) { if (vis[i>>3] & (1<<(i&7))) { node = (mnode_t *) &WORLDMODEL->leafs[i+1]; do { if (node->visframe == tr.visframecount) break; node->visframe = tr.visframecount; node = node->parent; } while (node); } } } #endif /* ================ R_RenderScene R_SetupRefParams must be called right before ================ */ void GAME_EXPORT R_RenderScene( void ) { if( !WORLDMODEL && RI.drawWorld ) gEngfuncs.Host_Error( "R_RenderView: NULL worldmodel\n" ); // frametime is valid only for normal pass if( RP_NORMALPASS( )) tr.frametime = gpGlobals->time - gpGlobals->oldtime; else tr.frametime = 0.0; // begin a new frame tr.framecount++; if( tr.map_unload ) { D_FlushCaches(); tr.map_unload = false; } R_SetupFrustum(); R_SetupFrame(); R_PushDlights(); R_SetupModelviewMatrix( RI.worldviewMatrix ); R_SetupProjectionMatrix( RI.projectionMatrix ); Matrix4x4_Concat( RI.worldviewProjectionMatrix, RI.projectionMatrix, RI.worldviewMatrix ); tr.modelviewIdentity = true; // R_SetupGL( true ); //R_Clear( ~0 ); R_MarkLeaves(); // R_PushDlights (r_worldmodel); ?? //R_DrawWorld(); R_EdgeDrawing (); gEngfuncs.CL_ExtraUpdate (); // don't let sound get messed up if going slow R_DrawEntitiesOnList(); // R_DrawWaterSurfaces(); // R_EndGL(); } /* =============== R_DoResetGamma gamma will be reset for some type of screenshots =============== */ qboolean R_DoResetGamma( void ) { // FIXME: this looks ugly. apply the backward gamma changes to the output image return false; #if 0 switch( cls.scrshot_action ) { case scrshot_normal: if( CL_IsDevOverviewMode( )) return true; return false; case scrshot_snapshot: if( CL_IsDevOverviewMode( )) return true; return false; case scrshot_plaque: case scrshot_savegame: case scrshot_envshot: case scrshot_skyshot: case scrshot_mapshot: return true; default: return false; } #endif } /* =============== R_BeginFrame =============== */ void GAME_EXPORT R_BeginFrame( qboolean clearScene ) { if( R_DoResetGamma( )) { gEngfuncs.BuildGammaTable( 1.8f, 0.0f ); // glConfig.softwareGammaUpdate = true; // GL_RebuildLightmaps(); // glConfig.softwareGammaUpdate = false; D_FlushCaches( ); // next frame will be restored gamma SetBits( vid_brightness->flags, FCVAR_CHANGED ); SetBits( vid_gamma->flags, FCVAR_CHANGED ); } else if( FBitSet( vid_gamma->flags, FCVAR_CHANGED ) || FBitSet( vid_brightness->flags, FCVAR_CHANGED )) { gEngfuncs.BuildGammaTable( vid_gamma->value, vid_brightness->value ); //glConfig.softwareGammaUpdate = true; // GL_RebuildLightmaps(); D_FlushCaches( ); //glConfig.softwareGammaUpdate = false; // next frame will be restored gamma ClearBits( vid_brightness->flags, FCVAR_CHANGED ); ClearBits( vid_gamma->flags, FCVAR_CHANGED ); } R_Set2DMode( true ); // draw buffer stuff //pglDrawBuffer( GL_BACK ); // update texture parameters //if( FBitSet( gl_texture_nearest->flags|gl_lightmap_nearest->flags|gl_texture_anisotropy->flags|gl_texture_lodbias->flags, FCVAR_CHANGED )) //R_SetTextureParameters(); gEngfuncs.CL_ExtraUpdate (); } /* =============== R_SetupRefParams set initial params for renderer =============== */ void R_SetupRefParams( const ref_viewpass_t *rvp ) { RI.params = RP_NONE; RI.drawWorld = FBitSet( rvp->flags, RF_DRAW_WORLD ); RI.onlyClientDraw = FBitSet( rvp->flags, RF_ONLY_CLIENTDRAW ); if( !FBitSet( rvp->flags, RF_DRAW_CUBEMAP )) RI.drawOrtho = FBitSet( rvp->flags, RF_DRAW_OVERVIEW ); else RI.drawOrtho = false; // setup viewport RI.viewport[0] = rvp->viewport[0]; RI.viewport[1] = rvp->viewport[1]; RI.viewport[2] = rvp->viewport[2]; RI.viewport[3] = rvp->viewport[3]; // calc FOV RI.fov_x = rvp->fov_x; RI.fov_y = rvp->fov_y; VectorCopy( rvp->vieworigin, RI.vieworg ); VectorCopy( rvp->viewangles, RI.viewangles ); VectorCopy( rvp->vieworigin, RI.pvsorigin ); } /* =============== R_RenderFrame =============== */ int GAME_EXPORT R_RenderFrame( const ref_viewpass_t *rvp ) { if( r_norefresh->value ) return 1; // prevent cache overrun if( gpGlobals->height > vid.height || gpGlobals->width > vid.width ) return 1; // setup the initial render params R_SetupRefParams( rvp ); // completely override rendering if( gEngfuncs.drawFuncs->GL_RenderFrame != NULL ) { tr.fCustomRendering = true; if( gEngfuncs.drawFuncs->GL_RenderFrame( rvp )) { //R_GatherPlayerLight(); tr.realframecount++; tr.fResetVis = true; return 1; } } tr.fCustomRendering = false; if( !RI.onlyClientDraw ) R_RunViewmodelEvents(); tr.realframecount++; // right called after viewmodel events R_RenderScene(); return 1; } /* =============== R_EndFrame =============== */ void GAME_EXPORT R_EndFrame( void ) { // flush any remaining 2D bits R_Set2DMode( false ); // blit pixels with GL until engine supports REF_SOFT context R_BlitScreen(); } /* =============== R_DrawCubemapView =============== */ void R_DrawCubemapView( const vec3_t origin, const vec3_t angles, int size ) { ref_viewpass_t rvp; // basic params rvp.flags = rvp.viewentity = 0; SetBits( rvp.flags, RF_DRAW_WORLD ); SetBits( rvp.flags, RF_DRAW_CUBEMAP ); rvp.viewport[0] = rvp.viewport[1] = 0; rvp.viewport[2] = rvp.viewport[3] = size; rvp.fov_x = rvp.fov_y = 90.0f; // this is a final fov value // setup origin & angles VectorCopy( origin, rvp.vieworigin ); VectorCopy( angles, rvp.viewangles ); R_RenderFrame( &rvp ); RI.viewleaf = NULL; // force markleafs next frame } /* =============== R_NewMap =============== */ void GAME_EXPORT R_NewMap (void) { int i; r_viewcluster = -1; model_t *world = WORLDMODEL; tr.draw_list->num_solid_entities = 0; tr.draw_list->num_trans_entities = 0; tr.draw_list->num_beam_entities = 0; tr.draw_list->num_edge_entities = 0; R_ClearDecals(); // clear all level decals R_StudioResetPlayerModels(); r_cnumsurfs = sw_maxsurfs->value; if (r_cnumsurfs <= MINSURFACES) r_cnumsurfs = MINSURFACES; if (r_cnumsurfs > NUMSTACKSURFACES) { surfaces = Mem_Calloc (r_temppool, r_cnumsurfs * sizeof(surf_t)); surface_p = surfaces; surf_max = &surfaces[r_cnumsurfs]; r_surfsonstack = false; // surface 0 doesn't really exist; it's just a dummy because index 0 // is used to indicate no edge attached to surface surfaces--; R_SurfacePatch (); } else { r_surfsonstack = true; } r_numallocatededges = sw_maxedges->value; if (r_numallocatededges < MINEDGES) r_numallocatededges = MINEDGES; if (r_numallocatededges <= NUMSTACKEDGES) { auxedges = NULL; } else { auxedges = malloc (r_numallocatededges * sizeof(edge_t)); } // clear out efrags in case the level hasn't been reloaded for( i = 0; i < world->numleafs; i++ ) world->leafs[i+1].efrags = NULL; tr.sample_size = gEngfuncs.Mod_SampleSizeForFace( &world->surfaces[0] ); for( i = 1; i < world->numsurfaces; i++ ) { int sample_size = gEngfuncs.Mod_SampleSizeForFace( &world->surfaces[i] ); if( sample_size != tr.sample_size ) { tr.sample_size = -1; break; } } tr.sample_bits = -1; if( tr.sample_size != -1 ) { uint sample_pot; tr.sample_bits = 0; for( sample_pot = 1; sample_pot < tr.sample_size; sample_pot <<= 1, tr.sample_bits++ ); } gEngfuncs.Con_Printf("Map sample size is %d\n", tr.sample_size ); } /* ================ R_InitTurb ================ */ void R_InitTurb (void) { int i; for (i=0 ; i<1280 ; i++) { sintable[i] = AMP + sin(i*3.14159*2/CYCLE)*AMP; intsintable[i] = AMP2 + sin(i*3.14159*2/CYCLE)*AMP2; // AMP2, not 20 blanktable[i] = 0; //PGM } } qboolean GAME_EXPORT R_Init() { gl_emboss_scale = gEngfuncs.Cvar_Get( "gl_emboss_scale", "0", FCVAR_ARCHIVE|FCVAR_LATCH, "fake bumpmapping scale" ); vid_gamma = gEngfuncs.pfnGetCvarPointer( "gamma", 0 ); r_norefresh = gEngfuncs.Cvar_Get( "r_norefresh", "0", 0, "disable 3D rendering (use with caution)" ); r_drawentities = gEngfuncs.Cvar_Get( "r_drawentities", "1", FCVAR_CHEAT, "render entities" ); vid_brightness = gEngfuncs.pfnGetCvarPointer( "brightness", 0 ); r_fullbright = gEngfuncs.Cvar_Get( "r_fullbright", "0", FCVAR_CHEAT, "disable lightmaps, get fullbright for entities" ); sw_mipcap = gEngfuncs.Cvar_Get( "r_fullbright", "0", FCVAR_CHEAT, "disable lightmaps, get fullbright for entities" ); r_dynamic = gEngfuncs.Cvar_Get( "r_dynamic", "1", FCVAR_ARCHIVE, "allow dynamic lighting (dlights, lightstyles)" ); r_lightmap = gEngfuncs.Cvar_Get( "r_lightmap", "0", FCVAR_CHEAT, "lightmap debugging tool" ); // sw_aliasstats = ri.Cvar_Get ("sw_polymodelstats", "0", 0); // sw_allow_modex = ri.Cvar_Get( "sw_allow_modex", "1", CVAR_ARCHIVE ); sw_clearcolor = gEngfuncs.Cvar_Get ("sw_clearcolor", "48999", 0, "screen clear color"); sw_drawflat = gEngfuncs.Cvar_Get ("sw_drawflat", "0", 0, ""); sw_draworder = gEngfuncs.Cvar_Get ("sw_draworder", "0", 0, ""); sw_maxedges = gEngfuncs.Cvar_Get ("sw_maxedges", "32", 0, ""); sw_maxsurfs = gEngfuncs.Cvar_Get ("sw_maxsurfs", "0", 0, ""); sw_mipscale = gEngfuncs.Cvar_Get ("sw_mipscale", "1", 0, ""); sw_reportedgeout = gEngfuncs.Cvar_Get ("sw_reportedgeout", "0", 0, ""); sw_reportsurfout = gEngfuncs.Cvar_Get ("sw_reportsurfout", "0", 0, ""); sw_stipplealpha = gEngfuncs.Cvar_Get( "sw_stipplealpha", "1", FCVAR_ARCHIVE, "" ); sw_surfcacheoverride = gEngfuncs.Cvar_Get ("sw_surfcacheoverride", "0", 0, ""); sw_waterwarp = gEngfuncs.Cvar_Get ("sw_waterwarp", "1", 0, ""); sw_notransbrushes = gEngfuncs.Cvar_Get( "sw_notransbrushes", "0", FCVAR_ARCHIVE, "do not apply transparency to water/glasses (faster)"); sw_noalphabrushes = gEngfuncs.Cvar_Get( "sw_noalphabrushes", "0", FCVAR_ARCHIVE, "do not draw brush holes (faster)"); r_traceglow = gEngfuncs.Cvar_Get( "r_traceglow", "1", FCVAR_ARCHIVE, "cull flares behind models" ); #ifndef DISABLE_TEXFILTER sw_texfilt = gEngfuncs.Cvar_Get ("sw_texfilt", "0", 0, "texture dither"); #endif //r_lefthand = ri.Cvar_Get( "hand", "0", FCVAR_USERINFO | FCVAR_ARCHIVE ); // r_speeds = ri.Cvar_Get ("r_speeds", "0", 0); r_decals = gEngfuncs.pfnGetCvarPointer( "r_decals", 0 ); //r_drawworld = ri.Cvar_Get ("r_drawworld", "1", 0); //r_dspeeds = ri.Cvar_Get ("r_dspeeds", "0", 0); // r_lightlevel = ri.Cvar_Get ("r_lightlevel", "0", 0); //r_lerpmodels = ri.Cvar_Get( "r_lerpmodels", "1", 0 ); r_novis = gEngfuncs.Cvar_Get( "r_novis", "0", 0, "" ); tracerred = gEngfuncs.Cvar_Get( "tracerred", "0.8", 0, "tracer red component weight ( 0 - 1.0 )" ); tracergreen = gEngfuncs.Cvar_Get( "tracergreen", "0.8", 0, "tracer green component weight ( 0 - 1.0 )" ); tracerblue = gEngfuncs.Cvar_Get( "tracerblue", "0.4", 0, "tracer blue component weight ( 0 - 1.0 )" ); traceralpha = gEngfuncs.Cvar_Get( "traceralpha", "0.5", 0, "tracer alpha amount ( 0 - 1.0 )" ); // create the window and set up the context r_temppool = Mem_AllocPool( "ref_sw zone" ); if( !gEngfuncs.R_Init_Video( REF_SOFTWARE )) // request GL context { gEngfuncs.R_Free_Video(); gEngfuncs.Host_Error( "Can't initialize video subsystem\nProbably driver was not installed" ); return false; } R_InitBlit(); R_InitImages(); // init draw stack tr.draw_list = &tr.draw_stack[0]; tr.draw_stack_pos = 0; qfrustum.view_clipplanes[0].leftedge = true; qfrustum.view_clipplanes[1].rightedge = true; qfrustum.view_clipplanes[1].leftedge = qfrustum.view_clipplanes[2].leftedge =qfrustum.view_clipplanes[3].leftedge = false; qfrustum.view_clipplanes[0].rightedge = qfrustum.view_clipplanes[2].rightedge = qfrustum.view_clipplanes[3].rightedge = false; R_StudioInit(); R_SpriteInit(); R_InitTurb(); return true; } void GAME_EXPORT R_Shutdown() { R_ShutdownImages(); gEngfuncs.R_Free_Video(); } /* =============== CL_FxBlend =============== */ int CL_FxBlend( cl_entity_t *e ) { int blend = 0; float offset, dist; vec3_t tmp; offset = ((int)e->index ) * 363.0f; // Use ent index to de-sync these fx switch( e->curstate.renderfx ) { case kRenderFxPulseSlowWide: blend = e->curstate.renderamt + 0x40 * sin( gpGlobals->time * 2 + offset ); break; case kRenderFxPulseFastWide: blend = e->curstate.renderamt + 0x40 * sin( gpGlobals->time * 8 + offset ); break; case kRenderFxPulseSlow: blend = e->curstate.renderamt + 0x10 * sin( gpGlobals->time * 2 + offset ); break; case kRenderFxPulseFast: blend = e->curstate.renderamt + 0x10 * sin( gpGlobals->time * 8 + offset ); break; case kRenderFxFadeSlow: if( RP_NORMALPASS( )) { if( e->curstate.renderamt > 0 ) e->curstate.renderamt -= 1; else e->curstate.renderamt = 0; } blend = e->curstate.renderamt; break; case kRenderFxFadeFast: if( RP_NORMALPASS( )) { if( e->curstate.renderamt > 3 ) e->curstate.renderamt -= 4; else e->curstate.renderamt = 0; } blend = e->curstate.renderamt; break; case kRenderFxSolidSlow: if( RP_NORMALPASS( )) { if( e->curstate.renderamt < 255 ) e->curstate.renderamt += 1; else e->curstate.renderamt = 255; } blend = e->curstate.renderamt; break; case kRenderFxSolidFast: if( RP_NORMALPASS( )) { if( e->curstate.renderamt < 252 ) e->curstate.renderamt += 4; else e->curstate.renderamt = 255; } blend = e->curstate.renderamt; break; case kRenderFxStrobeSlow: blend = 20 * sin( gpGlobals->time * 4 + offset ); if( blend < 0 ) blend = 0; else blend = e->curstate.renderamt; break; case kRenderFxStrobeFast: blend = 20 * sin( gpGlobals->time * 16 + offset ); if( blend < 0 ) blend = 0; else blend = e->curstate.renderamt; break; case kRenderFxStrobeFaster: blend = 20 * sin( gpGlobals->time * 36 + offset ); if( blend < 0 ) blend = 0; else blend = e->curstate.renderamt; break; case kRenderFxFlickerSlow: blend = 20 * (sin( gpGlobals->time * 2 ) + sin( gpGlobals->time * 17 + offset )); if( blend < 0 ) blend = 0; else blend = e->curstate.renderamt; break; case kRenderFxFlickerFast: blend = 20 * (sin( gpGlobals->time * 16 ) + sin( gpGlobals->time * 23 + offset )); if( blend < 0 ) blend = 0; else blend = e->curstate.renderamt; break; case kRenderFxHologram: case kRenderFxDistort: VectorCopy( e->origin, tmp ); VectorSubtract( tmp, RI.vieworg, tmp ); dist = DotProduct( tmp, RI.vforward ); // turn off distance fade if( e->curstate.renderfx == kRenderFxDistort ) dist = 1; if( dist <= 0 ) { blend = 0; } else { e->curstate.renderamt = 180; if( dist <= 100 ) blend = e->curstate.renderamt; else blend = (int) ((1.0f - ( dist - 100 ) * ( 1.0f / 400.0f )) * e->curstate.renderamt ); blend += gEngfuncs.COM_RandomLong( -32, 31 ); } break; default: blend = e->curstate.renderamt; break; } blend = bound( 0, blend, 255 ); return blend; }