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1560 lines
34 KiB
1560 lines
34 KiB
/* |
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gl_rmain.c - renderer main loop |
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Copyright (C) 2010 Uncle Mike |
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|
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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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. See the |
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GNU General Public License for more details. |
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*/ |
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|
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#include "common.h" |
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#include "client.h" |
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#include "gl_local.h" |
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#include "mathlib.h" |
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#include "library.h" |
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#include "beamdef.h" |
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#include "particledef.h" |
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#include "entity_types.h" |
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|
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#define IsLiquidContents( cnt ) ( cnt == CONTENTS_WATER || cnt == CONTENTS_SLIME || cnt == CONTENTS_LAVA ) |
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float gldepthmin, gldepthmax; |
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ref_instance_t RI; |
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static int R_RankForRenderMode( int rendermode ) |
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{ |
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switch( rendermode ) |
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{ |
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case kRenderTransTexture: |
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return 1; // draw second |
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case kRenderTransAdd: |
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return 2; // draw third |
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case kRenderGlow: |
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return 3; // must be last! |
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} |
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return 0; |
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} |
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|
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void R_AllowFog( int allowed ) |
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{ |
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if( allowed ) |
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{ |
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if( glState.isFogEnabled ) |
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pglEnable( GL_FOG ); |
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} |
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else |
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{ |
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if( glState.isFogEnabled ) |
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pglDisable( GL_FOG ); |
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} |
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} |
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/* |
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=============== |
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R_OpaqueEntity |
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Opaque entity can be brush or studio model but sprite |
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=============== |
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*/ |
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static qboolean R_OpaqueEntity( cl_entity_t *ent ) |
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{ |
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if( R_GetEntityRenderMode( ent ) == kRenderNormal ) |
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return true; |
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return false; |
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} |
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|
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/* |
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=============== |
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R_TransEntityCompare |
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Sorting translucent entities by rendermode then by distance |
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=============== |
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*/ |
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static int R_TransEntityCompare( const cl_entity_t **a, const cl_entity_t **b ) |
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{ |
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cl_entity_t *ent1, *ent2; |
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vec3_t vecLen, org; |
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float dist1, dist2; |
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int rendermode1; |
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int rendermode2; |
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ent1 = (cl_entity_t *)*a; |
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ent2 = (cl_entity_t *)*b; |
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rendermode1 = R_GetEntityRenderMode( ent1 ); |
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rendermode2 = R_GetEntityRenderMode( ent2 ); |
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// sort by distance |
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if( ent1->model->type != mod_brush || rendermode1 != kRenderTransAlpha ) |
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{ |
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VectorAverage( ent1->model->mins, ent1->model->maxs, org ); |
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VectorAdd( ent1->origin, org, org ); |
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VectorSubtract( RI.vieworg, org, vecLen ); |
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dist1 = DotProduct( vecLen, vecLen ); |
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} |
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else dist1 = 1000000000; |
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if( ent2->model->type != mod_brush || rendermode2 != kRenderTransAlpha ) |
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{ |
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VectorAverage( ent2->model->mins, ent2->model->maxs, org ); |
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VectorAdd( ent2->origin, org, org ); |
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VectorSubtract( RI.vieworg, org, vecLen ); |
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dist2 = DotProduct( vecLen, vecLen ); |
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} |
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else dist2 = 1000000000; |
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if( dist1 > dist2 ) |
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return -1; |
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if( dist1 < dist2 ) |
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return 1; |
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// then sort by rendermode |
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if( R_RankForRenderMode( rendermode1 ) > R_RankForRenderMode( rendermode2 )) |
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return 1; |
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if( R_RankForRenderMode( rendermode1 ) < R_RankForRenderMode( rendermode2 )) |
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return -1; |
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return 0; |
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} |
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/* |
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=============== |
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R_WorldToScreen |
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Convert a given point from world into screen space |
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Returns true if we behind to screen |
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=============== |
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*/ |
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qboolean R_WorldToScreen( const vec3_t point, vec3_t screen ) |
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{ |
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matrix4x4 worldToScreen; |
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qboolean behind; |
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float w; |
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if( !point || !screen ) |
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return true; |
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Matrix4x4_Copy( worldToScreen, RI.worldviewProjectionMatrix ); |
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screen[0] = worldToScreen[0][0] * point[0] + worldToScreen[0][1] * point[1] + worldToScreen[0][2] * point[2] + worldToScreen[0][3]; |
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screen[1] = worldToScreen[1][0] * point[0] + worldToScreen[1][1] * point[1] + worldToScreen[1][2] * point[2] + worldToScreen[1][3]; |
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w = worldToScreen[3][0] * point[0] + worldToScreen[3][1] * point[1] + worldToScreen[3][2] * point[2] + worldToScreen[3][3]; |
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screen[2] = 0.0f; // just so we have something valid here |
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if( w < 0.001f ) |
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{ |
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screen[0] *= 100000; |
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screen[1] *= 100000; |
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behind = true; |
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} |
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else |
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{ |
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float invw = 1.0f / w; |
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screen[0] *= invw; |
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screen[1] *= invw; |
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behind = false; |
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} |
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return behind; |
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} |
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/* |
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=============== |
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R_ScreenToWorld |
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Convert a given point from screen into world space |
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=============== |
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*/ |
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void R_ScreenToWorld( const vec3_t screen, vec3_t point ) |
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{ |
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matrix4x4 screenToWorld; |
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float w; |
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if( !point || !screen ) |
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return; |
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Matrix4x4_Invert_Full( screenToWorld, RI.worldviewProjectionMatrix ); |
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point[0] = screen[0] * screenToWorld[0][0] + screen[1] * screenToWorld[0][1] + screen[2] * screenToWorld[0][2] + screenToWorld[0][3]; |
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point[1] = screen[0] * screenToWorld[1][0] + screen[1] * screenToWorld[1][1] + screen[2] * screenToWorld[1][2] + screenToWorld[1][3]; |
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point[2] = screen[0] * screenToWorld[2][0] + screen[1] * screenToWorld[2][1] + screen[2] * screenToWorld[2][2] + screenToWorld[2][3]; |
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w = screen[0] * screenToWorld[3][0] + screen[1] * screenToWorld[3][1] + screen[2] * screenToWorld[3][2] + screenToWorld[3][3]; |
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if( w != 0.0f ) VectorScale( point, ( 1.0f / w ), point ); |
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} |
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/* |
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=============== |
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R_PushScene |
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=============== |
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*/ |
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void R_PushScene( void ) |
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{ |
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if( ++tr.draw_stack_pos >= MAX_DRAW_STACK ) |
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Host_Error( "draw stack overflow\n" ); |
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tr.draw_list = &tr.draw_stack[tr.draw_stack_pos]; |
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} |
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/* |
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=============== |
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R_PushScene |
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=============== |
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*/ |
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void R_PopScene( void ) |
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{ |
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if( --tr.draw_stack_pos < 0 ) |
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Host_Error( "draw stack underflow\n" ); |
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tr.draw_list = &tr.draw_stack[tr.draw_stack_pos]; |
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} |
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/* |
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=============== |
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R_ClearScene |
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=============== |
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*/ |
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void R_ClearScene( void ) |
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{ |
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tr.draw_list->num_solid_entities = 0; |
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tr.draw_list->num_trans_entities = 0; |
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tr.draw_list->num_beam_entities = 0; |
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} |
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/* |
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=============== |
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R_AddEntity |
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=============== |
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*/ |
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qboolean R_AddEntity( struct cl_entity_s *clent, int type ) |
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{ |
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if( !r_drawentities->value ) |
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return false; // not allow to drawing |
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if( !clent || !clent->model ) |
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return false; // if set to invisible, skip |
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if( FBitSet( clent->curstate.effects, EF_NODRAW )) |
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return false; // done |
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if( !R_ModelOpaque( clent->curstate.rendermode ) && CL_FxBlend( clent ) <= 0 ) |
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return true; // invisible |
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if( type == ET_FRAGMENTED ) |
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r_stats.c_client_ents++; |
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if( R_OpaqueEntity( clent )) |
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{ |
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// opaque |
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if( tr.draw_list->num_solid_entities >= MAX_VISIBLE_PACKET ) |
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return false; |
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tr.draw_list->solid_entities[tr.draw_list->num_solid_entities] = clent; |
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tr.draw_list->num_solid_entities++; |
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} |
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else |
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{ |
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// translucent |
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if( tr.draw_list->num_trans_entities >= MAX_VISIBLE_PACKET ) |
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return false; |
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tr.draw_list->trans_entities[tr.draw_list->num_trans_entities] = clent; |
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tr.draw_list->num_trans_entities++; |
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} |
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return true; |
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} |
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/* |
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============= |
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R_Clear |
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============= |
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*/ |
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static void R_Clear( int bitMask ) |
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{ |
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int bits; |
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if( CL_IsDevOverviewMode( )) |
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pglClearColor( 0.0f, 1.0f, 0.0f, 1.0f ); // green background (Valve rules) |
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else pglClearColor( 0.5f, 0.5f, 0.5f, 1.0f ); |
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bits = GL_DEPTH_BUFFER_BIT; |
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if( glState.stencilEnabled ) |
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bits |= GL_STENCIL_BUFFER_BIT; |
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bits &= bitMask; |
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pglClear( bits ); |
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// change ordering for overview |
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if( RI.drawOrtho ) |
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{ |
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gldepthmin = 1.0f; |
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gldepthmax = 0.0f; |
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} |
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else |
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{ |
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gldepthmin = 0.0f; |
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gldepthmax = 1.0f; |
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} |
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pglDepthFunc( GL_LEQUAL ); |
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pglDepthRange( gldepthmin, gldepthmax ); |
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} |
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//============================================================================= |
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/* |
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=============== |
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R_GetFarClip |
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=============== |
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*/ |
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static float R_GetFarClip( void ) |
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{ |
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if( cl.worldmodel && RI.drawWorld ) |
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return clgame.movevars.zmax * 1.73f; |
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return 2048.0f; |
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} |
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/* |
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=============== |
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R_SetupFrustum |
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=============== |
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*/ |
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void R_SetupFrustum( void ) |
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{ |
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ref_overview_t *ov = &clgame.overView; |
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if( RP_NORMALPASS() && ( cl.local.waterlevel >= 3 )) |
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{ |
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RI.fov_x = atan( tan( DEG2RAD( RI.fov_x ) / 2 ) * ( 0.97 + sin( cl.time * 1.5 ) * 0.03 )) * 2 / (M_PI / 180.0); |
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RI.fov_y = atan( tan( DEG2RAD( RI.fov_y ) / 2 ) * ( 1.03 - sin( cl.time * 1.5 ) * 0.03 )) * 2 / (M_PI / 180.0); |
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} |
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// build the transformation matrix for the given view angles |
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AngleVectors( RI.viewangles, RI.vforward, RI.vright, RI.vup ); |
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if( !r_lockfrustum->value ) |
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{ |
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VectorCopy( RI.vieworg, RI.cullorigin ); |
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VectorCopy( RI.vforward, RI.cull_vforward ); |
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VectorCopy( RI.vright, RI.cull_vright ); |
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VectorCopy( RI.vup, RI.cull_vup ); |
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} |
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if( RI.drawOrtho ) |
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GL_FrustumInitOrtho( &RI.frustum, ov->xLeft, ov->xRight, ov->yTop, ov->yBottom, ov->zNear, ov->zFar ); |
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else GL_FrustumInitProj( &RI.frustum, 0.0f, R_GetFarClip(), RI.fov_x, RI.fov_y ); // NOTE: we ignore nearplane here (mirrors only) |
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} |
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/* |
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============= |
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R_SetupProjectionMatrix |
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============= |
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*/ |
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static void R_SetupProjectionMatrix( matrix4x4 m ) |
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{ |
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GLdouble xMin, xMax, yMin, yMax, zNear, zFar; |
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if( RI.drawOrtho ) |
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{ |
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ref_overview_t *ov = &clgame.overView; |
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Matrix4x4_CreateOrtho( m, ov->xLeft, ov->xRight, ov->yTop, ov->yBottom, ov->zNear, ov->zFar ); |
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return; |
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} |
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RI.farClip = R_GetFarClip(); |
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zNear = 4.0f; |
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zFar = max( 256.0f, RI.farClip ); |
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yMax = zNear * tan( RI.fov_y * M_PI / 360.0 ); |
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yMin = -yMax; |
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xMax = zNear * tan( RI.fov_x * M_PI / 360.0 ); |
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xMin = -xMax; |
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Matrix4x4_CreateProjection( m, xMax, xMin, yMax, yMin, zNear, zFar ); |
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} |
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/* |
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============= |
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R_SetupModelviewMatrix |
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============= |
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*/ |
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static void R_SetupModelviewMatrix( matrix4x4 m ) |
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{ |
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Matrix4x4_CreateModelview( m ); |
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Matrix4x4_ConcatRotate( m, -RI.viewangles[2], 1, 0, 0 ); |
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Matrix4x4_ConcatRotate( m, -RI.viewangles[0], 0, 1, 0 ); |
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Matrix4x4_ConcatRotate( m, -RI.viewangles[1], 0, 0, 1 ); |
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Matrix4x4_ConcatTranslate( m, -RI.vieworg[0], -RI.vieworg[1], -RI.vieworg[2] ); |
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} |
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/* |
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============= |
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R_LoadIdentity |
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============= |
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*/ |
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void R_LoadIdentity( void ) |
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{ |
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if( tr.modelviewIdentity ) return; |
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Matrix4x4_LoadIdentity( RI.objectMatrix ); |
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Matrix4x4_Copy( RI.modelviewMatrix, RI.worldviewMatrix ); |
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pglMatrixMode( GL_MODELVIEW ); |
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GL_LoadMatrix( RI.modelviewMatrix ); |
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tr.modelviewIdentity = true; |
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} |
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/* |
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============= |
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R_RotateForEntity |
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============= |
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*/ |
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void R_RotateForEntity( cl_entity_t *e ) |
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{ |
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float scale = 1.0f; |
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if( e == clgame.entities ) |
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{ |
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R_LoadIdentity(); |
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return; |
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} |
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if( e->model->type != mod_brush && e->curstate.scale > 0.0f ) |
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scale = e->curstate.scale; |
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Matrix4x4_CreateFromEntity( RI.objectMatrix, e->angles, e->origin, scale ); |
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Matrix4x4_ConcatTransforms( RI.modelviewMatrix, RI.worldviewMatrix, RI.objectMatrix ); |
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pglMatrixMode( GL_MODELVIEW ); |
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GL_LoadMatrix( RI.modelviewMatrix ); |
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tr.modelviewIdentity = false; |
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} |
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/* |
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============= |
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R_TranslateForEntity |
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============= |
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*/ |
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void R_TranslateForEntity( cl_entity_t *e ) |
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{ |
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float scale = 1.0f; |
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if( e == clgame.entities ) |
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{ |
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R_LoadIdentity(); |
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return; |
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} |
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if( e->model->type != mod_brush && e->curstate.scale > 0.0f ) |
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scale = e->curstate.scale; |
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Matrix4x4_CreateFromEntity( RI.objectMatrix, vec3_origin, e->origin, scale ); |
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Matrix4x4_ConcatTransforms( RI.modelviewMatrix, RI.worldviewMatrix, RI.objectMatrix ); |
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pglMatrixMode( GL_MODELVIEW ); |
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GL_LoadMatrix( RI.modelviewMatrix ); |
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tr.modelviewIdentity = false; |
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} |
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|
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/* |
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=============== |
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R_FindViewLeaf |
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=============== |
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*/ |
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void R_FindViewLeaf( void ) |
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{ |
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RI.oldviewleaf = RI.viewleaf; |
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RI.viewleaf = Mod_PointInLeaf( RI.pvsorigin, cl.worldmodel->nodes ); |
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} |
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|
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/* |
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=============== |
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R_SetupFrame |
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=============== |
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*/ |
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static void R_SetupFrame( void ) |
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{ |
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// setup viewplane dist |
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RI.viewplanedist = DotProduct( RI.vieworg, RI.vforward ); |
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// NOTE: this request is the fps-killer on some NVidia drivers |
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glState.isFogEnabled = pglIsEnabled( GL_FOG ); |
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if( !gl_nosort->value ) |
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{ |
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// sort translucents entities by rendermode and distance |
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qsort( tr.draw_list->trans_entities, tr.draw_list->num_trans_entities, sizeof( cl_entity_t* ), R_TransEntityCompare ); |
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} |
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// current viewleaf |
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if( RI.drawWorld ) |
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{ |
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RI.isSkyVisible = false; // unknown at this moment |
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R_FindViewLeaf(); |
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} |
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} |
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|
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/* |
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============= |
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R_SetupGL |
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============= |
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*/ |
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void R_SetupGL( qboolean set_gl_state ) |
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{ |
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R_SetupModelviewMatrix( RI.worldviewMatrix ); |
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R_SetupProjectionMatrix( RI.projectionMatrix ); |
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Matrix4x4_Concat( RI.worldviewProjectionMatrix, RI.projectionMatrix, RI.worldviewMatrix ); |
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if( !set_gl_state ) return; |
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if( RP_NORMALPASS( )) |
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{ |
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int x, x2, y, y2; |
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|
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// set up viewport (main, playersetup) |
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x = floor( RI.viewport[0] * glState.width / glState.width ); |
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x2 = ceil(( RI.viewport[0] + RI.viewport[2] ) * glState.width / glState.width ); |
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y = floor( glState.height - RI.viewport[1] * glState.height / glState.height ); |
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y2 = ceil( glState.height - ( RI.viewport[1] + RI.viewport[3] ) * glState.height / glState.height ); |
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pglViewport( x, y2, x2 - x, y - y2 ); |
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} |
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else |
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{ |
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// envpass, mirrorpass |
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pglViewport( RI.viewport[0], RI.viewport[1], RI.viewport[2], RI.viewport[3] ); |
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} |
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pglMatrixMode( GL_PROJECTION ); |
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GL_LoadMatrix( RI.projectionMatrix ); |
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pglMatrixMode( GL_MODELVIEW ); |
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GL_LoadMatrix( RI.worldviewMatrix ); |
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if( FBitSet( RI.params, RP_CLIPPLANE )) |
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{ |
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GLdouble clip[4]; |
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mplane_t *p = &RI.clipPlane; |
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|
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clip[0] = p->normal[0]; |
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clip[1] = p->normal[1]; |
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clip[2] = p->normal[2]; |
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clip[3] = -p->dist; |
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pglClipPlane( GL_CLIP_PLANE0, clip ); |
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pglEnable( GL_CLIP_PLANE0 ); |
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} |
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GL_Cull( GL_FRONT ); |
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|
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pglDisable( GL_BLEND ); |
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pglDisable( GL_ALPHA_TEST ); |
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pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f ); |
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} |
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|
|
/* |
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============= |
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R_EndGL |
|
============= |
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*/ |
|
static void R_EndGL( void ) |
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{ |
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if( RI.params & RP_CLIPPLANE ) |
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pglDisable( GL_CLIP_PLANE0 ); |
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} |
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|
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/* |
|
============= |
|
R_RecursiveFindWaterTexture |
|
|
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using to find source waterleaf with |
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watertexture to grab fog values from it |
|
============= |
|
*/ |
|
static gl_texture_t *R_RecursiveFindWaterTexture( const mnode_t *node, const mnode_t *ignore, qboolean down ) |
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{ |
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gl_texture_t *tex = NULL; |
|
|
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// assure the initial node is not null |
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// we could check it here, but we would rather check it |
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// outside the call to get rid of one additional recursion level |
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Assert( node != NULL ); |
|
|
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// ignore solid nodes |
|
if( node->contents == CONTENTS_SOLID ) |
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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_CheckFog |
|
|
|
check for underwater fog |
|
Using backward recursion to find waterline leaf |
|
from underwater leaf (idea: XaeroX) |
|
============= |
|
*/ |
|
static void R_CheckFog( void ) |
|
{ |
|
cl_entity_t *ent; |
|
gl_texture_t *tex; |
|
int i, cnt, count; |
|
|
|
// quake global fog |
|
if( CL_IsQuakeCompatible( )) |
|
{ |
|
if( !clgame.movevars.fog_settings ) |
|
{ |
|
if( pglIsEnabled( GL_FOG )) |
|
pglDisable( GL_FOG ); |
|
RI.fogEnabled = false; |
|
return; |
|
} |
|
|
|
// quake-style global fog |
|
RI.fogColor[0] = ((clgame.movevars.fog_settings & 0xFF000000) >> 24) / 255.0f; |
|
RI.fogColor[1] = ((clgame.movevars.fog_settings & 0xFF0000) >> 16) / 255.0f; |
|
RI.fogColor[2] = ((clgame.movevars.fog_settings & 0xFF00) >> 8) / 255.0f; |
|
RI.fogDensity = ((clgame.movevars.fog_settings & 0xFF) / 255.0f) * 0.01f; |
|
RI.fogStart = RI.fogEnd = 0.0f; |
|
RI.fogColor[3] = 1.0f; |
|
RI.fogCustom = false; |
|
RI.fogEnabled = true; |
|
RI.fogSkybox = true; |
|
return; |
|
} |
|
|
|
RI.fogEnabled = false; |
|
|
|
if( RI.onlyClientDraw || cl.local.waterlevel < 3 || !RI.drawWorld || !RI.viewleaf ) |
|
{ |
|
if( RI.cached_waterlevel == 3 ) |
|
{ |
|
// in some cases waterlevel jumps from 3 to 1. Catch it |
|
RI.cached_waterlevel = cl.local.waterlevel; |
|
RI.cached_contents = CONTENTS_EMPTY; |
|
if( !RI.fogCustom ) |
|
{ |
|
glState.isFogEnabled = false; |
|
pglDisable( GL_FOG ); |
|
} |
|
} |
|
return; |
|
} |
|
|
|
ent = CL_GetWaterEntity( RI.vieworg ); |
|
if( ent && ent->model && ent->model->type == mod_brush && ent->curstate.skin < 0 ) |
|
cnt = ent->curstate.skin; |
|
else cnt = RI.viewleaf->contents; |
|
|
|
RI.cached_waterlevel = cl.local.waterlevel; |
|
|
|
if( !IsLiquidContents( RI.cached_contents ) && IsLiquidContents( cnt )) |
|
{ |
|
tex = NULL; |
|
|
|
// check for water texture |
|
if( ent && ent->model && ent->model->type == mod_brush ) |
|
{ |
|
msurface_t *surf; |
|
|
|
count = ent->model->nummodelsurfaces; |
|
|
|
for( i = 0, surf = &ent->model->surfaces[ent->model->firstmodelsurface]; i < count; i++, surf++ ) |
|
{ |
|
if( surf->flags & SURF_DRAWTURB && surf->texinfo && surf->texinfo->texture ) |
|
{ |
|
tex = R_GetTexture( surf->texinfo->texture->gl_texturenum ); |
|
RI.cached_contents = ent->curstate.skin; |
|
break; |
|
} |
|
} |
|
} |
|
else |
|
{ |
|
tex = R_RecursiveFindWaterTexture( RI.viewleaf->parent, NULL, false ); |
|
if( tex ) RI.cached_contents = RI.viewleaf->contents; |
|
} |
|
|
|
if( !tex ) return; // no valid fogs |
|
|
|
// copy fog params |
|
RI.fogColor[0] = tex->fogParams[0] / 255.0f; |
|
RI.fogColor[1] = tex->fogParams[1] / 255.0f; |
|
RI.fogColor[2] = tex->fogParams[2] / 255.0f; |
|
RI.fogDensity = tex->fogParams[3] * 0.000025f; |
|
RI.fogStart = RI.fogEnd = 0.0f; |
|
RI.fogColor[3] = 1.0f; |
|
RI.fogCustom = false; |
|
RI.fogEnabled = true; |
|
RI.fogSkybox = true; |
|
} |
|
else |
|
{ |
|
RI.fogCustom = false; |
|
RI.fogEnabled = true; |
|
RI.fogSkybox = true; |
|
} |
|
} |
|
|
|
/* |
|
============= |
|
R_CheckGLFog |
|
|
|
special condition for Spirit 1.9 |
|
that used direct calls of glFog-functions |
|
============= |
|
*/ |
|
static void R_CheckGLFog( void ) |
|
{ |
|
#ifdef HACKS_RELATED_HLMODS |
|
if(( !RI.fogEnabled && !RI.fogCustom ) && pglIsEnabled( GL_FOG ) && VectorIsNull( RI.fogColor )) |
|
{ |
|
// fill the fog color from GL-state machine |
|
pglGetFloatv( GL_FOG_COLOR, RI.fogColor ); |
|
RI.fogSkybox = true; |
|
} |
|
#endif |
|
} |
|
|
|
/* |
|
============= |
|
R_DrawFog |
|
|
|
============= |
|
*/ |
|
void R_DrawFog( void ) |
|
{ |
|
if( !RI.fogEnabled ) return; |
|
|
|
pglEnable( GL_FOG ); |
|
if( CL_IsQuakeCompatible( )) |
|
pglFogi( GL_FOG_MODE, GL_EXP2 ); |
|
else pglFogi( GL_FOG_MODE, GL_EXP ); |
|
pglFogf( GL_FOG_DENSITY, RI.fogDensity ); |
|
pglFogfv( GL_FOG_COLOR, RI.fogColor ); |
|
pglHint( GL_FOG_HINT, GL_NICEST ); |
|
} |
|
|
|
/* |
|
============= |
|
R_DrawEntitiesOnList |
|
============= |
|
*/ |
|
void R_DrawEntitiesOnList( void ) |
|
{ |
|
int i; |
|
|
|
tr.blend = 1.0f; |
|
GL_CheckForErrors(); |
|
|
|
// 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; |
|
|
|
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_DrawStudioModel( RI.currententity ); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
GL_CheckForErrors(); |
|
|
|
// quake-specific feature |
|
R_DrawAlphaTextureChains(); |
|
|
|
GL_CheckForErrors(); |
|
|
|
// 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 ) |
|
{ |
|
CL_DrawBeams( false ); |
|
} |
|
|
|
GL_CheckForErrors(); |
|
|
|
if( RI.drawWorld ) |
|
clgame.dllFuncs.pfnDrawNormalTriangles(); |
|
|
|
GL_CheckForErrors(); |
|
|
|
// 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_DrawStudioModel( RI.currententity ); |
|
break; |
|
case mod_sprite: |
|
R_DrawSpriteModel( RI.currententity ); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
GL_CheckForErrors(); |
|
|
|
if( RI.drawWorld ) |
|
{ |
|
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE ); |
|
clgame.dllFuncs.pfnDrawTransparentTriangles (); |
|
} |
|
|
|
GL_CheckForErrors(); |
|
|
|
if( !RI.onlyClientDraw ) |
|
{ |
|
R_AllowFog( false ); |
|
CL_DrawBeams( true ); |
|
CL_DrawParticles( tr.frametime ); |
|
CL_DrawTracers( tr.frametime ); |
|
R_AllowFog( true ); |
|
} |
|
|
|
GL_CheckForErrors(); |
|
|
|
pglDisable( GL_BLEND ); // Trinity Render issues |
|
|
|
if( !RI.onlyClientDraw ) |
|
R_DrawViewModel(); |
|
CL_ExtraUpdate(); |
|
|
|
GL_CheckForErrors(); |
|
} |
|
|
|
/* |
|
================ |
|
R_RenderScene |
|
|
|
R_SetupRefParams must be called right before |
|
================ |
|
*/ |
|
void R_RenderScene( void ) |
|
{ |
|
if( !cl.worldmodel && RI.drawWorld ) |
|
Host_Error( "R_RenderView: NULL worldmodel\n" ); |
|
|
|
// frametime is valid only for normal pass |
|
if( RP_NORMALPASS( )) |
|
tr.frametime = cl.time - cl.oldtime; |
|
else tr.frametime = 0.0; |
|
|
|
// begin a new frame |
|
tr.framecount++; |
|
|
|
R_PushDlights(); |
|
|
|
R_SetupFrustum(); |
|
R_SetupFrame(); |
|
R_SetupGL( true ); |
|
R_Clear( ~0 ); |
|
|
|
R_MarkLeaves(); |
|
R_DrawFog (); |
|
|
|
R_CheckGLFog(); |
|
R_DrawWorld(); |
|
R_CheckFog(); |
|
|
|
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; |
|
|
|
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; |
|
} |
|
} |
|
|
|
/* |
|
=============== |
|
R_BeginFrame |
|
=============== |
|
*/ |
|
void R_BeginFrame( qboolean clearScene ) |
|
{ |
|
glConfig.softwareGammaUpdate = false; // in case of possible fails |
|
|
|
if(( gl_clear->value || CL_IsDevOverviewMode( )) && clearScene && cls.state != ca_cinematic ) |
|
{ |
|
pglClear( GL_COLOR_BUFFER_BIT ); |
|
} |
|
|
|
if( R_DoResetGamma( )) |
|
{ |
|
BuildGammaTable( 1.8f, 0.0f ); |
|
glConfig.softwareGammaUpdate = true; |
|
GL_RebuildLightmaps(); |
|
glConfig.softwareGammaUpdate = false; |
|
|
|
// 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 )) |
|
{ |
|
BuildGammaTable( vid_gamma->value, vid_brightness->value ); |
|
glConfig.softwareGammaUpdate = true; |
|
GL_RebuildLightmaps(); |
|
glConfig.softwareGammaUpdate = false; |
|
} |
|
|
|
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(); |
|
|
|
// swapinterval stuff |
|
GL_UpdateSwapInterval(); |
|
|
|
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 ); |
|
RI.farClip = 0; |
|
|
|
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 |
|
=============== |
|
*/ |
|
void R_RenderFrame( const ref_viewpass_t *rvp ) |
|
{ |
|
if( r_norefresh->value ) |
|
return; |
|
|
|
// setup the initial render params |
|
R_SetupRefParams( rvp ); |
|
|
|
if( gl_finish->value && RI.drawWorld ) |
|
pglFinish(); |
|
|
|
if( glConfig.max_multisamples > 1 && FBitSet( gl_msaa->flags, FCVAR_CHANGED )) |
|
{ |
|
if( CVAR_TO_BOOL( gl_msaa )) |
|
pglEnable( GL_MULTISAMPLE_ARB ); |
|
else pglDisable( GL_MULTISAMPLE_ARB ); |
|
ClearBits( gl_msaa->flags, FCVAR_CHANGED ); |
|
} |
|
|
|
// completely override rendering |
|
if( clgame.drawFuncs.GL_RenderFrame != NULL ) |
|
{ |
|
tr.fCustomRendering = true; |
|
|
|
if( clgame.drawFuncs.GL_RenderFrame( rvp )) |
|
{ |
|
R_GatherPlayerLight(); |
|
tr.realframecount++; |
|
tr.fResetVis = true; |
|
return; |
|
} |
|
} |
|
|
|
tr.fCustomRendering = false; |
|
if( !RI.onlyClientDraw ) |
|
R_RunViewmodelEvents(); |
|
|
|
tr.realframecount++; // right called after viewmodel events |
|
R_RenderScene(); |
|
} |
|
|
|
/* |
|
=============== |
|
R_EndFrame |
|
=============== |
|
*/ |
|
void R_EndFrame( void ) |
|
{ |
|
// flush any remaining 2D bits |
|
R_Set2DMode( false ); |
|
|
|
if( !pwglSwapBuffers( glw_state.hDC )) |
|
Sys_Error( "failed to swap buffers\nCheck your video driver and as possible of reinstall it" ); |
|
} |
|
|
|
/* |
|
=============== |
|
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 |
|
} |
|
|
|
static int GL_RenderGetParm( int parm, int arg ) |
|
{ |
|
gl_texture_t *glt; |
|
|
|
switch( parm ) |
|
{ |
|
case PARM_TEX_WIDTH: |
|
glt = R_GetTexture( arg ); |
|
return glt->width; |
|
case PARM_TEX_HEIGHT: |
|
glt = R_GetTexture( arg ); |
|
return glt->height; |
|
case PARM_TEX_SRC_WIDTH: |
|
glt = R_GetTexture( arg ); |
|
return glt->srcWidth; |
|
case PARM_TEX_SRC_HEIGHT: |
|
glt = R_GetTexture( arg ); |
|
return glt->srcHeight; |
|
case PARM_TEX_GLFORMAT: |
|
glt = R_GetTexture( arg ); |
|
return glt->format; |
|
case PARM_TEX_ENCODE: |
|
glt = R_GetTexture( arg ); |
|
return glt->encode; |
|
case PARM_TEX_MIPCOUNT: |
|
glt = R_GetTexture( arg ); |
|
return glt->numMips; |
|
case PARM_TEX_DEPTH: |
|
glt = R_GetTexture( arg ); |
|
return glt->depth; |
|
case PARM_BSP2_SUPPORTED: |
|
#ifdef SUPPORT_BSP2_FORMAT |
|
return 1; |
|
#endif |
|
return 0; |
|
case PARM_TEX_SKYBOX: |
|
Assert( arg >= 0 && arg < 6 ); |
|
return tr.skyboxTextures[arg]; |
|
case PARM_TEX_SKYTEXNUM: |
|
return tr.skytexturenum; |
|
case PARM_TEX_LIGHTMAP: |
|
arg = bound( 0, arg, MAX_LIGHTMAPS - 1 ); |
|
return tr.lightmapTextures[arg]; |
|
case PARM_SKY_SPHERE: |
|
return FBitSet( world.flags, FWORLD_SKYSPHERE ) && !FBitSet( world.flags, FWORLD_CUSTOM_SKYBOX ); |
|
case PARAM_GAMEPAUSED: |
|
return cl.paused; |
|
case PARM_WIDESCREEN: |
|
return glState.wideScreen; |
|
case PARM_FULLSCREEN: |
|
return glState.fullScreen; |
|
case PARM_SCREEN_WIDTH: |
|
return glState.width; |
|
case PARM_SCREEN_HEIGHT: |
|
return glState.height; |
|
case PARM_CLIENT_INGAME: |
|
return CL_IsInGame(); |
|
case PARM_MAX_ENTITIES: |
|
return clgame.maxEntities; |
|
case PARM_TEX_TARGET: |
|
glt = R_GetTexture( arg ); |
|
return glt->target; |
|
case PARM_TEX_TEXNUM: |
|
glt = R_GetTexture( arg ); |
|
return glt->texnum; |
|
case PARM_TEX_FLAGS: |
|
glt = R_GetTexture( arg ); |
|
return glt->flags; |
|
case PARM_FEATURES: |
|
return host.features; |
|
case PARM_ACTIVE_TMU: |
|
return glState.activeTMU; |
|
case PARM_LIGHTSTYLEVALUE: |
|
arg = bound( 0, arg, MAX_LIGHTSTYLES - 1 ); |
|
return tr.lightstylevalue[arg]; |
|
case PARM_MAP_HAS_DELUXE: |
|
return FBitSet( world.flags, FWORLD_HAS_DELUXEMAP ); |
|
case PARM_MAX_IMAGE_UNITS: |
|
return GL_MaxTextureUnits(); |
|
case PARM_CLIENT_ACTIVE: |
|
return (cls.state == ca_active); |
|
case PARM_REBUILD_GAMMA: |
|
return glConfig.softwareGammaUpdate; |
|
case PARM_DEDICATED_SERVER: |
|
return (host.type == HOST_DEDICATED); |
|
case PARM_SURF_SAMPLESIZE: |
|
if( arg >= 0 && arg < cl.worldmodel->numsurfaces ) |
|
return Mod_SampleSizeForFace( &cl.worldmodel->surfaces[arg] ); |
|
return LM_SAMPLE_SIZE; |
|
case PARM_GL_CONTEXT_TYPE: |
|
return glConfig.context; |
|
case PARM_GLES_WRAPPER: |
|
return glConfig.wrapper; |
|
case PARM_STENCIL_ACTIVE: |
|
return glState.stencilEnabled; |
|
case PARM_WATER_ALPHA: |
|
return FBitSet( world.flags, FWORLD_WATERALPHA ); |
|
case PARM_TEX_MEMORY: |
|
return GL_TexMemory(); |
|
} |
|
return 0; |
|
} |
|
|
|
static void R_GetDetailScaleForTexture( int texture, float *xScale, float *yScale ) |
|
{ |
|
gl_texture_t *glt = R_GetTexture( texture ); |
|
|
|
if( xScale ) *xScale = glt->xscale; |
|
if( yScale ) *yScale = glt->yscale; |
|
} |
|
|
|
static void R_GetExtraParmsForTexture( int texture, byte *red, byte *green, byte *blue, byte *density ) |
|
{ |
|
gl_texture_t *glt = R_GetTexture( texture ); |
|
|
|
if( red ) *red = glt->fogParams[0]; |
|
if( green ) *green = glt->fogParams[1]; |
|
if( blue ) *blue = glt->fogParams[2]; |
|
if( density ) *density = glt->fogParams[3]; |
|
} |
|
|
|
/* |
|
================= |
|
R_EnvShot |
|
|
|
================= |
|
*/ |
|
static void R_EnvShot( const float *vieworg, const char *name, int skyshot, int shotsize ) |
|
{ |
|
static vec3_t viewPoint; |
|
|
|
if( !COM_CheckString( name )) |
|
return; |
|
|
|
if( cls.scrshot_action != scrshot_inactive ) |
|
{ |
|
if( cls.scrshot_action != scrshot_skyshot && cls.scrshot_action != scrshot_envshot ) |
|
Con_Printf( S_ERROR "R_%sShot: subsystem is busy, try for next frame.\n", skyshot ? "Sky" : "Env" ); |
|
return; |
|
} |
|
|
|
cls.envshot_vieworg = NULL; // use client view |
|
Q_strncpy( cls.shotname, name, sizeof( cls.shotname )); |
|
|
|
if( vieworg ) |
|
{ |
|
// make sure what viewpoint don't temporare |
|
VectorCopy( vieworg, viewPoint ); |
|
cls.envshot_vieworg = viewPoint; |
|
cls.envshot_disable_vis = true; |
|
} |
|
|
|
// make request for envshot |
|
if( skyshot ) cls.scrshot_action = scrshot_skyshot; |
|
else cls.scrshot_action = scrshot_envshot; |
|
|
|
// catch negative values |
|
cls.envshot_viewsize = max( 0, shotsize ); |
|
} |
|
|
|
static void R_SetCurrentEntity( cl_entity_t *ent ) |
|
{ |
|
RI.currententity = ent; |
|
|
|
// set model also |
|
if( RI.currententity != NULL ) |
|
{ |
|
RI.currentmodel = RI.currententity->model; |
|
} |
|
} |
|
|
|
static void R_SetCurrentModel( model_t *mod ) |
|
{ |
|
RI.currentmodel = mod; |
|
} |
|
|
|
static int R_FatPVS( const vec3_t org, float radius, byte *visbuffer, qboolean merge, qboolean fullvis ) |
|
{ |
|
return Mod_FatPVS( org, radius, visbuffer, world.visbytes, merge, fullvis ); |
|
} |
|
|
|
static lightstyle_t *CL_GetLightStyle( int number ) |
|
{ |
|
Assert( number >= 0 && number < MAX_LIGHTSTYLES ); |
|
return &cl.lightstyles[number]; |
|
} |
|
|
|
static dlight_t *CL_GetDynamicLight( int number ) |
|
{ |
|
Assert( number >= 0 && number < MAX_DLIGHTS ); |
|
return &cl_dlights[number]; |
|
} |
|
|
|
static dlight_t *CL_GetEntityLight( int number ) |
|
{ |
|
Assert( number >= 0 && number < MAX_ELIGHTS ); |
|
return &cl_elights[number]; |
|
} |
|
|
|
static float R_GetFrameTime( void ) |
|
{ |
|
return tr.frametime; |
|
} |
|
|
|
static const char *GL_TextureName( unsigned int texnum ) |
|
{ |
|
return R_GetTexture( texnum )->name; |
|
} |
|
|
|
const byte *GL_TextureData( unsigned int texnum ) |
|
{ |
|
rgbdata_t *pic = R_GetTexture( texnum )->original; |
|
|
|
if( pic != NULL ) |
|
return pic->buffer; |
|
return NULL; |
|
} |
|
|
|
static const ref_overview_t *GL_GetOverviewParms( void ) |
|
{ |
|
return &clgame.overView; |
|
} |
|
|
|
static void *R_Mem_Alloc( size_t cb, const char *filename, const int fileline ) |
|
{ |
|
return _Mem_Alloc( cls.mempool, cb, true, filename, fileline ); |
|
} |
|
|
|
static void R_Mem_Free( void *mem, const char *filename, const int fileline ) |
|
{ |
|
if( !mem ) return; |
|
_Mem_Free( mem, filename, fileline ); |
|
} |
|
|
|
/* |
|
========= |
|
pfnGetFilesList |
|
|
|
========= |
|
*/ |
|
static char **pfnGetFilesList( const char *pattern, int *numFiles, int gamedironly ) |
|
{ |
|
static search_t *t = NULL; |
|
|
|
if( t ) Mem_Free( t ); // release prev search |
|
|
|
t = FS_Search( pattern, true, gamedironly ); |
|
|
|
if( !t ) |
|
{ |
|
if( numFiles ) *numFiles = 0; |
|
return NULL; |
|
} |
|
|
|
if( numFiles ) *numFiles = t->numfilenames; |
|
return t->filenames; |
|
} |
|
|
|
static uint pfnFileBufferCRC32( const void *buffer, const int length ) |
|
{ |
|
uint modelCRC = 0; |
|
|
|
if( !buffer || length <= 0 ) |
|
return modelCRC; |
|
|
|
CRC32_Init( &modelCRC ); |
|
CRC32_ProcessBuffer( &modelCRC, buffer, length ); |
|
return CRC32_Final( modelCRC ); |
|
} |
|
|
|
/* |
|
============= |
|
CL_GenericHandle |
|
|
|
============= |
|
*/ |
|
const char *CL_GenericHandle( int fileindex ) |
|
{ |
|
if( fileindex < 0 || fileindex >= MAX_CUSTOM ) |
|
return 0; |
|
return cl.files_precache[fileindex]; |
|
} |
|
|
|
static render_api_t gRenderAPI = |
|
{ |
|
GL_RenderGetParm, |
|
R_GetDetailScaleForTexture, |
|
R_GetExtraParmsForTexture, |
|
CL_GetLightStyle, |
|
CL_GetDynamicLight, |
|
CL_GetEntityLight, |
|
LightToTexGamma, |
|
R_GetFrameTime, |
|
R_SetCurrentEntity, |
|
R_SetCurrentModel, |
|
R_FatPVS, |
|
R_StoreEfrags, |
|
GL_FindTexture, |
|
GL_TextureName, |
|
GL_TextureData, |
|
GL_LoadTexture, |
|
GL_CreateTexture, |
|
GL_LoadTextureArray, |
|
GL_CreateTextureArray, |
|
GL_FreeTexture, |
|
DrawSingleDecal, |
|
R_DecalSetupVerts, |
|
R_EntityRemoveDecals, |
|
AVI_LoadVideo, |
|
AVI_GetVideoInfo, |
|
AVI_GetVideoFrameNumber, |
|
AVI_GetVideoFrame, |
|
R_UploadStretchRaw, |
|
AVI_FreeVideo, |
|
AVI_IsActive, |
|
S_StreamAviSamples, |
|
NULL, |
|
NULL, |
|
GL_Bind, |
|
GL_SelectTexture, |
|
GL_LoadTexMatrixExt, |
|
GL_LoadIdentityTexMatrix, |
|
GL_CleanUpTextureUnits, |
|
GL_TexGen, |
|
GL_TextureTarget, |
|
GL_SetTexCoordArrayMode, |
|
GL_GetProcAddress, |
|
GL_UpdateTexSize, |
|
NULL, |
|
NULL, |
|
CL_DrawParticlesExternal, |
|
R_EnvShot, |
|
pfnSPR_LoadExt, |
|
R_LightVec, |
|
R_StudioGetTexture, |
|
GL_GetOverviewParms, |
|
CL_GenericHandle, |
|
NULL, |
|
NULL, |
|
R_Mem_Alloc, |
|
R_Mem_Free, |
|
pfnGetFilesList, |
|
pfnFileBufferCRC32, |
|
COM_CompareFileTime, |
|
Host_Error, |
|
CL_ModelHandle, |
|
pfnTime, |
|
Cvar_Set, |
|
S_FadeMusicVolume, |
|
COM_SetRandomSeed, |
|
}; |
|
|
|
/* |
|
=============== |
|
R_InitRenderAPI |
|
|
|
Initialize client external rendering |
|
=============== |
|
*/ |
|
qboolean R_InitRenderAPI( void ) |
|
{ |
|
// make sure what render functions is cleared |
|
memset( &clgame.drawFuncs, 0, sizeof( clgame.drawFuncs )); |
|
|
|
if( clgame.dllFuncs.pfnGetRenderInterface ) |
|
{ |
|
if( clgame.dllFuncs.pfnGetRenderInterface( CL_RENDER_INTERFACE_VERSION, &gRenderAPI, &clgame.drawFuncs )) |
|
{ |
|
Con_Reportf( "CL_LoadProgs: ^2initailized extended RenderAPI ^7ver. %i\n", CL_RENDER_INTERFACE_VERSION ); |
|
return true; |
|
} |
|
|
|
// make sure what render functions is cleared |
|
memset( &clgame.drawFuncs, 0, sizeof( clgame.drawFuncs )); |
|
|
|
return false; // just tell user about problems |
|
} |
|
|
|
// render interface is missed |
|
return true; |
|
} |