2007-06-21 22:00:00 +02:00
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/*
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Copyright (C) 1997-2001 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// cl_view.c -- player rendering positioning
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2008-06-09 22:00:00 +02:00
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#include "common.h"
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2007-06-21 22:00:00 +02:00
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#include "client.h"
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/*
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====================
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V_ClearScene
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Specifies the model that will be used as the world
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====================
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*/
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2008-08-02 22:00:00 +02:00
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void V_ClearScene( void )
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2007-06-21 22:00:00 +02:00
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{
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2008-08-02 22:00:00 +02:00
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re->ClearScene( &cl.refdef );
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2007-06-21 22:00:00 +02:00
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}
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2007-11-06 22:00:00 +01:00
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/*
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=================
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void V_CalcRect( void )
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Sets scr_vrect, the coordinates of the rendered window
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=================
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*/
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void V_CalcRect( void )
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{
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2007-11-18 22:00:00 +01:00
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scr_vrect.width = scr_width->integer;
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2007-11-06 22:00:00 +01:00
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scr_vrect.width &= ~7;
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2007-11-18 22:00:00 +01:00
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scr_vrect.height = scr_height->integer;
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2007-11-06 22:00:00 +01:00
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scr_vrect.height &= ~1;
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scr_vrect.y = scr_vrect.x = 0;
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}
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2007-06-21 22:00:00 +02:00
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/*
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================
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V_TestEntities
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If cl_testentities is set, create 32 player models
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================
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*/
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2008-08-02 22:00:00 +02:00
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void V_TestEntities( void )
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2007-06-21 22:00:00 +02:00
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{
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2008-07-17 22:00:00 +02:00
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int i, j;
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2007-06-21 22:00:00 +02:00
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float f, r;
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2008-08-02 22:00:00 +02:00
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entity_state_t ent;
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2007-06-21 22:00:00 +02:00
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2008-08-02 22:00:00 +02:00
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memset( &ent, 0, sizeof(entity_state_t));
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cl.refdef.num_entities = 0;
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2007-06-21 22:00:00 +02:00
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2008-08-02 22:00:00 +02:00
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for( i = 0; i < 32; i++ )
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2007-06-21 22:00:00 +02:00
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{
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2008-07-17 22:00:00 +02:00
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r = 64 * ((i%4) - 1.5 );
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2007-06-21 22:00:00 +02:00
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f = 64 * (i/4) + 128;
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2008-07-17 22:00:00 +02:00
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for( j = 0; j < 3; j++ )
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2008-08-02 22:00:00 +02:00
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ent.origin[j] = cl.refdef.vieworg[j] + cl.v_forward[j] * f + cl.v_right[j] * r;
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ent.model.controller[0] = ent.model.controller[1] = 90.0f;
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ent.model.controller[2] = ent.model.controller[3] = 180.0f;
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ent.model.index = cl.frame.ps.model.index;
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re->AddRefEntity( &cl.refdef, &ent, NULL, 1.0f );
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2007-06-21 22:00:00 +02:00
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}
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}
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/*
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================
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V_TestLights
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If cl_testlights is set, create 32 lights models
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================
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*/
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2008-08-02 22:00:00 +02:00
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void V_TestLights( void )
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2007-06-21 22:00:00 +02:00
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{
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2008-08-02 22:00:00 +02:00
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int i, j;
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2007-06-21 22:00:00 +02:00
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float f, r;
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2008-08-02 22:00:00 +02:00
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cdlight_t dl;
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2007-06-21 22:00:00 +02:00
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2008-08-02 22:00:00 +02:00
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cl.refdef.num_dlights = 0;
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memset( &dl, 0, sizeof(cdlight_t));
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2007-06-21 22:00:00 +02:00
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2008-08-02 22:00:00 +02:00
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for( i = 0; i < 32; i++ )
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2007-06-21 22:00:00 +02:00
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{
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r = 64 * ( (i%4) - 1.5 );
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f = 64 * (i/4) + 128;
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2008-08-02 22:00:00 +02:00
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for( j = 0; j < 3; j++ )
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dl.origin[j] = cl.refdef.vieworg[j] + cl.v_forward[j] * f + cl.v_right[j] * r;
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dl.color[0] = ((i%6)+1) & 1;
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dl.color[1] = (((i%6)+1) & 2)>>1;
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dl.color[2] = (((i%6)+1) & 4)>>2;
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dl.radius = 200;
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re->AddDynLight( &cl.refdef, dl.origin, dl.color, dl.radius );
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2007-06-21 22:00:00 +02:00
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}
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}
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/*
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====================
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2008-06-28 22:00:00 +02:00
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V_CalcFov
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2007-06-21 22:00:00 +02:00
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====================
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*/
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2008-06-28 22:00:00 +02:00
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float V_CalcFov( float fov_x, float width, float height )
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2007-06-21 22:00:00 +02:00
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{
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2008-01-12 22:00:00 +01:00
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float fov_y, x, rad = 360.0f * M_PI;
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2007-06-21 22:00:00 +02:00
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2008-08-02 22:00:00 +02:00
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// check to avoid division by zero
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if( fov_x == 0 ) Host_Error( "V_CalcFov: null fov!\n" );
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// make sure that fov in-range
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2008-01-12 22:00:00 +01:00
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fov_x = bound( 1, fov_x, 179 );
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x = width / tan( fov_x / rad );
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fov_y = atan2( height, x );
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fov_y = (fov_y * rad);
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2007-06-21 22:00:00 +02:00
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2008-01-12 22:00:00 +01:00
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return fov_y;
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2007-06-21 22:00:00 +02:00
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}
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//============================================================================
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/*
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==================
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V_RenderView
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==================
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*/
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2007-11-05 22:00:00 +01:00
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void V_RenderView( void )
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2007-06-21 22:00:00 +02:00
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{
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2008-08-03 22:00:00 +02:00
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if( !cl.video_prepped ) return; // still loading
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2007-06-21 22:00:00 +02:00
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// an invalid frame will just use the exact previous refdef
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// we can't use the old frame if the video mode has changed, though...
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if ( cl.frame.valid && (cl.force_refdef || !cl_paused->value) )
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{
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cl.force_refdef = false;
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2008-08-02 22:00:00 +02:00
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V_ClearScene();
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2007-06-21 22:00:00 +02:00
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// build a refresh entity list and calc cl.sim*
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// this also calls CL_CalcViewValues which loads
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// v_forward, etc.
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2008-07-11 22:00:00 +02:00
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CL_VM_Begin();
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2007-06-21 22:00:00 +02:00
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CL_AddEntities ();
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2008-08-02 22:00:00 +02:00
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if( cl_testentities->value ) V_TestEntities();
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if( cl_testlights->value ) V_TestLights();
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if( cl_testblend->value)
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2007-06-21 22:00:00 +02:00
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{
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cl.refdef.blend[0] = 1;
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cl.refdef.blend[1] = 0.5;
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cl.refdef.blend[2] = 0.25;
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2008-08-02 22:00:00 +02:00
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cl.refdef.blend[3] = 0.8;
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2007-06-21 22:00:00 +02:00
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}
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// never let it sit exactly on a node line, because a water plane can
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// dissapear when viewed with the eye exactly on it.
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2008-08-01 22:00:00 +02:00
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// the server protocol only specifies to 1/16 pixel, so add 1/32 in each axis
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cl.refdef.vieworg[0] += 1.0 / 32;
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cl.refdef.vieworg[1] += 1.0 / 32;
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cl.refdef.vieworg[2] += 1.0 / 32;
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2007-06-21 22:00:00 +02:00
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2008-08-02 22:00:00 +02:00
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Mem_Copy( &cl.refdef.rect, &scr_vrect, sizeof(vrect_t));
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cl.refdef.areabits = cl.frame.areabits;
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cl.refdef.rdflags = cl.frame.ps.renderfx;
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cl.refdef.fov_y = V_CalcFov( cl.refdef.fov_x, cl.refdef.rect.width, cl.refdef.rect.height );
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cl.refdef.time = cls.realtime * 0.001f; // render use realtime now
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2007-06-21 22:00:00 +02:00
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}
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2008-08-02 22:00:00 +02:00
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re->RenderFrame( &cl.refdef );
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2007-06-21 22:00:00 +02:00
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}
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2007-11-06 22:00:00 +01:00
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/*
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==================
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V_PreRender
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==================
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*/
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bool V_PreRender( void )
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{
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2008-05-18 22:00:00 +02:00
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// too early
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2008-08-02 22:00:00 +02:00
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if( !re ) return false;
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2007-11-06 22:00:00 +01:00
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re->BeginFrame();
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2007-11-13 22:00:00 +01:00
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SCR_FillRect( 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, g_color_table[0] );
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2007-11-06 22:00:00 +01:00
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return true;
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}
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/*
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==================
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V_PostRender
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==================
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*/
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void V_PostRender( void )
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{
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2008-06-28 22:00:00 +02:00
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UI_Draw();
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2008-06-30 22:00:00 +02:00
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Con_DrawConsole();
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2007-11-06 22:00:00 +01:00
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re->EndFrame();
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2008-07-17 22:00:00 +02:00
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}
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