mirror of
https://github.com/UberGames/GtkRadiant.git
synced 2024-11-29 07:02:26 +00:00
211 lines
7.2 KiB
C++
211 lines
7.2 KiB
C++
/*
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Copyright (C) 1999-2007 id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant 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 2 of the License, or
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(at your option) any later version.
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GtkRadiant 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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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "cpicosurface.h"
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// public
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CPicoSurface::CPicoSurface( picoSurface_t *pSurface ){
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refCount = 1;
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m_pSurface = pSurface;
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// PicoFixSurfaceNormals( pSurface );
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AccumulateBBox();
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m_shader = QERApp_Shader_ForName( GetShaderName() );
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// jdolan: If the shader fails to load, try skin.tga in the model's
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// directory as a fall-back. This is a hack for malformed models.
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if ( m_shader->IsDefault() ) {
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gchar *dir = g_path_get_dirname( m_pSurface->model->name );
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gchar *skin = g_strdup_printf( "%s/skin.tga", dir );
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m_shader->DecRef();
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m_shader = QERApp_Shader_ForName( skin );
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g_free( skin );
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g_free( dir );
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}
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}
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CPicoSurface::~CPicoSurface(){
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m_shader->DecRef();
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}
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void CPicoSurface::Draw( int state, int rflags ){
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Draw( state, m_shader, rflags );
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}
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void CPicoSurface::Draw( int state, IShader *pShader, int rflags ){
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int j;
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if ( !( rflags & ( DRAW_RF_SEL_OUTLINE | DRAW_RF_SEL_FILL | DRAW_RF_XY ) ) ) {
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if ( state & DRAW_GL_TEXTURE_2D ) {
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bool bTrans = ( pShader->getFlags() & QER_TRANS ) == QER_TRANS;
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bool bDrawBlend = ( state & DRAW_GL_BLEND ) == DRAW_GL_BLEND;
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//only draw transparent stuff when in transparent stuff pass and vice versa
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if(bTrans != bDrawBlend) {
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return;
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}
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g_QglTable.m_pfn_qglBindTexture( GL_TEXTURE_2D, pShader->getTexture()->texture_number );
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if ( ( rflags & DRAW_RF_CAM ) && ( pShader->getFlags() & QER_ALPHAFUNC ) ) {
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int nFunc = 0;
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float fRef = 0.f;
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g_QglTable.m_pfn_qglColor4f( 1.f, 1.f, 1.f, pShader->getTrans() ); // transparency
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g_QglTable.m_pfn_qglEnable( GL_ALPHA_TEST );
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pShader->getAlphaFunc( &nFunc, &fRef );
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g_QglTable.m_pfn_qglAlphaFunc( nFunc, fRef );
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}
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}
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else
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{
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//g_QglTable.m_pfn_qglColor3fv( pShader->getTexture()->color );
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/* g_QglTable.m_pfn_qglEnableClientState(GL_COLOR_ARRAY);*/
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}
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if ( !( state & DRAW_GL_WIRE ) && ( pShader->getFlags() & QER_CULL ) ) {
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if ( pShader->getCull() == 2 ) {
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g_QglTable.m_pfn_qglDisable( GL_CULL_FACE );
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g_QglTable.m_pfn_qglPolygonMode( GL_FRONT, GL_FILL );
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}
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else // is 1
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{
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g_QglTable.m_pfn_qglCullFace( GL_BACK );
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}
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}
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}
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switch ( PicoGetSurfaceType( m_pSurface ) )
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{
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case PICO_TRIANGLES: g_QglTable.m_pfn_qglBegin( GL_TRIANGLES );
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for ( j = 0; j < PicoGetSurfaceNumIndexes( m_pSurface ); j++ )
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{
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g_QglTable.m_pfn_qglNormal3fv( PicoGetSurfaceNormal( m_pSurface,PicoGetSurfaceIndex( m_pSurface,j ) ) );
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if ( !( rflags & ( DRAW_RF_SEL_OUTLINE | DRAW_RF_SEL_FILL | DRAW_RF_XY ) ) ) {
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if ( state & DRAW_GL_TEXTURE_2D ) {
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g_QglTable.m_pfn_qglTexCoord2fv( PicoGetSurfaceST( m_pSurface,0,PicoGetSurfaceIndex( m_pSurface,j ) ) );
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}
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else {
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picoByte_t *vertexColor = PicoGetSurfaceColor( m_pSurface,0,PicoGetSurfaceIndex( m_pSurface,j ) );
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//% g_QglTable.m_pfn_qglColor4f( vertexColor[ 0 ] / 255.f,
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//% vertexColor[ 1 ] / 255.f,
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//% vertexColor[ 2 ] / 255.f,
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//% vertexColor[ 3 ] / 255.f );
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g_QglTable.m_pfn_qglColor4ubv( vertexColor );
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}
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}
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g_QglTable.m_pfn_qglVertex3fv( PicoGetSurfaceXYZ( m_pSurface, PicoGetSurfaceIndex( m_pSurface, j ) ) );
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}
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g_QglTable.m_pfn_qglEnd();
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/*g_QglTable.m_pfn_qglVertexPointer( 3, GL_FLOAT, 0, PicoGetSurfaceXYZ( m_pSurface, 0 ) );
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g_QglTable.m_pfn_qglNormalPointer( GL_FLOAT, 0, PicoGetSurfaceNormal( m_pSurface, 0 ) );
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if( !(rflags & (DRAW_RF_SEL_OUTLINE|DRAW_RF_SEL_FILL|DRAW_RF_XY)) ) {
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if( state & DRAW_GL_TEXTURE_2D ) {
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g_QglTable.m_pfn_qglTexCoordPointer( 2, GL_FLOAT, 0, PicoGetSurfaceST( m_pSurface, 0, 0 ) );
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} else {
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g_QglTable.m_pfn_qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, PicoGetSurfaceColor( m_pSurface, 0, 0 ) );
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}
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}
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g_QglTable.m_pfn_qglDrawElements( GL_TRIANGLES, PicoGetSurfaceNumIndexes( m_pSurface ), GL_UNSIGNED_INT, PicoGetSurfaceIndexes( m_pSurface, 0 ) );*/
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/*g_QglTable.m_pfn_qglColor3f( 0.f, .5f, 1.f );
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g_QglTable.m_pfn_qglBegin( GL_LINES );
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for( int i = 0; i < PicoGetSurfaceNumIndexes( m_pSurface ); i++ ) {
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vec3_t outerpoint;
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VectorMA( PicoGetSurfaceXYZ( m_pSurface, PicoGetSurfaceIndex( m_pSurface, i ) ), .3f, PicoGetSurfaceNormal( m_pSurface, PicoGetSurfaceIndex( m_pSurface, i ) ), outerpoint );
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g_QglTable.m_pfn_qglVertex3fv( PicoGetSurfaceXYZ( m_pSurface, PicoGetSurfaceIndex( m_pSurface, i ) ) );
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g_QglTable.m_pfn_qglVertex3fv( outerpoint );
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}
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g_QglTable.m_pfn_qglEnd();*/
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break;
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default: Sys_Printf( "ERROR: Unsupported Pico Surface Type: %i", PicoGetSurfaceType( m_pSurface ) );
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break;
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}
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if ( !( rflags & ( DRAW_RF_SEL_OUTLINE | DRAW_RF_SEL_FILL | DRAW_RF_XY ) ) ) {
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if ( ( state & DRAW_GL_TEXTURE_2D ) && ( rflags & DRAW_RF_CAM ) && ( pShader->getFlags() & QER_ALPHAFUNC ) ) {
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g_QglTable.m_pfn_qglDisable( GL_ALPHA_TEST );
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}
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/* if(!(state & DRAW_GL_TEXTURE_2D)) {
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g_QglTable.m_pfn_qglDisableClientState(GL_COLOR_ARRAY);
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}*/
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if ( !( state & DRAW_GL_WIRE ) && ( pShader->getFlags() & QER_CULL ) ) {
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if ( pShader->getCull() == 2 ) {
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g_QglTable.m_pfn_qglPolygonMode( GL_FRONT, GL_LINE );
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g_QglTable.m_pfn_qglEnable( GL_CULL_FACE );
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}
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else // is 1
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{
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g_QglTable.m_pfn_qglCullFace( GL_FRONT );
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}
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}
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}
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}
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// private
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void CPicoSurface::AccumulateBBox(){
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int i;
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picoVec_t *p;
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aabb_clear( &m_BBox );
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for ( i = 0; i < PicoGetSurfaceNumVertexes( m_pSurface ); i++ )
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{
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p = PicoGetSurfaceXYZ( m_pSurface,i );
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aabb_extend_by_point( &m_BBox, p );
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}
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aabb_update_radius( &m_BBox );
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}
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bool CPicoSurface::TestRay( const ray_t *ray, vec_t *dist ) const {
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int i;
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vec_t start_dist = *dist;
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vec_t local_dist = *dist;
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if ( aabb_intersect_ray( &m_BBox, ray, &local_dist ) ) {
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switch ( PicoGetSurfaceType( m_pSurface ) )
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{
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case PICO_TRIANGLES:
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for ( i = 0; i < PicoGetSurfaceNumIndexes( m_pSurface ); i += 3 )
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{
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local_dist = ray_intersect_triangle( ray, true, PicoGetSurfaceXYZ( m_pSurface,PicoGetSurfaceIndex( m_pSurface,i + 2 ) ),
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PicoGetSurfaceXYZ( m_pSurface,PicoGetSurfaceIndex( m_pSurface,i + 1 ) ),
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PicoGetSurfaceXYZ( m_pSurface,PicoGetSurfaceIndex( m_pSurface,i ) ) );
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if ( local_dist < *dist ) {
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*dist = local_dist;
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}
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}
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break;
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default:
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Sys_Printf( "ERROR: Unsupported Pico Surface Type: %i", PicoGetSurfaceType( m_pSurface ) );
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break;
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}
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}
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return ( *dist < start_dist );
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}
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