mirror of
https://github.com/UberGames/GtkRadiant.git
synced 2024-11-14 16:31:36 +00:00
204 lines
7.3 KiB
C++
204 lines
7.3 KiB
C++
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/*
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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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{
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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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}
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CPicoSurface::~CPicoSurface()
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{
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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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{
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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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{
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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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{
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if(state & DRAW_GL_TEXTURE_2D)
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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, 1.f ); // identity
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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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{
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if( pShader->getCull() == 2 )
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{
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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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} 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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{
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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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{
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if( pShader->getCull() == 2 )
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{
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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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{
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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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{
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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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{
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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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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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