134 lines
3.9 KiB
C++
134 lines
3.9 KiB
C++
/*
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BobToolz plugin for GtkRadiant
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Copyright (C) 2001 Gordon Biggans
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; 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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// BobView.cpp: implementation of the DVisDrawer class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "DVisDrawer.h"
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#include "iglrender.h"
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#include "math/matrix.h"
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#include <list>
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#include "str.h"
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#include "DPoint.h"
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#include "misc.h"
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#include "funchandlers.h"
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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DVisDrawer::DVisDrawer(){
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m_list = NULL;
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constructShaders();
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GlobalShaderCache().attachRenderable( *this );
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}
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DVisDrawer::~DVisDrawer(){
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GlobalShaderCache().detachRenderable( *this );
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destroyShaders();
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ClearPoints();
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}
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//////////////////////////////////////////////////////////////////////
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// Implementation
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//////////////////////////////////////////////////////////////////////
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const char* g_state_solid = "$bobtoolz/visdrawer/solid";
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const char* g_state_wireframe = "$bobtoolz/visdrawer/wireframe";
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void DVisDrawer::constructShaders(){
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OpenGLState state;
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GlobalOpenGLStateLibrary().getDefaultState( state );
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state.m_sort = OpenGLState::eSortOverlayFirst;
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state.m_state = RENDER_COLOURWRITE | RENDER_DEPTHWRITE | RENDER_COLOURCHANGE;
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state.m_linewidth = 1;
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GlobalOpenGLStateLibrary().insert( g_state_wireframe, state );
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GlobalOpenGLStateLibrary().getDefaultState( state );
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state.m_depthfunc = GL_LEQUAL;
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state.m_state = RENDER_FILL | RENDER_BLEND | RENDER_COLOURWRITE | RENDER_COLOURCHANGE | RENDER_DEPTHTEST;
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GlobalOpenGLStateLibrary().insert( g_state_solid, state );
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m_shader_solid = GlobalShaderCache().capture( g_state_solid );
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m_shader_wireframe = GlobalShaderCache().capture( g_state_wireframe );
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}
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void DVisDrawer::destroyShaders(){
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GlobalShaderCache().release( g_state_solid );
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GlobalShaderCache().release( g_state_wireframe );
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GlobalOpenGLStateLibrary().erase( g_state_solid );
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GlobalOpenGLStateLibrary().erase( g_state_wireframe );
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}
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void DVisDrawer::render( RenderStateFlags state ) const {
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gl().glEnable( GL_POLYGON_OFFSET_FILL );
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for( const auto surf : *m_list ){
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const DMetaSurf& s = *surf;
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gl().glColor4f( s.colour[0], s.colour[1], s.colour[2], 0.5f );
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gl().glVertexPointer( 3, GL_FLOAT, sizeof( vec3_t ), s.verts );
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gl().glDrawElements( GL_TRIANGLES, GLsizei( s.indicesN ), GL_UNSIGNED_INT, s.indices );
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}
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gl().glDisable( GL_POLYGON_OFFSET_FILL );
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gl().glColor4f( 1, 1, 1, 1 );
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}
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void DVisDrawer::renderWireframe( Renderer& renderer, const VolumeTest& volume ) const {
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if ( !m_list ) {
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return;
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}
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renderer.SetState( m_shader_wireframe, Renderer::eWireframeOnly );
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renderer.addRenderable( *this, g_matrix4_identity );
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}
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void DVisDrawer::renderSolid( Renderer& renderer, const VolumeTest& volume ) const {
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if ( !m_list ) {
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return;
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}
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renderer.SetState( m_shader_solid, Renderer::eWireframeOnly );
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renderer.SetState( m_shader_solid, Renderer::eFullMaterials );
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renderer.addRenderable( *this, g_matrix4_identity );
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}
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void DVisDrawer::SetList( DMetaSurfaces* pointList ){
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ClearPoints();
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m_list = pointList;
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}
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void DVisDrawer::ClearPoints(){
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if ( m_list ) {
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for ( auto deadPoint : *m_list )
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delete deadPoint;
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m_list->clear();
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delete m_list;
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m_list = 0;
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}
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}
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