plugins/model/cpicosurface.cpp

   1 /*\r
   2 Copyright (C) 1999-2007 id Software, Inc. and contributors.\r
   3 For a list of contributors, see the accompanying CONTRIBUTORS file.\r
   4 \r
   5 This file is part of GtkRadiant.\r
   6 \r
   7 GtkRadiant is free software; you can redistribute it and/or modify\r
   8 it under the terms of the GNU General Public License as published by\r
   9 the Free Software Foundation; either version 2 of the License, or\r
  10 (at your option) any later version.\r
  11 \r
  12 GtkRadiant is distributed in the hope that it will be useful,\r
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  15 GNU General Public License for more details.\r
  16 \r
  17 You should have received a copy of the GNU General Public License\r
  18 along with GtkRadiant; if not, write to the Free Software\r
  19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA\r
  20 */\r
  21 \r
  22 #include "cpicosurface.h"\r
  23 \r
  24 // public\r
  25 \r
  26 CPicoSurface::CPicoSurface(picoSurface_t *pSurface)\r
  27 {\r
  28   refCount = 1;\r
  29 \r
  30   m_pSurface = pSurface;\r
  31 \r
  32   // PicoFixSurfaceNormals( pSurface );\r
  33         \r
  34   AccumulateBBox();\r
  35 \r
  36   m_shader = QERApp_Shader_ForName(GetShaderName());\r
  37 }\r
  38 \r
  39 CPicoSurface::~CPicoSurface()\r
  40 {\r
  41   m_shader->DecRef();\r
  42 }\r
  43 \r
  44 void CPicoSurface::Draw(int state, int rflags)\r
  45 {\r
  46   Draw(state, m_shader, rflags);\r
  47 }\r
  48 \r
  49 void CPicoSurface::Draw(int state, IShader *pShader, int rflags)\r
  50 {\r
  51   int j;\r
  52 \r
  53   if( !(rflags & (DRAW_RF_SEL_OUTLINE|DRAW_RF_SEL_FILL|DRAW_RF_XY)) )\r
  54   {\r
  55     if(state & DRAW_GL_TEXTURE_2D)\r
  56     {\r
  57       g_QglTable.m_pfn_qglBindTexture(GL_TEXTURE_2D, pShader->getTexture()->texture_number);\r
  58       if( (rflags & DRAW_RF_CAM) && (pShader->getFlags() & QER_ALPHAFUNC) ) {\r
  59         int nFunc = 0;\r
  60         float fRef = 0.f;\r
  61 \r
  62         g_QglTable.m_pfn_qglColor4f( 1.f, 1.f, 1.f, 1.f ); // identity\r
  63 \r
  64         g_QglTable.m_pfn_qglEnable( GL_ALPHA_TEST );\r
  65 \r
  66         pShader->getAlphaFunc( &nFunc, &fRef );\r
  67               g_QglTable.m_pfn_qglAlphaFunc( nFunc, fRef );\r
  68       }\r
  69     }\r
  70     else\r
  71     {\r
  72       //g_QglTable.m_pfn_qglColor3fv( pShader->getTexture()->color );\r
  73 /*      g_QglTable.m_pfn_qglEnableClientState(GL_COLOR_ARRAY);*/\r
  74     }\r
  75 \r
  76     if( !(state & DRAW_GL_WIRE) && (pShader->getFlags() & QER_CULL) )\r
  77     {\r
  78       if( pShader->getCull() == 2 )\r
  79       {\r
  80         g_QglTable.m_pfn_qglDisable( GL_CULL_FACE );\r
  81         g_QglTable.m_pfn_qglPolygonMode (GL_FRONT, GL_FILL);\r
  82       }\r
  83       else // is 1\r
  84       {\r
  85         g_QglTable.m_pfn_qglCullFace( GL_BACK );\r
  86       }\r
  87     }\r
  88   }\r
  89 \r
  90   switch( PicoGetSurfaceType(m_pSurface) )\r
  91   {\r
  92   case PICO_TRIANGLES:  g_QglTable.m_pfn_qglBegin(GL_TRIANGLES);\r
  93                         for (j=0; j<PicoGetSurfaceNumIndexes(m_pSurface); j++)\r
  94                         {\r
  95                               g_QglTable.m_pfn_qglNormal3fv(PicoGetSurfaceNormal(m_pSurface,PicoGetSurfaceIndex(m_pSurface,j)));\r
  96                                                         \r
  97                                                   if( !(rflags & (DRAW_RF_SEL_OUTLINE|DRAW_RF_SEL_FILL|DRAW_RF_XY)) ) {\r
  98                             if(state & DRAW_GL_TEXTURE_2D) {\r
  99                               g_QglTable.m_pfn_qglTexCoord2fv(PicoGetSurfaceST(m_pSurface,0,PicoGetSurfaceIndex(m_pSurface,j)));\r
 100                                                         } else {\r
 101                               picoByte_t *vertexColor = PicoGetSurfaceColor(m_pSurface,0,PicoGetSurfaceIndex(m_pSurface,j));\r
 102                               //% g_QglTable.m_pfn_qglColor4f( vertexColor[ 0 ] / 255.f,\r
 103                               //%                              vertexColor[ 1 ] / 255.f,\r
 104                               //%                              vertexColor[ 2 ] / 255.f,\r
 105                               //%                              vertexColor[ 3 ] / 255.f );\r
 106                               g_QglTable.m_pfn_qglColor4ubv( vertexColor );\r
 107                             }\r
 108                                                   }\r
 109                           g_QglTable.m_pfn_qglVertex3fv( PicoGetSurfaceXYZ( m_pSurface, PicoGetSurfaceIndex( m_pSurface, j ) ) );\r
 110                         }\r
 111                         g_QglTable.m_pfn_qglEnd();\r
 112                         /*g_QglTable.m_pfn_qglVertexPointer( 3, GL_FLOAT, 0, PicoGetSurfaceXYZ( m_pSurface, 0 ) );\r
 113                                                 g_QglTable.m_pfn_qglNormalPointer( GL_FLOAT, 0, PicoGetSurfaceNormal( m_pSurface, 0 ) );\r
 114                                                 if( !(rflags & (DRAW_RF_SEL_OUTLINE|DRAW_RF_SEL_FILL|DRAW_RF_XY)) ) {\r
 115                           if( state & DRAW_GL_TEXTURE_2D ) {\r
 116                                                     g_QglTable.m_pfn_qglTexCoordPointer( 2, GL_FLOAT, 0, PicoGetSurfaceST( m_pSurface, 0, 0 ) );                            \r
 117                                                   } else {\r
 118                             g_QglTable.m_pfn_qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, PicoGetSurfaceColor( m_pSurface, 0, 0 ) );\r
 119                                                   }\r
 120                                                 }\r
 121                                                 g_QglTable.m_pfn_qglDrawElements( GL_TRIANGLES, PicoGetSurfaceNumIndexes( m_pSurface ), GL_UNSIGNED_INT, PicoGetSurfaceIndexes( m_pSurface, 0 ) );*/\r
 122 \r
 123                         /*g_QglTable.m_pfn_qglColor3f( 0.f, .5f, 1.f );\r
 124                                                 g_QglTable.m_pfn_qglBegin( GL_LINES );\r
 125                                                 for( int i = 0; i < PicoGetSurfaceNumIndexes( m_pSurface ); i++ ) {\r
 126                                                   vec3_t outerpoint;\r
 127                                                   VectorMA( PicoGetSurfaceXYZ( m_pSurface, PicoGetSurfaceIndex( m_pSurface, i ) ), .3f, PicoGetSurfaceNormal( m_pSurface, PicoGetSurfaceIndex( m_pSurface, i ) ), outerpoint );\r
 128                                                   g_QglTable.m_pfn_qglVertex3fv( PicoGetSurfaceXYZ( m_pSurface, PicoGetSurfaceIndex( m_pSurface, i ) ) );\r
 129                                                   g_QglTable.m_pfn_qglVertex3fv( outerpoint );\r
 130                                                 }\r
 131                                                 g_QglTable.m_pfn_qglEnd();*/\r
 132 \r
 133                         break;\r
 134   default:              Sys_Printf( "ERROR: Unsupported Pico Surface Type: %i", PicoGetSurfaceType(m_pSurface) );\r
 135                         break;\r
 136   }\r
 137 \r
 138   if( !(rflags & (DRAW_RF_SEL_OUTLINE|DRAW_RF_SEL_FILL|DRAW_RF_XY)) )\r
 139   {\r
 140     if( (state & DRAW_GL_TEXTURE_2D) && (rflags & DRAW_RF_CAM) && (pShader->getFlags() & QER_ALPHAFUNC) ) {\r
 141       g_QglTable.m_pfn_qglDisable( GL_ALPHA_TEST );\r
 142     }\r
 143 \r
 144 /*      if(!(state & DRAW_GL_TEXTURE_2D)) {\r
 145       g_QglTable.m_pfn_qglDisableClientState(GL_COLOR_ARRAY);\r
 146         }*/\r
 147 \r
 148     if( !(state & DRAW_GL_WIRE) && (pShader->getFlags() & QER_CULL) )\r
 149     {\r
 150       if( pShader->getCull() == 2 )\r
 151       {\r
 152         g_QglTable.m_pfn_qglPolygonMode (GL_FRONT, GL_LINE);\r
 153         g_QglTable.m_pfn_qglEnable( GL_CULL_FACE );\r
 154       }\r
 155       else // is 1\r
 156       {\r
 157         g_QglTable.m_pfn_qglCullFace( GL_FRONT );\r
 158       }\r
 159     }\r
 160   }\r
 161 }\r
 162 \r
 163 // private\r
 164 \r
 165 void CPicoSurface::AccumulateBBox()\r
 166 {\r
 167   int i;\r
 168   picoVec_t *p;\r
 169   aabb_clear(&m_BBox);\r
 170   for (i=0; i<PicoGetSurfaceNumVertexes(m_pSurface); i++)\r
 171   {\r
 172     p=PicoGetSurfaceXYZ(m_pSurface,i);\r
 173     aabb_extend_by_point(&m_BBox, p);\r
 174   }\r
 175   aabb_update_radius(&m_BBox);\r
 176 }\r
 177 \r
 178 bool CPicoSurface::TestRay (const ray_t *ray, vec_t *dist) const\r
 179 {\r
 180   int i;\r
 181   vec_t start_dist = *dist;\r
 182   vec_t local_dist = *dist;\r
 183   if (aabb_intersect_ray(&m_BBox, ray, &local_dist))\r
 184   {\r
 185     switch( PicoGetSurfaceType(m_pSurface) )\r
 186     {\r
 187     case PICO_TRIANGLES:\r
 188       for (i=0; i<PicoGetSurfaceNumIndexes(m_pSurface); i+=3)\r
 189       {\r
 190                     local_dist = ray_intersect_triangle(ray, true, PicoGetSurfaceXYZ(m_pSurface,PicoGetSurfaceIndex(m_pSurface,i+2)),\r
 191                                               PicoGetSurfaceXYZ(m_pSurface,PicoGetSurfaceIndex(m_pSurface,i+1)),\r
 192                                               PicoGetSurfaceXYZ(m_pSurface,PicoGetSurfaceIndex(m_pSurface,i)));\r
 193                     if (local_dist < *dist)\r
 194           *dist = local_dist;\r
 195       }\r
 196       break;\r
 197     default:\r
 198       Sys_Printf( "ERROR: Unsupported Pico Surface Type: %i", PicoGetSurfaceType(m_pSurface) );\r
 199       break;\r
 200     }\r
 201   }\r
 202         return (*dist < start_dist);\r
 203 }\r