diff options
Diffstat (limited to 'utils/vbsp/glfile.cpp')
| -rw-r--r-- | utils/vbsp/glfile.cpp | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/utils/vbsp/glfile.cpp b/utils/vbsp/glfile.cpp new file mode 100644 index 0000000..361d40b --- /dev/null +++ b/utils/vbsp/glfile.cpp @@ -0,0 +1,219 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +// $NoKeywords: $ +// +//=============================================================================// + +#include "vbsp.h" + +int c_glfaces; + +int PortalVisibleSides (portal_t *p) +{ + int fcon, bcon; + + if (!p->onnode) + return 0; // outside + + fcon = p->nodes[0]->contents; + bcon = p->nodes[1]->contents; + + // same contents never create a face + if (fcon == bcon) + return 0; + + // FIXME: is this correct now? + if (!fcon) + return 1; + if (!bcon) + return 2; + return 0; +} + +void OutputWinding (winding_t *w, FileHandle_t glview) +{ + static int level = 128; + vec_t light; + int i; + + CmdLib_FPrintf( glview, "%i\n", w->numpoints); + level+=28; + light = (level&255)/255.0; + for (i=0 ; i<w->numpoints ; i++) + { + CmdLib_FPrintf(glview, "%6.3f %6.3f %6.3f %6.3f %6.3f %6.3f\n", + w->p[i][0], + w->p[i][1], + w->p[i][2], + light, + light, + light); + } + //CmdLib_FPrintf(glview, "\n"); +} + +void OutputWindingColor (winding_t *w, FileHandle_t glview, int r, int g, int b) +{ + int i; + + CmdLib_FPrintf( glview, "%i\n", w->numpoints); + float lr = r * (1.0f/255.0f); + float lg = g * (1.0f/255.0f); + float lb = b * (1.0f/255.0f); + for (i=0 ; i<w->numpoints ; i++) + { + CmdLib_FPrintf(glview, "%6.3f %6.3f %6.3f %6.3f %6.3f %6.3f\n", + w->p[i][0], + w->p[i][1], + w->p[i][2], + lr, + lg, + lb); + } + //CmdLib_FPrintf(glview, "\n"); +} + +/* +============= +OutputPortal +============= +*/ +void OutputPortal (portal_t *p, FileHandle_t glview) +{ + winding_t *w; + int sides; + + sides = PortalVisibleSides (p); + if (!sides) + return; + + c_glfaces++; + + w = p->winding; + + if (sides == 2) // back side + w = ReverseWinding (w); + + OutputWinding (w, glview); + + if (sides == 2) + FreeWinding(w); +} + +/* +============= +WriteGLView_r +============= +*/ +void WriteGLView_r (node_t *node, FileHandle_t glview) +{ + portal_t *p, *nextp; + + if (node->planenum != PLANENUM_LEAF) + { + WriteGLView_r (node->children[0], glview); + WriteGLView_r (node->children[1], glview); + return; + } + + // write all the portals + for (p=node->portals ; p ; p=nextp) + { + if (p->nodes[0] == node) + { + OutputPortal (p, glview); + nextp = p->next[0]; + } + else + nextp = p->next[1]; + } +} + + +void WriteGLViewFaces_r( node_t *node, FileHandle_t glview ) +{ + portal_t *p, *nextp; + + if (node->planenum != PLANENUM_LEAF) + { + WriteGLViewFaces_r (node->children[0], glview); + WriteGLViewFaces_r (node->children[1], glview); + return; + } + + // write all the portals + for (p=node->portals ; p ; p=nextp) + { + int s = (p->nodes[1] == node); + + if ( p->face[s] ) + { + OutputWinding( p->face[s]->w, glview ); + } + nextp = p->next[s]; + } +} + +/* +============= +WriteGLView +============= +*/ +void WriteGLView (tree_t *tree, char *source) +{ + char name[1024]; + FileHandle_t glview; + + c_glfaces = 0; + sprintf (name, "%s%s.gl",outbase, source); + Msg("Writing %s\n", name); + + glview = g_pFileSystem->Open( name, "w" ); + if (!glview) + Error ("Couldn't open %s", name); + WriteGLView_r (tree->headnode, glview); + g_pFileSystem->Close( glview ); + + Msg("%5i c_glfaces\n", c_glfaces); +} + + +void WriteGLViewFaces( tree_t *tree, const char *pName ) +{ + char name[1024]; + FileHandle_t glview; + + c_glfaces = 0; + sprintf (name, "%s%s.gl", outbase, pName); + Msg("Writing %s\n", name); + + glview = g_pFileSystem->Open( name, "w" ); + if (!glview) + Error ("Couldn't open %s", name); + WriteGLViewFaces_r (tree->headnode, glview); + g_pFileSystem->Close( glview ); + + Msg("%5i c_glfaces\n", c_glfaces); +} + + +void WriteGLViewBrushList( bspbrush_t *pList, const char *pName ) +{ + char name[1024]; + FileHandle_t glview; + + sprintf (name, "%s%s.gl", outbase, pName ); + Msg("Writing %s\n", name); + + glview = g_pFileSystem->Open( name, "w" ); + if (!glview) + Error ("Couldn't open %s", name); + for ( bspbrush_t *pBrush = pList; pBrush; pBrush = pBrush->next ) + { + for (int i = 0; i < pBrush->numsides; i++ ) + OutputWinding( pBrush->sides[i].winding, glview ); + } + g_pFileSystem->Close( glview ); +} |