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