hello world

neo/tools/compilers/dmap/glfile.cpp

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+/*
+===========================================================================
+
+Doom 3 GPL Source Code
+Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  
+
+Doom 3 Source Code is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Doom 3 Source Code is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+
+#include "../../../idlib/precompiled.h"
+#pragma hdrstop
+
+#include "dmap.h"
+
+int		c_glfaces;
+
+int PortalVisibleSides( uPortal_t *p )
+{
+	int		fcon, bcon;
+
+	if (!p->onnode)
+		return 0;		// outside
+
+	fcon = p->nodes[0]->opaque;
+	bcon = p->nodes[1]->opaque;
+
+	// same contents never create a face
+	if (fcon == bcon)
+		return 0;
+
+	if (!fcon)
+		return 1;
+	if (!bcon)
+		return 2;
+	return 0;
+}
+
+void OutputWinding( idWinding *w, idFile *glview )
+{
+	static	int	level = 128;
+	float		light;
+	int			i;
+
+	glview->WriteFloatString( "%i\n", w->GetNumPoints() );
+	level += 28;
+	light = (level&255)/255.0;
+	for ( i = 0; i < w->GetNumPoints(); i++ ) {
+		glview->WriteFloatString( "%6.3f %6.3f %6.3f %6.3f %6.3f %6.3f\n",
+			(*w)[i][0],
+			(*w)[i][1],
+			(*w)[i][2],
+			light,
+			light,
+			light );
+	}
+	glview->WriteFloatString( "\n" );
+}
+
+/*
+=============
+OutputPortal
+=============
+*/
+void OutputPortal( uPortal_t *p, idFile *glview ) {
+	idWinding	*w;
+	int		sides;
+
+	sides = PortalVisibleSides( p );
+	if ( !sides ) {
+		return;
+	}
+
+	c_glfaces++;
+
+	w = p->winding;
+
+	if ( sides == 2 ) {		// back side
+		w = w->Reverse();
+	}
+
+	OutputWinding( w, glview );
+
+	if ( sides == 2 ) {
+		delete w;
+	}
+}
+
+/*
+=============
+WriteGLView_r
+=============
+*/
+void WriteGLView_r( node_t *node, idFile *glview )
+{
+	uPortal_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];
+		}
+	}
+}
+
+/*
+=============
+WriteGLView
+=============
+*/
+void WriteGLView( tree_t *tree, char *source )
+{
+	idFile *glview;
+
+	c_glfaces = 0;
+	common->Printf( "Writing %s\n", source );
+
+	glview = fileSystem->OpenExplicitFileWrite( source );
+	if ( !glview ) {
+		common->Error( "Couldn't open %s", source );
+	}
+	WriteGLView_r( tree->headnode, glview );
+	fileSystem->CloseFile( glview );
+
+	common->Printf( "%5i c_glfaces\n", c_glfaces );
+}
+