The source release of the qutils.

qutils/LIGHT/LIGHT.C

@@ -0,0 +1,146 @@
+// lighting.c
+
+#include "light.h"
+
+/*
+
+NOTES
+-----
+
+*/
+
+float		scaledist = 1.0;
+float		scalecos = 0.5;
+float		rangescale = 0.5;
+
+byte		*filebase, *file_p, *file_end;
+
+dmodel_t	*bspmodel;
+int			bspfileface;	// next surface to dispatch
+
+vec3_t	bsp_origin;
+
+qboolean	extrasamples;
+
+float		minlights[MAX_MAP_FACES];
+
+
+byte *GetFileSpace (int size)
+{
+	byte	*buf;
+	
+	LOCK;
+	file_p = (byte *)(((long)file_p + 3)&~3);
+	buf = file_p;
+	file_p += size;
+	UNLOCK;
+	if (file_p > file_end)
+		Error ("GetFileSpace: overrun");
+	return buf;
+}
+
+
+void LightThread (void *junk)
+{
+	int			i;
+	
+	while (1)
+	{
+		LOCK;
+		i = bspfileface++;
+		UNLOCK;
+		if (i >= numfaces)
+			return;
+		
+		LightFace (i);
+	}
+}
+
+/*
+=============
+LightWorld
+=============
+*/
+void LightWorld (void)
+{
+	filebase = file_p = dlightdata;
+	file_end = filebase + MAX_MAP_LIGHTING;
+
+	RunThreadsOn (LightThread);
+
+	lightdatasize = file_p - filebase;
+	
+	printf ("lightdatasize: %i\n", lightdatasize);
+}
+
+
+/*
+========
+main
+
+light modelfile
+========
+*/
+int main (int argc, char **argv)
+{
+	int		i;
+	double		start, end;
+	char		source[1024];
+
+	printf ("----- LightFaces ----\n");
+
+	for (i=1 ; i<argc ; i++)
+	{
+		if (!strcmp(argv[i],"-threads"))
+		{
+			numthreads = atoi (argv[i+1]);
+			i++;
+		}
+		else if (!strcmp(argv[i],"-extra"))
+		{
+			extrasamples = true;
+			printf ("extra sampling enabled\n");
+		}
+		else if (!strcmp(argv[i],"-dist"))
+		{
+			scaledist = atof (argv[i+1]);
+			i++;
+		}
+		else if (!strcmp(argv[i],"-range"))
+		{
+			rangescale = atof (argv[i+1]);
+			i++;
+		}
+		else if (argv[i][0] == '-')
+			Error ("Unknown option \"%s\"", argv[i]);
+		else
+			break;
+	}
+
+	if (i != argc - 1)
+		Error ("usage: light [-threads num] [-extra] bspfile");
+
+	InitThreads ();
+
+	start = I_FloatTime ();
+
+	strcpy (source, argv[i]);
+	StripExtension (source);
+	DefaultExtension (source, ".bsp");
+	
+	LoadBSPFile (source);
+	LoadEntities ();
+		
+	MakeTnodes (&dmodels[0]);
+
+	LightWorld ();
+
+	WriteEntitiesToString ();	
+	WriteBSPFile (source);
+
+	end = I_FloatTime ();
+	printf ("%5.1f seconds elapsed\n", end-start);
+	
+	return 0;
+}
+