Itsa me, quake3io!

git-svn-id: svn://svn.icculus.org/quake3/trunk@2 edf5b092-35ff-0310-97b2-ce42778d08ea

1 files changed, 151 insertions, 0 deletions

diff --git a/q3map/light.h b/q3map/light.h
new file mode 100755
index 0000000..5faa24a
--- /dev/null
+++ b/q3map/light.h
@@ -0,0 +1,151 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena 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 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena 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 Foobar; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+

+#include "cmdlib.h"

+#include "mathlib.h"

+#include "bspfile.h"

+#include "polylib.h"

+#include "imagelib.h"

+#include "threads.h"

+#include "scriplib.h"

+

+#include "shaders.h"

+#include "mesh.h"

+

+

+

+typedef enum

+{

+	emit_point,

+	emit_area,

+	emit_spotlight,

+	emit_sun

+} emittype_t;

+

+#define	MAX_LIGHT_EDGES		8

+typedef struct light_s

+{

+	struct light_s *next;

+	emittype_t	type;

+	struct shaderInfo_s	*si;

+

+	vec3_t		origin;

+	vec3_t		normal;		// for surfaces, spotlights, and suns

+	float		dist;		// plane location along normal

+

+	qboolean	linearLight;

+	int			photons;

+	int			style;

+	vec3_t		color;

+	float		radiusByDist;	// for spotlights

+

+	qboolean	twosided;		// fog lights both sides

+

+	winding_t	*w;

+	vec3_t		emitColor;		// full out-of-gamut value

+} light_t;

+

+

+extern	float	lightscale;

+extern	float	ambient;

+extern	float	maxlight;

+extern	float	direct_scale;

+extern	float	entity_scale;

+

+extern	qboolean	noSurfaces;

+

+//===============================================================

+

+// light_trace.c

+

+// a facet is a subdivided element of a patch aproximation or model

+typedef struct cFacet_s {

+	float	surface[4];

+	int		numBoundaries;		// either 3 or 4, anything less is degenerate

+	float	boundaries[4][4];	// positive is outside the bounds

+

+	vec3_t	points[4];			// needed for area light subdivision

+

+	float	textureMatrix[2][4];	// compute texture coordinates at point of impact for translucency

+} cFacet_t;

+

+typedef struct {

+	vec3_t		mins, maxs;

+	vec3_t		origin;

+	float		radius;

+

+	qboolean	patch;

+

+	int			numFacets;

+	cFacet_t	*facets;

+

+	shaderInfo_t	*shader;		// for translucency

+} surfaceTest_t;

+

+

+typedef struct {

+	vec3_t		filter;				// starts out 1.0, 1.0, 1.0, may be reduced if

+									// transparent surfaces are crossed

+

+	vec3_t		hit;				// the impact point of a completely opaque surface

+	float		hitFraction;		// 0 = at start, 1.0 = at end

+	qboolean	passSolid;

+} trace_t;

+

+extern	surfaceTest_t	*surfaceTest[MAX_MAP_DRAW_SURFS];

+

+void	InitTrace( void );

+

+// traceWork_t is only a parameter to crutch up poor large local allocations on

+// winNT and macOS.  It should be allocated in the worker function, but never

+// looked at.

+typedef struct {

+	vec3_t		start, end;

+	int			numOpenLeafs;

+	int			openLeafNumbers[MAX_MAP_LEAFS];

+	trace_t		*trace;

+	int			patchshadows;

+} traceWork_t;

+

+void TraceLine( const vec3_t start, const vec3_t stop, trace_t *trace,

+			   qboolean testAll, traceWork_t *tw );

+qboolean PointInSolid( vec3_t start );

+

+//===============================================================

+

+//===============================================================

+

+

+typedef struct {

+	int		textureNum;

+	int		x, y, width, height;

+

+	// for patches

+	qboolean	patch;

+	mesh_t		mesh;

+

+	// for faces

+	vec3_t	origin;

+	vec3_t	vecs[3];

+} lightmap_t;

+

+