From 952c5c128f9efaea89d41d882c4ea3ade7df4591 Mon Sep 17 00:00:00 2001
From: zakk <zakk@edf5b092-35ff-0310-97b2-ce42778d08ea>
Date: Fri, 26 Aug 2005 04:48:05 +0000
Subject: Itsa me, quake3io!

git-svn-id: svn://svn.icculus.org/quake3/trunk@2 edf5b092-35ff-0310-97b2-ce42778d08ea
---
 q3map/light.h | 151 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100755 q3map/light.h

(limited to 'q3map/light.h')

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;
+
+
-- 
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