hello world

2026-03-20 08:59:56 +01:00 · 2011-11-22 15:28:15 -06:00
commit fb1609f554
2155 changed files with 1017022 additions and 0 deletions
--- a/neo/renderer/ModelDecal.h
+++ b/neo/renderer/ModelDecal.h
@@ -0,0 +1,116 @@
+/*
+===========================================================================
+
+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.
+
+===========================================================================
+*/
+
+#ifndef __MODELDECAL_H__
+#define __MODELDECAL_H__
+
+/*
+===============================================================================
+
+	Decals are lightweight primitives for bullet / blood marks.
+	Decals with common materials will be merged together, but additional
+	decals will be allocated as needed. The material should not be
+	one that receives lighting, because no interactions are generated
+	for these lightweight surfaces.
+
+	FIXME:	Decals on models in portalled off areas do not get freed
+			until the area becomes visible again.
+
+===============================================================================
+*/
+
+const int NUM_DECAL_BOUNDING_PLANES = 6;
+
+typedef struct decalProjectionInfo_s {
+	idVec3						projectionOrigin;
+	idBounds					projectionBounds;
+	idPlane						boundingPlanes[6];
+	idPlane						fadePlanes[2];
+	idPlane						textureAxis[2];
+	const idMaterial *			material;
+	bool						parallel;
+	float						fadeDepth;
+	int							startTime;
+	bool						force;
+} decalProjectionInfo_t;
+
+
+class idRenderModelDecal {
+public:
+								idRenderModelDecal( void );
+								~idRenderModelDecal( void );
+
+	static idRenderModelDecal *	Alloc( void );
+	static void					Free( idRenderModelDecal *decal );
+
+								// Creates decal projection info.
+	static bool					CreateProjectionInfo( decalProjectionInfo_t &info, const idFixedWinding &winding, const idVec3 &projectionOrigin, const bool parallel, const float fadeDepth, const idMaterial *material, const int startTime );
+
+								// Transform the projection info from global space to local.
+	static void					GlobalProjectionInfoToLocal( decalProjectionInfo_t &localInfo, const decalProjectionInfo_t &info, const idVec3 &origin, const idMat3 &axis );
+
+								// Creates a deal on the given model.
+	void						CreateDecal( const idRenderModel *model, const decalProjectionInfo_t &localInfo );
+
+								// Remove decals that are completely faded away.
+	static idRenderModelDecal *	RemoveFadedDecals( idRenderModelDecal *decals, int time );
+
+								// Updates the vertex colors, removing any faded indexes,
+								// then copy the verts to temporary vertex cache and adds a drawSurf.
+	void						AddDecalDrawSurf( struct viewEntity_s *space );
+
+								// Returns the next decal in the chain.
+	idRenderModelDecal *		Next( void ) const { return nextDecal; }
+
+	void						ReadFromDemoFile( class idDemoFile *f );
+	void						WriteToDemoFile( class idDemoFile *f ) const;
+
+private:
+	static const int			MAX_DECAL_VERTS = 40;
+	static const int			MAX_DECAL_INDEXES = 60;
+
+	const idMaterial *			material;
+	srfTriangles_t				tri;
+	idDrawVert					verts[MAX_DECAL_VERTS];
+	float						vertDepthFade[MAX_DECAL_VERTS];
+	glIndex_t					indexes[MAX_DECAL_INDEXES];
+	int							indexStartTime[MAX_DECAL_INDEXES];
+	idRenderModelDecal *		nextDecal;
+
+								// Adds the winding triangles to the appropriate decal in the
+								// chain, creating a new one if necessary.
+	void						AddWinding( const idWinding &w, const idMaterial *decalMaterial, const idPlane fadePlanes[2], float fadeDepth, int startTime );
+
+								// Adds depth faded triangles for the winding to the appropriate
+								// decal in the chain, creating a new one if necessary.
+								// The part of the winding at the front side of both fade planes is not faded.
+								// The parts at the back sides of the fade planes are faded with the given depth.
+	void						AddDepthFadedWinding( const idWinding &w, const idMaterial *decalMaterial, const idPlane fadePlanes[2], float fadeDepth, int startTime );
+};
+
+#endif /* !__MODELDECAL_H__ */