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db_lightmapdefs.h
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db_lightmapdefs.h
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/*
* 3dyne Legacy Engine GPL Source Code
*
* Copyright (C) 1996-2012 Matthias C. Berger & Simon Berger.
*
* This file is part of the 3dyne Legacy Engine GPL Source Code ("3dyne Legacy
* Engine Source Code").
*
* 3dyne Legacy Engine 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.
*
* 3dyne Legacy Engine 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
* 3dyne Legacy Engine Source Code. If not, see
* <http://www.gnu.org/licenses/>.
*
* In addition, the 3dyne Legacy Engine 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 3dyne Legacy Engine Source Code.
*
* Contributors:
* Matthias C. Berger (mcb77@gmx.de) - initial API and implementation
* Simon Berger (simberger@gmail.com) - initial API and implementation
*/
// db_lightmapdefs.h
#ifndef __db_lightmapdefs
#define __db_lightmapdefs
#include "u_defs.h"
#include "g_shareddefs.h"
#include "lib_containerdefs.h"
#include "lib_math.h"
typedef struct lightmap_s
{
// init by lightmap_class
unique_t id_shape;
unique_t id_source;
// linked to lightsource_class, for intnes to rgb mapping and modulation fx
struct lightsource_s *source_ref;
struct layer_s *layer_ref;
int type; // 0 = diffuse, 1 = specular
unsigned char *pixel_ptr; // lightmap binary property
// linked by a pixel combiner
struct lightmap_s *combine_link; // list of all lightmaps of different sources combined to one texture layer
struct lightmap_s *source_link; // list of all lightmaps with the same source
// lightmaps are hashed by id_shape
struct lightmap_s *hash_link;
} lightmap_t;
// lightsource_t is in g_shareddefs.h
#define X_CACHE_NUM_ENTRY ( 1024*64 )
//
// lightmap combine cache
//
typedef struct x_cache_entry_s
{
unsigned int real_addr[4];
// data != NULL => entry in use
void *data[4];
int size[4];
unsigned char lru[4]; // 0 = often used, 255 = seldom used
} x_cache_entry_t;
typedef struct x_cache_s
{
int data_mem;
int max_mem;
int highwater_mem;
int lowwater_mem;
int rollover; // if we have to free data continue with this entry
x_cache_entry_t entries[X_CACHE_NUM_ENTRY];
} x_cache_t;
#define LIGHTMAP_SHAPE_ID_HASH_SIZE ( 4096 )
#if 0
typedef struct db_lightmap_s
{
// no special sort order
u_list_t lightsource_list;
// u_list_t lightmap_list;
unsigned char *lightmap_bin; // lightmap pixel binary
x_cache_t cache; // lightmap combine cache
lightmap_t *lightmap_hash[LIGHTMAP_SHAPE_ID_HASH_SIZE];
} db_lightmap_t;
#endif
class lightmap_db_cpp;
#endif