forked from 3dyne/3dyne_legacy_engine
/
db_lightmap.cpp
1243 lines (962 loc) · 25.6 KB
/
db_lightmap.cpp
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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
*/
// CHANGED FILES:
// db_lightmap.cpp
// db_lightmap.h
// db_lightmapdefs.h
// g_defs.h
// l_wrap.cpp
// r_fake/render3.cpp
// r_fake/r_shapes.cpp
// r_fake/r_shpctrljobs.cpp
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "ib_service.h"
#include "u_token.h"
#include "u_hobj.h"
#include "lib_math.h"
#include "lib_hobj.h"
#include "lib_container.h"
#include "lib_digest.h"
#include "la_service.h"
#include "db_lightmap.h"
#include "interfaces.h"
#include "shock.h"
static bool_t db_internal_init = false;
static fp_t db_hitrate;
static int db_datamem;
static unsigned char db_ramps[256][256];
void X_CacheInit( x_cache_t *c, int max_mem, int highwater_mem, int lowwater_mem );
void X_CacheCleanUp( x_cache_t *c );
static void VV_LightCC( int flag, char *string )
{
sprintf( string, "light combine cache: hitrate: %.2f%%, %f.2 KB", db_hitrate, db_datamem/1024.0 );
}
static void LightmapDB_InternalSetupRamps( void )
{
int i, j;
for ( i = 0; i < 256; i++ )
{
for ( j = 0; j < 256; j++ )
{
fp_t b;
int c;
b = ((fp_t) j * (i/255.0));
c = (int) b;
db_ramps[i][j] = (unsigned char) c;
}
}
}
/*
=============================
LightmapDB_Init
==============================
*/
#if 0
void LightmapDB_Init( db_lightmap_t *db )
{
INITTYPE( db, db_lightmap_t );
U_InitList( &db->lightsource_list );
X_CacheInit( &db->cache, 1024*1024*16, 1024*1024*4, 1024*1024*3 );
db->lightmap_bin = NULL;
if( db_internal_init == false )
{
db_internal_init = true;
LA_InsertVarview( "vv_lightcc", VV_LightCC );
LightmapDB_InternalSetupRamps();
}
}
#endif
lightmap_db_cpp::lightmap_db_cpp( const char* lightmap_bin_name, const char* lightmap_class_name, const char* source_class_name )
: lm_bin_handle_(lightmap_bin_name),
lm_bin_mapping_(lm_bin_handle_)
{
U_InitList( &lightsource_list );
X_CacheInit( &cache, 1024*1024*16, 1024*1024*4, 1024*1024*3 );
lightmap_bin = NULL;
std::fill( lightmap_hash, lightmap_hash + LIGHTMAP_SHAPE_ID_HASH_SIZE, (lightmap_t*)0 );
if( db_internal_init == false )
{
db_internal_init = true;
LA_InsertVarview( "vv_lightcc", VV_LightCC );
LightmapDB_InternalSetupRamps();
}
////////////////////////////////////////////////////////
// previous Load code
int i;
hobj_t *lightmap_root;
hobj_t *lightsource_root;
unsigned char *lightmap_bin;
ib_file_t *h;
int filesize;
hobj_search_iterator_t iter;
hobj_t *lightmap;
hobj_t *lightsource;
tokenstream_t *ts;
u_list_iter_t lsrc_iter;
lightmap_t *lmap;
lightsource_t *lsrc;
//
// load lightmap binary
//
#if 0
h = IB_Open( lightmap_bin_name );
if ( !h )
{
__error( "can't open lightmap binary\n" );
}
filesize = IB_GetSize( h );
lightmap_bin = (unsigned char *)NEWBYTES( filesize );
__chkptr( lightmap_bin );
IB_Read( lightmap_bin, filesize, 1, h );
IB_Close( h );
lightmap_bin = lightmap_bin;
#else
filesize = lm_bin_handle_.get_size();
lightmap_bin = (unsigned char*)const_cast<char *>(lm_bin_mapping_.ptr());
__chkptr( lightmap_bin );
#endif
//
// load lightmap class
//
ts = BeginTokenStream( lightmap_class_name );
if ( !ts )
{
__error( "can't open lightmap class\n" );
}
lightmap_root = ReadClass( ts );
if ( !lightmap_root )
{
__error( "can't load lightmap class\n" );
}
EndTokenStream( ts );
//bake_hobj( lightmap_root );
InitClassSearchIterator( &iter, lightmap_root, "*" );
for ( ; ( lightmap = SearchGetNextClass( &iter ) ) ; )
{
int ofs;
lmap = NEWTYPE( lightmap_t );
EasyFindClsrefAsUnique( &lmap->id_shape, lightmap, "shape_id" );
EasyFindClsrefAsUnique( &lmap->id_source, lightmap, "source_id" );
EasyFindInt( &lmap->type, lightmap, "type" );
EasyFindInt( &ofs, lightmap, "ofs" );
lmap->pixel_ptr = &lightmap_bin[ofs];
insert_hash( lmap );
}
//
// load lightsource class
//
ts = BeginTokenStream( source_class_name );
if ( !ts )
{
__error( "can't open lightsource class\n" );
}
lightsource_root = ReadClass( ts );
if ( !lightsource_root )
{
__error( "can't load lightsource class\n" );
}
EndTokenStream( ts );
InitClassSearchIterator( &iter, lightsource_root, "*" );
for ( ; ( lightsource = SearchGetNextClass( &iter ) ) ; )
{
lsrc = NEWTYPE( lightsource_t );
lsrc->id_source = StringToUnique( lightsource->name );
EasyFindClsrefAsUnique( &lsrc->id_any_light, lightsource, "any_light" );
EasyFindVec3d( lsrc->color, lightsource, "color" );
U_ListInsertAtHead( &lightsource_list, lsrc );
}
//
// link lightsources and lightmaps
//
// for each id_source
// link all lightmaps with same id_source
// set list head
U_ListIterInit( &lsrc_iter, &lightsource_list );
for ( ; ( lsrc = (lightsource_t *)U_ListIterNext( &lsrc_iter ) ) ; )
{
lsrc->head = NULL;
for ( i = 0; i < LIGHTMAP_SHAPE_ID_HASH_SIZE; i++ )
{
for ( lmap = lightmap_hash[i]; lmap; lmap=lmap->hash_link )
{
if ( lmap->id_source != lsrc->id_source )
{
continue;
}
lmap->source_ref = lsrc;
lmap->source_link = lsrc->head;
lsrc->head = lmap;
}
}
}
//
// destroy classes
//
DeepDestroyClass( lightmap_root );
DeepDestroyClass( lightsource_root );
}
/*
==============================
LightmapDB_CleanUp
==============================
*/
static void ObjDestroy( void *obj )
{
__chkptr( obj );
FREE( obj );
}
#if 0
void LightmapDB_CleanUp( db_lightmap_t *db )
{
int i;
U_CleanUpList( &db->lightsource_list, ObjDestroy );
//
// clean up lightmap hash
//
for ( i = 0; i < LIGHTMAP_SHAPE_ID_HASH_SIZE; i++ )
{
lightmap_t *lmap, *next;
for ( lmap = db->lightmap_hash[i]; lmap; lmap=next )
{
next = lmap->hash_link;
FREE( lmap );
}
}
X_CacheCleanUp( &db->cache );
if ( db->lightmap_bin )
{
FREE( db->lightmap_bin );
}
}
#endif
lightmap_db_cpp::~lightmap_db_cpp() {
int i;
U_CleanUpList( &lightsource_list, ObjDestroy );
//
// clean up lightmap hash
//
for ( i = 0; i < LIGHTMAP_SHAPE_ID_HASH_SIZE; i++ )
{
lightmap_t *lmap, *next;
for ( lmap = lightmap_hash[i]; lmap; lmap=next )
{
next = lmap->hash_link;
FREE( lmap );
}
}
X_CacheCleanUp( &cache );
// if ( lightmap_bin )
// {
// FREE( lightmap_bin );
// }
}
/*
==============================
InsertHash
==============================
*/
static int CalcHash( unique_t id_shape )
{
return id_shape % LIGHTMAP_SHAPE_ID_HASH_SIZE;
}
#if 0
static void InsertHash( db_lightmap_t *db, lightmap_t *lmap )
{
int entry;
entry = CalcHash( lmap->id_shape );
lmap->hash_link = db->lightmap_hash[entry];
db->lightmap_hash[entry] = lmap;
}
#endif
void lightmap_db_cpp::insert_hash( lightmap_t *lmap )
{
int entry;
entry = CalcHash( lmap->id_shape );
lmap->hash_link = lightmap_hash[entry];
lightmap_hash[entry] = lmap;
}
/*
==============================
LightmapDB_Load
==============================
*/
#if 0
void LightmapDB_Load( db_lightmap_t *db, char *lightmap_bin_name, char *lightmap_class_name, char *source_class_name )
{
int i;
hobj_t *lightmap_root;
hobj_t *lightsource_root;
unsigned char *lightmap_bin;
ib_file_t *h;
int filesize;
hobj_search_iterator_t iter;
hobj_t *lightmap;
hobj_t *lightsource;
tokenstream_t *ts;
u_list_iter_t lsrc_iter;
lightmap_t *lmap;
lightsource_t *lsrc;
//
// load lightmap binary
//
h = IB_Open( lightmap_bin_name );
if ( !h )
{
__error( "can't open lightmap binary\n" );
}
filesize = IB_GetSize( h );
lightmap_bin = (unsigned char *)NEWBYTES( filesize );
__chkptr( lightmap_bin );
IB_Read( lightmap_bin, filesize, 1, h );
IB_Close( h );
db->lightmap_bin = lightmap_bin;
//
// load lightmap class
//
ts = BeginTokenStream( lightmap_class_name );
if ( !ts )
{
__error( "can't open lightmap class\n" );
}
lightmap_root = ReadClass( ts );
if ( !lightmap_root )
{
__error( "can't load lightmap class\n" );
}
EndTokenStream( ts );
InitClassSearchIterator( &iter, lightmap_root, "*" );
for ( ; ( lightmap = SearchGetNextClass( &iter ) ) ; )
{
int ofs;
lmap = NEWTYPE( lightmap_t );
EasyFindClsrefAsUnique( &lmap->id_shape, lightmap, "shape_id" );
EasyFindClsrefAsUnique( &lmap->id_source, lightmap, "source_id" );
EasyFindInt( &lmap->type, lightmap, "type" );
EasyFindInt( &ofs, lightmap, "ofs" );
lmap->pixel_ptr = &db->lightmap_bin[ofs];
InsertHash( db, lmap );
}
//
// load lightsource class
//
ts = BeginTokenStream( source_class_name );
if ( !ts )
{
__error( "can't open lightsource class\n" );
}
lightsource_root = ReadClass( ts );
if ( !lightsource_root )
{
__error( "can't load lightsource class\n" );
}
EndTokenStream( ts );
InitClassSearchIterator( &iter, lightsource_root, "*" );
for ( ; ( lightsource = SearchGetNextClass( &iter ) ) ; )
{
lsrc = NEWTYPE( lightsource_t );
lsrc->id_source = StringToUnique( lightsource->name );
EasyFindClsrefAsUnique( &lsrc->id_any_light, lightsource, "any_light" );
EasyFindVec3d( lsrc->color, lightsource, "color" );
U_ListInsertAtHead( &db->lightsource_list, lsrc );
}
//
// link lightsources and lightmaps
//
// for each id_source
// link all lightmaps with same id_source
// set list head
U_ListIterInit( &lsrc_iter, &db->lightsource_list );
for ( ; ( lsrc = (lightsource_t *)U_ListIterNext( &lsrc_iter ) ) ; )
{
lsrc->head = NULL;
for ( i = 0; i < LIGHTMAP_SHAPE_ID_HASH_SIZE; i++ )
{
for ( lmap = db->lightmap_hash[i]; lmap; lmap=lmap->hash_link )
{
if ( lmap->id_source != lsrc->id_source )
{
continue;
}
lmap->source_ref = lsrc;
lmap->source_link = lsrc->head;
lsrc->head = lmap;
}
}
}
//
// destroy classes
//
DeepDestroyClass( lightmap_root );
DeepDestroyClass( lightsource_root );
}
void lightmap_db_cpp::load ( const char* lightmap_bin_name, const char* lightmap_class_name, const char* source_class_name )
{
int i;
hobj_t *lightmap_root;
hobj_t *lightsource_root;
unsigned char *lightmap_bin;
ib_file_t *h;
int filesize;
hobj_search_iterator_t iter;
hobj_t *lightmap;
hobj_t *lightsource;
tokenstream_t *ts;
u_list_iter_t lsrc_iter;
lightmap_t *lmap;
lightsource_t *lsrc;
//
// load lightmap binary
//
h = IB_Open( lightmap_bin_name );
if ( !h )
{
__error( "can't open lightmap binary\n" );
}
filesize = IB_GetSize( h );
lightmap_bin = (unsigned char *)NEWBYTES( filesize );
__chkptr( lightmap_bin );
IB_Read( lightmap_bin, filesize, 1, h );
IB_Close( h );
lightmap_bin = lightmap_bin;
//
// load lightmap class
//
ts = BeginTokenStream( lightmap_class_name );
if ( !ts )
{
__error( "can't open lightmap class\n" );
}
lightmap_root = ReadClass( ts );
if ( !lightmap_root )
{
__error( "can't load lightmap class\n" );
}
EndTokenStream( ts );
InitClassSearchIterator( &iter, lightmap_root, "*" );
for ( ; ( lightmap = SearchGetNextClass( &iter ) ) ; )
{
int ofs;
lmap = NEWTYPE( lightmap_t );
EasyFindClsrefAsUnique( &lmap->id_shape, lightmap, "shape_id" );
EasyFindClsrefAsUnique( &lmap->id_source, lightmap, "source_id" );
EasyFindInt( &lmap->type, lightmap, "type" );
EasyFindInt( &ofs, lightmap, "ofs" );
lmap->pixel_ptr = &lightmap_bin[ofs];
insert_hash( lmap );
}
//
// load lightsource class
//
ts = BeginTokenStream( source_class_name );
if ( !ts )
{
__error( "can't open lightsource class\n" );
}
lightsource_root = ReadClass( ts );
if ( !lightsource_root )
{
__error( "can't load lightsource class\n" );
}
EndTokenStream( ts );
InitClassSearchIterator( &iter, lightsource_root, "*" );
for ( ; ( lightsource = SearchGetNextClass( &iter ) ) ; )
{
lsrc = NEWTYPE( lightsource_t );
lsrc->id_source = StringToUnique( lightsource->name );
EasyFindClsrefAsUnique( &lsrc->id_any_light, lightsource, "any_light" );
EasyFindVec3d( lsrc->color, lightsource, "color" );
U_ListInsertAtHead( &lightsource_list, lsrc );
}
//
// link lightsources and lightmaps
//
// for each id_source
// link all lightmaps with same id_source
// set list head
U_ListIterInit( &lsrc_iter, &lightsource_list );
for ( ; ( lsrc = (lightsource_t *)U_ListIterNext( &lsrc_iter ) ) ; )
{
lsrc->head = NULL;
for ( i = 0; i < LIGHTMAP_SHAPE_ID_HASH_SIZE; i++ )
{
for ( lmap = lightmap_hash[i]; lmap; lmap=lmap->hash_link )
{
if ( lmap->id_source != lsrc->id_source )
{
continue;
}
lmap->source_ref = lsrc;
lmap->source_link = lsrc->head;
lsrc->head = lmap;
}
}
}
//
// destroy classes
//
DeepDestroyClass( lightmap_root );
DeepDestroyClass( lightsource_root );
}
#endif
/*
==============================
==============================
*/
#if 0
lightsource_t * LightmapDB_SelectLightsourceWhereAnyLightID( db_lightmap_t *db, unique_t id_any_light )
{
u_list_iter_t iter;
lightsource_t *lsrc;
U_ListIterInit( &iter, &db->lightsource_list );
for ( ; ( lsrc = (lightsource_t *)U_ListIterNext( &iter ) ) ; )
{
if ( lsrc->id_any_light == id_any_light )
{
return lsrc;
}
}
return NULL;
}
#endif
lightsource_t * lightmap_db_cpp::SelectLightsourceWhereAnyLightID( unique_t id_any_light )
{
u_list_iter_t iter;
lightsource_t *lsrc;
U_ListIterInit( &iter, &lightsource_list );
for ( ; ( lsrc = (lightsource_t *)U_ListIterNext( &iter ) ) ; )
{
if ( lsrc->id_any_light == id_any_light )
{
return lsrc;
}
}
return NULL;
}
/*
==============================
==============================
*/
#if 0
void LightmapDB_SelectLightmapsWhereShapeID( db_lightmap_t *db, unique_t id_shape, void (*select_func)(lightmap_t *lmap) )
{
lightmap_t *lmap;
int entry;
entry = CalcHash( id_shape );
for ( lmap = db->lightmap_hash[entry]; lmap ; lmap=lmap->hash_link )
{
if ( lmap->id_shape == id_shape )
{
select_func( lmap );
}
}
}
#endif
void lightmap_db_cpp::SelectLightmapsWhereShapeID( unique_t id_shape, void (*select_func)(lightmap_t *lmap) )
{
lightmap_t *lmap;
int entry;
entry = CalcHash( id_shape );
for ( lmap = lightmap_hash[entry]; lmap ; lmap=lmap->hash_link )
{
if ( lmap->id_shape == id_shape )
{
select_func( lmap );
}
}
}
/*
==================================================
combined lightmap cache development
==================================================
*/
/*
==============================
LightmapDB_CombineLightmaps
==============================
*/
int x_num_miss = 0;
int x_num_hit = 0;
int x_num_flush = 0;
//int dbg_digest_size;
//unsigned char dbg_digest[256];
void X_CacheInit( x_cache_t *c, int max_mem, int highwater_mem, int lowwater_mem )
{
INITTYPE( c, x_cache_t );
c->data_mem = 0;
c->max_mem = max_mem;
c->highwater_mem = highwater_mem;
c->lowwater_mem = lowwater_mem;
}
void X_CacheCleanUp( x_cache_t *c )
{
int i, j;
for ( i = 0; i < X_CACHE_NUM_ENTRY; i++ )
{
for ( j = 0; j < 4; j++ )
{
if ( c->entries[i].data[j] )
{
FREE( c->entries[i].data[j] );
}
}
}
}
unsigned int X_CacheCalcEntry( x_cache_t *cache, unsigned int real_addr )
{
return real_addr%X_CACHE_NUM_ENTRY;
}
bool_t X_CacheTestRealAddr( x_cache_t *cache, unsigned int real_addr )
{
int i;
unsigned int entry;
x_cache_entry_t *e;
entry = X_CacheCalcEntry( cache, real_addr );
e = &cache->entries[entry];
for ( i = 0; i < 4; i++ )
{
if ( !e->data[i] )
continue;
if ( e->real_addr[i] != real_addr )
continue;
x_num_hit++;
return true;
}
x_num_miss++;
return false;
}
void * X_CacheGetData( x_cache_t *cache, unsigned int real_addr )
{
int i;
unsigned int entry;
x_cache_entry_t *e;
void *data;
entry = X_CacheCalcEntry( cache, real_addr );
e = &cache->entries[entry];
data = NULL;
for ( i = 0; i < 4; i++ )
{
if ( !e->data[i] )
continue;
if ( e->real_addr[i] != real_addr )
{
if ( e->lru[i] < 255 )
e->lru[i]++;
continue;
}
if ( e->real_addr[i] == real_addr )
{
data = e->data[i];
if ( e->lru[i] > 0 )
e->lru[i]--;
}
}
if ( !data )
__error( "real_addr not in cache\n" );
return data;
}
void X_CacheFlushLRU( x_cache_t *c )
{
int i;
x_cache_entry_t *e;
int take;
unsigned char lru_val;
c->rollover = ( c->rollover + 1 ) % X_CACHE_NUM_ENTRY;
e = &c->entries[c->rollover];
take = -1;
lru_val = 0;
for ( i = 0; i < 4; i++ )
{
if ( !e->data[i] )
{
continue;
}
if ( e->lru[i] >= lru_val )
{
lru_val = e->lru[i];
take = i;
}
}
if ( take == -1 )
{
return;
}
FREE( e->data[take] );
e->data[take] = NULL;
c->data_mem -= e->size[take];
// printf( "mem: %.2f KB\n", e->size[take]/1024.0 );
e->size[take] = 0;
}
void X_CacheCheckMem( x_cache_t *cache, int want_mem )
{
int i;
if ( cache->data_mem >= cache->highwater_mem )
{
//
// highwater mem reached go through cache till
// mem sinks bellow lowwater
//
// printf( "reached highwater at %.2f KB\n", cache->data_mem/1024.0 );
for ( i = 0; i < X_CACHE_NUM_ENTRY ; i++ )
{
X_CacheFlushLRU( cache );
if ( cache->data_mem <= cache->lowwater_mem )
{
break;
}
}
if ( i == X_CACHE_NUM_ENTRY )
{
__error( "can't reach cache->lowwater_mem\n" );
}
// printf( "reached lowwater at %.2f KB\n", cache->data_mem/1024.0 );
}
if ( cache->data_mem+want_mem >= cache->max_mem )
{
__error( "cache->data_mem+want_mem >= cache->max_mem\n" );
}
}
void X_CacheInsertData( x_cache_t *cache, unsigned int real_addr, void *data, int size )
{
int i;
unsigned int entry;
x_cache_entry_t *e;
int take;
unsigned char lru_val;
__chkptr( data );
X_CacheCheckMem( cache, size );
entry = X_CacheCalcEntry( cache, real_addr );
e = &cache->entries[entry];
take = 0;
lru_val = 0;
for ( i = 0; i < 4; i++ )
{
if ( !e->data[i] )
{
take = i;
break;
}
if ( e->lru[i] > lru_val )
{
lru_val = e->lru[i];
take = i;