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/* Copyright (C) 1994-2003 Revolution Software Ltd
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#ifndef MEMORY_H
#define MEMORY_H
#include "common/scummsys.h"
//#include "src\driver96.h"
typedef struct
{
uint32 state;
uint32 age; // *not used*
uint32 size;
int32 parent; //who is before us
int32 child; //who is after us
uint32 uid; //id of a position in the resList or some other unique id - for the visual display only
uint8 *ad;
} mem;
#define MEM_null 0 //null
#define MEM_free 1
#define MEM_locked 2
#define MEM_float 3
//---------------------------------------
// MEMORY BLOCKS
#define MAX_mem_blocks 999
// maintain at a good 50% higher than the
// highest recorded value from the on-screen info
//---------------------------------------
#define UID_memman 0xffffffff
#define UID_NULL 0xfffffffe //FREE
#define UID_font 0xfffffffd
#define UID_temp 0xfffffffc
#define UID_decompression_buffer 0xfffffffb
#define UID_shrink_buffer 0xfffffffa
#define UID_con_sprite 0xfffffff9
#define UID_text_sprite 0xfffffff8
#define UID_walk_anim 0xfffffff7
#define UID_savegame_buffer 0xfffffff6
#define UID_restoregame_buffer 0xfffffff5
void Init_memory_manager(void);
void Close_memory_manager(void); //Tony2Oct96
//mem *Talloc(uint32 size, uint32 type, uint32 unique_id); //low level
mem *Twalloc(uint32 size, uint32 type, uint32 unique_id); //high level
void Free_mem(mem *block);
void Float_mem(mem *block);
void Lock_mem(mem *block);
void Mem_debug(void);
void Visual_mem_display(void);
int32 Defrag_mem(uint32 req_size); //Tony10Apr96
extern uint32 total_blocks;
extern uint32 base_mem_block;
extern mem mem_list[MAX_mem_blocks];
extern uint32 total_free_memory;
#endif
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