openttd-mini: newgrf_spritegroup.c@a0acdb23e662 (annotated)

3595 a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	1	/* $Id$ */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	2
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	3	#include "stdafx.h"
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	4	#include "openttd.h"
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	5	#include "pool.h"
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	6	#include "sprite.h"
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	7
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	8	enum {
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	9	SPRITEGROUP_POOL_BLOCK_SIZE_BITS = 4, /* (1 << 4) == 16 items */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	10	SPRITEGROUP_POOL_MAX_BLOCKS = 8000,
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	11	};
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	12
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	13	static uint _spritegroup_count = 0;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	14	static MemoryPool _spritegroup_pool;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	15
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	16
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	17	static void SpriteGroupPoolCleanBlock(uint start_item, uint end_item)
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	18	{
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	19	uint i;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	20
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	21	for (i = start_item; i <= end_item; i++) {
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	22	SpriteGroup group = (SpriteGroup)GetItemFromPool(&_spritegroup_pool, i);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	23
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	24	/* Free dynamically allocated memory */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	25	switch (group->type) {
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	26	case SGT_REAL:
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	27	free(group->g.real.loaded);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	28	free(group->g.real.loading);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	29	break;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	30
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	31	case SGT_DETERMINISTIC:
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	32	free(group->g.determ.ranges);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	33	break;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	34
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	35	case SGT_RANDOMIZED:
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	36	free(group->g.random.groups);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	37	break;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	38
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	39	default:
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	40	break;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	41	}
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	42	}
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	43	}
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	44
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	45
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	46	/* Initialize the SpriteGroup pool */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	47	static MemoryPool _spritegroup_pool = { "SpriteGr", SPRITEGROUP_POOL_MAX_BLOCKS, SPRITEGROUP_POOL_BLOCK_SIZE_BITS, sizeof(SpriteGroup), NULL, &SpriteGroupPoolCleanBlock, 0, 0, NULL };
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	48
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	49
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	50	/* Allocate a new SpriteGroup */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	51	SpriteGroup *AllocateSpriteGroup(void)
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	52	{
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	53	/* This is totally different to the other pool allocators, as we never remove an item from the pool. */
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	54	if (_spritegroup_count == _spritegroup_pool.total_items) {
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	55	if (!AddBlockToPool(&_spritegroup_pool)) return NULL;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	56	}
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	57
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	58	return (SpriteGroup*)GetItemFromPool(&_spritegroup_pool, _spritegroup_count++);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	59	}
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	60
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	61
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	62	void InitializeSpriteGroupPool(void)
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	63	{
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	64	CleanPool(&_spritegroup_pool);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	65	AddBlockToPool(&_spritegroup_pool);
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	66
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	67	_spritegroup_count = 0;
a0acdb23e662 (svn r4486) - NewGRF: Create and use a memory pool to manage sprite groups. This peter1138 parents: diff changeset	68	}

author	peter1138
	Thu, 20 Apr 2006 20:51:57 +0000
changeset 3595	a0acdb23e662
child 3668	42325f12e7d8
permissions	-rw-r--r--