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Location: cpp/openttd-patchpack/source/src/oldpool.h - annotation
r7128:5dd9e863c104
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(svn r10402) -Update: WebTranslator2 update to 2007-06-30 21:32:39
bulgarian - 10 fixed by kokobongo (10)
french - 2 fixed by glx (2)
italian - 2 fixed, 2 changed by lorenzodv (4)
korean - 2 fixed, 2 changed by darkttd (4)
polish - 43 fixed, 1 changed by meush (44)
slovenian - 1 fixed by Necrolyte (1)
spanish - 5 changed by eusebio (5)
swedish - 2 fixed by giddorah (2)
bulgarian - 10 fixed by kokobongo (10)
french - 2 fixed by glx (2)
italian - 2 fixed, 2 changed by lorenzodv (4)
korean - 2 fixed, 2 changed by darkttd (4)
polish - 43 fixed, 1 changed by meush (44)
slovenian - 1 fixed by Necrolyte (1)
spanish - 5 changed by eusebio (5)
swedish - 2 fixed by giddorah (2)
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/** @file oldpool.h */
#ifndef OLDPOOL_H
#define OLDPOOL_H
struct OldMemoryPool;
/* The function that is called after a new block is added
start_item is the first item of the new made block */
typedef void OldMemoryPoolNewBlock(uint start_item);
/* The function that is called before a block is cleaned up */
typedef void OldMemoryPoolCleanBlock(uint start_item, uint end_item);
/**
* Stuff for dynamic vehicles. Use the wrappers to access the OldMemoryPool
* please try to avoid manual calls!
*/
struct OldMemoryPool {
const char* name; ///< Name of the pool (just for debugging)
uint max_blocks; ///< The max amount of blocks this pool can have
uint block_size_bits; ///< The size of each block in bits
uint item_size; ///< How many bytes one block is
/// Pointer to a function that is called after a new block is added
OldMemoryPoolNewBlock *new_block_proc;
/// Pointer to a function that is called to clean a block
OldMemoryPoolCleanBlock *clean_block_proc;
uint current_blocks; ///< How many blocks we have in our pool
uint total_items; ///< How many items we now have in this pool
byte **blocks; ///< An array of blocks (one block hold all the items)
};
/**
* Those are the wrappers:
* CleanPool cleans the pool up, but you can use AddBlockToPool directly again
* (no need to call CreatePool!)
* AddBlockToPool adds 1 more block to the pool. Returns false if there is no
* more room
*/
void CleanPool(OldMemoryPool *array);
bool AddBlockToPool(OldMemoryPool *array);
/**
* Adds blocks to the pool if needed (and possible) till index fits inside the pool
*
* @return Returns false if adding failed
*/
bool AddBlockIfNeeded(OldMemoryPool *array, uint index);
#define OLD_POOL_ENUM(name, type, block_size_bits, max_blocks) \
enum { \
name##_POOL_BLOCK_SIZE_BITS = block_size_bits, \
name##_POOL_MAX_BLOCKS = max_blocks \
};
#define OLD_POOL_ACCESSORS(name, type) \
static inline type* Get##name(uint index) \
{ \
assert(index < _##name##_pool.total_items); \
return (type*)( \
_##name##_pool.blocks[index >> name##_POOL_BLOCK_SIZE_BITS] + \
(index & ((1 << name##_POOL_BLOCK_SIZE_BITS) - 1)) * sizeof(type) \
); \
} \
\
static inline uint Get##name##PoolSize() \
{ \
return _##name##_pool.total_items; \
}
#define DECLARE_OLD_POOL(name, type, block_size_bits, max_blocks) \
OLD_POOL_ENUM(name, type, block_size_bits, max_blocks) \
extern OldMemoryPool _##name##_pool; \
OLD_POOL_ACCESSORS(name, type)
#define DEFINE_OLD_POOL(name, type, new_block_proc, clean_block_proc) \
OldMemoryPool _##name##_pool = { \
#name, name##_POOL_MAX_BLOCKS, name##_POOL_BLOCK_SIZE_BITS, sizeof(type), \
new_block_proc, clean_block_proc, \
0, 0, NULL \
};
#define STATIC_OLD_POOL(name, type, block_size_bits, max_blocks, new_block_proc, clean_block_proc) \
OLD_POOL_ENUM(name, type, block_size_bits, max_blocks) \
static DEFINE_OLD_POOL(name, type, new_block_proc, clean_block_proc) \
OLD_POOL_ACCESSORS(name, type)
#endif /* OLDPOOL_H */
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