mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-16 00:12:51 +00:00
21591b5219
- If the NewGRF sound effect chosen doesn't exist, then ignore it. - Play load/unload sound if provided.
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/* $Id$ */
|
|
|
|
#include "stdafx.h"
|
|
#include "openttd.h"
|
|
#include "pool.h"
|
|
#include "sound.h"
|
|
#include "engine.h"
|
|
#include "vehicle.h"
|
|
#include "newgrf_callbacks.h"
|
|
#include "newgrf_engine.h"
|
|
#include "newgrf_sound.h"
|
|
|
|
enum {
|
|
SOUND_POOL_BLOCK_SIZE_BITS = 3, /* (1 << 3) == 8 items */
|
|
SOUND_POOL_MAX_BLOCKS = 1000,
|
|
};
|
|
|
|
static uint _sound_count = 0;
|
|
static MemoryPool _sound_pool = { "Sound", SOUND_POOL_MAX_BLOCKS, SOUND_POOL_BLOCK_SIZE_BITS, sizeof(FileEntry), NULL, NULL, 0, 0, NULL };
|
|
|
|
|
|
/* Allocate a new FileEntry */
|
|
FileEntry *AllocateFileEntry(void)
|
|
{
|
|
if (_sound_count == _sound_pool.total_items) {
|
|
if (!AddBlockToPool(&_sound_pool)) return NULL;
|
|
}
|
|
|
|
return (FileEntry*)GetItemFromPool(&_sound_pool, _sound_count++);
|
|
}
|
|
|
|
|
|
void InitializeSoundPool(void)
|
|
{
|
|
CleanPool(&_sound_pool);
|
|
_sound_count = 0;
|
|
|
|
/* Copy original sound data to the pool */
|
|
SndCopyToPool();
|
|
}
|
|
|
|
|
|
FileEntry *GetSound(uint index)
|
|
{
|
|
if (index >= _sound_count) return NULL;
|
|
return (FileEntry*)GetItemFromPool(&_sound_pool, index);
|
|
}
|
|
|
|
|
|
uint GetNumSounds(void)
|
|
{
|
|
return _sound_count;
|
|
}
|
|
|
|
|
|
bool PlayVehicleSound(const Vehicle *v, VehicleSoundEvent event)
|
|
{
|
|
const GRFFile *file = GetEngineGRF(v->engine_type);
|
|
uint16 callback;
|
|
|
|
/* If the engine has no GRF ID associated it can't ever play any new sounds */
|
|
if (file == NULL) return false;
|
|
|
|
/* Check that the vehicle type uses the sound effect callback */
|
|
if (!HASBIT(EngInfo(v->engine_type)->callbackmask, CBM_SOUND_EFFECT)) return false;
|
|
|
|
callback = GetVehicleCallback(CBID_VEHICLE_SOUND_EFFECT, event, 0, v->engine_type, v);
|
|
if (callback == CALLBACK_FAILED) return false;
|
|
if (callback >= GetNumOriginalSounds()) callback += file->sound_offset - GetNumOriginalSounds();
|
|
|
|
if (callback < GetNumSounds()) SndPlayVehicleFx(callback, v);
|
|
return true;
|
|
}
|