peter1138@4656: /* $Id$ */
peter1138@4656: 
belugas@6674: /** @file newgrf_sound.cpp */
belugas@6674: 
peter1138@4656: #include "stdafx.h"
peter1138@4656: #include "openttd.h"
matthijs@5216: #include "oldpool.h"
rubidium@9282: #include "engine_func.h"
peter1138@4656: #include "newgrf_callbacks.h"
peter1138@4656: #include "newgrf_engine.h"
peter1138@4656: #include "newgrf_sound.h"
rubidium@8640: #include "vehicle_base.h"
rubidium@8653: #include "sound_func.h"
peter1138@4656: 
peter1138@4656: static uint _sound_count = 0;
matthijs@5216: STATIC_OLD_POOL(SoundInternal, FileEntry, 3, 1000, NULL, NULL)
peter1138@4656: 
peter1138@4656: 
peter1138@4656: /* Allocate a new FileEntry */
rubidium@6573: FileEntry *AllocateFileEntry()
peter1138@4656: {
tron@4975: 	if (_sound_count == GetSoundInternalPoolSize()) {
rubidium@7897: 		if (!_SoundInternal_pool.AddBlockToPool()) return NULL;
peter1138@4656: 	}
peter1138@4656: 
tron@4975: 	return GetSoundInternal(_sound_count++);
peter1138@4656: }
peter1138@4656: 
peter1138@4656: 
rubidium@6573: void InitializeSoundPool()
peter1138@4656: {
rubidium@7897: 	_SoundInternal_pool.CleanPool();
peter1138@4656: 	_sound_count = 0;
peter1138@4656: 
peter1138@4656: 	/* Copy original sound data to the pool */
peter1138@4656: 	SndCopyToPool();
peter1138@4656: }
peter1138@4656: 
peter1138@4656: 
peter1138@4656: FileEntry *GetSound(uint index)
peter1138@4656: {
Darkvater@6450: 	if (index >= GetNumSounds()) return NULL;
tron@4975: 	return GetSoundInternal(index);
peter1138@4656: }
peter1138@4656: 
peter1138@4656: 
rubidium@6573: uint GetNumSounds()
peter1138@4656: {
peter1138@4656: 	return _sound_count;
peter1138@4656: }
peter1138@4656: 
peter1138@4656: 
peter1138@4656: bool PlayVehicleSound(const Vehicle *v, VehicleSoundEvent event)
peter1138@4656: {
peter1138@4656: 	const GRFFile *file = GetEngineGRF(v->engine_type);
peter1138@4656: 	uint16 callback;
peter1138@4656: 
peter1138@4656: 	/* If the engine has no GRF ID associated it can't ever play any new sounds */
peter1138@4656: 	if (file == NULL) return false;
peter1138@4656: 
peter1138@4656: 	/* Check that the vehicle type uses the sound effect callback */
skidd13@8424: 	if (!HasBit(EngInfo(v->engine_type)->callbackmask, CBM_VEHICLE_SOUND_EFFECT)) return false;
peter1138@4656: 
peter1138@4656: 	callback = GetVehicleCallback(CBID_VEHICLE_SOUND_EFFECT, event, 0, v->engine_type, v);
peter1138@4656: 	if (callback == CALLBACK_FAILED) return false;
peter1138@4656: 	if (callback >= GetNumOriginalSounds()) callback += file->sound_offset - GetNumOriginalSounds();
peter1138@4656: 
rubidium@5838: 	if (callback < GetNumSounds()) SndPlayVehicleFx((SoundFx)callback, v);
peter1138@4656: 	return true;
peter1138@4656: }
maedhros@6658: 
maedhros@6658: bool PlayHouseSound(uint16 sound_id, TileIndex tile)
maedhros@6658: {
maedhros@6658: 	if (sound_id < GetNumOriginalSounds()) {
maedhros@6658: 		SndPlayTileFx((SoundFx)sound_id, tile);
maedhros@6658: 		return true;
maedhros@6658: 	}
maedhros@6658: 	return false;
maedhros@6658: }