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annotate src/newgrf_sound.cpp @ 6124:b688d35abaf4 draft

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(svn r8860) -Cleanup: some style changes, proper #endif comments, variable initialisation, WINCE ifdef and a vsprintf to vsnprintf change.
author Darkvater <Darkvater@openttd.org>
date Fri, 23 Feb 2007 12:56:10 +0000 (2007-02-23)
parents c44c070c5032
children 57363e064324
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rev   line source
5584
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1 /* $Id$ */
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3 #include "stdafx.h"
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4 #include "openttd.h"
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5 #include "oldpool.h"
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6 #include "sound.h"
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7 #include "engine.h"
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8 #include "vehicle.h"
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9 #include "newgrf_callbacks.h"
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10 #include "newgrf_engine.h"
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11 #include "newgrf_sound.h"
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12
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13 static uint _sound_count = 0;
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14 STATIC_OLD_POOL(SoundInternal, FileEntry, 3, 1000, NULL, NULL)
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17 /* Allocate a new FileEntry */
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18 FileEntry *AllocateFileEntry(void)
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19 {
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20 if (_sound_count == GetSoundInternalPoolSize()) {
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21 if (!AddBlockToPool(&_SoundInternal_pool)) return NULL;
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22 }
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24 return GetSoundInternal(_sound_count++);
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25 }
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28 void InitializeSoundPool(void)
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29 {
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30 CleanPool(&_SoundInternal_pool);
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31 _sound_count = 0;
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33 /* Copy original sound data to the pool */
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34 SndCopyToPool();
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35 }
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38 FileEntry *GetSound(uint index)
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39 {
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b688d35abaf4 (svn r8860) -Cleanup: some style changes, proper #endif comments, variable initialisation, WINCE ifdef and a vsprintf to vsnprintf change.
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40 if (index >= GetNumSounds()) return NULL;
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41 return GetSoundInternal(index);
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42 }
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45 uint GetNumSounds(void)
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46 {
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47 return _sound_count;
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48 }
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51 bool PlayVehicleSound(const Vehicle *v, VehicleSoundEvent event)
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52 {
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53 const GRFFile *file = GetEngineGRF(v->engine_type);
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54 uint16 callback;
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56 /* If the engine has no GRF ID associated it can't ever play any new sounds */
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57 if (file == NULL) return false;
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59 /* Check that the vehicle type uses the sound effect callback */
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60 if (!HASBIT(EngInfo(v->engine_type)->callbackmask, CBM_SOUND_EFFECT)) return false;
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62 callback = GetVehicleCallback(CBID_VEHICLE_SOUND_EFFECT, event, 0, v->engine_type, v);
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63 if (callback == CALLBACK_FAILED) return false;
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64 if (callback >= GetNumOriginalSounds()) callback += file->sound_offset - GetNumOriginalSounds();
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65
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66 if (callback < GetNumSounds()) SndPlayVehicleFx((SoundFx)callback, v);
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67 return true;
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68 }