mirrors
/
OpenRCT2
mirror of https://github.com/OpenRCT2/OpenRCT2.git
2
0
Fork 0
Code Issues Projects Releases Wiki Activity

Decompiled audio functions

This commit is contained in:
zsilencer 2014-08-23 23:50:50 -06:00
parent 5c01091043
commit 31e2e4919a
5 changed files with 205 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/addresses.h
View File

@ -154,8 +154,11 @@
#define RCT2_ADDRESS_WINDOW_DPI 0x009DEA74
#define RCT2_ADDRESS_DSOUND_BUFFERS 0x009E1AB0
#define RCT2_ADDRESS_NUM_DSOUND_DEVICES 0x009E2B88
#define RCT2_ADDRESS_DSOUND_DEVICES 0x009E2B8C
#define RCT2_ADDRESS_SOUNDLIST_END 0x009E2B98
#define RCT2_ADDRESS_SOUNDLIST_BEGIN 0x009E2B9C
#define RCT2_ADDRESS_CMDLINE 0x009E2D98

173
src/audio.c
View File

@ -65,6 +65,10 @@ void audio_get_devices()
}
}
/**
*
* rct2: 0x0040502E
*/
void get_dsound_devices()
{
RCT2_CALLPROC(0x0040502E);
@ -80,14 +84,177 @@ void sound_play_panned(int sound_id, int x)
RCT2_CALLPROC_X(0x006BB76E, sound_id, x, 0, 0, 0, 0, 0);
}
int sound_play(rct_sound* sound, int looping, int volume, int pan, int frequency)
/**
*
* rct2: 0x00401999
*/
int sound_channel_play(int channel, int a2, int volume, int pan, int frequency)
{
return RCT2_CALLFUNC_5(0x00404E7F, int, rct_sound*, int, int, int, int, sound, looping, volume, pan, frequency);
RCT2_GLOBAL(0x1426444 + (91 * channel * 4), uint32) = a2;
sound_channel_set_frequency(channel, frequency);
sound_channel_set_pan(channel, pan);
sound_channel_set_volume(channel, volume);
LPDIRECTSOUNDBUFFER dsbuffer = RCT2_ADDRESS(RCT2_ADDRESS_DSOUND_BUFFERS, LPDIRECTSOUNDBUFFER)[channel];
dsbuffer->lpVtbl->SetCurrentPosition(dsbuffer, 0);
dsbuffer->lpVtbl->Play(dsbuffer, 0, 0, DSBPLAY_LOOPING);
RCT2_GLOBAL(0x14262E0 + (91 * channel * 4), uint32) = 1;
return 1;
}
/**
*
* rct2: 0x00401A93
*/
int sound_channel_set_frequency(int channel, int frequency)
{
LPDIRECTSOUNDBUFFER dsbuffer = RCT2_ADDRESS(RCT2_ADDRESS_DSOUND_BUFFERS, LPDIRECTSOUNDBUFFER)[channel];
if(dsbuffer){
if(SUCCEEDED(dsbuffer->lpVtbl->SetFrequency(dsbuffer, frequency))){
return 1;
}
}
return 0;
}
/**
*
* rct2: 0x00401AB3
*/
int sound_channel_set_pan(int channel, int pan)
{
LPDIRECTSOUNDBUFFER dsbuffer = RCT2_ADDRESS(RCT2_ADDRESS_DSOUND_BUFFERS, LPDIRECTSOUNDBUFFER)[channel];
if(dsbuffer){
if(SUCCEEDED(dsbuffer->lpVtbl->SetPan(dsbuffer, pan))){
return 1;
}
}
return 0;
}
/**
*
* rct2: 0x00401AD3
*/
int sound_channel_set_volume(int channel, int volume)
{
LPDIRECTSOUNDBUFFER dsbuffer = RCT2_ADDRESS(RCT2_ADDRESS_DSOUND_BUFFERS, LPDIRECTSOUNDBUFFER)[channel];
if(dsbuffer){
if(SUCCEEDED(dsbuffer->lpVtbl->SetVolume(dsbuffer, volume))){
return 1;
}
}
return 0;
}
/**
*
* rct2: 0x00404E7F
*/
int sound_play(rct_sound* sound, int looping, int volume, int pan, int frequency)
{
if(sound){
sound_set_frequency(sound, frequency);
sound_set_pan(sound, pan);
sound_set_volume(sound, volume);
DWORD playflags;
if(looping){
if(looping != 1)
return 1;
playflags = DSBPLAY_LOOPING;
}else{
playflags = 0;
}
if(SUCCEEDED(sound->dsbuffer->lpVtbl->Play(sound->dsbuffer, 0, 0, playflags))){
return 1;
}
}
return 0;
}
/**
*
* rct2: 0x00404ED7
*/
int sound_set_frequency(rct_sound* sound, int frequency)
{
if(sound){
if(SUCCEEDED(sound->dsbuffer->lpVtbl->SetFrequency(sound->dsbuffer, frequency))){
return 1;
}
}
return 0;
}
/**
*
* rct2: 0x00404EF2
*/
int sound_set_pan(rct_sound* sound, int pan)
{
if(sound){
if(SUCCEEDED(sound->dsbuffer->lpVtbl->SetPan(sound->dsbuffer, pan))){
return 1;
}
}
return 0;
}
/**
*
* rct2: 0x00404F0D
*/
int sound_set_volume(rct_sound* sound, int volume)
{
if(sound){
if(SUCCEEDED(sound->dsbuffer->lpVtbl->SetVolume(sound->dsbuffer, volume))){
return 1;
}
}
return 0;
}
/**
*
* rct2: 0x00404DD8
*/
void sound_stop(rct_sound* sound)
{
RCT2_CALLPROC_1(0x00404DD8, rct_sound*, sound);
if(sound->dsbuffer){
sound->dsbuffer->lpVtbl->Release(sound);
sound->dsbuffer = 0;
sound_remove(sound);
}
}
/**
*
* rct2: 0x00405143
*/
rct_sound* sound_remove(rct_sound* sound)
{
rct_sound* result = RCT2_GLOBAL(RCT2_ADDRESS_SOUNDLIST_END, rct_sound*);
if(sound == result){
if(sound == RCT2_GLOBAL(RCT2_ADDRESS_SOUNDLIST_BEGIN, rct_sound*)){
RCT2_GLOBAL(RCT2_ADDRESS_SOUNDLIST_BEGIN, rct_sound*) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_SOUNDLIST_END, rct_sound*) = 0;
}
result = sound->prev;
RCT2_GLOBAL(RCT2_ADDRESS_SOUNDLIST_END, rct_sound*) = result;
}
else{
while(result->prev != sound){
result = result->prev;
}
if(sound == RCT2_GLOBAL(RCT2_ADDRESS_SOUNDLIST_BEGIN, rct_sound*)){
RCT2_GLOBAL(RCT2_ADDRESS_SOUNDLIST_BEGIN, rct_sound*) = result;
result->prev = 0;
}
else{
result->prev = sound->prev;
}
}
sound->prev = 0;
return result;
}
/**

10
src/audio.h
View File

@ -52,14 +52,22 @@ typedef struct {
int id;
int has_caps;
int var_0C;
int var_10;
struct rct_sound* prev;
} rct_sound;
void get_dsound_devices();
int sound_prepare(int sound_id, rct_sound *sound, int var_8, int var_c);
void sound_play_panned(int sound_id, int x);
int sound_play(rct_sound* sound, int looping, int volume, int pan, int frequency);
int sound_set_frequency(rct_sound* sound, int frequency);
int sound_set_pan(rct_sound* sound, int pan);
int sound_set_volume(rct_sound* sound, int volume);
int sound_channel_play(int channel, int a2, int volume, int pan, int frequency);
int sound_channel_set_frequency(int channel, int frequency);
int sound_channel_set_pan(int channel, int pan);
int sound_channel_set_volume(int channel, int volume);
void sound_stop(rct_sound *sound);
rct_sound* sound_remove(rct_sound* sound);
void pause_sounds();
void unpause_sounds();

4
src/ride.h
View File

@ -109,7 +109,9 @@ typedef struct {
uint16 build_date;
sint16 upkeep_cost; // 0x182
uint16 race_winner; // 0x184
uint8 pad_186[0x10];
uint8 pad_186[0x06];
uint8 var_18C;
uint8 pad_18D[0x09];
uint16 var_196;
// used in computing excitement, nausea, etc
uint8 var_198;

21
src/vehicle.h
View File

@ -35,8 +35,27 @@ typedef struct {
sint16 x; // 0x0E
sint16 y; // 0x10
sint16 z; // 0x12
uint8 pad_14[0x2A];
uint8 pad_14[0x0B];
uint8 var_1F;
uint8 pad_20[0x08];
uint32 var_28;
uint8 pad_2C[0x04];
uint8 ride; // 0x30
uint8 var_31;
uint8 pad_32[0x0C];
uint16 next_vehicle_on_train; // 0x3E
uint8 pad_40[0x08];
uint16 var_48;
uint8 pad_4A[0x06];
uint8 var_50;
uint8 var_51;
uint8 pad_52[0x69];
uint16 var_BB;
uint16 var_BD;
uint8 pad_BF[0x0D];
uint8 var_CC;
uint8 pad_CD[0x09];
uint8 var_D6;
} rct_vehicle;
void vehicle_update_all();