mirror of
https://github.com/OpenRCT2/OpenRCT2
synced 2026-01-16 19:43:06 +01:00
Merge pull request #380 from zsilencer/master
couple functions decompiled
This commit is contained in:
Ted John
310
src/audio.c
310
src/audio.c
@@ -187,6 +187,18 @@ int sound_load3dparameters()
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return 0;
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}
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/**
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*
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* rct2: 0x00404F3F
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*/
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int sound_load3dposition()
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{
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/*if (SUCCEEDED(RCT2_GLOBAL(0x009E2BA4, LPDIRECTSOUND3DBUFFER)->lpVtbl->GetPosition(RCT2_GLOBAL(0x009E2BA4, LPDIRECTSOUND3DBUFFER), &RCT2_GLOBAL(0x009A6084, DS3DBUFFER), 1))) {
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return 1;
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}*/
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return 0;
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}
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/**
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*
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* rct2: 0x00404932
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@@ -240,7 +252,7 @@ int dsound_create_primary_buffer(int a, int device, int channels, int samples, i
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RCT2_GLOBAL(0x009A6084, DS3DBUFFER).vPosition.x = -1.0f;
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RCT2_GLOBAL(0x009A6084, DS3DBUFFER).flMaxDistance = 9.8999996f;
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RCT2_GLOBAL(0x009A6084, DS3DBUFFER).flMinDistance = 0.25f;
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if (RCT2_CALLFUNC(0x00404F3F, int)) {
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if (sound_load3dposition()) {
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if (SUCCEEDED(RCT2_GLOBAL(0x009E2BA4, LPDIRECTSOUND3DBUFFER)->lpVtbl->SetMinDistance(RCT2_GLOBAL(0x009E2BA4, LPDIRECTSOUND3DBUFFER), RCT2_GLOBAL(0x009A6084, DS3DBUFFER).flMinDistance, 1))) {
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if (sound_load3dparameters()) {
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return 1;
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@@ -338,13 +350,305 @@ int map_sound_info(const char* filename)
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}
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}
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/**
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*
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* rct2: 0x00405383
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*/
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MMRESULT sub_405383(HMMIO hmmio, uint32 size, char* buffer, LPMMCKINFO a4, int* read)
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{
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MMIOINFO mmioinfo;
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MMRESULT result;
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result = mmioGetInfo(hmmio, &mmioinfo, 0);
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if (result != 0) {
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*read = 0;
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return 1;
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}
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int size2 = size;
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if (size > a4->cksize) {
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size2 = a4->cksize;
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}
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int v8 = 0;
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a4->cksize -= size2;
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if (size2) {
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while (1) {
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HPSTR p = mmioinfo.pchEndRead;
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if (mmioinfo.pchNext == mmioinfo.pchEndRead) {
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result = mmioAdvance(hmmio, &mmioinfo, 0);
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if (result != 0) {
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*read = 0;
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return result;
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}
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p = mmioinfo.pchEndRead;
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if (mmioinfo.pchNext == mmioinfo.pchEndRead) {
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break;
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}
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}
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int q = p - mmioinfo.pchNext;
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if (size2 - v8 < p - mmioinfo.pchNext) {
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q = size2 - v8;
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}
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memcpy(&buffer[v8], mmioinfo.pchNext, q);
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mmioinfo.pchNext += q;
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v8 += q;
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if (v8 >= size2) {
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result = mmioSetInfo(hmmio, &mmioinfo, 0);
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if (result != 0) {
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*read = 0;
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return result;
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} else {
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*read = size2;
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return result;
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}
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}
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}
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*read = 0;
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return 57603;
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}
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result = mmioSetInfo(hmmio, &mmioinfo, 0);
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if (result != 0) {
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*read = 0;
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return result;
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} else {
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*read = size2;
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return result;
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}
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}
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/**
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*
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* rct2: 0x00401822
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*/
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int sub_401822(int channel, HMMIO* hmmio, LONG offset)
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{
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rct_sound_channel* sound_channel = &RCT2_ADDRESS(0x014262E0, rct_sound_channel)[channel];
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LPMMCKINFO v4 = &sound_channel->mmckinfo2;
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HMMIO* v5 = &sound_channel->hmmio;
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if (RCT2_CALLFUNC_4(0x00405222, int, HMMIO*, HMMIO*, HGLOBAL*, LPMMCKINFO, hmmio, &sound_channel->hmmio, &sound_channel->hmem, &sound_channel->mmckinfo2)) {
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return -100;
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}
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if (*(uint16*)sound_channel->hmem != 1) {
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sound_channel_free(&sound_channel->hmmio, &sound_channel->hmem);
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return -101;
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}
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if (RCT2_CALLFUNC_4(0x00405465, int, HMMIO*, LPMMCKINFO, LPMMCKINFO, int, &sound_channel->hmmio, &sound_channel->mmckinfo1, &sound_channel->mmckinfo2, offset)) {
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sound_channel_free(&sound_channel->hmmio, &sound_channel->hmem);
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return -103;
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}
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sound_channel->var_158 = offset;
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return 0;
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}
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/**
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*
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* rct2: 0x0040153B
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*/
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int sub_40153B(int channel)
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{
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rct_sound_channel* sound_channel = &RCT2_ADDRESS(0x014262E0, rct_sound_channel)[channel];
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if (sound_channel->var_4) {
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if (sound_channel->hmmio) {
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sound_channel_free(&sound_channel->hmmio, &sound_channel->hmem);
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}
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if (sub_401822(channel, (HMMIO*)&sound_channel->var_8, sound_channel->var_110)) {
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return 0;
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}
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sound_channel->var_164 = sound_channel->var_114;
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sound_channel->var_118 = sound_channel->var_110;
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sound_channel->var_4 = 0;
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} else {
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int result = RCT2_CALLFUNC_4(0x00405465, int, HMMIO*, LPMMCKINFO, LPMMCKINFO, int, &sound_channel->hmmio, &sound_channel->mmckinfo1, &sound_channel->mmckinfo2, sound_channel->var_118);
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sound_channel->var_158 = sound_channel->var_118;
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if (result) {
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return 0;
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}
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}
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return 1;
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}
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/**
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*
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* rct2: 0x00401000
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*/
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void sub_401000(UINT uTimerID, UINT uMsg, DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2, int channel)
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{
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RCT2_CALLFUNC_6(0x00401000, void, UINT, UINT, DWORD_PTR, DWORD_PTR, DWORD_PTR, int, uTimerID, uMsg, dwUser, dw1, dw2, channel);
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rct_sound_channel* sound_channel = &RCT2_ADDRESS(0x014262E0, rct_sound_channel)[channel];
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DWORD status;
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DWORD dwCurrentPlayCursor;
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DWORD dwCurrentWriteCursor;
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uint32 var1;
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int var2;
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int bufferlost = 0;
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char* buf1;
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int buf1size;
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char* buf2;
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int buf2size;
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sound_channel->dsbuffer->lpVtbl->GetStatus(sound_channel->dsbuffer, &status);
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if (status & DSBSTATUS_BUFFERLOST) {
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if (FAILED(sound_channel->dsbuffer->lpVtbl->Restore(sound_channel->dsbuffer))) {
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return;
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}
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sound_channel->playpos = 0;
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bufferlost = 1;
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}
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sound_channel->dsbuffer->lpVtbl->GetCurrentPosition(sound_channel->dsbuffer, &dwCurrentPlayCursor, &dwCurrentWriteCursor);
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if (dwCurrentPlayCursor != sound_channel->playpos || bufferlost) {
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if (sound_channel->var_168 && !sound_channel->var_15C) {
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if (!sound_channel->var_160) {
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sound_channel->var_160 = 1;
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if (!sound_channel->var_4) {
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LPDIRECTSOUNDBUFFER dsbuffer = RCT2_ADDRESS(RCT2_ADDRESS_DSOUND_BUFFERS, LPDIRECTSOUNDBUFFER)[channel];
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sound_channel->var_0 = 0;
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if (dsbuffer) {
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dsbuffer->lpVtbl->Stop(dsbuffer);
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dsbuffer->lpVtbl->Release(dsbuffer);
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RCT2_ADDRESS(RCT2_ADDRESS_DSOUND_BUFFERS, LPDIRECTSOUNDBUFFER)[channel] = 0;
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}
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if (sound_channel->hmmio) {
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sound_channel_free(&sound_channel->hmmio, &sound_channel->hmem);
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}
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}
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}
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return;
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}
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if (dwCurrentPlayCursor >= sound_channel->playpos) {
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var1 = dwCurrentPlayCursor - sound_channel->playpos;
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} else {
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var1 = dwCurrentPlayCursor + sound_channel->var_150 - sound_channel->playpos;
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}
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if (bufferlost) {
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var2 = 2 * sound_channel->var_150 / 6;
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} else {
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var2 = var1;
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}
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sound_channel->var_158 += var1;
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if (sound_channel->var_168) {
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uint32 var3 = sound_channel->var_15C;
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uint32* var4 = &sound_channel->var_15C;
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if (var3) {
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if (var1 <= var3) {
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*var4 = var3 - var1;
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} else {
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*var4 = 0;
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}
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if (SUCCEEDED(sound_channel->dsbuffer->lpVtbl->Lock(sound_channel->dsbuffer, sound_channel->playpos, var2, (LPVOID*)&buf1, (LPDWORD)&buf1size, (LPVOID*)&buf2, (LPDWORD)&buf2size, 0))) {
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uint16 var5 = -(sound_channel->mmckinfo1.cksize != 8);
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var5 &= 0x80;
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memset(buf1, var5 + 128, buf1size);
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if (buf2 && buf2size) {
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uint16 var5 = -(sound_channel->mmckinfo1.cksize != 8);
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var5 &= 0x80;
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memset(buf2, var5 + 128, buf2size);
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}
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sound_channel->dsbuffer->lpVtbl->Unlock(sound_channel->dsbuffer, buf1, buf1size, buf2, buf2size);
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sound_channel->playpos += var2;
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if (sound_channel->playpos >= sound_channel->var_150) {
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sound_channel->playpos = sound_channel->playpos - sound_channel->var_150;
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}
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return;
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}
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// TimeFunc() could not lock DirectSoundBuffer
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return;
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}
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}
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if (FAILED(sound_channel->dsbuffer->lpVtbl->Lock(sound_channel->dsbuffer, sound_channel->playpos, var2, (LPVOID*)&buf1, (LPDWORD)&buf1size, (LPVOID*)&buf2, &buf2size, 0))) {
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// TimeFunc() could not lock DirectSoundBuffer
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return;
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}
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if (buf1size) {
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if (sound_channel->var_160) {
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uint16 var5 = -(sound_channel->mmckinfo1.cksize != 8);
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var5 &= 0x80;
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memset(buf1, var5 + 128, buf1size);
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goto label49;
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}
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}
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int var7;
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sub_405383(sound_channel->hmmio, buf1size, buf1, &sound_channel->mmckinfo1, &var7);
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if (var7 < buf1size) {
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if (!sound_channel->var_164) {
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int s = sound_channel->mmckinfo1.cksize;
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int t = buf1size - var7;
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int v;
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if (s == 8) {
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v = 128;
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} else {
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if (s != 16) {
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goto label42;
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}
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v = 0;
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}
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memset(&buf1[var7], v, t);
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label42:
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sound_channel->var_168 = 1;
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if (dwCurrentPlayCursor <= sound_channel->playpos) {
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sound_channel->var_15C = sound_channel->playpos - dwCurrentPlayCursor;
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} else {
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sound_channel->var_15C = sound_channel->playpos + sound_channel->var_150 - dwCurrentPlayCursor;
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}
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goto label49;
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}
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char* v21 = buf1;
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int v38 = buf1size;
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do {
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v38 -= var7;
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v21 += var7;
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sub_40153B(channel);//RCT2_CALLFUNC_1(0x0040153B, int, int, channel);
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sub_405383(sound_channel->hmmio, v38, v21, &sound_channel->mmckinfo1, &var7);
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} while(var7 < v38);
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}
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label49:
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if (buf2size == 0 || sound_channel->var_160 != 0) {
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if(buf2 != 0 && buf2size != 0 && sound_channel->var_160 != 0) {
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int var5 = -(sound_channel->mmckinfo1.cksize != 8);
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var5 &= 0x80;
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memset(buf2, var5 + 128, buf2size);
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}
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goto label68;
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}
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sub_405383(sound_channel->hmmio, buf2size, buf2, &sound_channel->mmckinfo1, &var7);
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if (var7 >= buf2size) {
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label68:
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sound_channel->dsbuffer->lpVtbl->Unlock(sound_channel->dsbuffer, buf1, buf1size, buf2, buf2size);
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sound_channel->playpos += var2;
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if (sound_channel->playpos >= sound_channel->var_150) {
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sound_channel->playpos -= sound_channel->var_150;
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}
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if (bufferlost != 0) {
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sound_channel->dsbuffer->lpVtbl->Play(sound_channel->dsbuffer, 0, 0, DSBPLAY_LOOPING);
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}
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return;
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}
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if (sound_channel->var_164 != 0) {
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char* v26 = buf2;
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int v27 = buf2size;
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do {
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v26 += var7;
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v27 -= var7;
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sub_40153B(channel);//RCT2_CALLFUNC_1(0x0040153B, int, int, channel);
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sub_405383(sound_channel->hmmio, v27, v26, &sound_channel->mmckinfo1, &var7);
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} while(var7 < v27);
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goto label68;
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}
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int s = buf2size - var7;
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int v;
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if (sound_channel->hmem == (HGLOBAL)8) {
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v = 128;
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} else {
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if (sound_channel->hmem != (HGLOBAL)16) {
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goto label58;
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}
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v = 0;
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}
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memset(&buf2[var7], v, s);
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label58:
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sound_channel->var_168 = 1;
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if (dwCurrentPlayCursor <= sound_channel->playpos) {
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sound_channel->var_15C = sound_channel->playpos - dwCurrentPlayCursor;
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} else {
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sound_channel->var_15C = sound_channel->playpos + sound_channel->var_150 - dwCurrentPlayCursor;
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}
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goto label68;
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}
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}
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/**
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@@ -1047,7 +1351,7 @@ int sound_channel_stop(int channel)
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while (_InterlockedExchange(&RCT2_GLOBAL(0x009E1AAC, LONG), 1) != 1) {
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Sleep(10);
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}
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if (sound_channel->hmem) {
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if (sound_channel->hmmio) {
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sound_channel_free(&sound_channel->hmmio, &sound_channel->hmem);
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}
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20
src/audio.h
20
src/audio.h
@@ -69,10 +69,21 @@ typedef struct {
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typedef struct {
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uint32 var_0;
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uint8 pad_4[0x118];
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HMMIO hmmio;
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HGLOBAL hmem;
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uint8 pad_124[0x3C];
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uint32 var_4;
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uint32 var_8;
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uint8 pad_C[0x104];
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uint32 var_110;
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uint32 var_114;
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uint32 var_118;
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HGLOBAL hmem; // 0x11C
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HMMIO hmmio; // 0x120
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MMCKINFO mmckinfo1; // 0x124
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MMCKINFO mmckinfo2; // 0x138
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LPDIRECTSOUNDBUFFER dsbuffer; // 0x14C
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uint32 var_150;
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uint32 playpos; // 0x154
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uint32 var_158;
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uint32 var_15C;
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uint32 var_160;
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uint32 var_164;
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uint32 var_168;
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@@ -112,6 +123,7 @@ int sound_channel_play(int channel, int a2, int volume, int pan, int frequency);
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int sound_channel_set_frequency(int channel, int frequency);
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int sound_channel_set_pan(int channel, int pan);
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int sound_channel_set_volume(int channel, int volume);
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void sound_channel_free(HMMIO* hmmio, HGLOBAL* hmem);
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int sound_stop(rct_sound *sound);
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int sound_stop_all();
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int unmap_file(LPCVOID base);
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