jak-project/game/sound/sdshim.cpp

98 lines
2.1 KiB
C++

#include "sdshim.h"
#include <cstring>
#include "common/common_types.h"
#include "game/sound/common/voice.h"
#include "third-party/fmt/core.h"
std::shared_ptr<snd::voice> voice;
u8 spu_memory[0xc060];
static sceSdTransIntrHandler trans_handler[2] = {nullptr, nullptr};
static void* userdata[2] = {nullptr, nullptr};
u32 sceSdGetSwitch(u32 entry) {
// we can ignore this, only used for getting vmix
return 0;
}
u32 sceSdGetAddr(u32 entry) {
if (!voice) {
return 0;
}
// u32 core = entry & 1;
// u32 voice->id = (entry >> 1) & 0x1f;
// u32 reg = entry & ~0x3f;
// Only ever used for getting NAX
return voice->get_nax() << 1;
}
void sceSdSetSwitch(u32 entry, u32 value) {
// we can ignore this, only used for vmix
}
void sceSdSetAddr(u32 entry, u32 value) {
if (!voice) {
return;
}
[[maybe_unused]] u32 core = entry & 1;
[[maybe_unused]] u32 voice_id = (entry >> 1) & 0x1f;
u32 reg = entry & ~0x3f;
switch (reg) {
case SD_VA_SSA: {
voice->set_ssa(value >> 1);
} break;
case SD_VA_LSAX: {
voice->set_lsa(value >> 1);
} break;
}
}
void sceSdSetParam(u32 entry, u32 value) {
if (!voice) {
return;
}
[[maybe_unused]] u32 core = entry & 1;
[[maybe_unused]] u32 voice_id = (entry >> 1) & 0x1f;
u32 reg = entry & ~0x3f;
switch (reg) {
case SD_VP_VOLL: {
voice->set_volume_l(value);
} break;
case SD_VP_VOLR: {
voice->set_volume_r(value);
} break;
case SD_VP_PITCH: {
voice->set_pitch(value);
} break;
case SD_VP_ADSR1: {
voice->set_asdr1(value);
} break;
case SD_VP_ADSR2: {
voice->set_asdr2(value);
} break;
default: {
} break;
}
}
void sceSdSetTransIntrHandler(s32 channel, sceSdTransIntrHandler handler, void* data) {
trans_handler[channel] = handler;
userdata[channel] = data;
}
u32 sceSdVoiceTrans(s32 channel, s32 mode, void* iop_addr, u32 spu_addr, u32 size) {
memcpy(&spu_memory[spu_addr], iop_addr, size);
if (trans_handler[channel] != nullptr) {
trans_handler[channel](channel, userdata);
}
return size;
}