From 803bc041c7e228e2b7c88afd1121550e51db3f82 Mon Sep 17 00:00:00 2001
From: Max Roncace <me@caseif.net>
Date: Fri, 20 Feb 2026 05:53:27 -0500
Subject: Implement Z2AudioCS (#3103)

---
 src/Z2AudioCS/Z2AudioCS.cpp | 162 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 src/Z2AudioCS/Z2AudioCS.cpp

(limited to 'src/Z2AudioCS/Z2AudioCS.cpp')

diff --git a/src/Z2AudioCS/Z2AudioCS.cpp b/src/Z2AudioCS/Z2AudioCS.cpp
new file mode 100644
index 0000000000..e619876537
--- /dev/null
+++ b/src/Z2AudioCS/Z2AudioCS.cpp
@@ -0,0 +1,162 @@
+#include "Z2AudioCS/Z2AudioCS.h"
+
+#include "Z2AudioCS/SpkSystem.h"
+#include "JSystem/JKernel/JKRHeap.h"
+#include <revolution/types.h>
+#include <revolution/wpad.h>
+
+#define HANDLES_MAX 0x30
+
+static SpkSoundHandle* sSpkHandles;
+
+static u8 l_spkVolume;
+
+void Z2AudioCS::newSpkSoundMemPool() {
+    SpkSystem::newSoundMemPool(HANDLES_MAX);
+}
+
+int Z2AudioCS::init(JKRHeap* heap, JKRArchive* res, s32 param_2, s32 param_3) {
+    JUT_ASSERT(59, heap);
+    JUT_ASSERT(60, res);
+    SpkSystem* spkSys = new(heap, 0) SpkSystem(heap);
+    JUT_ASSERT(67, spkSys);
+
+    sSpkHandles = new (heap, 0) SpkSoundHandle[HANDLES_MAX];
+    JUT_ASSERT(71, sSpkHandles);
+
+    spkSys->setResource(res, 2, 3);
+    spkSys->setMasterVolume(1.0f);
+    spkSys->setConfigVolume(15);
+}
+
+void Z2AudioCS::update() {
+    if (JASGlobalInstance<SpkSystem>::getInstance() != NULL) {
+        JASGlobalInstance<SpkSystem>::getInstance()->framework();
+    }
+}
+
+void Z2AudioCS::connect(s32 chan) {
+    SpkSystem::connect(chan);
+    l_spkVolume = WPADGetSpeakerVolume();
+}
+
+void Z2AudioCS::disconnect(s32 chan) {
+    SpkSystem::disconnect(chan);
+}
+
+void Z2AudioCS::extensionProcess(s32 chan, s32 param_1) {
+    SpkSystem::extensionProcess(chan, param_1);
+}
+
+static SpkSoundHandle* getFreeSpkHandle(void) {
+    JUT_ASSERT(125, JASGlobalInstance<SpkSystem>::getInstance());
+    JUT_ASSERT(126, sSpkHandles);
+
+    SpkSoundHandle* highestPriorityHandle = NULL;
+    s32 highestPriority = 255;
+    for (s32 i = 0; i < HANDLES_MAX; i++) {
+        if (!sSpkHandles[i].isSoundAttached()) {
+            return &sSpkHandles[i];
+        }
+
+        if (sSpkHandles[i]->getPriority() < highestPriority) {
+            highestPriorityHandle = &sSpkHandles[i];
+            highestPriority = sSpkHandles[i]->getPriority();
+        }
+    }
+
+    return highestPriorityHandle;
+}
+
+SpkSoundHandle* Z2AudioCS::getHandleSoundID(s32 soundNum) {
+    JUT_ASSERT(145, JASGlobalInstance<SpkSystem>::getInstance());
+    JUT_ASSERT(146, sSpkHandles);
+
+    for (s32 i = 0; i < HANDLES_MAX; i++) {
+        if (!sSpkHandles[i].isSoundAttached()) {
+            continue;
+        }
+
+        if (sSpkHandles[i]->getSoundNum() == soundNum) {
+            return &sSpkHandles[i];
+        }
+    }
+
+    return NULL;
+}
+
+SpkSoundHandle* Z2AudioCS::start(s32 id, s32 chan) {
+    if (JASGlobalInstance<SpkSystem>::getInstance() == NULL) {
+        return NULL;
+    }
+    if (sSpkHandles == NULL) {
+        return NULL;
+    }
+    if (l_spkVolume == 0) {
+        return NULL;
+    }
+
+    OS_REPORT("[Z2AudioCS::start] id:%d ch:%d\n", id, chan);
+    SpkSoundHandle* handle = getFreeSpkHandle();
+    JUT_ASSERT(172, handle);
+
+    JASGlobalInstance<SpkSystem>::getInstance()->startSound(chan, id, handle);
+    return handle;
+}
+
+SpkSoundHandle* Z2AudioCS::startLevel(s32 id, s32 chan) {
+    if (JASGlobalInstance<SpkSystem>::getInstance() == NULL) {
+        return NULL;
+    }
+    if (sSpkHandles == NULL) {
+        return NULL;
+    }
+    if (l_spkVolume == 0) {
+        return NULL;
+    }
+
+    OS_REPORT("[Z2AudioCS::startLevel] id:%d ch:%d\n", id, chan);
+
+    SpkSoundHandle* handle = getHandleSoundID(id);
+    if (handle == NULL) {
+        handle = getFreeSpkHandle();
+    }
+    JUT_ASSERT(191, handle);
+
+    JASGlobalInstance<SpkSystem>::getInstance()->startLevelSound(chan, id, handle);
+    return handle;
+}
+
+s32 Z2AudioCS::getName(s32 num) {
+    if (JASGlobalInstance<SpkSystem>::getInstance() == NULL) {
+        return 0;
+    }
+    if (JASGlobalInstance<SpkSystem>::getInstance()->getData() == NULL) {
+        return 0;
+    }
+
+    return JASGlobalInstance<SpkSystem>::getInstance()->getData()->getTableMgr().getName(num);
+}
+
+s32 Z2AudioCS::getNumOfSound(void) {
+    if (JASGlobalInstance<SpkSystem>::getInstance() == NULL) {
+        return 0;
+    }
+    if (JASGlobalInstance<SpkSystem>::getInstance()->getData() == NULL) {
+        return 0;
+    }
+
+    return JASGlobalInstance<SpkSystem>::getInstance()->getData()->getTableMgr().getNumOfSound();
+}
+
+void Z2AudioCS::stopAll(s32 chan, s32 msec) {
+    if (JASGlobalInstance<SpkSystem>::getInstance() == NULL) {
+        return;
+    }
+
+    JASGlobalInstance<SpkSystem>::getInstance()->stopAll(chan, msec);
+}
+
+void Z2AudioCS::stop(s32 chan) {
+    stopAll(chan, 0);
+}
-- 
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