Implement Z2AudioCS (#3103)

src/Z2AudioCS/SpkTable.cpp

@@ -0,0 +1,44 @@
+#include "Z2AudioCS/SpkTable.h"
+
+SpkTable::SpkTable(void) {
+    mIsInitialized = false;
+    mNumOfSound = 0;
+    mEntryOffset = 0;
+    mDataOffsets = 0;
+}
+
+struct SpkTableHeader {
+    s32 resourceCount;
+    s32 entryOff;
+    s32 dataOffsetsStartOff;
+    BOOL isDataOffsetsInitialized;
+};
+
+void SpkTable::setResource(void* res) {
+    mIsInitialized = false;
+
+    s32* cursor = (s32*)res;
+
+    s32 resourceCount = *cursor++;
+    s32 entryOff = *cursor++;
+    s32 dataOffsetsStartOff = *cursor++;
+    s32* pIsDataOffsetsInitialized = cursor;
+    BOOL isDataOffsetsInitialized = *cursor++;
+
+    mNumOfSound = resourceCount;
+
+    s32 entryOffset = (s32)res + entryOff;
+    mEntryOffset = entryOffset;
+    s32* dataOffsets = (s32*)((s32)res + dataOffsetsStartOff);
+    if (!isDataOffsetsInitialized) {
+        for (s32 i = 0; i < mNumOfSound; i++) {
+            dataOffsets[i] += (s32)res;
+        }
+    }
+
+    s32* dataOffsetsCopy = dataOffsets;
+    mDataOffsets = dataOffsetsCopy;
+    *pIsDataOffsetsInitialized = TRUE;
+
+    mIsInitialized = true;
+}