1 files changed, 135 insertions, 0 deletions
diff --git a/src/audio/AudioManager.h b/src/audio/AudioManager.h
new file mode 100644
index 0000000..decb0b5
--- /dev/null
+++ b/src/audio/AudioManager.h
@@ -0,0 +1,135 @@
+#pragma once
+
+#include <vector>
+#include <string>
+#include <iostream>
+#include <unordered_map>
+
+#define NONE 0xFFFF
+#define ALIGN(val, al) (size_t) ((val + (al - 1)) & -al)
+
+struct Entry {
+    uint32_t offset;
+    uint32_t length;
+};
+
+struct Sound {
+    uint32_t offset;
+    float tuning;
+    bool operator==(const Sound& other) const {
+        return offset == other.offset && tuning == other.tuning;
+    }
+};
+
+struct Inst {
+    std::string name;
+    uint32_t offset;
+    uint8_t releaseRate;
+    uint8_t normalRangeLo;
+    uint8_t normalRangeHi;
+    uint32_t envelope;
+    std::optional<Sound> soundLo;
+    std::optional<Sound> soundMed;
+    std::optional<Sound> soundHi;
+};
+
+struct Book {
+    uint32_t order{};
+    uint32_t npredictors{};
+    std::vector<short> table;
+    bool operator==(const Book& other) const {
+        return order == other.order && npredictors == other.npredictors && table == other.table;
+    }
+};
+
+struct Drum {
+    std::string name;
+    uint32_t offset;
+    uint8_t releaseRate;
+    uint8_t pan;
+    uint32_t envelope;
+    Sound sound;
+    bool operator==(const Drum& other) const {
+        return name == other.name && offset == other.offset && releaseRate == other.releaseRate && pan == other.pan && envelope == other.envelope && sound == other.sound;
+    }
+};
+
+struct Loop {
+    uint32_t start{};
+    uint32_t end{};
+    int32_t count{};
+    uint32_t pad{};
+    std::optional<std::vector<short>> state;
+    bool operator==(const Loop& other) const {
+        return start == other.start && end == other.end && count == other.count && pad == other.pad && state == other.state;
+    }
+};
+
+struct AifcEntry {
+    std::string name;
+    std::vector<uint8_t> data;
+    Book book;
+    Loop loop;
+    std::vector<float> tunings;
+};
+
+struct SampleBank {
+    std::string name;
+    uint32_t offset;
+    std::vector<uint8_t> data;
+    std::unordered_map<uint32_t, AifcEntry> entries;
+
+    AifcEntry AddSample(uint32_t addr, size_t sampleSize, const Book& book, const Loop& loop);
+};
+
+struct TBLFile {
+    std::vector<SampleBank> banks;
+    std::vector<std::string> tbls;
+    std::unordered_map<std::string, uint32_t> map;
+};
+
+struct CTLHeader {
+    uint32_t instruments;
+    uint32_t numDrums;
+    uint32_t shared;
+};
+
+typedef std::pair<unsigned short, unsigned short> EnvelopeData;
+
+struct Envelope {
+    std::string name;
+    std::vector<EnvelopeData> entries;
+};
+
+struct Bank {
+    std::string name;
+    SampleBank sampleBank;
+    std::vector<Inst> insts;
+    std::vector<Drum> drums;
+    std::vector<std::variant<Inst, std::vector<Drum>>> allInsts;
+    std::vector<uint32_t> instOffsets;
+    std::unordered_map<uint32_t, Envelope> envelopes;
+    std::unordered_map<uint32_t, AifcEntry> samples;
+    void print() const;
+};
+
+class AudioManager {
+public:
+    static AudioManager* Instance;
+    void initialize(std::vector<uint8_t>& buffer);
+
+private:
+    static std::vector<Entry> parse_seq_file(std::vector<uint8_t>& buffer, uint32_t offset, bool isCTL);
+    static CTLHeader parse_ctl_header(std::vector<uint8_t>& data);
+    static std::optional<Sound> parse_sound(std::vector<uint8_t> data);
+    static Drum parse_drum(std::vector<uint8_t>& data, uint32_t addr);
+    static Inst parse_inst(std::vector<uint8_t>& data, uint32_t addr);
+    static Loop parse_loop(uint32_t addr, std::vector<uint8_t>& bankData);
+    static Book parse_book(uint32_t addr, std::vector<uint8_t>& bankData);
+    static AifcEntry parse_sample(std::vector<uint8_t>& data, std::vector<uint8_t>& bankData, SampleBank& sampleBank);
+    static std::vector<EnvelopeData> parse_envelope(uint32_t addr, std::vector<uint8_t>& dataBank);
+    static Bank parse_ctl(CTLHeader header, std::vector<uint8_t> data, SampleBank bank, uint32_t index);
+    static TBLFile parse_tbl(std::vector<uint8_t>& data, std::vector<Entry>& entries);
+
+    std::vector<Bank> banks;
+};
+\ No newline at end of file