init (third)

Author: src3453

.gitignore

@@ -0,0 +1,6 @@
+# Build directories
+/build
+/.vs
+/lib
+/.vscode
+

.gitmodules

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+[submodule "lib/JUCE"]
+	path = lib/JUCE
+	url = https://github.com/juce-framework/JUCE

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.22)
+
+project(juce_cmake_template VERSION 0.0.1)
+
+enable_language(CXX)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+    add_compile_options(/utf-8)
+endif()
+
+add_subdirectory(lib/JUCE)
+
+juce_add_plugin(3HSPlug
+
+    COMPANY_NAME "src3453 @ KiTsuNeKo Works"
+    COMPANY_COPYRIGHT "(C) 2025 src3453 licensed under AGPLv3"
+    PLUGIN_MANUFACTURER_CODE KTNK
+    PLUGIN_CODE 3HSP
+
+    FORMATS Standalone
+    PRODUCT_NAME "3HSPlug")
+
+juce_generate_juce_header(3HSPlug)
+
+target_sources(3HSPlug
+    PRIVATE
+        src/PluginEditor.cpp
+        src/PluginProcessor.cpp
+        src/PatchBankData.cpp
+        src/DrumKeymapManager.cpp
+        src/DrumPcmSampleLoader.cpp
+)
+
+target_compile_definitions(3HSPlug
+    PUBLIC
+        JUCE_WEB_BROWSER=0
+        JUCE_USE_CURL=0
+        JUCE_VST3_CAN_REPLACE_VST2=0)
+
+target_link_libraries(3HSPlug
+    PRIVATE
+        juce::juce_audio_utils
+    PUBLIC
+        juce::juce_recommended_config_flags
+        juce::juce_recommended_lto_flags
+        juce::juce_recommended_warning_flags)

CMakePresets.json

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+{
+  "version": 3,
+  "cmakeMinimumRequired": {
+    "major": 3,
+    "minor": 22,
+    "patch": 0
+  },
+  "configurePresets": [
+    {
+      "name": "vs2022",
+      "displayName": "Visual Studio 17 2022",
+      "generator": "Visual Studio 17 2022",
+      "binaryDir": "${sourceDir}/build",
+      "cacheVariables": {
+        "CMAKE_BUILD_TYPE": "RelWithDebInfo"
+      }
+    }
+  ]
+}

LICENSE

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+3HS88PWN4
+A core sound engine source code of 3HS88PWN4, a fantasy sound chip that written in C++. Also called S3HS for short, 3SGUC2 for internal Sound Generation Unit.
+
+3HS88PWN4 Specifications:
+8-Channel 8-Operator Harmonic Synthesizer
+4-Channel PCM/Wavetable/Noise Synthesizer (With IIR Filter)
+16-bit 48KHz Stereo Linear PCM DAC
+3-band EQ (Low, Mid, High)
+Envelope Generator (ADSR)
+FM, RM, iPD, and combination synthesis modes
+8-bit PCM Sample Memory (4096 KBytes)
+Modulation with dynamic wavetable from PCM channel
+3HS88PWN4 I/O Map Allocations:
+0x000000 - 0x3FFFFF: PCM Sample Memory (4096 KBytes)
+0x400000 - 0x4003FF: Register Memory (512 Bytes)
+0x400400 - 0x403FFF: Unused
+
+register maps:
+
+|RAM Addr.| |0|1|2|3|4|5|6|7|8|9|A|B|C|D|E|F| | |
+|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
+|0x400000| |OP1 Freq| |OP2 Freq| |OP3 Freq	| |OP4 Freq| |OP5 Freq| |OP6 Freq| |OP7 Freq| |OP8 Freq	| |CH1| |
+|0x400010| |OP1V|OP2V|OP3V|OP4V|OP5V|OP6V|OP7V|OP8V|OP1W OP2W|OP3W OP4W|OP5W OP6W|OP7W OP8W|Mod Mode|L/R Vol|Gate|Mod FB| | |
+|0x400020| |OP1A|OP1D|OP1S|OP1R|OP2A|OP2D|OP2S|OP2R|OP3A|OP3D|OP3S|OP3R|OP4A|OP4D|OP4S|OP4R| | |
+|0x400030| |OP5A|OP5D|OP5S|OP5R|OP6A|OP6D|OP6S|OP6R|OP7A|OP7D|OP7S|OP7R|OP8A|OP8D|OP8S|OP8R| | |
+|0x400040| |OP1 Freq| |OP2 Freq| |OP3 Freq	| |OP4 Freq| |OP5 Freq| |OP6 Freq| |OP7 Freq| |OP8 Freq	| |CH2| |
+|0x400050| |OP1V|OP2V|OP3V|OP4V|OP5V|OP6V|OP7V|OP8V|OP1W OP2W|OP3W OP4W|OP5W OP6W|OP7W OP8W|Mod Mode|L/R Vol|Gate|Mod FB| | |
+|0x400060| |OP1A|OP1D|OP1S|OP1R|OP2A|OP2D|OP2S|OP2R|OP3A|OP3D|OP3S|OP3R|OP4A|OP4D|OP4S|OP4R| | |
+|0x400070| |OP5A|OP5D|OP5S|OP5R|OP6A|OP6D|OP6S|OP6R|OP7A|OP7D|OP7S|OP7R|OP8A|OP8D|OP8S|OP8R| | |
+|0x400080| |OP1 Freq| |OP2 Freq| |OP3 Freq	| |OP4 Freq| |OP5 Freq| |OP6 Freq| |OP7 Freq| |OP8 Freq	| |CH3| |
+|0x400090| |OP1V|OP2V|OP3V|OP4V|OP5V|OP6V|OP7V|OP8V|OP1W OP2W|OP3W OP4W|OP5W OP6W|OP7W OP8W|Mod Mode|L/R Vol|Gate|Mod FB| | |
+|0x4000A0| |OP1A|OP1D|OP1S|OP1R|OP2A|OP2D|OP2S|OP2R|OP3A|OP3D|OP3S|OP3R|OP4A|OP4D|OP4S|OP4R| | |
+|0x4000B0| |OP5A|OP5D|OP5S|OP5R|OP6A|OP6D|OP6S|OP6R|OP7A|OP7D|OP7S|OP7R|OP8A|OP8D|OP8S|OP8R| | |
+|0x4000C0| |OP1 Freq| |OP2 Freq| |OP3 Freq	| |OP4 Freq| |OP5 Freq| |OP6 Freq| |OP7 Freq| |OP8 Freq	| |CH4| |
+|0x4000D0| |OP1V|OP2V|OP3V|OP4V|OP5V|OP6V|OP7V|OP8V|OP1W OP2W|OP3W OP4W|OP5W OP6W|OP7W OP8W|Mod Mode|L/R Vol|Gate|Mod FB| | |
+|0x4000E0| |OP1A|OP1D|OP1S|OP1R|OP2A|OP2D|OP2S|OP2R|OP3A|OP3D|OP3S|OP3R|OP4A|OP4D|OP4S|OP4R| | |
+|0x4000F0| |OP5A|OP5D|OP5S|OP5R|OP6A|OP6D|OP6S|OP6R|OP7A|OP7D|OP7S|OP7R|OP8A|OP8D|OP8S|OP8R| | |
+|0x400100| |OP1 Freq| |OP2 Freq| |OP3 Freq	| |OP4 Freq| |OP5 Freq| |OP6 Freq| |OP7 Freq| |OP8 Freq	| |CH5| |
+|0x400110| |OP1V|OP2V|OP3V|OP4V|OP5V|OP6V|OP7V|OP8V|OP1W OP2W|OP3W OP4W|OP5W OP6W|OP7W OP8W|Mod Mode|L/R Vol|Gate|Mod FB| | |
+|0x400120| |OP1A|OP1D|OP1S|OP1R|OP2A|OP2D|OP2S|OP2R|OP3A|OP3D|OP3S|OP3R|OP4A|OP4D|OP4S|OP4R| | |
+|0x400130| |OP5A|OP5D|OP5S|OP5R|OP6A|OP6D|OP6S|OP6R|OP7A|OP7D|OP7S|OP7R|OP8A|OP8D|OP8S|OP8R| | |
+|0x400140| |OP1 Freq| |OP2 Freq| |OP3 Freq	| |OP4 Freq| |OP5 Freq| |OP6 Freq| |OP7 Freq| |OP8 Freq	| |CH6| |
+|0x400150| |OP1V|OP2V|OP3V|OP4V|OP5V|OP6V|OP7V|OP8V|OP1W OP2W|OP3W OP4W|OP5W OP6W|OP7W OP8W|Mod Mode|L/R Vol|Gate|Mod FB| | |
+|0x400160| |OP1A|OP1D|OP1S|OP1R|OP2A|OP2D|OP2S|OP2R|OP3A|OP3D|OP3S|OP3R|OP4A|OP4D|OP4S|OP4R| | |
+|0x400170| |OP5A|OP5D|OP5S|OP5R|OP6A|OP6D|OP6S|OP6R|OP7A|OP7D|OP7S|OP7R|OP8A|OP8D|OP8S|OP8R| | |
+|0x400180| |OP1 Freq| |OP2 Freq| |OP3 Freq	| |OP4 Freq| |OP5 Freq| |OP6 Freq| |OP7 Freq| |OP8 Freq	| |CH7| |
+|0x400190| |OP1V|OP2V|OP3V|OP4V|OP5V|OP6V|OP7V|OP8V|OP1W OP2W|OP3W OP4W|OP5W OP6W|OP7W OP8W|Mod Mode|L/R Vol|Gate|Mod FB| | |
+|0x4001A0| |OP1A|OP1D|OP1S|OP1R|OP2A|OP2D|OP2S|OP2R|OP3A|OP3D|OP3S|OP3R|OP4A|OP4D|OP4S|OP4R| | |
+|0x4001B0| |OP5A|OP5D|OP5S|OP5R|OP6A|OP6D|OP6S|OP6R|OP7A|OP7D|OP7S|OP7R|OP8A|OP8D|OP8S|OP8R| | |
+|0x4001C0| |OP1 Freq| |OP2 Freq| |OP3 Freq	| |OP4 Freq| |OP5 Freq| |OP6 Freq| |OP7 Freq| |OP8 Freq	| |CH8| |
+|0x4001D0| |OP1V|OP2V|OP3V|OP4V|OP5V|OP6V|OP7V|OP8V|OP1W OP2W|OP3W OP4W|OP5W OP6W|OP7W OP8W|Mod Mode|L/R Vol|Gate|Mod FB| | |
+|0x4001E0| |OP1A|OP1D|OP1S|OP1R|OP2A|OP2D|OP2S|OP2R|OP3A|OP3D|OP3S|OP3R|OP4A|OP4D|OP4S|OP4R| | |
+|0x4001F0| |OP5A|OP5D|OP5S|OP5R|OP6A|OP6D|OP6S|OP6R|OP7A|OP7D|OP7S|OP7R|OP8A|OP8D|OP8S|OP8R| | |
+|0x400200| |Frequency| |Vol|Mode|Filt Mode|Filt Cutoff|Reso/ BW|L/R Vol|(Reserved)| | | | | | | |CH9| |
+|0x400210| |PCM Addr S (or Waveform)| | |PCM Addr E (or Waveform)| | |PCM Addr LS  (or Waveform)| | |Waveform (or not used)| | | | | | | | |
+|0x400220| |Waveform (or not used)| | | | | | | | | | | | | | | | | |
+|0x400230| |Frequency| |Vol|Mode|Filt Mode|Filt Cutoff|Reso/ BW|L/R Vol|(Reserved)| | | | | | | |CH10| |
+|0x400240| |PCM Addr S (or Waveform)| | |PCM Addr E (or Waveform)| | |PCM Addr LS  (or Waveform)| | |Waveform (or not used)| | | | | | | | |
+|0x400250| |Waveform (or not used)| | | | | | | | | | | | | | | | | |
+|0x400260| |Frequency| |Vol|Mode|Filt Mode|Filt Cutoff|Reso/ BW|L/R Vol|(Reserved)| | | | | | | |CH11| |
+|0x400270| |PCM Addr S (or Waveform)| | |PCM Addr E (or Waveform)| | |PCM Addr LS  (or Waveform)| | |Waveform (or not used)| | | | | | | | |
+|0x400280| |Waveform (or not used)| | | | | | | | | | | | | | | | | |
+|0x400290| |Frequency| |Vol|Mode|Filt Mode|Filt Cutoff|Reso/ BW|L/R Vol|(Reserved)| | | | | | | |CH12| |
+|0x4002A0| |PCM Addr S (or Waveform)| | |PCM Addr E (or Waveform)| | |PCM Addr LS  (or Waveform)| | |Waveform (or not used)| | | | | | | | |
+|0x4002B0| |Waveform (or not used)| | | | | | | | | | | | | | | | | |
+|0x4002C0| |Comp Enable|EQ Enable|Comp Thres|Comp Ratio|Comp Volume|EQ Low|EQ Mid|EQ High|Comp RateU|Comp RateL| | | | | | | | |
+|0x4002D0| |CH1 Mute|CH2 Mute|CH3 Mute|CH4 Mute|CH5 Mute|CH6 Mute|CH7 Mute|CH8 Mute|CH9 Mute|CH10 Mute|CH11 Mute|CH12 Mute| | | | | | |
+|0x4002E0| | | | | | | | | | | | | | | | | | | |
+|0x4002F0| | | | | | | | | | | | | | | | | | | |
+|0x400300| | | | | | | | | | | | | | | | | | | |
+|0x400310| | | | | | | | | | | | | | | | | | | |
+|0x400320| | | | | | | | | | | | | | | | | | | |
+|0x400330| | | | | | | | | | | | | | | | | | | |
+|0x400340| | | | | | | | | | | | | | | | | | | |
+|0x400350| | | | | | | | | | | | | | | | | | | |
+|0x400360| | | | | | | | | | | | | | | | | | | |
+|0x400370| | | | | | | | | | | | | | | | | | | |
+|0x400380| | | | | | | | | | | | | | | | | | | |
+|0x400390| | | | | | | | | | | | | | | | | | | |
+|0x4003A0| | | | | | | | | | | | | | | | | | | |
+|0x4003B0| | | | | | | | | | | | | | | | | | | |
+|0x4003C0| | | | | | | | | | | | | | | | | | | |
+|0x4003D0| | | | | | | | | | | | | | | | | | | |
+|0x4003E0| | | | | | | | | | | | | | | | | | | |

s3hs register map.md

@@ -0,0 +1,34 @@
+// DrumKeymapManager.cpp
+#include "DrumKeymapManager.h"
+    
+void DrumKeymapManager::assignNoteToSample(uint8_t midiChannel, uint8_t noteNumber, int32_t pcmIndex, int32_t sampleRate, int32_t pcmLength) {
+    keymapTable[midiChannel][noteNumber] = DrumSampleInfo{pcmIndex, sampleRate, pcmLength};
+    printf("[DrumKeymapManager] Assigned note %d on channel %d to PCM index 0x%X, sample rate %d, length %d\n", noteNumber, midiChannel, pcmIndex, sampleRate, pcmLength);
+}
+
+DrumSampleInfo DrumKeymapManager::getSampleInfo(uint8_t midiChannel, uint8_t noteNumber) const {
+    auto chIt = keymapTable.find(midiChannel);
+    if (chIt == keymapTable.end()) return DrumSampleInfo{-1, -1, -1};
+    auto noteIt = chIt->second.find(noteNumber);
+    if (noteIt == chIt->second.end()) return DrumSampleInfo{-1, -1, -1};
+    return noteIt->second;
+}
+
+// ドラムサンプル再生トリガー
+void DrumKeymapManager::triggerDrumSample(uint8_t midiChannel, uint8_t noteNumber, uint8_t velocity) {
+    DrumSampleInfo info = getSampleInfo(midiChannel, noteNumber);
+    if (info.pcmIndex >= 0) {
+        // 実際のPCM再生処理をここに記述（例: DrumPcmSampleLoader等を呼び出し）
+        printf("[DrumKeymapManager] CH%d Note%d → PCM idx=0x%X rate=%d len=%d vel=%d\n",
+            midiChannel, noteNumber, info.pcmIndex, info.sampleRate, info.pcmLength, velocity);
+        // TODO: DrumPcmSampleLoader等の再生関数呼び出し
+    } else {
+        printf("[DrumKeymapManager] CH%d Note%d 未割当\n", midiChannel, noteNumber);
+    }
+}
+
+void DrumKeymapManager::initializeGM() {
+    // GMドラムノート番号の例（35:Acoustic Bass Drum, 36: Bass Drum 1, ...）
+    // 必要に応じて拡張
+    // 自動割り当てに変更
+}

src/DrumKeymapManager.cpp

@@ -0,0 +1,27 @@
+// DrumKeymapManager.h
+#pragma once
+#include <unordered_map>
+#include <vector>
+#include <cstdint>
+
+struct DrumSampleInfo {
+    int32_t pcmIndex;
+    int32_t sampleRate;
+    int32_t pcmLength;
+};
+
+class DrumKeymapManager {
+public:
+    // ドラムチャンネルごとにノート→PCM情報を管理
+    void assignNoteToSample(uint8_t midiChannel, uint8_t noteNumber, int32_t pcmIndex, int32_t sampleRate, int32_t pcmLength);
+    DrumSampleInfo getSampleInfo(uint8_t midiChannel, uint8_t noteNumber) const;
+    // ドラムサンプル再生トリガー
+    void triggerDrumSample(uint8_t midiChannel, uint8_t noteNumber, uint8_t velocity);
+
+    // GMドラム初期化
+    void initializeGM();
+
+private:
+    // [midiChannel][noteNumber] = DrumSampleInfo
+    std::unordered_map<uint8_t, std::unordered_map<uint8_t, DrumSampleInfo>> keymapTable;
+};

src/DrumKeymapManager.h

@@ -0,0 +1,88 @@
+// DrumPcmSampleLoader.cpp
+#include "DrumPcmSampleLoader.h"
+#include "DrumKeymapManager.h"
+#include <juce_audio_formats/juce_audio_formats.h>
+#include <filesystem>
+#include <fstream>
+#include <iostream>
+#include <vector>
+#include <cstdint>
+#include <cstring>
+
+extern uint8_t* g_pcmRam;
+extern size_t g_pcmRamSize;
+
+namespace fs = std::filesystem;
+
+DecodedWav DrumPcmSampleLoader::loadAndDecode(const std::string& filePath) {
+    // JUCEのAudioFormatManagerを使ってWAV/AIFF/FLAC/MP3等を読み込む
+    juce::AudioFormatManager formatManager;
+    formatManager.registerBasicFormats();
+
+    juce::File juceFile(filePath);
+    std::unique_ptr<juce::AudioFormatReader> reader(formatManager.createReaderFor(juceFile));
+    if (!reader) return {};
+
+    std::vector<float> pcm;
+    int64_t numSamples = reader->lengthInSamples;
+    int numChannels = reader->numChannels;
+    pcm.reserve(static_cast<size_t>(numSamples));
+
+    juce::AudioBuffer<float> buffer(numChannels, static_cast<int>(numSamples));
+    reader->read(&buffer, 0, static_cast<int>(numSamples), 0, true, true);
+
+    // モノラル化（複数chの場合は平均）
+    for (int i = 0; i < numSamples; ++i) {
+        float sum = 0.0f;
+        for (int ch = 0; ch < numChannels; ++ch) {
+            sum += buffer.getSample(ch, i);
+        }
+        pcm.push_back(sum / numChannels);
+    }
+
+    uint32_t sampleRate = static_cast<uint32_t>(reader->sampleRate);
+    return DecodedWav{pcm, sampleRate};
+}
+
+std::vector<uint8_t> DrumPcmSampleLoader::convertToRaw8bit(const std::vector<float>& input) {
+    std::vector<uint8_t> out;
+    out.reserve(input.size());
+    for (float v : input) {
+        // -1.0～1.0 → 0～255 にスケール
+        float clamped = std::min(std::max(v, -1.0f), 1.0f);
+        uint8_t val = static_cast<uint8_t>((clamped + 1.0f) * 127.5f); // -1→0, 0→127, 1→255
+        out.push_back(val);
+    }
+    return out;
+}
+
+bool DrumPcmSampleLoader::loadSampleToRam(const std::string& filePath, uint32_t ramAddress, uint32_t& outSampleRate, uint32_t& outPcmSize) {
+    auto decoded = loadAndDecode(filePath);
+    if (decoded.pcm.empty()) return false;
+    auto raw8 = convertToRaw8bit(decoded.pcm);
+    if (!g_pcmRam || ramAddress + raw8.size() > g_pcmRamSize) return false;
+    std::memcpy(g_pcmRam + ramAddress, raw8.data(), raw8.size());
+    outSampleRate = decoded.sampleRate;
+    outPcmSize = static_cast<uint32_t>(raw8.size());
+    return true;
+}
+
+// 一括ロード: ./pcm/ ディレクトリ内の[ノート番号].wavを全てロードし、キーマップに登録
+void loadAllDrumSamples(DrumKeymapManager& keymap, uint32_t baseRamAddr) {
+    uint32_t ramPtr = baseRamAddr;
+    for (int note = 0; note < 128; ++note) {
+        std::string wavPath = "./pcm/" + std::to_string(note) + ".wav";
+        if (!fs::exists(wavPath)) {
+            continue;
+        }
+
+        DrumPcmSampleLoader loader;
+        uint32_t sampleRate = 44100;
+        uint32_t pcmSize = 0;
+        if (loader.loadSampleToRam(wavPath, ramPtr, sampleRate, pcmSize)) {
+            keymap.assignNoteToSample(10, note, ramPtr, sampleRate, pcmSize); // MIDI ch10
+            ramPtr += pcmSize; // PCMデータ長分だけポインタを進める
+        }
+    }
+    printf("[DrumPcmSampleLoader] Loaded all drum samples, %d bytes used (%d bytes free)\n", ramPtr - baseRamAddr, g_pcmRamSize - (ramPtr - baseRamAddr));
+}

src/DrumPcmSampleLoader.cpp

@@ -0,0 +1,25 @@
+// DrumPcmSampleLoader.h
+#pragma once
+#include <string>
+#include <vector>
+#include <cstdint>
+
+struct DecodedWav {
+    std::vector<float> pcm;
+    uint32_t sampleRate;
+};
+
+class DrumPcmSampleLoader {
+public:
+    // PCM RAMにRaw Unsigned 8bitで書き込む
+    bool loadSampleToRam(const std::string& filePath, uint32_t ramAddress, uint32_t& outSampleRate, uint32_t& outPcmSize);
+
+    // 任意のPCMデータをRaw Unsigned 8bitに変換
+    static std::vector<uint8_t> convertToRaw8bit(const std::vector<float>& input);
+
+    // サポート: WAV/AIFF/16bit PCM等からのロード
+    static DecodedWav loadAndDecode(const std::string& filePath);
+};
+
+// 一括ロード関数の宣言を追加
+void loadAllDrumSamples(class DrumKeymapManager& keymap, uint32_t baseRamAddr = 0);