mirror of https://github.com/AxioDL/metaforce.git
99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
#pragma once
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#include "RetroTypes.hpp"
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#include "zeus/CColor.hpp"
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#include "boo/graphicsdev/IGraphicsDataFactory.hpp"
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#include "boo/audiodev/IAudioVoice.hpp"
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#include "zeus/CMatrix4f.hpp"
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namespace urde
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{
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struct CFinalInput;
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class IDvdRequest;
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namespace MP1
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{
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#define NUM_AUDIO_BUFFERS 4
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class CNESEmulator final : public boo::IAudioVoiceCallback
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{
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public:
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enum class EPasswordEntryState
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{
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NotPasswordScreen,
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NotEntered,
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Entered
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};
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private:
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static bool EmulatorConstructed;
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std::unique_ptr<u8[]> m_nesEmuPBuf;
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std::shared_ptr<IDvdRequest> m_dvdReq;
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struct Vert
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{
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zeus::CVector3f m_pos;
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zeus::CVector2f m_uv;
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};
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struct Uniform
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{
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zeus::CMatrix4f m_matrix;
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zeus::CColor m_color;
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};
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boo::ObjToken<boo::ITextureD> m_texture;
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boo::ObjToken<boo::IGraphicsBufferD> m_uniBuf;
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boo::ObjToken<boo::IGraphicsBufferS> m_vbo;
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boo::ObjToken<boo::IShaderDataBinding> m_shadBind;
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std::unique_ptr<u8[]> m_audioBufBlock;
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u8* m_audioBufs[NUM_AUDIO_BUFFERS];
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uint32_t m_headBuf = 0;
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uint32_t m_tailBuf = 0;
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uint32_t m_procBufs = NUM_AUDIO_BUFFERS;
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uint32_t m_posInHeadBuf = 0;
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uint32_t m_posInTailBuf = 0;
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boo::ObjToken<boo::IAudioVoice> m_booVoice;
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//void* x4_loadBuf;
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//void* x8_rom;
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//void* xc_state;
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//OSModuleInfo* x10_module = x4_loadBuf;
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//void* x14_bss;
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//void* x18_prgram;
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//void* x1c_wram;
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bool x20_gameOver = false;
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u8 x21_passwordFromNES[18];
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EPasswordEntryState x34_passwordEntryState = EPasswordEntryState::NotPasswordScreen;
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bool x38_passwordPending = false;
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u8 x39_passwordToNES[18];
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static void DecryptMetroid(u8* dataIn, u8* dataOut, u32 decLen = 0x20000, u8 decByte = 0xe9,
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u32 xorLen = 0x1FFFC, u32 xorVal = 0xA663);
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void InitializeEmulator();
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void DeinitializeEmulator();
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void NesEmuMainLoop(bool forceDraw = false);
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static bool CheckForGameOver(const u8* vram, u8* passwordOut = nullptr);
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static EPasswordEntryState CheckForPasswordEntryScreen(const uint8_t* vram);
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static bool SetPasswordIntoEntryScreen(u8* vram, u8* wram, const u8* password);
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public:
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CNESEmulator();
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~CNESEmulator();
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void ProcessUserInput(const CFinalInput& input, int);
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void Update();
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void Draw(const zeus::CColor& mulColor, bool filtering);
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void LoadPassword(const u8* state);
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const u8* GetPassword() const { return x21_passwordFromNES; }
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bool IsGameOver() const { return x20_gameOver; }
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EPasswordEntryState GetPasswordEntryState() const { return x34_passwordEntryState; }
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int audioUpdate();
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void preSupplyAudio(boo::IAudioVoice& voice, double dt) {}
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size_t supplyAudio(boo::IAudioVoice& voice, size_t frames, int16_t* data);
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};
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}
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}
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