mirror of
https://github.com/wheremyfoodat/Panda3DS.git
synced 2025-04-06 22:25:41 +12:00
ceff20f57f
There are still some initialization errors to work through, such as config not being initialized properly by the time GPU tries to utilize it too. Also some life-time issues. But manually forcing it to use the Null backnd successfully works and allows games to be "played" headlessly.
95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
#pragma once
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#include <SDL.h>
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#include <filesystem>
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#include <fstream>
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#include <optional>
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#include "PICA/gpu.hpp"
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#include "config.hpp"
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#include "cpu.hpp"
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#include "crypto/aes_engine.hpp"
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#include "io_file.hpp"
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#include "memory.hpp"
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#ifdef PANDA3DS_ENABLE_HTTP_SERVER
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#include "httpserver.hpp"
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#endif
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enum class ROMType {
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None,
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ELF,
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NCSD,
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CXI,
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};
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class Emulator {
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CPU cpu;
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GPU gpu;
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Memory memory;
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Kernel kernel;
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Crypto::AESEngine aesEngine;
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EmulatorConfig config;
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SDL_Window* window;
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#ifdef PANDA3DS_ENABLE_OPENGL
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SDL_GLContext glContext;
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#endif
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SDL_GameController* gameController = nullptr;
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int gameControllerID;
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// Variables to keep track of whether the user is controlling the 3DS analog stick with their keyboard
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// This is done so when a gamepad is connected, we won't automatically override the 3DS analog stick settings with the gamepad's state
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// And so the user can still use the keyboard to control the analog
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bool keyboardAnalogX = false;
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bool keyboardAnalogY = false;
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// For tracking whether to update gyroscope
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// We bind gyro to right click + mouse movement
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bool holdingRightClick = false;
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static constexpr u32 width = 400;
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static constexpr u32 height = 240 * 2; // * 2 because 2 screens
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ROMType romType = ROMType::None;
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bool running = true;
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#ifdef PANDA3DS_ENABLE_HTTP_SERVER
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HttpServer httpServer;
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#endif
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// Keep the handle for the ROM here to reload when necessary and to prevent deleting it
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// This is currently only used for ELFs, NCSDs use the IOFile API instead
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std::ifstream loadedELF;
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NCSD loadedNCSD;
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std::optional<std::filesystem::path> romPath = std::nullopt;
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public:
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// Decides whether to reload or not reload the ROM when resetting. We use enum class over a plain bool for clarity.
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// If NoReload is selected, the emulator will not reload its selected ROM. This is useful for things like booting up the emulator, or resetting to
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// change ROMs. If Reload is selected, the emulator will reload its selected ROM. This is useful for eg a "reset" button that keeps the current
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// ROM and just resets the emu
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enum class ReloadOption { NoReload, Reload };
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Emulator();
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~Emulator();
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void step();
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void render();
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void reset(ReloadOption reload);
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void run();
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void runFrame();
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bool loadROM(const std::filesystem::path& path);
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bool loadNCSD(const std::filesystem::path& path, ROMType type);
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bool loadELF(const std::filesystem::path& path);
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bool loadELF(std::ifstream& file);
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void initGraphicsContext();
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#ifdef PANDA3DS_ENABLE_HTTP_SERVER
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void pollHttpServer();
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#endif
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};
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