Restructure
This commit is contained in:
CocoSimone
175
src/backend/Core.cpp
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175
src/backend/Core.cpp
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#include <Core.hpp>
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#include <ParallelRDPWrapper.hpp>
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#include <Window.hpp>
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#include <algorithm>
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#include <MupenMovie.hpp>
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#include <Scheduler.hpp>
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namespace n64 {
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Core::Core() {
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Stop();
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}
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void Core::Stop() {
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CpuReset();
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mem.Reset();
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pause = true;
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romLoaded = false;
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}
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CartInfo Core::LoadROM(const std::string& rom_) {
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rom = rom_;
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CpuReset();
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mem.Reset();
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pause = false;
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romLoaded = true;
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CartInfo cartInfo = mem.LoadROM(rom);
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DoPIFHLE(mem, CpuGetRegs(), cartInfo);
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return cartInfo;
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}
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void Core::Run(Window& window, float volumeL, float volumeR) {
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MMIO& mmio = mem.mmio;
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Controller& controller = mmio.si.controller;
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Registers& regs = CpuGetRegs();
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for(int field = 0; field < mmio.vi.numFields; field++) {
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int frameCycles = 0;
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if(!pause && romLoaded) {
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for (int i = 0; i < mmio.vi.numHalflines; i++) {
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mmio.vi.current = (i << 1) + field;
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if ((mmio.vi.current & 0x3FE) == mmio.vi.intr) {
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InterruptRaise(mmio.mi, regs, Interrupt::VI);
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}
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for(;cycles <= mmio.vi.cyclesPerHalfline; cycles++, frameCycles++) {
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CpuStep(mem);
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if(!mmio.rsp.spStatus.halt) {
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regs.steps++;
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if(regs.steps > 2) {
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mmio.rsp.steps += 2;
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regs.steps -= 3;
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}
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while(mmio.rsp.steps > 0) {
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mmio.rsp.steps--;
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mmio.rsp.Step(regs, mem);
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}
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}
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mmio.ai.Step(mem, regs, 1, volumeL, volumeR);
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scheduler.tick(1, mem, regs);
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}
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cycles -= mmio.vi.cyclesPerHalfline;
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}
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if ((mmio.vi.current & 0x3FE) == mmio.vi.intr) {
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InterruptRaise(mmio.mi, regs, Interrupt::VI);
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}
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UpdateScreenParallelRdp(*this, window, GetVI());
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int missedCycles = N64_CYCLES_PER_FRAME - frameCycles;
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mmio.ai.Step(mem, CpuGetRegs(), missedCycles, volumeL, volumeR);
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} else if(pause && romLoaded) {
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UpdateScreenParallelRdp(*this, window, GetVI());
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} else if(pause && !romLoaded) {
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UpdateScreenParallelRdpNoGame(*this, window);
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}
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}
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}
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#define GET_BUTTON(gamepad, i) SDL_GameControllerGetButton(gamepad, i)
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#define GET_AXIS(gamepad, axis) SDL_GameControllerGetAxis(gamepad, axis)
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void Core::UpdateController(const u8* state) {
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Controller &controller = mem.mmio.si.controller;
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s8 xaxis = 0, yaxis = 0;
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if(gamepadConnected) {
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bool A = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_A);
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bool B = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_X);
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bool Z = GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_TRIGGERLEFT) == 32767;
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bool START = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_START);
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bool DUP = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_DPAD_UP);
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bool DDOWN = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_DPAD_DOWN);
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bool DLEFT = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_DPAD_LEFT);
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bool DRIGHT = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_DPAD_RIGHT);
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bool L = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_LEFTSHOULDER);
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bool R = GET_BUTTON(gamepad, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER);
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bool CUP = GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_RIGHTY) <= -128;
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bool CDOWN = GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_RIGHTY) >= 127;
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bool CLEFT = GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_RIGHTX) <= -128;
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bool CRIGHT = GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_RIGHTX) >= 127;
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controller.a = A;
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controller.b = B;
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controller.z = Z;
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controller.start = START;
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controller.dp_up = DUP;
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controller.dp_down = DDOWN;
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controller.dp_left = DLEFT;
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controller.dp_right = DRIGHT;
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controller.joy_reset = L && R && START;
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controller.l = L;
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controller.r = R;
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controller.c_up = CUP;
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controller.c_down = CDOWN;
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controller.c_left = CLEFT;
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controller.c_right = CRIGHT;
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xaxis = (s8) std::clamp((GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_LEFTX) >> 8), -86, 86);
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yaxis = (s8) std::clamp(-(GET_AXIS(gamepad, SDL_CONTROLLER_AXIS_LEFTY) >> 8), -86, 86);
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controller.joy_x = xaxis;
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controller.joy_y = yaxis;
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if (controller.joy_reset) {
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controller.start = false;
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controller.joy_x = 0;
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controller.joy_y = 0;
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}
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} else {
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controller.a = state[SDL_SCANCODE_X];
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controller.b = state[SDL_SCANCODE_C];
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controller.z = state[SDL_SCANCODE_Z];
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controller.start = state[SDL_SCANCODE_RETURN];
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controller.dp_up = state[SDL_SCANCODE_KP_8];
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controller.dp_down = state[SDL_SCANCODE_KP_5];
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controller.dp_left = state[SDL_SCANCODE_KP_4];
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controller.dp_right = state[SDL_SCANCODE_KP_6];
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controller.joy_reset = state[SDL_SCANCODE_RETURN] && state[SDL_SCANCODE_A] && state[SDL_SCANCODE_S];
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controller.l = state[SDL_SCANCODE_A];
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controller.r = state[SDL_SCANCODE_S];
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controller.c_up = state[SDL_SCANCODE_I];
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controller.c_down = state[SDL_SCANCODE_J];
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controller.c_left = state[SDL_SCANCODE_K];
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controller.c_right = state[SDL_SCANCODE_L];
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if (state[SDL_SCANCODE_LEFT]) {
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xaxis = -86;
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} else if (state[SDL_SCANCODE_RIGHT]) {
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xaxis = 86;
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}
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if (state[SDL_SCANCODE_DOWN]) {
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yaxis = -86;
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} else if (state[SDL_SCANCODE_UP]) {
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yaxis = 86;
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}
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controller.joy_x = xaxis;
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controller.joy_y = yaxis;
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if (controller.joy_reset) {
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controller.start = false;
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controller.joy_x = 0;
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controller.joy_y = 0;
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}
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}
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}
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}
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