mirror of
https://github.com/Zelda64Recomp/Zelda64Recomp
synced 2026-05-23 06:54:33 -04:00
Added some more patch functionality, added recomp namespace
This commit is contained in:
Mr-Wiseguy
@@ -0,0 +1,197 @@
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#include <atomic>
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#include "../ultramodern/ultramodern.hpp"
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#include "recomp.h"
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#include "recomp_input.h"
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#include "recomp_ui.h"
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#include "SDL.h"
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std::atomic_int32_t mouse_wheel_pos = 0;
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std::vector<SDL_JoystickID> controllers{};
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bool sdl_event_filter(void* userdata, SDL_Event* event) {
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switch (event->type) {
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//case SDL_EventType::SDL_KEYUP:
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//case SDL_EventType::SDL_KEYDOWN:
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// {
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// const Uint8* key_states = SDL_GetKeyboardState(nullptr);
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// int new_button = 0;
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// for (const auto& mapping : keyboard_button_map) {
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// if (key_states[mapping.first]) {
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// new_button |= mapping.second;
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// }
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// }
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// button = new_button;
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// stick_x = (100.0f / 100.0f) * (key_states[SDL_Scancode::SDL_SCANCODE_D] - key_states[SDL_Scancode::SDL_SCANCODE_A]);
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// stick_y = (100.0f / 100.0f) * (key_states[SDL_Scancode::SDL_SCANCODE_W] - key_states[SDL_Scancode::SDL_SCANCODE_S]);
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// }
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// break;
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case SDL_EventType::SDL_CONTROLLERDEVICEADDED:
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{
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SDL_ControllerDeviceEvent* controller_event = (SDL_ControllerDeviceEvent*)event;
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SDL_GameController* controller = SDL_GameControllerOpen(controller_event->which);
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printf("Controller added: %d\n", controller_event->which);
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if (controller != nullptr) {
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printf(" Instance ID: %d\n", SDL_JoystickInstanceID(SDL_GameControllerGetJoystick(controller)));
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controllers.push_back(SDL_JoystickInstanceID(SDL_GameControllerGetJoystick(controller)));
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}
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}
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break;
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case SDL_EventType::SDL_CONTROLLERDEVICEREMOVED:
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{
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SDL_ControllerDeviceEvent* controller_event = (SDL_ControllerDeviceEvent*)event;
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printf("Controller removed: %d\n", controller_event->which);
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std::erase(controllers, controller_event->which);
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}
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break;
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case SDL_EventType::SDL_QUIT:
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ultramodern::quit();
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return true;
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case SDL_EventType::SDL_MOUSEWHEEL:
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{
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SDL_MouseWheelEvent* wheel_event = (SDL_MouseWheelEvent*)event;
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mouse_wheel_pos.fetch_add(wheel_event->y * (wheel_event->direction == SDL_MOUSEWHEEL_FLIPPED ? -1 : 1));
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}
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recomp::queue_event(*event);
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break;
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default:
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recomp::queue_event(*event);
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break;
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}
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return false;
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}
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void recomp::handle_events() {
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SDL_Event cur_event;
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static bool exited = false;
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while (SDL_PollEvent(&cur_event) && !exited) {
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exited = sdl_event_filter(nullptr, &cur_event);
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}
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}
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std::vector<recomp::InputState> recomp::get_input_states() {
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std::vector<InputState> ret{};
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int32_t mouse_x;
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int32_t mouse_y;
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Uint32 sdl_mouse_buttons = SDL_GetMouseState(&mouse_x, &mouse_y);
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struct MouseButtonMapping {
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Sint32 input;
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decltype(MouseState::buttons) output;
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};
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static const std::vector<MouseButtonMapping> input_mouse_map{
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{ SDL_BUTTON_LMASK, MouseState::LEFT },
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{ SDL_BUTTON_RMASK, MouseState::RIGHT },
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{ SDL_BUTTON_MMASK, MouseState::MIDDLE },
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{ SDL_BUTTON_X1MASK, MouseState::BACK },
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{ SDL_BUTTON_X2MASK, MouseState::FORWARD },
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};
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decltype(MouseState::buttons) mouse_buttons = 0;
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for (const MouseButtonMapping& mapping : input_mouse_map) {
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if (sdl_mouse_buttons & mapping.input) {
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mouse_buttons |= mapping.output;
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}
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}
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if (mouse_buttons & MouseState::FORWARD) {
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printf("forward\n");
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}
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if (mouse_buttons & MouseState::BACK) {
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printf("back\n");
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}
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ret.emplace_back(
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MouseState {
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.wheel_pos = mouse_wheel_pos,
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.position_x = mouse_x,
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.position_y = mouse_y,
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.buttons = mouse_buttons
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}
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);
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for (SDL_JoystickID controller_id : controllers) {
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struct InputButtonMapping {
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SDL_GameControllerButton input;
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decltype(ControllerState::buttons) output;
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};
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static const std::vector<InputButtonMapping> input_button_map{
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_START, ControllerState::BUTTON_START },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_A, ControllerState::BUTTON_SOUTH },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_B, ControllerState::BUTTON_EAST },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_X, ControllerState::BUTTON_WEST },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_Y, ControllerState::BUTTON_NORTH },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_LEFTSHOULDER, ControllerState::BUTTON_L1 },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, ControllerState::BUTTON_R1 },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_LEFTSTICK, ControllerState::BUTTON_L3 },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_RIGHTSTICK, ControllerState::BUTTON_R3 },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_DPAD_LEFT, ControllerState::BUTTON_DPAD_LEFT },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_DPAD_RIGHT, ControllerState::BUTTON_DPAD_RIGHT },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_DPAD_UP, ControllerState::BUTTON_DPAD_UP },
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{ SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_DPAD_DOWN, ControllerState::BUTTON_DPAD_DOWN },
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};
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SDL_GameController* controller = SDL_GameControllerFromInstanceID(controller_id);
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decltype(ControllerState::buttons) buttons = 0;
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for (const InputButtonMapping& mapping : input_button_map) {
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if (SDL_GameControllerGetButton(controller, mapping.input)) {
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buttons |= mapping.output;
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}
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}
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auto& new_input_state = ret.emplace_back(
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ControllerState {
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.buttons = buttons,
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.axes = {},
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}
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);
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auto& new_state = std::get<ControllerState>(new_input_state);
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new_state.axes[ControllerState::AXIS_LEFT_X] = SDL_GameControllerGetAxis(controller, SDL_GameControllerAxis::SDL_CONTROLLER_AXIS_LEFTX) * (1/32768.0f);
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new_state.axes[ControllerState::AXIS_LEFT_Y] = SDL_GameControllerGetAxis(controller, SDL_GameControllerAxis::SDL_CONTROLLER_AXIS_LEFTY) * (1/32768.0f);
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new_state.axes[ControllerState::AXIS_RIGHT_X] = SDL_GameControllerGetAxis(controller, SDL_GameControllerAxis::SDL_CONTROLLER_AXIS_RIGHTX) * (1/32768.0f);
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new_state.axes[ControllerState::AXIS_RIGHT_Y] = SDL_GameControllerGetAxis(controller, SDL_GameControllerAxis::SDL_CONTROLLER_AXIS_RIGHTY) * (1/32768.0f);
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new_state.axes[ControllerState::AXIS_LEFT_TRIGGER] = SDL_GameControllerGetAxis(controller, SDL_GameControllerAxis::SDL_CONTROLLER_AXIS_TRIGGERLEFT) * (1/32768.0f);
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new_state.axes[ControllerState::AXIS_LEFT_TRIGGER] = SDL_GameControllerGetAxis(controller, SDL_GameControllerAxis::SDL_CONTROLLER_AXIS_TRIGGERRIGHT) * (1/32768.0f);
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}
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return ret;
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}
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// TODO figure out a way to handle this more generally without exposing SDL to controls.cpp
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void recomp::get_keyboard_input(uint16_t* buttons_out, float* x_out, float* y_out) {
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static const std::vector<std::pair<SDL_Scancode, int>> keyboard_button_map{
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{ SDL_Scancode::SDL_SCANCODE_LEFT, 0x0002 }, // c left
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{ SDL_Scancode::SDL_SCANCODE_RIGHT, 0x0001 }, // c right
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{ SDL_Scancode::SDL_SCANCODE_UP, 0x0008 }, // c up
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{ SDL_Scancode::SDL_SCANCODE_DOWN, 0x0004 }, // c down
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{ SDL_Scancode::SDL_SCANCODE_RETURN, 0x1000 }, // start
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{ SDL_Scancode::SDL_SCANCODE_SPACE, 0x8000 }, // a
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{ SDL_Scancode::SDL_SCANCODE_LSHIFT, 0x4000 }, // b
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{ SDL_Scancode::SDL_SCANCODE_Q, 0x2000 }, // z
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{ SDL_Scancode::SDL_SCANCODE_E, 0x0020 }, // l
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{ SDL_Scancode::SDL_SCANCODE_R, 0x0010 }, // r
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{ SDL_Scancode::SDL_SCANCODE_J, 0x0200 }, // dpad left
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{ SDL_Scancode::SDL_SCANCODE_L, 0x0100 }, // dpad right
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{ SDL_Scancode::SDL_SCANCODE_I, 0x0800 }, // dpad up
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{ SDL_Scancode::SDL_SCANCODE_K, 0x0400 }, // dpad down
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};
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const Uint8* key_states = SDL_GetKeyboardState(nullptr);
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*buttons_out = 0;
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for (const auto& mapping : keyboard_button_map) {
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if (key_states[mapping.first]) {
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*buttons_out |= mapping.second;
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}
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}
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*x_out = (100.0f / 100.0f) * (key_states[SDL_Scancode::SDL_SCANCODE_D] - key_states[SDL_Scancode::SDL_SCANCODE_A]);
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*y_out = (100.0f / 100.0f) * (key_states[SDL_Scancode::SDL_SCANCODE_W] - key_states[SDL_Scancode::SDL_SCANCODE_S]);
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}
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