45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#include "Input.h"
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Input::Input() {}
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Input *Input::instance = nullptr;
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Input *Input::GetInstance() {
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if (!instance) {
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instance = new Input();
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instance->lastx = 0.0;
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instance->lasty = 0.0;
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}
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return instance;
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}
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void Input::Use(Window window){
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glfwSetInputMode(window.glfwWindow, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
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glfwSetKeyCallback(window.glfwWindow, (GLFWkeyfun)HandleKeys);
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glfwSetCursorPosCallback(window.glfwWindow, (GLFWcursorposfun)HandleMousePosition);
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}
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void Input::HandleKeys(GLFWwindow *_, int keys, int code, int action, int mods) {
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for (KeyHandler keyHandler : instance->keyHandlers) {
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keyHandler(keys, code, action, mods);
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}
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}
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void Input::HandleMousePosition(GLFWwindow *_, double xpos, double ypos) {
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double relx, rely;
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if (instance->firstMousePositionUpdate) {
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relx = 0.0;
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rely = 0.0;
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instance->firstMousePositionUpdate = false;
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} else {
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relx = xpos - instance->lastx;
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rely = ypos - instance->lasty;
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}
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for (MousePositionHandler mousePositionHandler : instance->mousePositionHandlers) {
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mousePositionHandler(xpos, ypos, relx, rely);
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}
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instance->lastx = xpos;
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instance->lasty = ypos;
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}
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