103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
#pragma once
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#include <list>
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#include <functional>
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#include <unordered_map>
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#include "util/Types.h"
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#include "util/EventEmitter.h"
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class GLFWwindow;
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/**
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* Manages callbacks for key and mouse input, allows toggling mouse locking.
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*/
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namespace {
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enum class InEvt {
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Key,
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KeyPress,
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KeyRepeat,
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KeyRelease,
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Char,
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Mouse,
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MousePress,
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MouseRelease
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};
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}
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class Input : public EventEmitter<
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Event<InEvt::Key, u32, i32>, Event<InEvt::KeyPress, u32>,
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Event<InEvt::KeyRepeat, u32>, Event<InEvt::KeyRelease, u32>, Event<InEvt::Char, u32>,
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Event<InEvt::Mouse, u32, i32>, Event<InEvt::MousePress, u32>, Event<InEvt::MouseRelease, u32>> {
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public:
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typedef InEvt Event;
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/** Activates the input listeners. */
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void init(GLFWwindow* window);
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/** Updates non-listener based data. */
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void update();
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/** Returns true if the specified key is down. */
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bool isKeyDown(u32 key);
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/** Returns true if the specified mouse button is down. */
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bool isMouseDown(u32 button);
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/** Sets whether or not the mouse is locked and hidden for first person camera use. */
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void setMouseLocked(bool lock);
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/**
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* Gets the position of the mouse relative to the screen.
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* Will always report the center of the screen if the mouse is locked.
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*/
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ivec2 getMousePos();
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/**
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* Gets the delta of the last mouse movement.
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* Only works if the mouse is locked.
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*/
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ivec2 getMouseDelta();
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private:
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/** Calls the key callbacks and sets the key state of the key provided. */
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void updateKey(u32 key, i32 state);
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/** Calls the char callbacks with the codepoint provided. */
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void updateChar(u32 codepoint);
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/** Calls the button callbacks and sets the button state of the mouse button provided. */
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void updateMouse(u32 button, i32 state);
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/**
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* Calls the following key callbacks when the user scrolls.
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* Right: 11, Left: 10, Up: 8, Down: 9
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*/
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static void scrollCallback(GLFWwindow* window, f64 x, f64 y);
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/** Calls the updateKey function with the proper key and state. */
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static void keyCallback(GLFWwindow* window, i32 key, i32 code, i32 action, i32 mode);
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/** Calls the updateChar function with the proper codepoint. */
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static void charCallback(GLFWwindow* window, u32 codepoint);
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/** Calls the updateMouse function with the proper button and state. */
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static void mouseCallback(GLFWwindow* window, i32 key, i32 action, i32 mods);
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const static ivec2 LOCKED_MOUSE_POS;
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array<bool, 1024> keyState {};
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array<bool, 3> mouseState {};
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vec2 mouseDelta;
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bool mouseLocked = false;
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bool forceMouseUnlocked = false;
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GLFWwindow* window = nullptr;
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}; |