97 lines
1.5 KiB
C
97 lines
1.5 KiB
C
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// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
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// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
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// SPDX-License-Identifier: MIT
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#pragma once
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class ApplicationWindow;
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enum class EKey
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{
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Invalid,
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Unknown,
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A,
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B,
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C,
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D,
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E,
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F,
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G,
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H,
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I,
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J,
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K,
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L,
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M,
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N,
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O,
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P,
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Q,
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R,
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S,
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T,
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U,
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V,
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W,
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X,
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Y,
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Z,
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Num0,
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Num1,
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Num2,
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Num3,
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Num4,
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Num5,
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Num6,
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Num7,
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Num8,
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Num9,
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Space,
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Comma,
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Period,
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Escape,
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LShift,
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RShift,
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LControl,
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RControl,
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LAlt,
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RAlt,
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Left,
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Right,
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Up,
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Down,
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Return,
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NumKeys,
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};
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/// Keyboard interface class which keeps track on the status of all keys and keeps track of the list of keys pressed.
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class Keyboard
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{
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public:
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/// Constructor
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Keyboard() = default;
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virtual ~Keyboard() = default;
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/// Initialization / shutdown
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virtual bool Initialize(ApplicationWindow *inWindow) = 0;
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virtual void Shutdown() = 0;
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/// Update the keyboard state
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virtual void Poll() = 0;
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/// Checks if a key is pressed or not
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virtual bool IsKeyPressed(EKey inKey) const = 0;
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/// Checks if a key is pressed and was not pressed the last time this function was called (state is stored in ioPrevState)
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bool IsKeyPressedAndTriggered(EKey inKey, bool &ioPrevState) const
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{
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bool prev_state = ioPrevState;
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ioPrevState = IsKeyPressed(inKey);
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return ioPrevState && !prev_state;
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}
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/// Buffered keyboard input, returns EKey::Invalid for none
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virtual EKey GetFirstKey() = 0;
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virtual EKey GetNextKey() = 0;
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};
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