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| 1 /* |
| 2 * Copyright 2016 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #ifndef InputHandler_DEFINED |
| 9 #define InputHandler_DEFINED |
| 10 |
| 11 #include <string.h> |
| 12 |
| 13 class InputHandler |
| 14 { |
| 15 public: |
| 16 InputHandler(); |
| 17 |
| 18 void onKeyDown(unsigned char key); // Handle key down event |
| 19 void onKeyUp(unsigned char key); // Handle key up event |
| 20 void onMouseDown(unsigned int h, unsigned int v); // Handle mouse down eve
nt |
| 21 void onMouseUp(); // Handle mouse up event |
| 22 |
| 23 bool isKeyDown(unsigned char key) const { |
| 24 return fKeys[key]; |
| 25 } |
| 26 bool isKeyUp(unsigned char key) const { |
| 27 return !fKeys[key]; |
| 28 } |
| 29 bool isKeyPressed(unsigned char key) const { |
| 30 return fKeyPressed[key]; |
| 31 } |
| 32 |
| 33 bool isKeyReleased(unsigned char key) const { |
| 34 return fKeyReleased[key]; |
| 35 } |
| 36 |
| 37 bool isMouseDown(unsigned int* h, unsigned int* v) const { |
| 38 if (fMouseDown) |
| 39 { |
| 40 *h = fMouseX; |
| 41 *v = fMouseY; |
| 42 return true; |
| 43 } |
| 44 return false; |
| 45 } |
| 46 |
| 47 bool isMousePressed(unsigned int* h, unsigned int* v) const { |
| 48 if (fMousePressed) |
| 49 { |
| 50 *h = fMouseX; |
| 51 *v = fMouseY; |
| 52 return true; |
| 53 } |
| 54 return false; |
| 55 } |
| 56 |
| 57 bool IsMouseReleased() const { |
| 58 return fMouseReleased; |
| 59 } |
| 60 |
| 61 inline void Update() { |
| 62 memset(fKeyPressed, 0, sizeof(bool) * 256); |
| 63 memset(fKeyReleased, 0, sizeof(bool) * 256); |
| 64 fMousePressed = false; |
| 65 fMouseReleased = false; |
| 66 } |
| 67 |
| 68 private: |
| 69 // assumes ASCII keystrokes only |
| 70 bool fKeys[256]; |
| 71 bool fKeyPressed[256]; |
| 72 bool fKeyReleased[256]; |
| 73 |
| 74 bool fMouseDown; |
| 75 bool fMousePressed; |
| 76 bool fMouseReleased; |
| 77 unsigned int fMouseX; |
| 78 unsigned int fMouseY; |
| 79 |
| 80 InputHandler(const InputHandler& other); |
| 81 InputHandler& operator=(const InputHandler& other); |
| 82 }; |
| 83 |
| 84 #endif |
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