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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1528 | jag | 1 | /* |
| 2 | * input.h |
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| 2302 | jag | 3 | * DIN Is Noise is copyright (c) 2006-2025 Jagannathan Sampath |
| 1713 | jag | 4 | * DIN Is Noise is released under GNU Public License 2.0 |
| 1528 | jag | 5 | * For more information, please visit https://dinisnoise.org/ |
| 6 | */ |
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| 7 | |||
| 8 | |||
| 9 | #ifndef __input |
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| 10 | #define __input |
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| 11 | |||
| 12 | #include "chrono.h" |
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| 13 | #include "log.h" |
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| 1916 | jag | 14 | |
| 1528 | jag | 15 | #include <SDL/SDL.h> |
| 16 | |||
| 17 | struct keyboard { |
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| 18 | |||
| 19 | int nkeys; // number of keys |
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| 20 | Uint8* now; // key state now (1 - down, 0 - up) |
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| 21 | Uint8* last; // last state of keys |
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| 22 | |||
| 23 | unsigned int size; |
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| 24 | |||
| 25 | double* tstamp; |
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| 26 | double* repeat; |
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| 27 | |||
| 28 | keyboard () { |
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| 29 | |||
| 30 | SDL_GetKeyState (&nkeys); |
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| 31 | |||
| 32 | size = nkeys * sizeof (Uint8); |
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| 33 | |||
| 34 | last = new Uint8 [nkeys]; |
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| 35 | memset (last, 0, size); |
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| 36 | |||
| 37 | tstamp = new double [nkeys]; |
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| 38 | repeat = new double [nkeys]; |
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| 39 | |||
| 40 | dlog << "+++ initialised computer keyboard input +++" << endl; |
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| 41 | |||
| 42 | } |
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| 43 | |||
| 1729 | jag | 44 | void read () { |
| 1528 | jag | 45 | now = SDL_GetKeyState (0); |
| 46 | } |
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| 47 | |||
| 48 | void save () { |
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| 49 | memcpy (last, now, size); |
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| 50 | } |
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| 51 | |||
| 52 | ~keyboard () { |
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| 53 | delete[] last; |
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| 54 | delete[] tstamp; |
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| 55 | delete[] repeat; |
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| 56 | dlog << "--- destroyed computer keyboard input ---" << endl; |
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| 57 | } |
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| 58 | |||
| 59 | }; |
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| 60 | |||
| 61 | extern keyboard keybd; |
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| 62 | |||
| 1592 | jag | 63 | |
| 1528 | jag | 64 | inline int nkeys () { |
| 65 | return keybd.nkeys; |
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| 66 | } |
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| 67 | |||
| 68 | inline int keydown (unsigned int k) { |
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| 69 | return keybd.now[k]; |
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| 70 | } |
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| 71 | |||
| 72 | inline int keyup (unsigned int k) { |
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| 73 | int wkd = keybd.last[k]; |
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| 74 | int kd = keybd.now[k]; |
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| 75 | return (!kd && wkd); |
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| 76 | } |
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| 77 | |||
| 78 | inline int waskeydown (unsigned int k) { |
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| 79 | return keybd.last[k]; |
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| 80 | } |
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| 81 | |||
| 82 | inline int keypressed (unsigned int k) { |
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| 83 | int wkd = waskeydown (k), kd = keydown (k); |
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| 84 | if (kd && !wkd) return 1; else return 0; |
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| 85 | } |
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| 86 | |||
| 1916 | jag | 87 | inline int keypressedd (unsigned int k, double firstt = 1./3, double constt = 1./20) { |
| 1528 | jag | 88 | /* keypressed with key repeat */ |
| 89 | int wkd = waskeydown(k), kd = keydown(k); |
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| 90 | if (kd) { |
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| 91 | if (!wkd) { |
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| 92 | keybd.repeat[k] = firstt + ui_clk(); |
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| 93 | return 1; |
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| 94 | } else { |
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| 95 | if (ui_clk() > keybd.repeat[k]) { |
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| 96 | keybd.repeat[k] = constt + ui_clk(); |
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| 97 | return 1; |
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| 98 | } |
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| 99 | } |
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| 1916 | jag | 100 | } |
| 1528 | jag | 101 | return 0; |
| 102 | } |
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| 103 | |||
| 104 | inline int shift_down () { |
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| 105 | return (keydown (SDLK_LSHIFT) || keydown (SDLK_RSHIFT)); |
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| 106 | } |
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| 107 | |||
| 108 | inline int ctrl_down () { |
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| 109 | return (keydown (SDLK_LCTRL) || keydown (SDLK_RCTRL)); |
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| 110 | } |
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| 111 | |||
| 112 | inline int alt_down () { |
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| 113 | return (keydown (SDLK_LALT) || keydown (SDLK_RALT)); |
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| 114 | } |
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| 115 | |||
| 116 | extern int lmb, rmb, mmb; |
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| 117 | extern int mousex, mousey, mouseyy; |
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| 118 | extern int wheel; |
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| 119 | extern int SHIFT, CTRL, ALT; |
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| 120 | #endif |