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| Rev | Author | Line No. | Line |
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| 1 | pmbaty | 1 | /* |
| 2 | * src/sysevt.c |
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| 3 | * |
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| 4 | * Copyright (C) 1998-2002 BigOrno (bigorno@bigorno.net). All rights reserved. |
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| 5 | * |
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| 6 | * The use and distribution terms for this software are contained in the file |
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| 7 | * named README, which can be found in the root of this distribution. By |
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| 8 | * using this software in any fashion, you are agreeing to be bound by the |
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| 9 | * terms of this license. |
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| 10 | * |
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| 11 | * You must not remove this notice, or any other, from this software. |
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| 12 | */ |
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| 13 | |||
| 14 | #include <SDL.h> |
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| 15 | |||
| 16 | #include "system.h" |
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| 17 | #include "game.h" |
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| 18 | |||
| 19 | #include "control.h" |
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| 20 | #include "draw.h" |
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| 21 | |||
| 22 | #define SYSJOY_RANGE 3280 |
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| 23 | |||
| 24 | static SDL_Event event; |
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| 25 | extern U8 want_filter; |
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| 26 | extern U8 want_fullscreen; |
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| 10 | pmbaty | 27 | extern U8 enable_endkey; |
| 7 | pmbaty | 28 | extern U8 recreate_screen; |
| 1 | pmbaty | 29 | |
| 30 | |||
| 31 | /* |
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| 32 | * Process an event |
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| 33 | */ |
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| 34 | static void processEvent (void) |
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| 35 | { |
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| 36 | static U8 alt_pressed = FALSE; |
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| 37 | |||
| 7 | pmbaty | 38 | U16 key = event.key.keysym.scancode; |
| 1 | pmbaty | 39 | |
| 40 | switch (event.type) |
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| 41 | { |
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| 42 | case SDL_KEYDOWN: |
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| 7 | pmbaty | 43 | if (key == SDL_SCANCODE_LALT) |
| 1 | pmbaty | 44 | alt_pressed = TRUE; |
| 7 | pmbaty | 45 | else if (alt_pressed && key == SDL_SCANCODE_RETURN) |
| 1 | pmbaty | 46 | { |
| 47 | want_fullscreen ^= TRUE; |
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| 7 | pmbaty | 48 | recreate_screen = TRUE; |
| 1 | pmbaty | 49 | } |
| 7 | pmbaty | 50 | else if (alt_pressed && key == SDL_SCANCODE_F4) |
| 1 | pmbaty | 51 | { |
| 52 | control_status |= CONTROL_EXIT; |
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| 53 | control_last = CONTROL_EXIT; |
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| 54 | } |
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| 7 | pmbaty | 55 | else if (key == SDL_SCANCODE_O || key == SDL_SCANCODE_UP) |
| 1 | pmbaty | 56 | { |
| 57 | control_status |= CONTROL_UP; |
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| 58 | control_last = CONTROL_UP; |
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| 59 | } |
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| 7 | pmbaty | 60 | else if (key == SDL_SCANCODE_K || key == SDL_SCANCODE_DOWN) |
| 1 | pmbaty | 61 | { |
| 62 | control_status |= CONTROL_DOWN; |
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| 63 | control_last = CONTROL_DOWN; |
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| 64 | } |
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| 7 | pmbaty | 65 | else if (key == SDL_SCANCODE_Z || key == SDL_SCANCODE_LEFT) |
| 1 | pmbaty | 66 | { |
| 67 | control_status |= CONTROL_LEFT; |
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| 68 | control_last = CONTROL_LEFT; |
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| 69 | } |
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| 7 | pmbaty | 70 | else if (key == SDL_SCANCODE_X || key == SDL_SCANCODE_RIGHT) |
| 1 | pmbaty | 71 | { |
| 72 | control_status |= CONTROL_RIGHT; |
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| 73 | control_last = CONTROL_RIGHT; |
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| 74 | } |
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| 10 | pmbaty | 75 | else if ((key == SDL_SCANCODE_PAUSE) || (key == SDL_SCANCODE_P)) |
| 1 | pmbaty | 76 | { |
| 77 | control_status |= CONTROL_PAUSE; |
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| 78 | control_last = CONTROL_PAUSE; |
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| 79 | } |
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| 10 | pmbaty | 80 | else if ((key == SDL_SCANCODE_END) && enable_endkey) |
| 1 | pmbaty | 81 | { |
| 82 | control_status |= CONTROL_END; |
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| 83 | control_last = CONTROL_END; |
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| 84 | } |
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| 7 | pmbaty | 85 | else if (key == SDL_SCANCODE_ESCAPE) |
| 1 | pmbaty | 86 | { |
| 87 | control_status |= CONTROL_EXIT; |
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| 88 | control_last = CONTROL_EXIT; |
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| 89 | } |
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| 7 | pmbaty | 90 | else if (key == SDL_SCANCODE_SPACE) |
| 1 | pmbaty | 91 | { |
| 92 | control_status |= CONTROL_FIRE; |
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| 93 | control_last = CONTROL_FIRE; |
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| 94 | } |
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| 7 | pmbaty | 95 | else if (key == SDL_SCANCODE_F4) |
| 1 | pmbaty | 96 | syssnd_toggleMute(); |
| 7 | pmbaty | 97 | else if (key == SDL_SCANCODE_F5) |
| 1 | pmbaty | 98 | syssnd_vol(-1); |
| 7 | pmbaty | 99 | else if (key == SDL_SCANCODE_F6) |
| 1 | pmbaty | 100 | syssnd_vol(+1); |
| 7 | pmbaty | 101 | else if (key == SDL_SCANCODE_F7) |
| 1 | pmbaty | 102 | want_filter ^= TRUE; |
| 7 | pmbaty | 103 | else if (key == SDL_SCANCODE_F10) |
| 1 | pmbaty | 104 | { |
| 105 | control_status &= ~CONTROL_EXIT; |
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| 106 | control_last = CONTROL_EXIT; |
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| 107 | } |
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| 108 | break; |
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| 109 | case SDL_KEYUP: |
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| 7 | pmbaty | 110 | if (key == SDL_SCANCODE_LALT) |
| 1 | pmbaty | 111 | alt_pressed = FALSE; |
| 7 | pmbaty | 112 | else if (key == SDL_SCANCODE_O || key == SDL_SCANCODE_UP) |
| 1 | pmbaty | 113 | { |
| 114 | control_status &= ~CONTROL_UP; |
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| 115 | control_last = CONTROL_UP; |
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| 116 | } |
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| 7 | pmbaty | 117 | else if (key == SDL_SCANCODE_K || key == SDL_SCANCODE_DOWN) |
| 1 | pmbaty | 118 | { |
| 119 | control_status &= ~CONTROL_DOWN; |
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| 120 | control_last = CONTROL_DOWN; |
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| 121 | } |
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| 7 | pmbaty | 122 | else if (key == SDL_SCANCODE_Z || key == SDL_SCANCODE_LEFT) |
| 1 | pmbaty | 123 | { |
| 124 | control_status &= ~CONTROL_LEFT; |
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| 125 | control_last = CONTROL_LEFT; |
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| 126 | } |
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| 7 | pmbaty | 127 | else if (key == SDL_SCANCODE_X || key == SDL_SCANCODE_RIGHT) |
| 1 | pmbaty | 128 | { |
| 129 | control_status &= ~CONTROL_RIGHT; |
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| 130 | control_last = CONTROL_RIGHT; |
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| 131 | } |
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| 10 | pmbaty | 132 | else if ((key == SDL_SCANCODE_PAUSE) || (key == SDL_SCANCODE_P)) |
| 1 | pmbaty | 133 | { |
| 134 | control_status &= ~CONTROL_PAUSE; |
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| 135 | control_last = CONTROL_PAUSE; |
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| 136 | } |
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| 10 | pmbaty | 137 | else if ((key == SDL_SCANCODE_END) && enable_endkey) |
| 1 | pmbaty | 138 | { |
| 139 | control_status &= ~CONTROL_END; |
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| 140 | control_last = CONTROL_END; |
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| 141 | } |
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| 7 | pmbaty | 142 | else if (key == SDL_SCANCODE_ESCAPE) |
| 1 | pmbaty | 143 | { |
| 144 | control_status &= ~CONTROL_EXIT; |
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| 145 | control_last = CONTROL_EXIT; |
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| 146 | } |
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| 7 | pmbaty | 147 | else if (key == SDL_SCANCODE_SPACE) |
| 1 | pmbaty | 148 | { |
| 149 | control_status &= ~CONTROL_FIRE; |
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| 150 | control_last = CONTROL_FIRE; |
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| 151 | } |
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| 152 | break; |
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| 153 | case SDL_QUIT: |
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| 154 | /* player tries to close the window -- this is the same as pressing ESC */ |
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| 155 | control_status |= CONTROL_EXIT; |
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| 156 | control_last = CONTROL_EXIT; |
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| 157 | break; |
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| 158 | case SDL_JOYAXISMOTION: |
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| 159 | if (event.jaxis.axis == 0) |
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| 160 | { |
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| 161 | /* left-right */ |
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| 162 | if (event.jaxis.value < -SYSJOY_RANGE) |
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| 163 | { /* left */ |
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| 164 | control_status |= CONTROL_LEFT; |
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| 165 | control_status &= ~CONTROL_RIGHT; |
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| 166 | } |
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| 167 | else if (event.jaxis.value > SYSJOY_RANGE) |
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| 168 | { /* right */ |
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| 169 | control_status |= CONTROL_RIGHT; |
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| 170 | control_status &= ~CONTROL_LEFT; |
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| 171 | } |
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| 172 | else |
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| 173 | { /* center */ |
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| 174 | control_status &= ~CONTROL_RIGHT; |
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| 175 | control_status &= ~CONTROL_LEFT; |
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| 176 | } |
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| 177 | } |
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| 178 | if (event.jaxis.axis == 1) |
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| 179 | { |
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| 180 | /* up-down */ |
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| 181 | if (event.jaxis.value < -SYSJOY_RANGE) |
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| 182 | { /* up */ |
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| 183 | control_status |= CONTROL_UP; |
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| 184 | control_status &= ~CONTROL_DOWN; |
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| 185 | } |
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| 186 | else if (event.jaxis.value > SYSJOY_RANGE) |
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| 187 | { /* down */ |
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| 188 | control_status |= CONTROL_DOWN; |
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| 189 | control_status &= ~CONTROL_UP; |
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| 190 | } |
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| 191 | else |
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| 192 | { /* center */ |
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| 193 | control_status &= ~CONTROL_DOWN; |
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| 194 | control_status &= ~CONTROL_UP; |
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| 195 | } |
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| 196 | } |
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| 197 | break; |
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| 198 | case SDL_JOYBUTTONDOWN: |
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| 199 | control_status |= CONTROL_FIRE; |
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| 200 | break; |
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| 201 | case SDL_JOYBUTTONUP: |
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| 202 | control_status &= ~CONTROL_FIRE; |
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| 203 | break; |
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| 204 | default: |
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| 205 | break; |
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| 206 | } |
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| 207 | } |
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| 208 | |||
| 209 | |||
| 210 | /* |
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| 211 | * Process events, if any, then return |
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| 212 | */ |
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| 213 | void sysevt_poll (void) |
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| 214 | { |
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| 215 | while (SDL_PollEvent (&event)) |
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| 216 | processEvent (); |
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| 217 | } |
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| 218 | |||
| 219 | |||
| 220 | /* |
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| 221 | * Wait for an event, then process it and return |
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| 222 | */ |
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| 223 | void sysevt_wait (void) |
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| 224 | { |
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| 225 | SDL_WaitEvent (&event); |
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| 226 | processEvent (); |
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| 227 | } |