162
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1 /* |
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2 * state.c -- abstract state |
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3 * |
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4 * Copyright (c) 2020 David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #include <assert.h> |
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20 |
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21 #include "state.h" |
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22 |
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23 void |
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24 state_start(struct state *state) |
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25 { |
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26 assert(state); |
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27 |
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28 if (state->start) |
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29 state->start(state); |
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30 } |
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31 |
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32 void |
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33 state_handle(struct state *state, const union event *ev) |
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34 { |
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35 assert(state); |
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36 assert(ev); |
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37 |
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38 if (state->handle) |
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39 state->handle(state, ev); |
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40 } |
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41 |
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42 void |
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43 state_update(struct state *state, unsigned int ticks) |
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44 { |
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45 assert(state); |
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46 |
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47 if (state->update) |
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48 state->update(state, ticks); |
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49 } |
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50 |
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51 void |
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52 state_draw(struct state *state) |
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53 { |
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54 assert(state); |
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55 |
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56 if (state->draw) |
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57 state->draw(state); |
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58 } |
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59 |
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60 void |
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61 state_end(struct state *state) |
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62 { |
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63 assert(state); |
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64 |
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65 if (state->end) |
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66 state->end(state); |
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67 } |
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68 |
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69 void |
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70 state_finish(struct state *state) |
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71 { |
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72 assert(state); |
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73 |
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74 if (state->finish) |
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75 state->finish(state); |
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76 } |