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1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * Copyright 2023 Mike Becker. All rights reserved. |
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4 * |
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5 * Redistribution and use in source and binary forms, with or without |
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6 * modification, are permitted provided that the following conditions are met: |
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7 * |
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8 * 1. Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * |
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11 * 2. Redistributions in binary form must reproduce the above copyright |
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12 * notice, this list of conditions and the following disclaimer in the |
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13 * documentation and/or other materials provided with the distribution. |
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14 * |
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15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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25 * POSSIBILITY OF SUCH DAMAGE. |
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26 */ |
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27 |
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28 #include "ascension/context.h" |
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29 #include "ascension/error.h" |
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30 #include "ascension/utils.h" |
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31 |
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32 #include <cx/linked_list.h> |
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33 |
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34 #include <SDL2/SDL.h> |
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35 #include <SDL2/SDL_ttf.h> |
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36 |
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37 AscContext asc_context; |
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38 |
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39 void asc_context_initialize(void) { |
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40 if (asc_test_flag(asc_context.flags, ASC_FLAG_INITILIZED)) |
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41 return; |
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42 asc_clear_flag(&asc_context.flags, ASC_FLAG_HAS_ERROR); |
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43 |
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44 // initialize error buffer |
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45 cxBufferInit( |
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46 &asc_context.error_buffer, |
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47 NULL, |
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48 256, |
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49 NULL, |
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50 CX_BUFFER_AUTO_EXTEND |
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51 ); |
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52 |
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53 // initialize data |
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54 memset(asc_context.windows, 0, sizeof (asc_context.windows)); |
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55 |
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56 // initialize SDL |
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57 if (SDL_Init(SDL_INIT_VIDEO) < 0) { |
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58 asc_error(SDL_GetError()); |
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59 } else { |
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60 if (TTF_Init() < 0) { |
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61 asc_error(TTF_GetError()); |
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62 } |
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63 } |
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64 SDL_ClearError(); |
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65 asc_set_flag(&asc_context.flags, ASC_FLAG_INITILIZED); |
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66 asc_dprintf("Ascension context initialized."); |
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67 } |
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68 |
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69 void asc_context_destroy(void) { |
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70 // destroy data |
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71 for (unsigned int i = 0 ; i < ASC_MAX_WINDOWS ; i++) { |
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72 asc_window_destroy(&asc_context.windows[i]); |
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73 } |
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74 |
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75 // quit SDL |
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76 if (TTF_WasInit()) |
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77 TTF_Quit(); |
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78 SDL_Quit(); |
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79 |
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80 // destroy the error buffer |
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81 cxBufferDestroy(&asc_context.error_buffer); |
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82 asc_context.flags = 0; |
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83 asc_dprintf("Ascension context destroyed."); |
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84 } |