Mercurial > molko
annotate src/message.c @ 24:4a06503641eb
core: start basic implementation of dialog, continue #2449 @2h
author | David Demelier <markand@malikania.fr> |
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date | Fri, 10 Jan 2020 13:30:01 +0100 |
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children | 783841af4033 |
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1 /* |
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2 * message.c -- message dialog |
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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 "font.h" |
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22 #include "texture.h" |
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23 #include "message.h" |
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24 #include "sprite.h" |
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25 #include "window.h" |
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26 |
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27 #define MESSAGE_SPEED 1000 /* Time delay for animations */ |
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28 #define MESSAGE_TIMEOUT 5000 /* Time for auto-closing */ |
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29 |
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30 void |
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31 message_start(struct message *msg) |
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32 { |
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33 assert(msg); |
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34 |
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35 msg->elapsed = 0; |
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36 msg->state = MESSAGE_OPENING; |
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37 } |
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38 |
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39 void |
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40 message_update(struct message *msg, unsigned ticks) |
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41 { |
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42 assert(msg); |
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43 |
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44 msg->elapsed += ticks; |
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45 |
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46 switch (msg->state) { |
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47 case MESSAGE_OPENING: |
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48 if (msg->elapsed >= MESSAGE_SPEED) |
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49 msg->state = MESSAGE_SHOWING; |
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50 break; |
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51 case MESSAGE_SHOWING: |
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52 /* Do automatically switch state if requested by the user. */ |
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53 if (msg->flags & MESSAGE_AUTOMATIC && msg->elapsed >= MESSAGE_TIMEOUT) |
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54 msg->state = MESSAGE_HIDING; |
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55 |
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56 break; |
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57 default: |
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58 break; |
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59 } |
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60 } |
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61 |
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62 void |
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63 message_draw(struct message *msg) |
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64 { |
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65 assert(msg); |
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66 |
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67 /* TODO: more constant variables. */ |
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68 struct texture *lines[3]; |
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69 int x = 160; |
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70 int y = 80; |
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71 |
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72 window_set_color(0xff0000ff); |
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73 window_draw_rectangle(true, x, y, 960, 160); |
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74 |
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75 for (int i = 0; msg->text[i]; ++i) { |
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76 lines[i] = font_render(msg->font, msg->text[i], 0xffffffff); |
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77 |
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78 if (!lines[i]) |
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79 continue; |
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80 |
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81 texture_draw(lines[i], x, y); |
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82 texture_close(lines[i]); |
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83 y += 53; |
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84 } |
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85 } |
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86 |
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87 void |
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88 message_hide(struct message *msg) |
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89 { |
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90 assert(msg); |
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91 |
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92 msg->elapsed = 0; |
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93 } |
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94 |
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95 bool |
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96 message_is_complete(struct message *msg) |
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97 { |
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98 assert(msg); |
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99 |
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100 return msg->state == MESSAGE_HIDING && msg->elapsed >= MESSAGE_SPEED; |
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101 } |