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annotate libmlk-core/mlk/core/action-script.c @ 646:7e1eb7f6c049 default tip @

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misc: remove .clang
author David Demelier <markand@malikania.fr>
date Sun, 04 Feb 2024 15:24:37 +0100
parents 4349b591c3ac
children
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1 /*
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2 * action-script.c -- convenient sequence of actions
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3 *
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4 * Copyright (c) 2020-2023 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 #include <stdlib.h>
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21 #include <string.h>
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22
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23 #include "action-script.h"
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24 #include "core_p.h"
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25 #include "action.h"
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26 #include "err.h"
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27
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28 static inline struct mlk_action *
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29 current(struct mlk_action_script *s)
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30 {
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31 if (s->current >= s->length)
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32 return NULL;
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33
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34 return s->actions[s->current];
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35 }
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36
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37 void
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38 mlk_action_script_init(struct mlk_action_script *s)
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39 {
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40 assert(s);
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41
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42 for (size_t i = 0; i < s->actionsz; ++i)
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43 s->actions[i] = NULL;
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44 }
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45
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46 int
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47 mlk_action_script_append(struct mlk_action_script *s, struct mlk_action *a)
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48 {
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49 assert(s);
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50 assert(a);
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51
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52 if (s->length >= s->actionsz)
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53 return mlk_errf(_("no space in action script"));
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54
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55 s->actions[s->length++] = a;
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56
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57 return 0;
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58 }
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59
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60 void
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61 mlk_action_script_start(struct mlk_action_script *s)
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62 {
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63 assert(s);
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64
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65 struct mlk_action *a;
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66
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67 if ((a = current(s)))
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68 mlk_action_start(a);
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69 }
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71 void
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72 mlk_action_script_handle(struct mlk_action_script *s, const union mlk_event *ev)
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73 {
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74 assert(s);
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75 assert(ev);
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76
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77 struct mlk_action *a;
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78
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79 if ((a = current(s)))
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80 mlk_action_handle(a, ev);
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81 }
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83 int
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84 mlk_action_script_update(struct mlk_action_script *s, unsigned int ticks)
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85 {
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86 assert(s);
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87
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88 struct mlk_action *a;
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89
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90 /* No action left means completed. */
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91 if (!(a = current(s)))
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92 return 1;
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93
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94 if (mlk_action_update(a, ticks)) {
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95 mlk_action_end(a);
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96 s->current++;
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97
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98 /* Start this action now. */
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99 if ((a = current(s)))
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100 mlk_action_start(a);
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101 }
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102
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103 return s->current >= s->length;
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104 }
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105
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106 void
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107 mlk_action_script_draw(struct mlk_action_script *s)
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108 {
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109 assert(s);
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110
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111 struct mlk_action *a;
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112
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113 if ((a = current(s)))
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114 mlk_action_draw(a);
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115 }
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116
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117 int
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118 mlk_action_script_completed(const struct mlk_action_script *s)
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119 {
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120 assert(s);
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121
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122 return s->current >= s->length;
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123 }
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124
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125 void
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126 mlk_action_script_finish(struct mlk_action_script *s)
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127 {
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128 assert(s);
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129
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130 for (size_t i = 0; i < s->actionsz; ++i) {
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131 if (i < s->length)
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132 mlk_action_finish(s->actions[i]);
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133
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134 s->actions[i] = NULL;
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135 }
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136
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137 s->length = s->current = 0;
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138 }