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annotate libmlk-adventure/adventure/state/map.c @ 260:60a214ec1ab4

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adventure: change the way states are stored
author David Demelier <markand@malikania.fr>
date Sun, 06 Dec 2020 22:50:48 +0100
parents 16be1ad3ddba
children bfde372bf152
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1 /*
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2 * map.c -- map 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 <compat.h>
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20
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21 #include <assert.h>
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22 #include <stdlib.h>
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23 #include <stdio.h>
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24 #include <string.h>
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25
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26 #include <core/image.h>
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27 #include <core/painter.h>
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28 #include <core/panic.h>
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29 #include <core/state.h>
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30
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31 #include <rpg/map.h>
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32 #include <rpg/map-file.h>
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33
260
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34 #include <adventure/actions/spawner.h>
259
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35 #include <adventure/actions/teleport.h>
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36
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37 #include "molko.h"
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38 #include "map.h"
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39
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40 struct self {
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41 struct state state;
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42 char name[FILENAME_MAX];
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43 int origin_x;
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44 int origin_y;
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45 struct map map;
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46 struct map_file map_file;
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47 };
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48
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49 static void
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50 load_spawner(struct map *map, int x, int y, int w, int h, const char *value)
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51 {
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52 (void)x;
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53 (void)y;
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54 (void)w;
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55 (void)h;
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56 (void)value;
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57
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58 action_stack_add(&map->astack_par, spawner_new(map, 100, 300));
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59 }
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60
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61 static void
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62 load_teleport(struct map *map, int x, int y, int w, int h, const char *value)
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63 {
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64 char name[128] = {0};
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65 int origin_x = -1, origin_y = -1;
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66
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67 sscanf(value, "%127[^|]|%d|%d", name, &origin_x, &origin_y);
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68 action_stack_add(&map->astack_par, teleport_new(map, name, x, y, w, h, origin_x, origin_y));
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69 }
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70
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71 static void
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72 load_action(struct map *map, int x, int y, int w, int h, const char *value)
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73 {
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74 static const struct {
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75 const char *name;
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76 void (*load)(struct map *, int, int, int, int, const char *);
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77 } table[] = {
260
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78 { "teleport|", load_teleport },
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79 { "spawner|", load_spawner }
259
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80 };
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81
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82 for (size_t i = 0; i < NELEM(table); ++i) {
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83 size_t len = strlen(table[i].name);
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84
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85 if (strncmp(table[i].name, value, len) == 0) {
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86 table[i].load(map, x, y, w, h, value + len);
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87 break;
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88 }
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89 }
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90 }
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91
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92 static void
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93 start(struct state *state)
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94 {
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95 struct self *self = state->data;
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96
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97 self->map_file.load_action = load_action;
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98
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99 if (!map_file_open(&self->map_file, &self->map, molko_path(self->name)))
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100 panic();
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101
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102 /* TODO: find this from team maybe. */
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103 if (!image_open(&molko.map_player_texture, molko_path("assets/sprites/john.png")))
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104 panic();
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105
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106 sprite_init(&molko.map_player_sprite, &molko.map_player_texture, 48, 48);
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107 self->map.player_sprite = &molko.map_player_sprite;
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108
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109 /* TODO: add support for saving origin in save. */
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110 if (self->origin_x >= 0)
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111 self->map.player_x = self->origin_x;
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112 if (self->origin_y >= 0)
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113 self->map.player_y = self->origin_y;
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114
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115 if (!map_init(&self->map))
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116 panic();
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117 }
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118
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119 static void
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120 handle(struct state *state, const union event *ev)
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121 {
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122 struct self *self = state->data;
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123
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124 map_handle(&self->map, ev);
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125 }
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126
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127 static void
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128 update(struct state *state, unsigned int ticks)
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129 {
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130 struct self *self = state->data;
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131
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132 map_update(&self->map, ticks);
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133 }
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134
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135 static void
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136 draw(struct state *state)
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137 {
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138 struct self *self = state->data;
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139
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140 painter_clear();
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141 map_draw(&self->map);
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142 painter_present();
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143 }
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144
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145 static void
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146 finish(struct state *state)
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147 {
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148 struct self *self = state->data;
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149
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150 map_finish(&self->map);
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151 map_file_finish(&self->map_file);
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152
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153 free(self);
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154 }
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155
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156 struct state *
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157 map_state_new(const char *name, int origin_x, int origin_y)
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158 {
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159 (void)origin_x;
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160 (void)origin_y;
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161
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162 struct self *self;
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163
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164 self = alloc_new0(sizeof (*self));
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165 self->origin_x = origin_x;
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166 self->origin_y = origin_y;
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167 strlcpy(self->name, name, sizeof (self->name));
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168
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169 self->state.data = self;
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170 self->state.start = start;
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171 self->state.handle = handle;
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172 self->state.update = update;
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173 self->state.draw = draw;
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174 self->state.finish = finish;
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175
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176 return &self->state;
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177 }