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comparison src/th06/enemy.rs @ 666:838d9402b12f

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Implement ECL instruction 98, for directional sprites.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Mon, 12 Aug 2019 00:22:25 +0200
parents 965ecdbf0316
children 904849807fd8
comparison
equal deleted inserted replaced
665:965ecdbf0316 666:838d9402b12f
108 /// Common to all elements in game. 108 /// Common to all elements in game.
109 struct Element { 109 struct Element {
110 pos: Position, 110 pos: Position,
111 removed: bool, 111 removed: bool,
112 anmrunner: AnmRunner, 112 anmrunner: AnmRunner,
113 }
114
115 #[derive(PartialEq)]
116 pub(crate) enum Direction {
117 Left,
118 Center,
119 Right,
120 }
121
122 impl Default for Direction {
123 fn default() -> Direction {
124 Direction::Center
125 }
113 } 126 }
114 127
115 /// The enemy struct, containing everything pertaining to an enemy. 128 /// The enemy struct, containing everything pertaining to an enemy.
116 #[derive(Default)] 129 #[derive(Default)]
117 pub struct Enemy { 130 pub struct Enemy {
141 pub(crate) timeout: Option<u32>, 154 pub(crate) timeout: Option<u32>,
142 pub(crate) remaining_lives: u32, 155 pub(crate) remaining_lives: u32,
143 pub(crate) bullet_launch_interval: u32, 156 pub(crate) bullet_launch_interval: u32,
144 pub(crate) bullet_launch_timer: u32, 157 pub(crate) bullet_launch_timer: u32,
145 pub(crate) death_anim: i32, 158 pub(crate) death_anim: i32,
146 pub(crate) direction: u32, 159 pub(crate) direction: Direction,
147 pub(crate) update_mode: u32, 160 pub(crate) update_mode: u32,
148 161
149 // Bools. 162 // Bools.
150 pub(crate) visible: bool, 163 pub(crate) visible: bool,
151 pub(crate) was_visible: bool, 164 pub(crate) was_visible: bool,
159 // Tuples. 172 // Tuples.
160 pub(crate) difficulty_coeffs: (f32, f32, u32, u32, u32, u32), 173 pub(crate) difficulty_coeffs: (f32, f32, u32, u32, u32, u32),
161 pub(crate) extended_bullet_attributes: Option<(u32, u32, u32, u32, f32, f32, f32, f32)>, 174 pub(crate) extended_bullet_attributes: Option<(u32, u32, u32, u32, f32, f32, f32, f32)>,
162 pub(crate) bullet_attributes: Option<(i16, i16, u32, u32, u32, f32, f32, f32, f32, u32)>, 175 pub(crate) bullet_attributes: Option<(i16, i16, u32, u32, u32, f32, f32, f32, f32, u32)>,
163 pub(crate) bullet_launch_offset: Offset, 176 pub(crate) bullet_launch_offset: Offset,
164 pub(crate) movement_dependant_sprites: Option<(f32, f32, f32, f32)>, 177 pub(crate) movement_dependant_sprites: Option<(u8, u8, u8, u8)>,
165 pub(crate) screen_box: Option<(f32, f32, f32, f32)>, 178 pub(crate) screen_box: Option<(f32, f32, f32, f32)>,
166 179
167 // Callbacks. 180 // Callbacks.
168 death_callback: Option<Callback>, 181 death_callback: Option<Callback>,
169 boss_callback: Option<Callback>, 182 boss_callback: Option<Callback>,
256 } else { 269 } else {
257 x += dx; 270 x += dx;
258 } 271 }
259 y += dy; 272 y += dy;
260 273
274 if let Some((end_left, end_right, left, right)) = self.movement_dependant_sprites {
275 if x < self.pos.x && self.direction != Direction::Left {
276 self.set_anim(left);
277 self.direction = Direction::Left;
278 } else if x > self.pos.x && self.direction != Direction::Right {
279 self.set_anim(right);
280 self.direction = Direction::Right;
281 } else if x == self.pos.x && self.direction != Direction::Center {
282 let anim = if self.direction == Direction::Left {
283 end_left
284 } else {
285 end_right
286 };
287 self.set_anim(anim);
288 self.direction = Direction::Center;
289 }
290 }
291
261 self.pos = Position { x, y }; 292 self.pos = Position { x, y };
262 293
263 self.frame += 1; 294 self.frame += 1;
264 } 295 }
265 296