doukutsu-rs/src/npc/ai/chaco.rs

71 lines
2.2 KiB
Rust

use crate::framework::error::GameResult;
use crate::caret::CaretType;
use crate::common::Direction;
use crate::npc::NPC;
use crate::player::Player;
use crate::rng::RNG;
use crate::shared_game_state::SharedGameState;
impl NPC {
pub(crate) fn tick_n093_chaco(&mut self, state: &mut SharedGameState, players: [&mut Player; 2]) -> GameResult {
match self.action_num {
0 | 1 => {
if self.action_num == 0 {
self.action_num = 1;
self.action_counter = 0;
self.anim_counter = 0;
}
if self.rng.range(0..120) == 10 {
self.action_num = 2;
self.action_counter = 0;
self.anim_num = 1;
}
let player = self.get_closest_player_mut(players);
if (self.x - player.x).abs() < 32 * 0x200
&& self.y - 32 * 0x200 < player.y
&& self.y + 16 * 0x200 > player.y {
self.direction = if self.x > player.x { Direction::Left } else { Direction::Right };
}
}
2 => {
self.action_counter += 1;
if self.action_counter > 8 {
self.action_num = 1;
self.anim_num = 0;
}
}
3 | 4 => {
if self.action_num == 3 {
self.action_num = 4;
self.anim_num = 2;
self.anim_counter = 0;
}
self.animate(4, 2, 5);
self.x += self.direction.vector_x() * 0x200;
}
10 => {
self.anim_num = 6;
self.action_counter += 1;
if self.action_counter > 200 {
self.action_counter = 0;
state.create_caret(self.x, self.y, CaretType::Zzz, Direction::Left);
}
}
_ => {}
}
let dir_offset = if self.direction == Direction::Left { 0 } else { 7 };
self.anim_rect = state.constants.npc.n093_chaco[self.anim_num as usize + dir_offset];
Ok(())
}
}