284 lines
7.9 KiB
Rust
284 lines
7.9 KiB
Rust
use crate::framework::error::GameResult;
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use num_traits::clamp;
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use crate::common::Direction;
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use crate::npc::NPC;
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use crate::rng::RNG;
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use crate::shared_game_state::SharedGameState;
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impl NPC {
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pub(crate) fn tick_n001_experience(&mut self, state: &mut SharedGameState) -> GameResult {
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if state.control_flags.wind() {
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if self.action_num == 0 {
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self.action_num = 1;
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self.vel_x = self.rng.range(-0x80..0x80) as i32;
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self.vel_y = self.rng.range(-0x7f..0x100) as i32;
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}
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self.vel_x -= 0x8;
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if self.x < 80 * 0x200 {
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self.cond.set_alive(false);
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return Ok(());
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}
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if self.vel_x < -0x600 {
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self.vel_x = -0x600;
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}
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if self.flags.hit_left_wall() {
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self.vel_x = 0x100;
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}
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if self.flags.hit_top_wall() {
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self.vel_y = 0x40;
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}
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if self.flags.hit_bottom_wall() {
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self.vel_y = -0x40;
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}
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} else {
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if self.action_num == 0 {
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self.action_num = 1;
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self.anim_num = self.rng.range(0..4) as u16;
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self.vel_x = self.rng.range(-0x200..0x200) as i32;
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self.vel_y = self.rng.range(-0x400..0) as i32;
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self.direction = if self.rng.range(0..1) != 0 {
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Direction::Left
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} else {
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Direction::Right
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};
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}
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self.vel_y += if self.flags.in_water() {
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0x15
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} else {
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0x2a
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};
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if self.flags.hit_left_wall() && self.vel_x < 0 {
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self.vel_x = -self.vel_x;
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}
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if self.flags.hit_right_wall() && self.vel_x > 0 {
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self.vel_x = -self.vel_x;
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}
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if self.flags.hit_top_wall() && self.vel_y < 0 {
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self.vel_y = -self.vel_y;
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}
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if self.flags.hit_bottom_wall() {
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state.sound_manager.play_sfx(45);
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self.vel_y = -0x280;
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self.vel_x = 2 * self.vel_x / 3;
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}
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if self.flags.hit_left_wall() || self.flags.hit_right_wall() || self.flags.hit_bottom_wall() {
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state.sound_manager.play_sfx(45);
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self.action_counter2 += 1;
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if self.action_counter2 > 2 {
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self.vel_y -= 0x200;
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}
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} else {
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self.action_counter2 = 0;
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}
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self.vel_x = clamp(self.vel_x, -0x5ff, 0x5ff);
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self.vel_y = clamp(self.vel_y, -0x5ff, 0x5ff);
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}
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self.x += self.vel_x;
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self.y += self.vel_y;
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self.anim_counter += 1;
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if self.direction == Direction::Left {
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if self.anim_counter > 2 {
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self.anim_counter = 0;
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self.anim_num += 1;
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if self.anim_num > 5 {
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self.anim_num = 0;
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}
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}
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} else if self.anim_counter > 2 {
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self.anim_counter = 0;
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if self.anim_num > 0 {
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self.anim_num -= 1;
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} else {
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self.anim_num = 5;
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}
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}
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self.anim_rect = state.constants.npc.n001_experience[self.anim_num as usize];
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if self.action_num != 0 {
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if self.exp >= 5 {
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self.anim_rect.top += 16;
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self.anim_rect.bottom += 16;
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} else if self.exp >= 20 {
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self.anim_rect.top += 32;
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self.anim_rect.bottom += 32;
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}
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}
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self.action_counter += 1;
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if self.action_counter > 500 && self.anim_num == 5 && self.anim_counter == 2 {
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self.cond.set_alive(false);
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return Ok(());
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}
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if self.action_counter > 400 && (self.action_counter / 2 % 2) != 0 {
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self.anim_rect.left = 0;
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self.anim_rect.top = 0;
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self.anim_rect.right = 0;
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self.anim_rect.bottom = 0;
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}
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Ok(())
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}
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pub(crate) fn tick_n086_missile_pickup(&mut self, state: &mut SharedGameState) -> GameResult {
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if self.direction == Direction::Left {
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self.anim_counter += 1;
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if self.anim_counter > 2 {
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self.anim_counter = 0;
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self.anim_num += 1;
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if self.anim_num > 1 {
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self.anim_num = 0;
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}
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}
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self.action_counter2 += 1;
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}
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if state.control_flags.wind() {
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if self.action_num == 0 {
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self.action_num = 1;
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self.vel_x = self.rng.range(0x7f..0x100) as i32;
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self.vel_y = self.rng.range(-0x20..0x20) as i32;
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}
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self.vel_x -= 0x08;
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if self.x < 80 * 0x200 {
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self.cond.set_alive(false)
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}
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if self.flags.hit_left_wall() {
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self.vel_x = 0x100;
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}
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if self.flags.hit_top_wall() {
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self.vel_y = 0x40;
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}
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if self.flags.hit_bottom_wall() {
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self.vel_y = -0x40;
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}
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self.x += self.vel_x;
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self.y += self.vel_y;
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}
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match self.exp {
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1 => {
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self.anim_rect = state.constants.npc.n086_missile_pickup[self.anim_num as usize];
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}
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3 => {
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self.anim_rect = state.constants.npc.n086_missile_pickup[2 + self.anim_num as usize];
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}
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_ => {}
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}
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if self.action_counter2 > 550 {
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self.cond.set_alive(false);
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}
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if self.action_counter2 > 500 && self.action_counter2 / 2 % 2 != 0 {
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self.anim_rect.right = self.anim_rect.left;
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self.anim_rect.bottom = self.anim_rect.top;
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}
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if self.action_counter2 > 547 {
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self.anim_rect = state.constants.npc.n086_missile_pickup[4];
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}
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Ok(())
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}
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pub(crate) fn tick_n087_heart_pickup(&mut self, state: &mut SharedGameState) -> GameResult {
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if self.direction == Direction::Left {
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self.anim_counter += 1;
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if self.anim_counter > 2 {
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self.anim_counter = 0;
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self.anim_num += 1;
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if self.anim_num > 1 {
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self.anim_num = 0;
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}
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}
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self.action_counter2 += 1;
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}
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if state.control_flags.wind() {
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if self.action_num == 0 {
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self.action_num = 1;
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self.vel_x = self.rng.range(0x7f..0x100) as i32;
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self.vel_y = self.rng.range(-0x20..0x20) as i32;
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}
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self.vel_x -= 0x08;
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if self.x < 80 * 0x200 {
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self.cond.set_alive(false)
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}
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if self.flags.hit_left_wall() {
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self.vel_x = 0x100;
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}
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if self.flags.hit_top_wall() {
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self.vel_y = 0x40;
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}
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if self.flags.hit_bottom_wall() {
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self.vel_y = -0x40;
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}
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self.x += self.vel_x;
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self.y += self.vel_y;
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}
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match self.exp {
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2 => {
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self.anim_rect = state.constants.npc.n087_heart_pickup[self.anim_num as usize];
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}
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6 => {
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self.anim_rect = state.constants.npc.n087_heart_pickup[2 + self.anim_num as usize];
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}
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_ => {}
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}
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if self.action_counter2 > 550 {
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self.cond.set_alive(false);
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}
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if self.action_counter2 > 500 && self.action_counter2 / 2 % 2 != 0 {
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self.anim_rect.right = self.anim_rect.left;
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self.anim_rect.bottom = self.anim_rect.top;
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}
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if self.action_counter2 > 547 {
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self.anim_rect = state.constants.npc.n087_heart_pickup[4];
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}
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Ok(())
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}
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}
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