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

382 lines
12 KiB
Rust

use crate::framework::error::GameResult;
use num_traits::{abs, clamp};
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_n029_cthulhu(&mut self, state: &mut SharedGameState, players: [&mut Player; 2]) -> GameResult {
if self.action_num == 0 {
self.action_num = 1;
self.anim_num = 0;
self.anim_counter = 0;
}
let player = self.get_closest_player_mut(players);
if abs(self.x - player.x) < 48 * 0x200 && self.y - 48 * 0x200 < player.y && self.y + 16 * 0x200 > player.y {
self.anim_num = 1;
} else {
self.anim_num = 0;
}
let dir_offset = if self.direction == Direction::Left { 0 } else { 2 };
self.anim_rect = state.constants.npc.n029_cthulhu[self.anim_num as usize + dir_offset];
Ok(())
}
pub(crate) fn tick_n052_sitting_blue_robot(&mut self, state: &mut SharedGameState) -> GameResult {
if self.action_num == 0 {
self.action_num = 1;
self.anim_rect = state.constants.npc.n052_sitting_blue_robot;
}
Ok(())
}
pub(crate) fn tick_n055_kazuma(&mut self, state: &mut SharedGameState) -> GameResult {
let off = if self.direction == Direction::Left { 0 } else { 6 };
match self.action_num {
0 => {
self.action_num = 1;
self.anim_num = 0;
self.anim_counter = 0;
self.anim_rect = state.constants.npc.n055_kazuma[off];
}
3 | 4 => {
if self.action_num == 3 {
self.action_num = 4;
self.anim_num = 1;
self.anim_counter = 0;
}
self.anim_counter += 1;
if self.anim_counter > 4 {
self.anim_counter = 0;
self.anim_num += 1;
}
if self.anim_num > 4 {
self.anim_num = 1;
}
match self.direction {
Direction::Left => {
self.x -= 0x200;
}
Direction::Right => {
self.x += 0x200;
}
_ => {}
}
self.anim_rect = state.constants.npc.n055_kazuma[self.anim_num as usize + off];
}
5 => {
self.anim_num = 5;
self.anim_rect = state.constants.npc.n055_kazuma[self.anim_num as usize + off];
}
_ => {}
}
self.vel_y += 0x20;
if self.vel_y > 0x5ff {
self.vel_y = 0x5ff;
}
self.y += self.vel_y;
Ok(())
}
pub(crate) fn tick_n061_king(&mut self, state: &mut SharedGameState) -> GameResult {
match self.action_num {
0 | 1 => {
if self.action_num == 0 {
self.action_num = 1;
self.anim_num = 0;
self.anim_counter = 0;
self.vel_x = 0;
}
if self.rng.range(0..120) == 10 {
self.action_num = 2;
self.action_counter = 0;
self.anim_num = 1;
}
}
2 => {
self.action_counter += 1;
if self.action_counter > 8 {
self.action_num = 1;
self.anim_num = 0;
}
}
5 => {
self.anim_num = 3;
self.vel_x = 0;
}
6 | 7 => {
if self.action_num == 6 {
self.action_num = 7;
self.action_counter = 0;
self.anim_counter = 0;
self.vel_y = -0x400;
}
self.anim_num = 2;
if self.direction == Direction::Left {
self.vel_x = -0x200;
} else {
self.vel_x = 0x200;
}
if self.action_counter != 0 && self.flags.hit_bottom_wall() {
self.action_num = 5;
}
self.action_counter += 1;
}
8 | 9 => {
if self.action_num == 8 {
self.action_num = 9;
self.anim_num = 4;
self.anim_counter = 0;
}
self.anim_counter += 1;
if self.anim_counter > 4 {
self.anim_counter = 0;
self.anim_num += 1;
}
if self.anim_num > 7 {
self.anim_num = 4;
}
if self.direction == Direction::Left {
self.vel_x = -0x200;
} else {
self.vel_x = 0x200;
}
}
10 | 11 => {
if self.action_num == 10 {
self.action_num = 11;
self.anim_num = 4;
self.anim_counter = 0;
}
self.anim_counter += 1;
if self.anim_counter > 2 {
self.anim_counter = 0;
self.anim_num += 1;
}
if self.anim_num > 7 {
self.anim_num = 4;
}
if self.direction == Direction::Left {
self.vel_x = -0x400;
} else {
self.vel_x = 0x400;
}
}
// todo: 20 - king's sword
// todo: 30,31 - pre misery attack
// todo: 40,42 - dying
// todo: 60,61 - leap
_ => {}
}
if self.action_num < 30 || self.action_num >= 40 {
self.vel_y += 0x40;
self.vel_x = clamp(self.vel_x, -0x400, 0x400);
if self.vel_y > 0x5ff {
self.vel_y = 0x5ff;
}
}
self.x += self.vel_x;
self.y += self.vel_y;
if self.direction == Direction::Left {
self.anim_rect = state.constants.npc.n061_king[self.anim_num as usize];
} else {
self.anim_rect = state.constants.npc.n061_king[self.anim_num as usize + 10];
}
Ok(())
}
pub(crate) fn tick_n062_kazuma_computer(&mut self, state: &mut SharedGameState) -> GameResult {
match self.action_num {
0 | 1 => {
if self.action_num == 0 {
self.x -= 4 * 0x200;
self.y += 16 * 0x200;
self.action_num = 1;
self.anim_num = 0;
self.anim_counter = 0;
self.anim_rect = state.constants.npc.n062_kazuma_computer[self.anim_num as usize];
}
self.anim_counter += 1;
if self.anim_counter > 2 {
self.anim_counter = 0;
self.anim_num += 1;
self.anim_rect = state.constants.npc.n062_kazuma_computer[self.anim_num as usize];
}
if self.anim_num > 1 {
self.anim_num = 0;
self.anim_rect = state.constants.npc.n062_kazuma_computer[self.anim_num as usize];
}
if self.rng.range(0..80) == 1 {
self.action_num = 2;
self.action_counter = 0;
self.anim_num = 1;
self.anim_rect = state.constants.npc.n062_kazuma_computer[self.anim_num as usize];
}
if self.rng.range(0..120) == 10 {
self.action_num = 3;
self.action_counter = 0;
self.anim_num = 2;
self.anim_rect = state.constants.npc.n062_kazuma_computer[self.anim_num as usize];
}
}
2 => {
self.action_counter += 1;
if self.action_counter > 40 {
self.action_num = 3;
self.anim_num = 2;
self.action_counter = 0;
self.anim_rect = state.constants.npc.n062_kazuma_computer[self.anim_num as usize];
}
}
3 => {
self.action_counter += 1;
if self.action_counter > 80 {
self.action_num = 1;
self.anim_num = 0;
self.anim_rect = state.constants.npc.n062_kazuma_computer[self.anim_num as usize];
}
}
_ => {}
}
Ok(())
}
pub(crate) fn tick_n074_jack(&mut self, state: &mut SharedGameState) -> GameResult {
match self.action_num {
0 | 1 => {
if self.action_num == 0 {
self.action_num = 1;
self.anim_num = 0;
self.anim_counter = 0;
self.vel_x = 0;
}
if self.rng.range(0..120) == 10 {
self.action_num = 2;
self.action_counter = 0;
self.anim_num = 1;
}
}
2 => {
self.action_counter += 1;
if self.action_counter > 8 {
self.action_num = 1;
self.anim_num = 0;
}
}
8 | 9 => {
if self.anim_num == 8 {
self.action_num = 9;
self.anim_num = 2;
self.anim_counter = 0;
}
self.anim_counter += 1;
if self.anim_counter > 4 {
self.anim_counter = 0;
self.anim_num += 1;
}
if self.anim_num > 5 {
self.anim_num = 2;
}
if self.direction == Direction::Left {
self.vel_x = -0x200;
} else {
self.vel_x = 0x200;
}
}
_ => {}
}
self.vel_y += 0x40;
self.vel_x = clamp(self.vel_x, -0x400, 0x400);
if self.vel_y > 0x5ff {
self.vel_y = 0x5ff;
}
self.x += self.vel_x;
self.y += self.vel_y;
let dir_offset = if self.direction == Direction::Left { 0 } else { 6 };
self.anim_rect = state.constants.npc.n074_jack[self.anim_num as usize + dir_offset];
Ok(())
}
pub(crate) fn tick_n151_blue_robot_standing(&mut self, state: &mut SharedGameState) -> GameResult {
match self.action_num {
0 | 1 => {
if self.action_num == 0 {
self.action_num = 1;
self.anim_num = 0;
self.anim_counter = 0;
}
if self.rng.range(0..100) == 0 {
self.action_num = 2;
self.action_counter = 0;
self.anim_num = 1;
}
}
2 => {
self.action_counter += 1;
if self.action_counter > 16 {
self.action_num = 1;
self.anim_num = 0;
}
}
_ => {}
}
let dir_offset = if self.direction == Direction::Left { 0 } else { 2 };
self.anim_rect = state.constants.npc.n151_blue_robot_standing[self.anim_num as usize + dir_offset];
Ok(())
}
}