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doukutsu-rs/src/npc/mod.rs
2021-03-09 15:05:38 +01:00

594 lines
22 KiB
Rust

use std::io;
use std::io::Cursor;
use byteorder::{LE, ReadBytesExt};
use crate::framework::context::Context;
use crate::framework::error::GameResult;
use num_traits::abs;
use crate::bitfield;
use crate::weapon::bullet::BulletManager;
use crate::common::{Condition, interpolate_fix9_scale, Rect};
use crate::common::Direction;
use crate::common::Flag;
use crate::entity::GameEntity;
use crate::frame::Frame;
use crate::npc::list::NPCList;
use crate::physics::PhysicalEntity;
use crate::player::Player;
use crate::rng::Xoroshiro32PlusPlus;
use crate::shared_game_state::SharedGameState;
use crate::stage::Stage;
use crate::str;
pub mod ai;
pub mod boss;
pub mod list;
pub mod utils;
bitfield! {
#[derive(Clone, Copy)]
pub struct NPCFlag(u16);
impl Debug;
pub solid_soft, set_solid_soft: 0; // 0x01
pub ignore_tile_44, set_ignore_tile_44: 1; // 0x02
pub invulnerable, set_invulnerable: 2; // 0x04
pub ignore_solidity, set_ignore_solidity: 3; // 0x08
pub bouncy, set_bouncy: 4; // 0x10
pub shootable, set_shootable: 5; // 0x20
pub solid_hard, set_solid_hard: 6; // 0x40
pub rear_and_top_not_hurt, set_rear_and_top_not_hurt: 7; // 0x80
pub event_when_touched, set_event_when_touched: 8; // 0x100
pub event_when_killed, set_event_when_killed: 9; // 0x200
pub flag_x400, set_flag_x400: 10; // 0x400
pub appear_when_flag_set, set_appear_when_flag_set: 11; // 0x800
pub spawn_facing_right, set_spawn_facing_right: 12; // 0x1000
pub interactable, set_interactable: 13; // 0x2000
pub hide_unless_flag_set, set_hide_unless_flag_set: 14; // 0x4000
pub show_damage, set_show_damage: 15; // 0x8000
}
/// Represents an NPC object.
#[derive(Debug, Clone)]
pub struct NPC {
pub id: u16,
pub npc_type: u16,
pub x: i32,
pub y: i32,
/// X velocity, affected by physics code
pub vel_x: i32,
/// Y velocity, affected by physics code
pub vel_y: i32,
/// X velocity, unaffected by physics code
pub vel_x2: i32,
/// Y velocity, unaffected by physics code
pub vel_y2: i32,
pub target_x: i32,
pub target_y: i32,
/// Previous X position, used by frame interpolator
pub prev_x: i32,
/// Previous Y position, used by frame interpolator
pub prev_y: i32,
pub exp: u16,
pub size: u8,
pub shock: u16,
pub life: u16,
pub damage: u16,
pub spritesheet_id: u16,
pub cond: Condition,
pub flags: Flag,
pub npc_flags: NPCFlag,
pub direction: Direction,
/// Raw direction value set by TSC because some NPCs have it set outside 0-4 range,
/// breaking the direction type.
pub tsc_direction: u16,
pub display_bounds: Rect<usize>,
pub hit_bounds: Rect<usize>,
pub parent_id: u16,
pub action_num: u16,
pub anim_num: u16,
pub flag_num: u16,
pub event_num: u16,
pub action_counter: u16,
pub action_counter2: u16,
pub anim_counter: u16,
pub anim_rect: Rect<u16>,
pub rng: Xoroshiro32PlusPlus,
}
impl NPC {
pub fn empty() -> NPC {
NPC {
id: 0,
npc_type: 0,
x: 0,
y: 0,
vel_x: 0,
vel_y: 0,
vel_x2: 0,
vel_y2: 0,
target_x: 0,
target_y: 0,
prev_x: 0,
prev_y: 0,
exp: 0,
size: 0,
shock: 0,
life: 0,
damage: 0,
spritesheet_id: 0,
cond: Condition(0),
flags: Flag(0),
npc_flags: NPCFlag(0),
direction: Direction::Left,
tsc_direction: 0,
display_bounds: Rect { left: 0, top: 0, right: 0, bottom: 0 },
hit_bounds: Rect { left: 0, top: 0, right: 0, bottom: 0 },
parent_id: 0,
action_num: 0,
anim_num: 0,
flag_num: 0,
event_num: 0,
action_counter: 0,
action_counter2: 0,
anim_counter: 0,
anim_rect: Rect { left: 0, top: 0, right: 0, bottom: 0 },
rng: Xoroshiro32PlusPlus::new(0),
}
}
}
impl GameEntity<([&mut Player; 2], &NPCList, &mut Stage, &BulletManager)> for NPC {
fn tick(&mut self, state: &mut SharedGameState, (players, npc_list, stage, _bullet_manager): ([&mut Player; 2], &NPCList, &mut Stage, &BulletManager)) -> GameResult {
match self.npc_type {
0 => self.tick_n000_null(),
1 => self.tick_n001_experience(state),
2 => self.tick_n002_behemoth(state),
3 => self.tick_n003_dead_enemy(),
4 => self.tick_n004_smoke(state),
5 => self.tick_n005_green_critter(state, players),
6 => self.tick_n006_green_beetle(state),
7 => self.tick_n007_basil(state, players),
8 => self.tick_n008_blue_beetle(state, players),
9 => self.tick_n009_balrog_falling_in(state, npc_list),
10 => self.tick_n010_balrog_shooting(state, players, npc_list),
11 => self.tick_n011_balrogs_projectile(state),
12 => self.tick_n012_balrog_cutscene(state, players, npc_list, stage),
13 => self.tick_n013_forcefield(state),
14 => self.tick_n014_key(state),
15 => self.tick_n015_chest_closed(state, npc_list),
16 => self.tick_n016_save_point(state),
17 => self.tick_n017_health_refill(state),
18 => self.tick_n018_door(state, npc_list),
19 => self.tick_n019_balrog_bust_in(state, npc_list),
20 => self.tick_n020_computer(state),
21 => self.tick_n021_chest_open(state),
22 => self.tick_n022_teleporter(state),
23 => self.tick_n023_teleporter_lights(state),
24 => self.tick_n024_power_critter(state, players),
25 => self.tick_n025_lift(state),
26 => self.tick_n026_bat_flying(state, players),
27 => self.tick_n027_death_trap(state),
28 => self.tick_n028_flying_critter(state, players),
29 => self.tick_n029_cthulhu(state, players),
30 => self.tick_n030_gunsmith(state),
31 => self.tick_n031_bat_hanging(state, players),
32 => self.tick_n032_life_capsule(state),
33 => self.tick_n033_balrog_bouncing_projectile(state),
34 => self.tick_n034_bed(state),
35 => self.tick_n035_mannan(state, npc_list),
36 => self.tick_n036_balrog_hover(state, players, npc_list),
37 => self.tick_n037_sign(state),
38 => self.tick_n038_fireplace(state),
39 => self.tick_n039_save_sign(state),
40 => self.tick_n040_santa(state, players),
41 => self.tick_n041_busted_door(state),
42 => self.tick_n042_sue(state, players, npc_list),
43 => self.tick_n043_chalkboard(state),
44 => self.tick_n044_polish(state, npc_list),
45 => self.tick_n045_baby(state),
46 => self.tick_n046_hv_trigger(players),
47 => self.tick_n047_sandcroc(state, players),
48 => self.tick_n048_omega_projectiles(state),
49 => self.tick_n049_skullhead(state, players, npc_list),
50 => self.tick_n050_skeleton_projectile(state),
51 => self.tick_n051_crow_and_skullhead(state, players, npc_list),
52 => self.tick_n052_sitting_blue_robot(state),
53 => self.tick_n053_skullstep_leg(state, npc_list),
54 => self.tick_n054_skullstep(state, npc_list),
55 => self.tick_n055_kazuma(state),
58 => self.tick_n058_basu(state, players, npc_list),
59 => self.tick_n059_eye_door(state, players),
60 => self.tick_n060_toroko(state, players),
61 => self.tick_n061_king(state),
62 => self.tick_n062_kazuma_computer(state),
63 => self.tick_n063_toroko_stick(state),
64 => self.tick_n064_first_cave_critter(state, players),
65 => self.tick_n065_first_cave_bat(state, players),
66 => self.tick_n066_misery_bubble(state, npc_list),
67 => self.tick_n067_misery_floating(state, npc_list),
68 => self.tick_n068_balrog_running(state, players, npc_list),
69 => self.tick_n069_pignon(state),
70 => self.tick_n070_sparkle(state),
71 => self.tick_n071_chinfish(state),
72 => self.tick_n072_sprinkler(state, players, npc_list),
73 => self.tick_n073_water_droplet(state, stage),
74 => self.tick_n074_jack(state),
75 => self.tick_n075_kanpachi(state, players),
76 => self.tick_n076_flowers(),
77 => self.tick_n077_yamashita(state),
78 => self.tick_n078_pot(state),
79 => self.tick_n079_mahin(state, players),
80 => self.tick_n080_gravekeeper(state, players),
81 => self.tick_n081_giant_pignon(state, players),
82 => self.tick_n082_misery_standing(state, npc_list),
83 => self.tick_n083_igor_cutscene(state),
84 => self.tick_n084_basu_projectile(state),
85 => self.tick_n085_terminal(state, players),
86 => self.tick_n086_missile_pickup(state),
87 => self.tick_n087_heart_pickup(state),
88 => self.tick_n088_igor_boss(state, players, npc_list),
89 => self.tick_n089_igor_dead(state, players, npc_list),
90 => self.tick_n090_background(state),
91 => self.tick_n091_mimiga_cage(state),
92 => self.tick_n092_sue_at_pc(state),
93 => self.tick_n093_chaco(state, players),
94 => self.tick_n094_kulala(state, players),
95 => self.tick_n095_jelly(state),
96 => self.tick_n096_fan_left(state, players, npc_list),
97 => self.tick_n097_fan_up(state, players, npc_list),
98 => self.tick_n098_fan_right(state, players, npc_list),
99 => self.tick_n099_fan_down(state, players, npc_list),
100 => self.tick_n100_grate(state),
101 => self.tick_n101_malco_screen(state),
102 => self.tick_n102_malco_computer_wave(state),
103 => self.tick_n103_mannan_projectile(state),
104 => self.tick_n104_frog(state, players),
105 => self.tick_n105_hey_bubble_low(state),
106 => self.tick_n106_hey_bubble_high(state, npc_list),
107 => self.tick_n107_malco_broken(state, npc_list),
108 => self.tick_n108_balfrog_projectile(state),
109 => self.tick_n109_malco_powered_on(state, players, npc_list),
110 => self.tick_n110_puchi(state, players),
111 => self.tick_n111_quote_teleport_out(state, players),
112 => self.tick_n112_quote_teleport_in(state, players),
113 => self.tick_n113_professor_booster(state),
114 => self.tick_n114_press(state, players, npc_list),
116 => self.tick_n116_red_petals(state),
119 => self.tick_n119_table_chair(state),
120 => self.tick_n120_colon_a(state),
124 => self.tick_n124_sunstone(state),
125 => self.tick_n125_hidden_item(state, npc_list),
127 => self.tick_n127_machine_gun_trail_l2(state),
128 => self.tick_n128_machine_gun_trail_l3(state),
129 => self.tick_n129_fireball_snake_trail(state),
131 => self.tick_n131_puppy_sleeping(state),
137 => self.tick_n137_large_door_frame(state),
143 => self.tick_n143_jenka_collapsed(state),
149 => self.tick_n149_horizontal_moving_block(state, players, npc_list),
150 => self.tick_n150_quote(state, players, npc_list),
151 => self.tick_n151_blue_robot_standing(state),
152 => self.tick_n152_shutter_stuck(),
154 => self.tick_n154_gaudi_dead(state),
156 => self.tick_n156_gaudi_projectile(state),
157 => self.tick_n157_vertical_moving_block(state, players, npc_list),
158 => self.tick_n158_fish_missile(state, players),
166 => self.tick_n166_chaba(state),
192 => self.tick_n192_scooter(state),
193 => self.tick_n193_broken_scooter(state),
194 => self.tick_n194_broken_blue_robot(state),
195 => self.tick_n195_grate(state),
199 => self.tick_n199_wind_particles(state),
207 => self.tick_n207_counter_bomb_countdown(state),
208 => self.tick_n208_basu_destroyed_egg_corridor(state, players, npc_list),
209 => self.tick_n209_basu_projectile_destroyed_egg_corridor(state),
211 => self.tick_n211_small_spikes(state),
215 => self.tick_n215_sandcroc_outer_wall(state, players),
216 => self.tick_n216_debug_cat(state),
222 => self.tick_n222_prison_bars(state),
227 => self.tick_n227_bucket(state),
229 => self.tick_n229_red_flowers_sprouts(state),
230 => self.tick_n230_red_flowers_blooming(state),
234 => self.tick_n234_red_flowers_picked(state),
239 => self.tick_n239_cage_bars(state),
241 => self.tick_n241_critter_red(state, players),
249 => self.tick_n249_misery_boss_energy_shot(state),
258 => self.tick_n258_mimiga_sleeping(state),
292 => self.tick_n292_quake(state),
297 => self.tick_n297_sue_dragon_mouth(state, npc_list),
298 => self.tick_n298_intro_doctor(state),
299 => self.tick_n299_intro_balrog_misery(state),
300 => self.tick_n300_intro_demon_crown(state),
302 => self.tick_n302_camera_focus_marker(state, players, npc_list),
328 => self.tick_n328_human_transform_machine(state),
329 => self.tick_n329_laboratory_fan(state),
349 => self.tick_n349_statue(state),
351 => self.tick_n351_statue_shootable(state, npc_list),
352 => self.tick_n352_ending_characters(state, npc_list),
355 => self.tick_n355_quote_and_curly_on_balrog(state, npc_list),
358 => self.tick_n358_misery_credits(state),
359 => self.tick_n359_water_droplet_generator(state, players, npc_list),
_ => Ok(()),
}?;
if self.shock > 0 {
self.shock -= 1;
}
if abs(self.prev_x - self.x) > 0x1000 {
self.prev_x = self.x;
}
if abs(self.prev_y - self.y) > 0x1000 {
self.prev_y = self.y;
}
Ok(())
}
fn draw(&self, state: &mut SharedGameState, ctx: &mut Context, frame: &Frame) -> GameResult {
if !self.cond.alive() || self.cond.hidden() {
return Ok(());
}
let texture = state.npc_table.get_texture_name(self.spritesheet_id);
let batch = state.texture_set.get_or_load_batch(ctx, &state.constants, texture)?;
let off_x = if self.direction == Direction::Left { self.display_bounds.left } else { self.display_bounds.right } as i32;
let shock = if self.shock > 0 {
(2 * ((self.shock as i32 / 2) % 2) - 1) as f32
} else { 0.0 };
batch.add_rect(
interpolate_fix9_scale(self.prev_x - off_x - frame.prev_x,
self.x - off_x - frame.x,
state.frame_time) + shock,
interpolate_fix9_scale(self.prev_y - self.display_bounds.top as i32 - frame.prev_y,
self.y - self.display_bounds.top as i32 - frame.y,
state.frame_time),
&self.anim_rect,
);
batch.draw(ctx)?;
Ok(())
}
}
impl PhysicalEntity for NPC {
#[inline(always)]
fn x(&self) -> i32 { self.x }
#[inline(always)]
fn y(&self) -> i32 { self.y }
#[inline(always)]
fn vel_x(&self) -> i32 { self.vel_x }
#[inline(always)]
fn vel_y(&self) -> i32 { self.vel_y }
#[inline(always)]
fn hit_rect_size(&self) -> usize {
if self.size >= 3 {
if self.cond.drs_boss() { 4 } else { 3 }
} else {
2
}
}
#[inline(always)]
fn offset_x(&self) -> i32 { if self.size >= 3 && !self.cond.drs_boss() { -0x1000 } else { 0 } }
#[inline(always)]
fn offset_y(&self) -> i32 { if self.size >= 3 && !self.cond.drs_boss() { -0x1000 } else { 0 } }
#[inline(always)]
fn hit_bounds(&self) -> &Rect<usize> {
&self.hit_bounds
}
#[inline(always)]
fn set_x(&mut self, x: i32) {
self.x = x;
}
#[inline(always)]
fn set_y(&mut self, y: i32) {
self.y = y;
}
#[inline(always)]
fn set_vel_x(&mut self, vel_x: i32) {
self.vel_x = vel_x;
}
#[inline(always)]
fn set_vel_y(&mut self, vel_y: i32) {
self.vel_y = vel_y;
}
#[inline(always)]
fn cond(&mut self) -> &mut Condition {
&mut self.cond
}
#[inline(always)]
fn flags(&mut self) -> &mut Flag {
&mut self.flags
}
#[inline(always)]
fn direction(&self) -> Direction {
self.direction
}
#[inline(always)]
fn is_player(&self) -> bool {
false
}
#[inline(always)]
fn ignore_tile_44(&self) -> bool {
self.npc_flags.ignore_tile_44()
}
}
pub struct NPCTableEntry {
pub npc_flags: NPCFlag,
pub life: u16,
pub spritesheet_id: u8,
pub death_sound: u8,
pub hurt_sound: u8,
pub size: u8,
pub experience: u32,
pub damage: u32,
pub display_bounds: Rect<u8>,
pub hit_bounds: Rect<u8>,
}
pub struct NPCTable {
entries: Vec<NPCTableEntry>,
pub tileset_name: String,
pub tex_npc1_name: String,
pub tex_npc2_name: String,
}
impl NPCTable {
#[allow(clippy::new_without_default)]
pub fn new() -> NPCTable {
NPCTable {
entries: Vec::new(),
tileset_name: str!("Stage/Prt0"),
tex_npc1_name: str!("Npc/Npc0"),
tex_npc2_name: str!("Npc/Npc0"),
}
}
pub fn load_from<R: io::Read>(mut data: R) -> GameResult<NPCTable> {
let mut table = NPCTable::new();
let mut buf = Vec::new();
data.read_to_end(&mut buf)?;
let count = buf.len() / 0x18;
let mut f = Cursor::new(buf);
for _ in 0..count {
table.entries.push(NPCTableEntry {
npc_flags: NPCFlag(0),
life: 0,
spritesheet_id: 0,
death_sound: 0,
hurt_sound: 0,
size: 0,
experience: 0,
damage: 0,
display_bounds: Rect::new(0, 0, 0, 0),
hit_bounds: Rect::new(0, 0, 0, 0),
});
}
for npc in table.entries.iter_mut() {
npc.npc_flags.0 = f.read_u16::<LE>()?;
}
for npc in table.entries.iter_mut() {
npc.life = f.read_u16::<LE>()?;
}
for npc in table.entries.iter_mut() {
npc.spritesheet_id = f.read_u8()?;
}
for npc in table.entries.iter_mut() {
npc.death_sound = f.read_u8()?;
}
for npc in table.entries.iter_mut() {
npc.hurt_sound = f.read_u8()?;
}
for npc in table.entries.iter_mut() {
npc.size = f.read_u8()?;
}
for npc in table.entries.iter_mut() {
npc.experience = f.read_u32::<LE>()?;
}
for npc in table.entries.iter_mut() {
npc.damage = f.read_u32::<LE>()?;
}
for npc in table.entries.iter_mut() {
npc.hit_bounds.left = f.read_u8()?;
npc.hit_bounds.top = f.read_u8()?;
npc.hit_bounds.right = f.read_u8()?;
npc.hit_bounds.bottom = f.read_u8()?;
}
for npc in table.entries.iter_mut() {
npc.display_bounds.left = f.read_u8()?;
npc.display_bounds.top = f.read_u8()?;
npc.display_bounds.right = f.read_u8()?;
npc.display_bounds.bottom = f.read_u8()?;
}
Ok(table)
}
pub fn get_entry(&self, npc_type: u16) -> Option<&NPCTableEntry> {
self.entries.get(npc_type as usize)
}
pub fn get_display_bounds(&self, npc_type: u16) -> Rect<usize> {
if let Some(npc) = self.entries.get(npc_type as usize) {
Rect {
left: npc.display_bounds.left as usize * 0x200,
top: npc.display_bounds.top as usize * 0x200,
right: npc.display_bounds.right as usize * 0x200,
bottom: npc.display_bounds.bottom as usize * 0x200,
}
} else {
Rect { left: 0, top: 0, right: 0, bottom: 0 }
}
}
pub fn get_hit_bounds(&self, npc_type: u16) -> Rect<usize> {
if let Some(npc) = self.entries.get(npc_type as usize) {
Rect {
left: npc.hit_bounds.left as usize * 0x200,
top: npc.hit_bounds.top as usize * 0x200,
right: npc.hit_bounds.right as usize * 0x200,
bottom: npc.hit_bounds.bottom as usize * 0x200,
}
} else {
Rect { left: 0, top: 0, right: 0, bottom: 0 }
}
}
pub fn get_texture_name(&self, spritesheet_id: u16) -> &str {
match spritesheet_id {
0 => "Title",
2 => &self.tileset_name,
6 => "Fade",
8 => "ItemImage",
11 => "Arms",
12 => "ArmsImage",
14 => "StageImage",
15 => "Loading",
16 => "MyChar",
17 => "Bullet",
19 => "Caret",
20 => "Npc/NpcSym",
21 => &self.tex_npc1_name,
22 => &self.tex_npc2_name,
23 => "Npc/NpcRegu",
26 => "TextBox",
27 => "Face",
_ => "Npc/Npc0"
}
}
}