472 lines
20 KiB
Rust
472 lines
20 KiB
Rust
use num_traits::clamp;
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use crate::caret::CaretType;
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use crate::common::{Condition, Direction, Flag, Rect};
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use crate::shared_game_state::SharedGameState;
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use crate::stage::Stage;
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use crate::npc::list::NPCList;
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// -1 0 1 2
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// +------------
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// -1 | 10 14 15 16
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// 0 | 11 1 2 5
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// 1 | 12 3 4 6
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// 2 | 13 8 9 7
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pub const OFF_X: [i32; 16] = [0, 1, 0, 1, 2, 2, 2, 0, 1, -1, -1, -1, -1, 0, 1, 2];
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pub const OFF_Y: [i32; 16] = [0, 0, 1, 1, 0, 1, 2, 2, 2, -1, 0, 1, 2, -1, -1, -1];
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pub trait PhysicalEntity {
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fn x(&self) -> i32;
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fn y(&self) -> i32;
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fn vel_x(&self) -> i32;
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fn vel_y(&self) -> i32;
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fn hit_rect_size(&self) -> usize;
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fn offset_x(&self) -> i32 { 0 }
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fn offset_y(&self) -> i32 { 0 }
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fn hit_bounds(&self) -> &Rect<u32>;
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fn set_x(&mut self, x: i32);
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fn set_y(&mut self, y: i32);
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fn set_vel_x(&mut self, x: i32);
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fn set_vel_y(&mut self, y: i32);
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fn cond(&mut self) -> &mut Condition;
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fn flags(&mut self) -> &mut Flag;
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fn direction(&self) -> Direction;
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fn is_player(&self) -> bool;
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fn ignore_tile_44(&self) -> bool { true }
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fn player_left_pressed(&self) -> bool { false }
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fn player_right_pressed(&self) -> bool { false }
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fn judge_hit_block(&mut self, state: &mut SharedGameState, x: i32, y: i32) {
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let bounds_x = if self.is_player() { 5 } else { 5 };
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let bounds_y = if self.is_player() { 4 } else { 5 };
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// left wall
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if (self.y() - self.hit_bounds().top as i32) < (y * 16 + bounds_y) * 0x200
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 - bounds_y) * 0x200
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&& (self.x() - self.hit_bounds().right as i32) < (x * 16 + 8) * 0x200
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&& (self.x() - self.hit_bounds().right as i32) > x * 16 * 0x200 {
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self.set_x(((x * 16 + 8) * 0x200) + self.hit_bounds().right as i32);
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if self.is_player() {
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if self.vel_x() < -0x180 {
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self.set_vel_x(-0x180);
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}
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if !self.player_left_pressed() && self.vel_x() < 0 {
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self.set_vel_x(0);
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}
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}
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self.flags().set_hit_left_wall(true);
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}
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// right wall
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if (self.y() - self.hit_bounds().top as i32) < (y * 16 + bounds_y) * 0x200
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&& self.y() + self.hit_bounds().bottom as i32 > (y * 16 - bounds_y) * 0x200
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&& (self.x() + self.hit_bounds().right as i32) > (x * 16 - 8) * 0x200
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&& (self.x() + self.hit_bounds().right as i32) < x * 16 * 0x200 {
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self.set_x(((x * 16 - 8) * 0x200) - self.hit_bounds().right as i32);
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if self.is_player() {
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if self.vel_x() > 0x180 {
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self.set_vel_x(0x180);
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}
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if !self.player_right_pressed() && self.vel_x() > 0 {
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self.set_vel_x(0);
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}
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}
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self.flags().set_hit_right_wall(true);
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}
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// ceiling
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if (self.x() - self.hit_bounds().right as i32) < (x * 16 + bounds_x) * 0x200
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&& (self.x() + self.hit_bounds().right as i32) > (x * 16 - bounds_x) * 0x200
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 + 8) * 0x200
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&& (self.y() - self.hit_bounds().top as i32) > y * 16 * 0x200 {
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self.set_y(((y * 16 + 8) * 0x200) + self.hit_bounds().top as i32);
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if self.is_player() {
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if !self.cond().hidden() && self.vel_y() < -0x200 {
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state.sound_manager.play_sfx(3);
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state.create_caret(self.x(), self.y() - self.hit_bounds().top as i32, CaretType::LittleParticles, Direction::Left);
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state.create_caret(self.x(), self.y() - self.hit_bounds().top as i32, CaretType::LittleParticles, Direction::Left);
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}
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if self.vel_y() < 0 {
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self.set_vel_y(0);
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}
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} else {
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self.set_vel_y(0);
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}
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self.flags().set_hit_top_wall(true);
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}
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// floor
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if ((self.x() - self.hit_bounds().right as i32) < (x * 16 + bounds_x) * 0x200)
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&& ((self.x() + self.hit_bounds().right as i32) > (x * 16 - bounds_x) * 0x200)
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&& ((self.y() + self.hit_bounds().bottom as i32) > ((y * 16 - 8) * 0x200))
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&& ((self.y() + self.hit_bounds().bottom as i32) < (y * 16 * 0x200)) {
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self.set_y(((y * 16 - 8) * 0x200) - self.hit_bounds().bottom as i32);
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if self.is_player() {
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if self.vel_y() > 0x400 {
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state.sound_manager.play_sfx(23);
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}
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if self.vel_y() > 0 {
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self.set_vel_y(0);
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}
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} else {
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self.set_vel_y(0);
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}
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self.flags().set_hit_bottom_wall(true);
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}
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}
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// upper left slope (bigger half)
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fn judge_hit_triangle_a(&mut self, state: &mut SharedGameState, x: i32, y: i32) {
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if self.x() < (x * 16 + 8) * 0x200
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&& self.x() > (x * 16 - 8) * 0x200
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 * 0x200) - (self.x() - x * 16 * 0x200) / 2 + 0x800
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 - 8) * 0x200 {
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self.set_y((y * 16 * 0x200) - ((self.x() - x * 16 * 0x200) / 2) + 0x800 + self.hit_bounds().top as i32);
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if self.is_player() && !self.cond().hidden() && self.vel_y() < -0x200 {
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state.sound_manager.play_sfx(3);
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state.create_caret(self.x(), self.y() - self.hit_bounds().top as i32, CaretType::LittleParticles, Direction::Left);
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state.create_caret(self.x(), self.y() - self.hit_bounds().top as i32, CaretType::LittleParticles, Direction::Left);
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}
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if self.vel_y() < 0 {
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self.set_vel_y(0);
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}
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self.flags().set_hit_top_wall(true);
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}
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}
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// upper left slope (smaller half)
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fn judge_hit_triangle_b(&mut self, state: &mut SharedGameState, x: i32, y: i32) {
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if self.x() < (x * 16 + 8) * 0x200
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&& self.x() > (x * 16 - 8) * 0x200
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 * 0x200) - (self.x() - x * 16 * 0x200) / 2 - 0x800
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 - 8) * 0x200 {
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self.set_y((y * 16 * 0x200) - ((self.x() - x * 16 * 0x200) / 2) - 0x800 + self.hit_bounds().top as i32);
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if self.is_player() && !self.cond().hidden() && self.vel_y() < -0x200 {
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state.sound_manager.play_sfx(3);
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state.create_caret(self.x(), self.y() - self.hit_bounds().top as i32, CaretType::LittleParticles, Direction::Left);
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state.create_caret(self.x(), self.y() - self.hit_bounds().top as i32, CaretType::LittleParticles, Direction::Left);
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}
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if self.vel_y() < 0 {
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self.set_vel_y(0);
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}
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self.flags().set_hit_top_wall(true);
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}
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}
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// upper right slope (smaller half)
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fn judge_hit_triangle_c(&mut self, state: &mut SharedGameState, x: i32, y: i32) {
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if self.x() < (x * 16 + 8) * 0x200
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&& self.x() > (x * 16 - 8) * 0x200
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 * 0x200) + (self.x() - x * 16 * 0x200) / 2 - 0x800
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 - 8) * 0x200 {
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self.set_y((y * 16 * 0x200) + ((self.x() - x * 16 * 0x200) / 2) - 0x800 + self.hit_bounds().top as i32);
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if self.is_player() && !self.cond().hidden() && self.vel_y() < -0x200 {
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state.sound_manager.play_sfx(3);
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state.create_caret(self.x(), self.y() - self.hit_bounds().top as i32, CaretType::LittleParticles, Direction::Left);
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state.create_caret(self.x(), self.y() - self.hit_bounds().top as i32, CaretType::LittleParticles, Direction::Left);
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}
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if self.vel_y() < 0 {
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self.set_vel_y(0);
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}
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self.flags().set_hit_top_wall(true);
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}
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}
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// upper right slope (bigger half)
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fn judge_hit_triangle_d(&mut self, state: &mut SharedGameState, x: i32, y: i32) {
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if (self.x() < (x * 16 + 8) * 0x200)
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&& (self.x() > (x * 16 - 8) * 0x200)
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 * 0x200) + (self.x() - x * 16 * 0x200) / 2 + 0x800
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 - 8) * 0x200 {
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self.set_y((y * 16 * 0x200) + ((self.x() - x * 16 * 0x200) / 2) + 0x800 + self.hit_bounds().top as i32);
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if self.is_player() && !self.cond().hidden() && self.vel_y() < -0x200 {
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state.sound_manager.play_sfx(3);
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state.create_caret(self.x(), self.y() - self.hit_bounds().top as i32, CaretType::LittleParticles, Direction::Left);
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state.create_caret(self.x(), self.y() - self.hit_bounds().top as i32, CaretType::LittleParticles, Direction::Left);
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}
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if self.vel_y() < 0 {
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self.set_vel_y(0);
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}
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self.flags().set_hit_top_wall(true);
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}
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}
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// lower left half (bigger)
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fn judge_hit_triangle_e(&mut self, state: &mut SharedGameState, x: i32, y: i32) {
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self.flags().set_hit_left_bigger_half(true);
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if (self.x() < (x * 16 + 8) * 0x200)
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&& (self.x() > (x * 16 - 8) * 0x200)
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 * 0x200) + (self.x() - x * 16 * 0x200) / 2 - 0x800
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 + 8) * 0x200 {
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self.set_y((y * 16 * 0x200) + ((self.x() - x * 16 * 0x200) / 2) - 0x800 - self.hit_bounds().bottom as i32);
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if self.is_player() && self.vel_y() > 0x400 {
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state.sound_manager.play_sfx(23);
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}
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if self.vel_y() > 0 {
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self.set_vel_y(0);
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}
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self.flags().set_hit_left_slope(true);
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self.flags().set_hit_bottom_wall(true);
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}
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}
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// lower left half (smaller)
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fn judge_hit_triangle_f(&mut self, state: &mut SharedGameState, x: i32, y: i32) {
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self.flags().set_hit_left_smaller_half(true);
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if (self.x() < (x * 16 + 8) * 0x200)
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&& (self.x() > (x * 16 - 8) * 0x200)
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 * 0x200) + (self.x() - x * 16 * 0x200) / 2 + 0x800
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 + 8) * 0x200 {
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self.set_y((y * 16 * 0x200) + ((self.x() - x * 16 * 0x200) / 2) + 0x800 - self.hit_bounds().bottom as i32);
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if self.is_player() && self.vel_y() > 0x400 {
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state.sound_manager.play_sfx(23);
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}
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if self.vel_y() > 0 {
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self.set_vel_y(0);
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}
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self.flags().set_hit_left_slope(true);
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self.flags().set_hit_bottom_wall(true);
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}
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}
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// lower right half (smaller)
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fn judge_hit_triangle_g(&mut self, state: &mut SharedGameState, x: i32, y: i32) {
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self.flags().set_hit_right_smaller_half(true);
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if (self.x() < (x * 16 + 8) * 0x200)
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&& (self.x() > (x * 16 - 8) * 0x200)
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 * 0x200) - (self.x() - x * 16 * 0x200) / 2 + 0x800
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 + 8) * 0x200 {
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self.set_y((y * 16 * 0x200) - ((self.x() - x * 16 * 0x200) / 2) + 0x800 - self.hit_bounds().bottom as i32);
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if self.is_player() && self.vel_y() > 0x400 {
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state.sound_manager.play_sfx(23);
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}
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if self.vel_y() > 0 {
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self.set_vel_y(0);
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}
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self.flags().set_hit_right_slope(true);
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self.flags().set_hit_bottom_wall(true);
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}
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}
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// lower right half (bigger)
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fn judge_hit_triangle_h(&mut self, state: &mut SharedGameState, x: i32, y: i32) {
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self.flags().set_hit_right_bigger_half(true);
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if (self.x() < (x * 16 + 8) * 0x200)
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&& (self.x() > (x * 16 - 8) * 0x200)
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 * 0x200) - (self.x() - x * 16 * 0x200) / 2 - 0x800
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 + 8) * 0x200 {
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self.set_y((y * 16 * 0x200) - ((self.x() - x * 16 * 0x200) / 2) - 0x800 - self.hit_bounds().bottom as i32);
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if self.is_player() && self.vel_y() > 0x400 {
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state.sound_manager.play_sfx(23);
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}
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if self.vel_y() > 0 {
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self.set_vel_y(0);
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}
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self.flags().set_hit_right_slope(true);
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self.flags().set_hit_bottom_wall(true);
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}
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}
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fn judge_hit_water(&mut self, x: i32, y: i32) {
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let bounds_x = if self.is_player() { 5 } else { 6 };
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let bounds_up = if self.is_player() { 5 } else { 6 };
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let bounds_down = if self.is_player() { 0 } else { 6 };
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if (self.x() - self.hit_bounds().right as i32) < (x * 16 + bounds_x) * 0x200
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&& (self.x() + self.hit_bounds().right as i32) > (x * 16 - bounds_x) * 0x200
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 + bounds_up) * 0x200
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 - bounds_down) * 0x200 {
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self.flags().set_in_water(true);
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}
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}
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fn judge_hit_spike(&mut self, x: i32, y: i32, water: bool) {
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if (self.x() - 0x800) < (x * 16 + 4) * 0x200
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&& (self.x() + 0x800) > (x * 16 - 4) * 0x200
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&& (self.y() - 0x800) < (y * 16 + 3) * 0x200
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&& (self.y() + 0x800) > (y * 16 - 3) * 0x200 {
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self.flags().set_hit_by_spike(true);
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if water {
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self.flags().set_in_water(true);
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}
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}
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}
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fn judge_hit_force(&mut self, x: i32, y: i32, direction: Direction, water: bool) {
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if (self.x() - self.hit_bounds().left as i32) < (x * 16 + 6) * 0x200
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&& (self.x() + self.hit_bounds().right as i32) > (x * 16 - 6) * 0x200
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&& (self.y() - self.hit_bounds().top as i32) < (y * 16 + 6) * 0x200
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&& (self.y() + self.hit_bounds().bottom as i32) > (y * 16 - 6) * 0x200 {
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match direction {
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Direction::Left => self.flags().set_force_left(true),
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Direction::Up => self.flags().set_force_up(true),
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Direction::Right => self.flags().set_force_right(true),
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Direction::Bottom => self.flags().set_force_down(true),
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Direction::FacingPlayer => unreachable!(),
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}
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if water {
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self.flags().set_in_water(true);
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}
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}
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}
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fn tick_map_collisions(&mut self, state: &mut SharedGameState, _npc_list: &NPCList, stage: &mut Stage) {
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let hit_rect_size = clamp(self.hit_rect_size(), 1, 4);
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let hit_rect_size = hit_rect_size * hit_rect_size;
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let x = (self.x() + self.offset_x()) / (0x2000);
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let y = (self.y() + self.offset_y()) / (0x2000);
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self.flags().0 = 0;
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for (idx, (&ox, &oy)) in OFF_X.iter().zip(OFF_Y.iter()).enumerate() {
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if idx == hit_rect_size {
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break;
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}
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let attrib = stage.map.get_attribute((x + ox) as usize, (y + oy) as usize);
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match attrib {
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// Spikes
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0x62 | 0x42 if self.is_player() => {
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self.judge_hit_spike(x + ox, y + oy, attrib & 0x20 != 0);
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}
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// Blocks
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0x02 | 0x60 => {
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self.judge_hit_water(x + ox, y + oy);
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}
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0x62 if !self.is_player() => {
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self.judge_hit_water(x + ox, y + oy);
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}
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0x61 => {
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self.judge_hit_block(state, x + ox, y + oy);
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self.judge_hit_water(x + ox, y + oy);
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}
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0x04 | 0x64 if !self.is_player() => {
|
|
self.judge_hit_block(state, x + ox, y + oy);
|
|
self.judge_hit_water(x + ox, y + oy);
|
|
}
|
|
0x05 | 0x41 | 0x43 | 0x46 if self.is_player() => {
|
|
self.judge_hit_block(state, x + ox, y + oy);
|
|
}
|
|
0x03 | 0x05 | 0x41 | 0x43 if !self.is_player() => {
|
|
self.judge_hit_block(state, x + ox, y + oy);
|
|
}
|
|
0x44 => {
|
|
if !self.ignore_tile_44() {
|
|
self.judge_hit_block(state, x + ox, y + oy);
|
|
}
|
|
}
|
|
|
|
// Slopes
|
|
0x50 | 0x70 => {
|
|
self.judge_hit_triangle_a(state, x + ox, y + oy);
|
|
if attrib & 0x20 != 0 { self.judge_hit_water(x + ox, y + oy); }
|
|
}
|
|
0x51 | 0x71 => {
|
|
self.judge_hit_triangle_b(state, x + ox, y + oy);
|
|
if attrib & 0x20 != 0 { self.judge_hit_water(x + ox, y + oy); }
|
|
}
|
|
0x52 | 0x72 => {
|
|
self.judge_hit_triangle_c(state, x + ox, y + oy);
|
|
if attrib & 0x20 != 0 { self.judge_hit_water(x + ox, y + oy); }
|
|
}
|
|
0x53 | 0x73 => {
|
|
self.judge_hit_triangle_d(state, x + ox, y + oy);
|
|
if attrib & 0x20 != 0 { self.judge_hit_water(x + ox, y + oy); }
|
|
}
|
|
0x54 | 0x74 => {
|
|
self.judge_hit_triangle_e(state, x + ox, y + oy);
|
|
if attrib & 0x20 != 0 { self.judge_hit_water(x + ox, y + oy); }
|
|
}
|
|
0x55 | 0x75 => {
|
|
self.judge_hit_triangle_f(state, x + ox, y + oy);
|
|
if attrib & 0x20 != 0 { self.judge_hit_water(x + ox, y + oy); }
|
|
}
|
|
0x56 | 0x76 => {
|
|
self.judge_hit_triangle_g(state, x + ox, y + oy);
|
|
if attrib & 0x20 != 0 { self.judge_hit_water(x + ox, y + oy); }
|
|
}
|
|
0x57 | 0x77 => {
|
|
self.judge_hit_triangle_h(state, x + ox, y + oy);
|
|
if attrib & 0x20 != 0 { self.judge_hit_water(x + ox, y + oy); }
|
|
}
|
|
|
|
// Forces
|
|
0x80 | 0xa0 if self.is_player() => {
|
|
self.judge_hit_force(x + ox, y + oy, Direction::Left, attrib & 0x20 != 0);
|
|
}
|
|
0x81 | 0xa1 if self.is_player() => {
|
|
self.judge_hit_force(x + ox, y + oy, Direction::Up, attrib & 0x20 != 0);
|
|
}
|
|
0x82 | 0xa2 if self.is_player() => {
|
|
self.judge_hit_force(x + ox, y + oy, Direction::Right, attrib & 0x20 != 0);
|
|
}
|
|
0x83 | 0xa3 if self.is_player() => {
|
|
self.judge_hit_force(x + ox, y + oy, Direction::Bottom, attrib & 0x20 != 0);
|
|
}
|
|
0x80 | 0xa0 if !self.is_player() => {
|
|
self.flags().set_force_left(true);
|
|
if attrib & 0x20 != 0 { self.flags().set_in_water(true); }
|
|
}
|
|
0x81 | 0xa1 if !self.is_player() => {
|
|
self.flags().set_force_up(true);
|
|
if attrib & 0x20 != 0 { self.flags().set_in_water(true); }
|
|
}
|
|
0x82 | 0xa2 if !self.is_player() => {
|
|
self.flags().set_force_right(true);
|
|
if attrib & 0x20 != 0 { self.flags().set_in_water(true); }
|
|
}
|
|
0x83 | 0xa3 if !self.is_player() => {
|
|
self.flags().set_force_down(true);
|
|
if attrib & 0x20 != 0 { self.flags().set_in_water(true); }
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
}
|
|
}
|