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