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|
use ggez::event::KeyCode;
use ggez::graphics::{spritebatch::SpriteBatch, DrawParam};
use ggez::nalgebra::{Point2, Vector2};
use crate::animation::Animation;
use crate::constants;
use crate::entity::{Action, Entity, Operable};
use crate::tileset::Tileset;
pub struct Player {
entity: Entity,
animation: Animation,
}
impl Operable for Player {
fn draw(&self, spritebatch: &mut SpriteBatch) {
spritebatch.add(
DrawParam::default()
.src(self.animation.source)
.dest(self.entity.position)
.scale(Vector2::new(constants::TILE_SCALE, constants::TILE_SCALE)),
);
}
fn update(&mut self) {
self.move_position();
self.animation.update(&self.entity.action);
}
}
impl Player {
pub fn new(tileset: &Tileset, dimensions: (f32, f32)) -> Player {
Player {
entity: Entity::new(Point2::new(0.0, 0.0), dimensions),
animation: Animation::new(tileset),
}
}
pub fn get_position(&self) -> Point2<f32> {
self.entity.position
}
fn move_position(&mut self) {
match self.entity.action {
Action::MovingUp => self.entity.position.y -= constants::PLAYER_SPEED,
Action::MovingUpLeft => {
self.entity.position.x -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
self.entity.position.y -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
}
Action::MovingUpRight => {
self.entity.position.x += constants::PLAYER_SPEED / 2.0_f32.sqrt();
self.entity.position.y -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
}
Action::MovingLeft => self.entity.position.x -= constants::PLAYER_SPEED,
Action::MovingDown => self.entity.position.y += constants::PLAYER_SPEED,
Action::MovingDownLeft => {
self.entity.position.x -= constants::PLAYER_SPEED / 2.0_f32.sqrt();
self.entity.position.y += constants::PLAYER_SPEED / 2.0_f32.sqrt();
}
Action::MovingDownRight => {
self.entity.position.x += constants::PLAYER_SPEED / 2.0_f32.sqrt();
self.entity.position.y += constants::PLAYER_SPEED / 2.0_f32.sqrt();
}
Action::MovingRight => self.entity.position.x += constants::PLAYER_SPEED,
Action::IdleLeft | Action::IdleRight => (),
}
let pixel_width = constants::TILE_WIDTH * constants::TILE_SCALE;
let pixel_height = constants::TILE_HEIGHT * constants::TILE_SCALE;
if self.entity.position.x < 0.0 {
self.entity.position.x = 0.0;
} else if self.entity.position.x + pixel_height > self.entity.map_dimensions.0 {
self.entity.position.x = self.entity.map_dimensions.0 - pixel_width;
}
if self.entity.position.y < 0.0 {
self.entity.position.y = 0.0;
} else if self.entity.position.y + pixel_height > self.entity.map_dimensions.1 {
self.entity.position.y = self.entity.map_dimensions.1 - pixel_height;
}
}
pub fn give_key_down(&mut self, keycode: KeyCode) {
let original_state = self.entity.action.clone();
self.entity.action = match keycode {
KeyCode::W => match original_state {
Action::MovingLeft => Action::MovingUpLeft,
Action::MovingRight => Action::MovingUpRight,
_ => Action::MovingUp,
},
KeyCode::A => match original_state {
Action::MovingUp => Action::MovingUpLeft,
Action::MovingDown => Action::MovingDownLeft,
_ => Action::MovingLeft,
},
KeyCode::S => match original_state {
Action::MovingLeft => Action::MovingDownLeft,
Action::MovingRight => Action::MovingDownRight,
_ => Action::MovingDown,
},
KeyCode::D => match original_state {
Action::MovingUp => Action::MovingUpRight,
Action::MovingDown => Action::MovingDownRight,
_ => Action::MovingRight,
},
_ => original_state,
}
}
pub fn give_key_up(&mut self, keycode: KeyCode) {
let original_state = self.entity.action.clone();
self.entity.action = match keycode {
KeyCode::W => match original_state {
Action::MovingUpLeft => Action::MovingLeft,
Action::MovingUpRight => Action::MovingRight,
_ => Action::IdleLeft,
},
KeyCode::A => match original_state {
Action::MovingUpLeft => Action::MovingUp,
Action::MovingDownLeft => Action::MovingDown,
_ => Action::IdleLeft,
},
KeyCode::S => match original_state {
Action::MovingDownLeft => Action::MovingLeft,
Action::MovingDownRight => Action::MovingRight,
_ => Action::IdleRight,
},
KeyCode::D => match original_state {
Action::MovingUpRight => Action::MovingUp,
Action::MovingDownRight => Action::MovingDown,
_ => Action::IdleRight,
},
_ => original_state,
}
}
}
|
