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|
use crate::constants;
use ggez::graphics::{
self, spritebatch::SpriteBatch, Color, DrawMode, DrawParam, Mesh, Rect, StrokeOptions,
};
use ggez::mint::{Point2, Vector2};
use ggez::{Context, GameResult};
use rand::{
distributions::{Distribution, Standard},
Rng,
};
use std::time::Instant;
#[derive(Clone, Copy, PartialEq)]
pub enum Occupant {
None,
Green,
Yellow,
Diamond,
Red,
Explosion { frame: usize, timer: Instant },
}
impl Distribution<Occupant> for Standard {
fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> Occupant {
match rng.gen_range(0..=3) {
0 => Occupant::Green,
1 => Occupant::Yellow,
2 => Occupant::Diamond,
3 => Occupant::Red,
_ => Occupant::None,
}
}
}
#[derive(Clone, Copy)]
pub struct Cell {
pub occupant: Occupant,
position: Point2<f32>,
hover: bool,
clicked: bool,
}
impl Cell {
pub fn new(position: Point2<f32>) -> Cell {
Cell {
occupant: rand::random(),
position,
hover: false,
clicked: false,
}
}
pub fn contains(&self, position: Point2<f32>) -> bool {
position.x > self.position.x
&& position.y > self.position.y
&& position.x < self.position.x + constants::TILE_WIDTH * constants::TILE_SCALE
&& position.y < self.position.y + constants::TILE_WIDTH * constants::TILE_SCALE
}
pub fn moveable(&self) -> bool {
//!matches!(self.occupant, Occupant::Explosion{ ..} | Occupant::None)
match self.occupant {
Occupant::Explosion { .. } => false,
Occupant::None => false,
_ => true,
}
}
pub fn clicked_on(&mut self) {
self.clicked = true;
}
pub fn clicked_off(&mut self) {
self.clicked = false;
}
pub fn hover_on(&mut self) {
self.hover = true;
}
pub fn hover_off(&mut self) {
self.hover = false;
}
pub fn draw(&self, context: &mut Context, spritebatch: &mut SpriteBatch) -> GameResult {
let source = match self.occupant {
Occupant::None => None,
Occupant::Explosion { frame, .. } => match frame {
0 => Some(Rect::new(0.0, 0.5, 0.25, 0.5)),
1 => Some(Rect::new(0.25, 0.5, 0.25, 0.5)),
2 => Some(Rect::new(0.50, 0.5, 0.25, 0.5)),
3 => Some(Rect::new(0.75, 0.5, 0.25, 0.5)),
_ => None,
},
Occupant::Green => Some(Rect::new(0.0, 0.0, 0.25, 0.5)),
Occupant::Yellow => Some(Rect::new(0.25, 0.0, 0.25, 0.5)),
Occupant::Diamond => Some(Rect::new(0.50, 0.0, 0.25, 0.5)),
Occupant::Red => Some(Rect::new(0.75, 0.0, 0.25, 0.5)),
};
if let Some(source) = source {
spritebatch.add(
DrawParam::default()
.src(source)
.dest(self.position)
.scale(Vector2 {
x: constants::TILE_SCALE,
y: constants::TILE_SCALE,
}),
);
}
if self.hover {
let mesh = Mesh::new_rectangle(
context,
DrawMode::Stroke(StrokeOptions::default()),
Rect::new(
self.position.x,
self.position.y,
constants::TILE_WIDTH * constants::TILE_SCALE,
constants::TILE_HEIGHT * constants::TILE_SCALE,
),
Color::from_rgb(255, 100, 100),
)?;
graphics::draw(context, &mesh, DrawParam::default())?;
}
if self.clicked {
let mesh = Mesh::new_rectangle(
context,
DrawMode::Stroke(StrokeOptions::default()),
Rect::new(
self.position.x,
self.position.y,
constants::TILE_WIDTH * constants::TILE_SCALE,
constants::TILE_HEIGHT * constants::TILE_SCALE,
),
Color::from_rgb(100, 255, 100),
)?;
graphics::draw(context, &mesh, DrawParam::default())?;
}
Ok(())
}
}
|
