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62 lines
2.0 KiB
62 lines
2.0 KiB
use crate::config::GRID_WIDTH;
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use crate::structs::BlockType;
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use sfml::system::Vector2i;
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pub struct Block<'a> {
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pub block_type: &'a BlockType,
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pub position: Vector2i,
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pub rotation_state: i32,
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}
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impl<'a> Block<'a> {
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pub fn new(block_type: &'a BlockType) -> Self {
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Self {
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block_type,
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position: Vector2i::new(
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GRID_WIDTH as i32 / 2 - block_type.grid[0].len() as i32 / 2,
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0,
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),
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rotation_state: 0,
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}
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}
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pub fn get_tiles(&mut self) -> Vec<Vector2i> {
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let mut tiles: Vec<Vector2i> = Vec::new();
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for (y, row) in self.block_type.grid.iter().enumerate() {
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let y = y as i32;
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for (x, cell) in row.iter().enumerate() {
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let x = x as i32;
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if !cell {
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continue;
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}
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let mut rotated = Vector2i::new(x, y);
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if self.block_type.rotate {
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let center_x = row.len() as i32 / 2;
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let center_y = self.block_type.grid.len() as i32 / 2;
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let offset_x = x - center_x;
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let offset_y = y - center_y;
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match self.rotation_state {
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0 => {}
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1 => {
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rotated.x = center_x + offset_y;
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rotated.y = center_y - offset_x;
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}
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2 => {
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rotated.x = center_x - offset_x;
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rotated.y = center_y - offset_y;
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}
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3 => {
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rotated.x = center_x - offset_y;
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rotated.y = center_y + offset_x;
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}
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_ => self.rotation_state %= 4,
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}
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}
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let global = self.position + rotated;
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tiles.push(global);
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}
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}
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tiles
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}
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}
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