52 lines
1.3 KiB
Rust
52 lines
1.3 KiB
Rust
use crate::prelude::*;
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const NUM_TILES: usize = { SCREEN_WIDTH * SCREEN_HEIGHT } as usize;
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#[derive(Copy, Clone, PartialEq)]
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pub enum TileType {
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Wall,
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Floor,
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}
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pub struct Map {
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pub tiles: Vec<TileType>,
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}
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pub fn map_idx(x: i32, y: i32) -> usize {
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((y * SCREEN_WIDTH) + x) as usize
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}
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impl Map {
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pub fn new() -> Self {
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Self {
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tiles: vec![TileType::Floor; NUM_TILES],
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}
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}
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pub fn render(&self, ctx: &mut BTerm) {
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for y in 0..SCREEN_HEIGHT {
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for x in 0..SCREEN_WIDTH {
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let idx = map_idx(x, y);
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match self.tiles[idx] {
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TileType::Floor => {
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ctx.set(x, y, YELLOW, BLACK, to_cp437('.'));
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}
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TileType::Wall => ctx.set(x, y, YELLOW, GREEN, to_cp437('#')),
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}
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}
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}
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}
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pub fn in_bounds(&self, point: Point) -> bool {
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point.x >= 0 && point.x < SCREEN_WIDTH && point.y >= 0 && point.y < SCREEN_HEIGHT
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}
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pub fn can_enter_tile(&self, point: Point) -> bool {
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self.in_bounds(point) && self.tiles[map_idx(point.x, point.y)] == TileType::Floor
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}
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pub fn try_idx(&self, point: Point) -> Option<usize> {
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if !self.in_bounds(point) {
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None
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} else {
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Some(map_idx(point.x, point.y))
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}
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}
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}
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