78 lines
1.8 KiB
Rust
78 lines
1.8 KiB
Rust
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use rltk::{ RGB, Rltk, RandomNumberGenerator };
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// use super::{Rect};
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use std::cmp::{min, max};
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#[derive(PartialEq, Copy, Clone)]
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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 fn xy_idx(x: i32, y: i32) -> usize {
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(y as usize * 80) + x as usize
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}
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pub fn new_map() -> Vec<TileType> {
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let mut map = vec![TileType::Floor; 80 * 50];
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// Make the boundary walls
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for x in 0..80 {
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map[xy_idx(x, 0)] = TileType::Wall;
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map[xy_idx(x, 49)] = TileType::Wall;
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}
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for y in 0..50 {
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map[xy_idx(0, y)] = TileType::Wall;
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map[xy_idx(79, y)] = TileType::Wall;
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}
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// Now randomly add a bunch of walls.
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// First get the random number generator
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let mut rng = rltk::RandomNumberGenerator::new();
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for _i in 0..400 {
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let x = rng.roll_dice(1, 79);
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let y = rng.roll_dice(1, 49);
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let idx = xy_idx(x, y);
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if idx != xy_idx(40, 25) {
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map[idx] = TileType::Wall;
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}
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}
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map
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}
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pub fn draw_map(map: &[TileType], ctx: &mut Rltk) {
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let mut y = 0;
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let mut x = 0;
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for tile in map.iter() {
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match tile {
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TileType::Floor => {
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ctx.set(
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x,
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y,
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RGB::from_f32(0.5, 0.5, 0.5),
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RGB::from_f32(0., 0., 0.),
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rltk::to_cp437('.'),
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);
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}
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TileType::Wall => {
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ctx.set(
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x,
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y,
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RGB::from_f32(0.0, 1.0, 0.0),
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RGB::from_f32(0., 0., 0.),
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rltk::to_cp437('#'),
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);
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}
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}
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// Move to the next set of coordinates
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x += 1;
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if x > 79 {
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x = 0;
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y += 1;
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}
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}
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}
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