remember player visibility, scaffolding
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parent
d138ef8b30
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ab050d5c89
71
src/map.rs
71
src/map.rs
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@ -10,12 +10,13 @@ use crate::component::Viewshed;
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use crate::entity::{Player, TileType};
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use crate::rect::Rect;
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#[derive(Clone)]
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#[derive(Clone, Default)]
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pub struct Map {
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pub tiles: Vec<TileType>,
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pub rooms: Vec<Rect>,
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pub width: i32,
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pub height: i32,
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pub revealed_tiles: Vec<bool>,
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}
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impl Algorithm2D for Map {
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@ -86,6 +87,7 @@ impl Map {
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rooms: vec![],
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width: 80,
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height: 50,
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revealed_tiles: vec![false; 80 * 50],
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};
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const MAX_ROOMS: i32 = 30;
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@ -163,45 +165,38 @@ pub fn new_test() -> Vec<TileType> {
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*/
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pub fn draw(ecs: &World, ctx: &mut Rltk) {
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let mut viewsheds = ecs.write_storage::<Viewshed>();
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let mut players = ecs.write_storage::<Player>();
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let map = ecs.fetch::<Map>();
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let mut y = 0;
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let mut x = 0;
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(&mut players, &mut viewsheds).join().into_iter().for_each(
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|(_player, viewshed)| {
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let mut y = 0;
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let mut x = 0;
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map.tiles.iter().for_each(|tile| {
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let pt = Point::new(x, y);
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if viewshed.visible_tiles.contains(&pt) {
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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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map.tiles.iter().enumerate().for_each(|(idx, tile)| {
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if map.revealed_tiles[idx] {
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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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}
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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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);
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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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@ -1,4 +1,4 @@
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use super::{Map, Position, Viewshed};
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use super::{Map, Player, Position, Viewshed};
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use rltk::{field_of_view, Point};
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use specs::prelude::*;
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@ -6,22 +6,32 @@ pub struct VisibilitySystem {}
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impl<'a> System<'a> for VisibilitySystem {
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type SystemData = (
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ReadExpect<'a, Map>,
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WriteExpect<'a, Map>,
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Entities<'a>,
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WriteStorage<'a, Viewshed>,
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WriteStorage<'a, Position>,
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ReadStorage<'a, Player>,
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);
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fn run(&mut self, data: Self::SystemData) {
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let (map, mut viewshed, pos) = data;
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(&mut viewshed, &pos).join().into_iter().for_each(
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|(viewshed, pos)| {
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let (mut map, entities, mut viewshed, pos, player) = data;
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(&entities, &mut viewshed, &pos)
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.join()
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.into_iter()
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.for_each(|(ent, viewshed, pos)| {
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viewshed.visible_tiles.clear();
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viewshed.visible_tiles = field_of_view(
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Point::new(pos.x, pos.y),
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viewshed.range,
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&*map,
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);
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},
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);
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let p: Option<&Player> = player.get(ent);
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if let Some(p) = p {
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viewshed.visible_tiles.iter().for_each(|vis| {
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let idx = map.xy_idx(vis.x, vis.y);
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map.revealed_tiles[idx] = true;
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});
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}
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});
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}
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}
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