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|
use std::collections::HashMap;
use log::{info, warn};
use skia_safe::{
canvas::SrcRectConstraint, Canvas, Color4f, ColorSpace, ISize, Image, Paint, Rect,
};
use twclient::world::{
map::{format, TILE_NUM},
World,
};
pub struct MapRenderer {
tileset: HashMap<Option<usize>, Image>,
}
const TILE_SIZE: f32 = 32.0;
impl MapRenderer {
pub fn new() -> Self {
Self {
tileset: HashMap::new(),
}
}
pub fn tick(&mut self) {}
pub fn map_changed(&mut self, world: &World) {
self.tileset.clear();
for (key, t) in &world.map.tilesets {
let mut bytes: Vec<u8> = Vec::with_capacity(t.dim().0 * t.dim().1 * 4);
info!("loading tileset: {:?} => {:?}", key, t.dim());
for ((_x, _y), c) in t.indexed_iter() {
bytes.push(c.red);
bytes.push(c.green);
bytes.push(c.blue);
bytes.push(c.alpha);
}
let d = skia_safe::Data::new_copy(&bytes);
let v = skia_safe::Image::from_raster_data(
&skia_safe::ImageInfo::new(
ISize::new(t.dim().0 as i32, t.dim().1 as i32),
skia_safe::ColorType::RGBA8888,
skia_safe::AlphaType::Opaque,
None,
),
d,
t.dim().0 * 4,
)
.unwrap();
self.tileset.insert(*key, v);
}
}
pub fn draw(&mut self, world: &World, canvas: &mut Canvas) {
let mut grid_paint = Paint::new(
Color4f {
a: 1.0,
r: 1.0,
g: 1.0,
b: 1.0,
},
&ColorSpace::new_srgb(),
);
grid_paint.set_style(skia_safe::PaintStyle::Stroke);
grid_paint.set_anti_alias(true);
let center = world
.local_tee()
.map(|t| (t.x / 32, t.y / 32))
.unwrap_or((0, 0));
let tile_rect = Rect {
top: center.1 as f32 * TILE_SIZE,
left: center.0 as f32 * TILE_SIZE,
bottom: center.1 as f32 * TILE_SIZE + TILE_SIZE,
right: center.0 as f32 * TILE_SIZE + TILE_SIZE,
};
canvas.draw_rect(tile_rect, &grid_paint);
for l in &world.map.layers {
let tileset = match world.map.tilesets.get(&l.image) {
Some(t) => t,
None => {
warn!("missing tileset for {:?}, skipping layer", l.image);
continue;
}
};
if tileset.dim() == (1, 1) {
continue;
}
// let magic = (186, 50);
// println!("{:?} {:?}", center, l.tiles.dim());
for layer_y in (center.1 - 15)..(center.1 + 15) {
for layer_x in (center.0 - 15)..(center.0 + 15) {
let layer_x = layer_x.try_into().unwrap_or(0);
let layer_y = layer_y.try_into().unwrap_or(0);
let tile_rect = Rect {
top: layer_y as f32 * TILE_SIZE,
left: layer_x as f32 * TILE_SIZE,
bottom: layer_y as f32 * TILE_SIZE + TILE_SIZE,
right: layer_x as f32 * TILE_SIZE + TILE_SIZE,
};
canvas.draw_rect(tile_rect, &grid_paint);
let tile = match l.tiles.get((layer_y, layer_x)) {
Some(t) => t,
None => continue,
};
let _rotate = tile.flags & format::TILEFLAG_ROTATE != 0;
let _vflip = tile.flags & format::TILEFLAG_VFLIP != 0;
let _hflip = tile.flags & format::TILEFLAG_HFLIP != 0;
let tile_x = tile.index as u32 % TILE_NUM;
let tile_y = tile.index as u32 / TILE_NUM;
if tile_x == 0 && tile_y == 0 {
continue;
}
const TL: u32 = 64;
canvas.draw_image_rect(
self.tileset.get(&l.image).unwrap(),
Some((
&Rect {
top: (tile_y * TL) as f32,
left: (tile_x * TL) as f32,
bottom: ((tile_y + 1) * TL) as f32,
right: ((tile_x + 1) * TL) as f32,
},
SrcRectConstraint::Strict,
)),
tile_rect,
&Paint::default(),
);
}
}
}
}
}
|
