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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>,
}
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 / 16, t.y / 16))
.unwrap_or((0, 0));
let tile_rect = Rect {
top: center.1 as f32 * 16.0,
left: center.0 as f32 * 16.0,
bottom: center.1 as f32 * 16.0 + 16.0,
right: center.0 as f32 * 16.0 + 16.0,
};
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;
}
for layer_y in (center.1 - 30)..(center.1 + 30) {
for layer_x in (center.0 - 30)..(center.0 + 30) {
let layer_x = layer_x.try_into().unwrap_or(0);
let layer_y = layer_y.try_into().unwrap_or(0);
if layer_x >= l.tiles.dim().1 || layer_y >= l.tiles.dim().0 {
continue;
}
let tile = l.tiles[(layer_y, layer_x)];
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;
}
let tile_rect = Rect {
top: layer_y as f32 * 16.0,
left: layer_x as f32 * 16.0,
bottom: layer_y as f32 * 16.0 + 16.0,
right: layer_x as f32 * 16.0 + 16.0,
};
canvas.draw_rect(tile_rect, &grid_paint);
const TL: u32 = 16;
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(),
);
// for iy in 0..TL {
// for ix in 0..TL {
// let (x, y) = ((layer_x as u32 * TL + iy), (layer_y as u32 * TL + ix));
// let p_tile =
// tileset[((tile_y * TL + iy) as usize, (tile_x * TL + ix) as usize)];
// let mut p = Paint::new(
// Color4f {
// a: 0.0,
// b: 0.0,
// g: 0.0,
// r: 0.0,
// },
// &ColorSpace::new_srgb(),
// );
// p.set_argb(p_tile.alpha, p_tile.red, p_tile.green, p_tile.green);
// p.set_style(PaintStyle::Fill);
// canvas.draw_rect(
// Rect {
// left: x as f32,
// top: y as f32,
// right: x as f32 + 1.0,
// bottom: y as f32 + 1.0,
// },
// &p,
// );
// }
// }
}
}
}
}
}
|
