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|
use std::collections::HashMap;
use log::info;
use skia_safe::{
canvas::SrcRectConstraint, Canvas, Color4f, ColorSpace, ISize, Image, Matrix, Paint, Rect,
};
use twclient::world::{
helper::Color,
map::{format, TILE_NUM},
World,
};
pub struct MapRenderer {
tileset: HashMap<(Option<usize>, Color), 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 {
for layer in world.map.layers.iter().filter(|l| l.image == *key) {
let tint = layer.color;
info!(
"loading tileset: (texture: {:?}, tint: {}) => {:?}",
key,
tint,
t.dim()
);
let mut bytes: Vec<u8> = Vec::with_capacity(t.dim().0 * t.dim().1 * 4);
for ((_x, _y), c) in t.indexed_iter() {
bytes.push((c.r as u32/* * tint.r as u32*/) as u8);
bytes.push((c.g as u32/* * tint.g as u32*/) as u8);
bytes.push((c.b as u32/* * tint.b as u32*/) as u8);
bytes.push((c.a as u32/* * tint.a as u32*/) as u8);
}
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::Premul,
ColorSpace::new_srgb_linear(),
),
d,
t.dim().0 * 4,
)
.unwrap();
self.tileset.insert((*key, tint), v);
}
}
}
pub fn draw(&mut self, world: &World, canvas: &mut Canvas) {
let rot90 = Matrix::rotate_deg(90.0);
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
.tees
.local()
.map(|t| (t.x / 32, t.y / 32))
.unwrap_or((0, 0));
for l in &world.map.layers {
let tileset = self.tileset.get(&(l.image, l.color)).unwrap();
let mut layer_tint = Paint::new(
Color4f {
a: 1.0,
b: 1.0,
g: 1.0,
r: 1.0,
},
&ColorSpace::new_srgb(),
);
layer_tint.set_style(skia_safe::PaintStyle::Fill);
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 = match l.tiles.get((
((layer_y as i32) + l.offset.1) as usize,
((layer_y as i32) + l.offset.0) as usize,
)) {
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;
}
canvas.save();
canvas.translate((
(layer_x as f32 + 0.5) * TILE_SIZE,
(layer_y as f32 + 0.5) * TILE_SIZE,
));
if rotate {
canvas.concat(&rot90);
}
if vflip {
canvas.scale((-1.0, 1.0));
}
if hflip {
canvas.scale((1.0, -1.0));
}
const TL: u32 = 64;
canvas.draw_image_rect(
tileset,
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,
)),
Rect {
top: -TILE_SIZE / 2.0,
bottom: TILE_SIZE / 2.0,
left: -TILE_SIZE / 2.0,
right: TILE_SIZE / 2.0,
},
&layer_tint,
);
canvas.restore();
}
}
}
}
}
|
