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/*
Hurry Curry! - a game about cooking
Copyright 2024 metamuffin
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3 of the License only.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use hurrycurry_protocol::glam::Vec2;
use sdl2::{
pixels::PixelFormatEnum,
rect::{FRect, Rect},
render::{BlendMode, Canvas, Texture, TextureAccess, TextureCreator},
video::{Window, WindowContext},
};
use std::collections::HashMap;
pub struct SpriteRenderer<'a> {
metadata: HashMap<String, Rect>,
misc_textures: MiscTextures,
texture: Texture<'a>,
view_scale: Vec2,
view_offset: Vec2,
sprites: Vec<SpriteDraw>,
}
pub struct MiscTextures {
pub player: Rect,
}
pub struct SpriteDraw {
z_order: i32,
src: Rect,
dst: FRect,
}
impl<'a> SpriteRenderer<'a> {
pub fn init(texture_creator: &'a TextureCreator<WindowContext>) -> Self {
let palette = include_str!("../assets/palette.csv")
.split('\n')
.filter(|l| !l.is_empty())
.map(|s| {
let mut toks = s.split(",");
(
toks.next().unwrap().chars().next().unwrap(),
[
toks.next().unwrap().parse::<u8>().unwrap(),
toks.next().unwrap().parse::<u8>().unwrap(),
toks.next().unwrap().parse::<u8>().unwrap(),
toks.next().unwrap().parse::<u8>().unwrap(),
],
)
})
.collect::<HashMap<_, _>>();
let mut texels = vec![255; 1024 * 1024 * 4];
for (y, line) in include_str!("../assets/atlas.ta").lines().enumerate() {
if line.is_empty() {
continue;
}
for (x, char) in line.chars().enumerate() {
let color = palette.get(&char).unwrap();
texels[(y * 1024 + x) * 4 + 0] = color[3];
texels[(y * 1024 + x) * 4 + 1] = color[2];
texels[(y * 1024 + x) * 4 + 2] = color[1];
texels[(y * 1024 + x) * 4 + 3] = color[0];
}
}
let mut texture = texture_creator
.create_texture(
Some(PixelFormatEnum::RGBA8888),
TextureAccess::Streaming,
1024,
1024,
)
.unwrap();
texture.update(None, &texels, 1024 * 4).unwrap();
texture.set_blend_mode(BlendMode::Blend);
let metadata = include_str!("../assets/atlas.meta.csv")
.lines()
.filter(|l| !l.is_empty())
.map(|l| {
let mut toks = l.split(",");
let x: i32 = toks.next().unwrap().parse().unwrap();
let y: i32 = toks.next().unwrap().parse().unwrap();
let w: u32 = toks.next().unwrap().parse().unwrap();
let h: u32 = toks.next().unwrap().parse().unwrap();
let name = toks.next().unwrap().to_string();
(name, Rect::new(x, y, w, h))
})
.collect::<HashMap<_, _>>();
Self {
misc_textures: MiscTextures {
player: *metadata.get("player+a").unwrap(),
},
texture,
metadata,
sprites: vec![],
view_offset: Vec2::ZERO,
view_scale: Vec2::new(32., 24.) * 3.,
}
}
#[inline]
pub fn metadata(&self) -> &HashMap<String, Rect> {
&self.metadata
}
#[inline]
pub fn misc_textures(&self) -> &MiscTextures {
&self.misc_textures
}
pub fn draw(&mut self, z_order: i32, src: Rect, dst: FRect) {
self.sprites.push(SpriteDraw {
z_order,
src,
dst: FRect::new(
(dst.x + self.view_offset.x) * self.view_scale.x,
(dst.y + self.view_offset.y) * self.view_scale.y,
dst.w * self.view_scale.x,
dst.h * self.view_scale.y,
),
})
}
pub fn submit(&mut self, canvas: &mut Canvas<Window>) {
self.sprites.sort();
for SpriteDraw { src, dst, .. } in self.sprites.drain(..) {
canvas.copy_f(&self.texture, src, dst).unwrap();
}
}
}
impl Ord for SpriteDraw {
fn cmp(&self, other: &Self) -> std::cmp::Ordering {
self.z_order.cmp(&other.z_order)
}
}
impl PartialOrd for SpriteDraw {
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
Some(self.cmp(&other))
}
}
impl Eq for SpriteDraw {}
impl PartialEq for SpriteDraw {
fn eq(&self, other: &Self) -> bool {
self.z_order == other.z_order && self.src == other.src && self.dst == other.dst
}
}
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