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pub mod render;
use crate::render::{
composite::{
image_buffer_blit, isometric_coord_mapping, CHUNK_HEIGHT, CHUNK_SIZE, REGION_SIZE,
},
models::processed_block_texture,
processing::Texture,
};
use fastanvil::{tex::Render, Block, Chunk, CurrentJavaChunk, RegionLoader};
use image::{ImageBuffer, Rgba};
use log::debug;
use std::{collections::HashMap, path::Path};
fn main() {
env_logger::builder()
.filter_level(log::LevelFilter::Debug)
.parse_env("LOG")
.build();
let loader = fastanvil::RegionFileLoader::new(
Path::new("/home/muffin/containers/games/home/user/server/world/region/").to_path_buf(),
);
let mut region = loader
.region(fastanvil::RCoord(0), fastanvil::RCoord(0))
.unwrap();
let chunk = region.read_chunk(0, 0).unwrap().unwrap();
let chunk: CurrentJavaChunk = fastnbt::from_bytes(&chunk).unwrap();
let mut visible_blocks = Vec::new();
for x in 0..16 {
for y in -64..256 {
for z in 0..16 {
let solid = |x: isize, y: isize, z: isize| {
if x >= 0 && z >= 0 && x < 16 && z < 16 && y >= -64 && y < 256 {
chunk
.block(x as usize, y, z as usize)
.map(|b| b.name() != "minecraft:air")
.unwrap_or(false)
} else {
false
}
};
let visible = solid(x, y, z)
&& !(solid(x + 1, y, z)
&& solid(x - 1, y, z)
&& solid(x, y + 1, z)
&& solid(x, y - 1, z)
&& solid(x, y, z + 1)
&& solid(x, y, z - 1));
if visible {
visible_blocks.push((x, y, z))
}
}
}
}
debug!("{} potentially visible blocks", visible_blocks.len());
debug!("sorting by z-order");
visible_blocks.sort_by_cached_key(|(x, y, z)| x + y + z);
debug!("done");
let mut view: Texture = ImageBuffer::new(
16 * CHUNK_SIZE as u32,
16 * (CHUNK_SIZE as u32 + CHUNK_HEIGHT as u32) / 2,
);
let mut textures = HashMap::<String, Texture>::new();
for (x, y, z) in visible_blocks {
let coords = isometric_coord_mapping(x as i32, y as i32, z as i32);
let name = &chunk.block(x as usize, y, z as usize).unwrap().name()["minecraft:".len()..];
let texture = textures
.entry(name.to_owned())
.or_insert_with(|| processed_block_texture(name));
println!("{coords:?}");
image_buffer_blit(&mut view, texture, coords);
}
view.save(format!("/tmp/a.png")).unwrap();
}
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