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Piotrek
2021-05-16 17:19:23 +02:00
parent 76e952995d
commit 67bb4fddd0
4 changed files with 37 additions and 81 deletions
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src/game/mod.rs
+17 -17
View File
@@ -80,28 +80,28 @@ impl Game {
}
// Chunk position
if self.prev_chunk_pos == None || self.prev_chunk_pos != Some(chunk_pos) {
renderer.get_ui().set_text("World", 2, format!("Chunk: {}, {}, {}", chunk_pos.x, chunk_pos.y, chunk_pos.z));
// if self.prev_chunk_pos == None || self.prev_chunk_pos != Some(chunk_pos) {
// renderer.get_ui().set_text("World", 2, format!("Chunk: {}, {}, {}", chunk_pos.x, chunk_pos.y, chunk_pos.z));
let dir = chunk_pos - self.prev_chunk_pos.unwrap_or(chunk_pos); //TODO: clamp to -1,1
if dir.x != 0 || dir.y != 0 || dir.z != 0 {
// let dir = chunk_pos - self.prev_chunk_pos.unwrap_or(chunk_pos); //TODO: clamp to -1,1
// if dir.x != 0 || dir.y != 0 || dir.z != 0 {
// Shift world
renderer.shift(dir * world::chunk::SIZE as i32);
// // Shift world
// renderer.shift(dir * world::chunk::SIZE as i32);
// Load chunks at the edge
let center = chunk_pos.clone() + RENDER_DIST*dir;
let mask = Vector3{x: dir.x.abs(), y: dir.y.abs(), z: dir.z.abs()};
println!("Load at {:?}", center);
// // Load chunks at the edge
// let center = chunk_pos.clone() + RENDER_DIST*dir;
// let mask = Vector3{x: dir.x.abs(), y: dir.y.abs(), z: dir.z.abs()};
// println!("Load at {:?}", center);
for a in -RENDER_DIST..RENDER_DIST+1 {
let pos = center + Vector3{x: mask.z*a, y: 0, z: mask.x*a};
self.world.load_chunk(pos);
}
}
self.prev_chunk_pos = Some(chunk_pos);
}
// for a in -RENDER_DIST..RENDER_DIST+1 {
// let pos = center + Vector3{x: mask.z*a, y: 0, z: mask.x*a};
// self.world.load_chunk(pos);
// }
// }
// self.prev_chunk_pos = Some(chunk_pos);
// }
// Send dirty chunks to renderer
// TODO: Unload chunks above certain radius
src/game/world/chunk.rs
+7 -26
View File
@@ -56,35 +56,16 @@ impl WorldChunk {
// Blocks
let mut block_bytes = vec![0_u8; num_blocks*block::SIZE_QB];
lz4::decompress(&block_bytes_compressed, &mut block_bytes[0..num_blocks*block::SIZE_QB]).unwrap();
let block_bytes = Arc::new(block_bytes);
if lz4::decompress(&block_bytes_compressed, &mut block_bytes[0..num_blocks*block::SIZE_QB]).is_err() {
// Spawn workers
let (tx, rx) = mpsc::channel();
let per_worker = num_blocks / NUM_WORKERS;
let mut workers = vec![];
for t in 0..NUM_WORKERS {
let by = block_bytes.clone();
let tx = tx.clone();
// Each worker will process their part
workers.push(thread::spawn(move || {
for i in t*per_worker..(t+1)*per_worker {
let mut block = WorldBlock::new();
let idx = i * block::SIZE_QB;
block.materials.clone_from_slice(&by[idx..idx+block::SIZE_QB]);
tx.send((i, block)).unwrap();
}
}));
}
// Wait for workers to finish.
for handle in workers { handle.join().unwrap(); }
let mut blocks: Vec<(usize, WorldBlock)> = rx.try_iter().collect();
// Sort and add result blocks to chunk
blocks.sort_by(|a, b| (*a).0.cmp(&(*b).0));
for b in blocks { instance.blocks.push(b.1); }
for i in 0..num_blocks {
let mut block = WorldBlock::new();
let idx = i * block::SIZE_QB;
block.materials.clone_from_slice(&block_bytes[idx..idx+block::SIZE_QB]);
instance.blocks.push(block);
}
instance
}
src/game/world/loader.rs
+1 -1
View File
@@ -61,7 +61,7 @@ impl ChunkLoader {
* Schedule loading chunks
*/
pub fn load(&mut self, pos: ChunkPos) {
self.queue.send(pos);
self.queue.send(pos).unwrap();
}
/*
src/renderer/buffers/nodes.rs
+11 -36
View File
@@ -1,8 +1,3 @@
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use std::thread::JoinHandle;
use std::sync::Mutex;
use std::thread;
use std::cmp::{min, max};
use cgmath::Vector3;
use byteorder::{LittleEndian, ByteOrder};
@@ -13,46 +8,33 @@ pub const NODE_TEX_SIZE_QB: usize = NODE_TEX_SIZE*NODE_TEX_SIZE*NODE_TEX_SIZE;
pub struct Nodes {
node_buffer_a: Mutex<Box<[u32]>>,
node_buffer_b: Mutex<Box<[u32]>>,
active_buffer: u8,
busy: Arc<AtomicBool>,
node_buffer: [Box<[u32]>; 2],
active_buffer: usize,
modified: bool,
}
impl Nodes {
pub fn new() -> Self {
Self {
node_buffer_a: Mutex::new(vec![0_u32; NODE_TEX_SIZE_QB].into_boxed_slice()),
node_buffer_b: Mutex::new(vec![0_u32; NODE_TEX_SIZE_QB].into_boxed_slice()),
node_buffer: [vec![0_u32; NODE_TEX_SIZE_QB].into_boxed_slice(), vec![0_u32; NODE_TEX_SIZE_QB].into_boxed_slice()],
active_buffer: 0,
busy: Arc::new(AtomicBool::new(false)),
modified: false,
}
}
pub fn get_node(&self, index: usize) -> u32 {
if self.active_buffer == 0 { self.node_buffer_a.lock().unwrap()[index] }
else { self.node_buffer_b.lock().unwrap()[index] }
self.node_buffer[self.active_buffer][index]
}
pub fn set_node(&mut self, index: usize, value: u32) {
if self.active_buffer == 0 { self.node_buffer_a.lock().unwrap()[index] = value; }
else { self.node_buffer_b.lock().unwrap()[index] = value; }
self.modified = true;
self.node_buffer[self.active_buffer][index] = value;
}
pub fn shift(&mut self, offset: &Vector3<i32>) -> bool {
// Prevent shifting if busy
if self.busy.load(Ordering::Relaxed) {
return false;
}
// Perform shift
self.busy.store(true, Ordering::Relaxed);
let a = if self.active_buffer == 0 { 0 } else { 1 };
let b = if self.active_buffer == 0 { 1 } else { 0 };
let from = if self.active_buffer == 0 { self.node_buffer_a.lock().unwrap() } else { self.node_buffer_b.lock().unwrap() };
let mut to = if self.active_buffer == 0 { self.node_buffer_b.lock().unwrap() } else { self.node_buffer_a.lock().unwrap() };
let (ox, oy, oz) = (offset.x, offset.y, offset.z);
let size = NODE_TEX_SIZE as i32;
@@ -61,27 +43,20 @@ impl Nodes {
for z in max(0, -oz)..min(size-oz, size) {
let idx0 = x + size * (y + size * z);
let idx1 = (x+ox) + size * ((y+oy) + size * (z+oz));
to[idx1 as usize] = from[idx0 as usize];
self.node_buffer[b][idx1 as usize] = self.node_buffer[a][idx0 as usize];
}
}
}
self.active_buffer = !self.active_buffer;
self.active_buffer = b;
self.modified = true;
self.busy.store(false, Ordering::Relaxed);
true
}
pub fn update(&mut self, queue: &wgpu::Queue, texture: &wgpu::Texture) {
if self.modified && !self.busy.load(Ordering::Relaxed) {
if self.modified {
self.modified = false;
// Select target node buffer
let node_buffer;
if self.active_buffer == 0 { node_buffer = &self.node_buffer_a; }
else { node_buffer = &self.node_buffer_b; }
// Write all nodes to gpu
for z in 0..NODE_TEX_SIZE {
@@ -90,7 +65,7 @@ impl Nodes {
let node_size = wgpu::Extent3d { width: NODE_TEX_SIZE as u32, height: NODE_TEX_SIZE as u32, depth: 1 };
let mut node_bytes = [0_u8; NODE_TEX_SIZE_SQ*4];
let offset = NODE_TEX_SIZE_SQ*z;
LittleEndian::write_u32_into(&node_buffer.lock().unwrap()[offset..offset+NODE_TEX_SIZE_SQ], &mut node_bytes);
LittleEndian::write_u32_into(&self.node_buffer[self.active_buffer][offset..offset+NODE_TEX_SIZE_SQ], &mut node_bytes);
// Write nodes
queue.write_texture(