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@ -9,3 +9,4 @@ image = { version = "0.24", default_features = false, features = ["png"] }
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log = "0.4"
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env_logger = "0.10"
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strum = { version = "0.24", features = ["derive"] }
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glam = { version = "0.22", features = ["debug-glam-assert", "mint", "fast-math"] }
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@ -1,3 +1,11 @@
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#[derive(Clone, Debug)]
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pub struct GameOptions {
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pub render_distance: u8,
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}
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impl Default for GameOptions {
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fn default() -> Self {
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Self {
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render_distance: 8,
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}
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}
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}
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@ -1,13 +1,20 @@
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use glam::{Vec2, IVec2};
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use std::collections::HashMap;
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use crate::game::options::GameOptions;
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mod chunk;
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use chunk::Chunk;
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mod thread;
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use chunk::{Chunk, CHUNK_SIZE};
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pub struct World {
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chunks: HashMap<(i32, i32), Chunk>
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pub chunks: HashMap<IVec2, Chunk>
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}
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impl World {
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// pub fn update_loaded_chunks(around: ) {
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pub fn update_loaded_chunks(&mut self, around_position: Vec2, game_opt: &GameOptions) {
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let render_dist = game_opt.render_distance as i32;
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let inside_chunk = (around_position / CHUNK_SIZE as f32).as_ivec2();
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// }
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todo!()
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}
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}
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@ -1,3 +1,4 @@
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use glam::IVec2;
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use glium::VertexBuffer;
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use crate::game::{
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blocks::Block,
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@ -8,16 +9,37 @@ pub const CHUNK_SIZE: usize = 16;
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pub const CHUNK_HEIGHT: usize = 255;
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pub enum ChunkState {
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//AwaitsLoading,
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//Loaded,
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//AwaitsMesh,
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//Rendered,
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//AwaitsUnload
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AwaitsLoading,
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Loaded,
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AwaitsMesh,
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Rendered,
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AwaitsUnload
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}
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pub struct Chunk {
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pub coords: (i32, i32),
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pub block_data: Option<[[[Block; CHUNK_SIZE]; CHUNK_HEIGHT]; CHUNK_SIZE]>,
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pub vertex_buffer: Option<VertexBuffer<ChunkVertex>>,
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pub state: ChunkState
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pub enum DesiredState {
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Unloaded,
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Loaded,
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Rendered,
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}
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pub type ChunkData = [[[Block; CHUNK_SIZE]; CHUNK_HEIGHT]; CHUNK_SIZE];
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pub type ChunkMesh = VertexBuffer<ChunkVertex>;
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pub struct Chunk {
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pub position: IVec2,
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pub block_data: Option<ChunkData>,
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pub vertex_buffer: Option<ChunkMesh>,
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pub state: ChunkState,
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pub desired: DesiredState,
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}
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impl Chunk {
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pub fn new(position: IVec2) -> Self {
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Self {
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position,
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block_data: None,
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vertex_buffer: None,
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state: ChunkState::AwaitsLoading,
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desired: DesiredState::Loaded,
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}
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}
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}
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47
src/game/world/thread.rs
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47
src/game/world/thread.rs
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@ -0,0 +1,47 @@
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use glam::IVec2;
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use std::{
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thread::{self, JoinHandle},
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collections::HashMap,
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mem
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};
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use super::chunk::{ChunkData, Chunk};
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mod world_gen;
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mod mesh_gen;
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struct WorldThreading {
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//drain_filter is not stable yet so
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//Options are needed here to take ownership,
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//None values should never appear here!
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pub load_tasks: HashMap<IVec2, Option<JoinHandle<ChunkData>>>,
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pub mesh_tasks: HashMap<IVec2, Option<JoinHandle<ChunkData>>>,
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}
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impl WorldThreading {
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pub fn is_done(&self) -> bool {
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self.load_tasks.is_empty() &&
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self.mesh_tasks.is_empty()
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}
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pub fn queue_load(&mut self, position: IVec2) {
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let handle = thread::spawn(|| {
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world_gen::generate_chunk()
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});
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if self.load_tasks.insert(position, Some(handle)).is_some() {
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log::warn!("load: discarded {}, reason: new task started", position);
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}
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}
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pub fn apply_tasks(&mut self, chunks: &mut HashMap<IVec2, Chunk>) {
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self.load_tasks.retain(|position, handle| {
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if !chunks.contains_key(position) {
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log::warn!("load: discarded {}, reason: chunk no longer exists", position);
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return false
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}
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if !handle.as_ref().expect("Something went terribly wrong").is_finished() {
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return true
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}
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let handle = mem::take(handle).unwrap();
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let data = handle.join().unwrap();
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chunks.get_mut(position).unwrap().block_data = Some(data);
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false
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});
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}
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}
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0
src/game/world/thread/mesh_gen.rs
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0
src/game/world/thread/mesh_gen.rs
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8
src/game/world/thread/world_gen.rs
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8
src/game/world/thread/world_gen.rs
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@ -0,0 +1,8 @@
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use crate::game::{
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world::chunk::{ChunkData, CHUNK_SIZE, CHUNK_HEIGHT},
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blocks::Block
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};
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pub fn generate_chunk() -> ChunkData {
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[[[Block::Stone; CHUNK_SIZE]; CHUNK_HEIGHT]; CHUNK_SIZE]
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}
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