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change remeshing queue from LinkedList to HashMap, add remesh weightings

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Former-commit-id: 28f0826501539848ca97721aff5057ccb4599736
This commit is contained in:
sxv20_ 2019-05-10 19:20:14 +01:00 committed by Joshua Barretto
parent c0be580620
commit 38da6af3c6
1 changed files with 43 additions and 19 deletions
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62
voxygen/src/scene/terrain.rs
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@ -1,9 +1,5 @@
// Standard
use std::{
collections::{HashMap, LinkedList},
sync::mpsc,
time::Duration,
};
use std::{collections::HashMap, sync::mpsc, time::Duration};
// Library
use vek::*;
@ -57,7 +53,7 @@ pub struct Terrain {
// We keep the sender component for no reason othe than to clone it and send it to new workers.
mesh_send_tmp: mpsc::Sender<MeshWorkerResponse>,
mesh_recv: mpsc::Receiver<MeshWorkerResponse>,
mesh_todo: LinkedList<ChunkMeshState>,
mesh_todo: HashMap<Vec3<i32>, ChunkMeshState>,
}
impl Terrain {
@ -71,7 +67,7 @@ impl Terrain {
mesh_send_tmp: send,
mesh_recv: recv,
mesh_todo: LinkedList::new(),
mesh_todo: HashMap::new(),
}
}
@ -79,6 +75,8 @@ impl Terrain {
pub fn maintain(&mut self, renderer: &mut Renderer, client: &Client) {
let current_tick = client.get_tick();
let mut remesh_weights = HashMap::new();
// Add any recently created or changed chunks to the list of chunks to be meshed
for pos in client
.state()
@ -97,15 +95,21 @@ impl Terrain {
let pos = pos + Vec3::new(i, j, k);
if client.state().terrain().get_key(pos).is_some() {
match self.mesh_todo.iter_mut().find(|todo| todo.pos == pos) {
//Some(todo) => todo.started_tick = current_tick,
// The chunk it's queued yet, add it to the queue
_ /* None */ => self.mesh_todo.push_back(ChunkMeshState {
pos,
started_tick: current_tick,
active_worker: false,
}),
}
// match self.mesh_todo.iter_mut().find(|todo| todo.pos == pos) {
// //Some(todo) => todo.started_tick = current_tick,
// // The chunk it's queued yet, add it to the queue
// _ /* None */ => self.mesh_todo.push_back(ChunkMeshState {
// pos,
// started_tick: current_tick,
// active_worker: false,
// }),
// }
let weight = if (i, j, k) == (0, 0, 0) { 10 } else { 1 };
remesh_weights
.entry(pos)
.and_modify(|e| *e += weight)
.or_insert(weight);
}
}
}
@ -115,15 +119,35 @@ impl Terrain {
// Remove any models for chunks that have been recently removed
for pos in &client.state().changes().removed_chunks {
self.chunks.remove(pos);
self.mesh_todo.drain_filter(|todo| todo.pos == *pos);
remesh_weights.remove(pos);
}
for (pos, _weight) in remesh_weights.iter().filter(|(_pos, weight)| **weight > 1) {
// match self.mesh_todo.get_mut(pos) {
// Some(mesh_state) => mesh_state.started_tick = current_tick,
// None => {
// self.mesh_todo.insert(
// *pos,
// ChunkMeshState {
// pos: *pos,
// started_tick: current_tick,
// active_worker: false,
// },
// );
// }
// }
self.mesh_todo.entry(*pos).or_insert(ChunkMeshState {
pos: *pos,
started_tick: current_tick,
active_worker: false,
});
}
// Clone the sender to the thread can send us the chunk data back
// TODO: It's a bit hacky cloning it here and then cloning it again below. Fix this.
let send = self.mesh_send_tmp.clone();
self.mesh_todo
.iter_mut()
.values_mut()
// Only spawn workers for meshing jobs without an active worker already
.filter(|todo| !todo.active_worker)
.for_each(|todo| {
@ -165,7 +189,7 @@ impl Terrain {
// Only pull out one chunk per frame to avoid an unacceptable amount of blocking lag due
// to the GPU upload. That still gives us a 60 chunks / second budget to play with.
if let Ok(response) = self.mesh_recv.recv_timeout(Duration::new(0, 0)) {
match self.mesh_todo.iter().find(|todo| todo.pos == response.pos) {
match self.mesh_todo.get(&response.pos) {
// It's the mesh we want, insert the newly finished model into the terrain model
// data structure (convert the mesh to a model first of course)
Some(todo) if response.started_tick == todo.started_tick => {