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feat(client): implement face culling and voxel rendering

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Serkyo 2026-05-16 19:04:27 +02:00
parent 203cc2a671
commit 61a7fb0ed5
3 changed files with 111 additions and 0 deletions
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2
crates/client/Cargo.toml
View file

@ -14,3 +14,5 @@ winit = "0.30.13"
renderer = { path = "../renderer" } renderer = { path = "../renderer" }
raw-window-handle = "0.6.2" raw-window-handle = "0.6.2"
ash-window = "0.13.0" ash-window = "0.13.0"
serde_json = "1.0.149"
shared = { version = "0.1.0", path = "../shared" }

19
crates/client/src/main.rs
View file

@ -2,6 +2,7 @@
//! //!
//! This crate handles window creation, input processing, and drives the //! This crate handles window creation, input processing, and drives the
//! renderer to display the game world. //! renderer to display the game world.
mod meshing;
use anyhow::{Context, Result}; use anyhow::{Context, Result};
use raw_window_handle::{HasDisplayHandle, HasWindowHandle}; use raw_window_handle::{HasDisplayHandle, HasWindowHandle};
@ -75,6 +76,24 @@ impl ApplicationHandler for App {
self.window = Some(window); self.window = Some(window);
self.renderer = Some(renderer); self.renderer = Some(renderer);
#[allow(clippy::expect_used)]
let config_str = std::fs::read_to_string("assets/data/worldgen/default.json")
.expect("Failed to read worldgen config");
#[allow(clippy::expect_used)]
let worldgen_config: shared::generator::WorldGenConfig = serde_json::from_str(&config_str)
.expect("Failed to parse worldgen config");
let seed = 4_813_530;
let generator = shared::generator::VoxelGenerator::new(worldgen_config, seed);
let chunk = generator.generate_chunk(shared::world::ChunkPos::new(0, 0, 0));
let (vertices, indices) = meshing::generate_mesh(&chunk);
tracing::info!("Generated Mesh with {} vertices and {} indices!", vertices.len(), indices.len());
#[allow(clippy::expect_used)]
self.renderer.as_mut().expect("Renderer initialized").update_mesh(&vertices, &indices).expect("Failed to upload terrain to GPU");
} }
fn window_event(&mut self, event_loop: &ActiveEventLoop, _id: WindowId, event: WindowEvent) { fn window_event(&mut self, event_loop: &ActiveEventLoop, _id: WindowId, event: WindowEvent) {

90
crates/client/src/meshing.rs Normal file
View file

@ -0,0 +1,90 @@
use shared::world::{BlockId, CHUNK_SIZE, Chunk};
use renderer::mesh::Vertex;
#[allow(clippy::cast_precision_loss, clippy::cast_possible_truncation)]
pub fn generate_mesh(chunk: &Chunk) -> (Vec<Vertex>, Vec<u32>) {
let mut vertices = Vec::new();
let mut indices = Vec::new();
for x in 0..CHUNK_SIZE {
for y in 0..CHUNK_SIZE {
for z in 0..CHUNK_SIZE {
let block = chunk.get(x, y, z);
if block == BlockId::AIR {
continue;
}
let fx = x as f32;
let fy = y as f32;
let fz = z as f32;
if y == CHUNK_SIZE - 1 || chunk.get(x, y + 1, z) == BlockId::AIR {
let base_idx = vertices.len() as u32;
vertices.push(Vertex { position: [fx - 0.5, fy + 0.5, fz + 0.5], color: [0.2, 0.8, 0.2] });
vertices.push(Vertex { position: [fx + 0.5, fy + 0.5, fz + 0.5], color: [0.2, 0.8, 0.2] });
vertices.push(Vertex { position: [fx + 0.5, fy + 0.5, fz - 0.5], color: [0.2, 0.8, 0.2] });
vertices.push(Vertex { position: [fx - 0.5, fy + 0.5, fz - 0.5], color: [0.2, 0.8, 0.2] });
indices.extend_from_slice(&[
base_idx, base_idx + 1, base_idx + 2,
base_idx + 2, base_idx + 3, base_idx,
]);
}
if y == 0 || chunk.get(x, y - 1, z) == BlockId::AIR {
let base_idx = vertices.len() as u32;
vertices.push(Vertex { position: [fx - 0.5, fy - 0.5, fz - 0.5], color: [0.1, 0.4, 0.1] });
vertices.push(Vertex { position: [fx + 0.5, fy - 0.5, fz - 0.5], color: [0.1, 0.4, 0.1] });
vertices.push(Vertex { position: [fx + 0.5, fy - 0.5, fz + 0.5], color: [0.1, 0.4, 0.1] });
vertices.push(Vertex { position: [fx - 0.5, fy - 0.5, fz + 0.5], color: [0.1, 0.4, 0.1] });
indices.extend_from_slice(&[base_idx, base_idx + 1, base_idx + 2, base_idx + 2, base_idx + 3, base_idx]);
}
if x == CHUNK_SIZE - 1 || chunk.get(x + 1, y, z) == BlockId::AIR {
let base_idx = vertices.len() as u32;
vertices.push(Vertex { position: [fx + 0.5, fy - 0.5, fz + 0.5], color: [0.15, 0.6, 0.15] });
vertices.push(Vertex { position: [fx + 0.5, fy - 0.5, fz - 0.5], color: [0.15, 0.6, 0.15] });
vertices.push(Vertex { position: [fx + 0.5, fy + 0.5, fz - 0.5], color: [0.15, 0.6, 0.15] });
vertices.push(Vertex { position: [fx + 0.5, fy + 0.5, fz + 0.5], color: [0.15, 0.6, 0.15] });
indices.extend_from_slice(&[base_idx, base_idx + 1, base_idx + 2, base_idx + 2, base_idx + 3, base_idx]);
}
if x == 0 || chunk.get(x - 1, y, z) == BlockId::AIR {
let base_idx = vertices.len() as u32;
vertices.push(Vertex { position: [fx - 0.5, fy - 0.5, fz - 0.5], color: [0.15, 0.6, 0.15] });
vertices.push(Vertex { position: [fx - 0.5, fy - 0.5, fz + 0.5], color: [0.15, 0.6, 0.15] });
vertices.push(Vertex { position: [fx - 0.5, fy + 0.5, fz + 0.5], color: [0.15, 0.6, 0.15] });
vertices.push(Vertex { position: [fx - 0.5, fy + 0.5, fz - 0.5], color: [0.15, 0.6, 0.15] });
indices.extend_from_slice(&[base_idx, base_idx + 1, base_idx + 2, base_idx + 2, base_idx + 3, base_idx]);
}
if z == CHUNK_SIZE - 1 || chunk.get(x, y, z + 1) == BlockId::AIR {
let base_idx = vertices.len() as u32;
vertices.push(Vertex { position: [fx - 0.5, fy - 0.5, fz + 0.5], color: [0.18, 0.7, 0.18] });
vertices.push(Vertex { position: [fx + 0.5, fy - 0.5, fz + 0.5], color: [0.18, 0.7, 0.18] });
vertices.push(Vertex { position: [fx + 0.5, fy + 0.5, fz + 0.5], color: [0.18, 0.7, 0.18] });
vertices.push(Vertex { position: [fx - 0.5, fy + 0.5, fz + 0.5], color: [0.18, 0.7, 0.18] });
indices.extend_from_slice(&[base_idx, base_idx + 1, base_idx + 2, base_idx + 2, base_idx + 3, base_idx]);
}
if z == 0 || chunk.get(x, y, z - 1) == BlockId::AIR {
let base_idx = vertices.len() as u32;
vertices.push(Vertex { position: [fx + 0.5, fy - 0.5, fz - 0.5], color: [0.18, 0.7, 0.18] });
vertices.push(Vertex { position: [fx - 0.5, fy - 0.5, fz - 0.5], color: [0.18, 0.7, 0.18] });
vertices.push(Vertex { position: [fx - 0.5, fy + 0.5, fz - 0.5], color: [0.18, 0.7, 0.18] });
vertices.push(Vertex { position: [fx + 0.5, fy + 0.5, fz - 0.5], color: [0.18, 0.7, 0.18] });
indices.extend_from_slice(&[base_idx, base_idx + 1, base_idx + 2, base_idx + 2, base_idx + 3, base_idx]);
}
}
}
}
(vertices, indices)
}