Implement Chunk, including a raycasting algorithm
This commit is contained in:
parent
1b1daad1f7
commit
17fbd875e2
8 changed files with 334 additions and 136 deletions
|
@ -23,14 +23,16 @@ impl Camera {
|
|||
}
|
||||
}
|
||||
|
||||
pub fn calculate_matrix(&self) -> Matrix4<f32> {
|
||||
let direction = Vector3::new(
|
||||
pub fn direction(&self) -> Vector3<f32> {
|
||||
Vector3::new(
|
||||
self.yaw.0.cos() * self.pitch.0.cos(),
|
||||
self.pitch.0.sin(),
|
||||
self.yaw.0.sin() * self.pitch.0.cos(),
|
||||
);
|
||||
)
|
||||
}
|
||||
|
||||
Matrix4::look_to_rh(self.position, direction, Vector3::unit_y())
|
||||
pub fn calculate_matrix(&self) -> Matrix4<f32> {
|
||||
Matrix4::look_to_rh(self.position, self.direction(), Vector3::unit_y())
|
||||
}
|
||||
}
|
||||
|
||||
|
|
119
src/chunk.rs
Normal file
119
src/chunk.rs
Normal file
|
@ -0,0 +1,119 @@
|
|||
use crate::instance::Instance;
|
||||
use cgmath::{Deg, InnerSpace, Quaternion, Rotation3, Vector3};
|
||||
use std::collections::HashMap;
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
|
||||
pub enum BlockType {
|
||||
Dirt,
|
||||
Cobblestone,
|
||||
}
|
||||
|
||||
impl BlockType {
|
||||
pub fn texture_index(self) -> u32 {
|
||||
match self {
|
||||
Self::Dirt => 0,
|
||||
Self::Cobblestone => 1,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy)]
|
||||
pub struct Block {
|
||||
pub block_type: BlockType,
|
||||
}
|
||||
|
||||
const CHUNK_SIZE: usize = 16;
|
||||
|
||||
pub struct Chunk {
|
||||
pub blocks: [[[Option<Block>; CHUNK_SIZE]; CHUNK_SIZE]; CHUNK_SIZE],
|
||||
}
|
||||
|
||||
impl Chunk {
|
||||
pub fn to_instances(&self) -> Vec<(BlockType, Vec<Instance>)> {
|
||||
let mut map: HashMap<BlockType, Vec<Instance>> = HashMap::new();
|
||||
|
||||
for (y, y_blocks) in self.blocks.iter().enumerate() {
|
||||
for (z, z_blocks) in y_blocks.iter().enumerate() {
|
||||
for (x, block) in z_blocks.iter().enumerate() {
|
||||
if let Some(block) = block {
|
||||
let position = Vector3 {
|
||||
x: x as f32,
|
||||
y: y as f32,
|
||||
z: z as f32,
|
||||
};
|
||||
|
||||
let rotation = Quaternion::from_axis_angle(Vector3::unit_z(), Deg(0.0));
|
||||
|
||||
let instances = map.entry(block.block_type).or_default();
|
||||
|
||||
instances.push(Instance {
|
||||
position,
|
||||
rotation,
|
||||
block_type: block.block_type,
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
map.drain().collect()
|
||||
}
|
||||
|
||||
fn calc_scale(a: Vector3<f32>, b: f32) -> f32 {
|
||||
if b == 0.0 {
|
||||
f32::INFINITY
|
||||
} else {
|
||||
(a / b).magnitude()
|
||||
}
|
||||
}
|
||||
|
||||
pub fn dda(&self, position: Vector3<f32>, direction: Vector3<f32>) -> Option<Vector3<usize>> {
|
||||
assert!(f32::abs(direction.magnitude() - 1.0) < f32::EPSILON);
|
||||
|
||||
let scale_x = Self::calc_scale(direction, direction.x);
|
||||
let scale_y = Self::calc_scale(direction, direction.y);
|
||||
let scale_z = Self::calc_scale(direction, direction.z);
|
||||
dbg!(direction, scale_x, scale_y, scale_z);
|
||||
|
||||
let mut new_position = position;
|
||||
|
||||
let mut x_length = 0.0;
|
||||
let mut y_length = 0.0;
|
||||
let mut z_length = 0.0;
|
||||
loop {
|
||||
let new_x_length = x_length + scale_x;
|
||||
let new_y_length = y_length + scale_y;
|
||||
let new_z_length = z_length + scale_z;
|
||||
|
||||
if new_x_length < f32::min(new_y_length, new_z_length) {
|
||||
x_length = new_x_length;
|
||||
new_position += direction * scale_x;
|
||||
} else if new_y_length < f32::min(new_x_length, new_z_length) {
|
||||
y_length = new_y_length;
|
||||
new_position += direction * scale_y;
|
||||
} else if new_z_length < f32::min(new_x_length, new_y_length) {
|
||||
z_length = new_z_length;
|
||||
new_position += direction * scale_z;
|
||||
}
|
||||
|
||||
let pos_usize = new_position.map(|field| field.round() as usize);
|
||||
let block = self
|
||||
.blocks
|
||||
.get(pos_usize.y)
|
||||
.and_then(|a| a.get(pos_usize.z))
|
||||
.and_then(|a| a.get(pos_usize.x));
|
||||
|
||||
match block {
|
||||
None => {
|
||||
// Went outside the chunk, intersection no longer possible
|
||||
break None;
|
||||
}
|
||||
Some(None) => (),
|
||||
Some(Some(_)) => {
|
||||
// Intersected with a block, round position to coordinates and return it.
|
||||
break Some(pos_usize);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
48
src/cube.rs
48
src/cube.rs
|
@ -3,40 +3,40 @@ use crate::vertex::Vertex;
|
|||
#[rustfmt::skip]
|
||||
pub const VERTICES: &[Vertex] = &[
|
||||
// Left
|
||||
Vertex { position: [-1.0, -1.0, -1.0], texture_coordinates: [1.0, 1.0], normal: [-1.0, 0.0, 0.0] },
|
||||
Vertex { position: [-1.0, -1.0, 1.0], texture_coordinates: [0.0, 1.0], normal: [-1.0, 0.0, 0.0] },
|
||||
Vertex { position: [-1.0, 1.0, 1.0], texture_coordinates: [0.0, 0.0], normal: [-1.0, 0.0, 0.0] },
|
||||
Vertex { position: [-1.0, 1.0, -1.0], texture_coordinates: [1.0, 0.0], normal: [-1.0, 0.0, 0.0] },
|
||||
Vertex { position: [-0.5, -0.5, -0.5], texture_coordinates: [1.0, 1.0], normal: [-1.0, 0.0, 0.0] },
|
||||
Vertex { position: [-0.5, -0.5, 0.5], texture_coordinates: [0.0, 1.0], normal: [-1.0, 0.0, 0.0] },
|
||||
Vertex { position: [-0.5, 0.5, 0.5], texture_coordinates: [0.0, 0.0], normal: [-1.0, 0.0, 0.0] },
|
||||
Vertex { position: [-0.5, 0.5, -0.5], texture_coordinates: [1.0, 0.0], normal: [-1.0, 0.0, 0.0] },
|
||||
|
||||
// Right
|
||||
Vertex { position: [ 1.0, -1.0, -1.0], texture_coordinates: [0.0, 1.0], normal: [ 1.0, 0.0, 0.0] },
|
||||
Vertex { position: [ 1.0, -1.0, 1.0], texture_coordinates: [1.0, 1.0], normal: [ 1.0, 0.0, 0.0] },
|
||||
Vertex { position: [ 1.0, 1.0, 1.0], texture_coordinates: [1.0, 0.0], normal: [ 1.0, 0.0, 0.0] },
|
||||
Vertex { position: [ 1.0, 1.0, -1.0], texture_coordinates: [0.0, 0.0], normal: [ 1.0, 0.0, 0.0] },
|
||||
Vertex { position: [ 0.5, -0.5, -0.5], texture_coordinates: [0.0, 1.0], normal: [ 1.0, 0.0, 0.0] },
|
||||
Vertex { position: [ 0.5, -0.5, 0.5], texture_coordinates: [1.0, 1.0], normal: [ 1.0, 0.0, 0.0] },
|
||||
Vertex { position: [ 0.5, 0.5, 0.5], texture_coordinates: [1.0, 0.0], normal: [ 1.0, 0.0, 0.0] },
|
||||
Vertex { position: [ 0.5, 0.5, -0.5], texture_coordinates: [0.0, 0.0], normal: [ 1.0, 0.0, 0.0] },
|
||||
|
||||
// Back
|
||||
Vertex { position: [-1.0, -1.0, -1.0], texture_coordinates: [1.0, 1.0], normal: [ 0.0, 0.0, -1.0] },
|
||||
Vertex { position: [-1.0, 1.0, -1.0], texture_coordinates: [1.0, 0.0], normal: [ 0.0, 0.0, -1.0] },
|
||||
Vertex { position: [ 1.0, 1.0, -1.0], texture_coordinates: [0.0, 0.0], normal: [ 0.0, 0.0, -1.0] },
|
||||
Vertex { position: [ 1.0, -1.0, -1.0], texture_coordinates: [0.0, 1.0], normal: [ 0.0, 0.0, -1.0] },
|
||||
Vertex { position: [-0.5, -0.5, -0.5], texture_coordinates: [1.0, 1.0], normal: [ 0.0, 0.0, -1.0] },
|
||||
Vertex { position: [-0.5, 0.5, -0.5], texture_coordinates: [1.0, 0.0], normal: [ 0.0, 0.0, -1.0] },
|
||||
Vertex { position: [ 0.5, 0.5, -0.5], texture_coordinates: [0.0, 0.0], normal: [ 0.0, 0.0, -1.0] },
|
||||
Vertex { position: [ 0.5, -0.5, -0.5], texture_coordinates: [0.0, 1.0], normal: [ 0.0, 0.0, -1.0] },
|
||||
|
||||
// Front
|
||||
Vertex { position: [-1.0, -1.0, 1.0], texture_coordinates: [0.0, 1.0], normal: [ 0.0, 0.0, 1.0] },
|
||||
Vertex { position: [-1.0, 1.0, 1.0], texture_coordinates: [0.0, 0.0], normal: [ 0.0, 0.0, 1.0] },
|
||||
Vertex { position: [ 1.0, 1.0, 1.0], texture_coordinates: [1.0, 0.0], normal: [ 0.0, 0.0, 1.0] },
|
||||
Vertex { position: [ 1.0, -1.0, 1.0], texture_coordinates: [1.0, 1.0], normal: [ 0.0, 0.0, 1.0] },
|
||||
Vertex { position: [-0.5, -0.5, 0.5], texture_coordinates: [0.0, 1.0], normal: [ 0.0, 0.0, 1.0] },
|
||||
Vertex { position: [-0.5, 0.5, 0.5], texture_coordinates: [0.0, 0.0], normal: [ 0.0, 0.0, 1.0] },
|
||||
Vertex { position: [ 0.5, 0.5, 0.5], texture_coordinates: [1.0, 0.0], normal: [ 0.0, 0.0, 1.0] },
|
||||
Vertex { position: [ 0.5, -0.5, 0.5], texture_coordinates: [1.0, 1.0], normal: [ 0.0, 0.0, 1.0] },
|
||||
|
||||
// Bottom
|
||||
Vertex { position: [-1.0, -1.0, -1.0], texture_coordinates: [1.0, 0.0], normal: [ 0.0, -1.0, 0.0] },
|
||||
Vertex { position: [-1.0, -1.0, 1.0], texture_coordinates: [1.0, 1.0], normal: [ 0.0, -1.0, 0.0] },
|
||||
Vertex { position: [ 1.0, -1.0, 1.0], texture_coordinates: [0.0, 1.0], normal: [ 0.0, -1.0, 0.0] },
|
||||
Vertex { position: [ 1.0, -1.0, -1.0], texture_coordinates: [0.0, 0.0], normal: [ 0.0, -1.0, 0.0] },
|
||||
Vertex { position: [-0.5, -0.5, -0.5], texture_coordinates: [1.0, 0.0], normal: [ 0.0, -1.0, 0.0] },
|
||||
Vertex { position: [-0.5, -0.5, 0.5], texture_coordinates: [1.0, 1.0], normal: [ 0.0, -1.0, 0.0] },
|
||||
Vertex { position: [ 0.5, -0.5, 0.5], texture_coordinates: [0.0, 1.0], normal: [ 0.0, -1.0, 0.0] },
|
||||
Vertex { position: [ 0.5, -0.5, -0.5], texture_coordinates: [0.0, 0.0], normal: [ 0.0, -1.0, 0.0] },
|
||||
|
||||
// Top
|
||||
Vertex { position: [ -1.0, 1.0, -1.0], texture_coordinates: [0.0, 0.0], normal: [ 0.0, 1.0, 0.0] },
|
||||
Vertex { position: [ -1.0, 1.0, 1.0], texture_coordinates: [0.0, 1.0], normal: [ 0.0, 1.0, 0.0] },
|
||||
Vertex { position: [ 1.0, 1.0, 1.0], texture_coordinates: [1.0, 1.0], normal: [ 0.0, 1.0, 0.0] },
|
||||
Vertex { position: [ 1.0, 1.0, -1.0], texture_coordinates: [1.0, 0.0], normal: [ 0.0, 1.0, 0.0] },
|
||||
Vertex { position: [-0.5, 0.5, -0.5], texture_coordinates: [0.0, 0.0], normal: [ 0.0, 1.0, 0.0] },
|
||||
Vertex { position: [-0.5, 0.5, 0.5], texture_coordinates: [0.0, 1.0], normal: [ 0.0, 1.0, 0.0] },
|
||||
Vertex { position: [ 0.5, 0.5, 0.5], texture_coordinates: [1.0, 1.0], normal: [ 0.0, 1.0, 0.0] },
|
||||
Vertex { position: [ 0.5, 0.5, -0.5], texture_coordinates: [1.0, 0.0], normal: [ 0.0, 1.0, 0.0] },
|
||||
];
|
||||
|
||||
#[rustfmt::skip]
|
||||
|
|
|
@ -1,12 +1,17 @@
|
|||
use crate::chunk::BlockType;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Instance {
|
||||
pub position: cgmath::Vector3<f32>,
|
||||
pub rotation: cgmath::Quaternion<f32>,
|
||||
pub block_type: BlockType,
|
||||
}
|
||||
|
||||
#[repr(C)]
|
||||
#[derive(Copy, Clone, bytemuck::Pod, bytemuck::Zeroable)]
|
||||
pub struct InstanceRaw {
|
||||
model: [[f32; 4]; 4],
|
||||
texture_index: u32,
|
||||
}
|
||||
|
||||
impl Instance {
|
||||
|
@ -16,6 +21,7 @@ impl Instance {
|
|||
|
||||
InstanceRaw {
|
||||
model: (position * rotation).into(),
|
||||
texture_index: self.block_type.texture_index(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -47,6 +53,11 @@ impl InstanceRaw {
|
|||
shader_location: 8,
|
||||
format: wgpu::VertexFormat::Float32x4,
|
||||
},
|
||||
wgpu::VertexAttribute {
|
||||
offset: mem::size_of::<[f32; 16]>() as wgpu::BufferAddress,
|
||||
shader_location: 9,
|
||||
format: wgpu::VertexFormat::Uint32,
|
||||
},
|
||||
],
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1,4 +1,6 @@
|
|||
mod aabb;
|
||||
mod camera;
|
||||
mod chunk;
|
||||
mod cube;
|
||||
mod instance;
|
||||
mod light;
|
||||
|
@ -21,7 +23,7 @@ fn main() {
|
|||
env_logger::init();
|
||||
let event_loop = EventLoop::new();
|
||||
let window = WindowBuilder::new()
|
||||
.with_title(r#"minecrab"#)
|
||||
.with_title("minecrab")
|
||||
.with_inner_size(Size::Physical(PhysicalSize {
|
||||
width: 1280,
|
||||
height: 720,
|
||||
|
@ -29,10 +31,7 @@ fn main() {
|
|||
.build(&event_loop)
|
||||
.unwrap();
|
||||
|
||||
use futures::executor::block_on;
|
||||
|
||||
// Since main can't be async, we're going to need to block
|
||||
let mut state = block_on(State::new(&window));
|
||||
let mut state = futures::executor::block_on(State::new(&window));
|
||||
|
||||
let mut frames = 0;
|
||||
let mut instant = Instant::now();
|
||||
|
|
|
@ -34,6 +34,7 @@ struct InstanceInput {
|
|||
[[location(6)]] model_matrix_1: vec4<f32>;
|
||||
[[location(7)]] model_matrix_2: vec4<f32>;
|
||||
[[location(8)]] model_matrix_3: vec4<f32>;
|
||||
[[location(9)]] texture_index: u32;
|
||||
};
|
||||
|
||||
|
||||
|
@ -58,16 +59,13 @@ fn main(model: VertexInput, instance: InstanceInput) -> VertexOutput {
|
|||
return out;
|
||||
}
|
||||
|
||||
[[group(0), binding(0)]]
|
||||
var texture_diffuse: texture_2d<f32>;
|
||||
[[group(0), binding(1)]]
|
||||
var sampler_diffuse: sampler;
|
||||
|
||||
[[group(0), binding(0)]] var sampler_diffuse: sampler;
|
||||
[[group(0), binding(1)]] var texture: texture_2d<f32>;
|
||||
|
||||
[[stage(fragment)]]
|
||||
fn main(in: VertexOutput) -> [[location(0)]] vec4<f32> {
|
||||
let object_color: vec4<f32> =
|
||||
textureSample(texture_diffuse, sampler_diffuse, in.texture_coordinates);
|
||||
textureSample(texture, sampler_diffuse, in.texture_coordinates);
|
||||
|
||||
let ambient_strength = 0.2;
|
||||
let ambient_color = light.color * ambient_strength;
|
||||
|
|
243
src/state.rs
243
src/state.rs
|
@ -1,6 +1,9 @@
|
|||
use std::time::Duration;
|
||||
use std::{
|
||||
collections::HashMap,
|
||||
time::{Duration, Instant},
|
||||
};
|
||||
|
||||
use cgmath::{InnerSpace, Rotation3};
|
||||
use cgmath::{EuclideanSpace, InnerSpace, Rad};
|
||||
use wgpu::util::{BufferInitDescriptor, DeviceExt};
|
||||
use winit::{
|
||||
event::{DeviceEvent, ElementState, KeyboardInput, VirtualKeyCode},
|
||||
|
@ -9,6 +12,7 @@ use winit::{
|
|||
|
||||
use crate::{
|
||||
camera::{Camera, Projection},
|
||||
chunk::{Block, BlockType, Chunk},
|
||||
cube,
|
||||
instance::{Instance, InstanceRaw},
|
||||
light::Light,
|
||||
|
@ -17,8 +21,6 @@ use crate::{
|
|||
vertex::Vertex,
|
||||
};
|
||||
|
||||
const NUM_INSTANCES_PER_ROW: u32 = 10;
|
||||
|
||||
pub struct State {
|
||||
render_surface: wgpu::Surface,
|
||||
render_device: wgpu::Device,
|
||||
|
@ -29,10 +31,10 @@ pub struct State {
|
|||
render_pipeline: wgpu::RenderPipeline,
|
||||
vertex_buffer: wgpu::Buffer,
|
||||
index_buffer: wgpu::Buffer,
|
||||
texture_bind_group: wgpu::BindGroup,
|
||||
texture_bind_groups: HashMap<BlockType, wgpu::BindGroup>,
|
||||
uniform_bind_group: wgpu::BindGroup,
|
||||
instances: Vec<Instance>,
|
||||
instance_buffer: wgpu::Buffer,
|
||||
instance_lists: Vec<(BlockType, Vec<Instance>)>,
|
||||
instance_buffers: Vec<(BlockType, wgpu::Buffer)>,
|
||||
depth_texture: Texture,
|
||||
_light: Light,
|
||||
_light_buffer: wgpu::Buffer,
|
||||
|
@ -129,8 +131,12 @@ impl State {
|
|||
.request_device(
|
||||
&wgpu::DeviceDescriptor {
|
||||
label: Some("render_device"),
|
||||
features: wgpu::Features::NON_FILL_POLYGON_MODE,
|
||||
limits: wgpu::Limits::default(),
|
||||
features: wgpu::Features::NON_FILL_POLYGON_MODE
|
||||
| wgpu::Features::SAMPLED_TEXTURE_BINDING_ARRAY,
|
||||
limits: wgpu::Limits {
|
||||
max_push_constant_size: 4,
|
||||
..wgpu::Limits::default()
|
||||
},
|
||||
},
|
||||
None,
|
||||
)
|
||||
|
@ -165,63 +171,84 @@ impl State {
|
|||
fn create_textures(
|
||||
render_device: &wgpu::Device,
|
||||
queue: &wgpu::Queue,
|
||||
) -> (wgpu::BindGroupLayout, wgpu::BindGroup) {
|
||||
let texture = Texture::from_bytes(
|
||||
) -> (wgpu::BindGroupLayout, HashMap<BlockType, wgpu::BindGroup>) {
|
||||
let dirt_texture = Texture::from_bytes(
|
||||
render_device,
|
||||
queue,
|
||||
include_bytes!("../assets/block/cobblestone.png"),
|
||||
"dirt_diffuse",
|
||||
include_bytes!("../assets/block/dirt.png"),
|
||||
"dirt",
|
||||
)
|
||||
.unwrap();
|
||||
|
||||
let texture_bind_group_layout =
|
||||
let cobblestone_texture = Texture::from_bytes(
|
||||
render_device,
|
||||
queue,
|
||||
include_bytes!("../assets/block/cobblestone.png"),
|
||||
"cobblestone",
|
||||
)
|
||||
.unwrap();
|
||||
|
||||
let sampler = render_device.create_sampler(&wgpu::SamplerDescriptor::default());
|
||||
|
||||
let bind_group_layout =
|
||||
render_device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
|
||||
label: Some("texture_bind_group_layout"),
|
||||
entries: &[
|
||||
wgpu::BindGroupLayoutEntry {
|
||||
binding: 0,
|
||||
visibility: wgpu::ShaderStage::FRAGMENT,
|
||||
ty: wgpu::BindingType::Texture {
|
||||
multisampled: false,
|
||||
view_dimension: wgpu::TextureViewDimension::D2,
|
||||
sample_type: wgpu::TextureSampleType::Float { filterable: true },
|
||||
},
|
||||
count: None,
|
||||
},
|
||||
wgpu::BindGroupLayoutEntry {
|
||||
binding: 1,
|
||||
visibility: wgpu::ShaderStage::FRAGMENT,
|
||||
ty: wgpu::BindingType::Sampler {
|
||||
comparison: false,
|
||||
filtering: true,
|
||||
},
|
||||
count: None,
|
||||
},
|
||||
wgpu::BindGroupLayoutEntry {
|
||||
binding: 1,
|
||||
visibility: wgpu::ShaderStage::FRAGMENT,
|
||||
ty: wgpu::BindingType::Texture {
|
||||
sample_type: wgpu::TextureSampleType::Float { filterable: true },
|
||||
view_dimension: wgpu::TextureViewDimension::D2,
|
||||
multisampled: false,
|
||||
},
|
||||
count: None,
|
||||
},
|
||||
],
|
||||
});
|
||||
|
||||
let texture_bind_group = render_device.create_bind_group(&wgpu::BindGroupDescriptor {
|
||||
label: Some("dirt_diffuse_bind_group"),
|
||||
layout: &texture_bind_group_layout,
|
||||
entries: &[
|
||||
wgpu::BindGroupEntry {
|
||||
binding: 0,
|
||||
resource: wgpu::BindingResource::TextureView(&texture.view),
|
||||
},
|
||||
wgpu::BindGroupEntry {
|
||||
binding: 1,
|
||||
resource: wgpu::BindingResource::Sampler(&texture.sampler),
|
||||
},
|
||||
],
|
||||
});
|
||||
let bind_groups: HashMap<BlockType, wgpu::BindGroup> = [
|
||||
(BlockType::Dirt, dirt_texture),
|
||||
(BlockType::Cobblestone, cobblestone_texture),
|
||||
]
|
||||
.iter()
|
||||
.map(|(block_type, texture)| {
|
||||
(
|
||||
*block_type,
|
||||
render_device.create_bind_group(&wgpu::BindGroupDescriptor {
|
||||
label: Some("texture_bind_group"),
|
||||
layout: &bind_group_layout,
|
||||
entries: &[
|
||||
wgpu::BindGroupEntry {
|
||||
binding: 0,
|
||||
resource: wgpu::BindingResource::Sampler(&sampler),
|
||||
},
|
||||
wgpu::BindGroupEntry {
|
||||
binding: 1,
|
||||
resource: wgpu::BindingResource::TextureView(&texture.view),
|
||||
},
|
||||
],
|
||||
}),
|
||||
)
|
||||
})
|
||||
.collect();
|
||||
|
||||
(texture_bind_group_layout, texture_bind_group)
|
||||
(bind_group_layout, bind_groups)
|
||||
}
|
||||
|
||||
fn create_camera(swap_chain_descriptor: &wgpu::SwapChainDescriptor) -> (Camera, Projection) {
|
||||
let camera = Camera::new(
|
||||
(0.0, 5.0, 10.0).into(),
|
||||
cgmath::Deg(-90.0).into(),
|
||||
cgmath::Deg(0.0).into(),
|
||||
cgmath::Deg(-20.0).into(),
|
||||
);
|
||||
|
||||
|
@ -334,49 +361,83 @@ impl State {
|
|||
)
|
||||
}
|
||||
|
||||
fn create_instances(render_device: &wgpu::Device) -> (Vec<Instance>, wgpu::Buffer) {
|
||||
let instances = (0..NUM_INSTANCES_PER_ROW as i32)
|
||||
.flat_map(|z| {
|
||||
(0..NUM_INSTANCES_PER_ROW as i32).map(move |x| {
|
||||
let position = cgmath::Vector3 {
|
||||
x: (x - NUM_INSTANCES_PER_ROW as i32 / 2) as f32 * 2.0,
|
||||
y: 0.0,
|
||||
z: (z - NUM_INSTANCES_PER_ROW as i32 / 2) as f32 * 2.0,
|
||||
};
|
||||
fn create_instances(
|
||||
render_device: &wgpu::Device,
|
||||
chunk: &Chunk,
|
||||
) -> (
|
||||
Vec<(BlockType, Vec<Instance>)>,
|
||||
Vec<(BlockType, wgpu::Buffer)>,
|
||||
) {
|
||||
let instance_lists = chunk.to_instances();
|
||||
|
||||
let rotation = cgmath::Quaternion::from_axis_angle(
|
||||
cgmath::Vector3::unit_z(),
|
||||
cgmath::Deg(0.0),
|
||||
);
|
||||
let instance_buffers = instance_lists
|
||||
.iter()
|
||||
.map(|(block_type, instance_list)| {
|
||||
let instance_data: Vec<InstanceRaw> =
|
||||
instance_list.iter().map(Instance::to_raw).collect();
|
||||
|
||||
Instance { position, rotation }
|
||||
})
|
||||
(
|
||||
*block_type,
|
||||
render_device.create_buffer_init(&BufferInitDescriptor {
|
||||
label: Some("instance_buffer"),
|
||||
contents: bytemuck::cast_slice(&instance_data),
|
||||
usage: wgpu::BufferUsage::VERTEX,
|
||||
}),
|
||||
)
|
||||
})
|
||||
.collect::<Vec<_>>();
|
||||
.collect();
|
||||
|
||||
let instance_data = instances.iter().map(Instance::to_raw).collect::<Vec<_>>();
|
||||
let instance_buffer = render_device.create_buffer_init(&BufferInitDescriptor {
|
||||
label: Some("Instance Buffer"),
|
||||
contents: bytemuck::cast_slice(&instance_data),
|
||||
usage: wgpu::BufferUsage::VERTEX,
|
||||
});
|
||||
|
||||
(instances, instance_buffer)
|
||||
(instance_lists, instance_buffers)
|
||||
}
|
||||
|
||||
pub async fn new(window: &Window) -> Self {
|
||||
let size = window.inner_size();
|
||||
|
||||
let mut chunk = Chunk {
|
||||
blocks: [
|
||||
[[Some(Block {
|
||||
block_type: BlockType::Cobblestone,
|
||||
}); 16]; 16],
|
||||
[[Some(Block {
|
||||
block_type: BlockType::Dirt,
|
||||
}); 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
[[None; 16]; 16],
|
||||
],
|
||||
};
|
||||
|
||||
let (render_surface, adapter, render_device, queue) =
|
||||
Self::create_render_device(window).await;
|
||||
|
||||
let (swap_chain_descriptor, swap_chain) =
|
||||
Self::create_swap_chain(window, &adapter, &render_device, &render_surface);
|
||||
|
||||
let (texture_layout, texture_bind_group) = Self::create_textures(&render_device, &queue);
|
||||
let (texture_layout, texture_bind_groups) = Self::create_textures(&render_device, &queue);
|
||||
|
||||
let (camera, projection) = Self::create_camera(&swap_chain_descriptor);
|
||||
|
||||
let dda_start = Instant::now();
|
||||
let coll_pos = chunk
|
||||
.dda(camera.position.to_vec(), camera.direction())
|
||||
.unwrap();
|
||||
dbg!(dda_start.elapsed());
|
||||
|
||||
chunk.blocks[coll_pos.y][coll_pos.z][coll_pos.x] = Some(Block {
|
||||
block_type: BlockType::Cobblestone,
|
||||
});
|
||||
|
||||
let (uniforms, uniform_buffer, uniform_layout, uniform_bind_group) =
|
||||
Self::create_uniforms(&camera, &projection, &render_device);
|
||||
|
||||
|
@ -398,7 +459,7 @@ impl State {
|
|||
usage: wgpu::BufferUsage::INDEX,
|
||||
});
|
||||
|
||||
let (instances, instance_buffer) = Self::create_instances(&render_device);
|
||||
let (instance_lists, instance_buffers) = Self::create_instances(&render_device, &chunk);
|
||||
|
||||
let depth_texture =
|
||||
Texture::create_depth_texture(&render_device, &swap_chain_descriptor, "depth_texture");
|
||||
|
@ -416,11 +477,11 @@ impl State {
|
|||
uniforms,
|
||||
uniform_buffer,
|
||||
uniform_bind_group,
|
||||
texture_bind_group,
|
||||
texture_bind_groups,
|
||||
camera,
|
||||
projection,
|
||||
instances,
|
||||
instance_buffer,
|
||||
instance_lists,
|
||||
instance_buffers,
|
||||
depth_texture,
|
||||
_light: light,
|
||||
_light_buffer: light_buffer,
|
||||
|
@ -470,16 +531,23 @@ impl State {
|
|||
}
|
||||
}
|
||||
|
||||
fn update_camera(&mut self, dx: f64, dy: f64) {
|
||||
self.camera.yaw += Rad(dx as f32 * 0.005);
|
||||
self.camera.pitch -= Rad(dy as f32 * 0.005);
|
||||
|
||||
if self.camera.pitch < Rad::from(cgmath::Deg(-80.0)) {
|
||||
self.camera.pitch = Rad::from(cgmath::Deg(-80.0));
|
||||
} else if self.camera.pitch > Rad::from(cgmath::Deg(89.0)) {
|
||||
self.camera.pitch = Rad::from(cgmath::Deg(89.0));
|
||||
}
|
||||
}
|
||||
|
||||
fn update_aim(&mut self) {}
|
||||
|
||||
fn input_mouse(&mut self, dx: f64, dy: f64) {
|
||||
if self.mouse_grabbed {
|
||||
self.camera.yaw += cgmath::Rad(dx as f32 * 0.005);
|
||||
self.camera.pitch -= cgmath::Rad(dy as f32 * 0.005);
|
||||
|
||||
if self.camera.pitch < cgmath::Rad::from(cgmath::Deg(-80.0)) {
|
||||
self.camera.pitch = cgmath::Rad::from(cgmath::Deg(-80.0));
|
||||
} else if self.camera.pitch > cgmath::Rad::from(cgmath::Deg(89.0)) {
|
||||
self.camera.pitch = cgmath::Rad::from(cgmath::Deg(89.0));
|
||||
}
|
||||
self.update_camera(dx, dy);
|
||||
self.update_aim();
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -551,20 +619,25 @@ impl State {
|
|||
|
||||
render_pass.set_pipeline(&self.render_pipeline);
|
||||
|
||||
render_pass.set_bind_group(0, &self.texture_bind_group, &[]);
|
||||
render_pass.set_bind_group(1, &self.uniform_bind_group, &[]);
|
||||
render_pass.set_bind_group(2, &self.light_bind_group, &[]);
|
||||
|
||||
render_pass.set_vertex_buffer(0, self.vertex_buffer.slice(..));
|
||||
render_pass.set_vertex_buffer(1, self.instance_buffer.slice(..));
|
||||
|
||||
render_pass.set_index_buffer(self.index_buffer.slice(..), wgpu::IndexFormat::Uint16);
|
||||
|
||||
render_pass.draw_indexed(
|
||||
0..cube::INDICES.len() as u32,
|
||||
0,
|
||||
0..self.instances.len() as u32,
|
||||
);
|
||||
for (i, (block_type, instance_list)) in self.instance_lists.iter().enumerate() {
|
||||
let (_, instance_buffer) = &self.instance_buffers[i];
|
||||
|
||||
let texture_bind_group = &self.texture_bind_groups[block_type];
|
||||
render_pass.set_bind_group(0, texture_bind_group, &[]);
|
||||
|
||||
render_pass.set_vertex_buffer(1, instance_buffer.slice(..));
|
||||
render_pass.draw_indexed(
|
||||
0..cube::INDICES.len() as u32,
|
||||
0,
|
||||
0..instance_list.len() as u32,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
self.queue.submit(std::iter::once(render_encoder.finish()));
|
||||
|
|
|
@ -4,7 +4,7 @@ use image::EncodableLayout;
|
|||
|
||||
pub struct Texture {
|
||||
pub texture: wgpu::Texture,
|
||||
pub sampler: wgpu::Sampler,
|
||||
pub sampler: Option<wgpu::Sampler>,
|
||||
pub view: wgpu::TextureView,
|
||||
}
|
||||
|
||||
|
@ -48,7 +48,7 @@ impl Texture {
|
|||
|
||||
Self {
|
||||
texture,
|
||||
sampler,
|
||||
sampler: Some(sampler),
|
||||
view,
|
||||
}
|
||||
}
|
||||
|
@ -94,20 +94,16 @@ impl Texture {
|
|||
texture_size,
|
||||
);
|
||||
|
||||
let view = texture.create_view(&wgpu::TextureViewDescriptor::default());
|
||||
let sampler = device.create_sampler(&wgpu::SamplerDescriptor {
|
||||
address_mode_u: wgpu::AddressMode::ClampToEdge,
|
||||
address_mode_v: wgpu::AddressMode::ClampToEdge,
|
||||
address_mode_w: wgpu::AddressMode::ClampToEdge,
|
||||
mag_filter: wgpu::FilterMode::Linear,
|
||||
min_filter: wgpu::FilterMode::Nearest,
|
||||
mipmap_filter: wgpu::FilterMode::Nearest,
|
||||
..wgpu::SamplerDescriptor::default()
|
||||
let view = texture.create_view(&wgpu::TextureViewDescriptor {
|
||||
label: Some(&format!("texture_view_{}", label)),
|
||||
dimension: Some(wgpu::TextureViewDimension::D2),
|
||||
array_layer_count: NonZeroU32::new(1),
|
||||
..wgpu::TextureViewDescriptor::default()
|
||||
});
|
||||
|
||||
Ok(Self {
|
||||
texture,
|
||||
sampler,
|
||||
sampler: None,
|
||||
view,
|
||||
})
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue