asuro/rust-engine
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Simple normal map implementation

Browse Source
This commit is contained in:
Asuro
2020-10-26 18:15:39 +01:00
parent 9687f5ec89
commit 38ea41b550
6 changed files with 56 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/main.rs
View File

@@ -104,11 +104,11 @@ fn _matrix_vector_mul(matrix: &Matrix4<f32>, vector: &Vector3<f32>) -> Vector3<f
impl TestGame {
fn game_start(self: &mut Self, renderer: &mut VulkanRenderer) {
let cube = self.add_from_gltf(renderer, "models/box.glb");
cube.get_game_object(renderer).unwrap().position = vec3(3.0, 4.0, 5.0);
let sphere = self.add_from_gltf(renderer, "models/sphere.glb");
sphere.get_game_object(renderer).unwrap().position = vec3(0.0, 0.0, 0.0);
// let cube = self.add_from_gltf(renderer, "models/box.glb");
// cube.get_game_object(renderer).unwrap().position = vec3(3.0, 4.0, 5.0);
//
// let sphere = self.add_from_gltf(renderer, "models/sphere.glb");
// sphere.get_game_object(renderer).unwrap().position = vec3(0.0, 0.0, 0.0);
let plane = self.add_from_gltf(renderer, "models/plane.glb");
plane.get_game_object(renderer).unwrap().position = vec3(0.0, -1.0, 0.0);

40
src/mesh.rs
View File

@@ -1,9 +1,10 @@
use crate::vulkan::Vertex;
use std::time::SystemTime;
use gltf::mesh::util::{ReadPositions, ReadTexCoords, ReadNormals, ReadJoints, ReadWeights};
use gltf::Error;
use gltf::mesh::util::{ReadJoints, ReadNormals, ReadPositions, ReadTangents, ReadTexCoords, ReadWeights};
use crate::mesh::LoadError::{GltfError, MeshDataMissing, NoIndices};
use crate::vulkan::Vertex;
#[derive(Debug)]
pub enum LoadError {
@@ -52,9 +53,16 @@ pub fn load_mesh(mesh_path: &str, print_status: bool) -> Result<(Vec<CPUMesh>, V
let texture_index = primitive.material().pbr_metallic_roughness().base_color_texture().map(|tex_info| tex_info.texture().index());
let normal_map_index = primitive.material().normal_texture().map(|tex_info| tex_info.texture().index());
let reader = primitive.reader(|buffer| Some(&buffers[buffer.index()]));
let indices = reader.read_indices().ok_or(NoIndices)?;
let vertices_result = create_vertices(reader.read_positions(), reader.read_tex_coords(0), reader.read_normals(), reader.read_joints(0), reader.read_weights(0));
let vertices_result = create_vertices(
reader.read_positions(),
reader.read_tex_coords(0),
reader.read_normals(),
reader.read_tangents(),
reader.read_joints(0),
reader.read_weights(0));
let vertices = vertices_result?;
let cpu_mesh = CPUMesh {
vertices,
@@ -90,18 +98,21 @@ pub fn load_mesh(mesh_path: &str, print_status: bool) -> Result<(Vec<CPUMesh>, V
fn create_vertices(positions: Option<ReadPositions>,
tex_coords: Option<ReadTexCoords>,
normals: Option<ReadNormals>,
tangents: Option<ReadTangents>,
joints: Option<ReadJoints>,
weights: Option<ReadWeights>)
-> Result<Vec<Vertex>, String> {
match (positions, tex_coords, normals, joints, weights) {
match (positions, tex_coords, normals, tangents, joints, weights) {
(Some(positions),
Some(tex_coords),
Some(normals),
Some(tangents),
Some(joints),
Some(weights)) => {
Ok(positions
.zip(tex_coords.into_f32())
.zip(normals)
.zip(tangents)
.zip(joints.into_u16().map(|arr| {
let mut casted_joints: [i32; 4] = [0; 4];
for i in 0..4 {
@@ -110,10 +121,11 @@ fn create_vertices(positions: Option<ReadPositions>,
casted_joints
}))
.zip(weights.into_f32())
.map(|((((p, t), n), i), w)| Vertex {
.map(|(((((p, t), n), ta), i), w)| Vertex {
position: p,
uv: t,
normal: n,
tangent: ta,
bone_index: i,
bone_weight: w
}).collect())
@@ -121,22 +133,26 @@ fn create_vertices(positions: Option<ReadPositions>,
(Some(positions),
Some(tex_coords),
Some(normals),
Some(tangents),
None, None) => {
Ok(positions
.zip(tex_coords.into_f32())
.zip(normals)
.map(|((p, t), n)| Vertex {
.zip(tangents)
.map(|(((p, t), n), ta)| Vertex {
position: p,
uv: t,
normal: n,
tangent: ta,
bone_index: [-1; 4],
bone_weight: [0.0; 4]
}).collect())
},
(None, _, _, _, _) => Err("Vertex positions missing!".to_string()),
(_, None, _, _, _) => Err("Tex coords missing!".to_string()),
(_, _, None, _, _) => Err("Normals missing!".to_string()),
(_, _, _, Some(_), None) => Err("Bone indices exist, but bone weights are missing!".to_string()),
(_, _, _, None, Some(_)) => Err("Bone weights exist, but bone incides are missing!".to_string()),
(None, _, _, _, _, _) => Err("Vertex positions missing!".to_string()),
(_, None, _, _, _, _) => Err("Tex coords missing!".to_string()),
(_, _, None, _, _, _) => Err("Normals missing!".to_string()),
(_, _, _, None, _, _) => Err("Tangents missing!".to_string()),
(_, _, _, _, Some(_), None) => Err("Bone indices exist, but bone weights are missing!".to_string()),
(_, _, _, _, None, Some(_)) => Err("Bone weights exist, but bone incides are missing!".to_string()),
}
}

5
src/vulkan.rs
View File

@@ -30,8 +30,8 @@ use winit::window::{Window, WindowBuilder};
use line_vs::ty::LinePushConstants;
use vs::ty::PushConstants;
use crate::mesh::CPUMesh;
use crate::gameobject::{GameObject, GameObjectHandle};
use crate::mesh::CPUMesh;
const VALIDATION_LAYERS: &[&str] = &[
];
@@ -41,10 +41,11 @@ pub struct Vertex {
pub position: [f32; 3],
pub uv: [f32; 2],
pub normal: [f32; 3],
pub tangent: [f32; 4],
pub bone_index: [i32; 4],
pub bone_weight: [f32; 4],
}
vulkano::impl_vertex!(Vertex, position, uv, normal, bone_index, bone_weight);
vulkano::impl_vertex!(Vertex, position, uv, normal, tangent, bone_index, bone_weight);
#[derive(Default, Debug, Clone)]
pub struct LinePoint {