Merge branch 'return_of_the_crab'

.drone.yml

@@ -0,0 +1,9 @@
+kind: pipeline
+type: docker
+name: frontend
+
+steps:
+  - name: dependencies
+    image: rust:slim
+    commands:
+      - cargo doc

Cargo.lock

@@ -85,6 +85,12 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
+[[package]]
+name = "base64"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
+
 [[package]]
 name = "bit-set"
 version = "0.5.2"
@@ -805,6 +811,43 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "gltf"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ff38b75359a0096dd0a8599b6e4f37a6ee41d5df300cc7669e62aafa697f7a2"
+dependencies = [
+ "base64",
+ "byteorder",
+ "gltf-json",
+ "image",
+ "lazy_static",
+]
+
+[[package]]
+name = "gltf-derive"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f2a9333e0f9c7bca94dfc20bcf44fa12a61eeec662d6e007563ff748aa59c70"
+dependencies = [
+ "inflections",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "gltf-json"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1414d3a98cbaabdb2f134328b1f6036d14b282febc1df51952a435d2ca17fb6"
+dependencies = [
+ "gltf-derive",
+ "serde",
+ "serde_derive",
+ "serde_json",
+]
+
 [[package]]
 name = "gpu-alloc"
 version = "0.4.7"
@@ -903,6 +946,12 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "inflections"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a257582fdcde896fd96463bf2d40eefea0580021c0712a0e2b028b60b47a837a"
+
 [[package]]
 name = "inplace_it"
 version = "0.3.3"
@@ -921,6 +970,12 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "itoa"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
+
 [[package]]
 name = "jni-sys"
 version = "0.3.0"
@@ -1058,6 +1113,7 @@ dependencies = [
  "cgmath",
  "env_logger",
  "futures",
+ "gltf",
  "image",
  "log",
  "noise",
@@ -1537,6 +1593,12 @@ version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
+[[package]]
+name = "ryu"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
+
 [[package]]
 name = "scoped_threadpool"
 version = "0.1.9"
@@ -1555,6 +1617,28 @@ version = "1.0.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
 
+[[package]]
+name = "serde_derive"
+version = "1.0.126"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "963a7dbc9895aeac7ac90e74f34a5d5261828f79df35cbed41e10189d3804d43"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.3"

Cargo.toml

@@ -6,6 +6,7 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+gltf = "0.16"
 ahash = "0.7.4"
 anyhow = "1.0.40"
 bytemuck = { version = "1.5.1", features = ["derive"] }

src/main.rs

@@ -11,6 +11,7 @@ mod time;
 mod vertex;
 mod view;
 mod world;
+mod npc;
 
 use std::time::{Duration, Instant};
 use wgpu::SwapChainError;

src/npc.rs

@@ -0,0 +1,65 @@
+extern crate gltf;
+extern crate wgpu;
+
+use cgmath::Vector3;
+
+use crate::vertex::BlockVertex;
+
+pub struct Npc {
+    pub position: Vector3<f32>,
+    pub scale: Vector3<f32>,
+    pub rotation: Vector3<f32>,
+    pub vertices: Vec<BlockVertex>,
+    pub indices: Vec<u32>,
+    pub vertex_buffer: Option<wgpu::Buffer>,
+    pub index_buffer: Option<wgpu::Buffer>,
+}
+
+impl Npc {
+    pub fn load() -> Self {
+        let position: Vector3<f32> = Vector3::new(0.0, 0.0, 0.0);
+        let scale: Vector3<f32> = Vector3::new(0.0, 0.0, 0.0);
+        let rotation: Vector3<f32> = Vector3::new(0.0, 0.0, 0.0);
+
+        let (model, buffers, _) = gltf::import("assets/models/minecrab.glb").unwrap();
+
+        let mut indices = Vec::new();
+        let mut vertices = Vec::new();
+
+        for mesh in model.meshes() {
+            for primitive in mesh.primitives() {
+                let reader = primitive.reader(|buffer| Some(&buffers[buffer.index()]));
+                indices = reader.read_indices().unwrap().into_u32().collect();
+
+                // loop over all primitives and get the normals, position and color
+                let pos_iter = reader.read_positions().unwrap();
+                let norm_iter = reader.read_normals().unwrap();
+                let tex_iter = reader.read_tex_coords(0).unwrap().into_f32();
+
+                for ((position, normal), texture_coordinates) in
+                    pos_iter.zip(norm_iter).zip(tex_iter)
+                {
+                    let current_vert = BlockVertex {
+                        position,
+                        texture_coordinates,
+                        normal,
+                        highlighted: 0,
+                        texture_id: 0,
+                    };
+
+                    vertices.push(current_vert);
+                }
+            }
+        }
+
+        return Self {
+            position,
+            scale,
+            rotation,
+            indices,
+            vertices,
+            vertex_buffer: None,
+            index_buffer: None,
+        };
+    }
+}

src/state/world_state.rs

@@ -50,6 +50,7 @@ pub struct WorldState {
 
     pub up_speed: f32,
     pub sprinting: bool,
+    pub creative: bool,
 }
 
 impl WorldState {
@@ -234,6 +235,24 @@ impl WorldState {
         println!("World update took {:?}", elapsed);
     }
 
+    pub fn load_npc_geometry(&mut self, render_context: &RenderContext) {
+        self.world.npc.vertex_buffer = Some(render_context.device.create_buffer_init(
+            &BufferInitDescriptor {
+                label: None,
+                contents: &bytemuck::cast_slice(&self.world.npc.vertices),
+                usage: wgpu::BufferUsage::VERTEX,
+            },
+        ));
+
+        self.world.npc.index_buffer = Some(render_context.device.create_buffer_init(
+            &BufferInitDescriptor {
+                label: None,
+                contents: &bytemuck::cast_slice(&self.world.npc.indices),
+                usage: wgpu::BufferUsage::INDEX,
+            },
+        ));
+    }
+
     pub fn update_chunk_geometry(
         &mut self,
         render_context: &RenderContext,
@@ -326,9 +345,11 @@ impl WorldState {
             backward_pressed: false,
             left_pressed: false,
             right_pressed: false,
+            creative: false,
         };
 
         world_state.update_world_geometry(render_context);
+        world_state.load_npc_geometry(render_context);
 
         world_state
     }
@@ -383,6 +404,16 @@ impl WorldState {
             triangle_count += buffers.index_count / 3;
         }
 
+        {
+            let vertex_buffer = self.world.npc.vertex_buffer.as_ref();
+            let index_buffer = self.world.npc.index_buffer.as_ref();
+
+            render_pass.set_vertex_buffer(0, vertex_buffer.unwrap().slice(..));
+            render_pass
+                .set_index_buffer(index_buffer.unwrap().slice(..), wgpu::IndexFormat::Uint32);
+            render_pass.draw_indexed(0..self.world.npc.indices.len() as u32, 0, 0..1);
+        }
+
         triangle_count
     }
 
@@ -459,7 +490,21 @@ impl WorldState {
             VirtualKeyCode::S => self.backward_pressed = pressed,
             VirtualKeyCode::A => self.left_pressed = pressed,
             VirtualKeyCode::D => self.right_pressed = pressed,
-            VirtualKeyCode::Space if state == ElementState::Pressed => self.up_speed = 0.6,
+            VirtualKeyCode::F2 if pressed => self.creative = !self.creative,
+            VirtualKeyCode::Space => {
+                self.up_speed = if self.creative {
+                    if pressed {
+                        1.0
+                    } else {
+                        0.0
+                    }
+                } else {
+                    0.6
+                }
+            }
+            VirtualKeyCode::LShift if self.creative => {
+                self.up_speed = if pressed { -1.0 } else { 0.0 }
+            }
             VirtualKeyCode::LControl => self.sprinting = state == ElementState::Pressed,
             _ => (),
         }
@@ -485,7 +530,7 @@ impl WorldState {
 
         let up = Vector3::unit_y() * self.up_speed * speed * dt_seconds;
         new_position += up;
-        if self.check_collision(new_position) {
+        if !self.creative && self.check_collision(new_position) {
             new_position -= up;
             self.up_speed = 0.0;
         }
@@ -494,7 +539,7 @@ impl WorldState {
         let forward = Vector3::new(yaw_cos, 0.0, yaw_sin).normalize();
         let forward = forward * forward_speed as f32 * speed * dt_seconds;
         new_position += forward;
-        if self.check_collision(new_position) {
+        if !self.creative && self.check_collision(new_position) {
             new_position -= forward;
         }
 
@@ -502,14 +547,16 @@ impl WorldState {
         let right = Vector3::new(-yaw_sin, 0.0, yaw_cos).normalize();
         let right = right * right_speed as f32 * speed * dt_seconds;
         new_position += right;
-        if self.check_collision(new_position) {
+        if !self.creative && self.check_collision(new_position) {
             new_position -= right;
         }
 
         self.camera.position = new_position;
 
-        self.up_speed -= 1.6 * dt.as_secs_f32();
-        self.up_speed *= 0.98_f32.powf(dt.as_secs_f32() / 20.0);
+        if !self.creative {
+            self.up_speed -= 1.6 * dt.as_secs_f32();
+            self.up_speed *= 0.98_f32.powf(dt.as_secs_f32() / 20.0);
+        }
     }
 
     pub fn update(&mut self, dt: Duration, render_context: &RenderContext) {

src/world.rs

@@ -1,6 +1,7 @@
 use crate::{
     chunk::{Block, Chunk, CHUNK_SIZE},
     geometry::Geometry,
+    npc::Npc,
     vertex::BlockVertex,
 };
 use cgmath::{InnerSpace, Vector3};
@@ -8,6 +9,7 @@ use rayon::prelude::*;
 
 pub struct World {
     pub chunks: Vec<Vec<Vec<Chunk>>>,
+    pub npc: Npc,
 }
 
 const WORLD_SIZE: Vector3<usize> = Vector3::new(
@@ -20,6 +22,8 @@ impl World {
     pub fn generate() -> Self {
         let mut chunks = Vec::new();
 
+        let npc = Npc::load();
+
         (0..WORLD_SIZE.y)
             .into_par_iter()
             .map(|y| {
@@ -36,7 +40,7 @@ impl World {
             })
             .collect_into_vec(&mut chunks);
 
-        Self { chunks }
+        Self { chunks, npc }
     }
 
     pub fn highlighted_for_chunk(