From 30b6143703b32d4234e753abf24e2f8185b131bb Mon Sep 17 00:00:00 2001
From: Able <abl3theabove@gmail.com>
Date: Tue, 29 Mar 2022 22:42:14 -0500
Subject: [PATCH] Chunk Work

---
 src/chunk.rs       | 44 +++++++++++++++++++++++++++++++++++++++++++-
 src/config.rs      |  4 ++--
 src/coordinates.rs |  6 ++++++
 src/main.rs        | 34 +++++++++++++++++++++++++---------
 src/vertex.rs      |  3 +++
 src/voxel.rs       |  2 ++
 6 files changed, 81 insertions(+), 12 deletions(-)
 create mode 100644 src/vertex.rs

diff --git a/src/chunk.rs b/src/chunk.rs
index cb32796..86069bc 100644
--- a/src/chunk.rs
+++ b/src/chunk.rs
@@ -1 +1,43 @@
-pub struct Chunk {}
+use crate::{config::CHUNK_SIZE, vertex::Vertex, voxel::VoxelData};
+
+/// “even-r” chunk.
+#[derive(Debug, Copy, Clone, Default)]
+pub struct Chunk {
+    inner_data: [[[VoxelData; CHUNK_SIZE]; CHUNK_SIZE]; CHUNK_SIZE],
+    chunk_position: Coordinates,
+}
+
+impl Chunk {
+    pub fn new() -> Self {
+        Self {
+            inner_data: [[[VoxelData::default(); CHUNK_SIZE]; CHUNK_SIZE]; CHUNK_SIZE],
+            chunk_position: Coordinates::default(),
+        }
+    }
+
+    pub fn half_chunk_filled() -> Self {
+        let mut chunk = Self::new();
+        for x in 0..CHUNK_SIZE / 2 {
+            for y in 0..CHUNK_SIZE / 2 {
+                for z in 0..CHUNK_SIZE / 2 {
+                    chunk.inner_data[x][y][z] = VoxelData {
+                        id: 1,
+                        light_level: VoxelData::default().light_level,
+                    };
+                }
+            }
+        }
+        chunk
+    }
+
+    pub fn get_voxel(&self, x: usize, y: usize, z: usize) -> VoxelData {
+        self.inner_data[x][y][z]
+    }
+    pub fn set_voxel(&mut self, x: usize, y: usize, z: usize, voxel: VoxelData) {
+        self.inner_data[x][y][z] = voxel;
+    }
+    pub fn construct_vertexes(&self) -> Vec<Vertex> {
+        Vec::new()
+    }
+}
+use crate::coordinates::Coordinates;
diff --git a/src/config.rs b/src/config.rs
index 4957c1a..3f67c07 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,5 +1,5 @@
 //! A few constants to make standardizing sizes easier.
 
-pub const CHUNK_RADIUS: u8 = 3;
-pub const CHUNK_HEIGHT: u8 = 4;
+pub const CHUNK_SIZE: usize = 32;
+
 pub const PLAYER_HEIGHT: f64 = 1.7;
diff --git a/src/coordinates.rs b/src/coordinates.rs
index 93c0ff4..ef0d44d 100644
--- a/src/coordinates.rs
+++ b/src/coordinates.rs
@@ -119,3 +119,9 @@ impl Mul for Hex {
 }
 
 use std::ops::{Add, Div, Mul, Sub};
+#[derive(Debug, Copy, Clone, Default)]
+pub struct Coordinates {
+    pub x: f32,
+    pub y: f32,
+    pub z: f32,
+}
diff --git a/src/main.rs b/src/main.rs
index 1e829b6..486b991 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,8 +13,18 @@ pub mod chunk;
 pub mod config;
 pub mod coordinates;
 pub mod textures;
+pub mod vertex;
 pub mod voxel;
 fn main() {
+    let chunk = chunk::Chunk::half_chunk_filled();
+    println!("{:?}", chunk);
+}
+
+mod teapot;
+
+pub type ShaderList = HashMap<String, glium::Program>;
+
+pub fn bruh() {
     let event_loop = glutin::event_loop::EventLoop::new();
     let wb = glutin::window::WindowBuilder::new()
         .with_title("Voxel Engine")
@@ -24,15 +34,24 @@ fn main() {
 
     let display = glium::Display::new(wb, cb, &event_loop).unwrap();
 
-    // let mut shaders = HashMap::new();
-
     let vertex_shader_src = include_str!("../assets/shaders/teapot/teapot.vert");
     let fragment_shader_src = include_str!("../assets/shaders/teapot/teapot.frag");
 
-    let program =
+    let teapot_program =
         glium::Program::from_source(&display, vertex_shader_src, fragment_shader_src, None)
             .unwrap();
 
+    let water_vertex_shader_src = include_str!("../assets/shaders/water/water.vert");
+    let water_fragment_shader_src = include_str!("../assets/shaders/water/water.frag");
+
+    let water_program = glium::Program::from_source(
+        &display,
+        water_vertex_shader_src,
+        water_fragment_shader_src,
+        None,
+    )
+    .unwrap();
+
     event_loop.run(move |event, _, control_flow| {
         use glutin::event::Event::*;
         match event {
@@ -124,20 +143,17 @@ fn main() {
                 .draw(
                     (&positions, &normals),
                     &indices,
-                    &program,
+                    &teapot_program,
                     &uniform! { matrix: matrix, u_light: light },
                     &params,
                 )
                 .unwrap();
         }
 
-        { // Water Stage
+        {
+            // Water Stage
         }
 
         target.finish().unwrap();
     });
 }
-
-mod teapot;
-
-pub type ShaderList = HashMap<String, glium::Program>;
diff --git a/src/vertex.rs b/src/vertex.rs
new file mode 100644
index 0000000..07c120f
--- /dev/null
+++ b/src/vertex.rs
@@ -0,0 +1,3 @@
+pub struct Vertex {
+    position: (f32, f32, f32),
+}
diff --git a/src/voxel.rs b/src/voxel.rs
index ab03692..a401b35 100644
--- a/src/voxel.rs
+++ b/src/voxel.rs
@@ -1,4 +1,5 @@
 #[repr(C)]
+#[derive(Debug, Copy, Clone, Default)]
 pub struct Light {
     pub red: u8,
     pub green: u8,
@@ -6,6 +7,7 @@ pub struct Light {
     pub sun: u8,
 }
 
+#[derive(Debug, Copy, Clone, Default)]
 pub struct VoxelData {
     pub id: u32,
     pub light_level: Light,