Begin stubbing out voxel and chunk classes.

packages/voxel_mesher/src/chunk.rs

@@ -0,0 +1,59 @@
+struct Chunk {
+  dimensions: [u16; 3],
+  data: Vec<u16>,
+  palette: Vec<String>,
+}
+
+impl Chunk {
+  fn new (
+    dimensions: [u16; 3]
+  ) -> Chunk {
+    let mut data = Vec::<u16>::new();
+    let palette = Vec::<String>::new();
+
+    data.resize((dimensions[0] * dimensions[1] * dimensions[2]) as usize, 0);
+    Chunk {
+      dimensions,
+      data,
+      palette
+    }
+  }
+
+  fn pos_to_idx (&self, x: u16, y: u16, z: u16) -> usize {
+    let [max_x, max_y, _] = self.dimensions;
+    ((z * max_x * max_y) + (y * max_y) + x) as usize
+  }
+
+  fn idx_to_pos (&self, idx: usize) -> (u16, u16, u16) {
+    let [max_x, max_y, _] = self.dimensions;
+
+    let z = idx as u16 / (max_x * max_y);
+    let i2 = idx as u16 - (z * max_x * max_y);
+    let y = i2 / max_x;
+    let x = i2 % max_x;
+
+    (x, y, z)
+  }
+
+  fn set_at_pos (&mut self, x: u16, y: u16, z: u16, name: String) {
+    let idx = self.pos_to_idx(x, y, z);
+    self.set_at_idx(idx, name)
+  }
+
+  fn set_at_idx (&mut self, idx: usize, name: String) {
+    let voxel_id;
+
+    if let Some(i) = self.palette.iter().position(|palette_name| palette_name == &name) {
+      voxel_id = i;
+    } else {
+      self.palette.push(name);
+      voxel_id = self.palette.len() - 1;
+    }
+
+    self.data[idx] = voxel_id as u16;
+  }
+}
+
+struct ChunkMap {
+
+}

packages/voxel_mesher/src/lib.rs

@@ -1,4 +1,5 @@
 use gdnative::prelude::*;
+mod chunk;
 
 // ```
 // 0     1

packages/voxel_mesher/src/voxel.rs

@@ -0,0 +1,23 @@
+struct Voxel {
+  name: String,
+  transparency: u8,
+  material: String
+}
+
+impl Voxel {
+  fn new(
+    name: String,
+    transparency: u8,
+    material: String
+  ) {
+    Voxel {
+      name,
+      transparency,
+      material
+    }
+  }
+}
+
+struct VoxelMap {
+  map: HashMap<String, Voxel>
+}

packages/voxel_mesher/voxel_mesher.gdnlib

@@ -1,14 +1,14 @@
-[entry]
-
-X11.64="res://packages/voxel_mesher/target/release/libtest.so"
-
-[dependencies]
-
-X11.64=[  ]
-
 [general]
 
 singleton=false
 load_once=true
 symbol_prefix="godot_"
 reloadable=true
+
+[entry]
+
+X11.64="res://packages/voxel_mesher/target/debug/libtest.so"
+
+[dependencies]
+
+X11.64=[  ]