re-working the editor nodes

de-coupling godot resources from internal runtime logic

src/meshing/binary_greedy_mesher.rs

@@ -1,5 +1,5 @@
 use crate::chunk::chunk::CHUNK_SIZE;
-use crate::chunk::{Chunk, ChunkMesh};
+use crate::chunk::{SubChunk, ChunkMesh};
 use crate::editor::voxel_registry::VoxelRegistry;
 use crate::meshing::Mesher;
 use godot::prelude::*;
@@ -20,7 +20,7 @@ impl BinaryGreedyMesher {
         Self
     }
 
-    pub fn generate_mesh(&self, chunk: &Chunk, mesh: &mut ChunkMesh) {
+    pub fn generate_mesh(&self, chunk: &SubChunk, mesh: &mut ChunkMesh) {
         mesh.vertices.clear();
         mesh.normals.clear();
         mesh.indices.clear();
@@ -34,7 +34,7 @@ impl BinaryGreedyMesher {
         self.mesh_face(chunk, mesh, 5); // +Z (forward)
     }
 
-    fn mesh_face(&self, chunk: &Chunk, mesh: &mut ChunkMesh, face_dir: usize) {
+    fn mesh_face(&self, chunk: &SubChunk, mesh: &mut ChunkMesh, face_dir: usize) {
         let size = CHUNK_SIZE as usize;
 
         // For each slice perpendicular to the face direction
@@ -191,7 +191,7 @@ impl BinaryGreedyMesher {
         quad: GreedyQuad,
         face_dir: usize,
         axis: usize,
-        chunk: &Chunk,
+        chunk: &SubChunk,
     ) {
         let base_idx = mesh.vertices.len() as i32;
 
@@ -297,13 +297,13 @@ impl BinaryGreedyMesher {
 }
 
 impl Mesher for BinaryGreedyMesher {
-    fn generate_mesh(&self, chunk: &Chunk, mesh: &mut ChunkMesh) {
+    fn generate_mesh(&self, chunk: &SubChunk, mesh: &mut ChunkMesh) {
         self.generate_mesh(chunk, mesh);
     }
 
     fn generate_mesh_with_registry(
         &self,
-        chunk: &Chunk,
+        chunk: &SubChunk,
         _registry: &VoxelRegistry,
         mesh: &mut ChunkMesh,
     ) {