Refactor i32 to usize

Author: CuddlyBunion341

src/client/terrain/util/chunk.rs

@@ -1,7 +1,7 @@
 use crate::prelude::*;
 
-pub const CHUNK_SIZE: i32 = 32;
-pub const PADDED_CHUNK_SIZE: i32 = CHUNK_SIZE + 2;
+pub const CHUNK_SIZE: usize = 32;
+pub const PADDED_CHUNK_SIZE: usize = CHUNK_SIZE + 2;
 pub const PADDED_CHUNK_USIZE: usize = PADDED_CHUNK_SIZE as usize;
 pub const CHUNK_LENGTH: usize =
     (PADDED_CHUNK_SIZE * PADDED_CHUNK_SIZE * PADDED_CHUNK_SIZE) as usize;
@@ -20,11 +20,11 @@ impl Chunk {
     }
 
     pub fn get(&self, x: usize, y: usize, z: usize) -> BlockId {
-        self.data[Self::index(x + 1, y + 1, z + 1)]
+        self.data[Self::index(x, y, z)]
     }
 
     pub fn set(&mut self, x: usize, y: usize, z: usize, value: BlockId) {
-        self.data[Self::index(x + 1, y + 1, z + 1)] = value;
+        self.data[Self::index(x, y, z)] = value;
     }
 
     #[rustfmt::skip]

src/client/terrain/util/generator.rs

@@ -19,9 +19,9 @@ impl Generator {
             return;
         }
 
-        for x in -1..=CHUNK_SIZE {
-            for y in -1..=CHUNK_SIZE {
-                for z in -1..=CHUNK_SIZE {
+        for x in 0..=CHUNK_SIZE + 1 {
+            for y in 0..=CHUNK_SIZE + 1 {
+                for z in 0..=CHUNK_SIZE + 1 {
                     let local_position = Vec3::new(x as f32, y as f32, z as f32);
                     let block_position = chunk_origin + local_position;
                     let block = self.generate_block(block_position);

src/client/terrain/util/mesher.rs

@@ -86,16 +86,16 @@ pub fn create_chunk_mesh(chunk: &Chunk, texture_manager: &TextureManager) -> Opt
         indices: Vec::new(),
     };
 
-    for x in 0..CHUNK_SIZE {
-        for y in 0..CHUNK_SIZE {
-            for z in 0..CHUNK_SIZE {
+    for x in 1..CHUNK_SIZE - 1 { 
+        for y in 1..CHUNK_SIZE - 1 { 
+            for z in 1..CHUNK_SIZE - 1 { 
                 let block_id = chunk.get(x as usize, y as usize, z as usize);
 
                 if block_id == BlockId::Air {
                     continue;
                 }
 
-                fn update_mask(chunk: &Chunk, mask: &mut u8, value: u8, x: i32, y: i32, z: i32) {
+                fn update_mask(chunk: &Chunk, mask: &mut u8, value: u8, x: usize, y: usize, z: usize) {
                     if chunk.get(x as usize, y as usize, z as usize) == BlockId::Air {
                         *mask |= value;
                     }