Dynamic loading, saving, generating chunks works

src/renderer/buffers/content.rs

@@ -1,7 +1,7 @@
 use std::time::Instant;
 use byteorder::{ByteOrder, LittleEndian};
 use std::convert::TryInto;
-use cgmath::Point3;
+use cgmath::Vector3;
 use crate::game::world::block::WorldBlock;
 
 //note: remember to update in main.frag
@@ -102,10 +102,10 @@ impl Content {
     }
 
     #[allow(unused)]
-    pub fn write(&mut self, queue: &wgpu::Queue, block_pos: &Point3<u32>, block: &WorldBlock) {
+    pub fn write(&mut self, queue: &wgpu::Queue, block_pos: &Vector3<i32>, block: &WorldBlock) {
 
         // Get node
-        let index = (block_pos.x + NODE_TEX_SIZE as u32 * (block_pos.y + NODE_TEX_SIZE as u32 * block_pos.z)) as usize;
+        let index = (block_pos.x + NODE_TEX_SIZE as i32 * (block_pos.y + NODE_TEX_SIZE as i32 * block_pos.z)) as usize;
         let mut value = self.node_buffer[index] as usize;
 
         // Allocate new block