Initial commit and progress blocking out

src/storage/interface.rs

@@ -0,0 +1,11 @@
+use crate::storage::world::{BlockID, BlockPos};
+
+enum StorageInterface {
+    /// `ChangeBlock` changes the block at the world position given by `world_position` to the
+    /// target block id `BlockID`
+    ChangeBlock {
+        target_state: BlockID,
+        world_position: BlockPos,
+    },
+    ChangeBlockRange(BlockID, BlockPos, BlockPos),
+}

src/storage/mod.rs

@@ -0,0 +1,2 @@
+mod interface;
+mod world;

src/storage/world.rs

@@ -0,0 +1,32 @@
+type ChunkCoordinate = isize;
+
+const SECTIONS_PER_CHUNK: usize = 16;
+
+struct ChunkData {
+    x: ChunkCoordinate,
+    y: ChunkCoordinate,
+    sections: [ChunkSection; SECTIONS_PER_CHUNK],
+}
+
+// https://wiki.vg/Chunk_Format
+struct ChunkSection {
+    /// The number of non-empty blocks in the section. If completely full, the
+    /// section contains a 16 x 16 x 16 cube of blocks = 4096 blocks
+    /// If the section is empty, this is skipped
+    block_count: u16,
+    block_states: [BlockID; 4096],
+}
+
+/// `BlockPos` represents the location of a block in world space
+pub struct BlockPos {
+    x: isize,
+    y: isize,
+    z: isize,
+}
+
+/// BlockID represents the type of block stored
+#[repr(u8)]
+pub enum BlockID {
+    Empty,
+    Generic,
+}