wip item system

Cargo.lock

@@ -1026,6 +1026,7 @@ dependencies = [
  "hashbrown 0.14.2",
  "nohash-hasher",
  "num_enum",
+ "nz",
  "postcard",
  "rand",
  "rand_xoshiro",
@@ -1325,6 +1326,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "nz"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28ba9cab725a7d7ece4bbf38968a1717ed73abf0516f7ff90a4127d016bebd51"
+
 [[package]]
 name = "objc-sys"
 version = "0.3.1"

kubi-shared/Cargo.toml

@@ -20,6 +20,7 @@ hashbrown = { version = "0.14", features = ["serde"] }
 nohash-hasher = "0.2"
 #bytemuck = { version = "1.14", features = ["derive"] }
 static_assertions = "1.1"
+nz = "0.3"
 
 [features]
 default = []

kubi-shared/src/block.rs

@@ -1,6 +1,7 @@
 use serde::{Serialize, Deserialize};
 use strum::EnumIter;
 use num_enum::TryFromPrimitive;
+use crate::item::Item;
 
 #[derive(Serialize, Deserialize, Clone, Copy, Debug, EnumIter)]
 #[repr(u8)]
@@ -50,24 +51,28 @@ impl Block {
         render: RenderType::None,
         collision: CollisionType::None,
         raycast_collision: false,
+        drops: None,
       },
       Self::Marker => BlockDescriptor {
         name: "marker",
         render: RenderType::None,
         collision: CollisionType::None,
         raycast_collision: false,
+        drops: None,
       },
       Self::Stone => BlockDescriptor {
         name: "stone",
         render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Stone)),
         collision: CollisionType::Solid,
         raycast_collision: true,
+        drops: None,
       },
       Self::Dirt => BlockDescriptor {
         name: "dirt",
         render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Dirt)),
         collision: CollisionType::Solid,
         raycast_collision: true,
+        drops: None,
       },
       Self::Grass => BlockDescriptor {
         name: "grass",
@@ -78,54 +83,63 @@ impl Block {
         )),
         collision: CollisionType::Solid,
         raycast_collision: true,
+        drops: None,
       },
       Self::Sand => BlockDescriptor {
         name: "sand",
         render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Sand)), 
         collision: CollisionType::Solid,
         raycast_collision: true,
+        drops: None,
       },
       Self::Cobblestone => BlockDescriptor {
         name: "cobblestone",
         render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Cobblestone)),
         collision: CollisionType::Solid,
         raycast_collision: true,
+        drops: None,
       },
       Self::TallGrass => BlockDescriptor {
         name: "tall grass",
         render: RenderType::CrossShape(CrossTexture::all(BlockTexture::TallGrass)),
         collision: CollisionType::None,
         raycast_collision: true,
+        drops: None,
       },
       Self::Planks => BlockDescriptor {
         name: "planks",
         render: RenderType::SolidBlock(CubeTexture::all(BlockTexture::Planks)), 
         collision: CollisionType::Solid, 
         raycast_collision: true, 
+        drops: None,
       },
       Self::Torch => BlockDescriptor {
         name: "torch",
         render: RenderType::CrossShape(CrossTexture::all(BlockTexture::Torch)),
         collision: CollisionType::None,
         raycast_collision: true,
+        drops: None,
       },
       Self::Wood => BlockDescriptor {
         name: "leaf",
         render: RenderType::SolidBlock(CubeTexture::horizontal_vertical(BlockTexture::Wood, BlockTexture::WoodTop)),
         collision: CollisionType::Solid,
         raycast_collision: true,
+        drops: None,
       },
       Self::Leaf => BlockDescriptor {
         name: "leaf",
         render: RenderType::BinaryTransparency(CubeTexture::all(BlockTexture::Leaf)),
         collision: CollisionType::Solid,
         raycast_collision: true,
+        drops: None,
       },
       Self::Water => BlockDescriptor {
         name: "water",
         render: RenderType::BinaryTransparency(CubeTexture::all(BlockTexture::WaterSolid)),
         collision: CollisionType::None,
         raycast_collision: true,
+        drops: None,
       },
     }
   }
@@ -137,12 +151,8 @@ pub struct BlockDescriptor {
   pub render: RenderType,
   pub collision: CollisionType,
   pub raycast_collision: bool,
+  pub drops: Option<Item>,
 }
-// impl BlockDescriptor {
-//   pub fn of(block: Block) -> Self {
-//     block.descriptor()
-//   }
-// }
 
 #[derive(Clone, Copy, Debug)]
 pub struct CubeTexture {

kubi-shared/src/item.rs

@@ -0,0 +1,66 @@
+use std::num::NonZeroU8;
+use num_enum::TryFromPrimitive;
+use serde::{Serialize, Deserialize};
+use strum::EnumIter;
+use crate::block::Block;
+
+#[derive(Clone, Copy)]
+pub enum ItemUsage {
+  AsBlock(Block)
+}
+
+pub struct ItemDescriptor {
+  pub name: &'static str,
+  pub usage: Option<ItemUsage>,
+  pub stack_size: NonZeroU8,
+}
+
+#[derive(Serialize, Deserialize, Clone, Copy, PartialEq, Eq, Hash, Debug, EnumIter, TryFromPrimitive)]
+#[repr(u8)]
+pub enum Item {
+  TestItem,
+}
+
+impl Item {
+  #[inline]
+  pub const fn descriptor(self) -> ItemDescriptor {
+    match self {
+      Self::TestItem => ItemDescriptor {
+        name: "Test Item",
+        usage: None,
+        stack_size: nz::u8!(32),
+      },
+    }
+  }
+}
+
+#[derive(Clone, Copy)]
+pub struct ItemCollection(Option<(Item, NonZeroU8)>);
+
+impl ItemCollection {
+  pub const fn new(item: Item, amount: NonZeroU8) -> Self {
+    Self(Some((item, amount)))
+  }
+
+  pub const fn new_single(item: Item) -> Self {
+    Self(Some((item, nz::u8!(1))))
+  }
+
+  pub const fn new_empty() -> Self {
+    Self(None)
+  }
+
+  pub const fn with_amount(&self, amount: NonZeroU8) -> Self {
+    Self(match self.0 {
+      Some((item, _)) => Some((item, amount)),
+      None => None,
+    })
+  }
+
+  /// Add items from another slot, copying them\
+  /// Returns the leftover items
+  pub fn add(&mut self, from: &Self) -> Self {
+    let Some((item, count)) = from.0 else { return Self::new_empty() };
+    todo!() //TODO finish item slot system
+  }
+}

kubi-shared/src/lib.rs

@@ -1,4 +1,5 @@
 pub mod block;
+pub mod item;
 pub mod networking;
 pub mod worldgen;
 pub mod chunk;