From f7ad96b03d149befbe5a39962264816dea277f7b Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Mon, 16 Jan 2023 02:42:50 +0100
Subject: [PATCH] wip, doesnt compile

---
 src/game.rs            |   5 +-
 src/game/blocks.rs     | 126 +++++++++++++++++++++++++++++++++++++++++
 src/game/chunk.rs      |   3 +
 src/game/controller.rs |   1 +
 src/game/items.rs      |   9 +++
 src/game/world.rs      |   3 +
 6 files changed, 146 insertions(+), 1 deletion(-)
 create mode 100644 src/game/blocks.rs
 create mode 100644 src/game/chunk.rs
 create mode 100644 src/game/items.rs
 create mode 100644 src/game/world.rs

diff --git a/src/game.rs b/src/game.rs
index a69fcac..c33e694 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -10,13 +10,16 @@ mod display;
 mod shaders;
 mod camera;
 mod controller;
+mod world;
+mod chunk;
+mod blocks;
+mod items;
 
 use assets::Assets;
 use display::init_display;
 use shaders::{Programs, chunk::Vertex as ChunkVertex};
 use camera::Camera;
 use controller::Controls;
-
 struct State {
   pub camera: Camera,
   pub controls: Controls, 
diff --git a/src/game/blocks.rs b/src/game/blocks.rs
new file mode 100644
index 0000000..34c662b
--- /dev/null
+++ b/src/game/blocks.rs
@@ -0,0 +1,126 @@
+use crate::game::items::Item;
+
+#[derive(Clone, Copy, Debug)]
+pub enum CollisionType {
+  Solid,
+  Liquid,
+  Ladder,
+}
+
+#[derive(Clone, Copy, Debug)]
+pub enum RenderType {
+  OpaqueBlock,
+  TranslucentBlock,
+  TranslucentLiquid,
+  CrossShape
+}
+
+#[derive(Clone, Copy, Debug)]
+pub struct BlockTextures {
+  pub top: u8,
+  pub bottom: u8,
+  pub left: u8,
+  pub right: u8,
+  pub back: u8,
+  pub front: u8,
+}
+impl BlockTextures {
+  pub const fn all(tex: u8) -> Self {
+    Self {
+      top: tex,
+      bottom: tex,
+      left: tex,
+      right: tex,
+      back: tex,
+      front: tex,
+    }
+  }
+  pub const fn top_sides_bottom(top: u8, sides: u8, bottom: u8) -> Self {
+    Self {
+      top,
+      bottom,
+      left: sides,
+      right: sides,
+      back: sides,
+      front: sides,
+    }
+  }
+}
+
+#[derive(Clone, Copy, Debug)]
+pub struct BlockDescriptor {
+  pub name: &'static str,
+  pub id: &'static str,
+  pub collision: Option<CollisionType>,
+  pub raycast_collision: bool,
+  pub render: Option<(RenderType, BlockTextures)>,
+  pub item: Option<Item>,
+}
+impl BlockDescriptor {
+  //Not using the Default trait because this function has to be const!
+  pub const fn default() -> Self {
+    Self {
+      name: "default",
+      id: "default",
+      collision: Some(CollisionType::Solid),
+      raycast_collision: true,
+      render: Some((RenderType::OpaqueBlock, BlockTextures::all(0))),
+      item: None
+    }
+  }
+}
+
+#[derive(Clone, Copy, Debug)]
+pub enum Block {
+  Air,
+  Stone,
+  Dirt,
+  Grass,
+  Sand,
+}
+impl Block {
+  pub const fn get_by_id(id: &str) -> Option<Self> {
+    Some(match id {
+      "air" => Self::Air,
+      "stone" => Self::Stone,
+      _ => { return None },
+    })
+  } 
+  pub const fn descriptor(self) -> BlockDescriptor {
+    match self {
+      Self::Air => BlockDescriptor {
+        name: "Air",
+        id: "air",
+        collision: None,
+        raycast_collision: false,
+        render: None,
+        item: None,
+      },
+      Self::Stone => BlockDescriptor {
+        name: "Stone",
+        id: "stone",
+        collision: Some(CollisionType::Solid),
+        raycast_collision: true,
+        render: Some((RenderType::OpaqueBlock, BlockTextures::all(1))),
+        item: Some(Item::StoneBlock)
+      },
+      Self::Dirt => BlockDescriptor {
+        name: "Dirt",
+        id: "dirt",
+        collision: Some(CollisionType::Solid),
+        raycast_collision: true,
+        render: Some((RenderType::OpaqueBlock, BlockTextures::all(2))),
+        item: Some(Item::DirtBlock)
+      },
+      Self::Grass => BlockDescriptor {
+        name: "Grass",
+        id: "grass",
+        collision: Some(CollisionType::Solid),
+        raycast_collision: true,
+        render: Some((RenderType::OpaqueBlock, BlockTextures::top_sides_bottom(0, 3, 2))),
+        item: Some(Item::DirtBlock)
+      },
+      _ => unimplemented!()
+    }
+  }
+}
diff --git a/src/game/chunk.rs b/src/game/chunk.rs
new file mode 100644
index 0000000..b33a9ea
--- /dev/null
+++ b/src/game/chunk.rs
@@ -0,0 +1,3 @@
+pub struct Chunk {
+  
+}
diff --git a/src/game/controller.rs b/src/game/controller.rs
index 39f345c..7a2a58c 100644
--- a/src/game/controller.rs
+++ b/src/game/controller.rs
@@ -39,6 +39,7 @@ pub struct Controls {
   pub sensitivity: f32,
 }
 impl Controls {
+  //TODO locking controls
   pub fn lock(&mut self) {
     todo!()
   }
diff --git a/src/game/items.rs b/src/game/items.rs
new file mode 100644
index 0000000..0028d1c
--- /dev/null
+++ b/src/game/items.rs
@@ -0,0 +1,9 @@
+//TODO items
+
+#[derive(Clone, Copy, Debug)]
+pub enum Item {
+  StoneBlock,
+  DirtBlock,
+  GrassBlock,
+  SandBlock,
+}
diff --git a/src/game/world.rs b/src/game/world.rs
new file mode 100644
index 0000000..cc73959
--- /dev/null
+++ b/src/game/world.rs
@@ -0,0 +1,3 @@
+pub struct World {
+  chunks: Vec<()>
+}