Placement queue, binary transparency, WIP trees

kubi-shared/src/block.rs

@@ -32,6 +32,9 @@ pub enum Block {
   Cobblestone,
   TallGrass,
   Planks,
+  Torch,
+  Wood,
+  Leaf,
 }
 
 impl Block {
@@ -90,6 +93,24 @@ impl Block {
         collision: CollisionType::Solid, 
         raycast_collision: true, 
       },
+      Self::Torch => BlockDescriptor {
+        name: "torch",
+        render: RenderType::CrossShape(CrossTexture::all(BlockTexture::Torch)),
+        collision: CollisionType::None,
+        raycast_collision: true,
+      },
+      Self::Wood => BlockDescriptor {
+        name: "leaf",
+        render: RenderType::SolidBlock(CubeTexture::horizontal_vertical(BlockTexture::Wood, BlockTexture::WoodTop)),
+        collision: CollisionType::Solid,
+        raycast_collision: true,
+      },
+      Self::Leaf => BlockDescriptor {
+        name: "leaf",
+        render: RenderType::BinaryTransparency(CubeTexture::all(BlockTexture::Leaf)),
+        collision: CollisionType::Solid,
+        raycast_collision: true,
+      },
     }
   }
 }
@@ -170,5 +191,6 @@ pub enum CollisionType {
 pub enum RenderType {
   None,
   SolidBlock(CubeTexture),
+  BinaryTransparency(CubeTexture),
   CrossShape(CrossTexture),
 }

kubi-shared/src/worldgen.rs

@@ -29,9 +29,26 @@ fn local_y_position(height: i32, chunk_position: IVec3) -> Option<usize> {
   (0..CHUNK_SIZE as i32).contains(&position).then_some(position as usize)
 }
 
-pub fn generate_world(chunk_position: IVec3, seed: u64) -> BlockData {
+pub struct QueuedBlock {
+  pub position: IVec3,
+  pub block_type: Block,
+}
+
+pub fn generate_world(chunk_position: IVec3, seed: u64) -> (BlockData, Vec<QueuedBlock>) {
   let offset = chunk_position * CHUNK_SIZE as i32;
   let mut blocks = Box::new([[[Block::Air; CHUNK_SIZE]; CHUNK_SIZE]; CHUNK_SIZE]);
+  let mut queue = Vec::with_capacity(0);
+
+  let mut smart_place = |blocks: &mut BlockData, position: IVec3, block: Block| {
+    if position.to_array().iter().any(|&x| !(0..CHUNK_SIZE).contains(&(x as usize))) {
+      queue.push(QueuedBlock {
+        position: offset + position, 
+        block_type: block
+      });
+    } else {
+      blocks[position.x as usize][position.y as usize][position.z as usize] = block;
+    }
+  };
 
   let mut height_noise = FastNoise::seeded(seed);
   height_noise.set_fractal_type(FractalType::FBM);
@@ -46,10 +63,10 @@ pub fn generate_world(chunk_position: IVec3, seed: u64) -> BlockData {
   let mut rng = Xoshiro256StarStar::seed_from_u64(
     seed
     ^ ((chunk_position.x as u32 as u64) << 0)
-    ^ ((chunk_position.y as u32 as u64) << 16)
     ^ ((chunk_position.z as u32 as u64) << 32)
   );
-  let tall_grass_map: [[u8; CHUNK_SIZE]; CHUNK_SIZE] = rng.gen();
+  let rng_map_a: [[f32; CHUNK_SIZE]; CHUNK_SIZE] = rng.gen();
+  let rng_map_b: [[f32; CHUNK_SIZE]; CHUNK_SIZE] = rng.gen();
 
   // let mut cave_noise = FastNoise::seeded(seed.rotate_left(1));
   // cave_noise.set_fractal_type(FractalType::FBM);
@@ -86,11 +103,22 @@ pub fn generate_world(chunk_position: IVec3, seed: u64) -> BlockData {
         blocks[x][y][z] = Block::Grass;
       }
       //place tall grass
-      if tall_grass_map[x][z] < 10 {
+      if rng_map_a[x][z] < 0.03 {
         if let Some(y) = local_y_position(height + 1, chunk_position) {
           blocks[x][y][z] = Block::TallGrass;
         }
       }
+      //place trees!
+      if rng_map_a[x][z] < 0.001 {
+        if let Some(y) = local_y_position(height + 1, chunk_position) {
+          let tree_pos = ivec3(x as i32, y as i32, z as i32);
+          let tree_height = 6 + (rng_map_b[x][z] * 6.).round() as i32;
+          for tree_y in 0..tree_height {
+            smart_place(&mut blocks, tree_pos + IVec3::Y * tree_y, Block::Wood);
+          }
+          smart_place(&mut blocks, tree_pos + IVec3::Y * tree_height, Block::Leaf);
+        }
+      }
     }
   }
   
@@ -111,7 +139,7 @@ pub fn generate_world(chunk_position: IVec3, seed: u64) -> BlockData {
     // }
   }
 
-  blocks
+  (blocks, queue)
   
   // let mut cave_noise = FastNoise::seeded(seed);
   // cave_noise.set_fractal_type(FractalType::FBM);

kubi/src/block_placement.rs

@@ -23,6 +23,7 @@ const BLOCK_KEY_MAP: &[(VirtualKeyCode, Block)] = &[
   (VirtualKeyCode::Key4, Block::Grass),
   (VirtualKeyCode::Key5, Block::Sand),
   (VirtualKeyCode::Key6, Block::Stone),
+  (VirtualKeyCode::Key7, Block::Torch),
 ];
 
 fn pick_block_with_number_keys(

kubi/src/world/loading.rs

@@ -12,6 +12,7 @@ use super::{
   ChunkStorage, ChunkMeshStorage,
   chunk::{Chunk, DesiredChunkState, CHUNK_SIZE, ChunkMesh, CurrentChunkState, ChunkData},
   tasks::{ChunkTaskManager, ChunkTaskResponse, ChunkTask}, 
+  queue::{BlockUpdateQueue, BlockUpdateEvent},
 };
 
 const MAX_CHUNK_OPS_INGAME: usize = 6;
@@ -170,12 +171,13 @@ fn process_completed_tasks(
   mut world: UniqueViewMut<ChunkStorage>,
   mut meshes: NonSendSync<UniqueViewMut<ChunkMeshStorage>>,
   renderer: NonSendSync<UniqueView<Renderer>>,
-  state: UniqueView<GameState>
+  state: UniqueView<GameState>,
+  mut queue: UniqueViewMut<BlockUpdateQueue>,
 ) {
   let mut ops: usize = 0;
   while let Some(res) = task_manager.receive() {
     match res {
-      ChunkTaskResponse::LoadedChunk { position, chunk_data } => {
+      ChunkTaskResponse::LoadedChunk { position, chunk_data, queued } => {
         //check if chunk exists
         let Some(chunk) = world.chunks.get_mut(&position) else {
           log::warn!("blocks data discarded: chunk doesn't exist");
@@ -196,6 +198,14 @@ fn process_completed_tasks(
         //update chunk state
         chunk.current_state = CurrentChunkState::Loaded;
 
+        //push queued blocks
+        for event in queued {
+          queue.push(BlockUpdateEvent {
+            position: event.position,
+            value: event.block_type,
+          });
+        }
+
         //increase ops counter
         ops += 1;
       },

kubi/src/world/mesh.rs

@@ -39,12 +39,16 @@ pub fn generate_mesh(data: MeshGenData) -> (Vec<ChunkVertex>, Vec<u32>) {
         let descriptor = block.descriptor();
         match descriptor.render {
           RenderType::None => continue,
-          RenderType::SolidBlock(textures) => {
+          RenderType::SolidBlock(textures) | RenderType::BinaryTransparency(textures) => {
             for face in CubeFace::iter() {
               let facing_direction = face.normal();
               let facing_coord = coord + facing_direction;
               let facing_descriptor = get_block(facing_coord).descriptor();
-              let face_obstructed = matches!(facing_descriptor.render, RenderType::SolidBlock(_));
+              let face_obstructed = match descriptor.render {
+                RenderType::SolidBlock(_) => matches!(facing_descriptor.render, RenderType::SolidBlock(_)),
+                RenderType::BinaryTransparency(_) => matches!(facing_descriptor.render, RenderType::SolidBlock(_) | RenderType::BinaryTransparency(_)),
+                _ => unreachable!(),
+              };
               if !face_obstructed {
                 let face_texture = match face {
                   CubeFace::Top    => textures.top,

kubi/src/world/tasks.rs

@@ -1,6 +1,9 @@
 use flume::{Sender, Receiver};
 use glam::IVec3;
-use kubi_shared::networking::messages::{ClientToServerMessage, ServerToClientMessage};
+use kubi_shared::{
+  networking::messages::{ClientToServerMessage, ServerToClientMessage}, 
+  worldgen::QueuedBlock
+};
 use shipyard::{Unique, UniqueView, View, IntoIter};
 use rayon::{ThreadPool, ThreadPoolBuilder};
 use super::{
@@ -8,7 +11,10 @@ use super::{
   mesh::{generate_mesh, data::MeshGenData},
   worldgen::generate_world,
 };
-use crate::{rendering::world::ChunkVertex, networking::{UdpClient, NetworkEvent}};
+use crate::{
+  rendering::world::ChunkVertex, 
+  networking::{UdpClient, NetworkEvent}
+};
 use kubi_udp::client::ClientEvent;
 
 pub enum ChunkTask {
@@ -25,6 +31,7 @@ pub enum ChunkTaskResponse {
   LoadedChunk {
     position: IVec3,
     chunk_data: BlockData,
+    queued: Vec<QueuedBlock>
   },
   GeneratedMesh {
     position: IVec3,
@@ -59,8 +66,8 @@ impl ChunkTaskManager {
           ChunkTaskResponse::GeneratedMesh { position, vertices, indexes }
         },
         ChunkTask::LoadChunk { position, seed } => {
-          let chunk_data = generate_world(position, seed);
+          let (chunk_data, queued) = generate_world(position, seed);
-          ChunkTaskResponse::LoadedChunk { position, chunk_data }
+          ChunkTaskResponse::LoadedChunk { position, chunk_data, queued }
         }
       });
     });
@@ -97,7 +104,9 @@ pub fn inject_network_responses_into_manager_queue(
     if let ClientEvent::MessageReceived(ServerToClientMessage::ChunkResponse { chunk, data }) = &event.0 {
       let position = IVec3::from_array(*chunk);
       manager.add_sussy_response(ChunkTaskResponse::LoadedChunk {
-        position, chunk_data: data.clone()
+        position, 
+        chunk_data: data.clone(),
+        queued: Vec::with_capacity(0)
       });
     }
   }