Resource Loading, Tile Mapper, and Biome Painter implementation

engine/world_generation/src/biome_painter.rs

@@ -0,0 +1,33 @@
+use asset_loader::create_asset_loader;
+use bevy::{
+	asset::{Asset, Handle},
+	reflect::TypePath,
+};
+use serde::{Deserialize, Serialize};
+
+use crate::tile_mapper::TileMapperAsset;
+
+#[derive(Serialize, Deserialize, Debug, TypePath, Asset)]
+pub struct BiomePainterAsset {
+	#[serde(skip)]
+	pub biomes: Vec<Handle<TileMapperAsset>>,
+	pub biomes_path: [String; 16],
+}
+
+impl BiomePainterAsset {
+	pub fn sample_biome(&self, moisture: f32, temperature: f32) -> Handle<TileMapperAsset> {
+		let x = (moisture.clamp(0., 1.) * 4.).ceil() as usize;
+		let y = (temperature.clamp(0., 1.) * 4.).ceil() as usize;
+		return self.biomes[x + y * 4].clone();
+	}
+}
+
+create_asset_loader!(
+	BiomePainterPlugin,
+	BiomePainterLoader,
+	BiomePainterAsset,
+	&["bimoes.json"],
+	;
+	biomes_path -> biomes
+	?
+);

engine/world_generation/src/heightmap.rs

@@ -35,7 +35,7 @@ pub fn generate_chunk(chunk_x: f64, chunk_z: f64, cfg: &GenerationConfig, seed:
 	return Chunk {
 		heights: result,
 		moisture: result.clone(),
-		tempurature: result.clone(),
+		temperature: result.clone(),
 		chunk_offset: IVec2::new(chunk_x as i32, chunk_z as i32),
 	};
 }

engine/world_generation/src/lib.rs

@@ -1,3 +1,4 @@
+pub mod biome_painter;
 pub mod heightmap;
 pub mod hex_utils;
 pub mod mesh_generator;
@@ -35,7 +36,7 @@ pub mod prelude {
 	pub struct Chunk {
 		pub heights: [f32; Chunk::SIZE * Chunk::SIZE],
 		pub moisture: [f32; Chunk::SIZE * Chunk::SIZE],
-		pub tempurature: [f32; Chunk::SIZE * Chunk::SIZE],
+		pub temperature: [f32; Chunk::SIZE * Chunk::SIZE],
 		pub chunk_offset: IVec2,
 	}
 
@@ -81,7 +82,7 @@ pub mod prelude {
 
 		pub fn get_tempurature(&self, pos: &HexCoord) -> f32 {
 			let chunk = &self.chunks[pos.to_chunk_index(self.width)];
-			return chunk.tempurature[pos.to_chunk_local_index()];
+			return chunk.temperature[pos.to_chunk_local_index()];
 		}
 	}
 

engine/world_generation/src/tile_manager.rs

@@ -29,12 +29,12 @@ pub struct TileAsset {
 	#[serde(skip)]
 	pub id: usize,
 	pub name: String,
-	#[serde(skip)]
 	pub texture_id: u32,
-	pub texture: String,
 	#[serde(skip)]
+	pub texture: String,
 	pub side_texture_id: u32,
+	#[serde(skip)]
 	pub side_texture: String,
 }
 
-create_asset_loader!(TileAssetPlugin, TileAssetLoader, TileAsset, &["tile.json"],);
+create_asset_loader!(TileAssetPlugin, TileAssetLoader, TileAsset, &["tile.json"],;?);

engine/world_generation/src/tile_mapper.rs

@@ -11,15 +11,30 @@ use crate::tile_manager::TileAsset;
 pub struct TileMapper;
 
 #[derive(Serialize, Deserialize, Debug, TypePath, Asset)]
-struct TileMapperAsset {
+pub struct TileMapperAsset {
 	#[serde(skip)]
 	pub tiles: Vec<Handle<TileAsset>>,
 	pub tiles_path: Vec<String>,
+	pub thresholds: Vec<f32>,
+}
+
+impl TileMapperAsset {
+	pub fn sample_tile(&self, height: f32) -> Handle<TileAsset> {
+		for i in 0..self.thresholds.len() {
+			let t = self.thresholds[i];
+			if t >= height {
+				return self.tiles[i].clone();
+			}
+		}
+		return self.tiles.last().unwrap().clone();
+	}
 }
 
 create_asset_loader!(
 	TileMapperAssetPlugin,
 	TileMapperAssetLoader,
 	TileMapperAsset,
-	&["mapper.json"],
+	&["mapper.json"],;
+	tiles_path -> tiles
+	?
 );