biome sampling

engine/world_generation/src/biome_asset.rs

@@ -0,0 +1,38 @@
+use asset_loader::create_asset_loader;
+use serde::{Deserialize, Serialize};
+
+use crate::{prelude::GeneratorLayer, tile_mapper::TileMapperAsset};
+
+#[derive(Serialize, Deserialize, Asset, TypePath, Debug, Clone)]
+pub struct BiomeAsset {
+	pub moisture: f32,
+	pub temperature: f32,
+	pub continentality: f32,
+	pub name: String,
+	#[serde(skip)]
+	pub tile_mapper: Handle<TileMapperAsset>,
+	pub tile_mapper_path: String,
+	pub generator_layers: Vec<GeneratorLayer>,
+}
+
+impl BiomeAsset {
+	pub fn distance(&self, moisture: f32, temperature: f32, continentality: f32) -> f32 {
+		let a = Vec3::new(
+			self.moisture - moisture,
+			self.temperature - temperature,
+			self.continentality - continentality,
+		);
+		return a.length();
+	}
+}
+
+create_asset_loader!(
+	BiomeAssetPlugin,
+	BiomeAssetLoader,
+	BiomeAsset,
+	BiomeAssetLoadState,
+	&["bimoe.json"],
+	tile_mapper_path -> tile_mapper
+	;
+	?
+);