organization and buidings db

engine/world_generation/src/map/chunk.rs

@@ -0,0 +1,74 @@
+use crate::hex_utils::SHORT_DIAGONAL;
+use bevy::prelude::*;
+
+#[derive(Clone)]
+pub struct Chunk {
+	pub heights: [f32; Chunk::AREA],
+	pub textures: [[u32; 2]; Chunk::AREA],
+	pub moisture: [f32; Chunk::AREA],
+	pub temperature: [f32; Chunk::AREA],
+	pub chunk_offset: IVec2,
+}
+
+impl Default for Chunk {
+	fn default() -> Self {
+		Self {
+			heights: [0.; Chunk::AREA],
+			textures: [[0; 2]; Chunk::AREA],
+			moisture: [0.; Chunk::AREA],
+			temperature: [0.; Chunk::AREA],
+			chunk_offset: Default::default(),
+		}
+	}
+}
+
+impl Chunk {
+	pub const SIZE: usize = 64;
+	pub const AREA: usize = Chunk::SIZE * Chunk::SIZE;
+	pub const WORLD_WIDTH: f32 = Chunk::SIZE as f32 * SHORT_DIAGONAL;
+	pub const WORLD_HEIGHT: f32 = Chunk::SIZE as f32 * 1.5;
+	pub const WORLD_SIZE: Vec2 = Vec2::new(Chunk::WORLD_WIDTH, Chunk::WORLD_HEIGHT);
+
+	pub fn get_pos_z_edge(&self) -> [f32; Chunk::SIZE] {
+		let mut data = [0.; Chunk::SIZE];
+
+		for x in 0..Chunk::SIZE {
+			let idx = x + (Chunk::SIZE - 1) * Chunk::SIZE;
+			data[x] = self.heights[idx];
+		}
+
+		return data;
+	}
+
+	pub fn get_neg_z_edge(&self) -> [f32; Chunk::SIZE] {
+		let mut data = [0.; Chunk::SIZE];
+
+		for x in 0..Chunk::SIZE {
+			data[x] = self.heights[x];
+		}
+
+		return data;
+	}
+
+	pub fn get_pos_x_edge(&self) -> [f32; Chunk::SIZE] {
+		let mut data = [0.; Chunk::SIZE];
+
+		for z in 0..Chunk::SIZE {
+			let idx = (Chunk::SIZE - 1) + z * Chunk::SIZE;
+			data[z] = self.heights[idx];
+		}
+
+		return data;
+	}
+
+	pub fn get_neg_x_edge(&self) -> [f32; Chunk::SIZE] {
+		let mut data = [0.; Chunk::SIZE];
+
+		for z in 0..Chunk::SIZE {
+			let idx = z * Chunk::SIZE;
+			data[z] = self.heights[idx];
+		}
+
+		return data;
+	}
+}