buildings

game/buildings/src/buildings_map.rs

@@ -0,0 +1,98 @@
+use bevy::prelude::*;
+use world_generation::hex_utils::HexCoord;
+
+#[derive(Resource)]
+pub struct BuildingMap {
+	pub chunks: Vec<BuildingChunk>,
+}
+
+impl BuildingMap {
+	pub fn new(size: UVec2) -> Self {
+		let mut db = BuildingMap {
+			chunks: Vec::with_capacity(size.length_squared() as usize),
+		};
+
+		for y in 0..size.y as i32 {
+			for x in 0..size.x as i32 {
+				let offset = IVec2::new(x, y);
+				let index = (x + y * size.x as i32) as usize;
+				db.chunks.push(BuildingChunk::new(offset, index));
+			}
+		}
+
+		return db;
+	}
+
+	pub fn get_buildings_in_range(&self, coord: &HexCoord, radius: usize) -> Option<Vec<&BuildingEntry>> {
+		assert!(radius != 0, "Radius cannot be zero");
+		todo!();
+	}
+
+	pub fn get_building(&self, coord: &HexCoord) -> Option<&BuildingEntry> {
+		todo!();
+	}
+}
+
+pub struct BuildingChunk {
+	pub entries: Vec<BuildingChunk>,
+	pub index: usize,
+	pub offset: IVec2,
+}
+
+impl BuildingChunk {
+	pub fn new(offset: IVec2, index: usize) -> Self {
+		return BuildingChunk {
+			entries: Vec::new(),
+			index,
+			offset,
+		};
+	}
+
+	pub fn get_building(&self, coord: &HexCoord) -> Option<&BuildingEntry> {
+		todo!();
+	}
+}
+
+pub struct BuildingEntry {
+	pub coord: HexCoord,
+	pub entity: Entity,
+	pub is_main: bool,
+	pub main_entity: Option<Entity>,
+	pub has_children: bool,
+	pub child_entities: Option<Vec<Entity>>,
+}
+
+impl BuildingEntry {
+	pub fn new(coord: HexCoord, entity: Entity) -> Self {
+		return BuildingEntry {
+			coord,
+			entity,
+			child_entities: None,
+			has_children: false,
+			main_entity: None,
+			is_main: true,
+		};
+	}
+
+	pub fn new_with_children(coord: HexCoord, entity: Entity, children: Vec<Entity>) -> BuildingEntry {
+		return BuildingEntry {
+			coord,
+			entity,
+			child_entities: Some(children),
+			has_children: true,
+			main_entity: None,
+			is_main: true,
+		};
+	}
+
+	pub fn new_with_parent(coord: HexCoord, entity: Entity, main: Entity) -> BuildingEntry {
+		return BuildingEntry {
+			coord,
+			entity,
+			child_entities: None,
+			has_children: false,
+			main_entity: Some(main),
+			is_main: false,
+		};
+	}
+}