1 files changed, 40 insertions, 0 deletions
diff --git a/stockton-types/src/world.rs b/stockton-types/src/world.rs
new file mode 100644
index 0000000..f687f5e
--- /dev/null
+++ b/stockton-types/src/world.rs
@@ -0,0 +1,40 @@
+//! The thing you play on and all the associated state.
+
+use crate::{EntityStore, Entity};
+use stockton_bsp::lumps::entities::Entity as BSPEntity;
+use stockton_bsp::BSPFile;
+
+use std::pin::Pin;
+
+/// A live and playable world. There are two parts: The map, which has walls and other static objects,
+/// and entities, which can move around and do things and are physics simulated.
+pub struct World<'a> {
+	pub map: Pin<Box<BSPFile<'a>>>,
+	pub live_entities: EntityStore,
+}
+
+impl<'a> World<'a> {
+	/// Create a new world from a BSPFile.
+	///
+	/// Returns None if any entities in the map have name conflicts.
+	///
+	/// `mapper` is called for each BSPEntity to map it to a concrete rust type.
+	pub fn new<F>(bsp: Pin<Box<BSPFile<'a>>>, mapper: F) -> Option<World<'a>>
+		where F: Fn(&BSPEntity) -> (Box<Entity>, String) {
+
+		let mut entities: Vec<(Box<Entity>, String)> = Vec::with_capacity(bsp.entities.entities.len());
+		for bsp_ent in bsp.entities.entities.iter() {
+			entities.push(mapper(&bsp_ent));
+		}
+
+		let store = EntityStore::from_entities(entities);
+		if store.is_none() {
+			return None;
+		}
+
+		Some(World {
+			map: bsp,
+			live_entities: store.unwrap()
+		})
+	}
+}
+\ No newline at end of file