items are now mostly replaced by itemids, with a mapping to the item in the encyclopedia

1 files changed, 74 insertions, 0 deletions

diff --git a/src/item.rs b/src/item.rs
new file mode 100644
index 0000000..d5ffaa1
--- /dev/null
+++ b/src/item.rs
@@ -0,0 +1,74 @@
+
+
+use std::collections::HashSet;
+use serde_json::{Value};
+use specs::{Component, DenseVecStorage};
+use crate::{
+	Template,
+	components::{
+		Flag,
+		equipment::Equippable
+	}
+};
+
+
+
+#[derive(Debug, Default, PartialEq, Eq, Clone, Hash)]
+pub struct ItemId(pub String);
+
+#[derive(Debug, Clone)]
+pub struct Item {
+	pub ent: Template,
+	pub name: String,
+	pub action: ItemAction
+}
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum ItemAction {
+	Eat(i64),
+	Build(Template, HashSet<Flag>, HashSet<Flag>),
+	Equip(Equippable),
+	None
+}
+
+use ItemAction::{Eat, Build, Equip, None};
+
+impl ItemAction {
+	
+	pub fn from_json(val: &Value) -> Option<Self> {
+		let typ = val.get(0)?;
+		let arg = val.get(1)?;
+		Some(match typ.as_str()? {
+			"eat" => Eat(arg.as_i64()?),
+			"build" => Build(
+				Template::from_json(arg.get(0)?).ok()?,
+				arg.get(1)?.as_array()?.into_iter().map(|v| Flag::from_str(v.as_str()?)).collect::<Option<HashSet<Flag>>>()?,
+				arg.get(2)?.as_array()?.into_iter().map(|v| Flag::from_str(v.as_str()?)).collect::<Option<HashSet<Flag>>>()?
+			),
+			"none" => None,
+			"equip" => Equip(Equippable::from_json(arg)?),
+			_ => {return Option::None}
+		})
+	}
+}
+
+#[cfg(test)]
+mod tests {
+	use super::*;
+	use crate::hashmap;
+	use crate::components::equipment::*;
+	use serde_json::json;
+	
+	#[test]
+	fn equip_from_json() {
+		assert_eq!(
+			ItemAction::from_json(&json!(["equip", {"slot": "hand", "stats": {"strength": 10}}])),
+			Some(ItemAction::Equip(Equippable {slot: Slot::Hand, stats: hashmap!(Stat::Strength => 10)}))
+		);
+		assert_eq!(
+			ItemAction::from_json(&json!(["equip", {"slot": "hand", "stats": {"attack": 50}}])),
+			Option::None
+		);
+	}
+}
+