From f259c9b8215699c2c50026dc6fe15e11dd9e188a Mon Sep 17 00:00:00 2001
From: copygirl <copygirl@mcft.net>
Date: Thu, 7 Sep 2023 12:40:01 +0200
Subject: [PATCH] Add Entity.has to check if entity has a value

---
 src/entity.zig | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/entity.zig b/src/entity.zig
index af51c9e..6e93dc3 100644
--- a/src/entity.zig
+++ b/src/entity.zig
@@ -254,6 +254,14 @@ pub fn Entity(comptime ctx: anytype) type {
             return if (result != 0) fromRaw(self.world, result) else null;
         }
 
+        /// Returns whether this `Entity` has the specified value.
+        ///
+        /// `value` must be convertible to an id. See also: `util.anyToId(...)`.
+        pub fn has(self: Self, value: anytype) bool {
+            const id = util.anyToId(ctx, value);
+            return c.ecs_has_id(self.world.raw, self.raw, id);
+        }
+
         pub fn get(self: Self, comptime T: type) ?*const T {
             const id = Lookup(ctx, T).id;
             return @alignCast(@ptrCast(c.ecs_get_id(self.world.raw, self.raw, id)));