From 75096988888b513d3b3b2ee37e2847281c59fcfa Mon Sep 17 00:00:00 2001
From: Simon Brodtmann <github@accounts.brodtmann.info>
Date: Sat, 13 Dec 2025 00:33:11 +0100
Subject: [PATCH] Add class Entity

---
 cf-lib/data/Entity.lua | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 cf-lib/data/Entity.lua

diff --git a/cf-lib/data/Entity.lua b/cf-lib/data/Entity.lua
new file mode 100644
index 0000000..4a21072
--- /dev/null
+++ b/cf-lib/data/Entity.lua
@@ -0,0 +1,29 @@
+--- Utility class for entity prototype definitions
+--- @class Entity
+local Entity = {}
+
+--- Generates a selection box definition using width and height of the entity in tiles.
+--- @param width number The width of the entity in tiles
+--- @param height number The height of the entity in tiles
+--- @return table A table containing the selection box definition
+Entity.selectionBox = function(width, height)
+    return {
+        { -width / 2, -height / 2 },
+        { width / 2, height / 2 }
+    }
+end
+
+--- Generates a collision box definition using width and height of the entity in tiles.
+--- @param width number The width of the entity in tiles
+--- @param height number The height of the entity in tiles
+--- @param margin number The margin to apply to the collision box compared to the selection box (default: 0.3)
+--- @return table A table containing the collision box definition
+Entity.collisionBox = function(width, height, margin)
+    margin = margin or 0.1
+    return {
+        { -width / 2 + margin, -height / 2 + margin },
+        { width / 2 - margin, height / 2 - margin }
+    }
+end
+
+return Entity
\ No newline at end of file