Initial commit

ecs/signature.odin

@@ -0,0 +1,19 @@
+package ecs 
+
+Signature :: bit_set[0..<COMPONENT_MAX]
+
+signature_create :: proc() -> Signature {
+    return Signature{}
+}
+
+signature_set :: proc(signature: ^Signature, type: ComponentType) {
+    signature^ += {cast(int)type}
+}
+
+signature_unset :: proc(signature: ^Signature, type: ComponentType) {
+    signature^ -= {cast(int)type}
+}
+
+signature_clear :: proc(signature: ^Signature) {
+    signature^ = {}
+}