From cfcc3712268db35517d1994510800f0b4c7bc9c1 Mon Sep 17 00:00:00 2001
From: PopSlime <popslime@qq.com>
Date: Sun, 6 Nov 2022 13:48:23 +0800
Subject: [PATCH] Add in_area function.

---
 Assets/Cryville/Crtr/PdtEvaluator.cs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Assets/Cryville/Crtr/PdtEvaluator.cs b/Assets/Cryville/Crtr/PdtEvaluator.cs
index 91737ed..5516830 100644
--- a/Assets/Cryville/Crtr/PdtEvaluator.cs
+++ b/Assets/Cryville/Crtr/PdtEvaluator.cs
@@ -115,6 +115,7 @@ namespace Cryville.Crtr {
 			_ctxops.Add(IdentifierManager.SharedInstance.Request("min"), new func_min(() => ContextSelfValue));
 			_ctxops.Add(IdentifierManager.SharedInstance.Request("max"), new func_max(() => ContextSelfValue));
 			_ctxops.Add(IdentifierManager.SharedInstance.Request("abs"), new func_abs(() => ContextSelfValue));
+			_ctxops.Add(IdentifierManager.SharedInstance.Request("in_area"), new func_in_area());
 		}
 		static PdtEvaluator() {
 			_shortops.Add(new PdtOperatorSignature("@", 2), new op_at_2());
@@ -383,6 +384,18 @@ namespace Cryville.Crtr {
 				ret.SetNumber(Mathf.Abs(arg));
 			}
 		}
+		class func_in_area : PdtOperator {
+			public func_in_area() : base(1) { }
+			protected override unsafe void Execute() {
+				var arg = GetOperand(0);
+				if (arg.Type == PdtInternalType.Number && arg.AsNumber() >= 0) {
+					GetReturnFrame(PdtInternalType.Null, 0);
+					return;
+				}
+				var ret = GetReturnFrame(arg.Type, arg.Length);
+				arg.CopyTo(ret);
+			}
+		}
 		unsafe static class oputil {
 			public static float AsNumber(PropSrc src) {
 				if (src == null)