From 20f4de383207697cbae373efdbac447d89529cd6 Mon Sep 17 00:00:00 2001
From: PopSlime <popslime@qq.com>
Date: Fri, 11 Nov 2022 00:36:16 +0800
Subject: [PATCH] Implement int_map function. Remove "long operator" concept.

---
 Assets/Cryville/Crtr/PdtEvaluator.cs | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/Assets/Cryville/Crtr/PdtEvaluator.cs b/Assets/Cryville/Crtr/PdtEvaluator.cs
index d23e159..b93b508 100644
--- a/Assets/Cryville/Crtr/PdtEvaluator.cs
+++ b/Assets/Cryville/Crtr/PdtEvaluator.cs
@@ -7,7 +7,6 @@ using UnityEngine;
 namespace Cryville.Crtr {
 	public class PdtEvaluator : PdtEvaluatorBase {
 		static readonly Dictionary<PdtOperatorSignature, PdtOperator> _shortops = new Dictionary<PdtOperatorSignature, PdtOperator>();
-		static readonly Dictionary<int, PdtOperator> _longops = new Dictionary<int, PdtOperator>();
 		readonly Dictionary<int, PdtOperator> _ctxops = new Dictionary<int, PdtOperator>();
 
 		readonly byte[] _numbuf = new byte[4];
@@ -63,6 +62,7 @@ namespace Cryville.Crtr {
 			return result;
 		}
 		static readonly int _op_sep = IdentifierManager.SharedInstance.Request(",");
+		static readonly int _func_int_map = IdentifierManager.SharedInstance.Request("int_map");
 		protected override PdtOperator GetOperator(PdtOperatorSignature sig) {
 			PdtOperator result;
 			if (_shortops.TryGetValue(sig, out result)) {
@@ -73,7 +73,9 @@ namespace Cryville.Crtr {
 				_shortops.Add(new PdtOperatorSignature(_op_sep, sig.ParamCount), result);
 				return result;
 			}
-			else if (_longops.TryGetValue(sig.Name, out result)) {
+			else if (sig.Name == _func_int_map) {
+				result = new func_int_map(sig.ParamCount);
+				_shortops.Add(new PdtOperatorSignature(_func_int_map, sig.ParamCount), result);
 				return result;
 			}
 			else if (_ctxops.TryGetValue(sig.Name, out result)) {
@@ -145,8 +147,8 @@ namespace Cryville.Crtr {
 
 			_shortops.Add(new PdtOperatorSignature("!", 1), new op_not_1());
 
-			_longops.Add(IdentifierManager.SharedInstance.Request("frame_seq"), new func_frame_seq());
-			_longops.Add(IdentifierManager.SharedInstance.Request("in_area"), new func_in_area());
+			_shortops.Add(new PdtOperatorSignature("frame_seq", 3), new func_frame_seq());
+			_shortops.Add(new PdtOperatorSignature("in_area", 1), new func_in_area());
 		}
 		#region Operators
 #pragma warning disable IDE1006
@@ -411,6 +413,21 @@ namespace Cryville.Crtr {
 				}
 			}
 		}
+		class func_int_map : PdtOperator {
+			public func_int_map(int pc) : base(pc) {
+				if (pc < 4) throw new ArgumentOutOfRangeException("Too few parameters for int_map");
+			}
+			protected override unsafe void Execute() {
+				var value = GetOperand(0).AsNumber();
+				var offset = GetOperand(1).AsNumber();
+				var step = GetOperand(2).AsNumber();
+				var index = (int)((value - offset) / step);
+				if (index < 0 || index >= LoadedOperandCount - 3) index = 0;
+				var hit = GetOperand(index + 3);
+				var ret = GetReturnFrame(hit.Type, hit.Length);
+				hit.CopyTo(ret);
+			}
+		}
 		unsafe static class oputil {
 			public static float AsNumber(PropSrc src) {
 				if (src == null)