Optimize GC for vector property source.

Assets/Cryville/Crtr/Chart.cs

@@ -320,7 +320,7 @@ namespace Cryville.Crtr {
 				else {
 					AbsoluteValue = Vector.Construct(registry.Type, m.Groups[11].Value);
 				}
-				SubmitPropSrc("value", VectorSrc.Construct(() => {
+				SubmitPropSrc("value", new VectorSrc(() => {
 					if (RelativeNode != null) return RelativeNode.Value;
 					else return AbsoluteValue;
 				}));

Assets/Cryville/Crtr/Motion.cs

@@ -361,7 +361,7 @@ namespace Cryville.Crtr {
 		public abstract float DelerpWith(Vector start, Vector value);
 		public abstract bool IsZero();
 		public override abstract string ToString();
-		public abstract float[] ToArray();
+		public abstract unsafe void ToArray(float* arr);
 
 		public Vector Clone() {
 			return (Vector)MemberwiseClone();
@@ -442,8 +442,8 @@ namespace Cryville.Crtr {
 			return Value.ToString(CultureInfo.InvariantCulture);
 		}
 
-		public override float[] ToArray() {
+		public override unsafe void ToArray(float* arr) {
-			return new float[] { Value };
+			arr[0] = Value;
 		}
 	}
 
@@ -504,8 +504,8 @@ namespace Cryville.Crtr {
 			return Value.ToString(CultureInfo.InvariantCulture);
 		}
 
-		public override float[] ToArray() {
+		public override unsafe void ToArray(float* arr) {
-			return new float[] { Value };
+			arr[0] = Value;
 		}
 	}
 
@@ -566,8 +566,8 @@ namespace Cryville.Crtr {
 			return Value.ToString(CultureInfo.InvariantCulture);
 		}
 
-		public override float[] ToArray() {
+		public override unsafe void ToArray(float* arr) {
-			return new float[] { Value };
+			arr[0] = Value;
 		}
 	}
 
@@ -669,8 +669,9 @@ namespace Cryville.Crtr {
 			return ToString(w, h);
 		}
 
-		public override float[] ToArray() {
+		public override unsafe void ToArray(float* arr) {
-			return new float[] { w.Value, h.Value };
+			arr[0] = w.Value;
+			arr[1] = h.Value;
 		}
 	}
 
@@ -764,8 +765,10 @@ namespace Cryville.Crtr {
 			);
 		}
 
-		public override float[] ToArray() {
+		public override unsafe void ToArray(float* arr) {
-			return new float[] { x.Value, y.Value, z.Value };
+			arr[0] = x.Value;
+			arr[1] = y.Value;
+			arr[2] = z.Value;
 		}
 	}
 
@@ -845,8 +848,11 @@ namespace Cryville.Crtr {
 			return VecPtComp.ToString(xw, xh) + "," + VecPtComp.ToString(yw, yh);
 		}
 
-		public override float[] ToArray() {
+		public override unsafe void ToArray(float* arr) {
-			return new float[] { xw.Value, xh.Value, yw.Value, yh.Value };
+			arr[0] = xw.Value;
+			arr[1] = xh.Value;
+			arr[2] = yw.Value;
+			arr[3] = yh.Value;
 		}
 	}
 
@@ -936,40 +942,25 @@ namespace Cryville.Crtr {
 			return VecPtComp.ToString(xw, xh) + "," + VecPtComp.ToString(yw, yh) + "," + (z != null ? z.Value.ToString(CultureInfo.InvariantCulture) : "");
 		}
 
-		public override float[] ToArray() {
+		public override unsafe void ToArray(float* arr) {
-			return new float[] { xw.Value, xh.Value, yw.Value, yh.Value, z.Value };
+			arr[0] = xw.Value;
+			arr[1] = xh.Value;
+			arr[2] = yw.Value;
+			arr[3] = yh.Value;
+			arr[4] = z.Value;
 		}
 	}
 
-	public abstract class VectorSrc : PropSrc {
+	public class VectorSrc : PropSrc.FixedBuffer {
 		protected readonly Func<Vector> _cb;
-		public VectorSrc(Func<Vector> cb, int type) : base(type) { _cb = cb; }
+		public VectorSrc(Func<Vector> cb) : base(PdtInternalType.Vector, 8 * sizeof(float) + sizeof(int)) { _cb = cb; }
-		public static VectorSrc Construct(Func<Vector> cb) {
-			if (cb().Dimension == 1) return new INumber(cb);
-			else return new IVector(cb);
-		}
-		class INumber : VectorSrc {
-			public INumber(Func<Vector> cb) : base(cb, PdtInternalType.Number) { }
 		protected override unsafe void InternalGet() {
-				var arr = _cb().ToArray();
+			var v = _cb();
-				buf = new byte[sizeof(float)];
+			if (v.Dimension > 8) throw new NotSupportedException("Vector dimension too large");
-				fixed (byte* ptr = buf) {
-					*(float*)ptr = arr[0];
-				}
-			}
-		}
-		class IVector : VectorSrc {
-			public IVector(Func<Vector> cb) : base(cb, PdtInternalType.Vector) { }
-			protected override unsafe void InternalGet() {
-				var arr = _cb().ToArray();
-				buf = new byte[sizeof(float) * arr.Length + sizeof(int)];
 			fixed (byte* rptr = buf) {
 				var ptr = (float*)rptr;
-					for (int i = 0; i < arr.Length; i++, ptr++) {
+				v.ToArray(ptr);
-						*ptr = arr[i];
+				*(int*)(ptr + v.Dimension) = PdtInternalType.Number;
-					}
-					*(int*)ptr = PdtInternalType.Number;
-				}
 			}
 		}
 	}

Assets/Cryville/Crtr/PdtEvaluator.cs

@@ -13,6 +13,8 @@ namespace Cryville.Crtr {
 
 		static readonly byte[] _nullbuf = new byte[0];
 		readonly byte[] _numbuf = new byte[4];
+		readonly PropSrc _vecsrc;
+		Vector _vec;
 		static readonly int _var_w = IdentifierManager.SharedInstance.Request("w");
 		static readonly int _var_h = IdentifierManager.SharedInstance.Request("h");
 		static readonly int _var_current_time = IdentifierManager.SharedInstance.Request("current_time");
@@ -32,8 +34,9 @@ namespace Cryville.Crtr {
 					prop.Get(out type, out value);
 				}
 				else if (ContextState != null && ChartPlayer.motionRegistry.ContainsKey(id)) {
-					var vec = ContextState.GetRawValue(id);
+					_vec = ContextState.GetRawValue(id);
-					VectorSrc.Construct(() => vec).Get(out type, out value);
+					_vecsrc.Invalidate();
+					_vecsrc.Get(out type, out value);
 				}
 				else if (ContextState != null && ContextState.Handler.PropSrcs.TryGetValue(name, out prop)) {
 					prop.Get(out type, out value);
@@ -140,6 +143,7 @@ namespace Cryville.Crtr {
 		public PdtEvaluator() {
 			ContextCascadeBlocks.Push(0);
 			for (int i = 0; i < ContextCascade.Length; i++) ContextCascade[i] = new Dictionary<int, PropSrc>();
+			_vecsrc = new VectorSrc(() => _vec);
 
 			_ctxops.Add(IdentifierManager.SharedInstance.Request("screen_edge"), new func_screen_edge(() => ContextTransform));
 			_ctxops.Add(IdentifierManager.SharedInstance.Request("int"), new func_int(() => ContextSelfValue));