Add project files.

Assets/Cryville/Crtr/PropSrc.cs

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+using Cryville.Common.Pdt;
+using System;
+
+namespace Cryville.Crtr {
+	public abstract class PropSrc {
+		int _type;
+		byte[] _buf = null;
+		public void Get(out int type, out byte[] value) {
+			if (_buf == null) InternalGet(out _type, out _buf);
+			type = _type;
+			value = _buf;
+		}
+		protected abstract void InternalGet(out int type, out byte[] value);
+		public class Arbitrary : PropSrc {
+			readonly new int _type;
+			readonly byte[] _value;
+			public Arbitrary(int type, byte[] value) {
+				_type = type;
+				_value = value;
+			}
+			protected override void InternalGet(out int type, out byte[] value) {
+				type = _type;
+				value = _value;
+			}
+		}
+		public class Boolean : PropSrc {
+			readonly Func<bool> _cb;
+			public Boolean(Func<bool> cb) { _cb = cb; }
+			protected override void InternalGet(out int type, out byte[] value) {
+				type = PdtInternalType.Number;
+				value = new byte[] { _cb() ? (byte)1 : (byte)0, 0, 0, 0 };
+			}
+		}
+		public class Float : PropSrc {
+			readonly Func<float> _cb;
+			public Float(Func<float> cb) { _cb = cb; }
+			protected override void InternalGet(out int type, out byte[] value) {
+				type = PdtInternalType.Number;
+				value = BitConverter.GetBytes(_cb());
+			}
+		}
+		public class String : PropSrc {
+			readonly Func<string> _cb;
+			public String(Func<string> cb) { _cb = cb; }
+			protected override unsafe void InternalGet(out int type, out byte[] value) {
+				type = PdtInternalType.String;
+				var v = _cb();
+				int strlen = v.Length;
+				value = new byte[strlen * sizeof(char) + sizeof(int)];
+				fixed (byte* _ptr = value) {
+					char* ptr = (char*)(_ptr + sizeof(int));
+					*(int*)_ptr = strlen;
+					int i = 0;
+					foreach (var c in v) ptr[i++] = c;
+				}
+			}
+		}
+	}
+}