Merge FileFormats dll into Game and reorganise namespaces.

2014-04-16 23:19:24 +12:00
parent 5a698d612f
commit 4935266945
246 changed files with 423 additions and 922 deletions
--- a/OpenRA.Game/FieldLoader.cs
+++ b/OpenRA.Game/FieldLoader.cs
@@ -0,0 +1,419 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2013 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Globalization;
+using System.Linq;
+using System.Reflection;
+using System.Text.RegularExpressions;
+using OpenRA.Graphics;
+using OpenRA.Primitives;
+
+namespace OpenRA
+{
+	public static class FieldLoader
+	{
+		public static Func<string, Type, string, object> InvalidValueAction = (s, t, f) =>
+		{
+			throw new InvalidOperationException("FieldLoader: Cannot parse `{0}` into `{1}.{2}` ".F(s, f, t));
+		};
+
+		public static Action<string, Type> UnknownFieldAction = (s, f) =>
+		{
+			throw new NotImplementedException("FieldLoader: Missing field `{0}` on `{1}`".F(s, f.Name));
+		};
+
+		public static void Load(object self, MiniYaml my)
+		{
+			var loadDict = typeLoadInfo[self.GetType()];
+
+			foreach (var kv in loadDict)
+			{
+				object val;
+				if (kv.Value != null)
+					val = kv.Value(kv.Key.Name, kv.Key.FieldType, my);
+				else if (!TryGetValueFromYaml(kv.Key, my, out val))
+					continue;
+
+				kv.Key.SetValue(self, val);
+			}
+		}
+
+		static bool TryGetValueFromYaml(FieldInfo field, MiniYaml yaml, out object ret)
+		{
+			ret = null;
+			var n = yaml.Nodes.Where(x => x.Key == field.Name).ToList();
+			if (n.Count == 0)
+				return false;
+			if (n.Count == 1 && n[0].Value.Nodes.Count == 0)
+			{
+				ret = GetValue(field.Name, field.FieldType, n[0].Value.Value, field);
+				return true;
+			}
+			else if (n.Count > 1)
+			{
+				throw new InvalidOperationException("The field {0} has multiple definitions:\n{1}"
+					.F(field.Name, n.Select(m => "\t- " + m.Location).JoinWith("\n")));
+			}
+
+			throw new InvalidOperationException("TryGetValueFromYaml: unable to load field {0} (of type {1})".F(field.Name, field.FieldType));
+		}
+
+		public static T Load<T>(MiniYaml y) where T : new()
+		{
+			var t = new T();
+			Load(t, y);
+			return t;
+		}
+
+		static readonly object[] NoIndexes = { };
+		public static void LoadField(object self, string key, string value)
+		{
+			var field = self.GetType().GetField(key.Trim());
+
+			if (field != null)
+			{
+				if (!field.HasAttribute<FieldFromYamlKeyAttribute>())
+					field.SetValue(self, GetValue(field.Name, field.FieldType, value, field));
+				return;
+			}
+
+			var prop = self.GetType().GetProperty(key.Trim());
+
+			if (prop != null)
+			{
+				if (!prop.HasAttribute<FieldFromYamlKeyAttribute>())
+					prop.SetValue(self, GetValue(prop.Name, prop.PropertyType, value, prop), NoIndexes);
+				return;
+			}
+
+			UnknownFieldAction(key.Trim(), self.GetType());
+		}
+
+		public static T GetValue<T>(string field, string value)
+		{
+			return (T)GetValue(field, typeof(T), value, null);
+		}
+
+		public static object GetValue(string fieldName, Type fieldType, string value)
+		{
+			return GetValue(fieldName, fieldType, value, null);
+		}
+
+		public static object GetValue(string fieldName, Type fieldType, string value, MemberInfo field)
+		{
+			if (value != null) value = value.Trim();
+
+			if (fieldType == typeof(int))
+			{
+				int res;
+				if (int.TryParse(value, out res))
+					return res;
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(ushort))
+			{
+				ushort res;
+				if (ushort.TryParse(value, out res))
+					return res;
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			if (fieldType == typeof(long))
+			{
+				long res;
+				if (long.TryParse(value, out res))
+					return res;
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(float))
+			{
+				float res;
+				if (float.TryParse(value.Replace("%", ""),  NumberStyles.Any, NumberFormatInfo.InvariantInfo, out res))
+					return res * (value.Contains('%') ? 0.01f : 1f);
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(decimal))
+			{
+				decimal res;
+				if (decimal.TryParse(value.Replace("%", ""),  NumberStyles.Any, NumberFormatInfo.InvariantInfo, out res))
+					return res * (value.Contains('%') ? 0.01m : 1m);
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(string))
+			{
+				if (field != null && field.HasAttribute<TranslateAttribute>())
+					return Regex.Replace(value, "@[^@]+@", m => Translate(m.Value.Substring(1, m.Value.Length - 2)), RegexOptions.Compiled);
+				return value;
+			}
+
+			else if (fieldType == typeof(Color))
+			{
+				var parts = value.Split(',');
+				if (parts.Length == 3)
+					return Color.FromArgb(int.Parse(parts[0]).Clamp(0, 255), int.Parse(parts[1]).Clamp(0, 255), int.Parse(parts[2]).Clamp(0, 255));
+				if (parts.Length == 4)
+					return Color.FromArgb(int.Parse(parts[0]).Clamp(0, 255), int.Parse(parts[1]).Clamp(0, 255), int.Parse(parts[2]).Clamp(0, 255), int.Parse(parts[3]).Clamp(0, 255));
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(HSLColor))
+			{
+				var parts = value.Split(',');
+
+				// Allow old ColorRamp format to be parsed as HSLColor
+				if (parts.Length == 3 || parts.Length == 4)
+					return new HSLColor(
+						(byte)int.Parse(parts[0]).Clamp(0, 255),
+						(byte)int.Parse(parts[1]).Clamp(0, 255),
+						(byte)int.Parse(parts[2]).Clamp(0, 255));
+
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(Hotkey))
+			{
+				Hotkey res;
+				if (Hotkey.TryParse(value, out res))
+					return res;
+
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(WRange))
+			{
+				WRange res;
+				if (WRange.TryParse(value, out res))
+					return res;
+
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(WVec))
+			{
+				var parts = value.Split(',');
+				if (parts.Length == 3)
+				{
+					WRange rx, ry, rz;
+					if (WRange.TryParse(parts[0], out rx) && WRange.TryParse(parts[1], out ry) && WRange.TryParse(parts[2], out rz))
+						return new WVec(rx, ry, rz);
+				}
+
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(WPos))
+			{
+				var parts = value.Split(',');
+				if (parts.Length == 3)
+				{
+					WRange rx, ry, rz;
+					if (WRange.TryParse(parts[0], out rx) && WRange.TryParse(parts[1], out ry) && WRange.TryParse(parts[2], out rz))
+						return new WPos(rx, ry, rz);
+				}
+
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(WAngle))
+			{
+				int res;
+				if (int.TryParse(value, out res))
+					return new WAngle(res);
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(WRot))
+			{
+				var parts = value.Split(',');
+				if (parts.Length == 3)
+				{
+					int rr, rp, ry;
+					if (int.TryParse(value, out rr) && int.TryParse(value, out rp) && int.TryParse(value, out ry))
+						return new WRot(new WAngle(rr), new WAngle(rp), new WAngle(ry));
+				}
+
+				return InvalidValueAction(value, fieldType, fieldName);
+			}
+
+			else if (fieldType == typeof(CPos))
+			{
+				var parts = value.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+				return new CPos(int.Parse(parts[0]), int.Parse(parts[1]));
+			}
+
+			else if (fieldType == typeof(CVec))
+			{
+				var parts = value.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+				return new CVec(int.Parse(parts[0]), int.Parse(parts[1]));
+			}
+
+			else if (fieldType.IsEnum)
+			{
+				if (!Enum.GetNames(fieldType).Select(a => a.ToLower()).Contains(value.ToLower()))
+					return InvalidValueAction(value, fieldType, fieldName);
+				return Enum.Parse(fieldType, value, true);
+			}
+
+			else if (fieldType == typeof(bool))
+				return ParseYesNo(value, fieldType, fieldName);
+
+			else if (fieldType.IsArray)
+			{
+				if (value == null)
+					return Array.CreateInstance(fieldType.GetElementType(), 0);
+
+				var parts = value.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+
+				var ret = Array.CreateInstance(fieldType.GetElementType(), parts.Length);
+				for (int i = 0; i < parts.Length; i++)
+					ret.SetValue(GetValue(fieldName, fieldType.GetElementType(), parts[i].Trim(), field), i);
+				return ret;
+			}
+
+			else if (fieldType == typeof(Size))
+			{
+				var parts = value.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+				return new Size(int.Parse(parts[0]), int.Parse(parts[1]));
+			}
+
+			else if (fieldType == typeof(int2))
+			{
+				var parts = value.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+				return new int2(int.Parse(parts[0]), int.Parse(parts[1]));
+			}
+
+			else if (fieldType == typeof(float2))
+			{
+				var parts = value.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+				float xx = 0;
+				float yy = 0;
+				float res;
+				if (float.TryParse(parts[0].Replace("%", ""), out res))
+					xx = res * (parts[0].Contains('%') ? 0.01f : 1f);
+				if (float.TryParse(parts[1].Replace("%", ""), out res))
+					yy = res * (parts[1].Contains('%') ? 0.01f : 1f);
+				return new float2(xx, yy);
+			}
+
+			else if (fieldType == typeof(Rectangle))
+			{
+				var parts = value.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+				return new Rectangle(int.Parse(parts[0]), int.Parse(parts[1]), int.Parse(parts[2]), int.Parse(parts[3]));
+			}
+
+			else if (fieldType.IsGenericType && fieldType.GetGenericTypeDefinition() == typeof(Bits<>))
+			{
+				var parts = value.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+				var argTypes = new Type[] { typeof(string[]) };
+				var argValues = new object[] { parts };
+				return fieldType.GetConstructor(argTypes).Invoke(argValues);
+			}
+
+			else if (fieldType.IsGenericType && fieldType.GetGenericTypeDefinition() == typeof(Nullable<>))
+			{
+				var innerType = fieldType.GetGenericArguments().First();
+				var innerValue = GetValue("Nullable<T>", innerType, value, field);
+				return fieldType.GetConstructor(new[] { innerType }).Invoke(new[] { innerValue });
+			}
+
+			UnknownFieldAction("[Type] {0}".F(value), fieldType);
+			return null;
+		}
+
+		static object ParseYesNo(string p, Type fieldType, string field)
+		{
+			p = p.ToLowerInvariant();
+			if (p == "yes") return true;
+			if (p == "true") return true;
+			if (p == "no") return false;
+			if (p == "false") return false;
+			return InvalidValueAction(p, fieldType, field);
+		}
+
+		static Cache<Type, Dictionary<FieldInfo, Func<string, Type, MiniYaml, object>>> typeLoadInfo = new Cache<Type, Dictionary<FieldInfo, Func<string, Type, MiniYaml, object>>>(GetTypeLoadInfo);
+
+		static Dictionary<FieldInfo, Func<string, Type, MiniYaml, object>> GetTypeLoadInfo(Type type)
+		{
+			var ret = new Dictionary<FieldInfo, Func<string, Type, MiniYaml, object>>();
+
+			foreach (var ff in type.GetFields())
+			{
+				var field = ff;
+				var ignore = field.GetCustomAttributes<IgnoreAttribute>(false);
+				var loadUsing = field.GetCustomAttributes<LoadUsingAttribute>(false);
+				var fromYamlKey = field.GetCustomAttributes<FieldFromYamlKeyAttribute>(false);
+				if (loadUsing.Length != 0)
+					ret[field] = (_1, fieldType, yaml) => loadUsing[0].LoaderFunc(field)(yaml);
+				else if (fromYamlKey.Length != 0)
+					ret[field] = (f, ft, yaml) => GetValue(f, ft, yaml.Value, field);
+				else if (ignore.Length == 0)
+					ret[field] = null;
+			}
+
+			return ret;
+		}
+
+		[AttributeUsage(AttributeTargets.Field)]
+		public class IgnoreAttribute : Attribute { }
+
+		[AttributeUsage(AttributeTargets.Field)]
+		public class LoadUsingAttribute : Attribute
+		{
+			Func<MiniYaml, object> loaderFuncCache;
+			public readonly string Loader;
+
+			public LoadUsingAttribute(string loader)
+			{
+				Loader = loader;
+			}
+
+			internal Func<MiniYaml, object> LoaderFunc(FieldInfo field)
+			{
+				const BindingFlags BindingFlag = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static;
+				if (loaderFuncCache == null)
+					loaderFuncCache = (Func<MiniYaml, object>)Delegate.CreateDelegate(typeof(Func<MiniYaml, object>), field.DeclaringType.GetMethod(Loader, BindingFlag));
+				return loaderFuncCache;
+			}
+		}
+
+		public static string Translate(string key)
+		{
+			if (Translations == null || string.IsNullOrEmpty(key))
+				return key;
+
+			string value;
+			if (!Translations.TryGetValue(key, out value))
+				return key;
+
+			return value;
+		}
+
+		public static Dictionary<string, string> Translations = new Dictionary<string, string>();
+	}
+
+	[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
+	public class TranslateAttribute : Attribute { }
+
+	public class FieldFromYamlKeyAttribute : Attribute { }
+
+	// mirrors DescriptionAttribute from System.ComponentModel but we dont want to have to use that everywhere.
+	public class DescAttribute : Attribute
+	{
+		public readonly string[] Lines;
+		public DescAttribute(params string[] lines) { Lines = lines; }
+	}
+}