walkability, thanks to freera's templates.ini, although it was broken :D

git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1303 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.FileFormats/IniFile.cs

@@ -61,6 +61,8 @@ namespace OpenRa.FileFormats
 			sections.TryGetValue( s, out section );
 			return section;
 		}
+
+		public IEnumerable<IniSection> Sections { get { return sections.Values; } }
 	}
 
 	public class IniSection : IEnumerable<KeyValuePair<string, string>>

OpenRa.FileFormats/OpenRa.FileFormats.csproj

@@ -52,6 +52,7 @@
     <Compile Include="ShpReader.cs" />
     <Compile Include="Terrain.cs" />
     <Compile Include="TileSet.cs" />
+    <Compile Include="Walkability.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 

OpenRa.FileFormats/TileSet.cs

@@ -9,6 +9,9 @@ namespace OpenRa.FileFormats
 	public class TileSet
 	{
 		public readonly Dictionary<ushort, Terrain> tiles = new Dictionary<ushort, Terrain>();
+		public readonly Dictionary<ushort, Dictionary<int, int>> walk = 
+			new Dictionary<ushort, Dictionary<int, int>>();	// cjf will fix
+
 		public readonly Package MixFile;
 
 		string NextLine( StreamReader reader )
@@ -27,6 +30,8 @@ namespace OpenRa.FileFormats
 
 		public TileSet( Package mixFile, string suffix )
 		{
+			Walkability walkability = new Walkability();
+
 			char tileSetChar = char.ToUpperInvariant( suffix[ 1 ] );
 			MixFile = mixFile;
 			StreamReader tileIdFile = File.OpenText( "../../../tileSet.til" );
@@ -36,7 +41,7 @@ namespace OpenRa.FileFormats
 				string tileSetStr = NextLine( tileIdFile );
 				string countStr = NextLine( tileIdFile );
 				string startStr = NextLine( tileIdFile );
-				string pattern = NextLine( tileIdFile ) + suffix;
+				string pattern = NextLine( tileIdFile );
 				if( tileSetStr == null || countStr == null || startStr == null || pattern == null )
 					break;
 
@@ -47,7 +52,12 @@ namespace OpenRa.FileFormats
 				int start = int.Parse( startStr, NumberStyles.HexNumber );
 				for( int i = 0 ; i < count ; i++ )
 				{
-					Stream s = mixFile.GetContent(string.Format(pattern, i + 1));
+					string tilename = string.Format(pattern, i + 1);
+
+					if (!walk.ContainsKey((ushort)(start + i)))
+						walk.Add((ushort)(start + i), walkability.GetWalkability(tilename));
+
+					Stream s = mixFile.GetContent(tilename + suffix);
 					if (!tiles.ContainsKey((ushort)(start + i)))
 						tiles.Add((ushort)(start + i), new Terrain(s));
 				}

OpenRa.FileFormats/Walkability.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.Text.RegularExpressions;
+
+namespace OpenRa.FileFormats
+{
+	public class Walkability
+	{
+		const string src = "../../../templates.ini";
+
+		Dictionary<string, Dictionary<int, int>> walkability =
+			new Dictionary<string, Dictionary<int, int>>();
+
+		public Walkability()
+		{
+			IniFile file = new IniFile(File.OpenRead(src));
+			Regex pattern = new Regex(@"tiletype(\d+)");
+
+			foreach (IniSection section in file.Sections)
+			{
+				string name = section.GetValue("Name", null).ToLowerInvariant();
+
+				Dictionary<int, int> tileWalkability = new Dictionary<int, int>();
+				foreach (KeyValuePair<string, string> p in section)
+				{
+					Match m = pattern.Match(p.Key);
+					if (m != null && m.Success)
+						tileWalkability.Add(int.Parse(m.Groups[1].Value), int.Parse(p.Value));
+				}
+
+				walkability[name] = tileWalkability;
+			}
+		}
+
+		public Dictionary<int, int> GetWalkability(string terrainName)
+		{
+			return walkability[terrainName];
+		}
+	}
+}

OpenRa.Game/PathFinder.cs

@@ -14,6 +14,21 @@ namespace OpenRa.Game
 		bool[ , ] passable = new bool[ 128, 128 ];
 		Map map;
 
+		static bool IsPassable(int terrainType)
+		{
+			switch (terrainType)
+			{
+				case 0:
+				case 2:
+				case 6:
+				case 8:
+				case 9:
+					return true;
+				default:
+					return false;
+			}
+		}
+
 		public PathFinder( Map map, TileSet tileSet )
 		{
 			this.map = map;
@@ -26,9 +41,11 @@ namespace OpenRa.Game
 						passable[x, y] = false;
 					else
 					{
-						// HACK: water( tiles 1 and 2) are impassable
-						passable[ x, y ] = ( map.MapTiles[ x, y ].tile != 1 && map.MapTiles[ x, y ].tile != 2 );
-						// TODO: implement all the different terrain classes, including bonuses for roads etc
+						TileReference r = map.MapTiles[x, y];
+						if (r.tile == 0xffff || r.tile == 0xff)
+							r.image = 0;
+
+						passable[x, y] = IsPassable(tileSet.walk[r.tile][r.image]);
 					}
 				}
 			}