Add algorithms for converting map coordinates.

research/map_coordinates.md

@@ -0,0 +1,18 @@
+Conversion of a Level coordinate into a 2D map coordinate:
+```csharp
+private double ToMapCoordinate(double val) {
+	var c = Map.SizeFactor / 100.0;
+
+	val *= c;
+	return ((41.0 / c) * ((val + 1024.0) / 2048.0)) + 1;
+}
+```
+
+Conversion of a FishingSpot coordinate into a 2D map coordinate:
+```csharp
+private double ToMapCoordinate(double val) {
+	var c = TerritoryType.Map.SizeFactor / 100.0;
+
+	return (41.0 / c) * ((val) / 2048.0) + 1;
+}
+```