Add "has" helper function to TileClass, so that one can find out if the given tile is marked with that class or not without having to fallback to Constraints.

Performance improvement for Ambush, refs #5011.

This was SVN commit r21414.

binaries/data/mods/public/maps/random/ambush.js

@@ -35,7 +35,7 @@ addElements([
 		"avoid": [g_TileClasses.bluffIgnore, 0],
 		"sizes": ["normal", "big", "huge"],
 		"mixes": ["same"],
-		"amounts": ["tons"]
+		"amounts": ["many"]
 	},
 	{
 		"func": addHills,

binaries/data/mods/public/maps/random/latium.js

@@ -143,7 +143,7 @@ for (var ix = 0; ix <= mapSize; ix++)
 		var pn = playerNearness(x, z);
 
 		let c = startAngle ? z : x;
-		let distToWater = stayClasses(clWater, 1).allows(position) ? 0 : (0.5 - WATER_WIDTH - Math.abs(c - 0.5));
+		let distToWater = clWater.has(position) ? 0 : (0.5 - WATER_WIDTH - Math.abs(c - 0.5));
 		let h = distToWater ? heightHill * (1 - Math.abs(c - 0.5) / (0.5 - WATER_WIDTH)) : g_Map.getHeight(position);
 
 		// add some base noise

binaries/data/mods/public/maps/random/mediterranean.js

@@ -174,7 +174,7 @@ if (!isNomad())
 	for (let i = 0; i < getNumPlayers(); ++i)
 	{
 		g_Map.logger.printDuration();
-		setBiome(climateZones.find(zone => stayClasses(zone.tileClass, 1).allows(playerPosition[i])).biome);
+		setBiome(climateZones.find(zone => zone.tileClass.has(playerPosition[i])).biome);
 
 		createArea(
 			new ClumpPlacer(diskArea(defaultPlayerBaseRadius() * 0.8), 0.95, 0.6, Infinity, playerPosition[i]),

binaries/data/mods/public/maps/random/rmgen/TileClass.js

@@ -76,6 +76,11 @@ function TileClass(size)
 	}
 }
 
+TileClass.prototype.has = function(position)
+{
+	return !!this.inclusionCount[position.x] && !!this.inclusionCount[position.x][position.y];
+}
+
 TileClass.prototype.add = function(position)
 {
 	if (!this.inclusionCount[position.x][position.y] && g_Map.validTile(position))