diff --git a/binaries/data/mods/public/maps/random/archipelago.js b/binaries/data/mods/public/maps/random/archipelago.js
index d2bc0b0874..4968b47700 100644
--- a/binaries/data/mods/public/maps/random/archipelago.js
+++ b/binaries/data/mods/public/maps/random/archipelago.js
@@ -57,9 +57,9 @@ log("Initializing map...");
 
 InitMap();
 
-var numPlayers = getNumPlayers();
-var mapSize = getMapSize();
-var mapArea = mapSize*mapSize;
+const numPlayers = getNumPlayers();
+const mapSize = getMapSize();
+const mapArea = mapSize*mapSize;
 
 // create tile classes
 
diff --git a/binaries/data/mods/public/maps/random/ardennes_forest.js b/binaries/data/mods/public/maps/random/ardennes_forest.js
index 13d18bbff1..6f5826af7d 100644
--- a/binaries/data/mods/public/maps/random/ardennes_forest.js
+++ b/binaries/data/mods/public/maps/random/ardennes_forest.js
@@ -27,8 +27,8 @@ log("Initializing map...");
 
 InitMap();
 
-var numPlayers = getNumPlayers();
-var mapSize = getMapSize();
+const numPlayers = getNumPlayers();
+const mapSize = getMapSize();
 
 const tGrass = ["new_alpine_grass_b", "new_alpine_grass_c", "new_alpine_grass_d"];
 const tPineForestFloor = "temp_forestfloor_pine";
@@ -537,7 +537,7 @@ for (var i = 0; i < sizes.length; i++)
 	createAreas(
 		placer,
 		painter,
-		avoidClasses(clForest, 0, clHill, 2, clPlayer, 5),
+		avoidClasses(clForest, 1, clHill, 2, clPlayer, 5),
 		scaleByMapSize(4, 12)
 	);
 }
@@ -607,6 +607,17 @@ createObjectGroupsByAreas(group, 0,
 
 RMS.SetProgress(85);
 
+// create berry bush
+log("Creating berry bush...");
+group = new SimpleGroup(
+	[new SimpleObject(oBerryBush, 5,7, 0,4)],
+	true, clFood
+);
+createObjectGroups(group, 0,
+	avoidClasses(clWater, 3, clForest, 0, clPlayer, 20, clHill, 1, clFood, 20),
+	randInt(3, 12) * numPlayers + 2, 50
+);
+
 log("Creating decorative props...");
 group = new SimpleGroup(
 	[
diff --git a/binaries/data/mods/public/maps/random/atlas_mountains.js b/binaries/data/mods/public/maps/random/atlas_mountains.js
index 25a07a2f73..30a8379107 100644
--- a/binaries/data/mods/public/maps/random/atlas_mountains.js
+++ b/binaries/data/mods/public/maps/random/atlas_mountains.js
@@ -1,15 +1,16 @@
 RMS.LoadLibrary("rmgen");
 
 // terrain textures
-const tGrass = ["medit_rocks_grass", "medit_rocks_grass_shrubs", "medit_rocks_shrubs"];
-const tGrassPForest = "medit_grass_field_dry";
-const tGrassDForest = "medit_grass_field_dry";
+const tGrass = ["medit_rocks_grass_shrubs", "medit_rocks_shrubs"];
+const tForestFloor = "medit_grass_field_dry";
 const tCliff = "medit_cliff_italia";
 const tHill = ["medit_rocks_grass", "medit_rocks_grass_shrubs", "medit_rocks_shrubs"];
+const tGrassDirt = "medit_rocks_grass";
 const tDirt = "medit_dirt";
 const tRoad = "medit_city_tile";
 const tRoadWild = "medit_city_tile";
-const tGrassPatch = "medit_grass_shrubs";
+const tGrass2 = "medit_rocks_grass_shrubs";
+const tGrassPatch = "medit_grass_wild";
 const tShoreBlend = "medit_sand";
 const tShore = "medit_sand";
 const tWater = "medit_sand";
@@ -42,8 +43,8 @@ const aAleppoPine = "actor|flora/trees/aleppo_pine.xml";
 
 
 // terrain + entity (for painting)
-const pForestD = [tGrassDForest + TERRAIN_SEPARATOR + oCarob, tGrassDForest];
-const pForestP = [tGrassPForest + TERRAIN_SEPARATOR + oAleppoPine, tGrassPForest];
+const pForest1 = [tForestFloor + TERRAIN_SEPARATOR + oCarob, tForestFloor];
+const pForest2 = [tForestFloor + TERRAIN_SEPARATOR + oAleppoPine, tForestFloor];
 
 const BUILDING_ANGlE = -PI/4;
 
@@ -53,16 +54,15 @@ log("Initializing map...");
 
 InitMap();
 
-var numPlayers = getNumPlayers();
-var mapSize = getMapSize();
-var mapArea = mapSize*mapSize;
+const numPlayers = getNumPlayers();
+const mapSize = getMapSize();
+const mapArea = mapSize*mapSize;
 
 // create tile classes
 
 var clPlayer = createTileClass();
 var clHill = createTileClass();
 var clForest = createTileClass();
-var clWater = createTileClass();
 var clDirt = createTileClass();
 var clRock = createTileClass();
 var clMetal = createTileClass();
@@ -224,7 +224,7 @@ var elevationPainter = new SmoothElevationPainter(ELEVATION_SET, 16, 2);
 createAreas(
 	placer,
 	[terrainPainter, elevationPainter, paintClass(clHill)], 
-	avoidClasses(clPlayer, 16, clWater, 5, clHill, 10),
+	avoidClasses(clPlayer, 20, clHill, 10),
 	6*scaleByMapSize(1, 4) * numPlayers
 );
 
@@ -239,7 +239,7 @@ elevationPainter = new SmoothElevationPainter(ELEVATION_SET, 20, 2);
 createAreas(
 	placer,
 	[terrainPainter, elevationPainter, paintClass(clHill)], 
-	avoidClasses(clPlayer, 16, clWater, 5, clHill, 7),
+	avoidClasses(clPlayer, 20, clHill, 7),
 	7*scaleByMapSize(1, 4) * numPlayers
 );
 
@@ -261,8 +261,8 @@ createAreas(
 RMS.SetProgress(25);
 
 // calculate desired number of trees for map (based on size)
-const MIN_TREES = 500;
-const MAX_TREES = 2500;
+const MIN_TREES = 400;
+const MAX_TREES = 2000;
 const P_FOREST = 0.7;
 
 var totalTrees = scaleByMapSize(MIN_TREES, MAX_TREES);
@@ -272,8 +272,8 @@ var numStragglers = totalTrees * (1.0 - P_FOREST);
 // create forests
 log("Creating forests...");
 var types = [
-	[[tGrassDForest, tGrass, pForestD], [tGrassDForest, pForestD]],
-	[[tGrassPForest, tGrass, pForestP], [tGrassPForest, pForestP]]
+	[[tForestFloor, tGrass, pForest1], [tForestFloor, pForest1]],
+	[[tForestFloor, tGrass, pForest2], [tForestFloor, pForest2]]
 ];	// some variation
 var size = numForest / (scaleByMapSize(2,8) * numPlayers);
 var num = floor(size / types.length);
@@ -287,7 +287,7 @@ for (var i = 0; i < types.length; ++i)
 	createAreas(
 		placer,
 		[painter, paintClass(clForest)], 
-		avoidClasses(clPlayer, 14, clForest, 8, clHill, 1),
+		avoidClasses(clPlayer, 20, clForest, 8, clHill, 1),
 		num
 	);
 }
@@ -301,30 +301,33 @@ for (var i = 0; i < sizes.length; i++)
 {
 	placer = new ClumpPlacer(sizes[i], 0.3, 0.06, 0.5);
 	painter = new LayeredPainter(
-		[tDirt,tDirt], 		// terrains
-		[1]															// widths
+		[tGrassDirt,tDirt], 		// terrains
+		[2]															// widths
 	);
 	createAreas(
 		placer,
 		[painter, paintClass(clDirt)],
-		avoidClasses(clForest, 0, clHill, 0, clDirt, 5, clPlayer, 10),
-		scaleByMapSize(15, 45)
+		avoidClasses(clForest, 0, clHill, 0, clDirt, 3, clPlayer, 10),
+		scaleByMapSize(20, 60)
 	);
 }
 
 // create grass patches
 log("Creating grass patches...");
 
-var sizes = [scaleByMapSize(2, 32), scaleByMapSize(3, 48), scaleByMapSize(5, 80)];
+var sizes = [scaleByMapSize(3, 32), scaleByMapSize(5, 48), scaleByMapSize(8, 80)];
 for (var i = 0; i < sizes.length; i++)
 {
 	placer = new ClumpPlacer(sizes[i], 0.3, 0.06, 0.5);
-	painter = new TerrainPainter(tGrass);
+	painter = new LayeredPainter(
+		[tGrass2,tGrassPatch], 		// terrains
+		[1]															// widths
+	);
 	createAreas(
 		placer,
 		[painter, paintClass(clGrass)],
-		avoidClasses(clForest, 0, clHill, 0, clDirt, 5, clPlayer, 10, clGrass, 15),
-		scaleByMapSize(15, 45)
+		avoidClasses(clForest, 0, clHill, 0, clDirt, 3, clPlayer, 10, clGrass, 15),
+		scaleByMapSize(20, 60)
 	);
 }
 
@@ -334,14 +337,14 @@ log("Creating stone mines...");
 // create large stone quarries
 group = new SimpleGroup([new SimpleObject(oStoneSmall, 0,2, 0,4), new SimpleObject(oStoneLarge, 1,1, 0,4)], true, clRock);
 createObjectGroups(group, 0,
-	[avoidClasses(clForest, 1, clPlayer, 9, clMetal, 10, clRock, 5, clHill, 2)],
+	[avoidClasses(clForest, 1, clPlayer, 20, clMetal, 10, clRock, 5, clHill, 2)],
 	scaleByMapSize(4,16), 100
 );
 
 // create small stone quarries
 group = new SimpleGroup([new SimpleObject(oStoneSmall, 2,5, 1,3)], true, clRock);
 createObjectGroups(group, 0,
-	[avoidClasses(clForest, 1, clPlayer, 9, clMetal, 10, clRock, 5, clHill, 2)],
+	[avoidClasses(clForest, 1, clPlayer, 20, clMetal, 10, clRock, 5, clHill, 2)],
 	scaleByMapSize(4,16), 100
 );
 
@@ -349,7 +352,7 @@ log("Creating metal mines...");
 // create large metal quarries
 group = new SimpleGroup([new SimpleObject(oMetalLarge, 1,1, 0,4)], true, clMetal);
 createObjectGroups(group, 0,
-	[avoidClasses(clForest, 1, clPlayer, 9, clMetal, 10, clRock, 5, clHill, 2)],
+	[avoidClasses(clForest, 1, clPlayer, 20, clMetal, 10, clRock, 5, clHill, 2)],
 	scaleByMapSize(4,16), 100
 );
 
@@ -363,7 +366,7 @@ group = new SimpleGroup(
 );
 createObjectGroups(
 	group, 0,
-	avoidClasses(clWater, 0, clForest, 0, clPlayer, 0, clHill, 0),
+	avoidClasses(clForest, 0, clPlayer, 0, clHill, 0),
 	scaleByMapSize(16, 262), 50
 );
 
@@ -377,7 +380,7 @@ group = new SimpleGroup(
 );
 createObjectGroups(
 	group, 0,
-	avoidClasses(clWater, 0, clForest, 0, clPlayer, 0, clHill, 0),
+	avoidClasses(clForest, 0, clPlayer, 0, clHill, 0),
 	scaleByMapSize(8, 131), 50
 );
 
@@ -390,7 +393,7 @@ group = new SimpleGroup(
 	true, clFood
 );
 createObjectGroups(group, 0,
-	avoidClasses(clWater, 0, clForest, 0, clPlayer, 10, clHill, 1, clFood, 20),
+	avoidClasses(clForest, 0, clPlayer, 20, clHill, 1, clFood, 20),
 	3 * numPlayers, 50
 );
 
@@ -403,10 +406,21 @@ group = new SimpleGroup(
 	true, clFood
 );
 createObjectGroups(group, 0,
-	avoidClasses(clWater, 0, clForest, 0, clPlayer, 10, clHill, 1, clFood, 20),
+	avoidClasses(clForest, 0, clPlayer, 20, clHill, 1, clFood, 20),
 	3 * numPlayers, 50
 );
 
+// create berry bush
+log("Creating berry bush...");
+group = new SimpleGroup(
+	[new SimpleObject(oBerryBush, 5,7, 0,4)],
+	true, clFood
+);
+createObjectGroups(group, 0,
+	avoidClasses(clForest, 0, clPlayer, 20, clHill, 1, clFood, 20),
+	randInt(3, 12) * numPlayers + 2, 50
+);
+
 // create food treasures
 log("Creating food treasures...");
 group = new SimpleGroup(
@@ -442,7 +456,7 @@ for (var i = 0; i < types.length; ++i)
 		true, clForest
 	);
 	createObjectGroups(group, 0,
-		avoidClasses(clWater, 1, clForest, 1, clHill, 1, clPlayer, 10, clMetal, 1, clRock, 1, clTreasure, 1),
+		avoidClasses(clForest, 1, clHill, 1, clPlayer, 10, clMetal, 1, clRock, 1, clTreasure, 1),
 		num
 	);
 }
@@ -450,7 +464,7 @@ for (var i = 0; i < types.length; ++i)
 // create hill trees
 log("Creating hill trees...");
 var types = [aCarob, aAleppoPine];	// some variation
-var num = floor(3 * numStragglers / types.length);
+var num = floor(0.5 * numStragglers / types.length);
 for (var i = 0; i < types.length; ++i)
 {
 	group = new SimpleGroup(
@@ -471,7 +485,7 @@ group = new SimpleGroup(
 	[new SimpleObject(aGrassShort, 1,2, 0,1, -PI/8,PI/8)]
 );
 createObjectGroups(group, 0,
-	avoidClasses(clWater, 2, clHill, 2, clPlayer, 16, clDirt, 0),
+	avoidClasses(clHill, 2, clPlayer, 16, clDirt, 0),
 	scaleByMapSize(13, 200)
 );
 
@@ -483,7 +497,7 @@ group = new SimpleGroup(
 	[new SimpleObject(aGrass, 2,4, 0,1.8, -PI/8,PI/8), new SimpleObject(aGrassShort, 3,6, 1.2,2.5, -PI/8,PI/8)]
 );
 createObjectGroups(group, 0,
-	avoidClasses(clWater, 3, clHill, 2, clPlayer, 16, clDirt, 1, clForest, 0),
+	avoidClasses(clHill, 2, clPlayer, 16, clDirt, 1, clForest, 0),
 	scaleByMapSize(13, 200)
 );
 
@@ -495,7 +509,7 @@ group = new SimpleGroup(
 	[new SimpleObject(aBushMedium, 1,2, 0,2), new SimpleObject(aBushSmall, 2,4, 0,2)]
 );
 createObjectGroups(group, 0,
-	avoidClasses(clWater, 1, clHill, 1, clPlayer, 10, clDirt, 1),
+	avoidClasses(clHill, 1, clPlayer, 10, clDirt, 1),
 	scaleByMapSize(13, 200), 50
 );
 
diff --git a/binaries/data/mods/public/maps/random/cantabrian_highlands.js b/binaries/data/mods/public/maps/random/cantabrian_highlands.js
index 0f300fd3bf..a4b2c39811 100644
--- a/binaries/data/mods/public/maps/random/cantabrian_highlands.js
+++ b/binaries/data/mods/public/maps/random/cantabrian_highlands.js
@@ -1,20 +1,21 @@
 RMS.LoadLibrary("rmgen");
 
 // terrain textures
-const tGrass = ["temp_grass_long_b"];
-const tGrassPForest = "temp_forestfloor_pine";
-const tGrassDForest = "temp_forestfloor_a";
-const tCliff = ["temp_cliff_a", "temp_cliff_b"];
-const tGrassA = "temp_grass_d";
-const tGrassB = "temp_grass_c";
-const tGrassC = "temp_grass_clovers_2";
+const tGrass = ["temp_grass", "temp_grass", "temp_grass_d"];
+const tGrassPForest = "temp_plants_bog";
+const tGrassDForest = "temp_plants_bog";
+const tGrassA = "temp_grass_plants";
+const tGrassB = "temp_plants_bog";
+const tGrassC = "temp_mud_a";
+const tDirt = ["temp_plants_bog", "temp_mud_a"];
 const tHill = ["temp_highlands", "temp_grass_long_b"];
-const tDirt = ["temp_dirt_gravel", "temp_dirt_gravel_b"];
+const tCliff = ["temp_cliff_a", "temp_cliff_b"];
 const tRoad = "temp_road";
 const tRoadWild = "temp_road_overgrown";
-const tGrassPatch = "temp_grass_plants";
-const tShoreBlend = "temp_mud_plants";
-const tShore = "temp_mud_a";
+const tGrassPatchBlend = "temp_grass_long_b";
+const tGrassPatch = ["temp_grass_d", "temp_grass_clovers"];
+const tShoreBlend = "temp_grass_plants";
+const tShore = "temp_plants_bog";
 const tWater = "temp_mud_a";
 
 // gaia entities
@@ -128,19 +129,19 @@ for (var i = 0; i < numPlayers; i++)
 	// create the ramp
 	var rampAngle = playerAngle[i] + PI + randFloat(-PI/8, PI/8);
 	var rampDist = radius;
-	var rampX = round(fx + rampDist * cos(rampAngle));
-	var rampZ = round(fz + rampDist * sin(rampAngle));
-	placer = new ClumpPlacer(100, 0.9, 0.5, 1, rampX, rampZ);
-	var painter = new SmoothElevationPainter(ELEVATION_SET, elevation-6, 5);
-	createArea(placer, painter, null);
-	placer = new ClumpPlacer(75, 0.9, 0.5, 1, rampX, rampZ);
-	painter = new TerrainPainter(tGrass);
-	createArea(placer, painter, null);
+	var rampLength = 15;
+	var rampWidth = 12;
+	var rampX1 = round(fx + (rampDist + rampLength) * cos(rampAngle));
+	var rampZ1 = round(fz + (rampDist + rampLength) * sin(rampAngle));
+	var rampX2 = round(fx + (rampDist - 3) * cos(rampAngle));
+	var rampZ2 = round(fz + (rampDist - 3) * sin(rampAngle));
+	
+	createRamp (rampX1, rampZ1, rampX2, rampZ2, 3, 20, rampWidth, 2, tHill, tCliff, clPlayer)
 	
 	// create the city patch
 	var cityRadius = radius/3;
 	placer = new ClumpPlacer(PI*cityRadius*cityRadius, 0.6, 0.3, 10, ix, iz);
-	painter = new LayeredPainter([tRoadWild, tRoad], [1]);
+	var painter = new LayeredPainter([tRoadWild, tRoad], [1]);
 	createArea(placer, painter, null);
 	
 	// create starting units
@@ -234,7 +235,7 @@ terrainPainter = new LayeredPainter(
 	[tShoreBlend, tShore, tWater],		// terrains
 	[1,1]							// widths
 );
-elevationPainter = new SmoothElevationPainter(ELEVATION_SET, -7, 3);
+elevationPainter = new SmoothElevationPainter(ELEVATION_SET, -7, 6);
 var waterAreas = createAreas(
 	placer,
 	[terrainPainter, elevationPainter, paintClass(clWater)], 
@@ -292,7 +293,7 @@ terrainPainter = new LayeredPainter(
 	[tCliff, tHill],		// terrains
 	[2]								// widths
 );
-elevationPainter = new SmoothElevationPainter(ELEVATION_SET, 12, 2);
+elevationPainter = new SmoothElevationPainter(ELEVATION_SET, 16, 2);
 createAreas(
 	placer,
 	[terrainPainter, elevationPainter, paintClass(clHill)], 
@@ -362,7 +363,10 @@ var sizes = [scaleByMapSize(2, 32), scaleByMapSize(3, 48), scaleByMapSize(5, 80)
 for (var i = 0; i < sizes.length; i++)
 {
 	placer = new ClumpPlacer(sizes[i], 0.3, 0.06, 0.5);
-	painter = new TerrainPainter(tGrassPatch);
+	painter = new LayeredPainter(
+		[tGrassPatchBlend, tGrassPatch], 		// terrains
+		[1]															// widths
+	);
 	createAreas(
 		placer,
 		painter,
@@ -370,7 +374,7 @@ for (var i = 0; i < sizes.length; i++)
 		scaleByMapSize(15, 45)
 	);
 }
-
+tGrassPatchBlend
 RMS.SetProgress(50);
 
 log("Creating stone mines...");
@@ -450,6 +454,17 @@ createObjectGroups(group, 0,
 	3 * numPlayers, 50
 );
 
+// create berry bush
+log("Creating berry bush...");
+group = new SimpleGroup(
+	[new SimpleObject(oBerryBush, 5,7, 0,4)],
+	true, clFood
+);
+createObjectGroups(group, 0,
+	avoidClasses(clWater, 3, clForest, 0, clPlayer, 20, clHill, 1, clFood, 10),
+	randInt(1, 4) * numPlayers + 2, 50
+);
+
 RMS.SetProgress(80);
 
 // create straggler trees
diff --git a/binaries/data/mods/public/maps/random/rmgen/misc.js b/binaries/data/mods/public/maps/random/rmgen/misc.js
index 53dcab9a47..586a054ec6 100644
--- a/binaries/data/mods/public/maps/random/rmgen/misc.js
+++ b/binaries/data/mods/public/maps/random/rmgen/misc.js
@@ -1 +1 @@
-/////////////////////////////////////////////////////////////////////////////////////////
//	passageMaker
//
//	Function for creating shallow water between two given points by changing the heiight of all tiles in
//	the path with height less than or equal to "maxheight" to "height"
//
//	x1,z1: 	Starting point of path
//	x2,z2: 	Ending point of path
//	width: 	Width of the shallow
//	maxheight:		Maximum height that it changes
//	height:		Height of the shallow
//	smooth:		smooth elevation in borders
//	tileclass:		(Optianal) - Adds those tiles to the class given
//	terrain:		(Optional) - Changes the texture of the elevated land
//
/////////////////////////////////////////////////////////////////////////////////////////

function passageMaker(x1, z1, x2, z2, width, maxheight, height, smooth, tileclass, terrain, riverheight)
{
	var tchm = TILE_CENTERED_HEIGHT_MAP;
	TILE_CENTERED_HEIGHT_MAP = true;
	var mapSize = g_Map.size;
	for (var ix = 0; ix < mapSize; ix++)
	{
		for (var iz = 0; iz < mapSize; iz++)
		{
			var a = z1-z2;
			var b = x2-x1;
			var c = (z1*(x1-x2))-(x1*(z1-z2));
			var dis = abs(a*ix + b*iz + c)/sqrt(a*a + b*b);
			var k = (a*ix + b*iz + c)/(a*a + b*b);
			var my = iz-(b*k);
			var inline = 0;
			if (b == 0)
			{
				dis = abs(ix-x1);
				if ((iz <= Math.max(z1,z2))&&(iz >= Math.min(z1,z2)))
				{
					inline = 1;
				}
			}
			else
			{
				if ((my <= Math.max(z1,z2))&&(my >= Math.min(z1,z2)))
				{
					inline = 1;
				}
			}
			if ((dis <= width)&&(inline))
			{
				if(g_Map.getHeight(ix, iz) <= maxheight)
				{
					if (dis > width - smooth)
					{
						g_Map.setHeight(ix, iz, ((width - dis)*(height)+(riverheight)*(smooth - width + dis))/(smooth));
					}
					else if (dis <= width - smooth)
					{
						g_Map.setHeight(ix, iz, height);
					}
					if (tileclass !== undefined)
					{
						addToClass(ix, iz, tileclass);
					}	
					if (terrain !== undefined)
					{
						placeTerrain(ix, iz, terrain);
					}
				}
			}
		}
	}	
	TILE_CENTERED_HEIGHT_MAP = tchm;
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//rndRiver is a fuction that creates random values useful for making a jagged river.
//
//it works the same as sin or cos function. the only difference is that it's period is 1 instead of 2*pi
//it needs the "seed" parameter to use it to make random curves that don't get broken.
//seed must be created using randFloat(). or else it won't work
//
//	f:	Input: Same as angle in a sine function
//	seed:	Random Seed: Best to implement is to use randFloat()
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function rndRiver(f, seed)
{
	var rndRq = seed;
	var rndRw = rndRq;
	var rndRe = 0;
	var rndRr = f-floor(f);
	var rndRa = 0;
	for (var rndRx=0; rndRx<=floor(f); rndRx++)
	{
		rndRw = 10*(rndRw-floor(rndRw));
	}
	if (rndRx%2==0)
	{
		var rndRs = -1;
	}
	else
	{
		var rndRs = 1;
	}
	rndRe = (floor(rndRw))%5;
	if (rndRe==0)
	{
		rndRa = (rndRs)*2.3*(rndRr)*(rndRr-1)*(rndRr-0.5)*(rndRr-0.5);
	}
	else if (rndRe==1)
	{
		rndRa = (rndRs)*2.6*(rndRr)*(rndRr-1)*(rndRr-0.3)*(rndRr-0.7);
	}
	else if (rndRe==2)
	{
		rndRa = (rndRs)*22*(rndRr)*(rndRr-1)*(rndRr-0.2)*(rndRr-0.3)*(rndRr-0.3)*(rndRr-0.8);
	}
	else if (rndRe==3)
	{
		rndRa = (rndRs)*180*(rndRr)*(rndRr-1)*(rndRr-0.2)*(rndRr-0.2)*(rndRr-0.4)*(rndRr-0.6)*(rndRr-0.6)*(rndRr-0.8);
	}
	else if (rndRe==4)
	{
		rndRa = (rndRs)*2.6*(rndRr)*(rndRr-1)*(rndRr-0.5)*(rndRr-0.7);
	}
	return rndRa;
}


/////////////////////////////////////////////////////////////////////////////////////////
// createStartingPlayerEntities
//
//	Creates the starting player entities
//	fx&fz: position of player base
//	playerid: id of player
//	civEntities: use getStartingEntities(id-1) fo this one
//	BUILDING_ANGlE: angle of main base building
//
///////////////////////////////////////////////////////////////////////////////////////////
function createStartingPlayerEntities(fx, fz, playerid, civEntities, BUILDING_ANGlE)
{
	var uDist = 6;
	var uSpace = 2;
	placeObject(fx, fz, civEntities[0].Template, playerid, BUILDING_ANGlE);
	for (var j = 1; j < civEntities.length; ++j)
	{
		var uAngle = BUILDING_ANGlE - PI * (2-j) / 2;
		var count = (civEntities[j].Count !== undefined ? civEntities[j].Count : 1);
		for (var numberofentities = 0; numberofentities < count; numberofentities++)
		{
			var ux = fx + uDist * cos(uAngle) + numberofentities * uSpace * cos(uAngle + PI/2) - (0.75 * uSpace * floor(count / 2) * cos(uAngle + PI/2));
			var uz = fz + uDist * sin(uAngle) + numberofentities * uSpace * sin(uAngle + PI/2) - (0.75 * uSpace * floor(count / 2) * sin(uAngle + PI/2));
			placeObject(ux, uz, civEntities[j].Template, playerid, uAngle); 
		}
	}
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// placeCivDefaultEntities
//
//	Creates the default starting player entities depending on the players civ
//	fx&fy: position of player base
//	playerid: id of player
//	angle: angle of main base building, optional, default is BUILDING_ANGlE
//	kwargs: Takes some optional keyword arguments to tweek things
//		'iberWall': may be false, 'walls' (default) or 'towers'. Determines the defensive structures Iberians get as civ bonus
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function placeCivDefaultEntities(fx, fz, playerid, angle, kwargs)
{
	// Unpack kwargs
	kwargs = (kwargs || {});
	var iberWall = 'walls';
	if (getMapSize() <= 128)
		iberWall = false;
	if ('iberWall' in kwargs)
		iberWall = kwargs['iberWall'];
	// Place default civ starting entities
	var civ = g_MapSettings.PlayerData[playerid-1].Civ;
	var civEntities = getStartingEntities(playerid-1);
	var uDist = 6;
	var uSpace = 2;
	placeObject(fx, fz, civEntities[0].Template, playerid, angle);
	for (var j = 1; j < civEntities.length; ++j)
	{
		var uAngle = angle - PI * (2-j) / 2;
		var count = (civEntities[j].Count !== undefined ? civEntities[j].Count : 1);
		for (var numberofentities = 0; numberofentities < count; numberofentities++)
		{
			var ux = fx + uDist * cos(uAngle) + numberofentities * uSpace * cos(uAngle + PI/2) - (0.75 * uSpace * floor(count / 2) * cos(uAngle + PI/2));
			var uz = fz + uDist * sin(uAngle) + numberofentities * uSpace * sin(uAngle + PI/2) - (0.75 * uSpace * floor(count / 2) * sin(uAngle + PI/2));
			placeObject(ux, uz, civEntities[j].Template, playerid, uAngle); 
		}
	}
	// Add defensive structiures for Iberians as their civ bonus
	if (civ == 'iber' && iberWall != false)
	{
		if (iberWall == 'towers')
			placePolygonalWall(fx, fz, 15, ['entry'], 'tower', civ, playerid, angle, 7);
		else
			placeGenericFortress(fx, fz, 20/*radius*/, playerid);
	}
}


/////////////////////////////////////////////////////////////////////////////////////////
// paintTerrainBasedOnHeight
//
//	paints the tiles which have a height between minheight and maxheight with the given terrain
//	minheight: minimum height of the tile
//	maxheight: maximum height of the tile
//	mode: accepts 4 values. 0 means the it will select tiles with height more than minheight and less than maxheight.
//  1 means it selects tiles with height more than or equal to minheight and less than max height. 2 means more than
//  minheight and less than or equal to maxheight. 3 means more than or equal to minheight and less than or equal to maxheight
//	terrain: intended terrain texture
//
///////////////////////////////////////////////////////////////////////////////////////////

function paintTerrainBasedOnHeight(minheight, maxheight, mode, terrain)
{
	var mSize = g_Map.size;
	for (var qx = 0; qx < mSize; qx++)
	{
		for (var qz = 0; qz < mSize; qz++)
		{
			if (mode == 0)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					placeTerrain(qx, qz, terrain);
				}
			}
			else if (mode == 1)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					placeTerrain(qx, qz, terrain);
				}
			}
			else if (mode == 2)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					placeTerrain(qx, qz, terrain);
				}
			}
			else if (mode == 3)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					placeTerrain(qx, qz, terrain);
				}
			}
		}
	}
}

/////////////////////////////////////////////////////////////////////////////////////////
// paintTileClassBasedOnHeight and unPaintTileClassBasedOnHeight
//
//	paints or unpaints the tiles which have a height between minheight and maxheight with the given tile class
//	minheight: minimum height of the tile
//	maxheight: maximum height of the tile
//	mode: accepts 4 values. 0 means the it will select tiles with height more than minheight and less than maxheight.
//  1 means it selects tiles with height more than or equal to minheight and less than max height. 2 means more than
//  minheight and less than or equal to maxheight. 3 means more than or equal to minheight and less than or equal to maxheight
//	tileclass: intended tile class
//
///////////////////////////////////////////////////////////////////////////////////////////

function paintTileClassBasedOnHeight(minheight, maxheight, mode, tileclass)
{
	var mSize = g_Map.size;
	for (var qx = 0; qx < mSize; qx++)
	{
		for (var qz = 0; qz < mSize; qz++)
		{
			if (mode == 0)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					addToClass(qx, qz, tileclass);
				}
			}
			else if (mode == 1)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					addToClass(qx, qz, tileclass);
				}
			}
			else if (mode == 2)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					addToClass(qx, qz, tileclass);
				}
			}
			else if (mode == 3)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					addToClass(qx, qz, tileclass);
				}
			}
		}
	}
}


function unPaintTileClassBasedOnHeight(minheight, maxheight, mode, tileclass)
{
	var mSize = g_Map.size;
	for (var qx = 0; qx < mSize; qx++)
	{
		for (var qz = 0; qz < mSize; qz++)
		{
			if (mode == 0)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					removeFromClass(qx, qz, tileclass);
				}
			}
			else if (mode == 1)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					removeFromClass(qx, qz, tileclass);
				}
			}
			else if (mode == 2)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					removeFromClass(qx, qz, tileclass);
				}
			}
			else if (mode == 3)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					removeFromClass(qx, qz, tileclass);
				}
			}
		}
	}
}

/////////////////////////////////////////////////////////////////////////////////////////
// getTIPIADBON
//
//	"get The Intended Point In A Direction Based On Height"
//	gets the N'th point with a specific height in a line and returns it as a [x, y] array
//	startPoint: [x, y] array defining the start point
//	endPoint: [x, y] array defining the ending point
//	heightRange: [min, max] array defining the range which the height of the intended point can be. includes both "min" and "max"
//  step: how much tile units per turn should the search go. more value means faster but less accurate 
//  n: how many points to skip before ending the search. skips """n-1 points""".
//
///////////////////////////////////////////////////////////////////////////////////////////

function getTIPIADBON(startPoint, endPoint, heightRange, step, n)
{
	var stepX = step*(endPoint[0]-startPoint[0])/(sqrt((endPoint[0]-startPoint[0])*(endPoint[0]-startPoint[0]) + (endPoint[1]-startPoint[1])*(endPoint[1]-startPoint[1])));
	var stepY = step*(endPoint[1]-startPoint[1])/(sqrt((endPoint[0]-startPoint[0])*(endPoint[0]-startPoint[0]) + (endPoint[1]-startPoint[1])*(endPoint[1]-startPoint[1])));
	var y = startPoint[1];
	var checked = 0;
	for (var x = startPoint[0]; true; x += n*stepX)
	{
		if ((floor(x) < g_Map.size)||(floor(y) < g_Map.size))
		{
			if ((g_Map.getHeight(floor(x), floor(y)) <= heightRange[1])&&(g_Map.getHeight(floor(x), floor(y)) >= heightRange[0]))
			{
				++checked;
			}
			if (checked >= n)
			{
				return [x, y];
			}
		}
		y += stepY;
		if ((y > endPoint[1])&&(stepY>0))
			break;
		if ((y < endPoint[1])&&(stepY<0))
			break;
		if ((x > endPoint[1])&&(stepX>0))
			break;
		if ((x < endPoint[1])&&(stepX<0))
			break;
	}
	return undefined;
}

/////////////////////////////////////////////////////////////////////////////////////////
// doIntersect
//
//	determines if two lines with the width "width" intersect or collide with each other
//	x1, y1, x2, y2: determine the position of the first line
//	x3, y3, x4, y4: determine the position of the second line
//	width: determines the width of the lines
//
///////////////////////////////////////////////////////////////////////////////////////////

function checkIfIntersect (x1, y1, x2, y2, x3, y3, x4, y4, width)
{
	if (x1 == x2)
	{
		if (((x3 - x1) < width) || ((x4 - x2) < width))
			return true;
	}
	else
	{
		var m = (y1 - y2) / (x1 - x2);
		var b = y1 - m * x1;
		var m2 = sqrt(m * m + 1)
		if ((Math.abs((y3 - x3 * m - b)/m2) < width) || (Math.abs((y4 - x4 * m - b)/m2) < width))
			return true;
		//neccessary for some situations.
		if (x3 == x4)
		{
			if (((x1 - x3) < width) || ((x2 - x4) < width))
				return true;
		}
		else
		{
			var m = (y3 - y4) / (x3 - x4);
			var b = y3 - m * x3;
			var m2 = sqrt(m * m + 1)
			if ((Math.abs((y1 - x1 * m - b)/m2) < width) || (Math.abs((y2 - x2 * m - b)/m2) < width))
				return true;
		}
	}

	var s = ((x1 - x2) * (y3 - y1) - (y1 - y2) * (x3 - x1)), p = ((x1 - x2) * (y4 - y1) - (y1 - y2) * (x4 - x1));
	if ((s * p) <= 0)
	{
		s = ((x3 - x4) * (y1 - y3) - (y3 - y4) * (x1 - x3));
		p = ((x3 - x4) * (y2 - y3) - (y3 - y4) * (x2 - x3));
		if ((s * p) <= 0)
			return true;
	}
	return false;
}

/////////////////////////////////////////////////////////////////////////////////////////
// distanceOfPointFromLine
//
//	returns the distance of a point from a line
//	x1, y1, x2, y2: determine the position of the line
//	x3, y3: determine the position of the point
//
///////////////////////////////////////////////////////////////////////////////////////////

function distanceOfPointFromLine (x1, y1, x2, y2, x3, y3)
{
	if (x1 == x2)
	{
		return x3 - x1;
	}
	else
	{
		var m = (y1 - y2) / (x1 - x2);
		var b = y1 - m * x1;
		var m2 = sqrt(m * m + 1)
		return Math.abs((y3 - x3 * m - b)/m2);
	}
}
\ No newline at end of file
+/////////////////////////////////////////////////////////////////////////////////////////
//	passageMaker
//
//	Function for creating shallow water between two given points by changing the heiight of all tiles in
//	the path with height less than or equal to "maxheight" to "height"
//
//	x1,z1: 	Starting point of path
//	x2,z2: 	Ending point of path
//	width: 	Width of the shallow
//	maxheight:		Maximum height that it changes
//	height:		Height of the shallow
//	smooth:		smooth elevation in borders
//	tileclass:		(Optianal) - Adds those tiles to the class given
//	terrain:		(Optional) - Changes the texture of the elevated land
//
/////////////////////////////////////////////////////////////////////////////////////////

function passageMaker(x1, z1, x2, z2, width, maxheight, height, smooth, tileclass, terrain, riverheight)
{
	var tchm = TILE_CENTERED_HEIGHT_MAP;
	TILE_CENTERED_HEIGHT_MAP = true;
	var mapSize = g_Map.size;
	for (var ix = 0; ix < mapSize; ix++)
	{
		for (var iz = 0; iz < mapSize; iz++)
		{
			var a = z1-z2;
			var b = x2-x1;
			var c = (z1*(x1-x2))-(x1*(z1-z2));
			var dis = abs(a*ix + b*iz + c)/sqrt(a*a + b*b);
			var k = (a*ix + b*iz + c)/(a*a + b*b);
			var my = iz-(b*k);
			var inline = 0;
			if (b == 0)
			{
				dis = abs(ix-x1);
				if ((iz <= Math.max(z1,z2))&&(iz >= Math.min(z1,z2)))
				{
					inline = 1;
				}
			}
			else
			{
				if ((my <= Math.max(z1,z2))&&(my >= Math.min(z1,z2)))
				{
					inline = 1;
				}
			}
			if ((dis <= width)&&(inline))
			{
				if(g_Map.getHeight(ix, iz) <= maxheight)
				{
					if (dis > width - smooth)
					{
						g_Map.setHeight(ix, iz, ((width - dis)*(height)+(riverheight)*(smooth - width + dis))/(smooth));
					}
					else if (dis <= width - smooth)
					{
						g_Map.setHeight(ix, iz, height);
					}
					if (tileclass !== undefined)
					{
						addToClass(ix, iz, tileclass);
					}	
					if (terrain !== undefined)
					{
						placeTerrain(ix, iz, terrain);
					}
				}
			}
		}
	}	
	TILE_CENTERED_HEIGHT_MAP = tchm;
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//rndRiver is a fuction that creates random values useful for making a jagged river.
//
//it works the same as sin or cos function. the only difference is that it's period is 1 instead of 2*pi
//it needs the "seed" parameter to use it to make random curves that don't get broken.
//seed must be created using randFloat(). or else it won't work
//
//	f:	Input: Same as angle in a sine function
//	seed:	Random Seed: Best to implement is to use randFloat()
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function rndRiver(f, seed)
{
	var rndRq = seed;
	var rndRw = rndRq;
	var rndRe = 0;
	var rndRr = f-floor(f);
	var rndRa = 0;
	for (var rndRx=0; rndRx<=floor(f); rndRx++)
	{
		rndRw = 10*(rndRw-floor(rndRw));
	}
	if (rndRx%2==0)
	{
		var rndRs = -1;
	}
	else
	{
		var rndRs = 1;
	}
	rndRe = (floor(rndRw))%5;
	if (rndRe==0)
	{
		rndRa = (rndRs)*2.3*(rndRr)*(rndRr-1)*(rndRr-0.5)*(rndRr-0.5);
	}
	else if (rndRe==1)
	{
		rndRa = (rndRs)*2.6*(rndRr)*(rndRr-1)*(rndRr-0.3)*(rndRr-0.7);
	}
	else if (rndRe==2)
	{
		rndRa = (rndRs)*22*(rndRr)*(rndRr-1)*(rndRr-0.2)*(rndRr-0.3)*(rndRr-0.3)*(rndRr-0.8);
	}
	else if (rndRe==3)
	{
		rndRa = (rndRs)*180*(rndRr)*(rndRr-1)*(rndRr-0.2)*(rndRr-0.2)*(rndRr-0.4)*(rndRr-0.6)*(rndRr-0.6)*(rndRr-0.8);
	}
	else if (rndRe==4)
	{
		rndRa = (rndRs)*2.6*(rndRr)*(rndRr-1)*(rndRr-0.5)*(rndRr-0.7);
	}
	return rndRa;
}


/////////////////////////////////////////////////////////////////////////////////////////
// createStartingPlayerEntities
//
//	Creates the starting player entities
//	fx&fz: position of player base
//	playerid: id of player
//	civEntities: use getStartingEntities(id-1) fo this one
//	BUILDING_ANGlE: angle of main base building
//
///////////////////////////////////////////////////////////////////////////////////////////
function createStartingPlayerEntities(fx, fz, playerid, civEntities, BUILDING_ANGlE)
{
	var uDist = 6;
	var uSpace = 2;
	placeObject(fx, fz, civEntities[0].Template, playerid, BUILDING_ANGlE);
	for (var j = 1; j < civEntities.length; ++j)
	{
		var uAngle = BUILDING_ANGlE - PI * (2-j) / 2;
		var count = (civEntities[j].Count !== undefined ? civEntities[j].Count : 1);
		for (var numberofentities = 0; numberofentities < count; numberofentities++)
		{
			var ux = fx + uDist * cos(uAngle) + numberofentities * uSpace * cos(uAngle + PI/2) - (0.75 * uSpace * floor(count / 2) * cos(uAngle + PI/2));
			var uz = fz + uDist * sin(uAngle) + numberofentities * uSpace * sin(uAngle + PI/2) - (0.75 * uSpace * floor(count / 2) * sin(uAngle + PI/2));
			placeObject(ux, uz, civEntities[j].Template, playerid, uAngle); 
		}
	}
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// placeCivDefaultEntities
//
//	Creates the default starting player entities depending on the players civ
//	fx&fy: position of player base
//	playerid: id of player
//	angle: angle of main base building, optional, default is BUILDING_ANGlE
//	kwargs: Takes some optional keyword arguments to tweek things
//		'iberWall': may be false, 'walls' (default) or 'towers'. Determines the defensive structures Iberians get as civ bonus
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function placeCivDefaultEntities(fx, fz, playerid, angle, kwargs)
{
	// Unpack kwargs
	kwargs = (kwargs || {});
	var iberWall = 'walls';
	if (getMapSize() <= 128)
		iberWall = false;
	if ('iberWall' in kwargs)
		iberWall = kwargs['iberWall'];
	// Place default civ starting entities
	var civ = g_MapSettings.PlayerData[playerid-1].Civ;
	var civEntities = getStartingEntities(playerid-1);
	var uDist = 6;
	var uSpace = 2;
	placeObject(fx, fz, civEntities[0].Template, playerid, angle);
	for (var j = 1; j < civEntities.length; ++j)
	{
		var uAngle = angle - PI * (2-j) / 2;
		var count = (civEntities[j].Count !== undefined ? civEntities[j].Count : 1);
		for (var numberofentities = 0; numberofentities < count; numberofentities++)
		{
			var ux = fx + uDist * cos(uAngle) + numberofentities * uSpace * cos(uAngle + PI/2) - (0.75 * uSpace * floor(count / 2) * cos(uAngle + PI/2));
			var uz = fz + uDist * sin(uAngle) + numberofentities * uSpace * sin(uAngle + PI/2) - (0.75 * uSpace * floor(count / 2) * sin(uAngle + PI/2));
			placeObject(ux, uz, civEntities[j].Template, playerid, uAngle); 
		}
	}
	// Add defensive structiures for Iberians as their civ bonus
	if (civ == 'iber' && iberWall != false)
	{
		if (iberWall == 'towers')
			placePolygonalWall(fx, fz, 15, ['entry'], 'tower', civ, playerid, angle, 7);
		else
			placeGenericFortress(fx, fz, 20/*radius*/, playerid);
	}
}


/////////////////////////////////////////////////////////////////////////////////////////
// paintTerrainBasedOnHeight
//
//	paints the tiles which have a height between minheight and maxheight with the given terrain
//	minheight: minimum height of the tile
//	maxheight: maximum height of the tile
//	mode: accepts 4 values. 0 means the it will select tiles with height more than minheight and less than maxheight.
//  1 means it selects tiles with height more than or equal to minheight and less than max height. 2 means more than
//  minheight and less than or equal to maxheight. 3 means more than or equal to minheight and less than or equal to maxheight
//	terrain: intended terrain texture
//
///////////////////////////////////////////////////////////////////////////////////////////

function paintTerrainBasedOnHeight(minheight, maxheight, mode, terrain)
{
	var mSize = g_Map.size;
	for (var qx = 0; qx < mSize; qx++)
	{
		for (var qz = 0; qz < mSize; qz++)
		{
			if (mode == 0)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					placeTerrain(qx, qz, terrain);
				}
			}
			else if (mode == 1)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					placeTerrain(qx, qz, terrain);
				}
			}
			else if (mode == 2)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					placeTerrain(qx, qz, terrain);
				}
			}
			else if (mode == 3)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					placeTerrain(qx, qz, terrain);
				}
			}
		}
	}
}

/////////////////////////////////////////////////////////////////////////////////////////
// paintTileClassBasedOnHeight and unPaintTileClassBasedOnHeight
//
//	paints or unpaints the tiles which have a height between minheight and maxheight with the given tile class
//	minheight: minimum height of the tile
//	maxheight: maximum height of the tile
//	mode: accepts 4 values. 0 means the it will select tiles with height more than minheight and less than maxheight.
//  1 means it selects tiles with height more than or equal to minheight and less than max height. 2 means more than
//  minheight and less than or equal to maxheight. 3 means more than or equal to minheight and less than or equal to maxheight
//	tileclass: intended tile class
//
///////////////////////////////////////////////////////////////////////////////////////////

function paintTileClassBasedOnHeight(minheight, maxheight, mode, tileclass)
{
	var mSize = g_Map.size;
	for (var qx = 0; qx < mSize; qx++)
	{
		for (var qz = 0; qz < mSize; qz++)
		{
			if (mode == 0)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					addToClass(qx, qz, tileclass);
				}
			}
			else if (mode == 1)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					addToClass(qx, qz, tileclass);
				}
			}
			else if (mode == 2)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					addToClass(qx, qz, tileclass);
				}
			}
			else if (mode == 3)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					addToClass(qx, qz, tileclass);
				}
			}
		}
	}
}


function unPaintTileClassBasedOnHeight(minheight, maxheight, mode, tileclass)
{
	var mSize = g_Map.size;
	for (var qx = 0; qx < mSize; qx++)
	{
		for (var qz = 0; qz < mSize; qz++)
		{
			if (mode == 0)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					removeFromClass(qx, qz, tileclass);
				}
			}
			else if (mode == 1)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) < maxheight))
				{
					removeFromClass(qx, qz, tileclass);
				}
			}
			else if (mode == 2)
			{
				if ((g_Map.getHeight(qx, qz) > minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					removeFromClass(qx, qz, tileclass);
				}
			}
			else if (mode == 3)
			{
				if ((g_Map.getHeight(qx, qz) >= minheight)&&(g_Map.getHeight(qx, qz) <= maxheight))
				{
					removeFromClass(qx, qz, tileclass);
				}
			}
		}
	}
}

/////////////////////////////////////////////////////////////////////////////////////////
// getTIPIADBON
//
//	"get The Intended Point In A Direction Based On Height"
//	gets the N'th point with a specific height in a line and returns it as a [x, y] array
//	startPoint: [x, y] array defining the start point
//	endPoint: [x, y] array defining the ending point
//	heightRange: [min, max] array defining the range which the height of the intended point can be. includes both "min" and "max"
//  step: how much tile units per turn should the search go. more value means faster but less accurate 
//  n: how many points to skip before ending the search. skips """n-1 points""".
//
///////////////////////////////////////////////////////////////////////////////////////////

function getTIPIADBON(startPoint, endPoint, heightRange, step, n)
{
	var stepX = step*(endPoint[0]-startPoint[0])/(sqrt((endPoint[0]-startPoint[0])*(endPoint[0]-startPoint[0]) + (endPoint[1]-startPoint[1])*(endPoint[1]-startPoint[1])));
	var stepY = step*(endPoint[1]-startPoint[1])/(sqrt((endPoint[0]-startPoint[0])*(endPoint[0]-startPoint[0]) + (endPoint[1]-startPoint[1])*(endPoint[1]-startPoint[1])));
	var y = startPoint[1];
	var checked = 0;
	for (var x = startPoint[0]; true; x += n*stepX)
	{
		if ((floor(x) < g_Map.size)||(floor(y) < g_Map.size))
		{
			if ((g_Map.getHeight(floor(x), floor(y)) <= heightRange[1])&&(g_Map.getHeight(floor(x), floor(y)) >= heightRange[0]))
			{
				++checked;
			}
			if (checked >= n)
			{
				return [x, y];
			}
		}
		y += stepY;
		if ((y > endPoint[1])&&(stepY>0))
			break;
		if ((y < endPoint[1])&&(stepY<0))
			break;
		if ((x > endPoint[1])&&(stepX>0))
			break;
		if ((x < endPoint[1])&&(stepX<0))
			break;
	}
	return undefined;
}

/////////////////////////////////////////////////////////////////////////////////////////
// doIntersect
//
//	determines if two lines with the width "width" intersect or collide with each other
//	x1, y1, x2, y2: determine the position of the first line
//	x3, y3, x4, y4: determine the position of the second line
//	width: determines the width of the lines
//
///////////////////////////////////////////////////////////////////////////////////////////

function checkIfIntersect (x1, y1, x2, y2, x3, y3, x4, y4, width)
{
	if (x1 == x2)
	{
		if (((x3 - x1) < width) || ((x4 - x2) < width))
			return true;
	}
	else
	{
		var m = (y1 - y2) / (x1 - x2);
		var b = y1 - m * x1;
		var m2 = sqrt(m * m + 1)
		if ((Math.abs((y3 - x3 * m - b)/m2) < width) || (Math.abs((y4 - x4 * m - b)/m2) < width))
			return true;
		//neccessary for some situations.
		if (x3 == x4)
		{
			if (((x1 - x3) < width) || ((x2 - x4) < width))
				return true;
		}
		else
		{
			var m = (y3 - y4) / (x3 - x4);
			var b = y3 - m * x3;
			var m2 = sqrt(m * m + 1)
			if ((Math.abs((y1 - x1 * m - b)/m2) < width) || (Math.abs((y2 - x2 * m - b)/m2) < width))
				return true;
		}
	}

	var s = ((x1 - x2) * (y3 - y1) - (y1 - y2) * (x3 - x1)), p = ((x1 - x2) * (y4 - y1) - (y1 - y2) * (x4 - x1));
	if ((s * p) <= 0)
	{
		s = ((x3 - x4) * (y1 - y3) - (y3 - y4) * (x1 - x3));
		p = ((x3 - x4) * (y2 - y3) - (y3 - y4) * (x2 - x3));
		if ((s * p) <= 0)
			return true;
	}
	return false;
}

/////////////////////////////////////////////////////////////////////////////////////////
// distanceOfPointFromLine
//
//	returns the distance of a point from a line
//	x1, y1, x2, y2: determine the position of the line
//	x3, y3: determine the position of the point
//
///////////////////////////////////////////////////////////////////////////////////////////

function distanceOfPointFromLine (x1, y1, x2, y2, x3, y3)
{
	if (x1 == x2)
	{
		return x3 - x1;
	}
	else
	{
		var m = (y1 - y2) / (x1 - x2);
		var b = y1 - m * x1;
		var m2 = sqrt(m * m + 1)
		return Math.abs((y3 - x3 * m - b)/m2);
	}
}

/////////////////////////////////////////////////////////////////////////////////////////
// createRamp
//
//	creates a ramp from point (x1, y1) to (x2, y2).
//	x1, y1, x2, y2: determine the position of the start and end of the ramp
//	minHeight, maxHeight: determine the height levels of the start and end point
//	width: determines the width of the ramp
//	smoothLevel: determines the smooth level around the edges of the ramp
//	mainTerrain: (Optional) determines the terrain texture for the ramp
//	edgeTerrain: (Optional) determines the terrain texture for the edges
//	tileclass: (Optional) adds the ramp to this tile class
//
///////////////////////////////////////////////////////////////////////////////////////////

function createRamp (x1, y1, x2, y2, minHeight, maxHeight, width, smoothLevel, mainTerrain, edgeTerrain, tileclass)
{
	var halfWidth = width / 2;
	var mapSize = g_Map.size;
	
	if (y1 == y2)
	{
		var x3 = x2;
		var y3 = y2 + halfWidth;
	}
	else
	{
		var m = (x1 - x2) / (y1 - y2);
		var b = y2 + m * x2;
		var x3 = x2 + halfWidth;
		var y3 = - m * x3 + b;
	}
	
	var minBoundX = (x1 <= x2 ? (x1 > halfWidth ? x1 - halfWidth : 0) : (x2 > halfWidth ? x2 - halfWidth : 0));
	var maxBoundX = (x1 >= x2 ? (x1 < mapSize - halfWidth ? x1 + halfWidth : mapSize) : (x2 < mapSize - halfWidth ? x2 + halfWidth : mapSize));
	var minBoundY = (y1 <= y2 ? (y1 > halfWidth ? y1 - halfWidth : 0) : (y2 > halfWidth ? y2 - halfWidth : 0));
	var maxBoundY = (y1 >= y2 ? (x1 < mapSize - halfWidth ? y1 + halfWidth : mapSize) : (y2 < mapSize - halfWidth ? y2 + halfWidth : mapSize));
	
	for (var x = minBoundX; x < maxBoundX; ++x)
	{
		for (var y = minBoundY; y < maxBoundY; ++y)
		{
			var lDist = distanceOfPointFromLine(x3, y3, x2, y2, x, y);
			var sDist = distanceOfPointFromLine(x1, y1, x2, y2, x, y);
			var rampLength = sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
			if (lDist <= rampLength && sDist <= halfWidth)
			{
				var h = ((rampLength - lDist) * maxHeight + lDist * minHeight) / rampLength;
				if (sDist >= halfWidth - smoothLevel)
				{
					h = (h - minHeight) * (halfWidth - sDist) / smoothLevel + minHeight;
					if (edgeTerrain !== undefined)
						placeTerrain(x, y, edgeTerrain);
				}
				else
				{
					if (mainTerrain !== undefined)
						placeTerrain(x, y, mainTerrain);
				}
				if (tileclass !== undefined)
					addToClass(x, y, tileclass);
				if(g_Map.getHeight(floor(x), floor(y)) < h)
					g_Map.setHeight(x, y, h);
			}
		}
	}
}
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