Index: binaries/data/mods/public/simulation/ai/common-api/map-module.js
===================================================================
--- binaries/data/mods/public/simulation/ai/common-api/map-module.js
+++ binaries/data/mods/public/simulation/ai/common-api/map-module.js
@@ -52,6 +52,23 @@
 	return this.map[q[0] + this.width * q[1]];
 };
 
+m.Map.prototype.runLoop = function(x0, x1, y0, y1, cx, cy, maxDist2, func)
+{
+	for (let y = y0; y < y1; ++y)
+	{
+		let dy = y - cy;
+		for (let x = x0; x < x1; ++x)
+		{
+			let dx = x - cx;
+			let r2 = dx*dx + dy*dy;
+			if (r2 >= maxDist2)
+				continue;
+			let w = x + y * this.width;
+			this.set(w, func(w, r2));
+		}
+	}
+}
+
 m.Map.prototype.addInfluence = function(cx, cy, maxDist, strength, type = "linear")
 {
 	strength = strength ? strength : maxDist;
@@ -66,52 +83,16 @@
 	if (type == "linear")
 	{
 		let str = strength / maxDist;
-		for (let y = y0; y < y1; ++y)
-		{
-			let dy = y - cy;
-			for (let x = x0; x < x1; ++x)
-			{
-				let dx = x - cx;
-				let r2 = dx*dx + dy*dy;
-				if (r2 >= maxDist2)
-					continue;
-				let w = x + y * this.width;
-				this.set(w, this.map[w] + str * (maxDist - Math.sqrt(r2)));
-			}
-		}
+		this.runLoop(x0, x1, y0, y1, cx, cy, maxDist2, (w, r2) => {this.map[w] + str * (maxDist - Math.sqrt(r2))});
 	}
 	else if (type == "quadratic")
 	{
 		let str = strength / maxDist2;
-		for (let y = y0; y < y1; ++y)
-		{
-			let dy = y - cy;
-			for (let x = x0; x < x1; ++x)
-			{
-				let dx = x - cx;
-				let r2 = dx*dx + dy*dy;
-				if (r2 >= maxDist2)
-					continue;
-				let w = x + y * this.width;
-				this.set(w, this.map[w] + str * (maxDist2 - r2));
-			}
-		}
+		this.runLoop(x0, x1, y0, y1, cx, cy, maxDist2, (w, r2) => {this.map[w] + str * (maxDist2 - r2)});
 	}
 	else
 	{
-		for (let y = y0; y < y1; ++y)
-		{
-			let dy = y - cy;
-			for (let x = x0; x < x1; ++x)
-			{
-				let dx = x - cx;
-				let r2 = dx*dx + dy*dy;
-				if (r2 >= maxDist2)
-					continue;
-				let w = x + y * this.width;
-				this.set(w, this.map[w] + strength);
-			}
-		}
+		this.runLoop(x0, x1, y0, y1, cx, cy, maxDist2, (w, r2) => {this.map[w] + strength});
 	}
 };
 
@@ -128,52 +109,16 @@
 	if (type == "linear")
 	{
 		let str = strength / maxDist;
-		for (let y = y0; y < y1; ++y)
-		{
-			let dy = y - cy;
-			for (let x = x0; x < x1; ++x)
-			{
-				let dx = x - cx;
-				let r2 = dx*dx + dy*dy;
-				if (r2 >= maxDist2)
-					continue;
-				let w = x + y * this.width;
-				this.set(w, str * (maxDist - Math.sqrt(r2)) * this.map[w]);
-			}
-		}
+		this.runLoop(x0, x1, y0, y1, cx, cy, maxDist2, (w, r2) => {str * (maxDist - Math.sqrt(r2)) * this.map[w]});
 	}
 	else if (type == "quadratic")
 	{
 		let str = strength / maxDist2;
-		for (let y = y0; y < y1; ++y)
-		{
-			let dy = y - cy;
-			for (let x = x0; x < x1; ++x)
-			{
-				let dx = x - cx;
-				let r2 = dx*dx + dy*dy;
-				if (r2 >= maxDist2)
-					continue;
-				let w = x + y * this.width;
-				this.set(w, str * (maxDist2 - r2) * this.map[w]);
-			}
-		}
+		this.runLoop(x0, x1, y0, y1, cx, cy, maxDist2, (w, r2) => {str * (maxDist2 - r2) * this.map[w]});
 	}
 	else
 	{
-		for (let y = y0; y < y1; ++y)
-		{
-			let dy = y - cy;
-			for (let x = x0; x < x1; ++x)
-			{
-				let dx = x - cx;
-				let r2 = dx*dx + dy*dy;
-				if (r2 >= maxDist2)
-					continue;
-				let w = x + y * this.width;
-				this.set(w, this.map[w] * strength);
-			}
-		}
+		this.runLoop(x0, x1, y0, y1, cx, cy, maxDist2, (w, r2) => {this.map[w] * strength});
 	}
 };