- Adjusted difficulty formula for bowling challenge.

- Added difficulty-weighted maze monsters.
- Note: this build has a hard-coded difficulty of 10.

src/dk/itu/mario/level/PCGLevel.java

@@ -121,6 +121,8 @@ public class PCGLevel extends Level {
 		int length = 0;
 
 		if (TESTING) {
+			difficulty = 10;
+
 			length = buildStraight(0, width - 64, true);
 			length += buildFreebie(length, width - 64 - length);
 
@@ -228,6 +230,11 @@ public class PCGLevel extends Level {
 		if (maxLength >= 26
 				&& (enemyType == SpriteTemplate.ARMORED_TURTLE || enemyType == SpriteTemplate.GREEN_TURTLE)) {
 
+			int numEnemies = 0;
+			for (int i = 0; i < 10; i++) {
+				numEnemies += shouldAddChallenge() ? 1 : 0;
+			}
+
 			// Create the pit.
 			setBlock(xo, this.height - 2, Level.GROUND);
 			setBlock(xo, this.height - 1, Level.GROUND);
@@ -247,7 +254,7 @@ public class PCGLevel extends Level {
 				setBlock(xo + x, this.height - 2, Level.GROUND);
 				setBlock(xo + x, this.height - 3, Level.GROUND);
 
-				if (x >= 26 - difficulty) {
+				if (x >= 26 - numEnemies) {
 					setSpriteTemplate(xo + x, this.height - 4,
 							new SpriteTemplate(enemyType, false));
 				}
@@ -426,6 +433,12 @@ public class PCGLevel extends Level {
 		}
 	}
 
+	// This is basically just a randomizer function to call whenever I need to
+	// randomly add difficulty based on the user's skill level.
+	private boolean shouldAddChallenge() {
+		return random.nextInt(11) + 1 <= difficulty;
+	}
+
 	private int buildMaze(int xo, int maxLength) {
 		if (maxLength >= 19) {
 
@@ -483,6 +496,9 @@ public class PCGLevel extends Level {
 			// Stretch nxt;
 			boolean stretchEnd;
 			boolean midLine;
+			boolean addEnemy;
+			int heightMod;
+			int enemyType;
 			for (int i = 0; i < maze.size(); i++) {
 
 				str = maze.get(i);
@@ -496,6 +512,7 @@ public class PCGLevel extends Level {
 					// skipDown = (skipDown && (x == str.len - 2))
 					// || (str.len >= 5 && x == (str.len / 2));
 					midLine = (str.len >= 5 && x == (str.len / 2) - 1);
+					addEnemy = (str.len >= 5 && x == (str.len / 2));
 					stretchEnd = (x == str.len - 1);
 
 					if // ((stretchEnd && nxt != null && nxt.lvl !=
@@ -536,6 +553,29 @@ public class PCGLevel extends Level {
 					if (!stretchEnd) {
 						setBlock(xo + soFar + x, this.height - 4, Level.ROCK);
 					}
+
+					if (addEnemy && shouldAddChallenge()) {
+
+						enemyType = shouldAddChallenge() ? (shouldAddChallenge() ? (shouldAddChallenge() ? SpriteTemplate.ARMORED_TURTLE
+								: SpriteTemplate.RED_TURTLE)
+								: SpriteTemplate.GREEN_TURTLE)
+								: SpriteTemplate.GOOMPA;
+
+						switch (str.lvl) {
+						case TOP:
+							heightMod = 8;
+							break;
+						case MID:
+							heightMod = 5;
+							break;
+						default:
+							heightMod = 2;
+						}
+
+						setSpriteTemplate(xo + soFar + x, this.height
+								- heightMod, new SpriteTemplate(enemyType,
+								shouldAddChallenge()));
+					}
 				}
 
 				soFar += str.len;