Add positional parameter to LevelConfig.

res/levels/test.level

@@ -3,13 +3,25 @@ name:Testlevel \o/
 backgroundMusic:music/ScooterFriendsTurbo8Bit.wav
 background:CloudBackground
 -
-[0-4]
-spawn:EnemyOne,1,5
-spawn:StoneOne,4,5
+[0-2]
+spawn:StoneOne,2,1,0
+spawn:StoneOne,2,1,10
+spawn:StoneOne,2,1,20
+spawn:StoneOne,2,1,30
+spawn:StoneOne,2,1,40
+spawn:EnemyOne,2,1,50
+spawn:StoneOne,2,1,60
+spawn:StoneOne,2,1,70
+spawn:StoneOne,2,1,80
+spawn:StoneOne,2,1,90
+spawn:StoneOne,2,1,100
+[2-4]
+spawn:EnemyOne,1,5,20
+spawn:StoneOne,4,5,50
 [4-10]
-spawn:EnemyTwo,1,10
+spawn:EnemyTwo,1,10,60
 [10-25]
-spawn:EnemyThree,2,4
-spawn:EnemyTwo,5,6
+spawn:EnemyThree,2,4,33
+spawn:EnemyTwo,5,6,10
 [25-30]
-spawn:EnemyBoss,1,1
+spawn:EnemyBoss,1,1,100

src/de/teamteamteam/spacescooter/brain/GameConfig.java

@@ -8,7 +8,7 @@ public class GameConfig {
 	/**
 	 * Whether debug output (and more) is enabled or disabled.
 	 */
-	public static boolean DEBUG = false;
+	public static final boolean DEBUG = false;
 	
 	/**
 	 * Width of GameWindow.

src/de/teamteamteam/spacescooter/entity/enemy/EnemyOne.java

@@ -20,6 +20,7 @@ public class EnemyOne extends Enemy {
 	@Override
 	public void update() {
 		super.update();
+		this.transpose(-1, 0);
 	}
 
 	@Override

src/de/teamteamteam/spacescooter/level/Level.java

@@ -14,7 +14,6 @@ import de.teamteamteam.spacescooter.entity.obstacle.StoneOne;
 import de.teamteamteam.spacescooter.screen.GameScreen;
 import de.teamteamteam.spacescooter.sound.SoundSystem;
 import de.teamteamteam.spacescooter.utility.Loader;
-import de.teamteamteam.spacescooter.utility.Random;
 
 /**
  * Implementation of the actual level based gameplay logic.
@@ -53,6 +52,26 @@ public final class Level {
 	 */
 	private int gameOverDelay;
 
+	/**
+	 * Offset for game screen 0 coordinate on X axis.
+	 */
+	private int gameScreenXOffset;
+
+	/**
+	 * Offset for game screen 0 coordinate on Y axis.
+	 */
+	private int gameScreenYOffset;
+
+	/**
+	 * Actual width of game screen.
+	 */
+	private int gameScreenWidth;
+
+	/**
+	 * Actual height of game screen.
+	 */
+	private int gameScreenHeight;
+	
 	/**
 	 * Constructor creating a LevelConfig based on a given config file.
 	 */
@@ -61,6 +80,12 @@ public final class Level {
 		this.isGameOver = false;
 		this.gameOverDelay = 3;
 		this.config = Loader.getLevelConfigByFilename(levelConfig);
+		
+		//TODO: Put this into the GameConfig!
+		this.gameScreenXOffset = 0;
+		this.gameScreenYOffset = 50;
+		this.gameScreenWidth = GameConfig.windowWidth - 1; //This is fine.
+		this.gameScreenHeight = GameConfig.windowHeight - 51; //TODO: NOT HARDCODE THIS :/
 	}
 	
 	
@@ -95,19 +120,20 @@ public final class Level {
 		 * - 1: EntityNumber - This helps to find out what Entity to actually spawn.
 		 * - 2: Amount - The amount of Entities to spawn at a time.
 		 * - 3: SpawnRate - The rate at which the Entities are supposed to be spawned.
+		 * - 4: SpawnPosition - percentage of GameConfig.windowHeight - Where the Enemy shall spawn.
 		 */
-		for(int[] spawnrule : this.config.spawnRuleList) {
+		for(int[] spawnRule : this.config.spawnRuleList) {
 			//Skip spawn rules that are not in the current spawn interval.
-			if(spawnrule[0] != currentIntervalIndex) continue;
+			if(spawnRule[0] != currentIntervalIndex) continue;
 			//Divide the current interval by spawnrate
-			int intervalModulus = intervalLength / spawnrule[3];
+			int intervalModulus = intervalLength / spawnRule[3];
 			//Check whether the spawn rate strikes right now.
 			if(relativeTimeWithinCurrentInterval % Math.max(1,intervalModulus) == 0) {
 				//If the rule matches the current time, spawn the configured Entity in the configured amount:
-				for(int i=0; i<spawnrule[2]; i++) {
-					//TODO: More beautiful positions!
-					//ToDo: X is GameConfig.windowWidth - somePixels, should be the whole width (for enemies coming into the screen from the right).
-					this.spawnEntityByAvailableName(Entity.availableNames.values()[spawnrule[1]], GameConfig.windowWidth - 50, Random.nextInt(GameConfig.windowHeight -50)+50);
+				for(int i=0; i<spawnRule[2]; i++) {
+					int x = this.gameScreenWidth + this.gameScreenXOffset - 1;
+					int y = Math.round((this.gameScreenHeight * spawnRule[4]) / 100) + this.gameScreenYOffset - 1;
+					this.spawnEntityByAvailableName(Entity.availableNames.values()[spawnRule[1]], x, y);
 				}
 			}
 		}

src/de/teamteamteam/spacescooter/level/LevelConfig.java

@@ -43,6 +43,7 @@ public class LevelConfig {
 	 * - 1: EntityNumber - This helps to find out what Entity to actually spawn.
 	 * - 2: Amount - The amount of Entities to spawn at a time.
 	 * - 3: SpawnRate - The rate at which the Entities are supposed to be spawned.
+	 * - 4: SpawnPosition - percentage of GameConfig.windowHeight - Where the Enemy shall spawn.
 	 */
 	public List<int[]> spawnRuleList;
 	
@@ -119,13 +120,16 @@ public class LevelConfig {
 	/**
 	 * Add a given EntitySpawnRule to the ruleList.
 	 */
-	public void addEntitySpawnRule(int intervalStart, int intervalEnd, String entityName, int amount, int spawnRate) {
+	public void addEntitySpawnRule(int intervalStart, int intervalEnd, String entityName, int amount, int spawnRate, int spawnPositionPercentage) {
 		int intervalIndex = this.getIntervalIndexByBorders(intervalStart, intervalEnd);
 		if(intervalIndex == -1) {
-			throw new LevelConfigException("No Interval for rule found!\nRule: " + intervalStart + " to " + intervalEnd + ": " + entityName + ", " + amount + ", " + spawnRate);
+			throw new LevelConfigException("No Interval for rule found!\nRule: " + intervalStart + " to " + intervalEnd + ": " + entityName + ", " + amount + ", " + spawnRate + ", " + spawnPositionPercentage);
 		} else {
 			int enemyNumber = Entity.availableNames.valueOf(entityName).ordinal();
-			int[] newRule = {intervalIndex, enemyNumber, amount, spawnRate};
+			if(spawnPositionPercentage < 0 || spawnPositionPercentage > 100) {
+				throw new LevelConfigException("Invalid spawnPosition percentage!\nRule: " + intervalStart + " to " + intervalEnd + ": " + entityName + ", " + amount + ", " + spawnRate + ", " + spawnPositionPercentage);
+			}
+			int[] newRule = {intervalIndex, enemyNumber, amount, spawnRate, spawnPositionPercentage};
 			this.spawnRuleList.add(newRule);
 		}
 	}

src/de/teamteamteam/spacescooter/level/LevelConfigParser.java

@@ -86,8 +86,15 @@ public class LevelConfigParser {
 					} else {
 						String[] rule = line.split(":", 2);
 						if(rule[0].equals("spawn")) {
-							String[] entitySpawnRule = rule[1].split(",", 3);
-							this.levelConfig.addEntitySpawnRule(this.currentIntervalStart, this.currentIntervalEnd, entitySpawnRule[0], Integer.parseInt(entitySpawnRule[1]), Integer.parseInt(entitySpawnRule[2]));
+							String[] entitySpawnRule = rule[1].split(",", 4);
+							this.levelConfig.addEntitySpawnRule(
+								this.currentIntervalStart, 
+								this.currentIntervalEnd, 
+								entitySpawnRule[0], 
+								Integer.parseInt(entitySpawnRule[1]), 
+								Integer.parseInt(entitySpawnRule[2]), 
+								Integer.parseInt(entitySpawnRule[3])
+							);
 						} else {
 							throw new LevelConfigException("Unknown rule type: '"+rule[0]+"' : '"+line+"'");
 						}