Added OreDrop API

src/main/java/techreborn/blocks/OreDrop.java

@@ -0,0 +1,75 @@
+package techreborn.blocks;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.MathHelper;
+import techreborn.init.ModBlocks;
+import techreborn.config.ConfigTechReborn;
+
+public class OreDrop
+{
+	public OreDrop(ItemStack drop)
+	{
+		this.drop = drop;
+		this.count = drop.stackSize;
+		this.baseChance = 100;		
+	}	
+
+	public OreDrop(ItemStack drop, Integer baseChance)
+	{
+		this.drop = drop;
+		this.count = drop.stackSize;
+		this.baseChance = baseChance;
+	}
+	
+	public ItemStack getDrops(int fortuneLevel, Random random)
+	{	
+		int count;
+		if (baseChance == 100) //This always drops. Use vanilla fortune rules.
+		{
+			count = calculateFortuneMulti(fortuneLevel, random);
+		} else if (calculateFortuneSingle(fortuneLevel, random))  //This has a chance to drop. Increase that chance with fortune.
+		{
+			count = this.count;
+		}
+		else
+		{
+			count = 0;
+		}
+		return new ItemStack(drop.getItem(), count, drop.getItemDamage());
+	}
+	
+	//Refer to http://minecraft.gamepedia.com/Enchanting#Fortune
+	private int calculateFortuneMulti(int level, Random random)
+	{
+		int chanceOfEachBonus = 100 / (level + 2);
+		int roll = random.nextInt(100);
+		
+		if (roll <= chanceOfEachBonus * level) //If level = 0, this is always false
+		{
+			return (roll / chanceOfEachBonus) + 2;
+		}
+		else
+		{
+			return 1;
+		}		
+	}
+	
+	//Each fortune level increases probability by 50% of base, up to a limit of 100%.
+	//So, if base is 5% and we have Fortune III, chance is 5% + (3 * 2.5%) = 12.5%
+	private boolean calculateFortuneSingle(int level, Random random)
+	{
+		double modifier = ConfigTechReborn.FortuneSecondaryOreMultiplierPerLevel * level;
+		double total = baseChance + (baseChance * modifier);
+		int roll = random.nextInt(100);
+		return roll <= total;			
+	}
+	
+	public ItemStack drop;
+	public Integer baseChance;
+	public Integer count;
+}

src/main/java/techreborn/blocks/OreDropSet.java

@@ -0,0 +1,37 @@
+package techreborn.blocks;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.MathHelper;
+import techreborn.init.ModBlocks;
+import techreborn.config.ConfigTechReborn;
+import net.minecraft.block.Block;
+
+public class OreDropSet
+{
+	public OreDropSet(OreDrop primary, OreDrop... secondaries)
+	{
+		this.primary = primary;
+		this.secondaries = secondaries;
+	}
+	
+	public ArrayList<ItemStack> drop(int fortune, Random random)
+	{
+		ArrayList<ItemStack> drops = new ArrayList<ItemStack>();
+
+		for (OreDrop drop : secondaries)
+		{
+			drops.add(drop.getDrops(fortune, random));
+		}
+
+		drops.add(primary.getDrops(fortune, random));
+		return drops;
+	}
+	
+	public OreDrop primary;
+	public OreDrop[] secondaries;
+}

src/main/java/techreborn/config/ConfigTechReborn.java

@@ -61,6 +61,8 @@ public class ConfigTechReborn {
     public static boolean SodaliteOreTrue;
     public static int SodaliteOreRare;
 
+    public static double FortuneSecondaryOreMultiplierPerLevel;
+
     // Power
     public static int ThermalGenertaorOutput;
     public static int CentrifugeInputTick;
@@ -438,6 +440,15 @@ public class ConfigTechReborn {
                                 .translateToLocal("config.techreborn.silverOre.rare.tooltip"))
                 .getInt();
 
+        FortuneSecondaryOreMultiplierPerLevel = config
+                .get(CATEGORY_WORLD,
+                        StatCollector
+                                .translateToLocal("config.techreborn.fortuneSecondaryOreMultiplierPerLevel"),
+                        0.5,
+                        StatCollector
+                                .translateToLocal("config.techreborn.fortuneSecondaryOreMultiplierPerLevel.tooltip"))
+                .getDouble();
+				
         // Power
         ThermalGenertaorOutput = config
                 .get(CATEGORY_POWER,

src/main/resources/assets/techreborn/lang/en_US.lang

@@ -710,6 +710,9 @@ config.techreborn.allow.olivineOre.tooltip=Decide whether Olivine Ore spawns or
 config.techreborn.allow.sodaliteOre=Allow Sodalite Ore
 config.techreborn.allow.sodaliteOre.tooltip=Decide whether Sodalite Ore spawns or not
 
+config.techreborn.fortuneSecondaryOreMultiplierPerLevel=Fortune's Effect on Secondaries
+config.techreborn.fortuneSecondaryOreMultiplierPerLevel.tooltip=How much of an increase should each level of fortune have on secondary ore drops?
+
 config.techreborn.allowExpensiveMacerator=Allow Expensive Macerator
 config.techreborn.allowExpensiveMacerator.tooltip=
 config.techreborn.allowExpensiveDrill=Allow Expensive Drill