Commit of a hook for adding items into world dungeon generation.
Uses a weighted random selection scheme. Also a hook for adding custom mobs to the dungeon generation list.
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LexManos
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5 changed files with 401 additions and 0 deletions
51
forge/forge_common/net/minecraft/src/forge/DungeonLoot.java
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51
forge/forge_common/net/minecraft/src/forge/DungeonLoot.java
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package net.minecraft.src.forge;
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import java.util.Random;
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import net.minecraft.src.ItemStack;
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/**
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*
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* Used to hold a list of all items that can be spawned in a world dungeon
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*
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*/
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public class DungeonLoot
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{
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private ItemStack item;
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private int minCount = 1;
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private int maxCount = 1;
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/**
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* @param item A item stack
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* @param min Minimum stack size when randomly generating
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* @param max Maximum stack size when randomly generating
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*/
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public DungeonLoot(ItemStack item, int min, int max)
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{
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this.item = item;
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minCount = min;
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maxCount = max;
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}
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/**
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* Grabs a ItemStack ready to be added to the dungeon chest,
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* the stack size will be between minCount and maxCount
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* @param rand World gen random number generator
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* @return The ItemStack to be added to the chest
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*/
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public ItemStack generateStack(Random rand)
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{
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ItemStack ret = this.item.copy();
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ret.stackSize = minCount + (rand.nextInt(maxCount - minCount + 1));
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return ret;
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}
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public boolean equals(ItemStack item, int min, int max)
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{
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return (min == minCount && max == maxCount && item.isItemEqual(this.item));
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}
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public boolean equals(ItemStack item)
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{
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return item.isItemEqual(this.item);
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}
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}
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@ -365,4 +365,246 @@ public class MinecraftForge {
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}
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}
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private static int dungeonLootAttempts = 8;
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private static ArrayList<ObjectPair<Float, String>> dungeonMobs = new ArrayList<ObjectPair<Float, String>>();
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private static ArrayList<ObjectPair<Float, DungeonLoot>> dungeonLoot = new ArrayList<ObjectPair<Float, DungeonLoot>>();
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/**
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* Set the number of item stacks that will be attempted to be added to each Dungeon chest.
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* Note: Due to random number generation, you will not always get this amount per chest.
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* @param number The maximum number of item stacks to add to a chest.
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*/
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public static void setDungeonLootTries(int number)
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{
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dungeonLootAttempts = number;
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}
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/**
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* @return The max number of item stacks found in each dungeon chest.
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*/
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public static int getDungeonLootTries()
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{
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return dungeonLootAttempts;
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}
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/**
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* Adds a mob to the possible list of creatures the spawner will create.
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* If the mob is already in the spawn list, the rarity will be added to the existing one,
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* causing the mob to be more common.
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*
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* @param name The name of the monster, use the same name used when registering the entity.
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* @param rarity The rarity of selecting this mob over others. Must be greater then 0.
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* Vanilla Minecraft has the following mobs:
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* Spider 1
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* Skeleton 1
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* Zombie 2
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* Meaning, Zombies are twice as common as spiders or skeletons.
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* @return The new rarity of the monster,
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*/
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public static float addDungeonMob(String name, float rarity)
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{
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if (rarity <= 0)
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{
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throw new IllegalArgumentException("Rarity must be greater then zero");
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}
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for(ObjectPair<Float, String> mob : dungeonMobs)
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{
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if (name.equals(mob.getValue2()))
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{
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mob.setValue1(mob.getValue1() + rarity);
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return mob.getValue1();
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}
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}
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dungeonMobs.add(new ObjectPair<Float, String>(rarity, name));
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return rarity;
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}
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/**
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* Will completely remove a Mob from the dungeon spawn list.
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*
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* @param name The name of the mob to remove
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* @return The rarity of the removed mob, prior to being removed.
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*/
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public static float removeDungeonMob(String name)
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{
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for (ObjectPair<Float, String> mob : dungeonMobs)
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{
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if (name.equals(name))
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{
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dungeonMobs.remove(mob);
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return mob.getValue1();
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}
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}
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return 0;
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}
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/**
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* Gets a random mob name from the list.
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* @param rand World generation random number generator
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* @return The mob name
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*/
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public static String getRandomDungeonMob(Random rand)
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{
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float maxRarity = 0f;
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for (ObjectPair<Float, String> mob : dungeonMobs)
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{
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maxRarity += mob.getValue1();
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}
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float targetRarity = rand.nextFloat() * maxRarity;
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for (ObjectPair<Float, String> mob : dungeonMobs)
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{
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if (targetRarity < mob.getValue1())
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{
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return mob.getValue2();
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}
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targetRarity -= mob.getValue1();
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}
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return "";
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}
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/**
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* Adds a item stack to the dungeon loot list with a stack size
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* of 1.
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*
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* @param item The ItemStack to be added to the loot list
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* @param rarity The relative chance that this item will spawn, Vanilla has
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* most of its items set to 1. Like the saddle, bread, silk, wheat, etc..
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* Rarer items are set to lower values, EXA: Golden Apple 0.01
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*/
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public static void addDungeonLoot(ItemStack item, float rarity)
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{
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addDungeonLoot(item, rarity, 1, 1);
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}
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/**
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* Adds a item stack, with a range of sizes, to the dungeon loot list.
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* If a stack matching the same item, and size range, is already in the list
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* the rarities will be added together making the item more common.
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*
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* @param item The ItemStack to be added to the loot list
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* @param rarity The relative chance that this item will spawn, Vanilla has
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* most of its items set to 1. Like the saddle, bread, silk, wheat, etc..
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* Rarer items are set to lower values, EXA: Golden Apple 0.01
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* @param minCount When this item does generate, the minimum number that is in the stack
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* @param maxCount When this item does generate, the maximum number that can bein the stack
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* @return The new rarity of the loot.
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*/
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public static float addDungeonLoot(ItemStack item, float rarity, int minCount, int maxCount)
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{
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for (ObjectPair<Float, DungeonLoot> loot : dungeonLoot)
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{
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if (loot.getValue2().equals(item, minCount, maxCount))
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{
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loot.setValue1(loot.getValue1() + rarity);
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return loot.getValue1();
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}
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}
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dungeonLoot.add(new ObjectPair<Float, DungeonLoot>(rarity, new DungeonLoot(item, minCount, maxCount)));
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return rarity;
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}
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/**
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* Removes a item stack from the dungeon loot list, this will remove all items
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* as long as the item stack matches, it will not care about matching the stack
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* size ranges perfectly.
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*
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* @param item The item stack to remove
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* @return The total rarity of all items removed
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*/
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public static float removeDungeonLoot(ItemStack item)
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{
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return removeDungeonLoot(item, -1, 0);
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}
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/**
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* Removes a item stack from the dungeon loot list. If 'minCount' parameter
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* is greater then 0, it will only remove loot items that have the same exact
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* stack size range as passed in by parameters.
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*
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* @param item The item stack to remove
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* @param minCount The minimum count for the match check, if less then 0,
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* the size check is skipped
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* @param maxCount The max count used in match check when 'minCount' is >= 0
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* @return The total rarity of all items removed
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*/
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public static float removeDungeonLoot(ItemStack item, int minCount, int maxCount)
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{
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float rarity = 0;
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ArrayList<ObjectPair<Float, DungeonLoot>> lootTmp = (ArrayList<ObjectPair<Float, DungeonLoot>>)dungeonLoot.clone();
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if (minCount < 0)
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{
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for (ObjectPair<Float, DungeonLoot> loot : lootTmp)
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{
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if (loot.getValue2().equals(item))
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{
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dungeonLoot.remove(loot);
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rarity += loot.getValue1();
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}
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}
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}
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else
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{
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for (ObjectPair<Float, DungeonLoot> loot : lootTmp)
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{
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if (loot.getValue2().equals(item, minCount, maxCount))
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{
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dungeonLoot.remove(loot);
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rarity += loot.getValue1();
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}
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}
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}
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return rarity;
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}
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/**
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* Gets a random item stack to place in a dungeon chest during world generation
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* @param rand World generation random number generator
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* @return The item stack
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*/
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public static ItemStack getRandomDungeonLoot(Random rand)
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{
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float maxRarity = 0f;
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for (ObjectPair<Float, DungeonLoot> loot : dungeonLoot)
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{
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maxRarity += loot.getValue1();
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}
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float targetRarity = rand.nextFloat() * maxRarity;
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for (ObjectPair<Float, DungeonLoot> loot : dungeonLoot)
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{
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if (targetRarity < loot.getValue1())
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{
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return loot.getValue2().generateStack(rand);
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}
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targetRarity -= loot.getValue1();
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}
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return null;
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}
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static
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{
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addDungeonMob("Skeleton", 1.0f);
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addDungeonMob("Zombie", 2.0f);
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addDungeonMob("Spider", 1.0f);
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addDungeonLoot(new ItemStack(Item.saddle), 1.00f );
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addDungeonLoot(new ItemStack(Item.ingotIron), 1.00f, 1, 4);
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addDungeonLoot(new ItemStack(Item.bread), 1.00f );
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addDungeonLoot(new ItemStack(Item.wheat), 1.00f, 1, 4);
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addDungeonLoot(new ItemStack(Item.gunpowder), 1.00f, 1, 4);
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addDungeonLoot(new ItemStack(Item.silk), 1.00f, 1, 4);
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addDungeonLoot(new ItemStack(Item.bucketEmpty), 1.00f );
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addDungeonLoot(new ItemStack(Item.appleGold), 0.01f );
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addDungeonLoot(new ItemStack(Item.redstone), 0.50f, 1, 4);
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addDungeonLoot(new ItemStack(Item.record13), 0.05f );
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addDungeonLoot(new ItemStack(Item.recordCat), 0.05f );
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addDungeonLoot(new ItemStack(Item.dyePowder, 1, 3), 1.00f );
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}
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}
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40
forge/forge_common/net/minecraft/src/forge/ObjectPair.java
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40
forge/forge_common/net/minecraft/src/forge/ObjectPair.java
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package net.minecraft.src.forge;
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/**
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* A class that holds two generic values, can be used as a Key/Value pair,
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* but is used in forge as a frequency/object pair.
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*
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* @param <T1> The type of the first value
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* @param <T2> The Type of the second value
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*/
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public class ObjectPair<T1, T2>
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{
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private T1 object1;
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private T2 object2;
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public ObjectPair(T1 obj1, T2 obj2)
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{
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this.object1 = obj1;
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this.object2 = obj2;
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}
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public T1 getValue1()
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{
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return this.object1;
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}
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public T2 getValue2()
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{
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return this.object2;
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}
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public void setValue1(T1 value)
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{
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object1 = value;
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}
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public void setValue2(T2 value)
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{
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object2 = value;
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}
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}
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@ -0,0 +1,34 @@
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--- ../src_base/minecraft/net/minecraft/src/WorldGenDungeons.java 0000-00-00 00:00:00.000000000 -0000
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+++ ../src_work/minecraft/net/minecraft/src/WorldGenDungeons.java 0000-00-00 00:00:00.000000000 -0000
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@@ -7,6 +7,8 @@
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import java.io.PrintStream;
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import java.util.Random;
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+import net.minecraft.src.forge.MinecraftForge;
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+
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// Referenced classes of package net.minecraft.src:
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// WorldGenerator, World, Material, Block,
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// TileEntityChest, TileEntityMobSpawner, ItemStack, Item
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@@ -129,11 +131,11 @@
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int k4 = 0;
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do
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{
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- if(k4 >= 8)
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+ if(k4 >= MinecraftForge.getDungeonLootTries())
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{
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break label0;
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}
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- ItemStack itemstack = pickCheckLootItem(random);
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+ ItemStack itemstack = MinecraftForge.getRandomDungeonLoot(random);
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if(itemstack != null)
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{
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tileentitychest.setInventorySlotContents(random.nextInt(tileentitychest.getSizeInventory()), itemstack);
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@@ -148,7 +150,7 @@
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TileEntityMobSpawner tileentitymobspawner = (TileEntityMobSpawner)world.getBlockTileEntity(i, j, k);
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if(tileentitymobspawner != null)
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{
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- tileentitymobspawner.setMobID(pickMobSpawner(random));
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+ tileentitymobspawner.setMobID(MinecraftForge.getRandomDungeonMob(random));
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} else
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{
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System.err.println((new StringBuilder()).append("Failed to fetch mob spawner entity at (").append(i).append(", ").append(j).append(", ").append(k).append(")").toString());
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--- ../src_base/minecraft_server/net/minecraft/src/WorldGenDungeons.java 0000-00-00 00:00:00.000000000 -0000
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+++ ../src_work/minecraft_server/net/minecraft/src/WorldGenDungeons.java 0000-00-00 00:00:00.000000000 -0000
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@@ -7,6 +7,8 @@
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import java.io.PrintStream;
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import java.util.Random;
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+import net.minecraft.src.forge.MinecraftForge;
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+
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// Referenced classes of package net.minecraft.src:
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// WorldGenerator, World, Material, Block,
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// TileEntityChest, TileEntityMobSpawner, ItemStack, Item
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@@ -129,11 +131,11 @@
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int k4 = 0;
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do
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{
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- if(k4 >= 8)
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+ if(k4 >= MinecraftForge.getDungeonLootTries())
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{
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break label0;
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}
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- ItemStack itemstack = pickCheckLootItem(random);
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+ ItemStack itemstack = MinecraftForge.getRandomDungeonLoot(random);
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if(itemstack != null)
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{
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tileentitychest.setInventorySlotContents(random.nextInt(tileentitychest.getSizeInventory()), itemstack);
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@@ -148,7 +150,7 @@
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TileEntityMobSpawner tileentitymobspawner = (TileEntityMobSpawner)world.getBlockTileEntity(i, j, k);
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if(tileentitymobspawner != null)
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{
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- tileentitymobspawner.setMobID(pickMobSpawner(random));
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+ tileentitymobspawner.setMobID(MinecraftForge.getRandomDungeonMob(random));
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} else
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{
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System.err.println((new StringBuilder()).append("Failed to fetch mob spawner entity at (").append(i).append(", ").append(j).append(", ").append(k).append(")").toString());
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