Electroblob
1103 lines
50 KiB
Java
1103 lines
50 KiB
Java
package electroblob.wizardry.util;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Random;
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import java.util.UUID;
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import java.util.function.Function;
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import javax.annotation.Nullable;
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import org.apache.commons.lang3.tuple.ImmutablePair;
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import electroblob.wizardry.CommonProxy;
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import electroblob.wizardry.WizardData;
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import electroblob.wizardry.Wizardry;
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import electroblob.wizardry.constants.Element;
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import electroblob.wizardry.constants.Tier;
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import electroblob.wizardry.entity.living.ISummonedCreature;
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import electroblob.wizardry.registry.WizardryItems;
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import electroblob.wizardry.registry.WizardryPotions;
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import electroblob.wizardry.spell.MindControl;
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import electroblob.wizardry.spell.Spell;
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import net.minecraft.block.state.IBlockState;
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import net.minecraft.entity.Entity;
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import net.minecraft.entity.EntityLiving;
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import net.minecraft.entity.EntityLivingBase;
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import net.minecraft.entity.item.EntityArmorStand;
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import net.minecraft.entity.monster.EntityCreeper;
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import net.minecraft.entity.player.EntityPlayer;
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import net.minecraft.inventory.EntityEquipmentSlot;
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import net.minecraft.inventory.EntityEquipmentSlot.Type;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemStack;
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import net.minecraft.nbt.NBTBase;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.nbt.NBTTagList;
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import net.minecraft.network.datasync.DataParameter;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.util.DamageSource;
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import net.minecraft.util.EnumFacing;
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import net.minecraft.util.NonNullList;
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import net.minecraft.util.SoundCategory;
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import net.minecraft.util.SoundEvent;
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import net.minecraft.util.math.AxisAlignedBB;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.MathHelper;
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import net.minecraft.util.math.RayTraceResult;
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import net.minecraft.util.math.Vec3d;
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import net.minecraft.world.World;
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import net.minecraftforge.fml.relauncher.ReflectionHelper;
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import net.minecraftforge.fml.relauncher.Side;
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import net.minecraftforge.fml.relauncher.SideOnly;
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/**
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* This class contains some useful static methods for use anywhere - items, entities, spells, events, blocks, etc.
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* Broadly speaking, these fall into the following categories:
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* <p>
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* - In-world utilities (position calculating, retrieving entities, etc.)<br>
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* - Raytracing<br>
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* - Drawing utilities (client-only)<br>
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* - NBT and data storage utilities<br>
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* - Interaction with the ally designation system<br>
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* - Loot and weighting utilities
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*
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* @see CommonProxy
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* @see WandHelper
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* @since Wizardry 1.0
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* @author Electroblob
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*/
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public final class WizardryUtilities {
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/**
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* Constant which is simply an array of the four armour slots. (Could've sworn this exists somewhere in vanilla, but
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* I can't find it anywhere...)
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*/
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public static final EntityEquipmentSlot[] ARMOUR_SLOTS;
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/** Changed to a constant in wizardry 2.1, since this is a lot more efficient. */
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private static final DataParameter<Boolean> POWERED;
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static{
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// The list of slots needs to be mutable.
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List<EntityEquipmentSlot> slots = new ArrayList<EntityEquipmentSlot>(
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Arrays.asList(EntityEquipmentSlot.values()));
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slots.removeIf(slot -> slot.getSlotType() != Type.ARMOR);
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ARMOUR_SLOTS = slots.toArray(new EntityEquipmentSlot[0]);
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// Null is passed in deliberately since POWERED is a static field.
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POWERED = ReflectionHelper.getPrivateValue(EntityCreeper.class, null, "POWERED", "field_184714_b");
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}
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// SECTION Block/Entity/World Utilities
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// ===============================================================================================================
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/**
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* Returns whether the block at the given coordinates can be replaced by another one (works as if a block is being
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* placed by a player). True for air, liquids, vines, tall grass and snow layers but not for flowers, signs etc.
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* This is a shortcut for <code>world.getBlockState(pos).getMaterial().isReplaceable()</code>.
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*
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* @see WizardryUtilities#canBlockBeReplacedB(World, BlockPos)
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*/
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public static boolean canBlockBeReplaced(World world, BlockPos pos){
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return world.isAirBlock(new BlockPos(pos)) || world.getBlockState(pos).getMaterial().isReplaceable();
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}
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/**
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* Returns whether the block at the given coordinates can be replaced by another one (works as if a block is being
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* placed by a player) and is not a liquid. True for air, vines, tall grass and snow layers but not for flowers,
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* signs etc. or any liquids.
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*
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* @see WizardryUtilities#canBlockBeReplaced(World, BlockPos)
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*/
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public static boolean canBlockBeReplacedB(World world, BlockPos pos){
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return canBlockBeReplaced(world, pos) && !world.getBlockState(pos).getMaterial().isLiquid();
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}
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/**
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* Returns whether the block at the given coordinates is unbreakable in survival mode. In vanilla this is true for
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* bedrock and end portal frame, for example. This is a shortcut for
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* world.getBlockState(pos).getBlockHardness(world, pos) == -1.0f. Not much of a shortcut any more, since block ids
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* have been phased out.
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*/
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public static boolean isBlockUnbreakable(World world, BlockPos pos){
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return world.isAirBlock(new BlockPos(pos)) ? false
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: world.getBlockState(pos).getBlockHardness(world, pos) == -1.0f;
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}
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/**
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* Finds the nearest floor level to the given y coord within the range specified at the given x and z coords.
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* Liquids and other blocks that cannot be built on top of do not count, but stuff like signs does. (Technically any
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* block is allowed to be the floor according to the code, but seeing as it searches upwards and non-solid blocks
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* usually need a supporting block, the floor is likely to always be solid).
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*
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* @param world
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* @param x The x coordinate to search in
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* @param y The y coordinate to search from
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* @param z The z coordinate to search in
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* @param range The maximum distance from the given y coordinate to search.
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* @return The y coordinate of the closest floor level, or -1 if there is none. Returns the actual level of the
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* floor as would be seen in the debug screen when the player is standing on it.
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* @see WizardryUtilities#getNearestFloorLevelB(World, BlockPos, int)
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*/
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public static int getNearestFloorLevel(World world, BlockPos pos, int range){
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int yCoord = -2;
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for(int i = -range; i <= range; i++){
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// The last bit determines whether the block found to be a suitable floor is closer than the previous one
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// found.
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if(world.isSideSolid(pos.up(i), EnumFacing.UP)
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&& (world.isAirBlock(pos.up(i + 1)) || !world.isSideSolid(pos.up(i + 1), EnumFacing.UP))
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&& (i < yCoord - pos.getY() || yCoord == -2)){
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yCoord = pos.getY() + i;
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}
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}
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return yCoord + 1;
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}
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/**
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* Finds the nearest floor level to the given y coord within the range specified at the given x and z coords. Only
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* works if the block above the floor is actually air and the floor is solid or a liquid.
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*
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* @param world
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* @param x The x coordinate to search in
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* @param y The y coordinate to search from
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* @param z The z coordinate to search in
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* @param range The maximum distance from the given y coordinate to search.
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* @return The y coordinate of the closest floor level, or -1 if there is none. Returns the actual level of the
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* floor as would be seen in the debug screen when the player is standing on it.
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* @see WizardryUtilities#getNearestFloorLevel(World, BlockPos, int)
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*/
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public static int getNearestFloorLevelB(World world, BlockPos pos, int range){
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int yCoord = -2;
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for(int i = -range; i <= range; i++){
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if(world.isAirBlock(new BlockPos(pos.up(i + 1)))
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&& (world.getBlockState(pos.up(i)).getMaterial().isLiquid()
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|| world.isSideSolid(pos.up(i), EnumFacing.UP))
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&& (i < yCoord - pos.getY() || yCoord == -2)){
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// The last bit determines whether the block found to be a suitable floor is closer than the previous
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// one found.
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yCoord = pos.getY() + i;
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}
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}
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return yCoord + 1;
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}
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/**
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* Finds the nearest floor level to the given y coord within the range specified at the given x and z coords.
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* Everything that is not air is treated as floor, even stuff that can't be walked on.
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*
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* @param world
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* @param x The x coordinate to search in
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* @param y The y coordinate to search from
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* @param z The z coordinate to search in
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* @param range The maximum distance from the given y coordinate to search.
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* @return The y coordinate of the closest floor level, or -1 if there is none. Returns the actual level of the
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* floor as would be seen in the debug screen when the player is standing on it.
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* @see WizardryUtilities#getNearestFloorLevel(World, BlockPos, int)
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*/
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public static int getNearestFloorLevelC(World world, BlockPos pos, int range){
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int yCoord = -2;
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for(int i = -range; i <= range; i++){
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if(world.isAirBlock(new BlockPos(pos.up(i + 1))) && (i < yCoord - pos.getY() || yCoord == -2)){
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// The last bit determines whether the block found to be a suitable floor is closer than the previous
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// one found.
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yCoord = pos.getY() + i;
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}
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}
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return yCoord + 1;
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}
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/**
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* Gets a random position on the ground near the player within the specified horizontal and vertical ranges. Used to
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* find a position to spawn entities in summoning spells.
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*
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* @param entity The entity around which to search
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* @param horizontalRange The maximum number of blocks on the x or z axis the returned position can be from the
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* given entity. <i>The number of operations performed by this method is proportional to the square of this
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* parameter, so for performance reasons it is recommended that it does not exceed around 10.</i>
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* @param verticalRange The maximum number of blocks on the y axis the returned position can be from the given
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* entity
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* @return A BlockPos with the coordinates of the block directly above the ground at the position found, or null if
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* none were found within range. Importantly, since this method checks <i>all possible</i> positions within
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* range (i.e. randomness only occurs when deciding between the possible positions), if it returns null once
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* then it will always return null given the same circumstances and parameters. What this means is that you
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* can (and should) immediately stop trying to cast a summoning spell if this returns null.
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*/
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@Nullable
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public static BlockPos findNearbyFloorSpace(Entity entity, int horizontalRange, int verticalRange){
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World world = entity.world;
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List<BlockPos> possibleLocations = new ArrayList<BlockPos>();
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BlockPos origin = new BlockPos(entity);
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for(int x = -horizontalRange; x <= horizontalRange; x++){
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for(int z = -horizontalRange; z <= horizontalRange; z++){
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int y = WizardryUtilities.getNearestFloorLevel(world, origin.add(x, 0, z), verticalRange);
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if(y > -1) possibleLocations.add(new BlockPos(origin.getX() + x, y, origin.getZ() + z));
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}
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}
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if(possibleLocations.isEmpty()){
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return null;
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}else{
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return possibleLocations.get(world.rand.nextInt(possibleLocations.size()));
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}
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}
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/**
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* Gets the blockstate of the block the specified entity is standing on. Uses
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* {@link MathHelper#floor_double(double)} because casting to int will not return the correct coordinate when x or z
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* is negative.
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*/
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public static IBlockState getBlockEntityIsStandingOn(Entity entity){
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BlockPos pos = new BlockPos(MathHelper.floor(entity.posX), (int)entity.getEntityBoundingBox().minY - 1,
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MathHelper.floor(entity.posZ));
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return entity.world.getBlockState(pos);
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}
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/**
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* Shorthand for {@link WizardryUtilities#getEntitiesWithinRadius(double, double, double, double, World, Class)}
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* with EntityLivingBase as the entity type. This is by far the most common use for that method, which is why this
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* shorthand exists.
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*
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* @param radius The search radius
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* @param x The x coordinate to search around
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* @param y The y coordinate to search around
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* @param z The z coordinate to search around
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* @param world The world to search in
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*/
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public static List<EntityLivingBase> getEntitiesWithinRadius(double radius, double x, double y, double z,
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World world){
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return getEntitiesWithinRadius(radius, x, y, z, world, EntityLivingBase.class);
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}
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/**
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* Returns all entities of the specified type within the specified radius of the given coordinates. This is
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* different to using a raw AABB because a raw AABB will search in a cube volume rather than a sphere. Note that
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* this does not exclude any entities; if any specific entities are to be excluded this must be checked when
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* iterating through the list.
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*
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* @see {@link WizardryUtilities#getEntitiesWithinRadius(double, double, double, double, World)}
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* @param radius The search radius
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* @param x The x coordinate to search around
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* @param y The y coordinate to search around
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* @param z The z coordinate to search around
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* @param world The world to search in
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* @param entityType The class of entity to search for; pass in Entity.class for all entities
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*/
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public static <T extends Entity> List<T> getEntitiesWithinRadius(double radius, double x, double y, double z,
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World world, Class<T> entityType){
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AxisAlignedBB aabb = new AxisAlignedBB(x - radius, y - radius, z - radius, x + radius, y + radius, z + radius);
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List<T> entityList = world.getEntitiesWithinAABB(entityType, aabb);
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for(int i = 0; i < entityList.size(); i++){
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if(entityList.get(i).getDistance(x, y, z) > radius){
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entityList.remove(i);
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}
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}
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return entityList;
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}
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/**
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* Gets an entity from its UUID. Note that you should check this isn't null. If the UUID is known to belong to an
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* EntityPlayer, use the more efficient {@link World#getPlayerEntityByUUID(UUID)} instead.
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*
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* @param world The world the entity is in
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* @param id The entity's UUID
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* @return The Entity that has the given UUID, or null if no such entity exists in the specified world.
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*/
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@Nullable
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public static Entity getEntityByUUID(World world, UUID id){
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for(Entity entity : world.loadedEntityList){
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// This is a perfect example of where you need to use .equals() and not ==. For most applications,
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// this was unnoticeable until world reload because the UUID instance or entity instance is stored.
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// Fixed now though.
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if(entity.getUniqueID().equals(id)){
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return entity;
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}
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}
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return null;
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}
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// No point allowing anything other than players for these methods since other entities can use Entity#playSound.
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/**
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* Shortcut for
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* {@link World#playSound(EntityPlayer, double, double, double, SoundEvent, SoundCategory, float, float)} where the
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* player is null but the x, y and z coordinates are those of the passed in player. Use in preference to
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* {@link EntityPlayer#playSound(SoundEvent, float, float)} if there are client-server discrepancies.
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*/
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public static void playSoundAtPlayer(EntityPlayer player, SoundEvent sound, SoundCategory category, float volume,
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float pitch){
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player.world.playSound(null, player.posX, player.posY, player.posZ, sound, category, volume, pitch);
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}
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/**
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* See {@link WizardryUtilities#playSoundAtPlayer(EntityPlayer, SoundEvent, SoundCategory, float, float)}. Category
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* defaults to {@link SoundCategory#PLAYERS}.
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*/
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public static void playSoundAtPlayer(EntityPlayer player, SoundEvent sound, float volume, float pitch){
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player.world.playSound(null, player.posX, player.posY, player.posZ, sound, SoundCategory.PLAYERS, volume,
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pitch);
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}
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/**
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* Returns the entity riding the given entity, or null if there is none. Allows for neater code now that entities
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* have a list of passengers, because it is necessary to check that the list is not null or empty first.
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*/
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@Nullable
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public static Entity getRider(Entity entity){
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return entity.getPassengers() != null && !entity.getPassengers().isEmpty() ? entity.getPassengers().get(0)
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: null;
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}
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/**
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* Attacks the given entity with the given damage source and amount, but preserving the entity's original velocity
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* instead of applying knockback, as would happen with
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* {@link EntityLivingBase#attackEntityFrom(DamageSource, float)} <i>(More accurately, calls that method as normal
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* and then resets the entity's velocity to what it was before).</i> Handy for when you need to damage an entity
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* repeatedly in a short space of time.
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*
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* @param entity The entity to attack
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* @param source The source of the damage
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* @param amount The amount of damage to apply
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* @return True if the attack succeeded, false if not.
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*/
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public static boolean attackEntityWithoutKnockback(Entity entity, DamageSource source, float amount){
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double vx = entity.motionX;
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double vy = entity.motionY;
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double vz = entity.motionZ;
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boolean succeeded = entity.attackEntityFrom(source, amount);
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entity.motionX = vx;
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entity.motionY = vy;
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entity.motionZ = vz;
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return succeeded;
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}
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/**
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* Applies the standard (non-enchanted) amount of knockback to the given target, using the same calculation as
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* {@link EntityLivingBase#attackEntityFrom(DamageSource, float)}. Use in conjunction with
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* {@link WizardryUtilities#attackEntityWithoutKnockback(Entity, DamageSource, float)} to change the source of
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* knockback for an attack.
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*
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* @param attacker The entity that caused the knockback; the target will be pushed away from this entity.
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* @param target The entity to be knocked back.
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*/
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public static void applyStandardKnockback(Entity attacker, EntityLivingBase target){
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double dx = attacker.posX - target.posX;
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double dz;
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for(dz = attacker.posZ - target.posZ; dx * dx + dz * dz < 1.0E-4D; dz = (Math.random() - Math.random())
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* 0.01D){
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dx = (Math.random() - Math.random()) * 0.01D;
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}
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// The first argument is never used.
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target.knockBack(null, 0.4f, dx, dz);
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}
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// Just what benefit does having posY be the eye position on the first person client actually give?
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/**
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* Gets the y coordinate of the given player's eyes. This is to cover an inconsistency between the value of
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* EntityPlayer.posY on the first person client and everywhere else; in first person (i.e. when
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* Minecraft.getMinecraft().player == player) player.posY is the eye position, but everywhere else it is the feet
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* position. This is intended for use when spawning particles, since this is the only situation where the
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* discrepancy is likely to matter.
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* <p>
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* As of Wizardry 1.2, this is just a shorthand for:
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* <p>
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* <code><center>player.getEntityBoundingBox().minY + player.getEyeHeight()</code></center>
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*/
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public static double getPlayerEyesPos(EntityPlayer player){
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return player.getEntityBoundingBox().minY + player.getEyeHeight();
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}
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/**
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* Returns a list of the itemstacks in the given player's hotbar. Defined here for convenience and to centralise the
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* (unfortunately unavoidable) use of hardcoded numbers to reference the inventory slots. The returned list is a
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* modifiable copy of part of the player's inventory stack list; as such, changes to the list are <b>not</b> written
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* through to the player's inventory. However, the ItemStack instances themselves are not copied, so changes to any
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* of their fields (size, metadata...) will change those in the player's inventory.
|
|
*
|
|
* @since Wizardry 1.2
|
|
*/
|
|
public static List<ItemStack> getHotbar(EntityPlayer player){
|
|
NonNullList<ItemStack> hotbar = NonNullList.create();
|
|
hotbar.addAll(player.inventory.mainInventory.subList(0, 9));
|
|
return hotbar;
|
|
}
|
|
|
|
/**
|
|
* Returns a list of the itemstacks in the given player's hotbar and offhand, sorted into the following order: main
|
|
* hand, offhand, rest of hotbar left-to-right. The returned list is a modifiable copy of part of the player's
|
|
* inventory stack list; as such, changes to the list are <b>not</b> written through to the player's inventory.
|
|
* However, the ItemStack instances themselves are not copied, so changes to any of their fields (size, metadata...)
|
|
* will change those in the player's inventory.
|
|
*
|
|
* @since Wizardry 1.2
|
|
*/
|
|
public static List<ItemStack> getPrioritisedHotbarAndOffhand(EntityPlayer player){
|
|
List<ItemStack> hotbar = WizardryUtilities.getHotbar(player);
|
|
// Adds the offhand item to the beginning of the list so it is processed before the hotbar
|
|
hotbar.add(0, player.getHeldItemOffhand());
|
|
// Moves the item in the main hand to the beginning of the list so it is processed first
|
|
hotbar.remove(player.getHeldItemMainhand());
|
|
hotbar.add(0, player.getHeldItemMainhand());
|
|
return hotbar;
|
|
}
|
|
|
|
/**
|
|
* Tests whether the specified player has any of the specified item in their entire inventory, including armour
|
|
* slots and offhand.
|
|
*/
|
|
public static boolean doesPlayerHaveItem(EntityPlayer player, Item item){
|
|
|
|
for(ItemStack stack : player.inventory.mainInventory){
|
|
if(stack.getItem() == item){
|
|
return true;
|
|
}
|
|
}
|
|
|
|
for(ItemStack stack : player.inventory.armorInventory){
|
|
if(stack.getItem() == item){
|
|
return true;
|
|
}
|
|
}
|
|
|
|
for(ItemStack stack : player.inventory.offHandInventory){
|
|
if(stack.getItem() == item){
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Checks if the given player is opped on the given server. If the server is a singleplayer or LAN server, this
|
|
* means they have cheats enabled.
|
|
*/
|
|
public static boolean isPlayerOp(EntityPlayer player, MinecraftServer server){
|
|
return server.getPlayerList().getOppedPlayers().getEntry(player.getGameProfile()) != null;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the given entity is an EntityLivingBase and not an armour stand; makes the code a bit neater.
|
|
* This was added because armour stands are a subclass of EntityLivingBase, but shouldn't necessarily be treated
|
|
* as living entities - this depends on the situation. <i>The given entity can safely be cast to EntityLivingBase
|
|
* if this method returns true.</i>
|
|
*/
|
|
// In my opinion, it's a bad design choice to have armour stands extend EntityLivingBase directly - it would be
|
|
// better to make a parent class which is extended by both armour stands and EntityLivingBase and contains only
|
|
// the code required by both.
|
|
public static boolean isLiving(Entity entity){
|
|
return entity instanceof EntityLivingBase && !(entity instanceof EntityArmorStand);
|
|
}
|
|
|
|
/**
|
|
* Turns the given creeper into a charged creeper. In 1.10, this requires reflection since the DataManager keys are
|
|
* private. (You <i>could</i> call {@link EntityCreeper#onStruckByLightning(...)} and then heal it and extinguish
|
|
* it, but that's a bit awkward.)
|
|
*/
|
|
public static void chargeCreeper(EntityCreeper creeper){
|
|
creeper.getDataManager().set(POWERED, true);
|
|
}
|
|
|
|
// SECTION Raytracing
|
|
// ===============================================================================================================
|
|
|
|
/**
|
|
* Does a block ray trace (NOT entities) from an entity's eyes (i.e. properly...)
|
|
*/
|
|
@Nullable
|
|
public static RayTraceResult rayTrace(double range, World world, EntityLivingBase entity, boolean hitLiquids){
|
|
|
|
Vec3d start = new Vec3d(entity.posX, entity.getEntityBoundingBox().minY + entity.getEyeHeight(), entity.posZ);
|
|
Vec3d look = entity.getLookVec();
|
|
Vec3d end = start.addVector(look.x * range, look.y * range, look.z * range);
|
|
return world.rayTraceBlocks(start, end, hitLiquids);
|
|
}
|
|
|
|
/**
|
|
* Helper method which does a rayTrace for entities from an entity's eye level in the direction they are looking
|
|
* with a specified range, using the tracePath method. Tidies up the code a bit. Border size defaults to 1.
|
|
*
|
|
* @param world
|
|
* @param entity
|
|
* @param range
|
|
* @return
|
|
*/
|
|
@Nullable
|
|
public static RayTraceResult standardEntityRayTrace(World world, EntityLivingBase entity, double range){
|
|
double dx = entity.getLookVec().x * range;
|
|
double dy = entity.getLookVec().y * range;
|
|
double dz = entity.getLookVec().z * range;
|
|
HashSet<Entity> hashset = new HashSet<Entity>(1);
|
|
hashset.add(entity);
|
|
return WizardryUtilities.tracePath(world, (float)entity.posX,
|
|
(float)(entity.getEntityBoundingBox().minY + entity.getEyeHeight()), (float)entity.posZ,
|
|
(float)(entity.posX + dx), (float)(entity.posY + entity.getEyeHeight() + dy), (float)(entity.posZ + dz),
|
|
1.0f, hashset, false);
|
|
}
|
|
|
|
/**
|
|
* Helper method which does a rayTrace for entities from a entity's eye level in the direction they are looking with
|
|
* a specified range and radius, using the tracePath method. Tidies up the code a bit.
|
|
*
|
|
* @param world
|
|
* @param entity
|
|
* @param range
|
|
* @param borderSize
|
|
* @return
|
|
*/
|
|
@Nullable
|
|
public static RayTraceResult standardEntityRayTrace(World world, EntityLivingBase entity, double range,
|
|
float borderSize){
|
|
double dx = entity.getLookVec().x * range;
|
|
double dy = entity.getLookVec().y * range;
|
|
double dz = entity.getLookVec().z * range;
|
|
HashSet<Entity> hashset = new HashSet<Entity>(1);
|
|
hashset.add(entity);
|
|
return WizardryUtilities.tracePath(world, (float)entity.posX,
|
|
(float)(entity.getEntityBoundingBox().minY + entity.getEyeHeight()), (float)entity.posZ,
|
|
(float)(entity.posX + dx), (float)(entity.posY + entity.getEyeHeight() + dy), (float)(entity.posZ + dz),
|
|
borderSize, hashset, false);
|
|
}
|
|
|
|
/**
|
|
* Method for ray tracing entities (the useless default method doesn't work, despite EnumHitType having an ENTITY
|
|
* field...) You can also use this for seeking.
|
|
*
|
|
* @param world
|
|
* @param x startX
|
|
* @param y startY
|
|
* @param z startZ
|
|
* @param tx endX
|
|
* @param ty endY
|
|
* @param tz endZ
|
|
* @param borderSize extra area to examine around line for entities
|
|
* @param excluded any excluded entities (the player, etc)
|
|
* @return a RayTraceResult of either the block hit (no entity hit), the entity hit (hit an entity), or null for
|
|
* nothing hit
|
|
*/
|
|
@Nullable
|
|
public static RayTraceResult tracePath(World world, float x, float y, float z, float tx, float ty, float tz,
|
|
float borderSize, HashSet<Entity> excluded, boolean collideablesOnly){
|
|
|
|
Vec3d startVec = new Vec3d(x, y, z);
|
|
// Vec3d lookVec = new Vec3d(tx-x, ty-y, tz-z);
|
|
Vec3d endVec = new Vec3d(tx, ty, tz);
|
|
float minX = x < tx ? x : tx;
|
|
float minY = y < ty ? y : ty;
|
|
float minZ = z < tz ? z : tz;
|
|
float maxX = x > tx ? x : tx;
|
|
float maxY = y > ty ? y : ty;
|
|
float maxZ = z > tz ? z : tz;
|
|
AxisAlignedBB bb = new AxisAlignedBB(minX, minY, minZ, maxX, maxY, maxZ).grow(borderSize, borderSize,
|
|
borderSize);
|
|
List<Entity> allEntities = world.getEntitiesWithinAABBExcludingEntity(null, bb);
|
|
RayTraceResult blockHit = world.rayTraceBlocks(startVec, endVec);
|
|
startVec = new Vec3d(x, y, z);
|
|
endVec = new Vec3d(tx, ty, tz);
|
|
float maxDistance = (float)endVec.distanceTo(startVec);
|
|
if(blockHit != null){
|
|
maxDistance = (float)blockHit.hitVec.distanceTo(startVec);
|
|
}
|
|
Entity closestHitEntity = null;
|
|
float closestHit = maxDistance;
|
|
float currentHit = 0.f;
|
|
AxisAlignedBB entityBb;// = ent.getBoundingBox();
|
|
RayTraceResult intercept;
|
|
for(Entity ent : allEntities){
|
|
if((ent.canBeCollidedWith() || !collideablesOnly)
|
|
&& ((excluded != null && !excluded.contains(ent)) || excluded == null)){
|
|
float entBorder = ent.getCollisionBorderSize();
|
|
entityBb = ent.getEntityBoundingBox();
|
|
if(entityBb != null){
|
|
entityBb = entityBb.grow(entBorder, entBorder, entBorder);
|
|
intercept = entityBb.calculateIntercept(startVec, endVec);
|
|
if(intercept != null){
|
|
currentHit = (float)intercept.hitVec.distanceTo(startVec);
|
|
if(currentHit < closestHit || currentHit == 0){
|
|
closestHit = currentHit;
|
|
closestHitEntity = ent;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(closestHitEntity != null){
|
|
blockHit = new RayTraceResult(closestHitEntity);
|
|
}
|
|
return blockHit;
|
|
}
|
|
|
|
// SECTION Rendering and GUIs
|
|
// ===============================================================================================================
|
|
|
|
// Doesn't seem right to put this in the proxies since it should only ever be called from client-side code, and I'm
|
|
// not about to make a whole separate utilities class just for one method. Fully qualified names it is!
|
|
/**
|
|
* <b>[Client-side only]</b> Draws a textured rectangle, taking the size of the image and the bit needed into
|
|
* account, unlike {@link net.minecraft.client.gui.Gui#drawTexturedModalRect(int, int, int, int, int, int)
|
|
* Gui.drawTexturedModalRect(int, int, int, int, int, int)}, which is harcoded for only 256x256 textures. Also handy
|
|
* for custom potion icons.
|
|
*
|
|
* @param x The x position of the rectangle
|
|
* @param y The y position of the rectangle
|
|
* @param u The x position of the top left corner of the section of the image wanted
|
|
* @param v The y position of the top left corner of the section of the image wanted
|
|
* @param width The width of the section
|
|
* @param height The height of the section
|
|
* @param textureWidth The width of the actual image.
|
|
* @param textureHeight The height of the actual image.
|
|
*/
|
|
@SideOnly(Side.CLIENT)
|
|
public static void drawTexturedRect(int x, int y, int u, int v, int width, int height, int textureWidth,
|
|
int textureHeight){
|
|
|
|
float f = 1F / (float)textureWidth;
|
|
float f1 = 1F / (float)textureHeight;
|
|
|
|
// Essentially the same as getting the tessellator. For most code, you'll want the tessellator AND the
|
|
// vertexbuffer
|
|
// stored in local variables.
|
|
net.minecraft.client.renderer.VertexBuffer buffer = net.minecraft.client.renderer.Tessellator.getInstance()
|
|
.getBuffer();
|
|
// Equivalent of tessellator.startDrawingQuads()
|
|
buffer.begin(org.lwjgl.opengl.GL11.GL_QUADS,
|
|
net.minecraft.client.renderer.vertex.DefaultVertexFormats.POSITION_TEX);
|
|
// Equivalent of tessellator.addVertex()
|
|
buffer.pos((double)(x), (double)(y + height), 0)
|
|
.tex((double)((float)(u) * f), (double)((float)(v + height) * f1)).endVertex();
|
|
buffer.pos((double)(x + width), (double)(y + height), 0)
|
|
.tex((double)((float)(u + width) * f), (double)((float)(v + height) * f1)).endVertex();
|
|
buffer.pos((double)(x + width), (double)(y), 0).tex((double)((float)(u + width) * f), (double)((float)(v) * f1))
|
|
.endVertex();
|
|
buffer.pos((double)(x), (double)(y), 0).tex((double)((float)(u) * f), (double)((float)(v) * f1)).endVertex();
|
|
// Exactly the same as before.
|
|
net.minecraft.client.renderer.Tessellator.getInstance().draw();
|
|
}
|
|
|
|
/**
|
|
* Shorthand for {@link WizardryUtilities#drawTexturedRect(int, int, int, int, int, int, int, int)} which draws the
|
|
* entire texture (u and v are set to 0 and textureWidth and textureHeight are the same as width and height).
|
|
*/
|
|
@SideOnly(Side.CLIENT)
|
|
public static void drawTexturedRect(int x, int y, int width, int height){
|
|
drawTexturedRect(x, y, 0, 0, width, height, width, height);
|
|
}
|
|
|
|
// SECTION NBT and Data Storage
|
|
// ===============================================================================================================
|
|
|
|
/**
|
|
* Verifies that the given string is a valid string representation of a UUID. More specifically, returns true if and
|
|
* only if the given string is not null and matches the regular expression:
|
|
* <p>
|
|
* <center><code>/^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/<p></code></center>
|
|
* which is the regex equivalent of the standard string representation of a UUID as described in
|
|
* {@link UUID#toString()}. This method is intended to be used as a check to prevent an
|
|
* {@link IllegalArgumentException} from occurring when calling {@link UUID#fromString(String)}.
|
|
*
|
|
* @param string The string to be checked
|
|
* @return Whether the given string is a valid string representation of a UUID
|
|
* @deprecated UUIDs can now be stored in NBT directly; use that in preference to storing them as strings.
|
|
*/
|
|
@Deprecated
|
|
public static boolean verifyUUIDString(String string){
|
|
return string != null
|
|
&& string.matches("/^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/");
|
|
}
|
|
|
|
/**
|
|
* Generic method that stores any Map to an NBTTagList, given two functions that convert the key and value types in
|
|
* that map to subclasses of NBTBase. For what it's worth, there is very little point in using this unless you can
|
|
* use something more concise than an anonymous class to do the conversion. A lambda expression, or better, a method
|
|
* reference, would fit nicely. For example, take ExtendedPlayer's use of this to store conjured item durations:
|
|
* <p>
|
|
* <code>properties.setTag("conjuredItems", WizardryUtilities.mapToNBT(this.conjuredItemDurations,
|
|
* item -> new NBTTagInt(Item.getIdFromItem((Item)item)), NBTTagInt::new));</code>
|
|
* <p>
|
|
* This is a lot nicer than simply iterating through the map, because for that you need to use the entry list, which
|
|
* introduces local variables that aren't really necessary. Notice that, since the values V in the map are simply
|
|
* Integer objects, a simple constructor reference to NBTTagInt::new can be used instead of a lambda expression (the
|
|
* Integer is auto-unboxed to int).
|
|
*
|
|
* @param <K> The type of key stored in the given Map.
|
|
* @param <V> The type of value stored in the given Map.
|
|
* @param <L> The subtype of NBTBase that the keys (of type K) will be converted to.
|
|
* @param <W> The subtype of NBTBase that the values (of type V) will be converted to.
|
|
* @param map The Map to be stored.
|
|
* @param keyFunction A Function that converts the keys in the map to NBT objects that can be stored.
|
|
* @param valueFunction A Function that converts the values in the map to NBT objects that can be stored.
|
|
* @param keyTagName The tag name to use for the key tags.
|
|
* @param valueTagName The tag name to use for the value tags.
|
|
* @return An NBTTagList that represents the given Map.
|
|
*/
|
|
public static <K, V, L extends NBTBase, W extends NBTBase> NBTTagList mapToNBT(Map<K, V> map,
|
|
Function<K, L> keyFunction, Function<V, W> valueFunction, String keyTagName, String valueTagName){
|
|
|
|
NBTTagList tagList = new NBTTagList();
|
|
|
|
for(Entry<K, V> entry : map.entrySet()){
|
|
NBTTagCompound mapping = new NBTTagCompound();
|
|
mapping.setTag(keyTagName, keyFunction.apply(entry.getKey()));
|
|
mapping.setTag(valueTagName, valueFunction.apply(entry.getValue()));
|
|
tagList.appendTag(mapping);
|
|
}
|
|
|
|
return tagList;
|
|
}
|
|
|
|
/**
|
|
* See {@link WizardryUtilities#mapToNBT(Map, Function, Function, String, String)}; this version is for when the
|
|
* names of the individual key/value tags are unimportant (they default to "key" and "value" respectively).
|
|
*/
|
|
public static <K, V, L extends NBTBase, W extends NBTBase> NBTTagList mapToNBT(Map<K, V> map,
|
|
Function<K, L> keyFunction, Function<V, W> valueFunction){
|
|
return mapToNBT(map, keyFunction, valueFunction, "key", "value");
|
|
}
|
|
|
|
/**
|
|
* Generic method that reads a Map from an NBTTagList, given two functions that convert the key and value tag types
|
|
* into the key and value types in the returned map. The given NBTTagList remains unchanged after calling this
|
|
* method.
|
|
*
|
|
* @param <K> The type of key stored in the returned Map.
|
|
* @param <V> The type of value stored in the returned Map.
|
|
* @param <L> The subtype of NBTBase that the keys are stored as.
|
|
* @param <W> The subtype of NBTBase that the values are stored as.
|
|
* @param tagList The NBTTagList to be converted. This <b>must</b> be a list of compound tags.
|
|
* @param keyFunction A Function that converts the generic NBTBase tags in the list to keys of type K for the map.
|
|
* @param valueFunction A Function that converts the generic NBTBase tags in the list to values of type V for the
|
|
* map.
|
|
* @param keyTagName The tag name used for the key tags.
|
|
* @param valueTagName The tag name used for the value tags.
|
|
* @return A Map containing the keys and values stored in the given NBTTagList. Can be empty, but not null.
|
|
* @throws ClassCastException If the tags are not of the expected type.
|
|
* @see WizardryUtilities#mapToNBT(Map, Function, Function, String, String)
|
|
*/
|
|
@SuppressWarnings("unchecked") // Intentional, because throwing an exception is appropriate here.
|
|
public static <K, V, L extends NBTBase, W extends NBTBase> Map<K, V> NBTToMap(NBTTagList tagList,
|
|
Function<L, K> keyFunction, Function<W, V> valueFunction, String keyTagName, String valueTagName){
|
|
|
|
Map<K, V> map = new HashMap<K, V>();
|
|
|
|
for(int i = 0; i < tagList.tagCount(); i++){
|
|
NBTTagCompound mapping = tagList.getCompoundTagAt(i);
|
|
NBTBase keyTag = mapping.getTag(keyTagName);
|
|
NBTBase valueTag = mapping.getTag(valueTagName);
|
|
K key = null;
|
|
try{
|
|
key = keyFunction.apply((L)keyTag);
|
|
}catch (ClassCastException e){
|
|
Wizardry.logger.error(
|
|
"Error when reading map from NBT: unexpected tag type " + NBTBase.NBT_TYPES[keyTag.getId()], e);
|
|
}
|
|
V value = null;
|
|
try{
|
|
value = valueFunction.apply((W)valueTag);
|
|
}catch (ClassCastException e){
|
|
Wizardry.logger.error(
|
|
"Error when reading map from NBT: unexpected tag type " + NBTBase.NBT_TYPES[valueTag.getId()],
|
|
e);
|
|
}
|
|
map.put(key, value);
|
|
}
|
|
|
|
return map;
|
|
}
|
|
|
|
/**
|
|
* See {@link WizardryUtilities#NBTToMap(NBTTagList, Function, Function, String, String)}; this version is for when
|
|
* the names of the individual key/value tags are unimportant (they default to "key" and "value" respectively).
|
|
*/
|
|
public static <K, V, L extends NBTBase, W extends NBTBase> Map<K, V> NBTToMap(NBTTagList tagList,
|
|
Function<L, K> keyFunction, Function<W, V> valueFunction){
|
|
return NBTToMap(tagList, keyFunction, valueFunction, "key", "value");
|
|
}
|
|
|
|
/**
|
|
* Generic method that stores any Collection to an NBTTagList, given a function that converts the elements in that
|
|
* collection to subclasses of NBTBase. For what it's worth, there is very little point in using this unless you can
|
|
* use something more concise than an anonymous class to do the conversion. A lambda expression, or better, a method
|
|
* reference, would fit nicely.
|
|
*
|
|
* @param <E> The type of element stored in the given Collection.
|
|
* @param <T> The NBT tag type that the elements will be converted to.
|
|
* @param list The Collection to be stored.
|
|
* @param function A Function that converts the elements in the collection to NBT objects that can be stored.
|
|
* @return An NBTTagList that represents the given Collection.
|
|
*/
|
|
public static <E, T extends NBTBase> NBTTagList listToNBT(Collection<E> list, Function<E, T> function){
|
|
|
|
NBTTagList tagList = new NBTTagList();
|
|
// If the collection is ordered, it will preserve the order, even though we don't know what type it is yet.
|
|
for(E element : list){
|
|
tagList.appendTag(function.apply(element));
|
|
}
|
|
|
|
return tagList;
|
|
}
|
|
|
|
/**
|
|
* Generic method that reads a Collection from an NBTTagList, given a function that converts the element tag types
|
|
* to the element types in the returned collection. The given NBTTagList remains unchanged after calling this
|
|
* method. Unless the target variable for this method is of type Collection<E>, you will need to create a new
|
|
* collection containing the elements in the returned collection via that collection's constructor (e.g. {@code new
|
|
* HashSet<E>(collection)}). <i>Although this method returns a Collection rather than any of its subtypes, it uses
|
|
* an ArrayList internally to guarantee the order of the elements in the returned collection is the same as the
|
|
* order in which they were stored. As such, you may safely cast to List should you wish.</i>
|
|
*
|
|
* @param <E> The type of element stored in the returned Collection.
|
|
* @param <T> The subtype of NBTBase that the elements are stored as.
|
|
* @param tagList The NBTTagList to be converted.
|
|
* @param function A Function that converts the generic NBTBase tags in the list to elements for the collection.
|
|
* Chances are you will need to cast the NBTBase tag to whichever NBT tag type you are expecting in order to
|
|
* access the appropriate getter method.
|
|
* @return A Collection containing the elements stored in the given NBTTagList. Can be empty, but not null.
|
|
* @throws ClassCastException If the tags are not of the expected type.
|
|
*/
|
|
@SuppressWarnings("unchecked") // Intentional, because throwing an exception is appropriate here.
|
|
public static <E, T extends NBTBase> Collection<E> NBTToList(NBTTagList tagList, Function<T, E> function){
|
|
// Uses an ArrayList to guarantee iteration order, and also to permit duplicate elements (which are
|
|
// perfectly reasonable in this context).
|
|
Collection<E> list = new ArrayList<E>();
|
|
// The original tag list should remain unchanged, hence the copy.
|
|
NBTTagList tagList2 = (NBTTagList)tagList.copy();
|
|
|
|
while(!tagList2.hasNoTags()){
|
|
NBTBase tag = tagList2.removeTag(0);
|
|
// Why oh why is NBTTagList not parametrised? It even has a tagType field, so it must know!
|
|
try{
|
|
list.add(function.apply((T)tag));
|
|
}catch (ClassCastException e){
|
|
Wizardry.logger.error(
|
|
"Error when reading list from NBT: unexpected tag type " + NBTBase.NBT_TYPES[tag.getId()], e);
|
|
}
|
|
}
|
|
|
|
return list;
|
|
|
|
}
|
|
|
|
/** Removes the UUID with the given key from the given NBT tag, if any. Why this doesn't exist in vanilla I have
|
|
* no idea. */
|
|
public static void removeUniqueId(NBTTagCompound tag, String key){
|
|
tag.removeTag(key + "Most");
|
|
tag.removeTag(key + "Least");
|
|
}
|
|
|
|
// TODO: Backport: It has recently become apparent that storing UUIDs as strings is not good practice, so backport
|
|
// these two
|
|
// methods to 1.7.10 and replace tag.setUniqueId and tag.getUniqueId with their respective contents from 1.10.2.
|
|
|
|
/**
|
|
* Returns an NBTTagCompound which contains only the given UUID, stored using
|
|
* {@link NBTTagCompound#setUniqueId(String, UUID)}. Allows for neater storage to NBTTagLists.
|
|
*/
|
|
public static NBTTagCompound UUIDtoTagCompound(UUID id){
|
|
NBTTagCompound tag = new NBTTagCompound();
|
|
tag.setUniqueId("uuid", id);
|
|
return tag;
|
|
}
|
|
|
|
/**
|
|
* Wrapper for {@link NBTTagCompound#getUniqueId(String)} which converts an NBTTagCompound directly to a UUID.
|
|
* Intended to be used as the inverse of {@link WizardryUtilities#UUIDtoTagCompound(UUID)}.
|
|
*/
|
|
public static UUID tagCompoundToUUID(NBTTagCompound tag){
|
|
return tag.getUniqueId("uuid");
|
|
}
|
|
|
|
// SECTION Ally Designation System
|
|
// ===============================================================================================================
|
|
|
|
/**
|
|
* Returns whether the given target can be attacked by the given attacker. It is up to the caller of this method to
|
|
* work out what this means; it doesn't necessarily mean the target is completely immune (for example, revenge
|
|
* targeting might reasonably bypass this). This method is intended for use where the damage is indirect and/or
|
|
* unavoidable; direct attacks should not check this method. Currently this means the following situations check
|
|
* this method:
|
|
* <p>
|
|
* - AI targeting for summoned creatures<br>
|
|
* - AI targeting for mind-controlled creatures<br>
|
|
* - Constructs with an area of effect<br>
|
|
* - Instantaneous spells with an area of effect around the caster (e.g. forest's curse, thunderstorm)<br>
|
|
* - Any lightning chaining effects<br>
|
|
* - Any projectiles which seek targets
|
|
* <p>
|
|
* Also note that the friendly fire option is dealt with in the event handler. This method acts as a sort of wrapper
|
|
* for all the ADS stuff in {@link WizardData}; more details about the ally designation system can be found there.
|
|
*
|
|
* @param attacker The entity that cast the spell originally
|
|
* @param target The entity being attacked
|
|
*
|
|
* @return False under any of the following circumstances, true otherwise:
|
|
* <p>
|
|
* - Either entity is null
|
|
* <p>
|
|
* - The target is the attacker (this isn't as stupid as it sounds - anything with an AoE might cause this
|
|
* to be true, as can summoned creatures)
|
|
* <p>
|
|
* - The target and the attacker are both players and the target is an ally of the attacker (but the
|
|
* attacker need not be an ally of the target)
|
|
* <p>
|
|
* - The target is a creature that was summoned/controlled by the attacker or by an ally of the attacker.
|
|
*/
|
|
public static boolean isValidTarget(Entity attacker, Entity target){
|
|
|
|
if(attacker == null || target == null) return false;
|
|
|
|
// Tests whether the target is the attacker
|
|
if(target == attacker) return false;
|
|
|
|
// Tests whether the target is a creature that was summoned by the attacker
|
|
if(target instanceof ISummonedCreature && ((ISummonedCreature)target).getCaster() == attacker){
|
|
return false;
|
|
}
|
|
|
|
// Tests whether the target is a creature that was mind controlled by the attacker
|
|
if(target instanceof EntityLiving && ((EntityLivingBase)target).isPotionActive(WizardryPotions.mind_control)){
|
|
|
|
NBTTagCompound entityNBT = target.getEntityData();
|
|
|
|
if(entityNBT != null && entityNBT.hasUniqueId(MindControl.NBT_KEY)){
|
|
if(attacker == WizardryUtilities.getEntityByUUID(target.world,
|
|
entityNBT.getUniqueId(MindControl.NBT_KEY))){
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Ally section
|
|
if(attacker instanceof EntityPlayer && WizardData.get((EntityPlayer)attacker) != null){
|
|
|
|
if(target instanceof EntityPlayer){
|
|
// Tests whether the target is an ally of the attacker
|
|
if(WizardData.get((EntityPlayer)attacker).isPlayerAlly((EntityPlayer)target)){
|
|
return false;
|
|
}
|
|
|
|
}else if(target instanceof ISummonedCreature){
|
|
// Tests whether the target is a creature that was summoned by an ally of the attacker
|
|
if(((ISummonedCreature)target).getCaster() instanceof EntityPlayer && WizardData.get((EntityPlayer)attacker)
|
|
.isPlayerAlly((EntityPlayer)((ISummonedCreature)target).getCaster())){
|
|
return false;
|
|
}
|
|
|
|
}else if(target instanceof EntityLiving && ((EntityLivingBase)target).isPotionActive(WizardryPotions.mind_control)){
|
|
// Tests whether the target is a creature that was mind controlled by an ally of the attacker
|
|
NBTTagCompound entityNBT = target.getEntityData();
|
|
|
|
if(entityNBT != null && entityNBT.hasKey(MindControl.NBT_KEY)){
|
|
|
|
Entity controller = WizardryUtilities.getEntityByUUID(target.world, entityNBT.getUniqueId(MindControl.NBT_KEY));
|
|
|
|
if(controller instanceof EntityPlayer && WizardData.get((EntityPlayer)attacker).isPlayerAlly((EntityPlayer)controller)){
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/** Helper method for testing if the second player is an ally of the first player. Makes the code neater. */
|
|
public static boolean isPlayerAlly(EntityPlayer allyOf, EntityPlayer possibleAlly){
|
|
|
|
WizardData properties = WizardData.get(allyOf);
|
|
|
|
if(properties != null && properties.isPlayerAlly(possibleAlly)) return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
// SECTION Loot and Weighting
|
|
// ===============================================================================================================
|
|
|
|
/**
|
|
* See {@link WizardryUtilities#getStandardWeightedRandomSpellId(Random, boolean)}. nonContinuous defaults to false.
|
|
*/
|
|
public static int getStandardWeightedRandomSpellId(Random random){
|
|
return getStandardWeightedRandomSpellId(random, false);
|
|
}
|
|
|
|
/**
|
|
* Helper method which gets a spell id according to the standard weighting. The tier is a weighted random value; the
|
|
* actual spell within that tier is completely random. Will not return the id of a spell which has been disabled in
|
|
* the config. This is for simple stuff like chests and drops; more complex generators like wizard trades don't use
|
|
* this method.
|
|
* <p>
|
|
* For reference, the standard weighting is as follows: Basic: 60%, Apprentice: 25%, Advanced: 10%, Master: 5%
|
|
*
|
|
* @param random An instance of {@link Random} to use for RNG
|
|
* @param nonContinuous Whether the spells must be non-continuous (used for scrolls)
|
|
* @return A random spell id number
|
|
*/
|
|
public static int getStandardWeightedRandomSpellId(Random random, boolean nonContinuous){
|
|
|
|
Tier tier = Tier.getWeightedRandomTier(random);
|
|
|
|
List<Spell> spells = Spell.getSpells(new Spell.TierElementFilter(tier, null));
|
|
if(nonContinuous) spells.retainAll(Spell.getSpells(Spell.nonContinuousSpells));
|
|
|
|
// Ensures the tier chosen actually has spells in it, and if not uses BASIC instead.
|
|
if(spells.isEmpty()){
|
|
spells = Spell.getSpells(new Spell.TierElementFilter(Tier.BASIC, null));
|
|
if(nonContinuous) spells.retainAll(Spell.getSpells(Spell.nonContinuousSpells));
|
|
}
|
|
|
|
// Finds a random spell in the list and returns its id.
|
|
return spells.get(random.nextInt(spells.size())).id();
|
|
}
|
|
|
|
// TODO: These methods need a rethink. What are we trying to achieve with them? Should each use case look in the
|
|
// same pool of items? For example, might we (or someone else) want to have a wand which can generate in chests, but
|
|
// is not used by wizards?
|
|
|
|
// I reckon this should be strictly for cases where we only ever want the standard wand set, i.e. wizards' gear,
|
|
// etc.
|
|
|
|
/**
|
|
* Helper method to return the appropriate armour item based on element and slot. As of Wizardry 2.1, this uses the
|
|
* immutable map stored in {@link WizardryItems#ARMOUR_MAP}. Currently used to iterate through armour for
|
|
* registering charging recipes and for chest generation.
|
|
*
|
|
* @param element The EnumElement of the armour required. Null will be converted to {@link Element#MAGIC}.
|
|
* @param slot EntityEquipmentSlot of the armour piece required
|
|
* @return The armour item which corresponds to the given element and slot, or null if no such item exists.
|
|
* @throws IllegalArgumentException if the given slot is not an armour slot.
|
|
*/
|
|
public static Item getArmour(Element element, EntityEquipmentSlot slot){
|
|
if(slot == null || slot.getSlotType() != Type.ARMOR)
|
|
throw new IllegalArgumentException("Must be a valid armour slot");
|
|
if(element == null) element = Element.MAGIC;
|
|
return WizardryItems.ARMOUR_MAP.get(ImmutablePair.of(slot, element));
|
|
}
|
|
|
|
/**
|
|
* Helper method to return the appropriate wand based on tier and element.As of Wizardry 2.1, this uses the
|
|
* immutable map stored in {@link WizardryItems#WAND_MAP}. Currently used in the packet handler for upgrading wands,
|
|
* for chest generation and to iterate through wands for charging recipes.
|
|
*
|
|
* @param tier The tier of the wand required.
|
|
* @param element The element of the wand required. Null will be converted to {@link Element#MAGIC}.
|
|
* @return The wand item which corresponds to the given element and slot, or null if no such item exists.
|
|
* @throws NullPointerException if the given tier is null.
|
|
*/
|
|
public static Item getWand(Tier tier, Element element){
|
|
if(tier == null) throw new NullPointerException("The given tier cannot be null.");
|
|
if(element == null) element = Element.MAGIC;
|
|
return WizardryItems.WAND_MAP.get(ImmutablePair.of(tier, element));
|
|
}
|
|
}
|