/
TweaksEvents.java
327 lines (292 loc) · 9.23 KB
/
TweaksEvents.java
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package knightminer.inspirations.tweaks;
import java.util.Iterator;
import java.util.List;
import knightminer.inspirations.common.Config;
import knightminer.inspirations.shared.InspirationsShared;
import net.minecraft.block.Block;
import net.minecraft.block.BlockBush;
import net.minecraft.block.BlockVine;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.passive.EntityPig;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.init.SoundEvents;
import net.minecraft.item.Item;
import net.minecraft.item.ItemShears;
import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.SoundCategory;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Vec3d;
import net.minecraft.world.World;
import net.minecraftforge.event.entity.living.LivingFallEvent;
import net.minecraftforge.event.entity.player.BonemealEvent;
import net.minecraftforge.event.entity.player.PlayerInteractEvent.EntityInteract;
import net.minecraftforge.event.world.BlockEvent.BreakEvent;
import net.minecraftforge.event.world.BlockEvent.HarvestDropsEvent;
import net.minecraftforge.fml.common.eventhandler.Event.Result;
import net.minecraftforge.fml.common.eventhandler.EventPriority;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.items.ItemHandlerHelper;
public class TweaksEvents {
@SubscribeEvent
public static void unsaddlePig(EntityInteract event) {
if(!Config.enablePigDesaddle) {
return;
}
EntityPlayer player = event.getEntityPlayer();
ItemStack stack = player.getHeldItem(event.getHand());
// must be sneaking and holding nothing
if(player.isSneaking() && stack.isEmpty()) {
Entity target = event.getTarget();
if(target instanceof EntityPig) {
EntityPig pig = (EntityPig) target;
if(pig.getSaddled()) {
pig.setSaddled(false);
pig.world.playSound(player, pig.posX, pig.posY, pig.posZ, SoundEvents.ENTITY_PIG_SADDLE, SoundCategory.NEUTRAL, 0.5F, 1.0F);
ItemHandlerHelper.giveItemToPlayer(player, new ItemStack(Items.SADDLE), player.inventory.currentItem);
event.setCanceled(true);
}
}
}
}
@SubscribeEvent
public static void extraBonemeal(BonemealEvent event) {
if(!Config.enableExtraBonemeal) {
return;
}
// running client side acts weird
World world = event.getWorld();
if(world.isRemote) {
return;
}
BlockPos pos = event.getPos();
Block block = world.getBlockState(pos).getBlock();
boolean isMycelium = block == Blocks.MYCELIUM;
// block must be mycelium for mushrooms or sand for dead bushes
if(!isMycelium && block != Blocks.SAND) {
return;
}
// this is mostly copied from grass block code, so its a bit weird
BlockPos up = pos.up();
BlockBush bush = Blocks.DEADBUSH;
IBlockState state = bush.getDefaultState();
// 128 chances, this affects how far blocks are spread
for (int i = 0; i < 128; ++i) {
BlockPos next = up;
int j = 0;
while (true) {
// the longer we go, the closer to old blocks we place the block
if (j >= i / 16) {
if (world.isAirBlock(next)) {
if (world.rand.nextInt(128) == 0) {
// mycelium randomly picks between red and brown
if(isMycelium) {
bush = world.rand.nextInt(2) == 0 ? Blocks.RED_MUSHROOM : Blocks.BROWN_MUSHROOM;
state = bush.getDefaultState();
}
// if it can be planted here, plant it
if(bush.canBlockStay(world, next, state)) {
world.setBlockState(next, state);
}
}
}
break;
}
// randomly offset the position
next = next.add(world.rand.nextInt(3) - 1, (world.rand.nextInt(3) - 1) * world.rand.nextInt(3) / 2, world.rand.nextInt(3) - 1);
// if the new position is invalid, this cycle is done
if (world.getBlockState(next.down()).getBlock() != block|| world.getBlockState(next).isNormalCube()) {
break;
}
++j;
}
}
event.setResult(Result.ALLOW);
}
@SubscribeEvent
public static void dropHeartroot(HarvestDropsEvent event) {
if(!Config.enableHeartbeet || event.getState().getBlock() != Blocks.BEETROOTS) {
return;
}
// we get a base of two chances, and each fortune level adds one more
int rolls = event.getFortuneLevel() + 2;
// up to fortune 4 we will keep, any higher just ignore
if(rolls > 6) {
rolls = 6;
}
List<ItemStack> drops = event.getDrops();
// find the first beetroot from the drops
iterator:
for(ItemStack stack : drops) {
// as soon as we find one, chance to replace it
if(stack.getItem() == Items.BEETROOT) {
// for each roll, try to get the drop once
for(int i = 0; i < rolls; i++) {
if(event.getWorld().rand.nextInt(100) == 0) {
stack.shrink(1);
if(stack.isEmpty()) {
drops.remove(stack);
}
drops.add(InspirationsShared.heartbeet.copy());
// cap at one heartroot in case we get extras, plus prevents concurrent modification
break iterator;
}
}
}
}
}
@SubscribeEvent(priority = EventPriority.LOW)
public static void vineBreakEvent(BreakEvent event) {
if(!Config.harvestHangingVines) {
return;
}
// stop if on client or already canceled
if(event.isCanceled()) {
return;
}
World world = event.getWorld();
if(world.isRemote) {
return;
}
// check conditions: must be shearing vines and not creative
EntityPlayer player = event.getPlayer();
if(player.capabilities.isCreativeMode) {
return;
}
Block block = event.getState().getBlock();
if(!(block instanceof BlockVine)) {
return;
}
ItemStack shears = player.getHeldItemMainhand();
Item item = shears.getItem();
if(!(item instanceof ItemShears || item.getToolClasses(shears).contains("shears"))) {
return;
}
BlockPos pos = event.getPos().down();
BlockVine vine = (BlockVine) block;
IBlockState state = world.getBlockState(pos);
// iterate down until we find either a non-vine or the vine can stay
int count = 0;
while(state.getBlock() == block && vine.isShearable(shears, world, pos) && !vineCanStay(vine, world, state, pos)) {
count++;
for(ItemStack stack : vine.onSheared(shears, world, pos, 0)) {
Block.spawnAsEntity(world, pos, stack);
}
pos = pos.down();
state = world.getBlockState(pos);
}
// break all the vines we dropped as items,
// mainly for safety even though vines should break it themselves
for(int i = 0; i < count; i++) {
pos = pos.up();
world.setBlockToAir(pos);
}
}
private static boolean vineCanStay(BlockVine vine, World world, IBlockState state, BlockPos pos) {
// check if any of the four sides allows the vine to stay
for (EnumFacing side : EnumFacing.Plane.HORIZONTAL) {
if (state.getValue(BlockVine.getPropertyFor(side)) && vine.canAttachTo(world, pos, side.getOpposite())) {
return true;
}
}
return false;
}
@SubscribeEvent
public static void dropMelon(HarvestDropsEvent event) {
if(!Config.shearsReclaimMelons || event.getState().getBlock() != Blocks.MELON_BLOCK) {
return;
}
EntityPlayer player = event.getHarvester();
if(player == null || player.capabilities.isCreativeMode) {
return;
}
ItemStack shears = player.getHeldItemMainhand();
Item item = shears.getItem();
if(!(item instanceof ItemShears || item.getToolClasses(shears).contains("shears"))) {
return;
}
// ensure we have 9 melons drop
List<ItemStack> drops = event.getDrops();
Iterator<ItemStack> iterator = drops.iterator();
boolean foundMelon = false;
while(iterator.hasNext()) {
ItemStack stack = iterator.next();
if(stack.getItem() == Items.MELON) {
if(!foundMelon) {
stack.setCount(9);
foundMelon = true;
} else {
iterator.remove();
}
}
}
}
@SubscribeEvent(priority = EventPriority.LOW)
public static void onFall(LivingFallEvent event) {
if(!Config.lilypadBreakFall) {
return;
}
// no fall damage
if(event.getDistance() < 4) {
return;
}
// ensure client world
EntityLivingBase entity = event.getEntityLiving();
World world = entity.getEntityWorld();
if(world.isRemote) {
return;
}
// actually hit the lily pad
Vec3d vec = entity.getPositionVector();
if(vec.y % 1 > 0.09375) {
return;
}
// build a list of lily pads we hit
BlockPos blockPos = entity.getPosition();
BlockPos[] posList = new BlockPos[4];
int i = 0;
posList[i++] = blockPos;
double x = vec.x % 1;
if(x < 0) {
x += 1;
}
double z = vec.z % 1;
if(z < 0) {
z += 1;
}
// about 0.3 out of the block is into another block
if(x > 0.7) {
posList[i++] = blockPos.east();
} else if(x < 0.3) {
posList[i++] = blockPos.west();
}
if(z > 0.7) {
posList[i++] = blockPos.south();
// make sure to get the corners
if(i == 3) {
posList[i++] = posList[1].south();
}
} else if(z < 0.3) {
posList[i++] = blockPos.north();
if(i == 3) {
posList[i++] = posList[1].north();
}
}
// loop through the position list and find any lily pads
boolean safe = false;
for(BlockPos pos : posList) {
if(pos != null && world.getBlockState(pos).getBlock() == Blocks.WATERLILY) {
world.destroyBlock(pos, true);
safe = true;
}
}
// if we got one, this fall is safe
if(safe) {
event.setDistance(0);
}
}
}