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Add Destroy Speed API

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Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
This commit is contained in:
Ineusia
2020-10-26 11:48:06 -05:00
parent 93f14c745c
commit c068010b34
3 changed files with 196 additions and 0 deletions
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31
paper-server/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java
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@@ -730,4 +730,35 @@ public class CraftBlockData implements BlockData {
public BlockState createBlockState() {
return CraftBlockStates.getBlockState(this.state, null);
}
// Paper start - destroy speed API
@Override
public float getDestroySpeed(final ItemStack itemStack, final boolean considerEnchants) {
net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.unwrap(itemStack);
float speed = nmsItemStack.getDestroySpeed(this.state);
if (speed > 1.0F && considerEnchants) {
final net.minecraft.core.Holder<net.minecraft.world.entity.ai.attributes.Attribute> attribute = net.minecraft.world.entity.ai.attributes.Attributes.MINING_EFFICIENCY;
// Logic sourced from AttributeInstance#calculateValue
final double initialBaseValue = attribute.value().getDefaultValue();
final org.apache.commons.lang3.mutable.MutableDouble modifiedBaseValue = new org.apache.commons.lang3.mutable.MutableDouble(initialBaseValue);
final org.apache.commons.lang3.mutable.MutableDouble baseValMul = new org.apache.commons.lang3.mutable.MutableDouble(1);
final org.apache.commons.lang3.mutable.MutableDouble totalValMul = new org.apache.commons.lang3.mutable.MutableDouble(1);
net.minecraft.world.item.enchantment.EnchantmentHelper.forEachModifier(
nmsItemStack, net.minecraft.world.entity.EquipmentSlot.MAINHAND, (attributeHolder, attributeModifier) -> {
switch (attributeModifier.operation()) {
case ADD_VALUE -> modifiedBaseValue.add(attributeModifier.amount());
case ADD_MULTIPLIED_BASE -> baseValMul.add(attributeModifier.amount());
case ADD_MULTIPLIED_TOTAL -> totalValMul.setValue(totalValMul.doubleValue() * (1D + attributeModifier.amount()));
}
}
);
final double actualModifier = modifiedBaseValue.doubleValue() * baseValMul.doubleValue() * totalValMul.doubleValue();
speed += (float) attribute.value().sanitizeValue(actualModifier);
}
return speed;
}
// Paper end - destroy speed API
}