mirror of
https://github.com/Samsuik/Sakura.git
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223 lines
11 KiB
Diff
223 lines
11 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Samsuik <kfian294ma4@gmail.com>
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Date: Fri, 23 Feb 2024 01:48:08 +0000
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Subject: [PATCH] Legacy player combat mechanics
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diff --git a/src/main/java/me/samsuik/sakura/utils/CombatUtil.java b/src/main/java/me/samsuik/sakura/utils/CombatUtil.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..6cda6ba8e29587fd04b727ef188484760c4ccdbd
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--- /dev/null
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+++ b/src/main/java/me/samsuik/sakura/utils/CombatUtil.java
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@@ -0,0 +1,37 @@
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+package me.samsuik.sakura.utils;
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+
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+import it.unimi.dsi.fastutil.objects.*;
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+import net.minecraft.core.registries.BuiltInRegistries;
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+import net.minecraft.world.item.*;
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+
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+public final class CombatUtil {
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+ private static final Reference2FloatMap<Item> LEGACY_ITEM_DAMAGE_MAP = new Reference2FloatOpenHashMap<>();
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+
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+ public static float getLegacyItemDamage(Item item) {
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+ return LEGACY_ITEM_DAMAGE_MAP.getFloat(item);
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+ }
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+
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+ private static float baseToolDamage(TieredItem item) {
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+ if (item instanceof SwordItem) return 4.0f;
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+ else if (item instanceof AxeItem) return 3.0f;
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+ else if (item instanceof PickaxeItem) return 2.0f;
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+ else if (item instanceof ShovelItem) return 1.0f;
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+ else return 0.0f;
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+ }
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+
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+ static {
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+ LEGACY_ITEM_DAMAGE_MAP.defaultReturnValue(Float.MIN_VALUE);
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+
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+ for (Item item : BuiltInRegistries.ITEM) {
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+ if (item instanceof TieredItem tieredItem) {
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+ LEGACY_ITEM_DAMAGE_MAP.put(item, baseToolDamage(tieredItem) + tieredItem.getTier().getAttackDamageBonus());
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+ }
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+
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+ if (item instanceof HoeItem) {
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+ LEGACY_ITEM_DAMAGE_MAP.put(item, 0.0f);
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+ }
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+ }
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+
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+ //LEGACY_ITEM_DAMAGE_MAP.put(Items.TRIDENT, LEGACY_ITEM_DAMAGE_MAP.getFloat(Items.DIAMOND_SWORD));
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index 9fa79ba7f50fa20f3794fd955db1a4cc0fa8ee02..532fef2f50a0904a7c64bac30aa61dc71fcfc7dd 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -276,6 +276,64 @@ public abstract class LivingEntity extends Entity implements Attackable {
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++this.noActionTime; // Above all the floats
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}
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// Spigot end
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+ // Sakura start - legacy combat mechanics
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+ private static final UUID LEGACY_COMBAT_MECHANICS_UUID = UUID.fromString("84ef96f8-9f48-4ae4-a26c-e04551324816");
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+ private static final AttributeModifier LEGACY_ATTACK_SPEED_MODIFIER = new AttributeModifier(LEGACY_COMBAT_MECHANICS_UUID, "Legacy attack speed", 100.0, AttributeModifier.Operation.ADDITION);
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+
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+ private void updateAttackSpeedModifier() {
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+ AttributeInstance attackSpeed = this.getAttribute(Attributes.ATTACK_SPEED);
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+ if (attackSpeed != null) {
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+ attackSpeed.removeModifier(LEGACY_ATTACK_SPEED_MODIFIER);
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+
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+ if (this.level().sakuraConfig().players.combat.legacyCombatMechanics) {
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+ attackSpeed.addTransientModifier(LEGACY_ATTACK_SPEED_MODIFIER);
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+ }
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+ }
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+ }
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+
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+ protected final float getAttackDamageFromAttributes() {
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+ AttributeInstance attackDamage = this.getAttribute(Attributes.ATTACK_DAMAGE);
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+ AttributeModifier legacyModifier = null;
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+
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+ if (this.level().sakuraConfig().players.combat.legacyCombatMechanics) {
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+ legacyModifier = this.getLegacyAttackModifier();
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+ }
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+
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+ final double damage;
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+ if (attackDamage == null || legacyModifier == null) {
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+ damage = this.getAttributeValue(Attributes.ATTACK_DAMAGE);
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+ } else {
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+ attackDamage.addTransientModifier(legacyModifier);
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+ damage = this.getAttributeValue(Attributes.ATTACK_DAMAGE);
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+ attackDamage.removeModifier(legacyModifier);
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+ }
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+
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+ return (float) damage;
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+ }
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+
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+ private @Nullable AttributeModifier getLegacyAttackModifier() {
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+ ItemStack itemstack = this.getLastHandItem(EquipmentSlot.MAINHAND);
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+ qt: if (!itemstack.hasTag() || !itemstack.getTag().contains("AttributeModifiers", 9)) {
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+ Collection<AttributeModifier> defaultModifiers = itemstack.getAttributeModifiers(EquipmentSlot.MAINHAND).get(Attributes.ATTACK_DAMAGE);
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+ double baseAttack = 0.0f;
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+ for (AttributeModifier mod : defaultModifiers) {
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+ if (mod.getOperation() != AttributeModifier.Operation.ADDITION) {
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+ break qt;
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+ }
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+
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+ baseAttack += mod.getAmount();
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+ }
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+
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+ float legacyAttack = me.samsuik.sakura.utils.CombatUtil.getLegacyItemDamage(itemstack.getItem());
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+ double attackDifference = (double) legacyAttack - baseAttack;
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+
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+ if (baseAttack != 0.0f && legacyAttack != Float.MIN_VALUE) {
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+ return new AttributeModifier(LEGACY_COMBAT_MECHANICS_UUID, "Legacy attack damage", attackDifference, AttributeModifier.Operation.ADDITION);
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+ }
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+ }
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+ return null;
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+ }
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+ // Sakura end - legacy combat mechanics
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protected LivingEntity(EntityType<? extends LivingEntity> type, Level world) {
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super(type, world);
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@@ -2145,7 +2203,16 @@ public abstract class LivingEntity extends Entity implements Attackable {
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protected float getDamageAfterArmorAbsorb(DamageSource source, float amount) {
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if (!source.is(DamageTypeTags.BYPASSES_ARMOR)) {
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// this.hurtArmor(damagesource, f); // CraftBukkit - Moved into actuallyHurt(DamageSource, float)
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+ // Sakura start - legacy combat mechanics
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+ if (!this.level().sakuraConfig().players.combat.legacyCombatMechanics) {
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amount = CombatRules.getDamageAfterAbsorb(amount, (float) this.getArmorValue(), (float) this.getAttributeValue(Attributes.ARMOR_TOUGHNESS));
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+ } else {
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+ // See: applyArmorModifier(DamageSource, float)
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+ int i = 25 - this.getArmorValue();
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+ float f1 = amount * (float) i;
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+ amount = f1 / 25.0F;
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+ }
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+ // Sakura end - legacy combat mechanics
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}
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return amount;
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@@ -3201,6 +3268,12 @@ public abstract class LivingEntity extends Entity implements Attackable {
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if (!itemstack1.isEmpty()) {
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this.getAttributes().addTransientAttributeModifiers(itemstack1.getAttributeModifiers(enumitemslot));
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}
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+
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+ // Sakura start - legacy combat mechanics
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+ if (this instanceof ServerPlayer && enumitemslot == EquipmentSlot.MAINHAND) {
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+ this.updateAttackSpeedModifier();
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+ }
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+ // Sakura end - legacy combat mechanics
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}
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}
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@@ -3354,7 +3427,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
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this.lastArmorItemStacks.set(slot.getIndex(), armor);
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}
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- private ItemStack getLastHandItem(EquipmentSlot slot) {
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+ protected ItemStack getLastHandItem(EquipmentSlot slot) { // Sakura - legacy combat mechanics
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return (ItemStack) this.lastHandItemStacks.get(slot.getIndex());
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}
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diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
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index 8493566fec47ecef3fd7423b993d9e6e378df7e5..7f2b778706bdc1d24b97c53ac9278439a4a03d36 100644
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--- a/src/main/java/net/minecraft/world/entity/player/Player.java
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+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
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@@ -1255,7 +1255,7 @@ public abstract class Player extends LivingEntity {
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if (playerAttackEntityEvent.callEvent() && willAttack) { // Logic moved to willAttack local variable.
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{
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// Paper end - PlayerAttackEntityEvent
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- float f = (float) this.getAttributeValue(Attributes.ATTACK_DAMAGE);
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+ float f = this.getAttackDamageFromAttributes(); // Sakura - legacy combat mechanics
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float f1;
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if (target instanceof LivingEntity) {
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@@ -1266,8 +1266,14 @@ public abstract class Player extends LivingEntity {
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float f2 = this.getAttackStrengthScale(0.5F);
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+ // Sakura start - legacy combat mechanics
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+ if (!this.level().sakuraConfig().players.combat.legacyCombatMechanics) {
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f *= 0.2F + f2 * f2 * 0.8F;
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f1 *= f2;
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+ } else if (f1 != 0.0) {
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+ f1 += this.calculateLegacySharpnessDamage();
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+ }
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+ // Sakura end - legacy combat mechanics
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// this.resetAttackCooldown(); // CraftBukkit - Moved to EntityLiving to reset the cooldown after the damage is dealt
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if (f > 0.0F || f1 > 0.0F) {
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boolean flag = f2 > 0.9F;
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@@ -1284,7 +1290,7 @@ public abstract class Player extends LivingEntity {
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boolean flag2 = flag && this.fallDistance > 0.0F && !this.onGround() && !this.onClimbable() && !this.isInWater() && !this.hasEffect(MobEffects.BLINDNESS) && !this.isPassenger() && target instanceof LivingEntity; // Paper - Add critical damage API; diff on change
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flag2 = flag2 && !this.level().paperConfig().entities.behavior.disablePlayerCrits; // Paper - Toggleable player crits
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- flag2 = flag2 && !this.isSprinting();
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+ flag2 = flag2 && (this.level().sakuraConfig().players.combat.legacyCombatMechanics || !this.isSprinting()); // Sakura - legacy combat mechanics
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if (flag2) {
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f *= 1.5F;
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}
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@@ -1476,6 +1482,27 @@ public abstract class Player extends LivingEntity {
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}
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}
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+ // Sakura start - legacy combat mechanics
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+ private float calculateLegacySharpnessDamage() {
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+ ItemStack itemstack = this.getMainHandItem();
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+ Map<net.minecraft.world.item.enchantment.Enchantment, Integer> enchantments = EnchantmentHelper.getEnchantments(itemstack);
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+
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+ float legacy = 0.0f;
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+ float modern = 0.0f;
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+
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+ for (Map.Entry<net.minecraft.world.item.enchantment.Enchantment, Integer> entry : enchantments.entrySet()) {
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+ if (entry.getKey() instanceof net.minecraft.world.item.enchantment.DamageEnchantment dmgEnchant && dmgEnchant.type == 0) {
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+ // sharpness:
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+ int level = entry.getValue();
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+ legacy += (float) level * 1.25F;
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+ modern += dmgEnchant.getDamageBonus(level, MobType.UNDEFINED);
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+ }
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+ }
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+
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+ return legacy - modern;
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+ }
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+ // Sakura end - legacy combat mechanics
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+
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@Override
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protected void doAutoAttackOnTouch(LivingEntity target) {
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this.attack(target);
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