first commit

Minecraft.World/ProtectionEnchantment.cpp

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+#include "stdafx.h"
+#include "net.minecraft.world.damagesource.h"
+#include "net.minecraft.world.item.enchantment.h"
+#include "net.minecraft.world.entity.h"
+#include "ProtectionEnchantment.h"
+
+const int ProtectionEnchantment::names[] = {IDS_ENCHANTMENT_PROTECT_ALL, IDS_ENCHANTMENT_PROTECT_FIRE, IDS_ENCHANTMENT_PROTECT_FALL, IDS_ENCHANTMENT_PROTECT_EXPLOSION, IDS_ENCHANTMENT_PROTECT_PROJECTILE};
+const int ProtectionEnchantment::minCost[] = {1, 10, 5, 5, 3};
+const int ProtectionEnchantment::levelCost[] = {11, 8, 6, 8, 6};
+const int ProtectionEnchantment::levelCostSpan[] = {20, 12, 10, 12, 15};
+
+ProtectionEnchantment::ProtectionEnchantment(int id, int frequency, int type) : Enchantment(id, frequency, EnchantmentCategory::armor), type(type)
+{
+	if (type == FALL)
+	{
+		category = EnchantmentCategory::armor_feet;
+	}
+}
+
+int ProtectionEnchantment::getMinCost(int level)
+{
+	return minCost[type] + (level - 1) * levelCost[type];
+}
+
+int ProtectionEnchantment::getMaxCost(int level)
+{
+	return getMinCost(level) + levelCostSpan[type];
+}
+
+int ProtectionEnchantment::getMaxLevel()
+{
+	return 4;
+}
+
+int ProtectionEnchantment::getDamageProtection(int level, DamageSource *source)
+{
+	if (source->isBypassInvul()) return 0;
+
+	float protect = (6 + level * level) / 3.0f;
+
+	if (type == ALL) return Mth::floor(protect * 0.75f);
+	if (type == FIRE && source->isFire()) return Mth::floor(protect * 1.25f);
+	if (type == FALL && source == DamageSource::fall) return Mth::floor(protect * 2.5f);
+	if (type == EXPLOSION && source == DamageSource::explosion) return Mth::floor(protect * 1.5f);
+	if (type == PROJECTILE && source->isProjectile()) return Mth::floor(protect * 1.5f);
+	return 0;
+}
+
+int ProtectionEnchantment::getDescriptionId()
+{
+	return names[type];
+}
+
+bool ProtectionEnchantment::isCompatibleWith(Enchantment *other) const
+{		
+	ProtectionEnchantment *pe = dynamic_cast<ProtectionEnchantment *>( other );
+	if (pe != NULL)
+	{
+		if (pe->type == this->type)
+		{
+			return false;
+		}
+		if (this->type == FALL || pe->type == FALL)
+		{
+			return true;
+		}
+		return false;
+	}
+	return Enchantment::isCompatibleWith(other);
+}
+
+int ProtectionEnchantment::getFireAfterDampener(shared_ptr<Entity> entity, int time)
+{
+	int level = EnchantmentHelper::getEnchantmentLevel(Enchantment::fireProtection->id, entity->getEquipmentSlots());
+
+	if (level > 0)
+	{
+		time -= Mth::floor(time * (level * 0.15f));
+	}
+
+	return time;
+}
+
+double ProtectionEnchantment::getExplosionKnockbackAfterDampener(shared_ptr<Entity> entity, double power)
+{
+	int level = EnchantmentHelper::getEnchantmentLevel(Enchantment::explosionProtection->id, entity->getEquipmentSlots());
+
+	if (level > 0)
+	{
+		power -= Mth::floor(power * (level * 0.15f));
+	}
+
+	return power;
+}