106 lines
3.1 KiB
Lua
106 lines
3.1 KiB
Lua
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local old_damage_modifier = MCLObject.damage_modifier
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function MCLObject:damage_modifier(damage, source)
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local damage_old = old_damage_modifier(damage, source)
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if damage_old then
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return damage_old
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end
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if damage < 0 then
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return
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end
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if source.bypasses_armor and source.bypasses_magic then
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return
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end
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local uses = math.max(1, math.floor(math.abs(damage) / 4))
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local source_object = source:source_object()
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local equipment = self:equipment()
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local points = self:base_armor_points()
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local toughness = 0
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local protection_factor = 0
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local thorns_damage_regular = 0
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local thorns_damage_irregular = 0
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local thorns_pieces = {}
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for location, rawstack in pairs(equipment:get_armor()) do
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local stack = MCLItemStack(rawstack)
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if not source.bypasses_armor then
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points = points + stack:group("armor_points")
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toughness = toughness + stack:group("armor_toughness")
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stack:use_durability(uses)
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equipment[location](equipment, rawstack)
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end
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if not source.bypasses_magic then
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protection_factor = protection_factor + 1 * stack:get_enchantment("protection")
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if source.is_explosion then
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protection_factor = protection_factor + 2 * stack:get_enchantment("blast_protection")
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end
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if source.is_fire then
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protection_factor = protection_factor + 2 * stack:get_enchantment("fire_protection")
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end
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if source.is_projectile then
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protection_factor = protection_factor + 2 * stack:get_enchantment("projectile_protection")
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end
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if source.is_fall then
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protection_factor = protection_factor + 3 * stack:get_enchantment("feather_falling")
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end
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end
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if source_object then
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local thorns_level = stack:get_enchantment("thorns")
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if thorns_level > 0 then
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local do_irregular_damage = thorns_level > 10
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if do_irregular_damage or thorns_damage_regular < 4 and math.random() < thorns_level * 0.15 then
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if do_irregular_damage then
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thorns_damage_irregular = thorns_damage_irregular + thorns_level - 10
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else
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thorns_damage_regular = math.min(4, thorns_damage_regular + math.random(4))
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end
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end
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table.insert(thorns_pieces, {location = location, stack = stack})
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end
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end
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end
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-- https://minecraft.gamepedia.com/Armor#Damage_protection
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damage = damage * (1 - math.min(20, math.max((points / 5), points - damage / (2 + (toughness / 4)))) / 25)
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-- https://minecraft.gamepedia.com/Armor#Enchantments
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damage = damage * (1 - math.min(20, protection_factor) / 25)
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local thorns_damage = thorns_damage_regular + thorns_damage_irregular
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if thorns_damage > 0 and source_object ~= self then
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local thorns_damage_source = MCLDamageSource({direct_object = self, source_object = source_object, is_thorns = true})
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local thorns_knockback = source_object:get_knockback(thorns_damage_source, nil, nil, nil, nil, thorns_damage)
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source_object:damage(thorns_damage, thorns_damage_source, thorns_knockback)
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local piece = thorns_pieces[math.random(#thorns_pieces)]
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local mclstack = piece.stack
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mclstack:use_durability(2)
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equipment[piece.location](equipment, mclstack.stack)
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end
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return math.floor(damage + 0.5)
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end
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function MCLObject:base_armor_points()
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return 0
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end
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