forked from VoxeLibre/VoxeLibre
117 lines
3.3 KiB
Lua
117 lines
3.3 KiB
Lua
mcl_damage = {
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modifiers = {},
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types = {
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in_fire = {is_fire = true},
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lightning_bolt = {is_lightning = true},
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on_fire = {is_fire = true},
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lava = {is_fire = true},
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hot_floor = {is_fire = true},
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in_wall = {bypasses_armor = true},
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drown = {bypasses_armor = true},
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starve = {bypasses_armor = true, bypasses_magic = true},
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cactus = {},
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fall = {bypasses_armor = true},
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fly_into_wall = {bypasses_armor = true}, -- unused
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out_of_world = {bypasses_armor = true, bypasses_invulnerability = true},
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generic = {bypasses_armor = true},
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magic = {is_magic = true, bypasses_armor = true},
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wither = {bypasses_armor = true}, -- unused
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anvil = {},
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falling_node = {}, -- unused
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dragon_breath = {bypasses_armor = true}, -- unused
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mob = {},
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player = {},
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arrow = {is_projectile = true},
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fireball = {is_projectile = true, is_fire = true},
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thorns = {is_magic = true},
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explosion = {is_explosion = true},
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cramming = {bypasses_armor = true}, -- unused
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fireworks = {is_explosion = true}, -- unused
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command = {bypasses_armor = true, bypasses_invulnerability = true, bypasses_magic = true},
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}
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}
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function mcl_damage.register_modifier(func, priority)
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table.insert(mcl_damage.modifiers, {func = func, priority = priority or 0})
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end
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function mcl_damage.do_modifiers(player, damage, reason)
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for _, modf in ipairs(mcl_damage.modifiers) do
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damage = modf.func(player, damage, reason) or damage
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if damage == 0 then
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return 0
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end
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end
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return damage
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end
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function mcl_damage.from_punch(mcl_reason, object)
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mcl_reason.direct = object
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local luaentity = mcl_reason.direct:get_luaentity()
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if luaentity then
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if luaentity._is_arrow then
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mcl_reason.type = "arrow"
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elseif luaentity._is_fireball then
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mcl_reason.type = "fireball"
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elseif luaentity._cmi_is_mob then
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mcl_reason.type = "mob"
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end
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mcl_reason.source = mcl_reason.source or luaentity._source_object
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else
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mcl_reason.type = "player"
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end
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end
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function mcl_damage.finish_reason(mcl_reason)
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mcl_reason.source = mcl_reason.source or mcl_reason.direct
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mcl_reason.flags = mcl_damage.types[mcl_reason.type]
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end
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function mcl_damage.from_mt(mt_reason)
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local mcl_reason = {type = "generic"}
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if mt_reason._mcl_type then
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mcl_reason.type = mt_reason._mcl_type
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elseif mt_reason.type == "fall" then
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mcl_reason.type = "fall"
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elseif mt_reason.type == "drown" then
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mcl_reason.type = "drown"
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elseif mt_reason.type == "punch" then
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mcl_damage.from_punch(mcl_reason, mt_reason.object)
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elseif mt_reason.type == "node_damage" and mt_reason.node then
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if minetest.get_item_group(mt_reason.node, "fire") > 0 then
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mcl_reason.type = "in_fire"
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end
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if minetest.get_item_group(mt_reason.node, "lava") > 0 then
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mcl_reason.type = "lava"
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end
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end
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for key, value in pairs(mt_reason) do
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if key:find("_mcl_") == 1 then
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mcl_reason[key:sub(6, #key)] = value
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end
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end
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mcl_damage.finish_reason(mcl_reason)
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return mcl_reason
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end
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function mcl_damage.register_type(name, def)
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mcl_damage.types[name] = def
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end
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minetest.register_on_player_hpchange(function(player, hp_change, mt_reason)
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if hp_change < 0 then
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hp_change = -mcl_damage.do_modifiers(player, -hp_change, mcl_damage.from_mt(mt_reason))
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end
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return hp_change
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end, true)
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minetest.register_on_mods_loaded(function()
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table.sort(mcl_damage.modifiers, function(a, b) return a.priority < b.priority end)
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end)
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