Improved /effect command and fixes
-improved the /effect command, allowing to use effect levels -fixed a bug in level-to-factor conversions -renamed effect icons to follow the new convention
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@ -8,23 +8,9 @@ local S = minetest.get_translator(minetest.get_current_modname())
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-- ░╚════╝░╚═╝░░╚═╝╚═╝░░╚═╝░░░╚═╝░░░ ░╚════╝░░╚════╝░╚═╝░░░░░╚═╝╚═╝░░░░░╚═╝╚═╝░░╚═╝╚═╝░░╚══╝╚═════╝░╚═════╝░
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local get_chat_function = {}
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get_chat_function["poison"] = mcl_potions.poison_func
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get_chat_function["regeneration"] = mcl_potions.regeneration_func
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get_chat_function["invisibility"] = mcl_potions.invisiblility_func
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get_chat_function["fire_resistance"] = mcl_potions.fire_resistance_func
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get_chat_function["night_vision"] = mcl_potions.night_vision_func
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get_chat_function["water_breathing"] = mcl_potions.water_breathing_func
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get_chat_function["leaping"] = mcl_potions.leaping_func
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get_chat_function["swiftness"] = mcl_potions.swiftness_func
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get_chat_function["heal"] = mcl_potions.healing_func
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get_chat_function["bad_omen"] = mcl_potions.bad_omen_func
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get_chat_function["withering"] = mcl_potions.withering_func
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minetest.register_chatcommand("effect",{
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params = S("<effect> <duration> [<factor>]"),
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description = S("Add a status effect to yourself. Arguments: <effect>: name of status effect, e.g. poison. <duration>: duration in seconds. <factor>: effect strength multiplier (1 = 100%)"),
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params = S("<effect> <duration> [<level>] [<factor>]"),
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description = S("Add a status effect to yourself. Arguments: <effect>: name of status effect, e.g. poison. <duration>: duration in seconds. <level>: effect power determinant, bigger level results in more powerful effect for effects that depend on the level, defaults to 1, pass F to use low-level factor instead. <factor>: effect strength modifier, can mean different things depending on the effect."),
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privs = {server = true},
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func = function(name, params)
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@ -37,22 +23,46 @@ minetest.register_chatcommand("effect",{
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if not P[1] then
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return false, S("Missing effect parameter!")
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elseif not tonumber(P[2]) then
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elseif P[1] == "list" then
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local regs = mcl_potions.get_registered_effects()
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local effects = "heal"
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for name, _ in pairs(regs) do
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effects = effects .. ", " .. name
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end
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return true, effects
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elseif not tonumber(P[2])then
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return false, S("Missing or invalid duration parameter!")
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elseif P[3] and not tonumber(P[3]) then
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return false, S("Invalid factor parameter!")
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end
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-- Default factor = 1
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if not P[3] then
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P[3] = 1.0
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elseif P[3] and not tonumber(P[3]) and P[3] ~= "F" then
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return false, S("Invalid level parameter!")
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elseif P[3] and P[3] == "F" and not P[4] then
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return false, S("Missing or invalid factor parameter when level is F!")
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end
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if get_chat_function[P[1]] then
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get_chat_function[P[1]](minetest.get_player_by_name(name), tonumber(P[3]), tonumber(P[2]))
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return true
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-- Default level = 1
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if not P[3] then
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P[3] = 1
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end
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if mcl_potions.is_effect_registered(P[1]) then
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if P[3] == "F" then
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local given = mcl_potions.give_effect(P[1], minetest.get_player_by_name(name), tonumber(P[4]), tonumber(P[2]))
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if given then
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return true, S("@1 effect given to player @2 for @3 seconds with factor of @4.", P[1], name, P[2], P[4])
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else
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return false, S("Giving effect @1 to player @2 failed.", P[1], name)
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end
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else
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local given = mcl_potions.give_effect_by_level(P[1], minetest.get_player_by_name(name), tonumber(P[3]), tonumber(P[2]))
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if given then
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return true, S("@1 effect on level @2 given to player @3 for @4 seconds.", P[1], P[3], name, P[2])
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else
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return false, S("Giving effect @1 to player @2 failed.", P[1], name)
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end
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end
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else
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return false, S("@1 is not an available status effect.", P[1])
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end
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end,
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})
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@ -48,7 +48,7 @@ local function generate_linear_lvl_to_fac(l1, l2)
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end
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local function generate_rational_lvl_to_fac(l1, l2)
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local a = (l1 - l2) / 1.5
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local a = (l1 - l2) * 2
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local b = 2*l2 - l1
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return function(level)
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if level == 0 then return 0 end
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@ -89,6 +89,15 @@ function mcl_potions.register_effect(def)
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if def.name == nil then
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error("Unable to register effect: name is nil")
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end
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if def.name == "list" then
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error("Unable to register effect: list is a reserved word")
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end
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if def.name == "heal" then
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error("Unable to register effect: heal is a reserved word")
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end
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if registered_effects[name] then
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error("Effect named "..name.." already registered!")
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end
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local name = def.name
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local pdef = {}
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if not def.icon then
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@ -141,6 +150,18 @@ function mcl_potions.register_effect(def)
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EF[name] = {}
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end
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function mcl_potions.get_registered_effects()
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return table.copy(registered_effects)
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end
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function mcl_potions.is_effect_registered(name)
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if registered_effects[name] then
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return true
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else
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return false
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end
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end
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mcl_potions.register_effect({
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name = "invisibility",
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on_start = function(object, factor)
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@ -891,7 +912,7 @@ function mcl_potions._load_player_effects(player)
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-- new API effects + on_load for loaded legacy effects
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for name, effect in pairs(registered_effects) do
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local loaded = minetest.deserialize(meta:get_string("mcl_potions:"..name))
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local loaded = minetest.deserialize(meta:get_string("mcl_potions:_EF_"..name))
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if loaded then EF[name][player] = loaded end
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if EF[name][player] and effect.on_load then
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effect.on_load(player, EF[name][player].factor)
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@ -1133,10 +1154,8 @@ local function target_valid(object, name)
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end
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function mcl_potions.give_effect(name, object, factor, duration)
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if not target_valid(object, name) then return false end
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local edef = registered_effects[name]
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if not edef then return false end
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if not edef or not target_valid(object, name) then return false end
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if not EF[name][object] then
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local vals = {dur = duration, timer = 0,}
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if edef.uses_factor then vals.factor = factor end
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@ -1160,6 +1179,8 @@ function mcl_potions.give_effect(name, object, factor, duration)
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end
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if object:is_player() then potions_set_hud(object) end
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return true
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end
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function mcl_potions.give_effect_by_level(name, object, level, duration)
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@ -462,17 +462,18 @@ function mcl_potions.get_alchemy(ingr, pot)
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return false
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end
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mcl_mobs.effect_functions["poison"] = mcl_potions.poison_func
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mcl_mobs.effect_functions["regeneration"] = mcl_potions.regeneration_func
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mcl_mobs.effect_functions["invisibility"] = mcl_potions.invisiblility_func
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mcl_mobs.effect_functions["fire_resistance"] = mcl_potions.fire_resistance_func
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mcl_mobs.effect_functions["night_vision"] = mcl_potions.night_vision_func
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mcl_mobs.effect_functions["water_breathing"] = mcl_potions.water_breathing_func
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mcl_mobs.effect_functions["leaping"] = mcl_potions.leaping_func
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mcl_mobs.effect_functions["swiftness"] = mcl_potions.swiftness_func
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mcl_mobs.effect_functions["heal"] = mcl_potions.healing_func
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mcl_mobs.effect_functions["bad_omen"] = mcl_potions.bad_omen_func
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mcl_mobs.effect_functions["withering"] = mcl_potions.withering_func
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-- TODO replace all calls to the old API with new API calls in other mods
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-- mcl_mobs.effect_functions["poison"] = mcl_potions.poison_func
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-- mcl_mobs.effect_functions["regeneration"] = mcl_potions.regeneration_func
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-- mcl_mobs.effect_functions["invisibility"] = mcl_potions.invisiblility_func
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-- mcl_mobs.effect_functions["fire_resistance"] = mcl_potions.fire_resistance_func
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-- mcl_mobs.effect_functions["night_vision"] = mcl_potions.night_vision_func
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-- mcl_mobs.effect_functions["water_breathing"] = mcl_potions.water_breathing_func
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-- mcl_mobs.effect_functions["leaping"] = mcl_potions.leaping_func
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-- mcl_mobs.effect_functions["swiftness"] = mcl_potions.swiftness_func
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-- mcl_mobs.effect_functions["heal"] = mcl_potions.healing_func
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-- mcl_mobs.effect_functions["bad_omen"] = mcl_potions.bad_omen_func
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-- mcl_mobs.effect_functions["withering"] = mcl_potions.withering_func
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-- give withering to players in a wither rose
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local etime = 0
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