forked from Mineclonia/Mineclonia
660 lines
16 KiB
Lua
660 lines
16 KiB
Lua
local is_invisible = {}
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local is_poisoned = {}
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local is_regenerating = {}
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local is_strong = {}
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local is_weak = {}
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local is_water_breathing = {}
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local is_leaping = {}
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local is_swift = {}
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local is_cat = {}
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local is_fire_proof = {}
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local is_player, entity
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minetest.register_globalstep(function(dtime)
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-- Check for invisible players
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for player, vals in pairs(is_invisible) do
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is_invisible[player].timer = is_invisible[player].timer + dtime
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if player:get_pos() then mcl_potions._add_spawner(player, "#B0B0B0") end
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if is_invisible[player].timer >= is_invisible[player].dur then
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mcl_potions.make_invisible(player, false)
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is_invisible[player] = nil
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end
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end
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-- Check for poisoned players
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for player, vals in pairs(is_poisoned) do
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is_player = player:is_player()
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entity = player:get_luaentity()
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is_poisoned[player].timer = is_poisoned[player].timer + dtime
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is_poisoned[player].hit_timer = (is_poisoned[player].hit_timer or 0) + dtime
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if player:get_pos() then mcl_potions._add_spawner(player, "#225533") end
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if is_poisoned[player].hit_timer >= is_poisoned[player].step then
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if entity and entity._cmi_is_mob then
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entity.health = math.max(entity.health - 1, 1)
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is_poisoned[player].hit_timer = 0
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elseif is_player then
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player:set_hp( math.max(player:get_hp() - 1, 1), { type = "punch", other = "poison"})
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is_poisoned[player].hit_timer = 0
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else -- if not player or mob then remove
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is_poisoned[player] = nil
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end
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end
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if is_poisoned[player].timer >= is_poisoned[player].dur then
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is_poisoned[player] = nil
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end
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end
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-- Check for regnerating players
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for player, vals in pairs(is_regenerating) do
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is_player = player:is_player()
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entity = player:get_luaentity()
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is_regenerating[player].timer = is_regenerating[player].timer + dtime
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is_regenerating[player].heal_timer = (is_regenerating[player].heal_timer or 0) + dtime
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if player:get_pos() then mcl_potions._add_spawner(player, "#A52BB2") end
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if is_regenerating[player].heal_timer >= is_regenerating[player].step then
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if is_player then
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player:set_hp(math.min(player:get_properties().hp_max or 20, player:get_hp() + 1), { type = "set_hp", other = "regeneration" })
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is_regenerating[player].heal_timer = 0
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elseif entity and entity._cmi_is_mob then
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entity.health = math.min(entity.hp_max, entity.health + 1)
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is_regenerating[player].heal_timer = 0
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else -- stop regenerating if not a player or mob
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is_regenerating[player] = nil
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end
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end
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if is_regenerating[player].timer >= is_regenerating[player].dur then
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is_regenerating[player] = nil
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end
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end
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-- Check for water breathing players
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for player, vals in pairs(is_water_breathing) do
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if player:is_player() then
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is_water_breathing[player].timer = is_water_breathing[player].timer + dtime
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if player:get_pos() then mcl_potions._add_spawner(player, "#0000AA") end
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if player:get_breath() then
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if player:get_breath() < 10 then player:set_breath(10) end
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end
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if is_water_breathing[player].timer >= is_water_breathing[player].dur then
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is_water_breathing[player] = nil
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end
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else
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is_water_breathing[player] = nil
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end
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end
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-- Check for leaping players
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for player, vals in pairs(is_leaping) do
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if player:is_player() then
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is_leaping[player].timer = is_leaping[player].timer + dtime
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if player:get_pos() then mcl_potions._add_spawner(player, "#00CC33") end
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if is_leaping[player].timer >= is_leaping[player].dur then
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playerphysics.remove_physics_factor(player, "jump", "mcl_potions:leaping")
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is_leaping[player] = nil
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end
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else
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is_leaping[player] = nil
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end
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end
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-- Check for swift players
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for player, vals in pairs(is_swift) do
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if player:is_player() then
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is_swift[player].timer = is_swift[player].timer + dtime
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if player:get_pos() then mcl_potions._add_spawner(player, "#009999") end
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if is_swift[player].timer >= is_swift[player].dur then
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playerphysics.remove_physics_factor(player, "speed", "mcl_potions:swiftness")
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is_swift[player] = nil
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end
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else
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is_swift[player] = nil
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end
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end
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-- Check for Night Vision equipped players
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for player, vals in pairs(is_cat) do
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if player:is_player() then
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is_cat[player].timer = is_cat[player].timer + dtime
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if player:get_pos() then mcl_potions._add_spawner(player, "#1010AA") end
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if minetest.get_timeofday() > 0.8 or minetest.get_timeofday() < 0.2 then
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player:override_day_night_ratio(0.45)
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else player:override_day_night_ratio(nil)
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end
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if is_cat[player].timer >= is_cat[player].dur then
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is_cat[player] = nil
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end
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else
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is_cat[player] = nil
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end
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end
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-- Check for Fire Proof players
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for player, vals in pairs(is_fire_proof) do
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if player:is_player() then
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player = player or player:get_luaentity()
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is_fire_proof[player].timer = is_fire_proof[player].timer + dtime
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if player:get_pos() then mcl_potions._add_spawner(player, "#E0B050") end
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if is_fire_proof[player].timer >= is_fire_proof[player].dur then
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is_fire_proof[player] = nil
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end
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else
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is_fire_proof[player] = nil
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end
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end
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-- Check for Weak players
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for player, vals in pairs(is_weak) do
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if player:is_player() then
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is_weak[player].timer = is_weak[player].timer + dtime
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if player:get_pos() then mcl_potions._add_spawner(player, "#7700BB") end
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if is_weak[player].timer >= is_weak[player].dur then
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is_weak[player] = nil
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end
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else
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is_weak[player] = nil
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end
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end
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-- Check for Strong players
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for player, vals in pairs(is_strong) do
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if player:is_player() then
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is_strong[player].timer = is_strong[player].timer + dtime
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if player:get_pos() then mcl_potions._add_spawner(player, "#7700BB") end
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if is_strong[player].timer >= is_strong[player].dur then
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is_strong[player] = nil
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end
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else
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is_strong[player] = nil
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end
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end
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end)
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local is_fire_node = { ["mcl_core:lava_flowing"]=true,
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["mcl_core:lava_source"]=true,
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["mcl_fire:eternal_fire"]=true,
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["mcl_fire:fire"]=true,
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["mcl_nether:magma"]=true,
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["mcl_nether:nether_lava_source"]=true,
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["mcl_nether:nether_lava_flowing"]=true,
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["mcl_nether:nether_lava_source"]=true}
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-- Prevent damage to player with Fire Resistance enabled
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minetest.register_on_player_hpchange(function(player, hp_change, reason)
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if is_fire_proof[player] and hp_change < 0 then
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-- This is a bit forced, but it assumes damage is taken by fire and avoids it
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-- also assumes any change in hp happens between calls to this function
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-- it's worth noting that you don't take damage from players in this case...
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local player_info = mcl_playerinfo[player:get_player_name()]
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-- if reason.type == "drown" then return hp_change
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if is_fire_node[player_info.node_head] or is_fire_node[player_info.node_feet] or is_fire_node[player_info.node_stand] then
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return 0
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else
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return hp_change
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end
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else
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return hp_change
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end
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end, true)
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function mcl_potions._reset_player_effects(player)
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if is_invisible[player] then
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mcl_potions.make_invisible(player, false)
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is_invisible[player] = nil
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else --ensure player isn't invisible if he shouldn't be
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mcl_potions.make_invisible(player, false)
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end
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if is_poisoned[player] then
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is_poisoned[player] = nil
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end
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if is_regenerating[player] then
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is_regenerating[player] = nil
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end
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if is_strong[player] then
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is_strong[player] = nil
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end
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if is_weak[player] then
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is_weak[player] = nil
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end
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if is_water_breathing[player] then
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is_water_breathing[player] = nil
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end
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if is_leaping[player] then
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is_leaping[player] = nil
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playerphysics.remove_physics_factor(player, "jump", "mcl_potions:leaping")
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else -- ensure no effects are stuck from previous potions
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playerphysics.remove_physics_factor(player, "jump", "mcl_potions:leaping")
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end
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if is_swift[player] then
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is_swift[player] = nil
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playerphysics.remove_physics_factor(player, "speed", "mcl_potions:swiftness")
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else -- ensure no effects are stuck from previous potions
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playerphysics.remove_physics_factor(player, "speed", "mcl_potions:swiftness")
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end
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if is_cat[player] then
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player:override_day_night_ratio(nil)
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is_cat[player] = nil
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else -- ensure no effects are stuck from previous potions
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player:override_day_night_ratio(nil)
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end
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if is_fire_proof[player] then
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is_fire_proof[player] = nil
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end
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end
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minetest.register_on_leaveplayer( function(player) mcl_potions._reset_player_effects(player) end)
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minetest.register_on_dieplayer( function(player) mcl_potions._reset_player_effects(player) end)
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-- TODO It's not MC-like to remove all potion effects when a player leaves or returns, but...it keeps
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-- the server from crashing when it loops for a player that isn't online and by resetting on join, it
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-- avoids effects present that shouldn't be
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minetest.register_on_joinplayer( function(player) mcl_potions._reset_player_effects(player) end)
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function mcl_potions.is_obj_hit(self, pos)
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local entity
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for _,object in pairs(minetest.get_objects_inside_radius(pos, 1.1)) do
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entity = object:get_luaentity()
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if entity and entity.name ~= self.object:get_luaentity().name then
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if entity._cmi_is_mob then return true end
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elseif object:is_player() and self._thrower ~= object:get_player_name() then
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return true
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end
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end
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return false
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end
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function mcl_potions.make_invisible(player, toggle)
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if not player then return false end
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local is_player = player:is_player()
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local entity = player:get_luaentity()
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if toggle then -- hide player
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if player:is_player() then
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is_invisible[player].old_size = player:get_properties().visual_size
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elseif entity then
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is_invisible[player].old_size = entity.visual_size
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else -- if not a player or entity, do nothing
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return
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end
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player:set_properties({visual_size = {x = 0, y = 0}})
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player:set_nametag_attributes({color = {a = 0}})
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elseif is_invisible[player] then -- show player
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player:set_properties({visual_size = is_invisible[player].old_size})
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player:set_nametag_attributes({color = {a = 255}})
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end
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end
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function mcl_potions.poison(player, toggle)
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if not player then return false end
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is_poisoned[player:get_player_name()] = toggle
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end
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function mcl_potions.regenerate(player, toggle)
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if not player then return false end
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is_regenerating[player:get_player_name()] = toggle
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end
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function mcl_potions._use_potion(item, obj, color)
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local d = 0.1
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local pos = obj:get_pos()
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minetest.sound_play("mcl_potions_drinking", {pos = pos, max_hear_distance = 6, gain = 1})
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minetest.add_particlespawner({
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amount = 25,
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time = 1,
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minpos = {x=pos.x-d, y=pos.y+1, z=pos.z-d},
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maxpos = {x=pos.x+d, y=pos.y+2, z=pos.z+d},
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minvel = {x=-0.1, y=0, z=-0.1},
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maxvel = {x=0.1, y=0.1, z=0.1},
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minacc = {x=-0.1, y=0, z=-0.1},
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maxacc = {x=0.1, y=.1, z=0.1},
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minexptime = 1,
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maxexptime = 5,
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minsize = 0.5,
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maxsize = 1,
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collisiondetection = true,
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vertical = false,
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texture = "mcl_potions_sprite.png^[colorize:"..color..":127",
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})
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end
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function mcl_potions._add_spawner(obj, color)
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local d = 0.2
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local pos = obj:get_pos()
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minetest.add_particlespawner({
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amount = 1,
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time = 1,
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minpos = {x=pos.x-d, y=pos.y+1, z=pos.z-d},
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maxpos = {x=pos.x+d, y=pos.y+2, z=pos.z+d},
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minvel = {x=-0.1, y=0, z=-0.1},
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maxvel = {x=0.1, y=0.1, z=0.1},
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minacc = {x=-0.1, y=0, z=-0.1},
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maxacc = {x=0.1, y=.1, z=0.1},
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minexptime = 0.5,
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maxexptime = 1,
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minsize = 0.5,
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maxsize = 1,
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collisiondetection = false,
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vertical = false,
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texture = "mcl_potions_sprite.png^[colorize:"..color..":127",
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})
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end
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function mcl_potions.healing_func(player, hp)
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local obj = player:get_luaentity()
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if obj and obj.harmed_by_heal then hp = -hp end
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if hp > 0 then
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if obj and obj._cmi_is_mob then
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obj.health = math.max(obj.health + hp, obj.hp_max)
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elseif player:is_player() then
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player:set_hp(math.min(player:get_hp() + hp, player:get_properties().hp_max), { type = "set_hp", other = "healing" })
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end
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else
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if obj and obj._cmi_is_mob then
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obj.health = obj.health + hp
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elseif player:is_player() then
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player:set_hp(player:get_hp() + hp, { type = "punch", other = "harming" })
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end
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end
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end
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function mcl_potions.swiftness_func(player, factor, duration)
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if not player:get_meta() then return false end
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if not is_swift[player] then
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is_swift[player] = {dur = duration, timer = 0}
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playerphysics.add_physics_factor(player, "speed", "mcl_potions:swiftness", factor)
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else
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local victim = is_swift[player]
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playerphysics.add_physics_factor(player, "speed", "mcl_potions:swiftness", factor)
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victim.dur = math.max(duration, victim.dur - victim.timer)
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victim.timer = 0
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end
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end
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function mcl_potions.leaping_func(player, factor, duration)
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if not player:get_meta() then return false end
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if not is_leaping[player] then
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is_leaping[player] = {dur = duration, timer = 0}
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playerphysics.add_physics_factor(player, "jump", "mcl_potions:leaping", factor)
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else
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local victim = is_leaping[player]
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playerphysics.add_physics_factor(player, "jump", "mcl_potions:leaping", factor)
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victim.dur = math.max(duration, victim.dur - victim.timer)
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victim.timer = 0
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end
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end
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function mcl_potions.weakness_func(player, factor, duration)
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if not is_weak[player] then
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is_weak[player] = {dur = duration, timer = 0, factor = factor}
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else
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local victim = is_weak[player]
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victim.factor = factor
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victim.dur = math.max(duration, victim.dur - victim.timer)
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victim.timer = 0
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end
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end
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function mcl_potions.strength_func(player, factor, duration)
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if not is_strong[player] then
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is_strong[player] = {dur = duration, timer = 0, factor = factor}
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else
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local victim = is_strong[player]
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victim.factor = factor
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victim.dur = math.max(duration, victim.dur - victim.timer)
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victim.timer = 0
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end
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end
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function mcl_potions.poison_func(player, factor, duration)
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if not is_poisoned[player] then
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is_poisoned[player] = {step = factor, dur = duration, timer = 0}
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else
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local victim = is_poisoned[player]
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victim.step = math.min(victim.step, factor)
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victim.dur = math.max(duration, victim.dur - victim.timer)
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victim.timer = 0
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end
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end
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function mcl_potions.regeneration_func(player, factor, duration)
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if not is_regenerating[player] then
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is_regenerating[player] = {step = factor, dur = duration, timer = 0}
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else
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local victim = is_regenerating[player]
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victim.step = math.min(victim.step, factor)
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victim.dur = math.max(duration, victim.dur - victim.timer)
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victim.timer = 0
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end
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end
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function mcl_potions.invisiblility_func(player, null, duration)
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if not is_invisible[player] then
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is_invisible[player] = {dur = duration, timer = 0}
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mcl_potions.make_invisible(player, true)
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else
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local victim = is_invisible[player]
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victim.dur = math.max(duration, victim.dur - victim.timer)
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victim.timer = 0
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end
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end
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function mcl_potions.water_breathing_func(player, null, duration)
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if not is_water_breathing[player] then
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is_water_breathing[player] = {dur = duration, timer = 0}
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else
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local victim = is_water_breathing[player]
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victim.dur = math.max(duration, victim.dur - victim.timer)
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victim.timer = 0
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end
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end
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function mcl_potions.fire_resistance_func(player, null, duration)
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if not is_fire_proof[player] then
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is_fire_proof[player] = {dur = duration, timer = 0}
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else
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local victim = is_fire_proof[player]
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victim.dur = math.max(duration, victim.dur - victim.timer)
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victim.timer = 0
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end
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end
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function mcl_potions.night_vision_func(player, null, duration)
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if not is_cat[player] then
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is_cat[player] = {dur = duration, timer = 0}
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else
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local victim = is_cat[player]
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victim.dur = math.max(duration, victim.dur - victim.timer)
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victim.timer = 0
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end
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end
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