forked from VoxeLibre/VoxeLibre
176 lines
6.4 KiB
Lua
176 lines
6.4 KiB
Lua
local S = minetest.get_translator("mcl_potions")
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local lingering_image = function(colorstring, opacity)
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if not opacity then
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opacity = 127
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end
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return "mcl_potions_splash_overlay.png^[colorize:"..colorstring..":"..tostring(opacity).."^mcl_potions_lingering_bottle.png"
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end
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local lingering_effect_at = {}
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local function add_lingering_effect(pos, color, def)
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lingering_effect_at[pos] = {color = color, timer = 30, def = def}
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end
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local lingering_timer = 0
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minetest.register_globalstep(function(dtime)
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lingering_timer = lingering_timer + dtime
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if lingering_timer >= 1 then
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for pos, vals in pairs(lingering_effect_at) do
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vals.timer = vals.timer - lingering_timer
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local d = 4 * (vals.timer / 30.0)
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minetest.add_particlespawner({
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amount = 10 * d^2,
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time = 1,
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minpos = {x=pos.x-d, y=pos.y+0.5, z=pos.z-d},
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maxpos = {x=pos.x+d, y=pos.y+1, z=pos.z+d},
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minvel = {x=-0.5, y=0, z=-0.5},
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maxvel = {x=0.5, y=0.5, z=0.5},
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minacc = {x=-0.2, y=0, z=-0.2},
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maxacc = {x=0.2, y=.05, z=0.2},
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minexptime = 1,
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maxexptime = 2,
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minsize = 2,
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maxsize = 4,
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collisiondetection = true,
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vertical = false,
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texture = "mcl_potions_sprite.png^[colorize:"..vals.color..":127",
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})
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for _, obj in pairs(minetest.get_objects_inside_radius(pos, d)) do
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local entity = obj:get_luaentity()
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if obj:is_player() or entity._cmi_is_mob then
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vals.def.potion_fun(obj)
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vals.timer = vals.timer / 2
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end
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end
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if vals.timer <= 0 then lingering_effect_at[pos] = nil end
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end
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lingering_timer = 0
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end
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end)
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function mcl_potions.register_lingering(name, descr, color, def)
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local id = "mcl_potions:"..name.."_lingering"
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local longdesc = def.longdesc
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if not def.no_effect then
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longdesc = S("A throwable potion that will shatter on impact, where it creates a magic cloud that lingers around for a while. Any player or mob inside the cloud will receive the potion's effect, possibly repeatedly.")
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if def.longdesc then
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longdesc = longdesc .. "\n" .. def.longdesc
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end
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end
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minetest.register_craftitem(id, {
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description = descr,
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_tt_help = def.tt,
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_doc_items_longdesc = longdesc,
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_doc_items_usagehelp = S("Use the “Punch” key to throw it."),
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inventory_image = lingering_image(color),
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groups = {brewitem=1, not_in_creative_inventory=0},
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on_use = function(item, placer, pointed_thing)
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local velocity = 10
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local dir = placer:get_look_dir();
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local pos = placer:getpos();
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local obj = minetest.add_entity({x=pos.x+dir.x,y=pos.y+2+dir.y,z=pos.z+dir.z}, id.."_flying")
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obj:setvelocity({x=dir.x*velocity,y=dir.y*velocity,z=dir.z*velocity})
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obj:setacceleration({x=dir.x*-3, y=-9.8, z=dir.z*-3})
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obj:get_luaentity()._thrower = placer:get_player_name()
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if not minetest.is_creative_enabled(placer:get_player_name()) then
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item:take_item()
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end
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return item
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end,
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stack_max = 1,
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_on_dispense = function(stack, dispenserpos, droppos, dropnode, dropdir)
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local s_pos = vector.add(dispenserpos, vector.multiply(dropdir, 0.51))
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local obj = minetest.add_entity({x=s_pos.x+dropdir.x,y=s_pos.y+dropdir.y,z=s_pos.z+dropdir.z}, id.."_flying")
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local velocity = 22
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obj:set_velocity({x=dropdir.x*velocity,y=dropdir.y*velocity,z=dropdir.z*velocity})
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obj:set_acceleration({x=dropdir.x*-3, y=-9.8, z=dropdir.z*-3})
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end
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})
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local w = 0.7
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minetest.register_entity(id.."_flying",{
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textures = {lingering_image(color)},
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hp_max = 1,
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visual_size = {x=w/2,y=w/2},
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collisionbox = {0,0,0,0,0,0},
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on_step = function(self, dtime)
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local pos = self.object:getpos()
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local node = minetest.get_node(pos)
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local n = node.name
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local d = 4
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if n ~= "air" and n ~= "mcl_portals:portal" and n ~= "mcl_portals:portal_end" or mcl_potions.is_obj_hit(self, pos) then
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minetest.sound_play("mcl_potions_breaking_glass", {pos = pos, max_hear_distance = 16, gain = 1})
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add_lingering_effect(pos, color, def)
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minetest.add_particlespawner({
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amount = 40,
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time = 1,
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minpos = {x=pos.x-d, y=pos.y+0.5, z=pos.z-d},
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maxpos = {x=pos.x+d, y=pos.y+1, z=pos.z+d},
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minvel = {x=-0.5, y=0, z=-0.5},
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maxvel = {x=0.5, y=0.5, z=0.5},
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minacc = {x=-0.2, y=0, z=-0.2},
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maxacc = {x=0.2, y=.05, z=0.2},
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minexptime = 1,
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maxexptime = 2,
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minsize = 1,
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maxsize = 2,
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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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self.object:remove()
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end
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end,
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})
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end
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-- -- register_lingering("weakness", S("Lingering Weakness Potion"), "#6600AA", {
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-- -- potion_fun = function(player) mcl_potions.weakness_func(player, -4, mcl_potions.DURATION*mcl_potions.INV_FACTOR*0.25) end,
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-- -- -- TODO: Fix tooltip
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-- -- tt = time_string(mcl_potions.DURATION*mcl_potions.INV_FACTOR*0.25)
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-- -- })
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-- --
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-- -- register_lingering("weakness_plus", S("Lingering Weakness Potion +"), "#7700BB", {
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-- -- potion_fun = function(player) mcl_potions.weakness_func(player, -4, mcl_potions.DURATION_PLUS*mcl_potions.INV_FACTOR*0.25) end,
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-- -- -- TODO: Fix tooltip
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-- -- tt = time_string(mcl_potions.DURATION*mcl_potions.INV_FACTOR*0.25)
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-- -- })
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-- --
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-- -- register_lingering("strength", S("Lingering Strength Potion"), "#D444D4", {
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-- -- potion_fun = function(player) mcl_potions.strength_func(player, 3, mcl_potions.DURATION*0.25) end,
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-- -- -- TODO: Fix tooltip
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-- -- tt = time_string(mcl_potions.DURATION*0.25)
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-- -- })
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-- --
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-- -- register_lingering("strength_2", S("Lingering Strength Potion II"), "#D444F4", {
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-- -- potion_fun = function(player) mcl_potions.strength_func(player, 6, smcl_potions.DURATION_2*0.25) end,
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-- -- -- TODO: Fix tooltip
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-- -- tt = time_string(mcl_potions.DURATION_2*0.25)
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-- -- })
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-- --
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-- -- register_lingering("strength_plus", S("Lingering Strength Potion +"), "#D444E4", {
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-- -- potion_fun = function(player) mcl_potions.strength_func(player, 3, mcl_potions.DURATION_PLUS*0.25) end,
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-- -- -- TODO: Fix tooltip
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-- -- tt = time_string(mcl_potions.DURATION_PLUS*0.25)
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-- -- })
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