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Merge pull request 'Refactor mcl_throwing API' (#1396) from api-throwing into master
Reviewed-on: https://git.minetest.land/MineClone2/MineClone2/pulls/1396
This commit is contained in:
AFCMS
commit
826d60e16e
6 changed files with 431 additions and 391 deletions
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@ -173,7 +173,7 @@ local fish = function(itemstack, player, pointed_thing)
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if noent == true then
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if noent == true then
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local playerpos = player:get_pos()
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local playerpos = player:get_pos()
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local dir = player:get_look_dir()
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local dir = player:get_look_dir()
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local obj = mcl_throwing.throw("mcl_throwing:flying_bobber", {x=playerpos.x, y=playerpos.y+1.5, z=playerpos.z}, dir, 15, player:get_player_name())
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local obj = mcl_throwing.throw("mcl_fishing:flying_bobber", {x=playerpos.x, y=playerpos.y+1.5, z=playerpos.z}, dir, 15, player:get_player_name())
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end
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end
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end
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end
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@ -295,6 +295,52 @@ bobber_ENTITY.on_step = bobber_on_step
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minetest.register_entity("mcl_fishing:bobber_entity", bobber_ENTITY)
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minetest.register_entity("mcl_fishing:bobber_entity", bobber_ENTITY)
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local flying_bobber_ENTITY={
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physical = false,
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timer=0,
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textures = {"mcl_fishing_bobber.png"}, --FIXME: Replace with correct texture.
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visual_size = {x=0.5, y=0.5},
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collisionbox = {0,0,0,0,0,0},
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pointable = false,
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get_staticdata = get_staticdata,
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on_activate = on_activate,
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_lastpos={},
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_thrower = nil,
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objtype="fishing",
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}
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-- Movement function of flying bobber
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local flying_bobber_on_step = function(self, dtime)
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self.timer=self.timer+dtime
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local pos = self.object:get_pos()
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local node = minetest.get_node(pos)
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local def = minetest.registered_nodes[node.name]
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--local player = minetest.get_player_by_name(self._thrower)
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-- Destroy when hitting a solid node
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if self._lastpos.x~=nil then
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if (def and (def.walkable or def.liquidtype == "flowing" or def.liquidtype == "source")) or not def then
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local make_child= function(object)
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local ent = object:get_luaentity()
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ent.player = self._thrower
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ent.child = true
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end
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make_child(minetest.add_entity(self._lastpos, "mcl_fishing:bobber_entity"))
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self.object:remove()
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return
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end
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end
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self._lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
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end
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flying_bobber_ENTITY.on_step = flying_bobber_on_step
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minetest.register_entity("mcl_fishing:flying_bobber_entity", flying_bobber_ENTITY)
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mcl_throwing.register_throwable_object("mcl_fishing:flying_bobber", "mcl_fishing:flying_bobber_entity", 5)
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-- If player leaves area, remove bobber.
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-- If player leaves area, remove bobber.
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minetest.register_on_leaveplayer(function(player)
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minetest.register_on_leaveplayer(function(player)
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local objs = minetest.get_objects_inside_radius(player:get_pos(), 250)
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local objs = minetest.get_objects_inside_radius(player:get_pos(), 250)
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@ -449,7 +495,7 @@ minetest.register_craftitem("mcl_fishing:clownfish_raw", {
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minetest.register_craftitem("mcl_fishing:pufferfish_raw", {
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minetest.register_craftitem("mcl_fishing:pufferfish_raw", {
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description = S("Pufferfish"),
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description = S("Pufferfish"),
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_tt_help = minetest.colorize("#FFFF00", S("Very poisonous")),
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_tt_help = minetest.colorize(mcl_colors.YELLOW, S("Very poisonous")),
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_doc_items_longdesc = S("Pufferfish are a common species of fish and can be obtained by fishing. They can technically be eaten, but they are very bad for humans. Eating a pufferfish only restores 1 hunger point and will poison you very badly (which drains your health non-fatally) and causes serious food poisoning (which increases your hunger)."),
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_doc_items_longdesc = S("Pufferfish are a common species of fish and can be obtained by fishing. They can technically be eaten, but they are very bad for humans. Eating a pufferfish only restores 1 hunger point and will poison you very badly (which drains your health non-fatally) and causes serious food poisoning (which increases your hunger)."),
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inventory_image = "mcl_fishing_pufferfish_raw.png",
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inventory_image = "mcl_fishing_pufferfish_raw.png",
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on_place = minetest.item_eat(1),
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on_place = minetest.item_eat(1),
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@ -1,3 +1,3 @@
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name = mcl_fishing
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name = mcl_fishing
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description = Adds fish and fishing poles to go fishing.
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description = Adds fish and fishing poles to go fishing.
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depends = mcl_core, mcl_sounds, mcl_loot, mcl_mobs, mcl_enchanting
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depends = mcl_core, mcl_sounds, mcl_loot, mcl_mobs, mcl_enchanting, mcl_throwing, mcl_colors
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35
mods/ITEMS/mcl_throwing/API.md
Normal file
35
mods/ITEMS/mcl_throwing/API.md
Normal file
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@ -0,0 +1,35 @@
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# mcl_throwing
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## mcl_throwing.throw(throw_item, pos, dir, velocity, thrower)
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Throw a throwable item.
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* throw_item: itemstring of the throwable item
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* pos: initial position of the entity
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* dir: direction where the throwable item will be thrown
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* velocity: (optional) will overide the default velocity value (can be nil)
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* thrower: (optional) player/entity who throw the object (can be nil)
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## mcl_throwing.register_throwable_object(name, entity, velocity)
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Register a throwable item.
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* name: itemname of the throwable object
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* entity: entity thrown
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* velocity: initial velocity of the entity
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## mcl_throwing.dispense_function(stack, dispenserpos, droppos, dropnode, dropdir)
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Throw throwable item from dispencer.
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Shouldn't be called directly.
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Must be used in item definition:
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`_on_dispense = mcl_throwing.dispense_function,`
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## mcl_throwing.get_player_throw_function(entity_name, velocity)
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Return a function who handle item throwing (to be used in item definition)
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Handle creative mode, and throw params.
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* entity_name: the name of the entity to throw
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* velocity: (optional) velocity overide (can be nil)
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@ -2,7 +2,7 @@ mcl_throwing = {}
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local S = minetest.get_translator("mcl_throwing")
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local S = minetest.get_translator("mcl_throwing")
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local mod_death_messages = minetest.get_modpath("mcl_death_messages")
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local mod_death_messages = minetest.get_modpath("mcl_death_messages")
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local mod_fishing = minetest.get_modpath("mcl_fishing")
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local modpath = minetest.get_modpath(minetest.get_current_modname())
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--
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--
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-- Snowballs and other throwable items
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-- Snowballs and other throwable items
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@ -10,21 +10,15 @@ local mod_fishing = minetest.get_modpath("mcl_fishing")
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local GRAVITY = tonumber(minetest.settings:get("movement_gravity"))
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local GRAVITY = tonumber(minetest.settings:get("movement_gravity"))
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local entity_mapping = {
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local entity_mapping = {}
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["mcl_throwing:flying_bobber"] = "mcl_throwing:flying_bobber_entity",
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local velocities = {}
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["mcl_throwing:snowball"] = "mcl_throwing:snowball_entity",
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["mcl_throwing:egg"] = "mcl_throwing:egg_entity",
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["mcl_throwing:ender_pearl"] = "mcl_throwing:ender_pearl_entity",
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}
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local velocities = {
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function mcl_throwing.register_throwable_object(name, entity, velocity)
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["mcl_throwing:flying_bobber_entity"] = 5,
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entity_mapping[name] = entity
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["mcl_throwing:snowball_entity"] = 22,
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velocities[name] = velocity
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["mcl_throwing:egg_entity"] = 22,
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end
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["mcl_throwing:ender_pearl_entity"] = 22,
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}
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mcl_throwing.throw = function(throw_item, pos, dir, velocity, thrower)
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function mcl_throwing.throw(throw_item, pos, dir, velocity, thrower)
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if velocity == nil then
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if velocity == nil then
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velocity = velocities[throw_item]
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velocity = velocities[throw_item]
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end
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end
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@ -44,7 +38,7 @@ mcl_throwing.throw = function(throw_item, pos, dir, velocity, thrower)
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end
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end
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-- Throw item
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-- Throw item
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local player_throw_function = function(entity_name, velocity)
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function mcl_throwing.get_player_throw_function(entity_name, velocity)
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local func = function(item, player, pointed_thing)
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local func = function(item, player, pointed_thing)
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local playerpos = player:get_pos()
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local playerpos = player:get_pos()
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local dir = player:get_look_dir()
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local dir = player:get_look_dir()
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@ -57,7 +51,7 @@ local player_throw_function = function(entity_name, velocity)
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return func
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return func
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end
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end
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local dispense_function = function(stack, dispenserpos, droppos, dropnode, dropdir)
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function mcl_throwing.dispense_function(stack, dispenserpos, droppos, dropnode, dropdir)
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-- Launch throwable item
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-- Launch throwable item
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local shootpos = vector.add(dispenserpos, vector.multiply(dropdir, 0.51))
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local shootpos = vector.add(dispenserpos, vector.multiply(dropdir, 0.51))
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mcl_throwing.throw(stack:get_name(), shootpos, dropdir)
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mcl_throwing.throw(stack:get_name(), shootpos, dropdir)
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@ -85,374 +79,4 @@ local on_activate = function(self, staticdata, dtime_s)
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end
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end
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end
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end
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-- The snowball entity
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dofile(modpath.."/register.lua")
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local snowball_ENTITY={
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physical = false,
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timer=0,
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textures = {"mcl_throwing_snowball.png"},
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visual_size = {x=0.5, y=0.5},
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collisionbox = {0,0,0,0,0,0},
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pointable = false,
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get_staticdata = get_staticdata,
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on_activate = on_activate,
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_thrower = nil,
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_lastpos={},
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}
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local egg_ENTITY={
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physical = false,
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timer=0,
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textures = {"mcl_throwing_egg.png"},
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visual_size = {x=0.45, y=0.45},
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collisionbox = {0,0,0,0,0,0},
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pointable = false,
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get_staticdata = get_staticdata,
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on_activate = on_activate,
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_thrower = nil,
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_lastpos={},
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}
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-- Ender pearl entity
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local pearl_ENTITY={
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physical = false,
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timer=0,
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textures = {"mcl_throwing_ender_pearl.png"},
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visual_size = {x=0.9, y=0.9},
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collisionbox = {0,0,0,0,0,0},
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pointable = false,
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get_staticdata = get_staticdata,
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on_activate = on_activate,
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_lastpos={},
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_thrower = nil, -- Player ObjectRef of the player who threw the ender pearl
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}
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local flying_bobber_ENTITY={
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physical = false,
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timer=0,
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textures = {"mcl_fishing_bobber.png"}, --FIXME: Replace with correct texture.
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visual_size = {x=0.5, y=0.5},
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collisionbox = {0,0,0,0,0,0},
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pointable = false,
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get_staticdata = get_staticdata,
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on_activate = on_activate,
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_lastpos={},
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_thrower = nil,
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objtype="fishing",
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}
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local check_object_hit = function(self, pos, dmg)
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for _,object in pairs(minetest.get_objects_inside_radius(pos, 1.5)) do
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local entity = object:get_luaentity()
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if entity
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and entity.name ~= self.object:get_luaentity().name then
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if object:is_player() and self._thrower ~= object:get_player_name() then
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-- TODO: Deal knockback
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self.object:remove()
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return true
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elseif (entity._cmi_is_mob == true or entity._hittable_by_projectile) and (self._thrower ~= object) then
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-- FIXME: Knockback is broken
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object:punch(self.object, 1.0, {
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full_punch_interval = 1.0,
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damage_groups = dmg,
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}, nil)
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return true
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end
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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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local snowball_particles = function(pos, vel)
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local vel = vector.normalize(vector.multiply(vel, -1))
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minetest.add_particlespawner({
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amount = 20,
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time = 0.001,
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minpos = pos,
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maxpos = pos,
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minvel = vector.add({x=-2, y=3, z=-2}, vel),
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maxvel = vector.add({x=2, y=5, z=2}, vel),
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minacc = {x=0, y=-9.81, z=0},
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maxacc = {x=0, y=-9.81, z=0},
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minexptime = 1,
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maxexptime = 3,
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minsize = 0.7,
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maxsize = 0.7,
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collisiondetection = true,
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collision_removal = true,
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object_collision = false,
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texture = "weather_pack_snow_snowflake"..math.random(1,2)..".png",
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})
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end
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-- Snowball on_step()--> called when snowball is moving.
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local snowball_on_step = function(self, dtime)
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self.timer=self.timer+dtime
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local pos = self.object:get_pos()
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local vel = self.object:get_velocity()
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local node = minetest.get_node(pos)
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local def = minetest.registered_nodes[node.name]
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-- Destroy when hitting a solid node
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if self._lastpos.x~=nil then
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if (def and def.walkable) or not def then
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minetest.sound_play("mcl_throwing_snowball_impact_hard", { pos = pos, max_hear_distance=16, gain=0.7 }, true)
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snowball_particles(self._lastpos, vel)
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self.object:remove()
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return
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end
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end
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if check_object_hit(self, pos, {snowball_vulnerable = 3}) then
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minetest.sound_play("mcl_throwing_snowball_impact_soft", { pos = pos, max_hear_distance=16, gain=0.7 }, true)
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snowball_particles(pos, vel)
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self.object:remove()
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return
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end
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self._lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set _lastpos-->Node will be added at last pos outside the node
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end
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-- Movement function of egg
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local egg_on_step = function(self, dtime)
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self.timer=self.timer+dtime
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local pos = self.object:get_pos()
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local node = minetest.get_node(pos)
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local def = minetest.registered_nodes[node.name]
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-- Destroy when hitting a solid node with chance to spawn chicks
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if self._lastpos.x~=nil then
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if (def and def.walkable) or not def then
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-- 1/8 chance to spawn a chick
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-- FIXME: Chicks have a quite good chance to spawn in walls
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local r = math.random(1,8)
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-- Turn given object into a child
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local make_child= function(object)
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local ent = object:get_luaentity()
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|
||||||
object:set_properties({
|
|
||||||
visual_size = { x = ent.base_size.x/2, y = ent.base_size.y/2 },
|
|
||||||
collisionbox = {
|
|
||||||
ent.base_colbox[1]/2,
|
|
||||||
ent.base_colbox[2]/2,
|
|
||||||
ent.base_colbox[3]/2,
|
|
||||||
ent.base_colbox[4]/2,
|
|
||||||
ent.base_colbox[5]/2,
|
|
||||||
ent.base_colbox[6]/2,
|
|
||||||
}
|
|
||||||
})
|
|
||||||
ent.child = true
|
|
||||||
end
|
|
||||||
if r == 1 then
|
|
||||||
make_child(minetest.add_entity(self._lastpos, "mobs_mc:chicken"))
|
|
||||||
|
|
||||||
-- BONUS ROUND: 1/32 chance to spawn 3 additional chicks
|
|
||||||
local r = math.random(1,32)
|
|
||||||
if r == 1 then
|
|
||||||
local offsets = {
|
|
||||||
{ x=0.7, y=0, z=0 },
|
|
||||||
{ x=-0.7, y=0, z=-0.7 },
|
|
||||||
{ x=-0.7, y=0, z=0.7 },
|
|
||||||
}
|
|
||||||
for o=1, 3 do
|
|
||||||
local pos = vector.add(self._lastpos, offsets[o])
|
|
||||||
make_child(minetest.add_entity(pos, "mobs_mc:chicken"))
|
|
||||||
end
|
|
||||||
end
|
|
||||||
end
|
|
||||||
minetest.sound_play("mcl_throwing_egg_impact", { pos = self.object:get_pos(), max_hear_distance=10, gain=0.5 }, true)
|
|
||||||
self.object:remove()
|
|
||||||
return
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
-- Destroy when hitting a mob or player (no chick spawning)
|
|
||||||
if check_object_hit(self, pos) then
|
|
||||||
minetest.sound_play("mcl_throwing_egg_impact", { pos = self.object:get_pos(), max_hear_distance=10, gain=0.5 }, true)
|
|
||||||
self.object:remove()
|
|
||||||
return
|
|
||||||
end
|
|
||||||
|
|
||||||
self._lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
|
|
||||||
end
|
|
||||||
|
|
||||||
-- Movement function of ender pearl
|
|
||||||
local pearl_on_step = function(self, dtime)
|
|
||||||
self.timer=self.timer+dtime
|
|
||||||
local pos = self.object:get_pos()
|
|
||||||
pos.y = math.floor(pos.y)
|
|
||||||
local node = minetest.get_node(pos)
|
|
||||||
local nn = node.name
|
|
||||||
local def = minetest.registered_nodes[node.name]
|
|
||||||
|
|
||||||
-- Destroy when hitting a solid node
|
|
||||||
if self._lastpos.x~=nil then
|
|
||||||
local walkable = (def and def.walkable)
|
|
||||||
|
|
||||||
-- No teleport for hitting ignore for now. Otherwise the player could get stuck.
|
|
||||||
-- FIXME: This also means the player loses an ender pearl for throwing into unloaded areas
|
|
||||||
if node.name == "ignore" then
|
|
||||||
self.object:remove()
|
|
||||||
-- Activate when hitting a solid node or a plant
|
|
||||||
elseif walkable or nn == "mcl_core:vine" or nn == "mcl_core:deadbush" or minetest.get_item_group(nn, "flower") ~= 0 or minetest.get_item_group(nn, "sapling") ~= 0 or minetest.get_item_group(nn, "plant") ~= 0 or minetest.get_item_group(nn, "mushroom") ~= 0 or not def then
|
|
||||||
local player = minetest.get_player_by_name(self._thrower)
|
|
||||||
if player then
|
|
||||||
-- Teleport and hurt player
|
|
||||||
|
|
||||||
-- First determine good teleport position
|
|
||||||
local dir = {x=0, y=0, z=0}
|
|
||||||
|
|
||||||
local v = self.object:get_velocity()
|
|
||||||
if walkable then
|
|
||||||
local vc = table.copy(v) -- vector for calculating
|
|
||||||
-- Node is walkable, we have to find a place somewhere outside of that node
|
|
||||||
vc = vector.normalize(vc)
|
|
||||||
|
|
||||||
-- Zero-out the two axes with a lower absolute value than
|
|
||||||
-- the axis with the strongest force
|
|
||||||
local lv, ld
|
|
||||||
lv, ld = math.abs(vc.y), "y"
|
|
||||||
if math.abs(vc.x) > lv then
|
|
||||||
lv, ld = math.abs(vc.x), "x"
|
|
||||||
end
|
|
||||||
if math.abs(vc.z) > lv then
|
|
||||||
lv, ld = math.abs(vc.z), "z"
|
|
||||||
end
|
|
||||||
if ld ~= "x" then vc.x = 0 end
|
|
||||||
if ld ~= "y" then vc.y = 0 end
|
|
||||||
if ld ~= "z" then vc.z = 0 end
|
|
||||||
|
|
||||||
-- Final tweaks to the teleporting pos, based on direction
|
|
||||||
-- Impact from the side
|
|
||||||
dir.x = vc.x * -1
|
|
||||||
dir.z = vc.z * -1
|
|
||||||
|
|
||||||
-- Special case: top or bottom of node
|
|
||||||
if vc.y > 0 then
|
|
||||||
-- We need more space when impact is from below
|
|
||||||
dir.y = -2.3
|
|
||||||
elseif vc.y < 0 then
|
|
||||||
-- Standing on top
|
|
||||||
dir.y = 0.5
|
|
||||||
end
|
|
||||||
end
|
|
||||||
-- If node was not walkable, no modification to pos is made.
|
|
||||||
|
|
||||||
-- Final teleportation position
|
|
||||||
local telepos = vector.add(pos, dir)
|
|
||||||
local telenode = minetest.get_node(telepos)
|
|
||||||
|
|
||||||
--[[ It may be possible that telepos is walkable due to the algorithm.
|
|
||||||
Especially when the ender pearl is faster horizontally than vertical.
|
|
||||||
This applies final fixing, just to be sure we're not in a walkable node ]]
|
|
||||||
if not minetest.registered_nodes[telenode.name] or minetest.registered_nodes[telenode.name].walkable then
|
|
||||||
if v.y < 0 then
|
|
||||||
telepos.y = telepos.y + 0.5
|
|
||||||
else
|
|
||||||
telepos.y = telepos.y - 2.3
|
|
||||||
end
|
|
||||||
end
|
|
||||||
|
|
||||||
local oldpos = player:get_pos()
|
|
||||||
-- Teleport and hurt player
|
|
||||||
player:set_pos(telepos)
|
|
||||||
player:set_hp(player:get_hp() - 5, { type = "fall", from = "mod" })
|
|
||||||
|
|
||||||
-- 5% chance to spawn endermite at the player's origin
|
|
||||||
local r = math.random(1,20)
|
|
||||||
if r == 1 then
|
|
||||||
minetest.add_entity(oldpos, "mobs_mc:endermite")
|
|
||||||
end
|
|
||||||
|
|
||||||
end
|
|
||||||
self.object:remove()
|
|
||||||
return
|
|
||||||
end
|
|
||||||
end
|
|
||||||
self._lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
|
|
||||||
end
|
|
||||||
|
|
||||||
-- Movement function of flying bobber
|
|
||||||
local flying_bobber_on_step = function(self, dtime)
|
|
||||||
self.timer=self.timer+dtime
|
|
||||||
local pos = self.object:get_pos()
|
|
||||||
local node = minetest.get_node(pos)
|
|
||||||
local def = minetest.registered_nodes[node.name]
|
|
||||||
--local player = minetest.get_player_by_name(self._thrower)
|
|
||||||
|
|
||||||
-- Destroy when hitting a solid node
|
|
||||||
if self._lastpos.x~=nil then
|
|
||||||
if (def and (def.walkable or def.liquidtype == "flowing" or def.liquidtype == "source")) or not def then
|
|
||||||
local make_child= function(object)
|
|
||||||
local ent = object:get_luaentity()
|
|
||||||
ent.player = self._thrower
|
|
||||||
ent.child = true
|
|
||||||
end
|
|
||||||
make_child(minetest.add_entity(self._lastpos, "mcl_fishing:bobber_entity"))
|
|
||||||
self.object:remove()
|
|
||||||
return
|
|
||||||
end
|
|
||||||
end
|
|
||||||
self._lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
|
|
||||||
end
|
|
||||||
|
|
||||||
snowball_ENTITY.on_step = snowball_on_step
|
|
||||||
egg_ENTITY.on_step = egg_on_step
|
|
||||||
pearl_ENTITY.on_step = pearl_on_step
|
|
||||||
flying_bobber_ENTITY.on_step = flying_bobber_on_step
|
|
||||||
|
|
||||||
minetest.register_entity("mcl_throwing:snowball_entity", snowball_ENTITY)
|
|
||||||
minetest.register_entity("mcl_throwing:egg_entity", egg_ENTITY)
|
|
||||||
minetest.register_entity("mcl_throwing:ender_pearl_entity", pearl_ENTITY)
|
|
||||||
minetest.register_entity("mcl_throwing:flying_bobber_entity", flying_bobber_ENTITY)
|
|
||||||
|
|
||||||
local how_to_throw = S("Use the punch key to throw.")
|
|
||||||
|
|
||||||
-- Snowball
|
|
||||||
minetest.register_craftitem("mcl_throwing:snowball", {
|
|
||||||
description = S("Snowball"),
|
|
||||||
_tt_help = S("Throwable"),
|
|
||||||
_doc_items_longdesc = S("Snowballs can be thrown or launched from a dispenser for fun. Hitting something with a snowball does nothing."),
|
|
||||||
_doc_items_usagehelp = how_to_throw,
|
|
||||||
inventory_image = "mcl_throwing_snowball.png",
|
|
||||||
stack_max = 16,
|
|
||||||
groups = { weapon_ranged = 1 },
|
|
||||||
on_use = player_throw_function("mcl_throwing:snowball_entity"),
|
|
||||||
_on_dispense = dispense_function,
|
|
||||||
})
|
|
||||||
|
|
||||||
-- Egg
|
|
||||||
minetest.register_craftitem("mcl_throwing:egg", {
|
|
||||||
description = S("Egg"),
|
|
||||||
_tt_help = S("Throwable").."\n"..S("Chance to hatch chicks when broken"),
|
|
||||||
_doc_items_longdesc = S("Eggs can be thrown or launched from a dispenser and breaks on impact. There is a small chance that 1 or even 4 chicks will pop out of the egg."),
|
|
||||||
_doc_items_usagehelp = how_to_throw,
|
|
||||||
inventory_image = "mcl_throwing_egg.png",
|
|
||||||
stack_max = 16,
|
|
||||||
on_use = player_throw_function("mcl_throwing:egg_entity"),
|
|
||||||
_on_dispense = dispense_function,
|
|
||||||
groups = { craftitem = 1 },
|
|
||||||
})
|
|
||||||
|
|
||||||
-- Ender Pearl
|
|
||||||
minetest.register_craftitem("mcl_throwing:ender_pearl", {
|
|
||||||
description = S("Ender Pearl"),
|
|
||||||
_tt_help = S("Throwable").."\n"..minetest.colorize("#FFFF00", S("Teleports you on impact for cost of 5 HP")),
|
|
||||||
_doc_items_longdesc = S("An ender pearl is an item which can be used for teleportation at the cost of health. It can be thrown and teleport the thrower to its impact location when it hits a solid block or a plant. Each teleportation hurts the user by 5 hit points."),
|
|
||||||
_doc_items_usagehelp = how_to_throw,
|
|
||||||
wield_image = "mcl_throwing_ender_pearl.png",
|
|
||||||
inventory_image = "mcl_throwing_ender_pearl.png",
|
|
||||||
stack_max = 16,
|
|
||||||
on_use = player_throw_function("mcl_throwing:ender_pearl_entity"),
|
|
||||||
groups = { transport = 1 },
|
|
||||||
})
|
|
||||||
|
|
||||||
|
|
@ -1,3 +1,3 @@
|
||||||
name = mcl_throwing
|
name = mcl_throwing
|
||||||
depends = mcl_fishing
|
depends = mcl_colors
|
||||||
optional_depends = mcl_core, mcl_mobitems, doc
|
optional_depends = mcl_core, mcl_mobitems, doc
|
||||||
|
|
|
||||||
335
mods/ITEMS/mcl_throwing/register.lua
Normal file
335
mods/ITEMS/mcl_throwing/register.lua
Normal file
|
|
@ -0,0 +1,335 @@
|
||||||
|
local S = minetest.get_translator(minetest.get_current_modname())
|
||||||
|
|
||||||
|
-- The snowball entity
|
||||||
|
local snowball_ENTITY={
|
||||||
|
physical = false,
|
||||||
|
timer=0,
|
||||||
|
textures = {"mcl_throwing_snowball.png"},
|
||||||
|
visual_size = {x=0.5, y=0.5},
|
||||||
|
collisionbox = {0,0,0,0,0,0},
|
||||||
|
pointable = false,
|
||||||
|
|
||||||
|
get_staticdata = get_staticdata,
|
||||||
|
on_activate = on_activate,
|
||||||
|
_thrower = nil,
|
||||||
|
|
||||||
|
_lastpos={},
|
||||||
|
}
|
||||||
|
local egg_ENTITY={
|
||||||
|
physical = false,
|
||||||
|
timer=0,
|
||||||
|
textures = {"mcl_throwing_egg.png"},
|
||||||
|
visual_size = {x=0.45, y=0.45},
|
||||||
|
collisionbox = {0,0,0,0,0,0},
|
||||||
|
pointable = false,
|
||||||
|
|
||||||
|
get_staticdata = get_staticdata,
|
||||||
|
on_activate = on_activate,
|
||||||
|
_thrower = nil,
|
||||||
|
|
||||||
|
_lastpos={},
|
||||||
|
}
|
||||||
|
-- Ender pearl entity
|
||||||
|
local pearl_ENTITY={
|
||||||
|
physical = false,
|
||||||
|
timer=0,
|
||||||
|
textures = {"mcl_throwing_ender_pearl.png"},
|
||||||
|
visual_size = {x=0.9, y=0.9},
|
||||||
|
collisionbox = {0,0,0,0,0,0},
|
||||||
|
pointable = false,
|
||||||
|
|
||||||
|
get_staticdata = get_staticdata,
|
||||||
|
on_activate = on_activate,
|
||||||
|
|
||||||
|
_lastpos={},
|
||||||
|
_thrower = nil, -- Player ObjectRef of the player who threw the ender pearl
|
||||||
|
}
|
||||||
|
|
||||||
|
local check_object_hit = function(self, pos, dmg)
|
||||||
|
for _,object in pairs(minetest.get_objects_inside_radius(pos, 1.5)) do
|
||||||
|
|
||||||
|
local entity = object:get_luaentity()
|
||||||
|
|
||||||
|
if entity
|
||||||
|
and entity.name ~= self.object:get_luaentity().name then
|
||||||
|
|
||||||
|
if object:is_player() and self._thrower ~= object:get_player_name() then
|
||||||
|
-- TODO: Deal knockback
|
||||||
|
self.object:remove()
|
||||||
|
return true
|
||||||
|
elseif (entity._cmi_is_mob == true or entity._hittable_by_projectile) and (self._thrower ~= object) then
|
||||||
|
-- FIXME: Knockback is broken
|
||||||
|
object:punch(self.object, 1.0, {
|
||||||
|
full_punch_interval = 1.0,
|
||||||
|
damage_groups = dmg,
|
||||||
|
}, nil)
|
||||||
|
return true
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
return false
|
||||||
|
end
|
||||||
|
|
||||||
|
local snowball_particles = function(pos, vel)
|
||||||
|
local vel = vector.normalize(vector.multiply(vel, -1))
|
||||||
|
minetest.add_particlespawner({
|
||||||
|
amount = 20,
|
||||||
|
time = 0.001,
|
||||||
|
minpos = pos,
|
||||||
|
maxpos = pos,
|
||||||
|
minvel = vector.add({x=-2, y=3, z=-2}, vel),
|
||||||
|
maxvel = vector.add({x=2, y=5, z=2}, vel),
|
||||||
|
minacc = {x=0, y=-9.81, z=0},
|
||||||
|
maxacc = {x=0, y=-9.81, z=0},
|
||||||
|
minexptime = 1,
|
||||||
|
maxexptime = 3,
|
||||||
|
minsize = 0.7,
|
||||||
|
maxsize = 0.7,
|
||||||
|
collisiondetection = true,
|
||||||
|
collision_removal = true,
|
||||||
|
object_collision = false,
|
||||||
|
texture = "weather_pack_snow_snowflake"..math.random(1,2)..".png",
|
||||||
|
})
|
||||||
|
end
|
||||||
|
|
||||||
|
-- Snowball on_step()--> called when snowball is moving.
|
||||||
|
local snowball_on_step = function(self, dtime)
|
||||||
|
self.timer=self.timer+dtime
|
||||||
|
local pos = self.object:get_pos()
|
||||||
|
local vel = self.object:get_velocity()
|
||||||
|
local node = minetest.get_node(pos)
|
||||||
|
local def = minetest.registered_nodes[node.name]
|
||||||
|
|
||||||
|
|
||||||
|
-- Destroy when hitting a solid node
|
||||||
|
if self._lastpos.x~=nil then
|
||||||
|
if (def and def.walkable) or not def then
|
||||||
|
minetest.sound_play("mcl_throwing_snowball_impact_hard", { pos = pos, max_hear_distance=16, gain=0.7 }, true)
|
||||||
|
snowball_particles(self._lastpos, vel)
|
||||||
|
self.object:remove()
|
||||||
|
return
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
if check_object_hit(self, pos, {snowball_vulnerable = 3}) then
|
||||||
|
minetest.sound_play("mcl_throwing_snowball_impact_soft", { pos = pos, max_hear_distance=16, gain=0.7 }, true)
|
||||||
|
snowball_particles(pos, vel)
|
||||||
|
self.object:remove()
|
||||||
|
return
|
||||||
|
end
|
||||||
|
|
||||||
|
self._lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set _lastpos-->Node will be added at last pos outside the node
|
||||||
|
end
|
||||||
|
|
||||||
|
-- Movement function of egg
|
||||||
|
local egg_on_step = function(self, dtime)
|
||||||
|
self.timer=self.timer+dtime
|
||||||
|
local pos = self.object:get_pos()
|
||||||
|
local node = minetest.get_node(pos)
|
||||||
|
local def = minetest.registered_nodes[node.name]
|
||||||
|
|
||||||
|
-- Destroy when hitting a solid node with chance to spawn chicks
|
||||||
|
if self._lastpos.x~=nil then
|
||||||
|
if (def and def.walkable) or not def then
|
||||||
|
-- 1/8 chance to spawn a chick
|
||||||
|
-- FIXME: Chicks have a quite good chance to spawn in walls
|
||||||
|
local r = math.random(1,8)
|
||||||
|
|
||||||
|
-- Turn given object into a child
|
||||||
|
local make_child= function(object)
|
||||||
|
local ent = object:get_luaentity()
|
||||||
|
object:set_properties({
|
||||||
|
visual_size = { x = ent.base_size.x/2, y = ent.base_size.y/2 },
|
||||||
|
collisionbox = {
|
||||||
|
ent.base_colbox[1]/2,
|
||||||
|
ent.base_colbox[2]/2,
|
||||||
|
ent.base_colbox[3]/2,
|
||||||
|
ent.base_colbox[4]/2,
|
||||||
|
ent.base_colbox[5]/2,
|
||||||
|
ent.base_colbox[6]/2,
|
||||||
|
}
|
||||||
|
})
|
||||||
|
ent.child = true
|
||||||
|
end
|
||||||
|
if r == 1 then
|
||||||
|
make_child(minetest.add_entity(self._lastpos, "mobs_mc:chicken"))
|
||||||
|
|
||||||
|
-- BONUS ROUND: 1/32 chance to spawn 3 additional chicks
|
||||||
|
local r = math.random(1,32)
|
||||||
|
if r == 1 then
|
||||||
|
local offsets = {
|
||||||
|
{ x=0.7, y=0, z=0 },
|
||||||
|
{ x=-0.7, y=0, z=-0.7 },
|
||||||
|
{ x=-0.7, y=0, z=0.7 },
|
||||||
|
}
|
||||||
|
for o=1, 3 do
|
||||||
|
local pos = vector.add(self._lastpos, offsets[o])
|
||||||
|
make_child(minetest.add_entity(pos, "mobs_mc:chicken"))
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
minetest.sound_play("mcl_throwing_egg_impact", { pos = self.object:get_pos(), max_hear_distance=10, gain=0.5 }, true)
|
||||||
|
self.object:remove()
|
||||||
|
return
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
-- Destroy when hitting a mob or player (no chick spawning)
|
||||||
|
if check_object_hit(self, pos) then
|
||||||
|
minetest.sound_play("mcl_throwing_egg_impact", { pos = self.object:get_pos(), max_hear_distance=10, gain=0.5 }, true)
|
||||||
|
self.object:remove()
|
||||||
|
return
|
||||||
|
end
|
||||||
|
|
||||||
|
self._lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
|
||||||
|
end
|
||||||
|
|
||||||
|
-- Movement function of ender pearl
|
||||||
|
local pearl_on_step = function(self, dtime)
|
||||||
|
self.timer=self.timer+dtime
|
||||||
|
local pos = self.object:get_pos()
|
||||||
|
pos.y = math.floor(pos.y)
|
||||||
|
local node = minetest.get_node(pos)
|
||||||
|
local nn = node.name
|
||||||
|
local def = minetest.registered_nodes[node.name]
|
||||||
|
|
||||||
|
-- Destroy when hitting a solid node
|
||||||
|
if self._lastpos.x~=nil then
|
||||||
|
local walkable = (def and def.walkable)
|
||||||
|
|
||||||
|
-- No teleport for hitting ignore for now. Otherwise the player could get stuck.
|
||||||
|
-- FIXME: This also means the player loses an ender pearl for throwing into unloaded areas
|
||||||
|
if node.name == "ignore" then
|
||||||
|
self.object:remove()
|
||||||
|
-- Activate when hitting a solid node or a plant
|
||||||
|
elseif walkable or nn == "mcl_core:vine" or nn == "mcl_core:deadbush" or minetest.get_item_group(nn, "flower") ~= 0 or minetest.get_item_group(nn, "sapling") ~= 0 or minetest.get_item_group(nn, "plant") ~= 0 or minetest.get_item_group(nn, "mushroom") ~= 0 or not def then
|
||||||
|
local player = minetest.get_player_by_name(self._thrower)
|
||||||
|
if player then
|
||||||
|
-- Teleport and hurt player
|
||||||
|
|
||||||
|
-- First determine good teleport position
|
||||||
|
local dir = {x=0, y=0, z=0}
|
||||||
|
|
||||||
|
local v = self.object:get_velocity()
|
||||||
|
if walkable then
|
||||||
|
local vc = table.copy(v) -- vector for calculating
|
||||||
|
-- Node is walkable, we have to find a place somewhere outside of that node
|
||||||
|
vc = vector.normalize(vc)
|
||||||
|
|
||||||
|
-- Zero-out the two axes with a lower absolute value than
|
||||||
|
-- the axis with the strongest force
|
||||||
|
local lv, ld
|
||||||
|
lv, ld = math.abs(vc.y), "y"
|
||||||
|
if math.abs(vc.x) > lv then
|
||||||
|
lv, ld = math.abs(vc.x), "x"
|
||||||
|
end
|
||||||
|
if math.abs(vc.z) > lv then
|
||||||
|
lv, ld = math.abs(vc.z), "z"
|
||||||
|
end
|
||||||
|
if ld ~= "x" then vc.x = 0 end
|
||||||
|
if ld ~= "y" then vc.y = 0 end
|
||||||
|
if ld ~= "z" then vc.z = 0 end
|
||||||
|
|
||||||
|
-- Final tweaks to the teleporting pos, based on direction
|
||||||
|
-- Impact from the side
|
||||||
|
dir.x = vc.x * -1
|
||||||
|
dir.z = vc.z * -1
|
||||||
|
|
||||||
|
-- Special case: top or bottom of node
|
||||||
|
if vc.y > 0 then
|
||||||
|
-- We need more space when impact is from below
|
||||||
|
dir.y = -2.3
|
||||||
|
elseif vc.y < 0 then
|
||||||
|
-- Standing on top
|
||||||
|
dir.y = 0.5
|
||||||
|
end
|
||||||
|
end
|
||||||
|
-- If node was not walkable, no modification to pos is made.
|
||||||
|
|
||||||
|
-- Final teleportation position
|
||||||
|
local telepos = vector.add(pos, dir)
|
||||||
|
local telenode = minetest.get_node(telepos)
|
||||||
|
|
||||||
|
--[[ It may be possible that telepos is walkable due to the algorithm.
|
||||||
|
Especially when the ender pearl is faster horizontally than vertical.
|
||||||
|
This applies final fixing, just to be sure we're not in a walkable node ]]
|
||||||
|
if not minetest.registered_nodes[telenode.name] or minetest.registered_nodes[telenode.name].walkable then
|
||||||
|
if v.y < 0 then
|
||||||
|
telepos.y = telepos.y + 0.5
|
||||||
|
else
|
||||||
|
telepos.y = telepos.y - 2.3
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
local oldpos = player:get_pos()
|
||||||
|
-- Teleport and hurt player
|
||||||
|
player:set_pos(telepos)
|
||||||
|
player:set_hp(player:get_hp() - 5, { type = "fall", from = "mod" })
|
||||||
|
|
||||||
|
-- 5% chance to spawn endermite at the player's origin
|
||||||
|
local r = math.random(1,20)
|
||||||
|
if r == 1 then
|
||||||
|
minetest.add_entity(oldpos, "mobs_mc:endermite")
|
||||||
|
end
|
||||||
|
|
||||||
|
end
|
||||||
|
self.object:remove()
|
||||||
|
return
|
||||||
|
end
|
||||||
|
end
|
||||||
|
self._lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
|
||||||
|
end
|
||||||
|
|
||||||
|
snowball_ENTITY.on_step = snowball_on_step
|
||||||
|
egg_ENTITY.on_step = egg_on_step
|
||||||
|
pearl_ENTITY.on_step = pearl_on_step
|
||||||
|
|
||||||
|
minetest.register_entity("mcl_throwing:snowball_entity", snowball_ENTITY)
|
||||||
|
minetest.register_entity("mcl_throwing:egg_entity", egg_ENTITY)
|
||||||
|
minetest.register_entity("mcl_throwing:ender_pearl_entity", pearl_ENTITY)
|
||||||
|
|
||||||
|
|
||||||
|
local how_to_throw = S("Use the punch key to throw.")
|
||||||
|
|
||||||
|
-- Snowball
|
||||||
|
minetest.register_craftitem("mcl_throwing:snowball", {
|
||||||
|
description = S("Snowball"),
|
||||||
|
_tt_help = S("Throwable"),
|
||||||
|
_doc_items_longdesc = S("Snowballs can be thrown or launched from a dispenser for fun. Hitting something with a snowball does nothing."),
|
||||||
|
_doc_items_usagehelp = how_to_throw,
|
||||||
|
inventory_image = "mcl_throwing_snowball.png",
|
||||||
|
stack_max = 16,
|
||||||
|
groups = { weapon_ranged = 1 },
|
||||||
|
on_use = mcl_throwing.get_player_throw_function("mcl_throwing:snowball_entity"),
|
||||||
|
_on_dispense = mcl_throwing.dispense_function,
|
||||||
|
})
|
||||||
|
|
||||||
|
-- Egg
|
||||||
|
minetest.register_craftitem("mcl_throwing:egg", {
|
||||||
|
description = S("Egg"),
|
||||||
|
_tt_help = S("Throwable").."\n"..S("Chance to hatch chicks when broken"),
|
||||||
|
_doc_items_longdesc = S("Eggs can be thrown or launched from a dispenser and breaks on impact. There is a small chance that 1 or even 4 chicks will pop out of the egg."),
|
||||||
|
_doc_items_usagehelp = how_to_throw,
|
||||||
|
inventory_image = "mcl_throwing_egg.png",
|
||||||
|
stack_max = 16,
|
||||||
|
on_use = mcl_throwing.get_player_throw_function("mcl_throwing:egg_entity"),
|
||||||
|
_on_dispense = mcl_throwing.dispense_function,
|
||||||
|
groups = { craftitem = 1 },
|
||||||
|
})
|
||||||
|
|
||||||
|
-- Ender Pearl
|
||||||
|
minetest.register_craftitem("mcl_throwing:ender_pearl", {
|
||||||
|
description = S("Ender Pearl"),
|
||||||
|
_tt_help = S("Throwable").."\n"..minetest.colorize(mcl_colors.YELLOW, S("Teleports you on impact for cost of 5 HP")),
|
||||||
|
_doc_items_longdesc = S("An ender pearl is an item which can be used for teleportation at the cost of health. It can be thrown and teleport the thrower to its impact location when it hits a solid block or a plant. Each teleportation hurts the user by 5 hit points."),
|
||||||
|
_doc_items_usagehelp = how_to_throw,
|
||||||
|
wield_image = "mcl_throwing_ender_pearl.png",
|
||||||
|
inventory_image = "mcl_throwing_ender_pearl.png",
|
||||||
|
stack_max = 16,
|
||||||
|
on_use = mcl_throwing.get_player_throw_function("mcl_throwing:ender_pearl_entity"),
|
||||||
|
groups = { transport = 1 },
|
||||||
|
})
|
||||||
|
|
||||||
|
mcl_throwing.register_throwable_object("mcl_throwing:snowball", "mcl_throwing:snowball_entity", 22)
|
||||||
|
mcl_throwing.register_throwable_object("mcl_throwing:egg", "mcl_throwing:egg_entity", 22)
|
||||||
|
mcl_throwing.register_throwable_object("mcl_throwing:ender_pearl", "mcl_throwing:ender_pearl_entity", 22)
|
||||||
Loading…
Reference in a new issue