forked from VoxeLibre/VoxeLibre
Create vl_projectile and refactor snowball and partially refactor ender pearl
This commit is contained in:
parent
a499d292f8
commit
f46b99772b
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@ -17,21 +17,18 @@ function mcl_throwing.register_throwable_object(name, entity, velocity)
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end
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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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velocity = velocities[throw_item]
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end
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if velocity == nil then
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velocity = 22
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end
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velocity = velocity or velocities[throw_item] or 22
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minetest.sound_play("mcl_throwing_throw", {pos=pos, gain=0.4, max_hear_distance=16}, true)
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local itemstring = ItemStack(throw_item):get_name()
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local obj = minetest.add_entity(pos, entity_mapping[itemstring])
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obj:set_velocity({x=dir.x*velocity, y=dir.y*velocity, z=dir.z*velocity})
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obj:set_acceleration({x=dir.x*-3, y=-GRAVITY, z=dir.z*-3})
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if thrower then
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local obj = vl_projectile.create(entity_mapping[itemstring], {
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pos = pos,
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owner = thrower,
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dir = dir,
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velocity = velocity,
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drag = 3,
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})
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obj:get_luaentity()._thrower = thrower
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end
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return obj
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end
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@ -71,6 +68,7 @@ end
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function mcl_throwing.on_activate(self, staticdata, dtime_s)
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local data = minetest.deserialize(staticdata)
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self._staticdata = data
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if data then
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self._lastpos = data._lastpos
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self._thrower = data._thrower
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@ -1,3 +1,3 @@
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name = mcl_throwing
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depends = mcl_colors
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depends = mcl_colors, vl_projectile
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optional_depends = mcl_core, mcl_mobitems, doc, mcl_target
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@ -6,75 +6,6 @@ local vector = vector
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local mod_target = minetest.get_modpath("mcl_target")
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-- The snowball entity
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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 = mcl_throwing.get_staticdata,
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on_activate = mcl_throwing.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 = mcl_throwing.get_staticdata,
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on_activate = mcl_throwing.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 = mcl_throwing.get_staticdata,
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on_activate = mcl_throwing.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 function check_object_hit(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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self.object:remove()
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return true
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elseif (entity.is_mob == true or entity._hittable_by_projectile) and (self._thrower ~= object) then
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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 function snowball_particles(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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@ -96,114 +27,102 @@ local function snowball_particles(pos, vel)
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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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minetest.register_entity("mcl_throwing: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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-- Snowball on_step()--> called when snowball is moving.
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local function snowball_on_step(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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get_staticdata = mcl_throwing.get_staticdata,
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on_activate = mcl_throwing.on_activate,
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_thrower = nil,
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_lastpos = nil,
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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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_vl_projectile = {
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behaviors = {
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vl_projectile.collides_with_solids,
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vl_projectile.collides_with_entities,
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},
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on_collide_with_solid = function(self, pos, node)
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if mod_target and node.name == "mcl_target:target_off" then
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mcl_target.hit(vector.round(pos), 0.4) --4 redstone ticks
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end
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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 function egg_on_step(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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snowball_particles(self._last_pos or pos, self.object:get_velocity())
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end,
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on_collide_with_entity = function(self, pos, entity)
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snowball_particles(self._last_pos or pos, self.object:get_velocity())
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end,
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sounds = {
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on_solid_collision = {"mcl_throwing_snowball_impact_hard", { max_hear_distance=16, gain=0.7 }, true},
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on_entity_collision = {"mcl_throwing_snowball_impact_soft", { max_hear_distance=16, gain=0.7 }, true}
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},
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damage_groups = { snowball_vulnerable = 3 },
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},
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on_step = vl_projectile.update_projectile,
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})
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-- Destroy when hitting a solid node with chance to spawn chicks
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if self._lastpos.x 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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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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if r == 1 then
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mcl_mobs.spawn_child(self._lastpos, "mobs_mc:chicken")
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get_staticdata = mcl_throwing.get_staticdata,
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on_activate = mcl_throwing.on_activate,
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_thrower = nil,
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-- BONUS ROUND: 1/32 chance to spawn 3 additional chicks
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local r = math.random(1,32)
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if r == 1 then
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local offsets = {
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{ x=0.7, y=0, z=0 },
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{ x=-0.7, y=0, z=-0.7 },
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{ x=-0.7, y=0, z=0.7 },
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}
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for o=1, 3 do
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local pos = vector.add(self._lastpos, offsets[o])
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mcl_mobs.spawn_child(pos, "mobs_mc:chicken")
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end
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end
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end
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minetest.sound_play("mcl_throwing_egg_impact", { pos = self.object:get_pos(), max_hear_distance=10, gain=0.5 }, true)
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self.object:remove()
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_lastpos={},
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}
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-- Ender pearl entity
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minetest.register_entity("mcl_throwing:ender_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 = mcl_throwing.get_staticdata,
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on_activate = mcl_throwing.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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_vl_projectile = {
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behaviors = {
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vl_projectile.collides_with_solids,
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},
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collides_with = {
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"mcl_core:vine", "mcl_core:deadbush",
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"group:flower", "group:sapling",
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"group:plant", "group:mushroom",
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},
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on_collide_with_solid = function(self, pos, node)
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if mod_target and node.name == "mcl_target:target_off" then
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mcl_target.hit(vector.round(pos), 0.4) --4 redstone ticks
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end
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return
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end
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end
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-- Destroy when hitting a mob or player (no chick spawning)
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if check_object_hit(self, pos, 0) then
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minetest.sound_play("mcl_throwing_egg_impact", { pos = self.object:get_pos(), max_hear_distance=10, gain=0.5 }, true)
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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 ender pearl
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local function pearl_on_step(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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pos.y = math.floor(pos.y)
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local node = minetest.get_node(pos)
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local nn = node.name
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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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local walkable = (def and def.walkable)
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-- No teleport for hitting ignore for now. Otherwise the player could get stuck.
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-- FIXME: This also means the player loses an ender pearl for throwing into unloaded areas
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if node.name == "ignore" then
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self.object:remove()
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-- Activate when hitting a solid node or a plant
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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
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-- FIXME: This also means the player loses an ender pearl for throwing into unloaded areas
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return
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end
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-- Make sure we have a reference to the player
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local player = self._thrower and minetest.get_player_by_name(self._thrower)
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if player then
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if not player then return end
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-- Teleport and hurt player
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-- First determine good teleport position
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local dir = {x=0, y=0, z=0}
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local v = self.object:get_velocity()
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if walkable then
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if node_def and node_def.walkable then
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local vc = table.copy(v) -- vector for calculating
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-- Node is walkable, we have to find a place somewhere outside of that node
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vc = vector.normalize(vc)
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@ -263,8 +182,67 @@ local function pearl_on_step(self, dtime)
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if r == 1 then
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minetest.add_entity(oldpos, "mobs_mc:endermite")
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end
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end
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},
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on_step = vl_projectile.update_projectile,
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})
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local function check_object_hit(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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self.object:remove()
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return true
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elseif (entity.is_mob == true or entity._hittable_by_projectile) and (self._thrower ~= object) then
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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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-- Movement function of egg
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local function egg_on_step(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 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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if r == 1 then
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mcl_mobs.spawn_child(self._lastpos, "mobs_mc:chicken")
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-- BONUS ROUND: 1/32 chance to spawn 3 additional chicks
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local r = math.random(1,32)
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if r == 1 then
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local offsets = {
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{ x=0.7, y=0, z=0 },
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{ x=-0.7, y=0, z=-0.7 },
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{ x=-0.7, y=0, z=0.7 },
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}
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for o=1, 3 do
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local pos = vector.add(self._lastpos, offsets[o])
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mcl_mobs.spawn_child(pos, "mobs_mc:chicken")
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end
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end
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end
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minetest.sound_play("mcl_throwing_egg_impact", { pos = self.object:get_pos(), max_hear_distance=10, gain=0.5 }, true)
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self.object:remove()
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if mod_target and node.name == "mcl_target:target_off" then
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mcl_target.hit(vector.round(pos), 0.4) --4 redstone ticks
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@ -272,17 +250,20 @@ local function pearl_on_step(self, dtime)
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return
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end
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end
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-- Destroy when hitting a mob or player (no chick spawning)
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if check_object_hit(self, pos, 0) then
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minetest.sound_play("mcl_throwing_egg_impact", { pos = self.object:get_pos(), max_hear_distance=10, gain=0.5 }, true)
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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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snowball_ENTITY.on_step = snowball_on_step
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egg_ENTITY.on_step = egg_on_step
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pearl_ENTITY.on_step = pearl_on_step
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minetest.register_entity("mcl_throwing:snowball_entity", snowball_ENTITY)
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minetest.register_entity("mcl_throwing:egg_entity", egg_ENTITY)
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minetest.register_entity("mcl_throwing:ender_pearl_entity", pearl_ENTITY)
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local how_to_throw = S("Use the punch key to throw.")
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