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https://git.minetest.land/MineClone2/MineClone2.git
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Start mcl_bows:arrow_entity refactor
This commit is contained in:
teknomunk
parent
21465e4efc
commit
3961a32fb4
@ -56,44 +56,6 @@ S("Arrows might get stuck on solid blocks and can be retrieved again. They are a
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end,
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})
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local ARROW_ENTITY={
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physical = true,
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pointable = false,
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visual = "mesh",
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mesh = "mcl_bows_arrow.obj",
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visual_size = {x=-1, y=1},
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textures = {"mcl_bows_arrow.png"},
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collisionbox = {-0.19, -0.125, -0.19, 0.19, 0.125, 0.19},
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collide_with_objects = false,
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_fire_damage_resistant = true,
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_lastpos={},
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_startpos=nil,
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_damage=1, -- Damage on impact
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_is_critical=false, -- Whether this arrow would deal critical damage
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_stuck=false, -- Whether arrow is stuck
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_stucktimer=nil,-- Amount of time (in seconds) the arrow has been stuck so far
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_stuckrechecktimer=nil,-- An additional timer for periodically re-checking the stuck status of an arrow
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_stuckin=nil, --Position of node in which arow is stuck.
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_shooter=nil, -- ObjectRef of player or mob who shot it
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_is_arrow = true,
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_in_player = false,
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_blocked = false,
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_viscosity=0, -- Viscosity of node the arrow is currently in
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_deflection_cooloff=0, -- Cooloff timer after an arrow deflection, to prevent many deflections in quick succession
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}
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-- Destroy arrow entity self at pos and drops it as an item
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local function spawn_item(self, pos)
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if not minetest.is_creative_enabled("") then
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local item = minetest.add_item(pos, "mcl_bows:arrow")
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item:set_velocity(vector.new(0, 0, 0))
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item:set_yaw(self.object:get_yaw())
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end
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mcl_burning.extinguish(self.object)
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self.object:remove()
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end
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local function damage_particles(pos, is_critical)
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if is_critical then
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minetest.add_particlespawner({
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@ -114,18 +76,18 @@ local function damage_particles(pos, is_critical)
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end
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end
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function ARROW_ENTITY.on_step(self, dtime)
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mcl_burning.tick(self.object, dtime, self)
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-- mcl_burning.tick may remove object immediately
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if not self.object:get_pos() then return end
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-- Destroy arrow entity self at pos and drops it as an item
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local function spawn_item(self, pos)
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if not minetest.is_creative_enabled("") then
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local item = minetest.add_item(pos, "mcl_bows:arrow")
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item:set_velocity(vector.new(0, 0, 0))
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item:set_yaw(self.object:get_yaw())
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end
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mcl_burning.extinguish(self.object)
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self.object:remove()
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end
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self._time_in_air = self._time_in_air + .001
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local pos = self.object:get_pos()
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local dpos = vector.round(vector.new(pos)) -- digital pos
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local node = minetest.get_node(dpos)
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if self._stuck then
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local function stuck_arrow_on_step(self, dtime)
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self._stucktimer = self._stucktimer + dtime
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self._stuckrechecktimer = self._stuckrechecktimer + dtime
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if self._stucktimer > ARROW_TIMEOUT then
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@ -133,6 +95,9 @@ function ARROW_ENTITY.on_step(self, dtime)
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self.object:remove()
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return
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end
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local pos = self.object:get_pos()
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-- Drop arrow as item when it is no longer stuck
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-- FIXME: Arrows are a bit slow to react and continue to float in mid air for a few seconds.
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if self._stuckrechecktimer > STUCK_RECHECK_TIME then
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@ -147,6 +112,7 @@ function ARROW_ENTITY.on_step(self, dtime)
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end
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self._stuckrechecktimer = 0
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end
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-- Pickup arrow if player is nearby (not in Creative Mode)
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local objects = minetest.get_objects_inside_radius(pos, 1)
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for _,obj in ipairs(objects) do
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@ -166,74 +132,129 @@ function ARROW_ENTITY.on_step(self, dtime)
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return
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end
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end
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end
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-- Check for object "collision". Done every tick (hopefully this is not too stressing)
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vl_projectile.register("mcl_bows:arrow_entity", {
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physical = true,
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pointable = false,
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visual = "mesh",
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mesh = "mcl_bows_arrow.obj",
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visual_size = {x=-1, y=1},
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textures = {"mcl_bows_arrow.png"},
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collisionbox = {-0.19, -0.125, -0.19, 0.19, 0.125, 0.19},
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collide_with_objects = false,
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_fire_damage_resistant = true,
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_save_fields = {
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"last_pos", "startpos", "damage", "is_critical", "stuck", "stuckin", "stuckin_player",
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},
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_startpos=nil,
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_damage=1, -- Damage on impact
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_is_critical=false, -- Whether this arrow would deal critical damage
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_stuck=false, -- Whether arrow is stuck
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_stucktimer=nil,-- Amount of time (in seconds) the arrow has been stuck so far
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_stuckrechecktimer=nil,-- An additional timer for periodically re-checking the stuck status of an arrow
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_stuckin=nil, --Position of node in which arow is stuck.
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_shooter=nil, -- ObjectRef of player or mob who shot it
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_is_arrow = true,
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_in_player = false,
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_blocked = false,
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_viscosity=0, -- Viscosity of node the arrow is currently in
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_deflection_cooloff=0, -- Cooloff timer after an arrow deflection, to prevent many deflections in quick succession
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_vl_projectile = {
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survive_collision = true,
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behaviors = {
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vl_projectile.raycast_collides_with_entities,
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vl_projectile.collides_with_solids,
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},
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on_collide_with_solid = function(self, pos, node, node_def)
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local def = node_def
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local vel = self.object:get_velocity()
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local dpos = vector.round(vector.new(pos)) -- digital pos
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-- Check for the node to which the arrow is pointing
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local dir
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if math.abs(vel.y) < 0.00001 then
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if self._last_pos.y < pos.y then
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dir = vector.new(0, 1, 0)
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else
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dir = vector.new(0, -1, 0)
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end
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else
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dir = minetest.facedir_to_dir(minetest.dir_to_facedir(minetest.yaw_to_dir(self.object:get_yaw()-YAW_OFFSET)))
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end
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self._stuckin = vector.add(dpos, dir)
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local snode = minetest.get_node(self._stuckin)
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local sdef = minetest.registered_nodes[snode.name]
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if self._damage >= 9 and self._in_player == false then
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minetest.add_particlespawner({
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amount = 20,
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time = .2,
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minpos = vector.new(0,0,0),
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maxpos = vector.new(0,0,0),
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minvel = vector.new(-0.1,-0.1,-0.1),
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maxvel = vector.new(0.1,0.1,0.1),
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minexptime = 0.5,
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maxexptime = 0.5,
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minsize = 2,
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maxsize = 2,
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attached = self.object,
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collisiondetection = false,
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vertical = false,
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texture = "mobs_mc_arrow_particle.png",
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glow = 1,
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})
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-- If node is non-walkable, unknown or ignore, don't make arrow stuck.
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-- This causes a deflection in the engine.
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if not sdef or sdef.walkable == false or snode.name == "ignore" then
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self._stuckin = nil
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if self._deflection_cooloff <= 0 then
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-- Lose 1/3 of velocity on deflection
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local newvel = vector.multiply(vel, 0.6667)
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self.object:set_velocity(newvel)
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-- Reset deflection cooloff timer to prevent many deflections happening in quick succession
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self._deflection_cooloff = 1.0
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end
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return
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end
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local closest_object
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local closest_distance
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-- Node was walkable, make arrow stuck
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self._stuck = true
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self._stucktimer = 0
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self._stuckrechecktimer = 0
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if self._deflection_cooloff > 0 then
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self._deflection_cooloff = self._deflection_cooloff - dtime
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self.object:set_velocity(vector.new(0, 0, 0))
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self.object:set_acceleration(vector.new(0, 0, 0))
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minetest.sound_play({name="mcl_bows_hit_other", gain=0.3}, {pos=self.object:get_pos(), max_hear_distance=16}, true)
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if mcl_burning.is_burning(self.object) and snode.name == "mcl_tnt:tnt" then
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tnt.ignite(self._stuckin)
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end
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local arrow_dir = self.object:get_velocity()
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--create a raycast from the arrow based on the velocity of the arrow to deal with lag
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local raycast = minetest.raycast(pos, vector.add(pos, vector.multiply(arrow_dir, 0.1)), true, false)
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for hitpoint in raycast do
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if hitpoint.type == "object" then
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-- find the closest object that is in the way of the arrow
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local ok = false
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if hitpoint.ref:is_player() and enable_pvp then
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ok = true
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elseif not hitpoint.ref:is_player() and hitpoint.ref:get_luaentity() then
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if (hitpoint.ref:get_luaentity().is_mob or hitpoint.ref:get_luaentity()._hittable_by_projectile) then
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ok = true
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end
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end
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if ok then
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local dist = vector.distance(hitpoint.ref:get_pos(), pos)
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if not closest_object or not closest_distance then
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closest_object = hitpoint.ref
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closest_distance = dist
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elseif dist < closest_distance then
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closest_object = hitpoint.ref
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closest_distance = dist
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end
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end
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end
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-- Ignite Campfires
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if mod_campfire and mcl_burning.is_burning(self.object) and minetest.get_item_group(snode.name, "campfire") ~= 0 then
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mcl_campfires.light_campfire(self._stuckin)
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end
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if closest_object then
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local obj = closest_object
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-- Activate target
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if mod_target and snode.name == "mcl_target:target_off" then
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mcl_target.hit(self._stuckin, 1) --10 redstone ticks
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end
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-- Push the button! Push, push, push the button!
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if mod_button and minetest.get_item_group(node.name, "button") > 0 and minetest.get_item_group(node.name, "button_push_by_arrow") == 1 then
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local bdir = minetest.wallmounted_to_dir(node.param2)
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-- Check the button orientation
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if vector.equals(vector.add(dpos, bdir), self._stuckin) then
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mesecon.push_button(dpos, node)
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end
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end
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end,
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on_collide_with_entity = function(self, pos, obj)
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local is_player = obj:is_player()
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local lua = obj:get_luaentity()
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if obj == self._shooter and self._time_in_air > 1.02 or obj ~= self._shooter and (is_player or (lua and (lua.is_mob or lua._hittable_by_projectile))) then
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-- Make sure collision is valid
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if obj == self._shooter then
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if self._time_in_air < 1.02 then return end
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else
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if not (is_player or (lua and (lua.is_mob or lua._hittable_by_projectile))) then
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return
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end
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end
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if obj:get_hp() > 0 then
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-- Check if there is no solid node between arrow and object
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local ray = minetest.raycast(self.object:get_pos(), obj:get_pos(), true)
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for pointed_thing in ray do
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if pointed_thing.type == "object" and pointed_thing.ref == closest_object then
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if pointed_thing.type == "object" and pointed_thing.ref == obj then
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-- Target reached! We can proceed now.
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break
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elseif pointed_thing.type == "node" then
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@ -257,10 +278,11 @@ function ARROW_ENTITY.on_step(self, dtime)
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mcl_burning.set_on_fire(obj, 5)
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end
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if not self._in_player and not self._blocked then
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mcl_util.deal_damage(obj, self._damage, {type = "arrow", source = self._shooter, direct = self.object})
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if self._extra_hit_func then
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self._extra_hit_func(obj)
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end
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obj:punch(self.object, 1.0, {
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full_punch_interval=1.0,
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damage_groups={fleshy=self._damage},
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}, self.object:get_velocity())
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if obj:is_player() then
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if not mcl_shields.is_blocking(obj) then
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local placement
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@ -312,7 +334,6 @@ function ARROW_ENTITY.on_step(self, dtime)
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end
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end
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if is_player then
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if self._shooter and self._shooter:is_player() and not self._in_player and not self._blocked then
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-- “Ding” sound for hitting another player
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@ -335,95 +356,65 @@ function ARROW_ENTITY.on_step(self, dtime)
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minetest.sound_play({name="mcl_bows_hit_other", gain=0.3}, {pos=self.object:get_pos(), max_hear_distance=16}, true)
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end
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end
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if not obj:is_player() then
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mcl_burning.extinguish(self.object)
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if self._piercing == 0 then
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self.object:remove()
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end
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end
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return
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end
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end
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},
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on_step = function(self, dtime)
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mcl_burning.tick(self.object, dtime, self)
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-- mcl_burning.tick may remove object immediately
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if not self.object:get_pos() then return end
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self._time_in_air = self._time_in_air + dtime
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local pos = self.object:get_pos()
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local dpos = vector.round(vector.new(pos)) -- digital pos
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local node = minetest.get_node(dpos)
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if self._stuck then
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return stuck_arrow_on_step(self, dtime)
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end
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-- Check for node collision
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if self._lastpos.x~=nil and not self._stuck then
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local def = minetest.registered_nodes[node.name]
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local vel = self.object:get_velocity()
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-- Arrow has stopped in one axis, so it probably hit something.
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-- This detection is a bit clunky, but sadly, MT does not offer a direct collision detection for us. :-(
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if (math.abs(vel.x) < 0.0001) or (math.abs(vel.z) < 0.0001) or (math.abs(vel.y) < 0.00001) then
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-- Check for the node to which the arrow is pointing
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local dir
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if math.abs(vel.y) < 0.00001 then
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if self._lastpos.y < pos.y then
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dir = vector.new(0, 1, 0)
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else
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dir = vector.new(0, -1, 0)
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end
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else
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dir = minetest.facedir_to_dir(minetest.dir_to_facedir(minetest.yaw_to_dir(self.object:get_yaw()-YAW_OFFSET)))
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end
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self._stuckin = vector.add(dpos, dir)
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local snode = minetest.get_node(self._stuckin)
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local sdef = minetest.registered_nodes[snode.name]
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-- If node is non-walkable, unknown or ignore, don't make arrow stuck.
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-- This causes a deflection in the engine.
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if not sdef or sdef.walkable == false or snode.name == "ignore" then
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self._stuckin = nil
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if self._deflection_cooloff <= 0 then
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-- Lose 1/3 of velocity on deflection
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local newvel = vector.multiply(vel, 0.6667)
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self.object:set_velocity(newvel)
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-- Reset deflection cooloff timer to prevent many deflections happening in quick succession
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self._deflection_cooloff = 1.0
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end
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else
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-- Node was walkable, make arrow stuck
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self._stuck = true
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self._stucktimer = 0
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self._stuckrechecktimer = 0
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self.object:set_velocity(vector.new(0, 0, 0))
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self.object:set_acceleration(vector.new(0, 0, 0))
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minetest.sound_play({name="mcl_bows_hit_other", gain=0.3}, {pos=self.object:get_pos(), max_hear_distance=16}, true)
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if mcl_burning.is_burning(self.object) and snode.name == "mcl_tnt:tnt" then
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tnt.ignite(self._stuckin)
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-- Add tracer
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if self._damage >= 9 and self._in_player == false then
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minetest.add_particlespawner({
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amount = 20,
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time = .2,
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minpos = vector.new(0,0,0),
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maxpos = vector.new(0,0,0),
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minvel = vector.new(-0.1,-0.1,-0.1),
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maxvel = vector.new(0.1,0.1,0.1),
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minexptime = 0.5,
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maxexptime = 0.5,
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minsize = 2,
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maxsize = 2,
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attached = self.object,
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collisiondetection = false,
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vertical = false,
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texture = "mobs_mc_arrow_particle.png",
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glow = 1,
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})
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end
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-- Ignite Campfires
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if mod_campfire and mcl_burning.is_burning(self.object) and minetest.get_item_group(snode.name, "campfire") ~= 0 then
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mcl_campfires.light_campfire(self._stuckin)
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if self._deflection_cooloff > 0 then
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self._deflection_cooloff = self._deflection_cooloff - dtime
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end
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-- Activate target
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if mod_target and snode.name == "mcl_target:target_off" then
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mcl_target.hit(self._stuckin, 1) --10 redstone ticks
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end
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-- Push the button! Push, push, push the button!
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if mod_button and minetest.get_item_group(node.name, "button") > 0 and minetest.get_item_group(node.name, "button_push_by_arrow") == 1 then
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local bdir = minetest.wallmounted_to_dir(node.param2)
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-- Check the button orientation
|
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if vector.equals(vector.add(dpos, bdir), self._stuckin) then
|
||||
mesecon.push_button(dpos, node)
|
||||
end
|
||||
end
|
||||
end
|
||||
elseif (def and def.liquidtype ~= "none") then
|
||||
-- TODO: change to use vl_physics
|
||||
local def = minetest.registered_nodes[minetest.get_node(pos).name]
|
||||
if def and def.liquidtype ~= "none" then
|
||||
-- Slow down arrow in liquids
|
||||
local v = def.liquid_viscosity
|
||||
if not v then
|
||||
v = 0
|
||||
end
|
||||
--local old_v = self._viscosity
|
||||
local v = def.liquid_viscosity or 0
|
||||
self._viscosity = v
|
||||
|
||||
local vpenalty = math.max(0.1, 0.98 - 0.1 * v)
|
||||
local vel = self.object:get_velocity()
|
||||
if math.abs(vel.x) > 0.001 then
|
||||
vel.x = vel.x * vpenalty
|
||||
end
|
||||
@ -432,38 +423,34 @@ function ARROW_ENTITY.on_step(self, dtime)
|
||||
end
|
||||
self.object:set_velocity(vel)
|
||||
end
|
||||
end
|
||||
|
||||
-- Process as projectile
|
||||
vl_projectile.update_projectile(self, dtime)
|
||||
|
||||
-- Update yaw
|
||||
if not self._stuck then
|
||||
local vel = self.object:get_velocity()
|
||||
if vel and not self._stuck then
|
||||
local yaw = minetest.dir_to_yaw(vel)+YAW_OFFSET
|
||||
local pitch = dir_to_pitch(vel)
|
||||
self.object:set_rotation({ x = 0, y = yaw, z = pitch })
|
||||
end
|
||||
end,
|
||||
|
||||
-- Update internal variable
|
||||
self._lastpos = pos
|
||||
end
|
||||
|
||||
-- Force recheck of stuck arrows when punched.
|
||||
-- Otherwise, punching has no effect.
|
||||
function ARROW_ENTITY.on_punch(self)
|
||||
-- Force recheck of stuck arrows when punched.
|
||||
-- Otherwise, punching has no effect.
|
||||
on_punch = function(self)
|
||||
if self._stuck then
|
||||
self._stuckrechecktimer = STUCK_RECHECK_TIME
|
||||
end
|
||||
end
|
||||
end,
|
||||
get_staticdata = function(self)
|
||||
local out = {}
|
||||
local save_fields = self._save_fields
|
||||
for i = 1,#save_fields do
|
||||
local field = save_fields[i]
|
||||
out[field] = self["_"..field]
|
||||
end
|
||||
|
||||
function ARROW_ENTITY.get_staticdata(self)
|
||||
local out = {
|
||||
lastpos = self._lastpos,
|
||||
startpos = self._startpos,
|
||||
damage = self._damage,
|
||||
is_critical = self._is_critical,
|
||||
stuck = self._stuck,
|
||||
stuckin = self._stuckin,
|
||||
stuckin_player = self._in_player,
|
||||
}
|
||||
if self._stuck then
|
||||
-- If _stucktimer is missing for some reason, assume the maximum
|
||||
if not self._stucktimer then
|
||||
@ -471,40 +458,35 @@ function ARROW_ENTITY.get_staticdata(self)
|
||||
end
|
||||
out.stuckstarttime = minetest.get_gametime() - self._stucktimer
|
||||
end
|
||||
|
||||
if self._shooter and self._shooter:is_player() then
|
||||
out.shootername = self._shooter:get_player_name()
|
||||
end
|
||||
return minetest.serialize(out)
|
||||
end
|
||||
end,
|
||||
on_activate = function(self, staticdata, dtime_s)
|
||||
self.object:set_armor_groups({ immortal = 1 })
|
||||
|
||||
function ARROW_ENTITY.on_activate(self, staticdata, dtime_s)
|
||||
self._time_in_air = 1.0
|
||||
local data = minetest.deserialize(staticdata)
|
||||
if data then
|
||||
self._stuck = data.stuck
|
||||
if data.stuck then
|
||||
if not data then return end
|
||||
|
||||
-- Restore arrow state
|
||||
local save_fields = self._save_fields
|
||||
for i = 1,#save_fields do
|
||||
local field = save_fields[i]
|
||||
self["_"..field] = data[field]
|
||||
end
|
||||
|
||||
if data.stuckstarttime then
|
||||
-- First, check if the stuck arrow is aleady past its life timer.
|
||||
-- If yes, delete it.
|
||||
self._stucktimer = minetest.get_gametime() - data.stuckstarttime
|
||||
if self._stucktimer > ARROW_TIMEOUT then
|
||||
mcl_burning.extinguish(self.object)
|
||||
self.object:remove()
|
||||
return
|
||||
end
|
||||
end
|
||||
|
||||
-- Perform a stuck recheck on the next step.
|
||||
self._stuckrechecktimer = STUCK_RECHECK_TIME
|
||||
|
||||
self._stuckin = data.stuckin
|
||||
end
|
||||
|
||||
-- Get the remaining arrow state
|
||||
self._lastpos = data.lastpos
|
||||
self._startpos = data.startpos
|
||||
self._damage = data.damage
|
||||
self._is_critical = data.is_critical
|
||||
if data.shootername then
|
||||
local shooter = minetest.get_player_by_name(data.shootername)
|
||||
if shooter and shooter:is_player() then
|
||||
@ -515,9 +497,8 @@ function ARROW_ENTITY.on_activate(self, staticdata, dtime_s)
|
||||
if data.stuckin_player then
|
||||
self.object:remove()
|
||||
end
|
||||
end
|
||||
self.object:set_armor_groups({ immortal = 1 })
|
||||
end
|
||||
end,
|
||||
})
|
||||
|
||||
minetest.register_on_respawnplayer(function(player)
|
||||
for _, obj in pairs(player:get_children()) do
|
||||
@ -528,8 +509,6 @@ minetest.register_on_respawnplayer(function(player)
|
||||
end
|
||||
end)
|
||||
|
||||
minetest.register_entity("mcl_bows:arrow_entity", ARROW_ENTITY)
|
||||
|
||||
if minetest.get_modpath("mcl_core") and minetest.get_modpath("mcl_mobitems") then
|
||||
minetest.register_craft({
|
||||
output = "mcl_bows:arrow 4",
|
||||
@ -544,3 +523,4 @@ end
|
||||
if minetest.get_modpath("doc_identifier") then
|
||||
doc.sub.identifier.register_object("mcl_bows:arrow_entity", "craftitems", "mcl_bows:arrow")
|
||||
end
|
||||
|
||||
|
||||
@ -76,6 +76,7 @@ function mcl_bows.shoot_arrow(arrow_item, pos, dir, yaw, shooter, power, damage,
|
||||
le._startpos = pos
|
||||
le._knockback = knockback
|
||||
le._collectable = collectable
|
||||
le._arrow_item = arrow_item
|
||||
minetest.sound_play("mcl_bows_bow_shoot", {pos=pos, max_hear_distance=16}, true)
|
||||
if shooter and shooter:is_player() then
|
||||
if obj:get_luaentity().player == "" then
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
name = mcl_bows
|
||||
author = Arcelmi
|
||||
description = This mod adds bows and arrows for MineClone 2.
|
||||
depends = controls, mcl_particles, mcl_enchanting, mcl_init, mcl_util, mcl_shields, mcl_fovapi, mcl_luck
|
||||
depends = controls, mcl_particles, mcl_enchanting, mcl_init, mcl_util, mcl_shields, mcl_fovapi, mcl_luck, vl_projectile
|
||||
optional_depends = awards, mcl_achievements, mcl_core, mcl_mobitems, playerphysics, doc, doc_identifier, mesecons_button
|
||||
|
||||
|
||||
@ -40,7 +40,7 @@ local function snowball_particles(pos, vel)
|
||||
texture = "weather_pack_snow_snowflake"..math.random(1,2)..".png",
|
||||
})
|
||||
end
|
||||
minetest.register_entity("mcl_throwing:snowball_entity", {
|
||||
vl_projectile.register("mcl_throwing:snowball_entity", {
|
||||
physical = false,
|
||||
timer=0,
|
||||
textures = {"mcl_throwing_snowball.png"},
|
||||
@ -50,10 +50,6 @@ minetest.register_entity("mcl_throwing:snowball_entity", {
|
||||
|
||||
get_staticdata = mcl_throwing.get_staticdata,
|
||||
on_activate = mcl_throwing.on_activate,
|
||||
|
||||
on_step = vl_projectile.update_projectile,
|
||||
_thrower = nil,
|
||||
_lastpos = nil,
|
||||
_vl_projectile = {
|
||||
behaviors = {
|
||||
vl_projectile.collides_with_solids,
|
||||
|
||||
@ -9,7 +9,7 @@ function mod.update_projectile(self, dtime)
|
||||
local entity_vl_projectile = entity_def._vl_projectile or {}
|
||||
|
||||
-- Update entity timer
|
||||
self.timer = self.timer + dtime
|
||||
self.timer = (self.timer or 0) + dtime
|
||||
|
||||
-- Run behaviors
|
||||
local behaviors = entity_vl_projectile.behaviors or {}
|
||||
@ -24,6 +24,24 @@ end
|
||||
local function no_op()
|
||||
end
|
||||
|
||||
local enable_pvp = minetest.settings:get_bool("enable_pvp")
|
||||
local function check_hitpoint(hitpoint)
|
||||
if hitpoint.type ~= "object" then return false end
|
||||
|
||||
-- find the closest object that is in the way of the arrow
|
||||
if hitpoint.ref:is_player() and enable_pvp then
|
||||
return true
|
||||
end
|
||||
|
||||
if not hitpoint.ref:is_player() and hitpoint.ref:get_luaentity() then
|
||||
if (hitpoint.ref:get_luaentity().is_mob or hitpoint.ref:get_luaentity()._hittable_by_projectile) then
|
||||
return true
|
||||
end
|
||||
end
|
||||
|
||||
return false
|
||||
end
|
||||
|
||||
function mod.collides_with_solids(self, dtime, entity_def, projectile_def)
|
||||
local pos = self.object:get_pos()
|
||||
|
||||
@ -37,10 +55,21 @@ function mod.collides_with_solids(self, dtime, entity_def, projectile_def)
|
||||
local node = minetest.get_node(pos)
|
||||
local node_def = minetest.registered_nodes[node.name]
|
||||
local collides_with = projectile_def.collides_with
|
||||
|
||||
if entity_def.physical then
|
||||
-- Projectile has stopped in one axis, so it probably hit something.
|
||||
-- This detection is a bit clunky, but sadly, MT does not offer a direct collision detection for us. :-(
|
||||
local vel = self.object:get_velocity()
|
||||
if not( (math.abs(vel.x) < 0.0001) or (math.abs(vel.z) < 0.0001) or (math.abs(vel.y) < 0.00001) ) then
|
||||
self._last_pos = pos
|
||||
return
|
||||
end
|
||||
else
|
||||
if node_def and not node_def.walkable and (not collides_with or not mcl_util.match_node_to_filter(node.name, collides_with)) then
|
||||
self._last_pos = pos
|
||||
return
|
||||
end
|
||||
end
|
||||
|
||||
-- Call entity collied hook
|
||||
local hook = projectile_def.on_collide_with_solid or no_op
|
||||
@ -69,6 +98,7 @@ function mod.collides_with_solids(self, dtime, entity_def, projectile_def)
|
||||
end
|
||||
|
||||
local function handle_entity_collision(self, entity_def, projectile_def, entity)
|
||||
local pos = self.object:get_pos()
|
||||
local dir = vector.normalize(self.object:get_velocity())
|
||||
local self_vl_projectile = self._vl_projectile
|
||||
|
||||
@ -81,7 +111,7 @@ local function handle_entity_collision(self, entity_def, projectile_def, entity)
|
||||
-- Call entity collied hook
|
||||
(projectile_def.on_collide_with_entity or no_op)(self, pos, entity)
|
||||
|
||||
-- Call node collided hook
|
||||
-- Call entity reverse hook
|
||||
local other_entity_def = minetest.registered_entities[entity.name] or {}
|
||||
local other_entity_vl_projectile = other_entity_def._vl_projectile or {}
|
||||
local hook = (other_entity_vl_projectile or {}).on_collide or no_op
|
||||
@ -126,6 +156,32 @@ function mod.collides_with_entities(self, dtime, entity_def, projectile_def)
|
||||
end
|
||||
end
|
||||
|
||||
function mod.raycast_collides_with_entities(self, dtime, entity_def, projectile_def)
|
||||
local closest_object
|
||||
local closest_distance
|
||||
|
||||
local pos = self.object:get_pos()
|
||||
local arrow_dir = self.object:get_velocity()
|
||||
|
||||
--create a raycast from the arrow based on the velocity of the arrow to deal with lag
|
||||
local raycast = minetest.raycast(pos, vector.add(pos, vector.multiply(arrow_dir, 0.1)), true, false)
|
||||
for hitpoint in raycast do
|
||||
if check_hitpoint(hitpoint) then
|
||||
local hitpoint_ref = hitpoint.ref
|
||||
local dist = vector.distance(hitpoint_ref:get_pos(), pos)
|
||||
if not closest_distance or dist < closest_distance then
|
||||
closest_object = hitpoint_ref
|
||||
closest_distance = dist
|
||||
end
|
||||
end
|
||||
|
||||
end
|
||||
|
||||
if closest_object then
|
||||
return handle_entity_collision(self, entity_def, projectile_def, closest_object)
|
||||
end
|
||||
end
|
||||
|
||||
function mod.create(entity_id, options)
|
||||
local obj = minetest.add_entity(options.pos, entity_id, options.staticdata)
|
||||
|
||||
@ -150,3 +206,17 @@ function mod.create(entity_id, options)
|
||||
return obj
|
||||
end
|
||||
|
||||
function mod.register(name, def)
|
||||
assert(def._vl_projectile)
|
||||
|
||||
if not def.on_step then
|
||||
def.on_step = mod.update_projectile
|
||||
end
|
||||
|
||||
def._thrower = nil
|
||||
def._shooter = nil
|
||||
def._last_pos = nil
|
||||
|
||||
minetest.register_entity(name, def)
|
||||
end
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user