#### arrow.lua4.0 KB Permalink History Raw

 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216 `````` -- Localise functions local floor, min, max = math.floor, math.min, math.max --Should we use new collisionbox detection local colbox = false local radius = colbox and 3.0 or 1.0 --= Functions inspired from Kaeza's Firearms mod local function minmax(x, y) return min(x, y), max(x, y) end local function pos_in_box(p, b1, b2) local xmin, xmax = minmax(b1.x, b2.x) local ymin, ymax = minmax(b1.y, b2.y) local zmin, zmax = minmax(b1.z, b2.z) return p.x >= xmin and p.x <= xmax and p.y >= ymin and p.y <= ymax and p.z >= zmin and p.z <= zmax end local function get_obj_box(obj) local box if obj:is_player() then box = {-.5, -.5, -.5, .5, 1.5, .5} else box = obj:get_luaentity().collisionbox or {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5} end local p = obj:get_pos() local x1, y1, z1, x2, y2, z2 = unpack(box) return {x = x1 + p.x, y = y1 + p.y, z = z1 + p.z}, {x = x2 + p.x, y = y2 + p.y, z = z2 + p.z} end --= END (Thanks Kaeza :) local on_hit_remove = function(self) minetest.sound_play( bows.registed_arrows[self.name].on_hit_sound, { pos = self.object:get_pos(), gain = 1.0, max_hear_distance = 7 }) -- chance of dropping arrow local chance = minetest.registered_items[self.name].drop_chance if math.random(chance) == 1 then minetest.add_item(self.object:get_pos(), self.name) end self.object:remove() return self end local on_hit_object = function(self, target, hp, user, lastpos) target:punch(user, 0.1, { full_punch_interval = 0.1, damage_groups = {fleshy = hp}, }, nil) if bows.registed_arrows[self.name].on_hit_object then bows.registed_arrows[self.name].on_hit_object( self, target, hp, user, lastpos) end on_hit_remove(self) return self end minetest.register_entity("bows:arrow",{ hp_max = 10, visual = "wielditem", visual_size = {x = .20, y = .20}, collisionbox = {-0.1,-0.1,-0.1,0.1,0.1,0.1}, physical = true, textures = {"air"}, _is_arrow = true, timer = 10, oldvel = {x = 0, y = 0, z = 0}, on_activate = function(self, staticdata) if not self then self.object:remove() return end if bows.tmp and bows.tmp.arrow ~= nil then self.arrow = bows.tmp.arrow self.user = bows.tmp.user self.name = bows.tmp.name self.dmg = bows.registed_arrows[self.name].damage bows.tmp = nil self.object:set_properties({textures = {self.arrow}}) else self.object:remove() end end, on_step = function(self, dtime, ...) self.timer = self.timer - dtime if self.timer < 0 then self.object:remove() return end local what_is, what_obj, ent for i, ob in pairs(minetest.get_objects_inside_radius( self.object:get_pos(), radius)) do what_obj = nil what_is = "" -- player if ob and bows.pvp and ob:is_player() and ob:get_player_name() ~= self.user:get_player_name() then what_obj = ob what_is = "player" end -- entity/mob if ob and not what_obj then ent = ob:get_luaentity() if ent and ent.physical and not ent._is_arrow and ent.name ~= "__builtin:item" then what_obj = ob what_is = "entity" end end if what_obj then if colbox then -- Object specific collision detection local p1, p2 = get_obj_box(what_obj) if pos_in_box(self.object:get_pos(), p1, p2) then on_hit_object(self, what_obj, self.dmg, self.user, self.object:get_pos()) return self end else on_hit_object(self, what_obj, self.dmg, self.user, self.object:get_pos()) return self end end end local vel = self.object:get_velocity() if vel.x == 0 or vel.y == 0 or vel.z == 0 then if bows.registed_arrows[self.name].on_hit_node then local pos = self.object:get_pos() local lastpos = {x = pos.x, y = pos.y, z = pos.z} pos.x = pos.x + (self.oldvel.x / 100) pos.y = pos.y + (self.oldvel.y / 100) pos.z = pos.z + (self.oldvel.z / 100) self.node = minetest.get_node(pos) bows.registed_arrows[self.name].on_hit_node( self, pos, self.user, lastpos) end on_hit_remove(self) return self end self.oldvel = vel end, }) ``````