smokebomb.lua

--Smoke Bomb_[rev001]
--base code is from throwing enhanced and potions mods

   local MOD_NAME = minetest.get_current_modname()
   local MOD_PATH = minetest.get_modpath(MOD_NAME)
   local Vec3 = dofile(MOD_PATH..'/lib/Vec3_1-0.lua')

minetest.register_craftitem('more_fire:smokebomb', {
   description = 'Smoke Bomb',
   inventory_image = 'more_fire_smokebomb.png',
   on_place = function(itemstack, user, pointed_thing)
      itemstack:take_item()
      minetest.sound_play('more_fire_shatter', {gain = 1.0})
      --Shattered glass Particles
      minetest.add_particlespawner({
         amount = 40,
         time = 0.1,
         minpos = pointed_thing.above,
         maxpos = pointed_thing.above,
         minvel = {x=2, y=0.2, z=2},
         maxvel = {x=-2, y=0.5, z=-2},
         minacc = {x=0, y=-6, z=0},
         maxacc = {x=0, y=-10, z=0},
         minexptime = 0.5,
         maxexptime = 2,
         minsize = 0.2,
         maxsize = 5,
         collisiondetection = true,
         texture = 'more_fire_shatter.png'})
      --smoke particles
      minetest.add_particlespawner({
         amount = 400,
         time = 0.1,
         minpos = pointed_thing.above,
         maxpos = pointed_thing.above,
         minvel = {x=2, y=0.2, z=2},
         maxvel = {x=-2, y=0.5, z=-2},
         minacc = {x=0, y=-6, z=0},
         maxacc = {x=0, y=-10, z=0},
         minexptime = 5,
         maxexptime = 2,
         minsize = 5,
         maxsize = 20,
         collisiondetection = true,
         texture = 'more_fire_smoke.png'})
     --more smoke particles
      minetest.add_particlespawner({
         amount = 600,
         time = 1,
         minpos = pointed_thing.above,
         maxpos = pointed_thing.above,
         minvel = {x=10, y= 3, z=10},
         maxvel = {x=-10, y= 3, z=-10},
         minacc = {x=2, y=2, z=2},
         maxacc = {x=-2, y=1, z=-2},
         minexptime = 2,
         maxexptime = 3,
         minsize = 2,
         maxsize = 20,
         collisiondetection = true,
         texture = 'more_fire_smoke.png'})
      --even more smoke particles
      minetest.add_particlespawner({
         amount = 400,
         time = 1,
         minpos = pointed_thing.above,
         maxpos = pointed_thing.above,
         minvel = {x=0.2, y=0.2, z=0.2},
         maxvel = {x=-0.2, y=0.5, z=-0.2},
         minacc = {x=10, y= 2, z=10},
         maxacc = {x=-10, y= 1, z=-10},
         minexptime = 2,
         maxexptime = 3,
         minsize = 20,
         maxsize = 2,
         collisiondetection = true,
         texture = 'more_fire_smoke.png'})
         local dir = Vec3(user:get_look_dir()) *20
         minetest.add_particle(
            {x=user:getpos().x, y=user:getpos().y+1.5, z=user:getpos().z}, {x=dir.x, y=dir.y, z=dir.z}, {x=0, y=-10, z=0}, 0.2,
            6, false, 'more_fire_smokebomb.png')
         return itemstack
      end,
   })

local function throw_smokebomb(item, player)
   local playerpos = player:getpos()
   local obj = minetest.add_entity({x=playerpos.x,y=playerpos.y+1.625,z=playerpos.z}, 'more_fire:smokebomb_entity')
   local dir = player:get_look_dir()
   obj:setvelocity({x=dir.x*30, y=dir.y*30, z=dir.z*30})
   obj:setacceleration({x=dir.x*-3, y=-dir.y^8*80-10, z=dir.z*-3})
      if not minetest.settings:get_bool('creative_mode') then
      item:take_item()
   end
   return item
end

local function add_effects(pos)
   minetest.add_particlespawner({
      amount = 200,
      time = 0.1,
      minpos = vector.subtract(pos, 5 / 3),
      maxpos = vector.add(pos, 5 / 3),
      minvel = {x=2, y=0.2, z=2},
      maxvel = {x=-2, y=-0.5, z=-2},
      minacc = {x=1, y=-6, z=1},
      maxacc = {x=1, y=-10, z=1},
      minexptime = 1,
      maxexptime = 5,
      minsize = 10,
      maxsize = 20,
      texture = 'more_fire_smoke.png',})
   minetest.add_particlespawner({
      amount = 100,
      time = 2,
      minpos = vector.subtract(pos, 5 / 2),
      maxpos = vector.add(pos, 5 / 2),
      minvel = {x=0.2, y=0.2, z=0.2},
      maxvel = {x=-0.2, y=0.5, z=-0.2},
      minacc = {x=10, y= 2, z=10},
      maxacc = {x=-10, y= 1, z=-10},
      minexptime =1,
      maxexptime = 3,
      minsize = 5,
      maxsize = 15,
      texture = 'more_fire_smoke.png',})
end

local function plume(pos)
   minetest.set_node(pos, {name='more_fire:plume'})
   minetest.get_node_timer(pos):start(3.0)
   add_effects(pos)
end

local MORE_FIRE_SMOKEBOMB_ENTITY = {
   timer=0,
   collisionbox = {0,0,0,0,0,0},
   physical = false,
   textures = {'more_fire_smokebomb.png'},
   lastpos={},
}

MORE_FIRE_SMOKEBOMB_ENTITY.on_step = function(self, dtime)
   self.timer = self.timer + dtime
   local pos = self.object:getpos()
   local node = minetest.get_node(pos)
   minetest.add_particlespawner({
      amount = 10,
      time = 0.5,
      minpos = pos,
      maxpos = pos,
      minvel = {x=-0, y=0, z=-0.5},
      maxvel = {x=0,  y=0,  z=-0.75},
      minacc = vector.new(),
      maxacc = vector.new(),
      minexptime = 0.5,
      maxexptime = 1,
      minsize = 0.25,
      maxsize = 0.5,
      texture = 'more_fire_smoke.png',})
   minetest.add_particlespawner({
      amount = 10,
      time = 0.25,
      minpos = pos,
      maxpos = pos,
      minvel = {x=-0, y=0, z=-0.5},
      maxvel = {x=0,  y=0,  z=-0.75},
      minacc = {x=0,  y=0,  z=-0.75},
      maxacc = {x=-0, y=0, z=-0.5},
      minexptime = 0.25,
      maxexptime = 0.5,
      minsize = 0.5,
      maxsize = 0.75,
      texture = 'more_fire_smoke.png',})
   if self.timer>0.2 then
      local objs = minetest.get_objects_inside_radius({x=pos.x,y=pos.y,z=pos.z}, 1)
      for k, obj in pairs(objs) do
         if obj:get_luaentity() ~= nil then
            if obj:get_luaentity().name ~= 'more_fire:smokebomb_entity' and obj:get_luaentity().name ~= '__builtin:item' then
               if self.node ~= '' then
                minetest.sound_play('more_fire_shatter', {gain = 1.0})
               local damage = 1
               obj:punch(self.object, 1.0, {
                  full_punch_interval=1.0,
                  damage_groups={fleshy=damage},
               }, nil)
               self.object:remove()
            end
         end
      end
   end
   if self.lastpos.x~=nil then
      if node.name ~= 'air' then
         self.object:remove()
         plume(self.lastpos)
      end
   end
   self.lastpos={x=pos.x, y=pos.y, z=pos.z}
   end
end

minetest.register_entity('more_fire:smokebomb_entity', MORE_FIRE_SMOKEBOMB_ENTITY)

minetest.override_item('more_fire:smokebomb', {on_use = throw_smokebomb})

minetest.register_node('more_fire:plume', {
drawtype = 'plantlike',
description = 'Smoke Plume',
   tiles = {{
      name='more_fire_smoke_animated.png',
      animation={type='vertical_frames', aspect_w=16, aspect_h=16, length=1},
   }},
   inventory_image = 'more_fire_smoke.png',
   light_source = 8,
   groups = {dig_immediate=3, not_in_creative_inventory =1, not_in_craft_guide=1},
   drop = '',
   walkable = false,
   buildable_to = true,
   damage_per_second = 1,
   on_timer = function(pos, elapsed)
      minetest.remove_node(pos)
   end,
})

minetest.register_abm({
   nodenames={'more_fire:plume'},
   neighbors={'air'},
   interval = 1,
   chance = 1,
      action = function(pos, node)
        if minetest.get_node({x=pos.x, y=pos.y+1.0, z=pos.z}).name == 'air' and
         minetest.get_node({x=pos.x, y=pos.y+2.0, z=pos.z}).name == 'air' then
            minetest.add_particlespawner({
               amount = 400,
               time = 3,
               minpos = pos,
               maxpos = pos,
               minvel = {x=2, y=-0.2, z=2},
               maxvel = {x=-2, y=-0.5, z=-2},
               minacc = {x=0, y=-6, z=0},
               maxacc = {x=0, y=-10, z=0},
               minexptime = 2,
               maxexptime = 6,
               minsize = 0.05,
               maxsize = 0.5,
               collisiondetection =false,
               texture = 'more_fire_smoke.png'})
            minetest.add_particlespawner({
               amount = 50,
               time = 2,
               minpos = pos,
               maxpos = pos,
               minvel = {x=-2, y=0.5, z=-2},
               maxvel = {x=2, y=0.5, z=2},
               minacc = {x=0, y=0.04, z=0},
               maxacc = {x=0, y=0.01, z=0},
               minexptime = 1,
               maxexptime = 3,
               minsize = 3,
               maxsize = 5,
               collisiondetection = false,
               texture = 'more_fire_smoke.png'})
            minetest.add_particlespawner({
               amount = 400,
               time = 2,
               minpos = vector.subtract(pos, 5 / 2),
               maxpos = vector.add(pos, 5 / 2),
               minvel = {x=0.2, y=2, z=0.2},
               maxvel = {x=-0.2, y=2, z=-0.2},
               minacc = {x=10, y= 2, z=10},
               maxacc = {x=-10, y= 1, z=-10},
               minexptime =1,
               maxexptime = 3,
               minsize = 5,
               maxsize = 15,
               texture = 'more_fire_smoke.png',})
            end
         end
})

minetest.register_craft({
   output = 'more_fire:smoke_bomb',
   recipe = {
      {'more_fire:flintstone'},
      {'more_fire:charcoal'},
      {'vessels:glass_bottle'},
   }
})