mods/torch/init.lua

   1 --get point where particle spawner is added
   2 local function get_offset(wdir)
   3       local z = 0
   4       local x = 0
   5       if wdir == 4 then
   6             z = 0.25
   7       elseif wdir == 2 then
   8             x = 0.25
   9       elseif wdir == 5 then
  10             z = -0.25
  11       elseif wdir == 3 then
  12             x = -0.25
  13       end
  14       return {x = x, y = 0.27, z = z}
  15 end
  16
  17 --remove smoke and fire
  18 local function delete_ps(pos)
  19       local meta = minetest.get_meta(pos)
  20       minetest.delete_particlespawner(meta:get_int("psf"))
  21       minetest.delete_particlespawner(meta:get_int("pss"))
  22 end
  23
  24 --add in smoke and fire
  25 local function create_ps(pos)
  26       local meta = minetest.get_meta(pos)
  27       local dir = get_offset(minetest.get_node(pos).param2)
  28       local ppos = vector.add(dir,pos)
  29       local psf = minetest.add_particlespawner({
  30             amount = 2,
  31             time = 0,
  32             minpos = ppos,
  33             maxpos = ppos,
  34             minvel = vector.new(0,0,0),
  35             maxvel = vector.new(0,0,0),
  36             minacc = {x=0, y=0, z=0},
  37             maxacc = {x=0, y=0, z=0},
  38             minexptime = 1,
  39             maxexptime = 1,
  40             minsize = 3,
  41             maxsize = 3,
  42             collisiondetection = false,
  43             vertical = true,
  44             texture = "torch_animated.png",
  45             animation = {type = "vertical_frames",
  46
  47                   aspect_w = 16,
  48                   -- Width of a frame in pixels
  49
  50                   aspect_h = 16,
  51                   -- Height of a frame in pixels
  52
  53                   length =  0.2,
  54                   -- Full loop length
  55             },
  56       })
  57       local pss = minetest.add_particlespawner({
  58             amount = 2,
  59             time = 0,
  60             minpos = ppos,
  61             maxpos = ppos,
  62             minvel = vector.new(-0.1,0.1,-0.1),
  63             maxvel = vector.new(0.1,0.3,0.1),
  64             minacc = vector.new(0,0,0),
  65             maxacc = vector.new(0,0,0),
  66             minexptime = 1,
  67             maxexptime = 2,
  68             minsize = 1,
  69             maxsize = 2,
  70             collisiondetection = false,
  71             vertical = false,
  72             texture = "smoke.png",
  73       })
  74       meta:set_int("psf", psf)
  75       meta:set_int("pss", pss)
  76 end
  77
  78
  79 --reload smoke and flame on load
  80 minetest.register_abm({
  81       label = "Torch Particle",
  82       nodenames = {"group:torch"},
  83       neighbors = {"air"},
  84       interval = 0.1,
  85       chance = 1,
  86       action = function(pos, node, active_object_count, active_object_count_wider)
  87             local found_player = false
  88             for _,object in ipairs(minetest.get_objects_inside_radius(pos, 3)) do
  89                   local pos2 = object:getpos()
  90                   if object:is_player() then
  91                         found_player = true
  92                   end
  93             end
  94             if found_player == true then
  95                   print("creating ps")
  96                   create_ps(pos)
  97             else
  98                   print("deleting ps")
  99                   delete_ps(pos)
 100             end
 101       end,
 102 })
 103
 104 -- Item definitions
 105 minetest.register_craftitem("torch:torch", {
 106       description = "Torch",
 107       inventory_image = "torches_torch.png",
 108       wield_image = "torches_torch.png",
 109       wield_scale = {x = 1, y = 1, z = 1 + 1/16},
 110       liquids_pointable = false,
 111       on_place = function(itemstack, placer, pointed_thing)
 112             if pointed_thing.type ~= "node" then
 113                   return itemstack
 114             end
 115
 116             local wdir = minetest.dir_to_wallmounted(vector.subtract(pointed_thing.under,pointed_thing.above))
 117
 118             local fakestack = itemstack
 119             local retval = false
 120             if wdir < 1 then
 121                   return itemstack
 122             elseif wdir == 1 then
 123                   retval = fakestack:set_name("torch:floor")
 124             else
 125                   retval = fakestack:set_name("torch:wall")
 126             end
 127             if not retval then
 128                   return itemstack
 129             end
 130             itemstack, retval = minetest.item_place(fakestack, placer, pointed_thing, wdir)
 131             itemstack:set_name("torch:torch")
 132
 133             if retval then
 134                   minetest.sound_play("wood", {pos=pointed_thing.above, gain = 1.0})
 135             end
 136
 137             return itemstack
 138       end
 139 })
 140
 141 minetest.register_node("torch:floor", {
 142       inventory_image = "default_torch.png",
 143       wield_image = "torches_torch.png",
 144       wield_scale = {x = 1, y = 1, z = 1 + 2/16},
 145       drawtype = "mesh",
 146       mesh = "torch_floor.obj",
 147       tiles = {"torches_torch.png"},
 148       paramtype = "light",
 149       paramtype2 = "none",
 150       sunlight_propagates = true,
 151       drop = "torch:torch",
 152       walkable = false,
 153       light_source = 13,
 154       groups = {choppy=2, dig_immediate=3, flammable=1, not_in_creative_inventory=1, attached_node=1, torch=1},
 155       legacy_wallmounted = true,
 156       selection_box = {
 157             type = "fixed",
 158             fixed = {-1/16, -0.5, -1/16, 1/16, 2/16, 1/16},
 159       },
 160       on_construct = function(pos)
 161             --create_ps(pos)
 162       end,
 163       on_destruct = function(pos)
 164             --delete_ps(pos)
 165       end,
 166       sounds = main.woodSound(),
 167 })
 168
 169 minetest.register_node("torch:wall", {
 170       inventory_image = "default_torch.png",
 171       wield_image = "torches_torch.png",
 172       wield_scale = {x = 1, y = 1, z = 1 + 1/16},
 173       drawtype = "mesh",
 174       mesh = "torch_wall.obj",
 175       tiles = {"torches_torch.png"},
 176       paramtype = "light",
 177       paramtype2 = "wallmounted",
 178       sunlight_propagates = true,
 179       walkable = false,
 180       light_source = 13,
 181       groups = {choppy=2, dig_immediate=3, flammable=1, not_in_creative_inventory=1, attached_node=1, torch=1},
 182       drop = "torch:torch",
 183       selection_box = {
 184             type = "wallmounted",
 185             wall_top = {-0.1, -0.1, -0.1, 0.1, 0.5, 0.1},
 186             wall_bottom = {-0.1, -0.5, -0.1, 0.1, 0.1, 0.1},
 187             wall_side = {-0.5, -0.3, -0.1, -0.2, 0.3, 0.1},
 188       },
 189       on_construct = function(pos)
 190            -- create_ps(pos)
 191       end,
 192       on_destruct = function(pos)
 193            -- delete_ps(pos)
 194       end,
 195       sounds = main.woodSound(),
 196 })
 197
 198 minetest.register_craft({
 199       output = "torch:torch 4",
 200       recipe = {
 201             {"main:coal"},
 202             {"main:stick"}
 203       }
 204 })
 205 minetest.register_craft({
 206       output = "torch:torch 4",
 207       recipe = {
 208             {"main:charcoal"},
 209             {"main:stick"}
 210       }
 211 })