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VoxeLibre-WolfyCode/mods/ITEMS/mcl_torches/api.lua

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local flame_texture = {"mcl_particles_flame.png", "mcl_particles_soul_fire_flame.png"}
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local smoke_pdef = {
amount = 0.5,
maxexptime = 2.0,
minvel = { x = 0.0, y = 0.5, z = 0.0 },
maxvel = { x = 0.0, y = 0.6, z = 0.0 },
minsize = 1.5,
maxsize = 1.5,
minrelpos = { x = -1/16, y = 0.04, z = -1/16 },
maxrelpos = { x = 1/16, y = 0.06, z = 1/16 },
}
local function spawn_flames_floor(pos, flame_type)
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-- Flames
mcl_particles.add_node_particlespawner(pos, {
amount = 8,
time = 0,
minpos = vector.add(pos, { x = -0.1, y = 0.05, z = -0.1 }),
maxpos = vector.add(pos, { x = 0.1, y = 0.15, z = 0.1 }),
minvel = { x = -0.01, y = 0, z = -0.01 },
maxvel = { x = 0.01, y = 0.1, z = 0.01 },
minexptime = 0.3,
maxexptime = 0.6,
minsize = 0.7,
maxsize = 2,
texture = flame_texture[flame_type],
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glow = minetest.registered_nodes[minetest.get_node(pos).name].light_source,
}, "low")
-- Smoke
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mcl_particles.spawn_smoke(pos, "torch", smoke_pdef)
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end
local function spawn_flames_wall(pos, flame_type)
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--local minrelpos, maxrelpos
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local node = minetest.get_node(pos)
local dir = minetest.wallmounted_to_dir(node.param2)
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local smoke_pdef = table.copy(smoke_pdef)
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if dir.x < 0 then
smoke_pdef.minrelpos = { x = -0.38, y = 0.24, z = -0.1 }
smoke_pdef.maxrelpos = { x = -0.2, y = 0.34, z = 0.1 }
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elseif dir.x > 0 then
smoke_pdef.minrelpos = { x = 0.2, y = 0.24, z = -0.1 }
smoke_pdef.maxrelpos = { x = 0.38, y = 0.34, z = 0.1 }
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elseif dir.z < 0 then
smoke_pdef.minrelpos = { x = -0.1, y = 0.24, z = -0.38 }
smoke_pdef.maxrelpos = { x = 0.1, y = 0.34, z = -0.2 }
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elseif dir.z > 0 then
smoke_pdef.minrelpos = { x = -0.1, y = 0.24, z = 0.2 }
smoke_pdef.maxrelpos = { x = 0.1, y = 0.34, z = 0.38 }
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else
return
end
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-- Flames
mcl_particles.add_node_particlespawner(pos, {
amount = 8,
time = 0,
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minpos = vector.add(pos, smoke_pdef.minrelpos),
maxpos = vector.add(pos, smoke_pdef.maxrelpos),
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minvel = { x = -0.01, y = 0, z = -0.01 },
maxvel = { x = 0.01, y = 0.1, z = 0.01 },
minexptime = 0.3,
maxexptime = 0.6,
minsize = 0.7,
maxsize = 2,
texture = flame_texture[flame_type],
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glow = minetest.registered_nodes[node.name].light_source,
}, "low")
-- Smoke
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mcl_particles.spawn_smoke(pos, "torch", smoke_pdef)
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end
local function set_flames(pos, flame_type, attached_to)
if attached_to == "wall" then
return function(pos)
spawn_flames_wall(pos, flame_type)
end
end
return function(pos)
spawn_flames_floor(pos, flame_type)
end
end
local function remove_flames(pos)
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mcl_particles.delete_node_particlespawners(pos)
end
--
-- 3d torch part
--
-- Check if placement at given node is allowed
local function check_placement_allowed(node, wdir)
-- Torch placement rules: Disallow placement on some nodes. General rule: Solid, opaque, full cube collision box nodes are allowed.
-- Special allowed nodes:
-- * soul sand
-- * mob spawner
-- * chorus flower
-- * glass, barrier, ice
-- * Fence, wall, end portal frame with ender eye: Only on top
-- * Slab, stairs: Only on top if upside down
-- Special forbidden nodes:
-- * Piston, sticky piston
local def = minetest.registered_nodes[node.name]
if not def then
return false
-- No ceiling torches
elseif wdir == 0 then
return false
elseif not def.buildable_to then
if node.name ~= "mcl_core:ice" and node.name ~= "mcl_nether:soul_sand" and node.name ~= "mcl_mobspawners:spawner" and node.name ~= "mcl_core:barrier" and node.name ~= "mcl_end:chorus_flower" and node.name ~= "mcl_end:chorus_flower_dead" and (not def.groups.glass) and
((not def.groups.solid) or (not def.groups.opaque)) then
-- Only allow top placement on these nodes
if node.name == "mcl_end:dragon_egg" or node.name == "mcl_portals:end_portal_frame_eye" or def.groups.fence == 1 or def.groups.wall or def.groups.slab_top == 1 or def.groups.anvil or def.groups.pane or (def.groups.stair == 1 and minetest.facedir_to_dir(node.param2).y ~= 0) then
if wdir ~= 1 then
return false
end
else
return false
end
elseif minetest.get_item_group(node.name, "piston") >= 1 then
return false
end
end
return true
end
function mcl_torches.register_torch(def)
local itemstring = minetest.get_current_modname() .. ":" .. def.name
local itemstring_wall = itemstring .. "_wall"
def.light = def.light or minetest.LIGHT_MAX
def.mesh_floor = def.mesh_floor or "mcl_torches_torch_floor.obj"
def.mesh_wall = def.mesh_wall or "mcl_torches_torch_wall.obj"
def.flame_type = def.flame_type or 1
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local groups = def.groups or {}
groups.attached_node = 1
groups.torch = 1
groups.torch_particles = def.particles and 1
groups.dig_by_water = 1
groups.destroy_by_lava_flow = 1
groups.dig_by_piston = 1
groups.flame_type = def.flame_type or 1
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local floordef = {
description = def.description,
_doc_items_longdesc = def.doc_items_longdesc,
_doc_items_usagehelp = def.doc_items_usagehelp,
_doc_items_hidden = def.doc_items_hidden,
_doc_items_create_entry = def._doc_items_create_entry,
drawtype = "mesh",
mesh = def.mesh_floor,
inventory_image = def.icon,
wield_image = def.icon,
tiles = def.tiles,
paramtype = "light",
paramtype2 = "wallmounted",
sunlight_propagates = true,
is_ground_content = false,
walkable = false,
liquids_pointable = false,
light_source = def.light,
groups = groups,
drop = def.drop or itemstring,
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use_texture_alpha = "clip",
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selection_box = {
type = "wallmounted",
wall_bottom = {-2/16, -0.5, -2/16, 2/16, 1/16, 2/16},
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},
sounds = def.sounds,
node_placement_prediction = "",
on_place = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then
-- no interaction possible with entities, for now.
return itemstack
end
local under = pointed_thing.under
local node = minetest.get_node(under)
local def = minetest.registered_nodes[node.name]
if not def then return itemstack end
-- Call on_rightclick if the pointed node defines it
if placer and not placer:get_player_control().sneak then
if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
return minetest.registered_nodes[node.name].on_rightclick(under, node, placer, itemstack) or itemstack
end
end
local above = pointed_thing.above
local wdir = minetest.dir_to_wallmounted({x = under.x - above.x, y = under.y - above.y, z = under.z - above.z})
if check_placement_allowed(node, wdir) == false then
return itemstack
end
local itemstring = itemstack:get_name()
local fakestack = ItemStack(itemstack)
local idef = fakestack:get_definition()
local retval
if wdir == 1 then
retval = fakestack:set_name(itemstring)
else
retval = fakestack:set_name(itemstring_wall)
end
if not retval then
return itemstack
end
local success
itemstack, success = minetest.item_place(fakestack, placer, pointed_thing, wdir)
itemstack:set_name(itemstring)
if success and idef.sounds and idef.sounds.place then
minetest.sound_play(idef.sounds.place, {pos=under, gain=1}, true)
end
return itemstack
end,
on_rotate = false,
on_construct = function(pos)
if def.particles then
set_flames(pos, def.flame_type, "floor")
end
end,
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on_destruct = def.particles and remove_flames,
}
minetest.register_node(itemstring, floordef)
local groups_wall = table.copy(groups)
groups_wall.torch = 2
local walldef = {
drawtype = "mesh",
mesh = def.mesh_wall,
tiles = def.tiles,
paramtype = "light",
paramtype2 = "wallmounted",
sunlight_propagates = true,
is_ground_content = false,
walkable = false,
light_source = def.light,
groups = groups_wall,
drop = def.drop or itemstring,
use_texture_alpha = "clip",
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selection_box = {
type = "wallmounted",
wall_side = {-0.5, -0.3, -0.1, -0.2, 0.325, 0.1},
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},
sounds = def.sounds,
on_rotate = false,
on_construct = function(pos)
if def.particles then
set_flames(pos, def.flame_type, "wall")
end
end,
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on_destruct = def.particles and remove_flames,
}
minetest.register_node(itemstring_wall, walldef)
-- Add entry alias for the Help
if minetest.get_modpath("doc") then
doc.add_entry_alias("nodes", itemstring, "nodes", itemstring_wall)
end
end
minetest.register_lbm({
label = "Torch flame particles",
name = "mcl_torches:flames",
nodenames = {"group:torch_particles"},
run_at_every_load = true,
action = function(pos, node)
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local torch_group = minetest.get_item_group(node.name, "torch")
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if torch_group == 1 then
spawn_flames_floor(pos, minetest.get_item_group(node.name, "flame_type"))
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elseif torch_group == 2 then
spawn_flames_wall(pos, minetest.get_item_group(node.name, "flame_type"))
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end
end,
})