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Falling nodes: Add support for facedir, colorfacedir, wallmounted, co…

…lorwallmounted, color, airlike, signlike, torchlike and glow (#9205)
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Wuzzy2 committed Feb 22, 2020
1 parent e8a8185 commit d5070474439c4bd1e59841ffd6400e981854c63d
Showing with 128 additions and 6 deletions.
  1. +128 −6 builtin/game/falling.lua
@@ -1,15 +1,43 @@
-- Minetest: builtin/item.lua

local builtin_shared = ...
local SCALE = 0.667

local facedir_to_euler = {
{y = 0, x = 0, z = 0},
{y = -math.pi/2, x = 0, z = 0},
{y = math.pi, x = 0, z = 0},
{y = math.pi/2, x = 0, z = 0},
{y = math.pi/2, x = -math.pi/2, z = math.pi/2},
{y = math.pi/2, x = math.pi, z = math.pi/2},
{y = math.pi/2, x = math.pi/2, z = math.pi/2},
{y = math.pi/2, x = 0, z = math.pi/2},
{y = -math.pi/2, x = math.pi/2, z = math.pi/2},
{y = -math.pi/2, x = 0, z = math.pi/2},
{y = -math.pi/2, x = -math.pi/2, z = math.pi/2},
{y = -math.pi/2, x = math.pi, z = math.pi/2},
{y = 0, x = 0, z = math.pi/2},
{y = 0, x = -math.pi/2, z = math.pi/2},
{y = 0, x = math.pi, z = math.pi/2},
{y = 0, x = math.pi/2, z = math.pi/2},
{y = math.pi, x = math.pi, z = math.pi/2},
{y = math.pi, x = math.pi/2, z = math.pi/2},
{y = math.pi, x = 0, z = math.pi/2},
{y = math.pi, x = -math.pi/2, z = math.pi/2},
{y = math.pi, x = math.pi, z = 0},
{y = -math.pi/2, x = math.pi, z = 0},
{y = 0, x = math.pi, z = 0},
{y = math.pi/2, x = math.pi, z = 0}
}

--
-- Falling stuff
--

core.register_entity(":__builtin:falling_node", {
initial_properties = {
visual = "wielditem",
visual_size = {x = 0.667, y = 0.667},
visual = "item",
visual_size = {x = SCALE, y = SCALE, z = SCALE},
textures = {},
physical = true,
is_visible = false,
@@ -33,11 +61,105 @@ core.register_entity(":__builtin:falling_node", {
end
end
end
local def = core.registered_nodes[node.name]
if not def then
-- Don't allow unknown nodes to fall
core.log("info",
"Unknown falling node removed at "..
core.pos_to_string(self.object:get_pos()))
self.object:remove()
return
end
self.meta = meta
self.object:set_properties({
is_visible = true,
textures = {node.name},
})
if def.drawtype == "torchlike" or def.drawtype == "signlike" then
local textures
if def.tiles and def.tiles[1] then
local tile = def.tiles[1]
if type(tile) == "table" then
tile = tile.name
end
if def.drawtype == "torchlike" then
textures = { "("..tile..")^[transformFX", tile }
else
textures = { tile, "("..tile..")^[transformFX" }
end
end
local vsize
if def.visual_scale then
local s = def.visual_scale
vsize = {x = s, y = s, z = s}
end
self.object:set_properties({
is_visible = true,
visual = "upright_sprite",
visual_size = vsize,
textures = textures,
glow = def.light_source,
})
elseif def.drawtype ~= "airlike" then
local itemstring = node.name
if core.is_colored_paramtype(def.paramtype2) then
itemstring = core.itemstring_with_palette(itemstring, node.param2)
end
local vsize
if def.visual_scale then
local s = def.visual_scale * SCALE
vsize = {x = s, y = s, z = s}
end
self.object:set_properties({
is_visible = true,
wield_item = itemstring,
visual_size = vsize,
glow = def.light_source,
})
end
-- Rotate entity
if def.drawtype == "torchlike" then
self.object:set_yaw(math.pi*0.25)
elseif (node.param2 ~= 0 and (def.wield_image == ""
or def.wield_image == nil))
or def.drawtype == "signlike"
or def.drawtype == "mesh"
or def.drawtype == "normal"
or def.drawtype == "nodebox" then
if (def.paramtype2 == "facedir" or def.paramtype2 == "colorfacedir") then
local fdir = node.param2 % 32
-- Get rotation from a precalculated lookup table
local euler = facedir_to_euler[fdir + 1]
if euler then
self.object:set_rotation(euler)
end
elseif (def.paramtype2 == "wallmounted" or def.paramtype2 == "colorwallmounted") then
local rot = node.param2 % 8
local pitch, yaw, roll = 0, 0, 0
if rot == 1 then
pitch, yaw = math.pi, math.pi
elseif rot == 2 then
pitch, yaw = math.pi/2, math.pi/2
elseif rot == 3 then
pitch, yaw = math.pi/2, -math.pi/2
elseif rot == 4 then
pitch, yaw = math.pi/2, math.pi
elseif rot == 5 then
pitch, yaw = math.pi/2, 0
end
if def.drawtype == "signlike" then
pitch = pitch - math.pi/2
if rot == 0 then
yaw = yaw + math.pi/2
elseif rot == 1 then
yaw = yaw - math.pi/2
end
elseif def.drawtype == "mesh" or def.drawtype == "normal" then
if rot >= 0 and rot <= 1 then
roll = roll + math.pi
else
yaw = yaw + math.pi
end
end
self.object:set_rotation({x=pitch, y=yaw, z=roll})
end
end
end,

get_staticdata = function(self)

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