Rework falling node code (now based on the falling_node group)

This commit is contained in:
Perttu Ahola 2012-04-08 17:49:02 +03:00
parent 279eff9a7f
commit 2302e55dbb

@ -766,7 +766,7 @@ minetest.register_node("default:sand", {
description = "Sand",
tile_images = {"default_sand.png"},
is_ground_content = true,
groups = {crumbly=3},
groups = {crumbly=3, falling_node=1},
sounds = default.node_sound_sand_defaults(),
})
@ -774,7 +774,7 @@ minetest.register_node("default:desert_sand", {
description = "Desert sand",
tile_images = {"default_desert_sand.png"},
is_ground_content = true,
groups = {sand=1, crumbly=3},
groups = {sand=1, crumbly=3, falling_node=1},
sounds = default.node_sound_sand_defaults(),
})
@ -782,7 +782,7 @@ minetest.register_node("default:gravel", {
description = "Gravel",
tile_images = {"default_gravel.png"},
is_ground_content = true,
groups = {crumbly=2},
groups = {crumbly=2, falling_node=1},
sounds = default.node_sound_dirt_defaults({
footstep = {name="default_gravel_footstep", gain=0.45},
}),
@ -1331,20 +1331,99 @@ minetest.add_to_creative_inventory('default:water_source')
minetest.add_to_creative_inventory('default:lava_source')
minetest.add_to_creative_inventory('default:ladder')
--
-- Falling stuff
--
minetest.register_entity("default:falling_node", {
initial_properties = {
physical = true,
collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
visual = "wielditem",
textures = {},
visual_size = {x=0.667, y=0.667},
},
nodename = "",
set_node = function(self, nodename)
self.nodename = nodename
local stack = ItemStack(nodename)
local itemtable = stack:to_table()
local itemname = nil
if itemtable then
itemname = stack:to_table().name
end
local item_texture = nil
local item_type = ""
if minetest.registered_items[itemname] then
item_texture = minetest.registered_items[itemname].inventory_image
item_type = minetest.registered_items[itemname].type
end
prop = {
is_visible = true,
textures = {nodename},
}
self.object:set_properties(prop)
end,
get_staticdata = function(self)
return self.nodename
end,
on_activate = function(self, staticdata)
self.nodename = staticdata
self.object:set_armor_groups({immortal=1})
--self.object:setacceleration({x=0, y=-10, z=0})
self:set_node(self.nodename)
end,
on_step = function(self, dtime)
-- Set gravity
self.object:setacceleration({x=0, y=-10, z=0})
-- Turn to actual sand when collides to ground or just move
local pos = self.object:getpos()
local bcp = {x=pos.x, y=pos.y-0.7, z=pos.z} -- Position of bottom center point
local bcn = minetest.env:get_node(bcp)
if bcn.name ~= "air" then
-- Turn to a sand node
local np = {x=bcp.x, y=bcp.y+1, z=bcp.z}
minetest.env:add_node(np, {name=self.nodename})
self.object:remove()
else
-- Do nothing
end
end
})
function default.spawn_falling_node(p, nodename)
obj = minetest.env:add_entity(p, "default:falling_node")
obj:get_luaentity():set_node(nodename)
end
-- Horrible crap to support old code
-- Don't use this and never do what this does, it's completely wrong!
-- (More specifically, the client and the C++ code doesn't get the group)
function default.register_falling_node(nodename, texture)
minetest.log("error", debug.traceback())
minetest.log('error', "WARNING: default.register_falling_node is deprecated")
if minetest.registered_nodes[nodename] then
minetest.registered_nodes[nodename].groups.falling_node = 1
end
end
--
-- Some common functions
--
default.falling_node_names = {}
function nodeupdate_single(p)
n = minetest.env:get_node(p)
if default.falling_node_names[n.name] ~= nil then
if minetest.registered_nodes[n.name] and minetest.registered_nodes[n.name].groups.falling_node and minetest.registered_nodes[n.name].groups.falling_node ~= 0 then
p_bottom = {x=p.x, y=p.y-1, z=p.z}
n_bottom = minetest.env:get_node(p_bottom)
if n_bottom.name == "air" then
minetest.env:remove_node(p)
minetest.env:add_entity(p, "default:falling_"..n.name)
default.spawn_falling_node(p, n.name)
nodeupdate(p)
end
end
@ -1361,44 +1440,6 @@ function nodeupdate(p)
end
end
--
-- Falling stuff
--
function default.register_falling_node(nodename, texture)
default.falling_node_names[nodename] = true
-- Override naming conventions for stuff like :default:falling_default:sand
minetest.register_entity(":default:falling_"..nodename, {
-- Static definition
physical = true,
collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
visual = "cube",
textures = {texture,texture,texture,texture,texture,texture},
-- State
-- Methods
on_step = function(self, dtime)
-- Set gravity
self.object:setacceleration({x=0, y=-10, z=0})
-- Turn to actual sand when collides to ground or just move
local pos = self.object:getpos()
local bcp = {x=pos.x, y=pos.y-0.7, z=pos.z} -- Position of bottom center point
local bcn = minetest.env:get_node(bcp)
if bcn.name ~= "air" then
-- Turn to a sand node
local np = {x=bcp.x, y=bcp.y+1, z=bcp.z}
minetest.env:add_node(np, {name=nodename})
self.object:remove()
else
-- Do nothing
end
end
})
end
default.register_falling_node("default:sand", "default_sand.png")
default.register_falling_node("default:gravel", "default_gravel.png")
default.register_falling_node("default:desert_sand", "default_desert_sand.png")
--
-- Global callbacks
--