233 lines
6.9 KiB
Lua
233 lines
6.9 KiB
Lua
function minetest.register_node(name, nodedef)
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nodedef.type = "node"
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if not nodedef.cause_drop then
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nodedef.cause_drop = function(pos, node)
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local b_pos = {x=pos.x,y=pos.y-1,z=pos.z}
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local b_node = minetest.get_node(b_pos)
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if minetest.registered_nodes[b_node.name].falling_node_walkable == false or
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minetest.registered_nodes[b_node.name].buildable_to then
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return true
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end
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end
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end
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if not nodedef.cause_fall then
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nodedef.cause_fall = function(pos, node)
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local b_pos = {x=pos.x,y=pos.y-1,z=pos.z}
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local b_node = minetest.get_node(b_pos)
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if minetest.registered_nodes[b_node.name].falling_node_walkable == false or
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minetest.registered_nodes[b_node.name].buildable_to then
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return true
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end
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end
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end
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if nodedef.falling_node_walkable == nil then
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nodedef.falling_node_walkable = true
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end
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minetest.register_item(name, nodedef)
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end
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realtest.registered_on_updatenodes = {}
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function realtest.register_on_updatenode(func)
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table.insert(realtest.registered_on_updatenodes, func)
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end
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minetest.register_on_updatenode = realtest.register_on_updatenode
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function nodeupdate_single(pos)
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for _, callback in ipairs(realtest.registered_on_updatenodes) do
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local node = minetest.get_node(pos)
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callback(pos, node)
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end
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end
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function nodeupdate(pos)
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for x = -1,1 do
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for y = -1,1 do
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for z = -1,1 do
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pos2 = {x=pos.x+x, y=pos.y+y, z=pos.z+z}
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nodeupdate_single(pos2)
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end
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end
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end
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end
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realtest.register_on_updatenode(function(pos, node)
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if minetest.get_node_group(node.name, "dropping_node") ~= 0 then
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if minetest.registered_nodes[node.name].cause_drop(pos, node) then
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local meta = minetest.get_meta(pos)
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if minetest.registered_nodes[node.name].on_dropping then
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minetest.registered_nodes[node.name].on_dropping(pos, node)
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else
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local drops = minetest.registered_nodes[node.name].drop_on_dropping or
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minetest.registered_nodes[node.name].drop or node.name
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if type(drops) == "string" then drops = {drops} end
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minetest.remove_node(pos)
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minetest.handle_node_drops(pos, drops)
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end
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if minetest.registered_nodes[node.name].after_dig_node then
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minetest.registered_nodes[node.name].after_dig_node(pos, node, meta, nil)
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end
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nodeupdate(pos)
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end
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end
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end)
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realtest.register_on_updatenode(function(pos, node)
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local b_node = minetest.get_node({x=pos.x,y=pos.y-1,z=pos.z})
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if minetest.get_node_group(node.name, "dropping_like_stone") ~= 0 and
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(minetest.registered_nodes[b_node.name].walkable == false or
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minetest.registered_nodes[b_node.name].buildable_to) then
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local sides = {{x=-1,y=0,z=0}, {x=1,y=0,z=0}, {x=0,y=0,z=-1}, {x=0,y=0,z=1}, {x=0,y=-1,z=0}, {x=0,y=1,z=0}}
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local drop = true
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for _, s in ipairs(sides) do
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if minetest.get_node_group(minetest.get_node({x=pos.x+s.x,y=pos.y+s.y,z=pos.z+s.z}).name, "dropping_like_stone") ~= 0 then
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drop = false
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break
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end
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end
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if drop then
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minetest.remove_node({x=pos.x,y=pos.y,z=pos.z})
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minetest.handle_node_drops(pos, {node.name})
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nodeupdate(pos)
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end
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end
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end)
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realtest.register_on_updatenode(function(pos, node)
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if minetest.get_node_group(node.name, "falling_node") ~= 0 then
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if minetest.registered_nodes[node.name].cause_fall(pos, node) then
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if minetest.registered_nodes[node.name].on_falling then
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minetest.registered_nodes[node.name].on_falling(pos, node)
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else
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minetest.remove_node(pos)
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spawn_falling_node(pos, node.name)
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end
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nodeupdate(pos)
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end
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end
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end)
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realtest.register_on_updatenode(function(pos, node)
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if minetest.get_node_group(node.name, "attached_node") ~= 0 then
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local function check_attached_node(p, n)
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local def = minetest.registered_nodes[n.name]
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local d = {x=0, y=0, z=0}
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if def.paramtype2 == "wallmounted" then
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if n.param2 == 0 then
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d.y = 1
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elseif n.param2 == 1 then
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d.y = -1
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elseif n.param2 == 2 then
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d.x = 1
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elseif n.param2 == 3 then
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d.x = -1
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elseif n.param2 == 4 then
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d.z = 1
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elseif n.param2 == 5 then
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d.z = -1
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end
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else
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d.y = -1
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end
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local p2 = {x=p.x+d.x, y=p.y+d.y, z=p.z+d.z}
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local nn = minetest.get_node(p2).name
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local def2 = minetest.registered_nodes[nn]
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if def2 and (not def2.walkable or def2.buildable_to) then
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return false
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end
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return true
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end
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if not check_attached_node(pos, node) then
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minetest.remove_node(pos)
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minetest.handle_node_drops(pos, minetest.get_node_drops(node.name, nil))
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nodeupdate(pos)
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end
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end
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end)
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minetest.register_entity(":__builtin:falling_node", {
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initial_properties = {
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physical = true,
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collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
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visual = "wielditem",
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textures = {},
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visual_size = {x=0.667, y=0.667},
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},
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nodename = "",
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set_node = function(self, nodename)
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self.nodename = nodename
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local stack = ItemStack(nodename)
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local itemtable = stack:to_table()
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local itemname = nil
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if itemtable then
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itemname = stack:to_table().name
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end
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local item_texture = nil
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local item_type = ""
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if minetest.registered_items[itemname] then
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item_texture = minetest.registered_items[itemname].inventory_image
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item_type = minetest.registered_items[itemname].type
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end
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prop = {
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is_visible = true,
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textures = {nodename},
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}
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self.object:set_properties(prop)
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end,
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get_staticdata = function(self)
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return self.nodename
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end,
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on_activate = function(self, staticdata)
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self.nodename = staticdata
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self.object:set_armor_groups({immortal=1})
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--self.object:setacceleration({x=0, y=-10, z=0})
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self:set_node(self.nodename)
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end,
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on_step = function(self, dtime)
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-- Set gravity
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self.object:setacceleration({x=0, y=-10, z=0})
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-- Turn to actual sand when collides to ground or just move
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local pos = self.object:getpos()
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local bcp = {x=pos.x, y=pos.y-0.7, z=pos.z} -- Position of bottom center point
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local bcn = minetest.get_node(bcp)
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-- Note: walkable is in the node definition, not in item groups
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if minetest.registered_nodes[bcn.name] and
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minetest.registered_nodes[bcn.name].falling_node_walkable then
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if minetest.registered_nodes[bcn.name].buildable_to then
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minetest.remove_node(bcp)
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return
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end
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local np = {x=bcp.x, y=bcp.y+1, z=bcp.z}
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-- Check what's here
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local n2 = minetest.get_node(np)
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-- If it's not air or liquid, remove node and replace it with
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-- it's drops
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if n2.name ~= "air" and (not minetest.registered_nodes[n2.name] or
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minetest.registered_nodes[n2.name].liquidtype == "none") then
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local drops = minetest.get_node_drops(n2.name, "")
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minetest.remove_node(np)
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-- Add dropped items
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local _, dropped_item
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for _, dropped_item in ipairs(drops) do
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minetest.add_item(np, dropped_item)
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end
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-- Run script hook
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local _, callback
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for _, callback in ipairs(minetest.registered_on_dignodes) do
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callback(np, n2, nil)
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end
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end
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-- Create node and remove entity
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minetest.add_node(np, {name=self.nodename})
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self.object:remove()
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nodeupdate(np)
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else
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-- Do nothing
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end
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end
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})
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