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https://github.com/minetest-mods/digtron.git
synced 2024-07-07 08:15:22 +02:00
indicator entities for when Digtron can't be built
This commit is contained in:
FaceDeer
parent
f14b0a9a42
commit
292889651c
201
entities.lua
Normal file
201
entities.lua
Normal file
@ -0,0 +1,201 @@
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-- The default minetest.add_entity crashes with an exception if you try adding an entity in an unloaded area
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-- this wrapper catches that exception and just ignores it.
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digtron.safe_add_entity = function(pos, name)
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success, ret = pcall(minetest.add_entity, pos, name)
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if success then return ret else return nil end
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end
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local safe_add_entity = digtron.safe_add_entity
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-------------------------------------------------------------------------------------------------
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-- For displaying where things get built under which periodicities
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minetest.register_entity("digtron:marker", {
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initial_properties = {
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visual = "cube",
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visual_size = {x=1.05, y=1.05},
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textures = {"digtron_marker_side.png","digtron_marker_side.png","digtron_marker.png","digtron_marker.png","digtron_marker_side.png","digtron_marker_side.png"},
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collisionbox = {-0.525, -0.525, -0.525, 0.525, 0.525, 0.525},
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physical = false,
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},
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on_activate = function(self, staticdata)
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minetest.after(5.0,
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function(self)
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self.object:remove()
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end,
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self)
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end,
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on_rightclick=function(self, clicker)
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self.object:remove()
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end,
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on_punch = function(self, hitter)
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self.object:remove()
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end,
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})
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local vertical = {x=1.5708, y=0, z=0}
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-- TODO: update to new method of finding buildpos?
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-- TODO: add item indicator entity as well
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digtron.show_offset_markers = function(pos, offset, period)
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local buildpos = digtron.find_new_pos(pos, minetest.get_node(pos).param2)
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local x_pos = math.floor((buildpos.x+offset)/period)*period - offset
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safe_add_entity({x=x_pos, y=buildpos.y, z=buildpos.z}, "digtron:marker")
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if x_pos >= buildpos.x then
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safe_add_entity({x=x_pos - period, y=buildpos.y, z=buildpos.z}, "digtron:marker")
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end
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if x_pos <= buildpos.x then
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safe_add_entity({x=x_pos + period, y=buildpos.y, z=buildpos.z}, "digtron:marker")
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end
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local y_pos = math.floor((buildpos.y+offset)/period)*period - offset
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local entity = safe_add_entity({x=buildpos.x, y=y_pos, z=buildpos.z}, "digtron:marker")
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if entity ~= nil then entity:set_rotation(vertical) end
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if y_pos >= buildpos.y then
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local entity = safe_add_entity({x=buildpos.x, y=y_pos - period, z=buildpos.z}, "digtron:marker")
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if entity ~= nil then entity:set_rotation(vertical) end
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end
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if y_pos <= buildpos.y then
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local entity = safe_add_entity({x=buildpos.x, y=y_pos + period, z=buildpos.z}, "digtron:marker")
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if entity ~= nil then entity:set_rotation(vertical) end
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end
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local z_pos = math.floor((buildpos.z+offset)/period)*period - offset
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local entity = safe_add_entity({x=buildpos.x, y=buildpos.y, z=z_pos}, "digtron:marker")
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if entity ~= nil then entity:setyaw(1.5708) end
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if z_pos >= buildpos.z then
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local entity = safe_add_entity({x=buildpos.x, y=buildpos.y, z=z_pos - period}, "digtron:marker")
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if entity ~= nil then entity:setyaw(1.5708) end
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end
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if z_pos <= buildpos.z then
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local entity = safe_add_entity({x=buildpos.x, y=buildpos.y, z=z_pos + period}, "digtron:marker")
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if entity ~= nil then entity:setyaw(1.5708) end
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end
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end
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-----------------------------------------------------------------------------------------------
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-- For displaying whether nodes are part of a digtron or are obstructed
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minetest.register_entity("digtron:marker_crate_good", {
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initial_properties = {
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visual = "cube",
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visual_size = {x=1.05, y=1.05},
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textures = {"digtron_crate.png", "digtron_crate.png", "digtron_crate.png", "digtron_crate.png", "digtron_crate.png", "digtron_crate.png"},
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collisionbox = {-0.525, -0.525, -0.525, 0.525, 0.525, 0.525},
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physical = false,
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glow = minetest.LIGHT_MAX,
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},
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on_activate = function(self, staticdata)
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minetest.after(digtron.config.marker_crate_good_duration,
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function(self)
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self.object:remove()
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end,
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self)
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end,
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on_rightclick=function(self, clicker)
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self.object:remove()
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end,
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on_punch = function(self, hitter)
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self.object:remove()
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end,
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})
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minetest.register_entity("digtron:marker_crate_bad", {
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initial_properties = {
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visual = "cube",
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visual_size = {x=1.05, y=1.05},
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textures = {"digtron_no_entry.png", "digtron_no_entry.png", "digtron_no_entry.png", "digtron_no_entry.png", "digtron_no_entry.png", "digtron_no_entry.png"},
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collisionbox = {-0.525, -0.525, -0.525, 0.525, 0.525, 0.525},
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physical = false,
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glow = minetest.LIGHT_MAX,
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},
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on_activate = function(self, staticdata)
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minetest.after(digtron.config.marker_crate_bad_duration,
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function(self)
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self.object:remove()
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end,
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self)
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end,
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on_rightclick=function(self, clicker)
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self.object:remove()
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end,
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on_punch = function(self, hitter)
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self.object:remove()
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end,
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})
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-----------------------------------------------------------------------------------------------------------------
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-- Builder items
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digtron.remove_builder_item = function(pos)
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local objects = minetest.env:get_objects_inside_radius(pos, 0.5)
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if objects ~= nil then
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for _, obj in ipairs(objects) do
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if obj and obj:get_luaentity() and obj:get_luaentity().name == "digtron:builder_item" then
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obj:remove()
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end
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end
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end
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end
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digtron.update_builder_item = function(pos)
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digtron.remove_builder_item(pos)
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node_inventory_table.pos = pos
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local inv = minetest.get_inventory(node_inventory_table)
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local item_stack = inv:get_stack("main", 1)
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if not item_stack:is_empty() then
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digtron.create_builder_item = item_stack:get_name()
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minetest.add_entity(pos,"digtron:builder_item")
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end
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end
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minetest.register_entity("digtron:builder_item", {
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initial_properties = {
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hp_max = 1,
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is_visible = true,
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visual = "wielditem",
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visual_size = {x=0.25, y=0.25},
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collisionbox = {0,0,0,0,0,0},
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physical = false,
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textures = {""},
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automatic_rotate = math.pi * 0.25,
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},
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on_activate = function(self, staticdata)
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local props = self.object:get_properties()
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if staticdata ~= nil and staticdata ~= "" then
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local pos = self.object:getpos()
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local node = minetest.get_node(pos)
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if minetest.get_node_group(node.name, "digtron") ~= 4 then
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-- We were reactivated without a builder node on our location, self-destruct
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self.object:remove()
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return
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end
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props.textures = {staticdata}
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self.object:set_properties(props)
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elseif digtron.create_builder_item ~= nil then
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props.textures = {digtron.create_builder_item}
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self.object:set_properties(props)
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digtron.create_builder_item = nil
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else
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self.object:remove()
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end
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end,
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get_staticdata = function(self)
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local props = self.object:get_properties()
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if props ~= nil and props.textures ~= nil and props.textures[1] ~= nil then
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return props.textures[1]
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end
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return ""
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end,
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})
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@ -469,10 +469,10 @@ digtron.remove_from_world = function(digtron_id, root_pos, player_name)
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minetest.bulk_set_node(nodes_to_destroy, {name="air"})
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end
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digtron.build_to_world = function(digtron_id, root_pos, player_name)
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-- Tests if a Digtron can be built at the designated location
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digtron.is_buildable_to = function(digtron_id, root_pos, player_name, show_visualization)
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local layout = retrieve_layout(digtron_id)
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local root_hash = minetest.hash_node_position(root_pos)
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local nodes_to_create = {}
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local permitted = true
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for hash, data in pairs(layout) do
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@ -482,34 +482,49 @@ digtron.build_to_world = function(digtron_id, root_pos, player_name)
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-- TODO: lots of testing needed here
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if not (node_def and node_def.buildable_to) then
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minetest.chat_send_all("not permitted due to " .. node.name .. " at " .. minetest.pos_to_string(node_pos))
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permitted = false
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break
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end
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end
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if permitted then
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-- TODO: voxelmanip might be better here, less likely than with destroy though since metadata needs to be written
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for hash, data in pairs(layout) do
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local node_pos = minetest.get_position_from_hash(hash + root_hash - origin_hash)
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minetest.set_node(node_pos, data.node)
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local meta = minetest.get_meta(node_pos)
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for field, value in pairs(data.meta.fields) do
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meta:set_string(field, value)
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if not show_visualization then
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return false
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else
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permitted = false
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digtron.safe_add_entity(node_pos, "digtron:marker_crate_bad")
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end
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meta:set_string("digtron_id", digtron_id)
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meta:mark_as_private("digtron_id")
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-- Not needed - local inventories not used by active digtron, will be restored if disassembled
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-- local inv = meta:get_inventory()
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-- for listname, size in pairs(data.meta.inventory) do
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-- inv:set_size(listname, size)
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-- end
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elseif show_visualization then
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digtron.safe_add_entity(node_pos, "digtron:marker_crate_good")
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end
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local bbox = retrieve_bounding_box(digtron_id)
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persist_bounding_box(digtron_id, bbox)
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persist_pos(digtron_id, root_pos)
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end
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return permitted
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end
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-- Places the Digtron into the world.
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digtron.build_to_world = function(digtron_id, root_pos, player_name)
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local layout = retrieve_layout(digtron_id)
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local root_hash = minetest.hash_node_position(root_pos)
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if not digtron.is_buildable_to(digtron_id, root_pos, player_name, true) then
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return false
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end
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return permitted
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-- TODO: voxelmanip might be better here, less likely than with destroy though since metadata needs to be written
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for hash, data in pairs(layout) do
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local node_pos = minetest.get_position_from_hash(hash + root_hash - origin_hash)
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minetest.set_node(node_pos, data.node)
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local meta = minetest.get_meta(node_pos)
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for field, value in pairs(data.meta.fields) do
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meta:set_string(field, value)
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end
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meta:set_string("digtron_id", digtron_id)
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meta:mark_as_private("digtron_id")
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-- Not needed - local inventories not used by active digtron, will be restored if disassembled
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-- local inv = meta:get_inventory()
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-- for listname, size in pairs(data.meta.inventory) do
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-- inv:set_size(listname, size)
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-- end
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end
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local bbox = retrieve_bounding_box(digtron_id)
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persist_bounding_box(digtron_id, bbox)
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persist_pos(digtron_id, root_pos)
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return true
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end
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---------------------------------------------------------------------------------
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6
init.lua
6
init.lua
@ -1,8 +1,14 @@
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digtron = {}
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digtron.doc = {}
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digtron.config = {}
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digtron.config.marker_crate_bad_duration = 5
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digtron.config.marker_crate_good_duration = 5
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local modpath = minetest.get_modpath(minetest.get_current_modname())
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dofile(modpath.."/entities.lua")
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dofile(modpath.."/functions.lua")
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dofile(modpath.."/controller.lua")
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dofile(modpath.."/nodes/node_misc.lua")
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