override wiki:wiki node

depends.txt

@@ -13,3 +13,4 @@ mobs_animal ?
 mobs_better_rat ?
 mobs_slimes ?
 mobs_sandworm ?
+wiki

nodes.lua

@@ -1,3 +1,60 @@
+-- TODO: refactor / cleanup
+--
+function illuna.wikiconstruct(pos)
+    local meta = minetest.get_meta(pos)
+    minetest.add_entity({x=pos.x, y=pos.y+0.96, z=pos.z}, "illuna:wikitop")
+    local timer = minetest.get_node_timer(pos)
+    timer:start(5.0)
+end
+
+function illuna.wikidestruct(pos)
+    for _, obj in pairs(minetest.get_objects_inside_radius(pos, 0.9)) do
+        if obj and obj:get_luaentity() and
+            obj:get_luaentity().name == "illuna:wikitop" then
+            obj:remove()
+            break
+        end
+    end
+end
+
+minetest.override_item("wiki:wiki", {
+    tiles= {
+        "illuna_wiki_top.png",
+        "illuna_wiki_bottom.png",
+        "illuna_wiki_side.png",
+        "illuna_wiki_side.png",
+        "illuna_wiki_side.png",
+        "illuna_wiki_side.png",
+    },
+    on_construct = illuna.wikiconstruct,
+    on_destruct = illuna.wikidestruct
+})
+
+minetest.register_entity("illuna:wikitop", {
+    visual = "wielditem",
+    visual_size = {x=0.4, y=0.4},
+    collisionbox = {0},
+    physical = false,
+    automatic_rotate = math.pi * 0.15,
+    nametag = "Illuna Wiki",
+    nametag_color = "#6893c4",
+    textures = {"illuna:wikitop"},
+    on_activate = function(self)
+        local pos = self.object:getpos()
+        local pos_under = {x=pos.x, y=pos.y-1, z=pos.z}
+        if minetest.get_node(pos_under).name ~= "wiki:wiki" then
+            self.object:remove()
+        end
+    end
+})
+
+--
+--
+
+minetest.register_craftitem("illuna:wikitop", {
+    inventory_image = "illuna_wikitop.png",
+})
+
 minetest.register_node("illuna:desert_gravel", {
 	description = "Gravel",
 	tiles = {"illuna_desertgravel.png"},