Made init and node definitions and added wire (raillike) texture

depends.txt

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+default

init.lua

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+local mod_name="portal"
+local node_group
+--if creative mode make diggable
+if minetest.setting_getbool("creative_mode") then
+    print("HABALAMASNDWDWHD")
+    node_group = {dig_immediate=3}
+else
+    node_group = {immortal}
+end
+--regster nodes
+local solid = {
+    'node_acid',
+    'node_companion',
+    'node_floor_checker',
+    'node_floor_checker_white',
+    'node_unbreakable_half',
+    'node_unbreakable_one',
+    'node_unbreakable_quart',
+    'node_wall_bottom',
+    'node_wall_top',
+}
+local luminescent = {
+    'node_wall_bottom_light',
+}
+local transparent = {
+    'node_mesh',
+}
+local sign = {
+    'sign_arrow_down',
+    'sign_arrow_left',
+    'sign_arrow_right',
+    'sign_arrow_up',
+    'sign_cake',
+    'sign_cube',
+    'sign_exit',
+    'sign_number_1',
+    'sign_number_2',
+    'sign_number_3',
+    'sign_number_4',
+    'sign_number_5',
+    'sign_number_6',
+    'sign_number_7',
+    'sign_number_8',
+    'sign_number_9',
+    'sign_false',
+    'sign_true',
+}
+local wire = {
+    'wire_false',
+    'wire_true',
+}
+
+for i, name in ipairs(wire) do
+    minetest.register_node(mod_name..":"..name,{
+        description = name,
+        paramtype = "light",
+        tile_images = {name..".png"},
+        groups = node_group,
+        drawtype="raillike",
+        walkable = false,
+	    selection_box = {
+		    type = "fixed",
+                    -- but how to specify the dimensions for curved and sideways rails?
+                    fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
+	    },
+    })
+end
+for i, name in ipairs(solid) do
+  minetest.register_node(mod_name..":"..name,{
+    description = name,
+    tile_images = {name..".png"},
+    groups = node_group,
+    sounds = default.node_sound_stone_defaults(),
+  })
+end
+for i, name in ipairs(transparent) do
+  minetest.register_node(mod_name..":"..name,{
+    description = name,
+    tile_images = {name..".png"},
+    drawtype = "glasslike",
+    paramtype = "light",
+    groups = node_group,
+  })
+end
+for i, name in ipairs(sign) do
+    minetest.register_node(mod_name..":"..name,{
+        description = name,
+        paramtype = "light",
+        light_source = 5,
+        walkable = false,
+        sunlight_propagates = true,
+        tile_images = {name..".png"},
+        drawtype = "signlike",
+        paramtype2 = 'wallmounted',
+        selection_box = {
+        type = "wallmounted",
+        --wall_side = = <default>
+        },
+        inventory_image = name..".png",
+        wield_image = name..".png",
+        groups = node_group,
+    })
+end
+for i, name in ipairs(luminescent) do
+    minetest.register_node(mod_name..":"..name,{
+        description = name,
+        light_source = 5,
+        tile_images = {name..".png"},
+        groups = node_group,
+    })
+end
+--end
+print("["..mod_name.."] Loaded!")