add pane variants of the octagon glass nodes (single, double and offset) (#41)

* add pane variants of the octagon glass nodes (single, double and offset)
* fix some indent issues
* added dark glass pane

Co-authored-by: BuckarooBanzay <BuckarooBanzay@users.noreply.github.com>

init.lua

@@ -21,3 +21,4 @@ dofile(MP.."/palm_scanner.lua")
 dofile(MP.."/digicode.lua")
 dofile(MP.."/models.lua")
 dofile(MP.."/crafts.lua")
+dofile(MP.."/octagon_panes.lua")

octagon_panes.lua

@@ -0,0 +1,111 @@
+
+local function register(basename, description, texture)
+  local nodename_single = "scifi_nodes:" .. basename .. "_pane"
+  local nodename_double = "scifi_nodes:" .. basename .. "_pane_double"
+  local nodename_offset = "scifi_nodes:" .. basename .. "_pane_offset"
+  local recipe_ingredient = "scifi_nodes:" .. basename
+
+  -- single height
+  minetest.register_node(nodename_single, {
+    description = description,
+    drawtype = "nodebox",
+    tiles = {
+      texture
+    },
+    wield_image = texture,
+    paramtype = "light",
+    paramtype2 = "facedir",
+    sunlight_propagates = true,
+    is_ground_content = false,
+    node_box = {
+      type = "fixed",
+      fixed = {{-0.5, -0.5, 0, 0.5, 0.5, 0}},
+    },
+    selection_box = {
+      type = "fixed",
+      fixed = {{-0.5, -0.5, -0.25, 0.5, 0.5, 0.25}},
+    },
+    groups = {cracky = 3, oddly_breakable_by_hand = 3},
+    use_texture_alpha = true,
+    sounds = default.node_sound_glass_defaults()
+  })
+
+  -- double height
+  minetest.register_node(nodename_double, {
+    description = description,
+    drawtype = "nodebox",
+    tiles = {
+      texture
+    },
+    wield_image = texture,
+    paramtype = "light",
+    paramtype2 = "facedir",
+    sunlight_propagates = true,
+    is_ground_content = false,
+    node_box = {
+      type = "fixed",
+      fixed = {{-0.5, -0.5, 0, 0.5, 1.5, 0}},
+    },
+    selection_box = {
+      type = "fixed",
+      fixed = {{-0.5, -0.5, -0.25, 0.5, 1.5, 0.25}},
+    },
+    groups = {cracky = 3, oddly_breakable_by_hand = 3},
+    use_texture_alpha = true,
+    sounds = default.node_sound_glass_defaults()
+  })
+
+  -- single height with offset
+  minetest.register_node(nodename_offset, {
+    description = description,
+    drawtype = "nodebox",
+    tiles = {
+      texture
+    },
+    wield_image = texture,
+    paramtype = "light",
+    paramtype2 = "facedir",
+    sunlight_propagates = true,
+    is_ground_content = false,
+    node_box = {
+      type = "fixed",
+      fixed = {{-0.5, -0.5, 1, 0.5, 0.5, 1}},
+    },
+    selection_box = {
+      type = "fixed",
+      fixed = {{-0.5, -0.5, 0.75, 0.5, 0.5, 1.25}},
+    },
+    groups = {cracky = 3, oddly_breakable_by_hand = 3},
+    use_texture_alpha = true,
+    sounds = default.node_sound_glass_defaults()
+  })
+
+  -- register recipes
+
+  minetest.register_craft({
+    output = nodename_single .. " 16",
+    recipe = {
+      {recipe_ingredient}
+    },
+  })
+
+  minetest.register_craft({
+    output = nodename_double .. " 16",
+    recipe = {
+      {recipe_ingredient},
+      {recipe_ingredient}
+    },
+  })
+
+  minetest.register_craft({
+    output = nodename_offset,
+    type = "shapeless",
+    recipe = {nodename_single},
+  })
+end
+
+register("octrng", "Orange Octagon Glass pane", "scifi_nodes_octrng.png")
+register("octgrn", "Green Octagon Glass pane", "scifi_nodes_octgrn.png")
+register("octbl", "Blue Octagon Glass pane", "scifi_nodes_octbl.png")
+register("octppl", "Purple Octagon Glass pane", "scifi_nodes_octppl.png")
+register("glass", "Dark Glass pane", "scifi_nodes_glass.png")