[2.1.14] Strange order of drawing heat pipe connection patches sprite

[ldinc]

Using 2.1.14 game version I see the "reactor-connect-patches.png" or heat pipe original sprite overlap don't properly applied to nuclear reactor. Seems it render after "reactor-pipes.png" layer.

I'm not sure is it bug, or just design.
In game rendering -

08-08-2026, 06-49-49.png (206.97 KiB) Viewed 1127 times

My own test -

08-08-2026, 06-47-44.png (550.06 KiB) Viewed 1127 times

[Rseding91]

Thanks for the report however I'm not sure what I'm looking at or what's not rendering how you think it should be rendering.

Do you have an example mod, and could you point me at exactly what's not rendering right?

[ldinc]

There is in base game "nuclear-reactor" entity with different spritesheets parts (layers maybe) like "lower_layer_picture", "connection_patches_connected":

The entity code with layer definitions:

Code: Select all

lower_layer_picture =
    {
      filename = "__base__/graphics/entity/nuclear-reactor/reactor-pipes.png",
      ...
    },
    heat_lower_layer_picture = apply_heat_pipe_glow
    {
      filename = "__base__/graphics/entity/nuclear-reactor/reactor-pipes-heated.png",
      ...
    },

    picture =
    {
      layers =
      {
        {
          filename = "__base__/graphics/entity/nuclear-reactor/reactor.png",
          ...
        },
        {
          filename = "__base__/graphics/entity/nuclear-reactor/reactor-shadow.png",
          ...
        }
      }
    },

    working_light_picture =
    {
      ...
    },
      heat_picture = apply_heat_pipe_glow
      {
      ...
    },

    connection_patches_connected =
    {
      sheet =
      {
        filename = "__base__/graphics/entity/nuclear-reactor/reactor-connect-patches.png",
        ...
      }
    },

    connection_patches_disconnected =
    {
      sheet =
      {
        filename = "__base__/graphics/entity/nuclear-reactor/reactor-connect-patches.png",
        ...
      }
    },

    heat_connection_patches_connected =
    {
      sheet = apply_heat_pipe_glow
      {
        filename = "__base__/graphics/entity/nuclear-reactor/reactor-connect-patches-heated.png",
        ...
      }
    },

    heat_connection_patches_disconnected =
    {
      sheet = apply_heat_pipe_glow
      {
        filename = "__base__/graphics/entity/nuclear-reactor/reactor-connect-patches-heated.png",
        ...
      }
    },

Visually I expect to see connection_patches_disconnected/connection_patches_connected layern to be under lower_layer_picture.

reactor-pipes.png (38.79 KiB) Viewed 309 times

reactor-connect-patches.png (46.38 KiB) Viewed 309 times

The game current render sequence:

08-22-2026, 12-57-36.png (102.83 KiB) Viewed 309 times

What I expect to see:

08-22-2026, 13-09-44.png (252.6 KiB) Viewed 305 times

Sorry, I don't have idea how to write visual mod to show the difference. Only can show via graphical editor (manually combines layers).

[ldinc]

08-22-2026, 13-18-09.png (423.91 KiB) Viewed 299 times