show Virtual area selection

Hey i currently try to show a virtual area but its not what i like it should be....

Ok first i tried

player.enableAreaSelectionTool(false);

player.setAreaSelectionData(area);

but i dont want to have the selection tool activated, just show the area. If i then call

player.disableAreaSelectionTool();

the selection is invisible again... i tried many things but could not get it as i like it.

Only once it closely behaved like i wanted it, but that was after many plugin reloads and gm switches.
After relog it was not behaving like i wanted it again.

UPDATE:

I've managed to to a trick to get it working like i want it to:

                    if (!player.hasAttribute("selectionToolHack")) {
                        player.setAttribute("selectionToolHack", true);
                        player.enableAreaSelectionTool(false);
                        player.enableAreaSelectionTool(false);
                        player.disableAreaSelectionTool();
}

If i call enable twice and disable afterwards the visibility seems to stay but the selectiontool stays disabled. This is not as elegant as i was looking for but still its working for now. I only need to do this hack once a session so i added a player attribute.

Its for my current plugin im working on Land Claim - (i started it for the Java version but never finished it before the unity news).

Its an option to turn on borders of the current chunk, if the player moves to another chunk with active option the virtual border is updated to the chunk he enters.

The player does not need to set any area, its calculated from the chunk he enters, so in theory the tool is not even needed but if i do not activate it, the area is not shown.

Your way is good to know but i think i would have to (re)move it somehow if the player moves or disables this feature.

edit: Ii just walked through the javadoc, maybe i can use setAttribute to store a ref to the area3d too, so i can update it on change or remove it precisely.

The docs say addGameObject should not be called so often, so i tried to update the Area3D object but it seems not to update it actually

    public void updateVirtualAreaFrameForPlayer(Player player, Area area) {
        Area3D chunkBorderArea = ((Area3D) player.getAttribute("virtualAreaFrame"));
        if (area == null) {
            if (chunkBorderArea != null) {
                player.removeGameObject(chunkBorderArea);
                player.deleteAttribute("virtualAreaFrame");
                player.sendTextMessage("debug:> virtualAreaFrame removed");
            }
            return;
        }
        if (chunkBorderArea == null) {
            chunkBorderArea = new Area3D(area);
            // chunkBorderArea.setAlwaysVisible(true);
            chunkBorderArea.setColor(borderColor);
            chunkBorderArea.setFrameColor(frameColor);
            chunkBorderArea.setFrameVisible(true);
            player.setAttribute("virtualAreaFrame", chunkBorderArea);
            player.addGameObject(chunkBorderArea);
            player.sendTextMessage("debug:> virtualAreaFrame added");
        } else {
            // Nullpointer exception on setStartPosition
            // Area current = chunkBorderArea.getArea();
            // current.setStartPosition(area.getStartPosition());
            // current.setEndPosition(area.getEndPosition());
            // chunkBorderArea.setArea(current);
            chunkBorderArea.setArea(area);

            player.sendTextMessage("debug:> virtualAreaFrame updated");
        }
    }

Some exceptions i got while testing:

java.lang.NullPointerException: Cannot read field "handle" because "net.risingworld.api.objects.Area.INFINITE" is null
    at net.risingworld.api.objects.Area.destroy(Area.java:393)

java.lang.NullPointerException: Cannot read field "handle" because "net.risingworld.api.objects.Area.INFINITE" is null
    at net.risingworld.api.objects.Area.setStartPosition(Area.java:307)

java.lang.NullPointerException: Cannot read field "handle" because "net.risingworld.api.objects.Area.INFINITE" is null
    at net.risingworld.api.objects.Area.set(Area.java:328)

Im not sure (joking) but a public static final field should not be NULL ? red51