GridMap: hide tiles when mouse hovering over them (to give ability to see how gridmap will look like after placing new tile)

[avril-gh]

Operating system or device - Godot version:
windows 7, godot 2.1.alpha, android 4.2.2

Issue description (what happened, and what was expected):
Currently placing flat tiles is like work of blind man. Confusing and time consuming.

For example -

• first you place grass tiles,
• then you want to place lets say, road tiles, and here blind and time consuming work begins, because you can not see how the tile you want to put on this place will look, if it fits in this location ? if it looks good here ? maybe it should be rotated or not ? You cant tell it, because you see grass tile (the one that is allready placed) and will not see your road tile until you really place it. You gota imagine how it will look, risk and put it there to find out if it fits or not, and eventualy replace it back with grass or something else.

How should it be -

• first you place grass tiles, (or anything you like)
• then when you want to place road, you hover your road tile above grid and you see how it will look in this place because the tile under it should be temporarly hidden (so you can see road tile (which you hover) not grass tile (which actualy is in this position))

IMPROVEMENT PROPOSAL
its very simple change but brings huge improvement and workflow speed up
- when you hover one tile above place where allready is another tile
- this another tile should be temporarly hidden - so you can see how your new tile will look here, and decide if you want to put it here or not, rotate or maybe chose another tile.

or another idea, much simplier but little dirty,
make the cursor with hovering-tile become a tiny little bit above tile which is under it so you can see the hovering tile.

Steps to reproduce
Here is small movie on how it looks rite now.
You have grass tiles, and want to replace some with another tile (a road tile), but you cant see how it will look because you see the grass tiles until you replace it with your hovered tile.
You have to guess if it will look good, or try and place it then eventualy replace back - all around.
The other tile (grass) should be temporarly hidden when hovering another tile (road) above it.

[reduz]

gridmap is pending a rework, but is being kicked to 3.1

[dwlsalmeida]

@akien-mga any points to get started working on this? All I could find was that GridMapEditor::_update_cursor_transform() would translate the hovered tile. I have no idea how to get the tile that is currently under the cursor or how to hide it.

[ScribbleFen]

Is anyone working on this? I might want to try and look into it otherwise