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Custom Tile Render Size #3683
eishiya posted onGitHub
Problem
With the addition of the Tile Render Size: Map Grid Size option, using mixed-size tilesets in Tiled became a lot easier. However, this is still not enough for some tilesets - sometimes one needs to scale some tiles relative to others, but without necessarily making them the size of the tile grid - the tiles might still need to protrude from their cells rather than being scaled to fit within the cells.
Proposal
Two additional Tile Render Size options: Custom Size and Custom Scale. Custom Size would let the user set a pixel size to which the tiles are scaled, and Custom Scale would instead let the user set a custom scale factor (possibly independently in x and y). For the Custom Size option, the Fill Mode setting should still be respected, while for the Custom Scale, that setting would be irrelevant, just like it is irrelevant for the "Tile Size" option.
The actual custom size and scale input fields would be additional fields. To start with, they can be fields on the Tileset. Ideally, however, they should be per tile, with the Tilesets' properties just providing a default - not all tilesets have their tiles at the same visual scale, or the user may want to change the relative scales of some tiles.
UI-wise, the size/scale fields can be the same "Custom Render Width/Height" fields, with their type (int or float) and meaning changing based on the Tile Render Size setting. It would also be acceptable to make them completely separate fields, with the appropriate one used based on the current Tile Render Size setting.
Alternatives
Currently, users have to scale their original artwork to achieve the exact sizes they need. This makes it more difficult to iterate, and if the tiles are all in one tileset and need to be scaled by different amounts, it may requite completely rearranging the tileset. Another option is to use Tile Objects instead of tiles, as those can be resized freely, but that misses out on all the tile layer-exclusive tools and optimisations.
This feature was suggested by a user on Discord.
