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Modding:Modder Guide/Game Fundamentals (view source)
Revision as of 23:55, 1 June 2018
, 23:55, 1 June 2018+ tiles and positions
This page explains some of the Stardew Valley fundamentals that are useful for modders. See also [[Modding:Common tasks]].
This page explains some of the Stardew Valley fundamentals that are useful for modders. See also [[Modding:Common tasks]].
==Data structures==
==Concepts==
===Tiles===
The world is laid out as a grid of ''tiles''. Each tile has an (x, y) coordinate which represents its position on the map, where (0, 0) is the top-left tile. The ''x'' value increases towards the right, and ''y'' increases downwards. For example:
[[File:Modding - creating an XNB mod - tile coordinates.png]]
===Positions===
The game uses three related coordinate systems:
* Things placed in the world have a ''[[#Tiles|tile position]]'', relative to the top-left corner of the map.
* Things in the world may also have an ''absolute pixel position'', relative to the top-left corner of the map. To convert a tile coordinate to a pixel coordinate, multiply it by <tt>Game1.tileSize</tt>; divide by <tt>Game1.tileSize</tt> for the reverse.
* Items are usually drawn on the screen using a ''screen pixel position'', relative to the top-left corner of the visible screen. To convert an absolute pixel coordinate to a screen coordinate, subtract it from <tt>Game1.viewport.X</tt> and <tt>Game1.viewport.Y</tt>.
===Net fields===
===Net fields===
{{upcoming|1.3}}
{{upcoming|1.3}}