* The coordinate in map grid, for example, the top-left tile has coordinate (0,0) */

https://youtrack.jetbrains.com/issue/KT-42743

TODO this should not in `game-api` module * We have to use instance method due to the defect of current module loading mechanism */

* Represents a list of animation frames. * * If startIndexInclusive == endIndexExclusive, it means a static frame (no animation). * Otherwise, it m

* A coordinate system for human reading: * * (0,0) -> (A, 0) * (0,1) -> (A, 1) * (1,1) -> (B, 1) * (2,1) -> (C, 1) * (3,1) -> (D, 1) * ... * (

* Play a series of frame repetitively or one-time. */

* An item may be able to applied to a specific mission, * for example, the key to open chest 1, the key to open chest 2, etc. * In this way, its "id

* When type == REPLY, payload is the return value * when type == REPLY_ERROR, payload is the error message */

* IMPORTANT NOTE: * * This should be kept sync with player table "server" index projection. */

* Upon mission completion, or item used, make some changes. */

* A DynamicSprite is added to the map and controlled by game script, * which is much more flexible. */

* Some data rendered to HTML page directly so it can be used * BEFORE AJAX resources are loaded. More specifically, everything needed for * loading

* Dynamic objects aren't displayed on the map directly, but added by game script * dynamically. A dynamic sprite's frames are stored in map global ti

* GameMapMission doesn't contain all information of missions, just partial of them * (id, title) to display them. The whole information is loaded via

* Records the challenge states on a specific map: * * - Challenge stars/accomplished. */

* Read data under `game-data/` directory. */

* A compressed layer contains multiple layers of blocks, * which will be drawn together to save image data volume. */

* Represents an abstract answer to a challenge. * It can be an answer from frontend, * or answer from GitHub webhook event. * * An answer is immut