Server Bootstrap Info

Info copied from the ParticleQuest Etherpad here.

Initialization/World Setup

server/maps/world_server.json contains list of:

• width, height - of the map (in tiles, not pixels) Every tile is then identified with a number. The width and height is probably used to infer the (x,y) coordinates of every tile based on their id.
• collisions - IDs of the tiles where you cannot walk.
• doors - list of hashes of the form {"x":80,"y":211,"p":0,"tcx":148,"tcy":306,"to":"u","tx":155,"ty":311} (cf. Create a map using tiled map editor)
• checkpoints: {"id":1,"x":14,"y":210,"w":9,"h":2,"s":1}
• roaming areas: {"id":0,"x":10,"y":206,"width":13,"height":7,"type":"rat","nb":3} - defined an area with a specific type and number of mob characters present?
• chestAreas: {"x":2,"y":77,"w":6,"h":5,"i":[24,66],"tx":6,"ty":75}
• staticChests: staticChests":[{"x":157,"y":141,"i":[61]}
• staticEntities: {"1305":"spectre", ... "2997":"deathknight","3191":"eye","3251":"skeleton". ...
• tilesize: 16px.

Many of these information can be specified directly in Tiled Map Editor which has been used by designers to create the map. See Create a map using Tiled Map Editor.

server/js/worldserver.js reads this file and sets up all the entities

Initial Position

When a new client connects (XXX), it requests a position from the server (XXX).

The server/js/worldserver.js has a call back this.onPLayerConnect() that sets a random starting position either from within the last checkpoint of the player or, if a new player, chooses a random location from one of several startingAreas in server/js/map.js: getRandomStartingPosition().

Starting areas are those checkpoints (in the world_server.json) that have s == 1 (server/js/map.js: initCheckPoints().

Initial static entity positions - eg. you want to place an NPC in one of the starting areas:

• tile id vs. x,y position? in server/js/worldserver.js, spawnStaticEntities() calls map.tileIndexToGridPosition()

##Dependency graph The following graph was created using madge:

NB: maybe the lisibility of the graph could be improved by toying with madge parameters.