Forums » Help » Extending a Player entity

Is it possible to make a player entity, and then make entities that "extend" that very entity, adding on to it?

What I'm trying to do is have 3 types of players: LocalPlayer, NetworkPlayer, and ComputerPlayer. All of them will share some common code, so I was hoping to put that code in player.js and extend from that.

Absolutely. EntityPlayer is ig.Entity subclass, and LocalPlayer, NetworkPlayer, and ComputerPlayer are EntityPlayer descendants.

If you don't want to pollute the WM entity popup with common (~abstract) class EntityPlayer, you can hide it from WM by putting it some place other than lib/game/entities, e.g.,:

lib/
lib/game/
lib/game/entities/
lib/game/entities/common/
lib/game/entities/common/player.js
lib/game/entities/local-player.js
lib/game/entities/network-player.js
lib/game/entities/computer-player.js

Thx for the WM tip!

Just wondering if you might be so king as to give a code example of how I might make a LocalPlayer entity. How will the first few lines look (the part that normally says that EntityPlayer extends ig.Entity)?

Will it just say instead that EntityLocalplayer extends ig.EntityPlayer?

Here's some kickstarting code:

lib/game/entities/common/player.js

ig.module(
	'game.entities.common.player'
)
.requires(
	'impact.entity'
)
.defines(function(){

EntityPlayer = ig.Entity.extend({
	
	size: {x: 8, y:14},
	offset: {x: 4, y: 2},
	init: function(x, y, settings)
	{
		// ...
	}
});
});

lib/game/entities/local-player.js

ig.module(
	'game.entities.local-player'
)
.requires(
	'game.entities.common.player'
)
.defines(function(){

EntityLocalPlayer = EntityPlayer.extend({
	
	size: {x: 8, y:14},
	offset: {x: 4, y: 2},
	init: function(x, y, settings)
	{
		// ...
	}
});
});

lib/game/entities/network-player.js

ig.module(
	'game.entities.network-player'
)
.requires(
	'game.entities.common.player'
)
.defines(function(){

EntityNetworkPlayer = EntityPlayer.extend({
	
	size: {x: 8, y:14},
	offset: {x: 4, y: 2},
	init: function(x, y, settings)
	{
		// ...
	}
});
});

Just what I needed to get started! :) Thanks alexandre.