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128 lines (102 loc) · 4.26 KB
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pc.extend(pc, function () {
var _schema = [ 'enabled' ];
/**
* @name pc.ScriptComponentSystem
* @description Create a new ScriptComponentSystem
* @class Allows scripts to be attached to an Entity and executed
* @param {pc.Application} app The application
* @extends pc.ComponentSystem
*/
var ScriptComponentSystem = function ScriptComponentSystem(app) {
this.id = 'script';
this.app = app;
app.systems.add(this.id, this);
this.ComponentType = pc.ScriptComponent;
this.DataType = pc.ScriptComponentData;
this.schema = _schema;
// list of all entities script components
this._components = [ ];
this.on('beforeremove', this._onBeforeRemove, this);
pc.ComponentSystem.on('initialize', this._onInitialize, this);
pc.ComponentSystem.on('postInitialize', this._onPostInitialize, this);
pc.ComponentSystem.on('update', this._onUpdate, this);
pc.ComponentSystem.on('postUpdate', this._onPostUpdate, this);
};
ScriptComponentSystem = pc.inherits(ScriptComponentSystem, pc.ComponentSystem);
pc.Component._buildAccessors(pc.ScriptComponent.prototype, _schema);
pc.extend(ScriptComponentSystem.prototype, {
initializeComponentData: function(component, data, properties) {
this._components.push(component);
component.enabled = data.hasOwnProperty('enabled') ? !!data.enabled : true;
if (data.hasOwnProperty('order') && data.hasOwnProperty('scripts')) {
component._scriptsData = data.scripts;
for(var i = 0; i < data.order.length; i++) {
component.create(data.order[i], {
enabled: data.scripts[data.order[i]].enabled,
attributes: data.scripts[data.order[i]].attributes,
preloading: true
});
}
}
},
cloneComponent: function(entity, clone) {
var i, key;
var order = [ ];
var scripts = { };
for (i = 0; i < entity.script._scripts.length; i++) {
var scriptInstance = entity.script._scripts[i];
var scriptName = scriptInstance.__scriptType.__name;
order.push(scriptName);
var attributes = { };
for (key in scriptInstance.__attributes)
attributes[key] = scriptInstance.__attributes[key];
scripts[scriptName] = {
enabled: scriptInstance._enabled,
attributes: attributes
};
}
for (key in entity.script._scriptsIndex) {
var scriptData = entity.script._scriptsIndex[key];
if (key.awayting)
order.splice(key.ind, 0, key);
}
var data = {
enabled: entity.script.enabled,
order: order,
scripts: scripts
};
return this.addComponent(clone, data);
},
_callComponentMethod: function(name, dt) {
for(var i = 0; i < this._components.length; i++) {
if (! this._components[i].entity.enabled || ! this._components[i].enabled)
continue;
this._components[i][name](dt);
}
},
_onInitialize: function() {
// initialize attributes
for(var i = 0; i < this._components.length; i++)
this._components[i]._onInitializeAttributes();
this._callComponentMethod('_onInitialize');
},
_onPostInitialize: function() {
this._callComponentMethod('_onPostInitialize');
},
_onUpdate: function(dt) {
this._callComponentMethod('_onUpdate', dt);
},
_onPostUpdate: function(dt) {
this._callComponentMethod('_onPostUpdate', dt);
},
_onBeforeRemove: function(entity, component) {
var ind = this._components.indexOf(component);
if (ind === -1) return;
component._onBeforeRemove();
this._components.splice(ind, 1);
}
});
return {
ScriptComponentSystem: ScriptComponentSystem
};
}());