Files
GDevelop/Extensions/ExampleJsExtension/JsExtension.js
T
Florian Rival 02c65bcf66 [WIP] Add translations support, using js-lingui, to newIDE (including libGD.js)
* Upgrade to Flow 0.92 and make fixes for it
* Convert all extensions to use _("...") instead of t("...") for translations,
  to be able to be parsed by gettext
* Handle translation in JS extensions
* Move Providers out of MainFrame
* Remove i18next
* Adapt ExtractTranslations script to handle js files (for extensions)
2019-02-09 14:08:22 +00:00

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/**
* This is a declaration of an extension for GDevelop 5.
*
* ️ Run `node import-GDJS-Runtime.js` (in newIDE/app/scripts) if you make any change
* to this extension file or to any other *.js file that you reference inside.
*
* The file must be named "JsExtension.js", otherwise GDevelop won't load it.
* ⚠️ If you make a change and the extension is not loaded, open the developer console
* and search for any errors.
*
* More information on https://github.com/4ian/GDevelop/blob/master/newIDE/README-extensions.md
*/
module.exports = {
createExtension: function(_, gd) {
const extension = new gd.PlatformExtension();
extension.setExtensionInformation(
"MyDummyExtension",
"My Dummy Extension",
"An example of a declaration of an extension",
"Florian Rival",
"MIT"
);
// Declare conditions, actions or expressions:
extension
.addCondition(
"MyNewCondition",
_("Dummy condition example"),
_(
"This is an example of a condition displayed in the events sheet. Will return true if the number is less than 10 and the length of the text is less than 5."
),
_("Call the example condition with _PARAM0_ and _PARAM1_"),
_("Dummy Extension"),
"res/conditions/camera24.png",
"res/conditions/camera.png"
)
.addParameter("expression", _("Number 1"), "", false)
.addParameter("string", _("Text 1"), "", false)
.getCodeExtraInformation()
.setIncludeFile(
"Extensions/ExampleJsExtension/examplejsextensiontools.js"
)
.setFunctionName("gdjs.evtTools.exampleJsExtension.myConditionFunction");
extension
.addExpression(
"DummyExpression",
_("Dummy expression example"),
_("This is an example of an expression"),
_("Dummy Extension"),
"res/actions/camera.png"
)
.addParameter("expression", _("Maximum"), "", false)
.getCodeExtraInformation()
.setFunctionName("gdjs.random");
extension
.addStrExpression(
"DummyStrExpression",
_("Dummy string expression example"),
_("This is an example of an expression returning a string"),
_("Dummy Extension"),
"res/actions/camera.png"
)
.getCodeExtraInformation()
.setIncludeFile(
"Extensions/ExampleJsExtension/examplejsextensiontools.js"
)
.setFunctionName("gdjs.evtTools.exampleJsExtension.getString");
// Declare a behavior.
// Create a new gd.BehaviorJsImplementation object and implement the methods
// that are called to get and set the properties of the behavior.
// Everything that is stored inside the behavior is in "behaviorContent" and is automatically
// saved/loaded to JSON.
var dummyBehavior = new gd.BehaviorJsImplementation();
dummyBehavior.updateProperty = function(
behaviorContent,
propertyName,
newValue
) {
if (propertyName === "My first property") {
behaviorContent.property1 = newValue;
return true;
}
if (propertyName === "My other property") {
behaviorContent.property2 = newValue === "1";
return true;
}
return false;
};
dummyBehavior.getProperties = function(behaviorContent) {
var behaviorProperties = new gd.MapStringPropertyDescriptor();
behaviorProperties.set(
"My first property",
new gd.PropertyDescriptor(behaviorContent.property1)
);
behaviorProperties.set(
"My other property",
new gd.PropertyDescriptor(
behaviorContent.property2 ? "true" : "false"
).setType("Boolean")
);
return behaviorProperties;
};
dummyBehavior.setRawJSONContent(
JSON.stringify({
property1: "Initial value 1",
property2: true
})
);
extension
.addBehavior(
"DummyBehavior",
_("Dummy behavior for testing"),
"DummyBehavior",
_("This dummy behavior does nothing"),
"",
"CppPlatform/Extensions/topdownmovementicon.png",
"DummyBehavior",
dummyBehavior,
new gd.BehaviorsSharedData()
)
.setIncludeFile("Extensions/ExampleJsExtension/dummyruntimebehavior.js")
// You can optionally include more than one file when the behavior is used:
.addIncludeFile(
"Extensions/ExampleJsExtension/examplejsextensiontools.js"
);
// Declare another behavior, with shared data between the behaviors
// In addition to the usual behavior:
// Create a new gd.BehaviorSharedDataJsImplementation object and implement the methods
// that are called to get and set the properties of the shared data.
var dummyBehaviorWithSharedData = new gd.BehaviorJsImplementation();
dummyBehaviorWithSharedData.updateProperty = function(
behaviorContent,
propertyName,
newValue
) {
if (propertyName === "My behavior property") {
behaviorContent.property1 = newValue;
return true;
}
return false;
};
dummyBehaviorWithSharedData.getProperties = function(behaviorContent) {
var behaviorProperties = new gd.MapStringPropertyDescriptor();
behaviorProperties.set(
"My behavior property",
new gd.PropertyDescriptor(behaviorContent.property1)
);
return behaviorProperties;
};
dummyBehaviorWithSharedData.setRawJSONContent(
JSON.stringify({
property1: "Initial value 1"
})
);
var sharedData = new gd.BehaviorSharedDataJsImplementation();
sharedData.updateProperty = function(
sharedContent,
propertyName,
newValue
) {
if (propertyName === "My shared property") {
sharedContent.sharedProperty1 = newValue;
return true;
}
return false;
};
sharedData.getProperties = function(sharedContent) {
var sharedProperties = new gd.MapStringPropertyDescriptor();
sharedProperties.set(
"My shared property",
new gd.PropertyDescriptor(sharedContent.sharedProperty1 || "")
);
return sharedProperties;
};
sharedData.setRawJSONContent(
JSON.stringify({
sharedProperty1: "Initial shared value 1"
})
);
extension
.addBehavior(
"DummyBehaviorWithSharedData",
_("Dummy behavior with shared data for testing"),
"DummyBehaviorWithSharedData",
_("This dummy behavior uses shared data and does nothing"),
"",
"CppPlatform/Extensions/topdownmovementicon.png",
"DummyBehaviorWithSharedData",
dummyBehaviorWithSharedData,
sharedData
)
.setIncludeFile(
"Extensions/ExampleJsExtension/dummywithshareddataruntimebehavior.js"
)
// You can optionally include more than one file when the behavior is used:
.addIncludeFile(
"Extensions/ExampleJsExtension/examplejsextensiontools.js"
);
// Declare an object.
// Create a new gd.ObjectJsImplementation object and implement the methods
// that are called to get and set the properties of the object, as well
// as the properties of the initial instances of this object
// Everything that is stored inside the object is in "content" and is automatically
// saved/loaded to JSON.
var dummyObject = new gd.ObjectJsImplementation();
dummyObject.updateProperty = function(
objectContent,
propertyName,
newValue
) {
if (propertyName === "My first property") {
objectContent.property1 = newValue;
return true;
}
if (propertyName === "My other property") {
objectContent.property2 = newValue === "1";
return true;
}
if (propertyName === "My third property") {
objectContent.property3 = newValue;
return true;
}
return false;
};
dummyObject.getProperties = function(objectContent) {
var objectProperties = new gd.MapStringPropertyDescriptor();
objectProperties.set(
"My first property",
new gd.PropertyDescriptor(objectContent.property1)
);
objectProperties.set(
"My other property",
new gd.PropertyDescriptor(
objectContent.property2 ? "true" : "false"
).setType("boolean")
);
objectProperties.set(
"My third property",
new gd.PropertyDescriptor(objectContent.property3.toString()).setType(
"number"
)
);
return objectProperties;
};
dummyObject.setRawJSONContent(
JSON.stringify({
property1: "Hello world",
property2: true,
property3: 123
})
);
dummyObject.updateInitialInstanceProperty = function(
objectContent,
instance,
propertyName,
newValue,
project,
layout
) {
if (propertyName === "My instance property") {
instance.setRawStringProperty("instanceprop1", newValue);
return true;
}
if (propertyName === "My other instance property") {
instance.setRawFloatProperty("instanceprop2", parseFloat(newValue));
return true;
}
return false;
};
dummyObject.getInitialInstanceProperties = function(
content,
instance,
project,
layout
) {
var instanceProperties = new gd.MapStringPropertyDescriptor();
instanceProperties.set(
"My instance property",
new gd.PropertyDescriptor(
instance.getRawStringProperty("instanceprop1")
)
);
instanceProperties.set(
"My other instance property",
new gd.PropertyDescriptor(
instance.getRawFloatProperty("instanceprop2").toString()
).setType("number")
);
return instanceProperties;
};
const object = extension
.addObject(
"DummyObject",
_("Dummy object for testing"),
_("This dummy object does nothing"),
"CppPlatform/Extensions/topdownmovementicon.png",
dummyObject
)
.setIncludeFile("Extensions/ExampleJsExtension/dummyruntimeobject.js")
.addIncludeFile(
"Extensions/ExampleJsExtension/dummyruntimeobject-pixi-renderer.js"
);
object
.addAction(
"MyMethod",
t("Display a dummy text in Developer console"),
t(
"Display a dummy text in Developer console. Open it with CTRL-SHIFT-J (Cmd-Alt-J on macOS)."
),
t("Display a dummy text for _PARAM0_, with params: _PARAM1_, _PARAM2_"),
"",
"res/conditions/camera24.png",
"res/conditions/camera.png"
)
.addParameter("object", t("Object"), "DummyObject", false) // This parameter is mandatory for any object action/condition
.addParameter("expression", t("Number 1"), "", false)
.addParameter("string", t("Text 1"), "", false)
.getCodeExtraInformation()
.setFunctionName("myMethod");
return extension;
},
/**
* You can optionally add sanity tests that will check the basic working
* of your extension behaviors/objects by instanciating behaviors/objects
* and setting the property to a given value.
*
* If you don't have any tests, you can simply return an empty array like this:
* `runExtensionSanityTests: function(gd, extension) { return []; }`
*
* But it is recommended to create tests for the behaviors/objects properties you created
* to avoid mistakes.
*/
runExtensionSanityTests: function(gd, extension) {
const dummyBehavior = extension
.getBehaviorMetadata("MyDummyExtension::DummyBehavior")
.get();
const sharedData = extension
.getBehaviorMetadata("MyDummyExtension::DummyBehaviorWithSharedData")
.getSharedDataInstance();
return [
gd.ProjectHelper.sanityCheckBehaviorProperty(
dummyBehavior,
"My first property",
"Testing value"
),
gd.ProjectHelper.sanityCheckBehaviorsSharedDataProperty(
sharedData,
"My shared property",
"Testing value"
)
];
},
/**
* Register editors for objects.
*
* ️ Run `node import-GDJS-Runtime.js` (in newIDE/app/scripts) if you make any change.
*/
registerEditorConfigurations: function(objectsEditorService) {
objectsEditorService.registerEditorConfiguration(
"MyDummyExtension::DummyObject",
objectsEditorService.getDefaultObjectJsImplementationPropertiesEditor()
);
},
/**
* Register renderers for instance of objects on the scene editor.
*
* ️ Run `node import-GDJS-Runtime.js` (in newIDE/app/scripts) if you make any change.
*/
registerInstanceRenderers: function(objectsRenderingService) {
const RenderedInstance = objectsRenderingService.RenderedInstance;
const PIXI = objectsRenderingService.PIXI;
/**
* Renderer for instances of DummyObject inside the IDE.
*
* @extends RenderedInstance
* @class RenderedDummyObjectInstance
* @constructor
*/
function RenderedDummyObjectInstance(
project,
layout,
instance,
associatedObject,
pixiContainer,
pixiResourcesLoader
) {
RenderedInstance.call(
this,
project,
layout,
instance,
associatedObject,
pixiContainer,
pixiResourcesLoader
);
//Setup the PIXI object:
this._pixiObject = new PIXI.Tex_("This is a dummy object", {
align: "left"
});
this._pixiObject.anchor.x = 0.5;
this._pixiObject.anchor.y = 0.5;
this._pixiContainer.addChild(this._pixiObject);
this.update();
}
RenderedDummyObjectInstance.prototype = Object.create(
RenderedInstance.prototype
);
/**
* Return the path to the thumbnail of the specified object.
*/
RenderedDummyObjectInstance.getThumbnail = function(
project,
resourcesLoader,
object
) {
return "CppPlatform/Extensions/texticon24.png";
};
/**
* This is called to update the PIXI object on the scene editor
*/
RenderedDummyObjectInstance.prototype.update = function() {
// Read a property from the object
const property1Value = this._associatedObject
.getProperties(this.project)
.ge_("My first property")
.getValue();
this._pixiObject.text = property1Value;
// Read position and angle from the instance
this._pixiObject.position.x =
this._instance.getX() + this._pixiObject.width / 2;
this._pixiObject.position.y =
this._instance.getY() + this._pixiObject.height / 2;
this._pixiObject.rotation = RenderedInstance.toRad(
this._instance.getAngle()
);
// Custom size can be read in instance.getCustomWidth() and
// instance.getCustomHeight()
};
/**
* Return the width of the instance, when it's not resized.
*/
RenderedDummyObjectInstance.prototype.getDefaultWidth = function() {
return this._pixiObject.width;
};
/**
* Return the height of the instance, when it's not resized.
*/
RenderedDummyObjectInstance.prototype.getDefaultHeight = function() {
return this._pixiObject.height;
};
objectsRenderingService.registerInstanceRenderer(
"MyDummyExtension::DummyObject",
RenderedDummyObjectInstance
);
}
};