phaser/src/gameobjects/tilesprite/TileSprite.js
2018-01-22 18:53:15 -03:00

118 lines
3.3 KiB
JavaScript

var CanvasPool = require('../../display/canvas/CanvasPool');
var Class = require('../../utils/Class');
var Components = require('../components');
var GameObject = require('../GameObject');
var GetPowerOfTwo = require('../../math/pow2/GetPowerOfTwo');
var TileSpriteRender = require('./TileSpriteRender');
var TileSprite = new Class({
Extends: GameObject,
Mixins: [
Components.Alpha,
Components.BlendMode,
Components.Flip,
Components.GetBounds,
Components.Origin,
Components.ScaleMode,
Components.ScrollFactor,
Components.Size,
Components.Texture,
Components.Tint,
Components.Transform,
Components.Visible,
TileSpriteRender
],
initialize:
function TileSprite (scene, x, y, width, height, texture, frame)
{
var resourceManager = scene.sys.game.renderer.resourceManager;
GameObject.call(this, scene, 'TileSprite');
this.tilePositionX = 0;
this.tilePositionY = 0;
this.dirty = true;
this.tileTexture = null;
this.renderer = null;
this.setTexture(texture, frame);
this.setPosition(x, y);
this.setSize(width, height);
this.setOrigin();
this.potWidth = GetPowerOfTwo(this.frame.width);
this.potHeight = GetPowerOfTwo(this.frame.height);
this.canvasPattern = null;
if (resourceManager)
{
this.renderer = scene.sys.game.renderer;
var gl = scene.sys.game.renderer.gl;
this.tileTexture = resourceManager.createTexture(0, gl.LINEAR, gl.LINEAR, gl.REPEAT, gl.REPEAT, gl.RGBA, this.canvasBuffer, this.potWidth, this.potHeight);
}
this.canvasBuffer = CanvasPool.create2D(null, this.potWidth, this.potHeight);
this.canvasBufferCtx = this.canvasBuffer.getContext('2d');
this.updateTileTexture();
var _this = this;
scene.sys.game.renderer.addContextRestoredCallback(function (renderer) {
_this.tileTexture = null;
_this.dirty = true;
_this.tileTexture = resourceManager.createTexture(0, gl.LINEAR, gl.LINEAR, gl.REPEAT, gl.REPEAT, gl.RGBA, _this.canvasBuffer, _this.potWidth, _this.potHeight);
});
},
updateTileTexture: function ()
{
if (!this.dirty)
{
return;
}
this.canvasBufferCtx.drawImage(
this.frame.source.image,
this.frame.cutX, this.frame.cutY,
this.frame.cutWidth, this.frame.cutHeight,
0, 0,
this.potWidth, this.potHeight
);
if (this.renderer)
{
this.renderer.uploadCanvasToGPU(this.canvasBuffer, this.tileTexture, false);
}
else
{
this.canvasPattern = this.canvasBufferCtx.createPattern(this.canvasBuffer, 'repeat');
}
this.dirty = false;
},
destroy: function ()
{
if (this.renderer)
{
this.renderer.gl.deleteTexture(this.tileTexture);
}
CanvasPool.remove(this.canvasBuffer);
this.canvasPattern = null;
this.canvasBufferCtx = null;
this.canvasBuffer = null;
this.renderer = null;
this.visible = false;
}
});
module.exports = TileSprite;