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// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --allow-natives-syntax
var gdpRatio = 16/9;
function Foo(initialX, initialY, initialScale, initialMapHeight) {
this.ORIGIN = { x: initialX, y: initialY };
this.scale = initialScale;
this.mapHeight = initialMapHeight;
}
Foo.prototype.bar = function (x, y, xOffset, yOffset) {
var tileHeight = 64 * 0.25 * this.scale,
tileWidth = 128 * 0.25 * this.scale,
xOffset = xOffset * 0.5 || 0,
yOffset = yOffset * 0.5 || 0;
var xPos = ((xOffset) * gdpRatio) + this.ORIGIN.x * this.scale -
((y * tileWidth ) * gdpRatio) + ((x * tileWidth ) * gdpRatio);
var yPos = ((yOffset) * gdpRatio) + this.ORIGIN.y * this.scale +
((y * tileHeight) * gdpRatio) + ((x * tileHeight) * gdpRatio);
xPos = xPos - Math.round(((tileWidth) * gdpRatio)) +
this.mapHeight * Math.round(((tileWidth) * gdpRatio));
return {
x: Math.floor(xPos),
y: Math.floor(yPos)
};
}
var f = new Foo(10, 20, 2.5, 400);
function baz() {
var b = f.bar(1.1, 2.2, 3.3, 4.4);
assertEquals(56529, b.x);
assertEquals(288, b.y);
}
%PrepareFunctionForOptimization(Foo.prototype.bar);
baz();
baz();
%OptimizeFunctionOnNextCall(Foo.prototype.bar);
baz();
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