| 1 | var clone = require("./clone");
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| 2 |
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| 3 | module.exports = function splitFilmStripAnimations(animations) {
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| 4 | Object.keys(animations).forEach(function(key) {
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| 5 | var firstFrame = animations[key][0];
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| 6 | if (firstFrame.filmstripFrames) {
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| 7 | splitFilmStripAnimation(animations, key);
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| 8 | }
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| 9 | });
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| 10 | };
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| 11 |
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| 12 | function splitFilmStripAnimation(animations, key) {
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| 13 | var firstFrame = animations[key][0];
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| 14 | if (firstFrame.properties.image.sourceWidth % firstFrame.filmstripFrames != 0) {
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| 15 | console.warn("The \"" + key + "\" animation is " + firstFrame.properties.image.sourceWidth + " pixels wide and that is is not evenly divisible by " + firstFrame.filmstripFrames + " frames.");
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| 16 | }
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| 17 | for (var i = 0; i < firstFrame.filmstripFrames; i++) {
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| 18 | var frameWidth = firstFrame.properties.image.sourceWidth / firstFrame.filmstripFrames;
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| 19 | var newFrame = clone(firstFrame);
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| 20 | newFrame.properties.image.sourceX = frameWidth * i;
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| 21 | newFrame.properties.image.sourceWidth = frameWidth;
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| 22 | animations[key].push(newFrame);
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| 23 | }
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| 24 | animations[key].splice(0,1);
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| 25 | }
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