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| Rev | Author | Line No. | Line |
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| 226 | chris | 1 | package com.gebauz.Bauzoid.graphics.sprite; |
| 2 | |||
| 3 | import com.badlogic.gdx.graphics.Texture; |
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| 4 | import com.gebauz.Bauzoid.graphics.Graphics; |
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| 5 | |||
| 6 | /** Sprite atlas. |
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| 7 | * Implements a sprite that defines multiple regions that can be used |
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| 8 | * as Sprite Atlas or as Animated Sprite. |
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| 9 | * |
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| 10 | */ |
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| 11 | public class AtlasSprite extends Sprite |
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| 12 | { |
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| 238 | chris | 13 | private SpriteRegion[] mRegions = null; |
| 226 | chris | 14 | |
| 233 | chris | 15 | /** Constructor. */ |
| 238 | chris | 16 | public AtlasSprite(Graphics graphics, Texture texture, SpriteRegion[] regions) |
| 226 | chris | 17 | { |
| 18 | super(graphics, texture); |
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| 19 | |||
| 20 | mRegions = regions; |
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| 21 | } |
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| 22 | |||
| 23 | public void dispose() |
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| 24 | { |
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| 25 | super.dispose(); |
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| 26 | mRegions = null; |
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| 27 | } |
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| 236 | chris | 28 | |
| 238 | chris | 29 | public final AtlasSpriteInstance createSpriteInstance(int regionIndex) |
| 236 | chris | 30 | { |
| 31 | return new AtlasSpriteInstance(this, regionIndex); |
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| 32 | } |
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| 233 | chris | 33 | |
| 226 | chris | 34 | public void update(float deltaTime) |
| 35 | { |
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| 36 | |||
| 37 | } |
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| 38 | |||
| 39 | public void render() |
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| 40 | { |
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| 233 | chris | 41 | } |
| 42 | |||
| 43 | public void render(int regionIndex) |
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| 44 | { |
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| 45 | if (mRegions == null) |
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| 46 | return; |
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| 226 | chris | 47 | |
| 238 | chris | 48 | SpriteRegion r = mRegions[regionIndex]; |
| 233 | chris | 49 | |
| 50 | float[] texCoords = { |
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| 51 | r.left, r.top, |
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| 52 | r.right, r.top, |
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| 53 | r.right, r.bottom, |
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| 54 | r.left, r.bottom |
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| 55 | }; |
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| 56 | |||
| 57 | mMesh.setTexCoords(texCoords); |
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| 58 | |||
| 59 | super.render(); |
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| 226 | chris | 60 | } |
| 61 | |||
| 233 | chris | 62 | /** Set absolute coordinates for given region. */ |
| 63 | public void setAbsolute(int regionIndex, float x, float y, float w, float h) |
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| 64 | { |
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| 65 | if ((mTexture == null) || (mRegions == null) || (regionIndex >= mRegions.length)) |
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| 66 | return; |
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| 67 | |||
| 68 | if (mRegions[regionIndex] == null) |
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| 69 | { |
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| 70 | // create region |
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| 238 | chris | 71 | mRegions[regionIndex] = new SpriteRegion(x, y, w, h); |
| 233 | chris | 72 | return; |
| 73 | } |
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| 74 | |||
| 75 | mRegions[regionIndex].setAbsolute(mTexture, x, y, w, h); |
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| 76 | } |
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| 77 | |||
| 78 | /** Get number of defined regions. */ |
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| 79 | public final int getRegionCount() |
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| 80 | { |
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| 81 | if (mRegions == null) |
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| 82 | return 0; |
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| 83 | |||
| 84 | return mRegions.length; |
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| 85 | } |
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| 86 | |||
| 87 | /** Get region. */ |
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| 238 | chris | 88 | public final SpriteRegion getRegion(int i) |
| 233 | chris | 89 | { |
| 90 | if (mRegions == null) |
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| 91 | return null; |
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| 92 | |||
| 93 | return mRegions[i]; |
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| 94 | } |
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| 95 | |||
| 96 | /** Get a region's width. */ |
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| 97 | public final float getRegionWidth(int i) |
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| 98 | { |
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| 99 | if (mRegions == null) |
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| 100 | return 0.0f; |
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| 101 | |||
| 102 | return (mRegions[i].right - mRegions[i].left) * mTexture.getWidth(); |
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| 103 | } |
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| 104 | |||
| 105 | /** Get a region's height. */ |
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| 106 | public final float getRegionHeight(int i) |
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| 107 | { |
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| 108 | if (mRegions == null) |
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| 109 | return 0.0f; |
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| 110 | |||
| 111 | return (mRegions[i].bottom - mRegions[i].top) * mTexture.getHeight(); |
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| 112 | } |
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| 113 | |||
| 226 | chris | 114 | } |
| 233 | chris | 115 | |
| 116 | |||
| 117 |