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add MaterialTileMapping

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Gered 2014-04-15 16:21:12 -04:00
parent f6bf494ee8
commit ef12cab540
1 changed files with 76 additions and 0 deletions
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src/main/java/ca/blarg/gdx/graphics/atlas/MaterialTileMapping.java Normal file
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package ca.blarg.gdx.graphics.atlas;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.utils.ObjectMap;
public class MaterialTileMapping {
public class TileTexture {
public TextureRegion region;
public float materialMinU = 0.0f;
public float materialMaxU = 1.0f;
public float materialMinV = 0.0f;
public float materialMaxV = 1.0f;
}
final ObjectMap<String, TileTexture> mappings;
public final TextureAtlas atlas;
public MaterialTileMapping(TextureAtlas atlas) {
if (atlas == null)
throw new IllegalArgumentException("atlas cannot be null.");
this.mappings = new ObjectMap<String, TileTexture>();
this.atlas = atlas;
}
public MaterialTileMapping add(String materialName, TextureRegion region) {
if (mappings.containsKey(materialName))
throw new UnsupportedOperationException(String.format("Material '%s' already exists.", materialName));
TileTexture tileTexture = new TileTexture();
tileTexture.region = region;
mappings.put(materialName, tileTexture);
return this;
}
public MaterialTileMapping add(String materialName, TextureRegion region, float materialMinU, float materialMaxU, float materialMinV, float materialMaxV) {
if (mappings.containsKey(materialName))
throw new UnsupportedOperationException(String.format("Material '%s' already exists.", materialName));
TileTexture tileTexture = new TileTexture();
tileTexture.region = region;
tileTexture.materialMinU = materialMinU;
tileTexture.materialMaxU = materialMaxU;
tileTexture.materialMinV = materialMinV;
tileTexture.materialMaxV = materialMaxV;
mappings.put(materialName, tileTexture);
return this;
}
public TileTexture get(String materialName) {
return mappings.get(materialName);
}
public void scaleUV(String materialName, Vector2 srcTexCoord, Vector2 out) {
TileTexture tileTexture = mappings.get(materialName);
if (tileTexture == null)
throw new IllegalArgumentException("No matching material.");
out.x = TextureAtlas.scaleTexCoordU(srcTexCoord.x, tileTexture.materialMinU, tileTexture.materialMaxU, tileTexture.region);
out.y = TextureAtlas.scaleTexCoordV(srcTexCoord.y, tileTexture.materialMinV, tileTexture.materialMaxV, tileTexture.region);
}
public void scaleUV(String materialName, float srcU, float srcV, Vector2 out) {
TileTexture tileTexture = mappings.get(materialName);
if (tileTexture == null)
throw new IllegalArgumentException("No matching material.");
out.x = TextureAtlas.scaleTexCoordU(srcU, tileTexture.materialMinU, tileTexture.materialMaxU, tileTexture.region);
out.y = TextureAtlas.scaleTexCoordV(srcV, tileTexture.materialMinV, tileTexture.materialMaxV, tileTexture.region);
}
public void clear() {
mappings.clear();
}
}