*/
public Material getParticlesMaterial(Material material, Integer alphaMaskIndex, BlenderContext blenderContext) {
Material result = new Material(blenderContext.getAssetManager(), "Common/MatDefs/Misc/Particle.j3md");
// copying texture
MatParam diffuseMap = material.getParam("DiffuseMap");
if (diffuseMap != null) {
Texture texture = ((Texture) diffuseMap.getValue()).clone();
// applying alpha mask to the texture
Image image = texture.getImage();
ByteBuffer sourceBB = image.getData(0);
sourceBB.rewind();
int w = image.getWidth();
int h = image.getHeight();
ByteBuffer bb = BufferUtils.createByteBuffer(w * h * 4);
IAlphaMask iAlphaMask = alphaMasks.get(alphaMaskIndex);
iAlphaMask.setImageSize(w, h);
for (int x = 0; x < w; ++x) {
for (int y = 0; y < h; ++y) {
bb.put(sourceBB.get());
bb.put(sourceBB.get());
bb.put(sourceBB.get());
bb.put(iAlphaMask.getAlpha(x, y));
}
}
image = new Image(Format.RGBA8, w, h, bb);
texture.setImage(image);
result.setTextureParam("Texture", VarType.Texture2D, texture);
}
// copying glow color
MatParam glowColor = material.getParam("GlowColor");
if (glowColor != null) {
ColorRGBA color = (ColorRGBA) glowColor.getValue();
result.setParam("GlowColor", VarType.Vector3, color);
}
return result;
}