/**
* Pass a texture to the material shader.
*
* @param name the name of the texture defined in the material definition (j3md) (for example
* Texture for Lighting.j3md)
* @param value the Texture object previously loaded by the asset manager
*/
public void setTexture(String name, Texture value) {
if (value == null) {
// clear it
clearParam(name);
return;
}
VarType paramType = null;
switch (value.getType()) {
case TwoDimensional:
paramType = VarType.Texture2D;
break;
case TwoDimensionalArray:
paramType = VarType.TextureArray;
break;
case ThreeDimensional:
paramType = VarType.Texture3D;
break;
case CubeMap:
paramType = VarType.TextureCubeMap;
break;
default:
throw new UnsupportedOperationException("Unknown texture type: " + value.getType());
}
setTextureParam(name, paramType, value);
}
/**
* Pass a parameter to the material shader.
*
* @param name the name of the parameter defined in the material definition (j3md)
* @param type the type of the parameter {@link VarType}
* @param value the value of the parameter
*/
public void setParam(String name, VarType type, Object value) {
checkSetParam(type, name);
if (type.isTextureType()) {
setTextureParam(name, type, (Texture) value);
} else {
MatParam val = getParam(name);
if (val == null) {
MatParam paramDef = def.getMaterialParam(name);
paramValues.put(name, new MatParam(type, name, value, paramDef.getFixedFuncBinding()));
} else {
val.setValue(value);
}
if (technique != null) {
technique.notifyParamChanged(name, type, value);
}
}
}
private void readValueParam(String statement) throws IOException {
// Use limit=1 incase filename contains colons
String[] split = statement.split(":", 2);
if (split.length != 2) {
throw new IOException("Value parameter statement syntax incorrect");
}
String name = split[0].trim();
// parse value
MatParam p = material.getMaterialDef().getMaterialParam(name);
if (p == null) {
throw new IOException("The material parameter: " + name + " is undefined.");
}
Object valueObj = readValue(p.getVarType(), split[1]);
if (p.getVarType().isTextureType()) {
material.setTextureParam(name, p.getVarType(), (Texture) valueObj);
} else {
material.setParam(name, p.getVarType(), valueObj);
}
}
