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);
}
}
/**
* Compares two materials and returns true if they are equal. This methods compare definition,
* parameters, additional render states. Since materials are mutable objects, implementing
* equals() properly is not possible, hence the name contentEquals().
*
* @param otherObj the material to compare to this material
* @return true if the materials are equal.
*/
public boolean contentEquals(Object otherObj) {
if (!(otherObj instanceof Material)) {
return false;
}
Material other = (Material) otherObj;
// Early exit if the material are the same object
if (this == other) {
return true;
}
// Check material definition
if (this.getMaterialDef() != other.getMaterialDef()) {
return false;
}
// Early exit if the size of the params is different
if (this.paramValues.size() != other.paramValues.size()) {
return false;
}
// Checking technique
if (this.technique != null || other.technique != null) {
// Techniques are considered equal if their names are the same
// E.g. if user chose custom technique for one material but
// uses default technique for other material, the materials
// are not equal.
String thisDefName = this.technique != null ? this.technique.getDef().getName() : "Default";
String otherDefName =
other.technique != null ? other.technique.getDef().getName() : "Default";
if (!thisDefName.equals(otherDefName)) {
return false;
}
}
// Comparing parameters
for (String paramKey : paramValues.keySet()) {
MatParam thisParam = this.getParam(paramKey);
MatParam otherParam = other.getParam(paramKey);
// This param does not exist in compared mat
if (otherParam == null) {
return false;
}
if (!otherParam.equals(thisParam)) {
return false;
}
}
// Comparing additional render states
if (additionalState == null) {
if (other.additionalState != null) {
return false;
}
} else {
if (!additionalState.equals(other.additionalState)) {
return false;
}
}
return true;
}