// load game settings from a specified file name
public bool loadFrom(string fileName) {
// use a variable system to parse the settings file
VariableCollection newVariables = VariableCollection.readFrom(fileName);
if(newVariables == null) { return false; }
m_variables = newVariables;
// create local variables instantiated with data parsed from the variable system
return true;
}
// parse a collection of variables from a file
public static VariableCollection readFrom(string fileName) {
if(fileName == null || fileName.Length == 0) { return null; }
string data;
// open the file
StreamReader input = null;
try {
input = File.OpenText(fileName);
}
catch(Exception) {
return null;
}
VariableCollection variables = new VariableCollection();
string category = null;
int categoryIndex = -1;
// read to the end of the file
while((data = input.ReadLine()) != null) {
data = data.Trim();
if(data.Length == 0) {
category = null;
categoryIndex = -1;
continue;
}
// parse a category
if(data.Length >= 2 && data[0] == '[' && data[data.Length-1] == ']') {
category = data.Substring(1, data.Length - 2);
categoryIndex = variables.addCategory(category);
}
// parse a variable
else {
Variable v = Variable.parseFrom(data);
if(v != null) {
v.category = categoryIndex;
variables.addVariable(v);
}
}
}
if(input != null) { input.Close(); }
return variables;
}
public SettingsManager() {
m_variables = new VariableCollection();
reset();
}