public override void Get(int index, ref Variable variable)
{
if (variable is VariableBase <T> )
{
VariableBase <T> vt = variable as VariableBase <T>;
vt.Value = collection[index];
}
else
{
Debug.LogError("Collection cannot get variable " + variable.Key + ". Is not matching type:" + typeof(T).Name);
}
}
// 获取，或添加变量
public VariableBase <T> GetOrAddVariable <T>(string variableKey, T defaultvalue, Type type)
{
Variable v = null;
VariableBase <T> vAsT = null;
// 返回：是否包含此变量
var res = variables.TryGetValue(variableKey, out v);
// 有找到变量
if (res && v != null)
{
vAsT = v as VariableBase <T>;
if (vAsT != null)
{
return(vAsT);
}
else
{
Debug.LogError("A fungus variable of name " + variableKey + " already exists, but of a different type");
}
}
else
{
// 没有找到变量
// 创建变量
// 添加到GlobalVariables的Flowchart中
//create the variable
vAsT = holder.gameObject.AddComponent(type) as VariableBase <T>;
vAsT.Value = defaultvalue;
vAsT.Key = variableKey;
vAsT.Scope = VariableScope.Public;
variables[variableKey] = vAsT;
// Q: 这里，为什么还要保存到一个FlowChart里？
holder.Variables.Add(vAsT);
}
return(vAsT);
}
