CodeGenFile generateSystem(string contextName, ComponentData data)
{
var optionalContextName = data.GetContextNames().Length > 1 ? contextName : string.Empty;
var componentName = data.GetTypeName().ToComponentName(_ignoreNamespacesConfig.ignoreNamespaces);
var memberData = data.GetMemberData();
var methodArgs = ", " + (memberData.Length == 0
? data.GetUniquePrefix() + componentName
: getMethodArgs(memberData));
var eventTypeSuffix = string.Empty;
var filter = string.Empty;
if (data.GetMemberData().Length == 0)
{
switch (data.GetEventType())
{
case EventType.Added:
eventTypeSuffix = "Added";
methodArgs = string.Empty;
filter = "entity." + data.GetUniquePrefix() + componentName;
break;
case EventType.Removed:
eventTypeSuffix = "Removed";
methodArgs = string.Empty;
filter = "!entity." + data.GetUniquePrefix() + componentName;
break;
case EventType.AddedOrRemoved:
filter = "true";
break;
}
}
else
{
switch (data.GetEventType())
{
case EventType.Added:
filter = "entity.has" + componentName;
break;
case EventType.Removed:
eventTypeSuffix = "Removed";
methodArgs = string.Empty;
filter = "!entity.has" + componentName;
break;
case EventType.AddedOrRemoved:
eventTypeSuffix = "AddedOrRemoved";
filter = "true";
break;
}
}
if (data.GetEventBindToEntity())
{
if (filter == "true")
{
filter = "entity.has${OptionalContextName}${ComponentName}Listener";
}
else
{
filter += " && entity.has${OptionalContextName}${ComponentName}Listener";
}
}
filter = filter
.Replace("${OptionalContextName}", optionalContextName)
.Replace("${ComponentName}", componentName);
var cachedAccess = memberData.Length == 0
? "var " + data.GetUniquePrefix() + componentName + " = e." + data.GetUniquePrefix() + componentName + ";"
: "var component = e." + componentName.LowercaseFirst() + ";";
var template = data.GetEventBindToEntity()
? ENTITY_SYSTEM_TEMPLATE
: SYSTEM_TEMPLATE;
var fileContent = template
.Replace("${ContextName}", contextName)
.Replace("${contextName}", contextName.LowercaseFirst())
.Replace("${OptionalContextName}", optionalContextName)
.Replace("${optionalContextName}", optionalContextName == string.Empty ? string.Empty : optionalContextName.LowercaseFirst())
.Replace("${ComponentName}", componentName)
.Replace("${contextDependentComponentName}", optionalContextName == string.Empty ? componentName.LowercaseFirst() : componentName)
.Replace("${GroupEvent}", data.GetEventType().ToString())
.Replace("${filter}", filter)
.Replace("${cachedAccess}", cachedAccess)
.Replace("${EventType}", eventTypeSuffix)
.Replace("${methodArgs}", methodArgs);
return(new CodeGenFile(
"Events" + Path.DirectorySeparatorChar +
"Systems" + Path.DirectorySeparatorChar +
optionalContextName + componentName + "EventSystem.cs",
fileContent,
GetType().FullName
));
}
