/// <summary>
/// Verifies that all of created templates in the template context have an associated
/// definition in the list of template definitions.
/// </summary>
private void VerifyReferenceDefinitions(GameEngineContext engineContext, TemplateConversionContext templateContext, List<ContentTemplateSerializationFormat> templateDefinitions) {
// We only verify template definitions if we're restoring an for an engine; it does not
// matter if the templates are not fully instantiated if we're only in content editing
// mode, as no game code will be executed.
// TODO: do we really want to do this?
if (engineContext.GameEngine.IsEmpty) {
return;
}
// Get all of the ids for templates that we can restore
HashSet<int> restoredTemplates = new HashSet<int>();
foreach (var restoredTemplate in templateDefinitions) {
restoredTemplates.Add(restoredTemplate.TemplateId);
}
// For every template that we have already created a reference for, verify that we have
// an associated definition
foreach (var pair in templateContext.CreatedTemplates) {
ITemplate template = pair.Value;
if (restoredTemplates.Contains(template.TemplateId) == false) {
throw new InvalidOperationException("Found template reference with id=" +
template.TemplateId + ", but the ITemplateGroup had no corresponding " +
"template definition");
}
}
}
/// <summary>
/// Returns an entity instance for the given entity UniqueId. If an instance for the given
/// id already exists, then it is returned. Otherwise, either a RuntimeEntity or
/// ContentEntity is created.
/// </summary>
/// <param name="entityId">The id of the entity to get an instance for.</param>
/// <param name="context">The GameEngineContext, used to determine if we should create a
/// ContentTemplate or RuntimeTemplate instance.</param>
public IEntity GetEntityInstance(int entityId, GameEngineContext context) {
if (CreatedEntities.ContainsKey(entityId)) {
return CreatedEntities[entityId];
}
IEntity entity;
if (context.GameEngine.IsEmpty) {
entity = new ContentEntity();
}
else {
entity = new RuntimeEntity();
}
CreatedEntities[entityId] = entity;
return entity;
}
/// <summary>
/// Returns a template instance for the given TemplateId. If an instance for the given id
/// already exists, then it is returned. Otherwise, either a RuntimeTemplate or
/// ContentTemplate is created with an associated id based on the GameEngineContext.
/// </summary>
/// <param name="templateId">The id of the template to get an instance for.</param>
/// <param name="context">The GameEngineContext, used to determine if we should create a
/// ContentTemplate or RuntimeTemplate instance.</param>
public ITemplate GetTemplateInstance(int templateId, GameEngineContext context) {
if (CreatedTemplates.ContainsKey(templateId)) {
return CreatedTemplates[templateId];
}
ITemplate template;
if (context.GameEngine.IsEmpty) {
template = new ContentTemplate(templateId);
}
else {
template = new RuntimeTemplate(templateId, context.GameEngine.Value);
}
CreatedTemplates[templateId] = template;
return template;
}
/// <summary>
/// Returns an entity instance for the given entity UniqueId. If an instance for the given
/// id already exists, then it is returned. Otherwise, either a RuntimeEntity or
/// ContentEntity is created.
/// </summary>
/// <param name="entityId">The id of the entity to get an instance for.</param>
/// <param name="context">The GameEngineContext, used to determine if we should create a
/// ContentTemplate or RuntimeTemplate instance.</param>
public IEntity GetEntityInstance(int entityId, GameEngineContext context)
{
if (CreatedEntities.ContainsKey(entityId))
{
return(CreatedEntities[entityId]);
}
IEntity entity;
if (context.GameEngine.IsEmpty)
{
entity = new ContentEntity();
}
else
{
entity = new RuntimeEntity();
}
CreatedEntities[entityId] = entity;
return(entity);
}
/// <summary>
/// Returns a template instance for the given TemplateId. If an instance for the given id
/// already exists, then it is returned. Otherwise, either a RuntimeTemplate or
/// ContentTemplate is created with an associated id based on the GameEngineContext.
/// </summary>
/// <param name="templateId">The id of the template to get an instance for.</param>
/// <param name="context">The GameEngineContext, used to determine if we should create a
/// ContentTemplate or RuntimeTemplate instance.</param>
public ITemplate GetTemplateInstance(int templateId, GameEngineContext context)
{
if (CreatedTemplates.ContainsKey(templateId))
{
return(CreatedTemplates[templateId]);
}
ITemplate template;
if (context.GameEngine.IsEmpty)
{
template = new ContentTemplate(templateId);
}
else
{
template = new RuntimeTemplate(templateId, context.GameEngine.Value);
}
CreatedTemplates[templateId] = template;
return(template);
}
