From 243a1d6598e69b50a59bdc5f2e571d6a1f498f7a Mon Sep 17 00:00:00 2001
From: sabrina-shanman <sabrina@highfidelity.io>
Date: Fri, 30 Nov 2018 14:34:44 -0800
Subject: [PATCH] Add ModelFormatRegistry for handling model loading on the
 application side

---
 interface/src/Application.cpp                 |  3 ++
 .../model-networking/ModelFormatRegistry.cpp  | 40 +++++++++++++++++++
 .../model-networking/ModelFormatRegistry.h    | 29 ++++++++++++++
 3 files changed, 72 insertions(+)
 create mode 100644 libraries/model-networking/src/model-networking/ModelFormatRegistry.cpp
 create mode 100644 libraries/model-networking/src/model-networking/ModelFormatRegistry.h

diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 21af28ffcb..6ff8618918 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -101,6 +101,7 @@
 #include <MainWindow.h>
 #include <MappingRequest.h>
 #include <MessagesClient.h>
+#include <model-networking/ModelFormatRegistry.h>
 #include <model-networking/ModelCacheScriptingInterface.h>
 #include <model-networking/TextureCacheScriptingInterface.h>
 #include <ModelEntityItem.h>
@@ -883,6 +884,7 @@ bool setupEssentials(int& argc, char** argv, bool runningMarkerExisted) {
     DependencyManager::set<NodeList>(NodeType::Agent, listenPort);
     DependencyManager::set<recording::ClipCache>();
     DependencyManager::set<GeometryCache>();
+    DependencyManager::set<ModelFormatRegistry>();
     DependencyManager::set<ModelCache>();
     DependencyManager::set<ModelCacheScriptingInterface>();
     DependencyManager::set<ScriptCache>();
@@ -2745,6 +2747,7 @@ Application::~Application() {
     DependencyManager::destroy<FramebufferCache>();
     DependencyManager::destroy<TextureCacheScriptingInterface>();
     DependencyManager::destroy<TextureCache>();
+    DependencyManager::destroy<ModelFormatRegistry>();
     DependencyManager::destroy<ModelCacheScriptingInterface>();
     DependencyManager::destroy<ModelCache>();
     DependencyManager::destroy<ScriptCache>();
diff --git a/libraries/model-networking/src/model-networking/ModelFormatRegistry.cpp b/libraries/model-networking/src/model-networking/ModelFormatRegistry.cpp
new file mode 100644
index 0000000000..26f5b66b48
--- /dev/null
+++ b/libraries/model-networking/src/model-networking/ModelFormatRegistry.cpp
@@ -0,0 +1,40 @@
+//
+//  ModelFormatRegistry.cpp
+//  libraries/model-networking/src/model-networking
+//
+//  Created by Sabrina Shanman on 2018/11/30.
+//  Copyright 2018 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "ModelFormatRegistry.h"
+
+#include "FBXSerializer.h"
+#include "OBJSerializer.h"
+#include "GLTFSerializer.h"
+
+ModelFormatRegistry::ModelFormatRegistry() : hfm::FormatRegistry() {
+    addDefaultFormats();
+}
+
+void ModelFormatRegistry::addDefaultFormats() {
+    addFormat(std::make_shared<FBXFormat>());
+    addFormat(std::make_shared<OBJFormat>());
+    addFormat(std::make_shared<GLTFFormat>());
+}
+
+void ModelFormatRegistry::addFormat(const std::shared_ptr<hfm::Format>& format) {
+    format->registerFormat(*this);
+    withWriteLock([&](){
+        formats.push_back(format);
+    });
+}
+
+ModelFormatRegistry::~ModelFormatRegistry() {
+    for (auto& format : formats) {
+        format->unregisterFormat(*this);
+    }
+    formats.clear();
+}
diff --git a/libraries/model-networking/src/model-networking/ModelFormatRegistry.h b/libraries/model-networking/src/model-networking/ModelFormatRegistry.h
new file mode 100644
index 0000000000..becc53fc1b
--- /dev/null
+++ b/libraries/model-networking/src/model-networking/ModelFormatRegistry.h
@@ -0,0 +1,29 @@
+//
+//  ModelFormatRegistry.h
+//  libraries/model-networking/src/model-networking
+//
+//  Created by Sabrina Shanman on 2018/11/30.
+//  Copyright 2018 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_ModelFormatRegistry_h
+#define hifi_ModelFormatRegistry_h
+
+#include <hfm/HFMFormat.h>
+#include <hfm/HFMFormatRegistry.h>
+
+class ModelFormatRegistry : public hfm::FormatRegistry {
+public:
+    ModelFormatRegistry();
+    ~ModelFormatRegistry();
+    void addFormat(const std::shared_ptr<hfm::Format>& format);
+
+protected:
+    void addDefaultFormats();
+    std::vector<std::shared_ptr<hfm::Format>> formats;
+};
+
+#endif // hifi_ModelFormatRegistry_h