demos: Add Game class file for smoke

Change-Id: I385f8fd0676f665b1d774f38767b5691ddae6f7a

diff --git a/demos/smoke/Game.cpp b/demos/smoke/Game.cpp
new file mode 100644 (file)
index 0000000..186b395
--- /dev/null
+++ b/demos/smoke/Game.cpp
@@ -0,0 +1,40 @@
+/*
+* Copyright (C) 2016 Google, Inc.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+#include "Game.h"
+#include "Shell.h"
+
+#if (defined(_MSC_VER) && _MSC_VER < 1900 /*vs2015*/) ||                       \
+    defined MINGW_HAS_SECURE_API
+#include <basetsd.h>
+#define snprintf sprintf_s
+#endif
+
+void Game::print_stats() {
+    // Output frame count and measured elapsed time
+    auto now = std::chrono::system_clock::now();
+    auto elapsed = now - start_time;
+    long elapsed_millis =
+        std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count();
+    char msg[256];
+    snprintf(msg, 255, "frames:%d, elapsedms:%d", frame_count, elapsed_millis);
+    shell_->log(Shell::LogPriority::LOG_INFO, msg);
+}
+
+void Game::quit() {
+    print_stats();
+    shell_->quit();
+}
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