add from giga-device, new branch added

StgSharp.Common/Environment/GlobalSetting.cs

@@ -0,0 +1,108 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="GlobalSetting.cs"
+//     Project: World
+//     AuthorGroup: Nitload Space
+//     Copyright (c) Nitload Space. All rights reserved.
+//     
+//     Permission is hereby granted, free of charge, to any person 
+//     obtaining a copy of this software and associated documentation 
+//     files (the “Software”), to deal in the Software without restriction, 
+//     including without limitation the rights to use, copy, modify, merge,
+//     publish, distribute, sublicense, and/or sell copies of the Software, 
+//     and to permit persons to whom the Software is furnished to do so, 
+//     subject to the following conditions:
+//     
+//     The above copyright notice and 
+//     this permission notice shall be included in all copies 
+//     or substantial portions of the Software.
+//     
+//     THE SOFTWARE IS PROVIDED “AS IS”, 
+//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
+//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp
+{
+    public static unsafe partial class World
+    {
+
+        internal const int ssdSegmentLength = 16;
+
+        private static byte[] _currentHash;
+
+        private static bool _inited;
+        private static int _mainThreadID = -1;
+
+        public static byte[] CurrentAssemblyHash
+        {
+            get
+            {
+                if( _currentHash == null ) {
+                    string route = Assembly.GetExecutingAssembly().Location;
+                    string time = DateTime.UtcNow.ToString();
+                    using( SHA256 sh = SHA256.Create() ) {
+                        byte[] bytes = Encoding.UTF8.GetBytes( route );
+                        _currentHash = sh.ComputeHash( bytes );
+                    }
+                }
+                return _currentHash;
+            }
+        }
+
+        public static int MainThreadID
+        {
+            get => ( _mainThreadID == -1 ) ?
+            throw new InvalidOperationException(
+                "StgSharp environment is not inited. " + "Main thread id is not available" ) : _mainThreadID;
+        }
+
+        /// <summary>
+        /// CustomizeInit an instance of OpenGL program, This method should be called before any
+        /// other World api.
+        /// </summary>
+        public static void InitGL( int majorVersion, int minorVersion )
+        {
+            if( API == default ) {
+                API = GraphicAPI.GL;
+            }
+            if( API != GraphicAPI.GL ) {
+                return;
+            }
+            InternalIO.InternalInitGL( majorVersion, minorVersion );
+        }
+
+        public static class GlobalSetting
+        {
+
+            private static bool vSyncActivated;
+
+            public static bool VSyncActivated
+            {
+                get => vsyncActivated;
+                set
+                {
+                    InternalIO.glfwSwapInterval( value ? 1 : 0 );
+                    vsyncActivated = value;
+                }
+            }
+
+        }
+
+    }//-------------------------------------- End of Class ---------------------------------------//
+}