reorganize files and add btgui

btgui/OpenGLTrueTypeFont/premake4.lua

@@ -0,0 +1,61 @@
+	
+
+		project "OpenGL_TrueTypeFont"
+
+		language "C++"
+				
+		kind "ConsoleApp"
+		targetdir "../../bin"
+
+
+		initOpenGL()
+		initGlew()
+
+		includedirs {
+		"../../src",
+		".."
+		}
+		
+			
+		
+		files {
+			"main.cpp",
+			"../FontFiles/OpenSans.cpp",
+			"../OpenGLWindow/LoadShader.cpp",
+			"../OpenGLWindow/LoadShader.h",
+			"../../src/BulletCommon/btAlignedAllocator.cpp",
+			"../../src/BulletCommon/btQuickprof.cpp",
+			"../../src/BulletCommon/btQuickprof.h" ,
+			"fontstash.cpp",
+      "fontstash.h",
+      "opengl_fontstashcallbacks.cpp",
+      "opengl_fontstashcallbacks.h",
+      "stb_image_write.h",
+      "stb_truetype.h",
+			}
+
+		if os.is("Windows") then
+			files{
+				"../OpenGLWindow/Win32OpenGLWindow.cpp",
+                        	"../OpenGLWindow/Win32OpenGLWindow.h",
+                        	"../OpenGLWindow/Win32Window.cpp",
+                       		"../OpenGLWindow/Win32Window.h",
+			}
+		end
+		if os.is("Linux") then 
+			files{
+				"../OpenGLWindow/X11OpenGLWindow.h",
+				"../OpenGLWindow/X11OpenGLWindow.cpp"
+			}
+			
+			if os.is("MacOSX") then
+				links {"BulletFileLoader"}
+				links { "Cocoa.framework" }
+				files{
+					"../OpenGLWindow/MacOpenGLWindow.h",
+					"../OpenGLWindow/MacOpenGLWindow.mm",
+				}
+		
+			end
+		end
+