1 files changed, 280 insertions, 0 deletions
diff --git a/src/engine/external/glfw/lib/input.c b/src/engine/external/glfw/lib/input.c
new file mode 100644
index 00000000..e944706b
--- /dev/null
+++ b/src/engine/external/glfw/lib/input.c
@@ -0,0 +1,280 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        input.c
+// Platform:    Any
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would
+//    be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+//    be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+//    distribution.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+//========================================================================
+// glfwGetKey()
+//========================================================================
+
+GLFWAPI int GLFWAPIENTRY glfwGetKey( int key )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return GLFW_RELEASE;
+    }
+
+    // Is it a valid key?
+    if( key < 0 || key > GLFW_KEY_LAST )
+    {
+        return GLFW_RELEASE;
+    }
+
+    if( _glfwInput.Key[ key ] == GLFW_STICK )
+    {
+        // Sticky mode: release key now
+        _glfwInput.Key[ key ] = GLFW_RELEASE;
+        return GLFW_PRESS;
+    }
+
+    return (int) _glfwInput.Key[ key ];
+}
+
+
+//========================================================================
+// glfwGetMouseButton()
+//========================================================================
+
+GLFWAPI int GLFWAPIENTRY glfwGetMouseButton( int button )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return GLFW_RELEASE;
+    }
+
+    // Is it a valid mouse button?
+    if( button < 0 || button > GLFW_MOUSE_BUTTON_LAST )
+    {
+        return GLFW_RELEASE;
+    }
+
+    if( _glfwInput.MouseButton[ button ] == GLFW_STICK )
+    {
+        // Sticky mode: release mouse button now
+        _glfwInput.MouseButton[ button ] = GLFW_RELEASE;
+        return GLFW_PRESS;
+    }
+
+    return (int) _glfwInput.MouseButton[ button ];
+}
+
+
+//========================================================================
+// glfwGetMousePos()
+//========================================================================
+
+GLFWAPI void GLFWAPIENTRY glfwGetMousePos( int *xpos, int *ypos )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return;
+    }
+
+    // Return mouse position
+    if( xpos != NULL )
+    {
+        *xpos = _glfwInput.MousePosX;
+    }
+    if( ypos != NULL )
+    {
+        *ypos = _glfwInput.MousePosY;
+    }
+}
+
+
+//========================================================================
+// glfwSetMousePos()
+//========================================================================
+
+GLFWAPI void GLFWAPIENTRY glfwSetMousePos( int xpos, int ypos )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return;
+    }
+
+    // Don't do anything if the mouse position did not change
+    if( xpos == _glfwInput.MousePosX && ypos == _glfwInput.MousePosY )
+    {
+        return;
+    }
+
+    // Set GLFW mouse position
+    _glfwInput.MousePosX = xpos;
+    _glfwInput.MousePosY = ypos;
+
+    // If we have a locked mouse, do not change cursor position
+    if( _glfwWin.MouseLock )
+    {
+        return;
+    }
+
+    // Update physical cursor position
+    _glfwPlatformSetMouseCursorPos( xpos, ypos );
+}
+
+
+//========================================================================
+// glfwGetMouseWheel()
+//========================================================================
+
+GLFWAPI int GLFWAPIENTRY glfwGetMouseWheel( void )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return 0;
+    }
+
+    // Return mouse wheel position
+    return _glfwInput.WheelPos;
+}
+
+
+//========================================================================
+// glfwSetMouseWheel()
+//========================================================================
+
+GLFWAPI void GLFWAPIENTRY glfwSetMouseWheel( int pos )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return;
+    }
+
+    // Set mouse wheel position
+    _glfwInput.WheelPos = pos;
+}
+
+
+//========================================================================
+// glfwSetKeyCallback() - Set callback function for keyboard input
+//========================================================================
+
+GLFWAPI void GLFWAPIENTRY glfwSetKeyCallback( GLFWkeyfun cbfun )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return;
+    }
+
+    // Set callback function
+    _glfwWin.KeyCallback = cbfun;
+}
+
+
+//========================================================================
+// glfwSetCharCallback() - Set callback function for character input
+//========================================================================
+
+GLFWAPI void GLFWAPIENTRY glfwSetCharCallback( GLFWcharfun cbfun )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return;
+    }
+
+    // Set callback function
+    _glfwWin.CharCallback = cbfun;
+}
+
+
+//========================================================================
+// glfwSetMouseButtonCallback() - Set callback function for mouse clicks
+//========================================================================
+
+GLFWAPI void GLFWAPIENTRY glfwSetMouseButtonCallback( GLFWmousebuttonfun cbfun )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return;
+    }
+
+    // Set callback function
+    _glfwWin.MouseButtonCallback = cbfun;
+}
+
+
+//========================================================================
+// glfwSetMousePosCallback() - Set callback function for mouse moves
+//========================================================================
+
+GLFWAPI void GLFWAPIENTRY glfwSetMousePosCallback( GLFWmouseposfun cbfun )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return;
+    }
+
+    // Set callback function
+    _glfwWin.MousePosCallback = cbfun;
+
+    // Call the callback function to let the application know the current
+    // mouse position
+    if( cbfun )
+    {
+        cbfun( _glfwInput.MousePosX, _glfwInput.MousePosY );
+    }
+}
+
+
+//========================================================================
+// glfwSetMouseWheelCallback() - Set callback function for mouse wheel
+//========================================================================
+
+GLFWAPI void GLFWAPIENTRY glfwSetMouseWheelCallback( GLFWmousewheelfun cbfun )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized || !_glfwWin.Opened )
+    {
+        return;
+    }
+
+    // Set callback function
+    _glfwWin.MouseWheelCallback = cbfun;
+
+    // Call the callback function to let the application know the current
+    // mouse wheel position
+    if( cbfun )
+    {
+        cbfun( _glfwInput.WheelPos );
+    }
+}
+