Fixed visual bugs, added stud snapping

Hope I've done this properly. Stud snapping is primitive and needs work done.

src/source/DataModel/BaseButtonInstance.cpp

@@ -0,0 +1,62 @@
+#include "DataModel/BaseButtonInstance.h"
+#include "Globals.h"
+#include "Application.h"
+
+
+ButtonListener* listener = NULL;
+
+BaseButtonInstance::BaseButtonInstance(void)
+{
+	Instance::Instance();
+	listener = NULL;
+}
+
+void BaseButtonInstance::render(RenderDevice* rd)
+{
+	DataModelInstance* dataModel = g_dataModel;
+	Vector2 pos = Vector2(g_usableApp->mouse.x,g_usableApp->mouse.y);
+	drawObj(rd, pos, g_usableApp->mouse.isMouseDown());
+	Instance::render(rd);
+}
+
+BaseButtonInstance::~BaseButtonInstance(void)
+{
+	if(listener != NULL && listener->doDelete)
+	{
+		delete listener;
+		listener = NULL;
+	}
+}
+
+void BaseButtonInstance::setButtonListener(ButtonListener& buttonListener)
+{
+	listener = buttonListener;
+}
+
+void BaseButtonInstance::drawObj(RenderDevice* rd, Vector2 mousePos, bool mouseDown){}
+
+bool BaseButtonInstance::mouseInButton(float mousex, float mousey, RenderDevice* rd){return false;}
+
+void BaseButtonInstance::onMouseClick()
+{
+	if(listener != NULL)
+	{
+		listener->onButton1MouseClick(this);
+		
+	}
+}
+
+
+bool BaseButtonInstance::mouseInArea(float point1x, float point1y, float point2x, float point2y, float mousex, float mousey)
+{
+	
+
+	if(mousex >= point1x && mousey >= point1y)
+	{
+		if(mousex < point2x && mousey < point2y)
+		{
+			return true;
+		}
+	}
+	return false;
+}