Initial commit

Torque/SDK/lib/maxsdk40/nodeDisp.h

@@ -0,0 +1,68 @@
+/*********************************************************************
+ *<
+	FILE: nodeDisp.h
+
+	DESCRIPTION: Interface for node display callbacks
+
+	CREATED BY:	Cleve Ard
+
+	HISTORY: Created April 3, 2000
+
+ *>	Copyright (c) 2000, All Rights Reserved.
+ **********************************************************************/
+
+#ifndef __NODEDISP__
+#define __NODEDISP__
+
+// A callback to allow plug-ins that aren't actually objects (such as utilities)
+// to control a Node's display
+class NodeDisplayCallback : public InterfaceServer {
+	public:
+
+		// StartDisplay is called right before the tree of nodes is drawn
+      virtual void StartDisplay(TimeValue t, ViewExp *vpt, int flags)=0;
+		// EndDisplay is called right after the tree of nodes is drawn
+       virtual void EndDisplay(TimeValue t, ViewExp *vpt, int flags)=0;
+		// Display: Called for every node
+		virtual bool Display(TimeValue t, ViewExp *vpt, int flags, INode *node,Object *pObj)=0;		
+		// HideObject: Queries if the normal node mesh should be displayed
+		virtual bool SuspendObjectDisplay(TimeValue t,INode *node)=0;
+		// AddNodeCallbackBox: Asks the callback to participate in the bounding box calculation
+		virtual void AddNodeCallbackBox(TimeValue t, INode *node, ViewExp *vpt, Box3& box,Object *pObj)=0;
+		// HitTest: Hit testing on the callback's mesh
+		virtual bool HitTest(TimeValue t, INode *node, int type, int crossing, int flags, IPoint2 *p, ViewExp* vpt,Object *pObj)=0;
+		// Activate: Called when the callback gets activated, it's up to the callback to invalidate the screen
+		virtual void Activate()=0;
+		// Deactivate: Called when the callback is deactivated
+		virtual void Deactivate()=0;
+		// GetName: Queries the name of the callback. (Used for display in the menu)
+		virtual TSTR GetName() const = 0;// user must delete the string
+
+	};
+
+#define I_NODEDISPLAYCONTROL  0x00001000	
+
+// Gets a pointer to the INodeDisplayControl interface, the caller should pass a pointer to "Interface"
+#define GetNodeDisplayControl(i)  ((INodeDisplayControl*)i->GetInterface(I_NODEDISPLAYCONTROL))
+
+// An interface that is used to register the node display callback.
+class INodeDisplayControl : public InterfaceServer
+{
+	public:
+
+		// Register a NodeDisplayCallback
+		virtual void RegisterNodeDisplayCallback(NodeDisplayCallback *cb)=0;
+		virtual void UnRegisterNodeDisplayCallback(NodeDisplayCallback *cb)=0;
+
+		//Set and get the current current callback, the callback must be registered
+		virtual bool SetNodeCallback(NodeDisplayCallback* hook)=0;
+		virtual NodeDisplayCallback* GetNodeCallback()=0;
+
+
+		// Viewport refresh routine
+		// this function only invalidates the display, it's up to the callback to select the correct redraw technique.
+		virtual void InvalidateNodeDisplay()=0;
+
+};
+
+#endif