Imported existing code

indra/newview/llviewerjointattachment.h

@@ -0,0 +1,112 @@
+/** 
+ * @file llviewerjointattachment.h
+ * @brief Implementation of LLViewerJointAttachment class
+ *
+ * $LicenseInfo:firstyear=2002&license=viewergpl$
+ * 
+ * Copyright (c) 2002-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLVIEWERJOINTATTACHMENT_H
+#define LL_LLVIEWERJOINTATTACHMENT_H
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include "llviewerjoint.h"
+#include "llstring.h"
+#include "lluuid.h"
+
+class LLDrawable;
+class LLViewerObject;
+
+//-----------------------------------------------------------------------------
+// class LLViewerJointAttachment
+//-----------------------------------------------------------------------------
+class LLViewerJointAttachment :
+	public LLViewerJoint
+{
+public:
+	LLViewerJointAttachment();
+	virtual ~LLViewerJointAttachment();
+
+	//virtual U32 render( F32 pixelArea );	// Returns triangle count
+
+	// Returns true if this object is transparent.
+	// This is used to determine in which order to draw objects.
+	/*virtual*/ BOOL isTransparent();
+
+	// Draws the shape attached to a joint.
+	// Called by render().
+	/*virtual*/ U32 drawShape( F32 pixelArea, BOOL first_pass, BOOL is_dummy );
+	
+	/*virtual*/ BOOL updateLOD(F32 pixel_area, BOOL activate);
+
+	//
+	// accessors
+	//
+
+	void setPieSlice(S32 pie_slice) { mPieSlice = pie_slice; }	
+	void setVisibleInFirstPerson(BOOL visibility) { mVisibleInFirst = visibility; }
+	BOOL getVisibleInFirstPerson() { return mVisibleInFirst; }
+	void setGroup(S32 group) { mGroup = group; }
+	void setOriginalPosition(LLVector3 &position);
+	void setAttachmentVisibility(BOOL visible);
+	void setIsHUDAttachment(BOOL is_hud) { mIsHUDAttachment = is_hud; }
+	BOOL getIsHUDAttachment() { return mIsHUDAttachment; }
+
+	BOOL isAnimatable() { return FALSE; }
+
+	S32 getGroup() { return mGroup; }
+	S32 getPieSlice() { return mPieSlice; }
+	LLViewerObject *getObject() { return mAttachedObject; }
+	S32	getNumObjects() { return (mAttachedObject ? 1 : 0); }
+	const LLUUID& getItemID() { return mItemID; }
+
+	//
+	// unique methods
+	//
+	BOOL addObject(LLViewerObject* object);
+	void removeObject(LLViewerObject *object);
+
+	void setupDrawable(LLDrawable* drawable);
+	void clampObjectPosition();
+
+protected:
+	void calcLOD();
+	
+protected:
+	// Backlink only; don't make this an LLPointer.
+	LLViewerObject*	mAttachedObject;
+	BOOL			mVisibleInFirst;
+	LLVector3		mOriginalPos;
+	S32				mGroup;
+	BOOL			mIsHUDAttachment;
+	S32				mPieSlice;
+	LLUUID			mItemID;			// Inventory item id of the attached item (null if not in inventory)
+};
+
+#endif // LL_LLVIEWERJOINTATTACHMENT_H