Second Life viewer sources 1.13.2.12

1 files changed, 182 insertions, 0 deletions

diff --git a/linden/indra/llcharacter/lljoint.h b/linden/indra/llcharacter/lljoint.h
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+/** 
+ * @file lljoint.h
+ * @brief Implementation of LLJoint class.
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
+ */
+
+#ifndef LL_LLJOINT_H
+#define LL_LLJOINT_H
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include <string>
+
+#include "linked_lists.h"
+#include "v3math.h"
+#include "v4math.h"
+#include "m4math.h"
+#include "llquaternion.h"
+#include "xform.h"
+#include "lldarray.h"
+
+const S32 LL_CHARACTER_MAX_JOINTS_PER_MESH = 15;
+const U32 LL_CHARACTER_MAX_JOINTS = 32; // must be divisible by 4!
+const U32 LL_HAND_JOINT_NUM = 31;
+const U32 LL_FACE_JOINT_NUM = 30;
+const S32 LL_CHARACTER_MAX_PRIORITY = 7;
+const F32 LL_MAX_PELVIS_OFFSET = 5.f;
+
+//-----------------------------------------------------------------------------
+// class LLJoint
+//-----------------------------------------------------------------------------
+class LLJoint
+{
+public:
+        // priority levels, from highest to lowest
+        enum JointPriority
+        {
+                USE_MOTION_PRIORITY = -1,
+                LOW_PRIORITY = 0,
+                MEDIUM_PRIORITY,
+                HIGH_PRIORITY,
+                HIGHER_PRIORITY,
+                HIGHEST_PRIORITY,
+                ADDITIVE_PRIORITY = LL_CHARACTER_MAX_PRIORITY
+        };
+
+        enum DirtyFlags
+        {
+                MATRIX_DIRTY = 0x1 << 0,
+                ROTATION_DIRTY = 0x1 << 1,
+                POSITION_DIRTY = 0x1 << 2,
+                ALL_DIRTY = 0x7
+        };
+protected:
+        std::string     mName;
+
+        // parent joint
+        LLJoint *mParent;
+
+        // explicit transformation members
+        LLXformMatrix           mXform;
+
+public:
+        U32                             mDirtyFlags;
+        BOOL                    mWorldRotationDirty;
+        BOOL                    mUpdateXform;
+
+        // describes the skin binding pose
+        LLVector3               mSkinOffset;
+
+        S32                             mJointNum;
+
+        LLDynamicArray<LLVector3> mConstraintSilhouette;
+
+        // child joints
+        LLLinkedList<LLJoint> mChildren;
+
+        // debug statics
+        static S32              sNumTouches;
+        static S32              sNumUpdates;
+
+public:
+        LLJoint();
+        LLJoint( const std::string &name, LLJoint *parent=NULL );
+
+        virtual ~LLJoint();
+
+        // set name and parent
+        void setup( const std::string &name, LLJoint *parent=NULL );
+
+        void touch(U32 flags = ALL_DIRTY);
+
+        // get/set name
+        const std::string &getName() { return mName; }
+        void setName( const std::string &name ) { mName = name; }
+
+        // getParent
+        LLJoint *getParent() { return mParent; }
+
+        // getRoot
+        LLJoint *getRoot();
+
+        // search for child joints by name
+        LLJoint *findJoint( const std::string &name );
+
+        // add/remove children
+        void addChild( LLJoint *joint );
+        void removeChild( LLJoint *joint );
+        void removeAllChildren();
+
+        // get/set local position
+        const LLVector3& getPosition();
+        void setPosition( const LLVector3& pos );
+
+        // get/set world position
+        LLVector3 getWorldPosition();
+        LLVector3 getLastWorldPosition();
+        void setWorldPosition( const LLVector3& pos );
+
+        // get/set local rotation
+        const LLQuaternion& getRotation();
+        void setRotation( const LLQuaternion& rot );
+
+        // get/set world rotation
+        LLQuaternion getWorldRotation();
+        LLQuaternion getLastWorldRotation();
+        void setWorldRotation( const LLQuaternion& rot );
+
+        // get/set local scale
+        const LLVector3& getScale();
+        void setScale( const LLVector3& scale );
+
+        // get/set world matrix
+        const LLMatrix4 &getWorldMatrix();
+        void setWorldMatrix( const LLMatrix4& mat );
+
+        void updateWorldMatrixChildren();
+        void updateWorldMatrixParent();
+
+        void updateWorldPRSParent();
+
+        void updateWorldMatrix();
+
+        // get/set skin offset
+        const LLVector3 &getSkinOffset();
+        void setSkinOffset( const LLVector3 &offset);
+
+        LLXformMatrix   *getXform() { return &mXform; }
+
+        void setConstraintSilhouette(LLDynamicArray<LLVector3>& silhouette);
+
+        void clampRotation(LLQuaternion old_rot, LLQuaternion new_rot);
+
+        virtual BOOL isAnimatable() { return TRUE; }
+
+        S32 getJointNum() { return mJointNum; }
+        void setJointNum(S32 joint_num) { mJointNum = joint_num; }
+};
+#endif // LL_LLJOINT_H
+