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/**
* @file llcape.h
* @brief LLVOCloth class definition
*
* Copyright (c) 2005-2007, 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 LLCAPE_H
#define LLCAPE_H
#include "llviewerobject.h"
class LLVolumeImplFlexible;
//-----------------------------------------------------------------------------------
// Default setting for the attributes of a cloth object...
//-----------------------------------------------------------------------------------
const F32 CLOTH_MIN_LENGTH = 0.2f;
const F32 CLOTH_DEFAULT_LENGTH = 1.5f;
const F32 CLOTH_MAX_LENGTH = 2.0f;
const F32 CLOTH_MIN_TENSION = 0.0f;
const F32 CLOTH_DEFAULT_TENSION = 1.0f;
const F32 CLOTH_MAX_TENSION = 10.0f;
const F32 CLOTH_MIN_GRAVITY = FLEXIBLE_OBJECT_MIN_GRAVITY;
const F32 CLOTH_DEFAULT_GRAVITY = 0.3f;
const F32 CLOTH_MAX_GRAVITY = FLEXIBLE_OBJECT_MAX_GRAVITY;
const F32 CLOTH_MIN_PITCH = -1.0f;
const F32 CLOTH_DEFAULT_PITCH = 0.1f;
const F32 CLOTH_MAX_PITCH = 1.0f;
const F32 CLOTH_MIN_AIR_FRICTION = FLEXIBLE_OBJECT_MIN_AIR_FRICTION;
const F32 CLOTH_DEFAULT_AIR_FRICTION = 6.0f;
const F32 CLOTH_MAX_AIR_FRICTION = FLEXIBLE_OBJECT_MAX_AIR_FRICTION;
const F32 CLOTH_MIN_WIND_SENSITIVITY = FLEXIBLE_OBJECT_MIN_WIND_SENSITIVITY;
const F32 CLOTH_DEFAULT_WIND_SENSITIVITY = 0.0f;
const F32 CLOTH_MAX_WIND_SENSITIVITY = FLEXIBLE_OBJECT_MAX_WIND_SENSITIVITY;
const F32 CLOTH_MIN_CIRCLE_WRAP_AMOUNT = 0.0f;
const F32 CLOTH_DEFAULT_CIRCLE_WRAP_AMOUNT= 0.5f;
const F32 CLOTH_MAX_CIRCLE_WRAP_AMOUNT = 1.0f;
const F32 CLOTH_MIN_WIDTH = 0.01f;
const F32 CLOTH_DEFAULT_WIDTH = 0.4f;
const F32 CLOTH_MAX_WIDTH = 1.0f;
const int CLOTH_MIN_STRANDS = 2;
const int CLOTH_DEFAULT_NUM_STRANDS = 4;
const int CLOTH_MAX_STRANDS = 8;
const int CLOTH_MIN_SEGMENTS = 1;
const int CLOTH_DEFAULT_NUM_SEGMENTS = 4;
const int CLOTH_MAX_SEGMENTS = 8;
const int CLOTH_MIN_TEXTURE_INDEX = 1;
const int CLOTH_DEFAULT_TEXTURE_INDEX = 1;
const int CLOTH_MAX_TEXTURE_INDEX = 7;
const F32 CLOTH_MIN_AVATAR_COLLISION_SPHERE_RADIUS = 0.0f;
const F32 CLOTH_DEFAULT_AVATAR_COLLISION_SPHERE_RADIUS= 0.1f;
const F32 CLOTH_MAX_AVATAR_COLLISION_SPHERE_RADIUS = 3.0f;
const F32 CLOTH_MIN_AVATAR_COLLISION_SPHERE_RIGHT_OFFSET = -2.0f;
const F32 CLOTH_DEFAULT_AVATAR_COLLISION_SPHERE_RIGHT_OFFSET = 0.0f;
const F32 CLOTH_MAX_AVATAR_COLLISION_SPHERE_RIGHT_OFFSET = 2.0f;
const F32 CLOTH_MIN_AVATAR_COLLISION_SPHERE_UP_OFFSET = -2.0f;
const F32 CLOTH_DEFAULT_AVATAR_COLLISION_SPHERE_UP_OFFSET = 0.0f;
const F32 CLOTH_MAX_AVATAR_COLLISION_SPHERE_UP_OFFSET = 2.0f;
const F32 CLOTH_MIN_AVATAR_COLLISION_SPHERE_FORWARD_OFFSET = -2.0f;
const F32 CLOTH_DEFAULT_AVATAR_COLLISION_SPHERE_FORWARD_OFFSET = 0.0f;
const F32 CLOTH_MAX_AVATAR_COLLISION_SPHERE_FORWARD_OFFSET = 2.0f;
const LLString CLOTH_DEFAULT_TEXTURE_FILENAME = "not_specified";
const bool CLOTH_DEFAULT_VISUALIZE_STRANDS = false;
const bool CLOTH_DEFAULT_VISUALIZE_COLLISION_SPHERE = false;
const bool CLOTH_DEFAULT_USING_AVATAR_COLLISION_SPHERE = false;
const LLVector3 CLOTH_DEFAULT_AVATAR_COLLISION_SPHERE_POSITION_OFFSET = LLVector3::zero;
//-------------------------------------------------
// This structure is also used in the part of the
// code that creates new cloth objects.
//-------------------------------------------------
struct LLClothAttributes
{
int mTextureIndex;
LLString mTextureFileName;
bool mVisualizeStrands;
bool mVisualizeAvCollisionSphere;
int mNumStrands;
int mNumSegments;
F32 mWidth;
F32 mPitch;
F32 mLength;
F32 mTension;
F32 mGravity;
F32 mAirFriction;
F32 mWindSensitivity;
F32 mCircleWrapAmount;
bool mUsingAvatarCollisionSphere;
F32 mAvatarCollisionSphereRightOffset;
F32 mAvatarCollisionSphereUpOffset;
F32 mAvatarCollisionSphereForwardOffset;
F32 mAvatarCollisionSphereRadius;
//------ the constructor for the structure ------------
LLClothAttributes()
{
mTextureFileName = CLOTH_DEFAULT_TEXTURE_FILENAME;
mVisualizeStrands = CLOTH_DEFAULT_VISUALIZE_STRANDS;
mNumStrands = CLOTH_DEFAULT_NUM_STRANDS;
mNumSegments = CLOTH_DEFAULT_NUM_SEGMENTS;
mWidth = CLOTH_DEFAULT_WIDTH;
mLength = CLOTH_DEFAULT_LENGTH;
mPitch = CLOTH_DEFAULT_PITCH;
mTension = CLOTH_DEFAULT_TENSION;
mGravity = CLOTH_DEFAULT_GRAVITY;
mAirFriction = CLOTH_DEFAULT_AIR_FRICTION;
mWindSensitivity = CLOTH_DEFAULT_WIND_SENSITIVITY;
mCircleWrapAmount = CLOTH_DEFAULT_CIRCLE_WRAP_AMOUNT;
mTextureIndex = CLOTH_DEFAULT_TEXTURE_INDEX;
}
};// end of attributes structure
//---------------------------------------------------------
// The LLVOCloth class
//---------------------------------------------------------
class LLVOCloth : public LLViewerObject
{
public:
LLVOCloth(const LLUUID &id, const LLPCode type, LLViewerRegion *regionp);
void update();
void render();
void markAsDead();
//----------------------------------------------
// set stuff
//----------------------------------------------
void setAttributes( LLClothAttributes );
void setNumStrands( int num );
void setNumSegments( int num );
void setLength( F32 length );
void setTension( F32 t );
void setGravity( F32 g );
void setCircleWrapAmount( F32 n );
void setAirFriction( F32 a );
void setWindSensitivity( F32 w );
void setPitch( F32 p );
void setWidth( F32 n );
void setVisualizingStrands( bool v );
void setVisualizingAvCollisionSphere( bool v );
void setAvatarCollisionSphereRadius( F32 r );
void setAvatarCollisionSphereRight( F32 r );
void setAvatarCollisionSphereUp( F32 u );
void setAvatarCollisionSphereForward( F32 f);
//----------------------------------------------
// get stuff
//----------------------------------------------
bool getVisualizingStrands() const;
bool getVisualizingAvCollisionSphere() const;
int getNumStrands();
int getNumSegments();
F32 getLength();
F32 getWidth();
F32 getCircleWrapAmount();
F32 getPitch();
F32 getTension();
F32 getGravity();
F32 getAirFriction();
F32 getWindSensitivity();
F32 getAvatarCollisionSphereRadius();
F32 getAvatarCollisionSphereRight();
F32 getAvatarCollisionSphereUp();
F32 getAvatarCollisionSphereForward();
private:
//--------------------------------------
// private members
//--------------------------------------
LLClothAttributes mAttributes; // these determine the characteristics of the cloth
LLVector3 mAvatarCollisionSpherePosition; // derived from the avatar
LLViewerObject* mDummyVO [ CLOTH_MAX_STRANDS ];
LLVolumeImplFlexible* mStrand [ CLOTH_MAX_STRANDS ]; // the array of strands that make up the cloth
//--------------------------------------
// private methods
//--------------------------------------
void updateVirtualServer();
void generateStrands();
};// end of class definition
#endif // LL_CLOTH_H
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