| 1 | // | 
| 2 | // Redistribution and use in source and binary forms, with or without | 
| 3 | // modification, are permitted provided that the following conditions | 
| 4 | // are met: | 
| 5 | //  * Redistributions of source code must retain the above copyright | 
| 6 | //    notice, this list of conditions and the following disclaimer. | 
| 7 | //  * Redistributions in binary form must reproduce the above copyright | 
| 8 | //    notice, this list of conditions and the following disclaimer in the | 
| 9 | //    documentation and/or other materials provided with the distribution. | 
| 10 | //  * Neither the name of NVIDIA CORPORATION nor the names of its | 
| 11 | //    contributors may be used to endorse or promote products derived | 
| 12 | //    from this software without specific prior written permission. | 
| 13 | // | 
| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY | 
| 15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
| 16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 
| 17 | // PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR | 
| 18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 
| 19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 
| 20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 
| 21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 
| 22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
| 23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
| 24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
| 25 | // | 
| 26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. | 
| 27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. | 
| 28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.   | 
| 29 |  | 
| 30 | #ifndef PX_VEHICLE_NO_DRIVE_H | 
| 31 | #define PX_VEHICLE_NO_DRIVE_H | 
| 32 | /** \addtogroup vehicle | 
| 33 |   @{ | 
| 34 | */ | 
| 35 |  | 
| 36 | #include "vehicle/PxVehicleWheels.h" | 
| 37 | #include "vehicle/PxVehicleComponents.h" | 
| 38 |  | 
| 39 |  | 
| 40 | #if !PX_DOXYGEN | 
| 41 | namespace physx | 
| 42 | { | 
| 43 | #endif | 
| 44 |  | 
| 45 | struct PxFilterData; | 
| 46 | class PxGeometry; | 
| 47 | class PxPhysics; | 
| 48 | class PxVehicleDrivableSurfaceToTireFrictionPairs; | 
| 49 | class PxShape; | 
| 50 | class PxMaterial; | 
| 51 | class PxRigidDynamic; | 
| 52 |  | 
| 53 | /** | 
| 54 | \brief Data structure with instanced dynamics data and configuration data of a vehicle with no drive model. | 
| 55 | */ | 
| 56 | class PxVehicleNoDrive : public PxVehicleWheels | 
| 57 | { | 
| 58 | //= ATTENTION! ===================================================================================== | 
| 59 | // Changing the data layout of this class breaks the binary serialization format.  See comments for  | 
| 60 | // PX_BINARY_SERIAL_VERSION.  If a modification is required, please adjust the getBinaryMetaData  | 
| 61 | // function.  If the modification is made on a custom branch, please change PX_BINARY_SERIAL_VERSION | 
| 62 | // accordingly. | 
| 63 | //================================================================================================== | 
| 64 | public: | 
| 65 |  | 
| 66 | 	friend class PxVehicleUpdate; | 
| 67 |  | 
| 68 | 	/** | 
| 69 | 	\brief Allocate a PxVehicleNoDrive instance for a vehicle without drive model and with nbWheels | 
| 70 |  | 
| 71 | 	\param[in] nbWheels is the number of wheels on the vehicle. | 
| 72 |  | 
| 73 | 	\return The instantiated vehicle. | 
| 74 |  | 
| 75 | 	@see free, setup | 
| 76 | 	*/ | 
| 77 | 	static PxVehicleNoDrive* allocate(const PxU32 nbWheels); | 
| 78 |  | 
| 79 | 	/** | 
| 80 | 	\brief Deallocate a PxVehicleNoDrive instance. | 
| 81 | 	@see allocate | 
| 82 | 	*/ | 
| 83 | 	void free(); | 
| 84 |  | 
| 85 | 	/** | 
| 86 | 	\brief Set up a vehicle using simulation data for the wheels. | 
| 87 | 	\param[in] physics is a PxPhysics instance that is needed to create special vehicle constraints that are maintained by the vehicle. | 
| 88 | 	\param[in] vehActor is a PxRigidDynamic instance that is used to represent the vehicle in the PhysX SDK. | 
| 89 | 	\param[in] wheelsData describes the configuration of all suspension/tires/wheels of the vehicle. The vehicle instance takes a copy of this data. | 
| 90 | 	\note It is assumed that the first shapes of the actor are the wheel shapes, followed by the chassis shapes.  To break this assumption use PxVehicleWheels::setWheelShapeMapping. | 
| 91 | 	@see allocate, free, setToRestState, PxVehicleWheels::setWheelShapeMapping | 
| 92 | 	*/ | 
| 93 | 	void setup | 
| 94 | 		(PxPhysics* physics, PxRigidDynamic* vehActor, const PxVehicleWheelsSimData& wheelsData); | 
| 95 |  | 
| 96 | 	/** | 
| 97 | 	\brief Allocate and set up a vehicle using simulation data for the wheels. | 
| 98 | 	\param[in] physics is a PxPhysics instance that is needed to create special vehicle constraints that are maintained by the vehicle. | 
| 99 | 	\param[in] vehActor is a PxRigidDynamic instance that is used to represent the vehicle in the PhysX SDK. | 
| 100 | 	\param[in] wheelsData describes the configuration of all suspension/tires/wheels of the vehicle. The vehicle instance takes a copy of this data. | 
| 101 | 	\note It is assumed that the first shapes of the actor are the wheel shapes, followed by the chassis shapes.  To break this assumption use PxVehicleWheels::setWheelShapeMapping. | 
| 102 | 	\return The instantiated vehicle. | 
| 103 | 	@see allocate, free, setToRestState, PxVehicleWheels::setWheelShapeMapping | 
| 104 | 	*/ | 
| 105 | 	static PxVehicleNoDrive* create | 
| 106 | 		(PxPhysics* physics, PxRigidDynamic* vehActor, const PxVehicleWheelsSimData& wheelsData); | 
| 107 |  | 
| 108 | 	/** | 
| 109 | 	\brief Set a vehicle to its rest state.  Aside from the rigid body transform, this will set the vehicle and rigid body  | 
| 110 | 	to the state they were in immediately after setup or create. | 
| 111 | 	\note Calling setToRestState invalidates the cached raycast hit planes under each wheel meaning that suspension line | 
| 112 | 	raycasts need to be performed at least once with PxVehicleSuspensionRaycasts before calling PxVehicleUpdates.  | 
| 113 | 	@see setup, create, PxVehicleSuspensionRaycasts, PxVehicleUpdates | 
| 114 | 	*/ | 
| 115 | 	void setToRestState(); | 
| 116 |  | 
| 117 | 	/** | 
| 118 | 	\brief Set the brake torque to be applied to a specific wheel | 
| 119 | 	 | 
| 120 | 	\note The applied brakeTorque persists until the next call to setBrakeTorque | 
| 121 | 	 | 
| 122 | 	\note The brake torque is specified in Newton metres. | 
| 123 |  | 
| 124 | 	\param[in] id is the wheel being given the brake torque | 
| 125 | 	\param[in] brakeTorque is the value of the brake torque | 
| 126 | 	*/ | 
| 127 | 	void setBrakeTorque(const PxU32 id, const PxReal brakeTorque); | 
| 128 |  | 
| 129 | 	/** | 
| 130 | 	\brief Set the drive torque to be applied to a specific wheel | 
| 131 |  | 
| 132 | 	\note The applied driveTorque persists until the next call to setDriveTorque | 
| 133 |  | 
| 134 | 	\note The brake torque is specified in Newton metres. | 
| 135 |  | 
| 136 | 	\param[in] id is the wheel being given the brake torque | 
| 137 | 	\param[in] driveTorque is the value of the brake torque | 
| 138 | 	*/ | 
| 139 | 	void setDriveTorque(const PxU32 id, const PxReal driveTorque); | 
| 140 |  | 
| 141 | 	/** | 
| 142 | 	\brief Set the steer angle to be applied to a specific wheel | 
| 143 | 	 | 
| 144 | 	\note The applied steerAngle persists until the next call to setSteerAngle | 
| 145 | 	 | 
| 146 | 	\note The steer angle is specified in radians. | 
| 147 |  | 
| 148 | 	\param[in] id is the wheel being given the steer angle | 
| 149 | 	\param[in] steerAngle is the value of the steer angle in radians. | 
| 150 | 	*/ | 
| 151 | 	void setSteerAngle(const PxU32 id, const PxReal steerAngle); | 
| 152 |  | 
| 153 | 	/** | 
| 154 | 	\brief Get the brake torque that has been applied to a specific wheel | 
| 155 | 	\param[in] id is the wheel being queried for its brake torque | 
| 156 | 	\return The brake torque applied to the queried wheel. | 
| 157 | 	*/ | 
| 158 | 	PxReal getBrakeTorque(const PxU32 id) const; | 
| 159 |  | 
| 160 | 	/** | 
| 161 | 	\brief Get the drive torque that has been applied to a specific wheel | 
| 162 | 	\param[in] id is the wheel being queried for its drive torque  | 
| 163 | 	\return The drive torque applied to the queried wheel. | 
| 164 | 	*/ | 
| 165 | 	PxReal getDriveTorque(const PxU32 id) const; | 
| 166 |  | 
| 167 | 	/** | 
| 168 | 	\brief Get the steer angle that has been applied to a specific wheel | 
| 169 | 	\param[in] id is the wheel being queried for its steer angle | 
| 170 | 	\return The steer angle (in radians) applied to the queried wheel. | 
| 171 | 	*/ | 
| 172 | 	PxReal getSteerAngle(const PxU32 id) const; | 
| 173 | 		 | 
| 174 | private: | 
| 175 |  | 
| 176 | 	PxReal* mSteerAngles; | 
| 177 | 	PxReal* mDriveTorques; | 
| 178 | 	PxReal* mBrakeTorques; | 
| 179 |  | 
| 180 | #if PX_P64_FAMILY | 
| 181 | 	PxU32 mPad[2]; | 
| 182 | #else  | 
| 183 | 	PxU32 mPad[1]; | 
| 184 | #endif | 
| 185 |  | 
| 186 | 	/** | 
| 187 | 	\brief Test if the instanced dynamics and configuration data has legal values. | 
| 188 | 	*/ | 
| 189 | 	bool isValid() const; | 
| 190 |  | 
| 191 |  | 
| 192 | //serialization | 
| 193 | public: | 
| 194 | 									PxVehicleNoDrive(PxBaseFlags baseFlags) : PxVehicleWheels(baseFlags) {}	 | 
| 195 | 	virtual		void				(PxSerializationContext&); | 
| 196 | 				void				(PxDeserializationContext&); | 
| 197 | 	static		PxVehicleNoDrive*	createObject(PxU8*& address, PxDeserializationContext& context); | 
| 198 | 	static		void				getBinaryMetaData(PxOutputStream& stream); | 
| 199 | 	virtual		const char*			getConcreteTypeName() const			{ return "PxVehicleNoDrive" ;	} | 
| 200 | 	virtual		bool				isKindOf(const char* name)	const	{ return !::strcmp(s1: "PxVehicleNoDrive" , s2: name) || PxBase::isKindOf(superClass: name); } | 
| 201 | 				PxU32				getNbSteerAngle() const { return mWheelsSimData.getNbWheels();	} | 
| 202 | 				PxU32				getNbDriveTorque() const	{ return mWheelsSimData.getNbWheels();	} | 
| 203 | 				PxU32				getNbBrakeTorque() const	{ return mWheelsSimData.getNbWheels();	} | 
| 204 | protected: | 
| 205 | 									PxVehicleNoDrive(); | 
| 206 | 									~PxVehicleNoDrive() {} | 
| 207 | //~serialization | 
| 208 | }; | 
| 209 | PX_COMPILE_TIME_ASSERT(0==(sizeof(PxVehicleNoDrive) & 15)); | 
| 210 |  | 
| 211 | #if !PX_DOXYGEN | 
| 212 | } // namespace physx | 
| 213 | #endif | 
| 214 |  | 
| 215 | /** @} */ | 
| 216 | #endif //PX_VEHICLE_NO_DRIVE_H | 
| 217 |  |