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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and related documentation and
// any modifications thereto. Any use, reproduction, disclosure, or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA Corporation is strictly prohibited.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2008-2017 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#include "SampleNorthPole.h"
#include "SampleNorthPoleCameraController.h"
#include "PxRigidDynamic.h"
#include "geometry/PxCapsuleGeometry.h"
#include "PxShape.h"
#include "characterkinematic/PxCapsuleController.h"
#include <SampleBaseInputEventIds.h>
#include <SamplePlatform.h>
#include <SampleUserInput.h>
#include <SampleUserInputIds.h>
#include <SampleUserInputDefines.h>
using namespace SampleRenderer;
using namespace SampleFramework;
SampleNorthPoleCameraController::SampleNorthPoleCameraController(PxCapsuleController& controlled, SampleNorthPole& base) :
mCCT (controlled),
mBase (base),
mTargetYaw (0.0f-PxPi/2),
mTargetPitch (0.0f),
mPitchMin (-PxHalfPi*.99f),
mPitchMax (PxHalfPi*.99f),
mGamepadPitchInc (0.0f),
mGamepadYawInc (0.0f),
mGamepadForwardInc (0.0f),
mGamepadLateralInc (0.0f),
mSensibility (0.001f),
mFwd (false),
mBwd (false),
mLeft (false),
mRight (false),
mKeyShiftDown (false),
mRunningSpeed (10.0f),
mWalkingSpeed (2.5f),
mFilterMemory (0.0f)
{
mFilterMemory = float(computeCameraTarget().y);
}
void SampleNorthPoleCameraController::collectInputEvents(std::vector<const SampleFramework::InputEvent*>& inputEvents)
{
//digital keyboard events
DIGITAL_INPUT_EVENT_DEF(CAMERA_MOVE_FORWARD, SCAN_CODE_FORWARD, XKEY_W, X1KEY_W, PS3KEY_W, PS4KEY_W, AKEY_UNKNOWN, SCAN_CODE_FORWARD, IKEY_UNKNOWN, SCAN_CODE_FORWARD, WIIUKEY_UNKNOWN);
DIGITAL_INPUT_EVENT_DEF(CAMERA_MOVE_BACKWARD, SCAN_CODE_BACKWARD, XKEY_S, X1KEY_S, PS3KEY_S, PS4KEY_S, AKEY_UNKNOWN, SCAN_CODE_BACKWARD, IKEY_UNKNOWN, SCAN_CODE_BACKWARD, WIIUKEY_UNKNOWN);
DIGITAL_INPUT_EVENT_DEF(CAMERA_MOVE_LEFT, SCAN_CODE_LEFT, XKEY_A, X1KEY_A, PS3KEY_A, PS4KEY_A, AKEY_UNKNOWN, SCAN_CODE_LEFT, IKEY_UNKNOWN, SCAN_CODE_LEFT, WIIUKEY_UNKNOWN);
DIGITAL_INPUT_EVENT_DEF(CAMERA_MOVE_RIGHT, SCAN_CODE_RIGHT, XKEY_D, X1KEY_D, PS3KEY_D, PS4KEY_D, AKEY_UNKNOWN, SCAN_CODE_RIGHT, IKEY_UNKNOWN, SCAN_CODE_RIGHT, WIIUKEY_UNKNOWN);
DIGITAL_INPUT_EVENT_DEF(CAMERA_SHIFT_SPEED, SCAN_CODE_LEFT_SHIFT, XKEY_SHIFT, X1KEY_SHIFT, PS3KEY_SHIFT, PS4KEY_SHIFT, AKEY_UNKNOWN, OSXKEY_SHIFT, IKEY_UNKNOWN, LINUXKEY_SHIFT, WIIUKEY_UNKNOWN);
//analog gamepad events
ANALOG_INPUT_EVENT_DEF(CAMERA_GAMEPAD_ROTATE_LEFT_RIGHT, GAMEPAD_ROTATE_SENSITIVITY, GAMEPAD_RIGHT_STICK_X, GAMEPAD_RIGHT_STICK_X, GAMEPAD_RIGHT_STICK_X, GAMEPAD_RIGHT_STICK_X, GAMEPAD_RIGHT_STICK_X, GAMEPAD_RIGHT_STICK_X, GAMEPAD_RIGHT_STICK_X, GAMEPAD_RIGHT_STICK_X, LINUXKEY_UNKNOWN, GAMEPAD_RIGHT_STICK_X);
ANALOG_INPUT_EVENT_DEF(CAMERA_GAMEPAD_ROTATE_UP_DOWN, GAMEPAD_ROTATE_SENSITIVITY, GAMEPAD_RIGHT_STICK_Y, GAMEPAD_RIGHT_STICK_Y, GAMEPAD_RIGHT_STICK_Y, GAMEPAD_RIGHT_STICK_Y, GAMEPAD_RIGHT_STICK_Y, GAMEPAD_RIGHT_STICK_Y, GAMEPAD_RIGHT_STICK_Y, GAMEPAD_RIGHT_STICK_Y, LINUXKEY_UNKNOWN, GAMEPAD_RIGHT_STICK_Y);
ANALOG_INPUT_EVENT_DEF(CAMERA_GAMEPAD_MOVE_LEFT_RIGHT, GAMEPAD_DEFAULT_SENSITIVITY, GAMEPAD_LEFT_STICK_X, GAMEPAD_LEFT_STICK_X, GAMEPAD_LEFT_STICK_X, GAMEPAD_LEFT_STICK_X, GAMEPAD_LEFT_STICK_X, GAMEPAD_LEFT_STICK_X, GAMEPAD_LEFT_STICK_X, GAMEPAD_LEFT_STICK_X, LINUXKEY_UNKNOWN, GAMEPAD_LEFT_STICK_X);
ANALOG_INPUT_EVENT_DEF(CAMERA_GAMEPAD_MOVE_FORWARD_BACK, GAMEPAD_DEFAULT_SENSITIVITY, GAMEPAD_LEFT_STICK_Y, GAMEPAD_LEFT_STICK_Y, GAMEPAD_LEFT_STICK_Y, GAMEPAD_LEFT_STICK_Y, GAMEPAD_LEFT_STICK_Y, GAMEPAD_LEFT_STICK_Y, GAMEPAD_LEFT_STICK_Y, GAMEPAD_LEFT_STICK_Y, LINUXKEY_UNKNOWN, GAMEPAD_LEFT_STICK_Y);
}
void SampleNorthPoleCameraController::onDigitalInputEvent(const SampleFramework::InputEvent& ie, bool val)
{
if(val)
{
if(ie.m_Id == CAMERA_MOVE_FORWARD) mFwd = true;
else if(ie.m_Id == CAMERA_MOVE_BACKWARD) mBwd = true;
else if(ie.m_Id == CAMERA_MOVE_LEFT) mLeft = true;
else if(ie.m_Id == CAMERA_MOVE_RIGHT) mRight = true;
else if(ie.m_Id == CAMERA_SHIFT_SPEED) mKeyShiftDown = true;
}
else
{
if(ie.m_Id == CAMERA_MOVE_FORWARD) mFwd = false;
else if(ie.m_Id == CAMERA_MOVE_BACKWARD) mBwd = false;
else if(ie.m_Id == CAMERA_MOVE_LEFT) mLeft = false;
else if(ie.m_Id == CAMERA_MOVE_RIGHT) mRight = false;
else if(ie.m_Id == CAMERA_SHIFT_SPEED) mKeyShiftDown = false;
}
}
static PX_FORCE_INLINE PxReal remapAxisValue(PxReal absolutePosition)
{
return absolutePosition * absolutePosition * absolutePosition * 5.0f;
}
void SampleNorthPoleCameraController::onAnalogInputEvent(const SampleFramework::InputEvent& ie, float val)
{
if(ie.m_Id == CAMERA_GAMEPAD_ROTATE_LEFT_RIGHT)
{
mGamepadYawInc = -remapAxisValue(val);
}
else if(ie.m_Id == CAMERA_GAMEPAD_ROTATE_UP_DOWN)
{
// PT: ideally we'd need an option to "invert Y axis" here
// mGamepadPitchInc = - remapAxisValue(val);
mGamepadPitchInc = remapAxisValue(val);
}
else if(ie.m_Id == CAMERA_GAMEPAD_MOVE_LEFT_RIGHT)
{
mGamepadLateralInc = val;
}
else if(ie.m_Id == CAMERA_GAMEPAD_MOVE_FORWARD_BACK)
{
mGamepadForwardInc = val;
}
}
void SampleNorthPoleCameraController::onPointerInputEvent(const SampleFramework::InputEvent &ie, physx::PxU32 x, physx::PxU32 y, physx::PxReal dx, physx::PxReal dy, bool val)
{
if (ie.m_Id == CAMERA_MOUSE_LOOK)
{
mTargetYaw -= dx * mSensibility;
mTargetPitch += dy * mSensibility;
}
}
void SampleNorthPoleCameraController::setView(PxReal pitch, PxReal yaw)
{
mTargetPitch = pitch;
mTargetYaw = yaw;
}
PxExtendedVec3 SampleNorthPoleCameraController::computeCameraTarget()
{
PxRigidActor* characterActor = mCCT.getActor();
PxShape* shape;
characterActor->getShapes(&shape,1);
PxCapsuleGeometry geom;
shape->getCapsuleGeometry(geom);
const PxExtendedVec3 headPos = PxExtendedVec3(0,geom.halfHeight+geom.radius,0);
return mCCT.getPosition() + headPos;
}
static PX_INLINE float feedbackFilter(float val, float& memory, float sharpness)
{
if(sharpness<0.0f) sharpness = 0.0f;
else if(sharpness>1.0f) sharpness = 1.0f;
return memory = val * sharpness + memory * (1.0f - sharpness);
}
void SampleNorthPoleCameraController::update(Camera& camera, PxReal dtime)
{
PxSceneReadLock scopedLock(mBase.getActiveScene());
// Update CCT
if(!mBase.isPaused())
{
PxVec3 targetKeyDisplacement(0);
PxVec3 targetPadDisplacement(0);
PxVec3 forward = camera.getViewDir();
forward.y = 0;
forward.normalize();
PxVec3 up = PxVec3(0,1,0);
PxVec3 right = forward.cross(up);
if(mFwd) targetKeyDisplacement += forward;
if(mBwd) targetKeyDisplacement -= forward;
if(mRight) targetKeyDisplacement += right;
if(mLeft) targetKeyDisplacement -= right;
targetKeyDisplacement *= mKeyShiftDown ? mRunningSpeed : mWalkingSpeed;
targetKeyDisplacement += PxVec3(0,-9.81,0);
targetKeyDisplacement *= dtime;
targetPadDisplacement += forward * mGamepadForwardInc * mRunningSpeed;
targetPadDisplacement += right * mGamepadLateralInc * mRunningSpeed;
targetPadDisplacement += PxVec3(0,-9.81,0);
targetPadDisplacement *= dtime;
// PxU32 flags = mCCT.move(targetKeyDisplacement + targetPadDisplacement, 0.001f, dtime, PxControllerFilters(0));
PxU32 flags = mCCT.move(targetKeyDisplacement + targetPadDisplacement, 0.0f, dtime, PxControllerFilters(0));
PX_UNUSED(flags);
}
// Update camera
{
mTargetYaw += mGamepadYawInc * dtime;
mTargetPitch += mGamepadPitchInc * dtime;
// Clamp pitch
if(mTargetPitch<mPitchMin) mTargetPitch = mPitchMin;
if(mTargetPitch>mPitchMax) mTargetPitch = mPitchMax;
camera.setRot(PxVec3(-mTargetPitch,-mTargetYaw,0));
PxExtendedVec3 camTarget = computeCameraTarget();
const float filteredHeight = feedbackFilter((float)camTarget.y, mFilterMemory, dtime*6.0f);
camTarget.y = filteredHeight;
const PxF32 distanceToTarget = 0.0f;
const PxVec3 target = toVec3(camTarget) - camera.getViewDir()*distanceToTarget;
camera.setPos(target);
}
}
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