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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
#include "PxPhysicsAPI.h"
#include "extensions/PxExtensionsAPI.h"
#include "characterkinematic/PxControllerManager.h"
#include "characterkinematic/PxCapsuleController.h"
#include "SampleNorthPole.h"
#include "SampleNorthPoleCameraController.h"
#include "SampleNorthPoleInputEventIds.h"
#include <SamplePlatform.h>
#include <SampleUserInput.h>
#include <SampleUserInputIds.h>
#include <SampleUserInputDefines.h>
using namespace SampleRenderer;
using namespace SampleFramework;
void SampleNorthPole::tryStandup()
{
PxSceneWriteLock scopedLock(*mScene);
// overlap with upper part
PxReal r = mController->getRadius();
PxReal dh = mStandingSize-mCrouchingSize-2*r;
PxCapsuleGeometry geom(r, dh*.5f);
PxExtendedVec3 position = mController->getPosition();
PxVec3 pos((float)position.x,(float)position.y+mStandingSize*.5f+r,(float)position.z);
PxQuat orientation(PxHalfPi, PxVec3(0.0f, 0.0f, 1.0f));
PxOverlapBuffer hit;
if(getActiveScene().overlap(geom, PxTransform(pos,orientation),hit,
PxQueryFilterData(PxQueryFlag::eANY_HIT|PxQueryFlag::eSTATIC|PxQueryFlag::eDYNAMIC)))
return;
// if no hit, we can stand up
resizeController(mStandingSize);
mDoStandup = false;
}
void SampleNorthPole::resizeController(PxReal height)
{
PxSceneWriteLock scopedLock(*mScene);
mController->resize(height);
}
PxCapsuleController* SampleNorthPole::createCharacter(const PxExtendedVec3& position)
{
PxCapsuleControllerDesc cDesc;
cDesc.material = &getDefaultMaterial();
cDesc.position = position;
cDesc.height = mStandingSize;
cDesc.radius = mControllerRadius;
cDesc.slopeLimit = 0.0f;
cDesc.contactOffset = 0.1f;
cDesc.stepOffset = 0.02f;
cDesc.reportCallback = this;
cDesc.behaviorCallback = this;
mControllerInitialPosition = cDesc.position;
PxCapsuleController* ctrl = static_cast<PxCapsuleController*>(mControllerManager->createController(cDesc));
// remove controller shape from scene query for standup overlap test
PxRigidDynamic* actor = ctrl->getActor();
if(actor)
{
if(actor->getNbShapes())
{
PxShape* ctrlShape;
actor->getShapes(&ctrlShape,1);
ctrlShape->setFlag(PxShapeFlag::eSCENE_QUERY_SHAPE,false);
}
else
fatalError("character actor has no shape");
}
else
fatalError("character could not create actor");
// uncomment the next line to render the character
//createRenderObjectsFromActor(ctrl->getActor());
return ctrl;
}
void SampleNorthPole::onShapeHit(const PxControllerShapeHit& hit)
{
PxRigidDynamic* actor = hit.shape->getActor()->is<PxRigidDynamic>();
if(actor)
{
// We only allow horizontal pushes. Vertical pushes when we stand on dynamic objects creates
// useless stress on the solver. It would be possible to enable/disable vertical pushes on
// particular objects, if the gameplay requires it.
if(hit.dir.y==0.0f)
{
PxReal coeff = actor->getMass() * hit.length;
PxRigidBodyExt::addForceAtLocalPos(*actor,hit.dir*coeff, PxVec3(0,0,0), PxForceMode::eIMPULSE);
}
}
}
void SampleNorthPole::resetScene()
{
PxSceneWriteLock scopedLock(*mScene);
mController->setPosition(mControllerInitialPosition);
mNorthPoleCamera->setView(0,0);
while(mPhysicsActors.size())
{
PxRigidActor* actor = mPhysicsActors.back();
removeActor(actor);
}
createSnowMen();
buildHeightField();
for(unsigned int b = 0; b < NUM_BALLS; b++)
{
PxRigidDynamic* ball = mSnowBalls[b];
if(ball)
{
removeActor(ball);
ball->release();
mSnowBalls[b] = 0;
// render actor is released inside of removeActor()
mSnowBallsRenderActors[b] = 0;
}
}
}
void SampleNorthPole::collectInputEvents(std::vector<const SampleFramework::InputEvent*>& inputEvents)
{
PhysXSample::collectInputEvents(inputEvents);
getApplication().getPlatform()->getSampleUserInput()->unregisterInputEvent(SPAWN_DEBUG_OBJECT);
getApplication().getPlatform()->getSampleUserInput()->unregisterInputEvent(CAMERA_MOVE_BUTTON);
//digital keyboard events
DIGITAL_INPUT_EVENT_DEF(CROUCH, SCAN_CODE_DOWN, XKEY_C, X1KEY_C, PS3KEY_C, PS4KEY_C, AKEY_UNKNOWN, SCAN_CODE_DOWN, IKEY_UNKNOWN, SCAN_CODE_DOWN, WIIUKEY_UNKNOWN);
DIGITAL_INPUT_EVENT_DEF(RESET_SCENE, WKEY_R, XKEY_R, X1KEY_R, PS3KEY_R, PS4KEY_R, AKEY_UNKNOWN, OSXKEY_R, IKEY_UNKNOWN, LINUXKEY_R, WIIUKEY_UNKNOWN);
//digital gamepad events
DIGITAL_INPUT_EVENT_DEF(CROUCH, GAMEPAD_WEST, GAMEPAD_WEST, GAMEPAD_WEST, GAMEPAD_WEST, GAMEPAD_WEST, AKEY_UNKNOWN, GAMEPAD_WEST, IKEY_UNKNOWN, LINUXKEY_UNKNOWN, GAMEPAD_WEST);
DIGITAL_INPUT_EVENT_DEF(RESET_SCENE, GAMEPAD_NORTH, GAMEPAD_NORTH, GAMEPAD_NORTH, GAMEPAD_NORTH, GAMEPAD_NORTH, KEY_UNKNOWN, GAMEPAD_NORTH, IKEY_UNKNOWN, LINUXKEY_UNKNOWN, GAMEPAD_NORTH);
DIGITAL_INPUT_EVENT_DEF(THROW_BALL, GAMEPAD_RIGHT_SHOULDER_BOT, GAMEPAD_RIGHT_SHOULDER_BOT, GAMEPAD_RIGHT_SHOULDER_BOT, GAMEPAD_RIGHT_SHOULDER_BOT, GAMEPAD_RIGHT_SHOULDER_BOT, AKEY_UNKNOWN, GAMEPAD_RIGHT_SHOULDER_BOT, IKEY_UNKNOWN, LINUXKEY_UNKNOWN, GAMEPAD_RIGHT_SHOULDER_BOT);
//digital mouse events
if (!isPaused())
{
DIGITAL_INPUT_EVENT_DEF(THROW_BALL, MOUSE_BUTTON_LEFT, XKEY_UNKNOWN, X1KEY_UNKNOWN, PS3KEY_UNKNOWN, PS4KEY_UNKNOWN, AKEY_UNKNOWN, MOUSE_BUTTON_LEFT, IKEY_UNKNOWN, MOUSE_BUTTON_LEFT, WIIUKEY_UNKNOWN);
}
//touch events
TOUCH_INPUT_EVENT_DEF(RESET_SCENE, "Reset", ABUTTON_5, IBUTTON_5);
TOUCH_INPUT_EVENT_DEF(CROUCH, "Crouch", ABUTTON_6, IBUTTON_6);
TOUCH_INPUT_EVENT_DEF(THROW_BALL, "Throw Ball", AQUICK_BUTTON_1, IQUICK_BUTTON_1);
}
void SampleNorthPole::onDigitalInputEvent(const SampleFramework::InputEvent& ie, bool val)
{
switch (ie.m_Id)
{
case CROUCH:
{
if(val)
{
resizeController(mCrouchingSize);
}
else
{
mDoStandup = true;
}
}
break;
case RESET_SCENE:
{
if(val)
{
resetScene();
}
}
break;
case THROW_BALL:
{
if(val)
{
throwBall();
}
}
break;
}
PhysXSample::onDigitalInputEvent(ie,val);
}
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