163 lines
4.9 KiB
C++
163 lines
4.9 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#include "InputEventBuffer.h"
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#include "PhysXSampleApplication.h"
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using namespace physx;
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using namespace SampleRenderer;
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using namespace SampleFramework;
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using namespace PxToolkit;
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InputEventBuffer::InputEventBuffer(PhysXSampleApplication& p)
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: mResetInputCacheReq(0)
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, mResetInputCacheAck(0)
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, mLastKeyDownEx(NULL)
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, mLastDigitalInput(NULL)
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, mLastAnalogInput(NULL)
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, mLastPointerInput(NULL)
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, mApp(p)
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, mClearBuffer(false)
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{
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}
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InputEventBuffer::~InputEventBuffer()
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{
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}
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void InputEventBuffer::onKeyDownEx(SampleFramework::SampleUserInput::KeyCode keyCode, PxU32 wParam)
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{
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checkResetLastInput();
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if(mLastKeyDownEx && mLastKeyDownEx->isEqual(keyCode, wParam))
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return;
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if(mRingBuffer.isFull())
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return;
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KeyDownEx& event = mRingBuffer.front().get<KeyDownEx>();
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PX_PLACEMENT_NEW(&event, KeyDownEx);
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event.keyCode = keyCode;
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event.wParam = wParam;
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mLastKeyDownEx = &event;
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mRingBuffer.incFront(1);
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}
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void InputEventBuffer::onAnalogInputEvent(const SampleFramework::InputEvent& e, float val)
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{
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checkResetLastInput();
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if(mLastAnalogInput && mLastAnalogInput->isEqual(e, val))
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return;
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if(mRingBuffer.isFull() || (mRingBuffer.size() > MAX_ANALOG_EVENTS))
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return;
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AnalogInput& event = mRingBuffer.front().get<AnalogInput>();
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PX_PLACEMENT_NEW(&event, AnalogInput);
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event.e = e;
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event.val = val;
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mLastAnalogInput = &event;
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mRingBuffer.incFront(1);
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}
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void InputEventBuffer::onDigitalInputEvent(const SampleFramework::InputEvent& e, bool val)
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{
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checkResetLastInput();
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if(mLastDigitalInput && mLastDigitalInput->isEqual(e, val))
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return;
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if(mRingBuffer.isFull())
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return;
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DigitalInput& event = mRingBuffer.front().get<DigitalInput>();
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PX_PLACEMENT_NEW(&event, DigitalInput);
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event.e = e;
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event.val = val;
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mLastDigitalInput = &event;
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mRingBuffer.incFront(1);
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}
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void InputEventBuffer::onPointerInputEvent(const SampleFramework::InputEvent& e, PxU32 x, PxU32 y, PxReal dx, PxReal dy, bool val)
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{
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checkResetLastInput();
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if(mLastPointerInput && mLastPointerInput->isEqual(e, x, y, dx, dy, val))
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return;
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if(mRingBuffer.isFull() || (mRingBuffer.size() > MAX_MOUSE_EVENTS))
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return;
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PointerInput& event = mRingBuffer.front().get<PointerInput>();
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PX_PLACEMENT_NEW(&event, PointerInput);
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event.e = e;
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event.x = x;
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event.y = y;
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event.dx = dx;
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event.dy = dy;
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event.val = val;
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mLastPointerInput = &event;
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mRingBuffer.incFront(1);
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}
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void InputEventBuffer::clear()
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{
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mClearBuffer = true;
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}
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void InputEventBuffer::flush()
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{
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if(mResetInputCacheReq==mResetInputCacheAck)
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mResetInputCacheReq++;
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PxU32 size = mRingBuffer.size();
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Ps::memoryBarrier();
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// do not work on more than size, else input cache might become overwritten
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while(size-- && !mClearBuffer)
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{
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mRingBuffer.back().get<EventType>().report(mApp);
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mRingBuffer.incBack(1);
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}
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if(mClearBuffer)
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{
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mRingBuffer.clear();
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mClearBuffer = false;
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}
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}
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void InputEventBuffer::KeyDownEx::report(PhysXSampleApplication& app) const
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{
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app.onKeyDownEx(keyCode, wParam);
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}
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void InputEventBuffer::AnalogInput::report(PhysXSampleApplication& app) const
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{
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app.onAnalogInputEvent(e, val);
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}
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void InputEventBuffer::DigitalInput::report(PhysXSampleApplication& app) const
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{
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app.onDigitalInputEvent(e, val);
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}
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void InputEventBuffer::PointerInput::report(PhysXSampleApplication& app) const
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{
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app.onPointerInputEvent(e, x, y, dx, dy, val);
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}
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