4e42229bdd
git-subtree-dir: external/gainput git-subtree-split: 2be0a50089eafcc6fccb66142180082e48f27f4c
100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
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#ifndef GAINPUTINPUTDEVICETOUCHANDROID_H_
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#define GAINPUTINPUTDEVICETOUCHANDROID_H_
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#include <android/native_activity.h>
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#include "GainputInputDeviceTouchImpl.h"
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#include "GainputTouchInfo.h"
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#include <gainput/GainputHelpers.h>
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namespace gainput
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{
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class InputDeviceTouchImplAndroid : public InputDeviceTouchImpl
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{
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public:
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InputDeviceTouchImplAndroid(InputManager& manager, InputDevice& device, InputState& state, InputState& previousState) :
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manager_(manager),
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device_(device),
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state_(&state),
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previousState_(&previousState),
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nextState_(manager.GetAllocator(), TouchPointCount*TouchDataElems),
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delta_(0)
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{
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}
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InputDevice::DeviceVariant GetVariant() const
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{
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return InputDevice::DV_STANDARD;
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}
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void Update(InputDeltaState* delta)
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{
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delta_ = delta;
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*state_ = nextState_;
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}
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InputDevice::DeviceState GetState() const { return InputDevice::DS_OK; }
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int32_t HandleInput(AInputEvent* event)
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{
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GAINPUT_ASSERT(state_);
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GAINPUT_ASSERT(previousState_);
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GAINPUT_ASSERT(event);
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if (AInputEvent_getType(event) != AINPUT_EVENT_TYPE_MOTION)
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{
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return 0;
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}
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for (unsigned i = 0; i < AMotionEvent_getPointerCount(event) && i < TouchPointCount; ++i)
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{
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GAINPUT_ASSERT(i < TouchPointCount);
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const float x = AMotionEvent_getX(event, i);
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const float y = AMotionEvent_getY(event, i);
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const int32_t w = manager_.GetDisplayWidth();
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const int32_t h = manager_.GetDisplayHeight();
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HandleFloat(Touch0X + i*TouchDataElems, x/float(w));
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HandleFloat(Touch0Y + i*TouchDataElems, y/float(h));
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const int motionAction = AMotionEvent_getAction(event);
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const bool down = (motionAction == AMOTION_EVENT_ACTION_DOWN || motionAction == AMOTION_EVENT_ACTION_MOVE);
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HandleBool(Touch0Down + i*TouchDataElems, down);
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HandleFloat(Touch0Pressure + i*TouchDataElems, AMotionEvent_getPressure(event, i));
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#ifdef GAINPUT_DEBUG
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GAINPUT_LOG("Touch %i) x: %f, y: %f, w: %i, h: %i, action: %d\n", i, x, y, w, h, motionAction);
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#endif
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}
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return 1;
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}
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InputState* GetNextInputState()
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{
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return &nextState_;
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}
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private:
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InputManager& manager_;
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InputDevice& device_;
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InputState* state_;
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InputState* previousState_;
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InputState nextState_;
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InputDeltaState* delta_;
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void HandleBool(DeviceButtonId buttonId, bool value)
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{
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HandleButton(device_, nextState_, delta_, buttonId, value);
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}
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void HandleFloat(DeviceButtonId buttonId, float value)
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{
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HandleAxis(device_, nextState_, delta_, buttonId, value);
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}
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};
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}
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#endif
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