4e42229bdd
git-subtree-dir: external/gainput git-subtree-split: 2be0a50089eafcc6fccb66142180082e48f27f4c
72 lines
1.4 KiB
C++
72 lines
1.4 KiB
C++
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#ifndef GAINPUTHELPERS_H_
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#define GAINPUTHELPERS_H_
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#include <gainput/GainputLog.h>
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namespace gainput
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{
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inline void HandleButton(InputDevice& device, InputState& state, InputDeltaState* delta, DeviceButtonId buttonId, bool value)
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{
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#ifdef GAINPUT_DEBUG
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if (value != state.GetBool(buttonId))
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{
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GAINPUT_LOG("Button changed: %d, %i\n", buttonId, value);
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}
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#endif
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if (delta)
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{
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const bool oldValue = state.GetBool(buttonId);
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if (value != oldValue)
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{
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delta->AddChange(device.GetDeviceId(), buttonId, oldValue, value);
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}
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}
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state.Set(buttonId, value);
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}
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inline void HandleAxis(InputDevice& device, InputState& state, InputDeltaState* delta, DeviceButtonId buttonId, float value)
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{
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const float deadZone = device.GetDeadZone(buttonId);
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if (deadZone > 0.0f)
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{
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const float absValue = Abs(value);
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const float sign = value < 0.0f ? -1.0f : 1.0f;
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if (absValue < deadZone)
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{
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value = 0.0f;
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}
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else
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{
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value -= sign*deadZone;
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value *= 1.0f / (1.0f - deadZone);
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}
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}
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#ifdef GAINPUT_DEBUG
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if (value != state.GetFloat(buttonId))
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{
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GAINPUT_LOG("Axis changed: %d, %f\n", buttonId, value);
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}
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#endif
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if (delta)
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{
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const float oldValue = state.GetFloat(buttonId);
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if (value != oldValue)
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{
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delta->AddChange(device.GetDeviceId(), buttonId, oldValue, value);
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}
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}
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state.Set(buttonId, value);
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}
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}
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#endif
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