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ControlMapper.cpp
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ControlMapper.cpp
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#include <algorithm>
#include "Common/Math/math_util.h"
#include "Common/TimeUtil.h"
#include "Common/Log.h"
#include "Core/KeyMap.h"
#include "Core/ControlMapper.h"
#include "Core/Config.h"
static float MapAxisValue(float v) {
const float deadzone = g_Config.fAnalogDeadzone;
const float invDeadzone = g_Config.fAnalogInverseDeadzone;
const float sensitivity = g_Config.fAnalogSensitivity;
const float sign = v >= 0.0f ? 1.0f : -1.0f;
return sign * Clamp(invDeadzone + (abs(v) - deadzone) / (1.0f - deadzone) * (sensitivity - invDeadzone), 0.0f, 1.0f);
}
void ConvertAnalogStick(float &x, float &y) {
const bool isCircular = g_Config.bAnalogIsCircular;
float norm = std::max(fabsf(x), fabsf(y));
if (norm == 0.0f)
return;
if (isCircular) {
float newNorm = sqrtf(x * x + y * y);
float factor = newNorm / norm;
x *= factor;
y *= factor;
norm = newNorm;
}
float mappedNorm = MapAxisValue(norm);
x = Clamp(x / norm * mappedNorm, -1.0f, 1.0f);
y = Clamp(y / norm * mappedNorm, -1.0f, 1.0f);
}
void ControlMapper::SetCallbacks(std::function<void(int)> onVKeyDown, std::function<void(int)> onVKeyUp, std::function<void(int, float, float)> setPSPAnalog) {
onVKeyDown_ = onVKeyDown;
onVKeyUp_ = onVKeyUp;
setPSPAnalog_ = setPSPAnalog;
}
void ControlMapper::SetRawCallback(std::function<void(int, float, float)> setRawAnalog) {
setRawAnalog_ = setRawAnalog;
}
void ControlMapper::SetPSPAxis(char axis, float value, int stick) {
static float history[2][2] = {};
int axisId = axis == 'X' ? 0 : 1;
history[stick][axisId] = value;
float x = history[stick][0];
float y = history[stick][1];
if (setRawAnalog_) {
setRawAnalog_(stick, x, y);
}
ConvertAnalogStick(x, y);
setPSPAnalog_(stick, x, y);
}
bool ControlMapper::Key(const KeyInput &key, bool *pauseTrigger) {
std::vector<int> pspKeys;
KeyMap::KeyToPspButton(key.deviceId, key.keyCode, &pspKeys);
if (pspKeys.size() && (key.flags & KEY_IS_REPEAT)) {
// Claim that we handled this. Prevents volume key repeats from popping up the volume control on Android.
return true;
}
for (size_t i = 0; i < pspKeys.size(); i++) {
pspKey(pspKeys[i], key.flags);
}
DEBUG_LOG(SYSTEM, "Key: %d DeviceId: %d", key.keyCode, key.deviceId);
if (!pspKeys.size() || key.deviceId == DEVICE_ID_DEFAULT) {
if ((key.flags & KEY_DOWN) && key.keyCode == NKCODE_BACK) {
*pauseTrigger = true;
return true;
}
}
return pspKeys.size() > 0;
}
bool ControlMapper::Axis(const AxisInput &axis) {
if (axis.value > 0) {
processAxis(axis, 1);
return true;
} else if (axis.value < 0) {
processAxis(axis, -1);
return true;
} else if (axis.value == 0) {
// Both directions! Prevents sticking for digital input devices that are axises (like HAT)
processAxis(axis, 1);
processAxis(axis, -1);
return true;
}
return false;
}
void ControlMapper::Update() {
if (autoRotatingAnalogCW_) {
const double now = time_now_d();
// Clamp to a square
float x = std::min(1.0f, std::max(-1.0f, 1.42f * (float)cos(now * -g_Config.fAnalogAutoRotSpeed)));
float y = std::min(1.0f, std::max(-1.0f, 1.42f * (float)sin(now * -g_Config.fAnalogAutoRotSpeed)));
setPSPAnalog_(0, x, y);
} else if (autoRotatingAnalogCCW_) {
const double now = time_now_d();
float x = std::min(1.0f, std::max(-1.0f, 1.42f * (float)cos(now * g_Config.fAnalogAutoRotSpeed)));
float y = std::min(1.0f, std::max(-1.0f, 1.42f * (float)sin(now * g_Config.fAnalogAutoRotSpeed)));
setPSPAnalog_(0, x, y);
}
}
inline bool IsAnalogStickKey(int key) {
switch (key) {
case VIRTKEY_AXIS_X_MIN:
case VIRTKEY_AXIS_X_MAX:
case VIRTKEY_AXIS_Y_MIN:
case VIRTKEY_AXIS_Y_MAX:
case VIRTKEY_AXIS_RIGHT_X_MIN:
case VIRTKEY_AXIS_RIGHT_X_MAX:
case VIRTKEY_AXIS_RIGHT_Y_MIN:
case VIRTKEY_AXIS_RIGHT_Y_MAX:
return true;
default:
return false;
}
}
static int RotatePSPKeyCode(int x) {
switch (x) {
case CTRL_UP: return CTRL_RIGHT;
case CTRL_RIGHT: return CTRL_DOWN;
case CTRL_DOWN: return CTRL_LEFT;
case CTRL_LEFT: return CTRL_UP;
default:
return x;
}
}
void ControlMapper::setVKeyAnalog(char axis, int stick, int virtualKeyMin, int virtualKeyMax, bool setZero) {
// The down events can repeat, so just trust the virtKeys array.
bool minDown = virtKeys[virtualKeyMin - VIRTKEY_FIRST];
bool maxDown = virtKeys[virtualKeyMax - VIRTKEY_FIRST];
const float scale = virtKeys[VIRTKEY_ANALOG_LIGHTLY - VIRTKEY_FIRST] ? g_Config.fAnalogLimiterDeadzone : 1.0f;
float value = 0.0f;
if (minDown)
value -= scale;
if (maxDown)
value += scale;
if (setZero || minDown || maxDown) {
SetPSPAxis(axis, value, stick);
}
}
void ControlMapper::pspKey(int pspKeyCode, int flags) {
int rotations = 0;
switch (g_Config.iInternalScreenRotation) {
case ROTATION_LOCKED_HORIZONTAL180:
rotations = 2;
break;
case ROTATION_LOCKED_VERTICAL:
rotations = 1;
break;
case ROTATION_LOCKED_VERTICAL180:
rotations = 3;
break;
}
for (int i = 0; i < rotations; i++) {
pspKeyCode = RotatePSPKeyCode(pspKeyCode);
}
if (pspKeyCode >= VIRTKEY_FIRST) {
int vk = pspKeyCode - VIRTKEY_FIRST;
if (flags & KEY_DOWN) {
virtKeys[vk] = true;
onVKeyDown(pspKeyCode);
}
if (flags & KEY_UP) {
virtKeys[vk] = false;
onVKeyUp(pspKeyCode);
}
} else {
// INFO_LOG(SYSTEM, "pspKey %i %i", pspKeyCode, flags);
if (flags & KEY_DOWN)
__CtrlButtonDown(pspKeyCode);
if (flags & KEY_UP)
__CtrlButtonUp(pspKeyCode);
}
}
void ControlMapper::onVKeyDown(int vkey) {
switch (vkey) {
case VIRTKEY_AXIS_X_MIN:
case VIRTKEY_AXIS_X_MAX:
setVKeyAnalog('X', CTRL_STICK_LEFT, VIRTKEY_AXIS_X_MIN, VIRTKEY_AXIS_X_MAX);
break;
case VIRTKEY_AXIS_Y_MIN:
case VIRTKEY_AXIS_Y_MAX:
setVKeyAnalog('Y', CTRL_STICK_LEFT, VIRTKEY_AXIS_Y_MIN, VIRTKEY_AXIS_Y_MAX);
break;
case VIRTKEY_AXIS_RIGHT_X_MIN:
case VIRTKEY_AXIS_RIGHT_X_MAX:
setVKeyAnalog('X', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_X_MIN, VIRTKEY_AXIS_RIGHT_X_MAX);
break;
case VIRTKEY_AXIS_RIGHT_Y_MIN:
case VIRTKEY_AXIS_RIGHT_Y_MAX:
setVKeyAnalog('Y', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_Y_MIN, VIRTKEY_AXIS_RIGHT_Y_MAX);
break;
case VIRTKEY_ANALOG_LIGHTLY:
setVKeyAnalog('X', CTRL_STICK_LEFT, VIRTKEY_AXIS_X_MIN, VIRTKEY_AXIS_X_MAX, false);
setVKeyAnalog('Y', CTRL_STICK_LEFT, VIRTKEY_AXIS_Y_MIN, VIRTKEY_AXIS_Y_MAX, false);
setVKeyAnalog('X', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_X_MIN, VIRTKEY_AXIS_RIGHT_X_MAX, false);
setVKeyAnalog('Y', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_Y_MIN, VIRTKEY_AXIS_RIGHT_Y_MAX, false);
break;
case VIRTKEY_ANALOG_ROTATE_CW:
autoRotatingAnalogCW_ = true;
autoRotatingAnalogCCW_ = false;
break;
case VIRTKEY_ANALOG_ROTATE_CCW:
autoRotatingAnalogCW_ = false;
autoRotatingAnalogCCW_ = true;
break;
default:
if (onVKeyDown_)
onVKeyDown_(vkey);
break;
}
}
void ControlMapper::onVKeyUp(int vkey) {
switch (vkey) {
case VIRTKEY_AXIS_X_MIN:
case VIRTKEY_AXIS_X_MAX:
setVKeyAnalog('X', CTRL_STICK_LEFT, VIRTKEY_AXIS_X_MIN, VIRTKEY_AXIS_X_MAX);
break;
case VIRTKEY_AXIS_Y_MIN:
case VIRTKEY_AXIS_Y_MAX:
setVKeyAnalog('Y', CTRL_STICK_LEFT, VIRTKEY_AXIS_Y_MIN, VIRTKEY_AXIS_Y_MAX);
break;
case VIRTKEY_AXIS_RIGHT_X_MIN:
case VIRTKEY_AXIS_RIGHT_X_MAX:
setVKeyAnalog('X', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_X_MIN, VIRTKEY_AXIS_RIGHT_X_MAX);
break;
case VIRTKEY_AXIS_RIGHT_Y_MIN:
case VIRTKEY_AXIS_RIGHT_Y_MAX:
setVKeyAnalog('Y', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_Y_MIN, VIRTKEY_AXIS_RIGHT_Y_MAX);
break;
case VIRTKEY_ANALOG_LIGHTLY:
setVKeyAnalog('X', CTRL_STICK_LEFT, VIRTKEY_AXIS_X_MIN, VIRTKEY_AXIS_X_MAX, false);
setVKeyAnalog('Y', CTRL_STICK_LEFT, VIRTKEY_AXIS_Y_MIN, VIRTKEY_AXIS_Y_MAX, false);
setVKeyAnalog('X', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_X_MIN, VIRTKEY_AXIS_RIGHT_X_MAX, false);
setVKeyAnalog('Y', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_Y_MIN, VIRTKEY_AXIS_RIGHT_Y_MAX, false);
break;
case VIRTKEY_ANALOG_ROTATE_CW:
autoRotatingAnalogCW_ = false;
__CtrlSetAnalogXY(0, 0.0f, 0.0f);
break;
case VIRTKEY_ANALOG_ROTATE_CCW:
autoRotatingAnalogCCW_ = false;
__CtrlSetAnalogXY(0, 0.0f, 0.0f);
break;
default:
if (onVKeyUp_)
onVKeyUp_(vkey);
break;
}
}
void ControlMapper::processAxis(const AxisInput &axis, int direction) {
// Sanity check
if (axis.axisId < 0 || axis.axisId >= JOYSTICK_AXIS_MAX) {
return;
}
const float scale = virtKeys[VIRTKEY_ANALOG_LIGHTLY - VIRTKEY_FIRST] ? g_Config.fAnalogLimiterDeadzone : 1.0f;
std::vector<int> results;
KeyMap::AxisToPspButton(axis.deviceId, axis.axisId, direction, &results);
for (int result : results) {
float value = fabs(axis.value) * scale;
switch (result) {
case VIRTKEY_AXIS_X_MIN:
SetPSPAxis('X', -value, CTRL_STICK_LEFT);
break;
case VIRTKEY_AXIS_X_MAX:
SetPSPAxis('X', value, CTRL_STICK_LEFT);
break;
case VIRTKEY_AXIS_Y_MIN:
SetPSPAxis('Y', -value, CTRL_STICK_LEFT);
break;
case VIRTKEY_AXIS_Y_MAX:
SetPSPAxis('Y', value, CTRL_STICK_LEFT);
break;
case VIRTKEY_AXIS_RIGHT_X_MIN:
SetPSPAxis('X', -value, CTRL_STICK_RIGHT);
break;
case VIRTKEY_AXIS_RIGHT_X_MAX:
SetPSPAxis('X', value, CTRL_STICK_RIGHT);
break;
case VIRTKEY_AXIS_RIGHT_Y_MIN:
SetPSPAxis('Y', -value, CTRL_STICK_RIGHT);
break;
case VIRTKEY_AXIS_RIGHT_Y_MAX:
SetPSPAxis('Y', value, CTRL_STICK_RIGHT);
break;
}
}
std::vector<int> resultsOpposite;
KeyMap::AxisToPspButton(axis.deviceId, axis.axisId, -direction, &resultsOpposite);
int axisState = 0;
float threshold = axis.deviceId == DEVICE_ID_MOUSE ? AXIS_BIND_THRESHOLD_MOUSE : AXIS_BIND_THRESHOLD;
if (direction == 1 && axis.value >= threshold) {
axisState = 1;
} else if (direction == -1 && axis.value <= -threshold) {
axisState = -1;
} else {
axisState = 0;
}
if (axisState != axisState_[axis.axisId]) {
axisState_[axis.axisId] = axisState;
if (axisState != 0) {
for (size_t i = 0; i < results.size(); i++) {
if (!IsAnalogStickKey(results[i]))
pspKey(results[i], KEY_DOWN);
}
// Also unpress the other direction (unless both directions press the same key.)
for (size_t i = 0; i < resultsOpposite.size(); i++) {
if (!IsAnalogStickKey(resultsOpposite[i]) && std::find(results.begin(), results.end(), resultsOpposite[i]) == results.end())
pspKey(resultsOpposite[i], KEY_UP);
}
} else if (axisState == 0) {
// Release both directions, trying to deal with some erratic controllers that can cause it to stick.
for (size_t i = 0; i < results.size(); i++) {
if (!IsAnalogStickKey(results[i]))
pspKey(results[i], KEY_UP);
}
for (size_t i = 0; i < resultsOpposite.size(); i++) {
if (!IsAnalogStickKey(resultsOpposite[i]))
pspKey(resultsOpposite[i], KEY_UP);
}
}
}
}