mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-11-24 05:49:58 +00:00
448 lines
13 KiB
C++
448 lines
13 KiB
C++
#include <algorithm>
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#include "Common/Math/math_util.h"
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#include "Common/TimeUtil.h"
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#include "Common/Log.h"
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#include "Core/KeyMap.h"
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#include "Core/ControlMapper.h"
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#include "Core/Config.h"
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#include "Core/CoreParameter.h"
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#include "Core/System.h"
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static float MapAxisValue(float v) {
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const float deadzone = g_Config.fAnalogDeadzone;
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const float invDeadzone = g_Config.fAnalogInverseDeadzone;
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const float sensitivity = g_Config.fAnalogSensitivity;
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const float sign = v >= 0.0f ? 1.0f : -1.0f;
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return sign * Clamp(invDeadzone + (abs(v) - deadzone) / (1.0f - deadzone) * (sensitivity - invDeadzone), 0.0f, 1.0f);
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}
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void ConvertAnalogStick(float &x, float &y) {
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const bool isCircular = g_Config.bAnalogIsCircular;
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float norm = std::max(fabsf(x), fabsf(y));
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if (norm == 0.0f)
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return;
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if (isCircular) {
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float newNorm = sqrtf(x * x + y * y);
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float factor = newNorm / norm;
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x *= factor;
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y *= factor;
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norm = newNorm;
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}
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float mappedNorm = MapAxisValue(norm);
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x = Clamp(x / norm * mappedNorm, -1.0f, 1.0f);
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y = Clamp(y / norm * mappedNorm, -1.0f, 1.0f);
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}
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void ControlMapper::SetCallbacks(std::function<void(int)> onVKeyDown, std::function<void(int)> onVKeyUp, std::function<void(int, float, float)> setPSPAnalog) {
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onVKeyDown_ = onVKeyDown;
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onVKeyUp_ = onVKeyUp;
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setPSPAnalog_ = setPSPAnalog;
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}
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void ControlMapper::SetRawCallback(std::function<void(int, float, float)> setRawAnalog) {
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setRawAnalog_ = setRawAnalog;
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}
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void ControlMapper::SetPSPAxis(char axis, float value, int stick) {
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static float history[2][2] = {};
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int axisId = axis == 'X' ? 0 : 1;
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history[stick][axisId] = value;
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float x = history[stick][0];
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float y = history[stick][1];
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if (setRawAnalog_) {
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setRawAnalog_(stick, x, y);
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}
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ConvertAnalogStick(x, y);
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setPSPAnalog_(stick, x, y);
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}
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bool ControlMapper::Key(const KeyInput &key, bool *pauseTrigger) {
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std::vector<int> pspKeys;
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KeyMap::KeyToPspButton(key.deviceId, key.keyCode, &pspKeys);
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if (pspKeys.size() && (key.flags & KEY_IS_REPEAT)) {
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// Claim that we handled this. Prevents volume key repeats from popping up the volume control on Android.
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return true;
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}
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for (size_t i = 0; i < pspKeys.size(); i++) {
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pspKey(pspKeys[i], key.flags);
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}
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DEBUG_LOG(SYSTEM, "Key: %d DeviceId: %d", key.keyCode, key.deviceId);
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if (!pspKeys.size() || key.deviceId == DEVICE_ID_DEFAULT) {
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if ((key.flags & KEY_DOWN) && key.keyCode == NKCODE_BACK) {
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*pauseTrigger = true;
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return true;
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}
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}
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return pspKeys.size() > 0;
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}
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bool ControlMapper::Axis(const AxisInput &axis) {
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if (axis.value > 0) {
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processAxis(axis, 1);
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return true;
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} else if (axis.value < 0) {
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processAxis(axis, -1);
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return true;
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} else if (axis.value == 0) {
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// Both directions! Prevents sticking for digital input devices that are axises (like HAT)
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processAxis(axis, 1);
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processAxis(axis, -1);
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return true;
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}
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return false;
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}
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void ControlMapper::Update() {
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if (autoRotatingAnalogCW_) {
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const double now = time_now_d();
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// Clamp to a square
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float x = std::min(1.0f, std::max(-1.0f, 1.42f * (float)cos(now * -g_Config.fAnalogAutoRotSpeed)));
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float y = std::min(1.0f, std::max(-1.0f, 1.42f * (float)sin(now * -g_Config.fAnalogAutoRotSpeed)));
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setPSPAnalog_(0, x, y);
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} else if (autoRotatingAnalogCCW_) {
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const double now = time_now_d();
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float x = std::min(1.0f, std::max(-1.0f, 1.42f * (float)cos(now * g_Config.fAnalogAutoRotSpeed)));
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float y = std::min(1.0f, std::max(-1.0f, 1.42f * (float)sin(now * g_Config.fAnalogAutoRotSpeed)));
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setPSPAnalog_(0, x, y);
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}
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}
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inline bool IsAnalogStickKey(int key) {
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switch (key) {
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case VIRTKEY_AXIS_X_MIN:
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case VIRTKEY_AXIS_X_MAX:
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case VIRTKEY_AXIS_Y_MIN:
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case VIRTKEY_AXIS_Y_MAX:
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case VIRTKEY_AXIS_RIGHT_X_MIN:
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case VIRTKEY_AXIS_RIGHT_X_MAX:
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case VIRTKEY_AXIS_RIGHT_Y_MIN:
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case VIRTKEY_AXIS_RIGHT_Y_MAX:
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return true;
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default:
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return false;
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}
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}
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static int RotatePSPKeyCode(int x) {
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switch (x) {
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case CTRL_UP: return CTRL_RIGHT;
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case CTRL_RIGHT: return CTRL_DOWN;
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case CTRL_DOWN: return CTRL_LEFT;
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case CTRL_LEFT: return CTRL_UP;
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default:
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return x;
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}
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}
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void ControlMapper::setVKeyAnalog(char axis, int stick, int virtualKeyMin, int virtualKeyMax, bool setZero) {
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// The down events can repeat, so just trust the virtKeys array.
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bool minDown = virtKeys[virtualKeyMin - VIRTKEY_FIRST];
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bool maxDown = virtKeys[virtualKeyMax - VIRTKEY_FIRST];
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const float scale = virtKeys[VIRTKEY_ANALOG_LIGHTLY - VIRTKEY_FIRST] ? g_Config.fAnalogLimiterDeadzone : 1.0f;
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float value = 0.0f;
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if (minDown)
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value -= scale;
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if (maxDown)
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value += scale;
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if (setZero || minDown || maxDown) {
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SetPSPAxis(axis, value, stick);
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}
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}
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void ControlMapper::pspKey(int pspKeyCode, int flags) {
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int rotations = 0;
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switch (g_Config.iInternalScreenRotation) {
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case ROTATION_LOCKED_HORIZONTAL180:
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rotations = 2;
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break;
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case ROTATION_LOCKED_VERTICAL:
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rotations = 1;
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break;
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case ROTATION_LOCKED_VERTICAL180:
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rotations = 3;
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break;
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}
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for (int i = 0; i < rotations; i++) {
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pspKeyCode = RotatePSPKeyCode(pspKeyCode);
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}
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if (pspKeyCode >= VIRTKEY_FIRST) {
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int vk = pspKeyCode - VIRTKEY_FIRST;
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if (flags & KEY_DOWN) {
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virtKeys[vk] = true;
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onVKeyDown(pspKeyCode);
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}
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if (flags & KEY_UP) {
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virtKeys[vk] = false;
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onVKeyUp(pspKeyCode);
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}
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} else {
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// INFO_LOG(SYSTEM, "pspKey %i %i", pspKeyCode, flags);
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if (flags & KEY_DOWN)
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__CtrlButtonDown(pspKeyCode);
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if (flags & KEY_UP)
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__CtrlButtonUp(pspKeyCode);
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}
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}
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void ControlMapper::onVKeyDown(int vkey) {
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switch (vkey) {
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case VIRTKEY_AXIS_X_MIN:
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case VIRTKEY_AXIS_X_MAX:
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setVKeyAnalog('X', CTRL_STICK_LEFT, VIRTKEY_AXIS_X_MIN, VIRTKEY_AXIS_X_MAX);
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break;
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case VIRTKEY_AXIS_Y_MIN:
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case VIRTKEY_AXIS_Y_MAX:
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setVKeyAnalog('Y', CTRL_STICK_LEFT, VIRTKEY_AXIS_Y_MIN, VIRTKEY_AXIS_Y_MAX);
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break;
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case VIRTKEY_AXIS_RIGHT_X_MIN:
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case VIRTKEY_AXIS_RIGHT_X_MAX:
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setVKeyAnalog('X', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_X_MIN, VIRTKEY_AXIS_RIGHT_X_MAX);
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break;
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case VIRTKEY_AXIS_RIGHT_Y_MIN:
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case VIRTKEY_AXIS_RIGHT_Y_MAX:
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setVKeyAnalog('Y', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_Y_MIN, VIRTKEY_AXIS_RIGHT_Y_MAX);
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break;
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case VIRTKEY_ANALOG_LIGHTLY:
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setVKeyAnalog('X', CTRL_STICK_LEFT, VIRTKEY_AXIS_X_MIN, VIRTKEY_AXIS_X_MAX, false);
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setVKeyAnalog('Y', CTRL_STICK_LEFT, VIRTKEY_AXIS_Y_MIN, VIRTKEY_AXIS_Y_MAX, false);
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setVKeyAnalog('X', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_X_MIN, VIRTKEY_AXIS_RIGHT_X_MAX, false);
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setVKeyAnalog('Y', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_Y_MIN, VIRTKEY_AXIS_RIGHT_Y_MAX, false);
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break;
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case VIRTKEY_ANALOG_ROTATE_CW:
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autoRotatingAnalogCW_ = true;
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autoRotatingAnalogCCW_ = false;
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break;
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case VIRTKEY_ANALOG_ROTATE_CCW:
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autoRotatingAnalogCW_ = false;
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autoRotatingAnalogCCW_ = true;
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break;
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default:
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if (onVKeyDown_)
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onVKeyDown_(vkey);
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break;
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}
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}
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void ControlMapper::onVKeyUp(int vkey) {
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switch (vkey) {
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case VIRTKEY_AXIS_X_MIN:
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case VIRTKEY_AXIS_X_MAX:
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setVKeyAnalog('X', CTRL_STICK_LEFT, VIRTKEY_AXIS_X_MIN, VIRTKEY_AXIS_X_MAX);
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break;
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case VIRTKEY_AXIS_Y_MIN:
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case VIRTKEY_AXIS_Y_MAX:
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setVKeyAnalog('Y', CTRL_STICK_LEFT, VIRTKEY_AXIS_Y_MIN, VIRTKEY_AXIS_Y_MAX);
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break;
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case VIRTKEY_AXIS_RIGHT_X_MIN:
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case VIRTKEY_AXIS_RIGHT_X_MAX:
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setVKeyAnalog('X', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_X_MIN, VIRTKEY_AXIS_RIGHT_X_MAX);
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break;
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case VIRTKEY_AXIS_RIGHT_Y_MIN:
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case VIRTKEY_AXIS_RIGHT_Y_MAX:
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setVKeyAnalog('Y', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_Y_MIN, VIRTKEY_AXIS_RIGHT_Y_MAX);
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break;
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case VIRTKEY_ANALOG_LIGHTLY:
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setVKeyAnalog('X', CTRL_STICK_LEFT, VIRTKEY_AXIS_X_MIN, VIRTKEY_AXIS_X_MAX, false);
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setVKeyAnalog('Y', CTRL_STICK_LEFT, VIRTKEY_AXIS_Y_MIN, VIRTKEY_AXIS_Y_MAX, false);
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setVKeyAnalog('X', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_X_MIN, VIRTKEY_AXIS_RIGHT_X_MAX, false);
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setVKeyAnalog('Y', CTRL_STICK_RIGHT, VIRTKEY_AXIS_RIGHT_Y_MIN, VIRTKEY_AXIS_RIGHT_Y_MAX, false);
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break;
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case VIRTKEY_ANALOG_ROTATE_CW:
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autoRotatingAnalogCW_ = false;
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__CtrlSetAnalogXY(0, 0.0f, 0.0f);
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break;
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case VIRTKEY_ANALOG_ROTATE_CCW:
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autoRotatingAnalogCCW_ = false;
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__CtrlSetAnalogXY(0, 0.0f, 0.0f);
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break;
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default:
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if (onVKeyUp_)
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onVKeyUp_(vkey);
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break;
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}
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}
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void ControlMapper::processAxis(const AxisInput &axis, int direction) {
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// Sanity check
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if (axis.axisId < 0 || axis.axisId >= JOYSTICK_AXIS_MAX) {
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return;
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}
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const float scale = virtKeys[VIRTKEY_ANALOG_LIGHTLY - VIRTKEY_FIRST] ? g_Config.fAnalogLimiterDeadzone : 1.0f;
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std::vector<int> results;
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KeyMap::AxisToPspButton(axis.deviceId, axis.axisId, direction, &results);
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for (int result : results) {
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float value = fabs(axis.value) * scale;
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switch (result) {
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case VIRTKEY_AXIS_X_MIN:
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SetPSPAxis('X', -value, CTRL_STICK_LEFT);
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break;
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case VIRTKEY_AXIS_X_MAX:
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SetPSPAxis('X', value, CTRL_STICK_LEFT);
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break;
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case VIRTKEY_AXIS_Y_MIN:
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SetPSPAxis('Y', -value, CTRL_STICK_LEFT);
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break;
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case VIRTKEY_AXIS_Y_MAX:
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SetPSPAxis('Y', value, CTRL_STICK_LEFT);
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break;
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case VIRTKEY_AXIS_RIGHT_X_MIN:
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SetPSPAxis('X', -value, CTRL_STICK_RIGHT);
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break;
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case VIRTKEY_AXIS_RIGHT_X_MAX:
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SetPSPAxis('X', value, CTRL_STICK_RIGHT);
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break;
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case VIRTKEY_AXIS_RIGHT_Y_MIN:
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SetPSPAxis('Y', -value, CTRL_STICK_RIGHT);
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break;
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case VIRTKEY_AXIS_RIGHT_Y_MAX:
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SetPSPAxis('Y', value, CTRL_STICK_RIGHT);
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break;
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case VIRTKEY_SPEED_ANALOG:
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ProcessAnalogSpeed(axis, false);
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break;
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}
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}
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std::vector<int> resultsOpposite;
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KeyMap::AxisToPspButton(axis.deviceId, axis.axisId, -direction, &resultsOpposite);
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for (int result : resultsOpposite) {
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if (result == VIRTKEY_SPEED_ANALOG)
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ProcessAnalogSpeed(axis, true);
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}
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int axisState = 0;
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float threshold = axis.deviceId == DEVICE_ID_MOUSE ? AXIS_BIND_THRESHOLD_MOUSE : AXIS_BIND_THRESHOLD;
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if (direction == 1 && axis.value >= threshold) {
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axisState = 1;
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} else if (direction == -1 && axis.value <= -threshold) {
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axisState = -1;
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} else {
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axisState = 0;
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}
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if (axisState != axisState_[axis.axisId]) {
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axisState_[axis.axisId] = axisState;
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if (axisState != 0) {
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for (size_t i = 0; i < results.size(); i++) {
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if (!IsAnalogStickKey(results[i]))
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pspKey(results[i], KEY_DOWN);
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}
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// Also unpress the other direction (unless both directions press the same key.)
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for (size_t i = 0; i < resultsOpposite.size(); i++) {
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if (!IsAnalogStickKey(resultsOpposite[i]) && std::find(results.begin(), results.end(), resultsOpposite[i]) == results.end())
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pspKey(resultsOpposite[i], KEY_UP);
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}
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} else if (axisState == 0) {
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// Release both directions, trying to deal with some erratic controllers that can cause it to stick.
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for (size_t i = 0; i < results.size(); i++) {
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if (!IsAnalogStickKey(results[i]))
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pspKey(results[i], KEY_UP);
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}
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for (size_t i = 0; i < resultsOpposite.size(); i++) {
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if (!IsAnalogStickKey(resultsOpposite[i]))
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pspKey(resultsOpposite[i], KEY_UP);
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}
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}
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}
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}
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void ControlMapper::ProcessAnalogSpeed(const AxisInput &axis, bool opposite) {
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static constexpr float DEADZONE_THRESHOLD = 0.15f;
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static constexpr float DEADZONE_SCALE = 1.0f / (1.0f - DEADZONE_THRESHOLD);
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FPSLimit &limitMode = PSP_CoreParameter().fpsLimit;
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// If we're using an alternate speed already, let that win.
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if (limitMode != FPSLimit::NORMAL && limitMode != FPSLimit::ANALOG)
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return;
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// Don't even try if the limit is invalid.
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if (g_Config.iAnalogFpsLimit <= 0)
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return;
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AnalogFpsMode mode = (AnalogFpsMode)g_Config.iAnalogFpsMode;
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float value = axis.value;
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if (mode == AnalogFpsMode::AUTO) {
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// TODO: Consider the pad name for better auto? KeyMap::PadName(axis.deviceId);
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switch (axis.axisId) {
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case JOYSTICK_AXIS_X:
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case JOYSTICK_AXIS_Y:
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case JOYSTICK_AXIS_Z:
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case JOYSTICK_AXIS_RX:
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case JOYSTICK_AXIS_RY:
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case JOYSTICK_AXIS_RZ:
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// These, at least on directinput, can be used for triggers that go from mapped to opposite.
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mode = AnalogFpsMode::MAPPED_DIR_TO_OPPOSITE_DIR;
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break;
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default:
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// Other axises probably don't go from negative to positive.
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mode = AnalogFpsMode::MAPPED_DIRECTION;
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break;
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}
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}
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// Okay, now let's map it as appropriate.
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if (mode == AnalogFpsMode::MAPPED_DIRECTION) {
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value = fabsf(value);
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// Clamp to 0 in this case if we're processing the opposite direction.
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if (opposite)
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value = 0.0f;
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} else if (mode == AnalogFpsMode::MAPPED_DIR_TO_OPPOSITE_DIR) {
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value = fabsf(value);
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if (opposite)
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value = -value;
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value = 0.5f - value * 0.5f;
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}
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// Apply a small deadzone (against the resting position.)
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value = std::max(0.0f, (value - DEADZONE_THRESHOLD) * DEADZONE_SCALE);
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// If target is above 60, value is how much to speed up over 60. Otherwise, it's how much slower.
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// So normalize the target.
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int target = g_Config.iAnalogFpsLimit - 60;
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PSP_CoreParameter().analogFpsLimit = 60 + (int)(target * value);
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// If we've reset back to normal, turn it off.
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limitMode = PSP_CoreParameter().analogFpsLimit == 60 ? FPSLimit::NORMAL : FPSLimit::ANALOG;
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}
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