140 lines
4.3 KiB
C++
140 lines
4.3 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <map>
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#include "common/emu_window.h"
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#include "common/key_map.h"
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namespace KeyMap {
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// TODO (wwylele): currently we treat c-stick as four direction buttons
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// and map it directly to EmuWindow::ButtonPressed.
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// It should go the analog input way like circle pad does.
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const std::array<KeyTarget, Settings::NativeInput::NUM_INPUTS> mapping_targets = {{
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Service::HID::PAD_A, Service::HID::PAD_B, Service::HID::PAD_X, Service::HID::PAD_Y,
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Service::HID::PAD_L, Service::HID::PAD_R, Service::HID::PAD_ZL, Service::HID::PAD_ZR,
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Service::HID::PAD_START, Service::HID::PAD_SELECT, Service::HID::PAD_NONE,
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Service::HID::PAD_UP, Service::HID::PAD_DOWN, Service::HID::PAD_LEFT, Service::HID::PAD_RIGHT,
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Service::HID::PAD_C_UP, Service::HID::PAD_C_DOWN, Service::HID::PAD_C_LEFT, Service::HID::PAD_C_RIGHT,
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IndirectTarget::CirclePadUp,
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IndirectTarget::CirclePadDown,
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IndirectTarget::CirclePadLeft,
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IndirectTarget::CirclePadRight,
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IndirectTarget::CirclePadModifier,
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}};
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static std::map<HostDeviceKey, KeyTarget> key_map;
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static int next_device_id = 0;
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static bool circle_pad_up = false;
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static bool circle_pad_down = false;
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static bool circle_pad_left = false;
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static bool circle_pad_right = false;
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static bool circle_pad_modifier = false;
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static void UpdateCirclePad(EmuWindow& emu_window) {
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constexpr float SQRT_HALF = 0.707106781;
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int x = 0, y = 0;
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if (circle_pad_right)
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++x;
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if (circle_pad_left)
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--x;
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if (circle_pad_up)
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++y;
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if (circle_pad_down)
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--y;
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float modifier = circle_pad_modifier ? Settings::values.pad_circle_modifier_scale : 1.0;
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emu_window.CirclePadUpdated(x * modifier * (y == 0 ? 1.0 : SQRT_HALF), y * modifier * (x == 0 ? 1.0 : SQRT_HALF));
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}
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int NewDeviceId() {
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return next_device_id++;
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}
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void SetKeyMapping(HostDeviceKey key, KeyTarget target) {
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key_map[key] = target;
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}
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void ClearKeyMapping(int device_id) {
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auto iter = key_map.begin();
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while (iter != key_map.end()) {
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if (iter->first.device_id == device_id)
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key_map.erase(iter++);
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else
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++iter;
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}
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}
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void PressKey(EmuWindow& emu_window, HostDeviceKey key) {
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auto target = key_map.find(key);
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if (target == key_map.end())
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return;
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if (target->second.direct) {
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emu_window.ButtonPressed({{target->second.target.direct_target_hex}});
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} else {
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switch (target->second.target.indirect_target) {
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case IndirectTarget::CirclePadUp:
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circle_pad_up = true;
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UpdateCirclePad(emu_window);
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break;
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case IndirectTarget::CirclePadDown:
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circle_pad_down = true;
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UpdateCirclePad(emu_window);
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break;
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case IndirectTarget::CirclePadLeft:
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circle_pad_left = true;
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UpdateCirclePad(emu_window);
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break;
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case IndirectTarget::CirclePadRight:
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circle_pad_right = true;
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UpdateCirclePad(emu_window);
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break;
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case IndirectTarget::CirclePadModifier:
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circle_pad_modifier = true;
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UpdateCirclePad(emu_window);
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break;
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}
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}
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}
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void ReleaseKey(EmuWindow& emu_window,HostDeviceKey key) {
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auto target = key_map.find(key);
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if (target == key_map.end())
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return;
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if (target->second.direct) {
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emu_window.ButtonReleased({{target->second.target.direct_target_hex}});
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} else {
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switch (target->second.target.indirect_target) {
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case IndirectTarget::CirclePadUp:
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circle_pad_up = false;
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UpdateCirclePad(emu_window);
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break;
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case IndirectTarget::CirclePadDown:
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circle_pad_down = false;
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UpdateCirclePad(emu_window);
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break;
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case IndirectTarget::CirclePadLeft:
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circle_pad_left = false;
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UpdateCirclePad(emu_window);
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break;
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case IndirectTarget::CirclePadRight:
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circle_pad_right = false;
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UpdateCirclePad(emu_window);
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break;
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case IndirectTarget::CirclePadModifier:
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circle_pad_modifier = false;
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UpdateCirclePad(emu_window);
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break;
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}
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}
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}
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}
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