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Refactor input subsystem

This commit is contained in:
wwylele 2016-05-12 13:09:36 +03:00
parent 6f6af6928f
commit 03631f9b8f
12 changed files with 277 additions and 73 deletions
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5
src/citra/config.cpp
View File

@ -44,12 +44,15 @@ bool Config::LoadINI(const std::string& default_contents, bool retry) {
}
static const std::array<int, Settings::NativeInput::NUM_INPUTS> defaults = {
// directly mapped keys
SDL_SCANCODE_A, SDL_SCANCODE_S, SDL_SCANCODE_Z, SDL_SCANCODE_X,
SDL_SCANCODE_Q, SDL_SCANCODE_W, SDL_SCANCODE_1, SDL_SCANCODE_2,
SDL_SCANCODE_M, SDL_SCANCODE_N, SDL_SCANCODE_B,
SDL_SCANCODE_T, SDL_SCANCODE_G, SDL_SCANCODE_F, SDL_SCANCODE_H,
SDL_SCANCODE_I, SDL_SCANCODE_K, SDL_SCANCODE_J, SDL_SCANCODE_L,
// indirectly mapped keys
SDL_SCANCODE_UP, SDL_SCANCODE_DOWN, SDL_SCANCODE_LEFT, SDL_SCANCODE_RIGHT,
SDL_SCANCODE_I, SDL_SCANCODE_K, SDL_SCANCODE_J, SDL_SCANCODE_L
};
void Config::ReadValues() {

8
src/citra/default_ini.h
View File

@ -23,14 +23,14 @@ pad_l =
pad_r =
pad_zl =
pad_zr =
pad_sup =
pad_sdown =
pad_sleft =
pad_sright =
pad_cup =
pad_cdown =
pad_cleft =
pad_cright =
pad_circle_up =
pad_circle_down =
pad_circle_left =
pad_circle_right =
[Core]
# The applied frameskip amount. Must be a power of two.

7
src/citra/emu_window/emu_window_sdl2.cpp
View File

@ -40,9 +40,9 @@ void EmuWindow_SDL2::OnMouseButton(u32 button, u8 state, s32 x, s32 y) {
void EmuWindow_SDL2::OnKeyEvent(int key, u8 state) {
if (state == SDL_PRESSED) {
KeyPressed({ key, keyboard_id });
KeyMap::PressKey(*this, { key, keyboard_id });
} else if (state == SDL_RELEASED) {
KeyReleased({ key, keyboard_id });
KeyMap::ReleaseKey(*this, { key, keyboard_id });
}
}
@ -168,8 +168,9 @@ void EmuWindow_SDL2::DoneCurrent() {
}
void EmuWindow_SDL2::ReloadSetKeymaps() {
KeyMap::ClearKeyMapping(keyboard_id);
for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
KeyMap::SetKeyMapping({ Settings::values.input_mappings[Settings::NativeInput::All[i]], keyboard_id }, Service::HID::pad_mapping[i]);
KeyMap::SetKeyMapping({ Settings::values.input_mappings[Settings::NativeInput::All[i]], keyboard_id }, KeyMap::mapping_targets[i]);
}
}

7
src/citra_qt/bootmanager.cpp
View File

@ -235,12 +235,12 @@ void GRenderWindow::closeEvent(QCloseEvent* event) {
void GRenderWindow::keyPressEvent(QKeyEvent* event)
{
this->KeyPressed({event->key(), keyboard_id});
KeyMap::PressKey(*this, { event->key(), keyboard_id });
}
void GRenderWindow::keyReleaseEvent(QKeyEvent* event)
{
this->KeyReleased({event->key(), keyboard_id});
KeyMap::ReleaseKey(*this, { event->key(), keyboard_id });
}
void GRenderWindow::mousePressEvent(QMouseEvent *event)
@ -270,8 +270,9 @@ void GRenderWindow::mouseReleaseEvent(QMouseEvent *event)
void GRenderWindow::ReloadSetKeymaps()
{
KeyMap::ClearKeyMapping(keyboard_id);
for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
KeyMap::SetKeyMapping({Settings::values.input_mappings[Settings::NativeInput::All[i]], keyboard_id}, Service::HID::pad_mapping[i]);
KeyMap::SetKeyMapping({ Settings::values.input_mappings[Settings::NativeInput::All[i]], keyboard_id }, KeyMap::mapping_targets[i]);
}
}

5
src/citra_qt/config.cpp
View File

@ -22,12 +22,15 @@ Config::Config() {
}
static const std::array<QVariant, Settings::NativeInput::NUM_INPUTS> defaults = {
// directly mapped keys
Qt::Key_A, Qt::Key_S, Qt::Key_Z, Qt::Key_X,
Qt::Key_Q, Qt::Key_W, Qt::Key_1, Qt::Key_2,
Qt::Key_M, Qt::Key_N, Qt::Key_B,
Qt::Key_T, Qt::Key_G, Qt::Key_F, Qt::Key_H,
Qt::Key_I, Qt::Key_K, Qt::Key_J, Qt::Key_L,
// indirectly mapped keys
Qt::Key_Up, Qt::Key_Down, Qt::Key_Left, Qt::Key_Right,
Qt::Key_I, Qt::Key_K, Qt::Key_J, Qt::Key_L
};
void Config::ReadValues() {

24
src/common/emu_window.cpp
View File

@ -11,12 +11,28 @@
#include "emu_window.h"
#include "video_core/video_core.h"
void EmuWindow::KeyPressed(KeyMap::HostDeviceKey key) {
pad_state.hex |= KeyMap::GetPadKey(key).hex;
void EmuWindow::ButtonPressed(Service::HID::PadState pad) {
pad_state.hex |= pad.hex;
}
void EmuWindow::KeyReleased(KeyMap::HostDeviceKey key) {
pad_state.hex &= ~KeyMap::GetPadKey(key).hex;
void EmuWindow::ButtonReleased(Service::HID::PadState pad) {
pad_state.hex &= ~pad.hex;
}
void EmuWindow::CirclePadUpdated(float x, float y) {
constexpr int MAX_CIRCLEPAD_POS = 0x9C; // Max value for a circle pad position
// Make sure the coordinates are in the unit circle,
// otherwise normalize it.
float r = x * x + y * y;
if (r > 1) {
r = std::sqrt(r);
x /= r;
y /= r;
}
circle_pad_x = static_cast<s16>(x * MAX_CIRCLEPAD_POS);
circle_pad_y = static_cast<s16>(y * MAX_CIRCLEPAD_POS);
}
/**

46
src/common/emu_window.h
View File

@ -12,10 +12,6 @@
#include "core/hle/service/hid/hid.h"
namespace KeyMap {
struct HostDeviceKey;
}
/**
* Abstraction class used to provide an interface between emulation code and the frontend
* (e.g. SDL, QGLWidget, GLFW, etc...).
@ -76,11 +72,27 @@ public:
virtual void ReloadSetKeymaps() = 0;
/// Signals a key press action to the HID module
void KeyPressed(KeyMap::HostDeviceKey key);
/**
* Signals a button press action to the HID module.
* @param pad_state indicates which button to press
* @note only handle real buttons (A/B/X/Y/...), excluding analog input like circle pad.
*/
void ButtonPressed(Service::HID::PadState pad_state);
/// Signals a key release action to the HID module
void KeyReleased(KeyMap::HostDeviceKey key);
/**
* Signals a button release action to the HID module.
* @param pad_state indicates which button to press
* @note only handle real buttons (A/B/X/Y/...), excluding analog input like circle pad.
*/
void ButtonReleased(Service::HID::PadState pad_state);
/**
* Signals a circle pad change action to the HID module.
* @param x new x-coordinate of the circle pad, in the range [-1.0, 1.0]
* @param y new y-coordinate of the circle pad, in the range [-1.0, 1.0]
* @note the coordinates will be normalized if the radius is larger than 1
*/
void CirclePadUpdated(float x, float y);
/**
* Signal that a touch pressed event has occurred (e.g. mouse click pressed)
@ -100,8 +112,9 @@ public:
void TouchMoved(unsigned framebuffer_x, unsigned framebuffer_y);
/**
* Gets the current pad state (which buttons are pressed and the circle pad direction).
* Gets the current pad state (which buttons are pressed).
* @note This should be called by the core emu thread to get a state set by the window thread.
* @note This doesn't include analog input like circle pad direction
* @todo Fix this function to be thread-safe.
* @return PadState object indicating the current pad state
*/
@ -109,6 +122,16 @@ public:
return pad_state;
}
/**
* Gets the current cirle pad state.
* @note This should be called by the core emu thread to get a state set by the window thread.
* @todo Fix this function to be thread-safe.
* @return std::tuple of (x, y), where `x` and `y` are the circle pad coordinates
*/
std::tuple<s16, s16> GetCirclePadState() const {
return std::make_tuple(circle_pad_x, circle_pad_y);
}
/**
* Gets the current touch screen state (touch X/Y coordinates and whether or not it is pressed).
* @note This should be called by the core emu thread to get a state set by the window thread.
@ -200,6 +223,8 @@ protected:
pad_state.hex = 0;
touch_x = 0;
touch_y = 0;
circle_pad_x = 0;
circle_pad_y = 0;
touch_pressed = false;
}
virtual ~EmuWindow() {}
@ -260,6 +285,9 @@ private:
u16 touch_x; ///< Touchpad X-position in native 3DS pixel coordinates (0-320)
u16 touch_y; ///< Touchpad Y-position in native 3DS pixel coordinates (0-240)
s16 circle_pad_x; ///< Circle pad X-position in native 3DS pixel coordinates (-156 - 156)
s16 circle_pad_y; ///< Circle pad Y-position in native 3DS pixel coordinates (-156 - 156)
/**
* Clip the provided coordinates to be inside the touchscreen area.
*/

112
src/common/key_map.cpp
View File

@ -2,24 +2,124 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "key_map.h"
#include <map>
#include "common/emu_window.h"
#include "common/key_map.h"
namespace KeyMap {
static std::map<HostDeviceKey, Service::HID::PadState> key_map;
// TODO (wwylele): currently we treat c-stick as four direction buttons
// and map it directly to EmuWindow::ButtonPressed.
// It should go the analog input way like circle pad does.
const std::array<KeyTarget, Settings::NativeInput::NUM_INPUTS> mapping_targets = {{
Service::HID::PAD_A, Service::HID::PAD_B, Service::HID::PAD_X, Service::HID::PAD_Y,
Service::HID::PAD_L, Service::HID::PAD_R, Service::HID::PAD_ZL, Service::HID::PAD_ZR,
Service::HID::PAD_START, Service::HID::PAD_SELECT, Service::HID::PAD_NONE,
Service::HID::PAD_UP, Service::HID::PAD_DOWN, Service::HID::PAD_LEFT, Service::HID::PAD_RIGHT,
Service::HID::PAD_C_UP, Service::HID::PAD_C_DOWN, Service::HID::PAD_C_LEFT, Service::HID::PAD_C_RIGHT,
IndirectTarget::CIRCLE_PAD_UP,
IndirectTarget::CIRCLE_PAD_DOWN,
IndirectTarget::CIRCLE_PAD_LEFT,
IndirectTarget::CIRCLE_PAD_RIGHT,
}};
static std::map<HostDeviceKey, KeyTarget> key_map;
static int next_device_id = 0;
static bool circle_pad_up = false, circle_pad_down = false, circle_pad_left = false, circle_pad_right = false;
static void UpdateCirclePad(EmuWindow& emu_window) {
constexpr float SQRT_HALF = 0.707106781;
int x = 0, y = 0;
if (circle_pad_right)
++x;
if (circle_pad_left)
--x;
if (circle_pad_up)
++y;
if (circle_pad_down)
--y;
// TODO: apply modifier here
emu_window.CirclePadUpdated(x * (y == 0 ? 1.0 : SQRT_HALF), y * (x == 0 ? 1.0 : SQRT_HALF));
}
int NewDeviceId() {
return next_device_id++;
}
void SetKeyMapping(HostDeviceKey key, Service::HID::PadState padState) {
key_map[key].hex = padState.hex;
void SetKeyMapping(HostDeviceKey key, KeyTarget target) {
key_map[key] = target;
}
Service::HID::PadState GetPadKey(HostDeviceKey key) {
return key_map[key];
void ClearKeyMapping(int device_id) {
auto iter = key_map.begin();
while (iter != key_map.end()) {
if (iter->first.device_id == device_id)
key_map.erase(iter++);
else
++iter;
}
}
void PressKey(EmuWindow& emu_window, HostDeviceKey key) {
auto target = key_map.find(key);
if (target == key_map.end())
return;
if (target->second.direct) {
emu_window.ButtonPressed({{target->second.target.direct_target_hex}});
} else {
switch (target->second.target.indirect_target) {
case IndirectTarget::CIRCLE_PAD_UP:
circle_pad_up = true;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_DOWN:
circle_pad_down = true;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_LEFT:
circle_pad_left = true;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_RIGHT:
circle_pad_right = true;
UpdateCirclePad(emu_window);
break;
}
}
}
void ReleaseKey(EmuWindow& emu_window,HostDeviceKey key) {
auto target = key_map.find(key);
if (target == key_map.end())
return;
if (target->second.direct) {
emu_window.ButtonReleased({{target->second.target.direct_target_hex}});
} else {
switch (target->second.target.indirect_target) {
case IndirectTarget::CIRCLE_PAD_UP:
circle_pad_up = false;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_DOWN:
circle_pad_down = false;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_LEFT:
circle_pad_left = false;
UpdateCirclePad(emu_window);
break;
case IndirectTarget::CIRCLE_PAD_RIGHT:
circle_pad_right = false;
UpdateCirclePad(emu_window);
break;
}
}
}
}

51
src/common/key_map.h
View File

@ -4,11 +4,42 @@
#pragma once
#include <array>
#include <tuple>
#include "core/hle/service/hid/hid.h"
class EmuWindow;
namespace KeyMap {
enum class IndirectTarget {
CIRCLE_PAD_UP, CIRCLE_PAD_DOWN, CIRCLE_PAD_LEFT, CIRCLE_PAD_RIGHT,
};
/**
* Represents a key mapping target. It can be a PadState that represents 3DS real buttons,
* or an IndirectTarget.
*/
struct KeyTarget {
bool direct;
union {
u32 direct_target_hex;
IndirectTarget indirect_target;
} target;
KeyTarget() : direct(true) {
target.direct_target_hex = 0;
}
KeyTarget(Service::HID::PadState pad) : direct(true) {
target.direct_target_hex = pad.hex;
}
KeyTarget(IndirectTarget i) : direct(false) {
target.indirect_target = i;
}
};
/**
* Represents a key for a specific host device.
*/
@ -27,19 +58,31 @@ struct HostDeviceKey {
}
};
extern const std::array<KeyTarget, Settings::NativeInput::NUM_INPUTS> mapping_targets;
/**
* Generates a new device id, which uniquely identifies a host device within KeyMap.
*/
int NewDeviceId();
/**
* Maps a device-specific key to a PadState.
* Maps a device-specific key to a target (a PadState or an IndirectTarget).
*/
void SetKeyMapping(HostDeviceKey key, Service::HID::PadState padState);
void SetKeyMapping(HostDeviceKey key, KeyTarget target);
/**
* Gets the PadState that's mapped to the provided device-specific key.
* Clears all key mappings belonging to one device.
*/
Service::HID::PadState GetPadKey(HostDeviceKey key);
void ClearKeyMapping(int device_id);
/**
* Maps a key press actions and call the corresponding function in EmuWindow
*/
void PressKey(EmuWindow& emu_window, HostDeviceKey key);
/**
* Maps a key release actions and call the corresponding function in EmuWindow
*/
void ReleaseKey(EmuWindow& emu_window, HostDeviceKey key);
}

64
src/core/hle/service/hid/hid.cpp
View File

@ -19,8 +19,6 @@
namespace Service {
namespace HID {
static const int MAX_CIRCLEPAD_POS = 0x9C; ///< Max value for a circle pad position
// Handle to shared memory region designated to HID_User service
static Kernel::SharedPtr<Kernel::SharedMemory> shared_mem;
@ -39,38 +37,48 @@ static u32 next_gyroscope_index;
static int enable_accelerometer_count = 0; // positive means enabled
static int enable_gyroscope_count = 0; // positive means enabled
const std::array<Service::HID::PadState, Settings::NativeInput::NUM_INPUTS> pad_mapping = {{
Service::HID::PAD_A, Service::HID::PAD_B, Service::HID::PAD_X, Service::HID::PAD_Y,
Service::HID::PAD_L, Service::HID::PAD_R, Service::HID::PAD_ZL, Service::HID::PAD_ZR,
Service::HID::PAD_START, Service::HID::PAD_SELECT, Service::HID::PAD_NONE,
Service::HID::PAD_UP, Service::HID::PAD_DOWN, Service::HID::PAD_LEFT, Service::HID::PAD_RIGHT,
Service::HID::PAD_CIRCLE_UP, Service::HID::PAD_CIRCLE_DOWN, Service::HID::PAD_CIRCLE_LEFT, Service::HID::PAD_CIRCLE_RIGHT,
Service::HID::PAD_C_UP, Service::HID::PAD_C_DOWN, Service::HID::PAD_C_LEFT, Service::HID::PAD_C_RIGHT
}};
static PadState GetCirclePadDirectionState(s16 circle_pad_x, s16 circle_pad_y) {
constexpr float TAN30 = 0.577350269, TAN60 = 1 / TAN30; // 30 degree and 60 degree are angular thresholds for directions
constexpr int CIRCLE_PAD_THRESHOLD_SQUARE = 40 * 40; // a circle pad radius greater than 40 will trigger circle pad direction
PadState state;
state.hex = 0;
if (circle_pad_x * circle_pad_x + circle_pad_y * circle_pad_y > CIRCLE_PAD_THRESHOLD_SQUARE) {
float t = std::abs(static_cast<float>(circle_pad_y) / circle_pad_x);
// TODO(peachum):
// Add a method for setting analog input from joystick device for the circle Pad.
//
// This method should:
// * Be called after both PadButton<Press, Release>().
// * Be called before PadUpdateComplete()
// * Set current PadEntry.circle_pad_<axis> using analog data
// * Set PadData.raw_circle_pad_data
// * Set PadData.current_state.circle_right = 1 if current PadEntry.circle_pad_x >= 41
// * Set PadData.current_state.circle_up = 1 if current PadEntry.circle_pad_y >= 41
// * Set PadData.current_state.circle_left = 1 if current PadEntry.circle_pad_x <= -41
// * Set PadData.current_state.circle_right = 1 if current PadEntry.circle_pad_y <= -41
if (circle_pad_x != 0 && t < TAN60) {
if (circle_pad_x > 0)
state.circle_right.Assign(1);
else
state.circle_left.Assign(1);
}
if (circle_pad_x == 0 || t > TAN30) {
if (circle_pad_y > 0)
state.circle_up.Assign(1);
else
state.circle_down.Assign(1);
}
}
return state;
}
void Update() {
SharedMem* mem = reinterpret_cast<SharedMem*>(shared_mem->GetPointer());
const PadState state = VideoCore::g_emu_window->GetPadState();
if (mem == nullptr) {
LOG_DEBUG(Service_HID, "Cannot update HID prior to mapping shared memory!");
return;
}
PadState state = VideoCore::g_emu_window->GetPadState();
// Get current circle pad positon and update circle pad direction
s16 circle_pad_x, circle_pad_y;
std::tie(circle_pad_x, circle_pad_y) = VideoCore::g_emu_window->GetCirclePadState();
state.hex |= GetCirclePadDirectionState(circle_pad_x, circle_pad_y).hex;
mem->pad.current_state.hex = state.hex;
mem->pad.index = next_pad_index;
next_pad_index = (next_pad_index + 1) % mem->pad.entries.size();
@ -88,13 +96,9 @@ void Update() {
// Update entry properties
pad_entry.current_state.hex = state.hex;
pad_entry.delta_additions.hex = changed.hex & state.hex;
pad_entry.delta_removals.hex = changed.hex & old_state.hex;;
// Set circle Pad
pad_entry.circle_pad_x = state.circle_left ? -MAX_CIRCLEPAD_POS :
state.circle_right ? MAX_CIRCLEPAD_POS : 0x0;
pad_entry.circle_pad_y = state.circle_down ? -MAX_CIRCLEPAD_POS :
state.circle_up ? MAX_CIRCLEPAD_POS : 0x0;
pad_entry.delta_removals.hex = changed.hex & old_state.hex;
pad_entry.circle_pad_x = circle_pad_x;
pad_entry.circle_pad_y = circle_pad_y;
// If we just updated index 0, provide a new timestamp
if (mem->pad.index == 0) {

3
src/core/hle/service/hid/hid.h
View File

@ -215,9 +215,6 @@ const PadState PAD_CIRCLE_LEFT = {{1u << 29}};
const PadState PAD_CIRCLE_UP = {{1u << 30}};
const PadState PAD_CIRCLE_DOWN = {{1u << 31}};
extern const std::array<Service::HID::PadState, Settings::NativeInput::NUM_INPUTS> pad_mapping;
/**
* HID::GetIPCHandles service function
* Inputs:

18
src/core/settings.h
View File

@ -13,29 +13,37 @@ namespace Settings {
namespace NativeInput {
enum Values {
// directly mapped keys
A, B, X, Y,
L, R, ZL, ZR,
START, SELECT, HOME,
DUP, DDOWN, DLEFT, DRIGHT,
SUP, SDOWN, SLEFT, SRIGHT,
CUP, CDOWN, CLEFT, CRIGHT,
// indirectly mapped keys
CIRCLE_UP, CIRCLE_DOWN, CIRCLE_LEFT, CIRCLE_RIGHT,
NUM_INPUTS
};
static const std::array<const char*, NUM_INPUTS> Mapping = {{
// directly mapped keys
"pad_a", "pad_b", "pad_x", "pad_y",
"pad_l", "pad_r", "pad_zl", "pad_zr",
"pad_start", "pad_select", "pad_home",
"pad_dup", "pad_ddown", "pad_dleft", "pad_dright",
"pad_sup", "pad_sdown", "pad_sleft", "pad_sright",
"pad_cup", "pad_cdown", "pad_cleft", "pad_cright"
"pad_cup", "pad_cdown", "pad_cleft", "pad_cright",
// indirectly mapped keys
"pad_circle_up", "pad_circle_down", "pad_circle_left", "pad_circle_right"
}};
static const std::array<Values, NUM_INPUTS> All = {{
A, B, X, Y,
L, R, ZL, ZR,
START, SELECT, HOME,
DUP, DDOWN, DLEFT, DRIGHT,
SUP, SDOWN, SLEFT, SRIGHT,
CUP, CDOWN, CLEFT, CRIGHT
CUP, CDOWN, CLEFT, CRIGHT,
CIRCLE_UP, CIRCLE_DOWN, CIRCLE_LEFT, CIRCLE_RIGHT,
}};
}