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-rw-r--r--src/common/emu_window.cpp24
-rw-r--r--src/common/emu_window.h46
-rw-r--r--src/common/key_map.cpp126
-rw-r--r--src/common/key_map.h59
4 files changed, 232 insertions, 23 deletions
diff --git a/src/common/emu_window.cpp b/src/common/emu_window.cpp
index b2807354a..08270dd88 100644
--- a/src/common/emu_window.cpp
+++ b/src/common/emu_window.cpp
@@ -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);
}
/**
diff --git a/src/common/emu_window.h b/src/common/emu_window.h
index 7c3486dea..57e303b6d 100644
--- a/src/common/emu_window.h
+++ b/src/common/emu_window.h
@@ -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 handles real buttons (A/B/X/Y/...), excluding analog inputs like the circle pad.
+ */
+ void ButtonPressed(Service::HID::PadState pad_state);
+
+ /**
+ * Signals a button release action to the HID module.
+ * @param pad_state indicates which button to press
+ * @note only handles real buttons (A/B/X/Y/...), excluding analog inputs like the circle pad.
+ */
+ void ButtonReleased(Service::HID::PadState pad_state);
- /// Signals a key release action to the HID module
- void KeyReleased(KeyMap::HostDeviceKey key);
+ /**
+ * 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
*/
@@ -110,6 +123,16 @@ public:
}
/**
+ * Gets the current circle 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.
* @todo Fix this function to be thread-safe.
@@ -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.
*/
diff --git a/src/common/key_map.cpp b/src/common/key_map.cpp
index 844d5df68..ad311d66b 100644
--- a/src/common/key_map.cpp
+++ b/src/common/key_map.cpp
@@ -2,24 +2,138 @@
// 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::CirclePadUp,
+ IndirectTarget::CirclePadDown,
+ IndirectTarget::CirclePadLeft,
+ IndirectTarget::CirclePadRight,
+ IndirectTarget::CirclePadModifier,
+}};
+
+static std::map<HostDeviceKey, KeyTarget> key_map;
static int next_device_id = 0;
+static bool circle_pad_up = false;
+static bool circle_pad_down = false;
+static bool circle_pad_left = false;
+static bool circle_pad_right = false;
+static bool circle_pad_modifier = 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;
+
+ float modifier = circle_pad_modifier ? Settings::values.pad_circle_modifier_scale : 1.0;
+ emu_window.CirclePadUpdated(x * modifier * (y == 0 ? 1.0 : SQRT_HALF), y * modifier * (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;
+}
+
+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;
+ }
}
-Service::HID::PadState GetPadKey(HostDeviceKey key) {
- return key_map[key];
+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::CirclePadUp:
+ circle_pad_up = true;
+ UpdateCirclePad(emu_window);
+ break;
+ case IndirectTarget::CirclePadDown:
+ circle_pad_down = true;
+ UpdateCirclePad(emu_window);
+ break;
+ case IndirectTarget::CirclePadLeft:
+ circle_pad_left = true;
+ UpdateCirclePad(emu_window);
+ break;
+ case IndirectTarget::CirclePadRight:
+ circle_pad_right = true;
+ UpdateCirclePad(emu_window);
+ break;
+ case IndirectTarget::CirclePadModifier:
+ circle_pad_modifier = 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::CirclePadUp:
+ circle_pad_up = false;
+ UpdateCirclePad(emu_window);
+ break;
+ case IndirectTarget::CirclePadDown:
+ circle_pad_down = false;
+ UpdateCirclePad(emu_window);
+ break;
+ case IndirectTarget::CirclePadLeft:
+ circle_pad_left = false;
+ UpdateCirclePad(emu_window);
+ break;
+ case IndirectTarget::CirclePadRight:
+ circle_pad_right = false;
+ UpdateCirclePad(emu_window);
+ break;
+ case IndirectTarget::CirclePadModifier:
+ circle_pad_modifier = false;
+ UpdateCirclePad(emu_window);
+ break;
+ }
+ }
}
}
diff --git a/src/common/key_map.h b/src/common/key_map.h
index 68f7e2f99..b62f017c6 100644
--- a/src/common/key_map.h
+++ b/src/common/key_map.h
@@ -4,12 +4,51 @@
#pragma once
+#include <array>
#include <tuple>
#include "core/hle/service/hid/hid.h"
+class EmuWindow;
+
namespace KeyMap {
/**
+ * Represents key mapping targets that are not real 3DS buttons.
+ * They will be handled by KeyMap and translated to 3DS input.
+ */
+enum class IndirectTarget {
+ CirclePadUp,
+ CirclePadDown,
+ CirclePadLeft,
+ CirclePadRight,
+ CirclePadModifier,
+};
+
+/**
+ * Represents a key mapping target. It can be a PadState that represents real 3DS 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.
*/
struct HostDeviceKey {
@@ -27,19 +66,31 @@ 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, KeyTarget target);
+
+/**
+ * Clears all key mappings belonging to one device.
+ */
+void ClearKeyMapping(int device_id);
+
+/**
+ * Maps a key press action and call the corresponding function in EmuWindow
*/
-void SetKeyMapping(HostDeviceKey key, Service::HID::PadState padState);
+void PressKey(EmuWindow& emu_window, HostDeviceKey key);
/**
- * Gets the PadState that's mapped to the provided device-specific key.
+ * Maps a key release action and call the corresponding function in EmuWindow
*/
-Service::HID::PadState GetPadKey(HostDeviceKey key);
+void ReleaseKey(EmuWindow& emu_window, HostDeviceKey key);
}
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