From 4a94ec934ab1a2216f94e3fcc46f5dde1d6e2f02 Mon Sep 17 00:00:00 2001 From: Kevin Hartman Date: Wed, 3 Sep 2014 18:12:58 -0700 Subject: Initial HID PAD work, with GLFW only. --- src/citra/emu_window/emu_window_glfw.cpp | 39 ++++++++- src/common/CMakeLists.txt | 2 + src/common/emu_window.h | 19 +++++ src/common/key_map.cpp | 21 +++++ src/common/key_map.h | 35 ++++++++ src/core/hle/service/hid.cpp | 134 +++++++++++++++++++++++++++++-- src/core/hle/service/hid.h | 87 ++++++++++++++++---- 7 files changed, 310 insertions(+), 27 deletions(-) create mode 100644 src/common/key_map.cpp create mode 100644 src/common/key_map.h (limited to 'src') diff --git a/src/citra/emu_window/emu_window_glfw.cpp b/src/citra/emu_window/emu_window_glfw.cpp index 02f524e0..0a861cff 100644 --- a/src/citra/emu_window/emu_window_glfw.cpp +++ b/src/citra/emu_window/emu_window_glfw.cpp @@ -8,8 +8,35 @@ #include "citra/emu_window/emu_window_glfw.h" -static void OnKeyEvent(GLFWwindow* win, int key, int action) { - // TODO(bunnei): ImplementMe +static const KeyMap::DefaultKeyMapping default_key_map[] = { + { KeyMap::CitraKey(GLFW_KEY_A), HID_User::PAD_A }, + { KeyMap::CitraKey(GLFW_KEY_B), HID_User::PAD_B }, + { KeyMap::CitraKey(GLFW_KEY_BACKSLASH), HID_User::PAD_SELECT }, + { KeyMap::CitraKey(GLFW_KEY_ENTER), HID_User::PAD_START }, + { KeyMap::CitraKey(GLFW_KEY_RIGHT), HID_User::PAD_RIGHT }, + { KeyMap::CitraKey(GLFW_KEY_LEFT), HID_User::PAD_LEFT }, + { KeyMap::CitraKey(GLFW_KEY_UP), HID_User::PAD_UP }, + { KeyMap::CitraKey(GLFW_KEY_DOWN), HID_User::PAD_DOWN }, + { KeyMap::CitraKey(GLFW_KEY_R), HID_User::PAD_R }, + { KeyMap::CitraKey(GLFW_KEY_L), HID_User::PAD_L }, + { KeyMap::CitraKey(GLFW_KEY_X), HID_User::PAD_X }, + { KeyMap::CitraKey(GLFW_KEY_Y), HID_User::PAD_Y }, + { KeyMap::CitraKey(GLFW_KEY_H), HID_User::PAD_CIRCLE_RIGHT }, + { KeyMap::CitraKey(GLFW_KEY_F), HID_User::PAD_CIRCLE_LEFT }, + { KeyMap::CitraKey(GLFW_KEY_T), HID_User::PAD_CIRCLE_UP }, + { KeyMap::CitraKey(GLFW_KEY_G), HID_User::PAD_CIRCLE_DOWN }, +}; + + +static void OnKeyEvent(GLFWwindow* win, int key, int scancode, int action, int mods) { + if (action == GLFW_PRESS) { + EmuWindow::KeyPressed(KeyMap::CitraKey(key)); + } + + if (action == GLFW_RELEASE) { + EmuWindow::KeyReleased(KeyMap::CitraKey(key)); + } + HID_User::PADUpdateComplete(); } static void OnWindowSizeEvent(GLFWwindow* win, int width, int height) { @@ -20,6 +47,12 @@ static void OnWindowSizeEvent(GLFWwindow* win, int width, int height) { /// EmuWindow_GLFW constructor EmuWindow_GLFW::EmuWindow_GLFW() { + + // Set default key mappings + for (int i = 0; i < ARRAY_SIZE(default_key_map); i++) { + KeyMap::SetKeyMapping(default_key_map[i].key, default_key_map[i].state); + } + // Initialize the window if(glfwInit() != GL_TRUE) { printf("Failed to initialize GLFW! Exiting..."); @@ -45,7 +78,7 @@ EmuWindow_GLFW::EmuWindow_GLFW() { // Setup callbacks glfwSetWindowUserPointer(m_render_window, this); - //glfwSetKeyCallback(m_render_window, OnKeyEvent); + glfwSetKeyCallback(m_render_window, OnKeyEvent); //glfwSetWindowSizeCallback(m_render_window, OnWindowSizeEvent); DoneCurrent(); diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index 3a82f5b8..4ae34bea 100644 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -8,6 +8,7 @@ set(SRCS file_search.cpp file_util.cpp hash.cpp + key_map.cpp log_manager.cpp math_util.cpp mem_arena.cpp @@ -39,6 +40,7 @@ set(HEADERS file_search.h file_util.h hash.h + key_map.h linear_disk_cache.h log.h log_manager.h diff --git a/src/common/emu_window.h b/src/common/emu_window.h index 5e2c33d7..90fbd933 100644 --- a/src/common/emu_window.h +++ b/src/common/emu_window.h @@ -7,6 +7,9 @@ #include "common/common.h" #include "common/scm_rev.h" +#include "common/key_map.h" +#include "core/hle/service/hid.h" + // Abstraction class used to provide an interface between emulation code and the frontend (e.g. SDL, // QGLWidget, GLFW, etc...) class EmuWindow @@ -32,6 +35,22 @@ public: /// Releases (dunno if this is the "right" word) the GLFW context from the caller thread virtual void DoneCurrent() = 0; + static void KeyPressed(KeyMap::CitraKey key) { + HID_User::PADState mapped_key = KeyMap::Get3DSKey(key); + + if (mapped_key.hex != HID_User::PAD_NONE.hex) { + HID_User::PADButtonPress(mapped_key); + } + } + + static void KeyReleased(KeyMap::CitraKey key) { + HID_User::PADState mapped_key = KeyMap::Get3DSKey(key); + + if (mapped_key.hex != HID_User::PAD_NONE.hex) { + HID_User::PADButtonRelease(mapped_key); + } + } + Config GetConfig() const { return m_config; } diff --git a/src/common/key_map.cpp b/src/common/key_map.cpp new file mode 100644 index 00000000..5941a105 --- /dev/null +++ b/src/common/key_map.cpp @@ -0,0 +1,21 @@ +// Copyright 2013 Dolphin Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#include "key_map.h" +#include + + +namespace KeyMap { + +std::map g_key_map; + +void SetKeyMapping(CitraKey key, HID_User::PADState padState) { + g_key_map[key].hex = padState.hex; +} + +HID_User::PADState Get3DSKey(CitraKey key) { + return g_key_map[key]; +} + +} diff --git a/src/common/key_map.h b/src/common/key_map.h new file mode 100644 index 00000000..7e94df61 --- /dev/null +++ b/src/common/key_map.h @@ -0,0 +1,35 @@ +// Copyright 2013 Dolphin Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#pragma once + +#include "core/hle/service/hid.h" + +namespace KeyMap { + +class CitraKey { +public: + CitraKey() : keyCode(0) {} + CitraKey(int code) : keyCode(code) {} + + int keyCode; + + bool operator < (const CitraKey &other) const { + return keyCode < other.keyCode; + } + + bool operator == (const CitraKey &other) const { + return keyCode == other.keyCode; + } +}; + +struct DefaultKeyMapping { + KeyMap::CitraKey key; + HID_User::PADState state; +}; + +void SetKeyMapping(CitraKey key, HID_User::PADState padState); +HID_User::PADState Get3DSKey(CitraKey key); + +} diff --git a/src/core/hle/service/hid.cpp b/src/core/hle/service/hid.cpp index 6a4895c9..1ef39fce 100644 --- a/src/core/hle/service/hid.cpp +++ b/src/core/hle/service/hid.cpp @@ -16,6 +16,121 @@ namespace HID_User { Handle g_shared_mem = 0; ///< Handle to shared memory region designated to HID_User service +// Event handles +Handle g_event_pad_or_touch_1 = 0; +Handle g_event_pad_or_touch_2 = 0; +Handle g_event_accelerometer = 0; +Handle g_event_gyroscope = 0; +Handle g_event_debug_pad = 0; + +// Next PAD state update information +PADState g_next_state = {{0}}; +u32 g_next_index = 0; +s16 g_next_circle_x = 0; +s16 g_next_circle_y = 0; + +/** Gets a pointer to the PADData structure inside HID shared memory + */ +static inline PADData* GetPADData() { + if (0 == g_shared_mem) + return nullptr; + + return reinterpret_cast(Kernel::GetSharedMemoryPointer(g_shared_mem, 0)); +} + +/** Circle PAD from keys. + * + * This is implemented as "pushed all the way to an edge (max) or centered (0)". + * + * Indicate the circle pad is pushed completely to the edge in 1 of 8 directions. + */ +void UpdateNextCirclePADState() { + static const s16 max_value = 0x9C; + g_next_circle_x = g_next_state.circle_left ? -max_value : 0x0; + g_next_circle_x += g_next_state.circle_right ? max_value : 0x0; + g_next_circle_y = g_next_state.circle_down ? -max_value : 0x0; + g_next_circle_y += g_next_state.circle_up ? max_value : 0x0; +} + +/** Sets a PAD state (button or button combo) as pressed + */ +void PADButtonPress(PADState pad_state) { + g_next_state.hex |= pad_state.hex; + UpdateNextCirclePADState(); +} + +/** Sets a PAD state (button or button combo) as released + */ +void PADButtonRelease(PADState pad_state) { + g_next_state.hex &= ~pad_state.hex; + UpdateNextCirclePADState(); +} + +/** Called after all PAD changes to be included in this update have been made, + * including both PAD key changes and analog circle PAD changes. + */ +void PADUpdateComplete() { + PADData* pad_data = GetPADData(); + + // Update PADData struct + pad_data->current_state.hex = g_next_state.hex; + pad_data->index = g_next_index; + g_next_index = (g_next_index + 1) % pad_data->entries.size(); + + // Get the previous PAD state + u32 last_entry_index = (pad_data->index - 1) % pad_data->entries.size(); + PADState old_state = pad_data->entries[last_entry_index].current_state; + + // Compute bitmask with 1s for bits different from the old state + PADState changed; + changed.hex = (g_next_state.hex ^ old_state.hex); + + // Compute what was added + PADState additions; + additions.hex = changed.hex & g_next_state.hex; + + // Compute what was removed + PADState removals; + removals.hex = changed.hex & old_state.hex; + + // Get the current PAD entry + PADDataEntry* current_pad_entry = &pad_data->entries[pad_data->index]; + + // Update entry properties + current_pad_entry->current_state.hex = g_next_state.hex; + current_pad_entry->delta_additions.hex = additions.hex; + current_pad_entry->delta_removals.hex = removals.hex; + + // Set circle PAD + current_pad_entry->circle_pad_x = g_next_circle_x; + current_pad_entry->circle_pad_y = g_next_circle_y; + + // If we just updated index 0, provide a new timestamp + if (pad_data->index == 0) { + pad_data->index_reset_ticks_previous = pad_data->index_reset_ticks; + pad_data->index_reset_ticks = (s64)Core::g_app_core->GetTicks(); + } + + // Signal both handles when there's an update to PAD or touch + Kernel::SignalEvent(g_event_pad_or_touch_1); + Kernel::SignalEvent(g_event_pad_or_touch_2); +} + + +// TODO(peachum): +// Add a method for setting analog input from joystick device for the circle PAD. +// +// This method should: +// * Be called after both PADButton(). +// * Be called before PADUpdateComplete() +// * Set current PADEntry.circle_pad_ 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 + + /** * HID_User::GetIPCHandles service function * Inputs: @@ -35,11 +150,11 @@ void GetIPCHandles(Service::Interface* self) { cmd_buff[1] = 0; // No error cmd_buff[3] = g_shared_mem; - cmd_buff[4] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventA"); - cmd_buff[5] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventB"); - cmd_buff[6] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventC"); - cmd_buff[7] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventGyroscope"); - cmd_buff[8] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventD"); + cmd_buff[4] = g_event_pad_or_touch_1; + cmd_buff[5] = g_event_pad_or_touch_2; + cmd_buff[6] = g_event_accelerometer; + cmd_buff[7] = g_event_gyroscope; + cmd_buff[8] = g_event_debug_pad; DEBUG_LOG(KERNEL, "called"); } @@ -58,14 +173,19 @@ const Interface::FunctionInfo FunctionTable[] = { }; - - //////////////////////////////////////////////////////////////////////////////////////////////////// // Interface class Interface::Interface() { g_shared_mem = Kernel::CreateSharedMemory("HID_User:SharedMem"); // Create shared memory object + // Create event handles + g_event_pad_or_touch_1 = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventPADOrTouch1"); + g_event_pad_or_touch_2 = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventPADOrTouch2"); + g_event_accelerometer = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventAccelerometer"); + g_event_gyroscope = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventGyroscope"); + g_event_debug_pad = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventDebugPAD"); + Register(FunctionTable, ARRAY_SIZE(FunctionTable)); } diff --git a/src/core/hle/service/hid.h b/src/core/hle/service/hid.h index 6ddf2f80..f5f76f0f 100644 --- a/src/core/hle/service/hid.h +++ b/src/core/hle/service/hid.h @@ -15,30 +15,83 @@ namespace HID_User { +/// Structure of a PAD controller state struct PADState { union { u32 hex; - BitField<0, 1, u32> A; - BitField<1, 1, u32> B; - BitField<2, 1, u32> Select; - BitField<3, 1, u32> Start; - BitField<4, 1, u32> Right; - BitField<5, 1, u32> Left; - BitField<6, 1, u32> Up; - BitField<7, 1, u32> Down; - BitField<8, 1, u32> R; - BitField<9, 1, u32> L; - BitField<10, 1, u32> X; - BitField<11, 1, u32> Y; - - BitField<28, 1, u32> CircleRight; - BitField<29, 1, u32> CircleLeft; - BitField<30, 1, u32> CircleUp; - BitField<31, 1, u32> CircleDown; + BitField<0, 1, u32> a; + BitField<1, 1, u32> b; + BitField<2, 1, u32> select; + BitField<3, 1, u32> start; + BitField<4, 1, u32> right; + BitField<5, 1, u32> left; + BitField<6, 1, u32> up; + BitField<7, 1, u32> down; + BitField<8, 1, u32> r; + BitField<9, 1, u32> l; + BitField<10, 1, u32> x; + BitField<11, 1, u32> y; + + BitField<28, 1, u32> circle_right; + BitField<29, 1, u32> circle_left; + BitField<30, 1, u32> circle_up; + BitField<31, 1, u32> circle_down; }; }; +/// Structure of a single entry in the PADData's PAD state history array +struct PADDataEntry { + PADState current_state; + PADState delta_additions; + PADState delta_removals; + + s16 circle_pad_x; + s16 circle_pad_y; +}; + +/// Structure of all data related to the 3DS Pad +struct PADData { + s64 index_reset_ticks; + s64 index_reset_ticks_previous; + u32 index; // the index of the last updated PAD state history element + + u32 pad1; + u32 pad2; + + PADState current_state; // same as entries[index].current_state + u32 raw_circle_pad_data; + + u32 pad3; + + std::array entries; // PAD state history +}; + +// Pre-defined PADStates for single button presses +const PADState PAD_NONE = {{0}}; +const PADState PAD_A = {{1u << 0}}; +const PADState PAD_B = {{1u << 1}}; +const PADState PAD_SELECT = {{1u << 2}}; +const PADState PAD_START = {{1u << 3}}; +const PADState PAD_RIGHT = {{1u << 4}}; +const PADState PAD_LEFT = {{1u << 5}}; +const PADState PAD_UP = {{1u << 6}}; +const PADState PAD_DOWN = {{1u << 7}}; +const PADState PAD_R = {{1u << 8}}; +const PADState PAD_L = {{1u << 9}}; +const PADState PAD_X = {{1u << 10}}; +const PADState PAD_Y = {{1u << 11}}; +const PADState PAD_CIRCLE_RIGHT = {{1u << 28}}; +const PADState PAD_CIRCLE_LEFT = {{1u << 29}}; +const PADState PAD_CIRCLE_UP = {{1u << 30}}; +const PADState PAD_CIRCLE_DOWN = {{1u << 31}}; + +// Methods for updating the HID module's state +void PADButtonPress(PADState pad_state); +void PADButtonRelease(PADState pad_state); +void PADUpdateComplete(); + +/// HID service interface class Interface : public Service::Interface { public: -- cgit v1.2.3