Initial HID PAD work, with GLFW only.
This commit is contained in:
Kevin Hartman
parent
bb7ddede15
commit
4a94ec934a
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@ -8,8 +8,35 @@
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#include "citra/emu_window/emu_window_glfw.h"
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static void OnKeyEvent(GLFWwindow* win, int key, int action) {
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// TODO(bunnei): ImplementMe
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static const KeyMap::DefaultKeyMapping default_key_map[] = {
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{ KeyMap::CitraKey(GLFW_KEY_A), HID_User::PAD_A },
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{ KeyMap::CitraKey(GLFW_KEY_B), HID_User::PAD_B },
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{ KeyMap::CitraKey(GLFW_KEY_BACKSLASH), HID_User::PAD_SELECT },
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{ KeyMap::CitraKey(GLFW_KEY_ENTER), HID_User::PAD_START },
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{ KeyMap::CitraKey(GLFW_KEY_RIGHT), HID_User::PAD_RIGHT },
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{ KeyMap::CitraKey(GLFW_KEY_LEFT), HID_User::PAD_LEFT },
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{ KeyMap::CitraKey(GLFW_KEY_UP), HID_User::PAD_UP },
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{ KeyMap::CitraKey(GLFW_KEY_DOWN), HID_User::PAD_DOWN },
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{ KeyMap::CitraKey(GLFW_KEY_R), HID_User::PAD_R },
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{ KeyMap::CitraKey(GLFW_KEY_L), HID_User::PAD_L },
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{ KeyMap::CitraKey(GLFW_KEY_X), HID_User::PAD_X },
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{ KeyMap::CitraKey(GLFW_KEY_Y), HID_User::PAD_Y },
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{ KeyMap::CitraKey(GLFW_KEY_H), HID_User::PAD_CIRCLE_RIGHT },
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{ KeyMap::CitraKey(GLFW_KEY_F), HID_User::PAD_CIRCLE_LEFT },
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{ KeyMap::CitraKey(GLFW_KEY_T), HID_User::PAD_CIRCLE_UP },
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{ KeyMap::CitraKey(GLFW_KEY_G), HID_User::PAD_CIRCLE_DOWN },
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};
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static void OnKeyEvent(GLFWwindow* win, int key, int scancode, int action, int mods) {
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if (action == GLFW_PRESS) {
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EmuWindow::KeyPressed(KeyMap::CitraKey(key));
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}
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if (action == GLFW_RELEASE) {
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EmuWindow::KeyReleased(KeyMap::CitraKey(key));
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}
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HID_User::PADUpdateComplete();
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}
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static void OnWindowSizeEvent(GLFWwindow* win, int width, int height) {
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@ -20,6 +47,12 @@ static void OnWindowSizeEvent(GLFWwindow* win, int width, int height) {
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/// EmuWindow_GLFW constructor
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EmuWindow_GLFW::EmuWindow_GLFW() {
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// Set default key mappings
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for (int i = 0; i < ARRAY_SIZE(default_key_map); i++) {
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KeyMap::SetKeyMapping(default_key_map[i].key, default_key_map[i].state);
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}
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// Initialize the window
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if(glfwInit() != GL_TRUE) {
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printf("Failed to initialize GLFW! Exiting...");
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@ -45,7 +78,7 @@ EmuWindow_GLFW::EmuWindow_GLFW() {
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// Setup callbacks
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glfwSetWindowUserPointer(m_render_window, this);
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//glfwSetKeyCallback(m_render_window, OnKeyEvent);
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glfwSetKeyCallback(m_render_window, OnKeyEvent);
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//glfwSetWindowSizeCallback(m_render_window, OnWindowSizeEvent);
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DoneCurrent();
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@ -8,6 +8,7 @@ set(SRCS
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file_search.cpp
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file_util.cpp
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hash.cpp
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key_map.cpp
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log_manager.cpp
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math_util.cpp
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mem_arena.cpp
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@ -39,6 +40,7 @@ set(HEADERS
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file_search.h
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file_util.h
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hash.h
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key_map.h
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linear_disk_cache.h
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log.h
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log_manager.h
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@ -7,6 +7,9 @@
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#include "common/common.h"
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#include "common/scm_rev.h"
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#include "common/key_map.h"
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#include "core/hle/service/hid.h"
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// Abstraction class used to provide an interface between emulation code and the frontend (e.g. SDL,
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// QGLWidget, GLFW, etc...)
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class EmuWindow
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@ -32,6 +35,22 @@ public:
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/// Releases (dunno if this is the "right" word) the GLFW context from the caller thread
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virtual void DoneCurrent() = 0;
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static void KeyPressed(KeyMap::CitraKey key) {
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HID_User::PADState mapped_key = KeyMap::Get3DSKey(key);
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if (mapped_key.hex != HID_User::PAD_NONE.hex) {
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HID_User::PADButtonPress(mapped_key);
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}
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}
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static void KeyReleased(KeyMap::CitraKey key) {
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HID_User::PADState mapped_key = KeyMap::Get3DSKey(key);
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if (mapped_key.hex != HID_User::PAD_NONE.hex) {
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HID_User::PADButtonRelease(mapped_key);
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}
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}
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Config GetConfig() const {
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return m_config;
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}
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@ -0,0 +1,21 @@
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// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "key_map.h"
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#include <map>
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namespace KeyMap {
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std::map<CitraKey, HID_User::PADState> g_key_map;
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void SetKeyMapping(CitraKey key, HID_User::PADState padState) {
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g_key_map[key].hex = padState.hex;
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}
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HID_User::PADState Get3DSKey(CitraKey key) {
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return g_key_map[key];
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}
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}
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@ -0,0 +1,35 @@
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// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include "core/hle/service/hid.h"
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namespace KeyMap {
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class CitraKey {
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public:
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CitraKey() : keyCode(0) {}
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CitraKey(int code) : keyCode(code) {}
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int keyCode;
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bool operator < (const CitraKey &other) const {
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return keyCode < other.keyCode;
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}
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bool operator == (const CitraKey &other) const {
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return keyCode == other.keyCode;
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}
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};
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struct DefaultKeyMapping {
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KeyMap::CitraKey key;
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HID_User::PADState state;
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};
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void SetKeyMapping(CitraKey key, HID_User::PADState padState);
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HID_User::PADState Get3DSKey(CitraKey key);
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}
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@ -16,6 +16,121 @@ namespace HID_User {
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Handle g_shared_mem = 0; ///< Handle to shared memory region designated to HID_User service
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// Event handles
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Handle g_event_pad_or_touch_1 = 0;
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Handle g_event_pad_or_touch_2 = 0;
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Handle g_event_accelerometer = 0;
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Handle g_event_gyroscope = 0;
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Handle g_event_debug_pad = 0;
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// Next PAD state update information
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PADState g_next_state = {{0}};
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u32 g_next_index = 0;
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s16 g_next_circle_x = 0;
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s16 g_next_circle_y = 0;
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/** Gets a pointer to the PADData structure inside HID shared memory
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*/
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static inline PADData* GetPADData() {
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if (0 == g_shared_mem)
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return nullptr;
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return reinterpret_cast<PADData*>(Kernel::GetSharedMemoryPointer(g_shared_mem, 0));
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}
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/** Circle PAD from keys.
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*
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* This is implemented as "pushed all the way to an edge (max) or centered (0)".
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*
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* Indicate the circle pad is pushed completely to the edge in 1 of 8 directions.
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*/
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void UpdateNextCirclePADState() {
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static const s16 max_value = 0x9C;
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g_next_circle_x = g_next_state.circle_left ? -max_value : 0x0;
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g_next_circle_x += g_next_state.circle_right ? max_value : 0x0;
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g_next_circle_y = g_next_state.circle_down ? -max_value : 0x0;
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g_next_circle_y += g_next_state.circle_up ? max_value : 0x0;
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}
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/** Sets a PAD state (button or button combo) as pressed
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*/
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void PADButtonPress(PADState pad_state) {
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g_next_state.hex |= pad_state.hex;
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UpdateNextCirclePADState();
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}
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/** Sets a PAD state (button or button combo) as released
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*/
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void PADButtonRelease(PADState pad_state) {
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g_next_state.hex &= ~pad_state.hex;
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UpdateNextCirclePADState();
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}
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/** Called after all PAD changes to be included in this update have been made,
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* including both PAD key changes and analog circle PAD changes.
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*/
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void PADUpdateComplete() {
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PADData* pad_data = GetPADData();
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// Update PADData struct
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pad_data->current_state.hex = g_next_state.hex;
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pad_data->index = g_next_index;
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g_next_index = (g_next_index + 1) % pad_data->entries.size();
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// Get the previous PAD state
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u32 last_entry_index = (pad_data->index - 1) % pad_data->entries.size();
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PADState old_state = pad_data->entries[last_entry_index].current_state;
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// Compute bitmask with 1s for bits different from the old state
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PADState changed;
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changed.hex = (g_next_state.hex ^ old_state.hex);
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// Compute what was added
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PADState additions;
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additions.hex = changed.hex & g_next_state.hex;
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// Compute what was removed
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PADState removals;
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removals.hex = changed.hex & old_state.hex;
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// Get the current PAD entry
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PADDataEntry* current_pad_entry = &pad_data->entries[pad_data->index];
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// Update entry properties
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current_pad_entry->current_state.hex = g_next_state.hex;
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current_pad_entry->delta_additions.hex = additions.hex;
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current_pad_entry->delta_removals.hex = removals.hex;
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// Set circle PAD
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current_pad_entry->circle_pad_x = g_next_circle_x;
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current_pad_entry->circle_pad_y = g_next_circle_y;
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// If we just updated index 0, provide a new timestamp
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if (pad_data->index == 0) {
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pad_data->index_reset_ticks_previous = pad_data->index_reset_ticks;
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pad_data->index_reset_ticks = (s64)Core::g_app_core->GetTicks();
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}
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// Signal both handles when there's an update to PAD or touch
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Kernel::SignalEvent(g_event_pad_or_touch_1);
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Kernel::SignalEvent(g_event_pad_or_touch_2);
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}
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// TODO(peachum):
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// Add a method for setting analog input from joystick device for the circle PAD.
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//
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// This method should:
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// * Be called after both PADButton<Press, Release>().
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// * Be called before PADUpdateComplete()
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// * Set current PADEntry.circle_pad_<axis> using analog data
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// * Set PadData.raw_circle_pad_data
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// * Set PadData.current_state.circle_right = 1 if current PADEntry.circle_pad_x >= 41
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// * Set PadData.current_state.circle_up = 1 if current PADEntry.circle_pad_y >= 41
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// * Set PadData.current_state.circle_left = 1 if current PADEntry.circle_pad_x <= -41
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// * Set PadData.current_state.circle_right = 1 if current PADEntry.circle_pad_y <= -41
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/**
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* HID_User::GetIPCHandles service function
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* Inputs:
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@ -35,11 +150,11 @@ void GetIPCHandles(Service::Interface* self) {
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cmd_buff[1] = 0; // No error
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cmd_buff[3] = g_shared_mem;
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cmd_buff[4] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventA");
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cmd_buff[5] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventB");
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cmd_buff[6] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventC");
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cmd_buff[7] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventGyroscope");
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cmd_buff[8] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventD");
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cmd_buff[4] = g_event_pad_or_touch_1;
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cmd_buff[5] = g_event_pad_or_touch_2;
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cmd_buff[6] = g_event_accelerometer;
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cmd_buff[7] = g_event_gyroscope;
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cmd_buff[8] = g_event_debug_pad;
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DEBUG_LOG(KERNEL, "called");
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}
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@ -58,14 +173,19 @@ const Interface::FunctionInfo FunctionTable[] = {
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Interface class
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Interface::Interface() {
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g_shared_mem = Kernel::CreateSharedMemory("HID_User:SharedMem"); // Create shared memory object
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// Create event handles
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g_event_pad_or_touch_1 = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventPADOrTouch1");
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g_event_pad_or_touch_2 = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventPADOrTouch2");
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g_event_accelerometer = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventAccelerometer");
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g_event_gyroscope = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventGyroscope");
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g_event_debug_pad = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventDebugPAD");
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Register(FunctionTable, ARRAY_SIZE(FunctionTable));
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}
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@ -15,30 +15,83 @@
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namespace HID_User {
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/// Structure of a PAD controller state
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struct PADState {
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union {
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u32 hex;
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BitField<0, 1, u32> A;
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BitField<1, 1, u32> B;
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BitField<2, 1, u32> Select;
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BitField<3, 1, u32> Start;
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BitField<4, 1, u32> Right;
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BitField<5, 1, u32> Left;
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BitField<6, 1, u32> Up;
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BitField<7, 1, u32> Down;
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BitField<8, 1, u32> R;
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BitField<9, 1, u32> L;
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BitField<10, 1, u32> X;
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BitField<11, 1, u32> Y;
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BitField<0, 1, u32> a;
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BitField<1, 1, u32> b;
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BitField<2, 1, u32> select;
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BitField<3, 1, u32> start;
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BitField<4, 1, u32> right;
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BitField<5, 1, u32> left;
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BitField<6, 1, u32> up;
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BitField<7, 1, u32> down;
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BitField<8, 1, u32> r;
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BitField<9, 1, u32> l;
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BitField<10, 1, u32> x;
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BitField<11, 1, u32> y;
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BitField<28, 1, u32> CircleRight;
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BitField<29, 1, u32> CircleLeft;
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BitField<30, 1, u32> CircleUp;
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BitField<31, 1, u32> CircleDown;
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BitField<28, 1, u32> circle_right;
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BitField<29, 1, u32> circle_left;
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BitField<30, 1, u32> circle_up;
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BitField<31, 1, u32> circle_down;
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};
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};
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/// Structure of a single entry in the PADData's PAD state history array
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struct PADDataEntry {
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PADState current_state;
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PADState delta_additions;
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PADState delta_removals;
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s16 circle_pad_x;
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s16 circle_pad_y;
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};
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/// Structure of all data related to the 3DS Pad
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struct PADData {
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s64 index_reset_ticks;
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s64 index_reset_ticks_previous;
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u32 index; // the index of the last updated PAD state history element
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u32 pad1;
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u32 pad2;
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PADState current_state; // same as entries[index].current_state
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u32 raw_circle_pad_data;
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u32 pad3;
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std::array<PADDataEntry, 8> entries; // PAD state history
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};
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// Pre-defined PADStates for single button presses
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const PADState PAD_NONE = {{0}};
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const PADState PAD_A = {{1u << 0}};
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const PADState PAD_B = {{1u << 1}};
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const PADState PAD_SELECT = {{1u << 2}};
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const PADState PAD_START = {{1u << 3}};
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const PADState PAD_RIGHT = {{1u << 4}};
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const PADState PAD_LEFT = {{1u << 5}};
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const PADState PAD_UP = {{1u << 6}};
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const PADState PAD_DOWN = {{1u << 7}};
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const PADState PAD_R = {{1u << 8}};
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const PADState PAD_L = {{1u << 9}};
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const PADState PAD_X = {{1u << 10}};
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const PADState PAD_Y = {{1u << 11}};
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const PADState PAD_CIRCLE_RIGHT = {{1u << 28}};
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const PADState PAD_CIRCLE_LEFT = {{1u << 29}};
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const PADState PAD_CIRCLE_UP = {{1u << 30}};
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const PADState PAD_CIRCLE_DOWN = {{1u << 31}};
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// Methods for updating the HID module's state
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void PADButtonPress(PADState pad_state);
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void PADButtonRelease(PADState pad_state);
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void PADUpdateComplete();
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/// HID service interface
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class Interface : public Service::Interface {
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public:
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