mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-29 02:55:36 -05:00
631103bfa8
On Android WillSuspend and WillResume maps to focus and DidSuspend and DidResume maps to onPause and onResume. On OSX WillSuspend and DidSuspend maps to resign key, WillResume and DidResumg maps to make key.
488 lines
12 KiB
C++
488 lines
12 KiB
C++
/*
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* Copyright 2011-2015 Branimir Karadzic. All rights reserved.
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* License: http://www.opensource.org/licenses/BSD-2-Clause
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*/
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#include "entry_p.h"
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#if ENTRY_CONFIG_USE_NATIVE && BX_PLATFORM_ANDROID
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#include <bgfxplatform.h>
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#include <stdio.h>
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#include <bx/thread.h>
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#include <android/input.h>
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#include <android/log.h>
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#include <android/looper.h>
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#include <android/window.h>
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#include <android_native_app_glue.h>
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extern "C"
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{
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-parameter"
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#include <android_native_app_glue.c>
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#pragma GCC diagnostic pop
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} // extern "C"
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namespace entry
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{
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struct GamepadRemap
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{
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uint16_t m_keyCode;
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Key::Enum m_key;
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};
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static GamepadRemap s_gamepadRemap[] =
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{
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{ AKEYCODE_DPAD_UP, Key::GamepadUp },
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{ AKEYCODE_DPAD_DOWN, Key::GamepadDown },
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{ AKEYCODE_DPAD_LEFT, Key::GamepadLeft },
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{ AKEYCODE_DPAD_RIGHT, Key::GamepadRight },
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{ AKEYCODE_BUTTON_START, Key::GamepadStart },
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{ AKEYCODE_BACK, Key::GamepadBack },
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{ AKEYCODE_BUTTON_THUMBL, Key::GamepadThumbL },
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{ AKEYCODE_BUTTON_THUMBR, Key::GamepadThumbR },
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{ AKEYCODE_BUTTON_L1, Key::GamepadShoulderL },
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{ AKEYCODE_BUTTON_R1, Key::GamepadShoulderR },
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{ AKEYCODE_GUIDE, Key::GamepadGuide },
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{ AKEYCODE_BUTTON_A, Key::GamepadA },
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{ AKEYCODE_BUTTON_B, Key::GamepadB },
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{ AKEYCODE_BUTTON_X, Key::GamepadX },
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{ AKEYCODE_BUTTON_Y, Key::GamepadY },
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};
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struct GamepadAxisRemap
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{
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int32_t m_event;
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GamepadAxis::Enum m_axis;
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bool m_convert;
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};
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static GamepadAxisRemap s_translateAxis[] =
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{
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{ AMOTION_EVENT_AXIS_X, GamepadAxis::LeftX, false },
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{ AMOTION_EVENT_AXIS_Y, GamepadAxis::LeftY, false },
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{ AMOTION_EVENT_AXIS_LTRIGGER, GamepadAxis::LeftZ, false },
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{ AMOTION_EVENT_AXIS_Z, GamepadAxis::RightX, true },
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{ AMOTION_EVENT_AXIS_RZ, GamepadAxis::RightY, false },
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{ AMOTION_EVENT_AXIS_RTRIGGER, GamepadAxis::RightZ, false },
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};
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struct MainThreadEntry
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{
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int m_argc;
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char** m_argv;
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static int32_t threadFunc(void* _userData);
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};
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struct Context
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{
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Context()
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: m_window(NULL)
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, m_count(0)
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{
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memset(m_value, 0, sizeof(m_value) );
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// Deadzone values from xinput.h
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m_deadzone[GamepadAxis::LeftX ] =
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m_deadzone[GamepadAxis::LeftY ] = 7849;
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m_deadzone[GamepadAxis::RightX] =
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m_deadzone[GamepadAxis::RightY] = 8689;
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m_deadzone[GamepadAxis::LeftZ ] =
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m_deadzone[GamepadAxis::RightZ] = 30;
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}
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void run(android_app* _app)
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{
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m_app = _app;
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m_app->userData = (void*)this;
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m_app->onAppCmd = onAppCmdCB;
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m_app->onInputEvent = onInputEventCB;
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ANativeActivity_setWindowFlags(m_app->activity, 0
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| AWINDOW_FLAG_FULLSCREEN
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| AWINDOW_FLAG_KEEP_SCREEN_ON
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, 0
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);
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const char* argv[1] = { "android.so" };
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m_mte.m_argc = 1;
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m_mte.m_argv = const_cast<char**>(argv);
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while (0 == m_app->destroyRequested)
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{
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int32_t num;
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android_poll_source* source;
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/*int32_t id =*/ ALooper_pollAll(-1, NULL, &num, (void**)&source);
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if (NULL != source)
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{
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source->process(m_app, source);
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}
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}
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m_thread.shutdown();
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}
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void onAppCmd(int32_t _cmd)
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{
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switch (_cmd)
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{
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case APP_CMD_INPUT_CHANGED:
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// Command from main thread: the AInputQueue has changed. Upon processing
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// this command, android_app->inputQueue will be updated to the new queue
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// (or NULL).
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break;
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case APP_CMD_INIT_WINDOW:
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// Command from main thread: a new ANativeWindow is ready for use. Upon
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// receiving this command, android_app->window will contain the new window
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// surface.
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if (m_window == NULL)
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{
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m_window = m_app->window;
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bgfx::androidSetWindow(m_window);
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int32_t width = ANativeWindow_getWidth(m_window);
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int32_t height = ANativeWindow_getHeight(m_window);
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DBG("ANativeWindow width %d, height %d", width, height);
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WindowHandle defaultWindow = { 0 };
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m_eventQueue.postSizeEvent(defaultWindow, width, height);
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m_thread.init(MainThreadEntry::threadFunc, &m_mte);
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}
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break;
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case APP_CMD_TERM_WINDOW:
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// Command from main thread: the existing ANativeWindow needs to be
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// terminated. Upon receiving this command, android_app->window still
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// contains the existing window; after calling android_app_exec_cmd
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// it will be set to NULL.
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break;
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case APP_CMD_WINDOW_RESIZED:
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// Command from main thread: the current ANativeWindow has been resized.
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// Please redraw with its new size.
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break;
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case APP_CMD_WINDOW_REDRAW_NEEDED:
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// Command from main thread: the system needs that the current ANativeWindow
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// be redrawn. You should redraw the window before handing this to
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// android_app_exec_cmd() in order to avoid transient drawing glitches.
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break;
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case APP_CMD_CONTENT_RECT_CHANGED:
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// Command from main thread: the content area of the window has changed,
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// such as from the soft input window being shown or hidden. You can
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// find the new content rect in android_app::contentRect.
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break;
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case APP_CMD_GAINED_FOCUS:
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{
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// Command from main thread: the app's activity window has gained
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// input focus.
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WindowHandle defaultWindow = { 0 };
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m_eventQueue.postSuspendEvent(defaultWindow, Suspend::WillResume);
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break;
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}
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case APP_CMD_LOST_FOCUS:
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{
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// Command from main thread: the app's activity window has lost
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// input focus.
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WindowHandle defaultWindow = { 0 };
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m_eventQueue.postSuspendEvent(defaultWindow, Suspend::WillSuspend);
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break;
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}
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case APP_CMD_CONFIG_CHANGED:
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// Command from main thread: the current device configuration has changed.
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break;
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case APP_CMD_LOW_MEMORY:
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// Command from main thread: the system is running low on memory.
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// Try to reduce your memory use.
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break;
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case APP_CMD_START:
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// Command from main thread: the app's activity has been started.
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break;
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case APP_CMD_RESUME:
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{
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// Command from main thread: the app's activity has been resumed.
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WindowHandle defaultWindow = { 0 };
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m_eventQueue.postSuspendEvent(defaultWindow, Suspend::DidResume);
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break;
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}
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case APP_CMD_SAVE_STATE:
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// Command from main thread: the app should generate a new saved state
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// for itself, to restore from later if needed. If you have saved state,
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// allocate it with malloc and place it in android_app.savedState with
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// the size in android_app.savedStateSize. The will be freed for you
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// later.
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break;
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case APP_CMD_PAUSE:
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{
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// Command from main thread: the app's activity has been paused.
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WindowHandle defaultWindow = { 0 };
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m_eventQueue.postSuspendEvent(defaultWindow, Suspend::DidSuspend);
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break;
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}
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case APP_CMD_STOP:
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// Command from main thread: the app's activity has been stopped.
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break;
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case APP_CMD_DESTROY:
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// Command from main thread: the app's activity is being destroyed,
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// and waiting for the app thread to clean up and exit before proceeding.
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m_eventQueue.postExitEvent();
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break;
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}
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}
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bool filter(GamepadAxis::Enum _axis, int32_t* _value)
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{
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const int32_t old = m_value[_axis];
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const int32_t deadzone = m_deadzone[_axis];
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int32_t value = *_value;
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value = value > deadzone || value < -deadzone ? value : 0;
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m_value[_axis] = value;
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*_value = value;
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return old != value;
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}
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int32_t onInputEvent(AInputEvent* _event)
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{
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WindowHandle defaultWindow = { 0 };
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GamepadHandle handle = { 0 };
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const int32_t type = AInputEvent_getType(_event);
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const int32_t source = AInputEvent_getSource(_event);
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const int32_t actionBits = AMotionEvent_getAction(_event);
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switch (type)
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{
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case AINPUT_EVENT_TYPE_MOTION:
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{
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if (0 != (source & (AINPUT_SOURCE_GAMEPAD|AINPUT_SOURCE_JOYSTICK) ) )
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{
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for (uint32_t ii = 0; ii < BX_COUNTOF(s_translateAxis); ++ii)
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{
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const float fval = AMotionEvent_getAxisValue(_event, s_translateAxis[ii].m_event, 0);
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int32_t value = int32_t( (s_translateAxis[ii].m_convert ? fval * 2.0f + 1.0f : fval) * INT16_MAX);
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GamepadAxis::Enum axis = s_translateAxis[ii].m_axis;
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if (filter(axis, &value) )
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{
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m_eventQueue.postAxisEvent(defaultWindow, handle, axis, value);
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}
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}
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return 1;
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}
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else
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{
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float mx = AMotionEvent_getX(_event, 0);
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float my = AMotionEvent_getY(_event, 0);
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int32_t count = AMotionEvent_getPointerCount(_event);
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int32_t action = (actionBits & AMOTION_EVENT_ACTION_MASK);
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int32_t index = (actionBits & AMOTION_EVENT_ACTION_POINTER_INDEX_MASK) >> AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
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count = m_count;
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switch (action)
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{
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case AMOTION_EVENT_ACTION_DOWN:
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case AMOTION_EVENT_ACTION_POINTER_DOWN:
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m_count++;
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break;
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case AMOTION_EVENT_ACTION_UP:
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case AMOTION_EVENT_ACTION_POINTER_UP:
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m_count--;
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break;
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default:
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break;
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}
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if (count != m_count)
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{
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m_eventQueue.postMouseEvent(defaultWindow
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, (int32_t)mx
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, (int32_t)my
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, 0
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, 1 == count ? MouseButton::Left : MouseButton::Right
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, false
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);
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if (0 != m_count)
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{
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m_eventQueue.postMouseEvent(defaultWindow
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, (int32_t)mx
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, (int32_t)my
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, 0
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, 1 == m_count ? MouseButton::Left : MouseButton::Right
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, true
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);
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}
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}
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switch (action)
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{
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case AMOTION_EVENT_ACTION_MOVE:
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if (0 == index)
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{
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m_eventQueue.postMouseEvent(defaultWindow
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, (int32_t)mx
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, (int32_t)my
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, 0
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);
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}
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break;
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default:
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break;
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}
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}
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}
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break;
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case AINPUT_EVENT_TYPE_KEY:
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{
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int32_t keyCode = AKeyEvent_getKeyCode(_event);
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if (0 != (source & (AINPUT_SOURCE_GAMEPAD|AINPUT_SOURCE_JOYSTICK) ) )
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{
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for (uint32_t jj = 0; jj < BX_COUNTOF(s_gamepadRemap); ++jj)
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{
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if (keyCode == s_gamepadRemap[jj].m_keyCode)
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{
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m_eventQueue.postKeyEvent(defaultWindow, s_gamepadRemap[jj].m_key, 0, actionBits == AKEY_EVENT_ACTION_DOWN);
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break;
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}
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}
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}
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return 1;
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}
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break;
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default:
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DBG("type %d", type);
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break;
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}
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return 0;
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}
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static void onAppCmdCB(struct android_app* _app, int32_t _cmd)
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{
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Context* self = (Context*)_app->userData;
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self->onAppCmd(_cmd);
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}
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static int32_t onInputEventCB(struct android_app* _app, AInputEvent* _event)
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{
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Context* self = (Context*)_app->userData;
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return self->onInputEvent(_event);
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}
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MainThreadEntry m_mte;
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bx::Thread m_thread;
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EventQueue m_eventQueue;
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ANativeWindow* m_window;
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android_app* m_app;
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int32_t m_count;
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int32_t m_value[GamepadAxis::Count];
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int32_t m_deadzone[GamepadAxis::Count];
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};
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static Context s_ctx;
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const Event* poll()
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{
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return s_ctx.m_eventQueue.poll();
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}
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const Event* poll(WindowHandle _handle)
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{
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return s_ctx.m_eventQueue.poll(_handle);
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}
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void release(const Event* _event)
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{
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s_ctx.m_eventQueue.release(_event);
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}
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WindowHandle createWindow(int32_t _x, int32_t _y, uint32_t _width, uint32_t _height, uint32_t _flags, const char* _title)
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{
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BX_UNUSED(_x, _y, _width, _height, _flags, _title);
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WindowHandle handle = { UINT16_MAX };
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return handle;
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}
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void destroyWindow(WindowHandle _handle)
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{
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BX_UNUSED(_handle);
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}
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void setWindowPos(WindowHandle _handle, int32_t _x, int32_t _y)
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{
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BX_UNUSED(_handle, _x, _y);
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}
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void setWindowSize(WindowHandle _handle, uint32_t _width, uint32_t _height)
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{
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BX_UNUSED(_handle, _width, _height);
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}
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void setWindowTitle(WindowHandle _handle, const char* _title)
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{
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BX_UNUSED(_handle, _title);
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}
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void toggleWindowFrame(WindowHandle _handle)
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{
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BX_UNUSED(_handle);
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}
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void toggleFullscreen(WindowHandle _handle)
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{
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BX_UNUSED(_handle);
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}
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void setMouseLock(WindowHandle _handle, bool _lock)
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{
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BX_UNUSED(_handle, _lock);
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}
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int32_t MainThreadEntry::threadFunc(void* _userData)
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{
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int32_t result = chdir("/sdcard/bgfx/examples/runtime");
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BX_CHECK(0 == result, "Failed to chdir to dir. android.permission.WRITE_EXTERNAL_STORAGE?", errno);
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MainThreadEntry* self = (MainThreadEntry*)_userData;
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result = main(self->m_argc, self->m_argv);
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// PostMessage(s_ctx.m_hwnd, WM_QUIT, 0, 0);
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return result;
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}
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} // namespace entry
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extern "C" void android_main(android_app* _app)
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{
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using namespace entry;
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s_ctx.run(_app);
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}
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#endif // ENTRY_CONFIG_USE_NATIVE && BX_PLATFORM_ANDROID
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