mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 09:08:22 -05:00
528 lines
12 KiB
C++
528 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 <bgfx.h>
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#include <bx/string.h>
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#include <bx/readerwriter.h>
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#include <time.h>
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#include "entry_p.h"
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#include "cmd.h"
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#include "input.h"
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extern "C" int _main_(int _argc, char** _argv);
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namespace entry
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{
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static uint32_t s_debug = BGFX_DEBUG_NONE;
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static uint32_t s_reset = BGFX_RESET_NONE;
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static bool s_exit = false;
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static bx::FileReaderI* s_fileReader = NULL;
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static bx::FileWriterI* s_fileWriter = NULL;
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extern bx::ReallocatorI* getDefaultAllocator();
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static bx::ReallocatorI* s_allocator = getDefaultAllocator();
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#if ENTRY_CONFIG_IMPLEMENT_DEFAULT_ALLOCATOR
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bx::ReallocatorI* getDefaultAllocator()
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{
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static bx::CrtAllocator s_allocator;
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return &s_allocator;
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}
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#endif // ENTRY_CONFIG_IMPLEMENT_DEFAULT_ALLOCATOR
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char keyToAscii(Key::Enum _key, uint8_t _modifiers)
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{
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const bool isAscii = (Key::Key0 <= _key && _key <= Key::KeyZ)
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|| (Key::Esc <= _key && _key <= Key::Minus);
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if (!isAscii)
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{
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return '\0';
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}
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const bool isNumber = (Key::Key0 <= _key && _key <= Key::Key9);
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if (isNumber)
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{
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return '0' + (_key - Key::Key0);
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}
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const bool isChar = (Key::KeyA <= _key && _key <= Key::KeyZ);
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if (isChar)
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{
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enum { ShiftMask = Modifier::LeftShift|Modifier::RightShift };
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const bool shift = !!(_modifiers&ShiftMask);
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return (shift ? 'A' : 'a') + (_key - Key::KeyA);
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}
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switch (_key)
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{
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case Key::Esc: return 0x1b;
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case Key::Return: return '\n';
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case Key::Tab: return '\t';
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case Key::Space: return ' ';
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case Key::Backspace: return 0x08;
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case Key::Plus: return '+';
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case Key::Minus: return '-';
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default: break;
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}
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return '\0';
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}
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bool setOrToggle(uint32_t& _flags, const char* _name, uint32_t _bit, int _first, int _argc, char const* const* _argv)
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{
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if (0 == strcmp(_argv[_first], _name) )
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{
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int arg = _first+1;
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if (_argc > arg)
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{
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_flags &= ~_bit;
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_flags |= bx::toBool(_argv[arg]) ? _bit : 0;
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}
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else
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{
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_flags ^= _bit;
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}
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return true;
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}
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return false;
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}
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void cmd(const void* _userData)
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{
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cmdExec( (const char*)_userData);
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}
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int cmdMouseLock(CmdContext* /*_context*/, void* /*_userData*/, int _argc, char const* const* _argv)
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{
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if (_argc > 1)
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{
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inputSetMouseLock(_argc > 1 ? bx::toBool(_argv[1]) : !inputIsMouseLocked() );
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return 0;
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}
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return 1;
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}
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int cmdGraphics(CmdContext* /*_context*/, void* /*_userData*/, int _argc, char const* const* _argv)
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{
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if (_argc > 1)
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{
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if (setOrToggle(s_reset, "vsync", BGFX_RESET_VSYNC, 1, _argc, _argv)
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|| setOrToggle(s_reset, "maxaniso", BGFX_RESET_MAXANISOTROPY, 1, _argc, _argv)
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|| setOrToggle(s_reset, "hmd", BGFX_RESET_HMD, 1, _argc, _argv)
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|| setOrToggle(s_reset, "hmddbg", BGFX_RESET_HMD_DEBUG, 1, _argc, _argv)
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|| setOrToggle(s_reset, "hmdrecenter", BGFX_RESET_HMD_RECENTER, 1, _argc, _argv)
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|| setOrToggle(s_reset, "msaa", BGFX_RESET_MSAA_X16, 1, _argc, _argv) )
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{
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return 0;
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}
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else if (setOrToggle(s_debug, "stats", BGFX_DEBUG_STATS, 1, _argc, _argv)
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|| setOrToggle(s_debug, "ifh", BGFX_DEBUG_IFH, 1, _argc, _argv)
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|| setOrToggle(s_debug, "text", BGFX_DEBUG_TEXT, 1, _argc, _argv)
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|| setOrToggle(s_debug, "wireframe", BGFX_DEBUG_WIREFRAME, 1, _argc, _argv) )
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{
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bgfx::setDebug(s_debug);
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return 0;
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}
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else if (0 == strcmp(_argv[1], "screenshot") )
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{
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if (_argc > 2)
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{
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bgfx::saveScreenShot(_argv[2]);
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}
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else
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{
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time_t tt;
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time(&tt);
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char filePath[256];
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bx::snprintf(filePath, sizeof(filePath), "temp/screenshot-%d", tt);
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bgfx::saveScreenShot(filePath);
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}
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return 0;
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}
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}
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return 1;
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}
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int cmdExit(CmdContext* /*_context*/, void* /*_userData*/, int /*_argc*/, char const* const* /*_argv*/)
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{
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s_exit = true;
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return 0;
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}
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static const InputBinding s_bindings[] =
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{
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{ entry::Key::KeyQ, entry::Modifier::LeftCtrl, 1, cmd, "exit" },
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{ entry::Key::F1, entry::Modifier::None, 1, cmd, "graphics stats" },
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{ entry::Key::GamepadStart, entry::Modifier::None, 1, cmd, "graphics stats" },
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{ entry::Key::F1, entry::Modifier::LeftShift, 1, cmd, "graphics stats 0\ngraphics text 0" },
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{ entry::Key::F3, entry::Modifier::None, 1, cmd, "graphics wireframe" },
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{ entry::Key::F4, entry::Modifier::None, 1, cmd, "graphics hmd" },
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{ entry::Key::F4, entry::Modifier::LeftShift, 1, cmd, "graphics hmdrecenter" },
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{ entry::Key::F4, entry::Modifier::LeftCtrl, 1, cmd, "graphics hmddbg" },
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{ entry::Key::F7, entry::Modifier::None, 1, cmd, "graphics vsync" },
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{ entry::Key::F8, entry::Modifier::None, 1, cmd, "graphics msaa" },
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{ entry::Key::Print, entry::Modifier::None, 1, cmd, "graphics screenshot" },
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INPUT_BINDING_END
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};
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int main(int _argc, char** _argv)
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{
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//DBG(BX_COMPILER_NAME " / " BX_CPU_NAME " / " BX_ARCH_NAME " / " BX_PLATFORM_NAME);
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#if BX_CONFIG_CRT_FILE_READER_WRITER
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s_fileReader = new bx::CrtFileReader;
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s_fileWriter = new bx::CrtFileWriter;
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#endif // BX_CONFIG_CRT_FILE_READER_WRITER
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cmdInit();
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cmdAdd("mouselock", cmdMouseLock);
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cmdAdd("graphics", cmdGraphics );
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cmdAdd("exit", cmdExit );
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inputInit();
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inputAddBindings("bindings", s_bindings);
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entry::WindowHandle defaultWindow = { 0 };
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entry::setWindowTitle(defaultWindow, bx::baseName(_argv[0]));
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int32_t result = ::_main_(_argc, _argv);
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inputRemoveBindings("bindings");
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inputShutdown();
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cmdShutdown();
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#if BX_CONFIG_CRT_FILE_READER_WRITER
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delete s_fileReader;
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s_fileReader = NULL;
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delete s_fileWriter;
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s_fileWriter = NULL;
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#endif // BX_CONFIG_CRT_FILE_READER_WRITER
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return result;
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}
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bool processEvents(uint32_t& _width, uint32_t& _height, uint32_t& _debug, uint32_t& _reset, MouseState* _mouse)
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{
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s_debug = _debug;
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s_reset = _reset;
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WindowHandle handle = { UINT16_MAX };
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bool mouseLock = inputIsMouseLocked();
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const Event* ev;
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do
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{
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struct SE { const Event* m_ev; SE() : m_ev(poll() ) {} ~SE() { if (NULL != m_ev) { release(m_ev); } } } scopeEvent;
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ev = scopeEvent.m_ev;
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if (NULL != ev)
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{
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switch (ev->m_type)
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{
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case Event::Axis:
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{
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const AxisEvent* axis = static_cast<const AxisEvent*>(ev);
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inputSetGamepadAxis(axis->m_gamepad, axis->m_axis, axis->m_value);
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}
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break;
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case Event::Char:
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{
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const CharEvent* chev = static_cast<const CharEvent*>(ev);
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inputChar(chev->m_len, chev->m_char);
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}
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break;
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case Event::Exit:
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return true;
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case Event::Gamepad:
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{
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const GamepadEvent* gev = static_cast<const GamepadEvent*>(ev);
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DBG("gamepad %d, %d", gev->m_gamepad.idx, gev->m_connected);
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}
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break;
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case Event::Mouse:
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{
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const MouseEvent* mouse = static_cast<const MouseEvent*>(ev);
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handle = mouse->m_handle;
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if (mouse->m_move)
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{
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inputSetMousePos(mouse->m_mx, mouse->m_my, mouse->m_mz);
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}
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else
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{
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inputSetMouseButtonState(mouse->m_button, mouse->m_down);
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}
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if (NULL != _mouse
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&& !mouseLock)
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{
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if (mouse->m_move)
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{
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_mouse->m_mx = mouse->m_mx;
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_mouse->m_my = mouse->m_my;
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_mouse->m_mz = mouse->m_mz;
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}
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else
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{
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_mouse->m_buttons[mouse->m_button] = mouse->m_down;
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}
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}
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}
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break;
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case Event::Key:
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{
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const KeyEvent* key = static_cast<const KeyEvent*>(ev);
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handle = key->m_handle;
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inputSetKeyState(key->m_key, key->m_modifiers, key->m_down);
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}
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break;
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case Event::Size:
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{
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const SizeEvent* size = static_cast<const SizeEvent*>(ev);
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handle = size->m_handle;
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_width = size->m_width;
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_height = size->m_height;
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_reset = !s_reset; // force reset
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}
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break;
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case Event::Window:
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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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inputProcess();
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} while (NULL != ev);
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if (handle.idx == 0
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&& _reset != s_reset)
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{
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_reset = s_reset;
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bgfx::reset(_width, _height, _reset);
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inputSetMouseResolution(_width, _height);
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}
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_debug = s_debug;
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return s_exit;
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}
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WindowState s_window[ENTRY_CONFIG_MAX_WINDOWS];
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bool processWindowEvents(WindowState& _state, uint32_t& _debug, uint32_t& _reset)
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{
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s_debug = _debug;
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s_reset = _reset;
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WindowHandle handle = { UINT16_MAX };
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bool mouseLock = inputIsMouseLocked();
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const Event* ev;
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do
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{
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struct SE
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{
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SE(WindowHandle _handle)
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: m_ev(poll(_handle) )
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{
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}
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~SE()
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{
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if (NULL != m_ev)
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{
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release(m_ev);
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}
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}
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const Event* m_ev;
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} scopeEvent(handle);
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ev = scopeEvent.m_ev;
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if (NULL != ev)
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{
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handle = ev->m_handle;
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WindowState& win = s_window[handle.idx];
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switch (ev->m_type)
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{
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case Event::Axis:
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{
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const AxisEvent* axis = static_cast<const AxisEvent*>(ev);
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inputSetGamepadAxis(axis->m_gamepad, axis->m_axis, axis->m_value);
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}
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break;
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case Event::Char:
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{
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const CharEvent* chev = static_cast<const CharEvent*>(ev);
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win.m_handle = chev->m_handle;
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inputChar(chev->m_len, chev->m_char);
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}
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break;
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case Event::Exit:
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return true;
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case Event::Gamepad:
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{
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const GamepadEvent* gev = static_cast<const GamepadEvent*>(ev);
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DBG("gamepad %d, %d", gev->m_gamepad.idx, gev->m_connected);
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}
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break;
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case Event::Mouse:
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{
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const MouseEvent* mouse = static_cast<const MouseEvent*>(ev);
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win.m_handle = mouse->m_handle;
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if (mouse->m_move)
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{
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inputSetMousePos(mouse->m_mx, mouse->m_my, mouse->m_mz);
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}
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else
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{
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inputSetMouseButtonState(mouse->m_button, mouse->m_down);
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}
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if (!mouseLock)
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{
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if (mouse->m_move)
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{
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win.m_mouse.m_mx = mouse->m_mx;
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win.m_mouse.m_my = mouse->m_my;
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win.m_mouse.m_mz = mouse->m_mz;
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}
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else
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{
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win.m_mouse.m_buttons[mouse->m_button] = mouse->m_down;
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}
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}
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}
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break;
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case Event::Key:
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{
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const KeyEvent* key = static_cast<const KeyEvent*>(ev);
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win.m_handle = key->m_handle;
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inputSetKeyState(key->m_key, key->m_modifiers, key->m_down);
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}
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break;
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case Event::Size:
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{
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const SizeEvent* size = static_cast<const SizeEvent*>(ev);
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win.m_handle = size->m_handle;
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win.m_width = size->m_width;
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win.m_height = size->m_height;
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_reset = win.m_handle.idx == 0
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? !s_reset
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: _reset
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; // force reset
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}
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break;
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case Event::Window:
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{
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const WindowEvent* window = static_cast<const WindowEvent*>(ev);
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win.m_handle = window->m_handle;
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win.m_nwh = window->m_nwh;
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ev = NULL;
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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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inputProcess();
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} while (NULL != ev);
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if (isValid(handle) )
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{
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const WindowState& win = s_window[handle.idx];
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_state = win;
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if (handle.idx == 0)
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{
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inputSetMouseResolution(win.m_width, win.m_height);
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}
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}
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if (_reset != s_reset)
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{
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_reset = s_reset;
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bgfx::reset(s_window[0].m_width, s_window[0].m_height, _reset);
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inputSetMouseResolution(s_window[0].m_width, s_window[0].m_height);
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}
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_debug = s_debug;
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return s_exit;
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}
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bx::FileReaderI* getFileReader()
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{
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return s_fileReader;
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}
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bx::FileWriterI* getFileWriter()
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{
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return s_fileWriter;
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}
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bx::ReallocatorI* getAllocator()
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{
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return s_allocator;
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}
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void* TinyStlAllocator::static_allocate(size_t _bytes)
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{
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return BX_ALLOC(getAllocator(), _bytes);
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}
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void TinyStlAllocator::static_deallocate(void* _ptr, size_t /*_bytes*/)
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{
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if (NULL != _ptr)
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{
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BX_FREE(getAllocator(), _ptr);
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}
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}
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} // namespace entry
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extern "C" bool entry_process_events(uint32_t* _width, uint32_t* _height, uint32_t* _debug, uint32_t* _reset)
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{
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return entry::processEvents(*_width, *_height, *_debug, *_reset, NULL);
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}
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