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raze/source/common/platform/win32/i_system.cpp
Christoph Oelckers ebe936f03f - moved platform backend code to 'common'.
2020-05-26 00:09:27 +02:00

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/*
** i_system.cpp
** Timers, pre-console output, IWAD selection, and misc system routines.
**
**---------------------------------------------------------------------------
** Copyright 1998-2009 Randy Heit
** Copyright (C) 2007-2012 Skulltag Development Team
** Copyright (C) 2007-2016 Zandronum Development Team
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
** 4. Redistributions in any form must be accompanied by information on how to
** obtain complete source code for the software and any accompanying software
** that uses the software. The source code must either be included in the
** distribution or be available for no more than the cost of distribution plus
** a nominal fee, and must be freely redistributable under reasonable
** conditions. For an executable file, complete source code means the source
** code for all modules it contains. It does not include source code for
** modules or files that typically accompany the major components of the
** operating system on which the executable file runs.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
// HEADER FILES ------------------------------------------------------------
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <process.h>
#include <time.h>
#include <map>
#include <stdarg.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <mmsystem.h>
#include <richedit.h>
#include <wincrypt.h>
#include <shlwapi.h>
#include "hardware.h"
#include "printf.h"
#include "version.h"
#include "i_sound.h"
#include "resource.h"
#include "stats.h"
#include "v_text.h"
#include "utf8.h"
#include "i_input.h"
#include "c_dispatch.h"
#include "templates.h"
#include "gameconfigfile.h"
#include "v_font.h"
#include "i_system.h"
#include "bitmap.h"
#include "cmdlib.h"
#include "i_interface.h"
// MACROS ------------------------------------------------------------------
#ifdef _MSC_VER
// Turn off "conversion from 'LONG_PTR' to 'LONG', possible loss of data"
// generated by SetClassLongPtr().
#pragma warning(disable:4244)
#endif
// TYPES -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
extern void LayoutMainWindow(HWND hWnd, HWND pane);
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
void DestroyCustomCursor();
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
static HCURSOR CreateCompatibleCursor(FBitmap &cursorpic, int leftofs, int topofs);
static HCURSOR CreateAlphaCursor(FBitmap &cursorpic, int leftofs, int topofs);
static HCURSOR CreateBitmapCursor(int xhot, int yhot, HBITMAP and_mask, HBITMAP color_mask);
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
EXTERN_CVAR (Bool, queryiwad);
// Used on welcome/IWAD screen.
EXTERN_CVAR (Bool, disableautoload)
EXTERN_CVAR (Bool, autoloadlights)
EXTERN_CVAR (Bool, autoloadbrightmaps)
EXTERN_CVAR (Int, vid_preferbackend)
extern HWND Window, ConWindow, GameTitleWindow;
extern HANDLE StdOut;
extern bool FancyStdOut;
extern HINSTANCE g_hInst;
extern FILE *Logfile;
extern bool NativeMouse;
extern bool ConWindowHidden;
// PUBLIC DATA DEFINITIONS -------------------------------------------------
CVAR (String, queryiwad_key, "shift", CVAR_GLOBALCONFIG|CVAR_ARCHIVE);
CVAR (Bool, con_debugoutput, false, 0);
double PerfToSec, PerfToMillisec;
UINT TimerPeriod;
int sys_ostype = 0;
// PRIVATE DATA DEFINITIONS ------------------------------------------------
static WadStuff *WadList;
static int NumWads;
static int DefaultWad;
static HCURSOR CustomCursor;
//==========================================================================
//
// I_DetectOS
//
// Determine which version of Windows the game is running on.
//
//==========================================================================
void I_DetectOS(void)
{
OSVERSIONINFOEX info;
const char *osname;
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
if (!GetVersionEx((OSVERSIONINFO *)&info))
{
// Retry with the older OSVERSIONINFO structure.
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx((OSVERSIONINFO *)&info);
}
switch (info.dwPlatformId)
{
case VER_PLATFORM_WIN32_NT:
osname = "NT";
if (info.dwMajorVersion == 6)
{
if (info.dwMinorVersion == 0)
{
osname = (info.wProductType == VER_NT_WORKSTATION) ? "Vista" : "Server 2008";
sys_ostype = 2; // legacy OS
}
else if (info.dwMinorVersion == 1)
{
osname = (info.wProductType == VER_NT_WORKSTATION) ? "7" : "Server 2008 R2";
sys_ostype = 2; // supported OS
}
else if (info.dwMinorVersion == 2)
{
// Starting with Windows 8.1, you need to specify in your manifest
// the highest version of Windows you support, which will also be the
// highest version of Windows this function returns.
osname = (info.wProductType == VER_NT_WORKSTATION) ? "8" : "Server 2012";
sys_ostype = 2; // supported OS
}
else if (info.dwMinorVersion == 3)
{
osname = (info.wProductType == VER_NT_WORKSTATION) ? "8.1" : "Server 2012 R2";
sys_ostype = 2; // supported OS
}
else if (info.dwMinorVersion == 4)
{
osname = (info.wProductType == VER_NT_WORKSTATION) ? "10 (beta)" : "Server 2016 (beta)";
}
}
else if (info.dwMajorVersion == 10)
{
osname = (info.wProductType == VER_NT_WORKSTATION) ? "10 (or higher)" : "Server 2016 (or higher)";
sys_ostype = 3; // modern OS
}
break;
default:
osname = "Unknown OS";
break;
}
if (!batchrun) Printf ("OS: Windows %s (NT %lu.%lu) Build %lu\n %s\n",
osname,
info.dwMajorVersion, info.dwMinorVersion,
info.dwBuildNumber, info.szCSDVersion);
}
//==========================================================================
//
// CalculateCPUSpeed
//
// Make a decent guess at how much time elapses between TSC steps. This can
// vary over runtime depending on power management settings, so should not
// be used anywhere that truely accurate timing actually matters.
//
//==========================================================================
void CalculateCPUSpeed()
{
LARGE_INTEGER freq;
QueryPerformanceFrequency (&freq);
if (freq.QuadPart != 0)
{
LARGE_INTEGER count1, count2;
cycle_t ClockCalibration;
DWORD min_diff;
ClockCalibration.Reset();
// Count cycles for at least 55 milliseconds.
// The performance counter may be very low resolution compared to CPU
// speeds today, so the longer we count, the more accurate our estimate.
// On the other hand, we don't want to count too long, because we don't
// want the user to notice us spend time here, since most users will
// probably never use the performance statistics.
min_diff = freq.LowPart * 11 / 200;
// Minimize the chance of task switching during the testing by going very
// high priority. This is another reason to avoid timing for too long.
SetPriorityClass(GetCurrentProcess(), REALTIME_PRIORITY_CLASS);
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL);
// Make sure we start timing on a counter boundary.
QueryPerformanceCounter(&count1);
do { QueryPerformanceCounter(&count2); } while (count1.QuadPart == count2.QuadPart);
// Do the timing loop.
ClockCalibration.Clock();
do { QueryPerformanceCounter(&count1); } while ((count1.QuadPart - count2.QuadPart) < min_diff);
ClockCalibration.Unclock();
SetPriorityClass(GetCurrentProcess(), NORMAL_PRIORITY_CLASS);
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_NORMAL);
PerfToSec = double(count1.QuadPart - count2.QuadPart) / (double(ClockCalibration.GetRawCounter()) * freq.QuadPart);
PerfToMillisec = PerfToSec * 1000.0;
}
if (!batchrun) Printf ("CPU speed: %.0f MHz\n", 0.001 / PerfToMillisec);
}
//==========================================================================
//
// I_PrintStr
//
// Send output to the list box shown during startup (and hidden during
// gameplay).
//
//==========================================================================
static void DoPrintStr(const char *cpt, HWND edit, HANDLE StdOut)
{
if (edit == nullptr && StdOut == nullptr && !con_debugoutput)
return;
wchar_t wbuf[256];
int bpos = 0;
CHARRANGE selection;
CHARRANGE endselection;
LONG lines_before = 0, lines_after;
CHARFORMAT format;
if (edit != NULL)
{
// Store the current selection and set it to the end so we can append text.
SendMessage(edit, EM_EXGETSEL, 0, (LPARAM)&selection);
endselection.cpMax = endselection.cpMin = GetWindowTextLength(edit);
SendMessage(edit, EM_EXSETSEL, 0, (LPARAM)&endselection);
// GetWindowTextLength and EM_EXSETSEL can disagree on where the end of
// the text is. Find out what EM_EXSETSEL thought it was and use that later.
SendMessage(edit, EM_EXGETSEL, 0, (LPARAM)&endselection);
// Remember how many lines there were before we added text.
lines_before = (LONG)SendMessage(edit, EM_GETLINECOUNT, 0, 0);
}
const uint8_t *cptr = (const uint8_t*)cpt;
auto outputIt = [&]()
{
wbuf[bpos] = 0;
if (edit != nullptr)
{
SendMessageW(edit, EM_REPLACESEL, FALSE, (LPARAM)wbuf);
}
if (con_debugoutput)
{
OutputDebugStringW(wbuf);
}
if (StdOut != nullptr)
{
// Convert back to UTF-8.
DWORD bytes_written;
if (!FancyStdOut)
{
FString conout(wbuf);
WriteFile(StdOut, conout.GetChars(), (DWORD)conout.Len(), &bytes_written, NULL);
}
else
{
WriteConsoleW(StdOut, wbuf, bpos, &bytes_written, nullptr);
}
}
bpos = 0;
};
while (int chr = GetCharFromString(cptr))
{
if ((chr == TEXTCOLOR_ESCAPE && bpos != 0) || bpos == 255)
{
outputIt();
}
if (chr != TEXTCOLOR_ESCAPE)
{
if (chr >= 0x1D && chr <= 0x1F)
{ // The bar characters, most commonly used to indicate map changes
chr = 0x2550; // Box Drawings Double Horizontal
}
wbuf[bpos++] = chr;
}
else
{
EColorRange range = V_ParseFontColor(cptr, CR_UNTRANSLATED, CR_YELLOW);
if (range != CR_UNDEFINED)
{
// Change the color of future text added to the control.
PalEntry color = V_LogColorFromColorRange(range);
if (StdOut != NULL && FancyStdOut)
{
// Unfortunately, we are pretty limited here: There are only
// eight basic colors, and each comes in a dark and a bright
// variety.
float h, s, v, r, g, b;
int attrib = 0;
RGBtoHSV(color.r / 255.f, color.g / 255.f, color.b / 255.f, &h, &s, &v);
if (s != 0)
{ // color
HSVtoRGB(&r, &g, &b, h, 1, 1);
if (r == 1) attrib = FOREGROUND_RED;
if (g == 1) attrib |= FOREGROUND_GREEN;
if (b == 1) attrib |= FOREGROUND_BLUE;
if (v > 0.6) attrib |= FOREGROUND_INTENSITY;
}
else
{ // gray
if (v < 0.33) attrib = FOREGROUND_INTENSITY;
else if (v < 0.90) attrib = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
else attrib = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY;
}
SetConsoleTextAttribute(StdOut, (WORD)attrib);
}
if (edit != NULL)
{
// GDI uses BGR colors, but color is RGB, so swap the R and the B.
std::swap(color.r, color.b);
// Change the color.
format.cbSize = sizeof(format);
format.dwMask = CFM_COLOR;
format.dwEffects = 0;
format.crTextColor = color;
SendMessage(edit, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&format);
}
}
}
}
if (bpos != 0)
{
outputIt();
}
if (edit != NULL)
{
// If the old selection was at the end of the text, keep it at the end and
// scroll. Don't scroll if the selection is anywhere else.
if (selection.cpMin == endselection.cpMin && selection.cpMax == endselection.cpMax)
{
selection.cpMax = selection.cpMin = GetWindowTextLength (edit);
lines_after = (LONG)SendMessage(edit, EM_GETLINECOUNT, 0, 0);
if (lines_after > lines_before)
{
SendMessage(edit, EM_LINESCROLL, 0, lines_after - lines_before);
}
}
// Restore the previous selection.
SendMessage(edit, EM_EXSETSEL, 0, (LPARAM)&selection);
// Give the edit control a chance to redraw itself.
I_GetEvent();
}
if (StdOut != NULL && FancyStdOut)
{ // Set text back to gray, in case it was changed.
SetConsoleTextAttribute(StdOut, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
}
}
static TArray<FString> bufferedConsoleStuff;
void I_PrintStr(const char *cp)
{
if (ConWindowHidden)
{
bufferedConsoleStuff.Push(cp);
DoPrintStr(cp, NULL, StdOut);
}
else
{
DoPrintStr(cp, ConWindow, StdOut);
}
}
void I_FlushBufferedConsoleStuff()
{
for (unsigned i = 0; i < bufferedConsoleStuff.Size(); i++)
{
DoPrintStr(bufferedConsoleStuff[i], ConWindow, NULL);
}
bufferedConsoleStuff.Clear();
}
//==========================================================================
//
// SetQueryIWAD
//
// The user had the "Don't ask again" box checked when they closed the
// IWAD selection dialog.
//
//==========================================================================
static void SetQueryIWad(HWND dialog)
{
HWND checkbox = GetDlgItem(dialog, IDC_DONTASKIWAD);
int state = (int)SendMessage(checkbox, BM_GETCHECK, 0, 0);
bool query = (state != BST_CHECKED);
if (!query && queryiwad)
{
MessageBoxA(dialog,
"You have chosen not to show this dialog box in the future.\n"
"If you wish to see it again, hold down SHIFT while starting " GAMENAME ".",
"Don't ask me this again",
MB_OK | MB_ICONINFORMATION);
}
queryiwad = query;
}
//==========================================================================
//
// IWADBoxCallback
//
// Dialog proc for the IWAD selector.
//
//==========================================================================
BOOL CALLBACK IWADBoxCallback(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
HWND ctrl;
int i;
switch (message)
{
case WM_INITDIALOG:
// Add our program name to the window title
{
WCHAR label[256];
FString newlabel;
GetWindowTextW(hDlg, label, countof(label));
FString alabel(label);
newlabel.Format(GAMENAME " %s: %s", GetVersionString(), alabel.GetChars());
auto wlabel = newlabel.WideString();
SetWindowTextW(hDlg, wlabel.c_str());
}
// [SP] Upstreamed from Zandronum
char szString[256];
// Check the current video settings.
//SendDlgItemMessage( hDlg, vid_renderer ? IDC_WELCOME_OPENGL : IDC_WELCOME_SOFTWARE, BM_SETCHECK, BST_CHECKED, 0 );
SendDlgItemMessage( hDlg, IDC_WELCOME_FULLSCREEN, BM_SETCHECK, vid_fullscreen ? BST_CHECKED : BST_UNCHECKED, 0 );
switch (vid_preferbackend)
{
case 1:
SendDlgItemMessage( hDlg, IDC_WELCOME_VULKAN2, BM_SETCHECK, BST_CHECKED, 0 );
break;
case 2:
SendDlgItemMessage( hDlg, IDC_WELCOME_VULKAN3, BM_SETCHECK, BST_CHECKED, 0 );
break;
default:
SendDlgItemMessage( hDlg, IDC_WELCOME_VULKAN1, BM_SETCHECK, BST_CHECKED, 0 );
break;
}
// [SP] This is our's
SendDlgItemMessage( hDlg, IDC_WELCOME_NOAUTOLOAD, BM_SETCHECK, disableautoload ? BST_CHECKED : BST_UNCHECKED, 0 );
SendDlgItemMessage( hDlg, IDC_WELCOME_LIGHTS, BM_SETCHECK, autoloadlights ? BST_CHECKED : BST_UNCHECKED, 0 );
SendDlgItemMessage( hDlg, IDC_WELCOME_BRIGHTMAPS, BM_SETCHECK, autoloadbrightmaps ? BST_CHECKED : BST_UNCHECKED, 0 );
// Set up our version string.
sprintf(szString, "Version %s.", GetVersionString());
SetDlgItemTextA (hDlg, IDC_WELCOME_VERSION, szString);
// Populate the list with all the IWADs found
ctrl = GetDlgItem(hDlg, IDC_IWADLIST);
for (i = 0; i < NumWads; i++)
{
const char *filepart = strrchr(WadList[i].Path, '/');
if (filepart == NULL)
filepart = WadList[i].Path;
else
filepart++;
FString work;
if (*filepart) work.Format("%s (%s)", WadList[i].Name.GetChars(), filepart);
else work = WadList[i].Name.GetChars();
std::wstring wide = work.WideString();
SendMessage(ctrl, LB_ADDSTRING, 0, (LPARAM)wide.c_str());
SendMessage(ctrl, LB_SETITEMDATA, i, (LPARAM)i);
}
SendMessage(ctrl, LB_SETCURSEL, DefaultWad, 0);
SetFocus(ctrl);
// Set the state of the "Don't ask me again" checkbox
ctrl = GetDlgItem(hDlg, IDC_DONTASKIWAD);
SendMessage(ctrl, BM_SETCHECK, queryiwad ? BST_UNCHECKED : BST_CHECKED, 0);
// Make sure the dialog is in front. If SHIFT was pressed to force it visible,
// then the other window will normally be on top.
SetForegroundWindow(hDlg);
break;
case WM_COMMAND:
if (LOWORD(wParam) == IDCANCEL)
{
EndDialog (hDlg, -1);
}
else if (LOWORD(wParam) == IDOK ||
(LOWORD(wParam) == IDC_IWADLIST && HIWORD(wParam) == LBN_DBLCLK))
{
SetQueryIWad(hDlg);
// [SP] Upstreamed from Zandronum
vid_fullscreen = SendDlgItemMessage( hDlg, IDC_WELCOME_FULLSCREEN, BM_GETCHECK, 0, 0 ) == BST_CHECKED;
if (SendDlgItemMessage(hDlg, IDC_WELCOME_VULKAN3, BM_GETCHECK, 0, 0) == BST_CHECKED)
vid_preferbackend = 2;
else if (SendDlgItemMessage(hDlg, IDC_WELCOME_VULKAN2, BM_GETCHECK, 0, 0) == BST_CHECKED)
vid_preferbackend = 1;
else if (SendDlgItemMessage(hDlg, IDC_WELCOME_VULKAN1, BM_GETCHECK, 0, 0) == BST_CHECKED)
vid_preferbackend = 0;
// [SP] This is our's.
disableautoload = SendDlgItemMessage( hDlg, IDC_WELCOME_NOAUTOLOAD, BM_GETCHECK, 0, 0 ) == BST_CHECKED;
autoloadlights = SendDlgItemMessage( hDlg, IDC_WELCOME_LIGHTS, BM_GETCHECK, 0, 0 ) == BST_CHECKED;
autoloadbrightmaps = SendDlgItemMessage( hDlg, IDC_WELCOME_BRIGHTMAPS, BM_GETCHECK, 0, 0 ) == BST_CHECKED;
ctrl = GetDlgItem (hDlg, IDC_IWADLIST);
EndDialog(hDlg, SendMessage (ctrl, LB_GETCURSEL, 0, 0));
}
break;
}
return FALSE;
}
//==========================================================================
//
// I_PickIWad
//
// Open a dialog to pick the IWAD, if there is more than one found.
//
//==========================================================================
int I_PickIWad(WadStuff *wads, int numwads, bool showwin, int defaultiwad)
{
int vkey;
if (stricmp(queryiwad_key, "shift") == 0)
{
vkey = VK_SHIFT;
}
else if (stricmp(queryiwad_key, "control") == 0 || stricmp (queryiwad_key, "ctrl") == 0)
{
vkey = VK_CONTROL;
}
else
{
vkey = 0;
}
if (showwin || (vkey != 0 && GetAsyncKeyState(vkey)))
{
WadList = wads;
NumWads = numwads;
DefaultWad = defaultiwad;
return (int)DialogBox(g_hInst, MAKEINTRESOURCE(IDD_IWADDIALOG),
(HWND)Window, (DLGPROC)IWADBoxCallback);
}
return defaultiwad;
}
//==========================================================================
//
// I_SetCursor
//
// Returns true if the cursor was successfully changed.
//
//==========================================================================
bool I_SetCursor(FGameTexture *cursorpic)
{
HCURSOR cursor;
if (cursorpic != NULL && cursorpic->isValid())
{
auto image = cursorpic->GetTexture()->GetBgraBitmap(nullptr);
// Must be no larger than 32x32. (is this still necessary?
if (image.GetWidth() > 32 || image.GetHeight() > 32)
{
return false;
}
// Fixme: This should get a raw image, not a texture. (Once raw images get implemented.)
int lo = cursorpic->GetTexelLeftOffset();
int to = cursorpic->GetTexelTopOffset();
cursor = CreateAlphaCursor(image, lo, to);
if (cursor == NULL)
{
cursor = CreateCompatibleCursor(image, lo, to);
}
if (cursor == NULL)
{
return false;
}
// Replace the existing cursor with the new one.
DestroyCustomCursor();
CustomCursor = cursor;
}
else
{
DestroyCustomCursor();
cursor = LoadCursor(NULL, IDC_ARROW);
}
SetClassLongPtr(Window, GCLP_HCURSOR, (LONG_PTR)cursor);
if (NativeMouse)
{
POINT pt;
RECT client;
// If the mouse pointer is within the window's client rect, set it now.
if (GetCursorPos(&pt) && GetClientRect(Window, &client) &&
ClientToScreen(Window, (LPPOINT)&client.left) &&
ClientToScreen(Window, (LPPOINT)&client.right))
{
if (pt.x >= client.left && pt.x < client.right &&
pt.y >= client.top && pt.y < client.bottom)
{
SetCursor(cursor);
}
}
}
return true;
}
//==========================================================================
//
// CreateCompatibleCursor
//
// Creates a cursor with a 1-bit alpha channel.
//
//==========================================================================
static HCURSOR CreateCompatibleCursor(FBitmap &bmp, int leftofs, int topofs)
{
int picwidth = bmp.GetWidth();
int picheight = bmp.GetHeight();
// Create bitmap masks for the cursor from the texture.
HDC dc = GetDC(NULL);
if (dc == NULL)
{
return nullptr;
}
HDC and_mask_dc = CreateCompatibleDC(dc);
HDC xor_mask_dc = CreateCompatibleDC(dc);
HBITMAP and_mask = CreateCompatibleBitmap(dc, 32, 32);
HBITMAP xor_mask = CreateCompatibleBitmap(dc, 32, 32);
ReleaseDC(NULL, dc);
SelectObject(and_mask_dc, and_mask);
SelectObject(xor_mask_dc, xor_mask);
// Initialize with an invisible cursor.
SelectObject(and_mask_dc, GetStockObject(WHITE_PEN));
SelectObject(and_mask_dc, GetStockObject(WHITE_BRUSH));
Rectangle(and_mask_dc, 0, 0, 32, 32);
SelectObject(xor_mask_dc, GetStockObject(BLACK_PEN));
SelectObject(xor_mask_dc, GetStockObject(BLACK_BRUSH));
Rectangle(xor_mask_dc, 0, 0, 32, 32);
const uint8_t *pixels = bmp.GetPixels();
// Copy color data from the source texture to the cursor bitmaps.
for (int y = 0; y < picheight; ++y)
{
for (int x = 0; x < picwidth; ++x)
{
const uint8_t *bgra = &pixels[x*4 + y*bmp.GetPitch()];
if (bgra[3] != 0)
{
SetPixelV(and_mask_dc, x, y, RGB(0,0,0));
SetPixelV(xor_mask_dc, x, y, RGB(bgra[2], bgra[1], bgra[0]));
}
}
}
DeleteDC(and_mask_dc);
DeleteDC(xor_mask_dc);
// Create the cursor from the bitmaps.
return CreateBitmapCursor(leftofs, topofs, and_mask, xor_mask);
}
//==========================================================================
//
// CreateAlphaCursor
//
// Creates a cursor with a full alpha channel.
//
//==========================================================================
static HCURSOR CreateAlphaCursor(FBitmap &source, int leftofs, int topofs)
{
HDC dc;
BITMAPV5HEADER bi;
HBITMAP color, mono;
void *bits;
// Find closest integer scale factor for the monitor DPI
HDC screenDC = GetDC(0);
int dpi = GetDeviceCaps(screenDC, LOGPIXELSX);
int scale = std::max((dpi + 96 / 2 - 1) / 96, 1);
ReleaseDC(0, screenDC);
memset(&bi, 0, sizeof(bi));
bi.bV5Size = sizeof(bi);
bi.bV5Width = 32 * scale;
bi.bV5Height = 32 * scale;
bi.bV5Planes = 1;
bi.bV5BitCount = 32;
bi.bV5Compression = BI_BITFIELDS;
bi.bV5RedMask = 0x00FF0000;
bi.bV5GreenMask = 0x0000FF00;
bi.bV5BlueMask = 0x000000FF;
bi.bV5AlphaMask = 0xFF000000;
dc = GetDC(NULL);
if (dc == NULL)
{
return NULL;
}
// Create the DIB section with an alpha channel.
color = CreateDIBSection(dc, (BITMAPINFO *)&bi, DIB_RGB_COLORS, &bits, NULL, 0);
ReleaseDC(NULL, dc);
if (color == NULL)
{
return NULL;
}
// Create an empty mask bitmap, since CreateIconIndirect requires this.
mono = CreateBitmap(32 * scale, 32 * scale, 1, 1, NULL);
if (mono == NULL)
{
DeleteObject(color);
return NULL;
}
// Copy cursor to the color bitmap. Note that GDI bitmaps are upside down compared
// to normal conventions, so we create the FBitmap pointing at the last row and use
// a negative pitch so that Blit will use GDI's orientation.
if (scale == 1)
{
FBitmap bmp((uint8_t *)bits + 31 * 32 * 4, -32 * 4, 32, 32);
bmp.Blit(0, 0, source);
}
else
{
TArray<uint32_t> unscaled;
unscaled.Resize(32 * 32);
for (int i = 0; i < 32 * 32; i++) unscaled[i] = 0;
FBitmap bmp((uint8_t *)&unscaled[0] + 31 * 32 * 4, -32 * 4, 32, 32);
bmp.Blit(0, 0, source);
uint32_t *scaled = (uint32_t*)bits;
for (int y = 0; y < 32 * scale; y++)
{
for (int x = 0; x < 32 * scale; x++)
{
scaled[x + y * 32 * scale] = unscaled[x / scale + y / scale * 32];
}
}
}
return CreateBitmapCursor(leftofs * scale, topofs * scale, mono, color);
}
//==========================================================================
//
// CreateBitmapCursor
//
// Create the cursor from the bitmaps. Deletes the bitmaps before returning.
//
//==========================================================================
static HCURSOR CreateBitmapCursor(int xhot, int yhot, HBITMAP and_mask, HBITMAP color_mask)
{
ICONINFO iconinfo =
{
FALSE, // fIcon
(DWORD)xhot, // xHotspot
(DWORD)yhot, // yHotspot
and_mask, // hbmMask
color_mask // hbmColor
};
HCURSOR cursor = CreateIconIndirect(&iconinfo);
// Delete the bitmaps.
DeleteObject(and_mask);
DeleteObject(color_mask);
return cursor;
}
//==========================================================================
//
// DestroyCustomCursor
//
//==========================================================================
void DestroyCustomCursor()
{
if (CustomCursor != NULL)
{
DestroyCursor(CustomCursor);
CustomCursor = NULL;
}
}
//==========================================================================
//
// I_WriteIniFailed
//
// Display a message when the config failed to save.
//
//==========================================================================
bool I_WriteIniFailed()
{
char *lpMsgBuf;
FString errortext;
FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPSTR)&lpMsgBuf,
0,
NULL
);
errortext.Format ("The config file %s could not be written:\n%s", GameConfig->GetPathName(), lpMsgBuf);
LocalFree (lpMsgBuf);
return MessageBoxA(Window, errortext.GetChars(), GAMENAME " configuration not saved", MB_ICONEXCLAMATION | MB_RETRYCANCEL) == IDRETRY;
}
//==========================================================================
//
// I_MakeRNGSeed
//
// Returns a 32-bit random seed, preferably one with lots of entropy.
//
//==========================================================================
unsigned int I_MakeRNGSeed()
{
unsigned int seed;
// If RtlGenRandom is available, use that to avoid increasing the
// working set by pulling in all of the crytographic API.
HMODULE advapi = GetModuleHandleA("advapi32.dll");
if (advapi != NULL)
{
BOOLEAN (APIENTRY *RtlGenRandom)(void *, ULONG) =
(BOOLEAN (APIENTRY *)(void *, ULONG))GetProcAddress(advapi, "SystemFunction036");
if (RtlGenRandom != NULL)
{
if (RtlGenRandom(&seed, sizeof(seed)))
{
return seed;
}
}
}
// Use the full crytographic API to produce a seed. If that fails,
// time() is used as a fallback.
HCRYPTPROV prov;
if (!CryptAcquireContext(&prov, NULL, MS_DEF_PROV, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
{
return (unsigned int)time(NULL);
}
if (!CryptGenRandom(prov, sizeof(seed), (uint8_t *)&seed))
{
seed = (unsigned int)time(NULL);
}
CryptReleaseContext(prov, 0);
return seed;
}
//==========================================================================
//
// I_GetLongPathName
//
// Returns the long version of the path, or the original if there isn't
// anything worth changing.
//
//==========================================================================
FString I_GetLongPathName(const FString &shortpath)
{
std::wstring wshortpath = shortpath.WideString();
DWORD buffsize = GetLongPathNameW(wshortpath.c_str(), nullptr, 0);
if (buffsize == 0)
{ // nothing to change (it doesn't exist, maybe?)
return shortpath;
}
TArray<WCHAR> buff(buffsize, true);
DWORD buffsize2 = GetLongPathNameW(wshortpath.c_str(), buff.Data(), buffsize);
if (buffsize2 >= buffsize)
{ // Failure! Just return the short path
return shortpath;
}
FString longpath(buff.Data());
return longpath;
}
#ifdef _USING_V110_SDK71_
//==========================================================================
//
// _stat64i32
//
// Work around an issue where stat() function doesn't work
// with Windows XP compatible toolset.
// It uses GetFileInformationByHandleEx() which requires Windows Vista.
//
//==========================================================================
int _wstat64i32(const wchar_t *path, struct _stat64i32 *buffer)
{
WIN32_FILE_ATTRIBUTE_DATA data;
if(!GetFileAttributesExW(path, GetFileExInfoStandard, &data))
return -1;
buffer->st_ino = 0;
buffer->st_mode = ((data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? S_IFDIR : S_IFREG)|
((data.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? S_IREAD : S_IREAD|S_IWRITE);
buffer->st_dev = buffer->st_rdev = 0;
buffer->st_nlink = 1;
buffer->st_uid = 0;
buffer->st_gid = 0;
buffer->st_size = data.nFileSizeLow;
buffer->st_atime = (*(uint64_t*)&data.ftLastAccessTime) / 10000000 - 11644473600LL;
buffer->st_mtime = (*(uint64_t*)&data.ftLastWriteTime) / 10000000 - 11644473600LL;
buffer->st_ctime = (*(uint64_t*)&data.ftCreationTime) / 10000000 - 11644473600LL;
return 0;
}
#endif
struct NumaNode
{
uint64_t affinityMask = 0;
int threadCount = 0;
};
static TArray<NumaNode> numaNodes;
static void SetupNumaNodes()
{
if (numaNodes.Size() == 0)
{
// Query processors in the system
DWORD_PTR processMask = 0, systemMask = 0;
BOOL result = GetProcessAffinityMask(GetCurrentProcess(), &processMask, &systemMask);
if (result)
{
// Find the numa node each processor belongs to
std::map<int, NumaNode> nodes;
for (int i = 0; i < sizeof(DWORD_PTR) * 8; i++)
{
DWORD_PTR processorMask = (((DWORD_PTR)1) << i);
if (processMask & processorMask)
{
UCHAR nodeNumber = 0;
result = GetNumaProcessorNode(i, &nodeNumber);
if (nodeNumber != 0xff)
{
nodes[nodeNumber].affinityMask |= (uint64_t)processorMask;
nodes[nodeNumber].threadCount++;
}
}
}
// Convert map to a list
for (const auto &it : nodes)
{
numaNodes.Push(it.second);
}
}
// Fall back to a single node if something went wrong
if (numaNodes.Size() == 0)
{
NumaNode node;
node.threadCount = std::thread::hardware_concurrency();
if (node.threadCount == 0)
node.threadCount = 1;
numaNodes.Push(node);
}
}
}
int I_GetNumaNodeCount()
{
SetupNumaNodes();
return numaNodes.Size();
}
int I_GetNumaNodeThreadCount(int numaNode)
{
SetupNumaNodes();
return numaNodes[numaNode].threadCount;
}
void I_SetThreadNumaNode(std::thread &thread, int numaNode)
{
if (numaNodes.Size() > 1)
{
HANDLE handle = (HANDLE)thread.native_handle();
SetThreadAffinityMask(handle, (DWORD_PTR)numaNodes[numaNode].affinityMask);
}
}
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