ref: 1b9c2d36629a7df8671f273c33bd68f33ddfe6e6
dir: /src/Generic.cpp/
// THIS IS DECOMPILED PROPRIETARY CODE - USE AT YOUR OWN RISK.
//
// The original code belongs to Daisuke "Pixel" Amaya.
//
// Modifications and custom code are under the MIT licence.
// See LICENCE.txt for details.
#include "Generic.h"
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include "WindowsWrapper.h"
#include "Main.h"
void GetCompileDate(int *year, int *month, int *day)
{
int i;
char strMonth[0x10];
const char *table[13] = {
"XXX",
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec",
};
sscanf(__DATE__, "%s %d %d", strMonth, day, year); // The expansion of __DATE__ is not reproductible. TODO : Think about changing this to be reproductible
for (i = 0; i < 12; ++i) // This being 12 instead of 13 might be a bug, but it works anyway by accident
if (!memcmp(&strMonth, table[i], 3))
break;
*month = i;
}
// TODO - Inaccurate stack frame
BOOL GetCompileVersion(int *v1, int *v2, int *v3, int *v4)
{
unsigned int puLen;
VS_FIXEDFILEINFO *lpBuffer;
DWORD dwHandle;
DWORD dwLen;
char path[MAX_PATH];
LPVOID lpData;
BOOL bResult;
lpData = NULL;
bResult = FALSE;
GetModuleFileNameA(NULL, path, sizeof(path));
dwLen = GetFileVersionInfoSizeA(path, &dwHandle);
if (dwLen == 0)
goto fail;
lpData = malloc(dwLen);
if (lpData == NULL)
goto fail;
if (!GetFileVersionInfoA(path, 0, dwLen, lpData))
goto fail;
if (!VerQueryValueA(lpData, "\\", (LPVOID*)&lpBuffer, &puLen))
goto fail;
*v1 = (unsigned short)(lpBuffer->dwFileVersionMS >> 16);
*v2 = (unsigned short)(lpBuffer->dwFileVersionMS & 0xFFFF);
*v3 = (unsigned short)(lpBuffer->dwFileVersionLS >> 16);
*v4 = (unsigned short)(lpBuffer->dwFileVersionLS & 0xFFFF);
bResult = TRUE;
fail:
if (lpData != NULL)
free(lpData);
return bResult;
}
// This seems to be broken in recent Windows (Sndvol32.exe was renamed 'SndVol.exe')
// TODO - Inaccurate stack frame
BOOL OpenSoundVolume(HWND hWnd)
{
#ifdef FIX_BUGS
char path[MAX_PATH];
char path2[MAX_PATH];
char path3[MAX_PATH];
INT_PTR error;
size_t i;
GetSystemDirectoryA(path, sizeof(path));
GetSystemDirectoryA(path2, sizeof(path2));
i = strlen(path2);
while (path2[i] != '\\')
--i;
path2[i] = '\0';
sprintf(path3, "%s\\Sndvol32.exe", path);
error = (INT_PTR)ShellExecuteA(hWnd, "open", path3, NULL, NULL, SW_SHOW);
if (error > 32)
return TRUE;
sprintf(path3, "%s\\Sndvol32.exe", path2);
error = (INT_PTR)ShellExecuteA(hWnd, "open", path3, NULL, NULL, SW_SHOW);
if (error > 32)
return TRUE;
sprintf(path3, "%s\\Sndvol.exe", path);
error = (INT_PTR)ShellExecuteA(hWnd, "open", path3, NULL, NULL, SW_SHOW);
if (error > 32)
return TRUE;
sprintf(path3, "%s\\Sndvol.exe", path2);
error = (INT_PTR)ShellExecuteA(hWnd, "open", path3, NULL, NULL, SW_SHOW);
if (error > 32)
return TRUE;
return FALSE;
#else
char path[MAX_PATH];
char path2[MAX_PATH];
char path3[MAX_PATH];
INT_PTR error1;
INT_PTR error2;
size_t i;
GetSystemDirectoryA(path, sizeof(path));
sprintf(path2, "%s\\Sndvol32.exe", path);
i = strlen(path);
while (path[i] != '\\')
--i;
path[i] = '\0';
sprintf(path3, "%s\\Sndvol32.exe", path);
error1 = (INT_PTR)ShellExecuteA(hWnd, "open", path2, NULL, NULL, SW_SHOW);
error2 = (INT_PTR)ShellExecuteA(hWnd, "open", path3, NULL, NULL, SW_SHOW);
if (error1 <= 32 && error2 <= 32)
return FALSE;
else
return TRUE;
#endif
}
void DeleteLog(void)
{
char path[MAX_PATH];
sprintf(path, "%s\\debug.txt", gModulePath);
DeleteFileA(path);
}
BOOL WriteLog(const char *string, int value1, int value2, int value3)
{
char path[MAX_PATH];
FILE *fp;
sprintf(path, "%s\\debug.txt", gModulePath);
fp = fopen(path, "a+t");
if (fp == NULL)
return FALSE;
fprintf(fp, "%s,%d,%d,%d\n", string, value1, value2, value3);
fclose(fp);
return TRUE;
}
/*
This function is a mystery. It seems to check if the system time is within
a certain range, specified by the two parameters. Nothing in the original game
uses this code.
This is just speculation, but this *might* have been used in those prototypes
Pixel released to testers, to prevent them from running after a certain date.
*/
int GetDateLimit(SYSTEMTIME *system_time_low, SYSTEMTIME *system_time_high)
{
FILETIME FileTime1;
FILETIME FileTime2;
SYSTEMTIME SystemTime;
GetSystemTime(&SystemTime);
SystemTimeToFileTime(&SystemTime, &FileTime1);
SystemTimeToFileTime(system_time_low, &FileTime2);
if (CompareFileTime(&FileTime2, &FileTime1) >= 0)
return -1; // Return if actual time is lower than system_time_low
SystemTimeToFileTime(system_time_high, &FileTime2);
if (CompareFileTime(&FileTime2, &FileTime1) <= 0)
return 1; // Return if actual time is higher than system_time_high
return 0;
}
BOOL IsKeyFile(const char *name)
{
char path[MAX_PATH];
FILE *fp;
sprintf(path, "%s\\%s", gModulePath, name);
fp = fopen(path, "rb");
if (fp == NULL)
return FALSE;
fclose(fp);
return TRUE;
}
long GetFileSizeLong(const char *path)
{
DWORD len;
HANDLE hFile;
len = 0;
hFile = CreateFileA(path, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
return INVALID_FILE_SIZE;
len = GetFileSize(hFile, NULL);
CloseHandle(hFile);
return len;
}
BOOL ErrorLog(const char *string, int value)
{
char path[MAX_PATH];
FILE *fp;
sprintf(path, "%s\\%s", gModulePath, "error.log");
if (GetFileSizeLong(path) > 0x19000) // Purge the error log if it gets too big, I guess
DeleteFileA(path);
fp = fopen(path, "a+t");
if (fp == NULL)
return FALSE;
fprintf(fp, "%s,%d\n", string, value);
fclose(fp);
return TRUE;
}
BOOL IsShiftJIS(unsigned char c)
{
if (c >= 0x81 && c <= 0x9F)
return TRUE;
if (c >= 0xE0 && c <= 0xEF)
return TRUE;
return FALSE;
}
// TODO - Inaccurate stack frame
BOOL CenteringWindowByParent(HWND hWnd)
{
RECT window_rect;
HWND parent_hwnd;
RECT parent_rect;
int x;
int y;
RECT child_rect;
SystemParametersInfoA(SPI_GETWORKAREA, 0, &child_rect, 0);
GetWindowRect(hWnd, &window_rect);
parent_hwnd = GetParent(hWnd);
if (parent_hwnd != NULL)
GetWindowRect(parent_hwnd, &parent_rect);
else
SystemParametersInfoA(SPI_GETWORKAREA, 0, &parent_rect, 0);
x = parent_rect.left + ((parent_rect.right - parent_rect.left) - (window_rect.right - window_rect.left)) / 2;
y = parent_rect.top + ((parent_rect.bottom - parent_rect.top) - (window_rect.bottom - window_rect.top)) / 2;
if (x < child_rect.left)
x = child_rect.left;
if (y < child_rect.top)
y = child_rect.top;
if (x + (window_rect.right - window_rect.left) > child_rect.right)
x = child_rect.right - (window_rect.right - window_rect.left);
if (y + (window_rect.bottom - window_rect.top) > child_rect.bottom)
y = child_rect.bottom - (window_rect.bottom - window_rect.top);
return SetWindowPos(hWnd, HWND_TOP, x, y, 0, 0, SWP_NOSIZE);
}
// TODO - Inaccurate stack frame
BOOL LoadWindowRect(HWND hWnd, const char *filename, BOOL unknown)
{
char path[MAX_PATH];
int min_window_width;
int min_window_height;
int max_window_width;
int max_window_height;
FILE *fp;
RECT Rect;
int showCmd;
RECT pvParam;
showCmd = SW_SHOWNORMAL;
sprintf(path, "%s\\%s", gModulePath, filename);
fp = fopen(path, "rb");
if (fp != NULL)
{
fread(&Rect, sizeof(RECT), 1, fp);
fread(&showCmd, sizeof(int), 1, fp);
fclose(fp);
SystemParametersInfoA(SPI_GETWORKAREA, 0, &pvParam, 0);
max_window_width = GetSystemMetrics(SM_CXMAXIMIZED);
max_window_height = GetSystemMetrics(SM_CYMAXIMIZED);
min_window_width = GetSystemMetrics(SM_CXMIN);
min_window_height = GetSystemMetrics(SM_CYMIN);
if (Rect.right - Rect.left < min_window_width)
Rect.right = Rect.left + min_window_width;
if (Rect.bottom - Rect.top < min_window_height)
Rect.bottom = Rect.top + min_window_height;
if (Rect.right - Rect.left > max_window_width)
Rect.right = Rect.left + max_window_width;
if (Rect.bottom - Rect.top > max_window_height)
Rect.bottom = Rect.top + max_window_width;
if (Rect.left < pvParam.left)
{
Rect.right += pvParam.left - Rect.left;
Rect.left = pvParam.left;
}
if (Rect.top < pvParam.top)
{
Rect.bottom += pvParam.top - Rect.top;
Rect.top = pvParam.top;
}
if (Rect.right > pvParam.right)
{
Rect.left -= Rect.right - pvParam.right;
Rect.right -= Rect.right - pvParam.right;
}
if (Rect.bottom > pvParam.bottom)
{
Rect.top -= Rect.bottom - pvParam.bottom;
Rect.bottom -= Rect.bottom - pvParam.bottom;
}
if (unknown)
MoveWindow(hWnd, Rect.left, Rect.top, Rect.right - Rect.left, Rect.bottom - Rect.top, 0);
else
SetWindowPos(hWnd, HWND_TOP, Rect.left, Rect.top, 0, 0, SWP_NOSIZE);
}
if (showCmd == SW_MAXIMIZE)
{
if (!ShowWindow(hWnd, SW_MAXIMIZE))
return FALSE;
}
else
{
ShowWindow(hWnd, SW_SHOWNORMAL);
}
return TRUE;
}
BOOL SaveWindowRect(HWND hWnd, const char *filename)
{
char path[MAX_PATH];
WINDOWPLACEMENT wndpl;
FILE *fp;
RECT rect;
if (!GetWindowPlacement(hWnd, &wndpl))
return FALSE;
if (wndpl.showCmd == SW_SHOWNORMAL)
{
if (!GetWindowRect(hWnd, &rect))
return FALSE;
wndpl.rcNormalPosition = rect;
}
sprintf(path, "%s\\%s", gModulePath, filename);
fp = fopen(path, "wb");
if (fp == NULL)
return FALSE;
fwrite(&wndpl.rcNormalPosition, sizeof(RECT), 1, fp);
fwrite(&wndpl.showCmd, sizeof(int), 1, fp);
fclose(fp);
return TRUE;
}
static const char* const extra_text = "(C)Pixel";
BOOL IsEnableBitmap(const char *path)
{
FILE *fp;
long len;
char str[16];
len = (long)strlen(extra_text);
fp = fopen(path, "rb");
if (fp == NULL)
return FALSE;
fseek(fp, len * -1, SEEK_END);
fread(str, 1, len, fp);
fclose(fp);
if (memcmp(str, extra_text, len))
return FALSE;
return TRUE;
}