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Bemanitools v5.26 release

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icex2
2019-09-27 22:36:50 +02:00
commit cbd7720349
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src/main/ddrhook/misc.c
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#include <windows.h>
#include <stdint.h>
#include "ddrhook/gfx.h"
#include "hook/pe.h"
#include "hook/table.h"
#include "util/defs.h"
#include "util/log.h"
#include "util/str.h"
static LONG (STDCALL *real_ChangeDisplaySettingsExA)(
char *dev_name, DEVMODE *dev_mode, HWND hwnd, DWORD flags, void *param);
static LRESULT (STDCALL *real_SendMessageW)(
HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam);
static HWND (STDCALL *real_CreateWindowExW)(DWORD dwExStyle, LPCWSTR lpClassName,
LPCWSTR lpWindowName, DWORD dwStyle, int X, int Y, int nWidth,
int nHeight, HWND hWndParent, HMENU hMenu,
HINSTANCE hInstance, LPVOID lpParam);
static LONG (STDCALL *real_SetWindowLongW)(HWND hWnd, int nIndex, LONG dwNewLong);
static BOOL (STDCALL *real_SetWindowPos)(HWND hWnd, HWND hWndInsertAfter,
int X, int Y, int cx, int cy, UINT uFlags);
static LONG STDCALL my_ChangeDisplaySettingsExA(
char *dev_name, DEVMODE *dev_mode, HWND hwnd, DWORD flags, void *param);
static SHORT STDCALL my_GetKeyState(int vk);
static LRESULT STDCALL my_SendMessageW(
HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam);
static HWND STDCALL my_CreateWindowExA(
DWORD dwExStyle, LPCSTR lpClassName, LPCSTR lpWindowName, DWORD dwStyle,
int X, int Y, int nWidth, int nHeight, HWND hWndParent, HMENU hMenu,
HINSTANCE hInstance, LPVOID lpParam);
static HWND STDCALL my_CreateWindowExW(DWORD dwExStyle, LPCWSTR lpClassName,
LPCWSTR lpWindowName, DWORD dwStyle, int X, int Y, int nWidth,
int nHeight, HWND hWndParent, HMENU hMenu,
HINSTANCE hInstance, LPVOID lpParam);
static LONG STDCALL my_SetWindowLongW(HWND hWnd, int nIndex, LONG dwNewLong);
static BOOL STDCALL my_SetWindowPos(HWND hWnd, HWND hWndInsertAfter,
int X, int Y, int cx, int cy, UINT uFlags);
static const struct hook_symbol misc_user32_syms[] = {
{
.name = "ChangeDisplaySettingsExA",
.patch = my_ChangeDisplaySettingsExA,
.link = (void **) &real_ChangeDisplaySettingsExA,
},
{
.name = "SendMessageW",
.patch = my_SendMessageW,
.link = (void **) &real_SendMessageW,
},
{
.name = "GetKeyState",
.patch = my_GetKeyState,
},
{
.name = "CreateWindowExA",
.patch = my_CreateWindowExA,
},
{
.name = "CreateWindowExW",
.patch = my_CreateWindowExW,
.link = (void **) &real_CreateWindowExW,
},
{
.name = "SetWindowLongW",
.patch = my_SetWindowLongW,
.link = (void **) &real_SetWindowLongW,
},
{
.name = "SetWindowPos",
.patch = my_SetWindowPos,
.link = (void **) &real_SetWindowPos,
},
};
static LONG STDCALL my_SetWindowLongW(HWND hWnd, int nIndex, LONG dwNewLong) {
if(nIndex == GWL_STYLE)
dwNewLong |= WS_OVERLAPPEDWINDOW;
return real_SetWindowLongW(hWnd, nIndex, dwNewLong);
}
static BOOL STDCALL my_SetWindowPos(HWND hWnd, HWND hWndInsertAfter,
int X, int Y, int cx, int cy, UINT uFlags) {
return true;
}
static LONG STDCALL my_ChangeDisplaySettingsExA(
char *dev_name, DEVMODE *dev_mode, HWND hwnd, DWORD flags, void *param)
{
if (gfx_get_windowed()) {
return DISP_CHANGE_SUCCESSFUL;
} else {
return real_ChangeDisplaySettingsExA(dev_name, dev_mode, hwnd, flags,
param);
}
}
static void calc_win_size_with_framed(HWND hwnd, DWORD x, DWORD y, DWORD width,
DWORD height, LPWINDOWPOS wp)
{
/* taken from dxwnd */
RECT rect;
DWORD style;
int max_x, max_y;
HMENU menu;
rect.left = x;
rect.top = y;
max_x = width;
max_y = height;
rect.right = x + max_x;
rect.bottom = y + max_y;
style = GetWindowLong(hwnd, GWL_STYLE);
menu = GetMenu(hwnd);
AdjustWindowRect(&rect, style, (menu != NULL));
/* shift down-right so that the border is visible
and also update the iPosX,iPosY upper-left coordinates
of the client area */
if (rect.left < 0) {
rect.right -= rect.left;
rect.left = 0;
}
if (rect.top < 0) {
rect.bottom -= rect.top;
rect.top = 0;
}
wp->x = rect.left;
wp->y = rect.top;
wp->cx = rect.right - rect.left;
wp->cy = rect.bottom - rect.top;
}
static HWND STDCALL my_CreateWindowExW(DWORD dwExStyle, LPCWSTR lpClassName,
LPCWSTR lpWindowName, DWORD dwStyle, int X, int Y, int nWidth,
int nHeight, HWND hWndParent, HMENU hMenu,
HINSTANCE hInstance, LPVOID lpParam)
{
if (gfx_get_windowed()) {
/* use a different style */
dwStyle |= WS_OVERLAPPEDWINDOW;
/* also show mouse cursor */
ShowCursor(TRUE);
}
if(!lpWindowName)
lpWindowName = L"Dance Dance Revolution";
HWND hwnd = real_CreateWindowExW(dwExStyle, lpClassName, lpWindowName,
dwStyle, X, Y, nWidth, nHeight, hWndParent, hMenu, hInstance,
lpParam);
if (hwnd == INVALID_HANDLE_VALUE) {
return hwnd;
}
if (gfx_get_windowed()) {
/* we have to adjust the window size, because the window needs to be a
slightly bigger than the rendering resolution (window caption and
stuff is included in the window size) */
WINDOWPOS wp;
calc_win_size_with_framed(hwnd, X, Y, nWidth, nHeight, &wp);
SetWindowPos(hwnd, 0, wp.x, wp.y, wp.cx, wp.cy, 0);
X = wp.x;
Y = wp.y;
nWidth = wp.cx;
nHeight = wp.cy;
}
return hwnd;
}
static HWND STDCALL my_CreateWindowExA(
DWORD dwExStyle, LPCSTR lpClassName, LPCSTR lpWindowName, DWORD dwStyle,
int X, int Y, int nWidth, int nHeight, HWND hWndParent, HMENU hMenu,
HINSTANCE hInstance, LPVOID lpParam)
{
LPWSTR longWindowName = NULL;
LPWSTR longClassName = NULL;
if(lpWindowName)
longWindowName = str_widen(lpWindowName);
if(lpClassName)
longClassName = str_widen(lpClassName);
HWND ret = my_CreateWindowExW(dwExStyle, longClassName, longWindowName,
dwStyle, X, Y, nWidth, nHeight, hWndParent, hMenu, hInstance, lpParam);
if(longWindowName)
free(longWindowName);
if(longClassName)
free(longClassName);
return ret;
}
static SHORT STDCALL my_GetKeyState(int vk)
{
/* yeah we kinda have our own keyboard input thing */
return 0;
}
static LRESULT STDCALL my_SendMessageW(
HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
if (hwnd == HWND_BROADCAST) {
/* OK COOL STORY BRO */
log_misc("Dropping message sent to HWND_BROADCAST");
return TRUE;
} else {
return real_SendMessageW(hwnd, msg, wparam, lparam);
}
}
void misc_insert_hooks(HMODULE target)
{
hook_table_apply(
target,
"user32.dll",
misc_user32_syms,
lengthof(misc_user32_syms));
log_info("Inserted miscellaneous hooks into %p", target);
}