lucent/cocco-ddraw
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

add experimental WH_GETMESSAGE hook

Browse source
This commit is contained in:
FunkyFr3sh 2024-09-08 19:14:58 +02:00
parent 426490043f
commit dcc76a154d
6 changed files with 179 additions and 264 deletions
Download patch file Download diff file Expand all files Collapse all files

171
src/mouse.c
View file

@ -1,15 +1,45 @@
#include <windows.h>
#include <windowsx.h>
#include <math.h>
#include "debug.h"
#include "winapi_hooks.h"
#include "dd.h"
#include "hook.h"
#include "utils.h"
#include "config.h"
#include "mouse.h"
BOOL g_mouse_locked;
HHOOK g_mouse_hook;
HOOKPROC g_mouse_proc;
static HHOOK g_mouse_gm_hook;
void mouse_hook_init()
{
if (g_mouse_gm_hook && UnhookWindowsHookEx(g_mouse_gm_hook))
{
g_mouse_gm_hook = NULL;
}
if (!g_ddraw.gui_thread_id)
return;
g_mouse_gm_hook =
real_SetWindowsHookExA(
WH_GETMESSAGE,
mouse_gm_hook_proc,
NULL,
g_ddraw.gui_thread_id);
}
void mouse_hook_exit()
{
if (g_mouse_gm_hook)
{
UnhookWindowsHookEx(g_mouse_gm_hook);
}
}
void mouse_lock()
{
@ -83,15 +113,146 @@ void mouse_unlock()
}
}
LRESULT CALLBACK mouse_hook_proc(int Code, WPARAM wParam, LPARAM lParam)
LRESULT CALLBACK mouse_gm_hook_proc(int code, WPARAM wParam, LPARAM lParam)
{
if (code < 0 || !lParam || !g_ddraw.width)
return CallNextHookEx(g_mouse_gm_hook, code, wParam, lParam);
MSG* msg = (MSG*)lParam;
if (!g_config.windowed || real_ScreenToClient(g_ddraw.hwnd, &msg->pt))
{
int x = max(msg->pt.x - g_ddraw.mouse.x_adjust, 0);
int y = max(msg->pt.y - g_ddraw.mouse.y_adjust, 0);
if (g_config.adjmouse)
{
x = (DWORD)(roundf(x * g_ddraw.mouse.unscale_x));
y = (DWORD)(roundf(y * g_ddraw.mouse.unscale_y));
}
msg->pt.x = min(x, g_ddraw.width - 1);
msg->pt.y = min(y, g_ddraw.height - 1);
}
else
{
msg->pt.x = InterlockedExchangeAdd((LONG*)&g_ddraw.cursor.x, 0);
msg->pt.y = InterlockedExchangeAdd((LONG*)&g_ddraw.cursor.y, 0);
}
if (msg->hwnd != g_ddraw.hwnd)
return CallNextHookEx(g_mouse_gm_hook, code, wParam, lParam);
switch (LOWORD(msg->message))
{
/* button up messages reactivate cursor lock */
case WM_LBUTTONUP:
case WM_RBUTTONUP:
case WM_MBUTTONUP:
{
if (!g_config.devmode && !g_mouse_locked)
{
int x = GET_X_LPARAM(msg->lParam);
int y = GET_Y_LPARAM(msg->lParam);
if (x > g_ddraw.render.viewport.x + g_ddraw.render.viewport.width ||
x < g_ddraw.render.viewport.x ||
y > g_ddraw.render.viewport.y + g_ddraw.render.viewport.height ||
y < g_ddraw.render.viewport.y)
{
x = g_ddraw.width / 2;
y = g_ddraw.height / 2;
}
else
{
x = (DWORD)((x - g_ddraw.render.viewport.x) * g_ddraw.mouse.unscale_x);
y = (DWORD)((y - g_ddraw.render.viewport.y) * g_ddraw.mouse.unscale_y);
}
x = min(x, g_ddraw.width - 1);
y = min(y, g_ddraw.height - 1);
InterlockedExchange((LONG*)&g_ddraw.cursor.x, x);
InterlockedExchange((LONG*)&g_ddraw.cursor.y, y);
mouse_lock();
msg->message = MAKELONG(WM_NULL, HIWORD(msg->message));
return 0;
}
/* fall through for lParam */
}
/* down messages are ignored if we have no cursor lock */
case WM_XBUTTONDBLCLK:
case WM_XBUTTONDOWN:
case WM_XBUTTONUP:
case WM_MOUSEWHEEL:
case WM_MOUSEHOVER:
case WM_LBUTTONDBLCLK:
case WM_MBUTTONDBLCLK:
case WM_RBUTTONDBLCLK:
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_MOUSEMOVE:
{
if (!g_config.devmode && !g_mouse_locked)
{
msg->message = MAKELONG(WM_NULL, HIWORD(msg->message));
return 0;
}
if (LOWORD(msg->message) == WM_MOUSEWHEEL)
{
POINT pt = { GET_X_LPARAM(msg->lParam), GET_Y_LPARAM(msg->lParam) };
real_ScreenToClient(g_ddraw.hwnd, &pt);
msg->lParam = MAKELPARAM(pt.x, pt.y);
}
int x = max(GET_X_LPARAM(msg->lParam) - g_ddraw.mouse.x_adjust, 0);
int y = max(GET_Y_LPARAM(msg->lParam) - g_ddraw.mouse.y_adjust, 0);
if (g_config.adjmouse)
{
if (g_config.vhack && !g_config.devmode)
{
POINT pt = { 0, 0 };
fake_GetCursorPos(&pt);
x = pt.x;
y = pt.y;
}
else
{
x = (DWORD)(roundf(x * g_ddraw.mouse.unscale_x));
y = (DWORD)(roundf(y * g_ddraw.mouse.unscale_y));
}
}
x = min(x, g_ddraw.width - 1);
y = min(y, g_ddraw.height - 1);
InterlockedExchange((LONG*)&g_ddraw.cursor.x, x);
InterlockedExchange((LONG*)&g_ddraw.cursor.y, y);
msg->lParam = MAKELPARAM(x, y);
break;
}
}
return CallNextHookEx(g_mouse_gm_hook, code, wParam, lParam);
}
LRESULT CALLBACK mouse_hook_proc(int code, WPARAM wParam, LPARAM lParam)
{
if (!g_ddraw.ref)
return g_mouse_proc(Code, wParam, lParam);
return g_mouse_proc(code, wParam, lParam);
if (Code < 0 || (!g_config.devmode && !g_mouse_locked))
return CallNextHookEx(g_mouse_hook, Code, wParam, lParam);
if (code < 0 || (!g_config.devmode && !g_mouse_locked))
return CallNextHookEx(g_mouse_hook, code, wParam, lParam);
fake_GetCursorPos(&((MOUSEHOOKSTRUCT*)lParam)->pt);
return g_mouse_proc(Code, wParam, lParam);
return g_mouse_proc(code, wParam, lParam);
}