compile resources again + cleanup
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FunkyFr3sh
parent
850dfda0f5
commit
153bfda117
25 changed files with 3811 additions and 3849 deletions
256
src/mouse.c
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256
src/mouse.c
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/*
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* Copyright (c) 2010 Toni Spets <toni.spets@iki.fi>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* This is a special mouse coordinate fix for games that use GetCursorPos and expect to be in fullscreen */
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#include <windows.h>
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#include <stdio.h>
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#include "main.h"
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#include "surface.h"
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#define MAX_HOOKS 16
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BOOL mouse_active = FALSE;
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int real_height = 0;
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struct hook { char name[32]; void *func; };
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struct hack
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{
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char name[32];
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struct hook hooks[MAX_HOOKS];
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};
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BOOL WINAPI fake_GetCursorPos(LPPOINT lpPoint)
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{
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POINT pt;
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if(mouse_active && ddraw->locked)
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{
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GetCursorPos(&pt);
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if(ddraw->sensitivity > 0 && ddraw->sensitivity < 10)
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{
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ddraw->cursor.x += (pt.x - ddraw->center.x) * ddraw->sensitivity;
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ddraw->cursor.y += (pt.y - ddraw->center.y) * ddraw->sensitivity;
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}
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else if(ddraw->adjmouse)
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{
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ddraw->cursor.x += (pt.x - ddraw->center.x) * ((float)ddraw->width / ddraw->render.width);
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ddraw->cursor.y += (pt.y - ddraw->center.y) * ((float)ddraw->height / ddraw->render.height);
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}
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else
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{
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ddraw->cursor.x += pt.x - ddraw->center.x;
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ddraw->cursor.y += pt.y - ddraw->center.y;
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}
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if(ddraw->cursor.x < 0) ddraw->cursor.x = 0;
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if(ddraw->cursor.y < 0) ddraw->cursor.y = 0;
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if(ddraw->cursor.x > ddraw->cursorclip.width-1) ddraw->cursor.x = ddraw->cursorclip.width-1;
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if(real_height > 0 && real_height < ddraw->cursorclip.height)
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{
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if(ddraw->cursor.y > real_height-1) ddraw->cursor.y = real_height-1;
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}
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else
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{
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if(ddraw->cursor.y > ddraw->cursorclip.height-1) ddraw->cursor.y = ddraw->cursorclip.height-1;
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}
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if(pt.x != ddraw->center.x || pt.y != ddraw->center.y)
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{
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SetCursorPos(ddraw->center.x, ddraw->center.y);
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}
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}
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if (lpPoint)
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{
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lpPoint->x = (int)ddraw->cursor.x;
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lpPoint->y = (int)ddraw->cursor.y;
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}
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return TRUE;
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}
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BOOL WINAPI fake_ClipCursor(const RECT *lpRect)
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{
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if(lpRect)
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{
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/* hack for 640x480 mode */
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real_height = lpRect->bottom;
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}
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return TRUE;
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}
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int WINAPI fake_ShowCursor(BOOL bShow)
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{
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return TRUE;
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}
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HCURSOR WINAPI fake_SetCursor(HCURSOR hCursor)
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{
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return NULL;
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}
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struct hack hacks[] =
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{
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{
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"user32.dll",
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{
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{ "GetCursorPos", fake_GetCursorPos },
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{ "ClipCursor", fake_ClipCursor },
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{ "ShowCursor", fake_ShowCursor },
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{ "SetCursor", fake_SetCursor } ,
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{ "", NULL }
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}
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},
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{
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"",
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{
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{ "", NULL }
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}
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}
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};
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void hack_iat(struct hack *hck)
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{
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int i;
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char buf[32];
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struct hook *hk;
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DWORD dwWritten;
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IMAGE_DOS_HEADER dos_hdr;
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IMAGE_NT_HEADERS nt_hdr;
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IMAGE_IMPORT_DESCRIPTOR *dir;
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IMAGE_THUNK_DATA thunk;
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PDWORD ptmp;
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HMODULE base = GetModuleHandle(NULL);
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HANDLE hProcess = GetCurrentProcess();
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ReadProcessMemory(hProcess, (void *)base, &dos_hdr, sizeof(IMAGE_DOS_HEADER), &dwWritten);
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ReadProcessMemory(hProcess, (void *)base+dos_hdr.e_lfanew, &nt_hdr, sizeof(IMAGE_NT_HEADERS), &dwWritten);
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dir = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (nt_hdr.OptionalHeader.DataDirectory[1].Size));
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ReadProcessMemory(hProcess, (void *)base+nt_hdr.OptionalHeader.DataDirectory[1].VirtualAddress, dir, nt_hdr.OptionalHeader.DataDirectory[1].Size, &dwWritten);
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while(dir->Name > 0)
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{
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memset(buf, 0, 32);
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ReadProcessMemory(hProcess, (void *)base+dir->Name, buf, 32, &dwWritten);
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if(stricmp(buf, hck->name) == 0)
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{
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ptmp = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DWORD) * 64);
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ReadProcessMemory(hProcess, (void *)base+dir->Characteristics, ptmp, sizeof(DWORD) * 64, &dwWritten);
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i=0;
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while(*ptmp)
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{
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memset(buf, 0, 32);
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ReadProcessMemory(hProcess, (void *)base+(*ptmp)+2, buf, 32, &dwWritten);
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hk = &hck->hooks[0];
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while(hk->func)
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{
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if(stricmp(hk->name, buf) == 0)
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{
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thunk.u1.Function = (DWORD)hk->func;
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thunk.u1.Ordinal = (DWORD)hk->func;
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thunk.u1.AddressOfData = (DWORD)hk->func;
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VirtualProtectEx(hProcess, (void *)base+dir->FirstThunk+(sizeof(IMAGE_THUNK_DATA) * i), sizeof(IMAGE_THUNK_DATA), PAGE_EXECUTE_READWRITE, &dwWritten);
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WriteProcessMemory(hProcess, (void *)base+dir->FirstThunk+(sizeof(IMAGE_THUNK_DATA) * i), &thunk, sizeof(IMAGE_THUNK_DATA), &dwWritten);
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mouse_active = TRUE;
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}
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hk++;
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}
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ptmp++;
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i++;
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}
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}
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dir++;
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}
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CloseHandle(hProcess);
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}
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void mouse_lock()
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{
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RECT rc;
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if (ddraw->devmode)
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{
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while(ShowCursor(FALSE) > 0);
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return;
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}
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if (mouse_active && !ddraw->locked)
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{
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GetWindowRect(ddraw->hWnd, &rc);
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ddraw->center.x = (rc.right + rc.left) / 2;
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ddraw->center.y = (rc.top + rc.bottom) / 2;
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SetCursorPos(ddraw->center.x, ddraw->center.y);
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SetCapture(ddraw->hWnd);
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ClipCursor(&rc);
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while(ShowCursor(FALSE) > 0);
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ddraw->locked = TRUE;
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}
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}
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void mouse_unlock()
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{
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RECT rc;
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POINT pt;
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if (ddraw->devmode)
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{
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while(ShowCursor(TRUE) < 0);
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return;
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}
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if(!mouse_active)
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{
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return;
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}
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if(ddraw->locked)
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{
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ddraw->locked = FALSE;
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GetWindowRect(ddraw->hWnd, &rc);
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pt.x = (rc.right - rc.left - ddraw->render.width) / 2;
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pt.y = (rc.bottom - rc.top - ddraw->render.height - pt.x);
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rc.left += pt.x;
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rc.top += pt.y;
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SetCursorPos(rc.left + (ddraw->cursor.x * ddraw->render.width / ddraw->width), rc.top + (ddraw->cursor.y * ddraw->render.height / ddraw->height));
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while(ShowCursor(TRUE) < 0);
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SetCursor(LoadCursor(NULL, IDC_ARROW));
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ClipCursor(NULL);
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ReleaseCapture();
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}
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}
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void mouse_init(HWND hWnd)
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{
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if(ddraw->mhack || ddraw->devmode)
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{
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hack_iat(&hacks[0]);
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mouse_active = TRUE;
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}
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}
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