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D2Helpers.cpp
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#include <ctime>
#include <cmath>
#include <sstream>
#include <list>
#include <share.h>
#include "D2Helpers.h"
#include "D2Handlers.h"
#include "Helpers.h"
#include "Console.h"
#include "CriticalSections.h"
#include "D2Skills.h"
#include "D2Boot.h"
#include "Control.h"
int MeasureText(const std::wstring &str, int index)
{
return CalculateTextLen(str.substr(0, index).c_str(), Vars.dwConsoleFont).x;
}
int MaxLineFit(const std::wstring &str, int start_idx, int end_idx, int maxWidth)
{
if (start_idx == end_idx)
return MeasureText(str, start_idx) <= maxWidth ? start_idx : -1;
int mid_idx = start_idx + (end_idx - start_idx) / 2;
if (maxWidth < MeasureText(str, mid_idx))
return MaxLineFit(str, start_idx, mid_idx, maxWidth);
int ret = MaxLineFit(str, mid_idx + 1, end_idx, maxWidth);
return ret == -1 ? mid_idx : ret;
}
bool SplitLines(const std::wstring &str, size_t maxWidth, const wchar_t delim, std::list<std::wstring> &lst)
{
// using namespace std;
std::wstring tmp(str);
if (str.length() < 1 || maxWidth < 40)
return false;
// base case
if (CalculateTextLen(str.c_str(), Vars.dwConsoleFont).x < (LONG)maxWidth)
{
lst.push_back(tmp);
return true;
}
int byteIdx = MaxLineFit(str, 0, str.length() + 1, maxWidth);
std::wstring ts = str.substr(0, byteIdx);
// unsigned int cmdsize = CalculateTextLen(ts.c_str(), Vars.dwConsoleFont).x;
// int numchars = ts.length();
// int sizechar = (cmdsize + numchars - 1) / numchars;
// int maxLength = (maxWidth + sizechar - 1) / sizechar - 1;
// byteIdx-1 since std::string::npos indexes from 0
unsigned int pos = tmp.find_last_of(delim, byteIdx - 1);
if (!pos || pos == std::string::npos)
{
// Target delimiter was not found, breaking at byteIdx
std::wstring ts = tmp.substr(0, byteIdx);
lst.push_back(ts);
tmp.erase(0, byteIdx);
}
else
{
// We found the last delimiter before byteIdx
std::wstring ts = tmp.substr(0, pos);
lst.push_back(ts);
tmp.erase(0, pos);
}
return SplitLines(tmp, maxWidth, delim, lst);
}
void Print(const wchar_t *szFormat, ...)
{
wchar_t *wsString;
va_list vaArgs;
va_start(vaArgs, szFormat);
FormatString(&wsString, szFormat, vaArgs);
va_end(vaArgs);
// Break into lines through \n.
std::wstring line;
std::wstringstream ss(wsString);
while (std::getline(ss, line))
Console::AddLine(line);
free(wsString);
}
void Log(const wchar_t *szFormat, ...)
{
wchar_t *wsString;
va_list vaArgs;
va_start(vaArgs, szFormat);
int len = FormatString(&wsString, szFormat, vaArgs);
va_end(vaArgs);
if (len > 0 && wsString[len - 1] == L'\n')
wsString[len - 1] = 0;
LogNoFormat(wsString);
free(wsString);
}
void LogNoFormat(const wchar_t *szString)
{
SYSTEMTIME time;
GetLocalTime(&time);
char szTime[13] = "";
sprintf(szTime, "%d%02d%02d", time.wYear, time.wMonth, time.wDay);
#ifdef DEBUG
FILE *log = stderr;
#else
wchar_t path[_MAX_PATH + _MAX_FNAME] = L"";
swprintf(path, _countof(path), L"%lsd2boot-%ls-%s.log", Vars.szPath, Vars.szProfile, szTime);
FILE *log = _wfsopen(path, L"a+", _SH_DENYNO);
#endif
static DWORD id = GetProcessId(GetCurrentProcess());
sprintf(szTime, "%02d:%02d:%02d.%03d", time.wHour, time.wMinute, time.wSecond, time.wMilliseconds);
fwprintf(log, L"[%s] D2Boot %ld: %ls\n", szTime, id, szString);
#ifndef DEBUG
fflush(log);
fclose(log);
#endif
}
ClientGameState ClientState(void)
{
ClientGameState state = ClientStateNull;
UnitAny *player = D2CLIENT_GetPlayerUnit();
Control *firstControl = *p_D2WIN_FirstControl;
if (player && !firstControl)
{
if (player && player->pUpdateUnit)
{
state = ClientStateBusy;
return state;
}
if (player->pInventory &&
player->pPath &&
// player->pPath->xPos &&
player->pPath->pRoom1 &&
player->pPath->pRoom1->pRoom2 &&
player->pPath->pRoom1->pRoom2->pLevel &&
player->pPath->pRoom1->pRoom2->pLevel->dwLevelNo)
state = ClientStateInGame;
else
state = ClientStateBusy;
}
else if (!player && firstControl)
state = ClientStateMenu;
else if (!player && !firstControl)
state = ClientStateNull;
return state;
}
bool GameReady(void)
{
return (ClientState() == ClientStateInGame ? true : false);
}
bool WaitForGameReady(void)
{
DWORD start = GetTickCount();
do
{
switch (ClientState())
{
case ClientStateNull:
case ClientStateMenu:
return false;
case ClientStateInGame:
return true;
case ClientStateBusy:
break;
}
Sleep(10);
} while ((Vars.dwGameTimeout == 0) || (Vars.dwGameTimeout > 0 && (GetTickCount() - start) < Vars.dwGameTimeout));
return false;
}
DWORD GetPlayerArea(void)
{
return (ClientState() == ClientStateInGame ? D2CLIENT_GetPlayerUnit()->pPath->pRoom1->pRoom2->pLevel->dwLevelNo : 0);
}
void *memcpy2(void *dest, const void *src, size_t count)
{
return (char *)memcpy(dest, src, count) + count;
}
HANDLE OpenFileRead(const wchar_t *filename)
{
return CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
}
DWORD ReadFile(HANDLE hFile, void *buf, DWORD len)
// NOTE :- validates len bytes of buf
{
DWORD numdone = 0;
return ::ReadFile(hFile, buf, len, &numdone, NULL) != 0 ? numdone : -1;
}
BYTE *AllocReadFile(const wchar_t *filename)
{
HANDLE hFile = OpenFileRead(filename);
int filesize = GetFileSize(hFile, 0);
if (filesize <= 0)
return 0;
BYTE *buf = new BYTE[filesize];
ReadFile(hFile, buf, filesize);
CloseHandle(hFile);
return buf;
}
CellFile *LoadBmpCellFile(BYTE *buf1, int width, int height)
{
BYTE *buf2 = new BYTE[(width * height * 2) + height], *dest = buf2;
for (int i = 0; i < height; i++)
{
BYTE *src = buf1 + (i * ((width + 3) & -4)), *limit = src + width;
while (src < limit)
{
BYTE *start = src, *limit2 = std::min(limit, src + 0x7f), trans = !*src;
do
src++;
while ((trans == (BYTE) !*src) && (src < limit2));
if (!trans || (src < limit))
*dest++ = (BYTE)((trans ? 0x80 : 0) + (src - start));
if (!trans)
while (start < src)
*dest++ = *start++;
}
*dest++ = 0x80;
}
static DWORD dc6head[] = {6, 1, 0, 0xeeeeeeee, 1, 1, 0x1c, 0, (DWORD)-1, (DWORD)-1, 0, 0, 0, (DWORD)-1, (DWORD)-1};
dc6head[8] = width;
dc6head[9] = height;
dc6head[14] = dest - buf2;
dc6head[13] = sizeof(dc6head) + (dc6head[14]) + 3;
BYTE *ret = new BYTE[dc6head[13]];
memset(memcpy2(memcpy2(ret, dc6head, sizeof(dc6head)), buf2, dc6head[14]), 0xee, 3);
delete[] buf2;
return (CellFile *)ret;
}
CellFile *LoadBmpCellFile(const wchar_t *filename)
{
BYTE *ret = 0;
BYTE *buf1 = AllocReadFile(filename);
BITMAPFILEHEADER *bmphead1 = (BITMAPFILEHEADER *)buf1;
BITMAPINFOHEADER *bmphead2 = (BITMAPINFOHEADER *)(buf1 + sizeof(BITMAPFILEHEADER));
// BM 0x4d42 19778
if (buf1 && (bmphead1->bfType == 0x4d42) && (bmphead2->biBitCount == 8) && (bmphead2->biCompression == BI_RGB))
{
ret = (BYTE *)LoadBmpCellFile(buf1 + bmphead1->bfOffBits, bmphead2->biWidth, bmphead2->biHeight);
}
delete[] buf1;
return (CellFile *)ret;
}
CellFile *myInitCellFile(CellFile *cf)
{
if (cf)
D2CMP_InitCellFile(cf, &cf, (char *)"?", 0, (DWORD)-1, (char *)"?");
return cf;
}
CellFile *LoadCellFile(const wchar_t *lpszPath, DWORD bMPQ)
{
if (bMPQ == true)
{
Log(L"Cannot specify wide character path for MPQ: %ls", lpszPath);
return nullptr;
}
// AutoDetect the Cell File
if (bMPQ == 3)
{
// Check in our directory first
wchar_t path[_MAX_FNAME + _MAX_PATH];
swprintf_s(path, _countof(path), L"%s\\%s", Vars.szScriptPath, lpszPath);
HANDLE hFile = OpenFileRead(path);
if (hFile != INVALID_HANDLE_VALUE)
{
CloseHandle(hFile);
return LoadCellFile(path, FALSE);
}
else
{
return LoadCellFile(lpszPath, TRUE);
}
}
// MTODO if want cache cellfile, need handle ImageHook deconstructor
// unsigned __int32 hash = sfh((char *)lpszPath, (int)strlen((char *)lpszPath));
// if (Vars.mCachedCellFiles.count(lpszPath) > 0)
// return Vars.mCachedCellFiles[lpszPath];
// see if the file exists first
if (!(_waccess(lpszPath, 0) != 0 && errno == ENOENT))
{
CellFile *result = myInitCellFile((CellFile *)LoadBmpCellFile(lpszPath));
// Vars.mCachedCellFiles[lpszPath] = result;
return result;
}
return nullptr;
}
void deleteCellFiles()
{
// for (const auto &item : Vars.mCachedCellFiles)
// {
// if (item.second)
// {
// // MTODO crash!
// // D2CMP_DeleteCellFile(item.second);
// delete[] item.second;
// }
// }
// Vars.mCachedCellFiles.clear();
}
POINT GetScreenSize()
{
// HACK: p_D2CLIENT_ScreenSize is wrong for out of game, which is hardcoded to 800x600
POINT ingame = {(LONG)*p_D2CLIENT_ScreenSizeX, (LONG)*p_D2CLIENT_ScreenSizeY},
oog = {800, 600},
p = {0};
if (ClientState() == ClientStateMenu)
p = oog;
else
p = ingame;
return p;
}
int D2GetScreenSizeX()
{
return GetScreenSize().x;
}
int D2GetScreenSizeY()
{
return GetScreenSize().y;
}
void myDrawAutomapCell(CellFile *cellfile, int xpos, int ypos, BYTE col)
{
if (!cellfile)
return;
CellContext ct;
memset(&ct, 0, sizeof(ct));
ct.pCellFile = cellfile;
xpos -= (cellfile->cells[0]->width / 2);
ypos += (cellfile->cells[0]->height / 2);
int xpos2 = xpos - cellfile->cells[0]->xoffs, ypos2 = ypos - cellfile->cells[0]->yoffs;
if ((xpos2 >= D2GetScreenSizeX()) || ((xpos2 + (int)cellfile->cells[0]->width) <= 0) || (ypos2 >= D2GetScreenSizeY()) ||
((ypos2 + (int)cellfile->cells[0]->height) <= 0))
return;
static BYTE coltab[2][256]; //, tabno = 0, lastcol = 0;
if (!coltab[0][1])
for (int k = 0; k < 255; k++)
coltab[0][k] = coltab[1][k] = (BYTE)k;
cellfile->mylastcol = coltab[cellfile->mytabno ^= (col != cellfile->mylastcol)][255] = col;
D2GFX_DrawAutomapCell2(&ct, xpos, ypos, (DWORD)-1, 5, coltab[cellfile->mytabno]);
}
// NOTE TO CALLERS: szTmp must be a PRE-INITIALIZED string.
const char *GetUnitName(UnitAny *pUnit, char *szTmp, size_t bufSize)
{
if (!pUnit)
{
strcpy_s(szTmp, bufSize, "Unknown");
return szTmp;
}
if (pUnit->dwType == UNIT_MONSTER)
{
wchar_t *wName = D2CLIENT_GetUnitName(pUnit);
WideCharToMultiByte(CP_UTF8, 0, wName, -1, szTmp, bufSize, 0, 0);
return szTmp;
}
if (pUnit->dwType == UNIT_PLAYER && pUnit->pPlayerData)
{
// return pUnit->pPlayerData->szName;
strcpy_s(szTmp, bufSize, pUnit->pPlayerData->szName);
return szTmp;
}
if (pUnit->dwType == UNIT_ITEM)
{
wchar_t wBuffer[256] = L"";
D2CLIENT_GetItemName(pUnit, wBuffer, _countof(wBuffer));
char *szBuffer = UnicodeToAnsi(wBuffer);
if (strchr(szBuffer, '\n'))
*strchr(szBuffer, '\n') = 0x00;
strcpy_s(szTmp, bufSize, szBuffer);
free(szBuffer);
return szTmp;
}
if (pUnit->dwType == UNIT_OBJECT || pUnit->dwType == UNIT_TILE)
{
if (pUnit->pObjectData && pUnit->pObjectData->pTxt)
{
strcpy_s(szTmp, bufSize, pUnit->pObjectData->pTxt->szName);
return szTmp;
}
}
strcpy_s(szTmp, bufSize, "Unknown");
return szTmp;
}
// szBuf must be a 4-character string
void GetItemCode(UnitAny *pUnit, char *szBuf)
{
if (pUnit->dwType == UNIT_ITEM)
{
ItemTxt *pTxt = D2COMMON_GetItemText(pUnit->dwTxtFileNo);
if (pTxt)
{
memcpy(szBuf, pTxt->szCode, 3);
szBuf[3] = 0x00;
}
}
}
typedef void (*fnClickEntry)(void);
bool ClickNPCMenu(DWORD NPCClassId, DWORD MenuId)
{
NPCMenu *pMenu = (NPCMenu *)p_D2CLIENT_NPCMenu;
fnClickEntry pClick = (fnClickEntry)NULL;
for (UINT i = 0; i < *p_D2CLIENT_NPCMenuAmount; i++)
{
if (pMenu->dwNPCClassId == NPCClassId)
{
if (pMenu->wEntryId1 == MenuId)
{
pClick = (fnClickEntry)pMenu->dwEntryFunc1;
if (pClick)
pClick();
else
return false;
return true;
}
else if (pMenu->wEntryId2 == MenuId)
{
pClick = (fnClickEntry)pMenu->dwEntryFunc2;
if (pClick)
pClick();
else
return false;
return true;
}
else if (pMenu->wEntryId3 == MenuId)
{
pClick = (fnClickEntry)pMenu->dwEntryFunc3;
if (pClick)
pClick();
else
return false;
return true;
}
else if (pMenu->wEntryId4 == MenuId)
{
pClick = (fnClickEntry)pMenu->dwEntryFunc4;
if (pClick)
pClick();
else
return false;
return true;
}
}
pMenu = (NPCMenu *)((DWORD)pMenu + sizeof(NPCMenu));
}
return false;
}
int GetItemLocation(UnitAny *pItem)
{
if (!pItem || !pItem->pItemData)
return -1;
return (pItem->pItemData->GameLocation);
}
void __declspec(naked) __fastcall Say_ASM(DWORD dwPtr)
{
__asm__ __volatile__(
"pop eax\n\t"
"push ecx\n\t"
"push eax\n\t"
"sub esp,0x110\n\t"
"push ebx\n\t"
"push ebp\n\t"
"mov ebp, %0\n\t"
"push esi\n\t"
"push edi\n\t"
"jmp %1\n\t" ::"m"(D2LANG_Say_II),
"m"(D2CLIENT_Say_I));
}
void Say(const wchar_t *szFormat, ...)
{
wchar_t *wsString;
va_list vaArgs;
va_start(vaArgs, szFormat);
int len = FormatString(&wsString, szFormat, vaArgs);
va_end(vaArgs);
Vars.bDontCatchNextMsg = TRUE;
if (*p_D2CLIENT_PlayerUnit)
{
memcpy((wchar_t *)p_D2CLIENT_ChatMsg, wsString, (len + 1) * sizeof(wchar_t));
MSG *aMsg = new MSG;
aMsg->hwnd = D2GFX_GetHwnd();
aMsg->message = WM_CHAR;
aMsg->wParam = VK_RETURN;
aMsg->lParam = 0x11C0001;
aMsg->time = 0;
aMsg->pt.x = 0x79;
aMsg->pt.y = 0x1;
// bug fix not &(DWORD)aMsg
Say_ASM((DWORD)aMsg);
delete aMsg;
aMsg = NULL;
/*
Vars.bDontCatchNextMsg = FALSE;
int len = 6+strlen(szMessage);
BYTE* pPacket = new BYTE[6+strlen(szMessage)];
memset(pPacket, 0, len);
pPacket[0] = 0x15;
pPacket[1] = 0x01;
memcpy(pPacket+3, szMessage, len-6);
D2CLIENT_SendGamePacket(len, pPacket);
delete [] pPacket;
*/
}
// help button and ! ok msg for disconnected
else if (findControl(CONTROL_BUTTON, 5308, -1, 187, 470, 80, 20) && (!findControl(CONTROL_BUTTON, 5102, -1, 351, 337, 96, 32)))
{
char *lBuffer = UnicodeToAnsi(wsString, CP_ACP);
memcpy((char *)p_D2MULTI_ChatBoxMsg, lBuffer, strlen(lBuffer) + 1);
D2MULTI_DoChat();
free(lBuffer);
}
free(wsString);
}
bool ClickMap(DWORD dwClickType, int wX, int wY, bool bShift, UnitAny *pUnit)
{
if (ClientState() != ClientStateInGame)
return false;
POINT Click = {wX, wY};
if (pUnit)
{
Click.x = D2CLIENT_GetUnitX(pUnit);
Click.y = D2CLIENT_GetUnitY(pUnit);
}
D2COMMON_MapToAbsScreen(&Click.x, &Click.y);
Click.x -= *p_D2CLIENT_ViewportX;
Click.y -= *p_D2CLIENT_ViewportY;
POINT OldMouse = {0, 0};
OldMouse.x = *p_D2CLIENT_MouseX;
OldMouse.y = *p_D2CLIENT_MouseY;
*p_D2CLIENT_MouseX = 0;
*p_D2CLIENT_MouseY = 0;
if (pUnit && pUnit != D2CLIENT_GetPlayerUnit() /* && D2CLIENT_UnitTestSelect(pUnit, 0, 0, 0)*/)
{
Vars.dwSelectedUnitId = pUnit->dwUnitId;
Vars.dwSelectedUnitType = pUnit->dwType;
Vars.bClickAction = TRUE;
D2CLIENT_ClickMap(dwClickType, Click.x, Click.y, bShift ? 0x0C : (*p_D2CLIENT_AlwaysRun ? 0x08 : 0));
D2CLIENT_SetSelectedUnit(NULL);
Vars.bClickAction = FALSE;
Vars.dwSelectedUnitId = 0;
Vars.dwSelectedUnitType = 0;
}
else
{
Vars.dwSelectedUnitId = 0;
Vars.dwSelectedUnitType = 0;
Vars.bClickAction = TRUE;
D2CLIENT_ClickMap(dwClickType, Click.x, Click.y, bShift ? 0x0C : (*p_D2CLIENT_AlwaysRun ? 0x08 : 0));
Vars.bClickAction = FALSE;
}
*p_D2CLIENT_MouseX = OldMouse.x;
*p_D2CLIENT_MouseY = OldMouse.y;
return true;
}
void LoadMPQ(const char *mpq)
{
D2WIN_InitMPQ("D2Win.DLL", mpq, NULL, 0, 0);
*p_BNCLIENT_XPacKey = *p_BNCLIENT_ClassicKey = *p_BNCLIENT_KeyOwner = NULL;
BNCLIENT_DecodeAndLoadKeys();
}
void LoadMPQ(const wchar_t *mpq)
{
char *path = UnicodeToAnsi(mpq);
LoadMPQ(path);
free(path);
// BNCLIENT_DecodeAndLoadKeys();
}
UnitAny *D2CLIENT_FindUnit(DWORD dwId, DWORD dwType)
{
if (dwId == (DWORD)-1)
return NULL;
UnitAny *pUnit = D2CLIENT_FindServerSideUnit(dwId, dwType);
return pUnit ? pUnit : D2CLIENT_FindClientSideUnit(dwId, dwType);
}
void myDrawText(const wchar_t *szwText, int x, int y, int color, int font)
{
DWORD dwOld = D2WIN_SetTextSize(font);
D2WIN_DrawText(szwText, x, y, color, 0);
D2WIN_SetTextSize(dwOld);
}
// TODO: make this use SIZE for clarity
POINT CalculateTextLen(const char *szwText, int Font)
{
POINT ret = {0, 0};
if (!szwText)
return ret;
wchar_t *buf = AnsiToUnicode(szwText);
ret = CalculateTextLen(buf, Font);
free(buf);
return ret;
}
POINT CalculateTextLen(const wchar_t *szwText, int Font)
{
POINT ret = {0, 0};
if (!szwText)
return ret;
DWORD dwWidth, dwFileNo;
DWORD dwOldSize = D2WIN_SetTextSize(Font);
ret.y = D2WIN_GetTextSize((wchar_t *)szwText, &dwWidth, &dwFileNo);
ret.x = dwWidth;
D2WIN_SetTextSize(dwOldSize);
return ret;
}
DWORD GetTileLevelNo(Room2 *lpRoom2, DWORD dwTileNo)
{
for (RoomTile *pRoomTile = lpRoom2->pRoomTiles; pRoomTile; pRoomTile = pRoomTile->pNext)
{
if (*(pRoomTile->nNum) == dwTileNo)
return pRoomTile->pRoom2->pLevel->dwLevelNo;
}
return 0;
}
UnitAny *GetMercUnit(UnitAny *pUnit)
{
for (Room1 *pRoom = pUnit->pAct->pRoom1; pRoom; pRoom = pRoom->pRoomNext)
for (UnitAny *pMerc = pRoom->pUnitFirst; pMerc; pMerc = pMerc->pRoomNext)
if (pMerc->dwType == UNIT_MONSTER &&
(pMerc->dwTxtFileNo == MERC_A1 || pMerc->dwTxtFileNo == MERC_A2 || pMerc->dwTxtFileNo == MERC_A3 || pMerc->dwTxtFileNo == MERC_A5) &&
D2CLIENT_GetMonsterOwner(pMerc->dwUnitId) == pUnit->dwUnitId)
return pMerc;
return NULL;
#if 0
// Wanted way of doing things, but D2CLIENT_GetMercUnit does some wierd internal things (drawing, causing screen flicker)
for(UnitAny* pMerc = D2CLIENT_GetMercUnit(); pMerc; pMerc = pMerc->pRoomNext)
if (D2CLIENT_GetMonsterOwner(pMerc->dwUnitId) == pUnit->dwUnitId)
return pMerc;
return NULL;
#endif
}
double GetDistance(long x1, long y1, long x2, long y2, DistanceType type)
{
double dist = 0;
switch (type)
{
case Euclidean:
{
double dx = (double)(x2 - x1);
double dy = (double)(y2 - y1);
dx = pow(dx, 2);
dy = pow(dy, 2);
dist = sqrt(dx + dy);
}
break;
case Chebyshev:
{
long dx = (x2 - x1);
long dy = (y2 - y1);
dx = abs(dx);
dy = abs(dy);
dist = std::max(dx, dy);
}
break;
case Manhattan:
{
long dx = (x2 - x1);
long dy = (y2 - y1);
dx = abs(dx);
dy = abs(dy);
dist = (dx + dy);
}
break;
default:
dist = -1;
break;
}
return dist;
}
bool IsScrollingText()
{
if (!WaitForGameReady())
return false;
HWND d2Hwnd = D2GFX_GetHwnd();
WindowHandlerList *whl = p_STORM_WindowHandlers->table[(0x534D5347 ^ (DWORD)d2Hwnd) % p_STORM_WindowHandlers->length];
MessageHandlerHashTable *mhht;
MessageHandlerList *mhl;
while (whl)
{
if (whl->unk_0 == 0x534D5347 && whl->hWnd == d2Hwnd)
{
mhht = whl->msgHandlers;
if (mhht != NULL && mhht->table != NULL && mhht->length != 0)
{
// 0x201 - WM_something click
mhl = mhht->table[0x201 % mhht->length];
if (mhl != NULL)
{
while (mhl)
{
if (mhl->message && mhl->unk_4 < 0xffffffff && mhl->handler == D2CLIENT_CloseNPCTalk)
{
return true;
}
mhl = mhl->next;
}
}
}
}
whl = whl->next;
}
return false;
}
Level *GetLevel(DWORD dwLevelNo)
{
AutoCriticalRoom *cRoom = new AutoCriticalRoom;
if (!GameReady())
return nullptr;
Level *pLevel = D2CLIENT_GetPlayerUnit()->pAct->pMisc->pLevelFirst;
while (pLevel)
{
if (pLevel->dwLevelNo == dwLevelNo)
{
if (!pLevel->pRoom2First)
D2COMMON_InitLevel(pLevel);
if (!pLevel->pRoom2First)
break;
delete cRoom;
return pLevel;
}
pLevel = pLevel->pNextLevel;
}
// this crashes pretty much every time it's called
// pLevel = D2COMMON_GetLevel(D2CLIENT_GetPlayerUnit()->pAct->pMisc, dwLevelNo);
delete cRoom;
return pLevel;
}
DWORD __declspec(naked) __fastcall D2CLIENT_InitAutomapLayer_STUB(DWORD nLayerNo)
{
__asm__ __volatile__(
"push eax\n\t"
"mov eax, ecx\n\t"
"call %0\n\t"
"pop eax\n\t"
"ret\n\t" ::"m"(D2CLIENT_InitAutomapLayer_I));
}
AutomapLayer *InitAutomapLayer(DWORD levelno)
{
AutomapLayer2 *pLayer = D2COMMON_GetLayer(levelno);
return D2CLIENT_InitAutomapLayer(pLayer->nLayerNo);
}
void WorldToScreen(POINT *pPos)
{
D2COMMON_MapToAbsScreen(&pPos->x, &pPos->y);
pPos->x -= D2CLIENT_GetMouseXOffset();
pPos->y -= D2CLIENT_GetMouseYOffset();
}
void ScreenToWorld(POINT *pPos)
{
D2COMMON_AbsScreenToMap(&pPos->x, &pPos->y);
pPos->x += D2CLIENT_GetMouseXOffset();
pPos->y += D2CLIENT_GetMouseYOffset();
}
POINT ScreenToAutomap(int x, int y)
{
POINT result = {0, 0};
x *= 32;
y *= 32;
result.x = ((x - y) / 2 / (*p_D2CLIENT_Divisor)) - (*p_D2CLIENT_Offset).x + 8;
result.y = ((x + y) / 4 / (*p_D2CLIENT_Divisor)) - (*p_D2CLIENT_Offset).y - 8;
if (D2CLIENT_GetAutomapSize())
{
--result.x;
result.y += 5;
}
return result;
}
void AutomapToScreen(POINT *pPos)
{
pPos->x = 8 - p_D2CLIENT_Offset->x + (pPos->x * (*p_D2CLIENT_AutomapMode));
pPos->y = 8 + p_D2CLIENT_Offset->y + (pPos->y * (*p_D2CLIENT_AutomapMode));
}
int GetSkill(WORD wSkillId)
{
if (!D2CLIENT_GetPlayerUnit())
return 0;
for (Skill *pSkill = D2CLIENT_GetPlayerUnit()->pInfo->pFirstSkill; pSkill; pSkill = pSkill->pNextSkill)
if (pSkill->pSkillInfo->wSkillId == wSkillId)
return D2COMMON_GetSkillLevel(D2CLIENT_GetPlayerUnit(), pSkill, TRUE);
return 0;
}
// Compare the skillname to the Game_Skills struct to find the right skill ID to return
WORD GetSkillByName(const char *skillname)
{
for (int i = 0; i < 216; i++)
if (_stricmp(Game_Skills[i].name, skillname) == 0)
return Game_Skills[i].skillID;
return (WORD)-1;
}
char *GetSkillByID(WORD id)
{
for (int i = 0; i < 216; i++)
if (id == Game_Skills[i].skillID)
return Game_Skills[i].name;
return NULL;
}
void SendMouseClick(int x, int y, int clicktype)
{
// HACK: Using PostMessage instead of SendMessage--need to fix this ASAP!
LPARAM lp = x + (y << 16);
switch (clicktype)
{
case 0:
PostMessage(D2GFX_GetHwnd(), WM_LBUTTONDOWN, 0, lp);
break;
case 1:
PostMessage(D2GFX_GetHwnd(), WM_LBUTTONUP, 0, lp);
break;
case 2:
PostMessage(D2GFX_GetHwnd(), WM_RBUTTONDOWN, 0, lp);
break;
case 3:
PostMessage(D2GFX_GetHwnd(), WM_RBUTTONUP, 0, lp);
break;
}
}
void SendKeyPress(UINT type, UINT key, UINT ext)
{
LPARAM lp = 1;
lp |= ext << 24;
lp |= (MapVirtualKey(key, MAPVK_VK_TO_VSC) << 16);
if (type == WM_KEYUP)
{
lp |= 0xC0000000;
}
PostMessage(D2GFX_GetHwnd(), type, key, lp);
}
void ReadProcessBYTES(HANDLE hProcess, DWORD lpAddress, void *buf, int len)
{
DWORD oldprot, dummy = 0;
VirtualProtectEx(hProcess, (void *)lpAddress, len, PAGE_READWRITE, &oldprot);
ReadProcessMemory(hProcess, (void *)lpAddress, buf, len, 0);
VirtualProtectEx(hProcess, (void *)lpAddress, len, oldprot, &dummy);
}
__declspec(naked) void __stdcall D2CLIENT_TakeWaypoint(DWORD dwWaypointId, DWORD dwArea)
{
__asm__ __volatile__(
"push ebp\n\t"
"mov ebp, esp\n\t"
"sub esp, 0x20\n\t"
"push ebx\n\t"
"push esi\n\t"
"push edi\n\t"
"and dword ptr ss:[ebp-0x20],0\n\t"
"push 0\n\t"
"call _TakeWaypoint\n\t"
"jmp _Exit\n\t"
"_TakeWaypoint:\n\t"
"push ebp\n\t"
"push esi\n\t"
"push edi\n\t"
"push ebx\n\t"
"xor edi, edi\n\t"
"mov ebx, 1\n\t"
"mov ecx,dword ptr ss:[ebp+8]\n\t"
"mov edx,dword ptr ss:[ebp+0xc]\n\t"
"lea ebp,dword ptr [ebp-0x20]\n\t"
"jmp %0\n\t"
"_Exit:\n\t"
"pop edi\n\t"
"pop esi\n\t"
"pop ebx\n\t"
"leave\n\t"
"ret 8\n\t" ::"m"(D2CLIENT_TakeWaypoint_I));
}
DWORD __declspec(naked) __fastcall D2CLIENT_GetUnitName_STUB(DWORD UnitAny)
{
__asm__ __volatile__(
"mov eax, ecx\n\t"
"jmp %0\n\t" ::"m"(D2CLIENT_GetUnitName_I));
}