LGram16
e067522598
Game client codebase including: - CharacterActionControl: Character and creature management - GlobalScript: Network, items, skills, quests, utilities - RYLClient: Main client application with GUI and event handlers - Engine: 3D rendering engine (RYLGL) - MemoryManager: Custom memory allocation - Library: Third-party dependencies (DirectX, boost, etc.) - Tools: Development utilities 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
127 lines
3.3 KiB
C++
127 lines
3.3 KiB
C++
//------------------------------------------------------------------------------
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// File: DDMM.cpp
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//
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// Desc: DirectShow base classes - implements routines for using DirectDraw
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// on a multimonitor system.
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//
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// Copyright (c) 1995-2001 Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------------------------
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#include <streams.h>
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#include <ddraw.h>
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#include "ddmm.h"
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/*
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* FindDeviceCallback
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*/
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typedef struct {
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LPSTR szDevice;
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GUID* lpGUID;
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GUID GUID;
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BOOL fFound;
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} FindDeviceData;
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BOOL CALLBACK FindDeviceCallback(GUID* lpGUID, LPSTR szName, LPSTR szDevice, LPVOID lParam) {
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FindDeviceData *p = (FindDeviceData*)lParam;
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if(lstrcmpiA(p->szDevice, szDevice) == 0) {
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if(lpGUID) {
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p->GUID = *lpGUID;
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p->lpGUID = &p->GUID;
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}
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else {
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p->lpGUID = NULL;
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}
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p->fFound = TRUE;
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return FALSE;
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}
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return TRUE;
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}
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BOOL CALLBACK FindDeviceCallbackEx(GUID* lpGUID, LPSTR szName, LPSTR szDevice, LPVOID lParam, HMONITOR hMonitor) {
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FindDeviceData *p = (FindDeviceData*)lParam;
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if(lstrcmpiA(p->szDevice, szDevice) == 0) {
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if(lpGUID) {
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p->GUID = *lpGUID;
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p->lpGUID = &p->GUID;
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}
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else {
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p->lpGUID = NULL;
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}
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p->fFound = TRUE;
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return FALSE;
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}
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return TRUE;
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}
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/*
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* DirectDrawCreateFromDevice
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*
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* create a DirectDraw object for a particular device
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*/
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IDirectDraw * DirectDrawCreateFromDevice(LPSTR szDevice, PDRAWCREATE DirectDrawCreateP, PDRAWENUM DirectDrawEnumerateP) {
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IDirectDraw* pdd = NULL;
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FindDeviceData find;
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if(szDevice == NULL) {
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DirectDrawCreateP(NULL, &pdd, NULL);
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return pdd;
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}
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find.szDevice = szDevice;
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find.fFound = FALSE;
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DirectDrawEnumerateP(FindDeviceCallback, (LPVOID)&find);
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if(find.fFound) {
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//
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// In 4bpp mode the following DDraw call causes a message box to be popped
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// up by DDraw (!?!). It's DDraw's fault, but we don't like it. So we
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// make sure it doesn't happen.
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//
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UINT ErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
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DirectDrawCreateP(find.lpGUID, &pdd, NULL);
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SetErrorMode(ErrorMode);
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}
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return pdd;
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}
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/*
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* DirectDrawCreateFromDeviceEx
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*
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* create a DirectDraw object for a particular device
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*/
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IDirectDraw * DirectDrawCreateFromDeviceEx(LPSTR szDevice, PDRAWCREATE DirectDrawCreateP, LPDIRECTDRAWENUMERATEEXA DirectDrawEnumerateExP) {
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IDirectDraw* pdd = NULL;
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FindDeviceData find;
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if(szDevice == NULL) {
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DirectDrawCreateP(NULL, &pdd, NULL);
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return pdd;
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}
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find.szDevice = szDevice;
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find.fFound = FALSE;
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DirectDrawEnumerateExP(FindDeviceCallbackEx, (LPVOID)&find,
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DDENUM_ATTACHEDSECONDARYDEVICES);
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if(find.fFound) {
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//
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// In 4bpp mode the following DDraw call causes a message box to be popped
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// up by DDraw (!?!). It's DDraw's fault, but we don't like it. So we
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// make sure it doesn't happen.
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//
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UINT ErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
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DirectDrawCreateP(find.lpGUID, &pdd, NULL);
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SetErrorMode(ErrorMode);
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}
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return pdd;
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}
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