// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // Copyright (C) 1998-2000 by DooM Legacy Team. // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. //----------------------------------------------------------------------------- /// \file /// \brief load and initialise the 3D driver DLL #include "../doomdef.h" #ifdef HWRENDER #include "../hardware/hw_drv.h" // get the standard 3D Driver DLL exports prototypes #endif #ifdef HW3SOUND #include "../hardware/hw3dsdrv.h" // get the 3D sound driver DLL export prototypes #endif #include "win_dll.h" #include "win_main.h" // I_GetLastErrorMsgBox() #if defined(HWRENDER) || defined(HW3SOUND) typedef struct loadfunc_s { LPCSTR fnName; LPVOID fnPointer; } loadfunc_t; // -------------------------------------------------------------------------- // Load a DLL, returns the HMODULE handle or NULL // -------------------------------------------------------------------------- static inline HMODULE LoadDLL (LPCSTR dllName, loadfunc_t *funcTable) { LPVOID funcPtr; loadfunc_t *loadfunc; HMODULE hModule; if ((hModule = LoadLibraryA(dllName)) != NULL) { // get function pointers for all functions we use for (loadfunc = funcTable; loadfunc->fnName != NULL; loadfunc++) { funcPtr = GetProcAddress(hModule, loadfunc->fnName); if (!funcPtr) { //I_GetLastErrorMsgBox (); MessageBoxA(NULL, va("The '%s' haven't the good specification (function %s missing)\n\n" "You must use dll from the same zip of this exe\n", dllName, loadfunc->fnName), "Error", MB_OK|MB_ICONINFORMATION); return FALSE; } // store function address *((LPVOID*)loadfunc->fnPointer) = funcPtr; } } else { MessageBoxA(NULL, va("LoadLibrary() FAILED : couldn't load '%s'\r\n", dllName), "Warning", MB_OK|MB_ICONINFORMATION); //I_GetLastErrorMsgBox (); } return hModule; } // -------------------------------------------------------------------------- // Unload the DLL // -------------------------------------------------------------------------- static inline VOID UnloadDLL (HMODULE* pModule) { if (FreeLibrary(*pModule)) *pModule = NULL; else I_GetLastErrorMsgBox (); } #endif // ========================================================================== // STANDARD 3D DRIVER DLL FOR DOOM LEGACY // ========================================================================== // note : the 3D driver loading should be put somewhere else.. #ifdef HWRENDER static HMODULE hwdModule = NULL; static loadfunc_t hwdFuncTable[] = { {"_Init@4", &hwdriver.pfnInit}, {"_Shutdown@0", &hwdriver.pfnShutdown}, {"_GetModeList@8", &hwdriver.pfnGetModeList}, {"_SetPalette@8", &hwdriver.pfnSetPalette}, {"_FinishUpdate@4", &hwdriver.pfnFinishUpdate}, {"_Draw2DLine@12", &hwdriver.pfnDraw2DLine}, {"_DrawPolygon@16", &hwdriver.pfnDrawPolygon}, {"_SetBlend@4", &hwdriver.pfnSetBlend}, {"_ClearBuffer@12", &hwdriver.pfnClearBuffer}, {"_SetTexture@4", &hwdriver.pfnSetTexture}, {"_ReadRect@24", &hwdriver.pfnReadRect}, {"_GClipRect@20", &hwdriver.pfnGClipRect}, {"_ClearMipMapCache@0",&hwdriver.pfnClearMipMapCache}, {"_SetSpecialState@8", &hwdriver.pfnSetSpecialState}, {"_DrawMD2@16", &hwdriver.pfnDrawMD2}, {"_SetTransform@4", &hwdriver.pfnSetTransform}, {"_GetTextureUsed@0", &hwdriver.pfnGetTextureUsed}, {"_GetRenderVersion@0",&hwdriver.pfnGetRenderVersion}, {NULL,NULL} }; BOOL Init3DDriver (LPCSTR dllName) { hwdModule = LoadDLL(dllName, hwdFuncTable); return (hwdModule != NULL); } VOID Shutdown3DDriver (VOID) { UnloadDLL(&hwdModule); } #endif #ifdef HW3SOUND static HMODULE hwsModule = NULL; static loadfunc_t hwsFuncTable[] = { {"_Startup@8", &hw3ds_driver.pfnStartup}, {"_Shutdown@0", &hw3ds_driver.pfnShutdown}, {"_AddSfx@4", &hw3ds_driver.pfnAddSfx}, {"_AddSource@8", &hw3ds_driver.pfnAddSource}, {"_StartSource@4", &hw3ds_driver.pfnStartSource}, {"_StopSource@4", &hw3ds_driver.pfnStopSource}, {"_GetHW3DSVersion@0", &hw3ds_driver.pfnGetHW3DSVersion}, {"_BeginFrameUpdate@0", &hw3ds_driver.pfnBeginFrameUpdate}, {"_EndFrameUpdate@0", &hw3ds_driver.pfnEndFrameUpdate}, {"_IsPlaying@4", &hw3ds_driver.pfnIsPlaying}, {"_UpdateListener@8", &hw3ds_driver.pfnUpdateListener}, {"_UpdateSourceParms@12", &hw3ds_driver.pfnUpdateSourceParms}, {"_SetCone@8", &hw3ds_driver.pfnSetCone}, {"_SetGlobalSfxVolume@4", &hw3ds_driver.pfnSetGlobalSfxVolume}, {"_Update3DSource@8", &hw3ds_driver.pfnUpdate3DSource}, {"_ReloadSource@8", &hw3ds_driver.pfnReloadSource}, {"_KillSource@4", &hw3ds_driver.pfnKillSource}, {"_KillSfx@4", &hw3ds_driver.pfnKillSfx}, {"_GetHW3DSTitle@8", &hw3ds_driver.pfnGetHW3DSTitle}, {NULL, NULL} }; BOOL Init3DSDriver(LPCSTR dllName) { hwsModule = LoadDLL(dllName, hwsFuncTable); return (hwsModule != NULL); } VOID Shutdown3DSDriver (VOID) { UnloadDLL(&hwsModule); } #endif