Serious-Engine/Sources/Engine/Base/IFeel.cpp

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/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
#include "Engine/StdH.h"
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#include <Engine/Base/IFeel.h>
#include <Engine/Base/FileName.h>
#include <Engine/Base/Stream.h>
#include <Engine/Base/Console.h>
#include <Engine/Base/Shell.h>
#include <Engine/Base/DynamicLoader.h>
// rcg12122001 Moved this over to the CDynamicLoader abstraction, even though
// this is somewhat win32-specific. Hey, you never know; maybe a Linux
// version will show up, so we might as well leave the IFeel interface
// in place...
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//Imm_GetProductName
CDynamicLoader *_hLib = NULL;
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BOOL (*immCreateDevice)(HINSTANCE &hInstance, HWND &hWnd) = NULL;
void (*immDeleteDevice)(void) = NULL;
BOOL (*immProductName)(char *strProduct,int iMaxCount) = NULL;
BOOL (*immLoadFile)(const char *fnFile) = NULL;
void (*immUnloadFile)(void) = NULL;
void (*immPlayEffect)(const char *pstrEffectName) = NULL;
void (*immStopEffect)(const char *pstrEffectName) = NULL;
void (*immChangeGain)(const float fGain) = NULL;
FLOAT ifeel_fGain = 1.0f;
INDEX ifeel_bEnabled = FALSE;
#ifndef NDEBUG
#define IFEEL_DLL_NAME "Bin/Debug/ImmWrapper.dll"
#else
#define IFEEL_DLL_NAME "Bin/ImmWrapper.dll"
#endif
void ifeel_GainChange(void *ptr)
{
IFeel_ChangeGain(ifeel_fGain);
}
CTString IFeel_GetProductName()
{
char strProduct[MAX_PATH];
if(immProductName != NULL)
{
if(immProductName(strProduct,MAX_PATH))
{
return strProduct;
}
}
return "";
}
CTString IFeel_GetProjectFileName()
{
CTString strIFeelTable;
CTFileName fnIFeelTable = (CTString)"Data\\IFeel.txt";
CTString strDefaultProjectFile = "Data\\Default.ifr";
// get product name
CTString strProduct = IFeel_GetProductName();
try
{
strIFeelTable.Load_t(fnIFeelTable);
}
catch(char *strErr)
{
CPrintF("%s\n",strErr);
return "";
}
CTString strLine;
// read up to 1000 devices
for(INDEX idev=0;idev<1000;idev++)
{
char strDeviceName[256];
char strProjectFile[256];
strLine = strIFeelTable;
// read first line
strLine.OnlyFirstLine();
if(strLine==strIFeelTable)
{
break;
}
// remove that line
strIFeelTable.RemovePrefix(strLine);
strIFeelTable.DeleteChar(0);
// read device name and project file name
strIFeelTable.ScanF("\"%256[^\"]\" \"%256[^\"]\"",&strDeviceName,&strProjectFile);
// check if this is default
if(strcmp(strDeviceName,"Default")==0) strDefaultProjectFile = strProjectFile;
// check if this is current device
if(strProduct == strDeviceName) return strProjectFile;
}
// device was not found, return default project file
CPrintF("No project file specified for device '%s'.\nUsing default project file\n", (const char *) strProduct);
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return strDefaultProjectFile;
}
// inits imm ifeel device
BOOL IFeel_InitDevice(HINSTANCE &hInstance, HWND &hWnd)
{
_pShell->DeclareSymbol("void inp_IFeelGainChange(INDEX);", (void *) &ifeel_GainChange);
_pShell->DeclareSymbol("persistent user FLOAT inp_fIFeelGain post:inp_IFeelGainChange;", (void *) &ifeel_fGain);
_pShell->DeclareSymbol("const user INDEX sys_bIFeelEnabled;", (void *) &ifeel_bEnabled);
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IFeel_ChangeGain(ifeel_fGain);
// load iFeel lib
CTFileName fnmExpanded;
ExpandFilePath(EFP_READ | EFP_NOZIPS,(CTString)IFEEL_DLL_NAME,fnmExpanded);
if(_hLib!=NULL) return FALSE;
#ifdef PLATFORM_WIN32
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UINT iOldErrorMode = SetErrorMode( SEM_NOOPENFILEERRORBOX|SEM_FAILCRITICALERRORS);
#endif
_hLib = CDynamicLoader::GetInstance(fnmExpanded);
#ifdef PLATFORM_WIN32
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SetErrorMode(iOldErrorMode);
#endif
const char *err = _hLib->GetError();
if (err != NULL)
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{
CPrintF("Error loading ImmWraper.dll.\n\tIFeel disabled\nError: %s\n", err);
delete _hLib;
_hLib = NULL;
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return FALSE;
}
// take func pointers
immCreateDevice = (BOOL(*)(HINSTANCE &hInstance, HWND &hWnd)) _hLib->FindSymbol("Imm_CreateDevice");
immDeleteDevice = (void(*)(void)) _hLib->FindSymbol("Imm_DeleteDevice");
immProductName = (BOOL(*)(char *strProduct,int iMaxCount)) _hLib->FindSymbol("Imm_GetProductName");
immLoadFile = (BOOL(*)(const char *fnFile))_hLib->FindSymbol("Imm_LoadFile");
immUnloadFile = (void(*)(void))_hLib->FindSymbol("immUnloadFile");
immPlayEffect = (void(*)(const char *pstrEffectName))_hLib->FindSymbol("Imm_PlayEffect");
immStopEffect = (void(*)(const char *pstrEffectName))_hLib->FindSymbol("Imm_StopEffect");
immChangeGain = (void(*)(const float fGain))_hLib->FindSymbol("Imm_ChangeGain");
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// create device
if(immCreateDevice == NULL)
{
return FALSE;
}
BOOL hr = immCreateDevice(hInstance,hWnd);
if(!hr)
{
CPrintF("IFeel mouse not found.\n");
IFeel_DeleteDevice();
return FALSE;
}
CPrintF("IFeel mouse '%s' initialized\n",(const char*)IFeel_GetProductName());
ifeel_bEnabled = TRUE;
return TRUE;
}
// delete imm ifeel device
void IFeel_DeleteDevice()
{
if(immDeleteDevice != NULL) immDeleteDevice();
immCreateDevice = NULL;
immDeleteDevice = NULL;
immProductName = NULL;
immLoadFile = NULL;
immUnloadFile = NULL;
immPlayEffect = NULL;
immStopEffect = NULL;
immChangeGain = NULL;
if(_hLib != NULL) delete _hLib;
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_hLib = NULL;
}
// loads project file
BOOL IFeel_LoadFile(CTFileName fnFile)
{
CTFileName fnmExpanded;
ExpandFilePath(EFP_READ | EFP_NOZIPS,fnFile,fnmExpanded);
if(immLoadFile!=NULL)
{
BOOL hr = immLoadFile((const char*)fnmExpanded);
if(hr)
{
CPrintF("IFeel project file '%s' loaded\n", (const char *) fnFile);
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return TRUE;
}
else
{
CPrintF("Error loading IFeel project file '%s'\n", (const char *) fnFile);
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return FALSE;
}
}
return FALSE;
}
// unloads project file
void IFeel_UnloadFile()
{
if(immUnloadFile!=NULL) immUnloadFile();
}
// plays effect from ifr file
void IFeel_PlayEffect(char *pstrEffectName)
{
IFeel_ChangeGain(ifeel_fGain);
if(immPlayEffect!=NULL) immPlayEffect(pstrEffectName);
}
// stops effect from ifr file
void IFeel_StopEffect(char *pstrEffectName)
{
if(immStopEffect!=NULL) immStopEffect(pstrEffectName);
}
// change gain
void IFeel_ChangeGain(FLOAT fGain)
{
if(immChangeGain!=NULL)
{
immChangeGain(fGain);
//CPrintF("Changing IFeel gain to '%g'\n",fGain);
}
}