/* Copyright (C) 2005-2009, Thorvald Natvig <thorvald@natvig.com>

   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   - Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.
   - Redistributions in binary form must reproduce the above copyright notice,
     this list of conditions and the following disclaimer in the documentation
     and/or other materials provided with the distribution.
   - Neither the name of the Mumble Developers nor the names of its
     contributors may be used to endorse or promote products derived from this
     software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _LIB_H
#define _LIB_H

#define _UNICODE
#define  _WIN32_WINNT 0x0501
#include <stdio.h>
#include <stdarg.h>
#include <ctype.h>
#include <windows.h>
#include <math.h>
#include <map>
#include <vector>
#include <string>
#include "overlay.h"

#define lround(x) static_cast<long int>((x) + (((x) >= 0.0) ? 0.5 : -0.5))

using namespace std;

void __cdecl fods(const char *format, ...);
void __cdecl ods(const char *format, ...);

typedef void *(*voidFunc)();

struct HardHook {
	unsigned char *baseptr;
	unsigned char orig[6];
	unsigned char replace[6];
	bool bTrampoline;
	voidFunc call;

	static void *pCode;
	static unsigned int uiCode;

	HardHook();
	void *cloneCode(void **orig);
	void setup(voidFunc func, voidFunc replacement);
	void setupInterface(IUnknown *intf, LONG funcoffset, voidFunc replacement);
	void inject(bool force = false);
	void restore(bool force = false);
	void print();
	void check();
};

struct Direct3D9Data {
	int iOffsetCreate;
	int iOffsetCreateEx;
	char cFileName[2048];
};

struct DXGIData {
	int iOffsetPresent;
	int iOffsetResize;
	int iOffsetAddRef;
	int iOffsetRelease;
	wchar_t wcDXGIFileName[2048];
	wchar_t wcD3D10FileName[2048];
};

struct FakeInterface {
	typedef ULONG(FakeInterface::* voidMemberFunc)();
	void **vtbl;
	IUnknown *pOriginal;
	IUnknown *pNew;
	void *pAssembly;
	FakeInterface(IUnknown *orig, int entries);
	~FakeInterface();
	void replace(LONG funcoffset, voidMemberFunc replacement);
};

class Mutex {
	protected:
		static CRITICAL_SECTION cs;
	public:
		static void init();
		Mutex();
		~Mutex();
};

extern void checkDXGIHook(bool preonly = false);
extern void checkD3D9Hook(bool preonly = false);
extern void checkOpenGLHook();

extern SharedMem *sm;
extern Direct3D9Data *d3dd;
extern DXGIData *dxgi;
extern HANDLE hSharedMutex;
extern HMODULE hSelf;
extern unsigned int uiAudioCount;
extern bool bVideoHooked;

#endif