/*********************************************************************************
*
*	Insane Game Engine
*	(c)2005 Nathan Krygier. All Rights Reserved.
*
***********************************************************************************/
#include <ddraw.h>
#include <dsound.h>
#include <dmksctrl.h>
#include <dmusici.h>
#include <dmusicc.h>
#include <dinput.h>
#include "main.h"

void InitDirectDraw7(HWND hwnd)
{
		LPDIRECTDRAW7				lpDirectDraw			= NULL; // Direct Draw Interface 7
		LPDIRECTDRAWSURFACE7		lpPrimaryDDSurface		= NULL; // Direct Draw Surface 7
		DDSURFACEDESC2				ddSD;							// Direct Draw Surface Description

		// Create the Direct Draw Interface
		if(FAILED(DirectDrawCreateEx(NULL,(void **)&lpDirectDraw,IID_IDirectDraw7,NULL)))
		{
			MessageBox(NULL,Error_CreateInterface,Interface_Error, MB_OK);
		}

		// Set The Direct Draw Cooperation Level
		if(FAILED(lpDirectDraw->SetCooperativeLevel(hwnd,DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX |
												DDSCL_EXCLUSIVE | DDSCL_ALLOWREBOOT)))
		{
			MessageBox(NULL,Error_SetCooperationLevel,Cooperation_Error, MB_OK);
		}

		// Set The Display Mode
		if(FAILED(lpDirectDraw->SetDisplayMode(Display_Width,Display_Height,Display_Depth,0,0)))
		{
			MessageBox(NULL,Error_SetDisplay,Display_Error, MB_OK);
		}

		// Clear the description and set the size of it
		memset(&ddSD,0,sizeof(ddSD));
		ddSD.dwSize = sizeof(ddSD);

		// Enable the valid fields
		ddSD.dwFlags = DDSD_CAPS;

		// Request The Primary Surface
		ddSD.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;

		// Create Primary Surface
		if(FAILED(lpDirectDraw->CreateSurface(&ddSD, &lpPrimaryDDSurface, NULL)))
		{
			MessageBox(NULL,Error_CreateSurface,Surface_Error, MB_OK);
		}

		// Clear ddSD and set size
		memset(ddSD,0,sizeof(ddSD));
		ddSD.dwSize = sizeof(ddSD);

		// Lock Surface
		if(FAILED(lpPrimaryDDSurface->Lock(NULL,&ddSD,DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL)))
		{
			MessageBox(NULL,Error_LockSurface,Surface_Error, MB_OK);
		}

		// Create Aliases
		int mempitch		= ddSD.lPitch;
		unsigned char *video_buffer = ddSD.lpSurface;
}

// DRAWS A DIRECT DRAW 7 PIXELvoid DrawPixelDD7(int ix, int iy, int ialpha, int ired, int igreen, int iblue,			   unsigned int *video_buffer, int lpitch32){	// build color word	unsigned int pixel = _RGB32BIT(ialpha,ired,igreen,iblue);	// write data	video_buffer[ix + iy*lpitch32] = pixel;}// LOCKS THE DIRECT DRAW 7 SURFACEvoid LockSurfaceDD7(){	if(FAILED(lpPrimaryDDSurface->Lock(NULL,&ddSD,DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL)))	{		MessageBox(NULL,Error_LockSurface,Surface_Error, MB_OK);	}}// UNLOCKS THE DIRECT DRAW SURFACEvoid UnlockSurfaceDD7(){	if(FAILED(lpPrimaryDDSurface->Unlock(NULL)))	{		MessageBox(NULL,Error_LockSurface,Surface_Error, MB_OK);	}}

	LockSurfaceDD7();	DrawPixelDD7(40,40,0,255,0,0,video_buffer,lpitch32);	UnlockSurfaceDD7();

// DRAWS A DIRECT DRAW 7 PIXELvoid DrawPixelDD7(int ix, int iy, int ialpha, int ired, int igreen, int iblue){	// build color word	unsigned int pixel = _RGB32BIT(ialpha,ired,igreen,iblue);	// write data	video_buffer[ix + iy*lpitch32] = pixel;}// LOCKS THE DIRECT DRAW 7 SURFACEvoid LockSurfaceDD7(){	if(FAILED(lpPrimaryDDSurface->Lock(NULL,&ddSD,DDLOCK_SURFACEMEMORYPTR | DDLOCK_WAIT, NULL)))	{		MessageBox(NULL,Error_LockSurface,Surface_Error, MB_OK);	}}// UNLOCKS THE DIRECT DRAW SURFACEvoid UnlockSurfaceDD7(){	if(FAILED(lpPrimaryDDSurface->Unlock(NULL)))	{		MessageBox(NULL,Error_LockSurface,Surface_Error, MB_OK);	}}

	LockSurfaceDD7();	DrawPixelDD7(40,40,0,255,0,0);	UnlockSurfaceDD7();