isohex19_1.cpp

一個遊戲教程

						}
					}
				}break;
			case VK_NUMPAD1:
			case VK_END:
				{
					if(iGameState==GS_IDLE && pCurrentUnit!=NULL)//gamestate must be GS_IDLE
					{
						idMoveUnit=ISO_SOUTHWEST;//move to the north
						POINT ptNext=TileWalker.TileWalk(pCurrentUnit->ptPosition,idMoveUnit);//check the next position
						if(ptNext.x>=0 && ptNext.y>=0 && ptNext.x<MAPWIDTH && ptNext.y<MAPWIDTH)//bounds checking
						{
							if(mlMap[ptNext.x][ptNext.y].ulUnitList.empty())//if the map location is empty
							{
								iGameState=GS_STARTMOVE;//set the unit in motion
							}
							else
							{
								UNITLISTITER iter=mlMap[ptNext.x][ptNext.y].ulUnitList.begin();//get the first entry in the list
								PUNITINFO pUnitInfo=*iter;//get the unit from the list
								if(pUnitInfo->iTeam==pCurrentUnit->iTeam)//must be the same team
								{
									iGameState=GS_STARTMOVE;
								}
							}
						}
					}
				}break;
			case VK_NUMPAD4:
			case VK_LEFT:
				{
					if(iGameState==GS_IDLE && pCurrentUnit!=NULL)//gamestate must be GS_IDLE
					{
						idMoveUnit=ISO_WEST;//move to the north
						POINT ptNext=TileWalker.TileWalk(pCurrentUnit->ptPosition,idMoveUnit);//check the next position
						if(ptNext.x>=0 && ptNext.y>=0 && ptNext.x<MAPWIDTH && ptNext.y<MAPWIDTH)//bounds checking
						{
							if(mlMap[ptNext.x][ptNext.y].ulUnitList.empty())//if the map location is empty
							{
								iGameState=GS_STARTMOVE;//set the unit in motion
							}
							else
							{
								UNITLISTITER iter=mlMap[ptNext.x][ptNext.y].ulUnitList.begin();//get the first entry in the list
								PUNITINFO pUnitInfo=*iter;//get the unit from the list
								if(pUnitInfo->iTeam==pCurrentUnit->iTeam)//must be the same team
								{
									iGameState=GS_STARTMOVE;
								}
							}
						}
					}
				}break;
			case VK_NUMPAD7:
			case VK_HOME:
				{
					if(iGameState==GS_IDLE && pCurrentUnit!=NULL)//gamestate must be GS_IDLE
					{
						idMoveUnit=ISO_NORTHWEST;//move to the north
						POINT ptNext=TileWalker.TileWalk(pCurrentUnit->ptPosition,idMoveUnit);//check the next position
						if(ptNext.x>=0 && ptNext.y>=0 && ptNext.x<MAPWIDTH && ptNext.y<MAPWIDTH)//bounds checking
						{
							if(mlMap[ptNext.x][ptNext.y].ulUnitList.empty())//if the map location is empty
							{
								iGameState=GS_STARTMOVE;//set the unit in motion
							}
							else
							{
								UNITLISTITER iter=mlMap[ptNext.x][ptNext.y].ulUnitList.begin();//get the first entry in the list
								PUNITINFO pUnitInfo=*iter;//get the unit from the list
								if(pUnitInfo->iTeam==pCurrentUnit->iTeam)//must be the same team
								{
									iGameState=GS_STARTMOVE;
								}
							}
						}
					}
				}break;
			}
		}break;
	case WM_DESTROY://the window is being destroyed
		{

			//tell the application we are quitting
			PostQuitMessage(0);

			//handled message, so return 0
			return(0);

		}break;
	case WM_PAINT://the window needs repainting
		{
			//a variable needed for painting information
			PAINTSTRUCT ps;
			
			//start painting
			HDC hdc=BeginPaint(hwnd,&ps);

			/////////////////////////////
			//painting code would go here
			/////////////////////////////

			//end painting
			EndPaint(hwnd,&ps);
						
			//handled message, so return 0
			return(0);
		}break;
	}

	//pass along any other message to default message handler
	return(DefWindowProc(hwnd,uMsg,wParam,lParam));
}


//////////////////////////////////////////////////////////////////////////////
//WINMAIN
//////////////////////////////////////////////////////////////////////////////
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nShowCmd)
{
	//assign instance to global variable
	hInstMain=hInstance;

	//create window class
	WNDCLASSEX wcx;

	//set the size of the structure
	wcx.cbSize=sizeof(WNDCLASSEX);

	//class style
	wcx.style=CS_OWNDC | CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;

	//window procedure
	wcx.lpfnWndProc=TheWindowProc;

	//class extra
	wcx.cbClsExtra=0;

	//window extra
	wcx.cbWndExtra=0;

	//application handle
	wcx.hInstance=hInstMain;

	//icon
	wcx.hIcon=LoadIcon(NULL,IDI_APPLICATION);

	//cursor
	wcx.hCursor=LoadCursor(NULL,IDC_ARROW);

	//background color
	wcx.hbrBackground=(HBRUSH)GetStockObject(BLACK_BRUSH);

	//menu
	wcx.lpszMenuName=NULL;

	//class name
	wcx.lpszClassName=WINDOWCLASS;

	//small icon
	wcx.hIconSm=NULL;

	//register the window class, return 0 if not successful
	if(!RegisterClassEx(&wcx)) return(0);

	//create main window
	hWndMain=CreateWindowEx(0,WINDOWCLASS,WINDOWTITLE, WS_POPUP | WS_VISIBLE,0,0,320,240,NULL,NULL,hInstMain,NULL);

	//error check
	if(!hWndMain) return(0);

	//if program initialization failed, then return with 0
	if(!Prog_Init()) return(0);

	//message structure
	MSG msg;

	//message pump
	for(;;)	
	{
		//look for a message
		if(PeekMessage(&msg,NULL,0,0,PM_REMOVE))
		{
			//there is a message

			//check that we arent quitting
			if(msg.message==WM_QUIT) break;
			
			//translate message
			TranslateMessage(&msg);

			//dispatch message
			DispatchMessage(&msg);
		}

		//run main game loop
		Prog_Loop();
	}
	
	//clean up program data
	Prog_Done();

	//return the wparam from the WM_QUIT message
	return(msg.wParam);
}

//////////////////////////////////////////////////////////////////////////////
//INITIALIZATION
//////////////////////////////////////////////////////////////////////////////
bool Prog_Init()
{
	//create IDirectDraw object
	lpdd=LPDD_Create(hWndMain,DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWREBOOT);

	//set display mode
	lpdd->SetDisplayMode(640,480,16,0,0);

	//create primary surface
	lpddsMain=LPDDS_CreatePrimary(lpdd,1);

	//get back buffer
	lpddsBack=LPDDS_GetSecondary(lpddsMain);

	//create the frame buffer
	lpddsFrame=LPDDS_CreateOffscreen(lpdd,640,480);

	//load in the mousemap
	MouseMap.Load("MouseMap.bmp");

	//set up the tile plotter
	TilePlotter.SetMapType(ISOMAP_DIAMOND);//diamond mode
	TilePlotter.SetTileSize(MouseMap.GetWidth(),MouseMap.GetHeight());//grab width and height from mousemap

	//set up tile walker to diamond mode
	TileWalker.SetMapType(ISOMAP_DIAMOND);

	//set up screeen space
	RECT rcTemp;
	SetRect(&rcTemp,0,0,640,480);
	Scroller.SetScreenSpace(&rcTemp);

	//load in tiles and other images
	tsBack.Load(lpdd,"backgroundts.bmp");
	tsUnit.Load(lpdd,"units.bmp");
	tsShield.Load(lpdd,"shields.bmp");
	tsPressEnter.Load(lpdd,"PressEnter.bmp");

	//calculate the shield offsets
	ptShieldOffset[0].x=tsUnit.GetTileList()[0].rcSrc.right-tsUnit.GetTileList()[0].ptAnchor.x;
	ptShieldOffset[0].y=tsUnit.GetTileList()[0].rcSrc.top-tsUnit.GetTileList()[0].ptAnchor.y;
	ptShieldOffset[1].x=tsUnit.GetTileList()[1].rcSrc.right-tsUnit.GetTileList()[1].ptAnchor.x;
	ptShieldOffset[1].y=tsUnit.GetTileList()[1].rcSrc.top-tsUnit.GetTileList()[1].ptAnchor.y;

	//grab tile extent from tileset
	CopyRect(&rcTemp,&tsBack.GetTileList()[0].rcDstExt);

	//calculate the worldspace
	Scroller.CalcWorldSpace(&TilePlotter,&rcTemp,MAPWIDTH,MAPHEIGHT);

	//calculate the mousemap reference point
	MouseMap.CalcReferencePoint(&TilePlotter,&rcTemp);

	//calculate anchor space
	Scroller.CalcAnchorSpace();

	//set wrap modes for scroller
	Scroller.SetHWrapMode(WRAPMODE_CLIP);
	Scroller.SetVWrapMode(WRAPMODE_CLIP);

	//set scroller anchor to (0,0)
	Scroller.GetAnchor()->x=0;
	Scroller.GetAnchor()->y=0;

	//attach scrolelr and tilewalker to mousemap
	MouseMap.SetScroller(&Scroller);
	MouseMap.SetTileWalker(&TileWalker);

	//set up the map to a random tilefield
	int x;
	int y;
	for(x=0;x<MAPWIDTH;x++)
	{
		for(y=0;y<MAPHEIGHT;y++)
		{
			mlMap[x][y].ulUnitList.clear();//clear out the list for this map location
		}
	}

	//place the units
	int team;
	int count;
	PUNITINFO pUnitInfo;
	POINT ptTest;
	for(team=0;team<2;team++)//place units for both teams
	{
		for(count=0;count<20;count++)//place 20 units for each team
		{
			//check for a valid placement
			bool found=false;
			while(!found)
			{
				//random placement
				ptTest.x=rand()%MAPWIDTH;
				ptTest.y=rand()%MAPHEIGHT;
				//check for a unit at that position
				if(mlMap[ptTest.x][ptTest.y].ulUnitList.empty())
				{
					//unit list at location is empty... you can place the unit
					found=true;
				}
				else
				{
					//unit list is not empty, so must be occupied by the same team to be a valid location
					UNITLISTITER iter=mlMap[ptTest.x][ptTest.y].ulUnitList.begin();//get iterator to beginning of list
					pUnitInfo=*iter;//grab the items stored
					//check for the same team
					if(pUnitInfo->iTeam==team)
					{
						//same team, valid location
						found=true;
					}

				}
			}
			//create the unit
			pUnitInfo=new UnitInfo;
			pUnitInfo->iTeam=team;//team
			pUnitInfo->iType=rand()%2;//type
			pUnitInfo->bHolding=false;//not holding position
			pUnitInfo->ptPosition=ptTest;//location
			//place unit in the main list
			MainUnitList.push_back(pUnitInfo);
			//place unit on the map
			mlMap[pUnitInfo->ptPosition.x][pUnitInfo->ptPosition.y].ulUnitList.push_back(pUnitInfo);
		}
	}

	//calculate the extent rect
	RECT rcExtent;
	CopyRect(&rcExtent,&tsBack.GetTileList()[0].rcDstExt);//set to background extent
	UnionRect(&rcExtent,&rcExtent,&tsUnit.GetTileList()[0].rcDstExt);//union with unit extent
	rcExtent.right+=tsShield.GetTileList()[0].rcDstExt.right;//adjust the extent for the width of the shield

	//set up the renderer
	Renderer.SetBackBuffer(lpddsBack);
	Renderer.SetExtentRect(&rcExtent);
	Renderer.SetFrameBuffer(lpddsFrame);
	Renderer.SetMapSize(MAPWIDTH,MAPHEIGHT);
	Renderer.SetMouseMap(&MouseMap);
	Renderer.SetPlotter(&TilePlotter);
	Renderer.SetRenderFunction(RenderFunc);
	Renderer.SetScroller(&Scroller);
	Renderer.SetUpdateRectCount(100);
	Renderer.SetWalker(&TileWalker);

	//set the initial gamestate
	iGameState=GS_STARTTURN;
	iCurrentTeam=0;//current team
	TeamUnitList.clear();//clear out the team's unit list

	//set up the selection window variables
	DDPIXELFORMAT ddpf;
	DDPF_Clear(&ddpf);
	lpddsMain->GetPixelFormat(&ddpf);//grab pixel format
	ddpf.dwRBitMask=(ddpf.dwRBitMask*3/4)&(ddpf.dwRBitMask);//calculate 3/4 red
	ddpf.dwGBitMask=(ddpf.dwGBitMask*3/4)&(ddpf.dwGBitMask);//calc 3/4 green
	ddpf.dwBBitMask=(ddpf.dwBBitMask*3/4)&(ddpf.dwBBitMask);//calc 3/4 blue
	dwSelectWindowColor=ddpf.dwBBitMask | ddpf.dwRBitMask | ddpf.dwGBitMask;//make select window color

	//calculate the cell size
	RECT rcCell;
	CopyRect(&rcCell,&tsUnit.GetTileList()[0].rcDstExt);
	UnionRect(&rcCell,&rcCell,&tsUnit.GetTileList()[1].rcDstExt);
	rcCell.right+=(tsShield.GetTileList()[0].rcDstExt.right-tsShield.GetTileList()[0].rcDstExt.left);
	//cell size
	ptCellSize.x=rcCell.right-rcCell.left;
	ptCellSize.y=rcCell.bottom-rcCell.top;
	//unit offset
	ptUnitOffset.x=-rcCell.left;
	ptUnitOffset.y=-rcCell.top;
	//calculate select window rect
	SetRect(&rcSelectWindow,0,0,ptCellSize.x*5,ptCellSize.y*4);
	//center the select window
	OffsetRect(&rcSelectWindow,320-rcSelectWindow.right/2,240-rcSelectWindow.bottom/2);
	
	//update the entire screenspace
	Renderer.AddRect(Scroller.GetScreenSpace());

	return(true);//return success
}

//////////////////////////////////////////////////////////////////////////////
//CLEANUP
//////////////////////////////////////////////////////////////////////////////
void Prog_Done()
{
	//release frame buffer
	LPDDS_Release(&lpddsFrame);

	//release main/back surfaces
	LPDDS_Release(&lpddsMain);

	//release directdraw
	LPDD_Release(&lpdd);
}

//////////////////////////////////////////////////////////////////////////////