Unregistered
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пишу 2D tile engine на с++. вроде бы нормально выводит все тайлы, но когда двигается камера, некоторые тайлы "прыгают" за камерой. вобщем вот .rar (в архиве .exe и картинка тайлов). http://laputaqtepario.webcindario.com/tile_engine.rarпосмотри плиз что там не так. вот сурс: main.cpp | Код |
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <stdio.h>
#include <ddraw.h>
#include "grafics_my.h"
HINSTANCE hMainInstance;
HWND hMainWindow;
UCHAR * bmpBuffer;
LPBYTE BMPBuffer;
int iMap[MAP_WIDTH][MAP_HEIGHT];
cTile * Tile;
int Camx, Camy;
LPDIRECTDRAW7 lpdd7;
LPDIRECTDRAWSURFACE7 lpddsPrimary;
LPDIRECTDRAWSURFACE7 lpddsBack;
LPDIRECTDRAWSURFACE7 lpddsBMP;
LPDIRECTDRAWCLIPPER lpddClipper;
DDSURFACEDESC2 ddsd;
DDBLTFX fx;
//local variables (used in this file (main.cpp))
float dwStart, TotTime;
int TotFrames;
char fpsBuf[5], PosBufx[9], PosBufy[9];
HDC hDc;
RECT rcText = {5, 5, 100, 20};
RECT rcPosBufx = {5, 20, 100, 40};
RECT rcPosBufy = {5, 40, 100, 60};
int WINAPI WinMain(HINSTANCE hinstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
WNDCLASSEX winclass;
HWND hwnd;
MSG msg;
int x;
winclass.cbSize = sizeof(WNDCLASSEX);
winclass.style = CS_DBLCLKS | CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
winclass.lpfnWndProc = WindowProc;
winclass.cbClsExtra = 0;
winclass.cbWndExtra = 0;
winclass.hInstance = hinstance;
winclass.hIcon = LoadIcon(NULL, IDI_WINLOGO);
winclass.hCursor = LoadCursor(NULL, IDC_ARROW);
winclass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
winclass.lpszMenuName = NULL;
winclass.lpszClassName = "COOL_G";
winclass.hIconSm = LoadIcon(NULL, IDI_WINLOGO);
if (!RegisterClassEx(&winclass))
return(0);
hwnd = CreateWindowEx(NULL, "COOL_G", "COOL_GAME",
WS_POPUP | WS_VISIBLE, CW_USEDEFAULT,
CW_USEDEFAULT, 800, 600, NULL, NULL,
hinstance, NULL);
hMainWindow = hwnd;
hMainInstance = hinstance;
hDc = GetDC(hMainWindow);
if (Initialize() && Initialize_game())
{
while (TRUE)
{
dwStart = GetTickCount();
if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
if (msg.message == WM_QUIT)
break;
TranslateMessage(&msg);
DispatchMessage(&msg);
}
/*----------------draw here---------------*/
check_input();
draw_all_the_stuff();
TotTime += (GetTickCount() - dwStart);
TotFrames++;
if (TotTime >= 1000)
{
itoa(TotFrames, fpsBuf, sizeof(fpsBuf));
TotTime = 0;
TotFrames = 0;
}
DrawText(hDc, fpsBuf, strlen(fpsBuf), &rcText, DT_BOTTOM);
itoa(Camx, PosBufx, sizeof(PosBufx));
itoa(Camy, PosBufy, sizeof(PosBufy));
DrawText(hDc, PosBufx, strlen(PosBufx), &rcPosBufx, DT_BOTTOM);
DrawText(hDc, PosBufy, strlen(PosBufy), &rcPosBufy, DT_BOTTOM);
/*--------------------draw ends-------------*/
}
}
else
MessageBox(hMainWindow, "Initialization failed!", "Error", MB_OK | MB_ICONEXCLAMATION);
Shutdown();
return(msg.wParam);
}
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grafics_my.h | Код |
#define INIT_DXSTRUCT(dxstruct) { ZeroMemory(&dxstruct, sizeof(dxstruct)); dxstruct.dwSize = sizeof(dxstruct); }
#define KEYSTATE(key) ((GetAsyncKeyState(key) & 0x8000) ? TRUE : FALSE)
#define RGB_32(r, g, b) ((r << 16) | (g << 8) | (b))
#define FPS 60;
#define MAP_WIDTH 40
#define MAP_HEIGHT 30
#define TILE_WIDTH 32
#define TILE_HEIGHT 32
class cTile
{
public:
RECT Location;
bool WalkOn;
int AnimSpeed;
DWORD Flags;
cTile * Next;
void AnimateTile();
};
extern HINSTANCE hMainInstance;
extern HWND hMainWindow;
extern UCHAR * bmpBuffer;
extern LPBYTE BMPBuffer;
extern cTile * Tile;
extern int iMap[MAP_WIDTH][MAP_HEIGHT];
extern int Camx, Camy;
extern LPDIRECTDRAW7 lpdd7;
extern LPDIRECTDRAWSURFACE7 lpddsPrimary;
extern LPDIRECTDRAWSURFACE7 lpddsBack;
extern LPDIRECTDRAWSURFACE7 lpddsBMP;
extern LPDIRECTDRAWCLIPPER lpddClipper;
extern DDSURFACEDESC2 ddsd;
extern DDBLTFX fx;
int Initialize(void);
int Initialize_game(void);
inline void PlotPixel32(int x, int y, UINT color, UINT *buffer, int nPitch);
void draw_all_the_stuff(void);
void Shutdown(void);
void check_input(void);
void RenderMap(void);
void InitMap(void);
void InitTile(void);
HRESULT DDCopyBitmap(IDirectDrawSurface7 *pdds, HBITMAP hbm, int dx, int dy);
IDirectDrawSurface7 * CreateOffScreenSurface(IDirectDraw7 *pdd, int dx, int dy);
IDirectDrawSurface7 * DDLoadBitmap(IDirectDraw7 *pdd, LPCSTR szBitmap);
LRESULT CALLBACK WindowProc(HWND, UINT, WPARAM, LPARAM);
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grafics_my.cpp (убрал ф-ции инициализации директХ и загруски bmp с тайлами) | Код |
#include <windows.h>
#include <stdio.h>
#include <ddraw.h>
#include "grafics_my.h"
void InitTile()
{
int i;
RECT TempRect;
for (i=0;i<4;i++)
{
SetRect(&TempRect, 0, i*TILE_HEIGHT, TILE_WIDTH, i*TILE_HEIGHT+TILE_HEIGHT);
Tile[i].Location = TempRect;
}
}
int Initialize_game(void)
{
Tile = new cTile[4];
//int * iMap;
//iMap = new int[300][300];
InitTile();
InitMap();
Camx = 0;
Camy = 0;
return(true);
}
void InitMap(void)
{
int x, y;
for (x=0;x<MAP_WIDTH;x++)
{
for (y=0;y<MAP_HEIGHT;y++)
{
iMap[x][y] = 1;
}
}
for (x=0;x<20;x++)
{
iMap[x][5] = 0;
iMap[x][7] = 0;
}
iMap[11][12] = 2;
iMap[11][13] = 2;
iMap[11][14] = 2;
iMap[10][13] = 3;
iMap[rand()%MAP_WIDTH][rand()%MAP_HEIGHT] = 3;
iMap[rand()%MAP_WIDTH][rand()%MAP_HEIGHT] = 3;
}
void RenderMap(void)
{
int x, y, xStart, xEnd, yStart, yEnd;
RECT rcDest = {0, 0, TILE_WIDTH, TILE_HEIGHT};
xStart = Camx / TILE_WIDTH;
yStart = Camx / TILE_HEIGHT;
xEnd = xStart + 25;
yEnd = yStart + 19;
if (!Camx % TILE_WIDTH)
xEnd --;
else
{
rcDest.left -= (Camx % TILE_WIDTH);
rcDest.right -= (Camx % TILE_WIDTH);
}
if (!Camy % TILE_HEIGHT)
yEnd --;
else
{
rcDest.top -= (Camy % TILE_HEIGHT);
rcDest.bottom -= (Camy % TILE_HEIGHT);
}
if (xEnd > MAP_WIDTH)
xEnd = MAP_WIDTH;
if (yEnd > MAP_HEIGHT)
yEnd = MAP_HEIGHT;
for (x=xStart;x<=xEnd;x++)
{
for (y=yStart;y<=yEnd;y++)
{
lpddsBack->Blt(&rcDest, lpddsBMP, &Tile[iMap[x][y]].Location, DDBLT_WAIT, NULL);
rcDest.top += TILE_HEIGHT;
rcDest.bottom += TILE_HEIGHT;
}
rcDest.left += TILE_WIDTH;
rcDest.right += TILE_WIDTH;
rcDest.bottom -= ((yEnd - yStart + 1) << 5);
rcDest.top -= ((yEnd - yStart + 1) << 5);
}
}
void Shutdown(void)
{
if (lpddsPrimary)
{
// kill the primary surface!
lpddsPrimary->Release();
lpddsPrimary = NULL;
}
if (lpdd7)
{
// blow away DirectDraw!
lpdd7->Release();
lpdd7 = NULL;
}
// destroy the window!
CloseWindow(hMainWindow);
// assassinate COM! :)
CoUninitialize();
}
void draw_all_the_stuff(void)
{
//Tile.AnimateTile();
RenderMap();
lpddsPrimary->Flip(NULL, DDFLIP_WAIT);
}
void check_input(void)
{
if(KEYSTATE(VK_LEFT))
{
if (Camx - 5 >= 0)
Camx -= 5;
}
else if(KEYSTATE(VK_RIGHT))
{
if (Camx <= ((MAP_WIDTH-20)*40 - 5))
Camx += 5;
}
else if (KEYSTATE(VK_UP))
{
if (Camy - 5 >= 0)
Camy -= 5;
}
else if (KEYSTATE(VK_DOWN))
{
if (Camy < ((MAP_HEIGHT-20)*40 - 5))
Camy += 5;
}
else if(KEYSTATE(VK_ESCAPE))
{
PostQuitMessage(0);
}
}
LRESULT CALLBACK WindowProc(HWND hwnd, UINT msg,
WPARAM wparam, LPARAM lparam)
{
return(DefWindowProc(hwnd, msg, wparam, lparam));
}
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вобщем помогите плиз разобраться в чем тут проблема. заранее сэнкс |
трабли с tile engine'ом 
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