www.pudn.com > CDX.rar > ex10.cpp
/////////////////////////////////////////////////////////////////////
// ex10.cpp : Defines the entry point for the application.
/////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////
// Generated by the CDX Application Wizard
// By: Michael Rich [istan@alltel.net]
//
// With valuable help from:
// Ioannis Karagiorgos, for the debugging help
// Bil Simser, for the good ideas and constructive criticism
/////////////////////////////////////////////////////////////////////
#define WIN32_LEAN_AND_MEAN
#define CDXINCLUDEALL
#include
#include
#include "resource.h"
/////////////////////////////////////////////////////////////////////
// Global Variables
/////////////////////////////////////////////////////////////////////
char szAppName[] = "ex10";
char szClassName[] = "Ex10WndClass";
HINSTANCE g_hInst; // instance handle
HWND g_hWnd; // window handle
BOOL g_bFullScreen = TRUE; // running fullscreen?
/////////////////////////////////////////////////////////////////////
// CDX Objects
/////////////////////////////////////////////////////////////////////
CDXScreen *Screen = 0;
/////////////////////////////////////////////////////////////////////
// Forward declarations
/////////////////////////////////////////////////////////////////////
void AdjustWinStyle();
POINT increment[4] = {{-1, 0}, {0, 1}, {1, 0}, {0, -1}};
POINT left[4] = {{0, -1}, {-1, 0}, {0, 1}, {1, 0}};
POINT right[4] = {{0, 1}, {1, 0}, {0, -1}, {-1, 0}};
POINT pos = {1, 3};
int direction = 1;
int visibility = 4;
#define WALL_COLOR RGB(255, 255, 255)
#define TEXT_COLOR RGB(255, 255, 0)
#define SCREEN_WIDTH 320
#define SCREEN_HEIGHT 200
#define MAZE_WIDTH 16
#define MAZE_HEIGHT 16
//
// NOTE: this could be in a CDXMap file and loaded at startup. The code
// to access it later is basically the same as using an array like this
//
char maze[MAZE_WIDTH][MAZE_HEIGHT] = {
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1},
{1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1},
{1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1},
{1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1},
{1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1},
{1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
};
/////////////////////////////////////////////////////////////////////
// DrawText - draw some text to show where we are and which direction we're facing
/////////////////////////////////////////////////////////////////////
void DrawText()
{
char sz[80];
char *dirs[] = { "E", "N", "W", "S" };
sprintf(sz, "X: %d, Y: %d, %s", pos.x, pos.y, dirs[direction]);
Screen->GetBack()->GetDC();
Screen->GetBack()->TextXY(10, 10, TEXT_COLOR, sz);
Screen->GetBack()->ReleaseDC();
}
/////////////////////////////////////////////////////////////////////
// DrawMaze - draw the psudeo 3D maze
/////////////////////////////////////////////////////////////////////
void DrawMaze()
{
POINT block, lblock, rblock;
int dist;
Screen->GetBack()->Lock();
for(dist=0; distGetBack()->Line(82, 19, 135, 44, WALL_COLOR);
Screen->GetBack()->Line(135, 44, 135, 93, WALL_COLOR);
Screen->GetBack()->Line(135, 93, 82, 118, WALL_COLOR);
}
else
{
// draw opening
Screen->GetBack()->Line(82, 44, 135, 44, WALL_COLOR);
Screen->GetBack()->Line(135, 44, 135, 93, WALL_COLOR);
Screen->GetBack()->Line(135, 93, 82, 93, WALL_COLOR);
}
// wall open to right?
if(maze[rblock.x][rblock.y])
{
Screen->GetBack()->Line(294, 19, 242, 44, WALL_COLOR);
Screen->GetBack()->Line(242, 44, 242, 93, WALL_COLOR);
Screen->GetBack()->Line(294, 118, 242, 93, WALL_COLOR);
}
else
{
// draw opening
Screen->GetBack()->Line(294, 44, 242, 44, WALL_COLOR);
Screen->GetBack()->Line(242, 44, 242, 93, WALL_COLOR);
Screen->GetBack()->Line(242, 93, 294, 93, WALL_COLOR);
}
break;
case 1:
// can we see the next square?
// if not, draw the wall
if(maze[block.x][block.y])
{
Screen->GetBack()->Line(135, 44, 135, 93, WALL_COLOR);
Screen->GetBack()->Line(242, 44, 242, 93, WALL_COLOR);
Screen->GetBack()->Line(135, 44, 242, 44, WALL_COLOR);
Screen->GetBack()->Line(135, 93, 242, 93, WALL_COLOR);
}
else
{
// draw sides of next square
if(maze[lblock.x][lblock.y])
{
Screen->GetBack()->Line(135, 44, 162, 57, WALL_COLOR);
Screen->GetBack()->Line(162, 57, 162, 80, WALL_COLOR);
Screen->GetBack()->Line(162, 80, 135, 93, WALL_COLOR);
}
else
{
Screen->GetBack()->Line(135, 57, 162, 57, WALL_COLOR);
Screen->GetBack()->Line(162, 57, 162, 80, WALL_COLOR);
Screen->GetBack()->Line(162, 80, 135, 80, WALL_COLOR);
}
if(maze[rblock.x][rblock.y])
{
Screen->GetBack()->Line(242, 44, 215, 57, WALL_COLOR);
Screen->GetBack()->Line(215, 57, 215, 80, WALL_COLOR);
Screen->GetBack()->Line(215, 80, 242, 93, WALL_COLOR);
}
else
{
Screen->GetBack()->Line(242, 57, 215, 57, WALL_COLOR);
Screen->GetBack()->Line(215, 57, 215, 80, WALL_COLOR);
Screen->GetBack()->Line(215, 80, 242, 80, WALL_COLOR);
}
}
break;
case 2:
if(maze[block.x][block.y])
{
Screen->GetBack()->Line(162, 57, 162, 80, WALL_COLOR);
Screen->GetBack()->Line(215, 57, 215, 80, WALL_COLOR);
Screen->GetBack()->Line(162, 57, 215, 57, WALL_COLOR);
Screen->GetBack()->Line(162, 80, 215, 80, WALL_COLOR);
}
else
{
if(maze[lblock.x][lblock.y])
{
Screen->GetBack()->Line(162, 57, 175, 63, WALL_COLOR);
Screen->GetBack()->Line(175, 63, 175, 74, WALL_COLOR);
Screen->GetBack()->Line(175, 74, 162, 80, WALL_COLOR);
}
else
{
Screen->GetBack()->Line(162, 63, 175, 63, WALL_COLOR);
Screen->GetBack()->Line(175, 63, 175, 74, WALL_COLOR);
Screen->GetBack()->Line(175, 74, 162, 74, WALL_COLOR);
}
if(maze[rblock.x][rblock.y])
{
Screen->GetBack()->Line(215, 57, 202, 63, WALL_COLOR);
Screen->GetBack()->Line(202, 63, 202, 74, WALL_COLOR);
Screen->GetBack()->Line(202, 74, 215, 80, WALL_COLOR);
}
else
{
Screen->GetBack()->Line(215, 63, 202, 63, WALL_COLOR);
Screen->GetBack()->Line(202, 63, 202, 74, WALL_COLOR);
Screen->GetBack()->Line(202, 74, 215, 74, WALL_COLOR);
}
}
break;
case 3:
if(maze[block.x][block.y])
{
Screen->GetBack()->Line(175, 63, 175, 74, WALL_COLOR);
Screen->GetBack()->Line(202, 63, 202, 74, WALL_COLOR);
Screen->GetBack()->Line(175, 63, 202, 63, WALL_COLOR);
Screen->GetBack()->Line(175, 74, 202, 74, WALL_COLOR);
}
else
{
if(maze[lblock.x][lblock.y])
{
Screen->GetBack()->Line(175, 63, 182, 66, WALL_COLOR);
Screen->GetBack()->Line(182, 66, 182, 70, WALL_COLOR);
Screen->GetBack()->Line(182, 70, 175, 74, WALL_COLOR);
}
else
{
Screen->GetBack()->Line(175, 66, 182, 66, WALL_COLOR);
Screen->GetBack()->Line(182, 66, 182, 70, WALL_COLOR);
Screen->GetBack()->Line(182, 70, 175, 70, WALL_COLOR);
}
if(maze[rblock.x][rblock.y])
{
Screen->GetBack()->Line(202, 63, 195, 66, WALL_COLOR);
Screen->GetBack()->Line(195, 66, 195, 70, WALL_COLOR);
Screen->GetBack()->Line(195, 70, 202, 74, WALL_COLOR);
}
else
{
Screen->GetBack()->Line(202, 66, 195, 66, WALL_COLOR);
Screen->GetBack()->Line(195, 66, 195, 70, WALL_COLOR);
Screen->GetBack()->Line(195, 70, 202, 70, WALL_COLOR);
}
}
break;
}
// if view is obscured by wall, stop drawing
if(maze[block.x][block.y])
break;
}
Screen->GetBack()->UnLock();
}
/////////////////////////////////////////////////////////////////////
// cdx_Init - handles initialization of the CDX objects
/////////////////////////////////////////////////////////////////////
BOOL cdx_Init()
{
// Create the CDXSreen object
Screen = new CDXScreen();
if (Screen==NULL) return FALSE;
// start app fullscreen
if (FAILED(Screen->CreateFullScreen(g_hWnd, SCREEN_WIDTH, SCREEN_HEIGHT, 8))) return FALSE;
// TODO: Initialize your own CDX objects here
return TRUE;
}
/////////////////////////////////////////////////////////////////////
// cdx_DeInit - handles cleanup of CDX objects
/////////////////////////////////////////////////////////////////////
void cdx_DeInit()
{
// TODO: Destroy your CDX objects here
SAFEDELETE(Screen);
}
/////////////////////////////////////////////////////////////////////
// cdx_DoFrame - performs drawing of the current frame
/////////////////////////////////////////////////////////////////////
void cdx_DoFrame()
{
// clear the current frame
Screen->GetBack()->Fill(0);
// TODO: Add code to draw your objects during each frame
DrawMaze();
DrawText();
Screen->Flip(); // Flip the back buffer to the front
}
/////////////////////////////////////////////////////////////////////
// AdjustWinStyle - adjusts the window style according to the mode
/////////////////////////////////////////////////////////////////////
static void AdjustWinStyle()
{
if (g_bFullScreen)
{
DWORD dwStyle;
// Change window attributes
dwStyle = WS_POPUP | WS_VISIBLE;
SetWindowLong(g_hWnd, GWL_STYLE, dwStyle);
SetWindowPos(g_hWnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOACTIVATE |
SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
}
else
{
RECT rect = {0, 0, SCREEN_WIDTH, SCREEN_HEIGHT};
DWORD dwStyle;
// Change window attributes
dwStyle = GetWindowStyle(g_hWnd);
dwStyle &= ~WS_POPUP;
dwStyle |= WS_OVERLAPPED | WS_CAPTION;
SetWindowLong(g_hWnd, GWL_STYLE, dwStyle);
// Resize the window so that the client area is 640x480
AdjustWindowRectEx(&rect, GetWindowStyle(g_hWnd), GetMenu(g_hWnd) != NULL,
GetWindowExStyle(g_hWnd));
// Just in case the window was moved off the visible area of the
// screen.
SetWindowPos(g_hWnd, NULL, 0, 0, rect.right-rect.left,
rect.bottom-rect.top, SWP_NOMOVE | SWP_NOZORDER |
SWP_NOACTIVATE);
SetWindowPos(g_hWnd, HWND_NOTOPMOST, 0, 0, 0, 0,
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
}
}
/////////////////////////////////////////////////////////////////////
// WinProc - handles application messages
/////////////////////////////////////////////////////////////////////
static long PASCAL WinProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_KEYDOWN:
switch(wParam)
{
case VK_UP:
// move 1 square forward, beep if unavailable
switch(direction)
{
case 0:
pos.x++;
if(pos.x > MAZE_WIDTH)
{
pos.x = MAZE_WIDTH;
MessageBeep(MB_OK);
}
break;
case 1:
pos.y++;
if(pos.y > MAZE_HEIGHT)
{
pos.y = MAZE_HEIGHT;
MessageBeep(MB_OK);
}
break;
case 2:
pos.x--;
if(pos.x < 0)
{
pos.x = 0;
MessageBeep(MB_OK);
}
break;
case 3:
pos.y--;
if(pos.y < 0)
{
pos.y = 0;
MessageBeep(MB_OK);
}
break;
}
break;
case VK_DOWN:
// move 1 square backward, beep if unavailable
switch(direction)
{
case 0:
pos.x--;
if(pos.x < 0)
{
pos.x = 0;
MessageBeep(MB_OK);
}
break;
case 1:
pos.y--;
if(pos.y < 0)
{
pos.y = 0;
MessageBeep(MB_OK);
}
break;
case 2:
pos.x++;
if(pos.x > MAZE_WIDTH)
{
pos.x = MAZE_WIDTH;
MessageBeep(MB_OK);
}
break;
case 3:
pos.y++;
if(pos.y > MAZE_HEIGHT)
{
pos.y = MAZE_HEIGHT;
MessageBeep(MB_OK);
}
break;
}
break;
case VK_LEFT:
// turn to the left
if(direction == 0)
direction = 3;
else
direction--;
break;
case VK_RIGHT:
// turn to the right
if(direction == 3)
direction = 0;
else
direction++;
break;
case VK_ESCAPE:
// if Escape is pressed, close the application
SendMessage(hWnd, WM_CLOSE, 0, 0);
break;
}
return 0;
case WM_SYSKEYUP:
// Alt+Enter switches modes
if (wParam == VK_RETURN)
{
g_bFullScreen = !g_bFullScreen;
if(g_bFullScreen)
{
AdjustWinStyle();
// we need to destroy and recreate the supporting CDX objects
// that can't survive intact when we switch back to fullscreen mode
{
// TODO: add your own CDX objects that would have to be destroyed
// on a mode switch (they will be recreated below)
}
Screen->CreateFullScreen(g_hWnd, SCREEN_WIDTH, SCREEN_HEIGHT, 8);
{
// TODO: recreate your CDX objects that were destroyed above
}
}
else
{
Screen->GetDD()->RestoreDisplayMode();
AdjustWinStyle();
// we need to destroy and recreate the supporting CDX objects
// that can't survive intact when we switch back to windowed mode
{
// TODO: add your own CDX objects that would have to be destroyed
// on a mode switch (they will be recreated below)
}
Screen->CreateWindowed(g_hWnd, SCREEN_WIDTH, SCREEN_HEIGHT);
{
// TODO: recreate your CDX objects that were destroyed above
}
}
return 0;
}
return 1;
case WM_SETCURSOR:
SetCursor(NULL);
return 1;
case WM_CLOSE:
cdx_DeInit();
case WM_DESTROY:
PostQuitMessage(0);
return 0;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
}
/////////////////////////////////////////////////////////////////////
// ChangeToEXEDir - sets CWD to the DIR the EXE is in
/////////////////////////////////////////////////////////////////////
static void ChangeToEXEDir()
{
char buf[MAX_PATH];
char *cptr;
//now change the directory
//to make sure were accessing the proper file
GetModuleFileName(NULL, buf, MAX_PATH);
//move pointer to end of string
cptr = buf + lstrlen(buf);
//find the end of the path
do
{
cptr--;
} while (*cptr != '\\');
cptr++;
*cptr='\0';
//change directory
SetCurrentDirectory(buf);
}
/////////////////////////////////////////////////////////////////////
// InitApp - Create the window and the CDX objects
/////////////////////////////////////////////////////////////////////
static BOOL InitApp(int nCmdShow)
{
WNDCLASS WndClass;
WndClass.style = CS_HREDRAW | CS_VREDRAW;
WndClass.lpfnWndProc = WinProc;
WndClass.cbClsExtra = 0;
WndClass.cbWndExtra = 0;
WndClass.hInstance = g_hInst;
WndClass.hIcon = LoadIcon(g_hInst, "APPICON");
WndClass.hCursor = LoadCursor(0, IDC_ARROW);
WndClass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
WndClass.lpszMenuName = 0;
WndClass.lpszClassName = szClassName;
RegisterClass(&WndClass);
g_hWnd = CreateWindowEx(
WS_EX_TOPMOST,
szClassName,
szAppName,
WS_POPUP,
0,
0,
SCREEN_WIDTH,
SCREEN_HEIGHT,
NULL,
NULL,
g_hInst,
NULL);
if(!g_hWnd) return FALSE;
ShowWindow(g_hWnd, nCmdShow);
UpdateWindow(g_hWnd);
ChangeToEXEDir();
return TRUE;
}
/////////////////////////////////////////////////////////////////////
// WinMain - inital function called by windows
/////////////////////////////////////////////////////////////////////
int PASCAL WinMain(HINSTANCE hInstance, HINSTANCE hPrevInst, LPSTR lpCmdLine, int nCmdShow)
{
MSG msg;
// save the app instance
g_hInst = hInstance;
if(!InitApp(nCmdShow)) return FALSE;
cdx_Init();
while(1)
{
if(PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE))
{
if(!GetMessage(&msg, NULL, 0, 0 )) return msg.wParam;
TranslateMessage(&msg);
DispatchMessage(&msg);
}
else
{
cdx_DoFrame();
}
}
}