//*****************************************************************************
//
// This task provides overall control of the spiders, spawning and killing them
// in response to presses on the touch screen.
//
//*****************************************************************************
static void
ControlTask(void *pvParameters)
{
uint32_t ui32Message;
int32_t i32X, i32Y, i32Spider;
//
// Initialize the touch screen driver and register a callback function.
//
TouchScreenInit(g_ui32SysClock);
TouchScreenCallbackSet(ControlTouchCallback);
//
// Lower the priority of the touch screen interrupt handler. This is
// required so that the interrupt handler can safely call the interrupt-
// safe FreeRTOS functions (specifically to send messages to the queue).
//
IntPrioritySet(INT_ADC0SS3, 0xc0);
//
// Loop forever.
//
while(1)
{
//
// Read the next message from the queue.
//
if(xQueueReceive(g_pControlQueue, &ui32Message, portMAX_DELAY) ==
pdPASS)
{
//
// Extract the position of the screen touch from the message.
//
i32X = ui32Message >> 16;
i32Y = ui32Message & 65535;
//
// Ignore this screen touch if it is not inside the spider area.
//
if((i32X >= AREA_X) && (i32X < (AREA_X + AREA_WIDTH)) &&
(i32Y >= AREA_Y) && (i32Y < (AREA_Y + AREA_HEIGHT)))
{
//
// See if this position collides with any of the spiders.
//
i32Spider = SpiderTouchCollide(i32X, i32Y);
if(i32Spider == -1)
{
//
// There is no collision, so create a new spider (if
// possible) at this position.
//
CreateSpider(i32X, i32Y);
}
else
{
//
// There is a collision, so kill this spider.
//
HWREGBITW(&g_ui32SpiderDead, i32Spider) = 1;
}
}
}
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
static int nWidth, nHeight;
switch (iMsg)
{
case WM_CREATE:
{
SpiderWnd.Create(hwnd, 0, WS_CHILD | WS_VISIBLE, 0, 0, 100, 100);
dwDifficulty = IDC_DIF_ONECOLOR;
CreateSpider();
SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOZORDER);
dwAppStartTime = GetTickCount();
return 0;
}
case WM_DESTROY:
PostQuitMessage(0);
return 0;
case WM_SIZE:
nWidth = LOWORD(lParam);
nHeight = HIWORD(lParam);
MoveWindow(SpiderWnd, 0, 0, nWidth, nHeight, TRUE);
return 0;
case WM_GETMINMAXINFO:
{
MINMAXINFO *mmi;
mmi = (MINMAXINFO *)lParam;
mmi->ptMinTrackSize.x = NUM_STACKS * __cardwidth + (NUM_STACKS + 3) * X_BORDER + 12; // Border left and right of 6px
mmi->ptMinTrackSize.y = GetSystemMetrics(SM_CYCAPTION) +
GetSystemMetrics(SM_CYMENU) +
2 * Y_BORDER +
3 * __cardheight +
6 * yRowStackCardOffset;
return 0;
}
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDM_GAME_NEW:
NewGame();
return 0;
case IDM_GAME_DECK:
ShowDeckOptionsDlg(hwnd);
return 0;
case IDM_HELP_CONTENTS:
WinHelp(hwnd, szHelpPath, HELP_CONTENTS, 0);//HELP_KEY, (DWORD)"How to play");
return 0;
case IDM_HELP_ABOUT:
MessageBox(hwnd, MsgAbout, szAppName, MB_OK|MB_ICONINFORMATION);
return 0;
case IDM_GAME_EXIT:
PostMessage(hwnd, WM_CLOSE, 0, 0);
return 0;
}
return 0;
case WM_CLOSE:
if (fGameStarted == false)
{
DestroyWindow(hwnd);
return 0;
}
else
{
int ret;
ret = MessageBox(hwnd, MsgQuit, szAppName, MB_YESNO|MB_ICONQUESTION);
if (ret == IDYES)
{
WinHelp(hwnd, szHelpPath, HELP_QUIT, 0);
DestroyWindow(hwnd);
}
}
return 0;
}
return DefWindowProc (hwnd, iMsg, wParam, lParam);
}