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/*
$Id: init_win32.cpp,v 1.38 2002/01/16 02:00:57 mbn Exp $
------------------------------------------------------------------------
ClanLib, the platform independent game SDK.
This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
version 2. See COPYING for details.
For a total list of contributers see CREDITS.
------------------------------------------------------------------------
File purpose:
This file is the WinMain entry point. It will setup the clanCore
win32 environment.
This file also contain the win32 specific implementations
of the CL_System class.
The win32 versions of CL_SetupCore functions are also defined here.
*/
#include "Core/precomp.h" // visual c++: precompiled header file MUST be mentioned FIRST.
#ifdef BORLAND
#include <stdio.h>
#pragma hdrstop
#endif
#include "init_win32.h"
#include "API/Core/System/keep_alive.h"
#include "API/Core/System/setupcore.h"
#include "API/Core/System/error.h"
#include "API/Core/System/cl_assert.h"
class CL_Win32Event_Dispatcher : public CL_KeepAlive
{
public:
virtual void keep_alive();
};
static void calc_commandline(int *argc, char ***argv);
int datafile_main(int argc, char **argv);
// Setup a CL_System::keep_alive() listener that will read win32 events
// and dispatch them.
CL_Win32Event_Dispatcher *event_dispatcher = NULL;
void CL_SetupCore::set_instance(HINSTANCE hInstance)
{
CL_System_Win32::hInstance = hInstance;
}
static int init_ref_count = 0;
void init_system()
{
init_ref_count++;
if (init_ref_count > 1) return;
event_dispatcher = new CL_Win32Event_Dispatcher;
// if you get this assertion, you forgot to call CL_SetupCore::set_instance()
// prior to CL_SetupCore::init().
cl_assert(CL_System_Win32::hInstance != NULL);
// Redirect C++ output streams to the output window in developer studio:
// std::cout = iostream(&debug_buf);
// cerr = iostream(&debug_buf);
}
void deinit_system()
{
init_ref_count--;
if (init_ref_count > 0) return;
delete event_dispatcher;
event_dispatcher = NULL;
// And then shutdown core anyways - we assume the developer is an idiot!
// CL_SetupCore::deinit_display();
// CL_SetupCore::deinit_sound();
}
void CL_Win32Event_Dispatcher::keep_alive()
{
// Check for win32 events and dispatch them to MainMessageHandler().
MSG msg;
while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) == TRUE)
{
if (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
else
{
CL_System::sig_quit().call();
break;
}
}
}
LONG WINAPI MainMessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
// Route the win32 events through our Win32 event listener list.
// If no listener handles the event, pass it on to the default window procedure.
bool handled = false;
for (
std::list<CL_Win32EventListener *>::iterator it = CL_System_Win32::listeners.begin();
it != CL_System_Win32::listeners.end();
it++)
{
if ((*it)->received_event(uMsg, wParam, lParam)) handled = true;
}
if (handled) return TRUE;
switch (uMsg)
{
case WM_CLOSE:
PostQuitMessage(0);
break;
case WM_PAINT:
{
PAINTSTRUCT ps;
BeginPaint(hWnd, &ps);
EndPaint(hWnd, &ps);
}
break;
default:
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
return TRUE;
}
void CL_System_Win32::add_listener(CL_Win32EventListener *listener)
{
listeners.push_back(listener);
}
void CL_System_Win32::remove_listener(CL_Win32EventListener *listener)
{
listeners.remove(listener);
}
// Win32 implementation of CL_System functions:
unsigned int CL_System::get_time()
{
static LARGE_INTEGER perf_frequency, perf_counter;
static bool first_time = true;
if (first_time)
{
QueryPerformanceFrequency(&perf_frequency);
perf_frequency.QuadPart /= 1000;
first_time = false;
}
QueryPerformanceCounter(&perf_counter);
return (unsigned int) perf_counter.QuadPart / perf_frequency.QuadPart;
}
void CL_System::sleep(int millis)
{
Sleep(millis);
}
// Global vars:
HINSTANCE CL_System_Win32::hInstance = NULL;
std::list<CL_Win32EventListener*> CL_System_Win32::listeners;
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