Main.cpp File Reference

Main file for Ian Parberry's game engine. More...

#include <windows.h>
#include <windowsx.h>
#include <process.h>
#include "defines.h"
#include "abort.h"
#include "tinyxml.h"
#include "debug.h"
#include "timer.h"
#include "sprite.h"
#include "sound.h"
#include "SpriteMan.h"
#include "..\My Game\resource.h"

Functions
TiXmlDocument	g_xmlDocument (g_xmlFileName)
	TinyXML document for settings.
void	ProcessFrame ()
void	InitGame ()
void	EndGame ()
BOOL	KeyboardHandler (WPARAM keystroke)
LRESULT CALLBACK	WindowProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
void	LoadGameSettings ()
void	InitXMLSettings ()
LRESULT CALLBACK	DefaultWindowProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
HWND	CreateDefaultWindow (char *name, HINSTANCE hInstance, int nCmdShow)
int	DefaultWinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)

Variables
BOOL	g_bActiveApp
	TRUE if this is the active application.
HWND	g_HwndApp
	Application window handle.
HINSTANCE	g_hInstance
	Application instance handle.
char	g_szGameName []
	Name of this game.
int	g_nScreenWidth
	Screen width.
int	g_nScreenHeight
	Screen height.
char	g_errMsg []
	Error message if we had to abort.
BOOL	g_errorExit
	True if we had to abort.
const char *	g_xmlFileName ="gamesettings.xml"
	Settings file name.
TiXmlElement *	g_xmlSettings = NULL
	TinyXML element for settings tag.
CSoundManager *	g_pSoundManager
CTimer	g_cTimer
	The game timer.

Detailed Description

Main file for Ian Parberry's game engine.

Function Documentation

HWND CreateDefaultWindow	(	char *	name,
		HINSTANCE	hInstance,
		int	nCmdShow
	)

Create a default window. Registers and creates a full screen window.

Parameters

name	the name of this application
hInstance	handle to the current instance of this application
nCmdShow	specifies how the window is to be shown

Returns

handle to the application window

LRESULT CALLBACK DefaultWindowProc	(	HWND	hwnd,
		UINT	message,
		WPARAM	wParam,
		LPARAM	lParam
	)

Default window procedure. Handler for messages from the Windows API.

Parameters

hwnd	window handle
message	message code
wParam	parameter for message
lParam	second parameter for message

Returns

0 if message is handled

int DefaultWinMain	(	HINSTANCE	hInstance,
		HINSTANCE	hPrevInstance,
		LPSTR	lpCmdLine,
		int	nCmdShow
	)

Default WinMain. The main entry point for this application should call this function first.

Parameters

hInstance	handle to the current instance of this application
hPrevInstance	unused
lpCmdLine	unused
nCmdShow	specifies how the window is to be shown

Returns

TRUE if application terminates correctly

void InitXMLSettings

(

)

Initialize XML settings. Opens an XML file and prepares to read settings from it. Settings tag is loaded to XML element g_xmlSettings for later processing. Aborts if it cannot load the file or cannot find settings tag in loaded file.

void LoadGameSettings

(

)

Load game settings. Loads essential game settings from an xml file.