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utils/xwad/goldsrc_standin.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include <windows.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include "goldsrc_standin.h"
+
+
+extern int errno;
+
+
+static unsigned short g_InitialColor = 0xFFFF;
+static unsigned short g_LastColor = 0xFFFF;
+static unsigned short g_BadColor = 0xFFFF;
+static WORD g_BackgroundFlags = 0xFFFF;
+static bool g_bGotInitialColors = false;
+
+static void GetInitialColors( )
+{
+	if ( g_bGotInitialColors )
+		return;
+
+	g_bGotInitialColors = true;
+
+	// Get the old background attributes.
+	CONSOLE_SCREEN_BUFFER_INFO oldInfo;
+	GetConsoleScreenBufferInfo( GetStdHandle( STD_OUTPUT_HANDLE ), &oldInfo );
+	g_InitialColor = g_LastColor = oldInfo.wAttributes & (FOREGROUND_RED|FOREGROUND_GREEN|FOREGROUND_BLUE|FOREGROUND_INTENSITY);
+	g_BackgroundFlags = oldInfo.wAttributes & (BACKGROUND_RED|BACKGROUND_GREEN|BACKGROUND_BLUE|BACKGROUND_INTENSITY);
+
+	g_BadColor = 0;
+	if (g_BackgroundFlags & BACKGROUND_RED)
+		g_BadColor |= FOREGROUND_RED;
+	if (g_BackgroundFlags & BACKGROUND_GREEN)
+		g_BadColor |= FOREGROUND_GREEN;
+	if (g_BackgroundFlags & BACKGROUND_BLUE)
+		g_BadColor |= FOREGROUND_BLUE;
+	if (g_BackgroundFlags & BACKGROUND_INTENSITY)
+		g_BadColor |= FOREGROUND_INTENSITY;
+}
+
+static WORD SetConsoleTextColor( int red, int green, int blue, int intensity )
+{
+	GetInitialColors();
+
+	WORD ret = g_LastColor;
+	
+	g_LastColor = 0;
+	if( red )	g_LastColor |= FOREGROUND_RED;
+	if( green ) g_LastColor |= FOREGROUND_GREEN;
+	if( blue )  g_LastColor |= FOREGROUND_BLUE;
+	if( intensity ) g_LastColor |= FOREGROUND_INTENSITY;
+
+	// Just use the initial color if there's a match...
+	if (g_LastColor == g_BadColor)
+		g_LastColor = g_InitialColor;
+
+	SetConsoleTextAttribute( GetStdHandle( STD_OUTPUT_HANDLE ), g_LastColor | g_BackgroundFlags );
+	return ret;
+}
+
+
+static void RestoreConsoleTextColor( WORD color )
+{
+	SetConsoleTextAttribute( GetStdHandle( STD_OUTPUT_HANDLE ), color | g_BackgroundFlags );
+	g_LastColor = color;
+}
+
+
+void Msg( const char *pMsg, ... )
+{
+	va_list marker;
+	va_start( marker, pMsg );
+	vprintf( pMsg, marker );
+	va_end( marker );
+}
+
+
+void Warning( const char *pMsg, ... )
+{
+	WORD old = SetConsoleTextColor( 1, 1, 0, 1 );
+	
+	va_list marker;
+	va_start( marker, pMsg );
+	vprintf( pMsg, marker );
+	va_end( marker );
+
+	RestoreConsoleTextColor( old );
+}
+
+
+void Error (const char *error, ...)
+{
+	WORD old = SetConsoleTextColor( 1, 0, 0, 1 );
+
+	va_list argptr;
+
+	printf ("\n************ ERROR ************\n");
+
+	va_start (argptr,error);
+	vprintf (error,argptr);
+	va_end (argptr);
+	printf ("\n");
+
+	extern void PrintExitStuff();
+	PrintExitStuff();
+
+	RestoreConsoleTextColor( old );
+
+	TerminateProcess( GetCurrentProcess(), 100 );
+}
+
+
+/*
+================
+filelength
+================
+*/
+int filelength (FILE *f)
+{
+	int		pos;
+	int		end;
+
+	pos = ftell (f);
+	fseek (f, 0, SEEK_END);
+	end = ftell (f);
+	fseek (f, pos, SEEK_SET);
+
+	return end;
+}
+
+
+FILE *SafeOpenWrite (char *filename)
+{
+	FILE	*f;
+
+	f = fopen(filename, "wb");
+
+	if (!f)
+		Error ("Error opening %s: %s",filename,strerror(errno));
+
+	return f;
+}
+
+FILE *SafeOpenRead (char *filename)
+{
+	FILE	*f;
+
+	f = fopen(filename, "rb");
+
+	if (!f)
+		Error ("Error opening %s: %s",filename,strerror(errno));
+
+	return f;
+}
+
+
+void SafeRead (FILE *f, void *buffer, int count)
+{
+	if ( fread (buffer, 1, count, f) != (size_t)count)
+		Error ("File read failure");
+}
+
+
+void SafeWrite (FILE *f, void *buffer, int count)
+{
+	if (fwrite (buffer, 1, count, f) != (size_t)count)
+		Error ("File read failure");
+}
+
+
+
+/*
+==============
+LoadFile
+==============
+*/
+int    LoadFile (char *filename, void **bufferptr)
+{
+	FILE	*f;
+	int    length;
+	void    *buffer;
+
+	f = SafeOpenRead (filename);
+	length = filelength (f);
+	buffer = malloc (length+1);
+	((char *)buffer)[length] = 0;
+	SafeRead (f, buffer, length);
+	fclose (f);
+
+	*bufferptr = buffer;
+	return length;
+}
+
+
+void    SaveFile (char *filename, void *buffer, int count)
+{
+	FILE	*f;
+
+	f = SafeOpenWrite (filename);
+	SafeWrite (f, buffer, count);
+	fclose (f);
+}
+
+
+#ifdef __BIG_ENDIAN__
+
+short   LittleShort (short l)
+{
+	byte    b1,b2;
+
+	b1 = l&255;
+	b2 = (l>>8)&255;
+
+	return (b1<<8) + b2;
+}
+
+short   BigShort (short l)
+{
+	return l;
+}
+
+
+int    LittleLong (int l)
+{
+	byte    b1,b2,b3,b4;
+
+	b1 = l&255;
+	b2 = (l>>8)&255;
+	b3 = (l>>16)&255;
+	b4 = (l>>24)&255;
+
+	return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
+}
+
+int    BigLong (int l)
+{
+	return l;
+}
+
+
+float	LittleFloat (float l)
+{
+	union {byte b[4]; float f;} in, out;
+	
+	in.f = l;
+	out.b[0] = in.b[3];
+	out.b[1] = in.b[2];
+	out.b[2] = in.b[1];
+	out.b[3] = in.b[0];
+	
+	return out.f;
+}
+
+float	BigFloat (float l)
+{
+	return l;
+}
+
+
+#else
+
+
+short   BigShort (short l)
+{
+	byte    b1,b2;
+
+	b1 = l&255;
+	b2 = (l>>8)&255;
+
+	return (b1<<8) + b2;
+}
+
+short   LittleShort (short l)
+{
+	return l;
+}
+
+
+int    BigLong (int l)
+{
+	byte    b1,b2,b3,b4;
+
+	b1 = l&255;
+	b2 = (l>>8)&255;
+	b3 = (l>>16)&255;
+	b4 = (l>>24)&255;
+
+	return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
+}
+
+int    LittleLong (int l)
+{
+	return l;
+}
+
+float	BigFloat (float l)
+{
+	union {byte b[4]; float f;} in, out;
+	
+	in.f = l;
+	out.b[0] = in.b[3];
+	out.b[1] = in.b[2];
+	out.b[2] = in.b[1];
+	out.b[3] = in.b[0];
+	
+	return out.f;
+}
+
+float	LittleFloat (float l)
+{
+	return l;
+}
+
+
+#endif