hlsdk-portable/cl_dll/battery.cpp

/***
*
*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
*	
*	This product contains software technology licensed from Id 
*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
*	All Rights Reserved.
*
*   Use, distribution, and modification of this source code and/or resulting
*   object code is restricted to non-commercial enhancements to products from
*   Valve LLC.  All other use, distribution, or modification is prohibited
*   without written permission from Valve LLC.
*
****/
//
// battery.cpp
//
// implementation of CHudBattery class
//

#include "hud.h"
#include "cl_util.h"
#include "parsemsg.h"

#include <string.h>
#include <stdio.h>

DECLARE_MESSAGE( m_Battery, Battery )

int CHudBattery::Init( void )
{
	m_iBat = 0;
	m_fFade = 0;
	m_iFlags = 0;

	HOOK_MESSAGE( Battery );

	gHUD.AddHudElem( this );

	return 1;
}

int CHudBattery::VidInit( void )
{
	int HUD_suit_empty = gHUD.GetSpriteIndex( "suit_empty" );
	int HUD_suit_full = gHUD.GetSpriteIndex( "suit_full" );

	m_HUD_mgs3suitbar = gHUD.GetSpriteIndex( "mgs3suitbar" );
	m_HUD_mgs3suitdiv = gHUD.GetSpriteIndex( "mgs3suitdiv" );

	m_prc3 = &gHUD.GetSpriteRect( m_HUD_mgs3suitbar );	//Full

	m_iWidth = m_prc3->right - m_prc3->left;		//32 - 160 = -128

	m_hSprite1 = m_hSprite2 = 0;  // delaying get sprite handles until we know the sprites are loaded
	m_prc1 = &gHUD.GetSpriteRect( HUD_suit_empty );
	m_prc2 = &gHUD.GetSpriteRect( HUD_suit_full );
	m_iHeight = m_prc2->bottom - m_prc1->top;
	m_fFade = 0;
	return 1;
}

int CHudBattery::MsgFunc_Battery( const char *pszName,  int iSize, void *pbuf )
{
	m_iFlags |= HUD_ACTIVE;

	BEGIN_READ( pbuf, iSize );
	int x = READ_SHORT();

	if( x != m_iBat )
	{
		m_fFade = FADE_TIME;
		m_iBat = x;
		m_flBat = ( (float) x ) / 100.0f;		// 100.0 divided by 100.0 = 1
	}

	return 1;
}

int CHudBattery::Draw( float flTime )
{
	if( gHUD.m_iHideHUDDisplay & HIDEHUD_HEALTH )
		return 1;

	wrect_t rc;

	rc = *m_prc2;
	rc.top  += m_iHeight * ( (float)( 100 - ( Q_min( 100, m_iBat ) ) ) * 0.01f );	// battery can go from 0 to 100 so * 0.01 goes from 0 to 1

	if( !( gHUD.m_iWeaponBits & ( 1 << ( WEAPON_SUIT ) ) ) )
		return 1;

	int iOffset = ( m_prc1->bottom - m_prc1->top ) / 6;

	int MGSX = ( gHUD.GetSpriteRect( m_HUD_mgs3suitbar ).right - gHUD.GetSpriteRect( m_HUD_mgs3suitbar ).left ) / 10; //Needs 20. It's 104
	int MGSY = ScreenHeight - 45;
	int iOffset2 = m_iWidth * ( 1.0f - m_flBat );	//32 * ( 1 - 1 ) = 0

	if( iOffset2 < m_iWidth )
	{
		rc = *m_prc3;
		rc.left += iOffset2;

		SPR_Set( gHUD.GetSprite( m_HUD_mgs3suitbar ), 255, 255, 255 );
		SPR_Draw( 0, MGSX + 5, MGSY + 28, &rc );

		SPR_Set( gHUD.GetSprite( m_HUD_mgs3suitdiv ), 255, 255, 255 );
		SPR_DrawHoles( 0, MGSX + 5, MGSY + 28, &gHUD.GetSpriteRect( m_HUD_mgs3suitdiv ) );
	}

	//x += ( m_prc1->right - m_prc1->left );
	//x = gHUD.DrawHudNumber( x, y, DHN_3DIGITS | DHN_DRAWZERO, m_iBat, r, g, b );

	return 1;
}