cs16-client-legacy/cl_dll/hud/hud_redraw.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.
*
****/
//
// hud_redraw.cpp
//
#include <math.h>
#include "hud.h"
#include "cl_util.h"
#include "triangleapi.h"

#include <string.h>
#define MAX_LOGO_FRAMES 56

int grgLogoFrame[MAX_LOGO_FRAMES] = 
{
	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 13, 13, 13, 13, 13, 12, 11, 10, 9, 8, 14, 15,
	16, 17, 18, 19, 20, 20, 20, 20, 20, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 
	29, 29, 29, 29, 29, 28, 27, 26, 25, 24, 30, 31 
};


extern int g_iVisibleMouse;

float HUD_GetFOV( void );

extern cvar_t *sensitivity;

// Think
void CHud::Think(void)
{
	int newfov;
	HUDLIST *pList = m_pHudList;

	while (pList)
	{
		if (pList->p->m_iFlags & HUD_ACTIVE)
			pList->p->Think();
		pList = pList->pNext;
	}

	newfov = HUD_GetFOV();
	if ( newfov == 0 )
	{
		m_iFOV = default_fov->value;
	}
	else
	{
		m_iFOV = newfov;
	}

	// the clients fov is actually set in the client data update section of the hud

	// Set a new sensitivity
	if ( m_iFOV == default_fov->value )
	{  
		// reset to saved sensitivity
		m_flMouseSensitivity = 0;
	}
	else
	{  
		// set a new sensitivity that is proportional to the change from the FOV default
		m_flMouseSensitivity = sensitivity->value * ((float)newfov / (float)default_fov->value) * CVAR_GET_FLOAT("zoom_sensitivity_ratio");
	}

	// think about default fov
	if ( m_iFOV == 0 )
	{  // only let players adjust up in fov,  and only if they are not overriden by something else
		m_iFOV = max( default_fov->value, 90 );  
	}

}

// Redraw
// step through the local data,  placing the appropriate graphics & text as appropriate
// returns 1 if they've changed, 0 otherwise
int CHud :: Redraw( float flTime, int intermission )
{
	m_fOldTime = m_flTime;	// save time of previous redraw
	m_flTime = flTime;
	m_flTimeDelta = (double)m_flTime - m_fOldTime;
	static int m_flShotTime = 0;
	
	// Clock was reset, reset delta
	if ( m_flTimeDelta < 0 )
		m_flTimeDelta = 0;

	// Bring up the scoreboard during intermission
	/*if (gViewPort)
	{
		if ( m_iIntermission && !intermission )
		{
			// Have to do this here so the scoreboard goes away
			m_iIntermission = intermission;
			gViewPort->HideCommandMenu();
			gViewPort->HideScoreBoard();
			gViewPort->UpdateSpectatorPanel();
		}
		else if ( !m_iIntermission && intermission )
		{
			m_iIntermission = intermission;
			gViewPort->HideCommandMenu();
			gViewPort->HideVGUIMenu();
			gViewPort->ShowScoreBoard();
			gViewPort->UpdateSpectatorPanel();

			// Take a screenshot if the client's got the cvar set
			if ( CVAR_GET_FLOAT( "hud_takesshots" ) != 0 )
				m_flShotTime = flTime + 1.0;	// Take a screenshot in a second
		}
	}*/

	if (m_flShotTime && m_flShotTime < flTime)
	{
		gEngfuncs.pfnClientCmd("snapshot\n");
		m_flShotTime = 0;
	}

	m_iIntermission = intermission;

	if ( m_pCvarDraw->value )
	{
		HUDLIST *pList = m_pHudList;

		while (pList)
		{
			if ( !intermission )
			{
				if ( (pList->p->m_iFlags & HUD_ACTIVE) && !(m_iHideHUDDisplay & HIDEHUD_ALL) )
					pList->p->Draw(flTime);
			}
			else
			{  // it's an intermission,  so only draw hud elements that are set to draw during intermissions
				if ( pList->p->m_iFlags & HUD_INTERMISSION )
					pList->p->Draw( flTime );
			}

			pList = pList->pNext;
		}
	}

	// are we in demo mode? do we need to draw the logo in the top corner?
	if (m_iLogo)
	{
		int x, y, i;

		if (m_hsprLogo == 0)
			m_hsprLogo = LoadSprite("sprites/%d_logo.spr");

		SPR_Set(m_hsprLogo, 250, 250, 250 );
		
		x = SPR_Width(m_hsprLogo, 0);
		x = ScreenWidth - x;
		y = SPR_Height(m_hsprLogo, 0)/2;

		// Draw the logo at 20 fps
		int iFrame = (int)(flTime * 20) % MAX_LOGO_FRAMES;
		i = grgLogoFrame[iFrame] - 1;

		SPR_DrawAdditive(i, x, y, NULL);
	}

	return 1;
}