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226 lines
4.8 KiB
226 lines
4.8 KiB
![]()
2 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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//
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// Health.cpp
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//
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// implementation of CHudHealth class
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//
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#include "cbase.h"
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#include "hud.h"
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#include "hud_macros.h"
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#include "view.h"
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#include "iclientmode.h"
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#include "hl1_hud_numbers.h"
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#include <KeyValues.h>
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#include <vgui/ISurface.h>
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#include <vgui/ISystem.h>
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#include <vgui_controls/Panel.h>
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using namespace vgui;
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#include "hudelement.h"
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#include "convar.h"
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#define INIT_HEALTH -1
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#define FADE_TIME 100
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#define MIN_ALPHA 100
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//-----------------------------------------------------------------------------
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// Purpose: Health panel
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//-----------------------------------------------------------------------------
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class CHudHealth : public CHudElement, public CHL1HudNumbers
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{
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DECLARE_CLASS_SIMPLE( CHudHealth, CHL1HudNumbers );
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public:
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CHudHealth( const char *pElementName );
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void Init( void );
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void VidInit( void );
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void Reset( void );
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void OnThink();
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void MsgFunc_Damage(bf_read &msg);
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private:
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void Paint( void );
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void ApplySchemeSettings(vgui::IScheme *pScheme);
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private:
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CHudTexture *icon_cross;
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int m_iHealth;
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float m_flFade;
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int m_bitsDamage;
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};
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DECLARE_HUDELEMENT( CHudHealth );
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DECLARE_HUD_MESSAGE( CHudHealth, Damage );
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//-----------------------------------------------------------------------------
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// Purpose: Constructor
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//-----------------------------------------------------------------------------
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CHudHealth::CHudHealth( const char *pElementName ) : CHudElement( pElementName ), BaseClass(NULL, "HudHealth")
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{
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SetHiddenBits( HIDEHUD_HEALTH | HIDEHUD_PLAYERDEAD | HIDEHUD_NEEDSUIT );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CHudHealth::Init()
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{
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HOOK_HUD_MESSAGE( CHudHealth, Damage );
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Reset();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CHudHealth::Reset()
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{
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m_iHealth = INIT_HEALTH;
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m_flFade = 0;
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m_bitsDamage = 0;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CHudHealth::VidInit()
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{
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Reset();
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BaseClass::VidInit();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CHudHealth::OnThink()
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{
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int x = 0;
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C_BasePlayer *local = C_BasePlayer::GetLocalPlayer();
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if ( local )
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{
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// Never below zero
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x = MAX( local->GetHealth(), 0 );
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}
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// Only update the fade if we've changed health
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if ( x == m_iHealth )
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{
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return;
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}
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m_flFade = FADE_TIME;
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m_iHealth = x;
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}
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void CHudHealth::Paint()
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{
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Color clrHealth;
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int a;
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int x;
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int y;
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BaseClass::Paint();
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if ( !icon_cross )
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{
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icon_cross = gHUD.GetIcon( "cross" );
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}
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if ( !icon_cross )
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{
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return;
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}
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// Has health changed? Flash the health #
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if ( m_flFade )
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{
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m_flFade -= ( gpGlobals->frametime * 20 );
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if ( m_flFade <= 0 )
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{
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a = MIN_ALPHA;
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m_flFade = 0;
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}
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else
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{
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// Fade the health number back to dim
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a = MIN_ALPHA + ( m_flFade / FADE_TIME ) * 128;
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}
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}
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else
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{
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a = MIN_ALPHA;
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}
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// If health is getting low, make it bright red
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if ( m_iHealth <= 15 )
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a = 255;
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if (m_iHealth > 25)
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{
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int r, g, b, nUnused;
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(gHUD.m_clrYellowish).GetColor( r, g, b, nUnused );
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clrHealth.SetColor( r, g, b, a );
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}
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else
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{
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clrHealth.SetColor( 250, 0, 0, a );
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}
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int nFontWidth = GetNumberFontWidth();
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int nFontHeight = GetNumberFontHeight();
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int nCrossWidth = icon_cross->Width();
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x = nCrossWidth / 2;
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y = GetTall() - ( nFontHeight * 1.5 );
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icon_cross->DrawSelf( x, y, clrHealth );
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x = nCrossWidth + ( nFontWidth / 2 );
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x = DrawHudNumber( x, y, m_iHealth, clrHealth );
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x += nFontWidth / 2;
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int iHeight = nFontHeight;
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int iWidth = nFontWidth / 10;
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clrHealth.SetColor( 255, 160, 0, a );
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vgui::surface()->DrawSetColor( clrHealth );
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vgui::surface()->DrawFilledRect( x, y, x + iWidth, y + iHeight );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CHudHealth::MsgFunc_Damage(bf_read &msg)
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{
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msg.ReadByte(); // armor
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msg.ReadByte(); // health
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msg.ReadLong(); // damage bits
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Vector vecFrom;
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vecFrom.x = msg.ReadBitCoord();
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vecFrom.y = msg.ReadBitCoord();
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vecFrom.z = msg.ReadBitCoord();
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}
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void CHudHealth::ApplySchemeSettings(vgui::IScheme *pScheme)
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{
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BaseClass::ApplySchemeSettings(pScheme);
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SetPaintBackgroundEnabled(false);
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}
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