NS/main/source/cl_dll/health.cpp
2014-12-16 14:36:27 +01:00

487 lines
11 KiB
C++

/***
*
* Copyright (c) 1999, 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.
*
****/
//
// Health.cpp
//
// implementation of CHudHealth class
//
#include "stdio.h"
#include "stdlib.h"
#include "math.h"
#include "hud.h"
#include "cl_util.h"
#include <string.h>
#include "mod/AvHHudConstants.h"
#include "mod/AvHPlayerUpgrade.h"
#include "mod/AvHNetworkMessages.h"
DECLARE_MESSAGE(m_Health, Health )
DECLARE_MESSAGE(m_Health, Damage )
#define PAIN_NAME "sprites/%d_pain.spr"
#define DAMAGE_NAME "sprites/%d_dmg.spr"
int giDmgHeight, giDmgWidth;
int giDmgFlags[NUM_DMG_TYPES] =
{
DMG_POISON,
DMG_ACID,
DMG_FREEZE|DMG_SLOWFREEZE,
DMG_DROWN,
DMG_BURN|DMG_SLOWBURN,
DMG_NERVEGAS,
DMG_RADIATION,
DMG_SHOCK,
DMG_CALTROP,
DMG_TRANQ,
DMG_CONCUSS,
DMG_HALLUC
};
int CHudHealth::Init(void)
{
HOOK_MESSAGE(Health);
HOOK_MESSAGE(Damage);
//HOOK_MESSAGE(ClCorpse);
m_iHealth = 100;
m_fFade = 0;
m_iFlags = 0;
m_bitsDamage = 0;
m_fAttackFront = m_fAttackRear = m_fAttackRight = m_fAttackLeft = 0;
giDmgHeight = 0;
giDmgWidth = 0;
memset(m_dmg, 0, sizeof(DAMAGE_IMAGE) * NUM_DMG_TYPES);
gHUD.AddHudElem(this);
return 1;
}
void CHudHealth::Reset( void )
{
// make sure the pain compass is cleared when the player respawns
m_fAttackFront = m_fAttackRear = m_fAttackRight = m_fAttackLeft = 0;
// force all the flashing damage icons to expire
m_bitsDamage = 0;
for ( int i = 0; i < NUM_DMG_TYPES; i++ )
{
m_dmg[i].fExpire = 0;
}
}
int CHudHealth::VidInit(void)
{
m_hSprite = 0;
m_HUD_dmg_bio = gHUD.GetSpriteIndex( "dmg_bio" ) + 1;
m_HUD_cross = gHUD.GetSpriteIndex( "cross" );
giDmgHeight = gHUD.GetSpriteRect(m_HUD_dmg_bio).right - gHUD.GetSpriteRect(m_HUD_dmg_bio).left;
giDmgWidth = gHUD.GetSpriteRect(m_HUD_dmg_bio).bottom - gHUD.GetSpriteRect(m_HUD_dmg_bio).top;
return 1;
}
int CHudHealth:: MsgFunc_Health(const char *pszName, int iSize, void *pbuf )
{
int x;
NetMsg_Health( pbuf, iSize, x );
// TODO: update local health data
m_iFlags |= HUD_ACTIVE;
// Only update the fade if we've changed health
if (x != m_iHealth)
{
// We're sent the health of the player we're observing as if it were our own
m_fFade = FADE_TIME;
m_iHealth = x;
}
return 2;
}
int CHudHealth:: MsgFunc_Damage(const char *pszName, int iSize, void *pbuf )
{
int armor, damageTaken;
long bitsDamage;
float origin[3];
NetMsg_Damage( pbuf, iSize, armor, damageTaken, bitsDamage, origin );
vec3_t vecFrom;
for ( int i = 0 ; i < 3 ; i++)
vecFrom[i] = origin[i];
UpdateTiles(gHUD.m_flTime, bitsDamage);
// Actually took damage?
if ( damageTaken > 0 || armor > 0 )
CalcDamageDirection(vecFrom);
return 1;
}
// Returns back a color from the
// Green <-> Yellow <-> Red ramp
void CHudHealth::GetPainColor( int &r, int &g, int &b )
{
int theMaxHealth = gHUD.GetHUDMaxHealth();
if (m_iHealth > theMaxHealth/4)
{
gHUD.GetPrimaryHudColor(r, g, b);
}
else
{
r = 250;
g = 0;
b = 0;
}
}
int CHudHealth::Draw(float flTime)
{
int r, g, b;
int a = 0, x, y;
int HealthWidth;
if ( /*!gHUD.GetIsAlive() ||*/ (gHUD.m_iHideHUDDisplay & HIDEHUD_HEALTH) /*|| gEngfuncs.IsSpectateOnly()*/ )
return 1;
if ( !m_hSprite )
m_hSprite = LoadSprite(PAIN_NAME);
// Has health changed? Flash the health #
if (m_fFade)
{
m_fFade -= (gHUD.m_flTimeDelta * 20);
if (m_fFade <= 0)
{
a = MIN_ALPHA;
m_fFade = 0;
}
// Fade the health number back to dim
a = MIN_ALPHA + (m_fFade/FADE_TIME) * 128;
}
else
a = MIN_ALPHA;
// Potentially se upgrades and health of spectator target
int theUpgrades = gHUD.GetHUDUpgrades();
// If health is getting low, make it bright red
int theMaxHealth = gHUD.GetHUDMaxHealth();
if (m_iHealth <= theMaxHealth/10)
{
a = 255;
}
GetPainColor( r, g, b );
ScaleColors(r, g, b, a );
int theViewport[4];
gHUD.GetViewport(theViewport);
// Only draw health if we have the suit.
if (gHUD.m_iWeaponBits & (1<<(WEAPON_SUIT)))
{
HealthWidth = gHUD.GetSpriteRect(gHUD.m_HUD_number_0).right - gHUD.GetSpriteRect(gHUD.m_HUD_number_0).left;
int CrossWidth = gHUD.GetSpriteRect(m_HUD_cross).right - gHUD.GetSpriteRect(m_HUD_cross).left;
y = theViewport[1] + theViewport[3] - gHUD.m_iFontHeight - gHUD.m_iFontHeight / 2;
x = theViewport[0] + CrossWidth /2;
int theInset = 0;
if(gHUD.GetIsAlien() && !gHUD.GetIsCombatMode())
{
theInset = ScreenWidth()*kResourceEnergyBarWidth;
}
x += theInset;// + kHealthLeftInset*ScreenWidth;
SPR_Set(gHUD.GetSprite(m_HUD_cross), r, g, b);
SPR_DrawAdditive(0, x, y, &gHUD.GetSpriteRect(m_HUD_cross));
x += CrossWidth + HealthWidth / 2;
x = gHUD.DrawHudNumber(x, y, DHN_3DIGITS | DHN_DRAWZERO, m_iHealth, r, g, b);
x += HealthWidth/2;
gHUD.GetPrimaryHudColor(r, g, b);
int iHeight = gHUD.m_iFontHeight;
int iWidth = HealthWidth/10;
FillRGBA(x, y, iWidth, iHeight, r, g, b, a);
}
DrawDamage(flTime);
return DrawPain(flTime);
}
void CHudHealth::CalcDamageDirection(vec3_t vecFrom)
{
vec3_t forward, right, up;
float side, front;
vec3_t vecOrigin, vecAngles;
if (!vecFrom[0] && !vecFrom[1] && !vecFrom[2])
{
m_fAttackFront = m_fAttackRear = m_fAttackRight = m_fAttackLeft = 0;
return;
}
memcpy(vecOrigin, gHUD.m_vecOrigin, sizeof(vec3_t));
memcpy(vecAngles, gHUD.m_vecAngles, sizeof(vec3_t));
VectorSubtract (vecFrom, vecOrigin, vecFrom);
float flDistToTarget = vecFrom.Length();
vecFrom = vecFrom.Normalize();
AngleVectors (vecAngles, forward, right, up);
front = DotProduct (vecFrom, right);
side = DotProduct (vecFrom, forward);
if (flDistToTarget <= 50)
{
m_fAttackFront = m_fAttackRear = m_fAttackRight = m_fAttackLeft = 1;
}
else
{
if (side > 0)
{
if (side > 0.3)
m_fAttackFront = max(m_fAttackFront, side);
}
else
{
float f = fabs(side);
if (f > 0.3)
m_fAttackRear = max(m_fAttackRear, f);
}
if (front > 0)
{
if (front > 0.3)
m_fAttackRight = max(m_fAttackRight, front);
}
else
{
float f = fabs(front);
if (f > 0.3)
m_fAttackLeft = max(m_fAttackLeft, f);
}
}
}
int CHudHealth::DrawPain(float flTime)
{
if (!(m_fAttackFront || m_fAttackRear || m_fAttackLeft || m_fAttackRight))
return 1;
int r, g, b;
int x, y, a, shade;
// TODO: get the shift value of the health
a = 255; // max brightness until then
float fFade = gHUD.m_flTimeDelta * 2;
// SPR_Draw top
if (m_fAttackFront > 0.4)
{
GetPainColor(r,g,b);
shade = a * max( m_fAttackFront, 0.5 );
ScaleColors(r, g, b, shade);
SPR_Set(m_hSprite, r, g, b );
x = ScreenWidth()/2 - SPR_Width(m_hSprite, 0)/2;
y = ScreenHeight()/2 - SPR_Height(m_hSprite,0) * 3;
SPR_DrawAdditive(0, x, y, NULL);
m_fAttackFront = max( 0, m_fAttackFront - fFade );
} else
m_fAttackFront = 0;
if (m_fAttackRight > 0.4)
{
GetPainColor(r,g,b);
shade = a * max( m_fAttackRight, 0.5 );
ScaleColors(r, g, b, shade);
SPR_Set(m_hSprite, r, g, b );
x = ScreenWidth()/2 + SPR_Width(m_hSprite, 1) * 2;
y = ScreenHeight()/2 - SPR_Height(m_hSprite,1)/2;
SPR_DrawAdditive(1, x, y, NULL);
m_fAttackRight = max( 0, m_fAttackRight - fFade );
} else
m_fAttackRight = 0;
if (m_fAttackRear > 0.4)
{
GetPainColor(r,g,b);
shade = a * max( m_fAttackRear, 0.5 );
ScaleColors(r, g, b, shade);
SPR_Set(m_hSprite, r, g, b );
x = ScreenWidth()/2 - SPR_Width(m_hSprite, 2)/2;
y = ScreenHeight()/2 + SPR_Height(m_hSprite,2) * 2;
SPR_DrawAdditive(2, x, y, NULL);
m_fAttackRear = max( 0, m_fAttackRear - fFade );
} else
m_fAttackRear = 0;
if (m_fAttackLeft > 0.4)
{
GetPainColor(r,g,b);
shade = a * max( m_fAttackLeft, 0.5 );
ScaleColors(r, g, b, shade);
SPR_Set(m_hSprite, r, g, b );
x = ScreenWidth()/2 - SPR_Width(m_hSprite, 3) * 3;
y = ScreenHeight()/2 - SPR_Height(m_hSprite,3)/2;
SPR_DrawAdditive(3, x, y, NULL);
m_fAttackLeft = max( 0, m_fAttackLeft - fFade );
} else
m_fAttackLeft = 0;
return 1;
}
int CHudHealth::DrawDamage(float flTime)
{
int r, g, b, a;
DAMAGE_IMAGE *pdmg;
if (!m_bitsDamage)
return 1;
gHUD.GetPrimaryHudColor(r, g, b);
a = (int)( fabs(sin(flTime*2)) * 256.0);
ScaleColors(r, g, b, a);
// Draw all the items
int i;
for (i = 0; i < NUM_DMG_TYPES; i++)
{
if (m_bitsDamage & giDmgFlags[i])
{
pdmg = &m_dmg[i];
SPR_Set(gHUD.GetSprite(m_HUD_dmg_bio + i), r, g, b );
SPR_DrawAdditive(0, pdmg->x, pdmg->y, &gHUD.GetSpriteRect(m_HUD_dmg_bio + i));
}
}
// check for bits that should be expired
for ( i = 0; i < NUM_DMG_TYPES; i++ )
{
DAMAGE_IMAGE *pdmg = &m_dmg[i];
if ( m_bitsDamage & giDmgFlags[i] )
{
pdmg->fExpire = min( flTime + DMG_IMAGE_LIFE, pdmg->fExpire );
if ( pdmg->fExpire <= flTime // when the time has expired
&& a < 40 ) // and the flash is at the low point of the cycle
{
pdmg->fExpire = 0;
int y = pdmg->y;
pdmg->x = pdmg->y = 0;
// move everyone above down
for (int j = 0; j < NUM_DMG_TYPES; j++)
{
pdmg = &m_dmg[j];
if ((pdmg->y) && (pdmg->y < y))
pdmg->y += giDmgHeight;
}
m_bitsDamage &= ~giDmgFlags[i]; // clear the bits
}
}
}
return 1;
}
void CHudHealth::UpdateTiles(float flTime, long bitsDamage)
{
DAMAGE_IMAGE *pdmg;
// Which types are new?
long bitsOn = ~m_bitsDamage & bitsDamage;
for (int i = 0; i < NUM_DMG_TYPES; i++)
{
pdmg = &m_dmg[i];
// Is this one already on?
if (m_bitsDamage & giDmgFlags[i])
{
pdmg->fExpire = flTime + DMG_IMAGE_LIFE; // extend the duration
if (!pdmg->fBaseline)
pdmg->fBaseline = flTime;
}
// Are we just turning it on?
if (bitsOn & giDmgFlags[i])
{
// put this one at the bottom
pdmg->x = giDmgWidth/8;
pdmg->y = ScreenHeight() - giDmgHeight * 2;
pdmg->fExpire=flTime + DMG_IMAGE_LIFE;
// move everyone else up
for (int j = 0; j < NUM_DMG_TYPES; j++)
{
if (j == i)
continue;
pdmg = &m_dmg[j];
if (pdmg->y)
pdmg->y -= giDmgHeight;
}
pdmg = &m_dmg[i];
}
}
// damage bits are only turned on here; they are turned off when the draw time has expired (in DrawDamage())
m_bitsDamage |= bitsDamage;
}
void CreateCorpse ( Vector vOrigin, Vector vAngles, const char *pModel, float flAnimTime, int iSequence, int iBody );