Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.
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/***
*
* 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.
*
****/
#include "extdll.h"
#include "util.h"
#include "cbase.h"
#include "decals.h"
#include "explode.h"
#include "effects.h"
// Fire Trail
class CFireTrail : public CBaseEntity
{
void Spawn(void);
void Think(void);
void Touch(CBaseEntity *pOther);
int ObjectCaps(void) { return FCAP_DONT_SAVE; }
};
LINK_ENTITY_TO_CLASS(fire_trail, CFireTrail);
void CFireTrail::Spawn(void)
{
pev->velocity = RANDOM_FLOAT(200, 300) * pev->angles;
pev->velocity.x += RANDOM_FLOAT(-100.f, 100.f);
pev->velocity.y += RANDOM_FLOAT(-100.f, 100.f);
if (pev->velocity.z >= 0)
pev->velocity.z += 200;
else
pev->velocity.z -= 200;
pev->movetype = MOVETYPE_BOUNCE;
pev->gravity = 0.5;
pev->nextthink = gpGlobals->time + 0.1;
pev->solid = SOLID_NOT;
SET_MODEL(edict(), "models/grenade.mdl"); // Need a model, just use the grenade, we don't draw it anyway
UTIL_SetSize(pev, g_vecZero, g_vecZero);
pev->effects |= EF_NODRAW;
pev->speed = RANDOM_FLOAT(0.5, 1.5);
pev->maxspeed = pev->speed;
pev->angles = g_vecZero;
}
void CFireTrail::Think(void)
{
CSprite* pSprite = CSprite::SpriteCreate("sprites/zerogxplode.spr", pev->origin, TRUE);
pSprite->AnimateAndDie(RANDOM_FLOAT(15.0f, 20.0f));
pSprite->SetTransparency( kRenderTransAdd, 255, 255, 255, 192, kRenderFxNoDissipation );
pSprite->SetScale(pev->speed);
pSprite->pev->frame = pSprite->Frames() - ((max(0, pev->speed - (0.1 * pSprite->pev->framerate)) * pSprite->Frames()) / pev->maxspeed);
pev->speed -= 0.1;
if (pev->speed > 0)
pev->nextthink = gpGlobals->time + 0.1;
else
UTIL_Remove(this);
pev->flags &= ~FL_ONGROUND;
}
void CFireTrail::Touch(CBaseEntity *pOther)
{
if (pev->flags & FL_ONGROUND)
pev->velocity = pev->velocity * 0.1;
else
pev->velocity = pev->velocity * 0.6;
if ((pev->velocity.x*pev->velocity.x + pev->velocity.y*pev->velocity.y) < 10.0)
pev->speed = 0;
}