cg_effects.c

quakeIII源码这个不用我多说吧

	le->endTime = cg.time + 10000;
	le->lifeRate = 1.0 / ( le->endTime - le->startTime );

	le->color[0] = le->color[1] = le->color[2] = le->color[3] = 1.0;

	re = &le->refEntity;

	re->reType = RT_MODEL;
	re->shaderTime = cg.time / 1000.0f;

	re->hModel = cgs.media.invulnerabilityJuicedModel;

	VectorCopy( org, re->origin );
	VectorClear(angles);
	AnglesToAxis( angles, re->axis );

	trap_S_StartSound (org, ENTITYNUM_NONE, CHAN_BODY, cgs.media.invulnerabilityJuicedSound );
}

#endif

/*
==================
CG_ScorePlum
==================
*/
void CG_ScorePlum( int client, vec3_t org, int score ) {
	localEntity_t	*le;
	refEntity_t		*re;
	vec3_t			angles;
	static vec3_t lastPos;

	// only visualize for the client that scored
	if (client != cg.predictedPlayerState.clientNum || cg_scorePlum.integer == 0) {
		return;
	}

	le = CG_AllocLocalEntity();
	le->leFlags = 0;
	le->leType = LE_SCOREPLUM;
	le->startTime = cg.time;
	le->endTime = cg.time + 4000;
	le->lifeRate = 1.0 / ( le->endTime - le->startTime );

	
	le->color[0] = le->color[1] = le->color[2] = le->color[3] = 1.0;
	le->radius = score;
	
	VectorCopy( org, le->pos.trBase );
	if (org[2] >= lastPos[2] - 20 && org[2] <= lastPos[2] + 20) {
		le->pos.trBase[2] -= 20;
	}

	//CG_Printf( "Plum origin %i %i %i -- %i\n", (int)org[0], (int)org[1], (int)org[2], (int)Distance(org, lastPos));
	VectorCopy(org, lastPos);


	re = &le->refEntity;

	re->reType = RT_SPRITE;
	re->radius = 16;

	VectorClear(angles);
	AnglesToAxis( angles, re->axis );
}


/*
====================
CG_MakeExplosion
====================
*/
localEntity_t *CG_MakeExplosion( vec3_t origin, vec3_t dir, 
								qhandle_t hModel, qhandle_t shader,
								int msec, qboolean isSprite ) {
	float			ang;
	localEntity_t	*ex;
	int				offset;
	vec3_t			tmpVec, newOrigin;

	if ( msec <= 0 ) {
		CG_Error( "CG_MakeExplosion: msec = %i", msec );
	}

	// skew the time a bit so they aren't all in sync
	offset = rand() & 63;

	ex = CG_AllocLocalEntity();
	if ( isSprite ) {
		ex->leType = LE_SPRITE_EXPLOSION;

		// randomly rotate sprite orientation
		ex->refEntity.rotation = rand() % 360;
		VectorScale( dir, 16, tmpVec );
		VectorAdd( tmpVec, origin, newOrigin );
	} else {
		ex->leType = LE_EXPLOSION;
		VectorCopy( origin, newOrigin );

		// set axis with random rotate
		if ( !dir ) {
			AxisClear( ex->refEntity.axis );
		} else {
			ang = rand() % 360;
			VectorCopy( dir, ex->refEntity.axis[0] );
			RotateAroundDirection( ex->refEntity.axis, ang );
		}
	}

	ex->startTime = cg.time - offset;
	ex->endTime = ex->startTime + msec;

	// bias the time so all shader effects start correctly
	ex->refEntity.shaderTime = ex->startTime / 1000.0f;

	ex->refEntity.hModel = hModel;
	ex->refEntity.customShader = shader;

	// set origin
	VectorCopy( newOrigin, ex->refEntity.origin );
	VectorCopy( newOrigin, ex->refEntity.oldorigin );

	ex->color[0] = ex->color[1] = ex->color[2] = 1.0;

	return ex;
}


/*
=================
CG_Bleed

This is the spurt of blood when a character gets hit
=================
*/
void CG_Bleed( vec3_t origin, int entityNum ) {
	localEntity_t	*ex;

	if ( !cg_blood.integer ) {
		return;
	}

	ex = CG_AllocLocalEntity();
	ex->leType = LE_EXPLOSION;

	ex->startTime = cg.time;
	ex->endTime = ex->startTime + 500;
	
	VectorCopy ( origin, ex->refEntity.origin);
	ex->refEntity.reType = RT_SPRITE;
	ex->refEntity.rotation = rand() % 360;
	ex->refEntity.radius = 24;

	ex->refEntity.customShader = cgs.media.bloodExplosionShader;

	// don't show player's own blood in view
	if ( entityNum == cg.snap->ps.clientNum ) {
		ex->refEntity.renderfx |= RF_THIRD_PERSON;
	}
}



/*
==================
CG_LaunchGib
==================
*/
void CG_LaunchGib( vec3_t origin, vec3_t velocity, qhandle_t hModel ) {
	localEntity_t	*le;
	refEntity_t		*re;

	le = CG_AllocLocalEntity();
	re = &le->refEntity;

	le->leType = LE_FRAGMENT;
	le->startTime = cg.time;
	le->endTime = le->startTime + 5000 + random() * 3000;

	VectorCopy( origin, re->origin );
	AxisCopy( axisDefault, re->axis );
	re->hModel = hModel;

	le->pos.trType = TR_GRAVITY;
	VectorCopy( origin, le->pos.trBase );
	VectorCopy( velocity, le->pos.trDelta );
	le->pos.trTime = cg.time;

	le->bounceFactor = 0.6f;

	le->leBounceSoundType = LEBS_BLOOD;
	le->leMarkType = LEMT_BLOOD;
}

/*
===================
CG_GibPlayer

Generated a bunch of gibs launching out from the bodies location
===================
*/
#define	GIB_VELOCITY	250
#define	GIB_JUMP		250
void CG_GibPlayer( vec3_t playerOrigin ) {
	vec3_t	origin, velocity;

	if ( !cg_blood.integer ) {
		return;
	}

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*GIB_VELOCITY;
	velocity[1] = crandom()*GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom()*GIB_VELOCITY;
	if ( rand() & 1 ) {
		CG_LaunchGib( origin, velocity, cgs.media.gibSkull );
	} else {
		CG_LaunchGib( origin, velocity, cgs.media.gibBrain );
	}

	// allow gibs to be turned off for speed
	if ( !cg_gibs.integer ) {
		return;
	}

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*GIB_VELOCITY;
	velocity[1] = crandom()*GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom()*GIB_VELOCITY;
	CG_LaunchGib( origin, velocity, cgs.media.gibAbdomen );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*GIB_VELOCITY;
	velocity[1] = crandom()*GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom()*GIB_VELOCITY;
	CG_LaunchGib( origin, velocity, cgs.media.gibArm );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*GIB_VELOCITY;
	velocity[1] = crandom()*GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom()*GIB_VELOCITY;
	CG_LaunchGib( origin, velocity, cgs.media.gibChest );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*GIB_VELOCITY;
	velocity[1] = crandom()*GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom()*GIB_VELOCITY;
	CG_LaunchGib( origin, velocity, cgs.media.gibFist );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*GIB_VELOCITY;
	velocity[1] = crandom()*GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom()*GIB_VELOCITY;
	CG_LaunchGib( origin, velocity, cgs.media.gibFoot );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*GIB_VELOCITY;
	velocity[1] = crandom()*GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom()*GIB_VELOCITY;
	CG_LaunchGib( origin, velocity, cgs.media.gibForearm );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*GIB_VELOCITY;
	velocity[1] = crandom()*GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom()*GIB_VELOCITY;
	CG_LaunchGib( origin, velocity, cgs.media.gibIntestine );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*GIB_VELOCITY;
	velocity[1] = crandom()*GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom()*GIB_VELOCITY;
	CG_LaunchGib( origin, velocity, cgs.media.gibLeg );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*GIB_VELOCITY;
	velocity[1] = crandom()*GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom()*GIB_VELOCITY;
	CG_LaunchGib( origin, velocity, cgs.media.gibLeg );
}

/*
==================
CG_LaunchGib
==================
*/
void CG_LaunchExplode( vec3_t origin, vec3_t velocity, qhandle_t hModel ) {
	localEntity_t	*le;
	refEntity_t		*re;

	le = CG_AllocLocalEntity();
	re = &le->refEntity;

	le->leType = LE_FRAGMENT;
	le->startTime = cg.time;
	le->endTime = le->startTime + 10000 + random() * 6000;

	VectorCopy( origin, re->origin );
	AxisCopy( axisDefault, re->axis );
	re->hModel = hModel;

	le->pos.trType = TR_GRAVITY;
	VectorCopy( origin, le->pos.trBase );
	VectorCopy( velocity, le->pos.trDelta );
	le->pos.trTime = cg.time;

	le->bounceFactor = 0.1f;

	le->leBounceSoundType = LEBS_BRASS;
	le->leMarkType = LEMT_NONE;
}

#define	EXP_VELOCITY	100
#define	EXP_JUMP		150
/*
===================
CG_GibPlayer

Generated a bunch of gibs launching out from the bodies location
===================
*/
void CG_BigExplode( vec3_t playerOrigin ) {
	vec3_t	origin, velocity;

	if ( !cg_blood.integer ) {
		return;
	}

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*EXP_VELOCITY;
	velocity[1] = crandom()*EXP_VELOCITY;
	velocity[2] = EXP_JUMP + crandom()*EXP_VELOCITY;
	CG_LaunchExplode( origin, velocity, cgs.media.smoke2 );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*EXP_VELOCITY;
	velocity[1] = crandom()*EXP_VELOCITY;
	velocity[2] = EXP_JUMP + crandom()*EXP_VELOCITY;
	CG_LaunchExplode( origin, velocity, cgs.media.smoke2 );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*EXP_VELOCITY*1.5;
	velocity[1] = crandom()*EXP_VELOCITY*1.5;
	velocity[2] = EXP_JUMP + crandom()*EXP_VELOCITY;
	CG_LaunchExplode( origin, velocity, cgs.media.smoke2 );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*EXP_VELOCITY*2.0;
	velocity[1] = crandom()*EXP_VELOCITY*2.0;
	velocity[2] = EXP_JUMP + crandom()*EXP_VELOCITY;
	CG_LaunchExplode( origin, velocity, cgs.media.smoke2 );

	VectorCopy( playerOrigin, origin );
	velocity[0] = crandom()*EXP_VELOCITY*2.5;
	velocity[1] = crandom()*EXP_VELOCITY*2.5;
	velocity[2] = EXP_JUMP + crandom()*EXP_VELOCITY;
	CG_LaunchExplode( origin, velocity, cgs.media.smoke2 );
}