nuclide/base/src/shared/player.qc

/*
 * Copyright (c) 2016-2021 Marco Hladik <marco@icculus.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/* all potential SendFlags bits we can possibly send */
enumflags
{
	PLAYER_KEEPALIVE,
	PLAYER_MODELINDEX,
	PLAYER_ORIGIN,
	PLAYER_ORIGIN_Z,
	PLAYER_ANGLES_X,
	PLAYER_ANGLES_Y,
	PLAYER_ANGLES_Z,
	PLAYER_VELOCITY,
	PLAYER_VELOCITY_Z,
	PLAYER_FLAGS,
	PLAYER_WEAPON,
	PLAYER_ITEMS,
	PLAYER_HEALTH,
	PLAYER_ARMOR,
	PLAYER_MOVETYPE,
	PLAYER_VIEWOFS,
	PLAYER_UNUSED1,
	PLAYER_UNUSED2,
	PLAYER_UNUSED3,
	PLAYER_UNUSED4,
	PLAYER_UNUSED5,
	PLAYER_UNUSED6,
	PLAYER_UNUSED7
};

noref int input_sequence;
class player:base_player
{
#ifdef CLIENT
	/* External model */
	entity p_model;
	int p_hand_bone;
	int p_model_bone;
	float lastweapon;

	virtual void(void) draw;
	virtual float() predraw;
	virtual void(void) postdraw;
	virtual void(float,float) ReceiveEntity;
	virtual void(void) PredictPreFrame;
	virtual void(void) PredictPostFrame;
#else
	virtual void(void) EvaluateEntity;
	virtual float(entity, float) SendEntity;
#endif
};

#ifdef CLIENT
/*
=================
player::ReceiveEntity
=================
*/
void
player::ReceiveEntity(float new, float fl)
{
	base_player::ReceiveEntity(new, fl);
	setorigin(this, origin);
}

/*
=================
player::PredictPostFrame

Save the last valid server values away in the _net variants of each field
so we can roll them back later.
=================
*/
void
player::PredictPreFrame(void)
{
	base_player::PredictPreFrame();
}

/*
=================
player::PredictPostFrame

Where we roll back our values to the ones last sent/verified by the server.
=================
*/
void
player::PredictPostFrame(void)
{
	base_player::PredictPostFrame();
}

#else
void
player::EvaluateEntity(void)
{
	base_player::EvaluateEntity();
}

/*
=================
player::SendEntity
=================
*/
float
player::SendEntity(entity ePEnt, float fChanged)
{
	/* remove our entity to other clients if we're dead */
	if (health <= 0 && ePEnt != this) {
		return FALSE;
	}

	/* target client isn't real, they have no client-side. abandon */
	if (clienttype(ePEnt) != CLIENTTYPE_REAL) {
		return FALSE;
	}

	/* other players don't need to know about these attributes */
	if (ePEnt != self) {
		fChanged &= ~PLAYER_ITEMS;
		fChanged &= ~PLAYER_HEALTH;
		fChanged &= ~PLAYER_ARMOR;
		fChanged &= ~PLAYER_VIEWOFS;
	}

	WriteByte(MSG_ENTITY, ENT_PLAYER);
	WriteFloat(MSG_ENTITY, fChanged);

	/* the generic client attributes */
	base_player::SendEntity(ePEnt, fChanged);
	return TRUE;
}
#endif