p_view.c

Quake 2 Source code for students by Theerthan You can also download from idsoftwares.com

		if (damage < 1)
			damage = 1;
		VectorSet (dir, 0, 0, 1);

		if (!deathmatch->value || !((int)dmflags->value & DF_NO_FALLING) )
			T_Damage (ent, world, world, dir, ent->s.origin, vec3_origin, damage, 0, 0, MOD_FALLING);
	}
	else
	{
		ent->s.event = EV_FALLSHORT;
		return;
	}
}



/*
=============
P_WorldEffects
=============
*/
void P_WorldEffects (void)
{
	qboolean	breather;
	qboolean	envirosuit;
	int			waterlevel, old_waterlevel;

	if (current_player->movetype == MOVETYPE_NOCLIP)
	{
		current_player->air_finished = level.time + 12;	// don't need air
		return;
	}

	waterlevel = current_player->waterlevel;
	old_waterlevel = current_client->old_waterlevel;
	current_client->old_waterlevel = waterlevel;

	breather = current_client->breather_framenum > level.framenum;
	envirosuit = current_client->enviro_framenum > level.framenum;

	//
	// if just entered a water volume, play a sound
	//
	if (!old_waterlevel && waterlevel)
	{
		PlayerNoise(current_player, current_player->s.origin, PNOISE_SELF);
		if (current_player->watertype & CONTENTS_LAVA)
			gi.sound (current_player, CHAN_BODY, gi.soundindex("player/lava_in.wav"), 1, ATTN_NORM, 0);
		else if (current_player->watertype & CONTENTS_SLIME)
			gi.sound (current_player, CHAN_BODY, gi.soundindex("player/watr_in.wav"), 1, ATTN_NORM, 0);
		else if (current_player->watertype & CONTENTS_WATER)
			gi.sound (current_player, CHAN_BODY, gi.soundindex("player/watr_in.wav"), 1, ATTN_NORM, 0);
		current_player->flags |= FL_INWATER;

		// clear damage_debounce, so the pain sound will play immediately
		current_player->damage_debounce_time = level.time - 1;
	}

	//
	// if just completely exited a water volume, play a sound
	//
	if (old_waterlevel && ! waterlevel)
	{
		PlayerNoise(current_player, current_player->s.origin, PNOISE_SELF);
		gi.sound (current_player, CHAN_BODY, gi.soundindex("player/watr_out.wav"), 1, ATTN_NORM, 0);
		current_player->flags &= ~FL_INWATER;
	}

	//
	// check for head just going under water
	//
	if (old_waterlevel != 3 && waterlevel == 3)
	{
		gi.sound (current_player, CHAN_BODY, gi.soundindex("player/watr_un.wav"), 1, ATTN_NORM, 0);
	}

	//
	// check for head just coming out of water
	//
	if (old_waterlevel == 3 && waterlevel != 3)
	{
		if (current_player->air_finished < level.time)
		{	// gasp for air
			gi.sound (current_player, CHAN_VOICE, gi.soundindex("player/gasp1.wav"), 1, ATTN_NORM, 0);
			PlayerNoise(current_player, current_player->s.origin, PNOISE_SELF);
		}
		else  if (current_player->air_finished < level.time + 11)
		{	// just break surface
			gi.sound (current_player, CHAN_VOICE, gi.soundindex("player/gasp2.wav"), 1, ATTN_NORM, 0);
		}
	}

	//
	// check for drowning
	//
	if (waterlevel == 3)
	{
		// breather or envirosuit give air
		if (breather || envirosuit)
		{
			current_player->air_finished = level.time + 10;

			if (((int)(current_client->breather_framenum - level.framenum) % 25) == 0)
			{
				if (!current_client->breather_sound)
					gi.sound (current_player, CHAN_AUTO, gi.soundindex("player/u_breath1.wav"), 1, ATTN_NORM, 0);
				else
					gi.sound (current_player, CHAN_AUTO, gi.soundindex("player/u_breath2.wav"), 1, ATTN_NORM, 0);
				current_client->breather_sound ^= 1;
				PlayerNoise(current_player, current_player->s.origin, PNOISE_SELF);
				//FIXME: release a bubble?
			}
		}

		// if out of air, start drowning
		if (current_player->air_finished < level.time)
		{	// drown!
			if (current_player->client->next_drown_time < level.time 
				&& current_player->health > 0)
			{
				current_player->client->next_drown_time = level.time + 1;

				// take more damage the longer underwater
				current_player->dmg += 2;
				if (current_player->dmg > 15)
					current_player->dmg = 15;

				// play a gurp sound instead of a normal pain sound
				if (current_player->health <= current_player->dmg)
					gi.sound (current_player, CHAN_VOICE, gi.soundindex("player/drown1.wav"), 1, ATTN_NORM, 0);
				else if (rand()&1)
					gi.sound (current_player, CHAN_VOICE, gi.soundindex("*gurp1.wav"), 1, ATTN_NORM, 0);
				else
					gi.sound (current_player, CHAN_VOICE, gi.soundindex("*gurp2.wav"), 1, ATTN_NORM, 0);

				current_player->pain_debounce_time = level.time;

				T_Damage (current_player, world, world, vec3_origin, current_player->s.origin, vec3_origin, current_player->dmg, 0, DAMAGE_NO_ARMOR, MOD_WATER);
			}
		}
	}
	else
	{
		current_player->air_finished = level.time + 12;
		current_player->dmg = 2;
	}

	//
	// check for sizzle damage
	//
	if (waterlevel && (current_player->watertype&(CONTENTS_LAVA|CONTENTS_SLIME)) )
	{
		if (current_player->watertype & CONTENTS_LAVA)
		{
			if (current_player->health > 0
				&& current_player->pain_debounce_time <= level.time
				&& current_client->invincible_framenum < level.framenum)
			{
				if (rand()&1)
					gi.sound (current_player, CHAN_VOICE, gi.soundindex("player/burn1.wav"), 1, ATTN_NORM, 0);
				else
					gi.sound (current_player, CHAN_VOICE, gi.soundindex("player/burn2.wav"), 1, ATTN_NORM, 0);
				current_player->pain_debounce_time = level.time + 1;
			}

			if (envirosuit)	// take 1/3 damage with envirosuit
				T_Damage (current_player, world, world, vec3_origin, current_player->s.origin, vec3_origin, 1*waterlevel, 0, 0, MOD_LAVA);
			else
				T_Damage (current_player, world, world, vec3_origin, current_player->s.origin, vec3_origin, 3*waterlevel, 0, 0, MOD_LAVA);
		}

		if (current_player->watertype & CONTENTS_SLIME)
		{
			if (!envirosuit)
			{	// no damage from slime with envirosuit
				T_Damage (current_player, world, world, vec3_origin, current_player->s.origin, vec3_origin, 1*waterlevel, 0, 0, MOD_SLIME);
			}
		}
	}
}


/*
===============
G_SetClientEffects
===============
*/
void G_SetClientEffects (edict_t *ent)
{
	int		pa_type;
	int		remaining;

	ent->s.effects = 0;
	ent->s.renderfx = 0;

	if (ent->health <= 0 || level.intermissiontime)
		return;

	if (ent->powerarmor_time > level.time)
	{
		pa_type = PowerArmorType (ent);
		if (pa_type == POWER_ARMOR_SCREEN)
		{
			ent->s.effects |= EF_POWERSCREEN;
		}
		else if (pa_type == POWER_ARMOR_SHIELD)
		{
			ent->s.effects |= EF_COLOR_SHELL;
			ent->s.renderfx |= RF_SHELL_GREEN;
		}
	}

//ZOID
	CTFEffects(ent);
//ZOID

	if (ent->client->quad_framenum > level.framenum)
	{
		remaining = ent->client->quad_framenum - level.framenum;
		if (remaining > 30 || (remaining & 4) )
//			ent->s.effects |= EF_QUAD;
			CTFSetPowerUpEffect(ent, EF_QUAD);
	}

	if (ent->client->invincible_framenum > level.framenum)
	{
		remaining = ent->client->invincible_framenum - level.framenum;
		if (remaining > 30 || (remaining & 4) )
//			ent->s.effects |= EF_PENT;
			CTFSetPowerUpEffect(ent, EF_PENT);
	}

	// show cheaters!!!
	if (ent->flags & FL_GODMODE)
	{
		ent->s.effects |= EF_COLOR_SHELL;
		ent->s.renderfx |= (RF_SHELL_RED|RF_SHELL_GREEN|RF_SHELL_BLUE);
	}
}


/*
===============
G_SetClientEvent
===============
*/
void G_SetClientEvent (edict_t *ent)
{
	if (ent->s.event)
		return;

	if ( ent->groundentity && xyspeed > 225)
	{
		if ( (int)(current_client->bobtime+bobmove) != bobcycle )
			ent->s.event = EV_FOOTSTEP;
	}
}

/*
===============
G_SetClientSound
===============
*/
void G_SetClientSound (edict_t *ent)
{
	char	*weap;

	if (ent->client->resp.game_helpchanged != game.helpchanged)
	{
		ent->client->resp.game_helpchanged = game.helpchanged;
		ent->client->resp.helpchanged = 1;
	}

	// help beep (no more than three times)
	if (ent->client->resp.helpchanged && ent->client->resp.helpchanged <= 3 && !(level.framenum&63) )
	{
		ent->client->resp.helpchanged++;
		gi.sound (ent, CHAN_VOICE, gi.soundindex ("misc/pc_up.wav"), 1, ATTN_STATIC, 0);
	}


	if (ent->client->pers.weapon)
		weap = ent->client->pers.weapon->classname;
	else
		weap = "";

	if (ent->waterlevel && (ent->watertype&(CONTENTS_LAVA|CONTENTS_SLIME)) )
		ent->s.sound = snd_fry;
	else if (strcmp(weap, "weapon_railgun") == 0)
		ent->s.sound = gi.soundindex("weapons/rg_hum.wav");
	else if (strcmp(weap, "weapon_bfg") == 0)
		ent->s.sound = gi.soundindex("weapons/bfg_hum.wav");
	else if (ent->client->weapon_sound)
		ent->s.sound = ent->client->weapon_sound;
	else
		ent->s.sound = 0;
}

/*
===============
G_SetClientFrame
===============
*/
void G_SetClientFrame (edict_t *ent)
{
	gclient_t	*client;
	qboolean	duck, run;

	if (ent->s.modelindex != 255)
		return;		// not in the player model

	client = ent->client;

	if (client->ps.pmove.pm_flags & PMF_DUCKED)
		duck = true;
	else
		duck = false;
	if (xyspeed)
		run = true;
	else
		run = false;

	// check for stand/duck and stop/go transitions
	if (duck != client->anim_duck && client->anim_priority < ANIM_DEATH)
		goto newanim;
	if (run != client->anim_run && client->anim_priority == ANIM_BASIC)
		goto newanim;
	if (!ent->groundentity && client->anim_priority <= ANIM_WAVE)
		goto newanim;

	if(client->anim_priority == ANIM_REVERSE)
	{
		if(ent->s.frame > client->anim_end)
		{
			ent->s.frame--;
			return;
		}
	}
	else if (ent->s.frame < client->anim_end)
	{	// continue an animation
		ent->s.frame++;
		return;
	}

	if (client->anim_priority == ANIM_DEATH)
		return;		// stay there
	if (client->anim_priority == ANIM_JUMP)
	{
		if (!ent->groundentity)
			return;		// stay there
		ent->client->anim_priority = ANIM_WAVE;
		ent->s.frame = FRAME_jump3;
		ent->client->anim_end = FRAME_jump6;
		return;
	}

newanim:
	// return to either a running or standing frame
	client->anim_priority = ANIM_BASIC;
	client->anim_duck = duck;
	client->anim_run = run;

	if (!ent->groundentity)
	{
//ZOID: if on grapple, don't go into jump frame, go into standing
//frame
		if (client->ctf_grapple) {
			ent->s.frame = FRAME_stand01;
			client->anim_end = FRAME_stand40;
		} else {
//ZOID
		client->anim_priority = ANIM_JUMP;
		if (ent->s.frame != FRAME_jump2)
			ent->s.frame = FRAME_jump1;
		client->anim_end = FRAME_jump2;
	}
	}
	else if (run)
	{	// running
		if (duck)
		{
			ent->s.frame = FRAME_crwalk1;
			client->anim_end = FRAME_crwalk6;
		}
		else
		{
			ent->s.frame = FRAME_run1;
			client->anim_end = FRAME_run6;
		}
	}
	else
	{	// standing
		if (duck)
		{
			ent->s.frame = FRAME_crstnd01;
			client->anim_end = FRAME_crstnd19;
		}
		else
		{
			ent->s.frame = FRAME_stand01;
			client->anim_end = FRAME_stand40;
		}
	}
}


/*
=================
ClientEndServerFrame

Called for each player at the end of the server frame
and right after spawning
=================
*/
void ClientEndServerFrame (edict_t *ent)
{
	float	bobtime;
	int		i;

	current_player = ent;
	current_client = ent->client;

	//
	// If the origin or velocity have changed since ClientThink(),
	// update the pmove values.  This will happen when the client
	// is pushed by a bmodel or kicked by an explosion.
	// 
	// If it wasn't updated here, the view position would lag a frame
	// behind the body position when pushed -- "sinking into plats"
	//
	for (i=0 ; i<3 ; i++)
	{
		current_client->ps.pmove.origin[i] = ent->s.origin[i]*8.0;
		current_client->ps.pmove.velocity[i] = ent->velocity[i]*8.0;
	}

	//
	// If the end of unit layout is displayed, don't give
	// the player any normal movement attributes
	//
	if (level.intermissiontime)
	{
		// FIXME: add view drifting here?
		current_client->ps.blend[3] = 0;
		current_client->ps.fov = 90;
		G_SetStats (ent);
		return;
	}

	AngleVectors (ent->client->v_angle, forward, right, up);

	// burn from lava, etc
	P_WorldEffects ();

	//
	// set model angles from view angles so other things in
	// the world can tell which direction you are looking
	//
	if (ent->client->v_angle[PITCH] > 180)
		ent->s.angles[PITCH] = (-360 + ent->client->v_angle[PITCH])/3;
	else
		ent->s.angles[PITCH] = ent->client->v_angle[PITCH]/3;
	ent->s.angles[YAW] = ent->client->v_angle[YAW];
	ent->s.angles[ROLL] = 0;
	ent->s.angles[ROLL] = SV_CalcRoll (ent->s.angles, ent->velocity)*4;

	//
	// calculate speed and cycle to be used for
	// all cyclic walking effects
	//
	xyspeed = sqrt(ent->velocity[0]*ent->velocity[0] + ent->velocity[1]*ent->velocity[1]);

	if (xyspeed < 5)
	{
		bobmove = 0;
		current_client->bobtime = 0;	// start at beginning of cycle again
	}
	else if (ent->groundentity)
	{	// so bobbing only cycles when on ground
		if (xyspeed > 210)
			bobmove = 0.25;
		else if (xyspeed > 100)
			bobmove = 0.125;
		else
			bobmove = 0.0625;
	}
	
	bobtime = (current_client->bobtime += bobmove);

	if (current_client->ps.pmove.pm_flags & PMF_DUCKED)
		bobtime *= 4;

	bobcycle = (int)bobtime;
	bobfracsin = fabs(sin(bobtime*M_PI));

	// detect hitting the floor
	P_FallingDamage (ent);

	// apply all the damage taken this frame
	P_DamageFeedback (ent);

	// determine the view offsets
	SV_CalcViewOffset (ent);

	// determine the gun offsets
	SV_CalcGunOffset (ent);

	// determine the full screen color blend
	// must be after viewoffset, so eye contents can be
	// accurately determined
	// FIXME: with client prediction, the contents
	// should be determined by the client
	SV_CalcBlend (ent);

//ZOID
	if (!ent->client->chase_target)
//ZOID
		G_SetStats (ent);

//ZOID
//update chasecam follower stats
	for (i = 1; i <= maxclients->value; i++) {
		edict_t *e = g_edicts + i;
		if (!e->inuse || e->client->chase_target != ent)
			continue;
		memcpy(e->client->ps.stats, 
			ent->client->ps.stats, 
			sizeof(ent->client->ps.stats));
		e->client->ps.stats[STAT_LAYOUTS] = 1;
		break;
	}
//ZOID


	G_SetClientEvent (ent);

	G_SetClientEffects (ent);

	G_SetClientSound (ent);

	G_SetClientFrame (ent);

	VectorCopy (ent->velocity, ent->client->oldvelocity);
	VectorCopy (ent->client->ps.viewangles, ent->client->oldviewangles);

	// clear weapon kicks
	VectorClear (ent->client->kick_origin);
	VectorClear (ent->client->kick_angles);

	// if the scoreboard is up, update it
	if (ent->client->showscores && !(level.framenum & 31) )
	{
//ZOID
		if (ent->client->menu) {
			PMenu_Do_Update(ent);
			ent->client->menudirty = false;
			ent->client->menutime = level.time;
		} else
//ZOID
			DeathmatchScoreboardMessage (ent, ent->enemy);
		gi.unicast (ent, false);
	}
}