/*
 * Copyright (c) 2016-2024 Vera Visions LLC.
 *
 * 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.
*/

static bool
droptofloorwrapper(entity foo)
{
	bool result;
	entity old_self = self;
	self = foo;
	result = droptofloor();
	self = old_self;
	return result;
}

void
ncEntity::ncEntity(void)
{
	identity = 1;
	m_flSpawnTime = time;
	m_vecEditorColor = [1,1,1];
	m_holdingPlayer = __NULL__;
}

void
ncEntity::Spawn(void)
{
	Spawned();

	if (wasfreed(this)) {
		return;
	}

	/* only precache at start time... */
	if (time == 0.0f) {
		Precache();
	}

	Respawn();
}

void
ncEntity::Precache(void)
{
	if (STRING_SET(model)) {
		precache_model(model);
	}

#ifdef SERVER
	if (STRING_SET(m_strOnTrigger)) {
		m_strOnTrigger = CreateOutput(m_strOnTrigger);
	}
#endif
}

void
ncEntity::Spawned(void)
{
	super::Spawned();

#ifdef SERVER
	/* used to network our shared ID */
	entityDefID = EntityDef_NetIDFromName(classname);
#endif
}

bool
ncEntity::HasModel(void)
{
	return (modelindex == 0) ? (false) : (true);
}

float
ncEntity::EntIndex(void)
{
	return (num_for_edict(this));
}

bool
ncEntity::DropToFloor(void)
{
	return droptofloorwrapper(this);
}

vector
ncEntity::GetForward(void)
{
	return anglesToForward(angles);
}

vector
ncEntity::GetRight(void)
{
	return anglesToRight(angles);
}

vector
ncEntity::GetUp(void)
{
	return anglesToUp(angles);
}

vector
ncEntity::WorldSpaceCenter(void)
{
	return (absmin + (0.5 * (absmax - absmin)));
}

float
ncEntity::WaterLevel(void)
{
	return (waterlevel);
}

bool
ncEntity::VisibleVec(vector org)
{
	vector flDelta;
	float flFoV;

	flDelta = vectorNormalize(org - origin);
	flFoV = flDelta * GetForward();

	if (flFoV > 0.3f) {
		traceline(origin, org, TRUE, this);

		if (trace_fraction == 1.0f) {
			return (true);
		}
	}

	return (false);
}

bool
ncEntity::Visible(entity ent)
{
	/* is it in our field of view? */
	if (DistanceFromYaw(ent.origin) > 0.3f) {
		traceline(origin, ent.origin, MOVE_NORMAL, this);

		if (trace_fraction == 1.0f || trace_ent == ent) {
			/*print(sprintf("%s can see %s\n", classname, ent.classname));*/
			return (true);
		}
	}

	/*print(sprintf("%s can not see %s\n", classname, ent.classname));*/
	return (false);
}

float
ncEntity::DistanceFromYaw(vector targetPos)
{
	return vectorNormalize(targetPos - origin) * GetForward();
}

bool
ncEntity::HasSpawnFlags(float sf)
{
	return (spawnflags & sf) ? (true) : (false);
}

bool
ncEntity::IsOnGround(void)
{
	return (flags & FL_ONGROUND) ? (true) : (false);
}

bool
ncEntity::IsSolid(void)
{
	return (solid != SOLID_NOT) ? (true) : (false);
}

entity
ncEntity::GetGroundEntity(void)
{
	return (groundentity);
}

bool
ncEntity::CreatedByMap(void)
{
	return (_mapspawned);
}

bool
ncEntity::HeldByPlayer(void)
{
	return (m_holdingPlayer) ? (true) : (false);
}

#ifdef CLIENT
void
ncEntity::RendererRestarted(void)
{

}

float
ncEntity::predraw(void)
{
	if (GetModelindex() == 0 || IsHidden()) {
		return (PREDRAW_NEXT);
	}

	addentity(this);
	return (PREDRAW_NEXT);
}

void
ncEntity::ReceiveEntity(float flNew, float flChanged)
{
	READENTITY_COORD(origin[0], BASEFL_CHANGED_ORIGIN_X)
	READENTITY_COORD(origin[1], BASEFL_CHANGED_ORIGIN_Y)
	READENTITY_COORD(origin[2], BASEFL_CHANGED_ORIGIN_Z)
	READENTITY_ANGLE(angles[0], BASEFL_CHANGED_ANGLES_X)
	READENTITY_ANGLE(angles[1], BASEFL_CHANGED_ANGLES_Y)
	READENTITY_ANGLE(angles[2], BASEFL_CHANGED_ANGLES_Z)
	READENTITY_SHORT(modelindex, BASEFL_CHANGED_MODELINDEX)
	READENTITY_BYTE(solid, BASEFL_CHANGED_SOLID)
	READENTITY_BYTE(movetype, BASEFL_CHANGED_FLAGS)
	READENTITY_INT(flags, BASEFL_CHANGED_FLAGS)
	READENTITY_INT(vv_flags, BASEFL_CHANGED_FLAGS)
	READENTITY_COORD(mins[0], BASEFL_CHANGED_SIZE)
	READENTITY_COORD(mins[1], BASEFL_CHANGED_SIZE)
	READENTITY_COORD(mins[2], BASEFL_CHANGED_SIZE)
	READENTITY_COORD(maxs[0], BASEFL_CHANGED_SIZE)
	READENTITY_COORD(maxs[1], BASEFL_CHANGED_SIZE)
	READENTITY_COORD(maxs[2], BASEFL_CHANGED_SIZE)
	READENTITY_BYTE(frame, BASEFL_CHANGED_FRAME)
	READENTITY_FLOAT(skin, BASEFL_CHANGED_SKIN)
	READENTITY_INT(effects, BASEFL_CHANGED_EFFECTS)
	READENTITY_FLOAT(scale, BASEFL_CHANGED_SCALE)
	READENTITY_COORD(velocity[0], BASEFL_CHANGED_VELOCITY_X)
	READENTITY_COORD(velocity[1], BASEFL_CHANGED_VELOCITY_Y)
	READENTITY_COORD(velocity[2], BASEFL_CHANGED_VELOCITY_Z)
	READENTITY_COORD(avelocity[0], BASEFL_CHANGED_ANGULARVELOCITY)
	READENTITY_COORD(avelocity[1], BASEFL_CHANGED_ANGULARVELOCITY)
	READENTITY_COORD(avelocity[2], BASEFL_CHANGED_ANGULARVELOCITY)

	drawmask = (modelindex != 0) ? MASK_ENGINE : 0;

	if (scale == 0.0f) {
		scale = 1.0f;
	}

	if (flChanged & BASEFL_CHANGED_SIZE) {
		setsize(this, mins, maxs);
	}
}

void
ncEntity::_ReceiveComplete(float flNew, float flChanged)
{

}

void
ncEntity::ReceiveEvent(float eventType)
{
	switch (eventType) {
	default:
		EntError("Unknown event %d", eventType);
	}
}

void
ncEntity::postdraw(void)
{
}


#else
void
ncEntity::DebugDraw(void)
{
	DebugBox(GetOrigin(), GetMins(), GetMaxs(), m_vecEditorColor, 0.75f);
}

float
ncEntity::SendEntity(entity ePEnt, float flChanged)
{
	if (!modelindex) {
		return (0);
	}

	if (clienttype(ePEnt) != CLIENTTYPE_REAL) {
		return (0);
	}

	WriteByte(MSG_ENTITY, ENT_ENTITY);

	/* optimisation */
	{
		/* we'll never network these if we aren't moving. */
		if (movetype == MOVETYPE_NONE) {
			flChanged &= ~BASEFL_CHANGED_VELOCITY_X;
			flChanged &= ~BASEFL_CHANGED_VELOCITY_Y;
			flChanged &= ~BASEFL_CHANGED_VELOCITY_Z;
			flChanged &= ~BASEFL_CHANGED_ANGULARVELOCITY;
		}

		if (m_bIsBrush == true) {
			flChanged &= ~BASEFL_CHANGED_FLAGS;
			flChanged &= ~BASEFL_CHANGED_SCALE;
		}
	}

	/* broadcast how much data is expected to be read */
	WriteFloat(MSG_ENTITY, flChanged);

	SENDENTITY_COORD(origin[0], BASEFL_CHANGED_ORIGIN_X)
	SENDENTITY_COORD(origin[1], BASEFL_CHANGED_ORIGIN_Y)
	SENDENTITY_COORD(origin[2], BASEFL_CHANGED_ORIGIN_Z)
	SENDENTITY_ANGLE(angles[0], BASEFL_CHANGED_ANGLES_X)
	SENDENTITY_ANGLE(angles[1], BASEFL_CHANGED_ANGLES_Y)
	SENDENTITY_ANGLE(angles[2], BASEFL_CHANGED_ANGLES_Z)
	SENDENTITY_SHORT(modelindex, BASEFL_CHANGED_MODELINDEX)
	SENDENTITY_BYTE(solid, BASEFL_CHANGED_SOLID)
	SENDENTITY_BYTE(movetype, BASEFL_CHANGED_FLAGS)
	SENDENTITY_INT(flags, BASEFL_CHANGED_FLAGS)
	SENDENTITY_INT(vv_flags, BASEFL_CHANGED_FLAGS)
	SENDENTITY_COORD(mins[0], BASEFL_CHANGED_SIZE)
	SENDENTITY_COORD(mins[1], BASEFL_CHANGED_SIZE)
	SENDENTITY_COORD(mins[2], BASEFL_CHANGED_SIZE)
	SENDENTITY_COORD(maxs[0], BASEFL_CHANGED_SIZE)
	SENDENTITY_COORD(maxs[1], BASEFL_CHANGED_SIZE)
	SENDENTITY_COORD(maxs[2], BASEFL_CHANGED_SIZE)
	SENDENTITY_BYTE(frame, BASEFL_CHANGED_FRAME)
	SENDENTITY_FLOAT(skin, BASEFL_CHANGED_SKIN)
	SENDENTITY_INT(effects, BASEFL_CHANGED_EFFECTS)
	SENDENTITY_FLOAT(scale, BASEFL_CHANGED_SCALE)
	SENDENTITY_COORD(velocity[0], BASEFL_CHANGED_VELOCITY_X)
	SENDENTITY_COORD(velocity[1], BASEFL_CHANGED_VELOCITY_Y)
	SENDENTITY_COORD(velocity[2], BASEFL_CHANGED_VELOCITY_Z)
	SENDENTITY_COORD(avelocity[0], BASEFL_CHANGED_ANGULARVELOCITY)
	SENDENTITY_COORD(avelocity[1], BASEFL_CHANGED_ANGULARVELOCITY)
	SENDENTITY_COORD(avelocity[2], BASEFL_CHANGED_ANGULARVELOCITY)
	return (1);
}

void
ncEntity::EvaluateEntity(void)
{
	EVALUATE_VECTOR(origin, 0, BASEFL_CHANGED_ORIGIN_X)
	EVALUATE_VECTOR(origin, 1, BASEFL_CHANGED_ORIGIN_Y)
	EVALUATE_VECTOR(origin, 2, BASEFL_CHANGED_ORIGIN_Z)
	EVALUATE_VECTOR(angles, 0, BASEFL_CHANGED_ANGLES_X)
	EVALUATE_VECTOR(angles, 1, BASEFL_CHANGED_ANGLES_Y)
	EVALUATE_VECTOR(angles, 2, BASEFL_CHANGED_ANGLES_Z)
	EVALUATE_FIELD(modelindex, BASEFL_CHANGED_MODELINDEX)
	EVALUATE_FIELD(solid, BASEFL_CHANGED_SOLID)
	EVALUATE_FIELD(movetype, BASEFL_CHANGED_FLAGS)
	EVALUATE_FIELD(flags, BASEFL_CHANGED_FLAGS)
	EVALUATE_FIELD(vv_flags, BASEFL_CHANGED_FLAGS)
	EVALUATE_VECTOR(mins, 0, BASEFL_CHANGED_SIZE)
	EVALUATE_VECTOR(mins, 1, BASEFL_CHANGED_SIZE)
	EVALUATE_VECTOR(mins, 2, BASEFL_CHANGED_SIZE)
	EVALUATE_VECTOR(maxs, 0, BASEFL_CHANGED_SIZE)
	EVALUATE_VECTOR(maxs, 1, BASEFL_CHANGED_SIZE)
	EVALUATE_VECTOR(maxs, 2, BASEFL_CHANGED_SIZE)
	EVALUATE_FIELD(frame, BASEFL_CHANGED_FRAME)
	EVALUATE_FIELD(skin, BASEFL_CHANGED_SKIN)
	EVALUATE_FIELD(effects, BASEFL_CHANGED_EFFECTS)
	EVALUATE_FIELD(scale, BASEFL_CHANGED_SCALE)
	EVALUATE_VECTOR(velocity, 0, BASEFL_CHANGED_VELOCITY_X)
	EVALUATE_VECTOR(velocity, 1, BASEFL_CHANGED_VELOCITY_Y)
	EVALUATE_VECTOR(velocity, 2, BASEFL_CHANGED_VELOCITY_Z)
	EVALUATE_VECTOR(avelocity, 0, BASEFL_CHANGED_ANGULARVELOCITY)
	EVALUATE_VECTOR(avelocity, 1, BASEFL_CHANGED_ANGULARVELOCITY)
	EVALUATE_VECTOR(avelocity, 2, BASEFL_CHANGED_ANGULARVELOCITY)
}

/* Make sure StartFrame calls this */
void
ncEntity::ParentUpdate(void)
{
	if (tag_entity) {
		makevectors(tag_entity.angles);
		origin = tag_entity.origin + v_forward * m_parentPosOffs[0];
		origin += v_right * m_parentPosOffs[1];
		origin += v_up * m_parentPosOffs[2];
		angles = v_forward * m_parentPosOffs[0];
		angles += v_right * m_parentPosOffs[1];
		angles += v_up * m_parentPosOffs[2];
		angles = vectoangles(angles);
	}

	EvaluateEntity();

	if (!(vv_flags & VFL_NOFRAMEADVANCE)) {
		frame1time += frametime;
	}

	/* handle end-touch */
	if (m_beingTouched == true) {
		if (m_flTouchTime < GetTime()) {
			EndTouch(m_eTouchLast);
			m_beingTouched = false;
			m_eTouchLast = __NULL__;
		}
	}
}

bool
ncEntity::SharesPVSWithPlayer(void)
{
	entity entLoop = world;

	for (entLoop = world; ((entLoop = find(entLoop, ::classname, "player")));) {
		ncActor testPlayer = (ncActor)entLoop;

		/* players are first N entity slots after world, so exit when they're done */
		if (entLoop.classname != "player") {
			return (false);
		}

		if (checkpvs(testPlayer.GetEyePos(), this) == true) {
			return (true);
		}
	}

	return (false);
}

entity
ncEntity::GetParent(void)
{
	return tag_entity;
}

void
ncEntity::SetParent(string name)
{
	vector parentOffset, angleOffset;
	tag_entity = find(world, ::targetname, name);
	parentOffset = origin - tag_entity.origin;
	angleOffset = anglesToForward(angles) - anglesToForward(tag_entity.angles);
	makevectors(tag_entity.angles);
	m_parentPosOffs[0] = dotproduct(parentOffset, v_forward);
	m_parentPosOffs[1] = dotproduct(parentOffset, v_right);
	m_parentPosOffs[2] = dotproduct(parentOffset, v_up);
	m_parentAngOffs[0] = dotproduct(angleOffset, v_forward);
	m_parentAngOffs[1] = dotproduct(angleOffset, v_right);
	m_parentAngOffs[2] = dotproduct(angleOffset, v_up);
}

void
ncEntity::SetParentAttachment(string name)
{
	if (name != "origin") {
		tag_index = gettagindex(tag_entity, name);
	} else {
		tag_index = 0;
	}
}

void
ncEntity::ClearParent(void)
{
	tag_entity = world;
	tag_index = 0;
}

void
ncEntity::RestoreAngles(void)
{
	vector spawnAngles = g_vec_null;
	string spawnAngleString = GetSpawnString("angles");

	if (spawnAngleString == "") {
		spawnAngles[1] = GetSpawnFloat("angle");
	} else {
		spawnAngles = stov(spawnAngleString);
	}

	SetAngles(spawnAngles);
}

void
ncEntity::ClearAngles(void)
{
	SetAngles(g_vec_null);
}

void
ncEntity::ForceNetworkUpdate(void)
{
	SendFlags = -1;
}

void
ncEntity::UseBy(entity ourActivator)
{
	if (PlayerUse) {
		eActivator = (ncEntity)ourActivator;
		PlayerUse();
	}
}
#endif

void
ncEntity::SetEffects(__int32 newEffects)
{
	effects = newEffects;
}

void
ncEntity::SetFrame(float newFrame)
{
	if (newFrame == frame) {
		return;
	}

	frame = newFrame;
	frame1time = 0.0f;


#ifdef SERVER
	/* check if an event callback exists */
	{
		int eDefEvents;
		string ourName;

		if (modelframecount(modelindex) > 0) {
			ourName = frametoname(modelindex, frame);
		} else {
			return;
		}

		eDefEvents = tokenize(m_strModelEventCB);

		for (int i = 0; i < eDefEvents; i+=3) {
			string testName = argv(i+0);
			string testInput = argv(i+1);
			string testData = argv(i+2);

			if (ourName == testName) {
				if (testData != "") {
					Input(this, testInput, testData);
				} else {
					Input(this, testInput, ""); /* no parms passed. */
				}

				tokenize(m_strModelEventCB); /* ensure argv() is 'rewound'... */
			}
		}
	}
#endif
}

void
ncEntity::SetSkin(float newSkin)
{
	skin = newSkin;
}

void
ncEntity::SetOwner(entity newOwner)
{
	owner = newOwner;
}

void
ncEntity::SetVelocity(vector vecNew)
{
	velocity = vecNew;
}

void
ncEntity::SetTouch(void ()newTouch)
{
	touch = newTouch;
}

void
ncEntity::SetSendFlags(float flSendFlags)
{
#ifdef SERVER
	SendFlags |= flSendFlags;
#endif
}

void
ncEntity::SetMovetype(float newMovetype)
{
	movetype = newMovetype;
}

void
ncEntity::SetGravity(float newGrav)
{
	gravity = newGrav;
}

void
ncEntity::SetSolid(float newSolid)
{
	solid = newSolid;
}

void
ncEntity::SetScale(float newScale)
{
	if (newScale == scale) {
		return;
	}

	scale = newScale;
	setsize(this, m_vecMins * scale, m_vecMaxs * scale);
}

vector
ncEntity::GetViewAngle(void)
{
	if (isSentient(this)) {
		return (v_angle);
	} else {
		return (angles);
	}
}

void
ncEntity::SetEyePos(vector value)
{
	view_ofs = value;
}

vector
ncEntity::GetEyePos(void)
{
	if (HasVFlags(VFL_FAKESPEC)) {
		return (origin);
	}

	return (origin + view_ofs);
}

void
ncEntity::UpdateBounds(void)
{
	vector newMins, newMaxs;
	float flScale = 1.0f;

	newMins = m_vecMins;
	newMaxs = m_vecMaxs;

	/* avoid useless computation */
	if (angles != [0, 0, 0]) {
		/* adjust bbox according to rotation */
		vector vecCorner[8];

		newMins = newMaxs =[0, 0, 0];
		for (int i = 0; i < 8; i++) {
			vecCorner[i][0] = (i & 1) ? m_vecMins[0] : m_vecMaxs[0];
			vecCorner[i][1] = (i & 2) ? m_vecMins[1] : m_vecMaxs[1];
			vecCorner[i][2] = (i & 4) ? m_vecMins[2] : m_vecMaxs[2];
			vecCorner[i] += origin;
			vecCorner[i] = rotateAroundPoint(vecCorner[i], origin, angles[1]);
			vecCorner[i] -= origin;

			if (!(vecCorner[i][0] <= newMaxs[0]))
				newMaxs[0] = vecCorner[i][0];
			if (!(vecCorner[i][1] <= newMaxs[1]))
				newMaxs[1] = vecCorner[i][1];
			if (!(vecCorner[i][2] <= newMaxs[2]))
				newMaxs[2] = vecCorner[i][2];

			if (!(vecCorner[i][0] >= newMins[0]))
				newMins[0] = vecCorner[i][0];
			if (!(vecCorner[i][1] >= newMins[1]))
				newMins[1] = vecCorner[i][1];
			if (!(vecCorner[i][2] >= newMins[2]))
				newMins[2] = vecCorner[i][2];
		}
	}

	/* 0.0 is never valid, if you want it to disappear do something else */
	if (scale != 0.0) {
		flScale = scale;
	}

	setsize(this, newMins * flScale, newMaxs * flScale);
}

void
ncEntity::SetAngles(vector newAngles)
{
	angles = newAngles;
}

void
ncEntity::SetAngularVelocity(vector newAvel)
{
	avelocity = newAvel;
}

void
ncEntity::SetSize(vector newMins, vector newMaxs)
{
	float flScale = 1.0f;

	m_vecMins = newMins;
	m_vecMaxs = newMaxs;

	/* 0.0 is never valid, if you want it to disappear do something else */
	if (scale != 0.0f) {
		flScale = scale;
	}

	setsize(this, newMins * flScale, newMaxs * flScale);
}

void
ncEntity::SetOrigin(vector newOrigin)
{
	setorigin(this, newOrigin);
}

void
ncEntity::SetOriginUnstick(vector newOrigin)
{
	setorigin_safe(this, newOrigin);
}

bool
ncEntity::IsBrush(void)
{
	return (m_bIsBrush);
}

void
ncEntity::SetModel(string newModel)
{
	m_bIsBrush = substring(newModel, 0, 1) == "*" ? true : false;
	model = Util_FixModel(newModel);
	setmodel(this, model);

#ifdef SERVER
	m_vecModelMins = mins;
	m_vecModelMaxs = maxs;
#endif

	/* mins/maxs have been updated by setmodel */
	SetSize(mins, maxs);
}

void
ncEntity::SetModelindex(float newModelIndex)
{
	if (newModelIndex == modelindex) {
		return;
	}

	modelindex = newModelIndex;
	SetSize(mins, maxs);
}

void
ncEntity::AddAngularVelocity(vector addVel)
{
	avelocity += addVel;
}

void
ncEntity::AddVelocity(vector addVel)
{
	velocity += addVel;
}

void
ncEntity::AddEffects(__int32 fl) {
	effects |= fl;
}

void
ncEntity::RemoveEffects(__int32 fl) {
	effects &= ~fl;
}


void
ncEntity::AddFlags(float fl) {
	flags |= fl;
}

void
ncEntity::RemoveFlags(float fl) {
	flags &= ~fl;
}


void
ncEntity::AddVFlags(float fl) {
	vv_flags |= fl;
}

void
ncEntity::RemoveVFlags(float fl) {
	vv_flags &= ~fl;
}

void
ncEntity::TurnTo(float targetAngle) {
	angles[1] = targetAngle;
}

void
ncEntity::TurnToPos(vector targetPos) {
	angles = vectorToAngles(targetPos - WorldSpaceCenter());
}

__int32
ncEntity::GetEffects(void) {
	return (effects);
}

float
ncEntity::GetFrame(void) {
	return (frame);
}

float
ncEntity::GetSkin(void) {
	return (skin);
}

float
ncEntity::GetScale(void) {
	return (scale);
}

entity
ncEntity::GetOwner(void) {
	return (owner);
}

vector
ncEntity::GetVelocity(void) {
	return (velocity);
}

float
ncEntity::GetSolid(void) {
	return (solid);
}

string
ncEntity::GetModel(void)
{
	return (model);
}

float
ncEntity::GetModelindex(void)
{
	return (modelindex);
}

float
ncEntity::GetMovetype(void)
{
	return (movetype);
}

float
ncEntity::GetGravity(void)
{
	return (gravity);
}

vector
ncEntity::GetAngles(void)
{
	return (angles);
}

vector
ncEntity::GetAngularVelocity(void)
{
	return (avelocity);
}

vector
ncEntity::GetOrigin(void)
{
	return (origin);
}

vector
ncEntity::GetSize(void)
{
	return (size);
}

vector
ncEntity::GetMins(void)
{
	return (mins);
}

vector
ncEntity::GetMaxs(void)
{
	return (maxs);
}

vector
ncEntity::GetRealMins(void)
{
	return (m_vecMins);
}

vector
ncEntity::GetRealMaxs(void)
{
	return (m_vecMaxs);
}

vector
ncEntity::GetAbsoluteMins(void)
{
	return (absmin);
}

vector
ncEntity::GetAbsoluteMaxs(void)
{
	return (absmax);
}

float
ncEntity::GetFlags(void)
{
	return (flags);
}

float
ncEntity::GetVFlags(void)
{
	return (vv_flags);
}

bool
ncEntity::HasFlags(float bits)
{
	return (flags & bits) ? (true) : (false);
}

bool
ncEntity::HasVFlags(float bits)
{
	return (vv_flags & bits) ? (true) : (false);
}

void
ncEntity::ClearVelocity(void)
{
	velocity = avelocity = [0.0f, 0.0f, 0.0f];
}

#ifdef SERVER
vector
ncEntity::GetModelMins(void)
{
	return (m_vecModelMins);
}

vector
ncEntity::GetModelMaxs(void)
{
	return (m_vecModelMaxs);
}

void
ncEntity::Respawn(void)
{
	super::Respawn();

	if (CreatedByMap()) {
		SetOrigin(GetSpawnVector("origin"));
	}

	SetAngles(GetSpawnVector("angles"));
	SetModel(GetSpawnString("model"));

	if (STRING_SET(m_parent)) {
		SetParent(m_parent);
	}
}

void
ncEntity::Save(float handle)
{
	super::Save(handle);
	SaveEntity(handle, "tag_entity", tag_entity);
	SaveFloat(handle, "tag_index", tag_index);
	SaveFloat(handle, "pvsflags", pvsflags);
	SaveBool(handle, "_mapspawned", _mapspawned);
	SaveFloat(handle, "scale", scale);
	SaveFloat(handle, "vv_flags", vv_flags);
	SaveFloat(handle, "friction", friction);
	SaveVector(handle, "m_vecMins", m_vecMins);
	SaveVector(handle, "m_vecMaxs", m_vecMaxs);
	SaveFloat(handle, "m_flTouchTime", m_flTouchTime);
	SaveBool(handle, "m_beingTouched", m_beingTouched);
	SaveEntity(handle, "m_eTouchLast", m_eTouchLast);
	SaveVector(handle, "m_vecEditorColor", m_vecEditorColor);
}

void
ncEntity::Restore(string strKey, string strValue)
{
	switch (strKey) {
	case "tag_entity":
		tag_entity = ReadEntity(strValue);
		break;
	case "tag_index":
		tag_index = ReadFloat(strValue);
		break;
	case "pvsflags":
		pvsflags = ReadFloat(strValue);
		break;
	case "_mapspawned":
		_mapspawned = ReadBool(strValue);
		break;
	case "scale":
		scale = ReadFloat(strValue);
		break;
	case "vv_flags":
		vv_flags = ReadFloat(strValue);
		break;
	case "friction":
		friction = ReadFloat(strValue);
		break;
	case "m_vecMins":
		m_vecMins = ReadVector(strValue);
		break;
	case "m_vecMaxs":
		m_vecMaxs = ReadVector(strValue);
		break;
	case "m_flTouchTime":
		m_flTouchTime = ReadFloat(strValue);
		break;
	case "m_beingTouched":
		m_beingTouched = ReadBool(strValue);
		break;
	case "m_eTouchLast":
		m_eTouchLast = ReadEntity(strValue);
		break;
	case "m_vecEditorColor":
		m_vecEditorColor = ReadVector(strValue);
		break;
	default:
		super::Restore(strKey, strValue);
		break;
	}
}

void
ncEntity::Event_SpawnDefRelative(string classDef, float xOfs, float yOfs, float zOfs)
{
	vector posOffset;
	posOffset = anglesToForward(GetAngles()) * xOfs;
	posOffset += anglesToRight(GetAngles()) * yOfs;
	posOffset += anglesToUp(GetAngles()) * zOfs;
	ncEntity rocket = EntityDef_NewClassname(classDef);
	rocket.SetOrigin(GetOrigin() + posOffset);
	rocket.SetAngles(GetAngles());
	rocket.owner = this;
	rocket.Spawn();
	EntLog("Spawned decl %S at relative offset %v (%v)", classDef, posOffset, rocket.origin);
}

void
ncEntity::Input(entity eAct, string strInput, string strData)
{
	switch (strInput) {
	case "Kill":
		Destroy();
		break;
	case "KillHierarchy":
		/* this works because ents are basically just entnums */
		for (entity e = world; (e = findfloat(e, ::owner, this));) {
			ncEntity ent = (ncEntity) e;

			ent.Destroy();
		}
		Destroy();
		break;
	case "SetParent":
		SetParent(strData);
		break;
	case "SetParentAttachment":
		SetParentAttachment(strData);
		break;
	case "ClearParent":
		ClearParent();
		break;
	case "Use":
		eActivator = (ncEntity)eAct;

		if (PlayerUse)
			PlayerUse();
		break;
	case "ShootGib":
		tokenize_console(strData);
		string breakModel = argv(0);
		float breakSpeed = stof(argv(1));
		int breakCount = stoi(argv(2));
		BreakModel_Spawn(origin, origin, v_angle, breakSpeed, breakCount, breakModel);
		break;
	case "SpawnDef":
		break;
	case "SpawnDefOffset":
#ifdef SERVER
		tokenize_console(strData);
		Event_SpawnDefRelative(argv(0), stof(argv(1)), stof(argv(2)), stof(argv(3)));
#endif
		break;
	case "KillChildClass":
		for (entity e = world; (e = findfloat(e, ::owner, this));) {
			if (strData == e.classname) {
				ncEntity ent = (ncEntity) e;
				ent.Destroy();
			}
		}
		break;
	case "SpawnProjectileOffset":
		vector launchOffset;
		tokenize_console(strData);
		string defName = argv(0);
		launchOffset[0]= stof(argv(1));
		launchOffset[1]= stof(argv(2));
		launchOffset[2]= stof(argv(3));

		if (EntityDef_HasSpawnClass(defName)) {
			ncProjectile_SpawnDefAtPosition(defName, (ncActor)this, GetOrigin() + launchOffset, GetViewAngle());
		}
		break;
	case "SpawnProjectileDef":
		if (EntityDef_HasSpawnClass(strData)) {
			ncProjectile_SpawnDefAttachment(strData, (ncActor)this, 0);
		}
		break;
	case "StartSoundDef":
		StartSoundDef(strData, CHAN_VOICE, true);
		break;
	case "AddVelocity":
		vector velAdd = stov(strData);
		velocity += GetForward() * velAdd[0];
		velocity += GetRight() * velAdd[1];
		velocity += GetUp() * velAdd[2];
		break;
	case "Shockwave":
		int c = tokenize(strData);
		
		WriteByte(MSG_MULTICAST, SVC_CGAMEPACKET);
		WriteByte(MSG_MULTICAST, EV_BEAMCYLINDER);
		WriteCoord(MSG_MULTICAST, origin[0]);
		WriteCoord(MSG_MULTICAST, origin[1]);
		WriteCoord(MSG_MULTICAST, origin[2]);
		WriteCoord(MSG_MULTICAST, angles[0]);
		WriteCoord(MSG_MULTICAST, stof(argv(1)));
		WriteCoord(MSG_MULTICAST, angles[2]);
		WriteShort(MSG_MULTICAST, getmodelindex(argv(0)));
		WriteByte(MSG_MULTICAST, stof(argv(2)));
		WriteByte(MSG_MULTICAST, stof(argv(3)));
		WriteByte(MSG_MULTICAST, stof(argv(4)));
		WriteByte(MSG_MULTICAST, stof(argv(5)));
		WriteByte(MSG_MULTICAST, stof(argv(6)));
		WriteByte(MSG_MULTICAST, stof(argv(7)));
		WriteByte(MSG_MULTICAST, stof(argv(8)));
		WriteByte(MSG_MULTICAST, stof(argv(9)));
		WriteByte(MSG_MULTICAST, stof(argv(10)));
		WriteByte(MSG_MULTICAST, stof(argv(11)));

		msg_entity = this;
		multicast(origin, MULTICAST_PVS);
		break;
	case "SetOrigin":
		SetOrigin(stov(strData));
		break;
	case "SetEditorColor":
		m_vecEditorColor = ReadVector(strData);
		break;
	case "Respawn":
		Respawn();
		break;
	default:
		ncTrigger::Input(eAct, strInput, strData);
	}
}
#endif

void
ncEntity::SpawnKey(string strKey, string strValue)
{
	bool tempCheck = false;
	/* we do re-read a lot of the builtin fields in case we want to set
	   defaults. just in case anybody is wondering. */
	switch (strKey) {
	case "spawnflags":
		spawnflags = ReadFloat(strValue);
		break;
	case "origin":
		origin = ReadVector(strValue);
		break;
	case "model":
		model = ReadString(strValue);
		break;
	case "angles":
		angles = ReadVector(strValue);
		break;
	case "angle":
		angles[1] = ReadFloat(strValue);
		break;
	case "solid":
		solid = ReadFloat(strValue);
		break;
	case "friction":
		friction = ReadFloat(strValue);
		break;
	case "editor_color":
		m_vecEditorColor = ReadVector(strValue);
		break;
#ifdef SERVER
	case "health":
		health = ReadFloat(strValue);
		break;
	case "movewith":
	case "parentname":
		m_parent = ReadString(strValue);
		break;
	case "ignorepvs":
		tempCheck = ReadBool(strValue);

		if (tempCheck == true)
			pvsflags = PVSF_IGNOREPVS;
		else
			pvsflags &= ~PVSF_IGNOREPVS;

		break;
#endif
	case "editor_mins":
	case "editor_maxs":
	case "editor_usage":
	case "editor_model":
	case "editor_rotatable":
	case "editor_description":
	case "_minlight":
		break;
	default:
		super::SpawnKey(strKey, strValue);
		break;
	}
}

void
ncEntity::Show(void)
{
	effects &= ~EF_NODRAW;
}

void
ncEntity::Hide(void)
{
	effects |= EF_NODRAW;
}

bool
ncEntity::IsHidden(void)
{
	return (effects & EF_NODRAW) ? true : false;
}

void
ncEntity::Disappear(void)
{
	modelindex = (0);
	SetSolid(SOLID_NOT);
}

void
ncEntity::MakeStatic(void)
{
	makestatic(this);
}

bool
ncEntity::CanSpawn(bool clientSide)
{
	return !(clientSide);
}

bool
ncEntity::WithinBounds(entity check)
{
	if not (check.absmin[0] >= absmin[0] && check.absmax[0] <= absmax[0])
			return (false);
	if not (check.absmin[1] >= absmin[1] && check.absmax[1] <= absmax[1])
			return (false);
	if not (check.absmin[2] >= absmin[2] && check.absmax[2] <= absmax[2])
			return (false);

	return (true);
}

bool
ncEntity::IntersectsWith(entity check)
{
	if not (check.origin[0] >= absmin[0] && check.origin[0] <= absmax[0])
			return (false);
	if not (check.origin[1] >= absmin[1] && check.origin[1] <= absmax[1])
			return (false);
	if not (check.origin[2] >= absmin[2] && check.origin[2] <= absmax[2])
			return (false);

	return (true);
}

bool
ncEntity::StartSound(string strSample, float channel, float flags, bool broadcast)
{
	if not (whichpack(strcat("sound/", strSample))) 
		return (false);

	if (broadcast) {
		sound(this, channel, strSample, 1.0f, ATTN_NORM, 0, SOUNDFLAG_FOLLOW);
	} else {
#ifdef SERVER
		msg_entity = this;
		sound(this, channel, strSample, 1.0f, ATTN_NORM, 0, SOUNDFLAG_UNICAST | SOUNDFLAG_FOLLOW);
		msg_entity = __NULL__;
#else
		sound(this, channel, strSample, 1.0f, ATTN_NORM, 0, SOUNDFLAG_FOLLOW);
#endif
	}

	SndEntLog("%s (chan: %d bcast: %d) (%v)", strSample, channel, broadcast, origin);

	return (true);
}

bool
ncEntity::StartSoundDef(string strSample, float channel, bool broadcast)
{
	SndEntLog("%s (chan: %d bcast: %d)", strSample, channel, broadcast);
	Sound_Play(this, channel, strSample);
	return (true);
}

void
ncEntity::StopSound(float channel, bool broadcast)
{
	if (broadcast) {
		Sound_Stop(this, channel);
	} else {
#ifdef SERVER
		msg_entity = this;
		sound(this, channel, "common/null.wav", 0.1f, ATTN_NORM, 100, SOUNDFLAG_UNICAST  | SOUNDFLAG_FOLLOW, 0 );
		msg_entity = __NULL__;
#else
		Sound_Stop(this, channel);
#endif
	}
}

vector
ncEntity::NearestWallPointForRadius(float radius)
{
	vector vecRadius = [radius, radius, radius];
	tracebox(origin, -vecRadius, vecRadius, origin, MOVE_EVERYTHING, this);
	return (trace_fraction <= 1.0) ? (trace_endpos) : (origin);
}

void
ncEntity::HandleThink(void)
{
	/* support for think/nextthink */
	if (think && nextthink > 0.0f) {
		if (nextthink < time) {
			nextthink = 0.0f;
			think();
		}
	}
}

bool
ncEntity::IsFacing(entity target)
{
	vector vecDiff = vectorNormalize(target.origin - origin);
	return ((vecDiff * GetForward()) > 0) ? true : false;
}

bool
ncEntity::IsFacingPosition(vector targetPos)
{
	vector vecDiff = vectorNormalize(targetPos - origin);
	return ((vecDiff * GetForward()) > 0) ? true : false;
}

float
ncEntity::GetSpawnAge(void)
{
	return (time - m_flSpawnTime);
}

float
ncEntity::GetSpawnTime(void)
{
	return (m_flSpawnTime);
}

void
ncEntity::Transport(vector new_pos, vector new_ang)
{
	float flSpeed = length(this.GetVelocity());
	SetVelocity(anglesToForward(new_ang) * flSpeed);

	SetOrigin(new_pos);
	SetAngles(new_ang);

#ifdef SERVER
	if (isClient(this)) {
		Client_FixAngle(this, new_ang);
	}
#endif
}

void
ncEntity::Relink(void)
{
	setorigin(this, origin);
}

vector
ncEntity::GetNearbySpot(void)
{
	vector testPos;
	float minDist = maxs[0];
	vector fwdDir, rightDir, upDir;

	fwdDir = anglesToForward([0,0,0]);
	rightDir = anglesToRight([0,0,0]);
	upDir = anglesToUp([0,0,0]);

	/* space in front? */
	testPos = GetOrigin() + fwdDir * minDist;
	tracebox(testPos, mins, maxs, testPos, MOVE_NORMAL, this);

	if (trace_fraction == 1.0f) {
		return (testPos);
	}

	/* behind? */
	testPos = GetOrigin() - fwdDir * minDist;
	tracebox(testPos, mins, maxs, testPos, MOVE_NORMAL, this);

	if (trace_fraction == 1.0f) {
		return (testPos);
	}

	/* left? */
	testPos = GetOrigin() - rightDir * minDist;
	tracebox(testPos, mins, maxs, testPos, MOVE_NORMAL, this);

	if (trace_fraction == 1.0f) {
		return (testPos);
	}

	/* right? */
	testPos = GetOrigin() + rightDir * minDist;
	tracebox(testPos, mins, maxs, testPos, MOVE_NORMAL, this);

	if (trace_fraction == 1.0f) {
		return (testPos);
	}

	/* front left? */
	testPos = GetOrigin() + fwdDir * minDist - rightDir * minDist;
	tracebox(testPos, mins, maxs, testPos, MOVE_NORMAL, this);

	if (trace_fraction == 1.0f) {
		return (testPos);
	}

	/* front right? */
	testPos = GetOrigin() + fwdDir * minDist + rightDir * minDist;
	tracebox(testPos, mins, maxs, testPos, MOVE_NORMAL, this);

	if (trace_fraction == 1.0f) {
		return (testPos);
	}

	/* back left? */
	testPos = GetOrigin() - fwdDir * minDist - rightDir * minDist;
	tracebox(testPos, mins, maxs, testPos, MOVE_NORMAL, this);

	if (trace_fraction == 1.0f) {
		return (testPos);
	}

	/* back right? */
	testPos = GetOrigin() - fwdDir * minDist + rightDir * minDist;
	tracebox(testPos, mins, maxs, testPos, MOVE_NORMAL, this);

	if (trace_fraction == 1.0f) {
		return (testPos);
	}

	return (g_vec_null);
}

bool
ncEntity::_ProjectileAttack(string defName, bool wasReleased)
{
#ifdef SERVER
	string attackDef;
	int numProjectiles = GetSubDefInt(defName, "numProjectiles");
	float sX = GetSubDefFloat(defName, "spread_x");
	float sY = GetSubDefFloat(defName, "spread_y");

	/* always fire at least 1 */
	if (numProjectiles <= 0i) {
		numProjectiles = 1i;
	}

	if (wasReleased == true) {
		attackDef = GetSubDefString(defName, "def_onRelease");
	} else {
		attackDef = GetSubDefString(defName, "def_onFire");
	}

	for (int i = 0i; i < numProjectiles; i++) {
		EntLog("Launching %S at %v towards %v", attackDef, GetEyePos(), GetViewAngle());
		ncAttack_SpawnDefAtPosition(attackDef, (ncActor)this, GetEyePos(), GetViewAngle());
	}
#endif

	return (true);
}

bool
ncEntity::AttackByDef(string defName, bool wasReleased)
{
	if (!defName) {
		return (false);
	}

#ifdef SERVER
	_ProjectileAttack(defName, wasReleased);
#endif

	return (true);
}

void
ncEntity::SetBotTag(botInfo_t newTag)
{
#ifdef SERVER
	botinfo = newTag;
#endif
}

int
ncEntity::GetSharedID(void)
{
#ifdef CLIENT
	return (int)(entnum);
#else
	return (int)num_for_edict(this);
#endif
}

void
ncEntity::EnablePlayerCollision(void)
{
	dimension_solid = 255;
	dimension_hit = 255;
}

void
ncEntity::DisablePlayerCollision(void)
{
	dimension_solid = 1;
	dimension_hit = 1;
}