/*
 * shavit's Timer - tas.inc file
 * by: xutaxkamay, shavit
 *
 * This file is part of shavit's Timer.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, version 3.0, as published by the
 * Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#if defined _shavit_tas_included
	#endinput
#endif
#define _shavit_tas_included


#define TAS_STYLE_SETTING "tas"

enum
{
	Type_Normal, // only w/s disables autostrafe
	Type_SurfOverride, // w/s always disables, a/d only over surf ramps
	Type_Override, // all keys disable
	Type_Size // size
};

// taken from shavit's oryx
stock bool IsSurfing(int client)
{
	float fPosition[3];
	GetClientAbsOrigin(client, fPosition);

	float fEnd[3];
	fEnd = fPosition;
	fEnd[2] -= 64.0;

	float fMins[3];
	GetEntPropVector(client, Prop_Send, "m_vecMins", fMins);

	float fMaxs[3];
	GetEntPropVector(client, Prop_Send, "m_vecMaxs", fMaxs);

	Handle hTR = TR_TraceHullFilterEx(fPosition, fEnd, fMins, fMaxs, MASK_PLAYERSOLID, TRFilter_NoPlayers, client);

	if(TR_DidHit(hTR))
	{
		float fNormal[3];
		TR_GetPlaneNormal(hTR, fNormal);

		delete hTR;

		// If the plane normal's Z axis is 0.7 or below (alternatively, -0.7 when upside-down) then it's a surf ramp.
		// https://github.com/alliedmodders/hl2sdk/blob/92dcf04225a278b75170cc84917f04e98f5d08ec/game/server/physics_main.cpp#L1059
		// https://github.com/ValveSoftware/source-sdk-2013/blob/0d8dceea4310fde5706b3ce1c70609d72a38efdf/mp/src/game/server/physics_main.cpp#L1065

		return (-0.7 <= fNormal[2] <= 0.7);
	}

	delete hTR;

	return false;
}

public bool TRFilter_NoPlayers(int entity, int mask, any data)
{
	return (entity != view_as<int>(data) || (entity < 1 || entity > MaxClients));
}