/*******************************************************************************
 Basic Protections (Driveby, teamkill, helikill, spawnkill, chat spam)
 Created 2007 - HAMM3R
 -
 Driveby detection elements adapted from code by Serafim
 -
 Modify it, erase it, explode it with a nuclear warhead... I don't care.
*******************************************************************************/

#include <a_samp>

// ADJUST THESE TO MODIFY EACH PROTECTION'S SETTINGS
#define HELIKILL_PROTECTION 1
#define HELIKILL_MAX_KILLS 5
#define HELIKILL_TIMELIMIT 600 // 10 MINUTES

#define DRIVEBY_PROTECTION 1
#define DRIVEBY_MAX_KILLS 5
#define DRIVEBY_TIMELIMIT 600 // 10 MINUTES

#define TEAMKILL_PROTECTION 1
#define TEAMKILL_MAX_KILLS 5
#define TEAMKILL_TIMELIMIT 600 // 10 MINUTES

#define SPAWNKILL_PROTECTION 1
#define SPAWNKILL_MAX_KILLS 4
#define SPAWNKILL_TIMELIMIT 40 // 40 SECONDS

#define SPAM_PROTECTION 1
#define SPAM_MAX_MSGS 4
#define SPAM_TIMELIMIT 8 // 8 SECONDS

forward Float:GetDistanceBetweenPlayers(p1,p2);

new gSpamCount[MAX_PLAYERS][2];
new gTeamkillCount[MAX_PLAYERS][2];
new gHelikillCount[MAX_PLAYERS][2];
new gSpawnkillCount[MAX_PLAYERS][MAX_PLAYERS][2];
new gDrivebyCount[MAX_PLAYERS][2];



public OnPlayerText(playerid, text[])
{
	#if SPAM_PROTECTION
		SpamProtection(playerid);
	#endif
	return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
	if(reason == 50) {
		#if HELIKILL_PROTECTION
	    	    HelikillProtection(killerid);
		#endif
	}
	if(GetPlayerTeam(killerid) == GetPlayerTeam(playerid)) {
		#if TEAMKILL_PROTECTION
	    	    TeamkillProtection(killerid);
		#endif
	}
	if(!IsPlayerInAnyVehicle(playerid) && GetPlayerState(killerid) == PLAYER_STATE_DRIVER &&
		(reason == WEAPON_TEC9 || reason == WEAPON_UZI || reason == WEAPON_MP5) &&
		GetDistanceBetweenPlayers(playerid,killerid) < 100) {
		#if DRIVEBY_PROTECTION
	    	    DrivebyProtection(killerid);
		#endif
	}
	#if SPAWNKILL_PROTECTION
   	    SpawnkillProtection(killerid,playerid);
	#endif

	return 1;
}

stock TeamkillProtection(killerid)
{
	new string[64];
	if(gTeamkillCount[killerid][0] == 0) {
		gTeamkillCount[killerid][0] = 1;
	    gTeamkillCount[killerid][1] = TimeStamp();
	}
	else {
	    gTeamkillCount[killerid][0]++;
		if(TimeStamp() - gTeamkillCount[killerid][1] > DRIVEBY_TIMELIMIT) {
  			gTeamkillCount[killerid][0] = 1;
  			gTeamkillCount[killerid][1] = TimeStamp();
		}
		else if(gTeamkillCount[killerid][0] == DRIVEBY_MAX_KILLS) {
  			format(string,sizeof(string),"*** %s has been kicked (Excessive teamkilling)",GetName(killerid));
			SendClientMessageToAll(0xC8BEBEAA,string);
			Kick(killerid);
		}
		else if(gTeamkillCount[killerid][0] == DRIVEBY_MAX_KILLS-1) {
		    SendClientMessage(killerid,0xC8BEBEAA,"*** Stop teamkilling - Next one is a kick");
		}
	}
	return 1;
}

stock HelikillProtection(killerid)
{
	new string[64];
	if(gHelikillCount[killerid][0] == 0) {
		gHelikillCount[killerid][0] = 1;
	    gHelikillCount[killerid][1] = TimeStamp();
	}
	else {
	    gHelikillCount[killerid][0]++;
		if(TimeStamp() - gHelikillCount[killerid][1] > HELIKILL_TIMELIMIT) {
  			gHelikillCount[killerid][0] = 1;
  			gHelikillCount[killerid][1] = TimeStamp();
		}
		else if(gHelikillCount[killerid][0] == HELIKILL_MAX_KILLS) {
  			format(string,sizeof(string),"*** %s has been kicked (Excessive helikilling)",GetName(killerid));
			SendClientMessageToAll(0xC8BEBEAA,string);
			Kick(killerid);
		}
		else if(gHelikillCount[killerid][0] == HELIKILL_MAX_KILLS-1) {
		    SendClientMessage(killerid,0xC8BEBEAA,"*** Stop helikilling - Next one is a kick");
		}
	}
	return 1;
}

stock DrivebyProtection(killerid)
{
	new string[64];
	if(gDrivebyCount[killerid][0] == 0) {
		gDrivebyCount[killerid][0] = 1;
	    gDrivebyCount[killerid][1] = TimeStamp();
	}
	else {
	    gDrivebyCount[killerid][0]++;
		if(TimeStamp() - gDrivebyCount[killerid][1] > DRIVEBY_TIMELIMIT) {
		    gDrivebyCount[killerid][1] = TimeStamp();
  			gDrivebyCount[killerid][0] = 1;
		}
		else if(gDrivebyCount[killerid][0] == DRIVEBY_MAX_KILLS) {
  			format(string,sizeof(string),"*** %s has been kicked (Excessive drivebying)",GetName(killerid));
			SendClientMessageToAll(0xC8BEBEAA,string);
			Kick(killerid);
		}
		else if(gDrivebyCount[killerid][0] == DRIVEBY_MAX_KILLS-1) {
		    SendClientMessage(killerid,0xC8BEBEAA,"*** Stop drivebying - Next one is a kick");
		}
	}
	return 1;
}

stock SpawnkillProtection(killerid, playerid)
{
	new string[64];
	if(gSpawnkillCount[killerid][playerid][0] == 0) {
		gSpawnkillCount[killerid][playerid][0] = 1;
	    gSpawnkillCount[killerid][playerid][1] = TimeStamp();
	}
	else {
	    gSpawnkillCount[killerid][playerid][0]++;
		if(TimeStamp() - gSpawnkillCount[killerid][playerid][1] > SPAWNKILL_TIMELIMIT) {
  			gSpawnkillCount[killerid][playerid][0] = 1;
  			gSpawnkillCount[killerid][playerid][1] = TimeStamp();
		}
		else if(gSpawnkillCount[killerid][playerid][0] == SPAWNKILL_MAX_KILLS) {
  			format(string,sizeof(string),"*** %s has been kicked (Spawnkilling)",GetName(killerid));
			SendClientMessageToAll(0xC8BEBEAA,string);
			Kick(killerid);
		}
		else if(gSpawnkillCount[killerid][playerid][0] == SPAWNKILL_MAX_KILLS-1) {
		    SendClientMessage(killerid,0xC8BEBEAA,"*** Stop spawnkilling - Next one is a kick");
		}
	}
	return 1;
}

stock SpamProtection(playerid)
{
	new string[64];
	if(gSpamCount[playerid][0] == 0) {
		gSpamCount[playerid][0] = 1;
	    gSpamCount[playerid][1] = TimeStamp();
	}
	else {
	    gSpamCount[playerid][0]++;
		if(TimeStamp() - gSpamCount[playerid][1] > SPAM_TIMELIMIT) {
  			gSpamCount[playerid][0] = 1;
  			gSpamCount[playerid][1] = TimeStamp();
		}
		else if(gSpamCount[playerid][0] == SPAM_MAX_MSGS) {
  			format(string,sizeof(string),"*** %s has been kicked (Flood/Spam Protection)",GetName(playerid));
			SendClientMessageToAll(0xC8BEBEAA,string);
			Kick(playerid);
		}
		// Best not to help them figure out the time limits
		/*else if(gSpamCount[playerid][0] == SPAM_MAX_MSGS-1) {
		    SendClientMessage(playerid,0xC8BEBEAA,"*** Stop Spamming!  Next one is a kick");
		}*/
	}
	return 1;
}

stock Float:GetDistanceBetweenPlayers(p1,p2)
{
	new Float:x1,Float:y1,Float:z1,Float:x2,Float:y2,Float:z2;

	if (!IsPlayerConnected(p1) || !IsPlayerConnected(p2)){
		return -1.00;
	}
	GetPlayerPos(p1,x1,y1,z1);
	GetPlayerPos(p2,x2,y2,z2);
	return floatsqroot(floatpower(floatabs(floatsub(x2,x1)),2)+floatpower(floatabs(floatsub(y2,y1)),2)+floatpower(floatabs(floatsub(z2,z1)),2));
}

stock GetName(playerid)
{
	new name[MAX_PLAYER_NAME];
	GetPlayerName(playerid,name,sizeof(name));

	return name;
}

stock TimeStamp()
{
	new time = GetTickCount() / 1000;
	return time;
}