Matraka's Checkpoint Streamer

///////////////////////////////////////////////////////////////////////////////////////////////////////        Matraka's Checkpoint Streamer       //////                                            ////// Author: [MPA]matraka_IDG                   ////// Contact: msn_matraka@gtabrasil.net         //////                                            //////   ---===Infernus Development Group===---   ///////////////////////////////////////////////////////////////////////////////////////////////////////#include <a_samp>/*Nativesnative CPS_AddCheckpoint(Float:X,Float:Y,Float:Z,Float:size,Float:spawn_dist);native CPS_IsPlayerInCheckpoint(playerid,cpid);native CPS_IsPlayerInAnyCheckpoint(playerid,cpid);native CPS_RemoveCheckpoint(cpid);native CPS_GetPlayerCheckpoint(playerid);*/#define MAX_CHECKPOINTS 500forward CPSERVICE_Handler();enum cpinfo{	Float:cpX,	Float:cpY,	Float:cpZ,	Float:cpsz,	cpsd,};new CPSERVICE_active;new Checkpoints[MAX_CHECKPOINTS][cpinfo];new UsedCPSlot[MAX_CHECKPOINTS];new CPSERVICE_actualcp[MAX_PLAYERS];stock CPS_AddCheckpoint(Float:X,Float:Y,Float:Z,Float:size,spawn_dist){	new cpid=1;	while(UsedCPSlot[cpid] == 1) cpid++;	if(CPSERVICE_active == 0){	    SetTimer("CPSERVICE_Handler",500,true);	    CPSERVICE_active=1;	}	UsedCPSlot[cpid]=1;	Checkpoints[cpid][cpX]=X;	Checkpoints[cpid][cpY]=Y;	Checkpoints[cpid][cpZ]=Z;	Checkpoints[cpid][cpsz]=size;	Checkpoints[cpid][cpsd]=spawn_dist;	return cpid;}stock CPS_IsPlayerInCheckpoint(playerid,cpid){	if(CPSERVICE_actualcp[playerid] == cpid && !IsPlayerInCheckpoint(playerid)) return 1;	else return 0;}stock CPS_IsPlayerInAnyCheckpoint(playerid){	if(CPSERVICE_actualcp[playerid] == 0 && !IsPlayerInCheckpoint(playerid)) return 0;	else return 1;}stock CPS_GetPlayerCheckpoint(playerid) return CPSERVICE_actualcp[playerid];stock CPS_RemoveCheckpoint(cpid){	if(cpid == 0 || UsedCPSlot[cpid] == 0) return 0;	UsedCPSlot[cpid]=0;	return 1;}public CPSERVICE_Handler(){	for(new i; i<MAX_PLAYERS; i++){		new Float:prevdist = 100000.000;		new prevcp;		for(new cpid=1; cpid < MAX_CHECKPOINTS; cpid++){			if(UsedCPSlot[cpid]) {			    new Float:dist;			    dist = CPSERVICE_getdist(i,Checkpoints[cpid][cpX],Checkpoints[cpid][cpY],Checkpoints[cpid][cpZ]);				if(dist < prevdist){		    		prevdist = dist;			 		prevcp = cpid;				}			}		}		new cpid=prevcp;		if(CPSERVICE_getdist(i,Checkpoints[cpid][cpX],Checkpoints[cpid][cpY],Checkpoints[cpid][cpZ]) < Checkpoints[cpid][cpsd]) {		    if(CPSERVICE_actualcp[i] != cpid){			    SetPlayerCheckpoint(i,Checkpoints[cpid][cpX],Checkpoints[cpid][cpY],Checkpoints[cpid][cpZ],Checkpoints[cpid][cpsz]);			    CPSERVICE_actualcp[i] = cpid;			}		} else {		    if(CPSERVICE_actualcp[i] != 0){			    CPSERVICE_actualcp[i] = 0;			    DisablePlayerCheckpoint(i);			}		}	}	return 1;}stock CPSERVICE_getdist(playerid,Float:x2,Float:y2,Float:z2){	new Float:x1,Float:y1,Float:z1;	new Float:tmpdis;	GetPlayerPos(playerid,x1,y1,z1);	tmpdis = floatsqroot(floatpower(floatabs(floatsub(x2,x1)),2)+floatpower(floatabs(floatsub(y2,y1)),2)+floatpower(floatabs(floatsub(z2,z1)),2));	return floatround(tmpdis);}