gistfile1.pwn

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
new cp[2];
new Float:checkpoint[1][4]= //start checkpoint for the positions
{
	{1004.9775,2141.5452,10.3123,183.2651} //first in meat factory
};
new indexRace; //to increase the startPosition
CMD:testrace(playerid, params[])
{
	SendClientMessage(playerid, green, "Test for Meat Factory race, CAR: Sultan");
	cp[0] = CreateDynamicRaceCP(0,1004.9775,2141.5452,10.3123,1005.6807,2093.2520,10.3124 ,5, -1, -1, -1, 600.0);
	cp[1] = CreateDynamicRaceCP(0,1005.6807,2093.2520,10.3124,1018.2676,2051.8679,10.3229 ,5, -1, -1, -1, 600.0);
	GetXYForRacer(checkpoint[0][0], checkpoint[0][1], checkpoint[0][3], indexRace+1);
	SetPlayerPos(playerid, checkpoint[0][0], checkpoint[0][1], checkpoint[0][2]+1);
	SetPlayerFacingAngle(playerid, checkpoint[0][3]);
	if(indexRace == 20)
		indexRace = -1;
	indexRace ++;
	return 1;
}

//startPosition:
//1 2 3
//4 5 6
//7 8 9
//...

stock GetXYForRacer(&Float:x, &Float:y, Float:a, startPosition) 
{
	//x and y should contain the start checkpoint location, a should be the angle of the cars
	new raceSpawnOffsets[2];
	if(((startPosition+1) % 3) == 0) 
	{ //Middle
		GetXYAtAngleFromPos(raceSpawnOffsets[0], raceSpawnOffsets[1], a-180.00, 5.0);
		x += raceSpawnOffsets[0] * (((startPosition-1)/3)+1);
		y += raceSpawnOffsets[1] * (((startPosition-1)/3)+1);
	}
	else 
	{ //Sides
		GetXYAtAngleFromPos(raceSpawnOffsets[0], raceSpawnOffsets[1], originalAngle+90.00, 3.0);
		if((startPosition % 3) == 0) 
		{ //Right side
			x += raceSpawnOffsets[0];
			y += raceSpawnOffsets[1];
		}
		else 
		{ //Left Side
			x -= raceSpawnOffsets[0];
			y -= raceSpawnOffsets[1];
		}
	}
}
stock GetXYAtAngleFromPos(&Float:x, &Float:y, Float:a, Float:distance) 
{
	x += (distance * floatsin(-a, degrees));
	y += (distance * floatcos(-a, degrees));
}
	
public OnPlayerEnterDynamicRaceCP(playerid, checkpointid)
{
	SendClientMessage(playerid,-1, "Remember the heading and the surroundings when placing the first time!");
	return 1;
}