Ingame anti aircraft launcher maker by Kurence

#include <a_samp>
#define COLOR 0x00FF00FF
#define RED 0xFF0000FF
#define DISTANCESHOT 300
#define EXPORADIUS 7
#define MOVESPEED 70
#define TIMERTIME 300
stock SetObjectFaceToPlayer(objectid,playerid)
{
new Float:X[2], Float:Y[2], Float:Z;
new Float:Angle;

GetObjectPos(objectid, X[0], Y[0], Z);
GetPlayerPos(playerid, X[1], Y[1], Z);

if(X[0] > X[1] && Y[0] > Y[1]) Angle = floatabs(atan2(floatsub(X[1], X[0]), floatsub(Y[1], Y[0])));
if(X[0] > X[1] && Y[0] <= Y[1]) Angle = floatabs(atan2(floatsub(Y[0], Y[1]), floatsub(X[1], X[0]))) + 270.0;
if(X[0] <= X[1] && Y[0] > Y[1]) Angle = floatabs(atan2(floatsub(Y[1], Y[0]), floatsub(X[0], X[1]))) + 90.0;
if(X[0] <= X[1] && Y[0] <= Y[1]) Angle = floatabs(atan2(floatsub(X[0], X[1]), floatsub(Y[0], Y[1]))) + 180.0;
SetObjectRot(objectid,0,0,Angle);
return 1;
}
stock Float:GetXYInFrontOfPlayer(playerid, &Float:x, &Float:y, Float:distance)
{
    new Float:a;
    GetPlayerPos(playerid, x, y, a);
    if (IsPlayerInAnyVehicle(playerid))
        GetVehicleZAngle(GetPlayerVehicleID(playerid), a);
    else
        GetPlayerFacingAngle(playerid, a);
    x += (distance * floatsin(-a, degrees));
    y += (distance * floatcos(-a, degrees));
    return a;
}
new flare[MAX_PLAYERS];
new launcher[MAX_OBJECTS];
new placed[MAX_OBJECTS];
new placinglnchr[MAX_PLAYERS];
new timer[MAX_PLAYERS];
forward launch(playerid);
forward flarekill(flare2,playerid);
public OnPlayerConnect(playerid){
placinglnchr[playerid] = -1;
timer[playerid] = SetTimerEx("launch",TIMERTIME,1,"i",playerid);
return 1;
}
public OnPlayerDisconnect(playerid){
KillTimer(timer[playerid]);
return 1;
}
public OnPlayerDeath(playerid){
DestroyObject(flare[playerid]);
return 1;
}
public OnFilterScriptInit(){
print("In-game launcher creator by Kurence loaded");
for(new i;i<MAX_OBJECTS;i++) launcher[i] = -1;
}
public OnPlayerCommandText(playerid,cmdtext[]){
if(strcmp("/addlauncher",cmdtext,true) == 0){
if(placinglnchr[playerid] != -1){
new string[100];
format(string,sizeof(string),"Launcher created, his ID: %d",placinglnchr[playerid]);
SendClientMessage(playerid,COLOR,string);
DestroyObject(launcher[placinglnchr[playerid]]);
new Float:X,Float:Y,Float:Z,Float:angle;
GetPlayerPos(playerid,X,Y,Z);
GetXYInFrontOfPlayer(playerid,X,Y,10);
GetPlayerFacingAngle(playerid,angle);
launcher[placinglnchr[playerid]] = CreateObject(3267,X,Y,Z,0,0,angle);
placed[placinglnchr[playerid]] = 1;
placinglnchr[playerid] = -1;
return 1;
}
new Float:X,Float:Y,Float:Z;
GetPlayerPos(playerid,X,Y,Z);
GetXYInFrontOfPlayer(playerid,X,Y,10);
for(new i;i<MAX_OBJECTS;i++){
if(launcher[i] == -1){
launcher[i] = CreateObject(3267,X,Y,Z,0,0,0);
AttachObjectToPlayer(launcher[i],playerid,0,10,0,0,0,0);
SendClientMessage(playerid,COLOR,"Place the launcher where you want it and use ''/addlauncher'' again");
placinglnchr[playerid] = i;
break;
}
}
return 1;
}
if(strcmp("/dellauncher",cmdtext,true) == 0){
if(placinglnchr[playerid] != -1) return SendClientMessage(playerid,RED,"Place that launcher first");
for(new i;i<MAX_OBJECTS;i++){
if(launcher[i] != -1){
new Float:X,Float:Y,Float:Z;
GetObjectPos(launcher[i],X,Y,Z);
if(IsPlayerInRangeOfPoint(playerid,10,X,Y,Z)){
DestroyObject(launcher[i]);
launcher[i] = -1;
}
}
}
return 1;
}
return 0;
}
public launch(playerid){
new Float:X,Float:Y,Float:Z;
new Model = GetVehicleModel(GetPlayerVehicleID(playerid));
if (Model == 548 || Model == 417 || Model == 557 || Model == 476 || Model == 520 || Model == 563 || Model == 553 || Model == 519 || Model == 592 || Model == 577 || Model == 497 || Model == 464 || Model == 465 || Model == 511 || Model == 512 || Model == 593 || Model == 460 ||  Model == 513 || Model == 425 || Model == 487 || Model == 488 || Model == 447 || Model == 469 || Model == 501){
if(IsValidObject(flare[playerid])){
GetObjectPos(flare[playerid],X,Y,Z);
if(IsPlayerInRangeOfPoint(playerid,EXPORADIUS,X,Y,Z)){
CreateExplosion(X,Y,Z,7,25);
DestroyObject(flare[playerid]);
}
else{
GetPlayerPos(playerid,X,Y,Z);
MoveObject(flare[playerid],X,Y,Z,MOVESPEED);
}
return 1;
}
for(new i;i<MAX_OBJECTS;i++){
if(placed[i] != 1) return 0;
new Float:pX,Float:pY,Float:pZ;
if(launcher[i] != -1){
SetObjectFaceToPlayer(launcher[i],playerid);
GetObjectPos(launcher[i],X,Y,Z);
GetPlayerPos(playerid,pX,pY,pZ);
if(IsPlayerInRangeOfPoint(playerid,DISTANCESHOT,X,Y,Z)){
flare[playerid] = CreateObject(354,X,Y,Z,0,0,0);
MoveObject(flare[playerid],pX,pY,pZ,MOVESPEED);
SetTimerEx("flarekill",30000,0,"ii",flare[playerid],playerid);
return 1;
}
}
}
}
else{
CreateExplosion(X,Y,Z,7,25);
DestroyObject(flare[playerid]);
}
return 1;
}
public flarekill(flare2,playerid){
new Float:X,Float:Y,Float:Z;
GetObjectPos(flare2,X,Y,Z);
CreateExplosion(X,Y,Z,7,25);
DestroyObject(flare2);
}
public OnPlayerKeyStateChange(playerid) launch(playerid);