Simple SA-MP gamemode based on Gun Game

/*
    Simple SA-MP gamemode based on Gun Game
    Deathmatch Gamemode located in Caligula's Palace
    Published under GNU GPL Public License.
    Copyright (C) 2019  Fabian Druschke, Gareth Mössinger
    Contact: webmaster@knogleinsi.de
    Mail: Postfach 32 22 50147 Kerpen Germany

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    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/

*/


#include <a_samp>


forward PlayerHasWon(playerid);

new gamemodeDescriptor[512];


//Gungame
new gunGame_Weapon_Array[] = {
    WEAPON_COLT45,
    WEAPON_SILENCED,
    WEAPON_DEAGLE,
    WEAPON_SHOTGUN,
    WEAPON_SAWEDOFF,
    WEAPON_SHOTGSPA,
    WEAPON_UZI,
    WEAPON_MP5,
    WEAPON_AK47,
    WEAPON_M4,
    WEAPON_TEC9,
    WEAPON_RIFLE,
    WEAPON_SNIPER,
    WEAPON_KATANA
    };

new const LEVELS_COUNT = sizeof(gunGame_Weapon_Array);
new score[MAX_PLAYERS];

new const Float:gunGameSpawns_Caligulas[][]={
    {2151.6001, 1601.7, 1002.0, 0.003}, // ped (4)
    {2173.8, 1578.5, 1000.0, 174.003}, // ped (5)
    {2171.7, 1607.3, 1000.0, 0.003}, // ped (6)
    {2194.8, 1626.1, 1000.0, 0.003}, // ped (7)
    {2207.0, 1608.8, 1000.0, 0.003}, // ped (9)
    {2218.2, 1613.3, 1000.0, 356.003}, // ped (10)
    {2194.6006, 1591.9004, 1000.0, 0.003}, // ped (11)
    {2230.0, 1574.7998, 1000.0, 0.003}, // ped (12)
    {2218.1006, 1553.0, 1004.7, 0.003} // ped (13)
};



main()
{
    print("\n----------------------------------");
    print(gamemodeDescriptor);
    print("----------------------------------\n");
    print(" Simple SA-MP gamemode based on Gun Game");
    print(" Deathmatch Gamemode located in Caligula's Palace");
    print(" Published under GNU GPL Public License.");
    print(" Copyright (C) 2019  Fabian Druschke, Gareth Mössinger");
    print(" Contact: webmaster@knogleinsi.de");
    print(" Mail: Postfach 32 22 50147 Kerpen Germany");
    print("\nThis program is free software: you can redistribute it and/or modify");
    print("it under the terms of the GNU General Public License as published by");
    print("the Free Software Foundation, either version 3 of the License, or");
    print("(at your option) any later version.");
    print("\n This program is distributed in the hope that it will be useful,");
    print("but WITHOUT ANY WARRANTY; without even the implied warranty of");
    print("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the");
    print("GNU General Public License for more details.");
    print("\n You should have received a copy of the GNU General Public License");
    print("along with this program.  If not, see http://www.gnu.org/licenses/");
    printf("\n\nHeapspace: %i kilobytes", heapspace() / 1024);

}

public OnPlayerConnect(playerid)
{
    GameTextForPlayer(playerid,gamemodeDescriptor,5000,5);
    new name[MAX_PLAYER_NAME + 1];
    GetPlayerName(playerid, name, sizeof(name));
    new string[MAX_PLAYER_NAME + 23 + 1];
    format(string, sizeof(string), "%s (%d) has joined the server.", name,playerid);
    SendClientMessageToAll(0xC4C4C4FF, string);
    RemoveBuildingForPlayer(playerid,3089,2168.6001,1619.42,1000.3,2.0); //Removing the disturbing door inside of Caligula's basement
    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    new pname[MAX_PLAYER_NAME +1], string[128 + MAX_PLAYER_NAME];
    GetPlayerName(playerid, pname, sizeof(pname));
    switch(reason)
    {
    case 0: format(string, sizeof(string), "%s (%d) has left the server. (Lost Connection)", pname,playerid);
    case 1: format(string, sizeof(string), "%s (%d) has left the server. (Leaving)", pname,playerid);
    case 2: format(string, sizeof(string), "%s (%d) has left the server. (Kicked)", pname,playerid);
    }
    SendClientMessageToAll(0xC4C4C4FF, string);
    score[playerid]=0;//Resetting player vars
}
stock GivePlayerMoneyText(playerid,value)
{
    new moneyplayerid[32];
    if(value < 0)
    format(moneyplayerid,sizeof(moneyplayerid), "~r~ %d~y~$",value);
    if(value >= 0)
    format(moneyplayerid,sizeof(moneyplayerid), "~g~ %d~y~$",value);
    GameTextForPlayer(playerid,moneyplayerid,1000,1);
    GivePlayerMoney(playerid,value);
}
public OnPlayerSpawn(playerid)
{
    GivePlayerMoneyText(playerid,1000);
    SetPlayerInterior(playerid,1);//Caligula's interior
    TogglePlayerClock(playerid,0);

    new randSpawn = random(sizeof(gunGameSpawns_Caligulas));
    SetPlayerPos(playerid,gunGameSpawns_Caligulas[randSpawn][0],gunGameSpawns_Caligulas[randSpawn][1],gunGameSpawns_Caligulas[randSpawn][2]);
    SetPlayerFacingAngle(playerid,gunGameSpawns_Caligulas[randSpawn][3]);

    GivePlayerWeapon(playerid,gunGame_Weapon_Array[score[playerid]],99999);//Giving the current level weapon to the player

    return 1;
}
public OnPlayerTakeDamage(playerid, issuerid, Float:amount, weaponid, bodypart)
{
    if(issuerid != INVALID_PLAYER_ID && (weaponid == 34 || weaponid == 33) && bodypart == 9)//Headshot for rifle and sniper rifle
    {
        // One shot to the head to kill with sniper rifle
        SetPlayerHealth(playerid, 0.0);
    }
    if(issuerid != INVALID_PLAYER_ID && weaponid == 8)//Increase damage issued by katana
    {
        new Float:health;
        GetPlayerHealth(playerid,health);
        health=health-30.0;
        SetPlayerHealth(playerid, health);
    }
    return 1;
}
public OnPlayerGiveDamage(playerid, damagedid, Float: amount, weaponid)
{
    PlayerPlaySound(playerid, 17802, 0.0, 0.0, 0.0); // Ding Sound
    return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
    SendDeathMessage(killerid, playerid, reason); // Shows the kill in the killfeed
    GivePlayerMoneyText(playerid,-1000);
    if(killerid != INVALID_PLAYER_ID)//We have to check if the player has been killed by another player.
    {
        score[killerid]+=1;
        if(score[killerid] < LEVELS_COUNT)// Check if someone has reached the penultimate level
        {
            SetPlayerAmmo(killerid, gunGame_Weapon_Array[(score[killerid])-1],0);// Remove the weapon from last level.
            GivePlayerWeapon(killerid,gunGame_Weapon_Array[score[killerid]],99999);
            SendClientMessage(killerid,0xFFFFFF,"Weapon upgraded!");

        }
        else
        {
            PlayerHasWon(killerid);
        }
    }
    else//If the player has committed suicide (even though it might not be possible using the current weapon set)
    {
        if(score[playerid] > 0)//The player level may not go below 0 to avoid bugs
        {
            score[playerid]-=1;//Player level will be degraded
        }

    }
    SetPlayerScore(playerid, score[playerid]);
    SetPlayerScore(killerid, score[killerid]);
}

SetupPlayerForClassSelection(playerid)
{
    SetPlayerInterior(playerid,14);
    SetPlayerPos(playerid,258.4893,-41.4008,1002.0234);
    SetPlayerFacingAngle(playerid, 270.0);
    SetPlayerCameraPos(playerid,256.0815,-43.0475,1004.0234);
    SetPlayerCameraLookAt(playerid,258.4893,-41.4008,1002.0234);
}

public OnPlayerRequestClass(playerid, classid)
{
    SetupPlayerForClassSelection(playerid);
    return 1;
}

public OnGameModeInit()
{
    format(gamemodeDescriptor,sizeof(gamemodeDescriptor),"Gun Game");
    SetGameModeText(gamemodeDescriptor);
    //Misc conditions to deal with this mode
    ShowPlayerMarkers(false);
    ShowNameTags(true);
    DisableInteriorEnterExits();


    for(new i;i<311;i++)//All available skins for class selection
    {
        AddPlayerClass(i,1958.3783,1343.1572,15.3746,270.1425,0,0,0,0,-1,-1);

    }
    CreateObject(3089, 2150.0, 1602.1, 1002.2, 0.0, 0.0, 90.0, 100); // Door to prevent someone of leaving the area
    return 1;
}

public PlayerHasWon(playerid)
{
    new name[MAX_PLAYER_NAME + 1];
    GetPlayerName(playerid, name, sizeof(name));
    new string[MAX_PLAYER_NAME + 23 + 1];
    format(string, sizeof(string), "%s reached the last level and has won the game!", name);
    SendClientMessageToAll(0xFFFFFF, string);
    SendRconCommand("gmx");//Restart the server after someone has won the game
}