Double-O-Seven

#include <a_samp>

#define WEAPON_TYPE_NONE    (0)
#define WEAPON_TYPE_HEAVY   (1)
#define WEAPON_TYPE_LIGHT   (2)
#define WEAPON_TYPE_MELEE   (3)//Nahkampf

new OldWeapon[MAX_PLAYERS];
new HoldingWeapon[MAX_PLAYERS];

//------------------------------------------------------------------------------------------------------

public OnFilterScriptExit()
{
    for(new i=0;i<MAX_PLAYERS;i++)
        if(IsPlayerConnected(i))
            StopPlayerHoldingObject(i);
    return 1;
}

public OnPlayerConnect(playerid)
{
    OldWeapon[playerid]=0;
    HoldingWeapon[playerid]=0;
    return 1;
}

public OnPlayerStateChange(playerid, newstate, oldstate)
{
    if(oldstate==PLAYER_STATE_ONFOOT)
    {
        StopPlayerHoldingObject(playerid);
        OldWeapon[playerid]=0;
        HoldingWeapon[playerid]=0;
    }
    return 1;
}

public OnPlayerUpdate(playerid)
{
    if(GetPlayerState(playerid)==PLAYER_STATE_ONFOOT)
    {
        new weaponid=GetPlayerWeapon(playerid),oldweapontype=GetWeaponType(OldWeapon[playerid]);
        new weapontype=GetWeaponType(weaponid);
        if(HoldingWeapon[playerid]==weaponid)
            StopPlayerHoldingObject(playerid);

        if(OldWeapon[playerid]!=weaponid)
        {
            new modelid=GetWeaponModel(OldWeapon[playerid]);
            if(modelid!=0 && oldweapontype!=WEAPON_TYPE_NONE && oldweapontype!=weapontype)
            {
                HoldingWeapon[playerid]=OldWeapon[playerid];
                switch(oldweapontype)
                {
                    case WEAPON_TYPE_LIGHT:
                        SetPlayerHoldingObject(playerid, modelid, 8,0.0,-0.1,0.15, -100.0, 0.0, 0.0);

                    case WEAPON_TYPE_MELEE:
                        SetPlayerHoldingObject(playerid, modelid, 7,0.0,0.0,-0.18, 100.0, 45.0, 0.0);

                    case WEAPON_TYPE_HEAVY:
                        SetPlayerHoldingObject(playerid, modelid, 1, 0.2,-0.125,-0.1,0.0,25.0,180.0);
                }
            }
        }

        if(oldweapontype!=weapontype)
            OldWeapon[playerid]=weaponid;
    }
    return 1;
}

//------------------------------------------------------------------------------------------------------

GetWeaponType(weaponid)
{
    switch(weaponid)
    {
        case 22,23,24,26,28,32:
            return WEAPON_TYPE_LIGHT;

        case 3,4,16,17,18,39,10,11,12,13,14,40,41:
            return WEAPON_TYPE_MELEE;

        case 2,5,6,7,8,9,25,27,29,30,31,33,34,35,36,37,38:
            return WEAPON_TYPE_HEAVY;
    }
    return WEAPON_TYPE_NONE;
}

stock GetWeaponModel(weaponid)
{
    switch(weaponid)
    {
        case 1:
            return 331;

        case 2..8:
            return weaponid+331;

        case 9:
            return 341;

        case 10..15:
            return weaponid+311;

        case 16..18:
            return weaponid+326;

        case 22..29:
            return weaponid+324;

        case 30,31:
            return weaponid+325;

        case 32:
            return 372;

        case 33..45:
            return weaponid+324;

        case 46:
            return 371;
    }
    return 0;
}