OnGrenadeSwap function

-- OnGrenadeSwap function created by [DWM]Wizard

function GetRequiredVersion()
    return 10058
end

-- called when the script is loaded
function OnScriptLoad(process)
end

-- called when the script is unloaded
-- Do not return a value
function OnScriptUnload()
end

-- called when a game is starting (before any players join)
-- Do not return a value.
function OnNewGame(map)
end

-- called when a game is ending
-- Do not return a value.
function OnGameEnd(mode)
    -- mode 1 = score menu (F1) is being displayed to clients, they are still ingame
    -- mode 2 = post game menu appeared
    -- mode 3 = players can quit via the post game score card
end

-- Called when there is chat within the server
-- It must return a value which indicates whether or not the chat is sent.
function OnServerChat(player, chattype, message)
    return 1
end

-- Called when a server command is being executed
-- It must return a value which indicates whether or not the command should be processed
-- Note: It is only called when an authenticated (and allowed) player attempts to use the command.
--       player is -1 when being executed via the server console.
function OnServerCommand(player, command)
    return 1
end

-- Called when a player's team is being chosen as the join the server.
-- It must return a value which indicates the team the player is to be put on.
-- Note: this function being called doesn't guarantee that the player will be able to successfully join.
function OnTeamDecision(cur_team)
    return cur_team
end

-- Called when a player joins the server.
-- Do not return a value.
function OnPlayerJoin(player, team)
end

-- Called when a player the server.
-- Do not return a value.
function OnPlayerLeave(player, team)
end

-- called when a player kills another, 'killer' is the index of the killing player, 'victim' is the index of the dead player
-- Do not return a value.
function OnPlayerKill(killer, victim, mode)
end

-- called when a player gets a double kill, killing spree etc
-- see Phasor documentation for multiplier values
function OnKillMultiplier(player, multiplier)
end

-- Called when a player s (after object is created, before players are notified)
-- Do not return a value
function OnPlayerSpawn(player, m_objectId)
end

-- Called after clients have been notified of a player spawn
-- Do not return a value
function OnPlayerSpawnEnd(player, m_objectId)

end

-- Called when a player is attempting to .
-- A value must be returned. The return value indicates whether or not the player is allowed the change team.
-- Notes: If relevant is 1 the return value is considered, if it's 0 then the return value is ignored.
function OnTeamChange(relevant, player, team, dest_team)
    return 1
end

-- This is called when a client sends the server an update packet.
-- This includes things such as movement vectors, camera positions, button presses etc.
-- This function is called frequently so care should be taken to keep processing
-- to a minimum.
-- Do not return a value
function OnClientUpdate(player, m_objectId)

    local id = resolveplayer(player)
    local m_object = getobject(m_objectId)
    local m_playerObjId = getplayerobjectid(player)

    local cur_nadetype = readbyte(m_object, 0x31C) -- Current nadetype
    local next_nadetype = readbyte(m_object, 0x47E) -- Nadetype they're trying to switch to
    if cur_nadetype ~= next_nadetype and cur_nadetype ~= 255 and next_nadetype ~= 255 then
        OnGrenadeSwap(player, cur_nadetype, next_nadetype)
    end

end

-- Called when a player interacts with an object
-- It can be called while attempting to pick the object up
-- It is also called when standing above an object so can be called various times quickly
function OnObjectInteraction(player, m_ObjectId, tagType, tagName)
    return 1
end

-- Called when a player attempts to reload their weapon.
-- A value must be returned. The return value indicates whether or not the player is allowed to reload.
-- Notes: If player is -1 then the weapon being reload wasn't located (it could be a vehicle's weapon)
function OnWeaponReload(player, weapon)
    return 1
end

-- Called when a player attempts to enter a vehicle.
--The return value indicates whether or not the player is allowed to enter.
function OnVehicleEntry(relevant, player, vehicleId, vehicle_tag, seat)
    return 1
end

-- Called when a player is being ejected from their vehicle
-- Return 1 or 0 to allow/block it.
function OnVehicleEject(player, forceEject)
    return 1
end


-- Called when damage is being done to an object.
-- This doesn't always need to be a player.
-- Do not return a value
function OnDamageLookup(receiving_obj, causing_obj, tagdata, tagname)
end

-- Called when a player is being assigned a weapon (usually when they spawn)
-- A value must be returned. The return value is the id of the weapon they're to spawn with. Return zero if the weapon shouldn't change.
-- Notes:   This is called for all weapon spawns the player has
--          This is also called with player 255 when vehicles are being assigned weapons.
--          This is only considered if in gametype, the weapon set is 'generic' if not this has no effect.
function OnWeaponAssignment(player, object, count, tag)
end

-- Called when an object is created
-- Do not return a value.
function OnObjectCreation(m_objectId, player_owner, tag)
end

-- Called when the player presses the G key
-- Cannot be blocked, couldn't figure out how
-- cur_nadetype is what they're switching from and next_nadetype is the grenade type they're switching to
-- Passes 0 for frags and 1 for plasmas, for the nadetypes
function OnGrenadeSwap(player, cur_nadetype, next_nadetype)

end