Build battle v2

admin = "Abdeltif"
default = {width = 50, height = 50}
prot = {}
prot[0] = {
    type = 0,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 0.3,
    restitution = 0.2,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[1] = {
    type = 1,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 0,
    restitution = 0.2,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[2] = {
    type = 2,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 0,
    restitution = 1.2,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[3] = {
    type = 3,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 0,
    restitution = 20,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[4] = {
    type = 4,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 20,
    restitution = 0.2,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[5] = {
    type = 5,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 0.3,
    restitution = 0.2,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[6] = {
    type = 6,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 0.3,
    restitution = 0.2,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[7] = {
    type = 7,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 0.1,
    restitution = 0.2,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[8] = {
    type = 8,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 0.3,
    restitution = 0.2,
    angle = 0,
    miceCollision = false,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[9] = {
    type = 9,
    width = default.width,
    height = default.height,
    foreground = false,
}
prot[10] = {
    type = 10,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 0.3,
    restitution = 0,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[11] = {
    type = 11,
    width = default.width,
    height = default.height,
    foreground = false,
    friction = 0.05,
    restitution = 0.1,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[12] = {
    type = 12,
    width = default.width,
    height = default.height,
    color = 0x5F58F2,
    foreground = false,
    friction = 0.3,
    restitution = 0.2,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
prot[13] = {
    type = 13,
    width = default.width,
    color = 0x0FF0F0,
    foreground = false,
    friction = 0.3,
    restitution = 0.2,
    angle = 0,
    miceCollision = true,
    groundCollision = true,
    dynamic = false,
    fixedRotation = false,
    mass = 0,
    linearDamping = 0,
    angularDamping = 0,
}
id = 0
gnum = 1
players = {}
sparkles = {}
roles = {
    "many",
    "whole"
}
grounds = {
    wood = 0,
    ice = 1,
    trampoline = 2,
    lava = 3,
    chocolate = 4,
    earth = 5,
    grass = 6,
    sand = 7,
    cloud = 8,
    water = 9,
    stone = 10,
    snow = 11,
    rectangle = 12,
    circle = 13,
}
function eventNewPlayer(name)
    system.bindMouse(name, true)
    system.bindKeyboard(name, 17 , false, true)
    players[name] = {mode = "whole", ids = {}, gtype = 1, color = 0xF45F63, hold = false, height = 10}
end
function eventKeyboard(name, key, down, x, y)
    if key == 17 and down then
        players[name].hold = true
        system.bindKeyboard(name, 17, false, true)
    elseif key==17 and not down then
        players[name].hold = false
        system.bindKeyboard(name, 17, true, true)
    end
end
function eventPlayerLeft(name)
    for k,v in pairs(players[name].ids) do
        tfm.exec.removePhysicObject(v)
        gnum = gnum - 1
    end
    players[name] = nil
end
function getPlayerNumber()
    local n = 0
    for k,v in pairs(players) do
        n = n + 1
    end
    return n
end

function eventMouse(name, x, y)
    if players[name].hold and players[name].started_drawing then
        players[name].firstPoint = players[name].lastPoint
        players[name].lastPoint = {x=x, y=y}
        role_f[players[name].mode](name, players[name].firstPoint.x,players[name].firstPoint.y,players[name].lastPoint.x,players[name].lastPoint.y)
        players[name].firstPoint = nil
    elseif players[name].firstPoint then
        players[name].lastPoint = {x=x, y=y}
        role_f[players[name].mode](name, players[name].firstPoint.x,players[name].firstPoint.y,players[name].lastPoint.x,players[name].lastPoint.y)
        players[name].firstPoint = nil
        players[name].started_drawing = true
    else
        players[name].firstPoint = {x=x, y=y}
    end
end

function ground_draw(name, x, y, x2, y2)
    if players[name].laser then
        for i=players[name].laser.start, players[name].laser.stop do
            gnum = gnum - 1
            tfm.exec.removePhysicObject(i)
        end
    end
    local num = math.ceil(430/(getPlayerNumber()*2.5))
    local xlenght = x2-x
    local ylenght = y2-y
    local lenght = math.sqrt((xlenght^2)+(ylenght^2))
    local angle = math.deg(math.atan(ylenght/xlenght))
    local ground = prot[players[name].gtype] or {}
    ground.width = 10
    ground.height = players[name].height
    ground.angle = angle
    ground.color = players[name].color
    players[name].laser = {start = id}
    for i=0,num do
        local lx = xlenght/num * i + x
        local ly = ylenght/num * i + y
        local lx = math.abs(lx)
        local ly = math.abs(ly)
        if gnum < 430 then
            players[name].ids[#players[name].ids+1] = id
            tfm.exec.addPhysicObject(id, lx, ly, ground)
            id = id + 1
            gnum = gnum + 1
        else
            break
        end
    end
    players[name].laser.stop = id
end
function whole_ground_draw(name, x, y, x2, y2)
    local num = 30
    local xlenght = x2-x
    local ylenght = y2-y
    local lenght = math.sqrt((xlenght^2)+(ylenght^2))
    local angle = math.deg(math.atan(ylenght/xlenght))
    local joint = {
    type=0,
    point1=x..","..y,
    point2=x2..","..y2,
    frequency=10,
    damping=0.2,
    line=5,
    color= 0xFF2222,
    alpha=1,
    foreground=true
}
    local lx = x+xlenght/2
    local ly = y+ylenght/2
    local width  = lenght
    local ground = prot[players[name].gtype] or {}
    ground.angle = angle
    ground.width = width
    ground.height = players[name].height
    ground.color = players[name].color
    if gnum < 430 then
        players[name].ids[#players[name].ids+1] = id
        tfm.exec.addPhysicObject(id , lx, ly, ground)
        id = id + 1
        gnum = gnum + 1
    end
end
function eventChatCommand(name, cmd)
    local args = {}
    for arg in string.gmatch(cmd, "[%S]+") do
        args[#args+1] = arg
    end
    if args[1] == "undo" then
        if type(tonumber(args[2]))=="number" then
            local num = (#players[name].ids - tonumber(args[2])+1)>=1 and (#players[name].ids-tonumber(args[2])+1) or 1
            for i=#players[name].ids,num, -1 do
                tfm.exec.removePhysicObject(players[name].ids[i])
                players[name].ids[i] = nil
                gnum = gnum - 1
            end
        elseif args[2] == "all" then
            for i=1,#players[name].ids do
                tfm.exec.removePhysicObject(players[name].ids[i])
                players[name].ids[i] = nil
                gnum = gnum - 1
            end
        else
            tfm.exec.removePhysicObject(players[name].ids[#players[name].ids])
            players[name].ids[#players[name].ids] = nil
            gnum = gnum - 1
        end
    elseif args[1] == "clear" and name == admin then
        for i=1,id do
            tfm.exec.removePhysicObject(i)
            gnum = gnum - 1
        end
        for k,v in pairs(players) do
            players[k].ids = {}
        end
    elseif args[1] == "set" then
        if args[2] == "mode" then
            if role_f[args[3]] then
                players[name].mode = args[3]
            end
        elseif args[2] == "ground" then
            if tonumber(args[3]) then
                players[name].gtype = args[3]
            elseif grounds[args[3]] then
                players[name].gtype = grounds[args[3]]
            end
        elseif args[2] == "color" then
            ui.showColorPicker(1, name, players[name].color, "Choose!")
        elseif args[2] == "height" then
            if tonumber(args[3]) then
                players[name].height = tonumber(args[3])
            end
        end
    end
end
function eventColorPicked(id ,name, color)
    if id == 1 then
        players[name].color = color
    end
end
function init()
    role_f = {
        many = ground_draw,
        whole = whole_ground_draw,
    }
end
init()
for k,v in pairs({"set", "undo", "clear"}) do system.disableChatCommandDisplay(v, true) end
for k,v in pairs(tfm.get.room.playerList) do eventNewPlayer(k) end