-- SRB2 Lua Script: Sonic Wind Tornado Ability
addHook("PlayerThink", function(player)
    -- Only for Sonic skins
    if not (player.mo and player.mo.valid and player.mo.skin == "sonic") then
        return
    end

    -- Trigger "Sonic Wind" Tornado with Custom Button 2
    if (player.cmd.buttons & BT_CUSTOM2) and not (player.prevbuttons & BT_CUSTOM2) then
        S_StartSound(player.mo, sfx_s3k4b) -- Cyclone sound effect
        
        local layers = 3      -- Vertical layers of the tornado
        local per_layer = 8   -- Particles per circle layer
        
        -- Create a funnel shape (narrow at bottom, wide at top)
        for h = 1, layers do
            local radius = (48 + (h * 32)) * FRACUNIT -- Radius grows with height
            local z_pos = (h * 32) * FRACUNIT        -- Height of this layer
            
            for i = 1, per_layer do
                local ang = i * (ANGLE_MAX / per_layer) + (h * ANGLE_45) -- Offset rotation per layer
                local x_off = FixedMul(radius, cos(ang))
                local y_off = FixedMul(radius, sin(ang))
                
                -- Spawn the "Wind" gusts
                local wind = P_SpawnMobjFromMobj(player.mo, x_off, y_off, z_pos, MT_THOK)
                if wind and wind.valid then
                    wind.color = SKINCOLOR_SKY -- Tornado color
                    wind.flags = $|MF_NOGRAVITY|MF_NOCLIP|MF_SCENERY
                    wind.fuse = 12 -- Lifespan of each gust
                    wind.scale = (2 + h) * FRACUNIT -- Gets larger as it goes up
                    
                    -- Optional: Give them a slight spin velocity
                    wind.momz = 4*FRACUNIT
                end
            end
        end

        -- Damage: Hits enemies in a funnel-sized radius (approx 350 units)
        P_RadiusAttack(player.mo, player.mo, 350*FRACUNIT)
    end
    
    player.prevbuttons = player.cmd.buttons
end)