OoT Button Dimming Logic

if (not_paused_or_in_game_over_screen // checks if menu short == 0 and debug menu activator short == 0
    && (playing_horse_back_archery // if minigame state == 1
            || scene_setup < 4 // this is why wrong warps give RI
            || in_ranch_scene_setup_4) // ranch horse race
    && (no_textbox_on_screen // this causes nothing to update b or c
            || in_bombchu_bowling_with_textbox_on_screen)
    && (not_dead) // (global_context.0x10A20 == 0)
    && (current_cutscene < 0xFFF0
            || in_ranch_watching_cutscene_0) // ranch horse race intro cutscene
{
    if (riding_epona // RC epona counts as riding epona
        || playing_shooting_gallery // this flag gets unset when outside shooting gallery (not just by stopping minigame)
        || playing_bombchu_bowling)
    {
        if (b != blank) {  // this was to prevent putting item on b repeatedly
        // this check causes any item on epona with blank b
            if (temp_b == 255) { // if b is dimmed but not blank when you start playing game or riding epona, all buttons should be undimmed
                temp_b = 0 // undim b
                undim all c buttons
            }
            if (b != sling/bow/chu/blank) // if dont have minigame item or blank on b. also b was already checked to not be blank
            {
                temp_b = b // place original b item on temp_b
                if (playing_bombchu_bowling)
                    b = bombchu // put bombchu on b
                else {
                    b = bow // put bow on b
                    if (playing_shooting_gallery)
                        if(are_child)
                            b = slingshot // put slingshot on b
                    else // if riding epona
                        if (bow slot == empty)
                            b = blank // put blank on b
                }
                dim all c buttons
            }
        }
    }
    else if (in_chamber_of_sages)
    {
        // this just hides the HUD
    }
    else if (in_fishing_pond)
    {
        if (playing_fishing_minigame) // used to put rod on b when playing
        // this flag gets unset when outside fishing pond (not jsut by leaving through door)
        {
            if (b != fishing rod) // only do this once, when start minigame
            {
                temp_b = b // place orignal b item on temp_b
                b = fishing rod // put rod on b
            }
        }
        else if (fishing rod on b)  // used to remove rod from b when stop
        // if enter pond with rod on b, push temp_b to b, and dim b+c
        {
            b = temp_b // restore original b item
            temp_b = 255 // dim b
            dim all c buttons
        }
        else { // used to dim buttons when in pond, when not playing
        // if enter pond without rod on b, dim b+c
            temp_b = 255 // dim b
            dim all c buttons
        }
    }
    else if (no_textbox_on_screen))
    {
        if (not_in_room_with_heat_timer && swimming_state_set)
        {
            temp_b = 255
            if (standing_underwater_with_iron_boots_for_4_seconds)
                dim all c buttons except hookshot/longshot
            else
                dim all c buttons
        }
        else if (crawling || climbing_on_ladder_or_wall) // down a or blank a
        {
            if (temp_b != 255)
            {
                temp_b = 255
                dim all c buttons
            }
        }
        else if (rented_horse_from_ingo) // event_inf is a table of shorts. the 1 bit is checked in the first entry of this table. so (event_inf[0] & 1 == 1)
            // this flag gets set when you say yes to ingo to ride a horse. then gets unset when you ask to leave the corral
            // this is how windy b works
        {
            if (riding_epona) // impossible to be true, because there is a check higher up for "riding epona"
            {
                if (b != bow && b != blank)
                    if (bow_slot == empty)
                        b = blank
                    else
                        b = bow
            }
            else
            {
                if (b == bow || b == blank)
                    if (b != sword_item) // has to be true. sword item means "0x3B kokiri sword", "0x3C master sword", "0x3C biggoron sword/giant's knife", "0x55 giant's knife"
                        b = temp_b
                    else
                        temp_b = b // impossible to reach?
            }
            dim all c buttons except ocarina
        }
        else
        {
            if (b_not_restricted_in_current_scene)
            {
                if (b == sling/bow/bombchu/blank)
                {
                    if (b != blank || sword_not_equipped_flag == 0)
                        b = temp_b
                }
                else if (temp_b == 255)
                {
                    if (temp_b == 255 || temp_b == 0)
                        temp_b = 0
                    else
                        b = temp_b
                }
                // if you have blank b and sword_not_equipped == 1 (sword hasn't been equipped), do nothing
                // if you have blank b and sword_not_equipped == 0 (sword has been equipped), b = temp b
                // if you have sling/bow/bombchu on b, b = temp b
                // else if b is dimmed, undim it
                // else do nothing
            }
            else if (b_restricted_in_current_scene)
            {
                if (b == sling/bow/bombchu/blank)
                {
                    if (b != blank || sword_not_equipped_flag == 1)
                        b = temp_b
                }
                else
                {
                    temp_b = 255
                }
                // if you have blank b and sword_not_equipped == 1, do nothing
                // if you have blank b and sword_not_equipped == 0, b = temp b
                // if you have sling/bow/bombchu on b, b = temp b
                // else dim b

            }

            restrict certain buttons/items depending on current scene
            (this includes FW outside dungeons,
            c buttons and weapons in houses,
            ocarina in boss rooms, and more)
            // for a full list, go here: https://docs.google.com/spreadsheets/d/1SLJzamokLb7wDOaJh5x8DsxmMBy9oIYawyDN3dAWppw/edit#gid=577133954
        }
    }
}