trigger_event = {
    list = {},
}

trigger_ev = {}

function trigger_event.new ( _name, _tr_func, _tr_init, _tr_update ) 
    table.insert( trigger_event.list, { 
        name    = _name,
        trigger = _tr_func,
        init    = _tr_init,
        update  = _tr_update,
        enabled = true,
        running = false,
    })
end

function trigger_event.update ()
    for _,t in ipairs(trigger_event.list) do
        if t.enabled and not t.running then
            t.running = t:trigger()
        end
    end
end

function trigger_event.disable(_name)
print("Disabling ".._name)
    for _,t in ipairs(trigger_event.list) do
        if t.name == _name then
            print("Disabled trigger ".._name)
            t.running = false
            t.enabled = false
        end
    end
end

-- PREMIERE HEALER - BOSS 1 TRIGGER
function trigger_ev:premiere_boss1_trigger( )
    if stages.boss_loaded and
       --abad.objects.clau_premiere~=nil and
       abad.energia<=abad.max_energia/2
    then
        self:init()
        return true
    end
    return false
end

function trigger_ev:premiere_healer_init()
    -- if premiere.update==premiere_update_healer then return true end
    -- Guardar l'estat de Premiere
    premiere.from_hab = premiere.hab 
    premiere.from_x = premiere.x
    premiere.from_y = premiere.y
    premiere.from_update = premiere.update
    -- Moure a premiere al Boss stage
    premiere.hab = 54
    premiere.x = 2
    premiere.y = 3
    local world_x, world_y = coords.room_to_world(premiere.hab,premiere.x,premiere.y)
    premiere.x=world_x
    premiere.y=world_y
    premiere.health_wait = 100
    premiere.update = self.update
    -- El trigger el deshabilitaria al acabar el update
    -- pero en estos moments no se com fer-ho
    -- perque l'update s'executa dins de premiere i no
    -- dins del trigger
    trigger_event.disable(self.name)
end

function trigger_ev:premiere_healer_update()
    -- Esperar mentres dona la vida
    if premiere.health_wait>0 and premiere.health_wait<100 then
        premiere.health_wait = premiere.health_wait - 1
    else
       premiere.x = premiere.x+1
    end

    -- Lloc de pausa
    local hab, tx, ty = coords.world_to_tile(premiere.x, premiere.y)
    if hab == 55 and tx==0 and ty==3 and premiere.health_wait==100 then
        -- 55 (0,3)
        table.insert(
            dialegs, 
            { actor1=premiere, 
            actor2=abad, 
            distancia=500,
            direccio = "",
            enabled=true,
            text="Tenne! Io t'achudo. Figo!"
            }
        )
        premiere.health_wait = premiere.health_wait - 1
    elseif hab >= 56 then
        -- Restaurar a Premiere
        premiere.hab    = premiere.from_hab
        premiere.x      = premiere.from_x
        premiere.y      = premiere.from_y
        premiere.update = premiere.from_update
    end
end

function premiere_dialeg1_trigger ()
    if h_collision( premiere, abad) and
       distancia ( premiere, abad )<=150
    then
        return true
    end
    return false
end