-- local arcade_config = require("arcade_config")

type_shot={linear=1, rear=2, way3=3}

cacau={
        { hab=-1, x=0, y=0, w=12 ,h=8 ,wait=0, flip=false, bb={x=0,y=0,w=4,h=4}, alive=false, power=1 },
        { hab=-1, x=0, y=0, w=12 ,h=8 ,wait=0, flip=false, bb={x=0,y=0,w=4,h=4}, alive=false, power=1 },
        { hab=-1, x=0, y=0, w=12 ,h=8 ,wait=0, flip=false, bb={x=0,y=0,w=4,h=4}, alive=false, power=1 }
      }

-- function cacau.init(_hab,_x,_y,_flip)
    -- if cacau.hab ~= -1 then return end
    -- cacau.hab=_hab
    -- cacau.x=_x
    -- cacau.y=_y
    -- cacau.flip=_flip
    -- cacau.alive = true
-- end

function cacau.init(_x,_y,_flip,_power,_num_shots,_type_shot)
    if _type_shot==type_shot.linear then
        for ns=1,_num_shots do
            if cacau[ns].alive == true then break end
            cacau[ns].x=_x
            cacau[ns].y=_y
            cacau[ns].flip=_flip
            cacau[ns].alive = true
            cacau[ns].power = _power
        end
    elseif _type_shot==type_shot.rear then
    
    elseif _type_shot==type_shot.way3 then
    
    end
end

function cacau:available(_num_shots,_type_shot)
    local avail_shots = false
    if _type_shot==type_shot.linear then
        for ns=1,_num_shots do
            if cacau[ns].alive == false then avail_shots = true end
        end
    elseif _type_shot==type_shot.rear then
    
    elseif _type_shot==type_shot.way3 then
    
    end
    
    return avail_shots
end

function cacau.draw()
    for ns=1,3 do
        if cacau[ns].alive==true then
            local cx, cy = viewp:screen_coords(cacau[ns].x, cacau[ns].y)
            draw.circf( cx,   cy, 4,16)
            draw.circf( cx+4, cy, 4,16)
            draw.circf( cx  , cy, 2,6)
            draw.circf( cx+4, cy, 2,6)
        end
    end
end

function cacau.update()
    for ns=1,3 do
        if cacau[ns].alive==true then
            if viewp:inside(cacau[ns].x, cacau[ns].y, cacau[ns].w, cacau[ns].h)==false then
                cacau[ns].hab=-1
                cacau[ns].alive=false
                break
            end
        end
        
        cacau[ns].wait=cacau[ns].wait+1
        
        if cacau[ns].wait == 3 then cacau[ns].wait = 0 end
        
        if arc_check_tile(cacau[ns].x,cacau[ns].y)<tiletype.block then
            local step=3
            if cacau[ns].flip then step=-step end
            cacau[ns].x=cacau[ns].x+step
            
            if viewp:inside(cacau[ns].x, cacau[ns].y, cacau[ns].w, cacau[ns].h)==false then 
                cacau[ns].alive=false
                break
            end
        else
            cacau[ns].hab=-1
            cacau[ns].alive = false
        end
    end
end

-- function cacau.update()
--     if cacau.hab == -1 then
--         cacau.alive = false
--         return 
--     end
--     cacau.wait=cacau.wait+1
-- 
--     if cacau.wait==3 then
--         cacau.wait=0
-- 
--         if cacau.x>96 then
--             cacau.hab=-1
--             cacau.alive = false
--             return
--         elseif check_tile(cacau.hab,cacau.x,cacau.y)<tiletype.block then
--             if cacau.flip then
--                 cacau.x=cacau.x-4
--             else
--                 cacau.x=cacau.x+4
--             end
--             if cacau.x<-4 then
--                 cacau.hab=-1
--                 cacau.alive = false
--                 return
--             end
--         else
--             cacau.hab=-1
--             cacau.alive = false
--             return
--         end
--     end
-- end