--hab=0

modes={playing=0,editing=1}
mode=modes.editing

seltile = 0

actors={}

function _init()
    tiles=loadsurf("tiles.gif")
    setsource(tiles)
    local pal=loadpal("tiles.gif")
    setpal(pal)

    --mapa_new()
    abad_init()
    table.insert(actors,abad)
    premiere.init()
    table.insert(actors,premiere)
    z = zombie.new()
    table.insert(actors,z)
    c=caco.new(10,24,16)
    table.insert(actors,c)
    score.create()

    _update=update_game
end

function text(str,x,y,col)
    color(16)
    prnt(str,x-1,y-1)
    prnt(str,x,y-1)
    prnt(str,x+1,y-1)
    prnt(str,x-1,y)
    prnt(str,x+1,y)
    prnt(str,x-1,y+1)
    prnt(str,x,y+1)
    prnt(str,x+1,y+1)

    prnt(str,x,y,col)
end

function draw_hab(hab,x,y,editing)
    camera(-x,-y)
    mapa_draw(hab)

    if not editing then
        for key,actor in pairs(actors) do
            if actor.hab==hab then
                actor:draw()
            end
        end
        if cacau.hab==hab then cacau:draw() end
    end
    camera(0,0)
end

function _update() end

function update_dialog()
    rectfill(16,16,112,50,12)
    rect(15,15,113,51,16)
    text("Save the map?",20,20,2)
    text("This cannot be undone",20,27,2)
    text("(Y)es         (N)o",25,40,2)

    if btnp(KEY_N) then
        _update=update_game
    elseif btnp(KEY_Y) then
        mapa_save()
        _update=update_game
    end
end

function update_game()
    cls(16)

    if mode==modes.editing then
        draw_hab(abad.hab,0,0,true)
        text(abad.hab,120,1,2)

        sspr(0,64,128,48,0,48)
        color(3)
        local xx=(seltile&15)*8
        local yy=48+(seltile>>4)*8
        rect(xx,yy,xx+8,yy+8)
            text("EDIT",100,1,3)
        local hx = abad.hab%10
        local hy = flr(abad.hab/10)
        if btnp(KEY_RIGHT) and hx<9 then
            abad.hab=abad.hab+1
        elseif btnp(KEY_LEFT) and hx>0 then
            abad.hab=abad.hab-1
        elseif btnp(KEY_DOWN) and hy<7 then
            abad.hab=abad.hab+10
        elseif btnp(KEY_UP) and hy>0 then
            abad.hab=abad.hab-10
        elseif btnp(KEY_RETURN) then
            mode=modes.playing
            mapa_do_backup()
        elseif btnp(KEY_S) and (btn(KEY_LCTRL) or btn(KEY_LGUI)) then
            _update=update_dialog
        elseif btnp(KEY_C) then
            mapa_cycle_colors(abad.hab)
        end

        local mx,my=mousex(),mousey()
        if mx>>3 < 12 and my>>3 < 6 then
            text(mx>>3,100,10,2)
            text(my>>3,111,10,2)
            text((mx>>3)+(my>>3)*12,118,10,2)
        end
        if mbtn(1) then
            if my>=48 then
                seltile=(mx>>3)+((my-48)>>3)*16
            elseif mx<96 then
                mapa_set_tile(abad.hab,mx>>3,my>>3,seltile)
            end
        elseif mbtn(3) then
            if my<48 and mx<96 then
                mapa_set_tile(abad.hab,mx>>3,my>>3,255)
            end
        end
        if mx>>3 < 12 and my>>3 < 6 then
            local tx,ty=(mx>>3)<<3,(my>>3)<<3
            rect(tx,ty,tx+8,ty+8,3)
        end
    else
        draw_hab(abad.hab,0,0)
        text(abad.hab,1,1,2)
        draw_hab(premiere.hab,0,48)

        score.draw()
        setsource(tiles)
        prnt("x"..abad.vides,114,13,2)
        rectfill(102+(abad.energia>>1),30,122,37,16)
        for key,actor in pairs(actors) do
            actor:update()
            if actor.hab==cacau.hab and actor~=abad then
                if aabb(actor,cacau) then
                    actor:hit()
                    cacau.hab=-1
                end
            end
        end
        cacau.update()
        switches.update()
        
        if btnp(KEY_RETURN) then
            mode=modes.editing
            mapa_restore_backup()
        end

    end
end

function aabb(a, b)
    return (a.x+a.bb.x+a.bb.w >= b.x+b.bb.x) and (a.x+a.bb.x <= b.x+b.bb.x+b.bb.w) and (a.y+a.bb.y+a.bb.h >= b.y+b.bb.y) and (a.y+a.bb.y <= b.y+b.bb.y+b.bb.h)
end