Donald in Maui Mallard (SMD) lua script

-- Donald starring in Maui Mallard (E)[!]
-- Script for TAS
-- 2013, r57shell

notes = {};
msgtable = {};
msgidx = 0;
require 'donald_tas_notes';
_d0 = -100;
_d1 = -100;
sync = false;
show_boxes = true;
h_collisions = true;
v_collisions = true;
show_dmg = true;
show_buttons = true;
show_ammo = true;
show_pos = true;
show_notes = true;
show_cursor = true;
show_life = true;
show_hex = false;

buttons = {
[0]={text="hide",x1=288,y1=36,x2=308,y2=46,down=false,proc=function()
    show_buttons = not show_buttons
end},

[1]={text="sync",x1=286,y1=48,x2=308,y2=58,down=false,var="sync"},

[2]={text="pos",x1=286,y1=60,x2=308,y2=70,down=false,var="show_pos"},

[3]={text="boxes",x1=286,y1=72,x2=308,y2=82,down=false,var="show_boxes"},

[4]={text="lifes",x1=286,y1=84,x2=308,y2=94,down=false,var="show_life"},

[5]={text="horiz",x1=286,y1=96,x2=308,y2=106,down=false,var="h_collisions"},

[6]={text="vert",x1=286,y1=108,x2=308,y2=118,down=false,var="v_collisions"},

[7]={text="notes",x1=286,y1=120,x2=308,y2=130,down=false,var="show_notes"},

[8]={text="cursor",x1=282,y1=132,x2=308,y2=142,down=false,var="show_cursor"},

[9]={text="ammo",x1=286,y1=144,x2=308,y2=154,down=false,var="show_ammo"},

[10]={text="dmg",x1=286,y1=156,x2=308,y2=166,down=false,var="show_dmg"},

[11]={text="hex",x1=286,y1=168,x2=308,y2=178,down=false,var="show_hex"},

};

input.registerhotkey(1, function()
    local hook = 0;
    local dir = 0;
    local i = 200;
    joypad.set({C=false,B=false});
    while i>0 do
        i = i - 1
        hook = memory.readbyte(0xFFE219);
        if (hook == 1) then
            break;
        end
        gens.emulateframe();
    end
    if (i==0) then
        print("error hook state 1 not found\n");
        return
    end
    joypad.set({C=true});
    dir = AND(XOR(memory.readword(0xFFE1FA), memory.readword(0xFFE1CA)), 0x800);
    local p = {left=false,right=false};
    local a = {right=true,left=false};
    if (dir == 0) then
        p = {right=false,left=false};
        a = {left=true,right=false};
    end
    joypad.set(p); gens.emulateframe();
    joypad.set(p); gens.emulateframe();
    --joypad.set(p); gens.emulateframe(); -- uncomment this it it does not work
    joypad.set(a); gens.emulateframe();
    joypad.set(a); gens.emulateframe();
    joypad.set(a); gens.emulateframe();
    joypad.set(a); gens.emulateframe();
    joypad.set({B=true});
    gens.emulateframe();
end)

function drawcursor()
    local inpt = input.get();
    local xmouse = inpt.xmouse;
    local ymouse = inpt.ymouse;

    gui.texta(xmouse,ymouse,string.format("%d\n%d",scrollx+xmouse,scrolly+ymouse));
end

function drawnotes()
    if (notes[level]) then
        for k,v in pairs(notes[level]) do
            x,y,text,color = v[1],v[2],v[3],v[4];
            if (color == nil) then
                color = "white"
            end

            x = x - scrollx;
            y = y - scrolly;
            if (x > -30 and x < 350 and y > -30 and y < 254) then
                gui.texta(x,y,text,color);
            end
        end
    end
end

function getpos(offs)
    local x = memory.readwordsigned(offs + 0x12) - scrollx;
    local y = memory.readwordsigned(offs + 0x14) - scrolly;
    return x,y;
end

function drawbbox(offs,color)
    local bbox = memory.readlong(offs + 0xC);
    if (bbox == 0) then
        return nil,nil;
    end
    local x,y = getpos(offs);
    local stp = memory.readword(bbox)+1;
    local count = memory.readword(bbox + 2);
    local bb = bbox+stp*10+8;
    for i = 1, count do
        local x1 = memory.readbytesigned(bb + 0);
        local x2 = memory.readbytesigned(bb + 1);
        local y1 = memory.readbytesigned(bb + 2);
        local y2 = memory.readbytesigned(bb + 3);
        bb = bb + 6;
        if (AND(XOR(memory.readword(offs),memory.readword(offs+0x30)),0x800) ~= 0) then
            x1,x2 = -x2,-x1;
        end
        if (AND(memory.readword(offs),0x1000) ~= 0) then
            y1,y2 = -y2,-y1;
        end
        if (show_boxes) then
            gui.boxa(x+x1,y+y1,x+x2,y+y2,"#FFFFFF00");
        end
    end
    local x1 = memory.readbytesigned(bbox + 4);
    local x2 = memory.readbytesigned(bbox + 5);
    local y1 = memory.readbytesigned(bbox + 6);
    local y2 = memory.readbytesigned(bbox + 7);
    if (AND(XOR(memory.readword(offs),memory.readword(offs+0x30)),0x800) ~= 0) then
        x1,x2 = -x2,-x1;
    end
    if (AND(memory.readword(offs),0x1000) ~= 0) then
        y1,y2 = -y2,-y1;
    end
    if (show_boxes) then
        gui.boxa(x+x1,y+y1,x+x2,y+y2,color);
    end
    return x+x1, y+y1;
end

function postext(x,len)
    if (show_hex) then
        if (x < 0) then
            x = string.format("-%X:%02X",AND(-x,0xFFFF00)/0x100,AND(-x,0xFF));
        else
            x = string.format("%X:%02X",AND(x,0xFFFF00)/0x100,AND(x,0xFF));
        end
    else
        x = string.format("%.3f",x/0x100);
    end
    while(#x<len) do
        x = " "..x;
    end
    return x;
end

function getboss4dir(px,py,x,y,w,ws)
    local r = 1;--0xFFFF;
    local angle = math.pi*w/0x200;
    local x1 = math.cos(angle)*10;
    local y1 = math.sin(angle)*10;
    local x2,y2 = x-px,y-py;
    if (x1*y2-x2*y1 >= 0) then
        r = 0xFFFF;
    end
    if (AND(XOR(r,ws),0x8000) == 0) then
        if (AND(ws,0x8000) == 0) then
            ws = ws + 4;
            if (ws > 0x1C) then
                ws = 0x1C;
            end
        else
            ws = ws - 4;
            if (ws < 0xFFE4) then
                ws = 0xFFE4;
            end
        end
        return ws;
    else
        if (r == 1) then
            return 4;
        else
            return 0xFFFC;
        end
    end
end

function drawboss4(base)
-- the Sacrifice of Maui Boss
    local x,y = getpos(base);
    local w = memory.readword(base+0x4C);
    local ws = memory.readword(base+0x2E);
    local len = 5;
    local x1,y1 = x,y;
    for ai = 1, 10 do
        local angle = math.pi*w/0x200;
        local x2 = x1+math.cos(angle)*len;
        local y2 = y1+math.sin(angle)*len;
        gui.linea(x1,y1,x2,y2,"#00FF00");
        ws = getboss4dir(px,py,x1,y1,w,ws);
        x1,y1 = x2,y2;
        w = AND(ws+w,0x3FF);
    end
    local w = memory.readword(base+0x4C);
    local ws = memory.readword(base+0x2E);
    if (AND(ws,0x8000) == 0) then
        w = w + 0xFEC0;
    else
        w = w + 0x120;
    end
    w = AND(w,0x3FF);
    x1,y1 = x,y;
    ws = getboss4dir(px,py,x1,y1,w,ws);
    for ai = 1, 10 do
        local angle = math.pi*w/0x200;
        local x2 = x1+math.cos(angle)*len;
        local y2 = y1+math.sin(angle)*len;
        gui.linea(x1,y1,x2,y2,"#FFFFFF");
        ws = getboss4dir(px,py,x1,y1,w,ws);
        x1,y1 = x2,y2;
        w = AND(ws+w,0x3FF);
    end
end

function drawboss5(base)
    if (memory.readbyte(base+0x29) == 0xE8
    and AND(memory.readbyte(base+0x5),2) == 2) then
    -- bombs pos
        local x,y = getpos(base);
        gui.setpixela(x,y,"red");
    end
    if (memory.readword(base+0x20) == 0x6E40) then
    -- Frog Boss
        local states = {"idle","eating","stealing","burp","death"};
        local state = memory.readbyte(base+4);
        states[0] = "none";
        gui.texta(x-5,y+16,states[state]);
        x,y = getpos(base);
        local ax = 0x14;
        if (AND(memory.readword(base),0x800) ~= 0) then
            ax = -ax;
        end
        if (state ~= 2
        and state ~= 5
        and state ~= 0) then
            gui.boxa(x+ax-8,y-16,x+ax+8,y,"#FF000000");
        end
    end
end

function drawall()
    gui.draw_info = {idx = 1};

    local no = true;
    for i = 0xFFE176, 0xFFE192, 4 do
        if (memory.readlong(i) == 0x298C44) then
            no = false
        end
    end
    if (no == true) then
        return;
    end

    level = memory.readword(0xFF1B14);

    pbase = 0xFFE1CA;
    life    = memory.readword(0xFF1346);
    maxlife = memory.readword(0xFF1348);
    invtime = memory.readwordsigned(pbase + 0xA);
    ninjat = memory.readbyte(0xFF1A03);
    hookstate = memory.readbyte(0xFFE219);
    platform = AND(memory.readword(0xFFE196),0x30)/0x10;

    scrollx = memory.readwordsigned(0xFFE1BC);
    scrolly = memory.readwordsigned(0xFFE1BE);
    posx = memory.readwordsigned(pbase + 0x12)*256 + memory.readbyte(pbase + 0x1A);
    posy = memory.readwordsigned(pbase + 0x14)*256 + memory.readbyte(pbase + 0x1B);
    px,py = getpos(pbase);
    speedy = memory.readwordsigned(pbase + 0x18);
    speedx = memory.readwordsigned(pbase + 0x16);
    if (AND(memory.readword(pbase),0x800) ~= 0) then
        speedx = -speedx;
    end
    speedx = speedx + memory.readwordsigned(0xFF216A);

    drawcollisions();

    if (show_notes) then
        drawnotes();
    end

    if (show_cursor) then
        drawcursor();
    end

    if (show_pos) then
        gui.texta(0,0,string.format("pos x: %s life: %X\npos y: %s maxlife: %X\nspeed x: %s ninja t: %d\nspeed y: %s platform: %d",
            postext(posx,8),life,
            postext(posy,8),maxlife,
            postext(speedx,6),ninjat,
            postext(speedy,6),platform));
    end

    local boss3 = nil;
    local boss2 = nil;
    local enemycount = 0;
    i = 0;
    base = memory.readword(0xFFE1C2) + 0xFF0000;
    while (1) do
        base = memory.readword(base+2) + 0xFF0000;
        if (base == 0xFF0000 or i > 80) then
            break;
        end

        hp = memory.readwordsigned(base+0x1C);
        cb = memory.readbyte(base+0x29);

        if (base == pbase) then
            x,y = drawbbox(base,"#00ff0000");
            gui.boxa(px-1,py-1,px+1,py+1,"black","#FF00FF");
            if (show_life) then
                gui.texta(px+3,py-7,string.format("%d\n%d",hookstate,invtime));
            end
        else
            x,y = drawbbox(base,"#0000ff00");
        end

        --if (x == nil and hp ~= 0) then
            if (level == 2 and cb == 0xDC) then
                x,y = 150,0; -- first boss hack
            else
                x,y = getpos(base);
            end
        --end
        if (level == 6
        and memory.readword(base+0x20) == 0x410C) then
        -- Ninja Training Boss
            boss2 = base;
        end
        if (x + scrollx == 0x80
        and y + scrolly == 0xC0
        and memory.readword(base) == 0xA001
        and memory.readword(base+0x20) ~= 0xECA8
        and level == 9) then
        -- Muddrake Mayhem Boss
            boss3 = base;
        end
        if (AND(memory.readword(base+0x30),0x1000) ~= 0) then
            enemycount = enemycount + 1;
        end
        if (show_life and x ~= nil and hp ~= 0) then
            if (x > -30 and x < 350 and y > -30 and y < 254) then
                gui.texta(x-5,y,string.format("life %d\ninv %d",hp,memory.readwordsigned(base + 0xA)));
            end
        end
        if (show_life and level == 1 and (cb == 0x97 or cb == 0x98)) then -- totem
            if (x < 0) then
                gui.texta(0,y-8,string.format("x:%d",memory.readwordsigned(base + 0x12)));
            elseif (x > 320) then
                gui.texta(320-10,y-8,string.format("x:%d",memory.readwordsigned(base + 0x12)));
            else
                gui.texta(x-5,y-8,string.format("x:%d",memory.readwordsigned(base + 0x12)));
            end
        end
        if (
            (cb == 0xBC and ((level >= 7 and level <= 9) or (level >= 12 and level <= 13)))
            or (cb == 0xA0 and level == 17)) then -- wasp or soul
            x,y = getpos(base);
            x = x - px;
            y = y - py;
            local len = math.sqrt(x*x+y*y);
            x = x*40/len;
            y = y*40/len;
            gui.linea(px,py,px+x,py+y,"red");
            gui.texta(px+x,py+y,string.format("%.0f",len),"red");
        end

        if (level == 10
        and memory.readword(base+0x20) == 0x6FF8) then
        -- the Sacrifice of Maui Boss
            drawboss4(base);
        end

        if (level == 13) then
        -- Frog Boss
            drawboss5(base);
        end

        i = i+1;
    end

    if (boss2) then
    -- Ninja Training Boss
        base = boss2
        gui.texta(150,0,string.format("battle: %2d\ntimer: %3d\nenemy: %3d",
            memory.readwordsigned(0xFF2148),
            memory.readwordsigned(base+0x6),
            enemycount));
    end
    if (boss3) then
    -- Muddrake Mayhem Boss
        base = boss3
        local resp = "respawn ";
        if (memory.readwordsigned(base+0x52)~=0) then
            resp = "alive   ";
        end
        gui.texta(150,0,string.format("left: %d\n%s\n%d:%d\nenemy: %d keep<4",
            memory.readwordsigned(base+0x4E),
            resp,
            memory.readwordsigned(base+0x50),
            memory.readwordsigned(base+0x6),
            enemycount));
    end

    if (show_ammo) then
        local nt = memory.readword(0xFF133E);
        if (nt == 0xFFFF) then
            nt = 0x999;
        end
        gui.texta(280, 5,string.format("%3X", nt                      ),"yellow","black");
        gui.texta(280,13,string.format("%3X",memory.readword(0xFF1356)),"#CC4400","black");
        gui.texta(300, 5,string.format("%3X",memory.readword(0xFF1A20)),"blue"  ,"black");
        gui.texta(300,13,string.format("%3X",memory.readword(0xFF1A22)),"white" ,"black");
        gui.texta(300,21,string.format("%3X",memory.readword(0xFF1A24)),"red"   ,"black");
        gui.texta(300,29,string.format("%3X",memory.readword(0xFF1A26)),"yellow","black");
    end

    drawmessages();
end

memory.registerexec(0x296974,function ()
    if (sync) then
        drawall();
    end
end);

gens.registerbefore(function()
    if (sync) then
        drawall();
    end
end);

gens.registerafter(function()
    if (not sync) then
        drawall();
    end
end)

savestate.registerload(function ()
    if (sync) then
        gui.draw_info_prev = {idx = 1};
        drawall();
    else
        drawall();
    end
end)

function addmsg(msg,color)
    local t = {};
    local _t = gens.framecount();
    t.time = 60;
    for i = 1, 100 do
        t.i = i;
        local was = false;
        for k, v in pairs(msgtable) do
            if (v.time > 0 and i == v.i) then
                was = true;
            end
        end
        if (not was) then
            break;
        end
    end
    if (t.i == 100) then
        return nil;
    end
    t.msg = msg;
    t.color = color;
    msgtable[msgidx] = t;
    msgidx = msgidx + 1;
    return msgidx-1;
end

function drawmessages()
    local t = {};
    for k, v in pairs(msgtable) do
        if (v.time <= 0) then
            t[k] = true;
        else
            local c = { gui.parsecolor(v.color) };
            c[4] = v.time/60*255*2;
            if (c[4] > 255) then
                c[4] = 255;
            end
            if (v.unit) then
                x,y = getpos(v.unit);
                gui.linea(20, 190 + 4 - v.i*8,x,y,c);
            end
            gui.texta(5, 190 - v.i*8, v.msg, c, {0,0,0,c[4]});
            v.time = v.time - 1
        end
    end
    for k, v in pairs(t) do
        msgtable[k] = nil;
    end
end

function signedword(x)
    if (AND(x, 0x8000) ~= 0) then
        return -(0x10000-AND(x, 0xFFFF));
    else
        return AND(x, 0xFFFF);
    end
end

memory.registerexec(0x2A2C74,function ()
    if (show_dmg ~= true) then
        return
    end
    local dmg = signedword(memory.getregister("d1"));
    local a0 = memory.getregister("a0");
    local idx = addmsg(string.format("dmg: %d",dmg),"red");
    if (idx ~= nil) then
        msgtable[idx].unit = AND(a0,0xFFFFFF);
    end
end)

memory.registerexec(0x29BB42,function ()
    local d0 = memory.getregister("d0");
    local idx = addmsg(string.format("platform: %d",AND(d0,3)),"green");
end)

memory.registerexec(0x29D06A,function ()
    local d0 = memory.readword(0xFFE196);
    local idx = addmsg(string.format("case: %d",AND(d0,7)),"green");
end)

memory.registerexec(0x2A4C62,function ()
    local pbase = 0xFFE1CA;
    local posx = AND(memory.getregister("d3"),0xFFFF);
    local posy = memory.readwordsigned(pbase + 0x14);
    local speedx = memory.readwordsigned(pbase + 0x16);
    if (speedx == 0) then
        speedx = 1;
    end
    if (AND(memory.readwordsigned(pbase),0x800) ~= 0) then
        speedx = -speedx;
    end
    local wspeedx = speedx;
    if (AND(memory.readwordsigned(pbase),0x8) ~= 0) then
        wspeedx = speedx + memory.readwordsigned(0xFF216A);
    end
    local xz = memory.readwordsigned(0xFF133C)-0x10;
    if (wspeedx < 0) then
        xz = -(xz + 0x10);
    end
    if (memory.readbyte(0xFF2131) == 0 or
        (memory.readbyte(0xFF2131) ~=0 and AND(memory.readbyte(0xFF2132),1) == 1)) then
        if (AND(posy, 0xF) < 8) then
            posy = posy - 0x10;
        end
    end
    xz = xz + posx;
    if (memory.readword(0xFF133A) == 2) then -- small mode
        posy = memory.readwordsigned(pbase + 0x14) + 8;
    end
    m_d0 = xz;
    m_d1 = posy;
end)

memory.registerexec(0x2A4CD2,function ()
    _d0 = AND(memory.getregister("d0"), 0xFFFF);
    _d1 = AND(memory.getregister("d1"), 0xFFFF);
end)

function drawcollisions()
    local a1 = memory.readlong(0xFFE124);
    local a2 = memory.readlong(0xFFE140);
    local a3 = memory.readlong(0xFF1B1E);
    for i = -1, 20 do
        for j = -1, 14 do
            local x = scrollx + i*16 - AND(scrollx,0xF);
            local y = scrolly + j*16 - AND(scrolly,0xF);
            local d0 = AND(x, 0xFFF0) / 8;
            local d1 = AND(y, 0xFFF0) / 4;
            if (AND(d0,0x8000) == 0
            and AND(d1,0x8000) == 0
            and d0 < memory.readword(0xFFE12C)
            and d1 < memory.readword(0xFFE12E)) then
                local d4 = d0;
                local was = false;
                for k = 0, 1 do
                    local d5 = memory.readlong(0xFF0020 + d1 + k*4) + d4;
                    for l = 0, 1 do
                        local d0 = memory.readword(a1 + l*2 + AND(d5, 0xFFFF));
                        local d0 = AND(d0,0xFFFE)/2;
                        local d3 = memory.readbyte(AND(a2 + d0 + 2, 0xFFFFFF));
                        local tt = memory.readbyte(0x1FCF14 + d3);
                        local px = x - scrollx + 8 + l*8;
                        local py = y - scrolly + 8 + k*8;

                        if (h_collisions) then
                            if (tt == 0) then
                            elseif (tt == 1) then
                                if (x == AND(_d0, 0xFFF0) and y == AND(_d1, 0xFFF0)) then
                                    gui.boxa(px, py, px + 8, py + 8, "#00FFFFFF","#00FFFFFF");
                                else
                                    gui.boxa(px, py, px + 8, py + 8, "#00FFFF80","#00FFFFA0");
                                end
                            else
                                gui.boxa(px, py, px + 8, py + 8, "#FF000080","#FF0000A0");
                            end
                        end

                        if (v_collisions and l == 0 and k == 0) then
                            local gnd = memory.readword(AND(a2 + d0,0xFFFFFF));
                            for g = 0, 15 do
                                local h = memory.readbytesigned(a3 + gnd + g);
                                if (h ~= 0) then
                                    gui.setpixela(px + g - 8, py + h - 8, "#00FFFF");
                                end
                            end
                            local sp = memory.readlong(0x1FD014 + d3*4);
                            if (sp ~= 0x293DCA
                            and sp ~= 0x2A526C) then
                                if (sp == 0x29498A) then -- spikes
                                    gui.boxa(px-8, py-8, px+8, py+8, "#FF000080","#FF0000A0");
                                elseif (sp == 0x293E3C) then -- rope
                                    gui.boxa(px, py-8, px+8, py+8, "#00880080","#008800A0");
                                elseif (sp == 0x29481C) then -- warp
                                    gui.boxa(px-8, py-8, px+8, py+8, "#00FF0080","#00FF00A0");
                                elseif (sp == 0x29480C
                                     or sp == 0x294844) then -- warp sides
                                    gui.boxa(px-8, py-8, px+8, py+8, "#00FF0040","#00FF0060");
                                elseif (sp == 0x2A4AF8) then -- end
                                    gui.boxa(px-8, py-8, px+8, py+8, "#00FF0080","#00FF00A0");
                                elseif (sp == 0x293E80) then -- bamboo
                                    gui.boxa(px, py-8, px+8, py+8, "#AAAA0080","#AAAA00A0");
                                elseif (sp == 0x2949F0
                                     or sp == 0x2949DE) then -- mud
                                    gui.boxa(px-8, py-8, px+8, py+8, "#AA440080","#AA4400A0");
                                elseif (sp == 0x294956) then -- lava
                                    gui.boxa(px-8, py-8, px+8, py+8, "#FF000080","#FF0000A0");
                                elseif (sp == 0x2949BA) then -- spikes down
                                    gui.boxa(px-8, py-8, px+8, py+8, "#FF0000C0","#FF0000E0");
                                else
                                    gui.texta(px, py, string.format("%X",sp));
                                end
                            end
                        end
                    end
                end
            end
        end
    end

    local d0 = _d0 - scrollx;
    local d1 = _d1 - scrolly;
    if (h_collisions) then
        if (memory.readword(0xFF133A) == 2) then -- small mode
            gui.boxa(d0,d1,d0+16,d1+8,"#00FFFF00");
        else
            gui.boxa(d0,d1,d0+16,d1+16,"#00FFFF00");
        end
    end

    if (v_collisions) then
        gui.boxa(px-1,py+16-1,px+1,py+16+1,"black","#00FFFF");
        if (memory.readword(0xFF133A) ~= 2) then -- not small mode
            gui.boxa(px-1,py-24,px+1,py-24+2,"black","#00FFFF");
        end
    end
end

gui.draw_info = {idx = 1};

gui.draw_info_prev = {idx = 1};

gui.texta = function (x,y,text,c,o)
    local info = gui.draw_info;
    local idx = info.idx;
    info.idx = idx + 1;
    info[idx] = {f = "text_", x = x, y = y, text = text, c = c, o = o};
end

gui.boxa = function (x1,y1,x2,y2,c,o)
    local info = gui.draw_info;
    local idx = info.idx;
    info.idx = idx + 1;
    info[idx] = {f = "box_", x1 = x1, y1 = y1, x2 = x2, y2 = y2, c = c, o = o};
end

gui.linea = function (x1,y1,x2,y2,c)
    local info = gui.draw_info;
    local idx = info.idx;
    info.idx = idx + 1;
    info[idx] = {f = "line_", x1 = x1, y1 = y1, x2 = x2, y2 = y2, c = c};
end

gui.setpixela = function (x1,y1,c)
    local info = gui.draw_info;
    local idx = info.idx;
    info.idx = idx + 1;
    info[idx] = {f = "pixel_", x1 = x1, y1 = y1, c = c};
end

gui.text_ = function (v)
    gui.text(v.x, v.y, v.text, v.c, v.o);
end

gui.box_ = function (v)
    gui.box(v.x1, v.y1, v.x2, v.y2, v.c, v.o);
end

gui.line_ = function (v)
    gui.line(v.x1, v.y1, v.x2, v.y2, v.c);
end

gui.pixel_ = function (v)
    gui.setpixel(v.x1, v.y1, v.c);
end

inpt_prev = {}

function drawbutton(b)
    local inpt = input.get();
    local xmouse = inpt.xmouse;
    local ymouse = inpt.ymouse;
    if (xmouse>b.x1 and xmouse < b.x2
    and ymouse>b.y1 and ymouse < b.y2) then
        if (b.down
        and inpt_prev["leftclick"] == true
        and inpt["leftclick"] ~= true) then
            if (b.var) then
                _G[b.var]=not _G[b.var]
            else
                b:proc();
            end
        end
        if (inpt["leftclick"] == true
        and inpt_prev["leftclick"] ~= true) then
            b.down = true;
        end
    end

    if (inpt["leftclick"] ~= true) then
        b.down = false;
    end

    local color = "#aaaaaa00";
    local text =  "#aaaaaaff";

    if (b.down) then
        color = "#ffffff00";
        text = "#ffffffff";
    end
    if (b.var and _G[b.var] == true) then
        text = "#ffffffff";
    end
    if (show_buttons) then
        gui.box(b.x1,b.y1,b.x2,b.y2,color);
        gui.text((b.x2-b.x1-#b.text*4)/2+b.x1+1,(b.y2-b.y1-8)/2+b.y1,b.text,text);
    end
end

gui.register(function ()
    if (sync) then
        gui.draw_info, gui.draw_info_prev = gui.draw_info_prev,gui.draw_info;
    end

    for k, v in pairs(buttons) do
        drawbutton(v);
    end

    for k, v in ipairs(gui.draw_info) do
        if (k ~= "idx") then
            gui[v.f](v);
        end
    end
    gui.draw_info = {idx = 1};
    inpt_prev = input.get();
end)