fceux/output/luaScripts/Galaxian.lua

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2013-09-23 20:48:54 +00:00
--Galaxian
--Written by XKeeper
--Accesses the Music Player Easter Egg and displays the songs & information
require "x_functions";
require "x_interface";
if not x_requires then
-- Sanity check. If they require a newer version, let them know.
timer = 1;
while (true) do
timer = timer + 1;
for i = 0, 32 do
gui.drawbox( 6, 28 + i, 250, 92 - i, "#000000");
end;
gui.text( 10, 32, string.format("This Lua script requires the x_functions library."));
gui.text( 53, 42, string.format("It appears you do not have it."));
gui.text( 39, 58, "Please get the x_functions library at");
gui.text( 14, 69, "http://xkeeper.shacknet.nu:5/");
gui.text(114, 78, "emu/nes/lua/x_functions.lua");
warningboxcolor = string.format("%02X", math.floor(math.abs(30 - math.fmod(timer, 60)) / 30 * 0xFF));
gui.drawbox(7, 29, 249, 91, "#ff" .. warningboxcolor .. warningboxcolor);
FCEU.frameadvance();
end;
else
x_requires(6);
end;
function musicplayer()
resets = memory.readbyte(0x0115);
song = memory.readbyte(0x0002);
songlua = math.max(1, math.floor(resets / 45));
speed = memory.readbyte(0x0004);
speedde = memory.readbyte(0x0104); -- it's really an AND. But the only two values used are 0F and 07, so this modulous works.
pos = memory.readbyte(0x0000);
note = memory.readbyte(0x0001);
offsetb = song * 0x0100 + 0x4010 - 1;
offset = song * 0x0100 + pos - 1 + 0x4010;
note1 = 0x10 - math.floor(note / 0x10);
note2 = math.fmod(note, 0x10);
if note1 == 0x10 then note1 = 0 end;
text( 35, 42, string.format("Song Position: %02X%02X", song, pos));
text( 40, 50, string.format("ROM Offset: %04X", offset));
text( 43, 58, string.format("Song Speed: %02X", speed));
text(105, 66, string.format(" %02X", math.fmod(speedde, speed)));
lifebar(186, 21, 64, 4, note1, 15, "#8888ff", "#000066", false, "#ffffff");
lifebar(186, 29, 64, 4, note2, 15, "#8888ff", "#000066", false, "#ffffff");
text(178, 20, string.format("%X\n%X", note1, note2));
lifebar( 44, 67, 64, 4, math.fmod(speedde, speed), speed, "#8888ff", "#000066", false, "#ffffff");
if control.button(75, 90, 84, 1, "Toggle hex viewer") then
hexmap = not hexmap;
end;
if hexmap then
songdata = {};
songdata2 = {};
for i = 0x00, 0xFF do
if i >= songs[songlua]['st'] and i <= songs[songlua]['en'] or true then
o = string.format("%02X", rom.readbyte(offsetb + i));
else
o = "";
end;
x = math.fmod(i, 0x10);
y = math.floor(i / 0x70);
if not songdata2[x] then
songdata2[x] = {};
end;
if not songdata2[x][y] then
songdata2[x][y] = o;
-- songdata2[x][y] = string.format("%02X", y);
else
songdata2[x][y] = songdata2[x][y] .."\n".. o;
end;
end;
for x = 0, 0x0F do
text(29 + x * 14, 100 + 8 * 0, songdata2[x][0]);
text(29 + x * 14, 100 + 8 * 7, songdata2[x][1]);
text(29 + x * 14, 100 + 8 * 14, songdata2[x][2]);
end;
oboxx = 29 + math.fmod(pos, 0x10) * 14;
oboxy = 100 + 8 * math.floor(pos / 0x10);
c = "#ff0000";
if math.fmod(timer, 4) < 2 then
c = "#FFFFFF";
end;
box(oboxx, oboxy + 0, oboxx + 14, oboxy + 10, c);
end;
if pos >= songs[songlua]['en'] then --and pos == 0xFE then
if not songs[songlua]['xx'] then
memory.writebyte(0x0104, 0xFF);
-- text(50, 50, "LOCK");
else
memory.writebyte(0x0115, songs[songs[songlua]['xx']]['rv']);
memory.writebyte(0x0002, songs[songs[songlua]['xx']]['sv']);
memory.writebyte(0x0004, songs[songs[songlua]['xx']]['sp']);
memory.writebyte(0x0000, songs[songs[songlua]['xx']]['st']);
end;
end;
for id, val in pairs(songs) do
if id == songlua then
c = "#8888ff";
if math.fmod(timer, 4) < 2 then
c = "#FFFFFF";
end;
else
c = nil;
end;
if control.button(195, 33 + 11 * id, 57, 1, string.format("Play song %d", id), c, true) then
-- resetrequired = true;
-- memory.register(0x0104, nil);
memory.writebyte(0x0115, val['rv']);
memory.writebyte(0x0002, val['sv']);
memory.writebyte(0x0004, val['sp']);
memory.writebyte(0x0000, val['st']);
end;
end;
if resetrequired then
text(50, 85, "Please soft-reset game.");
if movie.framecount() == 0 then
resetrequired = false;
end;
end;
end;
songs = {
-- resets song `id` speed start end
{ rv = 0x2E, sv = 0x1B, sp = 0x0F, st = 0x00, en = 0xC6 },
{ rv = 0x5A, sv = 0x18, sp = 0x07, st = 0x00, en = 0xC2 },
{ rv = 0x87, sv = 0x06, sp = 0x0F, st = 0x00, en = 0x7F },
{ rv = 0xB4, sv = 0x16, sp = 0x0F, st = 0x50, en = 0xAF },
{ rv = 0xE1, sv = 0x1A, sp = 0x0F, st = 0x80, en = 0xF8, xx = 0x01 },
};
timer = 0;
hexmap = true;
while true do
timer = timer + 1;
input.update();
if memory.readbyte(0x0101) == 1 then
musicplayer();
else
filledbox(23, 49, 233, 130, "#000000");
text( 25, 50, "Normally you'd have to do something insane");
text( 52, 58, "like push RESET 45 times and");
text( 56, 66, "hold A+B on P2's controller.");
text( 28, 82, "Lucky for you, though, we borrowed this.");
text( 73, 90, "Feel free to use it.");
text( 73, 119, "(Yeah, we've got that)");
timer2 = math.fmod(timer, 60);
if timer2 >= 30 then timer2 = 60 - timer2; end;
timer2 = math.floor((timer2 / 30) * 255);
c = string.format("#%02X%02XFF", timer2, timer2);
if control.button(110, 106, 37, 1, " EASY ", c, "#ffffff") then
memory.writebyte(0x0101, 0x01);
memory.writebyte(0x0115, songs[2]['rv']);
memory.writebyte(0x0002, songs[2]['sv']);
memory.writebyte(0x0004, songs[2]['sp']);
memory.writebyte(0x0000, songs[2]['st']);
FCEU.softreset();
-- text(1, 1, 'woohoo');
end;
end;
FCEU.frameadvance();
end;