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BizHawk/Assets/Lua/Genesis/The Adventures of Batman an...

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-- The Adventures of Batman and Robin
-- 2013-2024, feos and r57shell
-- GLOBALS --
MsgTable = {}
MsgTime = 16
MsgOffs = 24
MsgCutoff = 60
RNGcount = 0
SpawnCount = 0
SpawnDelay = 0
SpawnX = 0
SpawnY = 0
Enemies = 0
Items = 0
Hearts = 0
-- SHORTCUTS --
rb = memory.read_u8
rbs = memory.read_s8
rw = memory.read_u16_be
rws = memory.read_s16_be
rl = memory.read_u32_be
rls = memory.read_s32_be
rex = event.onmemoryexecute
getr= emu.getregister
box = gui.drawBox
text= gui.pixelText
line= gui.drawLine
memory.usememorydomain("M68K BUS")
userdata.set("SpawnCount", 0)
userdata.set("SpawnOpac", 192)
function ToSigned16(num)
if num > 32768 then
num = num - (2 * 32768)
return num
else return num
end
end
function FitX(x, text)
local length = 0
if text ~= nil then length = string.len(text)*5 end
if x < 0 then x = 0
elseif x+length > 319 then x = 319-length end
return x
end
function FitY(y)
if y < 0 then y = 0
elseif y > 210 then y = 210 end
return y
end
function GetCam()
xcam = rws(0xFFDFC4)
if rb(0xFFFFF6) == 50 then
ycam = rws(0xFFDFE0)-20
else
ycam = 0
end
end
function EnemyPos(Base)
GetCam()
x1 = rws(Base + 0x12) - xcam
y1 = rws(Base + 0x14) - ycam
x2 = rws(Base + 0x16) - xcam
y2 = rws(Base + 0x18) - ycam
hp = rws(Base + 0x1E)
end
function PlayerPos()
local sbase1 = rw(0xFFAD5C) + 0xFF0000
local sbase2 = rw(0xFFADB6) + 0xFF0000
p1speedx = rls(sbase1 + 0x18) / 0x10000
p1speedy = rls(sbase1 + 0x1C) / 0x10000
p2speedx = rls(sbase2 + 0x18) / 0x10000
p2speedy = rls(sbase2 + 0x1C) / 0x10000
LIFT = rw(0xFF9024)
end
function HandleMsgTable(clear)
for i = 1, #MsgTable do
if clear then
MsgTable[i] = nil
end
if MsgTable[i] then
GetCam()
if MsgTable[i].y_ > MsgCutoff then
MsgY1 = 0
MsgY2 = 6
else
MsgY1 = 203
MsgY2 = 203
end
line(i * MsgOffs + 3, MsgY2,
MsgTable[i].x_ - xcam, MsgTable[i].y_,
0xFF0000 + (MsgTable[i].timer_ << 28))
text(i * MsgOffs , MsgY1, MsgTable[i].damage_, "red")
MsgTable[i].timer_ = MsgTable[i].timer_ - 1
if MsgTable[i].timer_ <= 0 then
MsgTable[i] = nil
end
end
end
end
function HandleDamage()
local damage = getr("M68K D0") & 0xFFFF
local base = getr("M68K A2") & 0xFFFFFF
-- print(string.format("%X", getr("M68K PC")))
EnemyPos(base)
unit = {
timer_ = MsgTime,
damage_ = damage,
x_ = x1 + xcam,
y_ = y1
}
for i = 1, 200 do
if MsgTable[i] == nil then
MsgTable[i] = unit
break
end
end
end
function Collision()
GetCam()
local a0 = getr("M68K A0") & 0xFFFFFF
local a6 = getr("M68K A6") & 0xFFFFFF
local wx1 = ToSigned16(getr("M68K D4") & 0xFFFF) - xcam
local wy1 = ToSigned16(getr("M68K D5") & 0xFFFF) - ycam
local wx2 = ToSigned16(getr("M68K D6") & 0xFFFF) - xcam
local wy2 = ToSigned16(getr("M68K D7") & 0xFFFF) - ycam
local id = rw(a6 + 2)
local damage = rw(a6 + 0x12)
-- text(wx2 + 2, wy1 + 1, string.format("%X",a6))
if damage == 0 then
damage = rw(a0 + 0x34)
end
if DamageHitbox then
box(wx1, wy1, wx2, wy2, 0xFFFF0000)
text(wx1 + 2, wy1 + 1, damage)
else
box(wx1, wy1, wx2, wy2, 0xFFFFFF00)
if id == 0x53B4 then Hearts = Hearts + 1 end
end
end
function InRange(var, num1, num2)
if var >= num1 and var <= num2
then return true
end
end
function Item()
GetCam()
local a6 = getr("M68K A6") & 0xFFFFFF
local x = rw(a6 + 0x3E) - xcam
local y = rw(a6 + 0x42)
local code = rb(a6 + 0x19)
if InRange(code, 0, 1) then return
elseif InRange(code, 7, 19) then item = "Amo" -- ammo
elseif InRange(code, 21, 23) then item = "Cha" -- fast charge
elseif InRange(code, 24, 26) then item = "Bom" -- bomb
elseif InRange(code, 27, 29) then item = "Lif" -- life
elseif InRange(code, 30, 47) then item = "HiP" -- hearts
else item = tostring(code)
end
text(x-7, y, string.format("%s" , item ), "yellow")
-- text(x-7, y, string.format("\n%X", a6+0x19), "yellow")
end
function Hitbox(address)
local i = 0
local base = rw(address)
while (base ~= 0) do
base = base + 0xFF0000
if rw(base + 2) == 0 then break end
EnemyPos(base)
if address == 0xFFDEB2 then
box(x1, y1, x2, y2, 0xFF00FF00)
elseif address == 0xFFDEBA then
box(x1, y1, x2, y2, 0xFF00FFFF)
text(FitX(x1, hp) + 2, FitY(y1) + 1, hp, 0xFFFF00FF)
-- if x2 < 0 then text(x1 + 2, y2 - 7, "x:" .. x1 ) end
-- if x1 >= 320 then text(x1 + 2, y2 - 7, "x:" .. x1 - 320) end
-- if y2 < 0 then text(x2 + 2, y2 - 7, "y:" .. y2 ) end
local offtext = ""
if x2 < 0 then offtext = offtext .. "x:" .. x1 end
if x1 >= 320 then offtext = offtext .. "x:" .. x1 - 320 end
if y2 < 0 then offtext = offtext .. "y:" .. y2 end
if y2 >= 224 then offtext = offtext .. "y:" .. y2 - 224 end
if offtext ~= "" then
text(FitX(x1, offtext), FitY(y1) - 7, offtext)
end
end
base = rw(base + 2)
i = i + 1
if i > 400 then break end
end
end
function Objects()
local level = rw(0xFFFFF5)
if level ~= 818 and level ~= 1026 then return end
Enemies = 0
Items = 0
GetCam()
local base = 0xFFAD54
for i=0,100 do
local link = rw (base+ 6)
local ptr1 = rw (base+0x0A)+0xFF0000
local ptr2 = rl (ptr1+0x2A)
local delay = rl(base+0x2E) >> 8
local x = rws(base+0x3E)
local xsub = rb (base+0x40)
local y = rws(base+0x42)
local ysub = rb (base+0x44)
local hp = rw (base+0x52)
-- local code = rw (ptr2)
if base > 0 then
if ptr2 == 0x27DEE -- helicopter black
or ptr2 == 0x27F9C -- helicopter red
or ptr2 == 0x2804E -- plane black
or ptr2 == 0x28134 -- helicopter green
or ptr2 == 0x282B8 -- plane red
or ptr2 == 0x2860A -- missile
or ptr2 == 0x28DD2 -- helicopter red phase 1
or ptr2 == 0x28E08 -- helicopter red phase 2
then
Enemies = Enemies + 1
elseif ptr2 == 0x13326
or ptr2 == 0x13BDE
then
Items = Items + 1
else
-- text(x - xcam, y - ycam, string.format("%X", ptr2), "green")
end
if delay > 0 and delay < 1000 then
SpawnDelay = delay
-- print(string.format("%X: %X", base+0x2E, delay))
end
end
base = link + 0xFF0000
local a5 = rl(base)
if a5 == 0x88BE then return end
end
end
function Spawns()
local level = rw(0xFFFFF5)
if level ~= 818 and level ~= 1026 then return end
local base = getr("M68K A6") & 0xFFFFFF
local ptr1 = rw(base+0x0A) + 0xFF0000
local ptr2 = rl(ptr1+0x2A)
local code = rw(ptr2)
local text = ""
SpawnX = rws(base+0x3E) - xcam
SpawnY = rws(base+0x42) - ycam
if ptr2 == 0x3A6E2 then text = "HOMING"
elseif ptr2 == 0x3A5C6 then text = "SCROLLING"
elseif ptr2 == 0x3A81E then text = "LONG 1"
elseif ptr2 == 0x3A778 then text = "LONG 2"
else text = "UNKNOWN"
end
if code ~= 0xAE6 -- drone
and code ~= 0xAF2 -- mini-missile
and code ~= 0x2384 -- item
then
userdata.set("SpawnOpac", 192)
userdata.set("SpawnCount", userdata.get("SpawnCount") + 1)
-- print(string.format("%02d - %X - %s", userdata.get("SpawnCount"), ptr2, text))
end
end
function CalculateDelay()
local d0 = getr("M68K D0") >> 8
local d1 = getr("M68K D1") >> 8
print(string.format("Random spawn delay: %d + %d", d1, d0))
end
function PredictItem(rng)
rng = rng & 0xFFFF
local a2 = 0x29B78
local d0 = 0
local carry = rw(a2) > rng
a2 = a2 + 2
if carry then
a2 = a2 + 2
while rw(a2) > rng do
a2 = a2 + 4
end
a2 = a2 + 2
end
a2 = a2 + rw(a2) + 2
if a2 == 0x29BBA then a2 = 0 end
return rw(a2) & 0xFF
end
function RNGroll(seed1, seed2) -- subroutine $995C
local d0 = seed1
local d1 = seed2
d1 = (d1 << 1) | (d1 >> 31) -- ROL.L #1,D1
d1 = ((d1 & 0xFFFF) ~ d0) | (d1 & 0xFFFF0000) -- EOR.W D0,D1
d1 = ((d1 & 0xFFFF) << 16) | (d1 >> 16) -- SWAP.W D1
d0 = (d1 ~ d0) & 0xFFFF -- EOR.W D1,D0
d0 = ((d0 << 1) & 0xFFFF) | ((d0 << 1) >> 16) -- ROL.W #1,D0
d1 = ((d1 & 0xFFFF) ~ d0) | (d1 & 0xFFFF0000) -- EOR.W D0,D1
d1 = ((d1 & 0xFFFF) << 16) | (d1 >> 16) -- SWAP.W D1
d0 = ((d1 & 0xFFFF) ~ d0) -- EOR.W D1,D0
return {(d0 & 0xFFFF), d1}
end
function ItemPrediction()
local RNG1 = rw (0xFFF5FC)
local RNG2 = rl (0xFFF5FE)
local RNG = RNGroll(RNG1, RNG2)
local RNG = RNGroll(RNG[1], RNG[2])
local item = PredictItem(RNG[1])
gui.text(0, 170, string.format("%2X", item),"yellow")
end
function Main()
local color0 = "yellow"
local color1 = "yellow"
local color2 = "yellow"
local base1 = 0xFFAD54
local base2 = 0xFFADAE
-- local hp1 = rw (0xFFF654)
-- local life1 = rw (0xFFF644)
local level = rw (0xFFFFF5)
local X1 = rw (base1 + 0x3E)
local X1sub = rb (base1 + 0x40)
local Y1 = rws(base1 + 0x42)
local Y1sub = rb (base1 + 0x44)
local X2 = rw (base2 + 0x3E)
local X2sub = rb (base2 + 0x40)
local Y2 = rws(base2 + 0x42)
local Y2sub = rb (base2 + 0x44)
local RNG1 = rw (0xFFF5FC)
-- local RNG2 = rl (0xFFF5FE)
local Weapon1 = rb (0xFFF67B)
local Weapon2 = rb (0xFFF6BB)
local Charge1 = (rw(0xFFF658) - 0x2800) / -0x80
local Charge2 = (rw(0xFFF698) - 0x2800) / -0x80
local ScreenLock = rw (0xFFDFC0)
if Charge1 <= 0 then Charge1 = 0 color1 = "red" end
if Charge2 <= 0 then Charge2 = 0 color2 = "red" end
if RNGcount > 1 then color0 = "red" end
HandleMsgTable()
PlayerPos()
Objects()
if level == 818 or level == 1026 then
line(30, 42, SpawnX, SpawnY, 0x00FF00 + (userdata.get("SpawnOpac") << 24))
text( 0, 35, string.format("Obj: %d", userdata.get("SpawnCount")), 0xFF00FF00)
text( 0, 49, string.format("%d %d %s", Enemies, Items, Hearts/2))
if SpawnDelay > 0 and SpawnDelay < 1000 then
text(0, 42, string.format("Del: %d", SpawnDelay), "yellow")
end
end
text( 1, 217, string.format("RNG:%X" , RNG1))
text( 40, 217, string.format("Lock:%d" , ScreenLock))
text( 81, 210, string.format("Pos: %d.%d\nSpd: %.5f", X1, X1sub, p1speedx))
text(137, 210, string.format("/ %d.%d\n/ %.5f" , Y1, Y1sub, p1speedy))
text( 80, 22, string.format("%2.0f" , Charge1), color1)
-- text(235, 20, string.format("%2.0f" , Charge2), color2)
text( 34, 217, string.format("%d" , RNGcount), color0)
text(180, 217, string.format("%2d" , Weapon1+1), "yellow")
-- text(300, 217, string.format("%2d" , Weapon2+1), "yellow")
-- text(203, 210, string.format("Pos: %d.%d\nSpd: %.5f", X2, X2sub, p2speedx), 0xFF00FF00)
-- text(260, 210, string.format("/ %d.%d\n/ %.5f" , Y2, Y2sub, p2speedy), 0xFF00FF00)
Hitbox(0xFFDEB2)
Hitbox(0xFFDEBA)
RNGcount = 0
if rb(0xFF4633) == 5 then
text(143,3,string.format(" %2d", LIFT), 0xFFFF00FF, clear)
end
DER = rw(0xFFAEA0)
text(135,3,string.format(" %2d", DER), 0xFFFF00FF, clear)
-- emu.frameadvance()
-- gui.clearGraphics()
end
event.onframeend(function()
local spawnOpac = userdata.get("SpawnOpac") - 4
if spawnOpac < 0 then spawnOpac = 0 end
userdata.set("SpawnOpac", spawnOpac)
Main()
end)
event.onframestart(function()
SpawnDelay1 = 0
SpawnDelay2 = 0
Hearts = 0
ItemPrediction()
end)
event.onloadstate(function()
Enemies = 0
Items = 0
Hearts = 0
SpawnCount = 0
return HandleMsgTable(1)
end)
rex(function() DamageHitbox = false end , 0x375A, "DamageHitbox-")
rex(function() DamageHitbox = true end , 0x375E, "DamageHitbox+")
rex(function() DamageHitbox = false end , 0x3768, "DamageHitbox-")
rex(function() DamageHitbox = true end , 0x376C, "DamageHitbox+")
rex(function() DamageHitbox = false end , 0x65C4, "DamageHitbox-")
rex(function() DamageHitbox = true end , 0x65C8, "DamageHitbox+")
rex(CalculateDelay , 0x6ADE, "Delay")
rex(function() RNGcount = RNGcount + 1 end, 0x995C, "RNGcount++")
rex(Item , 0x4738, "Item")
rex(Item , 0x4534, "Item")
rex(Spawns , 0x8DE6, "Spawns")
rex(Spawns , 0x8DCE, "Spawns")
rex(Collision , 0x8C9A, "Collision")
rex(HandleDamage , 0x1085A, "MeeleeDamage")
rex(HandleDamage , 0x10CBA, "WeaponDamage")
rex(HandleDamage , 0x10CC4, "WeaponDamage")
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