I'll need the ram addresses and algorithms for most of that. The critical hit script I was working off of only looked at one monster, and there are as many as five enemy slots.
What I have:
Language: lua
-- Definitions and relative addresses are referencing http://wiki.qhimm.com/view/FF7/Battle/Battle_Mechanics
rng_index = 0x62e18
rng_table = 0x62e10
enemies = {
["levels"] = {
[0]=0xf8589,
[1]=0x0,
[2]=0x0,
[3]=0x0,
[4]=0x0
},
["health"] = {
[0]=0x0,
[1]=0x0,
[2]=0x0,
[3]=0x0,
[4]=0x0
},
["ATB"] = {
[0]=0x0,
[1]=0x0,
[2]=0x0,
[3]=0x0,
[4]=0x0
}
}
team = {
["levels"] = {
[0]=0xf83e9,
[1]=0xf8451,
[2]=0xf84b9
},
["luck"] = {
[0]=0xf83f5,
[1]=0xf845d,
[2]=0xf84c5
},
["charindex"] = {
[0]=0x0,
[1]=0x0,
[2]=0x0
},
["ATB"] = {
[0]=0x0,
[1]=0x0,
[2]=0x0
},
["Limit"] = {
[0]=0x0,
[1]=0x0,
[2]=0x0
}
}
function getAeri(value)
if (value >= 0x100) then
newvalue = value % 256
getAeri(newvalue)
elseif (value >=0) then
timer = bit.band(bit.ror(value,4),1)
if timer == 0 then
return "Aeris"
elseif timer == 1 then
return "Aerith"
else
return "error in function getAeri() - timer is neither odd nor even"
end
else
return "error in function getAeri() - was passed negative value"
end
end
protags = {
[0] = "Cloud",
[1] = "Barret",
[2] = "Tifa",
[3] = "The Slum Drunk", -- This gets overwritten by the GetAeri() function anyway
[4] = "Red XIII",
[5] = "Cait Sith",
[6] = "Cid",
[7] = "Yuffie", -- The Young Cloud/Sephiroth flags are unneccesary for the purposes of this script,
[8] = "Vincent" -- as those battles should only slow down to Sephiroth reviving Young Cloud.
}
function generateCrit(luck, level, foelevel)
sum = mainmemory.read_u8(luck) + mainmemory.read_u8(level) - mainmemory.read_u8(foelevel)
div = math.floor(sum / 4)
return div
end
function generateRNG(addr1, addr2, addr3)
table_offset = mainmemory.read_s32_le(addr3)
step1 = mainmemory.read_u8(addr2 + (table_offset + 1)) % 8
step2 = mainmemory.read_u8(addr1 + step1)
step3 = mainmemory.read_u8(addr2 + (table_offset + 2)) % 8
step4 = mainmemory.read_u8(addr1 + step3)
step5 = bit.lshift(step4, 0x8)
step6 = step2 + step5
return math.floor((step6*99)/0xFFFF)+1
end
while true do
--[[crit_table = {}
for i = 0, 2 do
for j = 0, 4 do
crit_table[i][j] = generateCrit(team.luck[i], team.level[i], enemies.level[j]
end
end]]
rindex = mainmemory.read_u8(rng_index)
rvalue = mainmemory.read_u8(rng_table + rindex)
crit_rng = generateRNG(0x83084, rng_table, rng_index)
gui.text(0, 20, "RNG Index " .. rindex .. " = " .. rvalue)
gui.text(0, 40, " Crit RNG = " .. crit_rng)
gui.text(0, 60, " " .. getAeri(rvalue)) -- Pass rindex for version 1 behavior, pass rvalue for version 2 behaviour, pass crit_rng for version 3 bahevir.
emu.frameadvance()
end
