Someone on the discord was inquiring about writing a new file for this game as they had some plugin source code but some issue. the person wasn't able to share the source code so I ended up reversing the format myself so that I would be able to read and write models to the format.
Anyway here is a incomplete script, it only parses the file but the blocks are not researched so I dont know what anything means.
Hopefully it serves a a baseline for anyone wanting to write a (open source) plugin in the future
Code: Select all
clearlistener()
struct rgm_weight (
count = 0
)
struct rgm_mat (
name = "",
id = 0
)
struct rgm_table2 (
unk1 = 0,
unk2 = 0,
unk3 = 0,
unk4 = 0,
transform = (matrix3 1)
)
struct rgm_bones (
name = "",
child = 0,
parent = 0
)
struct rgm_file (
filetype = "Delight3D 3D DynamicObjectFile",
unk1 = 0,
unk2 = 2,
unk3 = #(0xDE, 0xDE, 0xDE, 0xFF, 0xFF, 0xFF, 0x1E, 0x1E, 0x1E),
nodes = #(),
unk4 = 0,
unk5 = 0,
unk6 = #(),
unk7 = 0,
unk8 = #(),
face_count = 0,
face_array = #(),
unk9 = 0,
unk10 = 0,
unk11 = 0,
unk12 = 0,
unk13 = 0,
mat_array = #(),
weight_count = 0,
weight_array = #()
)
fn ReadFixedString &bstream fixedLen = (
local str = ""
for i = 1 to fixedLen do (
str += bit.intAsChar (ReadByte bstream #unsigned)
)
str
)
fn read_bone &arr &f = (
local i = 1
append arr (rgm_bones name:(readstring f) child:(readbyte f #unsigned))
for i = 1 to arr[arr.count].child do read_bone arr f
)
fn import file = (
local rgm = rgm_file()
local f = undefined, i = 1, b = 0, a = 0, fs = 0
f = try(fopen file "rbS")catch(undefined)
if f != undefined then (
rgm.filetype = ""
if (readlong f #unsigned) == 0x696C6544 do (
fseek f 0 #seek_set
fs = getFileSize file
if fs >= 30 do (
rgm.filetype = ReadFixedString f 30
)
)
if rgm.filetype == "Delight3D 3D DynamicObjectFile" then (
rgm.unk1 = readbyte f #unsigned
rgm.unk2 = readbyte f #unsigned
rgm.unk3[1] = readbyte f #unsigned
rgm.unk3[2] = readbyte f #unsigned
rgm.unk3[3] = readbyte f #unsigned
rgm.unk3[4] = readbyte f #unsigned
rgm.unk3[5] = readbyte f #unsigned
rgm.unk3[6] = readbyte f #unsigned
rgm.unk3[7] = readbyte f #unsigned
rgm.unk3[8] = readbyte f #unsigned
rgm.unk3[9] = readbyte f #unsigned
read_bone rgm.nodes f
-- hmmm, it overran...
fseek f -4 #seek_cur
rgm.unk4 = readlong f #unsigned
rgm.unk5 = readlong f #unsigned
do (
a = readlong f #unsigned
b = readbyte f #unsigned
if b == 0x2A then (
append rgm.unk6 (
rgm_table2 \
unk1:(a) \
unk2:(b) \
unk3:(readshort f #unsigned) \
unk4:(readshort f #unsigned) \
transform:(
matrix3 \
[readfloat f, readfloat f, readfloat f] \
[readfloat f, readfloat f, readfloat f] \
[readfloat f, readfloat f, readfloat f] \
[readfloat f, readfloat f, readfloat f]
)
)
) else (fseek f -5 #seek_cur)
) while b == 0x2A
rgm.unk6 = readlong f #unsigned -- count
rgm.unk7 = readbyte f #unsigned -- 0
if rgm.unk6 > 0 do rgm.unk8[rgm.unk6] = #(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0)
for i = 1 to rgm.unk6 do (
rgm.unk8[1] = readfloat f
rgm.unk8[2] = readfloat f
rgm.unk8[3] = readfloat f
rgm.unk8[4] = readfloat f
rgm.unk8[5] = readfloat f
rgm.unk8[6] = readfloat f
rgm.unk8[7] = readfloat f
rgm.unk8[8] = readfloat f
)
rgm.face_count = readlong f #unsigned
if rgm.face_count > 0 do rgm.face_array[rgm.face_count] = [1, 2, 3]
for i = 1 to rgm.face_count do (
rgm.face_array = [readshort f #unsigned, readshort f #unsigned, readshort f #unsigned] + 1
)
rgm.unk9 = readlong f #unsigned
rgm.unk10 = readlong f #unsigned
rgm.unk11 = readlong f #unsigned
rgm.unk12 = readlong f #unsigned
rgm.unk13 = readlong f #unsigned -- count for materials?
if rgm.unk13 > 0 do rgm.mat_array[rgm.unk13] = rgm_mat()
for i = 1 to rgm.unk13 do (
rgm.mat_array[i] = (rgm_mat name:(ReadFixedString f 40) id:(readbyte f #unsigned))
)
readbyte f #unsigned
while ftell f < fs do (
b = readlong f #unsigned
case b of (
1: fseek f 16 #seek_cur
2: fseek f 40 #seek_cur
default: (
format "Stop on %\n" i
format "new id:%\n" b
exit
)
)
)
print (ftell f)
) else (messagebox "Wrong File Type")
) else (messagebox "Failed to Open")
print "Done"
)
import "C:\\tmp\\AudtionOnline\\fh_c4995.rgm"
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