1 files changed, 59 insertions, 0 deletions
diff --git a/VP-miscwork.lua b/VP-miscwork.lua
new file mode 100644
index 0000000..31f7e92
--- /dev/null
+++ b/VP-miscwork.lua
@@ -0,0 +1,59 @@
+function process_arcgfx(fname, h, size, ext)
+    log("Processing " .. fname .. "." .. ext)
+    if dump_mode then
+        o = Output(fname .. "." .. ext)
+        o:copyfrom(h, size)
+        o:destroy()
+        h:seek(-size, SEEK_CUR)
+    end
+    log("Extracting " .. fname .. " - format 'arcgfx'")
+    dump_mkdir(fname)
+    local nfiles = h:readU32()
+    local extra = h:readU32()
+    local ret
+    if dump_mode then
+        o = Output(fname .. "/--extra.bin")
+        o:writeU32(extra)
+        o:destroy()
+        o = Output(fname .. string.format("/0000-%08X", extra))
+        o:writeU32(extra)
+        o:destroy()
+    else
+        ret = Buffer(true)
+        ret:writeU32(nfiles)
+        ret:writeU32(extra)
+    end
+    
+    index = {}
+    for i = 1, nfiles do
+        index[i] = {}
+        index[i].extra = h:readU32()
+        index[i].size = h:readU32()
+    end
+    
+    local tell
+    local outfile = {}
+    for i = 1, nfiles do
+        tell = h:tell()
+        outfile[i] = process_single_file(fname .. string.format("/%04i-%08X", i, index[i].extra), h, index[i].size, ext)
+        h:seek(tell + index[i].size)
+    end
+    
+    if not dump_mode then
+        for i = 1, nfiles do
+            local alignment_bytes = alignment(outfile[i]:getsize(), 4)
+            for j = 1, alignment_bytes do
+                outfile[i]:writeU8(0)
+            end
+            ret:writeU32(index[i].extra)
+            ret:writeU32(outfile[i]:getsize())
+        end
+        for i = 1, nfiles do
+            ret:copyfrom(outfile[i])
+            outfile[i]:destroy()
+        end
+    end
+    
+--    return ret
+end
+