1 files changed, 106 insertions, 0 deletions
diff --git a/VP-miscwork.lua b/VP-miscwork.lua
index 1818b30..1a5bc14 100644
--- a/VP-miscwork.lua
+++ b/VP-miscwork.lua
@@ -130,3 +130,109 @@ function process_cscript(fname, h, size, ext)
     script:destroy()
     font:destroy()
 end
+
+function process_carc(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 'carc'")
+    dump_mkdir(fname)
+    local nfiles = h:readU32()
+    local ret
+    if not dump_mode then
+        ret = Buffer(true)
+        ret:writeU32(nfiles)
+    end
+    
+    local index = {}
+    for i = 1, nfiles do
+        index[i] = {}
+        local offset = h:readU32()
+        index[i].extra = shr(offset, 24)
+        index[i].offset = andB(offset, 0xffffff)
+    end
+
+    index[nfiles + 1] = {}
+    index[nfiles + 1].extra = 0
+    index[nfiles + 1].offset = size
+
+    local outfile = {}
+    local script = nil
+    local font = nil
+    for i = 1, nfiles do
+        local tell = h:tell()
+        local handler = nil
+        local counter = 1
+        if index[i].extra == 3 then
+            handler = function(fname, h, size, ext)
+                if counter ~= 1 then error "Too many files" end
+                counter = counter + 1
+                return process_carc(fname, h, size, ext)
+            end
+        elseif dump_mode and index[i].extra == 2 then
+            if script then error "Can't have two scripts" end
+            handler = function(fname, h, size, ext)
+                if counter == 1 then
+                    log "taking script"
+                    script = Buffer(true)
+                    script:copyfrom(h)
+                else
+                    error "Too many files"
+                end
+                counter = counter + 1
+            end
+        elseif dump_mode and index[i].extra == 1 then
+            if font then error "Can't have two fonts" end
+            handler = function(fname, h, size, ext)
+                if counter == 1 then
+                    log "taking font"
+                    font = Buffer(true)
+                    font:copyfrom(h)
+                else
+                    error "Too many files"
+                end
+                counter = counter + 1
+            end
+        elseif not dump_mode and index[i].extra == 2 then
+            error "Not written yet"
+        elseif not dump_mode and index[i].extra == 1 then
+            error "Not written yet"
+        end
+        local fsize = index[i + 1].offset - index[i].offset
+        outfile[i] = process_single_file(fname .. string.format("/%04i-%08X", i, index[i].extra), h, fsize, ext, handler)
+        
+        if handler and script and font then
+            if dump_mode then
+                second_style_script = true
+                extract_simple_script(fname .. string.format("/%04i", i), script, font)
+                second_style_script = false
+            end
+            script:destroy()
+            font:destroy()
+            script = nil
+            font = nil
+        end
+        h:seek(tell + fsize)
+    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