iconmaster5326 · November 27, 2025 17:29 · Nov 27, 2025 · Nov 27, 2025 · Nov 27, 2025
diff --git a/rvdatax.ksy b/rvdatax.ksy
@@ -1,5 +1,5 @@
 meta:
-  id: world
+  id: rvdatax
   endian: le
 doc: A `.rvdatax` file, used in Dragon Spirits.
 seq:

diff --git a/rvdatax.ksy b/rvdatax.ksy
@@ -0,0 +1,66 @@
+meta:
+  id: world
+  endian: le
+doc: A `.rvdatax` file, used in Dragon Spirits.
+seq:
+  - id: header
+    doc: Header information?
+    size: 3
+  - id: num_entries
+    doc: Number of entries.
+    type: varnum
+  - id: entries
+    doc: Entries.
+    type: entry
+    repeat: expr
+    repeat-expr: num_entries.value
+types:
+  varnum:
+    doc: A variable-length number.
+    seq:
+      - id: num_bytes
+        doc: The number of bytes this number is.
+        type: u1
+      - id: bytes_1
+        doc: The bytes composing this number.
+        type: u1
+        if: num_bytes == 0x01
+      - id: bytes_2
+        doc: The bytes composing this number.
+        type: u2
+        if: num_bytes == 0x02
+      - id: bytes_4
+        doc: The bytes composing this number.
+        type: u4
+        if: num_bytes == 0x04
+    instances:
+      value:
+        value: |
+          num_bytes == 0x00 ? 0 :
+          num_bytes == 0x01 ? bytes_1 :
+          num_bytes == 0x02 ? bytes_2 :
+          num_bytes == 0x04 ? bytes_4 :
+          (num_bytes - 5)
+  entry:
+    doc: A single entry in a file.
+    seq:
+      - id: magic1
+        doc: Magic number.
+        size: 4
+      - id: name
+        doc: The name of the entity.
+        type: str
+        encoding: UTF-8
+        terminator: 0x22 # "
+        consume: false
+      - id: magic2
+        doc: Magic number.
+        size: 1
+      - id: len_contents
+        doc: The byte length of entry contents.
+        type: varnum
+      - id: contents
+        doc: The contents of this entry.
+        type: str
+        encoding: UTF-8
+        size: len_contents.value
diff --git a/png_to_rvdata2.py b/png_to_rvdata2.py
@@ -0,0 +1,17 @@
+# Run this in the root directory of a RPG Maker project.
+
+import os
+
+POSTFIX = ".png"
+RVDATA2_HEADER = b"\x85\xa1\x39\x38\x3f\xd3\x3d\x6d"
+
+for dirname, dirs, files in os.walk(os.path.join(os.curdir, "Graphics")):
+    print(f"Walking through {dirname}...")
+    for file in files:
+        if file[-len(POSTFIX):] == POSTFIX:
+            infilename = os.path.join(dirname, file)
+            outfilename = infilename[:-len(POSTFIX)] + ".rvdata2"
+            print(f"Converting {infilename} to {outfilename}!")
+            with open(infilename, "rb") as infile:
+                with open(outfilename, "wb") as outfile:
+                    outfile.write(RVDATA2_HEADER + infile.read()[len(RVDATA2_HEADER):])
diff --git a/rvdata2_to_png.py b/rvdata2_to_png.py
@@ -0,0 +1,17 @@
+# Run this in the root directory of a RPG Maker project.
+
+import os
+
+POSTFIX = ".rvdata2"
+PNG_HEADER = b"\x89\x50\x4e\x47\x0d\x0a\x1a\x0a"
+
+for dirname, dirs, files in os.walk(os.path.join(os.curdir, "Graphics")):
+    print(f"Walking through {dirname}...")
+    for file in files:
+        if file[-len(POSTFIX):] == POSTFIX:
+            infilename = os.path.join(dirname, file)
+            outfilename = infilename[:-len(POSTFIX)] + ".png"
+            print(f"Converting {infilename} to {outfilename}!")
+            with open(infilename, "rb") as infile:
+                with open(outfilename, "wb") as outfile:
+                    outfile.write(PNG_HEADER + infile.read()[len(PNG_HEADER):])
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