Implement object initial states parsing 🛋️.

src/containers/ResourceExplorer.js

@@ -18,6 +18,7 @@ const ResourceExplorer = ({ rom, res, resources }) => {
           <RoomsContainer
             rooms={resources.rooms}
             roomgfx={resources.roomgfx}
+            globdata={resources.globdata[0]}
           />
         }>
         <Route
@@ -26,6 +27,7 @@ const ResourceExplorer = ({ rom, res, resources }) => {
             <RoomsContainer
               rooms={resources.rooms}
               roomgfx={resources.roomgfx}
+              globdata={resources.globdata[0]}
             />
           }
         />

src/containers/RoomsContainer.js

@@ -11,7 +11,7 @@ import RoomTabs from '../components/RoomTabs';
 import Palettes from '../components/Palettes';
 import RoomGfx from '../components/RoomGfx';
 
-const RoomsContainer = ({ rooms, roomgfx }) => {
+const RoomsContainer = ({ rooms, roomgfx, globdata }) => {
   const { roomId } = useParams();
   const [hoveredObject, setHoveredObject] = useState(null);
   const [selectedObjects, setSelectedObjects] = useState([]);
@@ -32,7 +32,12 @@ const RoomsContainer = ({ rooms, roomgfx }) => {
     setRoom(room);
 
     // Clear the selected objects when the room changes.
-    const selectedObjects = Array(room?.header?.objectsNum || 0).fill(false);
+    const selectedObjects = Array(room?.header?.objectsNum || 0);
+    for (let i = 0; i < selectedObjects.length; i++) {
+      const objNum = room.objects[i].num;
+      const initialState = globdata.globdata[objNum];
+      selectedObjects[i] = !!(initialState & 0b10000000);
+    }
     setSelectedObjects(selectedObjects);
   }, [roomId]);
 

src/lib/parser/parseGlobdata.js

@@ -0,0 +1,23 @@
+import Parser from './parser.js';
+
+const parseGlobdata = (arrayBuffer, i = 0, offset = 0) => {
+  const parser = new Parser(arrayBuffer);
+  const metadata = {
+    id: i,
+    offset,
+    size: arrayBuffer.byteLength,
+  };
+
+  const globdata = [];
+
+  for (let i = 0; i < parser.length; i++) {
+    globdata.push(parser.getUint8());
+  }
+
+  return {
+    metadata,
+    globdata,
+  };
+};
+
+export default parseGlobdata;

src/lib/parser/parseRom.js

@@ -1,10 +1,12 @@
 import parseRooms from './parseRooms.js';
 import parseRoomGfx from './parseRoomGfx.js';
+import parseGlobdata from './parseGlobdata.js';
 import parsePreps from './parsePreps.js';
 
 const parseRom = (arrayBuffer, res) => {
   const rooms = [];
   const roomgfx = [];
+  const globdata = [];
   const preps = [];
 
   for (let i = 0; i < res?.rooms?.length; i++) {
@@ -25,6 +27,15 @@ const parseRom = (arrayBuffer, res) => {
     roomgfx.push(item);
   }
 
+  for (let i = 0; i < res?.globdata?.length; i++) {
+    const [offset, length] = res.globdata[i];
+
+    const buffer = arrayBuffer.slice(offset, offset + length);
+    const item = parseGlobdata(buffer, i, offset);
+    item.buffer = buffer;
+    globdata.push(item);
+  }
+
   for (let i = 0; i < res?.preplist?.length; i++) {
     const [offset, length] = res.preplist[i];
 
@@ -37,6 +48,7 @@ const parseRom = (arrayBuffer, res) => {
   return {
     rooms,
     roomgfx,
+    globdata,
     preps,
   };
 };

src/lib/resources.js

@@ -842,7 +842,7 @@ const proto = {
   //   [0x17f05, 0x0055], [0x1bf87, 0x003b], [0x17f05, 0x0055], [0x23fa9, 0x0045], [0x1ffbd, 0x0040],
   //   [0x1bfc2, 0x003c], [0x17f90, 0x003a], [0x17f90, 0x003a], [0x17f05, 0x0055], [0x13fab, 0x004b],
   // ],
-  // globdata: [[0x2ca11, 0x0307]],
+  globdata: [[0x2ca11, 0x0307]],
   // // sprite palette data
   // sprpals: [[0x0bfc1, 0x0010], [0x0bfd1, 0x0010]],
   // // associates costume IDs with sprite sets (indexes into SPRLENS/SPROFFS)