static IEnumerable <CodeInstruction> Transpiler(IEnumerable <CodeInstruction> instructions, MethodBase original) { var codes = instructions.ToCodeList(); int iGetSegment1 = codes.Search(c => c.Calls(mGetSegment), count: 1); int iStSegmentID1 = codes.Search(c => c.IsStloc(), startIndex: iGetSegment1); var ldSegmentID1 = TranspilerUtils.BuildLdLocFromStLoc(codes[iStSegmentID1]); int iGetSegment2 = codes.Search(c => c.Calls(mGetSegment), count: 1); int iStSegmentID2 = codes.Search(c => c.IsStloc(), startIndex: iGetSegment2); var ldSegmentID2 = TranspilerUtils.BuildLdLocFromStLoc(codes[iStSegmentID2]); codes.InsertInstructions(iStSegmentID2 + 1, new[] { ldSegmentID1, ldSegmentID2, new CodeInstruction(OpCodes.Call, ShiftData.mPrefix), }); // DC part of the code is before m_requireSegmentRenderers int i_requireSegmentRenderers = codes.Search(c => c.LoadsField(f_requireSegmentRenderers)); codes.InsertInstructions(i_requireSegmentRenderers, new[] { new CodeInstruction(OpCodes.Call, ShiftData.mPostfix), }); return(codes); }
public static IEnumerable <CodeInstruction> Transpiler(ILGenerator il, IEnumerable <CodeInstruction> instructions) { var netSegmentInfoGetter = typeof(global::NetSegment).GetProperty("Info")?.GetGetMethod(); if (netSegmentInfoGetter == null) { Debug.LogError("Necessary field not found. Cancelling transpiler!"); return(instructions); } var originalCodes = new List <CodeInstruction>(instructions); var codes = new List <CodeInstruction>(originalCodes); var index = 0; CodeInstruction infoLocalVarLdloc = null; for (; index < codes.Count; index++) { // IL_0003: call instance class NetInfo NetSegment::get_Info() if (codes[index].opcode == OpCodes.Call && codes[index].operand == netSegmentInfoGetter && TranspilerUtils.IsStLoc(codes[index + 1])) { infoLocalVarLdloc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 1]); index += 2; break; } } if (infoLocalVarLdloc == null) { Debug.LogError("NetSegmentCalculateGroupDataPatch: info local variable not found. Cancelling transpiler!"); return(originalCodes); } var segmentIdLdInstruction = new CodeInstruction(OpCodes.Ldarg_1); // segmentID is first argument if (!NetSegmentRenderPatch.PatchLanesAndSegments(il, codes, infoLocalVarLdloc, segmentIdLdInstruction, ref index)) { Debug.LogError("NetSegmentCalculateGroupDataPatch: Could not apply NetSegmentRenderPatch. Cancelling transpiler!"); return(originalCodes); } return(codes); }
public static IEnumerable <CodeInstruction> Transpiler(ILGenerator il, IEnumerable <CodeInstruction> instructions) { var originalInstructions = new List <CodeInstruction>(instructions); var netInfoCreatePavementField = typeof(NetInfo).GetField("m_createPavement"); var netInfoFlattenTerrainField = typeof(NetInfo).GetField("m_flattenTerrain"); var segmentSkinsField = typeof(NetworkSkinManager).GetField("SegmentSkins", BindingFlags.Static | BindingFlags.Public); var terrainSurfacePatcherApplyMethod = typeof(TerrainSurfacePatcher).GetMethod("Apply"); var terrainSurfacePatcherRevertMethod = typeof(TerrainSurfacePatcher).GetMethod("Revert"); if (netInfoCreatePavementField == null || netInfoFlattenTerrainField == null || segmentSkinsField == null || terrainSurfacePatcherApplyMethod == null || terrainSurfacePatcherRevertMethod == null) { Debug.LogError("NetNodeTerrainUpdatedPatch: Necessary field and methods not found. Cancelling transpiler!"); return(originalInstructions); } var codes = new List <CodeInstruction>(originalInstructions); var patcherStateLocalVar = il.DeclareLocal(typeof(TerrainSurfacePatcherState)); patcherStateLocalVar.SetLocalSymInfo("patcherState"); int index = 0; CodeInstruction num14LocalVarLdLoc = null; CodeInstruction num13LocalVarLdLoc = null; CodeInstruction info4LocalVarLdLoc = null; CodeInstruction netInfo2LocalVarLdLoc = null; CodeInstruction segment7LocalVarLdLoc = null; CodeInstruction num6LocalVarLdLoc = null; for (; index < codes.Count; index++) { // NetInfo netInfo2 = (num14 > num13 >> 1) ? netInfo : info4; //IL_0a41: ldloc.s 74 (num14) //IL_0a43: ldloc.s 71 (num13) //IL_0a45: ldc.i4.1 //IL_0a46: shr //IL_0a47: bgt IL_0a53 //IL_0a4c: ldloc.s 40 (info4) //IL_0a4e: br IL_0a55 //IL_0a53: ldloc.s 48 (netInfo) //IL_0a55: stloc.s 75 (netInfo2) if (codes[index].opcode == OpCodes.Shr && TranspilerUtils.IsLdLoc(codes[index - 3]) && TranspilerUtils.IsLdLoc(codes[index - 2]) && codes[index - 1].opcode == OpCodes.Ldc_I4_1 // shr && codes[index + 1].opcode == OpCodes.Bgt && TranspilerUtils.IsLdLoc(codes[index + 2]) && codes[index + 3].opcode == OpCodes.Br && TranspilerUtils.IsLdLoc(codes[index + 4]) && TranspilerUtils.IsStLoc(codes[index + 5]) ) { TranspilerUtils.LogDebug("Found NetInfo netInfo2 = (num14 > num13 >> 1) ? netInfo : info4;"); num14LocalVarLdLoc = TranspilerUtils.BuildLdLocFromLdLoc(codes[index - 3]); num13LocalVarLdLoc = TranspilerUtils.BuildLdLocFromLdLoc(codes[index - 2]); info4LocalVarLdLoc = TranspilerUtils.BuildLdLocFromLdLoc(codes[index + 2]); // 40 var netInfoLocalVarLdLoc = TranspilerUtils.BuildLdLocFromLdLoc(codes[index + 4]); // 48 netInfo2LocalVarLdLoc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 5]); // 75 var findIndex = 0; segment7LocalVarLdLoc = FindSegment7LocalVar(codes, TranspilerUtils.BuildStLocFromLdLoc(info4LocalVarLdLoc), ref findIndex, index - 3); // 38 num6LocalVarLdLoc = FindNum6LocalVar(codes, TranspilerUtils.BuildStLocFromLdLoc(netInfoLocalVarLdLoc), ref findIndex, index - 3); // 51 break; } } if (num14LocalVarLdLoc == null || num13LocalVarLdLoc == null || info4LocalVarLdLoc == null || netInfo2LocalVarLdLoc == null || segment7LocalVarLdLoc == null || num6LocalVarLdLoc == null) { Debug.LogError("NetNodeTerrainUpdatedPatch: Some local variables not found! Cancelling transpiler!"); Debug.LogError($"num14: {num14LocalVarLdLoc}, num13: {num13LocalVarLdLoc}, info4: {info4LocalVarLdLoc}, netInfo2: {netInfo2LocalVarLdLoc}, segment7: {segment7LocalVarLdLoc}, num6: {num6LocalVarLdLoc}"); return(originalInstructions); } // segment7 is the segmentID of info4 // num6 is the segmentID of netInfo // TerrainSurfacePatcherState patcherState = TerrainSurfacePatcher.Apply(netInfo, NetworkSkinManager.SegmentSkins[(int)((num14 > num13 >> 1) ? num6 : segment7)]); // bool flag8 = netInfo2.m_createPavement && (!netInfo2.m_lowerTerrain || (m_flags & Flags.OnGround) != Flags.None); var apply1Inserted = false; for (; index < codes.Count; index++) { // bool flag8 = netInfo2.m_createPavement && (!netInfo2.m_lowerTerrain || (m_flags & Flags.OnGround) != Flags.None); if (TranspilerUtils.IsSameInstruction(codes[index], netInfo2LocalVarLdLoc) && codes[index + 1].opcode == OpCodes.Ldfld && codes[index + 1].operand == netInfoCreatePavementField) { TranspilerUtils.LogDebug("Found info4.m_createPavement"); var ldLocSegment7Label = il.DefineLabel(); var ldElemtRefLabel = il.DefineLabel(); // TerrainSurfacePatcherState patcherState = TerrainSurfacePatcher.Apply(netInfo, NetworkSkinManager.SegmentSkins[(int)((num14 > num13 >> 1) ? num6 : segment7)]); var apply1Instructions = new[] { new CodeInstruction(netInfo2LocalVarLdLoc), new CodeInstruction(OpCodes.Ldsfld, segmentSkinsField), new CodeInstruction(num14LocalVarLdLoc), new CodeInstruction(num13LocalVarLdLoc), new CodeInstruction(OpCodes.Ldc_I4_1), new CodeInstruction(OpCodes.Shr), new CodeInstruction(OpCodes.Bgt, ldLocSegment7Label), new CodeInstruction(segment7LocalVarLdLoc), new CodeInstruction(OpCodes.Br, ldElemtRefLabel), new CodeInstruction(num6LocalVarLdLoc), // ldLocSegment7Label new CodeInstruction(OpCodes.Ldelem_Ref), // ldElemtRefLabel new CodeInstruction(OpCodes.Call, terrainSurfacePatcherApplyMethod), new CodeInstruction(OpCodes.Stloc, patcherStateLocalVar) }; apply1Instructions[0].labels.AddRange(codes[index].labels); codes[index].labels.Clear(); apply1Instructions[9].labels.Add(ldLocSegment7Label); apply1Instructions[10].labels.Add(ldElemtRefLabel); codes.InsertRange(index, apply1Instructions); TranspilerUtils.LogDebug("Apply 1 inserted"); apply1Inserted = true; index += apply1Instructions.Length; break; } } if (!apply1Inserted) { Debug.LogError("NetNodeTerrainUpdatedPatch: Apply Insertion 1 failed! Cancelling transpiler!"); return(originalInstructions); } // NetworkSkins.TerrainSurfacePatcher.Revert(netInfo2, patcherState); // bool flag12 = netInfo2.m_flattenTerrain || (netInfo2.m_netAI.FlattenGroundNodes() && (m_flags & Flags.OnGround) != Flags.None); var revert1Inserted = false; for (; index < codes.Count; index++) { // bool flag12 = netInfo2.m_flattenTerrain || (netInfo2.m_netAI.FlattenGroundNodes() && (m_flags & Flags.OnGround) != Flags.None); if (TranspilerUtils.IsSameInstruction(codes[index], netInfo2LocalVarLdLoc) && codes[index + 1].opcode == OpCodes.Ldfld && codes[index + 1].operand == netInfoFlattenTerrainField) { TranspilerUtils.LogDebug("Found info4.m_flattenTerrain"); var revert1Instructions = new[] { new CodeInstruction(netInfo2LocalVarLdLoc), new CodeInstruction(OpCodes.Ldloc, patcherStateLocalVar), new CodeInstruction(OpCodes.Call, terrainSurfacePatcherRevertMethod), }; revert1Instructions[0].labels.AddRange(codes[index].labels); codes[index].labels.Clear(); codes.InsertRange(index, revert1Instructions); TranspilerUtils.LogDebug("Revert 1 inserted"); revert1Inserted = true; index += revert1Instructions.Length; break; } } if (!revert1Inserted) { Debug.LogError("NetNodeTerrainUpdatedPatch: Revert Insertion 1 failed! Cancelling transpiler!"); return(originalInstructions); } // patcherState = NetworkSkins.TerrainSurfacePatcher.Apply(info4, NetworkSkins.Skins.NetworkSkinManager.SegmentSkins[segment7]); // bool flag13 = info4.m_createPavement && (!info4.m_lowerTerrain || (m_flags & Flags.OnGround) != Flags.None); var apply2Inserted = false; for (; index < codes.Count; index++) { // bool flag13 = info4.m_createPavement && (!info4.m_lowerTerrain || (m_flags & Flags.OnGround) != Flags.None); if (TranspilerUtils.IsSameInstruction(codes[index], info4LocalVarLdLoc) && codes[index + 1].opcode == OpCodes.Ldfld && codes[index + 1].operand == netInfoCreatePavementField) { TranspilerUtils.LogDebug("Found info4.m_createPavement"); // patcherState = NetworkSkins.TerrainSurfacePatcher.Apply(info4, NetworkSkins.Skins.NetworkSkinManager.SegmentSkins[segment7]); var apply2Instructions = new[] { new CodeInstruction(info4LocalVarLdLoc), new CodeInstruction(OpCodes.Ldsfld, segmentSkinsField), new CodeInstruction(segment7LocalVarLdLoc), new CodeInstruction(OpCodes.Ldelem_Ref), new CodeInstruction(OpCodes.Call, terrainSurfacePatcherApplyMethod), new CodeInstruction(OpCodes.Stloc, patcherStateLocalVar) }; apply2Instructions[0].labels.AddRange(codes[index].labels); codes[index].labels.Clear(); codes.InsertRange(index, apply2Instructions); TranspilerUtils.LogDebug("Apply 2 inserted"); apply2Inserted = true; index += apply2Instructions.Length; break; } } if (!apply2Inserted) { Debug.LogError("NetNodeTerrainUpdatedPatch: Apply Insertion 2 failed! Cancelling transpiler!"); return(originalInstructions); } // NetworkSkins.TerrainSurfacePatcher.Revert(info4, patcherState); // bool flag17 = info4.m_flattenTerrain || (info4.m_netAI.FlattenGroundNodes() && (m_flags & Flags.OnGround) != Flags.None); var revert2Inserted = false; for (; index < codes.Count; index++) { // bool flag17 = info4.m_flattenTerrain || (info4.m_netAI.FlattenGroundNodes() && (m_flags & Flags.OnGround) != Flags.None); if (TranspilerUtils.IsSameInstruction(codes[index], info4LocalVarLdLoc) && codes[index + 1].opcode == OpCodes.Ldfld && codes[index + 1].operand == netInfoFlattenTerrainField) { TranspilerUtils.LogDebug("Found info4.m_flattenTerrain"); // NetworkSkins.TerrainSurfacePatcher.Revert(info4, patcherState); var revert2Instructions = new[] { new CodeInstruction(info4LocalVarLdLoc), new CodeInstruction(OpCodes.Ldloc, patcherStateLocalVar), new CodeInstruction(OpCodes.Call, terrainSurfacePatcherRevertMethod), }; revert2Instructions[0].labels.AddRange(codes[index].labels); codes[index].labels.Clear(); codes.InsertRange(index, revert2Instructions); TranspilerUtils.LogDebug("Revert 2 inserted"); revert2Inserted = true; index += revert2Instructions.Length; break; } } if (!revert2Inserted) { Debug.LogError("NetNodeTerrainUpdatedPatch: Revert Insertion 2 failed! Cancelling transpiler!"); return(originalInstructions); } return(codes); }
public static IEnumerable <CodeInstruction> Transpiler(ILGenerator il, IEnumerable <CodeInstruction> instructions) { var netNodeFlagsField = typeof(global::NetNode).GetField("m_flags"); var netNodeGetSegmentMethod = typeof(global::NetNode).GetMethod("GetSegment"); var netInfoNodesField = typeof(NetInfo).GetField("m_nodes"); var netInfoNodeDirectConnectField = typeof(NetInfo.Node).GetField("m_directConnect"); var netNodeRenderPatchShouldRenderJunctionNodeMethod = typeof(NetNodeRenderPatch).GetMethod("ShouldRenderJunctionNode"); var netNodeRenderPatchShouldRenderBendNodeLodMethod = typeof(NetNodeRenderPatch).GetMethod("ShouldRenderBendNodeLod"); if (netNodeFlagsField == null || netNodeGetSegmentMethod == null || netInfoNodesField == null || netInfoNodeDirectConnectField == null || netNodeRenderPatchShouldRenderJunctionNodeMethod == null || netNodeRenderPatchShouldRenderBendNodeLodMethod == null) { Debug.LogError("Necessary methods and field not found. Cancelling transpiler!"); return(instructions); } var index = 0; var originalCodes = new List <CodeInstruction>(instructions); var codes = new List <CodeInstruction>(originalCodes); var junctionFlagCheckFound = false; for (; index < codes.Count; index++) { // if ((m_flags & Flags.Junction) != 0) // IL_004b: ldfld valuetype NetNode/Flags NetNode::m_flags // IL_0079: ldc.i4 128 if (codes[index].opcode == OpCodes.Ldfld && codes[index].operand == netNodeFlagsField && codes[index + 1].opcode == OpCodes.Ldc_I4 && (int)codes[index + 1].operand == (int)global::NetNode.Flags.Junction) { junctionFlagCheckFound = true; break; } } if (!junctionFlagCheckFound) { Debug.LogError("NetNodeGroupDataPatch: junctionFlagCheck not found. Cancelling transpiler!"); return(originalCodes); } CodeInstruction segmentLocalVarLdloc = null; CodeInstruction segment2LocalVarLdloc = null; CodeInstruction nodeLocalVarLdLoc = null; // ushort segment = GetSegment(i); for (; index < codes.Count; index++) { // IL_0073: call instance uint16 NetNode::GetSegment(int32) if (codes[index].opcode == OpCodes.Call && codes[index].operand == netNodeGetSegmentMethod && TranspilerUtils.IsStLoc(codes[index + 1])) { // IL_0078: stloc.s 5 segmentLocalVarLdloc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 1]); index += 2; break; } } // ushort segment2 = GetSegment(j); for (; index < codes.Count; index++) { // IL_0107: call instance uint16 NetNode::GetSegment(int32) if (codes[index].opcode == OpCodes.Call && codes[index].operand == netNodeGetSegmentMethod && TranspilerUtils.IsStLoc(codes[index + 1])) { // IL_010c: stloc.s 11 segment2LocalVarLdloc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 1]); index += 2; break; } } // NetInfo.Node node = info2.m_nodes[k]; for (; index < codes.Count; index++) { // IL_0359: ldfld class NetInfo/Node[] NetInfo::m_nodes // IL_035e: ldloc.s 21 // IL_0360: ldelem.ref // IL_0361: stloc.s 22 if (codes[index].opcode == OpCodes.Ldfld && codes[index].operand == netInfoNodesField && TranspilerUtils.IsLdLoc(codes[index + 1]) && codes[index + 2].opcode == OpCodes.Ldelem_Ref && TranspilerUtils.IsStLoc(codes[index + 3])) { // IL_0361: stloc.s 22 nodeLocalVarLdLoc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 3]); index += 4; break; } } if (segmentLocalVarLdloc == null || segment2LocalVarLdloc == null || nodeLocalVarLdLoc == null) { Debug.LogError("NetNodeGroupDataPatch: Necessary field for junction not found. Cancelling transpiler!"); Debug.LogError($"{segmentLocalVarLdloc}, {segment2LocalVarLdloc}, {nodeLocalVarLdLoc}"); return(originalCodes); } var junctionRenderCheckInserted = false; for (; index < codes.Count; index++) { // IL_017c: ldloc.s 22 // IL_0181: ldfld bool NetInfo/Node::m_directConnect // IL_0182: brfalse IL_04c3 if (TranspilerUtils.IsSameInstruction(codes[index], nodeLocalVarLdLoc, true) && codes[index + 1].opcode == OpCodes.Ldfld && codes[index + 1].operand == netInfoNodeDirectConnectField && codes[index + 2].opcode == OpCodes.Brfalse) { var labelIfFalse = codes[index + 2].operand; var insertionPosition = index + 3; // && ShouldRenderJunctionNode(node, segment, segment2) // IL_01FD: ldloc.s 22 // IL_01FF: ldloc.s 11 // IL_0200: ldloc.s 22 // IL_0201: call bool[NetworkSkins] NetworkSkins.Patches.NetNodeRenderPatch::ShouldRenderJunctionNode(class NetInfo/Node, uint16, uint16) // IL_0206: brfalse.s IL_04c3 var renderCheckInstructions = new[] { new CodeInstruction(nodeLocalVarLdLoc), new CodeInstruction(segmentLocalVarLdloc), new CodeInstruction(segment2LocalVarLdloc), new CodeInstruction(OpCodes.Call, netNodeRenderPatchShouldRenderJunctionNodeMethod), new CodeInstruction(OpCodes.Brfalse, labelIfFalse), }; renderCheckInstructions[0].labels.AddRange(codes[insertionPosition].labels); codes[insertionPosition].labels.Clear(); codes.InsertRange(insertionPosition, renderCheckInstructions); TranspilerUtils.LogDebug("Junction render check inserted"); index = insertionPosition + renderCheckInstructions.Length; junctionRenderCheckInserted = true; break; } } if (!junctionRenderCheckInserted) { Debug.LogError("NetNodeGroupDataPatch: Junction render check not inserted. Cancelling transpiler!"); return(originalCodes); } var bendFlagCheckFound = false; for (; index < codes.Count; index++) { // else if ((m_flags & Flags.Bend) != 0) // IL_0e28: ldarg.s 'flags' // IL_0e2a: ldc.i4.s 64 if (codes[index].opcode == OpCodes.Ldfld && codes[index].operand == netNodeFlagsField && codes[index + 1].opcode == OpCodes.Ldc_I4_S && (sbyte)codes[index + 1].operand == (sbyte)global::NetNode.Flags.Bend) { bendFlagCheckFound = true; break; } } if (!bendFlagCheckFound) { Debug.LogError("NetNodeGroupDataPatch: bendFlagCheck not found. Cancelling transpiler!"); return(originalCodes); } CodeInstruction node5LocalVarLdLoc = null; for (; index < codes.Count; index++) { // IL_0359: ldfld class NetInfo/Node[] NetInfo::m_nodes // IL_05ed: ldloc.s 44 // IL_05ef: ldelem.ref // IL_05f0: stloc.s 45 if (codes[index].opcode == OpCodes.Ldfld && codes[index].operand == netInfoNodesField && TranspilerUtils.IsLdLoc(codes[index + 1]) && codes[index + 2].opcode == OpCodes.Ldelem_Ref && TranspilerUtils.IsStLoc(codes[index + 3])) { // IL_0361: stloc.s 22 node5LocalVarLdLoc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 3]); index += 4; break; } } if (node5LocalVarLdLoc == null) { Debug.LogError("NetNodeGroupDataPatch: node5 local var for bend not found. Cancelling transpiler!"); return(originalCodes); } var bendRenderCheckInserted = false; for (; index < codes.Count; index++) { // IL_0990: ldloc.s 40 // IL_0992: ldfld bool NetInfo/Node::m_directConnect // IL_0997: brfalse IL_0b19 if (codes[index].opcode == OpCodes.Ldc_I4 && (int)codes[index].operand == (int)NetInfo.ConnectGroup.AllGroups && codes[index + 1].opcode == OpCodes.And && codes[index + 2].opcode == OpCodes.Brfalse) { var labelIfFalse = codes[index + 2].operand; var insertionPosition = index + 3; // && NetNodeRenderPatch.ShouldRenderBendNodeLod(nodeID, node5) var renderCheckInstructions = new[] { new CodeInstruction(OpCodes.Ldarg_1), // nodeID new CodeInstruction(node5LocalVarLdLoc), new CodeInstruction(OpCodes.Call, netNodeRenderPatchShouldRenderBendNodeLodMethod), new CodeInstruction(OpCodes.Brfalse, labelIfFalse), }; renderCheckInstructions[0].labels.AddRange(codes[insertionPosition].labels); codes[insertionPosition].labels.Clear(); codes.InsertRange(insertionPosition, renderCheckInstructions); TranspilerUtils.LogDebug("Bend render check inserted"); index = insertionPosition + renderCheckInstructions.Length; bendRenderCheckInserted = true; break; } } if (!bendRenderCheckInserted) { Debug.LogError("NetNodeGroupDataPatch: Bend render check not inserted. Cancelling transpiler!"); return(originalCodes); } return(codes); }
public static IEnumerable <CodeInstruction> Transpiler(ILGenerator il, IEnumerable <CodeInstruction> instructions) { var netNodeRefreshEndDataMethod = typeof(global::NetNode).GetMethod("RefreshEndData", BindingFlags.NonPublic | BindingFlags.Instance); var netNodeGetSegmentMethod = typeof(global::NetNode).GetMethod("GetSegment"); var netInfoNodesField = typeof(NetInfo).GetField("m_nodes"); var netNodeRenderPatchShouldRenderJunctionNodeMethod = typeof(NetNodeRenderPatch).GetMethod("ShouldRenderJunctionNode"); var netNodeRenderPatchShouldRenderBendNodeMethod = typeof(NetNodeRenderPatch).GetMethod("ShouldRenderBendNode"); if (netNodeRefreshEndDataMethod == null || netNodeGetSegmentMethod == null || netInfoNodesField == null || netNodeRenderPatchShouldRenderJunctionNodeMethod == null || netNodeRenderPatchShouldRenderBendNodeMethod == null) { Debug.LogError("NetNodeRenderInstancePatch: Necessary methods and field not found. Cancelling transpiler!"); return(instructions); } var index = 0; var originalCodes = new List <CodeInstruction>(instructions); var codes = new List <CodeInstruction>(originalCodes); var refreshEndDataCallFound = false; for (; index < codes.Count; index++) { // IL_0066: call instance void NetNode::RefreshEndData(uint16, class NetInfo, uint32, valuetype RenderManager/Instance&) if (codes[index].opcode == OpCodes.Call && codes[index].operand == netNodeRefreshEndDataMethod) { refreshEndDataCallFound = true; break; } } if (!refreshEndDataCallFound) { Debug.LogError("NetNodeRenderInstancePatch: RefreshEndData call not found. Cancelling transpiler!"); return(originalCodes); } var junctionFlagCheckFound = false; for (; index < codes.Count; index++) { // if ((flags & Flags.Junction) != 0) // IL_0077: ldarg.s 'flags' // IL_0079: ldc.i4 128 if (codes[index].opcode == OpCodes.Ldarg_S && (byte)codes[index].operand == FlagsArgIndex && codes[index + 1].opcode == OpCodes.Ldc_I4 && (int)codes[index + 1].operand == (int)global::NetNode.Flags.Junction) { junctionFlagCheckFound = true; break; } } if (!junctionFlagCheckFound) { Debug.LogError("NetNodeRenderInstancePatch: junctionFlagCheck not found. Cancelling transpiler!"); return(originalCodes); } CodeInstruction segmentLocalVarLdloc = null; CodeInstruction segment2LocalVarLdloc = null; CodeInstruction nodeLocalVarLdLoc = null; for (; index < codes.Count; index++) { // IL_009c: call instance uint16 NetNode::GetSegment(int32) if (codes[index].opcode == OpCodes.Call && codes[index].operand == netNodeGetSegmentMethod && TranspilerUtils.IsStLoc(codes[index + 1])) { // IL_00a1: stloc.0 segmentLocalVarLdloc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 1]); index += 2; break; } } for (; index < codes.Count; index++) { // IL_00ac: call instance uint16 NetNode::GetSegment(int32) if (codes[index].opcode == OpCodes.Call && codes[index].operand == netNodeGetSegmentMethod && TranspilerUtils.IsStLoc(codes[index + 1])) { // IL_00b1: stloc.1 segment2LocalVarLdloc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 1]); index += 2; break; } } for (; index < codes.Count; index++) { // IL_013e: ldfld class NetInfo/Node[] NetInfo::m_nodes if (codes[index].opcode == OpCodes.Ldfld && codes[index].operand == netInfoNodesField && TranspilerUtils.IsStLoc(codes[index + 3])) { // IL_0146: stloc.s 6 nodeLocalVarLdLoc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 3]); index += 4; break; } } if (segmentLocalVarLdloc == null || segment2LocalVarLdloc == null || nodeLocalVarLdLoc == null) { Debug.LogError("NetNodeRenderInstancePatch: Necessary field for junction not found. Cancelling transpiler!"); Debug.LogError($"{segmentLocalVarLdloc}, {segment2LocalVarLdloc}, {nodeLocalVarLdLoc}"); return(originalCodes); } var junctionRenderCheckInserted = false; for (; index < codes.Count; index++) { // IL_017c: ldc.i4 987135 // IL_0181: and // IL_0182: brfalse IL_0570 if (codes[index].opcode == OpCodes.Ldc_I4 && (int)codes[index].operand == (int)NetInfo.ConnectGroup.AllGroups && codes[index + 1].opcode == OpCodes.And && codes[index + 2].opcode == OpCodes.Brfalse) { var labelIfFalse = codes[index + 2].operand; var insertionPosition = index + 3; // && NetNodeRenderPatch.NetNodeRenderPatch(node, segment, segment2) // IL_01FD: ldloc.s V_6 // IL_01FF: ldloc.0 // IL_0200: ldloc.1 // IL_0201: call bool[NetworkSkins] NetworkSkins.Patches.NetNodeRenderPatch::ShouldRenderJunctionNode(class NetInfo/Node, uint16, uint16) // IL_0206: brfalse.s IL_024A var renderCheckInstructions = new[] { new CodeInstruction(nodeLocalVarLdLoc), new CodeInstruction(segmentLocalVarLdloc), new CodeInstruction(segment2LocalVarLdloc), new CodeInstruction(OpCodes.Call, netNodeRenderPatchShouldRenderJunctionNodeMethod), new CodeInstruction(OpCodes.Brfalse, labelIfFalse), }; renderCheckInstructions[0].labels.AddRange(codes[insertionPosition].labels); codes[insertionPosition].labels.Clear(); codes.InsertRange(insertionPosition, renderCheckInstructions); TranspilerUtils.LogDebug("Junction render check inserted"); index = insertionPosition + renderCheckInstructions.Length; junctionRenderCheckInserted = true; break; } } if (!junctionRenderCheckInserted) { Debug.LogError("NetNodeRenderInstancePatch: Render check 1 not inserted. Cancelling transpiler!"); return(originalCodes); } var bendFlagCheckFound = false; for (; index < codes.Count; index++) { // else if ((flags & Flags.Bend) != 0) // IL_0e28: ldarg.s 'flags' // IL_0e2a: ldc.i4.s 64 if (codes[index].opcode == OpCodes.Ldarg_S && (byte)codes[index].operand == FlagsArgIndex && codes[index + 1].opcode == OpCodes.Ldc_I4_S && (sbyte)codes[index + 1].operand == (sbyte)global::NetNode.Flags.Bend) { bendFlagCheckFound = true; break; } } if (!bendFlagCheckFound) { Debug.LogError("NetNodeRenderInstancePatch: bendFlagCheck not found. Cancelling transpiler!"); return(originalCodes); } CodeInstruction segment5LocalVarLdloc = null; CodeInstruction segment6LocalVarLdloc = null; CodeInstruction node4LocalVarLdLoc = null; for (; index < codes.Count; index++) { // IL_11ae: call instance uint16 NetNode::GetSegment(int32) if (codes[index].opcode == OpCodes.Call && codes[index].operand == netNodeGetSegmentMethod && TranspilerUtils.IsStLoc(codes[index + 1])) { // IL_00a1: stloc.s 32 segment5LocalVarLdloc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 1]); index += 2; break; } } for (; index < codes.Count; index++) { // IL_11bf: call instance uint16 NetNode::GetSegment(int32) if (codes[index].opcode == OpCodes.Call && codes[index].operand == netNodeGetSegmentMethod && TranspilerUtils.IsStLoc(codes[index + 1])) { // IL_11c4: stloc.s 33 segment6LocalVarLdloc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 1]); index += 2; break; } } for (; index < codes.Count; index++) { // IL_120d: ldfld class NetInfo/Node[] NetInfo::m_nodes if (codes[index].opcode == OpCodes.Ldfld && codes[index].operand == netInfoNodesField && TranspilerUtils.IsStLoc(codes[index + 3])) { // IL_1215: stloc.s 35 node4LocalVarLdLoc = TranspilerUtils.BuildLdLocFromStLoc(codes[index + 3]); index += 4; break; } } if (segment5LocalVarLdloc == null || segment6LocalVarLdloc == null || node4LocalVarLdLoc == null) { Debug.LogError("NetNodeRenderInstancePatch: Necessary field for bend not found. Cancelling transpiler!"); Debug.LogError($"{segment5LocalVarLdloc} {segment6LocalVarLdloc} {node4LocalVarLdLoc}"); return(originalCodes); } var bendRenderCheckInserted = false; for (; index < codes.Count; index++) { // IL_124b: ldc.i4 987135 // IL_1250: and // IL_1251: brfalse IL_1637 if (codes[index].opcode == OpCodes.Ldc_I4 && (int)codes[index].operand == (int)NetInfo.ConnectGroup.AllGroups && codes[index + 1].opcode == OpCodes.And && codes[index + 2].opcode == OpCodes.Brfalse) { var labelIfFalse = codes[index + 2].operand; var insertionPosition = index + 3; // ldloc.s 35 // ldloc.s 32 // ldloc.s 33 // call bool[NetworkSkins] NetworkSkins.Patches.NetNodeRenderPatch::ShouldRenderJunctionNode(class NetInfo/Node, uint16, uint16) // brfalse.s IL_1637 var renderCheckInstructions = new[] { new CodeInstruction(node4LocalVarLdLoc), new CodeInstruction(segment5LocalVarLdloc), new CodeInstruction(segment6LocalVarLdloc), new CodeInstruction(OpCodes.Call, netNodeRenderPatchShouldRenderBendNodeMethod), new CodeInstruction(OpCodes.Brfalse, labelIfFalse), }; renderCheckInstructions[0].labels.AddRange(codes[insertionPosition].labels); codes[insertionPosition].labels.Clear(); codes.InsertRange(insertionPosition, renderCheckInstructions); TranspilerUtils.LogDebug("Bend render check inserted"); index = insertionPosition + renderCheckInstructions.Length; bendRenderCheckInserted = true; break; } } if (!bendRenderCheckInserted) { Debug.LogError("NetNodeRenderInstancePatch: Bend render check not inserted. Cancelling transpiler!"); return(originalCodes); } return(codes); }