wip

Based on https://github.com/mandar1jn/SkylandersToolkit/blob/master

Source/SkyPortal/Private/SkyPortal.cpp

@@ -16,5 +16,5 @@ void FSkyPortalModule::ShutdownModule()
 }
 
 #undef LOCTEXT_NAMESPACE
-	
+
 IMPLEMENT_MODULE(FSkyPortalModule, SkyPortal)

Source/SkyPortal/Private/SkyPortalFigure.cpp

@@ -0,0 +1,81 @@
+#pragma once
+
+#include "SkyPortalFigure.h"
+#include "SkyPortalSubsystem.h"
+
+uint32 GetFigureID(const FigureDataBlock& DataBlock)
+{
+	int16_t OutFigureID;
+	// Figure ID is stored in Block 0, bytes 0 to 3 (32-bit integer, little-endian)
+	OutFigureID = DataBlock.blockdata[0][0] |
+		(DataBlock.blockdata[0][1] << 8) |
+		(DataBlock.blockdata[0][2] << 16) |
+		(DataBlock.blockdata[0][3] << 24);
+	/*
+	// Variant ID is stored in Block 0, bytes 4 to 5 (16-bit integer, little-endian)
+	OutVariantID = (DataBlock.blockdata[0][5] << 8) |
+		DataBlock.blockdata[0][4];
+	*/
+	return OutFigureID;
+};
+
+
+void FigureData::ReadData(uint8 index)
+{
+	ClearData();
+	for (uint8 i = 0; i < 64; i++)
+	{
+		USkyPortalSubsystem* SkySubsystem = GEngine->GetEngineSubsystem<USkyPortalSubsystem>();
+		TArray<uint8> output = SkySubsystem->QueryBlock(index, i);
+
+		uint8[] blockData = new uint8[0x10];
+		Array.Copy(output, 3, blockData, 0, 16);
+
+		// block 1 is sometimes a duplicate of block 0
+		if (i == 1)
+		{
+			if (blockData.SequenceEqual(data[0]))
+			{
+				i -= 1;
+				continue;
+			}
+		}
+
+		Array.Copy(blockData, 0, data[i], 0, 16);
+
+		if (((i + 1) % 4 == 0) || i < 8)
+		{
+			Array.Copy(data[i], 0, decryptedData[i], 0, 16);
+		}
+		else
+		{
+			uint8[] hashIn = new byte[0x56];
+			data[0].CopyTo(hashIn, 0);
+			data[1].CopyTo(hashIn, 0x10);
+			hashIn[0x20] = i;
+			HASH_CONST.CopyTo(hashIn, 0x21);
+
+			uint8[] key = MD5.Create().ComputeHash(hashIn);
+
+			uint8[] decrypted = new byte[0x10];
+
+			using (Aes aesAlg = Aes.Create())
+			{
+				aesAlg.Key = key;
+				aesAlg.Mode = CipherMode.ECB;
+				aesAlg.Padding = PaddingMode.Zeros;
+
+				ICryptoTransform decryptor = aesAlg.CreateDecryptor();
+
+				decrypted = decryptor.TransformFinalBlock(data[i], 0, data[i].Length);
+
+			}
+
+			Array.Copy(decrypted, 0, decryptedData[i], 0, 16);
+		}
+	}
+}
+
+void FigureData::ClearData()
+{
+}

Source/SkyPortal/Private/SkyPortalIO.cpp

@@ -0,0 +1,69 @@
+#include "SkyPortalIO.h"
+#include "Engine/Engine.h"
+
+DEFINE_LOG_CATEGORY(LogHIDApi);
+DEFINE_LOG_CATEGORY(LogSkyportalIO);
+
+bool OpenPortalHandle() {
+	//reset
+	if (PortalDevice) {
+		hid_close(PortalDevice);
+	}
+	/*
+		Declare two pointers to hold information about HID devices.
+		"list" will point to the head of the linked list of devices,
+		"attributes" will be used to iterate through the list.
+	*/
+	struct hid_device_info* list, * attributes;
+
+	list = hid_enumerate(0x0, 0x0);
+	// If `list` is NULL, that means no devices were found or there was an error.
+	// In this case, print an error message and terminate the program.
+	if (!list) {
+		UE_LOG(LogHIDApi, Error, TEXT("No devices found"));
+		// Get the error message from the HIDAPI
+		HidError = hid_error(NULL);
+		UE_LOG(LogHIDApi, Error, TEXT("%s"), *HidError);
+		return false;
+	}
+	attributes = list;
+
+
+
+
+	// Iterate through the linked list of devices
+	int vendorCount = sizeof(VendorIds) / sizeof(VendorIds[0]);
+	int productCount = sizeof(ProductIds) / sizeof(ProductIds[0]);
+
+	while (attributes) {
+		// Check if the devices match any of vendor_id and product_id 
+		for (int i = 0; i < vendorCount; i++) {
+			for (int j = 0; j < productCount; j++) {
+				if (attributes->vendor_id == VendorIds[i] && attributes->product_id == ProductIds[j]) {
+					UE_LOG(LogHIDApi, Display, TEXT("Portal found"));
+					UE_LOG(LogHIDApi, Log, TEXT("Vendor ID: 0x%x, Product ID: 0x%x"), attributes->vendor_id, attributes->product_id);
+
+					PortalDevice = hid_open(attributes->vendor_id, attributes->product_id, NULL);
+					if (PortalDevice) {
+						UE_LOG(LogHIDApi, Display, TEXT("Successful connection to Portal."));
+
+						// Free the device list
+						hid_free_enumeration(list);
+						//bPortalConnected = true;
+						return true;
+					}
+
+					break;
+				}
+			}
+		}
+
+		// Move to the next device in the list
+		attributes = attributes->next;
+	}
+
+	// Free the device list
+	hid_free_enumeration(list);
+	UE_LOG(LogHIDApi, Error, TEXT("No Portals found"));
+	return false;
+}

Source/SkyPortal/Private/SkyPortalSubsystem.cpp

@@ -5,9 +5,8 @@
 
 #include "HAL/RunnableThread.h"
 #include "Misc/ScopeLock.h"
+#include "SkyPortalIO.h"
 
-DEFINE_LOG_CATEGORY(LogHIDApi);
-DEFINE_LOG_CATEGORY(LogSkyportalIO);
 
 void USkyPortalSubsystem::Initialize(FSubsystemCollectionBase& Collection)
 {
@@ -289,6 +288,7 @@ FPortalStatusData USkyPortalSubsystem::ParsePortalStatus(const RWBlock& Response
 	FigureStatusArray |= (ResponseBlock.buf[3] << 16); // 3rd byte
 	FigureStatusArray |= (ResponseBlock.buf[4] << 24); // 4th byte
 
+	TStaticArray<EFigureStatus, 16> tempArray;
 	// For each of the 16 entries, extract the 2-bit status and map it to EFigureStatus
 	for (int32 i = 0; i < 16; ++i)
 	{
@@ -315,9 +315,11 @@ FPortalStatusData USkyPortalSubsystem::ParsePortalStatus(const RWBlock& Response
 		}
 
 		// Add to the array of figure statuses
-		PortalStatusData.StatusArray.Add(FigureStatus);
+		//PortalStatusData.StatusArray.Insert(FigureStatus, i);
+		tempArray[i] = FigureStatus;
 	}
-
+	PortalStatusData.StatusArray.SetNum(0);
+	PortalStatusData.StatusArray.Append(tempArray);
 	// The next byte is the response counter
 	PortalStatusData.Counter = ResponseBlock.buf[5];
 
@@ -370,22 +372,27 @@ void USkyPortalSubsystem::CheckComplexResponse() {
 
 		//Send delegate when new informations are received
 		if (OldStatusData != CurrentStatusData) {
-			
+
 			for (int i = 0; i < CurrentStatusData.StatusArray.Num(); i++) {
 				if (CurrentStatusData.StatusArray[i] != OldStatusData.StatusArray[i]) {
-					if (!FalsePositive()) {
+					if (
+						//!FalsePositive() //filter conflicting infos
+						true) {
+						FigureDataBlock FigureData;
 						switch (CurrentStatusData.StatusArray[i])
 						{
-							case EFigureStatus::NOT_PRESENT:
-								break;
-							case EFigureStatus::PRESENT:
-								break;
-							case EFigureStatus::ADDED:
-								//get SkylandID
-								//ReadBlock;
-								OnSkylanderAdded.Broadcast(01, i);
-							case EFigureStatus::REMOVED:
-								OnSkylanderRemoved.Broadcast(01, i)
+						case EFigureStatus::NOT_PRESENT:
+							OnSkylanderRemoved.Broadcast(00, i);
+							break;
+						case EFigureStatus::PRESENT:
+							FigureData = ReadFigureBlocks(i);
+							OnSkylanderAdded.Broadcast(GetFigureID(FigureData), i);
+							break;
+						case EFigureStatus::ADDED:
+							FigureData = ReadFigureBlocks(i);
+							OnSkylanderAdded.Broadcast(GetFigureID(FigureData), i);
+						case EFigureStatus::REMOVED:
+							OnSkylanderRemoved.Broadcast(00, i);
 						}
 					}
 				}
@@ -394,7 +401,7 @@ void USkyPortalSubsystem::CheckComplexResponse() {
 
 			OldStatusData = CurrentStatusData;
 		}
-		
+
 
 		break;
 	default:
@@ -403,10 +410,30 @@ void USkyPortalSubsystem::CheckComplexResponse() {
 
 }
 
-bool USkyPortalSubsystem::FalsePositive()
+TArray<uint8> USkyPortalSubsystem::QueryBlock(uint8 characterIndex, uint8 block)
+{
+	TArray<uint8> QueryCommand;
+	QueryCommand.SetNum(0x21);
+	QueryCommand[1] = 'Q';
+	QueryCommand[2] = characterIndex;
+	QueryCommand[3] = block;
+
+	TArray<uint8> Output;
+
+	do {
+		portalConnection->Write(QueryCommand);
+		output = portalConnection->Read();
+	} while (output[0] != 'Q' || (output[1] % 0x10 != characterIndex && output[1] != 0x01) || output[2] != block);
+
+	return output;
+}
+
+
+
+bool USkyPortalSubsystem::FalsePositive() const
 {
 	int dif = FMath::Abs(CurrentStatusData.Counter - OldStatusData.Counter);
-	return (dif <= 2 || dif > 254);
+	return (dif <= 2 || dif >= 254);
 }
 
 

Source/SkyPortal/Public/SkyPortalFigure.h

@@ -1,3 +1,60 @@
 #pragma once
+#include "CoreMinimal.h"
+//#include "SkyPortalFigure.generated.h"
 
-#include "SkyPortalFigure.generated.h"
+
+
+#define FIGURE_TOTAL_BLOCKS 64
+#define FIGURE_BLOCK_SIZE 16
+
+typedef struct {
+	unsigned char blockdata[FIGURE_TOTAL_BLOCKS][FIGURE_BLOCK_SIZE]; bool error;
+} FigureDataBlock;
+
+UFUNCTION(BlueprintCallable, BlueprintPure, meta = (Category = "SkyPortal|Figure"))
+uint32 GetFigureID(const FigureDataBlock& DataBlock);
+
+UFUNCTION(BlueprintCallable, BlueprintPure, meta = (Category = "SkyPortal|Figure"))
+uint32 GetFigureIdByIndex(uint32 index);
+
+class FigureData {
+public:
+	// Data Arrays
+	uint8 data[64][16];
+	uint8 decryptedData[64][16];
+
+	// Properties
+#pragma region manufacturer
+	uint32 NUID; // should under no circumstances be corrupted. 4-byte
+	uint8 BCC; //Block Check Character. When this BCC does not match the NUID of the tag, the tag ceases to function. stored in block 0 at offset 0x4
+	uint8 SAK = 0x81; //needs to be set to allow for the tag to be read correctly
+	uint16 ATQA; //always set to 0x01 0x0F
+	FString ProductionYear; //last 2 digits of the year that the tag was manufactured as Binary-coded decimal
+#pragma endregion
+	int16 ID;
+#pragma region Toy code
+	uint32 ToyCodeNumber1, ToyCodeNumber2;
+	uint64 FullToyCodeNumber;
+	FString ToyCode;
+#pragma endregion
+	int16 VariantID;
+#pragma region counters
+	uint8 counter1;
+	uint8 couter2;
+#pragma endregion
+	FString Nickname;
+
+	FigureData()
+	{
+		ClearData();
+	}
+
+	// Methods
+	void ReadData(uint8 index);
+	void ClearData();
+	uint8 GetByte(int block, int offset);
+	void SetByte(int block, int offset, uint8 value);
+	uint16 GetShort(int block, int offset);
+	uint32 GetUInt(int block, int offset);
+	void Dump(bool decrypted, FString filePath);
+};

Source/SkyPortal/Public/SkyPortalIO.h

@@ -0,0 +1,33 @@
+#pragma once
+/*
+*  This is the bridge between hidapi and unreal and contains all the rawdata of the portal
+*/
+#include "CoreMinimal.h"
+#include "hidapi.h"
+
+#include "SkyPortalIO.generated.h"
+
+DECLARE_LOG_CATEGORY_EXTERN(LogHIDApi, Log, All);
+DECLARE_LOG_CATEGORY_EXTERN(LogSkyportalIO, Log, All);
+
+UCLASS(MinimalAPI)
+class SkyPortalIO : public UObjectBase
+{
+	GENERATED_BODY()
+
+public:
+	SkyPortalIO()
+	{
+		OpenPortalHandle();
+	}
+
+private:
+
+	bool OpenPortalHandle();
+
+	//Portal ref used in the subsystem
+	hid_device* PortalDevice;
+
+
+};
+

Source/SkyPortal/Public/SkyPortalSubsystem.h

@@ -1,6 +1,5 @@
 #pragma once
 
-#include "CoreMinimal.h"
 #include "Subsystems/EngineSubsystem.h"
 #include "hidapi.h"
 #include "HAL/Runnable.h"
@@ -46,7 +45,7 @@ struct FPortalStatusData
 	GENERATED_USTRUCT_BODY()
 
 	// Array of statuses
-	UPROPERTY(BlueprintReadOnly, Category = "SkyPortal|Figure")
+	UPROPERTY(BlueprintReadOnly, EditFixedSize, Category = "SkyPortal|Figure", meta = (EditFixedOrder))
 	TArray<EFigureStatus> StatusArray;
 
 	// timestamp.
@@ -59,6 +58,14 @@ struct FPortalStatusData
 	UPROPERTY(BlueprintReadOnly, Category = "SkyPortal|Figure")
 	bool bIsReady;
 
+	explicit FPortalStatusData(uint8 ArraySize = 16, EFigureStatus DefaultStatus = EFigureStatus::NOT_PRESENT) :
+		Counter(0),   // Utilisation correcte de l'initialisation directe
+		bIsReady(true) // Utilisation correcte de l'initialisation directe
+	{
+		// Initialisation du tableau StatusArray avec 16 éléments par défaut
+		StatusArray.Init(DefaultStatus, ArraySize);
+	}
+
 	// Overload the == operator
 	bool operator==(const FPortalStatusData& Other) const
 	{
@@ -81,19 +88,12 @@ struct FPortalStatusData
 #define rw_buf_size  0x21
 #define TIMEOUT 30000
 #define DEBUG true
-#define FIGURE_TOTAL_BLOCKS 64
-#define FIGURE_BLOCK_SIZE 16
 
 typedef struct {
 	unsigned char buf[rw_buf_size]; int BytesTransferred;
 } RWBlock;
 
-typedef struct {
-	unsigned char blockdata[FIGURE_TOTAL_BLOCKS][FIGURE_BLOCK_SIZE]; bool error;
-} FigureDataBlock;
 
-DECLARE_LOG_CATEGORY_EXTERN(LogHIDApi, Log, All);
-DECLARE_LOG_CATEGORY_EXTERN(LogSkyportalIO, Log, All);
 
 //// Delegates
 DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FOnSkylanderAddedDelegate, int32, SkylanderID, int32, Index);
@@ -172,7 +172,7 @@ public:
 	UFUNCTION(BlueprintCallable, meta = (Category = "SkyPortal|NOT FUNCTIONING"))
 	SKYPORTAL_API void SendPortalSound(USoundWave* Sound);
 
-	
+
 
 	/* Change portal color, ideally should be called just at the start.For gameplay usage, use ChangePortalColorside()*/
 	UFUNCTION(BlueprintCallable, CallInEditor, meta = (AutoCreateRefTerm = "Color", Category = "SkyPortal|Cosmetic"))
@@ -184,7 +184,7 @@ public:
 	 * @param	PortalSide	The actors to record
 	 * @param	BlendTime	Blend between current color and NextColor, in milliseconds
 	 */
-	UFUNCTION(BlueprintCallable, CallInEditor, meta = (AutoCreateRefTerm = "NextColor", Category = "SkyPortal|Cosmetic"))
+	UFUNCTION(BlueprintCallable, CallInEditor, meta = (AutoCreateRefTerm = "NextColor", Category = "SkyPortal|Cosmetic", HideAlphaChannel))
 	SKYPORTAL_API void ChangePortalColorside(const FLinearColor& NextColor = FLinearColor::Green, const EPortalSide PortalSide = EPortalSide::BOTH, const float BlendTime = 500.0f);
 
 
@@ -214,8 +214,9 @@ public:
 	bool WriteBlock(unsigned int, unsigned char[0x10], int);
 	bool CheckResponse(RWBlock*, char);
 	void CheckComplexResponse();
-	
 
+	UFUNCTION()
+	TArray<uint8> QueryBlock(uint8 characterIndex, uint8 block = 0x00);
 
 
 private:
@@ -237,7 +238,7 @@ private:
 	bool OpenPortalHandle();
 	void Write(RWBlock*);
 	FigureDataBlock ReadFigureBlocks(uint8 FigureIndex);
-	bool FalsePositive();
+	bool FalsePositive() const;
 
 	// Pointer to the status checker thread
 	FPortalStatusChecker* StatusChecker;