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-rw-r--r--contrib/npclient/npclient.c609
1 files changed, 609 insertions, 0 deletions
diff --git a/contrib/npclient/npclient.c b/contrib/npclient/npclient.c
new file mode 100644
index 00000000..03fa589a
--- /dev/null
+++ b/contrib/npclient/npclient.c
@@ -0,0 +1,609 @@
+#define _USE_MATH_DEFINES
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <math.h>
+#include <string.h>
+#include <stdio.h>
+
+#include <windows.h>
+
+#define FREETRACK_MUTEX "FT_Mutext"
+#define FT_MM_DATA "FT_SharedMem"
+
+#define UNUSED(var) (void)var
+
+typedef struct TFreeTrackData
+{
+ int DataID;
+ int CamWidth;
+ int CamHeight;
+ float Yaw;
+ float Pitch;
+ float Roll;
+ float X;
+ float Y;
+ float Z;
+ float RawYaw;
+ float RawPitch;
+ float RawRoll;
+ float RawX;
+ float RawY;
+ float RawZ;
+ float X1;
+ float Y1;
+ float X2;
+ float Y2;
+ float X3;
+ float Y3;
+ float X4;
+ float Y4;
+} TFreeTrackData;
+
+typedef struct FTMemMap
+{
+ TFreeTrackData data;
+ __int32 GameId;
+ unsigned char table[8];
+ __int32 GameId2;
+} FTMemMap;
+
+static bool bEncryptionChecked = false;
+static double r = 0, p = 0, y = 0, tx = 0, ty = 0, tz = 0;
+
+#define NP_DECLSPEC __declspec(dllexport)
+#define NP_EXPORT(t) t NP_DECLSPEC __stdcall
+#define NP_AXIS_MAX 16383
+
+static bool FTCreateMapping(void);
+static void FTDestroyMapping(void);
+static __inline double clamp(double x, double xmin, double xmax);
+static __inline double clamp_(double x);
+
+#if DEBUG
+static FILE *debug_stream;
+#define dbg_report(...) do { if (debug_stream) { fprintf(debug_stream, __VA_ARGS__); fflush(debug_stream); } } while(0);
+#else
+#define dbg_report(...)
+#endif
+
+typedef enum npclient_status_ {
+ NPCLIENT_STATUS_OK,
+ NPCLIENT_STATUS_DISABLED
+} npclient_status;
+
+static HANDLE hFTMemMap = 0;
+static FTMemMap volatile * pMemData = 0;
+static bool bEncryption = false;
+static unsigned char table[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+typedef struct tir_data
+{
+ short status;
+ short frame;
+ unsigned cksum;
+ float roll, pitch, yaw;
+ float tx, ty, tz;
+ float padding[9];
+} tir_data_t;
+
+typedef struct tir_signature
+{
+ char DllSignature[200];
+ char AppSignature[200];
+} tir_signature_t;
+
+BOOL DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
+{
+ UNUSED(lpvReserved);
+
+ switch (fdwReason)
+ {
+ case DLL_PROCESS_ATTACH:
+#if DEBUG
+ debug_stream = fopen("c:\\NPClient.log", "a");
+#endif
+#ifdef _WIN64
+ dbg_report("\n= WIN64 =========================================================================================\n");
+#else
+ dbg_report("\n= WIN32 =========================================================================================\n");
+#endif
+ dbg_report("DllMain: (%p, %ld, %p)\n", (void*) hinstDLL, (long) fdwReason, lpvReserved);
+ dbg_report("DllMain: Attach request\n");
+ DisableThreadLibraryCalls(hinstDLL);
+#if 0
+ timeBeginPeriod(1);
+#endif
+ break;
+
+ case DLL_PROCESS_DETACH:
+ dbg_report("DllMain: Detach\n");
+ dbg_report("DllMain: (%p, %ld, %p)\n", (void*) hinstDLL, (long) fdwReason, lpvReserved);
+ dbg_report("==========================================================================================\n");
+#if 0
+ timeEndPeriod(1);
+#endif
+ FTDestroyMapping();
+ break;
+ }
+ return TRUE;
+}
+/******************************************************************
+ * NPPriv_ClientNotify (NPCLIENT.1)
+ */
+
+NP_EXPORT(int) NPPriv_ClientNotify(void)
+{
+ dbg_report("stub\n");
+ /* @stub in .spec */
+ return 0;
+}
+/******************************************************************
+ * NPPriv_GetLastError (NPCLIENT.2)
+ */
+
+NP_EXPORT(int) NPPriv_GetLastError(void)
+{
+ dbg_report("stub\n");
+ /* @stub in .spec */
+ return 0;
+}
+/******************************************************************
+ * NPPriv_SetData (NPCLIENT.3)
+ */
+
+NP_EXPORT(int) NPPriv_SetData(void)
+{
+ dbg_report("stub\n");
+ /* @stub in .spec */
+ return 0;
+}
+/******************************************************************
+ * NPPriv_SetLastError (NPCLIENT.4)
+ */
+
+NP_EXPORT(int) NPPriv_SetLastError(void)
+{
+ dbg_report("stub\n");
+ /* @stub in .spec */
+ return 0;
+}
+/******************************************************************
+ * NPPriv_SetParameter (NPCLIENT.5)
+ */
+
+NP_EXPORT(int) NPPriv_SetParameter(void)
+{
+ dbg_report("stub\n");
+ /* @stub in .spec */
+ return 0;
+}
+/******************************************************************
+ * NPPriv_SetSignature (NPCLIENT.6)
+ */
+
+NP_EXPORT(int) NPPriv_SetSignature(void)
+{
+ dbg_report("stub\n");
+ /* @stub in .spec */
+ return 0;
+}
+/******************************************************************
+ * NPPriv_SetVersion (NPCLIENT.7)
+ */
+
+NP_EXPORT(int) NPPriv_SetVersion(void)
+{
+ dbg_report("stub\n");
+ /* @stub in .spec */
+ return 0;
+}
+
+/* TIR5 requires a checksum to be calculated over the headpose-data and to be relayed to the game. */
+static unsigned cksum(unsigned char buf[], unsigned size)
+{
+ int rounds = size >> 2;
+ int rem = size % 4;
+
+ int c = size;
+ int a0, a2;
+
+ if (size == 0 || buf == NULL)
+ return 0;
+
+ while (rounds != 0)
+ {
+ a0 = *(short int*)buf;
+ a2 = *(short int*)(buf+2);
+ buf += 4;
+ c += a0;
+ a2 ^= (c << 5);
+ a2 <<= 11;
+ c ^= a2;
+ c += (c >> 11);
+ --rounds;
+ }
+ switch (rem)
+ {
+ case 3:
+ a0 = *(short int*)buf;
+ a2 = *(signed char*)(buf+2);
+ c += a0;
+ a2 = (a2 << 2) ^ c;
+ c ^= (a2 << 16);
+ a2 = (c >> 11);
+ break;
+ case 2:
+ a2 = *(short int*)buf;
+ c += a2;
+ c ^= (c << 11);
+ a2 = (c >> 17);
+ break;
+ case 1:
+ a2 = *(signed char*)(buf);
+ c += a2;
+ c ^= (c << 10);
+ a2 = (c >> 1);
+ break;
+ default:
+ break;
+ }
+ if(rem != 0)
+ c+=a2;
+
+ c ^= (c << 3);
+ c += (c >> 5);
+ c ^= (c << 4);
+ c += (c >> 17);
+ c ^= (c << 25);
+ c += (c >> 6);
+
+ return (unsigned)c;
+}
+
+static __inline void enhance(unsigned char buf[], unsigned size, unsigned char table[], unsigned table_size)
+{
+ unsigned table_ptr = 0;
+ unsigned char var = 0x88;
+ unsigned char tmp;
+
+ if (size <= 0 || table_size <= 0 || buf == NULL || table == NULL)
+ return;
+
+ do
+ {
+ tmp = buf[--size];
+ buf[size] = tmp ^ table[table_ptr] ^ var;
+ var += size + tmp;
+ ++table_ptr;
+
+ if (table_ptr >= table_size)
+ table_ptr -= table_size;
+ }
+ while (size != 0);
+}
+
+/******************************************************************
+ * NP_GetData (NPCLIENT.8)
+ */
+
+NP_EXPORT(int) NP_GetData(tir_data_t * data)
+{
+ static int frameno = 0;
+ int i;
+#if DEBUG
+ int recv = 0;
+#endif
+ if (!FTCreateMapping())
+ {
+ dbg_report("Can't open mapping\n");
+ return 0;
+ }
+
+ if (pMemData)
+ {
+#if DEBUG
+ recv = 1;
+#endif
+ y = pMemData->data.Yaw * NP_AXIS_MAX / M_PI;
+ p = pMemData->data.Pitch * NP_AXIS_MAX / M_PI;
+ r = pMemData->data.Roll * NP_AXIS_MAX / M_PI;
+
+ tx = pMemData->data.X * NP_AXIS_MAX / 500.;
+ ty = pMemData->data.Y * NP_AXIS_MAX / 500.;
+ tz = pMemData->data.Z * NP_AXIS_MAX / 500.;
+
+ if (pMemData->GameId == pMemData->GameId2 && !bEncryptionChecked)
+ {
+ dbg_report("NP_GetData: game = %d\n", pMemData->GameId);
+ bEncryptionChecked = true;
+ memcpy(table, (void*)pMemData->table, 8);
+ for (i = 0; i < 8; i++)
+ if (table[i])
+ {
+ bEncryption = true;
+ break;
+ }
+ dbg_report("NP_GetData: Table = %02d %02d %02d %02d %02d %02d %02d %02d\n", table[0],table[1],table[2],table[3],table[4],table[5], table[6], table[7]);
+ }
+ }
+
+ frameno++;
+ data->frame = frameno;
+
+ bool running = y != 0 || p != 0 || r != 0 ||
+ tx != 0 || ty != 0 || tz != 0;
+
+ data->status = running ? NPCLIENT_STATUS_OK : NPCLIENT_STATUS_DISABLED;
+ data->cksum = 0;
+
+ data->roll = clamp_(r);
+ data->pitch = clamp_(p);
+ data->yaw = clamp_(y);
+
+ data->tx = clamp_(tx);
+ data->ty = clamp_(ty);
+ data->tz = clamp_(tz);
+
+ for(i = 0; i < 9; ++i)
+ data->padding[i] = 0.0;
+
+#if DEBUG
+ dbg_report("GetData: rotation: %d %f %f %f\n", recv, data->yaw, data->pitch, data->roll);
+#endif
+
+ data->cksum = cksum((unsigned char*)data, sizeof(tir_data_t));
+
+ if (bEncryption)
+ enhance((unsigned char*)data, sizeof(tir_data_t), table, sizeof(table));
+
+ return running ? NPCLIENT_STATUS_OK : NPCLIENT_STATUS_DISABLED;
+}
+/******************************************************************
+ * NP_GetParameter (NPCLIENT.9)
+ */
+
+NP_EXPORT(int) NP_GetParameter(int arg0, int arg1)
+{
+ UNUSED(arg0); UNUSED(arg1);
+ dbg_report("GetParameter request: %d %d\n", arg0, arg1);
+ return (int) 0;
+}
+
+/******************************************************************
+ * NP_GetSignature (NPCLIENT.10)
+ *
+ *
+ */
+
+static volatile unsigned char part2_2[200] = {
+ 0xe3, 0xe5, 0x8e, 0xe8, 0x06, 0xd4, 0xab,
+ 0xcf, 0xfa, 0x51, 0xa6, 0x84, 0x69, 0x52,
+ 0x21, 0xde, 0x6b, 0x71, 0xe6, 0xac, 0xaa,
+ 0x16, 0xfc, 0x89, 0xd6, 0xac, 0xe7, 0xf8,
+ 0x7c, 0x09, 0x6a, 0x8b, 0x8b, 0x64, 0x0b,
+ 0x7c, 0xc3, 0x61, 0x7f, 0xc2, 0x97, 0xd3,
+ 0x33, 0xd9, 0x99, 0x59, 0xbe, 0xed, 0xdc,
+ 0x2c, 0x5d, 0x93, 0x5c, 0xd4, 0xdd, 0xdf,
+ 0x8b, 0xd5, 0x1d, 0x46, 0x95, 0xbd, 0x10,
+ 0x5a, 0xa9, 0xd1, 0x9f, 0x71, 0x70, 0xd3,
+ 0x94, 0x3c, 0x71, 0x5d, 0x53, 0x1c, 0x52,
+ 0xe4, 0xc0, 0xf1, 0x7f, 0x87, 0xd0, 0x70,
+ 0xa4, 0x04, 0x07, 0x05, 0x69, 0x2a, 0x16,
+ 0x15, 0x55, 0x85, 0xa6, 0x30, 0xc8, 0xb6,
+ 0x00
+};
+
+
+static volatile unsigned char part1_2[200] = {
+ 0x6d, 0x0b, 0xab, 0x56, 0x74, 0xe6, 0x1c,
+ 0xff, 0x24, 0xe8, 0x34, 0x8f, 0x00, 0x63,
+ 0xed, 0x47, 0x5d, 0x9b, 0xe1, 0xe0, 0x1d,
+ 0x02, 0x31, 0x22, 0x89, 0xac, 0x1f, 0xc0,
+ 0xbd, 0x29, 0x13, 0x23, 0x3e, 0x98, 0xdd,
+ 0xd0, 0x2a, 0x98, 0x7d, 0x29, 0xff, 0x2a,
+ 0x7a, 0x86, 0x6c, 0x39, 0x22, 0x3b, 0x86,
+ 0x86, 0xfa, 0x78, 0x31, 0xc3, 0x54, 0xa4,
+ 0x78, 0xaa, 0xc3, 0xca, 0x77, 0x32, 0xd3,
+ 0x67, 0xbd, 0x94, 0x9d, 0x7e, 0x6d, 0x31,
+ 0x6b, 0xa1, 0xc3, 0x14, 0x8c, 0x17, 0xb5,
+ 0x64, 0x51, 0x5b, 0x79, 0x51, 0xa8, 0xcf,
+ 0x5d, 0x1a, 0xb4, 0x84, 0x9c, 0x29, 0xf0,
+ 0xe6, 0x69, 0x73, 0x66, 0x0e, 0x4b, 0x3c,
+ 0x7d, 0x99, 0x8b, 0x4e, 0x7d, 0xaf, 0x86,
+ 0x92, 0xff
+};
+
+static volatile unsigned char part2_1[200] = {
+ 0x8b, 0x84, 0xfc, 0x8c, 0x71, 0xb5, 0xd9,
+ 0xaa, 0xda, 0x32, 0xc7, 0xe9, 0x0c, 0x20,
+ 0x40, 0xd4, 0x4b, 0x02, 0x89, 0xca, 0xde,
+ 0x61, 0x9d, 0xfb, 0xb3, 0x8c, 0x97, 0x8a,
+ 0x13, 0x6a, 0x0f, 0xf8, 0xf8, 0x0d, 0x65,
+ 0x1b, 0xe3, 0x05, 0x1e, 0xb6, 0xf6, 0xd9,
+ 0x13, 0xad, 0xeb, 0x38, 0xdd, 0x86, 0xfc,
+ 0x59, 0x2e, 0xf6, 0x2e, 0xf4, 0xb0, 0xb0,
+ 0xfd, 0xb0, 0x70, 0x23, 0xfb, 0xc9, 0x1a,
+ 0x50, 0x89, 0x92, 0xf0, 0x01, 0x09, 0xa1,
+ 0xfd, 0x5b, 0x19, 0x29, 0x73, 0x59, 0x2b,
+ 0x81, 0x83, 0x9e, 0x11, 0xf3, 0xa2, 0x1f,
+ 0xc8, 0x24, 0x53, 0x60, 0x0a, 0x42, 0x78,
+ 0x7a, 0x39, 0xea, 0xc1, 0x59, 0xad, 0xc5,
+ 0x00
+};
+
+static volatile unsigned char part1_1[200] = {
+ 0x1d, 0x79, 0xce, 0x35, 0x1d, 0x95, 0x79,
+ 0xdf, 0x4c, 0x8d, 0x55, 0xeb, 0x20, 0x17,
+ 0x9f, 0x26, 0x3e, 0xf0, 0x88, 0x8e, 0x7a,
+ 0x08, 0x11, 0x52, 0xfc, 0xd8, 0x3f, 0xb9,
+ 0xd2, 0x5c, 0x61, 0x03, 0x56, 0xfd, 0xbc,
+ 0xb4, 0x0a, 0xf1, 0x13, 0x5d, 0x90, 0x0a,
+ 0x0e, 0xee, 0x09, 0x19, 0x45, 0x5a, 0xeb,
+ 0xe3, 0xf0, 0x58, 0x5f, 0xac, 0x23, 0x84,
+ 0x1f, 0xc5, 0xe3, 0xa6, 0x18, 0x5d, 0xb8,
+ 0x47, 0xdc, 0xe6, 0xf2, 0x0b, 0x03, 0x55,
+ 0x61, 0xab, 0xe3, 0x57, 0xe3, 0x67, 0xcc,
+ 0x16, 0x38, 0x3c, 0x11, 0x25, 0x88, 0x8a,
+ 0x24, 0x7f, 0xf7, 0xeb, 0xf2, 0x5d, 0x82,
+ 0x89, 0x05, 0x53, 0x32, 0x6b, 0x28, 0x54,
+ 0x13, 0xf6, 0xe7, 0x21, 0x1a, 0xc6, 0xe3,
+ 0xe1, 0xff
+};
+
+NP_EXPORT(int) NP_GetSignature(tir_signature_t * sig)
+{
+ int i;
+ dbg_report("GetSignature request\n");
+
+ for (i = 0; i < 200; i++)
+ sig->DllSignature[i] = part1_2[i] ^ part1_1[i];
+ for (i = 0; i < 200; i++)
+ sig->AppSignature[i] = part2_1[i] ^ part2_2[i];
+ return 0;
+}
+
+NP_EXPORT(int) NP_QueryVersion(unsigned short * version)
+{
+ dbg_report("QueryVersion request\n");
+ *version=0x0500;
+ return 0;
+}
+/******************************************************************
+ * NP_ReCenter (NPCLIENT.12)
+ */
+
+NP_EXPORT(int) NP_ReCenter(void)
+{
+ dbg_report("ReCenter request\n");
+ return 0;
+}
+
+/******************************************************************
+ * NP_RegisterProgramProfileID (NPCLIENT.13)
+ */
+
+NP_EXPORT(int) NP_RegisterProgramProfileID(unsigned short id)
+{
+ if (FTCreateMapping())
+ pMemData->GameId = id;
+ dbg_report("RegisterProgramProfileID request: %d\n", id);
+ return 0;
+}
+/******************************************************************
+ * NP_RegisterWindowHandle (NPCLIENT.14)
+ */
+
+NP_EXPORT(int) NP_RegisterWindowHandle(HWND hwnd)
+{
+ UNUSED(hwnd);
+ dbg_report("RegisterWindowHandle request: %p\n", (void*) hwnd);
+ return (int) 0;
+}
+/******************************************************************
+ * NP_RequestData (NPCLIENT.15)
+ */
+
+NP_EXPORT(int) NP_RequestData(unsigned short req)
+{
+ UNUSED(req);
+ dbg_report("RequestData request: %d\n", req);
+ return (int) 0;
+}
+/******************************************************************
+ * NP_SetParameter (NPCLIENT.16)
+ */
+
+NP_EXPORT(int) NP_SetParameter(int arg0, int arg1)
+{
+ UNUSED(arg0); UNUSED(arg1);
+ dbg_report("SetParameter request: %d %d\n", arg0, arg1);
+ return (int) 0;
+}
+/******************************************************************
+ * NP_StartCursor (NPCLIENT.17)
+ */
+
+NP_EXPORT(int) NP_StartCursor(void)
+{
+ dbg_report("StartCursor request\n");
+ return (int) 0;
+}
+/******************************************************************
+ * NP_StartDataTransmission (NPCLIENT.18)
+ */
+
+NP_EXPORT(int) NP_StartDataTransmission(void)
+{
+ dbg_report("StartDataTransmission request.\n");
+
+ return (int) 0;
+}
+/******************************************************************
+ * NP_StopCursor (NPCLIENT.19)
+ */
+
+NP_EXPORT(int) NP_StopCursor(void)
+{
+ dbg_report("StopCursor request\n");
+ return (int) 0;
+}
+/******************************************************************
+ * NP_StopDataTransmission (NPCLIENT.20)
+ */
+
+NP_EXPORT(int) NP_StopDataTransmission(void)
+{
+ return (int) 0;
+}
+/******************************************************************
+ * NP_UnregisterWindowHandle (NPCLIENT.21)
+ */
+
+NP_EXPORT(int) NP_UnregisterWindowHandle(void)
+{
+ dbg_report("UnregisterWindowHandle request\n");
+ return (int) 0;
+}
+
+static bool FTCreateMapping(void)
+{
+ if (pMemData)
+ return true;
+
+ dbg_report("FTCreateMapping request (pMemData == NULL).\n");
+
+ HANDLE hFTMutex = CreateMutexA(NULL, FALSE, FREETRACK_MUTEX);
+ CloseHandle(hFTMutex);
+
+ hFTMemMap = CreateFileMappingA(INVALID_HANDLE_VALUE, 0, PAGE_READWRITE, 0, sizeof(FTMemMap), (LPCSTR) FT_MM_DATA);
+ pMemData = (FTMemMap *) MapViewOfFile(hFTMemMap, FILE_MAP_WRITE, 0, 0, sizeof(FTMemMap));
+ return pMemData != NULL;
+}
+
+static void FTDestroyMapping(void)
+{
+ if (pMemData != NULL)
+ UnmapViewOfFile((void*)pMemData);
+
+ CloseHandle(hFTMemMap);
+ pMemData = 0;
+ hFTMemMap = 0;
+}
+
+static __inline double clamp(double x, double xmin, double xmax)
+{
+ if (x > xmax)
+ return xmax;
+
+ if (x < xmin)
+ return xmin;
+
+ return x;
+}
+
+static __inline double clamp_(double x)
+{
+ return clamp(x, -NP_AXIS_MAX, NP_AXIS_MAX);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 02:05:59 +0000