]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - common.c
added COMMANDLINEOPTION comments for every commandline option, these will be listed...
[xonotic/darkplaces.git] / common.c
index cd6c392c2686733c192c889ecbbef1343f4fdbd3..b357905e31edd1f5212e61ba0c3127fdebf2a29c 100644 (file)
--- a/common.c
+++ b/common.c
@@ -41,9 +41,10 @@ const char **com_argv;
 char com_cmdline[CMDLINE_LENGTH];
 
 int gamemode;
-char *gamename;
-char *gamedirname;
-char com_modname[MAX_OSPATH];
+const char *gamename;
+const char *gamedirname;
+const char *gamescreenshotname;
+char com_modname[MAX_OSPATH] = "";
 
 
 /*
@@ -54,15 +55,6 @@ char com_modname[MAX_OSPATH];
 ============================================================================
 */
 
-#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG)
-short   (*BigShort) (short l);
-short   (*LittleShort) (short l);
-int     (*BigLong) (int l);
-int     (*LittleLong) (int l);
-float   (*BigFloat) (float l);
-float   (*LittleFloat) (float l);
-#endif
-
 short   ShortSwap (short l)
 {
        qbyte    b1,b2;
@@ -73,13 +65,6 @@ short   ShortSwap (short l)
        return (b1<<8) + b2;
 }
 
-#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG)
-short   ShortNoSwap (short l)
-{
-       return l;
-}
-#endif
-
 int    LongSwap (int l)
 {
        qbyte    b1,b2,b3,b4;
@@ -92,13 +77,6 @@ int    LongSwap (int l)
        return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
 }
 
-#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG)
-int     LongNoSwap (int l)
-{
-       return l;
-}
-#endif
-
 float FloatSwap (float f)
 {
        union
@@ -116,13 +94,6 @@ float FloatSwap (float f)
        return dat2.f;
 }
 
-#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG)
-float FloatNoSwap (float f)
-{
-       return f;
-}
-#endif
-
 
 // Extract integers from buffers
 
@@ -163,7 +134,7 @@ Handles byte ordering and avoids alignment errors
 void MSG_WriteChar (sizebuf_t *sb, int c)
 {
        qbyte    *buf;
-       
+
        buf = SZ_GetSpace (sb, 1);
        buf[0] = c;
 }
@@ -171,7 +142,7 @@ void MSG_WriteChar (sizebuf_t *sb, int c)
 void MSG_WriteByte (sizebuf_t *sb, int c)
 {
        qbyte    *buf;
-       
+
        buf = SZ_GetSpace (sb, 1);
        buf[0] = c;
 }
@@ -219,30 +190,74 @@ void MSG_WriteString (sizebuf_t *sb, const char *s)
                SZ_Write (sb, s, strlen(s)+1);
 }
 
-// used by server (always latest dpprotocol)
-void MSG_WriteDPCoord (sizebuf_t *sb, float f)
+void MSG_WriteCoord13i (sizebuf_t *sb, float f)
 {
        if (f >= 0)
-               MSG_WriteShort (sb, (int)(f + 0.5f));
+               MSG_WriteShort (sb, (int)(f * 8.0 + 0.5));
        else
-               MSG_WriteShort (sb, (int)(f - 0.5f));
+               MSG_WriteShort (sb, (int)(f * 8.0 - 0.5));
 }
 
-void MSG_WritePreciseAngle (sizebuf_t *sb, float f)
+void MSG_WriteCoord16i (sizebuf_t *sb, float f)
 {
        if (f >= 0)
-               MSG_WriteShort (sb, (int)(f*(65536.0f/360.0f) + 0.5f) & 65535);
+               MSG_WriteShort (sb, (int)(f + 0.5));
+       else
+               MSG_WriteShort (sb, (int)(f - 0.5));
+}
+
+void MSG_WriteCoord32f (sizebuf_t *sb, float f)
+{
+       MSG_WriteFloat (sb, f);
+}
+
+void MSG_WriteCoord (sizebuf_t *sb, float f, int protocol)
+{
+       if (protocol == PROTOCOL_QUAKE)
+               MSG_WriteCoord13i (sb, f);
+       else if (protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES5)
+               MSG_WriteCoord32f (sb, f);
+       else if (protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4)
+               MSG_WriteCoord16i (sb, f);
        else
-               MSG_WriteShort (sb, (int)(f*(65536.0f/360.0f) - 0.5f) & 65535);
+               Host_Error("MSG_WriteCoord: unknown protocol\n");
+}
+
+void MSG_WriteVector (sizebuf_t *sb, float *v, int protocol)
+{
+       MSG_WriteCoord (sb, v[0], protocol);
+       MSG_WriteCoord (sb, v[1], protocol);
+       MSG_WriteCoord (sb, v[2], protocol);
 }
 
 // LordHavoc: round to nearest value, rather than rounding toward zero, fixes crosshair problem
-void MSG_WriteAngle (sizebuf_t *sb, float f)
+void MSG_WriteAngle8i (sizebuf_t *sb, float f)
 {
        if (f >= 0)
-               MSG_WriteByte (sb, (int)(f*(256.0f/360.0f) + 0.5f) & 255);
+               MSG_WriteByte (sb, (int)(f*(256.0/360.0) + 0.5) & 255);
        else
-               MSG_WriteByte (sb, (int)(f*(256.0f/360.0f) - 0.5f) & 255);
+               MSG_WriteByte (sb, (int)(f*(256.0/360.0) - 0.5) & 255);
+}
+
+void MSG_WriteAngle16i (sizebuf_t *sb, float f)
+{
+       if (f >= 0)
+               MSG_WriteShort (sb, (int)(f*(65536.0/360.0) + 0.5) & 65535);
+       else
+               MSG_WriteShort (sb, (int)(f*(65536.0/360.0) - 0.5) & 65535);
+}
+
+void MSG_WriteAngle32f (sizebuf_t *sb, float f)
+{
+       MSG_WriteFloat (sb, f);
+}
+
+void MSG_WriteAngle (sizebuf_t *sb, float f, int protocol)
+{
+       if (protocol == PROTOCOL_DARKPLACES5)
+               MSG_WriteAngle16i (sb, f);
+       else
+               MSG_WriteAngle8i (sb, f);
 }
 
 //
@@ -257,61 +272,81 @@ void MSG_BeginReading (void)
        msg_badread = false;
 }
 
-int MSG_ReadShort (void)
+int MSG_ReadLittleShort (void)
 {
-       int c;
-
        if (msg_readcount+2 > net_message.cursize)
        {
                msg_badread = true;
                return -1;
        }
-
-       c = (short)(net_message.data[msg_readcount]
-       + (net_message.data[msg_readcount+1]<<8));
-
        msg_readcount += 2;
-
-       return c;
+       return (short)(net_message.data[msg_readcount-2] | (net_message.data[msg_readcount-1]<<8));
 }
 
-int MSG_ReadLong (void)
+int MSG_ReadBigShort (void)
 {
-       int c;
+       if (msg_readcount+2 > net_message.cursize)
+       {
+               msg_badread = true;
+               return -1;
+       }
+       msg_readcount += 2;
+       return (short)((net_message.data[msg_readcount-2]<<8) + net_message.data[msg_readcount-1]);
+}
 
+int MSG_ReadLittleLong (void)
+{
        if (msg_readcount+4 > net_message.cursize)
        {
                msg_badread = true;
                return -1;
        }
-
-       c = net_message.data[msg_readcount]
-       + (net_message.data[msg_readcount+1]<<8)
-       + (net_message.data[msg_readcount+2]<<16)
-       + (net_message.data[msg_readcount+3]<<24);
-
        msg_readcount += 4;
+       return net_message.data[msg_readcount-4] | (net_message.data[msg_readcount-3]<<8) | (net_message.data[msg_readcount-2]<<16) | (net_message.data[msg_readcount-1]<<24);
+}
 
-       return c;
+int MSG_ReadBigLong (void)
+{
+       if (msg_readcount+4 > net_message.cursize)
+       {
+               msg_badread = true;
+               return -1;
+       }
+       msg_readcount += 4;
+       return (net_message.data[msg_readcount-4]<<24) + (net_message.data[msg_readcount-3]<<16) + (net_message.data[msg_readcount-2]<<8) + net_message.data[msg_readcount-1];
 }
 
-float MSG_ReadFloat (void)
+float MSG_ReadLittleFloat (void)
 {
        union
        {
-               qbyte b[4];
                float f;
                int l;
        } dat;
-
-       dat.b[0] =      net_message.data[msg_readcount];
-       dat.b[1] =      net_message.data[msg_readcount+1];
-       dat.b[2] =      net_message.data[msg_readcount+2];
-       dat.b[3] =      net_message.data[msg_readcount+3];
+       if (msg_readcount+4 > net_message.cursize)
+       {
+               msg_badread = true;
+               return -1;
+       }
        msg_readcount += 4;
+       dat.l = net_message.data[msg_readcount-4] | (net_message.data[msg_readcount-3]<<8) | (net_message.data[msg_readcount-2]<<16) | (net_message.data[msg_readcount-1]<<24);
+       return dat.f;
+}
 
-       dat.l = LittleLong (dat.l);
-
+float MSG_ReadBigFloat (void)
+{
+       union
+       {
+               float f;
+               int l;
+       } dat;
+       if (msg_readcount+4 > net_message.cursize)
+       {
+               msg_badread = true;
+               return -1;
+       }
+       msg_readcount += 4;
+       dat.l = (net_message.data[msg_readcount-4]<<24) | (net_message.data[msg_readcount-3]<<16) | (net_message.data[msg_readcount-2]<<8) | net_message.data[msg_readcount-1];
        return dat.f;
 }
 
@@ -319,37 +354,76 @@ char *MSG_ReadString (void)
 {
        static char string[2048];
        int l,c;
-
-       l = 0;
-       do
-       {
-               c = MSG_ReadChar ();
-               if (c == -1 || c == 0)
-                       break;
+       for (l = 0;l < (int) sizeof(string) - 1 && (c = MSG_ReadChar()) != -1 && c != 0;l++)
                string[l] = c;
-               l++;
-       } while (l < (int)sizeof(string)-1);
-
        string[l] = 0;
-
        return string;
 }
 
-// used by server (always latest dpprotocol)
-float MSG_ReadDPCoord (void)
+int MSG_ReadBytes (int numbytes, unsigned char *out)
+{
+       int l, c;
+       for (l = 0;l < numbytes && (c = MSG_ReadChar()) != -1;l++)
+               out[l] = c;
+       return l;
+}
+
+float MSG_ReadCoord13i (void)
 {
-       return (signed short) MSG_ReadShort();
+       return MSG_ReadLittleShort() * (1.0/8.0);
 }
 
-// used by client
-float MSG_ReadCoord (void)
+float MSG_ReadCoord16i (void)
 {
-       if (dpprotocol == DPPROTOCOL_VERSION2 || dpprotocol == DPPROTOCOL_VERSION3)
-               return (signed short) MSG_ReadShort();
-       else if (dpprotocol == DPPROTOCOL_VERSION1)
-               return MSG_ReadFloat();
+       return (signed short) MSG_ReadLittleShort();
+}
+
+float MSG_ReadCoord32f (void)
+{
+       return MSG_ReadLittleFloat();
+}
+
+float MSG_ReadCoord (int protocol)
+{
+       if (protocol == PROTOCOL_QUAKE)
+               return MSG_ReadCoord13i();
+       else if (protocol == PROTOCOL_DARKPLACES1 || protocol == PROTOCOL_DARKPLACES5)
+               return MSG_ReadCoord32f();
+       else if (protocol == PROTOCOL_DARKPLACES2 || protocol == PROTOCOL_DARKPLACES3 || protocol == PROTOCOL_DARKPLACES4)
+               return MSG_ReadCoord16i();
+       Host_Error("MSG_ReadCoord: unknown protocol\n");
+       return 0;
+}
+
+void MSG_ReadVector (float *v, int protocol)
+{
+       v[0] = MSG_ReadCoord(protocol);
+       v[1] = MSG_ReadCoord(protocol);
+       v[2] = MSG_ReadCoord(protocol);
+}
+
+// LordHavoc: round to nearest value, rather than rounding toward zero, fixes crosshair problem
+float MSG_ReadAngle8i (void)
+{
+       return (signed char) MSG_ReadByte () * (360.0/256.0);
+}
+
+float MSG_ReadAngle16i (void)
+{
+       return (signed short)MSG_ReadShort () * (360.0/65536.0);
+}
+
+float MSG_ReadAngle32f (void)
+{
+       return MSG_ReadFloat ();
+}
+
+float MSG_ReadAngle (int protocol)
+{
+       if (protocol == PROTOCOL_DARKPLACES5)
+               return MSG_ReadAngle16i ();
        else
-               return MSG_ReadShort() * (1.0f/8.0f);
+               return MSG_ReadAngle8i ();
 }
 
 
@@ -359,7 +433,7 @@ void SZ_Alloc (sizebuf_t *buf, int startsize, const char *name)
 {
        if (startsize < 256)
                startsize = 256;
-       buf->mempool = Mem_AllocPool(name);
+       buf->mempool = Mem_AllocPool(name, 0, NULL);
        buf->data = Mem_Alloc(buf->mempool, startsize);
        buf->maxsize = startsize;
        buf->cursize = 0;
@@ -392,7 +466,7 @@ void *SZ_GetSpace (sizebuf_t *buf, int length)
                        Host_Error ("SZ_GetSpace: %i is > full buffer size\n", length);
 
                buf->overflowed = true;
-               Con_Print("SZ_GetSpace: overflow\n");
+               Con_Print("SZ_GetSpace: overflow\n");
                SZ_Clear (buf);
        }
 
@@ -407,17 +481,9 @@ void SZ_Write (sizebuf_t *buf, const void *data, int length)
        memcpy (SZ_GetSpace(buf,length),data,length);
 }
 
-void SZ_Print (sizebuf_t *buf, const char *data)
-{
-       int len;
-       len = strlen(data)+1;
-
-// byte * cast to keep VC++ happy
-       if (buf->data[buf->cursize-1])
-               memcpy ((qbyte *)SZ_GetSpace(buf, len),data,len); // no trailing 0
-       else
-               memcpy ((qbyte *)SZ_GetSpace(buf, len-1)-1,data,len); // write over trailing 0
-}
+// LordHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
+// attention, it has been eradicated from here, its only (former) use in
+// all of darkplaces.
 
 static char *hexchar = "0123456789ABCDEF";
 void Com_HexDumpToConsole(const qbyte *data, int size)
@@ -434,39 +500,47 @@ void Com_HexDumpToConsole(const qbyte *data, int size)
                if (n > size - i)
                        n = size - i;
                d = data + i;
+               // print offset
                *cur++ = hexchar[(i >> 12) & 15];
                *cur++ = hexchar[(i >>  8) & 15];
                *cur++ = hexchar[(i >>  4) & 15];
                *cur++ = hexchar[(i >>  0) & 15];
                *cur++ = ':';
-               for (j = 0;j < n;j++)
+               // print hex
+               for (j = 0;j < 16;j++)
                {
-                       if (j & 1)
+                       if (j < n)
                        {
-                               *cur++ = hexchar[(d[j] >> 4) & 15] | 0x80;
-                               *cur++ = hexchar[(d[j] >> 0) & 15] | 0x80;
+                               *cur++ = hexchar[(d[j] >> 4) & 15];
+                               *cur++ = hexchar[(d[j] >> 0) & 15];
                        }
                        else
                        {
-                               *cur++ = hexchar[(d[j] >> 4) & 15];
-                               *cur++ = hexchar[(d[j] >> 0) & 15];
+                               *cur++ = ' ';
+                               *cur++ = ' ';
                        }
+                       if ((j & 3) == 3)
+                               *cur++ = ' ';
                }
-               for (;j < 16;j++)
+               // print text
+               for (j = 0;j < 16;j++)
                {
-                       *cur++ = ' ';
-                       *cur++ = ' ';
+                       if (j < n)
+                       {
+                               if (d[j] >= ' ' && d[j] <= 127)
+                                       *cur++ = d[j];
+                               else
+                                       *cur++ = '.';
+                       }
+                       else
+                               *cur++ = ' ';
                }
-               for (j = 0;j < n;j++)
-                       *cur++ = (d[j] >= ' ' && d[j] <= 0x7E) ? d[j] : '.';
-               for (;j < 16;j++)
-                       *cur++ = ' ';
                *cur++ = '\n';
                i += n;
                if (cur >= flushpointer || i >= size)
                {
                        *cur++ = 0;
-                       Con_Printf("%s", text);
+                       Con_Print(text);
                        cur = text;
                }
        }
@@ -488,9 +562,8 @@ COM_ParseToken
 Parse a token out of a string
 ==============
 */
-int COM_ParseToken (const char **datapointer)
+int COM_ParseToken(const char **datapointer, int returnnewline)
 {
-       int c;
        int len;
        const char *data = *datapointer;
 
@@ -505,68 +578,150 @@ int COM_ParseToken (const char **datapointer)
 
 // skip whitespace
 skipwhite:
-       while ((c = *data) <= ' ')
+       for (;*data <= ' ' && (*data != '\n' || !returnnewline);data++)
        {
-               if (c == 0)
+               if (*data == 0)
                {
                        // end of file
                        *datapointer = NULL;
                        return false;
                }
-               data++;
        }
 
-// skip // comments
-       if (c=='/' && data[1] == '/')
+       if (data[0] == '/' && data[1] == '/')
        {
+               // comment
                while (*data && *data != '\n')
                        data++;
                goto skipwhite;
        }
-
-
-// handle quoted strings specially
-       if (c == '\"')
+       else if (data[0] == '/' && data[1] == '*')
        {
+               // comment
                data++;
-               while (1)
+               while (*data && (data[0] != '*' || data[1] != '/'))
+                       data++;
+               data += 2;
+               goto skipwhite;
+       }
+       else if (*data == '\"')
+       {
+               // quoted string
+               for (data++;*data != '\"';data++)
                {
-                       c = *data++;
-                       if (c=='\"' || !c)
+                       if (!*data || len >= (int)sizeof(com_token) - 1)
                        {
-                               com_token[len] = 0;
-                               *datapointer = data;
-                               return true;
+                               com_token[0] = 0;
+                               *datapointer = NULL;
+                               return false;
                        }
-                       com_token[len] = c;
-                       len++;
+                       com_token[len++] = *data;
                }
+               com_token[len] = 0;
+               *datapointer = data+1;
+               return true;
        }
-
-// parse single characters
-       if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':')
+       else if (*data == '\n' || *data == '{' || *data == '}' || *data == ')' || *data == '(' || *data == ']' || *data == '[' || *data == '\'' || *data == ':' || *data == ',' || *data == ';')
        {
-               com_token[len] = c;
-               len++;
+               // single character
+               com_token[len++] = *data++;
                com_token[len] = 0;
-               *datapointer = data+1;
+               *datapointer = data;
+               return true;
+       }
+       else
+       {
+               // regular word
+               for (;*data > ' ' && *data != '{' && *data != '}' && *data != ')' && *data != '(' && *data != ']' && *data != '[' && *data != '\'' && *data != ':' && *data != ',' && *data != ';';data++)
+               {
+                       if (len >= (int)sizeof(com_token) - 1)
+                       {
+                               com_token[0] = 0;
+                               *datapointer = NULL;
+                               return false;
+                       }
+                       com_token[len++] = *data;
+               }
+               com_token[len] = 0;
+               *datapointer = data;
                return true;
        }
+}
+
+/*
+==============
+COM_ParseTokenConsole
+
+Parse a token out of a string, behaving like the qwcl console
+==============
+*/
+int COM_ParseTokenConsole(const char **datapointer)
+{
+       int len;
+       const char *data = *datapointer;
 
-// parse a regular word
-       do
+       len = 0;
+       com_token[0] = 0;
+
+       if (!data)
        {
-               com_token[len] = c;
-               data++;
-               len++;
-               c = *data;
-               if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':')
-                       break;
-       } while (c>32);
+               *datapointer = NULL;
+               return false;
+       }
 
-       com_token[len] = 0;
-       *datapointer = data;
-       return true;
+// skip whitespace
+skipwhite:
+       for (;*data <= ' ';data++)
+       {
+               if (*data == 0)
+               {
+                       // end of file
+                       *datapointer = NULL;
+                       return false;
+               }
+       }
+
+       if (*data == '/' && data[1] == '/')
+       {
+               // comment
+               while (*data && *data != '\n')
+                       data++;
+               goto skipwhite;
+       }
+       else if (*data == '\"')
+       {
+               // quoted string
+               for (data++;*data != '\"';data++)
+               {
+                       if (!*data || len >= (int)sizeof(com_token) - 1)
+                       {
+                               com_token[0] = 0;
+                               *datapointer = NULL;
+                               return false;
+                       }
+                       com_token[len++] = *data;
+               }
+               com_token[len] = 0;
+               *datapointer = data+1;
+               return true;
+       }
+       else
+       {
+               // regular word
+               for (;*data > ' ';data++)
+               {
+                       if (len >= (int)sizeof(com_token) - 1)
+                       {
+                               com_token[0] = 0;
+                               *datapointer = NULL;
+                               return false;
+                       }
+                       com_token[len++] = *data;
+               }
+               com_token[len] = 0;
+               *datapointer = data;
+               return true;
+       }
 }
 
 
@@ -610,14 +765,14 @@ void COM_CheckRegistered (void)
        if (!FS_FileExists("gfx/pop.lmp"))
        {
                if (fs_modified)
-                       Con_Print("Playing shareware version, with modification.\nwarning: most mods require full quake data.\n");
+                       Con_Print("Playing shareware version, with modification.\nwarning: most mods require full quake data.\n");
                else
-                       Con_Print("Playing shareware version.\n");
+                       Con_Print("Playing shareware version.\n");
                return;
        }
 
        Cvar_Set ("registered", "1");
-       Con_Print("Playing registered version.\n");
+       Con_Print("Playing registered version.\n");
 }
 
 
@@ -634,8 +789,19 @@ void COM_InitArgv (void)
        for (j = 0;(j < MAX_NUM_ARGVS) && (j < com_argc);j++)
        {
                i = 0;
-               while ((n < (CMDLINE_LENGTH - 1)) && com_argv[j][i])
-                       com_cmdline[n++] = com_argv[j][i++];
+               if (strstr(com_argv[j], " "))
+               {
+                       // arg contains whitespace, store quotes around it
+                       com_cmdline[n++] = '\"';
+                       while ((n < (CMDLINE_LENGTH - 1)) && com_argv[j][i])
+                               com_cmdline[n++] = com_argv[j][i++];
+                       com_cmdline[n++] = '\"';
+               }
+               else
+               {
+                       while ((n < (CMDLINE_LENGTH - 1)) && com_argv[j][i])
+                               com_cmdline[n++] = com_argv[j][i++];
+               }
                if (n < (CMDLINE_LENGTH - 1))
                        com_cmdline[n++] = ' ';
                else
@@ -644,68 +810,107 @@ void COM_InitArgv (void)
        com_cmdline[n] = 0;
 }
 
+
+//===========================================================================
+
+// Game mods
+
+typedef struct
+{
+       const char* prog_name;
+       const char* cmdline;
+       const char* gamename;
+       const char* gamedirname;
+       const char* gamescreenshotname;
+} gamemode_info_t;
+
+static const gamemode_info_t gamemode_info [] =
+{// prog_name          cmdline                 gamename                                gamedirname     gamescreenshotname
+
+// GAME_NORMAL
+// COMMANDLINEOPTION: -quake runs the game Quake (default)
+{ "",                          "-quake",               "DarkPlaces-Quake",             "",                     "dp" },
+// GAME_HIPNOTIC
+// COMMANDLINEOPTION: -hipnotic runs Quake mission pack 1: The Scourge of Armagon
+{ "hipnotic",          "-hipnotic",    "Darkplaces-Hipnotic",  "hipnotic",     "dp" },
+// GAME_ROGUE
+// COMMANDLINEOPTION: -rogue runs Quake mission pack 2: The Dissolution of Eternity
+{ "rogue",                     "-rogue",               "Darkplaces-Rogue",             "rogue",        "dp" },
+// GAME_NEHAHRA
+// COMMANDLINEOPTION: -nehahra runs The Seal of Nehahra movie and game
+{ "nehahra",           "-nehahra",             "DarkPlaces-Nehahra",   "nehahra",      "dp" },
+// GAME_NEXUIZ
+// COMMANDLINEOPTION: -nexuiz runs the multiplayer game Nexuiz
+{ "nexuiz",                    "-nexuiz",              "Nexuiz",                               "data",         "nexuiz" },
+// GAME_TRANSFUSION
+// COMMANDLINEOPTION: -transfusion runs Transfusion (the recreation of Blood in Quake)
+{ "transfusion",       "-transfusion", "Transfusion",                  "basetf",       "transfusion" },
+// GAME_GOODVSBAD2
+// COMMANDLINEOPTION: -goodvsbad2 runs the psychadelic RTS FPS game Good Vs Bad 2
+{ "gvb2",                      "-goodvsbad2",  "GoodVs.Bad2",                  "rts",          "gvb2" },
+// GAME_TEU
+// COMMANDLINEOPTION: -teu runs The Evil Unleashed (this option is obsolete as they are not using darkplaces)
+{ "teu",                       "-teu",                 "TheEvilUnleashed",             "baseteu",      "teu" },
+// GAME_BATTLEMECH
+// COMMANDLINEOPTION: -battlemech runs the multiplayer topdown deathmatch game BattleMech 
+{ "battlemech",                "-battlemech",  "Battlemech",                   "base",         "battlemech" },
+// GAME_ZYMOTIC
+// COMMANDLINEOPTION: -zymotic runs the singleplayer game Zymotic
+{ "zymotic",           "-zymotic",             "Zymotic",                              "data",         "zymotic" },
+// GAME_FNIGGIUM
+// COMMANDLINEOPTION: -fniggium runs the post apocalyptic melee RPG Fniggium 
+{ "fniggium",          "-fniggium",    "Fniggium",                             "data",         "fniggium" },
+// GAME_SETHERAL
+// COMMANDLINEOPTION: -setheral runs the multiplayer game Setheral 
+{ "setheral",          "-setheral",    "Setheral",                             "data",         "setheral" },
+// GAME_SOM
+// COMMANDLINEOPTION: -som runs the multiplayer game Son Of Man 
+{ "som",                       "-som",                 "Son of Man",                   "sonofman",     "som" },
+// GAME_TENEBRAE
+// COMMANDLINEOPTION: -tenebrae runs the graphics test mod known as Tenebrae (some features not implemented)
+{ "tenebrae",          "-tenebrae",    "DarkPlaces-Tenebrae",  "tenebrae",     "dp" },
+// GAME_NEOTERIC
+// COMMANDLINEOPTION: -neoteric runs the game Neoteric
+{ "neoteric",          "-neoteric",    "Neoteric",                             "neobase",      "neo" },
+// GAME_OPENQUARTZ
+// COMMANDLINEOPTION: -openquartz runs the game OpenQuartz, a standalone GPL replacement of the quake content
+{ "openquartz",                "-openquartz",  "OpenQuartz",                   "id1",          "openquartz"},
+// GAME_PRYDON
+// COMMANDLINEOPTION: -prydon runs the topdown point and click action-RPG Prydon Gate
+{ "prydon",                    "-prydon",              "PrydonGate",                   "prydon",       "prydon"},
+// GAME_NETHERWORLD
+// COMMANDLINEOPTION: -netherworld runs the game Netherworld: Dark Masters
+{ "netherworld",       "-netherworld", "Dark Masters",                 "netherworld",  "nw"},
+};
+
 void COM_InitGameType (void)
 {
-       char name[MAX_OSPATH];
-       FS_StripExtension(com_argv[0], name);
-       COM_ToLowerString(name, name);
-
-       if (strstr(name, "transfusion"))
-               gamemode = GAME_TRANSFUSION;
-       else if (strstr(name, "nexiuz"))
-               gamemode = GAME_NEXIUZ;
-       else if (strstr(name, "nehahra"))
-               gamemode = GAME_NEHAHRA;
-       else if (strstr(name, "hipnotic"))
-               gamemode = GAME_HIPNOTIC;
-       else if (strstr(name, "rogue"))
-               gamemode = GAME_ROGUE;
-       else
-               gamemode = GAME_NORMAL;
-
-       if (COM_CheckParm ("-transfusion"))
-               gamemode = GAME_TRANSFUSION;
-       else if (COM_CheckParm ("-nexiuz"))
-               gamemode = GAME_NEXIUZ;
-       else if (COM_CheckParm ("-nehahra"))
-               gamemode = GAME_NEHAHRA;
-       else if (COM_CheckParm ("-hipnotic"))
-               gamemode = GAME_HIPNOTIC;
-       else if (COM_CheckParm ("-rogue"))
-               gamemode = GAME_ROGUE;
-       else if (COM_CheckParm ("-quake"))
-               gamemode = GAME_NORMAL;
-
-       switch(gamemode)
-       {
-       case GAME_NORMAL:
-               gamename = "DarkPlaces-Quake";
-               gamedirname = "";
-               break;
-       case GAME_HIPNOTIC:
-               gamename = "Darkplaces-Hipnotic";
-               gamedirname = "hipnotic";
-               break;
-       case GAME_ROGUE:
-               gamename = "Darkplaces-Rogue";
-               gamedirname = "rogue";
-               break;
-       case GAME_NEHAHRA:
-               gamename = "DarkPlaces-Nehahra";
-               gamedirname = "nehahra";
-               break;
-       case GAME_NEXIUZ:
-               gamename = "Nexiuz";
-               gamedirname = "data";
-               break;
-       case GAME_TRANSFUSION:
-               gamename = "Transfusion";
-               gamedirname = "transfusion";
-               break;
-       default:
-               Sys_Error("COM_InitGameType: unknown gamemode %i\n", gamemode);
-               break;
-       }
+       char name [MAX_OSPATH];
+       unsigned int i;
+
+       FS_StripExtension (com_argv[0], name, sizeof (name));
+       COM_ToLowerString (name, name, sizeof (name));
+
+       // Check the binary name; default to GAME_NORMAL (0)
+       gamemode = GAME_NORMAL;
+       for (i = 1; i < sizeof (gamemode_info) / sizeof (gamemode_info[0]); i++)
+               if (strstr (name, gamemode_info[i].prog_name))
+               {
+                       gamemode = i;
+                       break;
+               }
+
+       // Look for a command-line option
+       for (i = 0; i < sizeof (gamemode_info) / sizeof (gamemode_info[0]); i++)
+               if (COM_CheckParm (gamemode_info[i].cmdline))
+               {
+                       gamemode = i;
+                       break;
+               }
+
+       gamename = gamemode_info[gamemode].gamename;
+       gamedirname = gamemode_info[gamemode].gamedirname;
+       gamescreenshotname = gamemode_info[gamemode].gamescreenshotname;
 }
 
 
@@ -719,39 +924,14 @@ COM_Init
 */
 void COM_Init (void)
 {
-#if !defined(ENDIAN_LITTLE) && !defined(ENDIAN_BIG)
-       qbyte swaptest[2] = {1,0};
-
-// set the byte swapping variables in a portable manner
-       if ( *(short *)swaptest == 1)
-       {
-               BigShort = ShortSwap;
-               LittleShort = ShortNoSwap;
-               BigLong = LongSwap;
-               LittleLong = LongNoSwap;
-               BigFloat = FloatSwap;
-               LittleFloat = FloatNoSwap;
-       }
-       else
-       {
-               BigShort = ShortNoSwap;
-               LittleShort = ShortSwap;
-               BigLong = LongNoSwap;
-               LittleLong = LongSwap;
-               BigFloat = FloatNoSwap;
-               LittleFloat = FloatSwap;
-       }
-#endif
-
        Cvar_RegisterVariable (&registered);
        Cvar_RegisterVariable (&cmdline);
 
        Mathlib_Init();
 
        FS_Init ();
+       Log_Init ();
        COM_CheckRegistered ();
-
-       COM_InitGameType();
 }
 
 
@@ -774,7 +954,7 @@ char *va(const char *format, ...)
        s = string[stringindex];
        stringindex = (stringindex + 1) & 7;
        va_start (argptr, format);
-       vsprintf (s, format,argptr);
+       vsnprintf (s, sizeof (string[0]), format,argptr);
        va_end (argptr);
 
        return s;
@@ -782,28 +962,37 @@ char *va(const char *format, ...)
 
 
 //======================================
-// LordHavoc: added these because they are useful
 
-void COM_ToLowerString(const char *in, char *out)
+void COM_ToLowerString (const char *in, char *out, size_t size_out)
 {
-       while (*in)
+       if (size_out == 0)
+               return;
+
+       while (*in && size_out > 1)
        {
                if (*in >= 'A' && *in <= 'Z')
                        *out++ = *in++ + 'a' - 'A';
                else
                        *out++ = *in++;
+               size_out--;
        }
+       *out = '\0';
 }
 
-void COM_ToUpperString(const char *in, char *out)
+void COM_ToUpperString (const char *in, char *out, size_t size_out)
 {
-       while (*in)
+       if (size_out == 0)
+               return;
+
+       while (*in && size_out > 1)
        {
                if (*in >= 'a' && *in <= 'z')
                        *out++ = *in++ + 'A' - 'a';
                else
                        *out++ = *in++;
+               size_out--;
        }
+       *out = '\0';
 }
 
 int COM_StringBeginsWith(const char *s, const char *match)
@@ -813,3 +1002,207 @@ int COM_StringBeginsWith(const char *s, const char *match)
                        return false;
        return true;
 }
+
+int COM_ReadAndTokenizeLine(const char **text, char **argv, int maxargc, char *tokenbuf, int tokenbufsize, const char *commentprefix)
+{
+       int argc, commentprefixlength;
+       char *tokenbufend;
+       const char *l;
+       argc = 0;
+       tokenbufend = tokenbuf + tokenbufsize;
+       l = *text;
+       commentprefixlength = 0;
+       if (commentprefix)
+               commentprefixlength = strlen(commentprefix);
+       while (*l && *l != '\n')
+       {
+               if (*l > ' ')
+               {
+                       if (commentprefixlength && !strncmp(l, commentprefix, commentprefixlength))
+                       {
+                               while (*l && *l != '\n')
+                                       l++;
+                               break;
+                       }
+                       if (argc >= maxargc)
+                               return -1;
+                       argv[argc++] = tokenbuf;
+                       if (*l == '"')
+                       {
+                               l++;
+                               while (*l && *l != '"')
+                               {
+                                       if (tokenbuf >= tokenbufend)
+                                               return -1;
+                                       *tokenbuf++ = *l++;
+                               }
+                               if (*l == '"')
+                                       l++;
+                       }
+                       else
+                       {
+                               while (*l > ' ')
+                               {
+                                       if (tokenbuf >= tokenbufend)
+                                               return -1;
+                                       *tokenbuf++ = *l++;
+                               }
+                       }
+                       if (tokenbuf >= tokenbufend)
+                               return -1;
+                       *tokenbuf++ = 0;
+               }
+               else
+                       l++;
+       }
+       if (*l == '\n')
+               l++;
+       *text = l;
+       return argc;
+}
+
+// written by Elric, thanks Elric!
+char *SearchInfostring(const char *infostring, const char *key)
+{
+       static char value [256];
+       char crt_key [256];
+       size_t value_ind, key_ind;
+       char c;
+
+       if (*infostring++ != '\\')
+               return NULL;
+
+       value_ind = 0;
+       for (;;)
+       {
+               key_ind = 0;
+
+               // Get the key name
+               for (;;)
+               {
+                       c = *infostring++;
+
+                       if (c == '\0')
+                               return NULL;
+                       if (c == '\\' || key_ind == sizeof (crt_key) - 1)
+                       {
+                               crt_key[key_ind] = '\0';
+                               break;
+                       }
+
+                       crt_key[key_ind++] = c;
+               }
+
+               // If it's the key we are looking for, save it in "value"
+               if (!strcmp(crt_key, key))
+               {
+                       for (;;)
+                       {
+                               c = *infostring++;
+
+                               if (c == '\0' || c == '\\' || value_ind == sizeof (value) - 1)
+                               {
+                                       value[value_ind] = '\0';
+                                       return value;
+                               }
+
+                               value[value_ind++] = c;
+                       }
+               }
+
+               // Else, skip the value
+               for (;;)
+               {
+                       c = *infostring++;
+
+                       if (c == '\0')
+                               return NULL;
+                       if (c == '\\')
+                               break;
+               }
+       }
+}
+
+
+//========================================================
+// strlcat and strlcpy, from OpenBSD
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*     $OpenBSD: strlcat.c,v 1.11 2003/06/17 21:56:24 millert Exp $    */
+/*     $OpenBSD: strlcpy.c,v 1.8 2003/06/17 21:56:24 millert Exp $     */
+
+
+#ifndef HAVE_STRLCAT
+size_t
+strlcat(char *dst, const char *src, size_t siz)
+{
+       register char *d = dst;
+       register const char *s = src;
+       register size_t n = siz;
+       size_t dlen;
+
+       /* Find the end of dst and adjust bytes left but don't go past end */
+       while (n-- != 0 && *d != '\0')
+               d++;
+       dlen = d - dst;
+       n = siz - dlen;
+
+       if (n == 0)
+               return(dlen + strlen(s));
+       while (*s != '\0') {
+               if (n != 1) {
+                       *d++ = *s;
+                       n--;
+               }
+               s++;
+       }
+       *d = '\0';
+
+       return(dlen + (s - src));       /* count does not include NUL */
+}
+#endif  // #ifndef HAVE_STRLCAT
+
+
+#ifndef HAVE_STRLCPY
+size_t
+strlcpy(char *dst, const char *src, size_t siz)
+{
+       register char *d = dst;
+       register const char *s = src;
+       register size_t n = siz;
+
+       /* Copy as many bytes as will fit */
+       if (n != 0 && --n != 0) {
+               do {
+                       if ((*d++ = *s++) == 0)
+                               break;
+               } while (--n != 0);
+       }
+
+       /* Not enough room in dst, add NUL and traverse rest of src */
+       if (n == 0) {
+               if (siz != 0)
+                       *d = '\0';              /* NUL-terminate dst */
+               while (*s++)
+                       ;
+       }
+
+       return(s - src - 1);    /* count does not include NUL */
+}
+
+#endif  // #ifndef HAVE_STRLCPY