shuffle fields in msurface_t to reduce memory usage on 64bit

[xonotic/darkplaces.git] / common.c

diff --git a/common.c b/common.c
index e29a00ab4b44136e15d931d76be0f60ad412b1d6..12a42555b96b4cbc545c6a17ef14ffe135b77ddc 100644 (file)
--- a/common.c
+++ b/common.c
@@ -51,68 +51,78 @@ char com_modname[MAX_OSPATH] = "";
 ============================================================================
 */
 
 ============================================================================
 */
 

-short   ShortSwap (short l)
-{
-       unsigned char    b1,b2;
-
-       b1 = l&255;
-       b2 = (l>>8)&255;

 
 

-       return (b1<<8) + b2;
+float BuffBigFloat (const unsigned char *buffer)
+{
+       union
+       {
+               float f;
+               unsigned int i;
+       }
+       u;
+       u.i = (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3];
+       return u.f;

 }
 
 }
 

-int    LongSwap (int l)
+int BuffBigLong (const unsigned char *buffer)

 {
 {

-       unsigned char    b1,b2,b3,b4;
-
-       b1 = l&255;
-       b2 = (l>>8)&255;
-       b3 = (l>>16)&255;
-       b4 = (l>>24)&255;
+       return (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3];
+}

 
 

-       return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
+short BuffBigShort (const unsigned char *buffer)
+{
+       return (buffer[0] << 8) | buffer[1];

 }
 
 }
 

-float FloatSwap (float f)
+float BuffLittleFloat (const unsigned char *buffer)

 {
        union
        {
 {
        union
        {

-               float   f;
-               unsigned char    b[4];
-       } dat1, dat2;
-
-
-       dat1.f = f;
-       dat2.b[0] = dat1.b[3];
-       dat2.b[1] = dat1.b[2];
-       dat2.b[2] = dat1.b[1];
-       dat2.b[3] = dat1.b[0];
-       return dat2.f;
+               float f;
+               unsigned int i;
+       }
+       u;
+       u.i = (buffer[3] << 24) | (buffer[2] << 16) | (buffer[1] << 8) | buffer[0];
+       return u.f;

 }
 
 }
 

+int BuffLittleLong (const unsigned char *buffer)
+{
+       return (buffer[3] << 24) | (buffer[2] << 16) | (buffer[1] << 8) | buffer[0];
+}

 
 

-// Extract integers from buffers
-
-unsigned int BuffBigLong (const unsigned char *buffer)
+short BuffLittleShort (const unsigned char *buffer)

 {
 {

-       return (buffer[0] << 24) | (buffer[1] << 16) | (buffer[2] << 8) | buffer[3];
+       return (buffer[1] << 8) | buffer[0];

 }
 
 }
 

-unsigned short BuffBigShort (const unsigned char *buffer)
+void StoreBigLong (unsigned char *buffer, unsigned int i)

 {
 {

-       return (buffer[0] << 8) | buffer[1];
+       buffer[0] = (i >> 24) & 0xFF;
+       buffer[1] = (i >> 16) & 0xFF;
+       buffer[2] = (i >>  8) & 0xFF;
+       buffer[3] = i         & 0xFF;

 }
 
 }
 

-unsigned int BuffLittleLong (const unsigned char *buffer)
+void StoreBigShort (unsigned char *buffer, unsigned short i)

 {
 {

-       return (buffer[3] << 24) | (buffer[2] << 16) | (buffer[1] << 8) | buffer[0];
+       buffer[0] = (i >>  8) & 0xFF;
+       buffer[1] = i         & 0xFF;

 }
 
 }
 

-unsigned short BuffLittleShort (const unsigned char *buffer)
+void StoreLittleLong (unsigned char *buffer, unsigned int i)

 {
 {

-       return (buffer[1] << 8) | buffer[0];
+       buffer[0] = i         & 0xFF;
+       buffer[1] = (i >>  8) & 0xFF;
+       buffer[2] = (i >> 16) & 0xFF;
+       buffer[3] = (i >> 24) & 0xFF;

 }
 
 }
 

+void StoreLittleShort (unsigned char *buffer, unsigned short i)
+{
+       buffer[0] = i         & 0xFF;
+       buffer[1] = (i >>  8) & 0xFF;
+}

 
 /*
 ============================================================================
 
 /*
 ============================================================================


@@ -680,6 +690,9 @@ would be good for any more. At the beginning of the string, it will be called
 for the char 0 to initialize a clean state, and then once with the string " "
 (a space) so the routine knows how long a space is.
 
 for the char 0 to initialize a clean state, and then once with the string " "
 (a space) so the routine knows how long a space is.
 

+In case no single character fits into the given width, the wordWidth function
+must return the width of exactly one character.
+

 Wrapped lines get the isContinuation flag set and are continuationWidth less wide.
 
 The sum of the return values of the processLine function will be returned.
 Wrapped lines get the isContinuation flag set and are continuationWidth less wide.
 
 The sum of the return values of the processLine function will be returned.


@@ -749,7 +762,7 @@ int COM_Wordwrap(const char *string, size_t length, float continuationWidth, flo
                                }
                                out_inner:
                                spaceUsedForWord = wordWidth(passthroughCW, cursor, &wordLen, maxWidth - continuationWidth); // this may have reduced wordLen when it won't fit - but this is GOOD. TODO fix words that do fit in a non-continuation line
                                }
                                out_inner:
                                spaceUsedForWord = wordWidth(passthroughCW, cursor, &wordLen, maxWidth - continuationWidth); // this may have reduced wordLen when it won't fit - but this is GOOD. TODO fix words that do fit in a non-continuation line

-                               if(wordLen < 1)
+                               if(wordLen < 1) // cannot happen according to current spec of wordWidth

                                {
                                        wordLen = 1;
                                        spaceUsedForWord = maxWidth + 1; // too high, forces it in a line of itself
                                {
                                        wordLen = 1;
                                        spaceUsedForWord = maxWidth + 1; // too high, forces it in a line of itself


@@ -1492,6 +1505,9 @@ static const gamemode_info_t gamemode_info [GAME_COUNT] =
 // GAME_PROPHECY
 // COMMANDLINEOPTION: Game: -prophecy runs the game Quake (default)
 { "prophecy",                          "-prophecy",            "Prophecy",             "data",         NULL,                   "prophecy",                     "prophecy" },
 // GAME_PROPHECY
 // COMMANDLINEOPTION: Game: -prophecy runs the game Quake (default)
 { "prophecy",                          "-prophecy",            "Prophecy",             "data",         NULL,                   "prophecy",                     "prophecy" },

+// GAME_BLOODOMNICIDE
+// COMMANDLINEOPTION: Game: -omnicide runs the game Blood Omnicide
+{ "omnicide", "-omnicide", "Blood Omnicide", "kain", NULL, "omnicide", "omnicide" },

 };
 
 void COM_InitGameType (void)
 };
 
 void COM_InitGameType (void)