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IOQ3 commit 2086

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This commit is contained in:
Richard Allen 2011-07-18 17:17:59 +00:00
parent 7b29f92e36
commit 54cfc7d84b
3 changed files with 51 additions and 18 deletions
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47
reaction/code/qcommon/msg.c
View file

@ -140,23 +140,28 @@ void MSG_WriteBits( msg_t *msg, int value, int bits ) {
bits = -bits;
}
if (msg->oob) {
if (bits==8) {
if(bits==8)
{
msg->data[msg->cursize] = value;
msg->cursize += 1;
msg->bit += 8;
} else if (bits==16) {
unsigned short *sp = (unsigned short *)&msg->data[msg->cursize];
*sp = LittleShort(value);
}
else if(bits==16)
{
short temp = value;
CopyLittleShort(&msg->data[msg->cursize], &temp);
msg->cursize += 2;
msg->bit += 16;
} else if (bits==32) {
unsigned int *ip = (unsigned int *)&msg->data[msg->cursize];
*ip = LittleLong(value);
}
else if(bits==32)
{
CopyLittleLong(&msg->data[msg->cursize], &value);
msg->cursize += 4;
msg->bit += 32;
} else {
Com_Error(ERR_DROP, "can't read %d bits", bits);
}
else
Com_Error(ERR_DROP, "can't write %d bits", bits);
} else {
// fp = fopen("c:\\netchan.bin", "a");
value &= (0xffffffff>>(32-bits));
@ -198,23 +203,29 @@ int MSG_ReadBits( msg_t *msg, int bits ) {
}
if (msg->oob) {
if (bits==8) {
if(bits==8)
{
value = msg->data[msg->readcount];
msg->readcount += 1;
msg->bit += 8;
} else if (bits==16) {
unsigned short *sp = (unsigned short *)&msg->data[msg->readcount];
value = LittleShort(*sp);
}
else if(bits==16)
{
short temp;
CopyLittleShort(&temp, &msg->data[msg->readcount]);
value = temp;
msg->readcount += 2;
msg->bit += 16;
} else if (bits==32) {
unsigned int *ip = (unsigned int *)&msg->data[msg->readcount];
value = LittleLong(*ip);
}
else if(bits==32)
{
CopyLittleLong(&value, &msg->data[msg->readcount]);
msg->readcount += 4;
msg->bit += 32;
} else {
Com_Error(ERR_DROP, "can't read %d bits", bits);
}
else
Com_Error(ERR_DROP, "can't read %d bits", bits);
} else {
nbits = 0;
if (bits&7) {

4
reaction/code/qcommon/q_platform.h
View file

@ -348,6 +348,8 @@ float FloatSwap (const float *f);
#error "Endianness defined as both big and little"
#elif defined( Q3_BIG_ENDIAN )
#define CopyLittleShort(dest, src) CopyShortSwap(dest, src)
#define CopyLittleLong(dest, src) CopyLongSwap(dest, src)
#define LittleShort(x) ShortSwap(x)
#define LittleLong(x) LongSwap(x)
#define LittleFloat(x) FloatSwap(&x)
@ -357,6 +359,8 @@ float FloatSwap (const float *f);
#elif defined( Q3_LITTLE_ENDIAN )
#define CopyLittleShort(dest, src) Com_Memcpy(dest, src, 2)
#define CopyLittleLong(dest, src) Com_Memcpy(dest, src, 4)
#define LittleShort
#define LittleLong
#define LittleFloat

18
reaction/code/qcommon/q_shared.c
View file

@ -129,6 +129,24 @@ float BigFloat (const float *l) {return _BigFloat(l);}
float LittleFloat (const float *l) {return _LittleFloat(l);}
*/
void CopyShortSwap(void *dest, void *src)
{
byte *to = dest, *from = src;
to[0] = from[1];
to[1] = from[0];
}
void CopyLongSwap(void *dest, void *src)
{
byte *to = dest, *from = src;
to[0] = from[3];
to[1] = from[2];
to[2] = from[1];
to[3] = from[0];
}
short ShortSwap (short l)
{
byte b1,b2;