diff options
Diffstat (limited to 'src/Serialize.cpp')
-rw-r--r-- | src/Serialize.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/Serialize.cpp b/src/Serialize.cpp new file mode 100644 index 0000000..589dcb9 --- /dev/null +++ b/src/Serialize.cpp @@ -0,0 +1,107 @@ +#include <unistd.h> + +#include "Models.h" +#include "Quaternions.h" +#include "Serialize.h" + +/* these all read big-endian data */ + +int ReadBool(int fd, int count, bool *b) +{ + while (count--) { + unsigned char buf[1]; + + if (read(fd, buf, 1) != 1) { + STUB_FUNCTION; + } + + *b = (buf[0] != 0) ? true : false; + + b++; + } + + return 1; +} + +int ReadShort(int fd, int count, short *s) +{ + while (count--) { + unsigned char buf[2]; + + if (read(fd, buf, 2) != 2) { + STUB_FUNCTION; + } + + *s = (short)((buf[0] << 8) | buf[1]); + + s++; + } + + return 1; +} + +int ReadInt(int fd, int count, int *s) +{ + while (count--) { + unsigned char buf[4]; + + if (read(fd, buf, 4) != 4) { + STUB_FUNCTION; + } + + *s = (int)((buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]); + + s++; + } + + return 1; +} + +union intfloat { + int i; + float f; +} intfloat; + +int ReadFloat(int fd, int count, float *f) +{ + union intfloat infl; + + while (count--) { + ReadInt(fd, 1, &(infl.i)); + + *f = infl.f; + + f++; + } + + return 1; +} + +int ReadXYZ(int fd, int count, XYZ *xyz) +{ + while (count--) { + ReadFloat(fd, 1, &(xyz->x)); + ReadFloat(fd, 1, &(xyz->y)); + ReadFloat(fd, 1, &(xyz->z)); + + xyz++; + } + + return 1; +} + +int ReadTexturedTriangle(int fd, int count, TexturedTriangle *tt) +{ + while (count--) { + short pad; + ReadShort(fd, 3, tt->vertex); + ReadShort(fd, 1, &pad); /* crud */ + ReadFloat(fd, 1, &(tt->r)); + ReadFloat(fd, 1, &(tt->g)); + ReadFloat(fd, 1, &(tt->b)); + + tt++; + } + + return count; +} |