start of serialization

git-svn-id: svn://svn.icculus.org/blackshades/trunk@44 5198baeb-e213-0410-be47-fc2ff85ca46f

1 files changed, 74 insertions, 0 deletions

diff --git a/Source/Serialize.cpp b/Source/Serialize.cpp
new file mode 100644
index 0000000..3826a3f
--- /dev/null
+++ b/Source/Serialize.cpp
@@ -0,0 +1,74 @@
+#include "Models.h"
+#include "Quaternions.h"
+#include "Serialize.h"
+
+#include <unistd.h>
+
+/* these all read big-endian data */
+
+int ReadShort(int fd, int count, short *s)
+{
+	while (count--) {
+		unsigned char buf[2];
+		
+		read(fd, buf, 2);
+		
+		*s = (short)((buf[0] << 8) | buf[1]);
+		
+		s++;
+	}
+}
+
+int ReadInt(int fd, int count, int *s)
+{
+	while (count--) {
+		unsigned char buf[4];
+		
+		read(fd, buf, 2);
+		
+		*s = (int)((buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]);
+		
+		s++;
+	}
+}
+
+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++;
+	}
+}
+
+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++;
+	}
+}
+
+int ReadTexturedTriangle(int fd, int count, TexturedTriangle *tt)
+{
+	while (count--) {
+		ReadShort(fd, 3, tt->vertex);
+		ReadFloat(fd, 1, &(tt->r));
+		ReadFloat(fd, 1, &(tt->g));
+		ReadFloat(fd, 1, &(tt->b));
+		
+		tt++;
+	}
+}