implemented rats in new system to verify that it works

1 files changed, 78 insertions, 3 deletions

diff --git a/src/utility.h b/src/utility.h
index 2b143f0ba..f2f3018df 100644
--- a/src/utility.h
+++ b/src/utility.h
@@ -95,8 +95,6 @@ inline u8 readU8(u8 *data)
 	return (data[0]<<0);
 }
 
-// Signed variants of the above
-
 inline void writeS32(u8 *data, s32 i){
 	writeU32(data, (u32)i);
 }
@@ -104,6 +102,13 @@ inline s32 readS32(u8 *data){
 	return (s32)readU32(data);
 }
 
+inline void writeF1000(u8 *data, f32 i){
+	writeS32(data, i*1000);
+}
+inline f32 readF1000(u8 *data){
+	return (f32)readS32(data)/1000.;
+}
+
 inline void writeS16(u8 *data, s16 i){
 	writeU16(data, (u16)i);
 }
@@ -117,7 +122,6 @@ inline void writeV3S32(u8 *data, v3s32 p)
 	writeS32(&data[4], p.Y);
 	writeS32(&data[8], p.Z);
 }
-
 inline v3s32 readV3S32(u8 *data)
 {
 	v3s32 p;
@@ -127,6 +131,21 @@ inline v3s32 readV3S32(u8 *data)
 	return p;
 }
 
+inline void writeV3F1000(u8 *data, v3f p)
+{
+	writeF1000(&data[0], p.X);
+	writeF1000(&data[4], p.Y);
+	writeF1000(&data[8], p.Z);
+}
+inline v3f readV3F1000(u8 *data)
+{
+	v3f p;
+	p.X = (float)readF1000(&data[0]);
+	p.Y = (float)readF1000(&data[4]);
+	p.Z = (float)readF1000(&data[8]);
+	return p;
+}
+
 inline void writeV2S16(u8 *data, v2s16 p)
 {
 	writeS16(&data[0], p.X);
@@ -172,6 +191,62 @@ inline v3s16 readV3S16(u8 *data)
 }
 
 /*
+	The above stuff directly interfaced to iostream
+*/
+
+inline void writeU8(std::ostream &os, u8 p)
+{
+	char buf[1];
+	writeU8((u8*)buf, p);
+	os.write(buf, 1);
+}
+inline u8 readU8(std::istream &is)
+{
+	char buf[1];
+	is.read(buf, 1);
+	return readU8((u8*)buf);
+}
+
+inline void writeU16(std::ostream &os, u16 p)
+{
+	char buf[2];
+	writeU16((u8*)buf, p);
+	os.write(buf, 2);
+}
+inline u16 readU16(std::istream &is)
+{
+	char buf[12];
+	is.read(buf, 12);
+	return readU16((u8*)buf);
+}
+
+inline void writeF1000(std::ostream &os, f32 p)
+{
+	char buf[2];
+	writeF1000((u8*)buf, p);
+	os.write(buf, 2);
+}
+inline f32 readF1000(std::istream &is)
+{
+	char buf[12];
+	is.read(buf, 12);
+	return readF1000((u8*)buf);
+}
+
+inline void writeV3F1000(std::ostream &os, v3f p)
+{
+	char buf[12];
+	writeV3F1000((u8*)buf, p);
+	os.write(buf, 12);
+}
+inline v3f readV3F1000(std::istream &is)
+{
+	char buf[12];
+	is.read(buf, 12);
+	return readV3F1000((u8*)buf);
+}
+
+/*
 	None of these are used at the moment
 */