initial commit

1 files changed, 34 insertions, 0 deletions

diff --git a/server/coords.go b/server/coords.go
new file mode 100644
index 0000000..ebe71c9
--- /dev/null
+++ b/server/coords.go
@@ -0,0 +1,34 @@
+package server
+
+const playerHeight = 51
+const blockSize = 32
+
+type blockCoord int64
+type entityCoord int64
+
+type entityFacing struct {
+	Yaw, Pitch uint8
+}
+
+type blockPos struct {
+	X, Y, Z blockCoord
+}
+type entityPos struct {
+	X, Y, Z entityCoord
+}
+
+func entityToBlock(pos entityPos) blockPos {
+	return blockPos {
+		blockCoord(pos.X >> 5),
+		blockCoord(pos.Y >> 5),
+		blockCoord(pos.Z >> 5),
+	}
+}
+
+func blockToEntity(pos blockPos) entityPos {
+	return entityPos {
+		entityCoord(pos.X << 5),
+		entityCoord(pos.Y << 5),
+		entityCoord(pos.Z << 5),
+	}
+}