From ee2d9d973a0397ce244f05d49083250956578780 Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Tue, 4 Sep 2012 09:48:26 +0300
Subject: Reorganize ClientMap rendering code for a bit more performance

- Don't select blocks for drawing in every frame
- Sort meshbuffers by material before drawing
---
 src/mapblock.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'src/mapblock.h')

diff --git a/src/mapblock.h b/src/mapblock.h
index 7f901e5d3..d56d93dda 100644
--- a/src/mapblock.h
+++ b/src/mapblock.h
@@ -430,6 +430,22 @@ public:
 	{
 		return m_usage_timer;
 	}
+
+	/*
+		See m_refcount
+	*/
+	void refGrab()
+	{
+		m_refcount++;
+	}
+	void refDrop()
+	{
+		m_refcount--;
+	}
+	int refGet()
+	{
+		return m_refcount;
+	}
 	
 	/*
 		Node Timers
@@ -566,6 +582,12 @@ private:
 		Map will unload the block when this reaches a timeout.
 	*/
 	float m_usage_timer;
+
+	/*
+		Reference count; currently used for determining if this block is in
+		the list of blocks to be drawn.
+	*/
+	int m_refcount;
 };
 
 inline bool blockpos_over_limit(v3s16 p)
-- 
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