From c53b7e5d38c24bce7ba55abf3060ffd012783086 Mon Sep 17 00:00:00 2001
From: Mattes D <github@xoft.cz>
Date: Mon, 27 Oct 2014 23:58:09 +0100
Subject: QtBiomeVisualiser: Switched caching to entire regions.

This speeds up the rendering preparation for small zooms.
---
 Tools/QtBiomeVisualiser/Region.cpp | 72 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 Tools/QtBiomeVisualiser/Region.cpp

(limited to 'Tools/QtBiomeVisualiser/Region.cpp')

diff --git a/Tools/QtBiomeVisualiser/Region.cpp b/Tools/QtBiomeVisualiser/Region.cpp
new file mode 100644
index 000000000..d8a0a2f76
--- /dev/null
+++ b/Tools/QtBiomeVisualiser/Region.cpp
@@ -0,0 +1,72 @@
+
+#include "Globals.h"
+#include "Region.h"
+
+
+
+
+
+Region::Region()
+{
+}
+
+
+
+
+
+Chunk & Region::getRelChunk(int a_RelChunkX, int a_RelChunkZ)
+{
+		ASSERT(a_RelChunkX >= 0);
+		ASSERT(a_RelChunkZ >= 0);
+		ASSERT(a_RelChunkX < 32);
+		ASSERT(a_RelChunkZ < 32);
+
+		return m_Chunks[a_RelChunkX + a_RelChunkZ * 32];
+}
+
+
+
+
+
+int Region::getRelBiome(int a_RelBlockX, int a_RelBlockZ)
+{
+	ASSERT(a_RelBlockX >= 0);
+	ASSERT(a_RelBlockZ >= 0);
+	ASSERT(a_RelBlockX < 512);
+	ASSERT(a_RelBlockZ < 512);
+
+	int chunkX = a_RelBlockX / 16;
+	int chunkZ = a_RelBlockZ / 16;
+	Chunk & chunk = m_Chunks[chunkX + 32 * chunkZ];
+	if (chunk.isValid())
+	{
+		return chunk.getBiome(a_RelBlockX - 16 * chunkX, a_RelBlockZ - 16 * chunkZ);
+	}
+	else
+	{
+		return biInvalidBiome;
+	}
+}
+
+
+
+
+void Region::blockToRegion(int a_BlockX, int a_BlockZ, int & a_RegionX, int & a_RegionZ)
+{
+	a_RegionX = static_cast<int>(std::floor(static_cast<float>(a_BlockX) / 512));
+	a_RegionZ = static_cast<int>(std::floor(static_cast<float>(a_BlockZ) / 512));
+}
+
+
+
+
+
+void Region::chunkToRegion(int a_ChunkX, int a_ChunkZ, int & a_RegionX, int & a_RegionZ)
+{
+	a_RegionX = static_cast<int>(std::floor(static_cast<float>(a_ChunkX) / 32));
+	a_RegionZ = static_cast<int>(std::floor(static_cast<float>(a_ChunkZ) / 32));
+}
+
+
+
+
-- 
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