From c0b62ef139a65ca648135fb6999e6623438fdd71 Mon Sep 17 00:00:00 2001
From: madmaxoft <github@xoft.cz>
Date: Thu, 24 Jul 2014 18:32:05 +0200
Subject: Added a queue for setting chunk data.

Fixes #1196.
---
 src/SetChunkData.cpp | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/SetChunkData.cpp

(limited to 'src/SetChunkData.cpp')

diff --git a/src/SetChunkData.cpp b/src/SetChunkData.cpp
new file mode 100644
index 000000000..6e0c2733e
--- /dev/null
+++ b/src/SetChunkData.cpp
@@ -0,0 +1,115 @@
+
+// SetChunkData.cpp
+
+// Implements the cSetChunkData class used for sending loaded / generated chunk
+
+#include "Globals.h"
+#include "SetChunkData.h"
+
+
+
+
+
+cSetChunkData::cSetChunkData(int a_ChunkX, int a_ChunkZ, bool a_ShouldMarkDirty) :
+	m_ChunkX(a_ChunkX),
+	m_ChunkZ(a_ChunkZ),
+	m_ShouldMarkDirty(a_ShouldMarkDirty)
+{
+}
+
+
+
+
+
+cSetChunkData::cSetChunkData(
+	int a_ChunkX, int a_ChunkZ,
+	const BLOCKTYPE * a_BlockTypes,
+	const NIBBLETYPE * a_BlockMetas,
+	const NIBBLETYPE * a_BlockLight,
+	const NIBBLETYPE * a_SkyLight,
+	const cChunkDef::HeightMap * a_HeightMap,
+	const cChunkDef::BiomeMap * a_Biomes,
+	cEntityList & a_Entities,
+	cBlockEntityList & a_BlockEntities,
+	bool a_ShouldMarkDirty
+) :
+	m_ChunkX(a_ChunkX),
+	m_ChunkZ(a_ChunkZ),
+	m_ShouldMarkDirty(a_ShouldMarkDirty)
+{
+	// Check the params' validity:
+	ASSERT(a_BlockTypes != NULL);
+	ASSERT(a_BlockMetas != NULL);
+	ASSERT(a_Biomes != NULL);
+
+	// Copy block types and metas:
+	memcpy(m_BlockTypes, a_BlockTypes, sizeof(cChunkDef::BlockTypes));
+	memcpy(m_BlockMetas, a_BlockMetas, sizeof(cChunkDef::BlockNibbles));
+	
+	// Copy lights, if both given:
+	if ((a_BlockLight != NULL) && (a_SkyLight != NULL))
+	{
+		memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight));
+		memcpy(m_SkyLight,   a_SkyLight,   sizeof(m_SkyLight));
+		m_IsLightValid = true;
+	}
+	else
+	{
+		m_IsLightValid = false;
+	}
+	
+	// Copy the heightmap, if available:
+	if (a_HeightMap != NULL)
+	{
+		memcpy(m_HeightMap, a_HeightMap, sizeof(m_HeightMap));
+		m_IsHeightMapValid = true;
+	}
+	else
+	{
+		m_IsHeightMapValid = false;
+	}
+	
+	// Copy biomes, if available:
+	if (a_Biomes != NULL)
+	{
+		memcpy(m_Biomes, a_Biomes, sizeof(m_Biomes));
+		m_AreBiomesValid = true;
+	}
+	else
+	{
+		m_AreBiomesValid = false;
+	}
+	
+	// Move entities and blockentities:
+	std::swap(m_Entities,      a_Entities);
+	std::swap(m_BlockEntities, a_BlockEntities);
+}
+
+
+
+
+
+void cSetChunkData::CalculateHeightMap(void)
+{
+	for (int x = 0; x < cChunkDef::Width; x++)
+	{
+		for (int z = 0; z < cChunkDef::Width; z++)
+		{
+			for (int y = cChunkDef::Height - 1; y > -1; y--)
+			{
+				int index = cChunkDef::MakeIndexNoCheck(x, y, z);
+				if (m_BlockTypes[index] != E_BLOCK_AIR)
+				{
+					m_HeightMap[x + z * cChunkDef::Width] = (HEIGHTTYPE)y;
+					break;
+				}
+			}  // for y
+		}  // for z
+	}  // for x
+	m_IsHeightMapValid = true;
+}
+
+
+
+
+
-- 
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