From 10c8c75bb7fdfeb66874ae921e467336e619ef82 Mon Sep 17 00:00:00 2001
From: "madmaxoft@gmail.com"
 <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>
Date: Mon, 12 Mar 2012 19:39:41 +0000
Subject: Added a flat terrain generator with settable terrain height

git-svn-id: http://mc-server.googlecode.com/svn/trunk@404 0a769ca7-a7f5-676a-18bf-c427514a06d6
---
 source/WGFlat.cpp | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 source/WGFlat.cpp

(limited to 'source/WGFlat.cpp')

diff --git a/source/WGFlat.cpp b/source/WGFlat.cpp
new file mode 100644
index 000000000..725572334
--- /dev/null
+++ b/source/WGFlat.cpp
@@ -0,0 +1,101 @@
+
+// WGFlat.cpp
+
+// Implements the cWGFlat class representing the flat world generator
+
+#include "Globals.h"
+#include "WGFlat.h"
+#include "../iniFile/iniFile.h"
+#include "cWorld.h"
+
+
+
+
+
+cWGFlat::cWGFlat(cWorld * a_World) :
+	super(a_World)
+{
+	// Load the settings from the INI file:
+	cIniFile INI(a_World->GetIniFileName());
+	INI.ReadFile();
+	m_Height = INI.GetValueI("flat", "height", 5);
+	if (m_Height < 1)
+	{
+		m_Height = 1;
+	}
+	if (m_Height > 250)
+	{
+		m_Height = 250;
+	}
+}
+
+
+
+
+
+void cWGFlat::GenerateChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, char * a_BlockData, cEntityList & a_Entities, cBlockEntityList & a_BlockEntities)
+{
+	int SliceSize = cChunk::c_ChunkWidth * cChunk::c_ChunkWidth;
+	memset(a_BlockData, E_BLOCK_BEDROCK, SliceSize);
+	switch (m_Height)
+	{
+		case 1:
+		{
+			// Just the bedrock layer
+			break;
+		}
+		case 2:
+		{
+			// Bedrock + 1 dirt layer:
+			memset(a_BlockData + SliceSize, E_BLOCK_GRASS, SliceSize);
+			break;
+		}
+		case 3:
+		{
+			// Bedrock + 2 dirt layers:
+			memset(a_BlockData + SliceSize,     E_BLOCK_DIRT,  SliceSize);
+			memset(a_BlockData + 2 * SliceSize, E_BLOCK_GRASS, SliceSize);
+			break;
+		}
+		case 4:
+		{
+			// Bedrock + 3 dirt layers:
+			memset(a_BlockData + SliceSize,     E_BLOCK_DIRT,  2 * SliceSize);
+			memset(a_BlockData + 3 * SliceSize, E_BLOCK_GRASS, SliceSize);
+			break;
+		}
+		default:
+		{
+			// Bedrock + stone layers + 3 dirt layers:
+			memset(a_BlockData + SliceSize, E_BLOCK_STONE, SliceSize * (m_Height - 4));
+			memset(a_BlockData + SliceSize * (m_Height - 3), E_BLOCK_DIRT,  SliceSize * 2);
+			memset(a_BlockData + SliceSize * (m_Height - 1), E_BLOCK_GRASS, SliceSize);
+			break;
+		}
+	}
+	memset(a_BlockData + SliceSize * m_Height, E_BLOCK_AIR, cChunk::c_NumBlocks - SliceSize * m_Height);
+	
+	SliceSize /= 2;  // Nibbles from now on
+	char * Meta = a_BlockData + cChunk::c_NumBlocks;
+	memset(Meta, 0, cChunk::c_NumBlocks / 2);
+	
+	char * SkyLight = Meta + cChunk::c_NumBlocks / 2;
+	memset(SkyLight, 0, m_Height * SliceSize);
+	memset(SkyLight + m_Height * SliceSize, 0xff, cChunk::c_NumBlocks / 2 - m_Height * SliceSize);
+	
+	char * BlockLight = SkyLight + cChunk::c_NumBlocks / 2;
+	memset(BlockLight, 0, cChunk::c_NumBlocks / 2);
+}
+
+
+
+
+
+void cWGFlat::PostGenerateChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+{
+	// Nothing needed yet, just don't call the parent
+}
+
+
+
+
-- 
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