Merged the composable_generator branch into the trunk

git-svn-id: http://mc-server.googlecode.com/svn/trunk@504 0a769ca7-a7f5-676a-18bf-c427514a06d6
2012-05-25 07:18:52 +00:00
parent 5f29a3e134
commit a4a418a679
82 changed files with 5422 additions and 2961 deletions
--- a/source/FinishGen.cpp
+++ b/source/FinishGen.cpp
@@ -0,0 +1,154 @@
+
+// FinishGen.cpp
+
+/* Implements the various finishing generators:
+	- cFinishGenSnow
+	- cFinishGenIce
+	- cFinishGenSprinkleFoliage
+*/
+
+#include "Globals.h"
+
+#include "FinishGen.h"
+#include "cNoise.h"
+#include "BlockID.h"
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cFinishGenSprinkleFoliage:
+
+void cFinishGenSprinkleFoliage::GenFinish(
+	int a_ChunkX, int a_ChunkZ,
+	cChunkDef::BlockTypes & a_BlockTypes,    // Block types to read and change
+	cChunkDef::BlockNibbles & a_BlockMeta,   // Block meta to read and change
+	cChunkDef::HeightMap & a_HeightMap,      // Height map to read and change by the current data
+	const cChunkDef::BiomeMap & a_BiomeMap,  // Biomes to adhere to
+	cEntityList & a_Entities,                // Entities may be added or deleted
+	cBlockEntityList & a_BlockEntities       // Block entities may be added or deleted
+	)
+{
+	// Generate small foliage (1-block):
+	
+	// TODO: Update heightmap with 1-block-tall foliage
+	cNoise Noise(m_Seed);
+	for (int z = 0; z < cChunkDef::Width; z++) 
+	{
+		int BlockZ = a_ChunkZ * cChunkDef::Width + z;
+		const float zz = (float)BlockZ;
+		for (int x = 0; x < cChunkDef::Width; x++)
+		{
+			int BlockX = a_ChunkX * cChunkDef::Width + x;
+			if (((Noise.IntNoise2DInt(BlockX, BlockZ) / 8) % 128) < 124)
+			{
+				continue;
+			}
+			int Top = cChunkDef::GetHeight(a_HeightMap, x, z);
+			if (Top > 250)
+			{
+				// Nothing grows above Y=250
+				continue;
+			}
+			if (cChunkDef::GetBlock(a_BlockTypes, x, Top + 1, z) != E_BLOCK_AIR)
+			{
+				// Space already taken by something else, don't grow here
+				// WEIRD, since we're using heightmap, so there should NOT be anything above it
+				continue;
+			}
+			
+			const float xx = (float)BlockX;
+			float val1 = Noise.CubicNoise2D(xx * 0.1f,  zz * 0.1f );
+			float val2 = Noise.CubicNoise2D(xx * 0.01f, zz * 0.01f );
+			switch (cChunkDef::GetBlock(a_BlockTypes, x, Top, z))
+			{
+				case E_BLOCK_GRASS:
+				{
+					float val3 = Noise.CubicNoise2D(xx * 0.01f + 10, zz * 0.01f + 10 );
+					float val4 = Noise.CubicNoise2D(xx * 0.05f + 20, zz * 0.05f + 20 );
+					if (val1 + val2 > 0.2f)
+					{
+						cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_YELLOW_FLOWER);
+					}
+					else if (val2 + val3 > 0.2f)
+					{
+						cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_RED_ROSE);
+					}
+					else if (val3 + val4 > 0.2f)
+					{
+						cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_RED_MUSHROOM);
+					}
+					else if (val1 + val4 > 0.2f)
+					{
+						cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_BROWN_MUSHROOM);
+					}
+					else if (val1 + val2 + val3 + val4 < -0.1)
+					{
+						cChunkDef::SetBlock (a_BlockTypes, x, ++Top, z, E_BLOCK_TALL_GRASS);
+						cChunkDef::SetNibble(a_BlockMeta,  x,   Top, z, E_META_TALL_GRASS_GRASS);
+					}
+					break;
+				}  // case E_BLOCK_GRASS
+				
+				case E_BLOCK_SAND:
+				{
+					if (val1 + val2 > 0.f)
+					{
+						cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_CACTUS);
+						if (val1 > val2)
+						{
+							cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_CACTUS);
+						}
+					}
+					break;
+				}
+			}  // switch (TopBlock)
+			cChunkDef::SetHeight(a_HeightMap, x, z, Top);
+		}  // for y
+	}  // for z
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cFinishGenSnow:
+
+void cFinishGenSnow::GenFinish(
+	int a_ChunkX, int a_ChunkZ,
+	cChunkDef::BlockTypes & a_BlockTypes,    // Block types to read and change
+	cChunkDef::BlockNibbles & a_BlockMeta,   // Block meta to read and change
+	cChunkDef::HeightMap & a_HeightMap,      // Height map to read and change by the current data
+	const cChunkDef::BiomeMap & a_BiomeMap,  // Biomes to adhere to
+	cEntityList & a_Entities,                // Entities may be added or deleted
+	cBlockEntityList & a_BlockEntities       // Block entities may be added or deleted
+	)
+{
+	// TODO: Add snow block in snowy biomes onto blocks that can be snowed over
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cFinishGenIce:
+
+void cFinishGenIce::GenFinish(
+	int a_ChunkX, int a_ChunkZ,
+	cChunkDef::BlockTypes & a_BlockTypes,    // Block types to read and change
+	cChunkDef::BlockNibbles & a_BlockMeta,   // Block meta to read and change
+	cChunkDef::HeightMap & a_HeightMap,      // Height map to read and change by the current data
+	const cChunkDef::BiomeMap & a_BiomeMap,  // Biomes to adhere to
+	cEntityList & a_Entities,                // Entities may be added or deleted
+	cBlockEntityList & a_BlockEntities       // Block entities may be added or deleted
+	)
+{
+	// TODO: Turn surface water into ice in icy biomes
+}
+
+
+
+