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Diffstat (limited to '')
| -rw-r--r-- | source/FinishGen.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/source/FinishGen.cpp b/source/FinishGen.cpp new file mode 100644 index 000000000..b2f4eab78 --- /dev/null +++ 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
+}
+
+
+
+
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