Source files cleanup: Generating-related files in a separate subfolder
git-svn-id: http://mc-server.googlecode.com/svn/trunk@881 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
madmaxoft@gmail.com
387
source/Generating/FinishGen.cpp
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387
source/Generating/FinishGen.cpp
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// FinishGen.cpp
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/* Implements the various finishing generators:
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- cFinishGenSnow
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- cFinishGenIce
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- cFinishGenSprinkleFoliage
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*/
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#include "Globals.h"
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#include "FinishGen.h"
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#include "../cNoise.h"
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#include "../BlockID.h"
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static inline bool IsWater(BLOCKTYPE a_BlockType)
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{
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return (a_BlockType == E_BLOCK_STATIONARY_WATER) || (a_BlockType == E_BLOCK_WATER);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// cFinishGenSprinkleFoliage:
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bool cFinishGenSprinkleFoliage::TryAddSugarcane(
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int a_ChunkX, int a_ChunkZ,
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int a_RelX, int a_RelY, int a_RelZ,
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cChunkDef::BlockTypes & a_BlockTypes,
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cChunkDef::BlockNibbles & a_BlockMeta
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)
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{
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// We'll be doing comparison to neighbors, so require the coords to be 1 block away from the chunk edges:
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if (
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(a_RelX < 1) || (a_RelX >= cChunkDef::Width - 1) ||
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(a_RelY < 1) || (a_RelY >= cChunkDef::Height - 2) ||
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(a_RelZ < 1) || (a_RelZ >= cChunkDef::Width - 1)
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)
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{
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return false;
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}
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// Only allow dirt, grass or sand below sugarcane:
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switch (cChunkDef::GetBlock(a_BlockTypes, a_RelX, a_RelY, a_RelZ))
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{
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case E_BLOCK_DIRT:
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case E_BLOCK_GRASS:
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case E_BLOCK_SAND:
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{
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break;
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}
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default:
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{
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return false;
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}
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}
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// Water is required next to the block below the sugarcane:
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if (
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!IsWater(cChunkDef::GetBlock(a_BlockTypes, a_RelX - 1, a_RelY, a_RelZ)) &&
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!IsWater(cChunkDef::GetBlock(a_BlockTypes, a_RelX + 1, a_RelY, a_RelZ)) &&
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!IsWater(cChunkDef::GetBlock(a_BlockTypes, a_RelX , a_RelY, a_RelZ - 1)) &&
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!IsWater(cChunkDef::GetBlock(a_BlockTypes, a_RelX , a_RelY, a_RelZ + 1))
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)
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{
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return false;
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}
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// All conditions met, place a sugarcane here:
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cChunkDef::SetBlock(a_BlockTypes, a_RelX, a_RelY + 1, a_RelZ, E_BLOCK_SUGARCANE);
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return true;
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}
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void cFinishGenSprinkleFoliage::GenFinish(
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int a_ChunkX, int a_ChunkZ,
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cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change
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cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change
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cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data
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const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to
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cEntityList & a_Entities, // Entities may be added or deleted
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cBlockEntityList & a_BlockEntities // Block entities may be added or deleted
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)
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{
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// Generate small foliage (1-block):
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// TODO: Update heightmap with 1-block-tall foliage
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cNoise Noise(m_Seed);
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for (int z = 0; z < cChunkDef::Width; z++)
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{
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int BlockZ = a_ChunkZ * cChunkDef::Width + z;
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const float zz = (float)BlockZ;
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for (int x = 0; x < cChunkDef::Width; x++)
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{
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int BlockX = a_ChunkX * cChunkDef::Width + x;
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if (((Noise.IntNoise2DInt(BlockX, BlockZ) / 8) % 128) < 124)
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{
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continue;
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}
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int Top = cChunkDef::GetHeight(a_HeightMap, x, z);
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if (Top > 250)
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{
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// Nothing grows above Y=250
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continue;
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}
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if (cChunkDef::GetBlock(a_BlockTypes, x, Top + 1, z) != E_BLOCK_AIR)
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{
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// Space already taken by something else, don't grow here
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// WEIRD, since we're using heightmap, so there should NOT be anything above it
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continue;
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}
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const float xx = (float)BlockX;
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float val1 = Noise.CubicNoise2D(xx * 0.1f, zz * 0.1f );
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float val2 = Noise.CubicNoise2D(xx * 0.01f, zz * 0.01f );
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switch (cChunkDef::GetBlock(a_BlockTypes, x, Top, z))
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{
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case E_BLOCK_GRASS:
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{
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float val3 = Noise.CubicNoise2D(xx * 0.01f + 10, zz * 0.01f + 10 );
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float val4 = Noise.CubicNoise2D(xx * 0.05f + 20, zz * 0.05f + 20 );
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if (val1 + val2 > 0.2f)
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{
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cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_YELLOW_FLOWER);
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}
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else if (val2 + val3 > 0.2f)
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{
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cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_RED_ROSE);
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}
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else if (val3 + val4 > 0.2f)
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{
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cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_RED_MUSHROOM);
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}
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else if (val1 + val4 > 0.2f)
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{
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cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_BROWN_MUSHROOM);
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}
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else if (val1 + val2 + val3 + val4 < -0.1)
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{
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cChunkDef::SetBlock (a_BlockTypes, x, ++Top, z, E_BLOCK_TALL_GRASS);
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cChunkDef::SetNibble(a_BlockMeta, x, Top, z, E_META_TALL_GRASS_GRASS);
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}
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else if (TryAddSugarcane(a_ChunkX, a_ChunkZ, x, Top, z, a_BlockTypes, a_BlockMeta))
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{
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++Top;
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}
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else if ((val1 > 0.5) && (val2 < -0.5))
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{
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cChunkDef::SetBlock (a_BlockTypes, x, ++Top, z, E_BLOCK_PUMPKIN);
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cChunkDef::SetNibble(a_BlockMeta, x, Top, z, (int)(val3 * 8) % 4);
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}
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break;
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} // case E_BLOCK_GRASS
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case E_BLOCK_SAND:
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{
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int y = Top + 1;
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if (
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(x > 0) && (x < cChunkDef::Width - 1) &&
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(z > 0) && (z < cChunkDef::Width - 1) &&
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(val1 + val2 > 0.5f) &&
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(cChunkDef::GetBlock(a_BlockTypes, x + 1, y, z) == E_BLOCK_AIR) &&
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(cChunkDef::GetBlock(a_BlockTypes, x - 1, y, z) == E_BLOCK_AIR) &&
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(cChunkDef::GetBlock(a_BlockTypes, x, y, z + 1) == E_BLOCK_AIR) &&
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(cChunkDef::GetBlock(a_BlockTypes, x, y, z - 1) == E_BLOCK_AIR)
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)
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{
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cChunkDef::SetBlock(a_BlockTypes, x, ++Top, z, E_BLOCK_CACTUS);
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}
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else if (TryAddSugarcane(a_ChunkX, a_ChunkZ, x, Top, z, a_BlockTypes, a_BlockMeta))
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{
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++Top;
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}
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break;
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}
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} // switch (TopBlock)
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cChunkDef::SetHeight(a_HeightMap, x, z, Top);
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} // for y
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} // for z
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// cFinishGenSnow:
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void cFinishGenSnow::GenFinish(
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int a_ChunkX, int a_ChunkZ,
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cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change
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cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change
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cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data
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const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to
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cEntityList & a_Entities, // Entities may be added or deleted
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cBlockEntityList & a_BlockEntities // Block entities may be added or deleted
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)
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{
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// Add a snow block in snowy biomes onto blocks that can be snowed over
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for (int z = 0; z < cChunkDef::Width; z++)
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{
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for (int x = 0; x < cChunkDef::Width; x++)
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{
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switch (cChunkDef::GetBiome(a_BiomeMap, x, z))
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{
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case biIcePlains:
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case biIceMountains:
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case biTaiga:
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case biTaigaHills:
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case biFrozenRiver:
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case biFrozenOcean:
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{
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int Height = cChunkDef::GetHeight(a_HeightMap, x, z);
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if (g_BlockIsSnowable[cChunkDef::GetBlock(a_BlockTypes, x, Height, z)])
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{
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cChunkDef::SetBlock(a_BlockTypes, x, Height + 1, z, E_BLOCK_SNOW);
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cChunkDef::SetHeight(a_HeightMap, x, z, Height + 1);
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}
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break;
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}
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}
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}
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} // for z
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// cFinishGenIce:
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void cFinishGenIce::GenFinish(
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int a_ChunkX, int a_ChunkZ,
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cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change
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cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change
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cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data
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const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to
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cEntityList & a_Entities, // Entities may be added or deleted
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cBlockEntityList & a_BlockEntities // Block entities may be added or deleted
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)
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{
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// Turn surface water into ice in icy biomes
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for (int z = 0; z < cChunkDef::Width; z++)
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{
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for (int x = 0; x < cChunkDef::Width; x++)
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{
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switch (cChunkDef::GetBiome(a_BiomeMap, x, z))
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{
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case biIcePlains:
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case biIceMountains:
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case biTaiga:
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case biTaigaHills:
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case biFrozenRiver:
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case biFrozenOcean:
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{
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int Height = cChunkDef::GetHeight(a_HeightMap, x, z);
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switch (cChunkDef::GetBlock(a_BlockTypes, x, Height, z))
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{
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case E_BLOCK_WATER:
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case E_BLOCK_STATIONARY_WATER:
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{
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cChunkDef::SetBlock(a_BlockTypes, x, Height, z, E_BLOCK_ICE);
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break;
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}
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}
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break;
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}
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}
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}
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} // for z
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// cFinishGenLilypads:
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int cFinishGenLilypads::GetNumLilypads(const cChunkDef::BiomeMap & a_BiomeMap)
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{
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int res = 0;
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for (int i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
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{
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if (a_BiomeMap[i] == biSwampland)
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{
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res++;
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}
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} // for i - a_BiomeMap[]
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return res / 64;
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}
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void cFinishGenLilypads::GenFinish(
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int a_ChunkX, int a_ChunkZ,
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cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change
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cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change
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cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data
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const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to
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cEntityList & a_Entities, // Entities may be added or deleted
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cBlockEntityList & a_BlockEntities // Block entities may be added or deleted
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)
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{
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// Add Lilypads on top of water surface in Swampland
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int NumLilypads = GetNumLilypads(a_BiomeMap);
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for (int i = 0; i < NumLilypads; i++)
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{
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int x = m_Noise.IntNoise3DInt(a_ChunkX + a_ChunkZ, a_ChunkZ, i) % cChunkDef::Width;
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int z = m_Noise.IntNoise3DInt(a_ChunkX - a_ChunkZ, i, a_ChunkZ) % cChunkDef::Width;
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// Place a lily pad at {x, z} if possible (swampland, empty block, water below):
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if (cChunkDef::GetBiome(a_BiomeMap, x, z) != biSwampland)
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{
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// not swampland
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continue;
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}
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int Height = cChunkDef::GetHeight(a_HeightMap, x, z);
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if (Height >= cChunkDef::Height)
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{
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// Too high up
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continue;
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}
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if (cChunkDef::GetBlock(a_BlockTypes, x, Height + 1, z) != E_BLOCK_AIR)
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{
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// not empty block
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continue;
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}
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switch (cChunkDef::GetBlock(a_BlockTypes, x, Height, z))
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{
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case E_BLOCK_WATER:
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case E_BLOCK_STATIONARY_WATER:
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{
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cChunkDef::SetBlock(a_BlockTypes, x, Height + 1, z, E_BLOCK_LILY_PAD);
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cChunkDef::SetHeight(a_HeightMap, x, z, Height + 1);
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break;
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}
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} // switch (GetBlock)
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} // for i
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// cFinishGenBottomLava:
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void cFinishGenBottomLava::GenFinish(
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int a_ChunkX, int a_ChunkZ,
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cChunkDef::BlockTypes & a_BlockTypes, // Block types to read and change
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cChunkDef::BlockNibbles & a_BlockMeta, // Block meta to read and change
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cChunkDef::HeightMap & a_HeightMap, // Height map to read and change by the current data
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const cChunkDef::BiomeMap & a_BiomeMap, // Biomes to adhere to
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cEntityList & a_Entities, // Entities may be added or deleted
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cBlockEntityList & a_BlockEntities // Block entities may be added or deleted
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)
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{
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for (int y = m_Level; y > 0; y--)
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{
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for (int z = 0; z < cChunkDef::Width; z++) for (int x = 0; x < cChunkDef::Width; x++)
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{
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int Index = cChunkDef::MakeIndexNoCheck(x, y, z);
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if (a_BlockTypes[Index] == E_BLOCK_AIR)
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{
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a_BlockTypes[Index] = E_BLOCK_STATIONARY_LAVA;
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}
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} // for x, for z
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} // for y
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}
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Reference in New Issue
Block a user