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-rw-r--r--src/Generating/Caves.cpp230
1 files changed, 22 insertions, 208 deletions
diff --git a/src/Generating/Caves.cpp b/src/Generating/Caves.cpp
index 6df22a14a..48663c21a 100644
--- a/src/Generating/Caves.cpp
+++ b/src/Generating/Caves.cpp
@@ -122,27 +122,19 @@ typedef std::vector<cCaveTunnel *> cCaveTunnels;
/// A collection of connected tunnels, possibly branching.
-class cStructGenWormNestCaves::cCaveSystem
+class cStructGenWormNestCaves::cCaveSystem :
+ public cGridStructGen::cStructure
{
+ typedef cGridStructGen::cStructure super;
+
public:
// The generating block position; is read directly in cStructGenWormNestCaves::GetCavesForChunk()
int m_BlockX;
int m_BlockZ;
- cCaveSystem(int a_BlockX, int a_BlockZ, int a_MaxOffset, int a_Size, cNoise & a_Noise);
+ cCaveSystem(int a_OriginX, int a_OriginZ, int a_MaxOffset, int a_Size, cNoise & a_Noise);
~cCaveSystem();
- /// Carves the cave system into the chunk specified
- void ProcessChunk(
- int a_ChunkX, int a_ChunkZ,
- cChunkDef::BlockTypes & a_BlockTypes,
- cChunkDef::HeightMap & a_HeightMap
- );
-
- #ifdef _DEBUG
- AString ExportAsSVG(int a_Color, int a_OffsetX, int a_OffsetZ) const;
- #endif // _DEBUG
-
protected:
int m_Size;
cCaveTunnels m_Tunnels;
@@ -157,6 +149,9 @@ protected:
/// Returns a radius based on the location provided.
int GetRadius(cNoise & a_Noise, int a_OriginX, int a_OriginY, int a_OriginZ);
+
+ // cGridStructGen::cStructure overrides:
+ virtual void DrawIntoChunk(cChunkDesc & a_ChunkDesc) override;
} ;
@@ -586,17 +581,16 @@ AString cCaveTunnel::ExportAsSVG(int a_Color, int a_OffsetX, int a_OffsetZ) cons
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cStructGenWormNestCaves::cCaveSystem:
-cStructGenWormNestCaves::cCaveSystem::cCaveSystem(int a_BlockX, int a_BlockZ, int a_MaxOffset, int a_Size, cNoise & a_Noise) :
- m_BlockX(a_BlockX),
- m_BlockZ(a_BlockZ),
+cStructGenWormNestCaves::cCaveSystem::cCaveSystem(int a_OriginX, int a_OriginZ, int a_MaxOffset, int a_Size, cNoise & a_Noise) :
+ super(a_OriginX, a_OriginZ),
m_Size(a_Size)
{
- int Num = 1 + a_Noise.IntNoise2DInt(a_BlockX, a_BlockZ) % 3;
+ int Num = 1 + a_Noise.IntNoise2DInt(a_OriginX, a_OriginZ) % 3;
for (int i = 0; i < Num; i++)
{
- int OriginX = a_BlockX + (a_Noise.IntNoise3DInt(13 * a_BlockX, 17 * a_BlockZ, 11 * i) / 19) % a_MaxOffset;
- int OriginZ = a_BlockZ + (a_Noise.IntNoise3DInt(17 * a_BlockX, 13 * a_BlockZ, 11 * i) / 23) % a_MaxOffset;
- int OriginY = 20 + (a_Noise.IntNoise3DInt(19 * a_BlockX, 13 * a_BlockZ, 11 * i) / 17) % 20;
+ int OriginX = a_OriginX + (a_Noise.IntNoise3DInt(13 * a_OriginX, 17 * a_OriginZ, 11 * i) / 19) % a_MaxOffset;
+ int OriginZ = a_OriginZ + (a_Noise.IntNoise3DInt(17 * a_OriginX, 13 * a_OriginZ, 11 * i) / 23) % a_MaxOffset;
+ int OriginY = 20 + (a_Noise.IntNoise3DInt(19 * a_OriginX, 13 * a_OriginZ, 11 * i) / 17) % 20;
// Generate three branches from the origin point:
// The tunnels generated depend on X, Y, Z and Branches,
@@ -622,64 +616,17 @@ cStructGenWormNestCaves::cCaveSystem::~cCaveSystem()
-void cStructGenWormNestCaves::cCaveSystem::ProcessChunk(
- int a_ChunkX, int a_ChunkZ,
- cChunkDef::BlockTypes & a_BlockTypes,
- cChunkDef::HeightMap & a_HeightMap
-)
-{
- for (cCaveTunnels::const_iterator itr = m_Tunnels.begin(), end = m_Tunnels.end(); itr != end; ++itr)
- {
- (*itr)->ProcessChunk(a_ChunkX, a_ChunkZ, a_BlockTypes, a_HeightMap);
- } // for itr - m_Tunnels[]
-}
-
-
-
-
-
-#ifdef _DEBUG
-AString cStructGenWormNestCaves::cCaveSystem::ExportAsSVG(int a_Color, int a_OffsetX, int a_OffsetZ) const
+void cStructGenWormNestCaves::cCaveSystem::DrawIntoChunk(cChunkDesc & a_ChunkDesc)
{
- AString SVG;
- SVG.reserve(512 * 1024);
+ int ChunkX = a_ChunkDesc.GetChunkX();
+ int ChunkZ = a_ChunkDesc.GetChunkZ();
+ cChunkDef::BlockTypes & BlockTypes = a_ChunkDesc.GetBlockTypes();
+ cChunkDef::HeightMap & HeightMap = a_ChunkDesc.GetHeightMap();
for (cCaveTunnels::const_iterator itr = m_Tunnels.begin(), end = m_Tunnels.end(); itr != end; ++itr)
{
- SVG.append((*itr)->ExportAsSVG(a_Color, a_OffsetX, a_OffsetZ));
+ (*itr)->ProcessChunk(ChunkX, ChunkZ, BlockTypes, HeightMap);
} // for itr - m_Tunnels[]
-
- // Base point highlight:
- AppendPrintf(SVG, "<path style=\"fill:none;stroke:#ff0000;stroke-width:1px;\"\nd=\"M %d,%d L %d,%d\"/>\n",
- a_OffsetX + m_BlockX - 5, a_OffsetZ + m_BlockZ, a_OffsetX + m_BlockX + 5, a_OffsetZ + m_BlockZ
- );
- AppendPrintf(SVG, "<path style=\"fill:none;stroke:#ff0000;stroke-width:1px;\"\nd=\"M %d,%d L %d,%d\"/>\n",
- a_OffsetX + m_BlockX, a_OffsetZ + m_BlockZ - 5, a_OffsetX + m_BlockX, a_OffsetZ + m_BlockZ + 5
- );
-
- // A gray line from the base point to the first point of the ravine, for identification:
- AppendPrintf(SVG, "<path style=\"fill:none;stroke:#cfcfcf;stroke-width:1px;\"\nd=\"M %d,%d L %d,%d\"/>\n",
- a_OffsetX + m_BlockX, a_OffsetZ + m_BlockZ,
- a_OffsetX + m_Tunnels.front()->m_Points.front().m_BlockX,
- a_OffsetZ + m_Tunnels.front()->m_Points.front().m_BlockZ
- );
-
- // Offset guides:
- if (a_OffsetX > 0)
- {
- AppendPrintf(SVG, "<path style=\"fill:none;stroke:#0000ff;stroke-width:1px;\"\nd=\"M %d,0 L %d,1024\"/>\n",
- a_OffsetX, a_OffsetX
- );
- }
- if (a_OffsetZ > 0)
- {
- AppendPrintf(SVG, "<path style=\"fill:none;stroke:#0000ff;stroke-width:1px;\"\nd=\"M 0,%d L 1024,%d\"/>\n",
- a_OffsetZ, a_OffsetZ
- );
- }
-
- return SVG;
}
-#endif // _DEBUG
@@ -750,142 +697,9 @@ int cStructGenWormNestCaves::cCaveSystem::GetRadius(cNoise & a_Noise, int a_Orig
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cStructGenWormNestCaves:
-cStructGenWormNestCaves::~cStructGenWormNestCaves()
-{
- ClearCache();
-}
-
-
-
-
-
-void cStructGenWormNestCaves::ClearCache(void)
-{
- for (cCaveSystems::const_iterator itr = m_Cache.begin(), end = m_Cache.end(); itr != end; ++itr)
- {
- delete *itr;
- } // for itr - m_Cache[]
- m_Cache.clear();
-}
-
-
-
-
-
-void cStructGenWormNestCaves::GenFinish(cChunkDesc & a_ChunkDesc)
+cGridStructGen::cStructurePtr cStructGenWormNestCaves::CreateStructure(int a_OriginX, int a_OriginZ)
{
- int ChunkX = a_ChunkDesc.GetChunkX();
- int ChunkZ = a_ChunkDesc.GetChunkZ();
- cCaveSystems Caves;
- GetCavesForChunk(ChunkX, ChunkZ, Caves);
- for (cCaveSystems::const_iterator itr = Caves.begin(); itr != Caves.end(); ++itr)
- {
- (*itr)->ProcessChunk(ChunkX, ChunkZ, a_ChunkDesc.GetBlockTypes(), a_ChunkDesc.GetHeightMap());
- } // for itr - Caves[]
-}
-
-
-
-
-
-void cStructGenWormNestCaves::GetCavesForChunk(int a_ChunkX, int a_ChunkZ, cStructGenWormNestCaves::cCaveSystems & a_Caves)
-{
- int BaseX = a_ChunkX * cChunkDef::Width / m_Grid;
- int BaseZ = a_ChunkZ * cChunkDef::Width / m_Grid;
- if (BaseX < 0)
- {
- --BaseX;
- }
- if (BaseZ < 0)
- {
- --BaseZ;
- }
- BaseX -= NEIGHBORHOOD_SIZE / 2;
- BaseZ -= NEIGHBORHOOD_SIZE / 2;
-
- // Walk the cache, move each cave system that we want into a_Caves:
- int StartX = BaseX * m_Grid;
- int EndX = (BaseX + NEIGHBORHOOD_SIZE + 1) * m_Grid;
- int StartZ = BaseZ * m_Grid;
- int EndZ = (BaseZ + NEIGHBORHOOD_SIZE + 1) * m_Grid;
- for (cCaveSystems::iterator itr = m_Cache.begin(), end = m_Cache.end(); itr != end;)
- {
- if (
- ((*itr)->m_BlockX >= StartX) && ((*itr)->m_BlockX < EndX) &&
- ((*itr)->m_BlockZ >= StartZ) && ((*itr)->m_BlockZ < EndZ)
- )
- {
- // want
- a_Caves.push_back(*itr);
- itr = m_Cache.erase(itr);
- }
- else
- {
- // don't want
- ++itr;
- }
- } // for itr - m_Cache[]
-
- for (int x = 0; x < NEIGHBORHOOD_SIZE; x++)
- {
- int RealX = (BaseX + x) * m_Grid;
- for (int z = 0; z < NEIGHBORHOOD_SIZE; z++)
- {
- int RealZ = (BaseZ + z) * m_Grid;
- bool Found = false;
- for (cCaveSystems::const_iterator itr = a_Caves.begin(), end = a_Caves.end(); itr != end; ++itr)
- {
- if (((*itr)->m_BlockX == RealX) && ((*itr)->m_BlockZ == RealZ))
- {
- Found = true;
- break;
- }
- }
- if (!Found)
- {
- a_Caves.push_back(new cCaveSystem(RealX, RealZ, m_MaxOffset, m_Size, m_Noise));
- }
- }
- }
-
- // Copy a_Caves into m_Cache to the beginning:
- cCaveSystems CavesCopy(a_Caves);
- m_Cache.splice(m_Cache.begin(), CavesCopy, CavesCopy.begin(), CavesCopy.end());
-
- // Trim the cache if it's too long:
- if (m_Cache.size() > 100)
- {
- cCaveSystems::iterator itr = m_Cache.begin();
- std::advance(itr, 100);
- for (cCaveSystems::iterator end = m_Cache.end(); itr != end; ++itr)
- {
- delete *itr;
- }
- itr = m_Cache.begin();
- std::advance(itr, 100);
- m_Cache.erase(itr, m_Cache.end());
- }
-
- /*
- // Uncomment this block for debugging the caves' shapes in 2D using an SVG export
- #ifdef _DEBUG
- AString SVG;
- SVG.append("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"1024\" height = \"1024\">\n");
- SVG.reserve(2 * 1024 * 1024);
- for (cCaveSystems::const_iterator itr = a_Caves.begin(), end = a_Caves.end(); itr != end; ++itr)
- {
- int Color = 0x10 * abs((*itr)->m_BlockX / m_Grid);
- Color |= 0x1000 * abs((*itr)->m_BlockZ / m_Grid);
- SVG.append((*itr)->ExportAsSVG(Color, 512, 512));
- }
- SVG.append("</svg>\n");
-
- AString fnam;
- Printf(fnam, "wnc\\%03d_%03d.svg", a_ChunkX, a_ChunkZ);
- cFile File(fnam, cFile::fmWrite);
- File.Write(SVG.c_str(), SVG.size());
- #endif // _DEBUG
- //*/
+ return cStructurePtr(new cCaveSystem(a_OriginX, a_OriginZ, m_MaxOffset, m_Size, m_Noise));
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 00:04:04 +0100