MineShafts: Added branching crossings
git-svn-id: http://mc-server.googlecode.com/svn/trunk@1331 0a769ca7-a7f5-676a-18bf-c427514a06d6
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madmaxoft@gmail.com
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@ -24,7 +24,7 @@ in a depth-first processing. Each of the descendants will branch randomly, if no
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static const int NEIGHBORHOOD_SIZE = 1;
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static const int NEIGHBORHOOD_SIZE = 3;
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@ -51,9 +51,9 @@ public:
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} ;
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cStructGenMineShafts::cMineShaftSystem & m_ParentSystem;
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eKind m_Kind;
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cCuboid m_BoundingBox;
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cStructGenMineShafts::cMineShaftSystem & m_ParentSystem;
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cMineShaft(cStructGenMineShafts::cMineShaftSystem & a_ParentSystem, eKind a_Kind) :
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@ -62,6 +62,13 @@ public:
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{
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}
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cMineShaft(cStructGenMineShafts::cMineShaftSystem & a_ParentSystem, eKind a_Kind, const cCuboid & a_BoundingBox) :
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m_ParentSystem(a_ParentSystem),
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m_Kind(a_Kind),
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m_BoundingBox(a_BoundingBox)
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{
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}
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/// Returns true if this mineshaft intersects the specified cuboid
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bool DoesIntersect(const cCuboid & a_Other)
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{
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@ -155,7 +162,7 @@ public:
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);
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protected:
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// TODO
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cMineShaftCrossing(cStructGenMineShafts::cMineShaftSystem & a_ParentSystem, const cCuboid & a_BoundingBox);
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// cMineShaft overrides:
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virtual void AppendBranches(int a_RecursionLevel, cNoise & a_Noise) override;
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@ -451,11 +458,10 @@ cMineShaftCorridor::cMineShaftCorridor(
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const cCuboid & a_BoundingBox, int a_NumSegments, eDirection a_Direction,
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cNoise & a_Noise
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) :
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super(a_ParentSystem, mskCorridor),
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super(a_ParentSystem, mskCorridor, a_BoundingBox),
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m_NumSegments(a_NumSegments),
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m_Direction(a_Direction)
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{
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m_BoundingBox = a_BoundingBox;
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int rnd = a_Noise.IntNoise3DInt(a_BoundingBox.p1.x, a_BoundingBox.p1.y, a_BoundingBox.p1.z) / 7;
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for (int i = 0; i < a_NumSegments; i++)
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{
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@ -661,15 +667,134 @@ void cMineShaftCorridor::ProcessChunk(cChunkDesc & a_ChunkDesc)
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// cMineShaftCrossing:
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cMineShaftCrossing::cMineShaftCrossing(cStructGenMineShafts::cMineShaftSystem & a_ParentSystem, const cCuboid & a_BoundingBox) :
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super(a_ParentSystem, mskCrossing, a_BoundingBox)
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{
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}
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cMineShaft * cMineShaftCrossing::CreateAndFit(
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cStructGenMineShafts::cMineShaftSystem & a_ParentSystem,
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int a_PivotX, int a_PivotY, int a_PivotZ, eDirection a_Direction,
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cNoise & a_Noise
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)
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{
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// TODO
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cCuboid BoundingBox(a_PivotX, a_PivotY - 1, a_PivotZ);
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int rnd = a_Noise.IntNoise3DInt(a_PivotX, a_PivotY + a_ParentSystem.m_MineShafts.size(), a_PivotZ) / 7;
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BoundingBox.p2.y += 3;
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if ((rnd % 4) < 2)
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{
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// 2-level crossing:
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BoundingBox.p2.y += 4;
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rnd >>= 2;
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if ((rnd % 4) < 2)
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{
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// This is the higher level:
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BoundingBox.p1.y -= 4;
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BoundingBox.p2.y -= 4;
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}
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}
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rnd >>= 2;
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switch (a_Direction)
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{
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case dirXP: BoundingBox.p2.x += 4; BoundingBox.p1.z -= 2; BoundingBox.p2.z += 2; break;
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case dirXM: BoundingBox.p1.x -= 4; BoundingBox.p1.z -= 2; BoundingBox.p2.z += 2; break;
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case dirZP: BoundingBox.p2.z += 4; BoundingBox.p1.x -= 2; BoundingBox.p2.x += 2; break;
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case dirZM: BoundingBox.p1.z -= 4; BoundingBox.p1.x -= 2; BoundingBox.p2.x += 2; break;
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}
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if (a_ParentSystem.DoIntersect(BoundingBox))
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{
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return NULL;
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}
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return new cMineShaftCrossing(a_ParentSystem, BoundingBox);
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}
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void cMineShaftCrossing::AppendBranches(int a_RecursionLevel, cNoise & a_Noise)
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{
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struct
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{
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int x, y, z;
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eDirection dir;
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} Exits[] =
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{
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// Bottom level:
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{-1, 1, 2, dirXM},
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{ 2, 1, -1, dirZM},
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{ 5, 1, 2, dirXP},
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{ 2, 1, 5, dirZP},
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// Top level:
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{-1, 5, 2, dirXM},
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{ 2, 5, -1, dirZM},
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{ 5, 5, 2, dirXP},
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{ 2, 5, 5, dirZP},
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} ;
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for (int i = 0; i < ARRAYCOUNT(Exits); i++)
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{
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if (m_BoundingBox.p1.y + Exits[i].y >= m_BoundingBox.p2.y)
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{
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// This exit is not available (two-level exit on a one-level crossing)
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continue;
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}
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int Height = m_BoundingBox.p1.y + Exits[i].y;
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m_ParentSystem.AppendBranch(m_BoundingBox.p1.x + Exits[i].x, Height, m_BoundingBox.p1.z + Exits[i].z, Exits[i].dir, a_Noise, a_RecursionLevel);
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} // for i
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}
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void cMineShaftCrossing::ProcessChunk(cChunkDesc & a_ChunkDesc)
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{
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int BlockX = a_ChunkDesc.GetChunkX() * cChunkDef::Width;
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int BlockZ = a_ChunkDesc.GetChunkZ() * cChunkDef::Width;
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cCuboid box(m_BoundingBox);
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box.Move(-BlockX, 0, -BlockZ);
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if ((box.p2.x < 0) || (box.p2.z < 0) || (box.p1.x >= cChunkDef::Width) || (box.p1.z > cChunkDef::Width))
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{
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// Does not intersect this chunk
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return;
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}
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int Floor = box.p1.y + 1;
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int Ceil = box.p2.y;
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// The supports:
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a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p1.x + 1, Floor, Ceil, box.p1.z + 1, box.p1.z + 1, E_BLOCK_PLANKS, 0);
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a_ChunkDesc.FillRelCuboid(box.p2.x - 1, box.p2.x - 1, Floor, Ceil, box.p1.z + 1, box.p1.z + 1, E_BLOCK_PLANKS, 0);
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a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p1.x + 1, Floor, Ceil, box.p2.z - 1, box.p2.z - 1, E_BLOCK_PLANKS, 0);
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a_ChunkDesc.FillRelCuboid(box.p2.x - 1, box.p2.x - 1, Floor, Ceil, box.p2.z - 1, box.p2.z - 1, E_BLOCK_PLANKS, 0);
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// The air in between:
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a_ChunkDesc.FillRelCuboid(box.p1.x + 2, box.p1.x + 2, Floor, Ceil, box.p1.z + 1, box.p2.z - 1, E_BLOCK_AIR, 0);
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a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p2.x - 1, Floor, Ceil, box.p1.z + 2, box.p1.z + 2, E_BLOCK_AIR, 0);
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// The air on the edges:
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int Mid = Floor + 2;
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a_ChunkDesc.FillRelCuboid(box.p1.x, box.p1.x, Floor, Mid, box.p1.z + 1, box.p2.z - 1, E_BLOCK_AIR, 0);
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a_ChunkDesc.FillRelCuboid(box.p2.x, box.p2.x, Floor, Mid, box.p1.z + 1, box.p2.z - 1, E_BLOCK_AIR, 0);
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a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p2.x - 1, Floor, Mid, box.p1.z, box.p1.z, E_BLOCK_AIR, 0);
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a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p2.x - 1, Floor, Mid, box.p2.z, box.p2.z, E_BLOCK_AIR, 0);
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Mid += 2;
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if (Mid < Ceil)
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{
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a_ChunkDesc.FillRelCuboid(box.p1.x, box.p1.x, Mid, Ceil, box.p1.z + 1, box.p2.z - 1, E_BLOCK_AIR, 0);
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a_ChunkDesc.FillRelCuboid(box.p2.x, box.p2.x, Mid, Ceil, box.p1.z + 1, box.p2.z - 1, E_BLOCK_AIR, 0);
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a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p2.x - 1, Mid, Ceil, box.p1.z, box.p1.z, E_BLOCK_AIR, 0);
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a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p2.x - 1, Mid, Ceil, box.p2.z, box.p2.z, E_BLOCK_AIR, 0);
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}
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// The floor, if needed:
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box.p2.y = box.p1.y;
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a_ChunkDesc.ReplaceRelCuboid(box, E_BLOCK_AIR, 0, E_BLOCK_PLANKS, 0);
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}
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