From 2a5addbcd7fe986cc28e152eef12257e16a29215 Mon Sep 17 00:00:00 2001 From: "madmaxoft@gmail.com" Date: Sat, 30 Mar 2013 21:04:33 +0000 Subject: MineShafts: Added branching crossings git-svn-id: http://mc-server.googlecode.com/svn/trunk@1331 0a769ca7-a7f5-676a-18bf-c427514a06d6 --- source/Generating/MineShafts.cpp | 139 +++++++++++++++++++++++++++++++++++++-- 1 file changed, 132 insertions(+), 7 deletions(-) (limited to 'source/Generating/MineShafts.cpp') diff --git a/source/Generating/MineShafts.cpp b/source/Generating/MineShafts.cpp index 682241afd..1d46ec636 100644 --- a/source/Generating/MineShafts.cpp +++ b/source/Generating/MineShafts.cpp @@ -24,7 +24,7 @@ in a depth-first processing. Each of the descendants will branch randomly, if no -static const int NEIGHBORHOOD_SIZE = 1; +static const int NEIGHBORHOOD_SIZE = 3; @@ -51,9 +51,9 @@ public: } ; + cStructGenMineShafts::cMineShaftSystem & m_ParentSystem; eKind m_Kind; cCuboid m_BoundingBox; - cStructGenMineShafts::cMineShaftSystem & m_ParentSystem; cMineShaft(cStructGenMineShafts::cMineShaftSystem & a_ParentSystem, eKind a_Kind) : @@ -62,6 +62,13 @@ public: { } + cMineShaft(cStructGenMineShafts::cMineShaftSystem & a_ParentSystem, eKind a_Kind, const cCuboid & a_BoundingBox) : + m_ParentSystem(a_ParentSystem), + m_Kind(a_Kind), + m_BoundingBox(a_BoundingBox) + { + } + /// Returns true if this mineshaft intersects the specified cuboid bool DoesIntersect(const cCuboid & a_Other) { @@ -155,7 +162,7 @@ public: ); protected: - // TODO + cMineShaftCrossing(cStructGenMineShafts::cMineShaftSystem & a_ParentSystem, const cCuboid & a_BoundingBox); // cMineShaft overrides: virtual void AppendBranches(int a_RecursionLevel, cNoise & a_Noise) override; @@ -451,11 +458,10 @@ cMineShaftCorridor::cMineShaftCorridor( const cCuboid & a_BoundingBox, int a_NumSegments, eDirection a_Direction, cNoise & a_Noise ) : - super(a_ParentSystem, mskCorridor), + super(a_ParentSystem, mskCorridor, a_BoundingBox), m_NumSegments(a_NumSegments), m_Direction(a_Direction) { - m_BoundingBox = a_BoundingBox; int rnd = a_Noise.IntNoise3DInt(a_BoundingBox.p1.x, a_BoundingBox.p1.y, a_BoundingBox.p1.z) / 7; for (int i = 0; i < a_NumSegments; i++) { @@ -661,14 +667,133 @@ void cMineShaftCorridor::ProcessChunk(cChunkDesc & a_ChunkDesc) /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // cMineShaftCrossing: +cMineShaftCrossing::cMineShaftCrossing(cStructGenMineShafts::cMineShaftSystem & a_ParentSystem, const cCuboid & a_BoundingBox) : + super(a_ParentSystem, mskCrossing, a_BoundingBox) +{ +} + + + + + cMineShaft * cMineShaftCrossing::CreateAndFit( cStructGenMineShafts::cMineShaftSystem & a_ParentSystem, int a_PivotX, int a_PivotY, int a_PivotZ, eDirection a_Direction, cNoise & a_Noise ) { - // TODO - return NULL; + cCuboid BoundingBox(a_PivotX, a_PivotY - 1, a_PivotZ); + int rnd = a_Noise.IntNoise3DInt(a_PivotX, a_PivotY + a_ParentSystem.m_MineShafts.size(), a_PivotZ) / 7; + BoundingBox.p2.y += 3; + if ((rnd % 4) < 2) + { + // 2-level crossing: + BoundingBox.p2.y += 4; + rnd >>= 2; + if ((rnd % 4) < 2) + { + // This is the higher level: + BoundingBox.p1.y -= 4; + BoundingBox.p2.y -= 4; + } + } + rnd >>= 2; + switch (a_Direction) + { + case dirXP: BoundingBox.p2.x += 4; BoundingBox.p1.z -= 2; BoundingBox.p2.z += 2; break; + case dirXM: BoundingBox.p1.x -= 4; BoundingBox.p1.z -= 2; BoundingBox.p2.z += 2; break; + case dirZP: BoundingBox.p2.z += 4; BoundingBox.p1.x -= 2; BoundingBox.p2.x += 2; break; + case dirZM: BoundingBox.p1.z -= 4; BoundingBox.p1.x -= 2; BoundingBox.p2.x += 2; break; + } + if (a_ParentSystem.DoIntersect(BoundingBox)) + { + return NULL; + } + return new cMineShaftCrossing(a_ParentSystem, BoundingBox); +} + + + + + +void cMineShaftCrossing::AppendBranches(int a_RecursionLevel, cNoise & a_Noise) +{ + struct + { + int x, y, z; + eDirection dir; + } Exits[] = + { + // Bottom level: + {-1, 1, 2, dirXM}, + { 2, 1, -1, dirZM}, + { 5, 1, 2, dirXP}, + { 2, 1, 5, dirZP}, + // Top level: + {-1, 5, 2, dirXM}, + { 2, 5, -1, dirZM}, + { 5, 5, 2, dirXP}, + { 2, 5, 5, dirZP}, + } ; + for (int i = 0; i < ARRAYCOUNT(Exits); i++) + { + if (m_BoundingBox.p1.y + Exits[i].y >= m_BoundingBox.p2.y) + { + // This exit is not available (two-level exit on a one-level crossing) + continue; + } + + int Height = m_BoundingBox.p1.y + Exits[i].y; + 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); + } // for i +} + + + + + +void cMineShaftCrossing::ProcessChunk(cChunkDesc & a_ChunkDesc) +{ + int BlockX = a_ChunkDesc.GetChunkX() * cChunkDef::Width; + int BlockZ = a_ChunkDesc.GetChunkZ() * cChunkDef::Width; + cCuboid box(m_BoundingBox); + box.Move(-BlockX, 0, -BlockZ); + if ((box.p2.x < 0) || (box.p2.z < 0) || (box.p1.x >= cChunkDef::Width) || (box.p1.z > cChunkDef::Width)) + { + // Does not intersect this chunk + return; + } + int Floor = box.p1.y + 1; + int Ceil = box.p2.y; + + // The supports: + 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); + 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); + 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); + 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); + + // The air in between: + 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); + 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); + + // The air on the edges: + int Mid = Floor + 2; + a_ChunkDesc.FillRelCuboid(box.p1.x, box.p1.x, Floor, Mid, box.p1.z + 1, box.p2.z - 1, E_BLOCK_AIR, 0); + a_ChunkDesc.FillRelCuboid(box.p2.x, box.p2.x, Floor, Mid, box.p1.z + 1, box.p2.z - 1, E_BLOCK_AIR, 0); + a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p2.x - 1, Floor, Mid, box.p1.z, box.p1.z, E_BLOCK_AIR, 0); + a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p2.x - 1, Floor, Mid, box.p2.z, box.p2.z, E_BLOCK_AIR, 0); + Mid += 2; + if (Mid < Ceil) + { + a_ChunkDesc.FillRelCuboid(box.p1.x, box.p1.x, Mid, Ceil, box.p1.z + 1, box.p2.z - 1, E_BLOCK_AIR, 0); + a_ChunkDesc.FillRelCuboid(box.p2.x, box.p2.x, Mid, Ceil, box.p1.z + 1, box.p2.z - 1, E_BLOCK_AIR, 0); + a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p2.x - 1, Mid, Ceil, box.p1.z, box.p1.z, E_BLOCK_AIR, 0); + a_ChunkDesc.FillRelCuboid(box.p1.x + 1, box.p2.x - 1, Mid, Ceil, box.p2.z, box.p2.z, E_BLOCK_AIR, 0); + } + + // The floor, if needed: + box.p2.y = box.p1.y; + a_ChunkDesc.ReplaceRelCuboid(box, E_BLOCK_AIR, 0, E_BLOCK_PLANKS, 0); } -- cgit v1.2.3