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-rw-r--r--src/Generating/POCPieceGenerator.cpp265
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diff --git a/src/Generating/POCPieceGenerator.cpp b/src/Generating/POCPieceGenerator.cpp
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+
+// POCPieceGenerator.cpp
+
+// Implements the cPOCPieceGenerator class representing a Proof-Of_Concept structure generator using the cPieceGenerator technique
+// The generator generates a maze of rooms at {0, 100, 0}
+
+#include "Globals.h"
+#include "POCPieceGenerator.h"
+#include "ChunkDesc.h"
+
+
+
+
+
+/** POC pieces are simple boxes that have connectors in the middle of their walls.
+Each wall has one connector, there are 3 connector types that get assigned semi-randomly.
+The piece also knows how to imprint itself in a cChunkDesc, each piece has a different color glass
+and each connector is uses a different color wool frame. */
+class cPOCPiece :
+ public cPiece
+{
+public:
+ cPOCPiece(int a_Size) :
+ m_Size(a_Size)
+ {
+ m_Connectors.push_back(cConnector(m_Size / 2, 1, 0, 0, BLOCK_FACE_ZM));
+ m_Connectors.push_back(cConnector(m_Size / 2, 1, m_Size - 1, 1, BLOCK_FACE_ZP));
+ m_Connectors.push_back(cConnector(0, 1, m_Size / 2, 2, BLOCK_FACE_XM));
+ m_Connectors.push_back(cConnector(m_Size - 1, 1, m_Size / 2, m_Size % 3, BLOCK_FACE_XP));
+ }
+
+
+ /** Imprints the piece in the specified chunk. Assumes they intersect. */
+ void ImprintInChunk(cChunkDesc & a_ChunkDesc, const Vector3i & a_Pos, int a_NumCCWRotations)
+ {
+ int BlockX = a_ChunkDesc.GetChunkX() * cChunkDef::Width;
+ int BlockZ = a_ChunkDesc.GetChunkZ() * cChunkDef::Width;
+ Vector3i Min = a_Pos;
+ Min.Move(-BlockX, 0, -BlockZ);
+ Vector3i Max = Min;
+ Max.Move(m_Size - 1, 2, m_Size - 1);
+ ASSERT(Min.x < cChunkDef::Width);
+ ASSERT(Min.z < cChunkDef::Width);
+ ASSERT(Max.x >= 0);
+ ASSERT(Max.z >= 0);
+ if (Min.x >= 0)
+ {
+ // Draw the XM wall:
+ a_ChunkDesc.FillRelCuboid(Min.x, Min.x, Min.y, Max.y, Min.z, Max.z, E_BLOCK_STAINED_GLASS, m_Size % 16);
+ }
+ if (Min.z >= 0)
+ {
+ // Draw the ZM wall:
+ a_ChunkDesc.FillRelCuboid(Min.x, Max.x, Min.y, Max.y, Min.z, Min.z, E_BLOCK_STAINED_GLASS, m_Size % 16);
+ }
+ if (Max.x < cChunkDef::Width)
+ {
+ // Draw the XP wall:
+ a_ChunkDesc.FillRelCuboid(Max.x, Max.x, Min.y, Max.y, Min.z, Max.z, E_BLOCK_STAINED_GLASS, m_Size % 16);
+ }
+ if (Max.z < cChunkDef::Width)
+ {
+ // Draw the ZP wall:
+ a_ChunkDesc.FillRelCuboid(Min.x, Max.x, Min.y, Max.y, Max.z, Max.z, E_BLOCK_STAINED_GLASS, m_Size % 16);
+ }
+
+ // Draw all the connectors:
+ for (cConnectors::const_iterator itr = m_Connectors.begin(), end = m_Connectors.end(); itr != end; ++itr)
+ {
+ cConnector Conn = cPiece::RotateMoveConnector(*itr, a_NumCCWRotations, a_Pos.x, a_Pos.y, a_Pos.z);
+ Conn.m_Pos.Move(-BlockX, 0, -BlockZ);
+ if (
+ (Conn.m_Pos.x >= 0) && (Conn.m_Pos.x < cChunkDef::Width) &&
+ (Conn.m_Pos.z >= 0) && (Conn.m_Pos.z < cChunkDef::Width)
+ )
+ {
+ a_ChunkDesc.SetBlockTypeMeta(Conn.m_Pos.x, Conn.m_Pos.y, Conn.m_Pos.z, E_BLOCK_WOOL, itr->m_Type % 16);
+ }
+
+ /*
+ // TODO: Frame the connectors
+ switch (itr->m_Direction)
+ {
+ case BLOCK_FACE_XM:
+ case BLOCK_FACE_XP:
+ {
+ // TODO
+ break;
+ }
+
+ case BLOCK_FACE_ZM:
+ case BLOCK_FACE_ZP:
+ {
+ // TODO
+ break;
+ }
+ }
+ */
+ } // for itr - m_Connectors[]
+ }
+
+protected:
+ int m_Size;
+ cConnectors m_Connectors;
+
+ // cPiece overrides:
+ virtual cConnectors GetConnectors(void) const override
+ {
+ return m_Connectors;
+ }
+
+ virtual Vector3i GetSize(void) const override
+ {
+ return Vector3i(m_Size, 3, m_Size);
+ }
+
+ virtual cCuboid GetHitBox(void) const override
+ {
+ return cCuboid(0, 0, 0, m_Size - 1, 2, m_Size - 1);
+ }
+
+ virtual bool CanRotateCCW(int a_NumRotations) const override
+ {
+ return true;
+ }
+};
+
+
+
+
+
+static void DebugPieces(const cPlacedPieces & a_Pieces)
+{
+ size_t idx = 0;
+ for (cPlacedPieces::const_iterator itr = a_Pieces.begin(), end = a_Pieces.end(); itr != end; ++itr, ++idx)
+ {
+ const cCuboid & HitBox = (*itr)->GetHitBox();
+ printf(" %u: %d rotations, {%d - %d, %d - %d}\n",
+ idx, (*itr)->GetNumCCWRotations(),
+ HitBox.p1.x, HitBox.p2.x, HitBox.p1.z, HitBox.p2.z
+ );
+ } // for itr - a_Pieces[]
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cPOCPieceGenerator:
+
+cPOCPieceGenerator::cPOCPieceGenerator(int a_Seed) :
+ m_Seed(a_Seed)
+{
+ // Prepare a vector of available pieces:
+ m_AvailPieces.push_back(new cPOCPiece(5));
+ m_AvailPieces.push_back(new cPOCPiece(7));
+ m_AvailPieces.push_back(new cPOCPiece(9));
+
+ // Generate the structure:
+ cBFSPieceGenerator Gen(*this, a_Seed);
+ Gen.PlacePieces(0, 50, 0, 6, m_Pieces);
+
+ // DebugPieces(m_Pieces);
+
+ // Get the smallest cuboid encompassing the entire generated structure:
+ cCuboid Bounds(0, 50, 0, 0, 50, 0);
+ for (cPlacedPieces::const_iterator itr = m_Pieces.begin(), end = m_Pieces.end(); itr != end; ++itr)
+ {
+ Vector3i MinCoords = (*itr)->GetCoords();
+ Bounds.Engulf(MinCoords);
+ Bounds.Engulf(MinCoords + (*itr)->GetPiece().GetSize());
+ } // for itr - m_Pieces[]
+ m_Bounds = Bounds;
+}
+
+
+
+
+
+cPOCPieceGenerator::~cPOCPieceGenerator()
+{
+ cPieceGenerator::FreePieces(m_Pieces);
+}
+
+
+
+
+
+void cPOCPieceGenerator::GenFinish(cChunkDesc & a_ChunkDesc)
+{
+ int BlockX = a_ChunkDesc.GetChunkX() * cChunkDef::Width;
+ int BlockZ = a_ChunkDesc.GetChunkZ() * cChunkDef::Width;
+ if (
+ (BlockX + 16 < m_Bounds.p1.x) || (BlockX > m_Bounds.p2.x) || // X coords out of bounds of the generated structure
+ (BlockZ + 16 < m_Bounds.p1.z) || (BlockZ > m_Bounds.p2.z) // Z coords out of bounds of the generated structure
+ )
+ {
+ return;
+ }
+
+ // Imprint each piece in the chunk:
+ for (cPlacedPieces::const_iterator itr = m_Pieces.begin(), end = m_Pieces.end(); itr != end; ++itr)
+ {
+ const Vector3i & Pos = (*itr)->GetCoords();
+ Vector3i Size = (*itr)->GetPiece().GetSize();
+ if (((*itr)->GetNumCCWRotations() % 2) == 1)
+ {
+ std::swap(Size.x, Size.z);
+ }
+ if (
+ (Pos.x >= BlockX + 16) || (Pos.x + Size.x - 1 < BlockX) ||
+ (Pos.z >= BlockZ + 16) || (Pos.z + Size.z - 1 < BlockZ)
+ )
+ {
+ // This piece doesn't intersect the chunk
+ continue;
+ }
+
+ ((cPOCPiece &)(*itr)->GetPiece()).ImprintInChunk(a_ChunkDesc, Pos, (*itr)->GetNumCCWRotations());
+ } // for itr - m_Pieces[]
+ a_ChunkDesc.UpdateHeightmap();
+}
+
+
+
+
+
+cPieces cPOCPieceGenerator::GetPiecesWithConnector(int a_ConnectorType)
+{
+ // Each piece has each connector
+ return m_AvailPieces;
+}
+
+
+
+
+
+cPieces cPOCPieceGenerator::GetStartingPieces(void)
+{
+ // Any piece can be a starting piece
+ return m_AvailPieces;
+}
+
+
+
+
+
+void cPOCPieceGenerator::PiecePlaced(const cPiece & a_Piece)
+{
+ UNUSED(a_Piece);
+}
+
+
+
+
+
+void cPOCPieceGenerator::Reset(void)
+{
+ // Nothing needed
+}
+
+
+
+