1 files changed, 265 insertions, 0 deletions
diff --git a/src/Generating/POCPieceGenerator.cpp b/src/Generating/POCPieceGenerator.cpp
new file mode 100644
index 000000000..9edfcc64f
--- /dev/null
+++ b/src/Generating/POCPieceGenerator.cpp
@@ -0,0 +1,265 @@
+
+// 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
+}
+
+
+
+