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authorMattes D <github@xoft.cz>2017-02-26 22:49:23 +0100
committerMattes D <github@xoft.cz>2017-05-04 09:49:30 +0200
commit187abe3f5e2219e0a80c0cdca4db362e223b60ae (patch)
treeb68eac26b892fa469ec5753d34d4fa8a35a53bd3 /src/Generating/PieceGeneratorBFSTree.h
parentAPIDoc: Removed non-existent functions and added missing return types (diff)
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diff --git a/src/Generating/PieceGeneratorBFSTree.h b/src/Generating/PieceGeneratorBFSTree.h
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+
+// PieceGeneratorBFSTree.h
+
+// Declares the cPieceGeneratorBFSTree class for generating structures composed of individual "pieces" in a simple tree
+
+
+
+
+
+#pragma once
+
+#include "ComposableGenerator.h"
+#include "PiecePool.h"
+#include "../Noise/Noise.h"
+
+
+
+
+
+class cPieceGeneratorBFSTree
+{
+public:
+ /** Creates a new object tied to the specified PiecePool, using the specified seed. */
+ cPieceGeneratorBFSTree(cPiecePool & a_PiecePool, int a_Seed);
+
+
+ /** Generates a placement for pieces at the specified coords.
+ The Y coord is generated automatically based on the starting piece that is chosen. */
+ void PlacePieces(int a_BlockX, int a_BlockZ, int a_MaxDepth, cPlacedPieces & a_OutPieces);
+
+
+protected:
+
+ /** The type used for storing a connection from one piece to another, while building the piece tree. */
+ struct cConnection
+ {
+ cPiece * m_Piece; // The piece being connected
+ cPiece::cConnector m_Connector; // The piece's connector being used (relative non-rotated coords)
+ int m_NumCCWRotations; // Number of rotations necessary to match the two connectors
+ int m_Weight; // Relative chance that this connection will be chosen
+
+ cConnection(cPiece & a_Piece, cPiece::cConnector & a_Connector, int a_NumCCWRotations, int a_Weight);
+ };
+ typedef std::vector<cConnection> cConnections;
+
+
+ /** The type used for storing a pool of connectors that will be attempted to expand by another piece. */
+ struct cFreeConnector
+ {
+ cPlacedPiece * m_Piece;
+ cPiece::cConnector m_Connector;
+
+ cFreeConnector(cPlacedPiece * a_Piece, const cPiece::cConnector & a_Connector);
+ };
+ typedef std::vector<cFreeConnector> cFreeConnectors;
+
+
+ /** The pool from which pieces are taken. */
+ cPiecePool & m_PiecePool;
+
+ /** The noise used for random number generation. */
+ cNoise m_Noise;
+
+ /** The seed used by this generator. */
+ int m_Seed;
+
+
+ /** Selects a starting piece and places it, including its height and rotation.
+ Also puts the piece's connectors in a_OutConnectors. */
+ cPlacedPiecePtr PlaceStartingPiece(int a_BlockX, int a_BlockZ, cFreeConnectors & a_OutConnectors);
+
+ /** Tries to place a new piece at the specified (placed) connector. Returns true if successful. */
+ bool TryPlacePieceAtConnector(
+ const cPlacedPiece & a_ParentPiece, // The existing piece to a new piece should be placed
+ const cPiece::cConnector & a_Connector, // The existing connector (world-coords) to which a new piece should be placed
+ cPlacedPieces & a_OutPieces, // Already placed pieces, to be checked for intersections
+ cFreeConnectors & a_OutConnectors // List of free connectors to which the new connectors will be placed
+ );
+
+ /** Checks if the specified piece would fit with the already-placed pieces, using the specified connector
+ and number of CCW rotations.
+ a_ExistingConnector is in world-coords and is already rotated properly
+ a_ToPos is the world-coords position on which the new connector should be placed (1 block away from a_ExistingConnector, in its Direction)
+ a_NewConnector is in the original (non-rotated) coords.
+ Returns true if the piece fits, false if not. */
+ bool CheckConnection(
+ const cPiece::cConnector & a_ExistingConnector, // The existing connector
+ const Vector3i & a_ToPos, // The position on which the new connector should be placed
+ const cPiece & a_Piece, // The new piece
+ const cPiece::cConnector & a_NewConnector, // The connector of the new piece
+ int a_NumCCWRotations, // Number of rotations for the new piece to align the connector
+ const cPlacedPieces & a_OutPieces // All the already-placed pieces to check
+ );
+
+ /** DEBUG: Outputs all the connectors in the pool into stdout.
+ a_NumProcessed signals the number of connectors from the pool that should be considered processed (not listed). */
+ void DebugConnectorPool(const cFreeConnectors & a_ConnectorPool, size_t a_NumProcessed);
+} ;
+
+
+
+