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-rw-r--r--src/Generating/PieceGenerator.h69
1 files changed, 60 insertions, 9 deletions
diff --git a/src/Generating/PieceGenerator.h b/src/Generating/PieceGenerator.h
index bef9d3463..fd8576706 100644
--- a/src/Generating/PieceGenerator.h
+++ b/src/Generating/PieceGenerator.h
@@ -38,7 +38,8 @@ public:
/** Position relative to the piece */
Vector3i m_Pos;
- /** Type of the connector. Any arbitrary number; the generator connects only connectors of the same type. */
+ /** Type of the connector. Any arbitrary number; the generator connects only connectors of opposite
+ (negative) types. */
int m_Type;
/** Direction in which the connector is facing.
@@ -85,6 +86,13 @@ typedef std::vector<cPiece *> cPieces;
+// fwd:
+class cPlacedPiece;
+
+
+
+
+
/** This class is an interface that provides pieces for the generator. It can keep track of what pieces were
placed and adjust the returned piece vectors. */
class cPiecePool
@@ -101,6 +109,26 @@ public:
Multiple starting points are supported, one of the returned piece will be chosen. */
virtual cPieces GetStartingPieces(void) = 0;
+ /** Returns the relative weight with which the a_NewPiece is to be selected for placing under a_PlacedPiece through a_ExistingConnector.
+ a_ExistingConnector is the original connector, before any movement or rotation is applied to it.
+ This allows the pool to tweak the piece's chances, based on the previous pieces in the tree and the connector used.
+ The higher the number returned, the higher the chance the piece will be chosen. 0 means the piece will never be chosen.
+ */
+ virtual int GetPieceWeight(
+ const cPlacedPiece & a_PlacedPiece,
+ const cPiece::cConnector & a_ExistingConnector,
+ const cPiece & a_NewPiece
+ ) { return 1; }
+
+ /** Returns the relative weight with which the a_NewPiece is to be selected for placing as the first piece.
+ This allows the pool to tweak the piece's chances.
+ The higher the number returned, the higher the chance the piece will be chosen. 0 means the piece will not be chosen.
+ If all pieces return 0, a random piece is chosen, with all equal chances.
+ */
+ virtual int GetStartingPieceWeight(
+ const cPiece & a_NewPiece
+ ) { return 1; }
+
/** Called after a piece is placed, to notify the pool that it has been used.
The pool may adjust the pieces it will return the next time. */
virtual void PiecePlaced(const cPiece & a_Piece) = 0;
@@ -120,19 +148,41 @@ class cPlacedPiece
public:
cPlacedPiece(const cPlacedPiece * a_Parent, const cPiece & a_Piece, const Vector3i & a_Coords, int a_NumCCWRotations);
- const cPiece & GetPiece (void) const { return *m_Piece; }
- const Vector3i & GetCoords (void) const { return m_Coords; }
- int GetNumCCWRotations(void) const { return m_NumCCWRotations; }
- const cCuboid & GetHitBox (void) const { return m_HitBox; }
- int GetDepth (void) const { return m_Depth; }
+ const cPlacedPiece * GetParent (void) const { return m_Parent; }
+ const cPiece & GetPiece (void) const { return *m_Piece; }
+ const Vector3i & GetCoords (void) const { return m_Coords; }
+ int GetNumCCWRotations (void) const { return m_NumCCWRotations; }
+ const cCuboid & GetHitBox (void) const { return m_HitBox; }
+ int GetDepth (void) const { return m_Depth; }
+ bool HasBeenMovedToGround(void) const { return m_HasBeenMovedToGround; }
+
+ /** Returns the coords as a modifiable object. */
+ Vector3i & GetCoords(void) { return m_Coords; }
+
+ /** Returns the connector at the specified index, rotated in the actual placement.
+ Undefined behavior if a_Index is out of range. */
+ cPiece::cConnector GetRotatedConnector(size_t a_Index) const;
+
+ /** Returns a copy of the specified connector, modified to account for the translation and rotation for
+ this placement. */
+ cPiece::cConnector GetRotatedConnector(const cPiece::cConnector & a_Connector) const;
+
+ /** Moves the placed piece Y-wise by the specified offset.
+ Sets m_HasBeenMovedToGround to true, too.
+ Used eg. by village houses. */
+ void MoveToGroundBy(int a_OffsetY);
protected:
const cPlacedPiece * m_Parent;
const cPiece * m_Piece;
Vector3i m_Coords;
int m_NumCCWRotations;
- cCuboid m_HitBox;
- int m_Depth;
+ cCuboid m_HitBox; // Hitbox of the placed piece, in world coords
+ int m_Depth; // Depth in the generated piece tree
+
+ /** Set to true once the piece has been moved Y-wise.
+ Used eg. by village houses. */
+ bool m_HasBeenMovedToGround;
};
typedef std::vector<cPlacedPiece *> cPlacedPieces;
@@ -157,8 +207,9 @@ protected:
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);
+ cConnection(cPiece & a_Piece, cPiece::cConnector & a_Connector, int a_NumCCWRotations, int a_Weight);
};
typedef std::vector<cConnection> cConnections;