Added PieceStructures generator.

src/Generating/PrefabStructure.h

@@ -0,0 +1,52 @@
+
+// PrefabStructure.h
+
+// Declares the cPrefabStructure class representing a cGridStructGen::cStructure descendant based on placed cPrefab instances
+
+
+
+
+
+#pragma once
+
+#include "GridStructGen.h"
+#include "PieceGenerator.h"
+
+
+
+
+
+class cPrefabStructure:
+	public cGridStructGen::cStructure
+{
+	typedef cGridStructGen::cStructure Super;
+
+public:
+	cPrefabStructure(
+		int a_GridX, int a_GridZ,
+		int a_OriginX, int a_OriginZ,
+		cPlacedPieces & a_Pieces,
+		cTerrainHeightGenPtr a_HeightGen
+	);
+
+	virtual ~cPrefabStructure();
+
+protected:
+	/** The pieces placed by the generator. */
+	cPlacedPieces m_Pieces;
+
+	/** The height generator used when adjusting pieces onto the ground. */
+	cTerrainHeightGenPtr m_HeightGen;
+
+
+	// cGridStructGen::cStructure overrides:
+	virtual void DrawIntoChunk(cChunkDesc & a_Chunk) override;
+
+	/**  Adjusts the Y coord of the given piece so that the piece is on the ground.
+	Ground level is assumed to be represented by the first connector in the piece. */
+	void PlacePieceOnGround(cPlacedPiece & a_Piece);
+};
+
+
+
+