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authorTycho <work.tycho+git@gmail.com>2014-04-02 15:05:55 +0200
committerTycho <work.tycho+git@gmail.com>2014-04-02 15:05:55 +0200
commitdcaea749ae502366c23f2c04f3b42882cb71d0d6 (patch)
tree56e499098895a03bc66beac5aa33ba4ee261f17e /src/Generating/Prefab.h
parentMerge branch 'master' into globals (diff)
parentMerge pull request #831 from mc-server/Wither (diff)
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-rw-r--r--src/Generating/Prefab.h105
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diff --git a/src/Generating/Prefab.h b/src/Generating/Prefab.h
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+
+// Prefab.h
+
+/*
+Declares the cPrefab class, representing a cPiece descendant for the cPieceGenerator that
+uses a prefabricate in a cBlockArea for drawing itself.
+The class can be constructed from data that is stored directly in the executable, in a sPrefabDef structure
+declared in this file as well; the Gallery server exports areas in this format.
+*/
+
+
+
+
+
+#pragma once
+
+#include "PieceGenerator.h"
+#include "../BlockArea.h"
+
+
+
+
+
+// fwd:
+class cChunkDesc;
+
+
+
+
+
+class cPrefab :
+ public cPiece
+{
+public:
+ struct sDef
+ {
+ int m_SizeX;
+ int m_SizeY;
+ int m_SizeZ;
+ const char * m_CharMap;
+ const char * m_Image;
+ const char * m_Connectors;
+ int m_AllowedRotations;
+ cBlockArea::eMergeStrategy m_MergeStrategy;
+ };
+
+ cPrefab(const sDef & a_Def);
+
+ /** Draws the prefab into the specified chunk, according to the placement stored in the PlacedPiece. */
+ void Draw(cChunkDesc & a_Dest, const cPlacedPiece * a_Placement) const;
+
+ /** Returns true if the prefab has any connector of the specified type. */
+ bool HasConnectorType(int a_ConnectorType) const;
+
+protected:
+ /** Packs complete definition of a single block, for per-letter assignment. */
+ struct sBlockTypeDef
+ {
+ BLOCKTYPE m_BlockType;
+ NIBBLETYPE m_BlockMeta;
+ };
+
+ /** Maps letters in the sDef::m_Image onto a number, BlockType * 16 | BlockMeta */
+ typedef sBlockTypeDef CharMap[256];
+
+
+ /** The cBlockArea that contains the block definitions for the prefab.
+ The index identifies the number of CCW rotations applied (0 = no rotation, 1 = 1 CCW rotation, ...). */
+ cBlockArea m_BlockArea[4];
+
+ /** The size of the prefab */
+ Vector3i m_Size;
+
+ /** The hitbox of the prefab. In first version is the same as the m_BlockArea dimensions */
+ cCuboid m_HitBox;
+
+ /** The connectors through which the piece connects to other pieces */
+ cConnectors m_Connectors;
+
+ /** Bitmask, bit N set -> N rotations CCW supported */
+ int m_AllowedRotations;
+
+ /** The merge strategy to use when drawing the prefab into a block area */
+ cBlockArea::eMergeStrategy m_MergeStrategy;
+
+
+ // cPiece overrides:
+ virtual cConnectors GetConnectors(void) const override;
+ virtual Vector3i GetSize(void) const override;
+ virtual cCuboid GetHitBox(void) const override;
+ virtual bool CanRotateCCW(int a_NumRotations) const override;
+
+ /** Parses the CharMap in the definition into a CharMap binary data used for translating the definition into BlockArea. */
+ void ParseCharMap(CharMap & a_CharMapOut, const char * a_CharMapDef);
+
+ /** Parses the Image in the definition into m_BlockArea[0]'s block types and metas, using the specified CharMap. */
+ void ParseBlockImage(const CharMap & a_CharMap, const char * a_BlockImage);
+
+ /** Parses the connectors definition text into m_Connectors member. */
+ void ParseConnectors(const char * a_ConnectorsDef);
+};
+
+
+
+