diff options
Diffstat (limited to 'src/BlockArea.h')
| -rw-r--r-- | src/BlockArea.h | 141 |
1 files changed, 111 insertions, 30 deletions
diff --git a/src/BlockArea.h b/src/BlockArea.h index 2100345e4..583b998c2 100644 --- a/src/BlockArea.h +++ b/src/BlockArea.h @@ -5,6 +5,8 @@ // The object also supports writing the blockdata back into cWorld, even into other coords // NOTE: All Nibble values (meta, blocklight, skylight) are stored one-nibble-per-byte for faster access / editting! +// NOTE: Lua bindings for this object explicitly check parameter values. C++ code is expected to pass in valid params, so the functions ASSERT on invalid params. +// This includes the datatypes (must be present / valid combination), coords and sizes. @@ -15,6 +17,7 @@ #include "ForEachChunkProvider.h" #include "Vector3.h" #include "ChunkDataCallback.h" +#include "Cuboid.h" @@ -38,10 +41,12 @@ public: /** What data is to be queried (bit-mask) */ enum { - baTypes = 1, - baMetas = 2, - baLight = 4, - baSkyLight = 8, + baTypes = 1, + baMetas = 2, + baLight = 4, + baSkyLight = 8, + // baEntities = 16, // Not supported yet + baBlockEntities = 32, } ; /** The per-block strategy to use when merging another block area into this object. @@ -61,20 +66,26 @@ public: cBlockArea(void); ~cBlockArea(); + /** Returns true if the datatype combination is valid. + Invalid combinations include BlockEntities without BlockTypes. */ + static bool IsValidDataTypeCombination(int a_DataTypes); + /** Clears the data stored to reclaim memory */ void Clear(void); + // tolua_end + /** Creates a new area of the specified size and contents. Origin is set to all zeroes. - BlockTypes are set to air, block metas to zero, blocklights to zero and skylights to full light. - */ - void Create(int a_SizeX, int a_SizeY, int a_SizeZ, int a_DataTypes = baTypes | baMetas); + BlockTypes are set to air, block metas to zero, blocklights to zero and skylights to full light. */ + void Create(int a_SizeX, int a_SizeY, int a_SizeZ, int a_DataTypes = baTypes | baMetas | baBlockEntities); /** Creates a new area of the specified size and contents. Origin is set to all zeroes. - BlockTypes are set to air, block metas to zero, blocklights to zero and skylights to full light. - */ - void Create(const Vector3i & a_Size, int a_DataTypes = baTypes | baMetas); + BlockTypes are set to air, block metas to zero, blocklights to zero and skylights to full light. */ + void Create(const Vector3i & a_Size, int a_DataTypes = baTypes | baMetas | baBlockEntities); + + // tolua_begin /** Resets the origin. No other changes are made, contents are untouched. */ void SetOrigin(int a_OriginX, int a_OriginY, int a_OriginZ); @@ -82,23 +93,39 @@ public: /** Resets the origin. No other changes are made, contents are untouched. */ void SetOrigin(const Vector3i & a_Origin); + /** Returns true if the specified relative coords are within this area's coord range (0 - m_Size). */ + bool IsValidRelCoords(int a_RelX, int a_RelY, int a_RelZ) const; + + /** Returns true if the specified relative coords are within this area's coord range (0 - m_Size). */ + bool IsValidRelCoords(const Vector3i & a_RelCoords) const; + + /** Returns true if the specified coords are within this area's coord range (as indicated by m_Origin). */ + bool IsValidCoords(int a_BlockX, int a_BlockY, int a_BlockZ) const; + + /** Returns true if the specified coords are within this area's coord range (as indicated by m_Origin). */ + bool IsValidCoords(const Vector3i & a_Coords) const; + + // tolua_end + /** Reads an area of blocks specified. Returns true if successful. All coords are inclusive. */ - bool Read(cForEachChunkProvider & a_ForEachChunkProvider, int a_MinBlockX, int a_MaxBlockX, int a_MinBlockY, int a_MaxBlockY, int a_MinBlockZ, int a_MaxBlockZ, int a_DataTypes = baTypes | baMetas); + bool Read(cForEachChunkProvider & a_ForEachChunkProvider, int a_MinBlockX, int a_MaxBlockX, int a_MinBlockY, int a_MaxBlockY, int a_MinBlockZ, int a_MaxBlockZ, int a_DataTypes = baTypes | baMetas | baBlockEntities); /** Reads an area of blocks specified. Returns true if successful. The bounds are included in the read area. */ - bool Read(cForEachChunkProvider & a_ForEachChunkProvider, const cCuboid & a_Bounds, int a_DataTypes = baTypes | baMetas); + bool Read(cForEachChunkProvider & a_ForEachChunkProvider, const cCuboid & a_Bounds, int a_DataTypes = baTypes | baMetas | baBlockEntities); /** Reads an area of blocks specified. Returns true if successful. The bounds are included in the read area. */ - bool Read(cForEachChunkProvider & a_ForEachChunkProvider, const Vector3i & a_Point1, const Vector3i & a_Point2, int a_DataTypes = baTypes | baMetas); + bool Read(cForEachChunkProvider & a_ForEachChunkProvider, const Vector3i & a_Point1, const Vector3i & a_Point2, int a_DataTypes = baTypes | baMetas | baBlockEntities); // TODO: Write() is not too good an interface: if it fails, there's no way to repeat only for the parts that didn't write // A better way may be to return a list of cBlockAreas for each part that didn't succeed writing, so that the caller may try again - /** Writes the area back into cWorld at the coords specified. Returns true if successful in all chunks, false if only partially / not at all */ - bool Write(cForEachChunkProvider & a_ForEachChunkProvider, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes = baTypes | baMetas); + /** Writes the area back into cWorld at the coords specified. Returns true if successful in all chunks, false if only partially / not at all. */ + bool Write(cForEachChunkProvider & a_ForEachChunkProvider, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes = baTypes | baMetas | baBlockEntities); - /** Writes the area back into cWorld at the coords specified. Returns true if successful in all chunks, false if only partially / not at all */ - bool Write(cForEachChunkProvider & a_ForEachChunkProvider, const Vector3i & a_MinCoords, int a_DataTypes = baTypes | baMetas); + /** Writes the area back into cWorld at the coords specified. Returns true if successful in all chunks, false if only partially / not at all. */ + bool Write(cForEachChunkProvider & a_ForEachChunkProvider, const Vector3i & a_MinCoords, int a_DataTypes = baTypes | baMetas | baBlockEntities); + + // tolua_begin /** Copies this object's contents into the specified BlockArea. */ void CopyTo(cBlockArea & a_Into) const; @@ -117,6 +144,10 @@ public: /** Merges another block area into this one, using the specified block combinating strategy This function combines another BlockArea into the current object. + The a_RelX, a_RelY and a_RelZ parameters specify the coords of this BA where a_Src should be copied. + If both areas contain baBlockEntities, the BEs are merged (with preference of keeping this' ones) (MergeBlockEntities()). + If only this contains BEs, but a_Src doesn't, the BEs are checked after merge to remove the overwritten ones and create + the missing ones (UpdateBlockEntities()). The strategy parameter specifies how individual blocks are combined together, using the table below. | area block | result | @@ -191,6 +222,8 @@ public: /** Fills the entire block area with the specified data */ void Fill(int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta = 0, NIBBLETYPE a_BlockLight = 0, NIBBLETYPE a_BlockSkyLight = 0x0f); + // tolua_end + /** Fills a cuboid inside the block area with the specified data */ void FillRelCuboid(int a_MinRelX, int a_MaxRelX, int a_MinRelY, int a_MaxRelY, int a_MinRelZ, int a_MaxRelZ, int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta = 0, @@ -203,18 +236,20 @@ public: NIBBLETYPE a_BlockLight = 0, NIBBLETYPE a_BlockSkyLight = 0x0f ); - /** Draws a line from between two points with the specified data */ + /** Draws a line between two points with the specified data. The line endpoints needn't be valid coords inside the area. */ void RelLine(int a_RelX1, int a_RelY1, int a_RelZ1, int a_RelX2, int a_RelY2, int a_RelZ2, int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta = 0, NIBBLETYPE a_BlockLight = 0, NIBBLETYPE a_BlockSkyLight = 0x0f ); - /** Draws a line from between two points with the specified data */ + /** Draws a line between two points with the specified data. The line endpoints needn't be valid coords inside the area. */ void RelLine(const Vector3i & a_Point1, const Vector3i & a_Point2, int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta = 0, NIBBLETYPE a_BlockLight = 0, NIBBLETYPE a_BlockSkyLight = 0x0f ); + // tolua_begin + /** Rotates the entire area counter-clockwise around the Y axis */ void RotateCCW(void); @@ -245,6 +280,8 @@ public: /** Mirrors the entire area around the YZ plane, doesn't use blockhandlers for block meta */ void MirrorYZNoMeta(void); + // tolua_end + // Setters: void SetRelBlockType (int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType); void SetBlockType (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType); @@ -254,8 +291,14 @@ public: void SetBlockLight (int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_BlockLight); void SetRelBlockSkyLight(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_BlockSkyLight); void SetBlockSkyLight (int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_BlockSkyLight); - void SetWEOffset (int a_OffsetX, int a_OffsetY, int a_OffsetZ); - void SetWEOffset (const Vector3i & a_Offset); + + // tolua_begin + + void SetWEOffset (int a_OffsetX, int a_OffsetY, int a_OffsetZ); + void SetWEOffset (const Vector3i & a_Offset); + const Vector3i & GetWEOffset (void) const {return m_WEOffset;} + + // tolua_end // Getters: BLOCKTYPE GetRelBlockType (int a_RelX, int a_RelY, int a_RelZ) const; @@ -266,21 +309,14 @@ public: NIBBLETYPE GetBlockLight (int a_BlockX, int a_BlockY, int a_BlockZ) const; NIBBLETYPE GetRelBlockSkyLight(int a_RelX, int a_RelY, int a_RelZ) const; NIBBLETYPE GetBlockSkyLight (int a_BlockX, int a_BlockY, int a_BlockZ) const; - const Vector3i & GetWEOffset (void) const {return m_WEOffset;} void SetBlockTypeMeta (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta); void SetRelBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta); - // tolua_end - - // These need manual exporting, tolua generates the binding as requiring 2 extra input params void GetBlockTypeMeta (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta) const; void GetRelBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta) const; - // GetSize() is already exported manually to return 3 numbers, can't auto-export const Vector3i & GetSize(void) const { return m_Size; } - - // GetOrigin() is already exported manually to return 3 numbers, can't auto-export const Vector3i & GetOrigin(void) const { return m_Origin; } // tolua_begin @@ -303,6 +339,7 @@ public: bool HasBlockMetas (void) const { return (m_BlockMetas != nullptr); } bool HasBlockLights (void) const { return (m_BlockLight != nullptr); } bool HasBlockSkyLights(void) const { return (m_BlockSkyLight != nullptr); } + bool HasBlockEntities (void) const { return (m_BlockEntities != nullptr); } /** Returns the count of blocks that are not air. Returns 0 if blocktypes not available. Block metas are ignored (if present, air with any meta is still considered air). */ @@ -333,11 +370,32 @@ public: size_t GetBlockCount(void) const { return static_cast<size_t>(m_Size.x * m_Size.y * m_Size.z); } int MakeIndex(int a_RelX, int a_RelY, int a_RelZ) const; + /** Calls the callback for the block entity at the specified coords. + Returns false if there is no block entity at those coords, or the block area doesn't have baBlockEntities. + Returns the value that the callback has returned if there is a block entity. */ + bool DoWithBlockEntityRelAt(int a_RelX, int a_RelY, int a_RelZ, cItemCallback<cBlockEntity> & a_Callback); + + /** Calls the callback for the block entity at the specified coords. + Returns false if there is no block entity at those coords. + Returns the value that the callback has returned if there is a block entity. */ + bool DoWithBlockEntityAt (int a_BlockX, int a_BlockY, int a_BlockZ, cItemCallback<cBlockEntity> & a_Callback); + + /** Calls the callback for all the block entities. + If the callback returns true, aborts the enumeration and returns false. + If the callback returns true, continues with the next BE. + Returns true if all block entities have been enumerated (including the case when there is none or the area is without baBlockEntities). */ + bool ForEachBlockEntity(cItemCallback<cBlockEntity> & a_Callback); + + /** Direct read-only access to block entities. */ + const cBlockEntities & GetBlockEntities(void) const { ASSERT(HasBlockEntities()); return *m_BlockEntities; } + + protected: + friend class cChunkDesc; friend class cSchematicFileSerializer; - class cChunkReader : + class cChunkReader: public cChunkDataCallback { public: @@ -345,6 +403,7 @@ protected: protected: cBlockArea & m_Area; + cCuboid m_AreaBounds; ///< Bounds of the whole area being read, in world coords Vector3i m_Origin; int m_CurrentChunkX; int m_CurrentChunkZ; @@ -354,6 +413,7 @@ protected: // cChunkDataCallback overrides: virtual bool Coords(int a_ChunkX, int a_ChunkZ) override; virtual void ChunkData(const cChunkData & a_BlockTypes) override; + virtual void BlockEntity(cBlockEntity * a_BlockEntity) override; } ; typedef NIBBLETYPE * NIBBLEARRAY; @@ -371,6 +431,11 @@ protected: NIBBLETYPE * m_BlockLight; // Each light value is stored as a separate byte for faster access NIBBLETYPE * m_BlockSkyLight; // Each light value is stored as a separate byte for faster access + /** The block entities contained within the area. + Only valid if the area was created / read with the baBlockEntities flag. + The block entities are owned by this object. */ + std::unique_ptr<cBlockEntities> m_BlockEntities; + /** Clears the data stored and prepares a fresh new block area with the specified dimensions */ bool SetSize(int a_SizeX, int a_SizeY, int a_SizeZ, int a_DataTypes); @@ -390,7 +455,8 @@ protected: void ExpandBlockTypes(int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMaxY, int a_SubMinZ, int a_AddMaxZ); void ExpandNibbles (NIBBLEARRAY & a_Array, int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMaxY, int a_SubMinZ, int a_AddMaxZ); - /** Sets the specified datatypes at the specified location. */ + /** Sets the specified datatypes at the specified location. + If the coords are not valid, ignores the call (so that RelLine() can work simply). */ void RelSetData( int a_RelX, int a_RelY, int a_RelZ, int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, @@ -399,6 +465,21 @@ protected: template <bool MetasValid> void MergeByStrategy(const cBlockArea & a_Src, int a_RelX, int a_RelY, int a_RelZ, eMergeStrategy a_Strategy, const NIBBLETYPE * SrcMetas, NIBBLETYPE * DstMetas); + + /** Clears the block entities from the specified container, freeing each blockentity. */ + static void ClearBlockEntities(cBlockEntities & a_BlockEntities); + + /** Updates m_BlockEntities to remove BEs that no longer match the blocktype at their coords, and clones from a_Src the BEs that are missing. + a_RelX, a_RelY and a_RelZ are relative coords that should be added to all BEs from a_Src before checking them. + If a block should have a BE but one cannot be found in either this or a_Src, a new one is created. */ + void MergeBlockEntities(int a_RelX, int a_RelY, int a_RelZ, const cBlockArea & a_Src); + + /** Updates m_BlockEntities to remove BEs that no longer match the blocktype at their coords, and add new BEs that are missing. */ + void RescanBlockEntities(void); + + /** Removes from m_BlockEntities those BEs that no longer match the blocktype at their coords. */ + void RemoveNonMatchingBlockEntities(void); + // tolua_begin } ; // tolua_end |