diff options
| -rw-r--r-- | src/Generating/Prefab.cpp | 139 | ||||
| -rw-r--r-- | src/Generating/Prefab.h | 83 |
2 files changed, 222 insertions, 0 deletions
diff --git a/src/Generating/Prefab.cpp b/src/Generating/Prefab.cpp new file mode 100644 index 000000000..824800119 --- /dev/null +++ b/src/Generating/Prefab.cpp @@ -0,0 +1,139 @@ + +// Prefab.cpp + +/* +Implements the cPrefab class, representing a cPiece descendant for the cPieceGenerator that +uses a prefabricate in a cBlockArea for drawing itself. +*/ + +#include "Globals.h" +#include "Prefab.h" +#include "../WorldStorage/SchematicFileSerializer.h" + + + + + +cPrefab::cPrefab(const cPrefab::sDef & a_Def) : + m_Size(a_Def.m_SizeX, a_Def.m_SizeY, a_Def.m_SizeZ), + m_HitBox(0, 0, 0, a_Def.m_SizeX, a_Def.m_SizeY, a_Def.m_SizeZ), + m_AllowedRotations(7), // TODO: All rotations allowed (not in the definition yet) + m_MergeStrategy(cBlockArea::msImprint) +{ + m_BlockArea.Create(m_Size); + CharMap cm; + ParseCharMap(cm, a_Def.m_CharMap); + ParseBlockImage(cm, a_Def.m_Image); +} + + + + + +void cPrefab::Draw(cBlockArea & a_Dest, const cPlacedPiece * a_Placement) +{ + Vector3i Placement = a_Placement->GetCoords(); + Placement.Move(a_Dest.GetOrigin() * (-1)); + a_Dest.Merge(m_BlockArea, Placement, m_MergeStrategy); + +} + + + + + +void cPrefab::ParseCharMap(CharMap & a_CharMapOut, const char * a_CharMapDef) +{ + // Initialize the charmap to all-invalid values: + for (size_t i = 0; i < ARRAYCOUNT(a_CharMapOut); i++) + { + a_CharMapOut[i] = -1; + } + + // Process the lines in the definition: + AStringVector Lines = StringSplitAndTrim(a_CharMapDef, "\n"); + for (AStringVector::const_iterator itr = Lines.begin(), end = Lines.end(); itr != end; ++itr) + { + AStringVector CharDef = StringSplitAndTrim(*itr, ":"); + size_t NumElements = CharDef.size(); + if ((NumElements < 2) || CharDef[0].empty() || CharDef[1].empty()) + { + LOGWARNING("Bad prefab CharMap definition line: \"%s\", skipping.", itr->c_str()); + continue; + } + unsigned char Src = (unsigned char)CharDef[0][0]; + BLOCKTYPE BlockType = (BLOCKTYPE)atoi(CharDef[1].c_str()); + NIBBLETYPE BlockMeta = 0; + if ((NumElements >= 3) && !CharDef[2].empty()) + { + BlockMeta = (NIBBLETYPE)atoi(CharDef[2].c_str()); + ASSERT((BlockMeta >= 0) && (BlockMeta <= 15)); + } + ASSERT(a_CharMapOut[Src] == -1); // Any duplicates letter-wise? + a_CharMapOut[Src] = (BlockType << 4) | BlockMeta; + } // for itr - Lines[] +} + + + + + +void cPrefab::ParseBlockImage(const CharMap & a_CharMap, const char * a_BlockImage) +{ + // Map each letter in the a_BlockImage (from the in-source definition) to real blocktype / blockmeta: + for (int y = 0; y < m_Size.y; y++) + { + for (int z = 0; z < m_Size.z; z++) + { + const unsigned char * BlockImage = (const unsigned char *)a_BlockImage + y * m_Size.x * m_Size.z + z * m_Size.x; + for (int x = 0; x < m_Size.x; x++) + { + int MappedValue = a_CharMap[BlockImage[x]]; + ASSERT(MappedValue != -1); // Using a letter not defined in the CharMap? + BLOCKTYPE BlockType = MappedValue >> 4; + NIBBLETYPE BlockMeta = MappedValue & 0x0f; + m_BlockArea.SetRelBlockTypeMeta(x, y, z, BlockType, BlockMeta); + } + } + } +} + + + + + +cPiece::cConnectors cPrefab::GetConnectors(void) const +{ + return m_Connectors; +} + + + + + +Vector3i cPrefab::GetSize(void) const +{ + return m_Size; +} + + + + + +cCuboid cPrefab::GetHitBox(void) const +{ + return m_HitBox; +} + + + + + +bool cPrefab::CanRotateCCW(int a_NumRotations) const +{ + return ((m_AllowedRotations & (1 << (a_NumRotations % 4))) != 0); +} + + + + diff --git a/src/Generating/Prefab.h b/src/Generating/Prefab.h new file mode 100644 index 000000000..6596b906b --- /dev/null +++ b/src/Generating/Prefab.h @@ -0,0 +1,83 @@ + +// 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" + + + + + + +class cPrefab : + public cPiece +{ +public: + struct sDef + { + int m_SizeX; + int m_SizeY; + int m_SizeZ; + const char * m_CharMap; + const char * m_Image; + // TODO: Connectors + }; + + cPrefab(const sDef & a_Def); + + /** Draws the prefab into the specified block area, according to the placement stored in the PlacedPiece. */ + void Draw(cBlockArea & a_Dest, const cPlacedPiece * a_Placement); + +protected: + /** Maps letters in the sDef::m_Image onto a number, BlockType * 16 | BlockMeta */ + typedef int CharMap[256]; + + + /** The cBlockArea that contains the block definitions for the prefab */ + cBlockArea m_BlockArea; + + /** 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's block types and metas, using the specified CharMap. */ + void ParseBlockImage(const CharMap & a_CharMap, const char * a_BlockImage); +}; + + + + |