521 lines
11 KiB
C++
521 lines
11 KiB
C++
|
|
// 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"
|
|
#include "ChunkDesc.h"
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef SELF_TEST
|
|
|
|
// Create one static prefab to test the parser:
|
|
static const cPrefab::sDef g_TestPrefabDef =
|
|
{
|
|
// Size:
|
|
7, 6, 7, // SizeX = 7, SizeY = 6, SizeZ = 7
|
|
|
|
// Hitbox (relative to bounding box):
|
|
0, 0, 0, // MinX, MinY, MinZ
|
|
6, 5, 6, // MaxX, MaxY, MaxZ
|
|
|
|
// Block definitions:
|
|
".: 0: 0\n" /* 0 */
|
|
"a:112: 0\n" /* netherbrick */
|
|
"b:113: 0\n" /* netherbrickfence */,
|
|
|
|
// Block data:
|
|
// Level 1
|
|
"aaaaaaa"
|
|
"aaaaaaa"
|
|
"aaaaaaa"
|
|
"aaaaaaa"
|
|
"aaaaaaa"
|
|
"aaaaaaa"
|
|
"aaaaaaa"
|
|
|
|
// Level 2
|
|
"aa...aa"
|
|
"a.....a"
|
|
"......."
|
|
"......."
|
|
"......."
|
|
"a.....a"
|
|
"aa...aa"
|
|
|
|
// Level 3
|
|
"aa...aa"
|
|
"a.....a"
|
|
"......."
|
|
"......."
|
|
"......."
|
|
"a.....a"
|
|
"aa...aa"
|
|
|
|
// Level 4
|
|
"aa...aa"
|
|
"a.....a"
|
|
"......."
|
|
"......."
|
|
"......."
|
|
"a.....a"
|
|
"aa...aa"
|
|
|
|
// Level 5
|
|
"aabbbaa"
|
|
"a.....a"
|
|
"b.....b"
|
|
"b.....b"
|
|
"b.....b"
|
|
"a.....a"
|
|
"aabbbaa"
|
|
|
|
// Level 6
|
|
"aaaaaaa"
|
|
"a.....a"
|
|
"a.....a"
|
|
"a.....a"
|
|
"a.....a"
|
|
"a.....a"
|
|
"aaaaaaa",
|
|
|
|
// Connections:
|
|
"0: 0, 3, 2: 4\n"
|
|
"0: 2, 3, 0: 2\n",
|
|
|
|
// AllowedRotations:
|
|
7, /* 1, 2, 3 CCW rotations */
|
|
|
|
// Merge strategy:
|
|
cBlockArea::msImprint,
|
|
|
|
// ShouldExtendFloor:
|
|
false,
|
|
|
|
// DefaultWeight:
|
|
10,
|
|
|
|
// DepthWeight:
|
|
"",
|
|
|
|
// AddWeightIfSame:
|
|
1000,
|
|
|
|
// MoveToGround:
|
|
false,
|
|
};
|
|
|
|
static cPrefab g_TestPrefab(g_TestPrefabDef);
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
cPrefab::cPrefab(const cPrefab::sDef & a_Def) :
|
|
m_Size(a_Def.m_SizeX, a_Def.m_SizeY, a_Def.m_SizeZ),
|
|
m_HitBox(
|
|
a_Def.m_HitboxMinX, a_Def.m_HitboxMinY, a_Def.m_HitboxMinZ,
|
|
a_Def.m_HitboxMaxX, a_Def.m_HitboxMaxY, a_Def.m_HitboxMaxZ
|
|
),
|
|
m_AllowedRotations(a_Def.m_AllowedRotations),
|
|
m_MergeStrategy(a_Def.m_MergeStrategy),
|
|
m_ShouldExtendFloor(a_Def.m_ShouldExtendFloor),
|
|
m_DefaultWeight(a_Def.m_DefaultWeight),
|
|
m_AddWeightIfSame(a_Def.m_AddWeightIfSame),
|
|
m_MoveToGround(a_Def.m_MoveToGround)
|
|
{
|
|
m_BlockArea[0].Create(m_Size);
|
|
CharMap cm;
|
|
ParseCharMap(cm, a_Def.m_CharMap);
|
|
ParseBlockImage(cm, a_Def.m_Image);
|
|
ParseConnectors(a_Def.m_Connectors);
|
|
ParseDepthWeight(a_Def.m_DepthWeight);
|
|
|
|
AddRotatedBlockAreas();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
cPrefab::cPrefab(const cBlockArea & a_Image, int a_AllowedRotations) :
|
|
m_Size(a_Image.GetSize()),
|
|
m_AllowedRotations(a_AllowedRotations),
|
|
m_MergeStrategy(cBlockArea::msOverwrite),
|
|
m_ShouldExtendFloor(false),
|
|
m_DefaultWeight(1),
|
|
m_AddWeightIfSame(0),
|
|
m_MoveToGround(false)
|
|
{
|
|
m_HitBox.p1.Set(0, 0, 0);
|
|
m_HitBox.p2.Set(m_Size.x - 1, m_Size.y - 1, m_Size.z - 1);
|
|
m_BlockArea[0].CopyFrom(a_Image);
|
|
AddRotatedBlockAreas();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cPrefab::AddRotatedBlockAreas(void)
|
|
{
|
|
// 1 CCW rotation:
|
|
if ((m_AllowedRotations & 0x01) != 0)
|
|
{
|
|
m_BlockArea[1].CopyFrom(m_BlockArea[0]);
|
|
m_BlockArea[1].RotateCCW();
|
|
}
|
|
|
|
// 2 rotations are the same as mirroring twice; mirroring is faster because it has no reallocations
|
|
if ((m_AllowedRotations & 0x02) != 0)
|
|
{
|
|
m_BlockArea[2].CopyFrom(m_BlockArea[0]);
|
|
m_BlockArea[2].MirrorXY();
|
|
m_BlockArea[2].MirrorYZ();
|
|
}
|
|
|
|
// 3 CCW rotations = 1 CW rotation:
|
|
if ((m_AllowedRotations & 0x04) != 0)
|
|
{
|
|
m_BlockArea[3].CopyFrom(m_BlockArea[0]);
|
|
m_BlockArea[3].RotateCW();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cPrefab::Draw(cChunkDesc & a_Dest, const cPlacedPiece * a_Placement) const
|
|
{
|
|
Draw(a_Dest, a_Placement->GetCoords(), a_Placement->GetNumCCWRotations());
|
|
}
|
|
|
|
|
|
|
|
|
|
void cPrefab::Draw(cChunkDesc & a_Dest, const Vector3i & a_Placement, int a_NumRotations) const
|
|
{
|
|
// Draw the basic image:
|
|
Vector3i Placement(a_Placement);
|
|
int ChunkStartX = a_Dest.GetChunkX() * cChunkDef::Width;
|
|
int ChunkStartZ = a_Dest.GetChunkZ() * cChunkDef::Width;
|
|
Placement.Move(-ChunkStartX, 0, -ChunkStartZ);
|
|
const cBlockArea & Image = m_BlockArea[a_NumRotations];
|
|
|
|
// If the placement is outside this chunk, bail out:
|
|
if (
|
|
(Placement.x > cChunkDef::Width) || (Placement.x + Image.GetSizeX() < 0) ||
|
|
(Placement.z > cChunkDef::Width) || (Placement.z + Image.GetSizeZ() < 0)
|
|
)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Write the image:
|
|
a_Dest.WriteBlockArea(Image, Placement.x, Placement.y, Placement.z, m_MergeStrategy);
|
|
|
|
// If requested, draw the floor (from the bottom of the prefab down to the nearest non-air)
|
|
if (m_ShouldExtendFloor)
|
|
{
|
|
int MaxX = Image.GetSizeX();
|
|
int MaxZ = Image.GetSizeZ();
|
|
for (int z = 0; z < MaxZ; z++)
|
|
{
|
|
int RelZ = Placement.z + z;
|
|
if ((RelZ < 0) || (RelZ >= cChunkDef::Width))
|
|
{
|
|
// Z coord outside the chunk
|
|
continue;
|
|
}
|
|
for (int x = 0; x < MaxX; x++)
|
|
{
|
|
int RelX = Placement.x + x;
|
|
if ((RelX < 0) || (RelX >= cChunkDef::Width))
|
|
{
|
|
// X coord outside the chunk
|
|
continue;
|
|
}
|
|
BLOCKTYPE BlockType;
|
|
NIBBLETYPE BlockMeta;
|
|
Image.GetRelBlockTypeMeta(x, 0, z, BlockType, BlockMeta);
|
|
if ((BlockType == E_BLOCK_AIR) || (BlockType == E_BLOCK_SPONGE))
|
|
{
|
|
// Do not expand air nor sponge blocks
|
|
continue;
|
|
}
|
|
for (int y = Placement.y - 1; y >= 0; y--)
|
|
{
|
|
BLOCKTYPE ExistingBlock = a_Dest.GetBlockType(RelX, y, RelZ);
|
|
if (ExistingBlock != E_BLOCK_AIR)
|
|
{
|
|
// End the expansion for this column, reached the end
|
|
break;
|
|
}
|
|
a_Dest.SetBlockTypeMeta(RelX, y, RelZ, BlockType, BlockMeta);
|
|
} // for y
|
|
} // for x
|
|
} // for z
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cPrefab::HasConnectorType(int a_ConnectorType) const
|
|
{
|
|
for (cConnectors::const_iterator itr = m_Connectors.begin(), end = m_Connectors.end(); itr != end; ++itr)
|
|
{
|
|
if (itr->m_Type == a_ConnectorType)
|
|
{
|
|
return true;
|
|
}
|
|
} // for itr - m_Connectors[]
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int cPrefab::GetPieceWeight(const cPlacedPiece & a_PlacedPiece, const cPiece::cConnector & a_ExistingConnector) const
|
|
{
|
|
// Use the default or per-depth weight:
|
|
cDepthWeight::const_iterator itr = m_DepthWeight.find(a_PlacedPiece.GetDepth() + 1);
|
|
int res = (itr == m_DepthWeight.end()) ? m_DefaultWeight : itr->second;
|
|
|
|
// If the piece is the same as the parent, apply the m_AddWeightIfSame modifier:
|
|
const cPiece * ParentPiece = &a_PlacedPiece.GetPiece();
|
|
const cPiece * ThisPiece = this;
|
|
if (ThisPiece == ParentPiece)
|
|
{
|
|
res += m_AddWeightIfSame;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cPrefab::SetDefaultWeight(int a_DefaultWeight)
|
|
{
|
|
m_DefaultWeight = a_DefaultWeight;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cPrefab::AddConnector(int a_RelX, int a_RelY, int a_RelZ, eBlockFace a_Direction, int a_Type)
|
|
{
|
|
m_Connectors.push_back(cConnector(a_RelX, a_RelY, a_RelZ, a_Type, a_Direction));
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cPrefab::ParseCharMap(CharMap & a_CharMapOut, const char * a_CharMapDef)
|
|
{
|
|
ASSERT(a_CharMapDef != NULL);
|
|
|
|
// Initialize the charmap to all-invalid values:
|
|
for (size_t i = 0; i < ARRAYCOUNT(a_CharMapOut); i++)
|
|
{
|
|
a_CharMapOut[i].m_BlockType = 0;
|
|
a_CharMapOut[i].m_BlockMeta = 16; // Mark unassigned entries with a meta that is impossible otherwise
|
|
}
|
|
|
|
// 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];
|
|
ASSERT(a_CharMapOut[Src].m_BlockMeta == 16); // This letter has not been assigned yet?
|
|
a_CharMapOut[Src].m_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 <= 15));
|
|
}
|
|
a_CharMapOut[Src].m_BlockMeta = 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++)
|
|
{
|
|
const sBlockTypeDef & MappedValue = a_CharMap[BlockImage[x]];
|
|
ASSERT(MappedValue.m_BlockMeta != 16); // Using a letter not defined in the CharMap?
|
|
m_BlockArea[0].SetRelBlockTypeMeta(x, y, z, MappedValue.m_BlockType, MappedValue.m_BlockMeta);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cPrefab::ParseConnectors(const char * a_ConnectorsDef)
|
|
{
|
|
ASSERT(a_ConnectorsDef != NULL);
|
|
|
|
AStringVector Lines = StringSplitAndTrim(a_ConnectorsDef, "\n");
|
|
for (AStringVector::const_iterator itr = Lines.begin(), end = Lines.end(); itr != end; ++itr)
|
|
{
|
|
if (itr->empty())
|
|
{
|
|
continue;
|
|
}
|
|
// Split into components: "Type: X, Y, Z: Face":
|
|
AStringVector Defs = StringSplitAndTrim(*itr, ":");
|
|
if (Defs.size() != 3)
|
|
{
|
|
LOGWARNING("Bad prefab Connector definition line: \"%s\", skipping.", itr->c_str());
|
|
continue;
|
|
}
|
|
AStringVector Coords = StringSplitAndTrim(Defs[1], ",");
|
|
if (Coords.size() != 3)
|
|
{
|
|
LOGWARNING("Bad prefab Connector coords definition: \"%s\", skipping.", Defs[1].c_str());
|
|
continue;
|
|
}
|
|
|
|
// Check that the BlockFace is within range:
|
|
int BlockFace = atoi(Defs[2].c_str());
|
|
if ((BlockFace < 0) || (BlockFace >= 6))
|
|
{
|
|
LOGWARNING("Bad prefab Connector Blockface: \"%s\", skipping.", Defs[2].c_str());
|
|
continue;
|
|
}
|
|
|
|
// Add the connector:
|
|
m_Connectors.push_back(cPiece::cConnector(
|
|
atoi(Coords[0].c_str()), atoi(Coords[1].c_str()), atoi(Coords[2].c_str()), // Connector pos
|
|
atoi(Defs[0].c_str()), // Connector type
|
|
(eBlockFace)BlockFace
|
|
));
|
|
} // for itr - Lines[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cPrefab::ParseDepthWeight(const char * a_DepthWeightDef)
|
|
{
|
|
// The member needn't be defined at all, if so, skip:
|
|
if (a_DepthWeightDef == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Split into individual records: "Record | Record | Record"
|
|
AStringVector Defs = StringSplitAndTrim(a_DepthWeightDef, "|");
|
|
|
|
// Add each record's contents:
|
|
for (AStringVector::const_iterator itr = Defs.begin(), end = Defs.end(); itr != end; ++itr)
|
|
{
|
|
// Split into components: "Depth : Weight"
|
|
AStringVector Components = StringSplitAndTrim(*itr, ":");
|
|
if (Components.size() != 2)
|
|
{
|
|
LOGWARNING("Bad prefab DepthWeight record: \"%s\", skipping.", itr->c_str());
|
|
continue;
|
|
}
|
|
|
|
// Parse depth:
|
|
int Depth = atoi(Components[0].c_str());
|
|
if ((Depth == 0) && (Components[0] != "0"))
|
|
{
|
|
LOGWARNING("Bad prefab DepthWeight record, cannot parse depth \"%s\", skipping.", Components[0].c_str());
|
|
continue;
|
|
}
|
|
|
|
// Parse weight:
|
|
int Weight = atoi(Components[1].c_str());
|
|
if ((Weight == 0) && (Components[1] != "0"))
|
|
{
|
|
LOGWARNING("Bad prefab DepthWeight record, cannot parse weight \"%s\", skipping.", Components[1].c_str());
|
|
continue;
|
|
}
|
|
|
|
// Save to map:
|
|
ASSERT(m_DepthWeight.find(Depth) == m_DepthWeight.end()); // Not a duplicate
|
|
m_DepthWeight[Depth] = Weight;
|
|
} // for itr - Defs[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
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
|
|
{
|
|
// Either zero rotations
|
|
// Or the proper bit in m_AllowedRotations is set
|
|
return (a_NumRotations == 0) || ((m_AllowedRotations & (1 << ((a_NumRotations + 3) % 4))) != 0);
|
|
}
|
|
|
|
|
|
|
|
|