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authorSafwat Halaby <SafwatHalaby@users.noreply.github.com>2015-12-22 06:43:50 +0100
committerSafwat Halaby <SafwatHalaby@users.noreply.github.com>2015-12-24 05:20:16 +0100
commitdfeced18b2397234340b94fe0ba61cc567c9cfc5 (patch)
treebc50fe2d4f011c05eedd389ab4924747d0085baf /src/Mobs/PathFinder.cpp
parentMerge pull request #2811 from cuberite/isblockfence (diff)
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Diffstat (limited to 'src/Mobs/PathFinder.cpp')
-rw-r--r--src/Mobs/PathFinder.cpp98
1 files changed, 59 insertions, 39 deletions
diff --git a/src/Mobs/PathFinder.cpp b/src/Mobs/PathFinder.cpp
index bc79e2440..4b6e70bbd 100644
--- a/src/Mobs/PathFinder.cpp
+++ b/src/Mobs/PathFinder.cpp
@@ -32,12 +32,20 @@ ePathFinderStatus cPathFinder::GetNextWayPoint(cChunk & a_Chunk, const Vector3d
}
// Tweak the destination. If something is wrong with the destination or the chunk, rest for a while.
- if (!EnsureProperDestination(a_Chunk))
+ if (!(EnsureProperPoint(m_FinalDestination, a_Chunk) && EnsureProperPoint(m_Source, a_Chunk)))
{
m_NotFoundCooldown = 20;
return ePathFinderStatus::PATH_NOT_FOUND;
}
+ /* printf("%d %d %d -> %d %d %d\n",
+ static_cast<int>(m_Source.x),
+ static_cast<int>(m_Source.y),
+ static_cast<int>(m_Source.z),
+ static_cast<int>(m_FinalDestination.x),
+ static_cast<int>(m_FinalDestination.y),
+ static_cast<int>(m_FinalDestination.z)); */
+
// Rest is over. Prepare m_Path by calling ResetPathFinding.
if (m_NotFoundCooldown == 0)
{
@@ -83,7 +91,25 @@ ePathFinderStatus cPathFinder::GetNextWayPoint(cChunk & a_Chunk, const Vector3d
{
m_GiveUpCounter -= 1;
- if ((m_GiveUpCounter == 0) || PathIsTooOld())
+ if (m_GiveUpCounter == 0)
+ {
+ if (a_DontCare)
+ {
+ // We're having trouble reaching the next waypoint but the mob
+ // Doesn't care where to go, just tell him we got there ;)
+ m_FinalDestination = m_Source;
+ *a_Destination = m_FinalDestination;
+ ResetPathFinding(a_Chunk);
+ return ePathFinderStatus::CALCULATING;
+ }
+ else
+ {
+ ResetPathFinding(a_Chunk);
+ return ePathFinderStatus::CALCULATING;
+ }
+ }
+
+ if (PathIsTooOld())
{
ResetPathFinding(a_Chunk);
return ePathFinderStatus::CALCULATING;
@@ -153,9 +179,9 @@ void cPathFinder::ResetPathFinding(cChunk &a_Chunk)
-bool cPathFinder::EnsureProperDestination(cChunk & a_Chunk)
+bool cPathFinder::EnsureProperPoint(Vector3d & a_Vector, cChunk & a_Chunk)
{
- cChunk * Chunk = a_Chunk.GetNeighborChunk(FloorC(m_FinalDestination.x), FloorC(m_FinalDestination.z));
+ cChunk * Chunk = a_Chunk.GetNeighborChunk(FloorC(a_Vector.x), FloorC(a_Vector.z));
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
@@ -164,14 +190,14 @@ bool cPathFinder::EnsureProperDestination(cChunk & a_Chunk)
return false;
}
- int RelX = FloorC(m_FinalDestination.x) - Chunk->GetPosX() * cChunkDef::Width;
- int RelZ = FloorC(m_FinalDestination.z) - Chunk->GetPosZ() * cChunkDef::Width;
+ int RelX = FloorC(a_Vector.x) - Chunk->GetPosX() * cChunkDef::Width;
+ int RelZ = FloorC(a_Vector.z) - Chunk->GetPosZ() * cChunkDef::Width;
// If destination in the air, first try to go 1 block north, or east, or west.
// This fixes the player leaning issue.
// If that failed, we instead go down to the lowest air block.
- Chunk->GetBlockTypeMeta(RelX, FloorC(m_FinalDestination.y) - 1, RelZ, BlockType, BlockMeta);
- if (!cBlockInfo::IsSolid(BlockType))
+ Chunk->GetBlockTypeMeta(RelX, FloorC(a_Vector.y) - 1, RelZ, BlockType, BlockMeta);
+ if (!(IsWaterOrSolid(BlockType)))
{
bool InTheAir = true;
int x, z;
@@ -183,18 +209,18 @@ bool cPathFinder::EnsureProperDestination(cChunk & a_Chunk)
{
continue;
}
- Chunk = a_Chunk.GetNeighborChunk(FloorC(m_FinalDestination.x+x), FloorC(m_FinalDestination.z+z));
+ Chunk = a_Chunk.GetNeighborChunk(FloorC(a_Vector.x+x), FloorC(a_Vector.z+z));
if ((Chunk == nullptr) || !Chunk->IsValid())
{
return false;
}
- RelX = FloorC(m_FinalDestination.x+x) - Chunk->GetPosX() * cChunkDef::Width;
- RelZ = FloorC(m_FinalDestination.z+z) - Chunk->GetPosZ() * cChunkDef::Width;
- Chunk->GetBlockTypeMeta(RelX, FloorC(m_FinalDestination.y) - 1, RelZ, BlockType, BlockMeta);
- if (cBlockInfo::IsSolid(BlockType))
+ RelX = FloorC(a_Vector.x+x) - Chunk->GetPosX() * cChunkDef::Width;
+ RelZ = FloorC(a_Vector.z+z) - Chunk->GetPosZ() * cChunkDef::Width;
+ Chunk->GetBlockTypeMeta(RelX, FloorC(a_Vector.y) - 1, RelZ, BlockType, BlockMeta);
+ if (IsWaterOrSolid((BlockType)))
{
- m_FinalDestination.x += x;
- m_FinalDestination.z += z;
+ a_Vector.x += x;
+ a_Vector.z += z;
InTheAir = false;
goto breakBothLoops;
}
@@ -205,43 +231,28 @@ bool cPathFinder::EnsureProperDestination(cChunk & a_Chunk)
// Go down to the lowest air block.
if (InTheAir)
{
- while (m_FinalDestination.y > 0)
+ while (a_Vector.y > 0)
{
- Chunk->GetBlockTypeMeta(RelX, FloorC(m_FinalDestination.y) - 1, RelZ, BlockType, BlockMeta);
- if (cBlockInfo::IsSolid(BlockType))
+ Chunk->GetBlockTypeMeta(RelX, FloorC(a_Vector.y) - 1, RelZ, BlockType, BlockMeta);
+ if (IsWaterOrSolid(BlockType))
{
break;
}
- m_FinalDestination.y -= 1;
+ a_Vector.y -= 1;
}
}
}
- // If destination in water, go up to the highest water block.
- // If destination in solid, go up to first air block.
- bool InWater = false;
- while (m_FinalDestination.y < cChunkDef::Height)
+ // If destination in water or solid, go up to the first air block.
+ while (a_Vector.y < cChunkDef::Height)
{
- Chunk->GetBlockTypeMeta(RelX, FloorC(m_FinalDestination.y), RelZ, BlockType, BlockMeta);
- if (BlockType == E_BLOCK_STATIONARY_WATER)
- {
- InWater = true;
- }
- else if (cBlockInfo::IsSolid(BlockType))
- {
- InWater = false;
- }
- else
+ Chunk->GetBlockTypeMeta(RelX, FloorC(a_Vector.y), RelZ, BlockType, BlockMeta);
+ if (!IsWaterOrSolid(BlockType))
{
break;
}
- m_FinalDestination.y += 1;
+ a_Vector.y += 1;
}
- if (InWater)
- {
- m_FinalDestination.y -= 1;
- }
-
return true;
}
@@ -250,6 +261,15 @@ bool cPathFinder::EnsureProperDestination(cChunk & a_Chunk)
+bool cPathFinder::IsWaterOrSolid(BLOCKTYPE a_BlockType)
+{
+ return ((a_BlockType == E_BLOCK_STATIONARY_WATER) || cBlockInfo::IsSolid(a_BlockType));
+}
+
+
+
+
+
bool cPathFinder::PathIsTooOld() const
{
size_t acceptableDeviation = m_Path->WayPointsLeft() / 2;