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Mobs: Fixed crash with terrain too high.

This commit is contained in:
Mattes D 2014-11-15 21:45:57 +01:00
parent 564b9ad337
commit 1240e583d2
2 changed files with 7 additions and 5 deletions
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4
src/Mobs/Monster.cpp
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@ -160,7 +160,7 @@ void cMonster::TickPathFinding()
BLOCKTYPE BlockAtYP = m_World->GetBlock(gCrossCoords[i].x + PosX, PosY + 1, gCrossCoords[i].z + PosZ);
BLOCKTYPE BlockAtYPP = m_World->GetBlock(gCrossCoords[i].x + PosX, PosY + 2, gCrossCoords[i].z + PosZ);
int LowestY = FindFirstNonAirBlockPosition(gCrossCoords[i].x + PosX, gCrossCoords[i].z + PosZ);
BLOCKTYPE BlockAtLowestY = m_World->GetBlock(gCrossCoords[i].x + PosX, LowestY, gCrossCoords[i].z + PosZ);
BLOCKTYPE BlockAtLowestY = (LowestY >= cChunkDef::Height) ? E_BLOCK_AIR : m_World->GetBlock(gCrossCoords[i].x + PosX, LowestY, gCrossCoords[i].z + PosZ);
if (
(!cBlockInfo::IsSolid(BlockAtY)) &&
@ -453,7 +453,7 @@ int cMonster::FindFirstNonAirBlockPosition(double a_PosX, double a_PosZ)
}
else
{
while (cBlockInfo::IsSolid(m_World->GetBlock((int)floor(a_PosX), PosY, (int)floor(a_PosZ))) && (PosY < cChunkDef::Height))
while ((PosY < cChunkDef::Height) && cBlockInfo::IsSolid(m_World->GetBlock((int)floor(a_PosX), PosY, (int)floor(a_PosZ))))
{
PosY++;
}

8
src/Mobs/Monster.h
View File

@ -169,10 +169,12 @@ protected:
/** Stores if mobile is currently moving towards the ultimate, final destination */
bool m_bMovingToDestination;
/** Finds the first non-air block position (not the highest, as cWorld::GetHeight does)
If current Y is nonsolid, goes down to try to find a solid block, then returns that + 1
If current Y is solid, goes up to find first nonsolid block, and returns that */
/** Finds the lowest non-air block position (not the highest, as cWorld::GetHeight does)
If current Y is nonsolid, goes down to try to find a solid block, then returns that + 1
If current Y is solid, goes up to find first nonsolid block, and returns that.
If no suitable position is found, returns cChunkDef::Height. */
int FindFirstNonAirBlockPosition(double a_PosX, double a_PosZ);
/** Returns if a monster can actually reach a given height by jumping or walking */
inline bool IsNextYPosReachable(int a_PosY)
{