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Fix particle maps sometimes being stale when pasting

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This restrict effects of paste-time de-stacking to positions under particles being pasted. If this is not done, particles beyond the paste area can be wrongfully killed, see #889.
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Tamás Bálint Misius 2023-01-10 08:06:47 +01:00
parent 853c47b0bd
commit d02242714e
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GPG Key ID: 5B472A12F6ECA9F2
1 changed files with 5 additions and 5 deletions
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10
src/simulation/Simulation.cpp
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@ -87,7 +87,8 @@ int Simulation::Load(const GameSave * originalSave, bool includePressure, int fu
}
}
int r;
RecalcFreeParticles(false);
bool doFullScan = false;
for (int n = 0; n < NPART && n < save->particlesCount; n++)
{
@ -133,13 +134,13 @@ int Simulation::Load(const GameSave * originalSave, bool includePressure, int fu
continue;
}
if ((r = pmap[y][x]))
if (pmap[y][x])
{
// Particle already exists in this location. Set pmap to 0, then kill it and all stacked particles in the loop below
pmap[y][x] = 0;
doFullScan = true;
}
else if ((r = photons[y][x]))
else if (photons[y][x])
{
// Particle already exists in this location. Set photons to 0, then kill it and all stacked particles in the loop below
photons[y][x] = 0;
@ -169,7 +170,6 @@ int Simulation::Load(const GameSave * originalSave, bool includePressure, int fu
}
}
int i;
// Map of soap particles loaded into this save, old ID -> new ID
std::map<unsigned int, unsigned int> soapList;
for (int n = 0; n < NPART && n < save->particlesCount; n++)
@ -209,7 +209,7 @@ int Simulation::Load(const GameSave * originalSave, bool includePressure, int fu
// Allocate particle (this location is guaranteed to be empty due to "full scan" logic above)
if (pfree == -1)
break;
i = pfree;
auto i = pfree;
pfree = parts[i].life;
if (i > parts_lastActiveIndex)
parts_lastActiveIndex = i;