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Diffstat (limited to '')
-rw-r--r-- | source/MobProximityCounter.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/source/MobProximityCounter.cpp b/source/MobProximityCounter.cpp new file mode 100644 index 000000000..583a71579 --- /dev/null +++ b/source/MobProximityCounter.cpp @@ -0,0 +1,83 @@ + +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#include "MobProximityCounter.h" + +#include "Entities/Entity.h" +#include "Chunk.h" + +void cMobProximityCounter::CollectMob(cEntity& a_Monster, cChunk& a_Chunk, double a_Distance) +{ +// LOGD("Collecting monster %s, with distance %f",a_Monster->GetClass(),a_Distance); + tMonsterToDistance::iterator it = m_MonsterToDistance.find(&a_Monster); + if (it == m_MonsterToDistance.end()) + { + sDistanceAndChunk newDistanceAndChunk(a_Distance,a_Chunk); + std::pair<tMonsterToDistance::iterator,bool> result = m_MonsterToDistance.insert(tMonsterToDistance::value_type(&a_Monster,newDistanceAndChunk)); + if (!result.second) + { + ASSERT(!"A collected Monster was not found inside distance map using find(), but insert() said there already is a key for it"); + } + } + else + { + if (a_Distance < it->second.m_Distance) + { + it->second.m_Distance = a_Distance; + it->second.m_Chunk = a_Chunk; + } + } + + m_EligibleForSpawnChunks.insert(&a_Chunk); + +} + +void cMobProximityCounter::convertMaps() +{ + for(tMonsterToDistance::const_iterator itr = m_MonsterToDistance.begin(); itr != m_MonsterToDistance.end(); itr++) + { + m_DistanceToMonster.insert(tDistanceToMonster::value_type(itr->second.m_Distance,sMonsterAndChunk(*itr->first,itr->second.m_Chunk))); + } +} + +cMobProximityCounter::sIterablePair cMobProximityCounter::getMobWithinThosesDistances(double a_DistanceMin, double a_DistanceMax) +{ + sIterablePair toReturn; + toReturn.m_Count = 0; + toReturn.m_Begin = m_DistanceToMonster.end(); + toReturn.m_End = m_DistanceToMonster.end(); + + a_DistanceMin *= a_DistanceMin;// this is because is use square distance + a_DistanceMax *= a_DistanceMax; + + if (m_DistanceToMonster.size() <= 0) + { + convertMaps(); + } + + for(tDistanceToMonster::const_iterator itr = m_DistanceToMonster.begin(); itr != m_DistanceToMonster.end(); itr++) + { + if (toReturn.m_Begin == m_DistanceToMonster.end()) + { + if (a_DistanceMin == -1 || itr->first > a_DistanceMin) + { + toReturn.m_Begin = itr; // this is the first one with distance > a_DistanceMin; + } + } + + if (toReturn.m_Begin != m_DistanceToMonster.end()) + { + if (a_DistanceMax != -1 && itr->first > a_DistanceMax) + { + toReturn.m_End = itr; // this is just after the last one with distance < a_DistanceMax + // Note : if we are not going through this, it's ok, toReturn.m_End will be end(); + break; + } + else + { + toReturn.m_Count ++; + } + } + } + return toReturn; +} |