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authorAlexander Harkness <bearbin@gmail.com>2013-11-24 15:19:41 +0100
committerAlexander Harkness <bearbin@gmail.com>2013-11-24 15:19:41 +0100
commit675b4aa878f16291ce33fced48a2bc7425f635ae (patch)
tree409914df27a98f65adf866da669429c4de141b6f /src/MobProximityCounter.cpp
parentLineBlockTracer: Using the coord-based block faces. (diff)
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Diffstat (limited to 'src/MobProximityCounter.cpp')
-rw-r--r--src/MobProximityCounter.cpp83
1 files changed, 83 insertions, 0 deletions
diff --git a/src/MobProximityCounter.cpp b/src/MobProximityCounter.cpp
new file mode 100644
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+++ b/src/MobProximityCounter.cpp
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+
+#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;
+}