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-rw-r--r--src/Chunk.cpp50
1 files changed, 38 insertions, 12 deletions
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index 9fb178bc3..caace5024 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -71,7 +71,7 @@ cChunk::cChunk(
cChunk * a_NeighborXM, cChunk * a_NeighborXP, cChunk * a_NeighborZM, cChunk * a_NeighborZP,
cAllocationPool<cChunkData::sChunkSection> & a_Pool
) :
- m_IsValid(false),
+ m_Presence(cpInvalid),
m_IsLightValid(false),
m_IsDirty(false),
m_IsSaving(false),
@@ -165,11 +165,22 @@ cChunk::~cChunk()
-void cChunk::SetValid(void)
+void cChunk::SetPresence(cChunk::ePresence a_Presence)
{
- m_IsValid = true;
-
- m_World->GetChunkMap()->ChunkValidated();
+ m_Presence = a_Presence;
+ if (a_Presence == cpPresent)
+ {
+ m_World->GetChunkMap()->ChunkValidated();
+ }
+}
+
+
+
+
+
+void cChunk::SetShouldGenerateIfLoadFailed(bool a_ShouldGenerateIfLoadFailed)
+{
+ m_ShouldGenerateIfLoadFailed = a_ShouldGenerateIfLoadFailed;
}
@@ -178,6 +189,9 @@ void cChunk::SetValid(void)
void cChunk::MarkRegenerating(void)
{
+ // Set as queued again:
+ SetPresence(cpQueued);
+
// Tell all clients attached to this chunk that they want this chunk:
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
{
@@ -191,7 +205,11 @@ void cChunk::MarkRegenerating(void)
bool cChunk::CanUnload(void)
{
- return m_LoadedByClient.empty() && !m_IsDirty && (m_StayCount == 0);
+ return
+ m_LoadedByClient.empty() && // The chunk is not used by any client
+ !m_IsDirty && // The chunk has been saved properly or hasn't been touched since the load / gen
+ (m_StayCount == 0) && // The chunk is not in a ChunkStay
+ (m_Presence != cpQueued) ; // The chunk is not queued for loading / generating (otherwise multi-load / multi-gen could occur)
}
@@ -223,7 +241,7 @@ void cChunk::MarkSaved(void)
void cChunk::MarkLoaded(void)
{
m_IsDirty = false;
- SetValid();
+ SetPresence(cpPresent);
}
@@ -232,12 +250,17 @@ void cChunk::MarkLoaded(void)
void cChunk::MarkLoadFailed(void)
{
- if (m_IsValid)
+ ASSERT(m_Presence == cpQueued);
+
+ // If the chunk is marked as needed, generate it:
+ if (m_ShouldGenerateIfLoadFailed)
{
- return;
+ m_World->GetGenerator().QueueGenerateChunk(m_PosX, m_PosZ, false);
+ }
+ else
+ {
+ m_Presence = cpInvalid;
}
-
- m_HasLoadFailed = true;
}
@@ -246,6 +269,8 @@ void cChunk::MarkLoadFailed(void)
void cChunk::GetAllData(cChunkDataCallback & a_Callback)
{
+ ASSERT(m_Presence == cpPresent);
+
a_Callback.HeightMap(&m_HeightMap);
a_Callback.BiomeData(&m_BiomeMap);
@@ -272,6 +297,7 @@ void cChunk::SetAllData(cSetChunkData & a_SetChunkData)
{
ASSERT(a_SetChunkData.IsHeightMapValid());
ASSERT(a_SetChunkData.AreBiomesValid());
+ ASSERT(IsQueued());
memcpy(m_BiomeMap, a_SetChunkData.GetBiomes(), sizeof(m_BiomeMap));
memcpy(m_HeightMap, a_SetChunkData.GetHeightMap(), sizeof(m_HeightMap));
@@ -317,7 +343,7 @@ void cChunk::SetAllData(cSetChunkData & a_SetChunkData)
CreateBlockEntities();
// Set the chunk data as valid. This may be needed for some simulators that perform actions upon block adding (Vaporize)
- SetValid();
+ SetPresence(cpPresent);
// Wake up all simulators for their respective blocks:
WakeUpSimulators();