diff options
Diffstat (limited to '')
| -rw-r--r-- | src/Entities/Entity.cpp | 95 |
1 files changed, 94 insertions, 1 deletions
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp index ae98a1e91..e22f689d9 100644 --- a/src/Entities/Entity.cpp +++ b/src/Entities/Entity.cpp @@ -57,6 +57,8 @@ cEntity::cEntity(eEntityType a_EntityType, double a_X, double a_Y, double a_Z, d , m_Mass (0.001) // Default 1g , m_Width(a_Width) , m_Height(a_Height) + , m_IsSubmerged(false) + , m_IsSwimming(false) { cCSLock Lock(m_CSCount); m_EntityCount++; @@ -529,7 +531,17 @@ void cEntity::Tick(float a_Dt, cChunk & a_Chunk) { TickInVoid(a_Chunk); } - else { m_TicksSinceLastVoidDamage = 0; } + else + m_TicksSinceLastVoidDamage = 0; + + if (IsMob() || IsPlayer()) + { + // Set swimming state + SetSwimState(a_Chunk); + + // Handle drowning + HandleAir(); + } } @@ -907,6 +919,87 @@ void cEntity::TickInVoid(cChunk & a_Chunk) +void cEntity::SetSwimState(cChunk & a_Chunk) +{ + int RelY = (int)floor(m_LastPosY + 0.1); + if ((RelY < 0) || (RelY >= cChunkDef::Height - 1)) + { + m_IsSwimming = false; + m_IsSubmerged = false; + return; + } + + BLOCKTYPE BlockIn; + int RelX = (int)floor(m_LastPosX) - a_Chunk.GetPosX() * cChunkDef::Width; + int RelZ = (int)floor(m_LastPosZ) - a_Chunk.GetPosZ() * cChunkDef::Width; + + // Check if the player is swimming: + // Use Unbounded, because we're being called *after* processing super::Tick(), which could have changed our chunk + if (!a_Chunk.UnboundedRelGetBlockType(RelX, RelY, RelZ, BlockIn)) + { + // This sometimes happens on Linux machines + // Ref.: http://forum.mc-server.org/showthread.php?tid=1244 + LOGD("SetSwimState failure: RelX = %d, RelZ = %d, LastPos = {%.02f, %.02f}, Pos = %.02f, %.02f}", + RelX, RelY, m_LastPosX, m_LastPosZ, GetPosX(), GetPosZ() + ); + m_IsSwimming = false; + m_IsSubmerged = false; + return; + } + m_IsSwimming = IsBlockWater(BlockIn); + + // Check if the player is submerged: + VERIFY(a_Chunk.UnboundedRelGetBlockType(RelX, RelY + 1, RelZ, BlockIn)); + m_IsSubmerged = IsBlockWater(BlockIn); +} + + + + + +void cEntity::HandleAir(void) +{ + // Ref.: http://www.minecraftwiki.net/wiki/Chunk_format + // See if the entity is /submerged/ water (block above is water) + // Get the type of block the entity is standing in: + + if (IsSubmerged()) + { + SetSpeedY(1); // Float in the water + + // Either reduce air level or damage player + if (m_AirLevel < 1) + { + if (m_AirTickTimer < 1) + { + // Damage player + TakeDamage(dtDrowning, NULL, 1, 1, 0); + // Reset timer + m_AirTickTimer = DROWNING_TICKS; + } + else + { + m_AirTickTimer -= 1; + } + } + else + { + // Reduce air supply + m_AirLevel -= 1; + } + } + else + { + // Set the air back to maximum + m_AirLevel = MAX_AIR_LEVEL; + m_AirTickTimer = DROWNING_TICKS; + } +} + + + + + /// Called when the entity starts burning void cEntity::OnStartedBurning(void) { |