flewkey/cuberite-2a
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Merge branch 'master' into awesometnt

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This commit is contained in:
Tiger Wang
2014-03-10 18:36:55 +00:00
parent 462829e23d 3aff0b44bc
commit cc2d805238
88 changed files with 2148 additions and 628 deletions
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2
src/Simulator/DelayedFluidSimulator.cpp
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@@ -20,7 +20,7 @@
bool cDelayedFluidSimulatorChunkData::cSlot::Add(int a_RelX, int a_RelY, int a_RelZ)
{
ASSERT(a_RelZ >= 0);
ASSERT(a_RelZ < ARRAYCOUNT(m_Blocks));
ASSERT(a_RelZ < static_cast<int>(ARRAYCOUNT(m_Blocks)));
cCoordWithIntVector & Blocks = m_Blocks[a_RelZ];
int Index = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);

91
src/Simulator/FloodyFluidSimulator.cpp
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@@ -54,14 +54,23 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
a_Chunk->GetMeta(a_RelX, a_RelY, a_RelZ)
);
NIBBLETYPE MyMeta = a_Chunk->GetMeta(a_RelX, a_RelY, a_RelZ);
if (!IsAnyFluidBlock(a_Chunk->GetBlock(a_RelX, a_RelY, a_RelZ)))
BLOCKTYPE MyBlock; NIBBLETYPE MyMeta;
a_Chunk->GetBlockTypeMeta(a_RelX, a_RelY, a_RelZ, MyBlock, MyMeta);
if (!IsAnyFluidBlock(MyBlock))
{
// Can happen - if a block is scheduled for simulating and gets replaced in the meantime.
FLOG(" BadBlockType exit");
return;
}
// When in contact with water, lava should harden
if (HardenBlock(a_Chunk, a_RelX, a_RelY, a_RelZ, MyBlock, MyMeta))
{
// Block was changed, bail out
return;
}
if (MyMeta != 0)
{
// Source blocks aren't checked for tributaries, others are.
@@ -86,7 +95,12 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
{
// Spread only down, possibly washing away what's there or turning lava to stone / cobble / obsidian:
SpreadToNeighbor(a_Chunk, a_RelX, a_RelY - 1, a_RelZ, 8);
SpreadFurther = false;
// Source blocks spread both downwards and sideways
if (MyMeta != 0)
{
SpreadFurther = false;
}
}
// If source creation is on, check for it here:
else if (
@@ -105,10 +119,7 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
if (SpreadFurther && (NewMeta < 8))
{
// Spread to the neighbors:
SpreadToNeighbor(a_Chunk, a_RelX - 1, a_RelY, a_RelZ, NewMeta);
SpreadToNeighbor(a_Chunk, a_RelX + 1, a_RelY, a_RelZ, NewMeta);
SpreadToNeighbor(a_Chunk, a_RelX, a_RelY, a_RelZ - 1, NewMeta);
SpreadToNeighbor(a_Chunk, a_RelX, a_RelY, a_RelZ + 1, NewMeta);
Spread(a_Chunk, a_RelX, a_RelY, a_RelZ, NewMeta);
}
// Mark as processed:
@@ -119,6 +130,17 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
void cFloodyFluidSimulator::Spread(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta)
{
SpreadToNeighbor(a_Chunk, a_RelX - 1, a_RelY, a_RelZ, a_NewMeta);
SpreadToNeighbor(a_Chunk, a_RelX + 1, a_RelY, a_RelZ, a_NewMeta);
SpreadToNeighbor(a_Chunk, a_RelX, a_RelY, a_RelZ - 1, a_NewMeta);
SpreadToNeighbor(a_Chunk, a_RelX, a_RelY, a_RelZ + 1, a_NewMeta);
}
bool cFloodyFluidSimulator::CheckTributaries(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_MyMeta)
{
// If we have a section above, check if there's fluid above this block that would feed it:
@@ -296,6 +318,8 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
a_NewMeta
);
a_NearChunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
HardenBlock(a_NearChunk, a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
}
@@ -348,3 +372,56 @@ bool cFloodyFluidSimulator::CheckNeighborsForSource(cChunk * a_Chunk, int a_RelX
bool cFloodyFluidSimulator::HardenBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta)
{
// Only lava blocks can harden
if (!IsBlockLava(a_BlockType))
{
return false;
}
bool ShouldHarden = false;
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
static const Vector3i Coords[] =
{
Vector3i( 1, 0, 0),
Vector3i(-1, 0, 0),
Vector3i( 0, 0, 1),
Vector3i( 0, 0, -1),
};
for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
{
if (!a_Chunk->UnboundedRelGetBlock(a_RelX + Coords[i].x, a_RelY, a_RelZ + Coords[i].z, BlockType, BlockMeta))
{
continue;
}
if (IsBlockWater(BlockType))
{
ShouldHarden = true;
}
} // for i - Coords[]
if (ShouldHarden)
{
if (a_Meta == 0)
{
// Source lava block
a_Chunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_OBSIDIAN, 0);
return true;
}
// Ignore last lava level
else if (a_Meta <= 4)
{
a_Chunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_COBBLESTONE, 0);
return true;
}
}
return false;
}

18
src/Simulator/FloodyFluidSimulator.h
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@@ -38,14 +38,26 @@ protected:
// cDelayedFluidSimulator overrides:
virtual void SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ) override;
/// Checks tributaries, if not fed, decreases the block's level and returns true
/** Checks tributaries, if not fed, decreases the block's level and returns true. */
bool CheckTributaries(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_MyMeta);
/// Spreads into the specified block, if the blocktype there allows. a_Area is for checking.
/** Spreads into the specified block, if the blocktype there allows. a_Area is for checking. */
void SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta);
/// Checks if there are enough neighbors to create a source at the coords specified; turns into source and returns true if so
/** Checks if there are enough neighbors to create a source at the coords specified; turns into source and returns true if so. */
bool CheckNeighborsForSource(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ);
/** Checks if the specified block should harden (Water/Lava interaction) and if so, converts it to a suitable block.
*
* Returns whether the block was changed or not.
*/
bool HardenBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta);
/** Spread water to neighbors.
*
* May be overridden to provide more sophisticated algorithms.
*/
virtual void Spread(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta);
} ;

8
src/Simulator/IncrementalRedstoneSimulator.cpp
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@@ -937,17 +937,15 @@ void cIncrementalRedstoneSimulator::HandleTrapdoor(int a_BlockX, int a_BlockY, i
{
if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, true))
{
m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) | 0x4);
m_World.BroadcastSoundParticleEffect(1003, a_BlockX, a_BlockY, a_BlockZ, 0);
m_World.SetTrapdoorOpen(a_BlockX, a_BlockY, a_BlockZ, true);
SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, true);
}
}
}
else
{
if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, false))
{
m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0xB); // Take into account that the fourth bit is needed for trapdoors too
m_World.BroadcastSoundParticleEffect(1003, a_BlockX, a_BlockY, a_BlockZ, 0);
m_World.SetTrapdoorOpen(a_BlockX, a_BlockY, a_BlockZ, false);
SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, false);
}
}

150
src/Simulator/VanillaFluidSimulator.cpp Normal file
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@@ -0,0 +1,150 @@
// VanillaFluidSimulator.cpp
#include "Globals.h"
#include "VanillaFluidSimulator.h"
#include "../World.h"
#include "../Chunk.h"
#include "../BlockArea.h"
#include "../Blocks/BlockHandler.h"
#include "../BlockInServerPluginInterface.h"
static const int InfiniteCost = 100;
cVanillaFluidSimulator::cVanillaFluidSimulator(
cWorld & a_World,
BLOCKTYPE a_Fluid,
BLOCKTYPE a_StationaryFluid,
NIBBLETYPE a_Falloff,
int a_TickDelay,
int a_NumNeighborsForSource
) : super(a_World, a_Fluid, a_StationaryFluid, a_Falloff, a_TickDelay, a_NumNeighborsForSource)
{
}
void cVanillaFluidSimulator::Spread(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta)
{
int Cost[4];
Cost[0] = CalculateFlowCost(a_Chunk, a_RelX + 1, a_RelY, a_RelZ, X_PLUS);
Cost[1] = CalculateFlowCost(a_Chunk, a_RelX - 1, a_RelY, a_RelZ, X_MINUS);
Cost[2] = CalculateFlowCost(a_Chunk, a_RelX, a_RelY, a_RelZ + 1, Z_PLUS);
Cost[3] = CalculateFlowCost(a_Chunk, a_RelX, a_RelY, a_RelZ - 1, Z_MINUS);
int MinCost = InfiniteCost;
for (unsigned int i = 0; i < ARRAYCOUNT(Cost); ++i)
{
if (Cost[i] < MinCost)
{
MinCost = Cost[i];
}
}
if (Cost[0] == MinCost)
{
SpreadToNeighbor(a_Chunk, a_RelX + 1, a_RelY, a_RelZ, a_NewMeta);
}
if (Cost[1] == MinCost)
{
SpreadToNeighbor(a_Chunk, a_RelX - 1, a_RelY, a_RelZ, a_NewMeta);
}
if (Cost[2] == MinCost)
{
SpreadToNeighbor(a_Chunk, a_RelX, a_RelY, a_RelZ + 1, a_NewMeta);
}
if (Cost[3] == MinCost)
{
SpreadToNeighbor(a_Chunk, a_RelX, a_RelY, a_RelZ - 1, a_NewMeta);
}
}
int cVanillaFluidSimulator::CalculateFlowCost(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, Direction a_Dir, unsigned a_Iteration)
{
int Cost = InfiniteCost;
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
// Check if block is passable
if (!a_Chunk->UnboundedRelGetBlock(a_RelX, a_RelY, a_RelZ, BlockType, BlockMeta))
{
return Cost;
}
if (!IsPassableForFluid(BlockType) && !IsBlockLiquid(BlockType))
{
return Cost;
}
// Check if block below is passable
if (!a_Chunk->UnboundedRelGetBlock(a_RelX, a_RelY - 1, a_RelZ, BlockType, BlockMeta))
{
return Cost;
}
if (IsPassableForFluid(BlockType) || IsBlockLiquid(BlockType))
{
// Path found, exit
return a_Iteration;
}
// 5 blocks away, bail out
if (a_Iteration > 3)
{
return Cost;
}
// Recurse
if (a_Dir != X_MINUS)
{
int NextCost = CalculateFlowCost(a_Chunk, a_RelX + 1, a_RelY, a_RelZ, X_PLUS, a_Iteration + 1);
if (NextCost < Cost)
{
Cost = NextCost;
}
}
if (a_Dir != X_PLUS)
{
int NextCost = CalculateFlowCost(a_Chunk, a_RelX - 1, a_RelY, a_RelZ, X_MINUS, a_Iteration + 1);
if (NextCost < Cost)
{
Cost = NextCost;
}
}
if (a_Dir != Z_MINUS)
{
int NextCost = CalculateFlowCost(a_Chunk, a_RelX, a_RelY, a_RelZ + 1, Z_PLUS, a_Iteration + 1);
if (NextCost < Cost)
{
Cost = NextCost;
}
}
if (a_Dir != Z_PLUS)
{
int NextCost = CalculateFlowCost(a_Chunk, a_RelX, a_RelY, a_RelZ - 1, Z_MINUS, a_Iteration + 1);
if (NextCost < Cost)
{
Cost = NextCost;
}
}
return Cost;
}

42
src/Simulator/VanillaFluidSimulator.h Normal file
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@@ -0,0 +1,42 @@
// VanillaFluidSimulator.h
#pragma once
#include "FloodyFluidSimulator.h"
// fwd:
class cBlockArea;
class cVanillaFluidSimulator :
public cFloodyFluidSimulator
{
typedef cFloodyFluidSimulator super;
public:
cVanillaFluidSimulator(cWorld & a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, NIBBLETYPE a_Falloff, int a_TickDelay, int a_NumNeighborsForSource);
protected:
// cFloodyFluidSimulator overrides:
virtual void Spread(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta) override;
/** Recursively calculates the minimum number of blocks needed to descend a level. */
int CalculateFlowCost(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, Direction a_Dir, unsigned a_Iteration = 0);
} ;