From 412c21a22cd67971bc27ee3fd022e1565eb48e69 Mon Sep 17 00:00:00 2001 From: "madmaxoft@gmail.com" Date: Fri, 4 Jan 2013 05:21:07 +0000 Subject: [PATCH] Floody fluid simulator can create sourceblocks (configurable in World.ini) git-svn-id: http://mc-server.googlecode.com/svn/trunk@1119 0a769ca7-a7f5-676a-18bf-c427514a06d6 --- source/Simulator/FloodyFluidSimulator.cpp | 70 ++++++++++++++++++++++- source/Simulator/FloodyFluidSimulator.h | 8 ++- source/World.cpp | 9 ++- 3 files changed, 78 insertions(+), 9 deletions(-) diff --git a/source/Simulator/FloodyFluidSimulator.cpp b/source/Simulator/FloodyFluidSimulator.cpp index fe53c9014..e89bb6bf6 100644 --- a/source/Simulator/FloodyFluidSimulator.cpp +++ b/source/Simulator/FloodyFluidSimulator.cpp @@ -26,9 +26,17 @@ -cFloodyFluidSimulator::cFloodyFluidSimulator(cWorld * a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, NIBBLETYPE a_Falloff, int a_TickDelay) : +cFloodyFluidSimulator::cFloodyFluidSimulator( + 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_TickDelay), - m_Falloff(a_Falloff) + m_Falloff(a_Falloff), + m_NumNeighborsForSource(a_NumNeighborsForSource) { } @@ -62,8 +70,10 @@ void cFloodyFluidSimulator::SimulateBlock(int a_BlockX, int a_BlockY, int a_Bloc if (MyMeta != 0) { + // Source blocks aren't checked for tributaries, others are. if (CheckTributaries(a_BlockX, a_BlockY, a_BlockZ, Area, MyMeta)) { + // Has no tributary, has been decreased, no more processing needed (neighbors have been scheduled by the decrease) return; } } @@ -81,6 +91,19 @@ void cFloodyFluidSimulator::SimulateBlock(int a_BlockX, int a_BlockY, int a_Bloc } else if (NewMeta < 8) // Can reach there { + // If source creation is on, check for it here: + if ( + (m_NumNeighborsForSource > 0) && // Source creation is on + (MyMeta == m_Falloff) && // Only exactly one block away from a source (fast bail-out) + !IsPassableForFluid(Below) && // Only exactly 1 block deep + CheckNeighborsForSource(a_BlockX, a_BlockY, a_BlockZ, Area) // Did we create a source? + ) + { + // We created a source, no more spreading is to be done now + // Also has been re-scheduled for ticking in the next wave + return; + } + // Spread to the neighbors: SpreadToNeighbor(a_BlockX - 1, a_BlockY, a_BlockZ, Area, NewMeta); SpreadToNeighbor(a_BlockX + 1, a_BlockY, a_BlockZ, Area, NewMeta); @@ -229,3 +252,46 @@ void cFloodyFluidSimulator::SpreadToNeighbor(int a_BlockX, int a_BlockY, int a_B + +bool cFloodyFluidSimulator::CheckNeighborsForSource(int a_BlockX, int a_BlockY, int a_BlockZ, const cBlockArea & a_Area) +{ + FLOG(" Checking neighbors for source creation"); + + static const Vector3i NeighborCoords[] = + { + Vector3i(-1, 0, 0), + Vector3i( 1, 0, 0), + Vector3i( 0, 0,-1), + Vector3i( 0, 0, 1), + } ; + + int NumNeeded = m_NumNeighborsForSource; + for (int i = 0; i < ARRAYCOUNT(NeighborCoords); i++) + { + int x = a_BlockX + NeighborCoords[i].x; + int y = a_BlockY + NeighborCoords[i].y; + int z = a_BlockZ + NeighborCoords[i].z; + BLOCKTYPE BlockType; + NIBBLETYPE BlockMeta; + a_Area.GetBlockTypeMeta(x, y, z, BlockType, BlockMeta); + FLOG(" Neighbor at {%d, %d, %d}: %s", x, y, z, ItemToFullString(cItem(BlockType, 1, BlockMeta)).c_str()); + if ((BlockMeta == 0) && IsAnyFluidBlock(BlockType)) + { + NumNeeded--; + FLOG(" Found a neighbor source at {%d, %d, %d}, NumNeeded := %d", x, y, z, NumNeeded); + if (NumNeeded == 0) + { + // Found enough, turn into a source and bail out + FLOG(" Found enough neighbor sources, turning into a source"); + m_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, m_FluidBlock, 0); + return true; + } + } + } + FLOG(" Not enough neighbors for turning into a source, NumNeeded = %d", NumNeeded); + return false; +} + + + + diff --git a/source/Simulator/FloodyFluidSimulator.h b/source/Simulator/FloodyFluidSimulator.h index d3fa85fce..dc9ff2557 100644 --- a/source/Simulator/FloodyFluidSimulator.h +++ b/source/Simulator/FloodyFluidSimulator.h @@ -29,10 +29,11 @@ class cFloodyFluidSimulator : typedef cDelayedFluidSimulator super; public: - cFloodyFluidSimulator(cWorld * a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, NIBBLETYPE a_Falloff, int a_TickDelay); + cFloodyFluidSimulator(cWorld * a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, NIBBLETYPE a_Falloff, int a_TickDelay, int a_NumNeighborsForSource); protected: NIBBLETYPE m_Falloff; + int m_NumNeighborsForSource; // cDelayedFluidSimulator overrides: virtual void SimulateBlock(int a_BlockX, int a_BlockY, int a_BlockZ) override; @@ -40,8 +41,11 @@ protected: /// Checks tributaries, if not fed, decreases the block's level and returns true bool CheckTributaries(int a_BlockX, int a_BlockY, int a_BlockZ, const cBlockArea & a_Area, NIBBLETYPE a_MyMeta); - /// Spreads into the specified block, if the block there allows. a_Area is for checking. + /// Spreads into the specified block, if the blocktype there allows. a_Area is for checking. void SpreadToNeighbor(int a_BlockX, int a_BlockY, int a_BlockZ, const cBlockArea & a_Area, 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 + bool CheckNeighborsForSource(int a_BlockX, int a_BlockY, int a_BlockZ, const cBlockArea & a_Area); } ; diff --git a/source/World.cpp b/source/World.cpp index d2c60690b..6eaf7a279 100644 --- a/source/World.cpp +++ b/source/World.cpp @@ -2249,11 +2249,10 @@ cFluidSimulator * cWorld::InitializeFluidSimulator(cIniFile & a_IniFile, const c int Rate = 1; if (NoCaseCompare(SimulatorName, "floody") == 0) { - int DefaultFalloff = IsWater ? 1 : 2; - int DefaultTickDelay = IsWater ? 5 : 30; - int Falloff = a_IniFile.GetValueSetI(SimulatorSectionName, "Falloff", DefaultFalloff); - int TickDelay = a_IniFile.GetValueSetI(SimulatorSectionName, "TickDelay", DefaultTickDelay); - res = new cFloodyFluidSimulator(this, a_SimulateBlock, a_StationaryBlock, Falloff, TickDelay); + int Falloff = a_IniFile.GetValueSetI(SimulatorSectionName, "Falloff", IsWater ? 1 : 2); + int TickDelay = a_IniFile.GetValueSetI(SimulatorSectionName, "TickDelay", IsWater ? 5 : 30); + int NumNeighborsForSource = a_IniFile.GetValueSetI(SimulatorSectionName, "NumNeighborsForSource", IsWater ? 2 : -1); + res = new cFloodyFluidSimulator(this, a_SimulateBlock, a_StationaryBlock, Falloff, TickDelay, NumNeighborsForSource); } else {