From 164f0e7de9b484ca97cec4109739b327cdd421b8 Mon Sep 17 00:00:00 2001 From: "madmaxoft@gmail.com" Date: Sun, 14 Oct 2012 20:10:03 +0000 Subject: Floody fluid sim: reads params from world.ini; water and lava react together into cobblestone / stone / obsidian git-svn-id: http://mc-server.googlecode.com/svn/trunk@965 0a769ca7-a7f5-676a-18bf-c427514a06d6 --- source/Simulator/FloodyFluidSimulator.cpp | 76 +++++++++++++++++++++++++++---- 1 file changed, 67 insertions(+), 9 deletions(-) (limited to 'source/Simulator/FloodyFluidSimulator.cpp') diff --git a/source/Simulator/FloodyFluidSimulator.cpp b/source/Simulator/FloodyFluidSimulator.cpp index ae382d0a6..d3489577a 100644 --- a/source/Simulator/FloodyFluidSimulator.cpp +++ b/source/Simulator/FloodyFluidSimulator.cpp @@ -15,6 +15,17 @@ +// Enable or disable detailed logging +#if 1 + #define FLOG LOG +#else + #define FLOG(...) +#endif + + + + + cFloodyFluidSimulator::cFloodyFluidSimulator(cWorld * a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, NIBBLETYPE a_Falloff, int a_TickDelay) : super(a_World, a_Fluid, a_StationaryFluid, a_TickDelay), m_Falloff(a_Falloff) @@ -27,6 +38,8 @@ cFloodyFluidSimulator::cFloodyFluidSimulator(cWorld * a_World, BLOCKTYPE a_Fluid void cFloodyFluidSimulator::SimulateBlock(int a_BlockX, int a_BlockY, int a_BlockZ) { + FLOG("Simulating block {%d, %d, %d}", a_BlockX, a_BlockY, a_BlockZ); + cBlockArea Area; int MinBlockY = std::max(0, a_BlockY - 1); int MaxBlockY = std::min(cChunkDef::Height, a_BlockY + 1); @@ -34,6 +47,7 @@ void cFloodyFluidSimulator::SimulateBlock(int a_BlockX, int a_BlockY, int a_Bloc { // Cannot read the immediate neighborhood, probably too close to an unloaded chunk. Bail out. // TODO: Shouldn't we re-schedule? + FLOG(" Cannot read area, bailing out."); return; } int y = (a_BlockY > 0) ? 1 : 0; // Relative y-coord of this block in Area @@ -42,6 +56,7 @@ void cFloodyFluidSimulator::SimulateBlock(int a_BlockX, int a_BlockY, int a_Bloc if (!IsAnyFluidBlock(Area.GetRelBlockType(1, y, 1))) { // Can happen - if a block is scheduled for simulating and gets replaced in the meantime. + FLOG(" Not my type: exp %d, got %d", m_FluidBlock, Area.GetRelBlockType(1, y, 1)); return; } @@ -59,9 +74,9 @@ void cFloodyFluidSimulator::SimulateBlock(int a_BlockX, int a_BlockY, int a_Bloc NIBBLETYPE NewMeta = ((MyMeta == 0) || ((MyMeta & 0x08) != 0)) ? m_Falloff : (MyMeta + m_Falloff); BLOCKTYPE Below = Area.GetRelBlockType(1, 0, 1); - if ((a_BlockY > 0) && IsPassableForFluid(Below)) + if ((a_BlockY > 0) && (IsPassableForFluid(Below) || IsBlockLava(Below) || IsBlockWater(Below))) { - // Spread only down, possibly washing away what's there: + // Spread only down, possibly washing away what's there or turning lava to stone / cobble / obsidian: SpreadToNeighbor(a_BlockX, a_BlockY - 1, a_BlockZ, Area, 8); } else if (NewMeta < 8) // Can reach there @@ -96,16 +111,18 @@ bool cFloodyFluidSimulator::CheckTributaries(int a_BlockX, int a_BlockY, int a_B if (!IsFed) { IsFed = ( - (IsAnyFluidBlock(a_Area.GetRelBlockType(0, y, 1)) && IsHigherMeta(a_Area.GetRelBlockMeta(0, y, 1), a_MyMeta)) || - (IsAnyFluidBlock(a_Area.GetRelBlockType(2, y, 1)) && IsHigherMeta(a_Area.GetRelBlockMeta(2, y, 1), a_MyMeta)) || - (IsAnyFluidBlock(a_Area.GetRelBlockType(1, y, 0)) && IsHigherMeta(a_Area.GetRelBlockMeta(1, y, 0), a_MyMeta)) || - (IsAnyFluidBlock(a_Area.GetRelBlockType(1, y, 2)) && IsHigherMeta(a_Area.GetRelBlockMeta(1, y, 2), a_MyMeta)) + (IsAllowedBlock(a_Area.GetRelBlockType(0, y, 1)) && IsHigherMeta(a_Area.GetRelBlockMeta(0, y, 1), a_MyMeta)) || + (IsAllowedBlock(a_Area.GetRelBlockType(2, y, 1)) && IsHigherMeta(a_Area.GetRelBlockMeta(2, y, 1), a_MyMeta)) || + (IsAllowedBlock(a_Area.GetRelBlockType(1, y, 0)) && IsHigherMeta(a_Area.GetRelBlockMeta(1, y, 0), a_MyMeta)) || + (IsAllowedBlock(a_Area.GetRelBlockType(1, y, 2)) && IsHigherMeta(a_Area.GetRelBlockMeta(1, y, 2), a_MyMeta)) ); } // If not fed, decrease by m_Falloff levels: if (!IsFed) { + FLOG(" Not fed, decreasing from %d to %d", a_MyMeta, a_MyMeta + m_Falloff); + a_MyMeta += m_Falloff; if (a_MyMeta < 8) { @@ -131,15 +148,55 @@ void cFloodyFluidSimulator::SpreadToNeighbor(int a_BlockX, int a_BlockY, int a_B BLOCKTYPE Block = a_Area.GetBlockType(a_BlockX, a_BlockY, a_BlockZ); - if (IsAnyFluidBlock(Block)) + if (IsAllowedBlock(Block)) { NIBBLETYPE Meta = a_Area.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ); - if (!IsHigherMeta(a_NewMeta, Meta)) + if ((Meta == a_NewMeta) || IsHigherMeta(Meta, a_NewMeta)) + { + // Don't spread there, there's already a higher or same level there + return; + } + } + + // Check water - lava interaction: + if (m_FluidBlock == E_BLOCK_LAVA) + { + if (IsBlockWater(Block)) + { + // Lava flowing into water, change to stone / cobblestone based on direction: + BLOCKTYPE NewBlock = (a_NewMeta == 8) ? E_BLOCK_STONE : E_BLOCK_COBBLESTONE; + FLOG(" Lava flowing into water, turning water at {%d, %d, %d} into stone", + a_BlockX, a_BlockY, a_BlockZ, + ItemTypeToString(NewBlock).c_str() + ); + m_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, NewBlock, 0); + + // TODO: Sound effect + + return; + } + } + else if (m_FluidBlock == E_BLOCK_WATER) + { + if (IsBlockLava(Block)) { - // Don't spread there, there's already a higher level there + // Water flowing into lava, change to cobblestone / obsidian based on dest block: + BLOCKTYPE NewBlock = (a_Area.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) == 0) ? E_BLOCK_OBSIDIAN : E_BLOCK_COBBLESTONE; + FLOG(" Water flowing into lava, turning lava at {%d, %d, %d} into %s", + a_BlockX, a_BlockY, a_BlockZ, ItemTypeToString(NewBlock).c_str() + ); + m_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, NewBlock, 0); + + // TODO: Sound effect + return; } } + else + { + ASSERT(!"Unknown fluid!"); + } + if (!IsPassableForFluid(Block)) { // Can't spread there @@ -157,6 +214,7 @@ void cFloodyFluidSimulator::SpreadToNeighbor(int a_BlockX, int a_BlockY, int a_B } // Spread: + FLOG(" Spreading to {%d, %d, %d} with meta %d", a_BlockX, a_BlockY, a_BlockZ, a_NewMeta); m_World->SetBlock(a_BlockX, a_BlockY, a_BlockZ, m_FluidBlock, a_NewMeta); } -- cgit v1.2.3