summaryrefslogtreecommitdiffstats
path: root/source/Simulator/FireSimulator.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'source/Simulator/FireSimulator.cpp')
-rw-r--r--source/Simulator/FireSimulator.cpp374
1 files changed, 0 insertions, 374 deletions
diff --git a/source/Simulator/FireSimulator.cpp b/source/Simulator/FireSimulator.cpp
deleted file mode 100644
index ac3fb9695..000000000
--- a/source/Simulator/FireSimulator.cpp
+++ /dev/null
@@ -1,374 +0,0 @@
-
-#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "FireSimulator.h"
-#include "../World.h"
-#include "../BlockID.h"
-#include "../Defines.h"
-#include "../Chunk.h"
-
-
-
-
-
-// Easy switch for turning on debugging logging:
-#if 0
- #define FLOG LOGD
-#else
- #define FLOG(...)
-#endif
-
-
-
-
-
-#define MAX_CHANCE_REPLACE_FUEL 100000
-#define MAX_CHANCE_FLAMMABILITY 100000
-
-
-
-
-
-static const struct
-{
- int x, y, z;
-} gCrossCoords[] =
-{
- { 1, 0, 0},
- {-1, 0, 0},
- { 0, 0, 1},
- { 0, 0, -1},
-} ;
-
-
-
-
-
-static const struct
-{
- int x, y, z;
-} gNeighborCoords[] =
-{
- { 1, 0, 0},
- {-1, 0, 0},
- { 0, 1, 0},
- { 0, -1, 0},
- { 0, 0, 1},
- { 0, 0, -1},
-} ;
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cFireSimulator:
-
-cFireSimulator::cFireSimulator(cWorld & a_World, cIniFile & a_IniFile) :
- cSimulator(a_World)
-{
- // Read params from the ini file:
- m_BurnStepTimeFuel = a_IniFile.GetValueSetI("FireSimulator", "BurnStepTimeFuel", 500);
- m_BurnStepTimeNonfuel = a_IniFile.GetValueSetI("FireSimulator", "BurnStepTimeNonfuel", 100);
- m_Flammability = a_IniFile.GetValueSetI("FireSimulator", "Flammability", 50);
- m_ReplaceFuelChance = a_IniFile.GetValueSetI("FireSimulator", "ReplaceFuelChance", 50000);
-}
-
-
-
-
-
-cFireSimulator::~cFireSimulator()
-{
-}
-
-
-
-
-
-void cFireSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
-{
- cCoordWithIntList & Data = a_Chunk->GetFireSimulatorData();
-
- int NumMSecs = (int)a_Dt;
- for (cCoordWithIntList::iterator itr = Data.begin(); itr != Data.end();)
- {
- int idx = cChunkDef::MakeIndexNoCheck(itr->x, itr->y, itr->z);
- BLOCKTYPE BlockType = a_Chunk->GetBlock(idx);
-
- if (!IsAllowedBlock(BlockType))
- {
- // The block is no longer eligible (not a fire block anymore; a player probably placed a block over the fire)
- FLOG("FS: Removing block {%d, %d, %d}",
- itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
- );
- itr = Data.erase(itr);
- continue;
- }
-
- // Try to spread the fire:
- TrySpreadFire(a_Chunk, itr->x, itr->y, itr->z);
-
- itr->Data -= NumMSecs;
- if (itr->Data >= 0)
- {
- // Not yet, wait for it longer
- ++itr;
- continue;
- }
-
- // Burn out the fire one step by increasing the meta:
- /*
- FLOG("FS: Fire at {%d, %d, %d} is stepping",
- itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
- );
- */
- NIBBLETYPE BlockMeta = a_Chunk->GetMeta(idx);
- if (BlockMeta == 0x0f)
- {
- // The fire burnt out completely
- FLOG("FS: Fire at {%d, %d, %d} burnt out, removing the fire block",
- itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
- );
- a_Chunk->SetBlock(itr->x, itr->y, itr->z, E_BLOCK_AIR, 0);
- RemoveFuelNeighbors(a_Chunk, itr->x, itr->y, itr->z);
- itr = Data.erase(itr);
- continue;
- }
- a_Chunk->SetMeta(idx, BlockMeta + 1);
- itr->Data = GetBurnStepTime(a_Chunk, itr->x, itr->y, itr->z); // TODO: Add some randomness into this
- } // for itr - Data[]
-}
-
-
-
-
-
-bool cFireSimulator::IsAllowedBlock(BLOCKTYPE a_BlockType)
-{
- return (a_BlockType == E_BLOCK_FIRE);
-}
-
-
-
-
-
-bool cFireSimulator::IsFuel(BLOCKTYPE a_BlockType)
-{
- switch (a_BlockType)
- {
- case E_BLOCK_PLANKS:
- case E_BLOCK_LEAVES:
- case E_BLOCK_LOG:
- case E_BLOCK_WOOL:
- case E_BLOCK_BOOKCASE:
- case E_BLOCK_FENCE:
- case E_BLOCK_TNT:
- case E_BLOCK_VINES:
- {
- return true;
- }
- }
- return false;
-}
-
-
-
-
-
-bool cFireSimulator::IsForever(BLOCKTYPE a_BlockType)
-{
- return (a_BlockType == E_BLOCK_NETHERRACK);
-}
-
-
-
-
-
-void cFireSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk)
-{
- if ((a_Chunk == NULL) || !a_Chunk->IsValid())
- {
- return;
- }
-
- int RelX = a_BlockX - a_Chunk->GetPosX() * cChunkDef::Width;
- int RelZ = a_BlockZ - a_Chunk->GetPosZ() * cChunkDef::Width;
- BLOCKTYPE BlockType = a_Chunk->GetBlock(RelX, a_BlockY, RelZ);
- if (!IsAllowedBlock(BlockType))
- {
- return;
- }
-
- // Check for duplicates:
- cFireSimulatorChunkData & ChunkData = a_Chunk->GetFireSimulatorData();
- for (cCoordWithIntList::iterator itr = ChunkData.begin(), end = ChunkData.end(); itr != end; ++itr)
- {
- if ((itr->x == RelX) && (itr->y == a_BlockY) && (itr->z == RelZ))
- {
- // Already present, skip adding
- return;
- }
- } // for itr - ChunkData[]
-
- FLOG("FS: Adding block {%d, %d, %d}", a_BlockX, a_BlockY, a_BlockZ);
- ChunkData.push_back(cCoordWithInt(RelX, a_BlockY, RelZ, 100));
-}
-
-
-
-
-
-int cFireSimulator::GetBurnStepTime(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ)
-{
- bool IsBlockBelowSolid = false;
- if (a_RelY > 0)
- {
- BLOCKTYPE BlockBelow = a_Chunk->GetBlock(a_RelX, a_RelY - 1, a_RelZ);
- if (IsForever(BlockBelow))
- {
- // Is burning atop of netherrack, burn forever (re-check in 10 sec)
- return 10000;
- }
- if (IsFuel(BlockBelow))
- {
- return m_BurnStepTimeFuel;
- }
- IsBlockBelowSolid = g_BlockIsSolid[BlockBelow];
- }
-
- for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
- {
- BLOCKTYPE BlockType;
- NIBBLETYPE BlockMeta;
- if (a_Chunk->UnboundedRelGetBlock(a_RelX + gCrossCoords[i].x, a_RelY, a_RelZ + gCrossCoords[i].z, BlockType, BlockMeta))
- {
- if (IsFuel(BlockType))
- {
- return m_BurnStepTimeFuel;
- }
- }
- } // for i - gCrossCoords[]
-
- if (!IsBlockBelowSolid && (a_RelY >= 0))
- {
- // Checked through everything, nothing was flammable
- // If block below isn't solid, we can't have fire, it would be a non-fueled fire
- // SetBlock just to make sure fire doesn't spawn
- a_Chunk->SetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_AIR, 0);
- return 0;
- }
- return m_BurnStepTimeNonfuel;
-}
-
-
-
-
-
-void cFireSimulator::TrySpreadFire(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ)
-{
- /*
- if (m_World.GetTickRandomNumber(10000) > 100)
- {
- // Make the chance to spread 100x smaller
- return;
- }
- */
-
- for (int x = a_RelX - 1; x <= a_RelX + 1; x++)
- {
- for (int z = a_RelZ - 1; z <= a_RelZ + 1; z++)
- {
- for (int y = a_RelY - 1; y <= a_RelY + 2; y++) // flames spread up one more block than around
- {
- // No need to check the coords for equality with the parent block,
- // it cannot catch fire anyway (because it's not an air block)
-
- if (m_World.GetTickRandomNumber(MAX_CHANCE_FLAMMABILITY) > m_Flammability)
- {
- continue;
- }
-
- // Start the fire in the neighbor {x, y, z}
- /*
- FLOG("FS: Trying to start fire at {%d, %d, %d}.",
- x + a_Chunk->GetPosX() * cChunkDef::Width, y, z + a_Chunk->GetPosZ() * cChunkDef::Width
- );
- */
- if (CanStartFireInBlock(a_Chunk, x, y, z))
- {
- FLOG("FS: Starting new fire at {%d, %d, %d}.",
- x + a_Chunk->GetPosX() * cChunkDef::Width, y, z + a_Chunk->GetPosZ() * cChunkDef::Width
- );
- a_Chunk->UnboundedRelSetBlock(x, y, z, E_BLOCK_FIRE, 0);
- }
- } // for y
- } // for z
- } // for x
-}
-
-
-
-
-
-void cFireSimulator::RemoveFuelNeighbors(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ)
-{
- for (int i = 0; i < ARRAYCOUNT(gNeighborCoords); i++)
- {
- BLOCKTYPE BlockType;
- NIBBLETYPE BlockMeta;
- if (!a_Chunk->UnboundedRelGetBlock(a_RelX + gNeighborCoords[i].x, a_RelY + gNeighborCoords[i].y, a_RelZ + gNeighborCoords[i].z, BlockType, BlockMeta))
- {
- // Neighbor not accessible, ignore it
- continue;
- }
- if (!IsFuel(BlockType))
- {
- continue;
- }
- bool ShouldReplaceFuel = (m_World.GetTickRandomNumber(MAX_CHANCE_REPLACE_FUEL) < m_ReplaceFuelChance);
- a_Chunk->UnboundedRelSetBlock(
- a_RelX + gNeighborCoords[i].x, a_RelY + gNeighborCoords[i].y, a_RelZ + gNeighborCoords[i].z,
- ShouldReplaceFuel ? E_BLOCK_FIRE : E_BLOCK_AIR, 0
- );
- } // for i - Coords[]
-}
-
-
-
-
-
-bool cFireSimulator::CanStartFireInBlock(cChunk * a_NearChunk, int a_RelX, int a_RelY, int a_RelZ)
-{
- BLOCKTYPE BlockType;
- NIBBLETYPE BlockMeta;
- if (!a_NearChunk->UnboundedRelGetBlock(a_RelX, a_RelY, a_RelZ, BlockType, BlockMeta))
- {
- // The chunk is not accessible
- return false;
- }
-
- if (BlockType != E_BLOCK_AIR)
- {
- // Only an air block can be replaced by a fire block
- return false;
- }
-
- for (int i = 0; i < ARRAYCOUNT(gNeighborCoords); i++)
- {
- if (!a_NearChunk->UnboundedRelGetBlock(a_RelX + gNeighborCoords[i].x, a_RelY + gNeighborCoords[i].y, a_RelZ + gNeighborCoords[i].z, BlockType, BlockMeta))
- {
- // Neighbor inaccessible, skip it while evaluating
- continue;
- }
- if (IsFuel(BlockType))
- {
- return true;
- }
- } // for i - Coords[]
- return false;
-}
-
-
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 00:45:52 +0100