From 675b4aa878f16291ce33fced48a2bc7425f635ae Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Sun, 24 Nov 2013 14:19:41 +0000 Subject: Moved source to src --- src/Simulator/FireSimulator.h | 75 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 src/Simulator/FireSimulator.h (limited to 'src/Simulator/FireSimulator.h') diff --git a/src/Simulator/FireSimulator.h b/src/Simulator/FireSimulator.h new file mode 100644 index 000000000..0d8a548ef --- /dev/null +++ b/src/Simulator/FireSimulator.h @@ -0,0 +1,75 @@ + +#pragma once + +#include "Simulator.h" +#include "../BlockEntities/BlockEntity.h" + + + + + +/** The fire simulator takes care of the fire blocks. +It periodically increases their meta ("steps") until they "burn out"; it also supports the forever burning netherrack. +Each individual fire block gets stored in per-chunk data; that list is then used for fast retrieval. +The data value associated with each coord is used as the number of msec that the fire takes until +it progresses to the next step (blockmeta++). This value is updated if a neighbor is changed. +The simulator reads its parameters from the ini file given to the constructor. +*/ +class cFireSimulator : + public cSimulator +{ +public: + cFireSimulator(cWorld & a_World, cIniFile & a_IniFile); + ~cFireSimulator(); + + virtual void Simulate(float a_Dt) override {} // not used + virtual void SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) override; + + virtual bool IsAllowedBlock(BLOCKTYPE a_BlockType) override; + + bool IsFuel (BLOCKTYPE a_BlockType); + bool IsForever(BLOCKTYPE a_BlockType); + +protected: + /// Time (in msec) that a fire block takes to burn with a fuel block into the next step + unsigned m_BurnStepTimeFuel; + + /// Time (in msec) that a fire block takes to burn without a fuel block into the next step + unsigned m_BurnStepTimeNonfuel; + + /// Chance [0..100000] of an adjacent fuel to catch fire on each tick + int m_Flammability; + + /// Chance [0..100000] of a fuel burning out being replaced by a new fire block instead of an air block + int m_ReplaceFuelChance; + + + virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override; + + /// Returns the time [msec] after which the specified fire block is stepped again; based on surrounding fuels + int GetBurnStepTime(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ); + + /// Tries to spread fire to a neighborhood of the specified block + void TrySpreadFire(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ); + + /// Removes all burnable blocks neighboring the specified block + void RemoveFuelNeighbors(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ); + + /** Returns true if a fire can be started in the specified block, + that is, it is an air block and has fuel next to it. + Note that a_NearChunk may be a chunk neighbor to the block specified! + The coords are relative to a_NearChunk but not necessarily in it. + */ + bool CanStartFireInBlock(cChunk * a_NearChunk, int a_RelX, int a_RelY, int a_RelZ); +} ; + + + + + +/// Stores individual fire blocks in the chunk; the int data is used as the time [msec] the fire takes to step to another stage (blockmeta++) +typedef cCoordWithIntList cFireSimulatorChunkData; + + + + -- cgit v1.2.3