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/// Multi-threaded simulation manager base class |
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class RadSimulManager { |
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char * header; // header (less intro and format) |
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int hlen; // header string length |
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protected: |
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// Assign ray to subthread (fails if NThreads()<2) |
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bool SplitRay(RAY *r); |
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public: |
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RadSimulManager(const char *octn = NULL) { |
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header = NULL; hlen = 0; |
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LoadOctree(octn); |
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} |
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~RadSimulManager() { |
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} |
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/// Load octree and prepare renderer |
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bool LoadOctree(const char *octn); |
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/// Prepare header from previous input (or clear) |
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/// Normally called during octree load |
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bool NewHeader(const char *inspec=NULL); |
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/// Add a line to header (adds newline if none) |
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bool AddHeader(const char *str); |
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/// Append program line to header |
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bool AddHeader(int ac, char *av[]); |
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/// Get header lines or empty string |
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const char * GetHeadStr() const { |
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return hlen ? header : ""; |
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} |
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/// Look for specific header keyword, return value |
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const char * GetHeadStr(const char *key, bool inOK = false) const; |
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/// How many cores are available? |
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static int GetNCores(); |
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/// Set number of computation threads (0 => #cores) |
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int SetThreadCount(int nt = 0) { |
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if (nt <= 0) nt = castonly ? 1 : GetNCores(); |
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if (nt == NThreads()) return nt; |
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if (FlushQueue() < 0) return 0; |
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> |
if (nt < NThreads() && FlushQueue() < 0) return 0; |
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return RadSimulManager::SetThreadCount(nt); |
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} |
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/// Add ray bundle to queue w/ optional 1st ray ID |
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int FlushQueue(); |
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/// Close octree, free data, return status |
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int Cleanup(bool everything = false) { |
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FlushQueue(); |
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SetCookedCall(NULL); |
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SetTraceCall(NULL); |
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rtFlags = 0; |