Adding Shave-and-a-Haircut 9.6

1 files changed, 153 insertions, 0 deletions

diff --git a/vrayPlug/plugin/shaveVrayInstanceBase.cpp b/vrayPlug/plugin/shaveVrayInstanceBase.cpp
new file mode 100644
index 0000000..9678b13
--- /dev/null
+++ b/vrayPlug/plugin/shaveVrayInstanceBase.cpp
@@ -0,0 +1,153 @@
+// Shave and a Haircut
+// (c) 2019 Epic Games
+// US Patent 6720962
+
+/**********************************************************************
+ *<
+	FILE:			shaveVrayInstanceBase.cpp
+
+	DESCRIPTION:	VRay base class for regular and insted hair VRay instance classes
+
+	CREATED BY:		Vladimir Dubovoy <[email protected]>
+
+	HISTORY:		created  12-05-2010 
+
+ *>
+ **********************************************************************/
+
+#include "shaveVrayInstanceBase.h" 
+
+//IHairStack* shaveVrayInstanceBase::stack = NULL;
+
+IHairStack* stack = NULL;
+
+void shaveVrayInstanceBase::loadHair()
+{
+	if(!stack)
+	{
+		//we can not do it in standalone case
+		//shaveVrayIntListParam* dataParam = plugin->GetDataParam();
+		//shaveVrayIntParam* dataSizeParam = plugin->GetDataSizeParam();
+		
+		bool dra_as_param = false;
+		bool dra_as_file  = false;
+		VR::VRayPluginParameter *dataParam=plugin->paramList->getParam("draData");
+		VR::VRayPluginParameter *dataSizeParam=plugin->paramList->getParam("draSize");
+		if(dataSizeParam && dataParam /*&& dataParam->getCount(0) > 0*/)
+		{
+			LOGMSG("SHAVE", "shaveVrayInstance: importing DRA from memory");
+
+			VR::IntList L = dataParam->getIntList(0);
+
+			//int N = dataParam->getCount(0);
+			int N = L.count();
+			int size = dataSizeParam->getInt(0,0);
+			if(N > 0 && size > 0)
+			{
+				dra_as_param = true;
+			
+			
+				LOGMSGI("SHAVE", "shaveVrayInstance: DRA data size ", size);
+				LOGMSGI("SHAVE", "shaveVrayInstance: DRA intlist count ", N);
+
+				int extra = 0;
+				int n = size/sizeof(int);
+				if(size > n*sizeof(int))
+				{
+					extra = size - n*sizeof(int);
+				}
+				LOGMSGI("SHAVE", "shaveVrayInstance: (debug) exta bytes ", extra);
+
+				char* data = (char*)malloc(size);
+				int* idata = (int*)data;
+				int  chpos = 0;
+				long intsum = 0;
+				for(int oo = 0; oo < N; oo++)
+				{
+					if(oo < n) 
+					{
+						//int v = dataParam->getInt(oo,0.0);
+						int v = L[oo];
+						idata[oo] = v;
+						chpos += sizeof(int);
+
+						intsum += v;
+					}
+					else
+					{
+						//int A = dataParam->getInt(oo,0.0);
+						int A = L[oo];
+						char* AA = (char*)(&A);
+						for(int j = 0; j < extra; j++)
+						{
+							data[chpos+j] = AA[j];
+						}
+
+						intsum += A;
+					}
+				}
+				///// checksum //
+				int sum = 0;
+				for(int oo = 0; oo < size; oo++)
+				{
+					sum += (unsigned char)data[oo];
+				}
+				LOGMSGI("SHAVE", "shaveVrayInstance: (debug) checksum ", (int)sum);
+				LOGMSGI("SHAVE", "shaveVrayInstance: (debug) intsum ", (int)intsum);
+				
+				stack = LoadHair((void*)data,(long)size);
+			}
+	
+		}
+
+		if(!dra_as_param && !shaveVrayPlugin::draFile.empty())
+		{
+			dra_as_file = true;
+			LOGMSG("SHAVE", "shaveVrayInstance: importing DRA from file.");
+			stack = LoadHair((char*)shaveVrayPlugin::draFile.ptr());
+		}
+		
+		if(!dra_as_param && !dra_as_file)
+		{
+			LOGMSG("SHAVE", "shaveVrayInstance: no DRA source specified.");
+		}
+	}
+	if(!hair() && stack)
+	{
+		if(stack)
+		{
+			try
+			{
+				_hair() = stack->GetHairNodeByID(stackid(),GetSquirrel());
+			}
+			catch(...)
+			{
+				LOGMSG("SHAVE", "shaveVrayInstance: an exception occured when accessing DRA.");
+			}
+			if(!hair())
+				LOGMSGI("SHAVE", "shaveVrayInstance: can not create Hair node (id)",stackid());
+		}
+		else
+			LOGMSG("SHAVE", "shaveVrayInstance::compileGeometry NULL stack.");
+	}
+}
+
+void shaveVrayInstanceBase::freeMem() 
+{
+	//free primitieves here
+	for(unsigned int i = 0; i < (unsigned int)voxprims().size(); i++)
+		if(voxprim(i))
+		{
+			delete voxprim(i);
+			_voxprim(i) = NULL;
+		}
+	_voxprims().clear();
+
+
+	if(stack)
+	{
+		delete stack;
+		stack = NULL;
+	}
+}
+