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// Shave and a Haircut
// (c) 2019 Epic Games
// US Patent 6720962
#include "ShavePerVertTexInfo.h"
#include "shaveTextureStore.h"
const int ShavePerVertTexInfo::mVertParams[] = { 8, 21, 40 };
const unsigned int ShavePerVertTexInfo::mNumVertParams = sizeof(mVertParams) / sizeof(int);
ShavePerVertTexInfo::ShavePerVertTexInfo()
: mNumVertices(0)
, mTextureValues(0)
{
}
ShavePerVertTexInfo::~ShavePerVertTexInfo()
{
clear(true);
}
void ShavePerVertTexInfo::clear(bool all)
{
// If we have any existing texture data, delete it.
if (mTextureValues)
{
for (unsigned int param = 0; param < mNumVertParams; ++param)
{
if (mTextureValues[param])
{
delete [] mTextureValues[param];
mTextureValues[param] = 0;
}
}
if (all)
{
delete [] mTextureValues;
mTextureValues = 0;
}
}
mNumVertices = 0;
}
void ShavePerVertTexInfo::init(unsigned int numVertices)
{
clear(false);
mNumVertices = numVertices;
}
bool ShavePerVertTexInfo::setValue(
unsigned int paramIdx,
unsigned int vertIdx,
float value
)
{
if ((paramIdx >= mNumVertParams) || (vertIdx > mNumVertices)) return false;
if (mTextureValues == 0)
{
mTextureValues = new float*[mNumVertParams];
for (unsigned int i = 0; i < mNumVertParams; ++i)
mTextureValues[i] = 0;
}
if (mTextureValues[paramIdx] == 0)
mTextureValues[paramIdx] = new float[mNumVertices];
mTextureValues[paramIdx][vertIdx] = value;
return true;
}
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