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#pragma once
#include "Configuration/UnityConfigure.h"
#include "Runtime/Serialize/TransferFunctions/SerializeTransfer.h"
#include "External/Allegorithmic/builds/Engines/include/substance/inputdesc.h"
#include "Texture2D.h"
enum ProceduralPropertyType
{
ProceduralPropertyType_Boolean = 0,
ProceduralPropertyType_Float,
ProceduralPropertyType_Vector2,
ProceduralPropertyType_Vector3,
ProceduralPropertyType_Vector4,
ProceduralPropertyType_Color3,
ProceduralPropertyType_Color4,
ProceduralPropertyType_Enum,
ProceduralPropertyType_Texture
};
inline bool IsSubstanceAnyFloatType (SubstanceInputType type) { return type >= Substance_IType_Float && type <= Substance_IType_Float4; }
inline bool IsSubstanceAnyIntType (SubstanceInputType type) { return (type == Substance_IType_Integer) || (type == Substance_IType_Integer2) || (type == Substance_IType_Integer3) || (type == Substance_IType_Integer4); }
inline int GetRequiredInputComponentCount (SubstanceInputType type)
{
switch (type)
{
case Substance_IType_Float:
case Substance_IType_Integer:
return 1;
case Substance_IType_Float2:
case Substance_IType_Integer2:
return 2;
case Substance_IType_Float3:
case Substance_IType_Integer3:
return 3;
case Substance_IType_Float4:
case Substance_IType_Integer4:
return 4;
default:
AssertString("Not supported");
return -1;
}
}
struct SubstanceEnumItem
{
DECLARE_SERIALIZE(SubstanceEnumItem)
int value;
UnityStr text;
};
struct SubstanceValue
{
DECLARE_SERIALIZE(SubstanceValue)
float scalar[4];
PPtr<Texture2D> texture;
SubstanceValue() { memset(scalar, 0, sizeof(float)*4); }
};
struct SubstanceInput
{
DECLARE_SERIALIZE(SubstanceInput)
// type & names
UnityStr name;
UnityStr label;
UnityStr group;
ProceduralPropertyType type;
SubstanceValue value;
SubstanceInputType internalType;
unsigned int internalIndex;
unsigned int internalIdentifier;
unsigned int shuffledIdentifier;
// Ranges and step
float minimum;
float maximum;
float step;
// Enum values
std::vector<SubstanceEnumItem> enumValues;
std::vector<std::string> GetEnumOptions() const
{
std::vector<std::string> enumOptions;
std::vector<SubstanceEnumItem>::const_iterator it;
for (it=enumValues.begin();it!=enumValues.end();++it)
{
enumOptions.push_back(it->text);
}
return enumOptions;
}
// Flags
enum Flag
{
Flag_SkipHint = 1<<0, // input is in head of the graph so the cache is not usefull
Flag_Modified = 1<<1, // input has been modified
Flag_Cached = 1<<2, // input is cached to speed up modifications
Flag_Awake = 1<<3, // this flag is set when AwakeFromLoad comes, this to rebuild all without having hints everywhere
Flag_Clamp = 1<<4 // needs to clamp value when set
};
unsigned int flags;
bool IsFlagEnabled(const Flag& flag) const { return flags & (unsigned int)flag; }
void EnableFlag(const Flag& flag, bool enabled=true) { if (enabled) flags |= (unsigned int)flag; else flags &= ~(unsigned int)flag; }
// Altered texture links
std::set<unsigned int> alteredTexturesUID;
SubstanceInput ()
{
type = ProceduralPropertyType_Float;
flags = SubstanceInput::Flag_Awake;
value.scalar[0] = value.scalar[1] = value.scalar[2] = value.scalar[3] = 0.0F;
internalType = Substance_IType_Float;
internalIndex = 0;
internalIdentifier = 0;
minimum = -std::numeric_limits<float>::max();
maximum = std::numeric_limits<float>::max();
}
};
inline void ClampSubstanceInputValues (const SubstanceInput& input, SubstanceValue& value)
{
// validate combo value
if (input.type==ProceduralPropertyType_Enum && input.enumValues.size()>0)
{
std::vector<SubstanceEnumItem>::const_iterator it;
for (it=input.enumValues.begin();it!=input.enumValues.end();++it)
{
if ((int)value.scalar[0]==it->value)
return;
}
value.scalar[0] = (float)input.enumValues[0].value;
return;
}
// clamp scalar values
if (input.IsFlagEnabled(SubstanceInput::Flag_Clamp))
{
int count = GetRequiredInputComponentCount(input.internalType);
if (IsSubstanceAnyIntType(input.internalType))
{
for (int index=0;index<count;++index)
value.scalar[index] = (float)clamp<int>((int)(value.scalar[index]+0.5f), (int)input.minimum, (int)input.maximum);
}
else
{
for (int index=0;index<count;++index)
value.scalar[index] = clamp<float>(value.scalar[index], input.minimum, input.maximum);
}
} // step integers
else if (IsSubstanceAnyIntType(input.internalType))
{
int count = GetRequiredInputComponentCount(input.internalType);
for (int index=0;index<count;++index)
value.scalar[index] = (float)((int)(value.scalar[index]+0.5f));
}
}
inline bool AreSubstanceInputValuesEqual(SubstanceInputType type, SubstanceValue& first, SubstanceValue& second)
{
if (IsSubstanceAnyFloatType(type))
{
return memcmp(first.scalar, second.scalar,
sizeof(float)*GetRequiredInputComponentCount(type))==0;
}
else if (IsSubstanceAnyIntType(type))
{
int count = GetRequiredInputComponentCount(type);
for (int index=0;index<count;++index)
{
if ((int)first.scalar[index]!=(int)second.scalar[index])
return false;
}
return true;
}
else if (type==Substance_IType_Image)
{
return first.texture==second.texture;
}
return false;
}
typedef std::vector<SubstanceInput> SubstanceInputs;
template<class T>
void SubstanceEnumItem::Transfer(T& transfer)
{
TRANSFER(value);
TRANSFER(text);
}
template<class T>
void SubstanceValue::Transfer(T& transfer)
{
TRANSFER(scalar[0]);
TRANSFER(scalar[1]);
TRANSFER(scalar[2]);
TRANSFER(scalar[3]);
TRANSFER(texture);
}
template<class T>
void SubstanceInput::Transfer(T& transfer)
{
// type & names
TRANSFER(name);
TRANSFER(label);
TRANSFER(group);
transfer.Transfer(reinterpret_cast<int&> (type), "type");
TRANSFER(value);
transfer.Transfer(reinterpret_cast<int&> (internalType), "internalType");
TRANSFER(internalIndex);
TRANSFER(internalIdentifier);
// Range and step
TRANSFER(minimum);
TRANSFER(maximum);
TRANSFER(step);
// Flags
TRANSFER(flags);
// Altered texture links
TRANSFER(alteredTexturesUID);
// Enum
TRANSFER(enumValues);
// Update status
if (transfer.IsReading())
{
EnableFlag(Flag_Awake, true);
EnableFlag(Flag_Cached, false);
}
}
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