void Material::SetUVTransform(const Vector2& offset, float rotation, const Vector2& repeat)
{
Matrix3x4 transform(Matrix3x4::IDENTITY);
transform.m00_ = repeat.x_;
transform.m11_ = repeat.y_;
transform.m03_ = -0.5f * transform.m00_ + 0.5f;
transform.m13_ = -0.5f * transform.m11_ + 0.5f;
Matrix3x4 rotationMatrix(Matrix3x4::IDENTITY);
rotationMatrix.m00_ = Cos(rotation);
rotationMatrix.m01_ = Sin(rotation);
rotationMatrix.m10_ = -rotationMatrix.m01_;
rotationMatrix.m11_ = rotationMatrix.m00_;
rotationMatrix.m03_ = 0.5f - 0.5f * (rotationMatrix.m00_ + rotationMatrix.m01_);
rotationMatrix.m13_ = 0.5f - 0.5f * (rotationMatrix.m10_ + rotationMatrix.m11_);
transform = rotationMatrix * transform;
Matrix3x4 offsetMatrix = Matrix3x4::IDENTITY;
offsetMatrix.m03_ = offset.x_;
offsetMatrix.m13_ = offset.y_;
transform = offsetMatrix * transform;
SetShaderParameter("UOffset", Vector4(transform.m00_, transform.m01_, transform.m02_, transform.m03_));
SetShaderParameter("VOffset", Vector4(transform.m10_, transform.m11_, transform.m12_, transform.m13_));
}
void Material::ResetToDefaults()
{
// Needs to be a no-op when async loading, as this does a GetResource() which is not allowed from worker threads
if (!Thread::IsMainThread())
return;
SetNumTechniques(1);
SetTechnique(0, GetSubsystem<ResourceCache>()->GetResource<Technique>("Techniques/NoTexture.xml"));
textures_.Clear();
batchedParameterUpdate_ = true;
shaderParameters_.Clear();
SetShaderParameter("UOffset", Vector4(1.0f, 0.0f, 0.0f, 0.0f));
SetShaderParameter("VOffset", Vector4(0.0f, 1.0f, 0.0f, 0.0f));
SetShaderParameter("MatDiffColor", Vector4::ONE);
SetShaderParameter("MatEmissiveColor", Vector3::ZERO);
SetShaderParameter("MatEnvMapColor", Vector3::ONE);
SetShaderParameter("MatSpecColor", Vector4(0.0f, 0.0f, 0.0f, 1.0f));
batchedParameterUpdate_ = false;
cullMode_ = CULL_CCW;
shadowCullMode_ = CULL_CCW;
fillMode_ = FILL_SOLID;
depthBias_ = BiasParameters(0.0f, 0.0f);
RefreshShaderParameterHash();
RefreshMemoryUse();
}
void Material::ResetToDefaults()
{
for (unsigned i = 0; i < MAX_MATERIAL_TEXTURE_UNITS; ++i)
textures_[i] = 0;
shaderParameters_.Clear();
SetShaderParameter("UOffset", Vector4(1.0f, 0.0f, 0.0f, 0.0f));
SetShaderParameter("VOffset", Vector4(0.0f, 1.0f, 0.0f, 0.0f));
SetShaderParameter("MatDiffColor", Vector4::ONE);
SetShaderParameter("MatEmissiveColor", Vector3::ZERO);
SetShaderParameter("MatEnvMapColor", Vector3::ONE);
SetShaderParameter("MatSpecColor", Vector4(0.0f, 0.0f, 0.0f, 1.0f));
cullMode_ = CULL_CCW;
shadowCullMode_ = CULL_CCW;
depthBias_ = BiasParameters(0.0f, 0.0f);
}
bool Material::Load(const XMLElement& source)
{
ResetToDefaults();
if (source.IsNull())
{
LOGERROR("Can not load material from null XML element");
return false;
}
ResourceCache* cache = GetSubsystem<ResourceCache>();
XMLElement techniqueElem = source.GetChild("technique");
techniques_.Clear();
while (techniqueElem)
{
Technique* tech = cache->GetResource<Technique>(techniqueElem.GetAttribute("name"));
if (tech)
{
TechniqueEntry newTechnique;
newTechnique.technique_ = tech;
if (techniqueElem.HasAttribute("quality"))
newTechnique.qualityLevel_ = techniqueElem.GetInt("quality");
if (techniqueElem.HasAttribute("loddistance"))
newTechnique.lodDistance_ = techniqueElem.GetFloat("loddistance");
techniques_.Push(newTechnique);
}
techniqueElem = techniqueElem.GetNext("technique");
}
SortTechniques();
XMLElement textureElem = source.GetChild("texture");
while (textureElem)
{
TextureUnit unit = TU_DIFFUSE;
if (textureElem.HasAttribute("unit"))
{
String unitName = textureElem.GetAttributeLower("unit");
if (unitName.Length() > 1)
{
unit = ParseTextureUnitName(unitName);
if (unit >= MAX_MATERIAL_TEXTURE_UNITS)
LOGERROR("Unknown or illegal texture unit " + unitName);
}
else
unit = (TextureUnit)Clamp(ToInt(unitName), 0, MAX_MATERIAL_TEXTURE_UNITS - 1);
}
if (unit != MAX_MATERIAL_TEXTURE_UNITS)
{
String name = textureElem.GetAttribute("name");
// Detect cube maps by file extension: they are defined by an XML file
if (GetExtension(name) == ".xml")
SetTexture(unit, cache->GetResource<TextureCube>(name));
else
SetTexture(unit, cache->GetResource<Texture2D>(name));
}
textureElem = textureElem.GetNext("texture");
}
XMLElement parameterElem = source.GetChild("parameter");
while (parameterElem)
{
String name = parameterElem.GetAttribute("name");
SetShaderParameter(name, ParseShaderParameterValue(parameterElem.GetAttribute("value")));
parameterElem = parameterElem.GetNext("parameter");
}
XMLElement cullElem = source.GetChild("cull");
if (cullElem)
SetCullMode((CullMode)GetStringListIndex(cullElem.GetAttribute("value").CString(), cullModeNames, CULL_CCW));
XMLElement shadowCullElem = source.GetChild("shadowcull");
if (shadowCullElem)
SetShadowCullMode((CullMode)GetStringListIndex(shadowCullElem.GetAttribute("value").CString(), cullModeNames, CULL_CCW));
XMLElement depthBiasElem = source.GetChild("depthbias");
if (depthBiasElem)
SetDepthBias(BiasParameters(depthBiasElem.GetFloat("constant"), depthBiasElem.GetFloat("slopescaled")));
// Calculate memory use
unsigned memoryUse = sizeof(Material);
memoryUse += techniques_.Size() * sizeof(TechniqueEntry);
memoryUse += MAX_MATERIAL_TEXTURE_UNITS * sizeof(SharedPtr<Texture>);
memoryUse += shaderParameters_.Size() * sizeof(MaterialShaderParameter);
SetMemoryUse(memoryUse);
CheckOcclusion();
return true;
}
bool Material::Load(const XMLElement& source)
{
ResetToDefaults();
if (source.IsNull())
{
LOGERROR("Can not load material from null XML element");
return false;
}
ResourceCache* cache = GetSubsystem<ResourceCache>();
XMLElement techniqueElem = source.GetChild("technique");
techniques_.Clear();
while (techniqueElem)
{
Technique* tech = cache->GetResource<Technique>(techniqueElem.GetAttribute("name"));
if (tech)
{
TechniqueEntry newTechnique;
newTechnique.technique_ = tech;
if (techniqueElem.HasAttribute("quality"))
newTechnique.qualityLevel_ = techniqueElem.GetInt("quality");
if (techniqueElem.HasAttribute("loddistance"))
newTechnique.lodDistance_ = techniqueElem.GetFloat("loddistance");
techniques_.Push(newTechnique);
}
techniqueElem = techniqueElem.GetNext("technique");
}
SortTechniques();
XMLElement textureElem = source.GetChild("texture");
while (textureElem)
{
TextureUnit unit = TU_DIFFUSE;
if (textureElem.HasAttribute("unit"))
unit = ParseTextureUnitName(textureElem.GetAttribute("unit"));
if (unit < MAX_TEXTURE_UNITS)
{
String name = textureElem.GetAttribute("name");
// Detect cube maps by file extension: they are defined by an XML file
/// \todo Differentiate with 3D textures by actually reading the XML content
if (GetExtension(name) == ".xml")
{
#ifdef DESKTOP_GRAPHICS
if (unit == TU_VOLUMEMAP)
SetTexture(unit, cache->GetResource<Texture3D>(name));
else
#endif
SetTexture(unit, cache->GetResource<TextureCube>(name));
}
else
SetTexture(unit, cache->GetResource<Texture2D>(name));
}
textureElem = textureElem.GetNext("texture");
}
batchedParameterUpdate_ = true;
XMLElement parameterElem = source.GetChild("parameter");
while (parameterElem)
{
String name = parameterElem.GetAttribute("name");
SetShaderParameter(name, ParseShaderParameterValue(parameterElem.GetAttribute("value")));
parameterElem = parameterElem.GetNext("parameter");
}
batchedParameterUpdate_ = false;
XMLElement parameterAnimationElem = source.GetChild("parameteranimation");
while (parameterAnimationElem)
{
String name = parameterAnimationElem.GetAttribute("name");
SharedPtr<ValueAnimation> animation(new ValueAnimation(context_));
if (!animation->LoadXML(parameterAnimationElem))
{
LOGERROR("Could not load parameter animation");
return false;
}
String wrapModeString = parameterAnimationElem.GetAttribute("wrapmode");
WrapMode wrapMode = WM_LOOP;
for (int i = 0; i <= WM_CLAMP; ++i)
{
if (wrapModeString == wrapModeNames[i])
{
wrapMode = (WrapMode)i;
break;
}
}
float speed = parameterAnimationElem.GetFloat("speed");
SetShaderParameterAnimation(name, animation, wrapMode, speed);
parameterAnimationElem = parameterAnimationElem.GetNext("parameteranimation");
}
XMLElement cullElem = source.GetChild("cull");
if (cullElem)
SetCullMode((CullMode)GetStringListIndex(cullElem.GetAttribute("value").CString(), cullModeNames, CULL_CCW));
XMLElement shadowCullElem = source.GetChild("shadowcull");
if (shadowCullElem)
SetShadowCullMode((CullMode)GetStringListIndex(shadowCullElem.GetAttribute("value").CString(), cullModeNames, CULL_CCW));
XMLElement fillElem = source.GetChild("fill");
if (fillElem)
SetFillMode((FillMode)GetStringListIndex(fillElem.GetAttribute("value").CString(), fillModeNames, FILL_SOLID));
XMLElement depthBiasElem = source.GetChild("depthbias");
if (depthBiasElem)
SetDepthBias(BiasParameters(depthBiasElem.GetFloat("constant"), depthBiasElem.GetFloat("slopescaled")));
RefreshShaderParameterHash();
RefreshMemoryUse();
CheckOcclusion();
return true;
}
void Graphics::SetShaderParameter(StringHash param, const Variant& value)
{
switch (value.GetType())
{
case VAR_BOOL:
SetShaderParameter(param, value.GetBool());
break;
case VAR_INT:
SetShaderParameter(param, value.GetInt());
break;
case VAR_FLOAT:
case VAR_DOUBLE:
SetShaderParameter(param, value.GetFloat());
break;
case VAR_VECTOR2:
SetShaderParameter(param, value.GetVector2());
break;
case VAR_VECTOR3:
SetShaderParameter(param, value.GetVector3());
break;
case VAR_VECTOR4:
SetShaderParameter(param, value.GetVector4());
break;
case VAR_COLOR:
SetShaderParameter(param, value.GetColor());
break;
case VAR_MATRIX3:
SetShaderParameter(param, value.GetMatrix3());
break;
case VAR_MATRIX3X4:
SetShaderParameter(param, value.GetMatrix3x4());
break;
case VAR_MATRIX4:
SetShaderParameter(param, value.GetMatrix4());
break;
case VAR_BUFFER:
{
const PODVector<unsigned char>& buffer = value.GetBuffer();
if (buffer.Size() >= sizeof(float))
SetShaderParameter(param, reinterpret_cast<const float*>(&buffer[0]), buffer.Size() / sizeof(float));
}
break;
default:
// Unsupported parameter type, do nothing
break;
}
}
bool Material::Load(Deserializer& source)
{
PROFILE(LoadMaterial);
// In headless mode, do not actually load the material, just return success
Graphics* graphics = GetSubsystem<Graphics>();
if (!graphics)
return true;
ResetToDefaults();
ResourceCache* cache = GetSubsystem<ResourceCache>();
SharedPtr<XMLFile> xml(new XMLFile(context_));
if (!xml->Load(source))
return false;
XMLElement rootElem = xml->GetRoot();
XMLElement techniqueElem = rootElem.GetChild("technique");
techniques_.Clear();
while (techniqueElem)
{
Technique* tech = cache->GetResource<Technique>(techniqueElem.GetAttribute("name"));
if (tech)
{
TechniqueEntry newTechnique;
newTechnique.technique_ = tech;
if (techniqueElem.HasAttribute("quality"))
newTechnique.qualityLevel_ = techniqueElem.GetInt("quality");
if (techniqueElem.HasAttribute("loddistance"))
newTechnique.lodDistance_ = techniqueElem.GetFloat("loddistance");
techniques_.Push(newTechnique);
}
techniqueElem = techniqueElem.GetNext("technique");
}
XMLElement textureElem = rootElem.GetChild("texture");
while (textureElem)
{
TextureUnit unit = TU_DIFFUSE;
if (textureElem.HasAttribute("unit"))
{
String unitName = textureElem.GetAttributeLower("unit");
if (unitName.Length() > 1)
{
unit = ParseTextureUnitName(unitName);
if (unit >= MAX_MATERIAL_TEXTURE_UNITS)
LOGERROR("Unknown or illegal texture unit " + unitName);
}
else
unit = (TextureUnit)Clamp(ToInt(unitName), 0, MAX_MATERIAL_TEXTURE_UNITS - 1);
}
if (unit != MAX_MATERIAL_TEXTURE_UNITS)
{
String name = textureElem.GetAttribute("name");
// Detect cube maps by file extension: they are defined by an XML file
if (GetExtension(name) == ".xml")
SetTexture(unit, cache->GetResource<TextureCube>(name));
else
SetTexture(unit, cache->GetResource<Texture2D>(name));
}
textureElem = textureElem.GetNext("texture");
}
XMLElement parameterElem = rootElem.GetChild("parameter");
while (parameterElem)
{
String name = parameterElem.GetAttribute("name");
Variant value = parameterElem.GetVectorVariant("value");
SetShaderParameter(name, value);
parameterElem = parameterElem.GetNext("parameter");
}
XMLElement cullElem = rootElem.GetChild("cull");
if (cullElem)
SetCullMode((CullMode)GetStringListIndex(cullElem.GetAttribute("value").CString(), cullModeNames, CULL_CCW));
XMLElement shadowCullElem = rootElem.GetChild("shadowcull");
if (shadowCullElem)
SetShadowCullMode((CullMode)GetStringListIndex(shadowCullElem.GetAttribute("value").CString(), cullModeNames, CULL_CCW));
XMLElement depthBiasElem = rootElem.GetChild("depthbias");
if (depthBiasElem)
SetDepthBias(BiasParameters(depthBiasElem.GetFloat("constant"), depthBiasElem.GetFloat("slopescaled")));
// Calculate memory use
unsigned memoryUse = sizeof(Material);
memoryUse += techniques_.Size() * sizeof(TechniqueEntry);
memoryUse += MAX_MATERIAL_TEXTURE_UNITS * sizeof(SharedPtr<Texture>);
memoryUse += shaderParameters_.Size() * sizeof(MaterialShaderParameter);
SetMemoryUse(memoryUse);
CheckOcclusion();
return true;
}
