void RenderPathCommand::Load(const XMLElement& element)
{
type_ = (RenderCommandType)GetStringListIndex(element.GetAttributeLower("type").CString(), commandTypeNames, CMD_NONE);
tag_ = element.GetAttribute("tag");
if (element.HasAttribute("enabled"))
enabled_ = element.GetBool("enabled");
if (element.HasAttribute("metadata"))
metadata_ = element.GetAttribute("metadata");
switch (type_)
{
case CMD_CLEAR:
if (element.HasAttribute("color"))
{
clearFlags_ |= CLEAR_COLOR;
// Mark fog color with negative values
if (element.GetAttributeLower("color") == "fog")
useFogColor_ = true;
else
clearColor_ = element.GetColor("color");
}
if (element.HasAttribute("depth"))
{
clearFlags_ |= CLEAR_DEPTH;
clearDepth_ = element.GetFloat("depth");
}
if (element.HasAttribute("stencil"))
{
clearFlags_ |= CLEAR_STENCIL;
clearStencil_ = element.GetInt("stencil");
}
break;
case CMD_SCENEPASS:
pass_ = element.GetAttribute("pass");
sortMode_ = (RenderCommandSortMode)GetStringListIndex(element.GetAttributeLower("sort").CString(), sortModeNames, SORT_FRONTTOBACK);
if (element.HasAttribute("marktostencil"))
markToStencil_ = element.GetBool("marktostencil");
if (element.HasAttribute("vertexlights"))
vertexLights_ = element.GetBool("vertexlights");
if (element.HasAttribute("usescissor"))
useScissor_ = element.GetBool("usescissor");
break;
case CMD_FORWARDLIGHTS:
pass_ = element.GetAttribute("pass");
if (element.HasAttribute("uselitbase"))
useLitBase_ = element.GetBool("uselitbase");
break;
case CMD_LIGHTVOLUMES:
case CMD_QUAD:
vertexShaderName_ = element.GetAttribute("vs");
pixelShaderName_ = element.GetAttribute("ps");
if (type_ == CMD_QUAD)
{
XMLElement parameterElem = element.GetChild("parameter");
while (parameterElem)
{
String name = parameterElem.GetAttribute("name");
Variant value = parameterElem.GetVectorVariant("value");
shaderParameters_[name] = value;
parameterElem = parameterElem.GetNext("parameter");
}
}
break;
default:
break;
}
// By default use 1 output, which is the viewport
outputNames_.Push("viewport");
if (element.HasAttribute("output"))
outputNames_[0] = element.GetAttribute("output");
// Check for defining multiple outputs
XMLElement outputElem = element.GetChild("output");
while (outputElem)
{
unsigned index = outputElem.GetInt("index");
if (index < MAX_RENDERTARGETS)
{
if (index >= outputNames_.Size())
outputNames_.Resize(index + 1);
outputNames_[index] = outputElem.GetAttribute("name");
}
outputElem = outputElem.GetNext("output");
}
XMLElement textureElem = element.GetChild("texture");
while (textureElem)
{
TextureUnit unit = TU_DIFFUSE;
if (textureElem.HasAttribute("unit"))
{
String unitName = textureElem.GetAttributeLower("unit");
if (unitName.Length() > 1)
unit = ParseTextureUnitName(unitName);
else
unit = (TextureUnit)Clamp(ToInt(unitName), 0, MAX_TEXTURE_UNITS - 1);
}
if (unit < MAX_TEXTURE_UNITS)
{
String name = textureElem.GetAttribute("name");
textureNames_[unit] = name;
}
textureElem = textureElem.GetNext("texture");
}
}
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;
}
