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Material properties are accumulative along the node tree

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This commit is contained in:
Chris Robinson 2013-03-02 12:23:29 -08:00
parent 326ebb5010
commit fdfcd5bb47
1 changed files with 52 additions and 49 deletions
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101
components/nifogre/ogre_nif_loader.cpp
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@ -549,7 +549,10 @@ static void fail(const std::string &msg)
public: public:
static Ogre::String getMaterial(const Nif::NiTriShape *shape, const Ogre::String &name, const Ogre::String &group) static Ogre::String getMaterial(const Nif::NiTriShape *shape, const Ogre::String &name, const Ogre::String &group,
const Nif::NiTexturingProperty *texprop,
const Nif::NiMaterialProperty *matprop,
const Nif::NiAlphaProperty *alphaprop)
{ {
Ogre::MaterialManager &matMgr = Ogre::MaterialManager::getSingleton(); Ogre::MaterialManager &matMgr = Ogre::MaterialManager::getSingleton();
Ogre::MaterialPtr material = matMgr.getByName(name); Ogre::MaterialPtr material = matMgr.getByName(name);
@ -568,36 +571,11 @@ static Ogre::String getMaterial(const Nif::NiTriShape *shape, const Ogre::String
bool vertexColour = (shape->data->colors.size() != 0); bool vertexColour = (shape->data->colors.size() != 0);
// These are set below if present
const Nif::NiTexturingProperty *t = NULL;
const Nif::NiMaterialProperty *m = NULL;
const Nif::NiAlphaProperty *a = NULL;
// Scan the property list for material information
const Nif::PropertyList &list = shape->props;
for (size_t i = 0;i < list.length();i++)
{
// Entries may be empty
if (list[i].empty()) continue;
const Nif::Property *pr = list[i].getPtr();
if (pr->recType == Nif::RC_NiTexturingProperty)
t = static_cast<const Nif::NiTexturingProperty*>(pr);
else if (pr->recType == Nif::RC_NiMaterialProperty)
m = static_cast<const Nif::NiMaterialProperty*>(pr);
else if (pr->recType == Nif::RC_NiAlphaProperty)
a = static_cast<const Nif::NiAlphaProperty*>(pr);
else if (pr->recType == Nif::RC_NiStencilProperty)
/* unused */;
else
warn("Skipped property type: "+pr->recName);
}
// Texture // Texture
if (t && t->textures[0].inUse) if(texprop && texprop->textures[0].inUse)
{ {
Nif::NiSourceTexture *st = t->textures[0].texture.getPtr(); const Nif::NiSourceTexture *st = texprop->textures[0].texture.getPtr();
if (st->external) if(st->external)
{ {
/* Bethesda at some point converted all their BSA /* Bethesda at some point converted all their BSA
* textures from tga to dds for increased load speed, but all * textures from tga to dds for increased load speed, but all
@ -633,25 +611,25 @@ static Ogre::String getMaterial(const Nif::NiTriShape *shape, const Ogre::String
} }
// Alpha modifiers // Alpha modifiers
if (a) if(alphaprop)
{ {
alphaFlags = a->flags; alphaFlags = alphaprop->flags;
alphaTest = a->data.threshold; alphaTest = alphaprop->data.threshold;
} }
// Material // Material
if(m) if(matprop)
{ {
ambient = m->data.ambient; ambient = matprop->data.ambient;
diffuse = m->data.diffuse; diffuse = matprop->data.diffuse;
specular = m->data.specular; specular = matprop->data.specular;
emissive = m->data.emissive; emissive = matprop->data.emissive;
glossiness = m->data.glossiness; glossiness = matprop->data.glossiness;
alpha = m->data.alpha; alpha = matprop->data.alpha;
} }
Ogre::String matname = name; Ogre::String matname = name;
if (m || !texName.empty()) if(matprop || !texName.empty())
{ {
// Generate a hash out of all properties that can affect the material. // Generate a hash out of all properties that can affect the material.
size_t h = 0; size_t h = 0;
@ -749,7 +727,6 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
std::string mName; std::string mName;
std::string mGroup; std::string mGroup;
size_t mShapeIndex; size_t mShapeIndex;
std::string mMaterialName;
void warn(const std::string &msg) void warn(const std::string &msg)
{ {
@ -764,7 +741,10 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
// Convert NiTriShape to Ogre::SubMesh // Convert NiTriShape to Ogre::SubMesh
void handleNiTriShape(Ogre::Mesh *mesh, Nif::NiTriShape const *shape) void handleNiTriShape(Ogre::Mesh *mesh, Nif::NiTriShape const *shape,
const Nif::NiTexturingProperty *texprop,
const Nif::NiMaterialProperty *matprop,
const Nif::NiAlphaProperty *alphaprop)
{ {
Ogre::SkeletonPtr skel; Ogre::SkeletonPtr skel;
const Nif::NiTriShapeData *data = shape->data.getPtr(); const Nif::NiTriShapeData *data = shape->data.getPtr();
@ -962,15 +942,39 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
} }
} }
if(mMaterialName.length() > 0) std::string matname = NIFMaterialLoader::getMaterial(shape, mName, mGroup,
sub->setMaterialName(mMaterialName); texprop, matprop, alphaprop);
if(matname.length() > 0)
sub->setMaterialName(matname);
} }
bool findTriShape(Ogre::Mesh *mesh, Nif::Node const *node) bool findTriShape(Ogre::Mesh *mesh, const Nif::Node *node,
const Nif::NiTexturingProperty *texprop=NULL,
const Nif::NiMaterialProperty *matprop=NULL,
const Nif::NiAlphaProperty *alphaprop=NULL)
{ {
// Scan the property list for material information
const Nif::PropertyList &proplist = node->props;
for(size_t i = 0;i < proplist.length();i++)
{
// Entries may be empty
if(proplist[i].empty())
continue;
const Nif::Property *pr = proplist[i].getPtr();
if(pr->recType == Nif::RC_NiTexturingProperty)
texprop = static_cast<const Nif::NiTexturingProperty*>(pr);
else if(pr->recType == Nif::RC_NiMaterialProperty)
matprop = static_cast<const Nif::NiMaterialProperty*>(pr);
else if(pr->recType == Nif::RC_NiAlphaProperty)
alphaprop = static_cast<const Nif::NiAlphaProperty*>(pr);
else
warn("Unhandled property type: "+pr->recName);
}
if(node->recType == Nif::RC_NiTriShape && mShapeIndex == node->recIndex) if(node->recType == Nif::RC_NiTriShape && mShapeIndex == node->recIndex)
{ {
handleNiTriShape(mesh, dynamic_cast<const Nif::NiTriShape*>(node)); handleNiTriShape(mesh, dynamic_cast<const Nif::NiTriShape*>(node), texprop, matprop, alphaprop);
return true; return true;
} }
@ -982,7 +986,7 @@ class NIFMeshLoader : Ogre::ManualResourceLoader
{ {
if(!children[i].empty()) if(!children[i].empty())
{ {
if(findTriShape(mesh, children[i].getPtr())) if(findTriShape(mesh, children[i].getPtr(), texprop, matprop, alphaprop))
return true; return true;
} }
} }
@ -1015,7 +1019,7 @@ public:
return; return;
} }
Nif::Node const *node = dynamic_cast<const Nif::Node*>(nif->getRecord(mShapeIndex)); const Nif::Node *node = dynamic_cast<const Nif::Node*>(nif->getRecord(0));
findTriShape(mesh, node); findTriShape(mesh, node);
} }
@ -1066,7 +1070,6 @@ public:
NIFMeshLoader *loader = &sLoaders[fullname]; NIFMeshLoader *loader = &sLoaders[fullname];
*loader = *this; *loader = *this;
loader->mShapeIndex = shape->recIndex; loader->mShapeIndex = shape->recIndex;
loader->mMaterialName = NIFMaterialLoader::getMaterial(shape, fullname, mGroup);
mesh = meshMgr.createManual(fullname, mGroup, loader); mesh = meshMgr.createManual(fullname, mGroup, loader);
mesh->setAutoBuildEdgeLists(false); mesh->setAutoBuildEdgeLists(false);