1 files changed, 59 insertions, 4 deletions

diff --git a/thirdparty/assimp/code/PostProcessing/ValidateDataStructure.cpp b/thirdparty/assimp/code/PostProcessing/ValidateDataStructure.cpp
index 712fd6943d..75d1b6ef78 100644
--- a/thirdparty/assimp/code/PostProcessing/ValidateDataStructure.cpp
+++ b/thirdparty/assimp/code/PostProcessing/ValidateDataStructure.cpp
@@ -538,13 +538,17 @@ void ValidateDSProcess::Validate( const aiAnimation* pAnimation)
 {
     Validate(&pAnimation->mName);
 
-    // validate all materials
-    if (pAnimation->mNumChannels)
+    // validate all animations
+    if (pAnimation->mNumChannels || pAnimation->mNumMorphMeshChannels)
     {
-        if (!pAnimation->mChannels) {
+        if (!pAnimation->mChannels && pAnimation->mNumChannels) {
             ReportError("aiAnimation::mChannels is NULL (aiAnimation::mNumChannels is %i)",
                 pAnimation->mNumChannels);
         }
+        if (!pAnimation->mMorphMeshChannels && pAnimation->mNumMorphMeshChannels) {
+            ReportError("aiAnimation::mMorphMeshChannels is NULL (aiAnimation::mNumMorphMeshChannels is %i)",
+                pAnimation->mNumMorphMeshChannels);
+        }
         for (unsigned int i = 0; i < pAnimation->mNumChannels;++i)
         {
             if (!pAnimation->mChannels[i])
@@ -554,6 +558,15 @@ void ValidateDSProcess::Validate( const aiAnimation* pAnimation)
             }
             Validate(pAnimation, pAnimation->mChannels[i]);
         }
+        for (unsigned int i = 0; i < pAnimation->mNumMorphMeshChannels;++i)
+        {
+            if (!pAnimation->mMorphMeshChannels[i])
+            {
+                ReportError("aiAnimation::mMorphMeshChannels[%i] is NULL (aiAnimation::mNumMorphMeshChannels is %i)",
+                    i, pAnimation->mNumMorphMeshChannels);
+            }
+            Validate(pAnimation, pAnimation->mMorphMeshChannels[i]);
+        }
     }
     else {
     	ReportError("aiAnimation::mNumChannels is 0. At least one node animation channel must be there.");
@@ -903,6 +916,48 @@ void ValidateDSProcess::Validate( const aiAnimation* pAnimation,
     }
 }
 
+void ValidateDSProcess::Validate( const aiAnimation* pAnimation,
+     const aiMeshMorphAnim* pMeshMorphAnim)
+{
+    Validate(&pMeshMorphAnim->mName);
+
+    if (!pMeshMorphAnim->mNumKeys) {
+        ReportError("Empty mesh morph animation channel");
+    }
+
+    // otherwise check whether one of the keys exceeds the total duration of the animation
+    if (pMeshMorphAnim->mNumKeys)
+    {
+        if (!pMeshMorphAnim->mKeys)
+        {
+            ReportError("aiMeshMorphAnim::mKeys is NULL (aiMeshMorphAnim::mNumKeys is %i)",
+                pMeshMorphAnim->mNumKeys);
+        }
+        double dLast = -10e10;
+        for (unsigned int i = 0; i < pMeshMorphAnim->mNumKeys;++i)
+        {
+            // ScenePreprocessor will compute the duration if still the default value
+            // (Aramis) Add small epsilon, comparison tended to fail if max_time == duration,
+            //  seems to be due the compilers register usage/width.
+            if (pAnimation->mDuration > 0. && pMeshMorphAnim->mKeys[i].mTime > pAnimation->mDuration+0.001)
+            {
+                ReportError("aiMeshMorphAnim::mKeys[%i].mTime (%.5f) is larger "
+                    "than aiAnimation::mDuration (which is %.5f)",i,
+                    (float)pMeshMorphAnim->mKeys[i].mTime,
+                    (float)pAnimation->mDuration);
+            }
+            if (i && pMeshMorphAnim->mKeys[i].mTime <= dLast)
+            {
+                ReportWarning("aiMeshMorphAnim::mKeys[%i].mTime (%.5f) is smaller "
+                    "than aiMeshMorphAnim::mKeys[%i] (which is %.5f)",i,
+                    (float)pMeshMorphAnim->mKeys[i].mTime,
+                    i-1, (float)dLast);
+            }
+            dLast = pMeshMorphAnim->mKeys[i].mTime;
+        }
+    }
+}
+
 // ------------------------------------------------------------------------------------------------
 void ValidateDSProcess::Validate( const aiNode* pNode)
 {
@@ -958,7 +1013,7 @@ void ValidateDSProcess::Validate( const aiString* pString)
 {
     if (pString->length > MAXLEN)
     {
-        ReportError("aiString::length is too large (%lu, maximum is %lu)",
+        ReportError("aiString::length is too large (%u, maximum is %lu)",
             pString->length,MAXLEN);
     }
     const char* sz = pString->data;