Fix for #133

 * objects are now copied and textures are updated correctly
 * also added function to debug objects

3 files changed, 106 insertions, 8 deletions

diff --git a/src/graphics/engine/engine.cpp b/src/graphics/engine/engine.cpp
index 785383a..3423864 100644
--- a/src/graphics/engine/engine.cpp
+++ b/src/graphics/engine/engine.cpp
@@ -698,6 +698,82 @@ void CEngine::AddBaseObjQuick(int baseObjRank, const EngineBaseObjDataTier& buff
         p1.totalTriangles += p4.vertices.size() - 2;
 }
 
+void CEngine::DebugObject(int objRank)
+{
+    assert(objRank >= 0 && objRank < static_cast<int>( m_objects.size() ));
+
+    CLogger* l = GetLogger();
+
+    l->Debug("Debug object: %d\n", objRank);
+    if (! m_objects[objRank].used)
+    {
+        l->Debug(" not used\n");
+        return;
+    }
+
+    l->Debug(" baseObjRank = %d\n", m_objects[objRank].baseObjRank);
+    l->Debug(" visible = %s\n", m_objects[objRank].visible ? "true" : "false");
+    l->Debug(" drawWorld = %s\n", m_objects[objRank].drawWorld ? "true" : "false");
+    l->Debug(" drawFront = %s\n", m_objects[objRank].drawFront ? "true" : "false");
+    l->Debug(" type = %d\n", m_objects[objRank].type);
+    l->Debug(" distance = %f\n", m_objects[objRank].distance);
+    l->Debug(" shadowRank = %d\n", m_objects[objRank].shadowRank);
+    l->Debug(" transparency = %f\n", m_objects[objRank].transparency);
+
+    l->Debug(" baseObj:\n");
+    int baseObjRank = m_objects[objRank].baseObjRank;
+    if (baseObjRank == -1)
+    {
+        l->Debug("  null\n");
+        return;
+    }
+
+    assert(baseObjRank >= 0 && baseObjRank < static_cast<int>( m_baseObjects.size() ));
+
+    EngineBaseObject& p1 = m_baseObjects[baseObjRank];
+    if (!p1.used)
+    {
+        l->Debug("  not used\n");
+        return;
+    }
+
+    std::string vecStr;
+
+    vecStr = p1.bboxMin.ToString();
+    l->Debug("  bboxMin: %s\n", vecStr.c_str());
+    vecStr = p1.bboxMax.ToString();
+    l->Debug("  bboxMax: %s\n", vecStr.c_str());
+    l->Debug("  totalTriangles: %d\n", p1.totalTriangles);
+    l->Debug("  radius: %f\n", p1.radius);
+
+    for (int l2 = 0; l2 < static_cast<int>( p1.next.size() ); l2++)
+    {
+        EngineBaseObjTexTier& p2 = p1.next[l2];
+        l->Debug("  l2:\n");
+
+        l->Debug("   tex1: %s (id: %u)\n", p2.tex1Name.c_str(), p2.tex1.id);
+        l->Debug("   tex2: %s (id: %u)\n", p2.tex2Name.c_str(), p2.tex2.id);
+
+        for (int l3 = 0; l3 < static_cast<int>( p2.next.size() ); l3++)
+        {
+            EngineBaseObjLODTier& p3 = p2.next[l3];
+
+            l->Debug("    l3:\n");
+            l->Debug("     lodLevel: %d\n", p3.lodLevel);
+
+            for (int l4 = 0; l4 < static_cast<int>( p3.next.size() ); l4++)
+            {
+                EngineBaseObjDataTier& p4 = p3.next[l4];
+
+                l->Debug("     l4:\n");
+                l->Debug("      type: %d\n", p4.type);
+                l->Debug("      state: %d\n", p4.state);
+                l->Debug("      staticBufferId: %u\n", p4.staticBufferId);
+                l->Debug("      updateStaticBuffer: %s\n", p4.updateStaticBuffer ? "true" : "false");
+            }
+        }
+    }
+}
 
 int CEngine::CreateObject()
 {
@@ -986,14 +1062,19 @@ void CEngine::ChangeSecondTexture(int objRank, const std::string& tex2Name)
 
     for (int l2 = 0; l2 < static_cast<int>( p1.next.size() ); l2++)
     {
-        EngineBaseObjTexTier& p2 = p1.next[l2];
-
-        if (p2.tex2Name == tex2Name)
+        if (p1.next[l2].tex2Name == tex2Name)
             continue;  // already new
 
-        EngineBaseObjTexTier& newP2 = AddLevel2(p1, p2.tex1Name, tex2Name);
-        newP2.next.insert(newP2.next.end(), p2.next.begin(), p2.next.end());
-        p2.next.clear();
+        std::string tex1Name = p1.next[l2].tex1Name;
+        EngineBaseObjTexTier& newP2 = AddLevel2(p1, tex1Name, tex2Name);
+        newP2.next.insert(newP2.next.end(), p1.next[l2].next.begin(), p1.next[l2].next.end());
+        p1.next[l2].next.clear();
+
+        if (!newP2.tex1.Valid())
+            newP2.tex1 = LoadTexture(newP2.tex1Name);
+
+        if (!newP2.tex2.Valid())
+            newP2.tex2 = LoadTexture(newP2.tex2Name);
     }
 }
 
diff --git a/src/graphics/engine/engine.h b/src/graphics/engine/engine.h
index 27aa5dc..207ae27 100644
--- a/src/graphics/engine/engine.h
+++ b/src/graphics/engine/engine.h
@@ -118,7 +118,7 @@ enum EngineRenderState
     //! Mode for rendering text
     ENG_RSTATE_TEXT             = (1<<18),
     //! Only opaque texture, no blending, etc.
-    ENG_RSTATE_OPAQUE_TEXTURE     = (1<<19),
+    ENG_RSTATE_OPAQUE_TEXTURE   = (1<<19),
     //! Only opaque color, no texture, blending, etc.
     ENG_RSTATE_OPAQUE_COLOR     = (1<<20)
 };
@@ -807,6 +807,9 @@ public:
 
     // Objects
 
+    //! Print debug info about an object
+    void            DebugObject(int rank);
+
     //! Creates a new object and returns its rank
     int             CreateObject();
     //! Deletes all objects, shadows and ground spots
diff --git a/src/graphics/engine/pyro.cpp b/src/graphics/engine/pyro.cpp
index 0a85beb..93198ec 100644
--- a/src/graphics/engine/pyro.cpp
+++ b/src/graphics/engine/pyro.cpp
@@ -1556,7 +1556,14 @@ void CPyro::ExploStart()
     for (int i = 0; i < OBJECTMAXPART; i++)
     {
         int objRank = m_object->GetObjectRank(i);
-        if ( objRank == -1 )  continue;
+        if (objRank == -1)  continue;
+
+        // TODO: refactor later to material change
+        int oldBaseObjRank = m_engine->GetObjectBaseRank(objRank);
+        int newBaseObjRank = m_engine->CreateBaseObject();
+        m_engine->CopyBaseObject(oldBaseObjRank, newBaseObjRank);
+        m_engine->SetObjectBaseRank(objRank, newBaseObjRank);
+
         m_engine->ChangeSecondTexture(objRank, "dirty04.png");
 
         Math::Vector pos = m_object->GetPosition(i);
@@ -1618,6 +1625,13 @@ void CPyro::BurnStart()
     {
         int objRank = m_object->GetObjectRank(i);
         if (objRank == -1) continue;
+
+        // TODO: refactor later to material change
+        int oldBaseObjRank = m_engine->GetObjectBaseRank(objRank);
+        int newBaseObjRank = m_engine->CreateBaseObject();
+        m_engine->CopyBaseObject(oldBaseObjRank, newBaseObjRank);
+        m_engine->SetObjectBaseRank(objRank, newBaseObjRank);
+
         m_engine->ChangeSecondTexture(objRank, "dirty04.png");
     }
     m_engine->LoadTexture("dirty04.png");