Animated textures updated for compatibility with asynchronous texture streamer

--HG--
branch : nfb

KREngine/kraken/KRTextureAnimated.cpp

@@ -47,7 +47,7 @@ KRTextureAnimated::KRTextureAnimated(KRContext &context, std::string name) : KRT
     int second_comma_pos = name.find(",", first_comma_pos + 1);
     
     
-    m_texture_base_name = name.substr(8, first_comma_pos - 9);
+    m_texture_base_name = name.substr(8, first_comma_pos - 8);
     m_frame_count = atoi(name.substr(first_comma_pos+1, second_comma_pos - first_comma_pos -1).c_str());
     m_frame_rate = atof(name.substr(second_comma_pos+1).c_str());
     
@@ -87,17 +87,7 @@ bool KRTextureAnimated::createGLTexture(int lod_max_dim)
 
 long KRTextureAnimated::getMemRequiredForSize(int max_dim)
 {
-    int target_dim = max_dim;
-    if(target_dim < m_min_lod_max_dim) target_dim = m_min_lod_max_dim;
-    
-    long memoryRequired = 0;
-    for(int i=0; i<m_frame_count; i++) {
-        KRTexture2D *frame_texture = textureForFrame(i);
-        if(frame_texture) {
-            memoryRequired += frame_texture->getMemRequiredForSize(target_dim);
-        }
-    }
-    return memoryRequired;
+    return 0; // Memory is allocated by individual frame textures
 }
 
 
@@ -108,12 +98,14 @@ void KRTextureAnimated::resetPoolExpiry()
         KRTexture2D *frame_texture = textureForFrame(i);
         if(frame_texture) {
             frame_texture->resetPoolExpiry(); // Ensure that frames of animated textures do not expire from the texture pool prematurely, as they are referenced indirectly
+            getContext().getTextureManager()->primeTexture(frame_texture);
         }
     }
 }
 
 void KRTextureAnimated::bind(GLuint texture_unit)
 {
+    resetPoolExpiry();
     KRTexture::bind(texture_unit);
     int frame_number = (int)floor(fmodf(getContext().getAbsoluteTime() * m_frame_rate,m_frame_count));
     KRTexture2D *frame_texture = textureForFrame(frame_number);
@@ -154,3 +146,7 @@ bool KRTextureAnimated::save(KRDataBlock &data)
     return true; // Animated textures are just references; there are no files to output
 }
 
+void KRTextureAnimated::resize(int max_dim)
+{
+    // Purposely not calling the superclass method
+}

KREngine/kraken/KRTextureAnimated.h

@@ -50,6 +50,7 @@ public:
     virtual long getReferencedMemSize();
     
     virtual bool isAnimated();
+    virtual void resize(int max_dim);
     
 private:
     virtual bool createGLTexture(int lod_max_dim);

KREngine/kraken/KRTextureManager.cpp

@@ -161,7 +161,7 @@ KRTexture *KRTextureManager::getTexture(const std::string &name) {
     if(itr == m_textures.end()) {
         if(lowerName.length() <= 8) {
             return NULL;
-        } else if(lowerName.substr(8).compare("animate:") == 0) {
+        } else if(lowerName.compare(0, 8, "animate:", 0, 8) == 0) {
             // This is an animated texture, create KRTextureAnimated's on-demand
             KRTextureAnimated *pTexture = new KRTextureAnimated(getContext(), lowerName);
             m_textures[lowerName] = pTexture;
@@ -185,10 +185,8 @@ void KRTextureManager::selectTexture(int iTextureUnit, KRTexture *pTexture) {
     if(m_boundTextures[iTextureUnit] != pTexture || is_animated) {
         _setActiveTexture(iTextureUnit);
         if(pTexture != NULL) {
-            m_poolTextures.erase(pTexture);
-            if(m_activeTextures.find(pTexture) == m_activeTextures.end()) {
-                m_activeTextures.insert(pTexture);
-            }
+            primeTexture(pTexture);
+
             pTexture->bind(iTextureUnit);
 
         } else {
@@ -199,6 +197,14 @@ void KRTextureManager::selectTexture(int iTextureUnit, KRTexture *pTexture) {
 
 }
 
+void KRTextureManager::primeTexture(KRTexture *pTexture)
+{
+    m_poolTextures.erase(pTexture);
+    if(m_activeTextures.find(pTexture) == m_activeTextures.end()) {
+        m_activeTextures.insert(pTexture);
+    }
+}
+
 long KRTextureManager::getMemUsed() {
     return m_textureMemUsed;
 }

KREngine/kraken/KRTextureManager.h

@@ -46,6 +46,7 @@ public:
     KRTextureManager(KRContext &context);
     virtual ~KRTextureManager();
     
+    void primeTexture(KRTexture *pTexture);
     void selectTexture(int iTextureUnit, KRTexture *pTexture);
     
     KRTexture *loadTexture(const char *szName, const char *szExtension, KRDataBlock *data);