Animation system in progress

--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%40176

KREngine/KREngine/Classes/KRAnimation.cpp

@@ -30,12 +30,17 @@
 //
 
 #include "KRAnimation.h"
+#include "KRAnimationManager.h"
+#include "KRContext.h"
 #import "tinyxml2.h"
 
 KRAnimation::KRAnimation(KRContext &context, std::string name) : KRResource(context, name)
 {
     m_auto_play = true;
     m_loop = true;
+    m_playing = true;
+    m_local_time = 0.0f;
+    m_duration = 0.0f;
 }
 KRAnimation::~KRAnimation()
 {
@@ -59,6 +64,7 @@ bool KRAnimation::save(const std::string& path) {
     doc.InsertEndChild(animation_node);
     animation_node->SetAttribute("loop", m_loop ? "true" : "false");
     animation_node->SetAttribute("auto_play", m_auto_play ? "true" : "false");
+    animation_node->SetAttribute("duration", m_duration);
     
     for(std::map<std::string, KRAnimationLayer *>::iterator itr = m_layers.begin(); itr != m_layers.end(); ++itr){
         (*itr).second->saveXML(animation_node);
@@ -78,6 +84,10 @@ KRAnimation *KRAnimation::Load(KRContext &context, const std::string &name, KRDa
     
     tinyxml2::XMLElement *animation_node = doc.RootElement();
     
+    if(animation_node->QueryFloatAttribute("duration", &new_animation->m_duration) != tinyxml2::XML_SUCCESS) {
+        new_animation->m_duration = 0.0f; // Default value
+    }
+    
     if(animation_node->QueryBoolAttribute("loop", &new_animation->m_loop) != tinyxml2::XML_SUCCESS) {
         new_animation->m_loop = true; // Default value
     }
@@ -94,6 +104,10 @@ KRAnimation *KRAnimation::Load(KRContext &context, const std::string &name, KRDa
         }
     }
     
+    if(new_animation->m_auto_play) {
+        new_animation->m_playing = true;
+    }
+    
 //    KRNode *n = KRNode::LoadXML(*new_scene, scene_element->FirstChildElement());
     
     delete data;
@@ -110,3 +124,50 @@ KRAnimationLayer *KRAnimation::getLayer(const char *szName)
 {
     return m_layers[szName];
 }
+
+void KRAnimation::update(float deltaTime)
+{
+    if(m_playing) {
+        m_local_time += deltaTime;
+    }
+    if(m_local_time > m_duration) {
+        m_local_time -= m_duration;
+    }
+}
+
+void KRAnimation::Play()
+{
+    m_local_time = 0.0f;
+    m_playing = true;
+    getContext().getAnimationManager()->updateActiveAnimations(this);
+}
+void KRAnimation::Stop()
+{
+    m_playing = false;
+    getContext().getAnimationManager()->updateActiveAnimations(this);
+}
+
+float KRAnimation::getTime()
+{
+    return m_local_time;
+}
+
+void KRAnimation::setTime(float time)
+{
+    m_local_time = time;
+}
+
+float KRAnimation::getDuration()
+{
+    return m_duration;
+}
+
+void KRAnimation::setDuration(float duration)
+{
+    m_duration = duration;
+}
+
+bool KRAnimation::isPlaying()
+{
+    return m_playing;
+}

KREngine/KREngine/Classes/KRAnimation.h

@@ -53,14 +53,21 @@ public:
     void addLayer(KRAnimationLayer *layer);
     std::map<std::string, KRAnimationLayer *> &getLayers();
     KRAnimationLayer *getLayer(const char *szName);
-    void Start();
+    void Play();
     void Stop();
-    void Restart();
-    
+    void update(float deltaTime);
+    float getTime();
+    void setTime(float time);
+    float getDuration();
+    void setDuration(float duration);
+    bool isPlaying();
 private:
     std::map<std::string, KRAnimationLayer *> m_layers;
     bool m_auto_play;
     bool m_loop;
+    bool m_playing;
+    float m_local_time;
+    float m_duration;
 };
 
 

KREngine/KREngine/Classes/KRAnimationManager.cpp

@@ -43,7 +43,15 @@ KRAnimationManager::~KRAnimationManager() {
     }
 }
 
-void KRAnimationManager::startFrame()
+void KRAnimationManager::startFrame(float deltaTime)
+{
+    for(std::set<KRAnimation *>::iterator active_animations_itr = m_activeAnimations.begin(); active_animations_itr != m_activeAnimations.end(); active_animations_itr++) {
+        KRAnimation *animation = *active_animations_itr;
+        animation->update(deltaTime);
+    }
+}
+
+void KRAnimationManager::endFrame(float deltaTime)
 {
     
 }
@@ -66,5 +74,22 @@ std::map<std::string, KRAnimation *> &KRAnimationManager::getAnimations() {
 void KRAnimationManager::addAnimation(KRAnimation *new_animation)
 {
     m_animations[new_animation->getName()] = new_animation;
+    updateActiveAnimations(new_animation);
+}
+
+void KRAnimationManager::updateActiveAnimations(KRAnimation *animation)
+{
+    std::set<KRAnimation *>::iterator active_animations_itr = m_activeAnimations.find(animation);
+    if(animation->isPlaying()) {
+        // Add playing animations to the active animations list
+        if(active_animations_itr == m_activeAnimations.end()) {
+            m_activeAnimations.insert(animation);
+        }
+    } else {
+        // Remove stopped animations from the active animations list
+        if(active_animations_itr != m_activeAnimations.end()) {
+            m_activeAnimations.erase(active_animations_itr);
+        }
+    }
 }
 

KREngine/KREngine/Classes/KRAnimationManager.h

@@ -39,9 +39,11 @@
 #include "KRDataBlock.h"
 
 #include <map>
+#include <set>
 #import <string>
 
 using std::map;
+using std::set;
 
 class KRAnimationManager : public KRContextObject {
 public:
@@ -53,10 +55,14 @@ public:
     void addAnimation(KRAnimation *new_animation);
     std::map<std::string, KRAnimation *> &getAnimations();
     
-    void startFrame();
+    void startFrame(float deltaTime);
+    void endFrame(float deltaTime);
+    
+    void updateActiveAnimations(KRAnimation *animation);
     
 private:
-    map<std::string, KRAnimation *> m_animations;    
+    map<std::string, KRAnimation *> m_animations;
+    set<KRAnimation *>m_activeAnimations;
 };
 
 

KREngine/KREngine/Classes/KRContext.cpp

@@ -121,6 +121,10 @@ void KRContext::loadResource(const std::string &file_name, KRDataBlock *data) {
         m_pModelManager->loadModel(name.c_str(), data);
     } else if(extension.compare("krscene") == 0) {
         m_pSceneManager->loadScene(name.c_str(), data);
+    } else if(extension.compare("kranimation") == 0) {
+        m_pAnimationManager->loadAnimation(name.c_str(), data);
+    } else if(extension.compare("kranimatinocurve") == 0) {
+        m_pAnimationCurveManager->loadAnimationCurve(name.c_str(), data);
     } else if(extension.compare("pvr") == 0) {
         m_pTextureManager->loadTexture(name.c_str(), extension.c_str(), data);
     } else if(extension.compare("tga") == 0) {
@@ -161,15 +165,16 @@ void KRContext::detectExtensions() {
     
 }
 
-void KRContext::startFrame()
+void KRContext::startFrame(float deltaTime)
 {
-    m_pTextureManager->startFrame();
-    m_pAnimationManager->startFrame();
+    m_pTextureManager->startFrame(deltaTime);
+    m_pAnimationManager->startFrame(deltaTime);
 }
 
 void KRContext::endFrame(float deltaTime)
 {
-    m_pTextureManager->endFrame();
+    m_pTextureManager->endFrame(deltaTime);
+    m_pAnimationManager->endFrame(deltaTime);
     rotateBuffers(true);
     m_current_frame++;
     m_absolute_time += deltaTime;

KREngine/KREngine/Classes/KRContext.h

@@ -60,7 +60,7 @@ public:
     static const char * extension_names[KRENGINE_NUM_EXTENSIONS];
     static bool extension_available[KRENGINE_NUM_EXTENSIONS];
     
-    void startFrame();
+    void startFrame(float deltaTime);
     void endFrame(float deltaTime);
     
     long getCurrentFrame() const;

KREngine/KREngine/Classes/KREngine.mm

@@ -169,7 +169,7 @@ float const PI = 3.141592653589793f;
 
 - (void)renderScene: (KRScene *)pScene WithViewMatrix: (KRMat4)viewMatrix AndDeltaTime: (float)deltaTime
 {
-    _context->startFrame();
+    _context->startFrame(deltaTime);
     _camera->renderFrame(*pScene, viewMatrix, deltaTime);
     _context->endFrame(deltaTime);
 }

KREngine/KREngine/Classes/KRResource+fbx.cpp

@@ -316,6 +316,7 @@ KRAnimation *LoadAnimation(KRContext &context, FbxAnimStack* pAnimStack)
         
     KRAnimation *new_animation = new KRAnimation(context, pAnimStack->GetName());
     int cLayers = pAnimStack->GetMemberCount<FbxAnimLayer>();
+    new_animation->setDuration(pAnimStack->LocalStop.Get().GetSecondDouble());
     for(int iLayer=0; iLayer < cLayers; iLayer++) {
         new_animation->addLayer(LoadAnimationLayer(context, pAnimStack->GetMember<FbxAnimLayer>(iLayer)));
     }

KREngine/KREngine/Classes/KRTextureManager.cpp

@@ -142,14 +142,14 @@ long KRTextureManager::getMemUsed() {
     return m_textureMemUsed;
 }
 
-void KRTextureManager::startFrame()
+void KRTextureManager::startFrame(float deltaTime)
 {
     m_memoryTransferredThisFrame = 0;
     balanceTextureMemory();
     rotateBuffers();
 }
 
-void KRTextureManager::endFrame()
+void KRTextureManager::endFrame(float deltaTime)
 {
     for(int iTexture=0; iTexture < KRENGINE_MAX_TEXTURE_UNITS; iTexture++) {
         if(m_boundTextures[iTexture]) {

KREngine/KREngine/Classes/KRTextureManager.h

@@ -62,8 +62,8 @@ public:
     
     void memoryChanged(long memoryDelta);
     
-    void startFrame();
-    void endFrame();
+    void startFrame(float deltaTime);
+    void endFrame(float deltaTime);
     
 private:
     long m_memoryTransferredThisFrame;