reading animations

CMakeLists.txt

@@ -15,7 +15,7 @@ set(GUI text.cpp)
 set(UTILS util.cpp)
 set(MATH quaternion.cpp vector.cpp matrix.cpp ray.cpp)
 set(RENDER lineRenderer.cpp particleEmitter.cpp camera.cpp light.cpp material.cpp mesh.cpp model.cpp node.cpp quad.cpp box.cpp root.cpp shader.cpp texture.cpp)
-set(ANIM animationController.cpp animationChannel.cpp animation.cpp animatable.h keyframeChannel.cpp driver.cpp)
+set(ANIM animationController.cpp animationChannel.cpp animation.cpp animatable.cpp keyframeChannel.cpp driver.cpp)
 set(ARMATURE skeleton.cpp bone.cpp ikSolver.cpp)
 set(ASSET_READERS abstractAssetReader.cpp imageReader.cpp fontReader.cpp modelReader.cpp assimpModelReader.cpp vbModelReader.cpp xmlModelReader.cpp)
 set(ASSET_MANAGER assetManager.cpp textAsset.h imageAsset.h modelAsset.h fontAsset.h)

animatable.cpp

@@ -0,0 +1,9 @@
+#include "animatable.h"
+
+namespace vb01{
+		using namespace std;
+
+		Animatable::Animatable(string name){
+				this->name = name;
+		}
+}

animatable.h

@@ -6,8 +6,11 @@
 namespace vb01{
 	class Animatable{
 		public:
-			Animatable(){}
+			Animatable(std::string = "");
 			virtual void animate(float, KeyframeChannel){}
+			inline std::string getName(){return name;}
+		protected:
+			std::string name;
 	};
 }
 

animationChannel.cpp

@@ -35,6 +35,7 @@ namespace vb01{
 
 		Animation *animation = controller->getAnimation(animName);
 		const vector<KeyframeChannel> &keyframeChannels = animation->getKeyframeChannels();
+
 		for(KeyframeChannel ch : keyframeChannels)
 			for(Keyframe k : ch.keyframes)
 				keyframes.push_back(k);
@@ -48,6 +49,7 @@ namespace vb01{
 
 		for(int i = 0; i < keyframes.size(); i++){
 			int curFrameNum = keyframes[i].frame;
+
 			if(maxKeyframeNum < curFrameNum)
 				maxKeyframeNum = curFrameNum;
 		}
@@ -61,6 +63,7 @@ namespace vb01{
 
 		for(int i = 0; i < keyframes.size(); i++){
 			int curFrameNum = keyframes[i].frame;
+
 			if(minKeyframeNum > curFrameNum)
 				minKeyframeNum = curFrameNum;
 		}

bone.h

@@ -27,7 +27,6 @@ namespace vb01{
 			inline void setIkFromTail(bool ikFromTail){this->ikFromTail = ikFromTail;}
 			inline void setSkeleton(Skeleton *sk){this->skeleton = sk;}
 			inline Vector3 getInitAxis(int i){return initAxis[i];}
-			inline std::string getName(){return name;}
 			inline Vector3 getRestPos(){return restPos;}
 			inline Quaternion getRestRot(){return restRot;}
 			inline Vector3 getRestScale(){return restScale;}

keyframeChannel.cpp

@@ -5,6 +5,7 @@ using namespace std;
 namespace vb01{
 	float KeyframeChannel::interpolate(Keyframe pastKeyframe, Keyframe nextKeyframe, float ratio){
 		float currentValue;
+
 		switch(pastKeyframe.interpolation){
 			case Keyframe::CONSTANT:
 				currentValue = pastKeyframe.value;
@@ -17,12 +18,14 @@ namespace vb01{
 				currentValue = interpolateBezier(points, ratio);
 				break;
 		}
+
 		return currentValue;
 	}
 
 	float KeyframeChannel::interpolateBezier(vector<float> points, float ratio){
 		int numPoints = points.size();
 		vector<float> newPoints;
+
 		for(int i = 0; i < numPoints - 1; i++)
 			newPoints.push_back(points[i] + (points[i + 1] - points[i]) * ratio);
 		
@@ -34,6 +37,7 @@ namespace vb01{
 
 	KeyframeChannelType KeyframeChannel::getKeyframeChannelType(string typeString){
 		KeyframeChannelType type;
+
 		if(typeString == "pos_x")
 			type = KeyframeChannelType::POS_X;
 		else if(typeString == "pos_y")
@@ -66,17 +70,34 @@ namespace vb01{
 			type = KeyframeChannelType::SHAPE_KEY_VALUE;
 		else if(typeString == "shape_key_max")
 			type = KeyframeChannelType::SHAPE_KEY_MAX;
+
 		return type;
 	}
 
+	Keyframe::Interpolation KeyframeChannel::getKeyframeInterpolationType(string interpString){
+			Keyframe::Interpolation interpolation;
+
+		if(interpString == "BEZIER")
+				interpolation = Keyframe::Interpolation::BEZIER;
+		else if(interpString == "LINEAR")
+				interpolation = Keyframe::Interpolation::LINEAR;
+		else if(interpString == "CONSTANT")
+				interpolation = Keyframe::Interpolation::CONSTANT;
+
+		return interpolation;
+	}
+
 	Keyframe KeyframeChannel::findKeyframe(float time, KeyframeChannel keyframeChannel, bool last){
 		int pastKeyframeId = -1;
+
 		for(int i = 0; i < keyframeChannel.keyframes.size(); i++){
 			Keyframe keyframe = keyframeChannel.keyframes[i];
+
 			if(time >= keyframe.frame){
 				pastKeyframeId = i;
 			}
 		}
+
 		return keyframeChannel.keyframes[pastKeyframeId + (last ? 0 : 1)];
 	}
 

keyframeChannel.h

@@ -68,6 +68,7 @@ namespace vb01{
 		std::vector<Keyframe> keyframes;
 
 		static float interpolateBezier(std::vector<float>, float);
+		static Keyframe::Interpolation getKeyframeInterpolationType(std::string);
 		static KeyframeChannel::Type getKeyframeChannelType(std::string);
 		static float interpolate(Keyframe, Keyframe, float); 
 		static Keyframe findKeyframe(float, KeyframeChannel, bool);

light.cpp

@@ -15,7 +15,7 @@ using namespace glm;
 using namespace std;
 
 namespace vb01{
-	Light::Light(Type t){
+	Light::Light(Type t, string name) : Animatable(name){
 		this->type = t;
 
 		initDepthMap();

light.h

@@ -17,7 +17,7 @@ namespace vb01{
 		public:
 			enum Type{POINT, DIRECTIONAL, SPOT, AMBIENT};
 
-			Light(Type);
+			Light(Type, std::string = "");
 			~Light();
 			void update();
 			inline void setNode(Node *node){this->node = node;}

material.h

@@ -15,6 +15,21 @@ namespace vb01{
 	class Material : public Animatable{
 		public:
 			struct Uniform : public Animatable{
+					enum Type{
+							INT,
+						 	BOOL,
+						 	FLOAT,
+						 	VECTOR_2,
+						 	VECTOR_3,
+						 	VECTOR_4,
+						 	TEXTURE
+					};
+
+					Uniform(std::string name, Type type) : Animatable(name){
+							this->name = name;
+							this->type = type;
+					}
+ 
 					void animate(float val, KeyframeChannel channel){
 							switch(channel.type){
 									case KeyframeChannel::UNIFORM_1:
@@ -32,16 +47,6 @@ namespace vb01{
 							}
 					}
 
-					enum Type{
-							INT,
-						 	BOOL,
-						 	FLOAT,
-						 	VECTOR_2,
-						 	VECTOR_3,
-						 	VECTOR_4,
-						 	TEXTURE
-					};
-
 					std::string name;
 					Type type;
 
@@ -55,10 +60,8 @@ namespace vb01{
 			struct IntUniform : public Uniform{
 					int value;
 
-					IntUniform(std::string name, int value){
+					IntUniform(std::string name, int value) : Uniform(name, Uniform::INT){
-							this->name = name;
 							this->value = value;
-							this->type = Uniform::INT;
 					}
 
 					void animateComponent1(float val){value = (int)val;}
@@ -67,10 +70,8 @@ namespace vb01{
 			struct BoolUniform : public Uniform{
 					bool value;
 
-					BoolUniform(std::string name, bool value){
+					BoolUniform(std::string name, bool value) : Uniform(name, Uniform::BOOL){
-							this->name = name;
 							this->value = value;
-							this->type = Uniform::BOOL;
 					}
 
 					void animateComponent1(float val){value = (bool)val;}
@@ -79,10 +80,8 @@ namespace vb01{
 			struct FloatUniform : public Uniform{
 					float value;
 
-					FloatUniform(std::string name, float value){
+					FloatUniform(std::string name, float value) : Uniform(name, Uniform::FLOAT){
-							this->name = name;
 							this->value = value;
-							this->type = Uniform::FLOAT;
 					}
 
 					void animateComponent1(float val){value = val;}
@@ -91,10 +90,8 @@ namespace vb01{
 			struct Vector2Uniform : public Uniform{
 					Vector2 value;
 
-					Vector2Uniform(std::string name, Vector2 value){
+					Vector2Uniform(std::string name, Vector2 value) : Uniform(name, Uniform::VECTOR_2){
-							this->name = name;
 							this->value = value;
-							this->type = Uniform::VECTOR_2;
 					}
 
 					void animateComponent1(float val){value.x = val;}
@@ -105,10 +102,8 @@ namespace vb01{
 			struct Vector3Uniform : public Uniform{
 					Vector3 value;
 
-					Vector3Uniform(std::string name, Vector3 value){
+					Vector3Uniform(std::string name, Vector3 value) : Uniform(name, Uniform::VECTOR_3){
-							this->name = name;
 							this->value = value;
-							this->type = Uniform::VECTOR_3;
 					}
 
 					void animateComponent1(float val){value.x = val;}
@@ -121,10 +116,8 @@ namespace vb01{
 			struct Vector4Uniform : public Uniform{
 					Vector4 value;
 
-					Vector4Uniform(std::string name, Vector4 value){
+					Vector4Uniform(std::string name, Vector4 value) : Uniform(name, Uniform::VECTOR_4){
-							this->name = name;
 							this->value = value;
-							this->type = Uniform::VECTOR_4;
 					}
 
 					void animateComponent1(float val){value.x = val;}
@@ -140,11 +133,9 @@ namespace vb01{
 					Texture *value = nullptr;
 					bool animatable = false;
 
-					TextureUniform(std::string name, Texture *value, bool animatable){
+					TextureUniform(std::string name, Texture *value, bool animatable) : Uniform(name, Uniform::TEXTURE){
-							this->name = name;
 							this->value = value;
 							this->animatable = animatable;
-							this->type = Uniform::TEXTURE;
 					}
 			};
 

mesh.cpp

@@ -33,7 +33,7 @@ namespace vb01{
 
 	Mesh::Mesh(){}
 
-	Mesh::Mesh(Vertex *vertices, unsigned int *indices, int numTris, string *vertexGroups, int numVertexGroups, ShapeKey *shapeKeys, int numShapeKeys, string name) : Animatable(){
+	Mesh::Mesh(Vertex *vertices, unsigned int *indices, int numTris, string *vertexGroups, int numVertexGroups, ShapeKey *shapeKeys, int numShapeKeys, string name){
 		this->vertices = vertices;
 		this->indices = indices;
 		this->numTris = numTris;

mesh.h

@@ -14,7 +14,7 @@ namespace vb01{
 	class Texture;
 	class Skeleton;
 
-	class Mesh : public Animatable{
+	class Mesh{
 		public:
 			struct ShapeKey : public Animatable{
 				std::string name;

node.cpp

@@ -16,11 +16,10 @@ using namespace std;
 using namespace glm;
 
 namespace vb01{
-	Node::Node(Vector3 pos, Quaternion orientation, Vector3 scale, string name) : Animatable(){
+	Node::Node(Vector3 pos, Quaternion orientation, Vector3 scale, string name) : Animatable(name){
 		this->pos = pos;
 		this->scale = scale;
 		this->orientation = orientation;
-		this->name = name;
 
 		globalAxis[0] = Vector3::VEC_I;
 		globalAxis[1] = Vector3::VEC_J;

node.h

@@ -64,7 +64,6 @@ namespace vb01{
 			inline int getNumChildren(){return children.size();}
 			inline Quaternion getOrientation(){return orientation;}
 			inline bool isVisible(){return visible;}
-			inline std::string getName(){return name;}
 			inline void setVisible(bool v){this->visible = v;}
 			inline void addDriver(Driver *d){drivers.push_back(d);}
 		private:
@@ -87,7 +86,6 @@ namespace vb01{
 			std::vector<Light*> lights;
 			std::vector<Text*> texts;
 			std::vector<Skeleton*> skeletons;
-			std::string name;
 			Node *parent = nullptr;
 	};
 }

texture.cpp

@@ -15,7 +15,7 @@
 using namespace std;
 
 namespace vb01{
-	Texture::Texture(int width, int height, bool shadowMap){
+	Texture::Texture(int width, int height, bool shadowMap) : Animatable(){
 		this->width = width;
 		this->height = height;
 		texture = new u32;
@@ -42,7 +42,7 @@ namespace vb01{
 		}
 	}
 
-	Texture::Texture(string paths[], int numPaths, bool cubemap, int mipmapLevel, bool flip){
+	Texture::Texture(string paths[], int numPaths, bool cubemap, int mipmapLevel, bool flip, string name) : Animatable(name){
 			this->cubemap = cubemap;
 			this->paths = new string[numPaths];
 
@@ -86,7 +86,7 @@ namespace vb01{
 		}
 	}
 
-	Texture::Texture(int width, bool depth, int mipmapLevel){
+	Texture::Texture(int width, bool depth, int mipmapLevel, string name) : Animatable(name){
 		this->width = width;
 		this->mipmapLevel = mipmapLevel;
 		this->cubemap = true;
@@ -127,7 +127,7 @@ namespace vb01{
 			glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 	}
 
-	Texture::Texture(FT_Face face){
+	Texture::Texture(FT_Face face) : Animatable(){
 		texture = new u32;
 
 		glGenTextures(1, &texture[0]);

texture.h

@@ -14,8 +14,8 @@ namespace vb01{
 		public:
 			~Texture();
 			Texture(int, int, bool = true);
-			Texture(std::string[], int, bool, int = 0, bool = false);
+			Texture(std::string[], int, bool, int = 0, bool = false, std::string = "");
-			Texture(int, bool = true, int = 0);
+			Texture(int, bool = true, int = 0, std::string = "");
 			Texture(FT_Face);
 			void select(int = 0, int = 0);
 			void update(int = 0);

vbModelReader.cpp

@@ -596,7 +596,7 @@ namespace vb01{
 		float outerAngle = atof(lightData[7].substr(lightData[7].find_first_of(':') + 2).c_str());
 		float innerAngle = atof(lightData[8].substr(lightData[8].find_first_of(':') + 2).c_str());
 
-		Light *light = new Light(type);
+		Light *light = new Light(type, name);
 		light->setColor(color);
 		light->setOuterAngle(outerAngle);
 		light->setInnerAngle(innerAngle);

xmlModelReader.cpp

@@ -2,8 +2,11 @@
 #include "mesh.h"
 #include "skeleton.h"
 #include "bone.h"
+#include "animation.h"
 #include "vector.h"
 #include "animationController.h"
+#include "animatable.h"
+#include "keyframeChannel.h"
 
 #include <vector>
 
@@ -152,6 +155,51 @@ namespace vb01{
 			return mesh;
 		}
 
+		Animation* XmlModelReader::processAnimation(XMLElement *animationEl, vector<Animatable*> animatables){
+				string name = animationEl->Attribute("name");
+				Animation *animation = new Animation(name);
+
+				for(XMLElement *channelEl = animationEl->FirstChildElement("channel"); channelEl; channelEl = channelEl->NextSiblingElement()){
+						vector<Keyframe> keyframes;
+
+						for(XMLElement *keyframeEl = channelEl->FirstChildElement("keyframe"); keyframeEl; keyframeEl = keyframeEl->NextSiblingElement()){
+								string interpString = keyframeEl->Attribute("interpolation");
+								Keyframe::Interpolation interpolation = KeyframeChannel::getKeyframeInterpolationType(interpString);
+								float frame = atof(keyframeEl->Attribute("frame"));
+								float value = atof(keyframeEl->Attribute("value"));
+								float leftFrame = atof(keyframeEl->Attribute("lefthandleframe"));
+								float leftValue = atof(keyframeEl->Attribute("lefthandlevalue"));
+								float rightFrame = atof(keyframeEl->Attribute("righthandleframe"));
+								float rightValue = atof(keyframeEl->Attribute("righthandlevalue"));
+								keyframes.push_back(KeyframeChannel::createKeyframe(interpolation, value, frame, leftValue, leftFrame, rightValue, rightFrame));
+						}
+
+						string typeStr = channelEl->Attribute("type");
+						KeyframeChannel::Type type = KeyframeChannel::getKeyframeChannelType(typeStr);
+						Animatable *animatable;
+						string name = channelEl->Attribute("name");
+
+						for(Animatable *an : animatables)
+								if(an->getName() == name){
+										animatable = an;
+										break;
+								}
+
+						KeyframeChannel channel = KeyframeChannel::createKeyframeChannel(type, animatable, keyframes);
+						animation->addKeyframeChannel(channel);
+				}
+
+				return animation;
+		}
+
+		void XmlModelReader::processAnimations(XMLElement *animContainer, vector<Animatable*> animatables){
+				AnimationController *animController = AnimationController::getSingleton();
+				const char *animTag = "animation";
+
+				for(XMLElement *animEl = animContainer->FirstChildElement(animTag); animEl && strcmp(animEl->Name(), animTag) == 0; animEl = animEl->NextSiblingElement())
+					animController->addAnimation(processAnimation(animEl, animatables));
+		}
+
 		Skeleton* XmlModelReader::processSkeleton(Node *root, XMLElement *skeletonEl){
 				XMLElement *rootBoneEl = skeletonEl->FirstChildElement("bone");
 				Bone *rootBone = (Bone*)processNode(root, rootBoneEl, true);
@@ -164,6 +212,8 @@ namespace vb01{
 				for(Node *bone : bones)
 						skeleton->addBone((Bone*)bone, (Bone*)bone->getParent());
 
+				processAnimations(skeletonEl, vector<Animatable*>(bones.begin(), bones.end()));
+
 				return skeleton;
 		}
 
@@ -186,14 +236,9 @@ namespace vb01{
 
 						float eps = pow(10, -2);
 						
-						for(int i = 0; i < 9; i++){
+						for(int i = 0; i < 9; i++)
 								if(fabs(components[i]) < eps)
 										components[i] = 0;
-						}
-						/*
-								else if(fabs(components[i]) > 1.0)
-										components[i] = 1.0;
-						*/
 
 						Vector3 head = Vector3(components[0], components[1], components[2]);
 						Vector3 xAxis = Vector3(components[3], components[4], components[5]);
@@ -239,6 +284,8 @@ namespace vb01{
 
 				XMLElement *lightTag = xmlEl->FirstChildElement("light");
 
+				processAnimations(xmlEl, vector<Animatable*>{node});
+
 				const char *tagName = (bone ? "bone" : "node");
 
 				for(XMLElement *el = xmlEl->FirstChildElement(tagName); el; el = el->NextSiblingElement())

xmlModelReader.h

@@ -3,6 +3,8 @@
 
 #include "modelReader.h"
 
+#include <vector>
+
 namespace tinyxml2{
 		class XMLElement;
 }
@@ -11,7 +13,8 @@ namespace vb01{
 		class Node;
 		class Mesh;
 		class Skeleton;
-		class Bone;
+		class Animatable;
+		class Animation;
 
 		class XmlModelReader : public ModelReader{
 				public:
@@ -19,6 +22,8 @@ namespace vb01{
 				private:
 						Node* processNode(Node*, tinyxml2::XMLElement*, bool = false);
 						Mesh* processMesh(tinyxml2::XMLElement*);
+						Animation* processAnimation(tinyxml2::XMLElement*, std::vector<Animatable*>);
+						void processAnimations(tinyxml2::XMLElement*, std::vector<Animatable*>);
 						Skeleton* processSkeleton(Node*, tinyxml2::XMLElement*);
 		};
 }