Do boning and animation properly

[opengl.git] / model.hpp

diff --git a/model.hpp b/model.hpp
index 0339538429cc94ae87292ff3f53e56cd460777a6..bf6f08f346133920d792870d6a0f42249fe5e0cd 100644 (file)
--- a/model.hpp
+++ b/model.hpp
@@ -1,4 +1,6 @@
 #include <vector>
+#include <map>
+#include <set>
 #ifdef __APPLE__
 #include <GL/glew.h>
 #else
@@ -6,27 +8,80 @@
 #endif
 #include <glm/glm.hpp>
 #include <assimp/scene.h>
+#include "material.hpp"
+#include "program.hpp"
+#include "skybox.hpp"
 
-class Model {
-       public:
-               Model(const std::string &path, GLuint progId): progId(progId) {
-                       loadModel(path);
+inline glm::mat4 aiMatrixToMat4(aiMatrix4x4 from) {
+       glm::mat4 to;
+       for (int i = 0; i < 4; i++)
+               for (int j = 0; j < 4; j++)
+                       to[i][j] = from[j][i];
+       return to;
 }
-               void draw();
-       private:
-               const GLuint progId;
+
+class Model {
+
+       struct Animation {
+               double duration;
+               std::vector<const aiNodeAnim*> nodeAnims;
+       };
+
+       typedef std::map<std::string, std::pair<unsigned int, aiBone*>> BoneMap;
+       typedef std::map<std::string, std::vector<const Animation>> AnimMap;
+       typedef std::map<std::string, glm::mat4> BoneTransforms;
+
+       struct VertBones {
+               unsigned int ids[4] = {0, 0, 0 ,0};
+               float weights[4] = {1, 0, 0, 0};
+       };
 
        struct Mesh {
                Mesh(const aiMesh *aiMesh, GLuint progId);
+               GLuint progId, vao, numIndices;
+               unsigned int materialIndex;
+               BoneMap boneMap;
+       };
+       
+       public:
+               Model(const aiScene *scene, Program p);
+               void draw(Skybox skybox, const float tick) const;
+
+               class Node {
+                       public:
+                               Node(const aiNode &aiNode, GLuint progId, AnimMap *animMap);
+                               void draw(const std::vector<Mesh> &meshes, const std::vector<Material> &materials, const Skybox s, const float tick, const BoneTransforms &boneTransforms, glm::mat4 parentModel) const;
+                               const std::vector<Node*> &getChildren() const { return children; }
+                               Node* findNode(const aiNode &aiNode);
+                               const aiNode &ai;
+
+                               // an extra transform
+                               glm::mat4 transform = glm::mat4(1);
                                
-                       GLuint vao, vertexVbo, normalVbo, indicesVbo;
+                               glm::mat4 totalTrans(const glm::mat4 parentTrans, const float tick) const;
+
+                       private:
+                               const GLuint progId;
 
-                       std::vector<glm::vec3> vertices;
-                       std::vector<glm::vec3> normals;
-                       std::vector<glm::vec2> texCoords;
-                       std::vector<GLuint> indices;
+                               const AnimMap *animMap;
+                               std::vector<Node*> children;
+                               std::vector<unsigned int> meshIndices;
                };
                
+               Node* getRoot() { return root; }
+               Node* find(const aiString name) const;
+               Node* find(const std::string &name) const;
+       
+       private:
+               const Program program;
+               
                std::vector<Mesh> meshes;
+               Node *root;
+
+               std::vector<Material> materials;
+
+               AnimMap animMap;
+
+               BoneTransforms calcBoneTransforms(const Node &n, const float tick, const std::set<std::string> bones, const glm::mat4 parentTrans) const;
                void loadModel(const std::string &path);
 };