Added skeletal animations and other fixes

destrum/include/destrum/Graphics/SkeletalAnimation.h

@@ -0,0 +1,35 @@
+#ifndef SKELETALANIMATION_H
+#define SKELETALANIMATION_H
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include <glm/gtc/quaternion.hpp>
+#include <glm/vec3.hpp>
+
+struct SkeletalAnimation {
+    struct Keyframe {
+        float time;
+        glm::vec3 translation;
+        glm::quat rotation;
+        glm::vec3 scale;
+    };
+
+    struct Track {
+        std::uint32_t        jointIndex;
+        std::vector<Keyframe> keyframes; // sorted by time
+    };
+
+    std::vector<Track> tracks; // one per animated joint (not all joints need a track)
+    float              duration{0.f};
+    bool               looped{true};
+    std::string        name;
+
+    int                                      startFrame{0};
+    std::map<int, std::vector<std::string>>  events;
+
+    const std::vector<std::string>& getEventsForFrame(int frame) const;
+};
+
+#endif // SKELETALANIMATION_H