add entity models rigging draft

src/logic/PlayerController.cpp

@@ -248,7 +248,7 @@ void PlayerController::update(float delta, bool input, bool pause) {
     if (input) {
         updateInteraction();
         if (Events::jactive("player.drop")) {
-            level->entities->drop(player->camera->position, player->camera->front*10.0f+player->hitbox->velocity);
+            level->entities->drop(player->camera->position, player->camera->front*8.0f+glm::vec3(0, 2, 0)+player->hitbox->velocity);
         }
     } else {
         player->selection.vox.id = BLOCK_VOID;

src/objects/Entities.cpp

@@ -25,7 +25,8 @@ void Entities::drop(glm::vec3 pos, glm::vec3 vel) {
     glm::vec3 size(1);
     registry.emplace<EntityId>(entity, static_cast<entityid_t>(1));
     registry.emplace<Transform>(entity, pos, size/4.0f, glm::mat3(1.0f));
-    registry.emplace<Hitbox>(entity, pos, size/2.0f);
+    registry.emplace<Hitbox>(entity, pos, 
+        glm::vec3(size.x*0.2f, size.y*0.5f, size.z*0.2f));
 
     auto& hitbox = registry.get<Hitbox>(entity);
     hitbox.velocity = vel;

src/objects/Entities.hpp

@@ -24,6 +24,7 @@ class Level;
 class Assets;
 class ModelBatch;
 class Frustum;
+class Rig;
 
 class Entity {
     entt::registry& registry;

src/objects/rigging.hpp

@@ -0,0 +1,34 @@
+#ifndef OBJECTS_SKELETON_HPP_
+#define OBJECTS_SKELETON_HPP_
+
+#include "../typedefs.hpp"
+
+#include <vector>
+#include <memory>
+#include <glm/glm.hpp>
+
+namespace rigging {
+    struct Rig;
+
+    struct Pose {
+        std::vector<glm::mat4> matrices;
+    };
+
+    class RigNode {
+        uint index;
+        std::vector<std::unique_ptr<RigNode>> subnodes;
+    public:
+        RigNode(uint index);
+    };
+
+    class RigConfig {
+        std::unique_ptr<RigNode> root;
+    };
+
+    struct Rig {
+        RigConfig* config;
+        Pose pose;
+    };
+};
+
+#endif // OBJECTS_SKELETON_HPP_