refactor Entities

src/frontend/debug_panel.cpp

@@ -18,6 +18,7 @@
 #include "objects/Players.hpp"
 #include "objects/Entities.hpp"
 #include "objects/EntityDef.hpp"
+#include "objects/Entity.hpp"
 #include "physics/Hitbox.hpp"
 #include "util/stringutil.hpp"
 #include "voxels/Block.hpp"

src/graphics/render/Decorator.cpp

@@ -15,6 +15,7 @@
 #include "objects/Player.hpp"
 #include "objects/Players.hpp"
 #include "objects/Entities.hpp"
+#include "objects/Entity.hpp"
 #include "logic/LevelController.hpp"
 #include "util/stringutil.hpp"
 #include "engine/Engine.hpp"

src/graphics/render/Emitter.cpp

@@ -7,6 +7,7 @@
 #include "window/Camera.hpp"
 #include "graphics/core/Texture.hpp"
 #include "objects/Entities.hpp"
+#include "objects/Entity.hpp"
 #include "world/Level.hpp"
 
 Emitter::Emitter(

src/logic/PlayerController.cpp

@@ -13,6 +13,7 @@
 #include "items/ItemStack.hpp"
 #include "lighting/Lighting.hpp"
 #include "objects/Entities.hpp"
+#include "objects/Entity.hpp"
 #include "objects/Player.hpp"
 #include "objects/Players.hpp"
 #include "physics/Hitbox.hpp"
@@ -309,16 +310,7 @@ void PlayerController::updateKeyboard(const Input& inputEvents) {
 }
 
 void PlayerController::resetKeyboard() {
-    input.zoom = false;
-    input.moveForward = false;
-    input.moveBack = false;
-    input.moveLeft = false;
-    input.moveRight = false;
-    input.sprint = false;
-    input.shift = false;
-    input.cheat = false;
-    input.jump = false;
-    input.delta = {};
+    input = {};
 }
 
 void PlayerController::updatePlayer(float delta) {
@@ -338,7 +330,8 @@ static int determine_rotation(
             if (norm.z > 0.0f) return BLOCK_DIR_NORTH;
             if (norm.z < 0.0f) return BLOCK_DIR_SOUTH;
         } else if (name == "pane" || name == "stairs") {
-            int verticalBit = (name == "stairs" && (norm.y - camDir.y * 0.5f) < 0.0) ? 4 : 0; 
+            int verticalBit =
+                (name == "stairs" && (norm.y - camDir.y * 0.5f) < 0.0) ? 4 : 0;
             if (abs(camDir.x) > abs(camDir.z)) {
                 if (camDir.x > 0.0f) return BLOCK_DIR_EAST | verticalBit;
                 if (camDir.x < 0.0f) return BLOCK_DIR_WEST | verticalBit;

src/logic/scripting/lua/libs/libentity.cpp

@@ -4,6 +4,8 @@
 #include "engine/Engine.hpp"
 #include "objects/Entities.hpp"
 #include "objects/EntityDef.hpp"
+#include "objects/Entity.hpp"
+#include "objects/Rigidbody.hpp"
 #include "objects/Player.hpp"
 #include "objects/rigging.hpp"
 #include "physics/Hitbox.hpp"

src/logic/scripting/lua/libs/libentity.hpp

@@ -4,6 +4,7 @@
 
 #include "frontend/hud.hpp"
 #include "objects/Entities.hpp"
+#include "objects/Entity.hpp"
 #include "world/Level.hpp"
 #include "logic/LevelController.hpp"
 #include "api_lua.hpp"

src/logic/scripting/lua/libs/libplayer.cpp

@@ -5,6 +5,7 @@
 #include "objects/Entities.hpp"
 #include "objects/Player.hpp"
 #include "objects/Players.hpp"
+#include "objects/Entity.hpp"
 #include "physics/Hitbox.hpp"
 #include "window/Camera.hpp"
 #include "world/Level.hpp"

src/logic/scripting/scripting.cpp

@@ -21,6 +21,7 @@
 #include "maths/Heightmap.hpp"
 #include "objects/Entities.hpp"
 #include "objects/EntityDef.hpp"
+#include "objects/Entity.hpp"
 #include "objects/Player.hpp"
 #include "util/stringutil.hpp"
 #include "util/timeutil.hpp"

src/objects/Entities.cpp

@@ -17,6 +17,7 @@
 #include "maths/FrustumCulling.hpp"
 #include "maths/rays.hpp"
 #include "EntityDef.hpp"
+#include "Entity.hpp"
 #include "rigging.hpp"
 #include "physics/Hitbox.hpp"
 #include "physics/PhysicsSolver.hpp"
@@ -24,103 +25,16 @@
 
 static debug::Logger logger("entities");
 
-static inline std::string COMP_TRANSFORM = "transform";
-static inline std::string COMP_RIGIDBODY = "rigidbody";
-static inline std::string COMP_SKELETON = "skeleton";
-static inline std::string SAVED_DATA_VARNAME = "SAVED_DATA";
-
-void Transform::refresh() {
-    combined = glm::mat4(1.0f);
-    combined = glm::translate(combined, pos);
-    combined = combined * glm::mat4(rot);
-    combined = glm::scale(combined, size);
-    displayPos = pos;
-    displaySize = size;
-    dirty = false;
-}
-
-void Entity::setInterpolatedPosition(const glm::vec3& position) {
-    getSkeleton().interpolation.refresh(position);
-}
-
-glm::vec3 Entity::getInterpolatedPosition() const {
-    const auto& skeleton = getSkeleton();
-    if (skeleton.interpolation.isEnabled()) {
-        return skeleton.interpolation.getCurrent();
-    }
-    return getTransform().pos;
-}
-
-void Entity::destroy() {
-    if (isValid()) {
-        entities.despawn(id);
-    }
-}
-
-rigging::Skeleton& Entity::getSkeleton() const {
-    return registry.get<rigging::Skeleton>(entity);
-}
-
-void Entity::setRig(const rigging::SkeletonConfig* rigConfig) {
-    auto& skeleton = registry.get<rigging::Skeleton>(entity);
-    skeleton.config = rigConfig;
-    skeleton.pose.matrices.resize(
-        rigConfig->getBones().size(), glm::mat4(1.0f)
-    );
-    skeleton.calculated.matrices.resize(
-        rigConfig->getBones().size(), glm::mat4(1.0f)
-    );
-}
-
 Entities::Entities(Level& level)
     : level(level), sensorsTickClock(20, 3), updateTickClock(20, 3) {
 }
 
-template <void (*callback)(const Entity&, size_t, entityid_t)>
-static sensorcallback create_sensor_callback(Entities* entities) {
-    return [=](auto entityid, auto index, auto otherid) {
-        if (auto entity = entities->get(entityid)) {
-            if (entity->isValid()) {
-                callback(*entity, index, otherid);
-            }
-        }
-    };
-}
-
-static void initialize_body(
-    const EntityDef& def, Rigidbody& body, entityid_t id, Entities* entities
-) {
-    body.sensors.resize(def.radialSensors.size() + def.boxSensors.size());
-    for (auto& [i, box] : def.boxSensors) {
-        SensorParams params {};
-        params.aabb = box;
-        body.sensors[i] = Sensor {
-            true,
-            SensorType::AABB,
-            i,
-            id,
-            params,
-            params,
-            {},
-            {},
-            create_sensor_callback<scripting::on_sensor_enter>(entities),
-            create_sensor_callback<scripting::on_sensor_exit>(entities)};
-    }
-    for (auto& [i, radius] : def.radialSensors) {
-        SensorParams params {};
-        params.radial = glm::vec4(radius);
-        body.sensors[i] = Sensor {
-            true,
-            SensorType::RADIUS,
-            i,
-            id,
-            params,
-            params,
-            {},
-            {},
-            create_sensor_callback<scripting::on_sensor_enter>(entities),
-            create_sensor_callback<scripting::on_sensor_exit>(entities)};
+std::optional<Entity> Entities::get(entityid_t id) {
+    const auto& found = entities.find(id);
+    if (found != entities.end() && registry.valid(found->second)) {
+        return Entity(*this, id, registry, found->second);
     }
+    return std::nullopt;
 }
 
 entityid_t Entities::spawn(
@@ -168,7 +82,7 @@ entityid_t Entities::spawn(
         Hitbox {def.bodyType, position, def.hitbox * 0.5f},
         std::vector<Sensor> {}
     );
-    initialize_body(def, body, id, this);
+    body.initialize(def, id, *this);
 
     auto& scripting = registry.emplace<ScriptComponents>(entity);
     registry.emplace<rigging::Skeleton>(entity, skeleton->instance());
@@ -232,8 +146,8 @@ void Entities::loadEntity(const dv::value& map, Entity entity) {
     if (skeletonName != skeleton.config->getName()) {
         skeleton.config = level.content.getSkeleton(skeletonName);
     }
-    if (auto found = map.at(COMP_SKELETON)) {
-        auto& skeletonmap = *found;
+    if (auto foundSkeleton = map.at(COMP_SKELETON)) {
+        auto& skeletonmap = *foundSkeleton;
         if (auto found = skeletonmap.at("textures")) {
             auto& texturesmap = *found;
             for (auto& [slot, _] : texturesmap.asObject()) {
@@ -284,7 +198,7 @@ std::optional<Entities::RaycastResult> Entities::rayCast(
 
 void Entities::loadEntities(dv::value root) {
     clean();
-    auto& list = root["data"];
+    const auto& list = root["data"];
     for (auto& map : list) {
         try {
             loadEntity(map);
@@ -298,74 +212,6 @@ void Entities::onSave(const Entity& entity) {
     scripting::on_entity_save(entity);
 }
 
-dv::value Entities::serialize(const Entity& entity) {
-    auto root = dv::object();
-    auto& eid = entity.getID();
-    auto& def = eid.def;
-    root["def"] = def.name;
-    root["uid"] = eid.uid;
-    {
-        auto& transform = entity.getTransform();
-        auto& tsfmap = root.object(COMP_TRANSFORM);
-        tsfmap["pos"] = dv::to_value(transform.pos);
-        if (transform.size != glm::vec3(1.0f)) {
-            tsfmap["size"] = dv::to_value(transform.size);
-        }
-        if (transform.rot != glm::mat3(1.0f)) {
-            tsfmap["rot"] = dv::to_value(transform.rot);
-        }
-    }
-    {
-        auto& rigidbody = entity.getRigidbody();
-        auto& hitbox = rigidbody.hitbox;
-        auto& bodymap = root.object(COMP_RIGIDBODY);
-        if (!rigidbody.enabled) {
-            bodymap["enabled"] = false;
-        }
-        if (def.save.body.velocity) {
-            bodymap["vel"] = dv::to_value(rigidbody.hitbox.velocity);
-        }
-        if (def.save.body.settings) {
-            bodymap["damping"] = rigidbody.hitbox.linearDamping;
-            if (hitbox.type != def.bodyType) {
-                bodymap["type"] = BodyTypeMeta.getNameString(hitbox.type);
-            }
-            if (hitbox.crouching) {
-                bodymap["crouch"] = hitbox.crouching;
-            }
-        }
-    }
-    auto& skeleton = entity.getSkeleton();
-    if (skeleton.config->getName() != def.skeletonName) {
-        root["skeleton"] = skeleton.config->getName();
-    }
-    if (def.save.skeleton.pose || def.save.skeleton.textures) {
-        auto& skeletonmap = root.object(COMP_SKELETON);
-        if (def.save.skeleton.textures) {
-            auto& map = skeletonmap.object("textures");
-            for (auto& [slot, texture] : skeleton.textures) {
-                map[slot] = texture;
-            }
-        }
-        if (def.save.skeleton.pose) {
-            auto& list = skeletonmap.list("pose");
-            for (auto& mat : skeleton.pose.matrices) {
-                list.add(dv::to_value(mat));
-            }
-        }
-    }
-    auto& scripts = entity.getScripting();
-    if (!scripts.components.empty()) {
-        auto& compsMap = root.object("comps");
-        for (auto& comp : scripts.components) {
-            auto data =
-                scripting::get_component_value(comp->env, SAVED_DATA_VARNAME);
-            compsMap[comp->name] = data;
-        }
-    }
-    return root;
-}
-
 dv::value Entities::serialize(const std::vector<Entity>& entities) {
     auto list = dv::list();
     for (auto& entity : entities) {
@@ -375,7 +221,7 @@ dv::value Entities::serialize(const std::vector<Entity>& entities) {
         }
         level.entities->onSave(entity);
         if (!eid.destroyFlag) {
-            list.add(level.entities->serialize(entity));
+            list.add(entity.serialize());
         }
     }
     return list;

src/objects/Entities.hpp

@@ -5,108 +5,21 @@
 #include <optional>
 #include <vector>
 
-#include "data/dv.hpp"
 #include "physics/Hitbox.hpp"
+#include "Transform.hpp"
+#include "Rigidbody.hpp"
+#include "ScriptComponents.hpp"
 #include "typedefs.hpp"
 #include "util/Clock.hpp"
-#define GLM_ENABLE_EXPERIMENTAL
-#include <entt/entity/registry.hpp>
-#include <glm/gtx/norm.hpp>
-#include <unordered_map>
 
-struct EntityFuncsSet {
-    bool init;
-    bool on_despawn;
-    bool on_grounded;
-    bool on_fall;
-    bool on_sensor_enter;
-    bool on_sensor_exit;
-    bool on_save;
-    bool on_aim_on;
-    bool on_aim_off;
-    bool on_attacked;
-    bool on_used;
-};
+#include <entt/entity/registry.hpp>
+#include <unordered_map>
 
 struct EntityDef;
 
-struct EntityId {
-    entityid_t uid;
-    const EntityDef& def;
-    bool destroyFlag = false;
-    int64_t player = -1;
-};
-
-struct Transform {
-    static inline constexpr float EPSILON = 0.0000001f;
-    glm::vec3 pos;
-    glm::vec3 size;
-    glm::mat3 rot;
-    glm::mat4 combined;
-    bool dirty = true;
-
-    glm::vec3 displayPos;
-    glm::vec3 displaySize;
-
-    void refresh();
-
-    inline void setRot(glm::mat3 m) {
-        rot = m;
-        dirty = true;
-    }
-
-    inline void setSize(glm::vec3 v) {
-        if (glm::distance2(displaySize, v) >= EPSILON) {
-            dirty = true;
-        }
-        size = v;
-    }
-
-    inline void setPos(glm::vec3 v) {
-        if (glm::distance2(displayPos, v) >= EPSILON) {
-            dirty = true;
-        }
-        pos = v;
-    }
-};
-
-struct Rigidbody {
-    bool enabled = true;
-    Hitbox hitbox;
-    std::vector<Sensor> sensors;
-};
-
-struct UserComponent {
-    std::string name;
-    EntityFuncsSet funcsset;
-    scriptenv env;
-    dv::value params;
-
-    UserComponent(
-        const std::string& name,
-        EntityFuncsSet funcsset,
-        scriptenv env,
-        dv::value params
-    )
-        : name(name),
-          funcsset(funcsset),
-          env(std::move(env)),
-          params(std::move(params)) {
-    }
-};
-
-struct ScriptComponents {
-    std::vector<std::unique_ptr<UserComponent>> components;
-
-    ScriptComponents() = default;
-
-    ScriptComponents(ScriptComponents&& other)
-        : components(std::move(other.components)) {
-    }
-};
-
 class Level;
 class Assets;
+class Entity;
 class LineBatch;
 class ModelBatch;
 class Frustum;
@@ -118,72 +31,6 @@ namespace rigging {
     class SkeletonConfig;
 }
 
-class Entity {
-    Entities& entities;
-    entityid_t id;
-    entt::registry& registry;
-    const entt::entity entity;
-public:
-    Entity(
-        Entities& entities,
-        entityid_t id,
-        entt::registry& registry,
-        const entt::entity entity
-    )
-        : entities(entities), id(id), registry(registry), entity(entity) {
-    }
-
-    EntityId& getID() const {
-        return registry.get<EntityId>(entity);
-    }
-
-    bool isValid() const {
-        return registry.valid(entity);
-    }
-
-    const EntityDef& getDef() const {
-        return registry.get<EntityId>(entity).def;
-    }
-
-    Transform& getTransform() const {
-        return registry.get<Transform>(entity);
-    }
-
-    Rigidbody& getRigidbody() const {
-        return registry.get<Rigidbody>(entity);
-    }
-
-    ScriptComponents& getScripting() const {
-        return registry.get<ScriptComponents>(entity);
-    }
-
-    rigging::Skeleton& getSkeleton() const;
-
-    void setRig(const rigging::SkeletonConfig* rigConfig);
-
-    entityid_t getUID() const {
-        return registry.get<EntityId>(entity).uid;
-    }
-
-    entt::entity getHandler() const {
-        return entity;
-    }
-
-    int64_t getPlayer() const {
-        return registry.get<EntityId>(entity).player;
-    }
-
-    void setPlayer(int64_t id) {
-        registry.get<EntityId>(entity).player = id;
-    }
-
-    void setInterpolatedPosition(const glm::vec3& position);
-
-    glm::vec3 getInterpolatedPosition() const;
-
-    void destroy();
-};
-
 class Entities {
     entt::registry registry;
     Level& level;
@@ -229,13 +76,7 @@ public:
         entityid_t uid = 0
     );
 
-    std::optional<Entity> get(entityid_t id) {
-        const auto& found = entities.find(id);
-        if (found != entities.end() && registry.valid(found->second)) {
-            return Entity(*this, id, registry, found->second);
-        }
-        return std::nullopt;
-    }
+    std::optional<Entity> get(entityid_t id);
 
     /// @brief Entities raycast. No blocks check included, use combined with
     /// Chunks.rayCast
@@ -260,7 +101,6 @@ public:
     std::vector<Entity> getAllInRadius(glm::vec3 center, float radius);
     void despawn(entityid_t id);
     void despawn(std::vector<Entity> entities);
-    dv::value serialize(const Entity& entity);
     dv::value serialize(const std::vector<Entity>& entities);
 
     void setNextID(entityid_t id) {

src/objects/Entity.cpp

@@ -0,0 +1,119 @@
+#include "Entity.hpp"
+
+#include "Transform.hpp"
+#include "Rigidbody.hpp"
+#include "ScriptComponents.hpp"
+#include "Entities.hpp"
+#include "EntityDef.hpp"
+#include "rigging.hpp"
+#include "logic/scripting/scripting.hpp"
+
+#include <entt/entt.hpp>
+
+static inline std::string SAVED_DATA_VARNAME = "SAVED_DATA";
+
+void Entity::setInterpolatedPosition(const glm::vec3& position) {
+    getSkeleton().interpolation.refresh(position);
+}
+
+glm::vec3 Entity::getInterpolatedPosition() const {
+    const auto& skeleton = getSkeleton();
+    if (skeleton.interpolation.isEnabled()) {
+        return skeleton.interpolation.getCurrent();
+    }
+    return getTransform().pos;
+}
+
+void Entity::destroy() {
+    if (isValid()) {
+        entities.despawn(id);
+    }
+}
+
+rigging::Skeleton& Entity::getSkeleton() const {
+    return registry.get<rigging::Skeleton>(entity);
+}
+
+void Entity::setRig(const rigging::SkeletonConfig* rigConfig) {
+    auto& skeleton = registry.get<rigging::Skeleton>(entity);
+    skeleton.config = rigConfig;
+    skeleton.pose.matrices.resize(
+        rigConfig->getBones().size(), glm::mat4(1.0f)
+    );
+    skeleton.calculated.matrices.resize(
+        rigConfig->getBones().size(), glm::mat4(1.0f)
+    );
+}
+
+dv::value Entity::serialize() const {
+    const auto& eid = getID();
+    const auto& def = eid.def;
+    const auto& transform = getTransform();
+    const auto& rigidbody = getRigidbody();
+    const auto& skeleton = getSkeleton();
+    const auto& scripts = getScripting();
+
+    auto root = dv::object();
+    root["def"] = def.name;
+    root["uid"] = eid.uid;
+
+    root[COMP_TRANSFORM] = transform.serialize();
+    root[COMP_RIGIDBODY] =
+        rigidbody.serialize(def.save.body.velocity, def.save.body.settings);
+
+    if (skeleton.config->getName() != def.skeletonName) {
+        root["skeleton"] = skeleton.config->getName();
+    }
+    if (def.save.skeleton.pose || def.save.skeleton.textures) {
+        root[COMP_SKELETON] = skeleton.serialize(
+            def.save.skeleton.pose, def.save.skeleton.textures
+        );
+    }
+    if (!scripts.components.empty()) {
+        auto& compsMap = root.object("comps");
+        for (auto& comp : scripts.components) {
+            auto data =
+                scripting::get_component_value(comp->env, SAVED_DATA_VARNAME);
+            compsMap[comp->name] = data;
+        }
+    }
+    return root;
+}
+
+EntityId& Entity::getID() const {
+    return registry.get<EntityId>(entity);
+}
+
+bool Entity::isValid() const {
+    return registry.valid(entity);
+}
+
+Transform& Entity::getTransform() const {
+    return registry.get<Transform>(entity);
+}
+
+
+ScriptComponents& Entity::getScripting() const {
+    return registry.get<ScriptComponents>(entity);
+}
+
+const EntityDef& Entity::getDef() const {
+    return registry.get<EntityId>(entity).def;
+}
+
+Rigidbody& Entity::getRigidbody() const {
+    return registry.get<Rigidbody>(entity);
+}
+
+entityid_t Entity::getUID() const {
+    return registry.get<EntityId>(entity).uid;
+}
+
+int64_t Entity::getPlayer() const {
+    return registry.get<EntityId>(entity).player;
+}
+
+void Entity::setPlayer(int64_t id) {
+    registry.get<EntityId>(entity).player = id;
+}
+

src/objects/Entity.hpp

@@ -0,0 +1,79 @@
+#pragma once
+
+#include "typedefs.hpp"
+#include "data/dv_fwd.hpp"
+
+#include <entt/fwd.hpp>
+#include <glm/vec3.hpp>
+
+class Entities;
+struct EntityDef;
+struct Transform;
+struct Rigidbody;
+struct ScriptComponents;
+
+inline std::string COMP_TRANSFORM = "transform";
+inline std::string COMP_RIGIDBODY = "rigidbody";
+inline std::string COMP_SKELETON = "skeleton";
+
+namespace rigging {
+    struct Skeleton;
+    class SkeletonConfig;
+}
+
+struct EntityId {
+    entityid_t uid;
+    const EntityDef& def;
+    bool destroyFlag = false;
+    int64_t player = -1;
+};
+
+class Entity {
+    Entities& entities;
+    entityid_t id;
+    entt::registry& registry;
+    const entt::entity entity;
+public:
+    Entity(
+        Entities& entities,
+        entityid_t id,
+        entt::registry& registry,
+        const entt::entity entity
+    )
+        : entities(entities), id(id), registry(registry), entity(entity) {
+    }
+
+    dv::value serialize() const;
+
+    EntityId& getID() const;
+
+    bool isValid() const;
+
+    const EntityDef& getDef() const;
+
+    Transform& getTransform() const;
+
+    Rigidbody& getRigidbody() const;
+
+    ScriptComponents& getScripting() const;
+
+    rigging::Skeleton& getSkeleton() const;
+
+    void setRig(const rigging::SkeletonConfig* rigConfig);
+
+    entityid_t getUID() const;
+
+    int64_t getPlayer() const;
+
+    void setPlayer(int64_t id);
+
+    void setInterpolatedPosition(const glm::vec3& position);
+
+    glm::vec3 getInterpolatedPosition() const;
+
+    entt::entity getHandler() const {
+        return entity;
+    }
+
+    void destroy();
+};

src/objects/Player.cpp

@@ -9,6 +9,7 @@
 #include "content/ContentReport.hpp"
 #include "items/Inventory.hpp"
 #include "Entities.hpp"
+#include "Entity.hpp"
 #include "rigging.hpp"
 #include "physics/Hitbox.hpp"
 #include "physics/PhysicsSolver.hpp"
@@ -137,7 +138,7 @@ void Player::updateInput(PlayerInput& input, float delta) {
     }
     if (glm::length(dir) > 0.0f) {
         dir = glm::normalize(dir);
-        hitbox->velocity += dir * speed * delta * 9.0f;
+        doMove(dir, speed, delta);
     }
     if (flight) {
         if (input.jump) {
@@ -146,9 +147,22 @@ void Player::updateInput(PlayerInput& input, float delta) {
         if (input.shift) {
             hitbox->velocity.y -= speed * delta * 9;
         }
+    } else if (input.jump) {
+        doJump();
     }
-    if (input.jump && hitbox->grounded) {
-        hitbox->velocity.y = JUMP_FORCE;
+}
+
+void Player::doMove(const glm::vec3& dir, float speed, float delta) {
+    if (auto hitbox = getHitbox()) {
+        hitbox->velocity += dir * speed * delta * 9.0f;
+    }
+}
+
+void Player::doJump() {
+    if (auto hitbox = getHitbox()) {
+        if (hitbox->grounded) {
+            hitbox->velocity.y = JUMP_FORCE;
+        }
     }
 }
 

src/objects/Player.hpp

@@ -59,6 +59,9 @@ class Player : public Serializable {
     entityid_t eid = ENTITY_AUTO;
     entityid_t selectedEid = 0;
 
+    void doMove(const glm::vec3& dir, float speed, float delta);
+    void doJump();
+
     glm::vec3 rotation {};
 public:
     util::VecInterpolation<3, float, true> rotationInterpolation {true};

src/objects/Rigidbody.cpp

@@ -0,0 +1,74 @@
+#define VC_ENABLE_REFLECTION
+
+#include "Rigidbody.hpp"
+
+#include "EntityDef.hpp"
+#include "Entities.hpp"
+#include "Entity.hpp"
+#include "data/dv_util.hpp"
+#include "logic/scripting/scripting.hpp"
+
+dv::value Rigidbody::serialize(bool saveVelocity, bool saveBodySettings) const {
+    auto bodymap = dv::object();
+    if (!enabled) {
+        bodymap["enabled"] = false;
+    }
+    if (saveVelocity) {
+        bodymap["vel"] = dv::to_value(hitbox.velocity);
+    }
+    if (saveBodySettings) {
+        bodymap["damping"] = hitbox.linearDamping;
+        bodymap["type"] = BodyTypeMeta.getNameString(hitbox.type);
+        if (hitbox.crouching) {
+            bodymap["crouch"] = hitbox.crouching;
+        }
+    }
+    return bodymap;
+}
+
+template <void (*callback)(const Entity&, size_t, entityid_t)>
+static sensorcallback create_sensor_callback(Entities& entities) {
+    return [&entities](auto entityid, auto index, auto otherid) {
+        if (auto entity = entities.get(entityid)) {
+            if (entity->isValid()) {
+                callback(*entity, index, otherid);
+            }
+        }
+    };
+}
+
+void Rigidbody::initialize(
+    const EntityDef& def, entityid_t id, Entities& entities
+) {
+    sensors.resize(def.radialSensors.size() + def.boxSensors.size());
+    for (auto& [i, box] : def.boxSensors) {
+        SensorParams params {};
+        params.aabb = box;
+        sensors[i] = Sensor {
+            true,
+            SensorType::AABB,
+            i,
+            id,
+            params,
+            params,
+            {},
+            {},
+            create_sensor_callback<scripting::on_sensor_enter>(entities),
+            create_sensor_callback<scripting::on_sensor_exit>(entities)};
+    }
+    for (auto& [i, radius] : def.radialSensors) {
+        SensorParams params {};
+        params.radial = glm::vec4(radius);
+        sensors[i] = Sensor {
+            true,
+            SensorType::RADIUS,
+            i,
+            id,
+            params,
+            params,
+            {},
+            {},
+            create_sensor_callback<scripting::on_sensor_enter>(entities),
+            create_sensor_callback<scripting::on_sensor_exit>(entities)};
+    }
+}

src/objects/Rigidbody.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "data/dv_fwd.hpp"
+#include "physics/Hitbox.hpp"
+
+#include <vector>
+#include <entt/fwd.hpp>
+
+class Entities;
+struct EntityDef;
+
+struct Rigidbody {
+    bool enabled = true;
+    Hitbox hitbox;
+    std::vector<Sensor> sensors;
+
+    dv::value serialize(bool saveVelocity, bool saveBodySettings) const;
+
+    void initialize(
+        const EntityDef& def, entityid_t id, Entities& entities
+    );
+};

src/objects/ScriptComponents.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+#include "typedefs.hpp"
+#include "data/dv.hpp"
+
+#include <string>
+
+struct EntityFuncsSet {
+    bool init;
+    bool on_despawn;
+    bool on_grounded;
+    bool on_fall;
+    bool on_sensor_enter;
+    bool on_sensor_exit;
+    bool on_save;
+    bool on_aim_on;
+    bool on_aim_off;
+    bool on_attacked;
+    bool on_used;
+};
+
+struct UserComponent {
+    std::string name;
+    EntityFuncsSet funcsset;
+    scriptenv env;
+    dv::value params;
+
+    UserComponent(
+        const std::string& name,
+        EntityFuncsSet funcsset,
+        scriptenv env,
+        dv::value params
+    )
+        : name(name),
+          funcsset(funcsset),
+          env(std::move(env)),
+          params(std::move(params)) {
+    }
+};
+
+struct ScriptComponents {
+    std::vector<std::unique_ptr<UserComponent>> components;
+
+    ScriptComponents() = default;
+
+    ScriptComponents(ScriptComponents&& other)
+        : components(std::move(other.components)) {
+    }
+};

src/objects/Transform.cpp

@@ -0,0 +1,25 @@
+#include "Transform.hpp"
+
+#include "data/dv_util.hpp"
+
+void Transform::refresh() {
+    combined = glm::mat4(1.0f);
+    combined = glm::translate(combined, pos);
+    combined = combined * glm::mat4(rot);
+    combined = glm::scale(combined, size);
+    displayPos = pos;
+    displaySize = size;
+    dirty = false;
+}
+
+dv::value Transform::serialize() const {
+    auto tsfmap = dv::object();
+    tsfmap["pos"] = dv::to_value(pos);
+    if (size != glm::vec3(1.0f)) {
+        tsfmap["size"] = dv::to_value(size);
+    }
+    if (rot != glm::mat3(1.0f)) {
+        tsfmap["rot"] = dv::to_value(rot);
+    }
+    return tsfmap;
+}

src/objects/Transform.hpp

@@ -0,0 +1,43 @@
+#pragma once
+
+#define GLM_ENABLE_EXPERIMENTAL
+
+#include <glm/vec3.hpp>
+#include <glm/mat4x4.hpp>
+#include <glm/gtx/norm.hpp>
+#include <data/dv_fwd.hpp>
+
+struct Transform {
+    static inline constexpr float EPSILON = 0.0000001f;
+    glm::vec3 pos;
+    glm::vec3 size;
+    glm::mat3 rot;
+    glm::mat4 combined;
+    bool dirty = true;
+
+    glm::vec3 displayPos;
+    glm::vec3 displaySize;
+
+    dv::value serialize() const;
+
+    void refresh();
+
+    inline void setRot(glm::mat3 m) {
+        rot = m;
+        dirty = true;
+    }
+
+    inline void setSize(glm::vec3 v) {
+        if (glm::distance2(displaySize, v) >= EPSILON) {
+            dirty = true;
+        }
+        size = v;
+    }
+
+    inline void setPos(glm::vec3 v) {
+        if (glm::distance2(displayPos, v) >= EPSILON) {
+            dirty = true;
+        }
+        pos = v;
+    }
+};

src/objects/rigging.cpp

@@ -23,7 +23,7 @@ Bone::Bone(
     std::string name,
     std::string model,
     std::vector<std::unique_ptr<Bone>> bones,
-    glm::vec3 offset
+    const glm::vec3& offset
 )
     : index(index),
       name(std::move(name)),
@@ -53,6 +53,23 @@ Skeleton::Skeleton(const SkeletonConfig* config)
     }
 }
 
+dv::value Skeleton::serialize(bool saveTextures, bool savePose) const {
+    auto root = dv::object();
+    if (saveTextures) {
+        auto& map = root.object("textures");
+        for (auto& [slot, texture] : textures) {
+            map[slot] = texture;
+        }
+    }
+    if (savePose) {
+        auto& list = root.list("pose");
+        for (auto& mat : pose.matrices) {
+            list.add(dv::to_value(mat));
+        }
+    }
+    return root;
+}
+
 static void get_all_nodes(std::vector<Bone*>& nodes, Bone* node) {
     nodes[node->getIndex()] = node;
     for (auto& subnode : node->getSubnodes()) {

src/objects/rigging.hpp

@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "typedefs.hpp"
+#include "data/dv_fwd.hpp"
 #include "util/Interpolation.hpp"
 
 class Assets;
@@ -50,7 +51,7 @@ namespace rigging {
             std::string name,
             std::string model,
             std::vector<std::unique_ptr<Bone>> bones,
-            glm::vec3 offset
+            const glm::vec3& offset
         );
 
         void setModel(const std::string& name);
@@ -89,6 +90,8 @@ namespace rigging {
         util::VecInterpolation<3, float> interpolation {false};
 
         Skeleton(const SkeletonConfig* config);
+
+        dv::value serialize(bool saveTextures, bool savePose) const;
     };
 
     class SkeletonConfig {

src/voxels/GlobalChunks.cpp

@@ -10,6 +10,7 @@
 #include "lighting/Lightmap.hpp"
 #include "maths/voxmaths.hpp"
 #include "objects/Entities.hpp"
+#include "objects/Entity.hpp"
 #include "voxels/blocks_agent.hpp"
 #include "typedefs.hpp"
 #include "world/LevelEvents.hpp"

src/world/Level.cpp

@@ -5,6 +5,7 @@
 #include "items/Inventories.hpp"
 #include "items/Inventory.hpp"
 #include "objects/Entities.hpp"
+#include "objects/Entity.hpp"
 #include "objects/Player.hpp"
 #include "objects/Players.hpp"
 #include "physics/Hitbox.hpp"