refactor: move movement logic into SpeedSystem and Entity components

include/Cubed/gameplay/client_player.hpp

@@ -65,7 +65,7 @@ public:
     void set_uuid(std::string_view uuid);
     std::string get_uuid() const;
     const std::string& get_name() const;
-    void reset_key_status();
+    void reset_input_status();
     void init(std::string_view name);
 
     bool ray_cast(const glm::vec3& start, const glm::vec3& dir,
@@ -83,7 +83,7 @@ private:
     using enum GameMode;
     float m_max_walk_speed = DEFAULT_MAX_WALK_SPEED;
     float m_max_run_speed = DEFAULT_MAX_RUN_SPEED;
-
+    float m_max_y_speed = 7.5f;
     static constexpr float MAX_SPACE_ON_TIME = 0.3f;
     static constexpr float PLACE_BLOCK_INTERVAL = 0.2f;
     Movement m_movement{};
@@ -93,12 +93,8 @@ private:
     std::array<ItemStack, HOTBAR_SUM> m_hotbar;
     float m_sensitivity = 0.15f;
 
-    float m_fly_y_speed = 7.5f;
-    bool can_up = true;
-
     float space_on_time = 0.0f;
     bool space_on = false;
-    bool is_fly = false;
 
     int m_selected_hotbar = 0;
 
@@ -106,7 +102,6 @@ private:
     bool m_sprinting = false;
     bool m_underwater = false;
 
-    glm::vec3 direction = glm::vec3(0.0f, 0.0f, 0.0f);
     glm::vec3 move_distance{0.0f, 0.0f, 0.0f};
     // player is tow block tall, the pos is the lower pos
     ChunkPos m_last_chunk_pos{0, 0};
@@ -115,7 +110,6 @@ private:
     glm::vec3 m_right{0, 0, 0};
     static constexpr glm::vec3 M_SIZE{0.6f, 1.8f, 0.6f};
 
-    MoveState m_move_state{};
     MouseState m_mouse_state{};
     GameMode m_game_mode = CREATIVE;
     std::optional<LookBlock> m_look_block = std::nullopt;

include/Cubed/gameplay/entity.hpp

@@ -37,7 +37,7 @@ struct Orientation {
 
 struct Velocity {
     glm::vec3 value{0.0f};
-    glm::vec3 max{4.5f};
+    glm::vec3 max{4.5f, 7.5f, 7.5f};
 };
 
 struct HitBoxes {
@@ -54,6 +54,22 @@ struct Gravity {
     float value = DEFAULT_G;
 };
 
+struct MoveState {
+    bool forward = false;
+    bool back = false;
+    bool left = false;
+    bool right = false;
+    bool down = false;
+    bool up = false;
+
+    bool is_fly = false;
+    bool can_up = true;
+};
+
+struct Direction {
+    glm::vec3 value{0.0f};
+};
+
 class Entity {
 public:
     glm::vec3& max_speed();
@@ -67,13 +83,24 @@ public:
     float& walk_time();
     Gait get_gait() const;
 
+    Velocity& velocity();
+    Position& pos();
+    WalkPose& walk_pose();
+    Orientation& angle();
+    Movement& movement();
+    Gravity& gravity();
+    MoveState& move_state();
+    Direction& direction();
+
 protected:
     Position m_pos;
-    WalkPose m_walk_pos;
+    WalkPose m_walk_pose;
     Velocity m_velocity;
     Orientation m_angle;
     Movement m_movement;
     Gravity m_gravity;
+    MoveState m_move_state;
+    Direction m_direction;
 };
 
 } // namespace Cubed

include/Cubed/gameplay/systems/speed_system.hpp

@@ -0,0 +1,63 @@
+#pragma once
+
+#include "Cubed/gameplay/entity.hpp"
+
+namespace Cubed {
+class SpeedSystem {
+public:
+    static void update(float dt, Entity& e) {
+        auto& m_velocity = e.velocity();
+        auto& m_move_state = e.move_state();
+        auto& m_movement = e.movement();
+        auto& direction = e.direction();
+        auto& m_gravity = e.gravity();
+        // calculate speed
+        if (m_move_state.forward || m_move_state.back || m_move_state.left ||
+            m_move_state.right) {
+            direction.value = glm::vec3(0.0f, 0.0f, 0.0f);
+            m_velocity.value.x += m_movement.acceleration * dt;
+            m_velocity.value.z += m_movement.acceleration * dt;
+            if (m_velocity.value.x > m_velocity.max.x) {
+                m_velocity.value.x = m_velocity.max.x;
+            }
+            if (m_velocity.value.z > m_velocity.max.z) {
+                m_velocity.value.z = m_velocity.max.z;
+            }
+        } else {
+            m_velocity.value.x += -m_movement.deceleration * dt;
+            m_velocity.value.z += -m_movement.deceleration * dt;
+            if (m_velocity.value.z < 0.0f) {
+                m_velocity.value.z = 0.0f;
+            }
+            if (m_velocity.value.x < 0.0f) {
+                m_velocity.value.x = 0.0f;
+            }
+            if (m_velocity.value.z < 0.0f && m_velocity.value.x < 0.0f) {
+                direction.value = glm::vec3(0.0f, 0.0f, 0.0f);
+            }
+        }
+        if (m_move_state.is_fly) {
+            if (m_move_state.up) {
+                m_velocity.value.y = m_velocity.max.y;
+            }
+
+            if (m_move_state.down) {
+                m_velocity.value.y = -m_velocity.max.y;
+            }
+
+            if (!m_move_state.down && !m_move_state.up) {
+                m_velocity.value.y = 0.0f;
+            }
+        } else {
+            if (m_move_state.up && m_move_state.can_up) {
+                m_velocity.value.y = m_movement.jump_power;
+                m_move_state.can_up = false;
+            }
+
+            m_velocity.value.y += -m_gravity.value * dt;
+        }
+    }
+
+private:
+};
+} // namespace Cubed

include/Cubed/input/input.hpp

@@ -2,15 +2,6 @@
 
 namespace Cubed {
 
-struct MoveState {
-    bool forward = false;
-    bool back = false;
-    bool left = false;
-    bool right = false;
-    bool down = false;
-    bool up = false;
-};
-
 struct MouseState {
     bool left = false;
     bool right = false;

src/dev_panel.cpp

@@ -516,6 +516,7 @@ void DevPanel::show_player_tab_item() {
             m_player->deceleration() = DEFAULT_DECELERATION;
             m_player->g() = DEFAULT_G;
             m_player->change_mode(GameMode::CREATIVE);
+            m_player->fly_y_speed() = 7.5f;
             m_player->set_gait(Gait::WALK);
             m_player_profile.game_mode = 0;
             m_player_profile.gait = 0;

src/gameplay/client_player.cpp

@@ -4,7 +4,7 @@
 #include "Cubed/config.hpp"
 #include "Cubed/debug_collector.hpp"
 #include "Cubed/gameplay/client_world.hpp"
-
+#include "Cubed/gameplay/systems/speed_system.hpp"
 namespace {} // namespace
 
 namespace Cubed {
@@ -108,13 +108,15 @@ void ClientPlayer::change_mode(GameMode mode) {
     m_game_mode = mode;
     Logger::info("Change GameMode to {}", to_str(mode));
     if (mode == CREATIVE) {
-        is_fly = false;
+        m_move_state.is_fly = false;
         m_max_run_speed = DEFAULT_MAX_RUN_SPEED;
-        m_velocity.max = glm::vec3{m_max_walk_speed, 0.0f, m_max_walk_speed};
+        m_velocity.max =
+            glm::vec3{m_max_walk_speed, m_max_y_speed, m_max_walk_speed};
     } else if (mode == SPECTATOR) {
-        is_fly = true;
+        m_move_state.is_fly = true;
-        m_walk_pos.gait = Gait::RUN;
+        m_walk_pose.gait = Gait::RUN;
-        m_velocity.max = glm::vec3{m_max_run_speed, 0.0f, m_max_run_speed};
+        m_velocity.max =
+            glm::vec3{m_max_run_speed, m_max_y_speed, m_max_run_speed};
     }
 }
 void ClientPlayer::reload_config() {
@@ -128,9 +130,9 @@ void ClientPlayer::set_player_pos(const glm::vec3& pos) {
 }
 
 void ClientPlayer::update(float delta_time) {
-    WalkPose pos = m_walk_pos;
+    WalkPose pos = m_walk_pose;
     pos.gait = compute_gait();
-    m_walk_pos = pos;
+    m_walk_pose = pos;
     update_move(delta_time);
     update_lookup_block();
     place_block(delta_time);
@@ -175,7 +177,7 @@ bool ClientPlayer::update_player_move_state(Key key, KeyAction action) {
             m_move_state.up = true;
             if (space_on) {
                 if (m_game_mode == CREATIVE) {
-                    is_fly = !is_fly;
+                    m_move_state.is_fly = !m_move_state.is_fly;
                     m_velocity.value.y = 0.0f;
                 }
                 space_on = false;
@@ -277,7 +279,7 @@ void ClientPlayer::update_direction() {
     move_dir = move_dir_front + move_dir_right;
 
     if (glm::length(move_dir) > 0.001f) {
-        direction = glm::normalize(move_dir);
+        m_direction.value = glm::normalize(move_dir);
     }
 }
 
@@ -340,26 +342,10 @@ void ClientPlayer::update_move(float delta_time) {
     if (delta_time > 1.0f) {
         return;
     }
+
     if (m_velocity.value.x < 0.01f || m_velocity.value.z < 0.01f) {
         m_sprinting = false;
     }
-    // ensure the thread safe
-    glm::vec3 player_pos;
-
-    {
-        std::shared_lock lock(m_player_pos_mutex);
-        player_pos = m_pos.value;
-    }
-
-    if (m_game_mode != SPECTATOR) {
-        m_velocity.max =
-            (m_walk_pos.gait == Gait::RUN)
-                ? glm::vec3{m_max_run_speed, 0.0f, m_max_run_speed}
-                : glm::vec3{m_max_walk_speed, 0.0f, m_max_walk_speed};
-    } else {
-        m_velocity.max = glm::vec3{m_max_run_speed, 0.0f, m_max_run_speed};
-    }
-
     if (space_on) {
         space_on_time += delta_time;
         if (space_on_time >= MAX_SPACE_ON_TIME) {
@@ -368,59 +354,33 @@ void ClientPlayer::update_move(float delta_time) {
         }
     }
 
-    // calculate speed
+    if (m_game_mode != SPECTATOR) {
-    if (m_move_state.forward || m_move_state.back || m_move_state.left ||
+        m_velocity.max =
-        m_move_state.right) {
+            (m_walk_pose.gait == Gait::RUN)
-        direction = glm::vec3(0.0f, 0.0f, 0.0f);
+                ? glm::vec3{m_max_run_speed, m_max_y_speed, m_max_run_speed}
-        m_velocity.value.x += m_movement.acceleration * delta_time;
+                : glm::vec3{m_max_walk_speed, m_max_y_speed, m_max_walk_speed};
-        m_velocity.value.z += m_movement.acceleration * delta_time;
-        if (m_velocity.value.x > m_velocity.max.x) {
-            m_velocity.value.x = m_velocity.max.x;
-        }
-        if (m_velocity.value.z > m_velocity.max.z) {
-            m_velocity.value.z = m_velocity.max.z;
-        }
     } else {
-        m_velocity.value.x += -m_movement.deceleration * delta_time;
+        m_velocity.max =
-        m_velocity.value.z += -m_movement.deceleration * delta_time;
+            glm::vec3{m_max_run_speed, m_max_y_speed, m_max_run_speed};
-        if (m_velocity.value.z < 0.0f) {
-            m_velocity.value.z = 0.0f;
-        }
-        if (m_velocity.value.x < 0.0f) {
-            m_velocity.value.x = 0.0f;
-        }
-        if (m_velocity.value.z < 0.0f && m_velocity.value.x < 0.0f) {
-            direction = glm::vec3(0.0f, 0.0f, 0.0f);
-        }
     }
 
+    SpeedSystem::update(delta_time, *this);
+
     update_direction();
 
-    move_distance = {direction.x * m_velocity.value.x * delta_time, 0.0f,
+    move_distance = {m_direction.value.x * m_velocity.value.x * delta_time,
-                     direction.z * m_velocity.value.z * delta_time};
+                     0.0f,
-
+                     m_direction.value.z * m_velocity.value.z * delta_time};
-    if (is_fly) {
-        if (m_move_state.up) {
-            m_velocity.value.y = m_fly_y_speed;
-        }
-
-        if (m_move_state.down) {
-            m_velocity.value.y = -m_fly_y_speed;
-        }
-
-        if (!m_move_state.down && !m_move_state.up) {
-            m_velocity.value.y = 0.0f;
-        }
-    } else {
-        if (m_move_state.up && can_up) {
-            m_velocity.value.y = m_movement.jump_power;
-            can_up = false;
-        }
-
-        m_velocity.value.y += -m_gravity.value * delta_time;
-    }
-
     move_distance.y = m_velocity.value.y * delta_time;
+
+    // ensure the thread safe
+    glm::vec3 player_pos;
+
+    {
+        std::shared_lock lock(m_player_pos_mutex);
+        player_pos = m_pos.value;
+    }
+
     // y
     update_y_move(player_pos);
     // x
@@ -512,8 +472,8 @@ void ClientPlayer::update_y_move(glm::vec3& player_pos) {
                         player_pos.y -= move_distance.y;
                         m_velocity.value.y = 0.0f;
                         if (move_distance.y < 0) {
-                            can_up = true;
+                            m_move_state.can_up = true;
-                            is_fly = false;
+                            m_move_state.is_fly = false;
                         }
                         return;
                     }
@@ -669,7 +629,7 @@ ClientPlayer::ChunkPosSet ClientPlayer::get_chunk_pos_set() {
 
 float& ClientPlayer::max_walk_speed() { return m_max_walk_speed; }
 float& ClientPlayer::max_run_speed() { return m_max_run_speed; }
-float& ClientPlayer::fly_y_speed() { return m_fly_y_speed; }
+float& ClientPlayer::fly_y_speed() { return m_max_y_speed; }
 const ItemStack& ClientPlayer::get_current_itemstack() const {
     return m_hotbar[m_selected_hotbar];
 };
@@ -688,7 +648,7 @@ std::string ClientPlayer::get_uuid() const {
 }
 const std::string& ClientPlayer::get_name() const { return m_name; }
 
-void ClientPlayer::reset_key_status() {
+void ClientPlayer::reset_input_status() {
     m_mouse_state.left = false;
     m_mouse_state.right = false;
     m_move_state.left = false;
@@ -708,7 +668,7 @@ void ClientPlayer::init(std::string_view name) {
     m_name = name;
 
     m_timers.try_emplace("Player Walk Sound", WALK_SOUND_INTERVAL, [this]() {
-        if (!m_moving || is_fly) {
+        if (!m_moving || m_move_state.is_fly) {
             return;
         }
         glm::ivec3 block;

src/gameplay/client_world.cpp

@@ -692,7 +692,7 @@ void ClientWorld::request_chunk() {
     Logger::info("Send Chunk Request Success");
     m_requesting_chunk = false;
 }
-void ClientWorld::reset_key_status() { m_player.reset_key_status(); }
+void ClientWorld::reset_key_status() { m_player.reset_input_status(); }
 void ClientWorld::receive_chunk(std::vector<uint8_t> raw_data,
                                 PacketHeader header) {
 

src/gameplay/entity.cpp

@@ -5,10 +5,19 @@ glm::vec3& Entity::max_speed() { return m_velocity.max; }
 float& Entity::acceleration() { return m_movement.acceleration; }
 float& Entity::deceleration() { return m_movement.deceleration; }
 float& Entity::g() { return m_gravity.value; }
-void Entity::set_gait(Gait gait) { m_walk_pos.gait = gait; }
+void Entity::set_gait(Gait gait) { m_walk_pose.gait = gait; }
 float Entity::yaw() const { return m_angle.yaw; }
 float Entity::pitch() const { return m_angle.pitch; }
 float& Entity::roll() { return m_angle.roll; }
-float& Entity::walk_time() { return m_walk_pos.walk_time; }
+float& Entity::walk_time() { return m_walk_pose.walk_time; }
-Gait Entity::get_gait() const { return m_walk_pos.gait; }
+Gait Entity::get_gait() const { return m_walk_pose.gait; }
+
+Velocity& Entity::velocity() { return m_velocity; }
+Position& Entity::pos() { return m_pos; }
+WalkPose& Entity::walk_pose() { return m_walk_pose; }
+Orientation& Entity::angle() { return m_angle; }
+Movement& Entity::movement() { return m_movement; }
+Gravity& Entity::gravity() { return m_gravity; }
+MoveState& Entity::move_state() { return m_move_state; }
+Direction& Entity::direction() { return m_direction; }
 } // namespace Cubed

src/window.cpp

@@ -330,7 +330,7 @@ void Window::set_imgui_enabled(bool enable) {
     if (m_camera) {
         auto player = m_camera->player();
         if (player) {
-            player->reset_key_status();
+            player->reset_input_status();
         }
     }
 }