Refact + 3d rendering

README.md

@@ -88,7 +88,7 @@ MyEngine/
 │   ├── include/
 │   │   └── deerith/
 │   ├── src/
-│   └── shaders/
+│   └── shader_ts/
 │
 ├── sandbox/
 │   ├── CMakeLists.txt
@@ -128,7 +128,7 @@ Dependencies:
 * GLFW
 * GLM
 
-It also copies the engine shaders into the build directory automatically.
+It also copies the engine shader_ts into the build directory automatically.
 
 ### Sandbox
 
@@ -140,21 +140,21 @@ It links against:
 DeerithClient
 ```
 
-## Shader Files
+## shader_t Files
 
-Shaders are located in:
+shader_ts are located in:
 
 ```text
-deerith_engine_client/shaders/
+deerith_engine_client/shader_ts/
 ```
 
 CMake automatically copies them to the corresponding build directory:
 
 ```text
-build/deerith_engine_client/shaders/
+build/deerith_engine_client/shader_ts/
 ```
 
-This is done by the `DeerithClientShaders` custom target.
+This is done by the `DeerithClientshader_ts` custom target.
 
 ## Clean Build
 

deerith_engine_client/include/deerith/graphics/camera.h

@@ -0,0 +1,21 @@
+#pragma once
+#include <glm/glm.hpp>
+#include <glm/gtc/quaternion.hpp>
+
+namespace deerith
+{
+    class shader_t;
+
+    struct camera_t
+    {
+        glm::vec3 position{0.0f};
+        glm::quat rotation{1.0f, 0.0f, 0.0f, 0.0f};
+
+        float field_of_view = glm::radians(70.0f);
+        float near_plane = 0.1f;
+        float far_plane = 1000.0f;
+    };
+
+    void set_camera_to_shader(const camera_t &, shader_t *);
+    void set_transform_to_shader(const glm::vec3 &position, const glm::quat &rotation, const glm::vec3 size, shader_t *);
+}

deerith_engine_client/include/deerith/graphics/mesh.h

@@ -3,18 +3,33 @@
 
 namespace deerith
 {
-    class Mesh2D
+    class mesh_2d_t
     {
     public:
-        Mesh2D(const glm::vec2 *vertices,
+        mesh_2d_t(const glm::vec2 *vertices, size_t vertex_size, const unsigned int *indices, size_t index_count);
-               size_t vertex_size,
-               const unsigned int *indices,
-               size_t index_count);
 
         void bind() const;
         void draw() const;
 
-        ~Mesh2D();
+        ~mesh_2d_t();
+
+    private:
+        unsigned int vao;
+        unsigned int vbo;
+        unsigned int ebo;
+
+        size_t index_count;
+    };
+
+    class mesh_3d_t
+    {
+    public:
+        mesh_3d_t(const glm::vec3 *vertices, size_t vertex_size, const unsigned int *indices, size_t index_count);
+
+        void bind() const;
+        void draw() const;
+
+        ~mesh_3d_t();
 
     private:
         unsigned int vao;

deerith_engine_client/include/deerith/graphics/primitive.h

@@ -3,8 +3,14 @@
 
 namespace deerith
 {
-    void define_primitive_viewspace(glm::vec2 start_viewspace, glm::vec2 end_viewspace);
+    class shader_t;
-    void define_primitive_color(glm::vec4 color);
+    class mesh_3d_t;
+
+    void set_primitive_viewspace(glm::vec2 start_viewspace, glm::vec2 end_viewspace);
+    void set_primitive_color(glm::vec4 color);
 
     void draw_primitive_rectangle(glm::vec2 start, glm::vec2 end);
+
+    shader_t *get_lit_shader();
+    mesh_3d_t *get_cube_mesh();
 }

deerith_engine_client/include/deerith/graphics/shader.h

@@ -4,12 +4,12 @@
 
 namespace deerith
 {
-    class Shader
+    class shader_t
     {
     public:
         unsigned int id;
 
-        Shader(const char *vertexPath, const char *fragmentPath);
+        shader_t(const char *vertexPath, const char *fragmentPath);
 
         void use() const;
 

deerith_engine_client/include/deerith/world/chunk_render.h

@@ -1,9 +1,13 @@
 #pragma once
 #include <deerith/engine.h>
+#include <deerith/graphics/mesh.h>
 
 namespace deerith
 {
     struct chunk_render_t
     {
+        std::unique_ptr<mesh_2d_t> chunk_mesh;
+
+        void draw();
     };
 }

deerith_engine_client/shaders/lit.frag.glsl

@@ -0,0 +1,10 @@
+#version 330 core
+
+uniform vec4 u_color = vec4(0.75, 0.8, 0.9, 1.0);
+
+out vec4 frag_color;
+
+void main()
+{
+    frag_color = u_color;
+}

deerith_engine_client/shaders/lit.vert.glsl

@@ -0,0 +1,12 @@
+#version 330 core
+
+layout (location = 0) in vec3 a_position;
+
+uniform mat4 u_model;
+uniform mat4 u_view;
+uniform mat4 u_projection;
+
+void main()
+{
+    gl_Position = u_projection * u_view * u_model * vec4(a_position, 1.0);
+}

deerith_engine_client/src/engine.cpp

@@ -1,6 +1,5 @@
 #include <deerith/engine.h>
 #include <deerith/core/log.h>
-#include <deerith/core/core.h>
 
 #include "network/network_internals.h"
 

deerith_engine_client/src/graphics/camera.cpp

@@ -0,0 +1,35 @@
+#include <deerith/graphics/camera.h>
+#include <deerith/graphics/shader.h>
+#include <deerith/graphics/window.h>
+
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+#include <glm/gtc/quaternion.hpp>
+
+void deerith::set_camera_to_shader(const camera_t &camera, shader_t *shader)
+{
+    const glm::mat4 projection = glm::perspective(
+        camera.field_of_view,
+        get_window_aspect_ratio(),
+        camera.near_plane,
+        camera.far_plane);
+
+    const glm::mat4 rotation = glm::mat4_cast(camera.rotation);
+    const glm::mat4 translation = glm::translate(glm::mat4(1.0f), -camera.position);
+
+    const glm::mat4 view = glm::scale(glm::mat4(1.0f), glm::vec3(1.0f, 1.0f, -1.0f)) * glm::transpose(rotation) * translation;
+
+    shader->set_matrix("u_projection", projection);
+    shader->set_matrix("u_view", view);
+}
+
+void deerith::set_transform_to_shader(const glm::vec3 &position, const glm::quat &rotation, const glm::vec3 size, shader_t *shader)
+{
+    glm::mat4 translation = glm::translate(glm::mat4(1.0f), position);
+    glm::mat4 rotation_matrix = glm::mat4_cast(rotation);
+    glm::mat4 scale = glm::scale(glm::mat4(1.0f), size);
+
+    glm::mat4 model = translation * rotation_matrix * scale;
+
+    shader->set_matrix("u_model", model);
+}

deerith_engine_client/src/graphics/mesh.cpp

@@ -1,7 +1,7 @@
 #include <deerith/graphics/mesh.h>
 #include <glad/gl.h>
 
-deerith::Mesh2D::Mesh2D(
+deerith::mesh_2d_t::mesh_2d_t(
     const glm::vec2 *vertices,
     std::size_t vertex_count,
     const unsigned int *indices,
@@ -42,19 +42,19 @@ deerith::Mesh2D::Mesh2D(
     glBindVertexArray(0);
 }
 
-deerith::Mesh2D::~Mesh2D()
+deerith::mesh_2d_t::~mesh_2d_t()
 {
     glDeleteVertexArrays(1, &vao);
     glDeleteBuffers(1, &vbo);
     glDeleteBuffers(1, &ebo);
 }
 
-void deerith::Mesh2D::bind() const
+void deerith::mesh_2d_t::bind() const
 {
     glBindVertexArray(vao);
 }
 
-void deerith::Mesh2D::draw() const
+void deerith::mesh_2d_t::draw() const
 {
     glBindVertexArray(vao);
 
@@ -63,4 +63,68 @@ void deerith::Mesh2D::draw() const
         static_cast<GLsizei>(index_count),
         GL_UNSIGNED_INT,
         nullptr);
-}
+}
+
+deerith::mesh_3d_t::mesh_3d_t(
+    const glm::vec3 *vertices,
+    std::size_t vertex_count,
+    const unsigned int *indices,
+    std::size_t index_count)
+    : index_count(index_count)
+{
+    glGenVertexArrays(1, &vao);
+    glGenBuffers(1, &vbo);
+    glGenBuffers(1, &ebo);
+
+    glBindVertexArray(vao);
+
+    glBindBuffer(GL_ARRAY_BUFFER, vbo);
+    glBufferData(
+        GL_ARRAY_BUFFER,
+        vertex_count * sizeof(glm::vec3),
+        vertices,
+        GL_STATIC_DRAW);
+
+    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
+    glBufferData(
+        GL_ELEMENT_ARRAY_BUFFER,
+        index_count * sizeof(unsigned int),
+        indices,
+        GL_STATIC_DRAW);
+
+    // Position: vec2
+    glVertexAttribPointer(
+        0,
+        3,
+        GL_FLOAT,
+        GL_FALSE,
+        3 * sizeof(float),
+        nullptr);
+
+    glEnableVertexAttribArray(0);
+
+    glBindVertexArray(0);
+}
+
+deerith::mesh_3d_t::~mesh_3d_t()
+{
+    glDeleteVertexArrays(1, &vao);
+    glDeleteBuffers(1, &vbo);
+    glDeleteBuffers(1, &ebo);
+}
+
+void deerith::mesh_3d_t::bind() const
+{
+    glBindVertexArray(vao);
+}
+
+void deerith::mesh_3d_t::draw() const
+{
+    glBindVertexArray(vao);
+
+    glDrawElements(
+        GL_TRIANGLES,
+        static_cast<GLsizei>(index_count),
+        GL_UNSIGNED_INT,
+        nullptr);
+}

deerith_engine_client/src/graphics/primitive_internals.h

@@ -15,4 +15,68 @@ namespace deerith
     const unsigned int rectangle_indices[6] = {
         0, 2, 1,
         1, 2, 3};
+
+    const glm::vec3 cube_vertices[8] = {
+        // Front face (Z = 1)
+        {0, 0, 1}, // 0: Bottom-left
+        {1, 0, 1}, // 1: Bottom-right
+        {0, 1, 1}, // 2: Top-left
+        {1, 1, 1}, // 3: Top-right
+
+        // Back face (Z = 0)
+        {0, 0, 0}, // 4: Bottom-left
+        {1, 0, 0}, // 5: Bottom-right
+        {0, 1, 0}, // 6: Top-left
+        {1, 1, 0}, // 7: Top-right
+    };
+
+    const unsigned int cube_indices[36] = {
+        // Front (+Z)
+        0,
+        2,
+        1,
+        1,
+        2,
+        3,
+
+        // Back (-Z)
+        5,
+        7,
+        4,
+        4,
+        7,
+        6,
+
+        // Left (-X)
+        4,
+        6,
+        0,
+        0,
+        6,
+        2,
+
+        // Right (+X)
+        1,
+        3,
+        5,
+        5,
+        3,
+        7,
+
+        // Top (+Y)
+        2,
+        6,
+        3,
+        3,
+        6,
+        7,
+
+        // Bottom (-Y)
+        4,
+        0,
+        5,
+        5,
+        0,
+        1,
+    };
 }

deerith_engine_client/src/graphics/primitives.cpp

@@ -1,7 +1,8 @@
 #include "primitive_internals.h"
 #include "deerith/graphics/primitive.h"
-#include "deerith/graphics/shader.h"
+#include <deerith/graphics/shader.h>
 #include "deerith/graphics/mesh.h"
+#include <deerith/engine.h>
 
 #include "glm/glm.hpp"
 #include "glm/mat4x4.hpp"
@@ -9,24 +10,31 @@
 #include <glm/gtc/matrix_transform.hpp>
 
 #include <glm/gtc/type_ptr.hpp>
-#include <deerith/core/log.h>
-#include <memory>
 
 #include <glad/gl.h>
 
 namespace deerith
 {
-    std::unique_ptr<Shader> primitive_shader;
+    std::unique_ptr<shader_t> primitive_shader;
-    std::unique_ptr<Mesh2D> primitive_rectangle_mesh;
+    std::unique_ptr<mesh_2d_t> primitive_rectangle_mesh;
+
+    std::unique_ptr<shader_t> lit_shader;
+    std::unique_ptr<mesh_3d_t> cube_mesh;
+
 }
 
 void deerith::init_primitives()
 {
-    primitive_shader = std::make_unique<Shader>(
+    primitive_shader = std::make_unique<shader_t>(
         "../deerith_engine_client/shaders/primitive.vert.glsl",
         "../deerith_engine_client/shaders/primitive.frag.glsl");
 
-    primitive_rectangle_mesh = std::make_unique<Mesh2D>(rectangle_vertices, 4, rectangle_indices, 6);
+    primitive_rectangle_mesh = std::make_unique<mesh_2d_t>(rectangle_vertices, 4, rectangle_indices, 6);
+    lit_shader = std::make_unique<shader_t>(
+        "../deerith_engine_client/shaders/lit.vert.glsl",
+        "../deerith_engine_client/shaders/lit.frag.glsl");
+
+    cube_mesh = std::make_unique<mesh_3d_t>(cube_vertices, 8, cube_indices, 36); // 6 faces * 2 * 3
 }
 
 void deerith::shutdown_primitives()
@@ -35,15 +43,19 @@ void deerith::shutdown_primitives()
     primitive_shader.reset();
     primitive_rectangle_mesh.release();
     primitive_rectangle_mesh.reset();
+    lit_shader.release();
+    lit_shader.reset();
+    cube_mesh.release();
+    cube_mesh.reset();
 }
 
-void deerith::define_primitive_viewspace(glm::vec2 start_viewspace, glm::vec2 end_viewspace)
+void deerith::set_primitive_viewspace(glm::vec2 start_viewspace, glm::vec2 end_viewspace)
 {
     float width = end_viewspace.x - start_viewspace.x;
     float height = end_viewspace.y - start_viewspace.y;
 
-    deerith_assert(width > 0, "define_primitive_viewspace width must be > 0");
+    deerith_assert(width > 0, "set_primitive_viewspace width must be > 0");
-    deerith_assert(height > 0, "define_primitive_viewspace height must be > 0");
+    deerith_assert(height > 0, "set_primitive_viewspace height must be > 0");
 
     glm::mat4 m_projection = glm::ortho(
         start_viewspace.x,
@@ -56,7 +68,7 @@ void deerith::define_primitive_viewspace(glm::vec2 start_viewspace, glm::vec2 en
     primitive_shader->set_matrix("uViewProjection", m_projection);
 }
 
-void deerith::define_primitive_color(glm::vec4 color)
+void deerith::set_primitive_color(glm::vec4 color)
 {
     primitive_shader->set_vec4("uColor", color);
 }
@@ -75,4 +87,14 @@ void deerith::draw_primitive_rectangle(glm::vec2 start, glm::vec2 end)
     primitive_shader->use();
     primitive_shader->set_matrix("uTransform", model);
     primitive_rectangle_mesh->draw();
+}
+
+deerith::shader_t *deerith::get_lit_shader()
+{
+    return lit_shader.get();
+}
+
+deerith::mesh_3d_t *deerith::get_cube_mesh()
+{
+    return cube_mesh.get();
 }

deerith_engine_client/src/graphics/shader.cpp

@@ -21,12 +21,10 @@ std::filesystem::path get_executable_directory()
     if (length == -1)
         throw std::runtime_error("Failed to get executable path");
 
-    return std::filesystem::path(
+    return std::filesystem::path(std::string(buffer.data(), length)).parent_path();
-               std::string(buffer.data(), length))
-        .parent_path();
 }
 
-deerith::Shader::Shader(const char *vertexPath, const char *fragmentPath)
+deerith::shader_t::shader_t(const char *vertexPath, const char *fragmentPath)
 {
     std::string vertexCode;
     std::string fragmentCode;
@@ -74,57 +72,57 @@ deerith::Shader::Shader(const char *vertexPath, const char *fragmentPath)
     const char *vertexSource = vertexCode.c_str();
     const char *fragmentSource = fragmentCode.c_str();
 
-    unsigned int vertexShader = glCreateShader(GL_VERTEX_SHADER);
+    unsigned int vertex_shader = glCreateShader(GL_VERTEX_SHADER);
 
     glShaderSource(
-        vertexShader,
+        vertex_shader,
         1,
         &vertexSource,
         nullptr);
 
-    glCompileShader(vertexShader);
+    glCompileShader(vertex_shader);
 
     int success;
     char infoLog[1024];
 
     glGetShaderiv(
-        vertexShader,
+        vertex_shader,
         GL_COMPILE_STATUS,
         &success);
 
     if (!success)
     {
         glGetShaderInfoLog(
-            vertexShader,
+            vertex_shader,
             sizeof(infoLog),
             nullptr,
             infoLog);
 
         std::cerr
-            << "ERROR::SHADER::VERTEX::COMPILATION_FAILED\n"
+            << "ERROR::shader_t::VERTEX::COMPILATION_FAILED\n"
             << infoLog
             << std::endl;
     }
 
-    unsigned int fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
+    unsigned int fragment_shader = glCreateShader(GL_FRAGMENT_SHADER);
 
     glShaderSource(
-        fragmentShader,
+        fragment_shader,
         1,
         &fragmentSource,
         nullptr);
 
-    glCompileShader(fragmentShader);
+    glCompileShader(fragment_shader);
 
     glGetShaderiv(
-        fragmentShader,
+        fragment_shader,
         GL_COMPILE_STATUS,
         &success);
 
     if (!success)
     {
         glGetShaderInfoLog(
-            fragmentShader,
+            fragment_shader,
             sizeof(infoLog),
             nullptr,
             infoLog);
@@ -137,8 +135,8 @@ deerith::Shader::Shader(const char *vertexPath, const char *fragmentPath)
 
     id = glCreateProgram();
 
-    glAttachShader(id, vertexShader);
+    glAttachShader(id, vertex_shader);
-    glAttachShader(id, fragmentShader);
+    glAttachShader(id, fragment_shader);
 
     glLinkProgram(id);
 
@@ -156,21 +154,21 @@ deerith::Shader::Shader(const char *vertexPath, const char *fragmentPath)
             infoLog);
 
         std::cerr
-            << "ERROR::SHADER::PROGRAM::LINKING_FAILED\n"
+            << "ERROR::shader_t::PROGRAM::LINKING_FAILED\n"
             << infoLog
             << std::endl;
     }
 
-    glDeleteShader(vertexShader);
+    glDeleteShader(vertex_shader);
-    glDeleteShader(fragmentShader);
+    glDeleteShader(fragment_shader);
 }
 
-void deerith::Shader::use() const
+void deerith::shader_t::use() const
 {
     glUseProgram(id);
 }
 
-void deerith::Shader::set_bool(const char *name, bool value) const
+void deerith::shader_t::set_bool(const char *name, bool value) const
 {
     this->use();
     glUniform1i(
@@ -178,7 +176,7 @@ void deerith::Shader::set_bool(const char *name, bool value) const
         static_cast<int>(value));
 }
 
-void deerith::Shader::set_int(const char *name, int value) const
+void deerith::shader_t::set_int(const char *name, int value) const
 {
     this->use();
     glUniform1i(
@@ -186,7 +184,7 @@ void deerith::Shader::set_int(const char *name, int value) const
         value);
 }
 
-void deerith::Shader::set_float(const char *name, float value) const
+void deerith::shader_t::set_float(const char *name, float value) const
 {
     this->use();
     glUniform1f(
@@ -194,7 +192,7 @@ void deerith::Shader::set_float(const char *name, float value) const
         value);
 }
 
-void deerith::Shader::set_matrix(
+void deerith::shader_t::set_matrix(
     const char *name,
     const glm::mat4 &value)
 {
@@ -206,7 +204,7 @@ void deerith::Shader::set_matrix(
         glm::value_ptr(value));
 }
 
-void deerith::Shader::set_vec3(
+void deerith::shader_t::set_vec3(
     const char *name,
     const glm::vec3 &value)
 {
@@ -217,7 +215,7 @@ void deerith::Shader::set_vec3(
         glm::value_ptr(value));
 }
 
-void deerith::Shader::set_vec4(
+void deerith::shader_t::set_vec4(
     const char *name,
     const glm::vec4 &value)
 {

deerith_engine_client/src/world/player_movment.cpp

@@ -3,7 +3,7 @@
 #include <deerith/graphics/window.h>
 #include <deerith/network/router.h>
 #include <deerith/network/packets.h>
-#include <deerith/world/entity.h>
+#include <deerith/world/components.h>
 
 #include "world/world_internals.h"
 
@@ -23,7 +23,7 @@ void deerith::process_player_input()
         movment = glm::vec2(0, 0);
     }
 
-    entity_sync_client_position_t &entity_sync_position = get_component<entity_sync_client_position_t>(self_entity);
+    component_player_sync_input_t &entity_sync_position = get_component<component_player_sync_input_t>(self_entity);
 
     entity_sync_position.move_input = movment;
     entity_sync_position.position = entity_sync_position.position.read_value() + movment * 0.1f;
@@ -33,9 +33,9 @@ void deerith::send_player_input()
 {
     if (self_entity == entt::null)
         return;
-    entity_sync_client_position_t &entity_sync_position = get_component<entity_sync_client_position_t>(self_entity);
+    component_player_sync_input_t &entity_sync_position = get_component<component_player_sync_input_t>(self_entity);
 
-    sync_entity_player_position_packet_t packet{};
+    packet_update_player_input_t packet{};
     packet.input_transport.load(entity_sync_position.move_input);
     packet.position_transport.load(entity_sync_position.position);
 

deerith_engine_client/src/world/server_communication.cpp

@@ -1,7 +1,7 @@
 #include <deerith/engine.h>
 #include <deerith/network/router.h>
 #include <deerith/network/packets.h>
-#include <deerith/world/entity.h>
+#include <deerith/world/components.h>
 #include <deerith/world.h>
 
 #include "world/world_internals.h"
@@ -9,29 +9,29 @@
 
 void deerith::setup_base_protocols()
 {
-    router_add_packet_processor<sync_world_tick_packet_t>();
+    router_add_packet_processor<packet_sync_world_tick_t>();
-    router_add_packet_processor<create_player_entity_packet_t>();
+    router_add_packet_processor<packet_create_player_entity_t>();
-    router_add_packet_processor<create_entity_packet_t>();
+    router_add_packet_processor<packet_create_entity_t>();
-    router_add_packet_processor<sync_entities_coordinates_packet_t>();
+    router_add_packet_processor<packet_update_entities_coordinates_t>();
-    router_add_packet_processor<destroy_entity_packet_t>();
+    router_add_packet_processor<packet_destroy_entity_t>();
 }
 
 template <>
-void deerith::process_packet(deerith::sync_world_tick_packet_t &packet, client_t *client)
+void deerith::process_packet(deerith::packet_sync_world_tick_t &packet, client_t *client)
 {
     deerith_trace("tick set to {}", packet.tick_id);
     set_tick(packet.tick_id);
 }
 
 template <>
-void deerith::process_packet(deerith::create_player_entity_packet_t &packet, client_t *client)
+void deerith::process_packet(deerith::packet_create_player_entity_t &packet, client_t *client)
 {
     self_entity = create_entity();
-    add_component<entity_sync_client_position_t>(self_entity);
+    add_component<component_player_sync_input_t>(self_entity);
 }
 
 template <>
-void deerith::process_packet(deerith::create_entity_packet_t &packet, client_t *client)
+void deerith::process_packet(deerith::packet_create_entity_t &packet, client_t *client)
 {
     deerith_trace("creating entity with network id {}", packet.network_sync_id);
 
@@ -46,17 +46,17 @@ void deerith::process_packet(deerith::create_entity_packet_t &packet, client_t *
         entity = create_entity();
     }
 
-    entity_network_id_t &entity_network_id = add_entity_network_with_id(entity, packet.network_sync_id);
+    component_network_id_t &entity_network_id = add_entity_network_with_id(entity, packet.network_sync_id);
 
     if (packet.add_entity_sync_coordinates)
     {
         deerith_trace("-> adding entity sync coordinates to entity");
-        entity_sync_coordinates_t &sync_coords = add_component<entity_sync_coordinates_t>(entity);
+        component_sync_coordinates_t &sync_coords = add_component<component_sync_coordinates_t>(entity);
     }
 }
 
 template <>
-void deerith::process_packet(deerith::sync_entities_coordinates_packet_t &packet, client_t *client)
+void deerith::process_packet(deerith::packet_update_entities_coordinates_t &packet, client_t *client)
 {
     for (int i = 0; i < packet.entities_ids.size(); i++)
     {
@@ -66,14 +66,14 @@ void deerith::process_packet(deerith::sync_entities_coordinates_packet_t &packet
         }
 
         entity_t entity = get_network_entity_with_id(packet.entities_ids[i]);
-        entity_sync_coordinates_t &sync_coords = get_component<entity_sync_coordinates_t>(entity);
+        component_sync_coordinates_t &sync_coords = get_component<component_sync_coordinates_t>(entity);
 
         packet.positions_to_update[i].recive(sync_coords.position);
     }
 }
 
 template <>
-void deerith::process_packet(deerith::destroy_entity_packet_t &packet, client_t *client)
+void deerith::process_packet(deerith::packet_destroy_entity_t &packet, client_t *client)
 {
     deerith_trace("destroying entity : {}", packet.network_sync_id);
     entity_t specific_entity = get_network_entity_with_id(packet.network_sync_id);

deerith_engine_client/src/world/world_render.cpp

@@ -1,28 +1,58 @@
 #include <deerith/world.h>
-#include <deerith/world/entity.h>
+#include <deerith/world/components.h>
 
+#include <deerith/graphics/camera.h>
+#include <deerith/graphics/mesh.h>
+#include <deerith/graphics/shader.h>
 #include <deerith/graphics/primitive.h>
 
+#include <glm/glm.hpp>
+#include <glm/gtc/quaternion.hpp>
+
 void deerith::render_world()
 {
-    define_primitive_viewspace(glm::vec2(-10, -10), glm::vec2(10, 10));
+    set_primitive_viewspace(glm::vec2(-10, -10), glm::vec2(10, 10));
 
-    auto entities_view = get_entity_registry().view<entity_sync_coordinates_t>(entt::exclude<entity_sync_client_position_t>);
+    auto entities_view = get_entity_registry().view<component_sync_coordinates_t>(entt::exclude<component_player_sync_input_t>);
     for (auto [entity, sync_coords] : entities_view.each())
     {
         glm::vec2 chords;
         if (sync_coords.position.read_synced(chords))
         {
-            define_primitive_color(glm::vec4(1, 1, 1, 1));
+            camera_t camera;
-            draw_primitive_rectangle(chords - glm::vec2(0.5f, 0.5f), chords + glm::vec2(0.5f, 0.5f));
+            camera.position = glm::vec3(0, 0, -10);
+
+            glm::vec3 position = glm::vec3(chords.x, 0, chords.y);
+            glm::quat rotation = glm::identity<glm::quat>();
+            glm::vec3 scale = glm::vec3(1, 1, 1);
+
+            set_camera_to_shader(camera, get_lit_shader());
+            set_transform_to_shader(position, rotation, scale, get_lit_shader());
+
+            get_lit_shader()->set_vec4("u_color", glm::vec4(1, 0.4f, 0.6f, 1));
+            get_lit_shader()->use();
+            get_cube_mesh()->draw();
         }
     }
 
     // we should expect only one registry
-    auto self_view = get_entity_registry().view<entity_sync_coordinates_t, entity_sync_client_position_t>();
+    auto self_view = get_entity_registry().view<component_sync_coordinates_t, component_player_sync_input_t>();
     for (auto [entity, sync_coords, client_sync_coords] : self_view.each())
     {
-        define_primitive_color(glm::vec4(1, 0.5f, 0.6f, 1));
+
-        draw_primitive_rectangle(client_sync_coords.position.read_value() - glm::vec2(0.5f, 0.5f), client_sync_coords.position.read_value() + glm::vec2(0.5f, 0.5f));
+        camera_t camera;
+        camera.position = glm::vec3(0, 0, -10);
+
+        get_lit_shader()->set_vec4("u_color", glm::vec4(0.8f, 0.8f, 0.8f, 1));
+        glm::vec2 user_pos = client_sync_coords.position.read_value();
+        glm::vec3 position = glm::vec3(user_pos.x, 0, user_pos.y);
+        glm::quat rotation = glm::identity<glm::quat>();
+        glm::vec3 scale = glm::vec3(1, 1, 1);
+
+        set_camera_to_shader(camera, get_lit_shader());
+        set_transform_to_shader(position, rotation, scale, get_lit_shader());
+
+        get_lit_shader()->use();
+        get_cube_mesh()->draw();
     }
 }

deerith_engine_core/include/deerith/core/core.h

@@ -1,6 +0,0 @@
-#pragma once
-
-namespace deerith
-{
-
-}

deerith_engine_core/include/deerith/engine.h

@@ -1,7 +1,6 @@
 #pragma once
 #include <cstdint>
 #include <deerith/core/log.h>
-#include <deerith/core/core.h>
 
 #define world_SIMULATION_TICK_FREQ 50
 #define NETWORK_RELATIVE_TICK 2

deerith_engine_core/include/deerith/network/packets.h

@@ -1,12 +1,12 @@
 #pragma once
 #include <deerith/engine.h>
-#include <deerith/world/entity.h>
+#include <deerith/world/components.h>
 
 #include <vector>
 
 namespace deerith
 {
-    struct sync_world_tick_packet_t
+    struct packet_sync_world_tick_t
     {
         static constexpr uint16_t packet_id = 1;
         static constexpr bool reliable = true;
@@ -20,13 +20,13 @@ namespace deerith
         }
     };
 
-    struct create_player_entity_packet_t
+    struct packet_create_player_entity_t
     {
         static constexpr uint16_t packet_id = 2;
         static constexpr bool reliable = true;
     };
 
-    struct sync_entity_player_position_packet_t
+    struct packet_update_player_input_t
     {
         static constexpr uint16_t packet_id = 3;
         static constexpr bool reliable = false;
@@ -42,7 +42,7 @@ namespace deerith
         }
     };
 
-    struct create_entity_packet_t
+    struct packet_create_entity_t
     {
         static constexpr uint16_t packet_id = 4;
         static constexpr bool reliable = true;
@@ -60,9 +60,23 @@ namespace deerith
         }
     };
 
-    struct sync_entities_coordinates_packet_t
+    struct packet_destroy_entity_t
     {
         static constexpr uint16_t packet_id = 5;
+        static constexpr bool reliable = true;
+
+        id_t network_sync_id = 0;
+
+        template <typename Archive>
+        void serialize(Archive &archive)
+        {
+            archive(network_sync_id);
+        }
+    };
+
+    struct packet_update_entities_coordinates_t
+    {
+        static constexpr uint16_t packet_id = 6;
         static constexpr bool reliable = false;
 
         std::vector<id_t> entities_ids;
@@ -76,17 +90,4 @@ namespace deerith
         }
     };
 
-    struct destroy_entity_packet_t
-    {
-        static constexpr uint16_t packet_id = 6;
-        static constexpr bool reliable = true;
-
-        id_t network_sync_id = 0;
-
-        template <typename Archive>
-        void serialize(Archive &archive)
-        {
-            archive(network_sync_id);
-        }
-    };
 }

deerith_engine_core/include/deerith/network/sync_variable.h

@@ -1,5 +1,4 @@
 #pragma once
-
 #include <deerith/engine.h>
 #include <deerith/world/world_core.h>
 
@@ -8,7 +7,7 @@
 #include <cstdint>
 
 #include <cereal/types/array.hpp>
-#include <deerith/core/serialization_ext.h>
+#include <deerith/network/serialization_ext.h>
 
 #define SYNC_VARIABLE_STORAGE 30
 #define BUFFER_SIZE (NETWORK_DELAY + SYNC_VARIABLE_STORAGE)

deerith_engine_core/include/deerith/world/character.h

@@ -1,10 +0,0 @@
-#pragma once
-#include <deerith/world/character_sync_interface.h>
-
-namespace deerith
-{
-    struct character_t
-    {
-    };
-
-}

deerith_engine_core/include/deerith/world/components.h

@@ -5,24 +5,24 @@
 namespace deerith
 {
     // struct for linking a entity to a client, mostly in the server
-    struct entity_link_to_client_t
+    struct component_client_link_t
     {
         client_t *client = nullptr;
     };
 
-    struct entity_network_id_t
+    struct component_network_id_t
     {
         id_t network_id;
     };
 
     // struct for linking a entity to a client
-    struct entity_sync_client_position_t
+    struct component_player_sync_input_t
     {
         sync_variable_t<glm::vec2> move_input;
         sync_variable_t<glm::vec2> position;
     };
 
-    struct entity_sync_coordinates_t
+    struct component_sync_coordinates_t
     {
         sync_variable_t<glm::vec2> position;
     };

deerith_engine_core/include/deerith/world/world_core.h

@@ -4,7 +4,7 @@
 
 namespace deerith
 {
-    struct entity_network_id_t;
+    struct component_network_id_t;
 
     using entity_registry_t = entt::registry;
     using entity_t = entt::entity;
@@ -35,8 +35,8 @@ namespace deerith
         return get_entity_registry().all_of<T>(ent);
     }
 
-    entity_network_id_t &add_entity_network_id(entity_t ent);
+    component_network_id_t &add_entity_network_id(entity_t ent);
-    entity_network_id_t &add_entity_network_with_id(entity_t ent, id_t id);
+    component_network_id_t &add_entity_network_with_id(entity_t ent, id_t id);
     entity_t get_network_entity_with_id(id_t id);
     bool exists_network_entity_with_id(id_t id);
 }

deerith_engine_core/src/world.cpp

@@ -1,5 +1,5 @@
 #include <deerith/world/world_core.h>
-#include <deerith/world/entity.h>
+#include <deerith/world/components.h>
 
 #include <vector>
 
@@ -15,14 +15,14 @@ entt::registry &deerith::get_entity_registry()
     return entity_registry;
 }
 
-deerith::entity_network_id_t &deerith::add_entity_network_id(entity_t ent)
+deerith::component_network_id_t &deerith::add_entity_network_id(entity_t ent)
 {
     while (network_entities.contains(sequential_network_id))
     {
         sequential_network_id++;
     }
 
-    entity_network_id_t &network_id = add_component<entity_network_id_t>(ent);
+    component_network_id_t &network_id = add_component<component_network_id_t>(ent);
     network_id.network_id = sequential_network_id;
     network_entities[sequential_network_id] = ent;
 
@@ -30,9 +30,9 @@ deerith::entity_network_id_t &deerith::add_entity_network_id(entity_t ent)
     return network_id;
 }
 
-deerith::entity_network_id_t &deerith::add_entity_network_with_id(entity_t ent, id_t id)
+deerith::component_network_id_t &deerith::add_entity_network_with_id(entity_t ent, id_t id)
 {
-    entity_network_id_t &network_id = add_component<entity_network_id_t>(ent);
+    component_network_id_t &network_id = add_component<component_network_id_t>(ent);
     network_id.network_id = id;
     network_entities[id] = ent;
 

deerith_engine_server/src/core.cpp

@@ -1,7 +1,4 @@
 #include <deerith/engine.h>
-#include <deerith/core/core.h>
-
-#include <deerith/core/log.h>
 
 #include "network/network_internals.h"
 

deerith_engine_server/src/world/player_communication.cpp

@@ -1,6 +1,6 @@
 #include <deerith/engine.h>
 #include <deerith/world.h>
-#include <deerith/world/entity.h>
+#include <deerith/world/components.h>
 #include <deerith/network/packets.h>
 #include <deerith/network/router.h>
 #include <deerith/network/client.h>
@@ -14,14 +14,14 @@ namespace deerith
 }
 void deerith::load_base_protocols()
 {
-    router_add_packet_processor<sync_entity_player_position_packet_t>();
+    router_add_packet_processor<packet_update_player_input_t>();
 }
 
 template <>
-void deerith::process_packet(sync_entity_player_position_packet_t &packet, client_t *client)
+void deerith::process_packet(packet_update_player_input_t &packet, client_t *client)
 {
     entity_t entity = client->entity_id;
-    entity_sync_client_position_t &sync_client = get_component<entity_sync_client_position_t>(entity);
+    component_player_sync_input_t &sync_client = get_component<component_player_sync_input_t>(entity);
 
     packet.input_transport.recive(sync_client.move_input);
     packet.position_transport.recive(sync_client.position);
@@ -30,25 +30,25 @@ void deerith::process_packet(sync_entity_player_position_packet_t &packet, clien
 void deerith::client_connects(client_t *client)
 {
     // sync world tick
-    sync_world_tick_packet_t sync_world_tick;
+    packet_sync_world_tick_t sync_world_tick;
     sync_world_tick.tick_id = get_world_tick();
     router_send_packet(sync_world_tick, client);
 
     // create entity player entity
     entity_t entity = create_entity();
-    entity_sync_client_position_t &position_sync = add_component<entity_sync_client_position_t>(entity);
+    component_player_sync_input_t &position_sync = add_component<component_player_sync_input_t>(entity);
 
-    create_player_entity_packet_t create_player_entity;
+    packet_create_player_entity_t create_player_entity;
     router_send_packet(create_player_entity, client);
 
     // create the server representation of the entity
     add_entity_network_id(entity);
-    add_component<entity_sync_coordinates_t>(entity);
+    add_component<component_sync_coordinates_t>(entity);
 
     send_create_entity_to_all_clients(entity);
 
     // we do this the last to avoid send_create_entity_to_all_clients send_create_actual_entities_to_client create the same entity for the player
-    entity_link_to_client_t &link = add_component<entity_link_to_client_t>(entity);
+    component_client_link_t &link = add_component<component_client_link_t>(entity);
     client->entity_id = entity;
     link.client = client;
 
@@ -57,7 +57,7 @@ void deerith::client_connects(client_t *client)
 
 void deerith::send_create_entity_to_all_clients(deerith::entity_t ent)
 {
-    auto view = get_entity_registry().view<entity_link_to_client_t>();
+    auto view = get_entity_registry().view<component_client_link_t>();
     for (auto [entity, link_to_client] : view.each())
     {
         send_create_entity_to_client(ent, link_to_client.client);
@@ -66,20 +66,20 @@ void deerith::send_create_entity_to_all_clients(deerith::entity_t ent)
 
 void deerith::send_create_entity_to_client(entity_t ent, client_t *client)
 {
-    entity_network_id_t &entity_network_id = get_component<entity_network_id_t>(ent);
+    component_network_id_t &entity_network_id = get_component<component_network_id_t>(ent);
 
-    create_entity_packet_t create_entity;
+    packet_create_entity_t create_entity;
     create_entity.network_sync_id = entity_network_id.network_id;
 
     // in case its the self entity we let it know to the client
-    if (has_component<entity_link_to_client_t>(ent))
+    if (has_component<component_client_link_t>(ent))
     {
-        entity_link_to_client_t &link = get_component<entity_link_to_client_t>(ent);
+        component_client_link_t &link = get_component<component_client_link_t>(ent);
         create_entity.is_self_client = link.client == client;
         deerith_trace("entity could be self {}", create_entity.is_self_client);
     }
 
-    if (has_component<entity_sync_coordinates_t>(ent))
+    if (has_component<component_sync_coordinates_t>(ent))
     {
         create_entity.add_entity_sync_coordinates = true;
     }
@@ -97,12 +97,12 @@ void deerith::client_disconnects(client_t *client)
 
 void deerith::send_delete_entity_to_all_clients(entity_t ent)
 {
-    destroy_entity_packet_t destroy_entity;
+    packet_destroy_entity_t destroy_entity;
-    entity_network_id_t &network_id = get_component<entity_network_id_t>(ent);
+    component_network_id_t &network_id = get_component<component_network_id_t>(ent);
 
     destroy_entity.network_sync_id = network_id.network_id;
 
-    auto view = get_entity_registry().view<entity_link_to_client_t>();
+    auto view = get_entity_registry().view<component_client_link_t>();
     for (auto [entity, link_to_client] : view.each())
     {
         router_send_packet(destroy_entity, link_to_client.client);
@@ -111,7 +111,7 @@ void deerith::send_delete_entity_to_all_clients(entity_t ent)
 
 void deerith::send_create_actual_entities_to_client(client_t *client)
 {
-    auto entities_view = get_entity_registry().view<entity_network_id_t>();
+    auto entities_view = get_entity_registry().view<component_network_id_t>();
 
     for (auto [ent, network_id] : entities_view.each())
     {

deerith_engine_server/src/world/world.cpp

@@ -5,7 +5,7 @@
 #include "network/network_internals.h"
 #include "world/world_internals.h"
 
-#include <deerith/world/entity.h>
+#include <deerith/world/components.h>
 #include <deerith/network/packets.h>
 
 #include <csignal>

deerith_engine_server/src/world/world_internals.h

@@ -1,6 +1,6 @@
 #pragma once
 #include <deerith/network/client.h>
-#include <deerith/world/entity.h>
+#include <deerith/world/components.h>
 
 namespace deerith
 {

deerith_engine_server/src/world/world_simulation.cpp

@@ -1,13 +1,13 @@
 #include "world/world_internals.h"
 
 #include <deerith/world.h>
-#include <deerith/world/entity.h>
+#include <deerith/world/components.h>
 #include <deerith/network/packets.h>
 #include <deerith/network/router.h>
 
 void deerith::update_players_characters()
 {
-    auto view = get_entity_registry().view<entity_sync_client_position_t, entity_link_to_client_t, entity_sync_coordinates_t>();
+    auto view = get_entity_registry().view<component_player_sync_input_t, component_client_link_t, component_sync_coordinates_t>();
 
     for (auto [entity, position_input, client, sync_coords] : view.each())
     {
@@ -25,9 +25,9 @@ void deerith::update_players_characters()
 
 void deerith::send_entity_data()
 {
-    sync_entities_coordinates_packet_t sync_entities_coordinates;
+    packet_update_entities_coordinates_t sync_entities_coordinates;
 
-    auto coordinates_view = get_entity_registry().view<entity_network_id_t, entity_sync_coordinates_t>();
+    auto coordinates_view = get_entity_registry().view<component_network_id_t, component_sync_coordinates_t>();
     for (auto [entity, network_id, sync_coords] : coordinates_view.each())
     {
         sync_entities_coordinates.entities_ids.push_back(network_id.network_id);
@@ -36,7 +36,7 @@ void deerith::send_entity_data()
         position_trasport.load(sync_coords.position);
     }
 
-    auto clients_view = get_entity_registry().view<entity_link_to_client_t>();
+    auto clients_view = get_entity_registry().view<component_client_link_t>();
     for (auto [entity, client] : clients_view.each())
     {
         router_send_packet(sync_entities_coordinates, client.client);