From b8a0cdfa3ee6bb8ea601b9aacab3080f539e4402 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20GUEZO?= <loicguezo@gmail.com>
Date: Mon, 8 Dec 2025 15:53:48 +0100
Subject: [PATCH] feat: rework ebo, vao and vbo

---
 inc/ebo.hpp |  5 +++--
 inc/vbo.hpp |  4 +++-
 src/ebo.cpp | 12 +++++++-----
 src/vao.cpp |  3 ---
 src/vbo.cpp | 12 +++++++-----
 5 files changed, 20 insertions(+), 16 deletions(-)

diff --git a/inc/ebo.hpp b/inc/ebo.hpp
index 43aa831..26b30c7 100755
--- a/inc/ebo.hpp
+++ b/inc/ebo.hpp
@@ -5,16 +5,17 @@
 
 #include "glad/glad.h"
 
-
 class EBO
 {
  private:
   GLuint id;
 
  public:
-  EBO(unsigned int* indices, size_t size);
+  EBO();
   ~EBO();
 
+  void setData(unsigned int* indices, size_t size);
+
   void bind();
   void unbind();
 };
diff --git a/inc/vbo.hpp b/inc/vbo.hpp
index 3d4a856..a28d6fe 100755
--- a/inc/vbo.hpp
+++ b/inc/vbo.hpp
@@ -11,9 +11,11 @@ class VBO
   unsigned int id;
 
  public:
-  VBO(GLfloat* vertices, size_t size);
+  VBO();
   ~VBO();
 
+  void setData(GLfloat* vertices, size_t size);
+
   void bind();
   void unbind();
 };
diff --git a/src/ebo.cpp b/src/ebo.cpp
index a325529..bfc917c 100755
--- a/src/ebo.cpp
+++ b/src/ebo.cpp
@@ -1,14 +1,16 @@
 #include "ebo.hpp"
 
-EBO::EBO(unsigned int* indices, size_t size)
+EBO::EBO() : id(0) {}
+
+void EBO::setData(unsigned int* indices, size_t size)
 {
-  glGenBuffers(1, &id);
-  glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
+  if (this->id == 0) glGenBuffers(1, &this->id);
+  glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->id);
   glBufferData(GL_ELEMENT_ARRAY_BUFFER, size, indices, GL_STATIC_DRAW);
 }
 
-EBO::~EBO() { glDeleteBuffers(1, &id); }
+EBO::~EBO() { glDeleteBuffers(1, &this->id); }
 
-void EBO::bind() { glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id); }
+void EBO::bind() { glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->id); }
 
 void EBO::unbind() { glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); }
\ No newline at end of file
diff --git a/src/vao.cpp b/src/vao.cpp
index b666f3d..9944d21 100755
--- a/src/vao.cpp
+++ b/src/vao.cpp
@@ -11,7 +11,6 @@ void VAO::unbind() { glBindVertexArray(0); }
 void VAO::setAttributePointer(GLuint index, GLuint size, GLenum type,
                               GLsizei stride, const void* offset)
 {
-  bind();
   glEnableVertexAttribArray(index);
   glVertexAttribPointer(index, size, type, GL_FALSE, stride, offset);
 }
@@ -19,12 +18,10 @@ void VAO::setAttributePointer(GLuint index, GLuint size, GLenum type,
 void VAO::drawElement(GLenum mode, GLsizei count, GLenum type,
                       const void* indices)
 {
-  bind();
   glDrawElements(mode, count, type, indices);
 }
 
 void VAO::drawArray(GLenum mode, GLint first, GLsizei count)
 {
-  bind();
   glDrawArrays(mode, first, count);
 }
\ No newline at end of file
diff --git a/src/vbo.cpp b/src/vbo.cpp
index cec3b3a..e056745 100755
--- a/src/vbo.cpp
+++ b/src/vbo.cpp
@@ -1,14 +1,16 @@
 #include "vbo.hpp"
 
-VBO::VBO(GLfloat* vertices, size_t size)
+VBO::VBO() : id(0) {}
+
+void VBO::setData(GLfloat* vertices, size_t size)
 {
-  glGenBuffers(1, &id);
-  glBindBuffer(GL_ARRAY_BUFFER, id);
+  if (this->id == 0) glGenBuffers(1, &this->id);
+  glBindBuffer(GL_ARRAY_BUFFER, this->id);
   glBufferData(GL_ARRAY_BUFFER, size, vertices, GL_STATIC_DRAW);
 }
 
-VBO::~VBO() { glDeleteBuffers(1, &id); }
+VBO::~VBO() { glDeleteBuffers(1, &this->id); }
 
-void VBO::bind() { glBindBuffer(GL_ARRAY_BUFFER, id); }
+void VBO::bind() { glBindBuffer(GL_ARRAY_BUFFER, this->id); }
 
 void VBO::unbind() { glBindBuffer(GL_ARRAY_BUFFER, 0); }
\ No newline at end of file