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Implement Mesh partitioning

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This commit is contained in:
Cristian Gora
2026-09-27 17:48:22 +02:00
parent 11426fe8fb
commit 850a6f601b
21 changed files with 1146638 additions and 181 deletions
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17
src/mesh.hpp
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@@ -5,6 +5,7 @@
#include <glad/gl.h>
#include "vertex.hpp"
#include "material.hpp"
#include "utils.hpp"
namespace Fan
@@ -13,14 +14,24 @@ namespace Fan
class Mesh
{
public:
struct SubMesh
{
GLuint index_offset{};
GLuint index_count{};
Rc<Material> material{};
};
static Rc<Mesh> create(const std::vector<Vertex>& vertices,
const std::vector<GLuint>& indices = {});
const std::vector<GLuint>& indices = {},
const std::vector<SubMesh>& submeshes = {});
Mesh(const std::vector<Vertex>& vertices,
const std::vector<GLuint>& indices,
const std::vector<SubMesh>& submeshes,
bool has_indices,
GLuint VBO, GLuint VAO, GLuint EBO)
: m_vertices(vertices)
, m_indices(indices)
, m_submeshes(submeshes)
, m_has_indices(has_indices)
, m_VBO(VBO)
, m_VAO(VAO)
@@ -32,11 +43,15 @@ public:
Mesh(Mesh&& other) noexcept;
Mesh& operator=(Mesh&& other) noexcept;
const std::vector<SubMesh>& get_submeshes() const;
void draw() const;
void draw_submesh(GLuint index_offset, GLuint index_count) const;
private:
std::vector<Vertex> m_vertices{};
std::vector<GLuint> m_indices{};
std::vector<SubMesh> m_submeshes{};
bool m_has_indices{};
GLuint m_VBO{};