compiledmesh.h

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#pragma once
 
#include <memory>
 
#include "eu/core/mesh.h"
#include "eu/render/opengl_labels.h"
 
namespace eu::core
{
struct CompiledGeomVertexAttributes;
struct Mesh;
}
 
namespace eu::render
{
struct Material;
struct World;
struct MeshInstance;
struct CompiledGeom;
 
struct CompiledMeshGeom
{
    std::shared_ptr<CompiledGeom> geom;
    // std::size_t material;
};
 
struct CompiledTransformedMesh
{
    std::string name;
    m4 transform = m4_identity;
    std::vector<CompiledMeshGeom> geoms;
};
 
struct CompiledMesh
{
    // todo(Gustav): change the single list to a hierachy?
    std::vector<CompiledTransformedMesh> meshes;
    // std::vector<Material> materials;
};
 
CompiledMesh compile_mesh(DEBUG_LABEL_ARG_MANY const core::Mesh& mesh, const core::CompiledGeomVertexAttributes& geom_layout);
 
 
// ------------------------------------------------------------------------------------------------
 
 
struct TransformedMeshInWorld
{
    std::vector<std::shared_ptr<MeshInstance>> geoms;
};
 
struct MeshInWorld
{
    CompiledMesh* compiled_mesh = nullptr;
    std::vector<TransformedMeshInWorld> meshes;
    // std::vector<Material> materials;
 
    void add_to_world(CompiledMesh* m, World* world, std::shared_ptr<Material> mat);
    void set_transform(const m4& trans);
};
 
}