package model

import "../helpers"
import "../vertex"
import gl "vendor:OpenGL"

Model :: struct {
    vao:       u32,
    vbo:       u32,
    ibo:       u32,
    materials: map[string]Material,
}

create :: proc(vertices: []vertex.Vertex, indices: []u32, materials: map[string]Material) -> Model {
    model: Model
    gl.CreateVertexArrays(1, &model.vao)
    gl.CreateBuffers(1, &model.vbo)
    gl.CreateBuffers(1, &model.ibo)

    gl.VertexArrayVertexBuffer(model.vao, 0, model.vbo, 0, size_of(vertex.Vertex))
    gl.VertexArrayElementBuffer(model.vao, model.ibo)

    helpers.setup_vertex_attributes(model.vao, vertex.Vertex)

    gl.NamedBufferData(model.vbo, len(vertices) * size_of(vertex.Vertex), raw_data(vertices), gl.STATIC_DRAW)
    gl.NamedBufferData(model.ibo, len(indices) * size_of(u32), raw_data(indices), gl.STATIC_DRAW)

    model.materials = materials

    return model
}