src/model/EntityModel.hpp

   1 #ifndef BLANK_MODEL_ENTITYMODEL_HPP_
   2 #define BLANK_MODEL_ENTITYMODEL_HPP_
   3
   4 #include "../graphics/VertexArray.hpp"
   5
   6 #include <vector>
   7 #include <GL/glew.h>
   8 #include <glm/glm.hpp>
   9
  10
  11 namespace blank {
  12
  13 class EntityModel {
  14
  15 public:
  16         using Position = glm::vec3;
  17         using TexCoord = glm::vec3;
  18         using Color = glm::vec3;
  19         using Normal = glm::vec3;
  20         using Index = unsigned int;
  21
  22         using Positions = std::vector<Position>;
  23         using TexCoords = std::vector<TexCoord>;
  24         using Colors = std::vector<Color>;
  25         using Normals = std::vector<Normal>;
  26         using Indices = std::vector<Index>;
  27
  28         enum Attribute {
  29                 ATTRIB_VERTEX,
  30                 ATTRIB_TEXCOORD,
  31                 ATTRIB_COLOR,
  32                 ATTRIB_NORMAL,
  33                 ATTRIB_INDEX,
  34                 ATTRIB_COUNT,
  35         };
  36
  37         struct Buffer {
  38
  39                 Positions vertices;
  40                 TexCoords tex_coords;
  41                 Colors colors;
  42                 Normals normals;
  43                 Indices indices;
  44
  45                 void Clear() noexcept {
  46                         vertices.clear();
  47                         tex_coords.clear();
  48                         colors.clear();
  49                         normals.clear();
  50                         indices.clear();
  51                 }
  52
  53                 void Reserve(size_t p, size_t i) {
  54                         vertices.reserve(p);
  55                         tex_coords.reserve(p);
  56                         colors.reserve(p);
  57                         normals.reserve(p);
  58                         indices.reserve(i);
  59                 }
  60
  61         };
  62
  63         using VAO = VertexArray<ATTRIB_COUNT>;
  64
  65 public:
  66         void Update(const Buffer &) noexcept;
  67
  68         void Draw() const noexcept;
  69
  70 private:
  71         VAO vao;
  72
  73 };
  74
  75 }
  76
  77 #endif