src/model/BlockModel.hpp

   1 #ifndef BLANK_MODEL_BLOCKMODEL_HPP_
   2 #define BLANK_MODEL_BLOCKMODEL_HPP_
   3
   4 #include <vector>
   5 #include <GL/glew.h>
   6 #include <glm/glm.hpp>
   7
   8
   9 namespace blank {
  10
  11 class BlockModel {
  12
  13 public:
  14         using Position = glm::vec3;
  15         using Color = glm::vec3;
  16         using Light = float;
  17         using Index = unsigned int;
  18
  19         using Positions = std::vector<Position>;
  20         using Colors = std::vector<Color>;
  21         using Lights = std::vector<Light>;
  22         using Indices = std::vector<Index>;
  23
  24 public:
  25         struct Buffer {
  26
  27                 Positions vertices;
  28                 Colors colors;
  29                 Lights lights;
  30                 Indices indices;
  31
  32                 void Clear() noexcept {
  33                         vertices.clear();
  34                         colors.clear();
  35                         lights.clear();
  36                         indices.clear();
  37                 }
  38
  39                 void Reserve(size_t p, size_t i) {
  40                         vertices.reserve(p);
  41                         colors.reserve(p);
  42                         lights.reserve(p);
  43                         indices.reserve(i);
  44                 }
  45
  46         };
  47
  48 public:
  49         BlockModel() noexcept;
  50         ~BlockModel() noexcept;
  51
  52         BlockModel(const BlockModel &) = delete;
  53         BlockModel &operator =(const BlockModel &) = delete;
  54
  55         BlockModel(BlockModel &&) noexcept;
  56         BlockModel &operator =(BlockModel &&) noexcept;
  57
  58         void Update(const Buffer &) noexcept;
  59
  60         void Draw() const noexcept;
  61
  62 private:
  63         enum Attribute {
  64                 ATTRIB_VERTEX,
  65                 ATTRIB_COLOR,
  66                 ATTRIB_LIGHT,
  67                 ATTRIB_INDEX,
  68                 ATTRIB_COUNT,
  69         };
  70
  71         GLuint va;
  72         GLuint handle[ATTRIB_COUNT];
  73         size_t count;
  74
  75 };
  76
  77 }
  78
  79 #endif