src/world/World.hpp

   1 #ifndef BLANK_WORLD_WORLD_HPP_
   2 #define BLANK_WORLD_WORLD_HPP_
   3
   4 #include "BlockTypeRegistry.hpp"
   5 #include "ChunkLoader.hpp"
   6 #include "Entity.hpp"
   7 #include "Generator.hpp"
   8 #include "../model/shapes.hpp"
   9
  10 #include <list>
  11 #include <glm/glm.hpp>
  12
  13
  14 namespace blank {
  15
  16 class BlockLighting;
  17 class DirectionalLighting;
  18
  19 class World {
  20
  21 public:
  22         struct Config {
  23                 // initial player position
  24                 glm::vec3 spawn = { 4.0f, 4.0f, 4.0f };
  25                 // direction facing towards(!) the light
  26                 glm::vec3 light_direction = { -1.0f, -3.0f, -2.0f };
  27                 // fade out reaches 1/e (0.3679) at 1/fog_density,
  28                 // gets less than 0.01 at e/(2 * fog_density)
  29                 // I chose 0.011 because it yields 91 and 124 for those, so
  30                 // slightly less than 6 and 8 chunks
  31                 float fog_density = 0.011f;
  32
  33                 Generator::Config gen = Generator::Config();
  34                 ChunkLoader::Config load = ChunkLoader::Config();
  35         };
  36
  37         explicit World(const Config &);
  38
  39         bool Intersection(
  40                 const Ray &,
  41                 const glm::mat4 &M,
  42                 Chunk **chunk = nullptr,
  43                 int *blkid = nullptr,
  44                 float *dist = nullptr,
  45                 glm::vec3 *normal = nullptr);
  46
  47         BlockTypeRegistry &BlockTypes() { return blockType; }
  48
  49         Entity &Player() { return *player; }
  50         Entity &AddEntity() { entities.emplace_back(); return entities.back(); }
  51
  52         Chunk &PlayerChunk();
  53         Chunk &Next(const Chunk &to, const glm::tvec3<int> &dir);
  54
  55         void Update(int dt);
  56
  57         void Render(BlockLighting &, DirectionalLighting &);
  58
  59 private:
  60         BlockTypeRegistry blockType;
  61         CuboidShape blockShape;
  62         StairShape stairShape;
  63         CuboidShape slabShape;
  64
  65         Generator generate;
  66         ChunkLoader chunks;
  67
  68         Entity *player;
  69         std::list<Entity> entities;
  70
  71         glm::vec3 light_direction;
  72         float fog_density;
  73
  74 };
  75
  76 }
  77
  78 #endif