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 "../graphics/ArrayTexture.hpp"
   9 #include "../model/shapes.hpp"
  10
  11 #include <list>
  12 #include <vector>
  13 #include <glm/glm.hpp>
  14
  15
  16 namespace blank {
  17
  18 class Assets;
  19 class Viewport;
  20 class WorldCollision;
  21
  22 class World {
  23
  24 public:
  25         struct Config {
  26                 // initial player position
  27                 glm::vec3 spawn = { 0.0f, 0.0f, 0.0f };
  28                 // direction facing towards(!) the light
  29                 glm::vec3 light_direction = { -1.0f, -3.0f, -2.0f };
  30                 // fade out reaches 1/e (0.3679) at 1/fog_density,
  31                 // gets less than 0.01 at e/(2 * fog_density)
  32                 // I chose 0.011 because it yields 91 and 124 for those, so
  33                 // slightly less than 6 and 8 chunks
  34                 float fog_density = 0.011f;
  35
  36                 Generator::Config gen = Generator::Config();
  37                 ChunkLoader::Config load = ChunkLoader::Config();
  38         };
  39
  40         World(const Assets &, const Config &);
  41
  42         bool Intersection(
  43                 const Ray &,
  44                 const glm::mat4 &M,
  45                 Chunk *&chunk,
  46                 int &blkid,
  47                 float &dist,
  48                 glm::vec3 &normal);
  49
  50         bool Intersection(const Entity &e, std::vector<WorldCollision> &);
  51         void Resolve(Entity &e, std::vector<WorldCollision> &);
  52
  53         BlockTypeRegistry &BlockTypes() noexcept { return blockType; }
  54         ChunkLoader &Loader() noexcept { return chunks; }
  55
  56         Entity &Player() { return *player; }
  57         Entity &AddEntity() { entities.emplace_back(); return entities.back(); }
  58
  59         Chunk &PlayerChunk();
  60         Chunk &Next(const Chunk &to, const glm::ivec3 &dir);
  61
  62         void Update(int dt);
  63
  64         void Render(Viewport &);
  65
  66 private:
  67         BlockTypeRegistry blockType;
  68         CuboidShape blockShape;
  69         StairShape stairShape;
  70         CuboidShape slabShape;
  71
  72         ArrayTexture block_tex;
  73
  74         Generator generate;
  75         ChunkLoader chunks;
  76
  77         Entity *player;
  78         std::list<Entity> entities;
  79
  80         glm::vec3 light_direction;
  81         float fog_density;
  82
  83 };
  84
  85 }
  86
  87 #endif