src/app/WorldState.cpp

   1 #include "WorldState.hpp"
   2
   3 #include "Environment.hpp"
   4 #include "init.hpp"
   5 #include "TextureIndex.hpp"
   6
   7 #include <SDL.h>
   8
   9
  10 namespace blank {
  11
  12 WorldState::WorldState(
  13         Environment &env,
  14         const Interface::Config &ic,
  15         const World::Config &wc,
  16         const WorldSave &save
  17 )
  18 : env(env)
  19 , block_types()
  20 , world(block_types, wc, save)
  21 , chunk_renderer(world, wc.load.load_dist)
  22 , spawner(world, wc.gen.seed)
  23 , interface(ic, env, world, *world.AddPlayer(ic.player_name))
  24 , preload(env, world.Loader(), chunk_renderer)
  25 , unload(env, world.Loader()) {
  26         TextureIndex tex_index;
  27         env.loader.LoadBlockTypes("default", block_types, tex_index);
  28         chunk_renderer.LoadTextures(env.loader, tex_index);
  29         chunk_renderer.FogDensity(wc.fog_density);
  30         // TODO: better solution for initializing HUD
  31         interface.SelectNext();
  32 }
  33
  34
  35 void WorldState::OnEnter() {
  36         env.state.Push(&preload);
  37         env.window.GrabMouse();
  38 }
  39
  40
  41 void WorldState::Handle(const SDL_Event &event) {
  42         switch (event.type) {
  43                 case SDL_KEYDOWN:
  44                         interface.HandlePress(event.key);
  45                         break;
  46                 case SDL_KEYUP:
  47                         interface.HandleRelease(event.key);
  48                         break;
  49                 case SDL_MOUSEBUTTONDOWN:
  50                         interface.HandlePress(event.button);
  51                         break;
  52                 case SDL_MOUSEBUTTONUP:
  53                         interface.HandleRelease(event.button);
  54                         break;
  55                 case SDL_MOUSEMOTION:
  56                         interface.Handle(event.motion);
  57                         break;
  58                 case SDL_MOUSEWHEEL:
  59                         interface.Handle(event.wheel);
  60                         break;
  61                 case SDL_QUIT:
  62                         env.state.Switch(&unload);
  63                         break;
  64                 default:
  65                         break;
  66         }
  67 }
  68
  69 void WorldState::Update(int dt) {
  70         interface.Update(dt);
  71         spawner.Update(dt);
  72         world.Update(dt);
  73         chunk_renderer.Rebase(interface.Player().ChunkCoords());
  74         chunk_renderer.Update(dt);
  75
  76         glm::mat4 trans = interface.Player().Transform(interface.Player().ChunkCoords());
  77         glm::vec3 dir(trans * glm::vec4(0.0f, 0.0f, -1.0f, 0.0f));
  78         glm::vec3 up(trans * glm::vec4(0.0f, 1.0f, 0.0f, 0.0f));
  79         env.audio.Position(interface.Player().Position());
  80         env.audio.Velocity(interface.Player().Velocity());
  81         env.audio.Orientation(dir, up);
  82 }
  83
  84 void WorldState::Render(Viewport &viewport) {
  85         viewport.WorldPosition(interface.Player().Transform(interface.Player().ChunkCoords()));
  86         chunk_renderer.Render(viewport);
  87         world.Render(viewport);
  88         interface.Render(viewport);
  89 }
  90
  91 }