src/standalone/standalone.cpp

   1 #include "DirectCLIFeedback.hpp"
   2 #include "MasterState.hpp"
   3 #include "PreloadState.hpp"
   4 #include "UnloadState.hpp"
   5
   6 #include "../app/Config.hpp"
   7 #include "../app/Environment.hpp"
   8 #include "../app/init.hpp"
   9 #include "../geometry/distance.hpp"
  10 #include "../io/WorldSave.hpp"
  11 #include "../world/ChunkLoader.hpp"
  12 #include "../world/ChunkRenderer.hpp"
  13
  14 #include <SDL.h>
  15
  16
  17 namespace blank {
  18 namespace standalone {
  19
  20 DirectCLIFeedback::DirectCLIFeedback(Player &p, HUD &h)
  21 : CLIContext(p)
  22 , hud(h) {
  23
  24 }
  25
  26 void DirectCLIFeedback::Error(const std::string &msg) {
  27         hud.PostMessage(msg);
  28 }
  29
  30 void DirectCLIFeedback::Message(const std::string &msg) {
  31         hud.PostMessage(msg);
  32 }
  33
  34 void DirectCLIFeedback::Broadcast(const std::string &msg) {
  35         hud.PostMessage(msg);
  36 }
  37
  38
  39 MasterState::MasterState(
  40         Environment &env,
  41         Config &config,
  42         const Generator::Config &gc,
  43         const World::Config &wc,
  44         const WorldSave &save
  45 )
  46 : config(config)
  47 , env(env)
  48 , res()
  49 , sounds()
  50 , save(save)
  51 , world(res.block_types, wc)
  52 , spawn_index(world.Chunks().MakeIndex(wc.spawn, 3))
  53 , player(*world.AddPlayer(config.player.name))
  54 , spawn_player(false)
  55 , hud(env, config, player)
  56 , manip(env.audio, sounds, player.GetEntity())
  57 , input(world, player, manip)
  58 , interface(config, env.keymap, input, *this)
  59 , generator(gc)
  60 , chunk_loader(world.Chunks(), generator, save)
  61 , chunk_renderer(player.GetChunks())
  62 , spawner(world, res.models)
  63 , sky(env.loader.LoadCubeMap("skybox"))
  64 , cli(world)
  65 , cli_ctx(player, hud)
  66 , preload(env, chunk_loader, chunk_renderer)
  67 , unload(env, world.Chunks(), save)
  68 , chat(env, *this, *this) {
  69         res.Load(env.loader, "default");
  70         if (res.models.size() < 2) {
  71                 throw std::runtime_error("need at least two models to run");
  72         }
  73         res.models[0].Instantiate(player.GetEntity().GetModel());
  74         sounds.Load(env.loader, res.snd_index);
  75         spawner.LimitModels(1, res.models.size());
  76         interface.SetInventorySlots(res.block_types.size() - 1);
  77         generator.LoadTypes(res.block_types);
  78         chunk_renderer.LoadTextures(env.loader, res.tex_index);
  79         chunk_renderer.FogDensity(wc.fog_density);
  80         if (save.Exists(player)) {
  81                 save.Read(player);
  82         } else {
  83                 spawn_player = true;
  84         }
  85 }
  86
  87 MasterState::~MasterState() {
  88         world.Chunks().UnregisterIndex(spawn_index);
  89 }
  90
  91
  92 void MasterState::OnResume() {
  93         if (spawn_index.MissingChunks() > 0) {
  94                 env.state.Push(&preload);
  95                 return;
  96         }
  97         if (spawn_player) {
  98                 // TODO: spawn
  99                 spawn_player = false;
 100         }
 101         hud.KeepMessages(false);
 102         OnFocus();
 103 }
 104
 105 void MasterState::OnPause() {
 106         OnBlur();
 107 }
 108
 109 void MasterState::OnFocus() {
 110         if (config.input.mouse) {
 111                 env.window.GrabMouse();
 112         }
 113         interface.Unlock();
 114 }
 115
 116 void MasterState::OnBlur() {
 117         env.window.ReleaseMouse();
 118         interface.Lock();
 119 }
 120
 121
 122 void MasterState::Handle(const SDL_Event &event) {
 123         switch (event.type) {
 124                 case SDL_KEYDOWN:
 125                         // TODO: move to interface
 126                         if (event.key.keysym.sym == SDLK_RETURN) {
 127                                 chat.Clear();
 128                                 env.state.Push(&chat);
 129                                 hud.KeepMessages(true);
 130                         } else if (event.key.keysym.sym == SDLK_SLASH) {
 131                                 chat.Preset("/");
 132                                 env.state.Push(&chat);
 133                                 hud.KeepMessages(true);
 134                         } else {
 135                                 interface.HandlePress(event.key);
 136                         }
 137                         break;
 138                 case SDL_KEYUP:
 139                         interface.HandleRelease(event.key);
 140                         break;
 141                 case SDL_MOUSEBUTTONDOWN:
 142                         interface.HandlePress(event.button);
 143                         break;
 144                 case SDL_MOUSEBUTTONUP:
 145                         interface.HandleRelease(event.button);
 146                         break;
 147                 case SDL_MOUSEMOTION:
 148                         interface.Handle(event.motion);
 149                         break;
 150                 case SDL_MOUSEWHEEL:
 151                         interface.Handle(event.wheel);
 152                         break;
 153                 case SDL_QUIT:
 154                         Exit();
 155                         break;
 156                 default:
 157                         break;
 158         }
 159 }
 160
 161 void MasterState::Update(int dt) {
 162         spawner.Update(dt);
 163         world.Update(dt);
 164         if (input.BlockFocus()) {
 165                 hud.FocusBlock(input.BlockFocus().GetChunk(), input.BlockFocus().block);
 166         } else if (input.EntityFocus()) {
 167                 hud.FocusEntity(input.EntityFocus().GetEntity());
 168         } else {
 169                 hud.FocusNone();
 170         }
 171         hud.Display(res.block_types[player.GetInventorySlot() + 1]);
 172         hud.Update(dt);
 173         chunk_loader.Update(dt);
 174         chunk_renderer.Update(dt);
 175
 176         glm::mat4 trans = player.GetEntity().Transform(player.GetEntity().ChunkCoords());
 177         glm::vec3 dir(trans * glm::vec4(0.0f, 0.0f, -1.0f, 0.0f));
 178         glm::vec3 up(trans * glm::vec4(0.0f, 1.0f, 0.0f, 0.0f));
 179         env.audio.Position(player.GetEntity().Position());
 180         env.audio.Velocity(player.GetEntity().Velocity());
 181         env.audio.Orientation(dir, up);
 182 }
 183
 184 void MasterState::Render(Viewport &viewport) {
 185         viewport.WorldPosition(player.GetEntity().ViewTransform(player.GetEntity().ChunkCoords()));
 186         if (config.video.world) {
 187                 chunk_renderer.Render(viewport);
 188                 world.Render(viewport);
 189                 if (config.video.debug) {
 190                         world.RenderDebug(viewport);
 191                 }
 192                 sky.Render(viewport);
 193         }
 194         hud.Render(viewport);
 195 }
 196
 197
 198 void MasterState::SetAudio(bool b) {
 199         config.audio.enabled = b;
 200         if (b) {
 201                 hud.PostMessage("Audio enabled");
 202         } else {
 203                 hud.PostMessage("Audio disabled");
 204         }
 205 }
 206
 207 void MasterState::SetVideo(bool b) {
 208         config.video.world = b;
 209         if (b) {
 210                 hud.PostMessage("World rendering enabled");
 211         } else {
 212                 hud.PostMessage("World rendering disabled");
 213         }
 214 }
 215
 216 void MasterState::SetHUD(bool b) {
 217         config.video.hud = b;
 218         if (b) {
 219                 hud.PostMessage("HUD rendering enabled");
 220         } else {
 221                 hud.PostMessage("HUD rendering disabled");
 222         }
 223 }
 224
 225 void MasterState::SetDebug(bool b) {
 226         config.video.debug = b;
 227         if (b) {
 228                 hud.PostMessage("Debug rendering enabled");
 229         } else {
 230                 hud.PostMessage("Debug rendering disabled");
 231         }
 232 }
 233
 234 void MasterState::NextCamera() {
 235         if (iszero(env.viewport.CameraOffset())) {
 236                 env.viewport.OffsetCamera(glm::vec3(0.0f, 0.0f, -5.0f));
 237         } else {
 238                 env.viewport.OffsetCamera(glm::vec3(0.0f, 0.0f, 0.0f));
 239         }
 240 }
 241
 242 void MasterState::Exit() {
 243         save.Write(player);
 244         env.state.Switch(&unload);
 245 }
 246
 247 void MasterState::OnLineSubmit(const std::string &line) {
 248         if (line.empty()) {
 249                 return;
 250         }
 251         if (line[0] == '/' && line.size() > 1 && line[1] != '/') {
 252                 cli.Execute(cli_ctx, line.substr(1));
 253         } else {
 254                 hud.PostMessage(line);
 255         }
 256 }
 257
 258
 259 PreloadState::PreloadState(Environment &env, ChunkLoader &loader, ChunkRenderer &render)
 260 : ProgressState(env, "Preloading chunks: %d/%d (%d%%)")
 261 , env(env)
 262 , loader(loader)
 263 , render(render)
 264 , total(loader.ToLoad())
 265 , per_update(64) {
 266
 267 }
 268
 269 void PreloadState::Update(int) {
 270         loader.LoadN(per_update);
 271         if (loader.ToLoad() <= 0) {
 272                 env.state.Pop();
 273                 render.Update(render.MissingChunks());
 274         } else {
 275                 SetProgress(total - loader.ToLoad(), total);
 276         }
 277 }
 278
 279
 280 UnloadState::UnloadState(
 281         Environment &env,
 282         ChunkStore &chunks,
 283         const WorldSave &save)
 284 : ProgressState(env, "Unloading chunks: %d/%d (%d%%)")
 285 , env(env)
 286 , chunks(chunks)
 287 , save(save)
 288 , cur(chunks.begin())
 289 , end(chunks.end())
 290 , done(0)
 291 , total(chunks.NumLoaded())
 292 , per_update(64) {
 293
 294 }
 295
 296
 297 void UnloadState::OnResume() {
 298         cur = chunks.begin();
 299         end = chunks.end();
 300         done = 0;
 301         total = chunks.NumLoaded();
 302 }
 303
 304
 305 void UnloadState::Handle(const SDL_Event &) {
 306         // ignore everything
 307 }
 308
 309 void UnloadState::Update(int) {
 310         for (std::size_t i = 0; i < per_update && cur != end; ++i, ++cur, ++done) {
 311                 if (cur->ShouldUpdateSave()) {
 312                         save.Write(*cur);
 313                 }
 314         }
 315         if (cur == end) {
 316                 env.state.Pop();
 317         } else {
 318                 SetProgress(done, total);
 319         }
 320 }
 321
 322 }
 323 }