src/interface.cpp

   1 #include "interface.hpp"
   2
   3 #include "geometry.hpp"
   4 #include "world.hpp"
   5
   6 #include <iostream>
   7 #include <glm/glm.hpp>
   8 #include <glm/gtc/matrix_transform.hpp>
   9 #include <glm/gtx/io.hpp>
  10
  11
  12 namespace blank {
  13
  14 Interface::Interface(const Config &config, World &world)
  15 : world(world)
  16 , ctrl(world.Player())
  17 , hud(world.BlockTypes())
  18 , aim_chunk(nullptr)
  19 , aim_block(0)
  20 , aim_normal()
  21 , outline()
  22 , outline_transform(1.0f)
  23 , config(config)
  24 , remove(0)
  25 , selection(1)
  26 , front(false)
  27 , back(false)
  28 , left(false)
  29 , right(false)
  30 , up(false)
  31 , down(false) {
  32         hud.Viewport(960, 600);
  33         hud.Display(selection);
  34 }
  35
  36
  37 void Interface::Handle(const SDL_KeyboardEvent &event) {
  38         if (config.keyboard_disabled) return;
  39
  40         switch (event.keysym.sym) {
  41                 case SDLK_w:
  42                         front = event.state == SDL_PRESSED;
  43                         break;
  44                 case SDLK_s:
  45                         back = event.state == SDL_PRESSED;
  46                         break;
  47                 case SDLK_a:
  48                         left = event.state == SDL_PRESSED;
  49                         break;
  50                 case SDLK_d:
  51                         right = event.state == SDL_PRESSED;
  52                         break;
  53                 case SDLK_SPACE:
  54                         up = event.state == SDL_PRESSED;
  55                         break;
  56                 case SDLK_LSHIFT:
  57                         down = event.state == SDL_PRESSED;
  58                         break;
  59
  60                 case SDLK_q:
  61                         if (event.state == SDL_PRESSED) {
  62                                 FaceBlock();
  63                         }
  64                         break;
  65                 case SDLK_e:
  66                         if (event.state == SDL_PRESSED) {
  67                                 TurnBlock();
  68                         }
  69                         break;
  70
  71                 case SDLK_b:
  72                         if (event.state == SDL_PRESSED) {
  73                                 PrintBlockInfo();
  74                         }
  75                         break;
  76                 case SDLK_c:
  77                         if (event.state == SDL_PRESSED) {
  78                                 PrintChunkInfo();
  79                         }
  80                         break;
  81                 case SDLK_l:
  82                         if (event.state == SDL_PRESSED) {
  83                                 PrintLightInfo();
  84                         }
  85                         break;
  86                 case SDLK_p:
  87                         if (event.state == SDL_PRESSED) {
  88                                 PrintSelectionInfo();
  89                         }
  90                         break;
  91         }
  92 }
  93
  94 void Interface::FaceBlock() {
  95         selection.SetFace(Block::Face((selection.GetFace() + 1) % Block::FACE_COUNT));
  96         hud.Display(selection);
  97 }
  98
  99 void Interface::TurnBlock() {
 100         selection.SetTurn(Block::Turn((selection.GetTurn() + 1) % Block::TURN_COUNT));
 101         hud.Display(selection);
 102 }
 103
 104 void Interface::PrintBlockInfo() {
 105         std::cout << std::endl;
 106         if (!aim_chunk) {
 107                 std::cout << "not looking at any block" << std::endl;
 108                 return;
 109         }
 110         std::cout << "looking at block " << aim_block
 111                 << " " << Chunk::ToCoords(aim_block)
 112                 << " of chunk " << aim_chunk->Position()
 113                 << std::endl;
 114         Print(aim_chunk->BlockAt(aim_block));
 115 }
 116
 117 void Interface::PrintChunkInfo() {
 118         std::cout << std::endl;
 119         if (!aim_chunk) {
 120                 std::cout << "not looking at any block" << std::endl;
 121                 return;
 122         }
 123         std::cout << "looking at chunk "
 124                 << aim_chunk->Position()
 125                 << std::endl;
 126
 127         std::cout << "  neighbors:" << std::endl;
 128         if (aim_chunk->HasNeighbor(Block::FACE_LEFT)) {
 129                 std::cout << " left  " << aim_chunk->GetNeighbor(Block::FACE_LEFT).Position() << std::endl;
 130         }
 131         if (aim_chunk->HasNeighbor(Block::FACE_RIGHT)) {
 132                 std::cout << " right " << aim_chunk->GetNeighbor(Block::FACE_RIGHT).Position() << std::endl;
 133         }
 134         if (aim_chunk->HasNeighbor(Block::FACE_UP)) {
 135                 std::cout << " up    " << aim_chunk->GetNeighbor(Block::FACE_UP).Position() << std::endl;
 136         }
 137         if (aim_chunk->HasNeighbor(Block::FACE_DOWN)) {
 138                 std::cout << " down  " << aim_chunk->GetNeighbor(Block::FACE_DOWN).Position() << std::endl;
 139         }
 140         if (aim_chunk->HasNeighbor(Block::FACE_FRONT)) {
 141                 std::cout << " front " << aim_chunk->GetNeighbor(Block::FACE_FRONT).Position() << std::endl;
 142         }
 143         if (aim_chunk->HasNeighbor(Block::FACE_BACK)) {
 144                 std::cout << " back  " << aim_chunk->GetNeighbor(Block::FACE_BACK).Position() << std::endl;
 145         }
 146         std::cout << std::endl;
 147 }
 148
 149 void Interface::PrintLightInfo() {
 150         std::cout
 151                 << "light level " << world.PlayerChunk().GetLight(world.Player().Position())
 152                 << " at position " << world.Player().Position()
 153                 << std::endl;
 154 }
 155
 156 void Interface::PrintSelectionInfo() {
 157         std::cout << std::endl;
 158         Print(selection);
 159 }
 160
 161 void Interface::Print(const Block &block) {
 162         std::cout << "type: " << block.type
 163                 << ", face: " << block.GetFace()
 164                 << ", turn: " << block.GetTurn()
 165                 << std::endl;
 166 }
 167
 168
 169 void Interface::Handle(const SDL_MouseMotionEvent &event) {
 170         if (config.mouse_disabled) return;
 171         ctrl.RotateYaw(event.xrel * config.yaw_sensitivity);
 172         ctrl.RotatePitch(event.yrel * config.pitch_sensitivity);
 173 }
 174
 175 void Interface::Handle(const SDL_MouseButtonEvent &event) {
 176         if (config.mouse_disabled) return;
 177
 178         if (event.state != SDL_PRESSED) return;
 179
 180         if (event.button == 1) {
 181                 RemoveBlock();
 182         } else if (event.button == 2) {
 183                 PickBlock();
 184         } else if (event.button == 3) {
 185                 PlaceBlock();
 186         }
 187 }
 188
 189 void Interface::PickBlock() {
 190         if (!aim_chunk) return;
 191         selection = aim_chunk->BlockAt(aim_block);
 192         hud.Display(selection);
 193 }
 194
 195 void Interface::PlaceBlock() {
 196         if (!aim_chunk) return;
 197         Chunk *mod_chunk = aim_chunk;
 198         glm::vec3 next_pos = Chunk::ToCoords(aim_block) + aim_normal;
 199         if (!Chunk::InBounds(next_pos)) {
 200                 mod_chunk = &world.Next(*aim_chunk, aim_normal);
 201                 next_pos -= aim_normal * glm::vec3(Chunk::Extent());
 202         }
 203         mod_chunk->SetBlock(next_pos, selection);
 204         mod_chunk->Invalidate();
 205 }
 206
 207 void Interface::RemoveBlock() {
 208         if (!aim_chunk) return;
 209         aim_chunk->SetBlock(aim_block, remove);
 210         aim_chunk->Invalidate();
 211 }
 212
 213
 214 void Interface::Handle(const SDL_MouseWheelEvent &event) {
 215         if (config.mouse_disabled) return;
 216
 217         if (event.y < 0) {
 218                 SelectNext();
 219         } else if (event.y > 0) {
 220                 SelectPrevious();
 221         }
 222 }
 223
 224 void Interface::SelectNext() {
 225         ++selection.type;
 226         if (size_t(selection.type) >= world.BlockTypes().Size()) {
 227                 selection.type = 1;
 228         }
 229         hud.Display(selection);
 230 }
 231
 232 void Interface::SelectPrevious() {
 233         --selection.type;
 234         if (selection.type <= 0) {
 235                 selection.type = world.BlockTypes().Size() - 1;
 236         }
 237         hud.Display(selection);
 238 }
 239
 240 void Interface::Handle(const SDL_WindowEvent &event) {
 241         if (event.event == SDL_WINDOWEVENT_RESIZED) {
 242                 hud.Viewport(event.data1, event.data2);
 243         }
 244 }
 245
 246
 247 void Interface::Update(int dt) {
 248         glm::vec3 vel;
 249         if (right && !left) {
 250                 vel.x = config.move_velocity;
 251         } else if (left && !right) {
 252                 vel.x = -config.move_velocity;
 253         }
 254         if (up && !down) {
 255                 vel.y = config.move_velocity;
 256         } else if (down && !up) {
 257                 vel.y = -config.move_velocity;
 258         }
 259         if (back && !front) {
 260                 vel.z = config.move_velocity;
 261         } else if (front && !back) {
 262                 vel.z = -config.move_velocity;
 263         }
 264         ctrl.Velocity(vel);
 265         ctrl.Update(dt);
 266
 267         Ray aim = ctrl.Aim();
 268         float dist;
 269         if (world.Intersection(aim, glm::mat4(1.0f), &aim_chunk, &aim_block, &dist, &aim_normal)) {
 270                 outline.Clear();
 271                 aim_chunk->Type(aim_chunk->BlockAt(aim_block)).FillOutlineModel(outline);
 272                 outline_transform = glm::scale(glm::mat4(1.0f), glm::vec3(1.0002f));
 273                 outline_transform = aim_chunk->Transform(world.Player().ChunkCoords());
 274                 outline_transform *= aim_chunk->ToTransform(aim_block);
 275         } else {
 276                 aim_chunk = nullptr;
 277         }
 278
 279 }
 280
 281
 282 void Interface::Render(DirectionalLighting &program) {
 283         if (config.visual_disabled) return;
 284
 285         if (aim_chunk) {
 286                 program.SetM(outline_transform);
 287                 outline.Draw();
 288         }
 289
 290         hud.Render(program);
 291 }
 292
 293 }