zglvox_new.d

   1 module zglvox_new is aliced;
   2
   3 import arsd.simpledisplay;
   4 //import arsd.color;
   5 //import arsd.image;
   6
   7 import iv.bclamp;
   8 import iv.glbinds.utils;
   9 import iv.cmdcongl;
  10 import iv.strex;
  11 import iv.vfs;
  12 import iv.vfs.io;
  13 import iv.vmath;
  14
  15 static import iv.timer;
  16
  17 import vox_texatlas;
  18 import vox_2dbmp;
  19 import vox_3dbmp;
  20 import vox_data;
  21 import vox_load;
  22 import vox_mesh;
  23 import vox_meshgl;
  24
  25 //version = kvx_dump;
  26 //version = vox_check_invariants;
  27 version = voxdata_debug;
  28
  29
  30 // ////////////////////////////////////////////////////////////////////////// //
  31 __gshared int scrWidth = 800, scrHeight = 800;
  32 __gshared bool paused = false;
  33
  34
  35 // ////////////////////////////////////////////////////////////////////////// //
  36 shared static this () {
  37   conRegVar!scrWidth(64, 4096, "v_width", "screen width");
  38   conRegVar!scrHeight(64, 4096, "v_height", "screen height");
  39 }
  40
  41
  42 public void renderSealVars () {
  43   conSealVar("v_width");
  44   conSealVar("v_height");
  45 }
  46
  47
  48 // ////////////////////////////////////////////////////////////////////////// //
  49 __gshared VoxelData voxdata;
  50 __gshared VoxelMesh vox;
  51 __gshared GLVoxelMesh glvox;
  52 __gshared bool glcreated = false;
  53 __gshared int angle = 360/2;
  54 __gshared bool vertical = false;
  55 __gshared vec3 eye = vec3(0.0f, 14.0f, 64.0f);
  56
  57
  58 void drawScene () {
  59   import iv.glbinds;
  60
  61   if (vox is null) return; // just in case
  62
  63   if (!glcreated) {
  64     glvox.create(vox);
  65     glcreated = true;
  66   }
  67
  68   glDisable(GL_TEXTURE_2D);
  69   glEnable(GL_DEPTH_TEST);
  70   glDisable(GL_LIGHTING);
  71   glDisable(GL_DITHER);
  72   glEnable(GL_COLOR_MATERIAL);
  73
  74   glEnable(GL_BLEND);
  75   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
  76
  77   glDepthFunc(GL_LEQUAL);
  78   glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
  79
  80   glEnable(GL_CULL_FACE);
  81   //glCullFace(GL_FRONT);
  82   glCullFace(GL_BACK);
  83   //glFrontFace(GL_CCW);
  84   glFrontFace(GL_CW);
  85
  86   //glDisable(GL_CULL_FACE); // this way we can draw any model
  87   glShadeModel(GL_FLAT);
  88
  89   //glDisable(GL_CULL_FACE); // this way we can draw any model
  90
  91   glDisable(GL_BLEND);
  92
  93   glClearDepth(1.0f);
  94   glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
  95
  96   // setup projection
  97   glMatrixMode(GL_PROJECTION);
  98   glLoadIdentity();
  99   oglPerspective(
 100     90.0, // field of view in degree
 101     1.0, // aspect ratio
 102     1.0, // Z near
 103     10000.0, // Z far
 104   );
 105   version(none) {
 106     oglLookAt(
 107       0.0, -vox.cy-64, 30.0, // eye is at (0,0,5)
 108       0.0, 0.0, 0.0, // center is at (0,0,0)
 109       0.0, 0.0, 1.0, // up is in positive Z direction
 110     );
 111   } else {
 112     oglLookAt(
 113       eye.x, eye.y-vox.cy-64, eye.z, // eye is at (0,0,5)
 114       0.0, 0.0, 0.0, // center is at (0,0,0)
 115       0.0, 0.0, 1.0, // up is in positive Z direction
 116     );
 117   }
 118
 119   // setup model matrix
 120   glMatrixMode(GL_MODELVIEW);
 121   glLoadIdentity();
 122   //glRotatef(1.0f*angle, 0.8f, 0.9f, 0.4f);
 123   //glRotatef(1.0f*angle, 1.0f, 0.0f, 0.0f);
 124   //glRotatef(1.0f*angle, 0.0f, 1.0f, 0.0f);
 125   if (vertical) {
 126     glRotatef(1.0f*angle, 1.0f, 0.0f, 0.0f);
 127   } else {
 128     glRotatef(1.0f*angle, 0.0f, 0.0f, 1.0f);
 129   }
 130
 131   glvox.draw();
 132 }
 133
 134
 135 // ////////////////////////////////////////////////////////////////////////// //
 136 void main (string[] args) {
 137   //setOpenGLContextVersion(3, 2); // up to GLSL 150
 138   //openGLContextCompatible = false;
 139
 140   if (args.length < 1) {
 141     writeln("filename?");
 142     return;
 143   }
 144
 145   version(none) {
 146     loadVoxel(ref voxdata, args[2]);
 147     return;
 148   }
 149
 150   conRegVar!paused("pause", "stop rotating");
 151   conRegVar!angle(0, 359, "angle", "current angle");
 152   conRegVar!vertical("vertical", "rotate vertically");
 153
 154   conProcessArgs(args);
 155   while (conProcessQueue()) {}
 156
 157   renderSealVars();
 158
 159   int argidx = 1;
 160
 161   auto sdwin = new SimpleWindow(conGetVar!int("v_width"), conGetVar!int("v_height"),
 162                                 "KVX Renderer",
 163                                 OpenGlOptions.yes, Resizability.fixedSize);
 164
 165
 166   void loadFrom (string fname) {
 167     delete vox;
 168     writeln("loading: ", fname, (vox_allow_normals ? " (with normals)" : " (no normals)"));
 169     loadVoxel(ref voxdata, fname);
 170     vox = new VoxelMesh(ref voxdata);
 171     voxdata.clear();
 172     glvox.create(vox);
 173     glcreated = true;
 174     import std.string : format;
 175     sdwin.title = "(%s quads, %s verts) -- %s".format(vox.quads.length, glvox.uniqueVerts, fname);
 176     vox.clear();
 177     { import core.memory : GC; GC.collect(); GC.minimize(); }
 178     { import core.memory : GC; GC.collect(); GC.minimize(); }
 179   }
 180
 181
 182   sdwin.redrawOpenGlScene = delegate () {
 183     drawScene();
 184     glconDraw();
 185   };
 186
 187   sdwin.visibleForTheFirstTime = delegate () {
 188     loadFrom(args[argidx]);
 189     //vox = new Voxel(VFile("untitled.vxl"));
 190     sdwin.setAsCurrentOpenGlContext(); // make this window active
 191     glconResize(sdwin.width, sdwin.height);
 192     sdwin.redrawOpenGlScene();
 193     //drawScene();
 194   };
 195
 196   sdwin.eventLoop(1000/35,
 197     delegate () {
 198       if (sdwin.closed) return;
 199       conProcessQueue();
 200       if (isQuitRequested) { sdwin.close(); return; }
 201       if (!paused) angle = (angle+1)%360;
 202       //angle = 50;
 203       //angle = 360/2;
 204       sdwin.redrawOpenGlSceneNow();
 205     },
 206     delegate (KeyEvent event) {
 207       if (sdwin.closed) return;
 208       if (glconKeyEvent(event)) return;
 209       if (!event.pressed) return;
 210       if (event.pressed && event.key == Key.Escape) { concmd("quit"); return; }
 211       /*
 212       switch (event.key) {
 213         case Key.Escape: sdwin.close(); break;
 214         default:
 215       }
 216       */
 217       if (event.pressed) {
 218         float delta = 10.0f;
 219         if (event.modifierState&ModifierState.shift) {
 220           delta = (event.modifierState&ModifierState.ctrl ? 5.0f : 1.0f);
 221         } else if (event.modifierState&ModifierState.ctrl) {
 222           delta = 20.0f;
 223         }
 224         if (event.modifierState&ModifierState.alt) {
 225           if (event.key == Key.Up) eye.y -= delta;
 226           if (event.key == Key.Down) eye.y += delta;
 227         } else {
 228           if (event.key == Key.Left) eye.x -= delta;
 229           if (event.key == Key.Right) eye.x += delta;
 230           if (event.key == Key.Up) eye.z -= delta;
 231           if (event.key == Key.Down) eye.z += delta;
 232         }
 233       }
 234     },
 235     delegate (MouseEvent event) {
 236     },
 237     delegate (dchar ch) {
 238       if (sdwin.closed) return;
 239       if (glconCharEvent(ch)) return;
 240       if (ch == 'q') { concmd("quit"); return; }
 241       if (ch == ' ') { concmd("pause toggle"); return; }
 242       if (ch == 'v') { concmd("vertical toggle"); return; }
 243       if (ch == '0') { eye = vec3(0.0f, 0.0f, 0.0f); return; }
 244       if (ch == 'u') { vox_wireframe = !vox_wireframe; return; }
 245       if (ch == 't') {
 246         vox_fix_tjunctions = !vox_fix_tjunctions;
 247         loadFrom(args[argidx]);
 248         return;
 249       }
 250       if (ch == 'l') {
 251         vox_allow_normals = !vox_allow_normals;
 252         loadFrom(args[argidx]);
 253         return;
 254       }
 255       if (ch == 'h') {
 256         vox_optimize_hollow = !vox_optimize_hollow;
 257         loadFrom(args[argidx]);
 258         return;
 259       }
 260       if (ch == '1' || ch == '2' || ch == '3' || ch == '4' || ch == '5') {
 261         vox_optimisation = (ch-'1');
 262         loadFrom(args[argidx]);
 263         return;
 264       }
 265       if (ch == 'r') {
 266         vox_reuse_colors = !vox_reuse_colors;
 267         loadFrom(args[argidx]);
 268         return;
 269       }
 270       if (ch == 'p' || ch == 'P') {
 271         if (argidx > 1) {
 272           --argidx;
 273           loadFrom(args[argidx]);
 274         }
 275         return;
 276       }
 277       if (ch == 'n' || ch == 'N') {
 278         if (argidx+1 < args.length) {
 279           ++argidx;
 280           loadFrom(args[argidx]);
 281         }
 282         return;
 283       }
 284     },
 285   );
 286   flushGui();
 287 }