tavli

annotate src/board.cc @ 22:c2a2069a49ec

find changesets by author, revision, files, or words in the commit message
slot highlighting, TODO blur
author John Tsiombikas <nuclear@member.fsf.org>
date Tue, 07 Jul 2015 21:56:37 +0300
parents c3fbf9616dbd
children 3e6430028d54
rev   line source
nuclear@11 1 #include <float.h>
nuclear@0 2 #include "opengl.h"
nuclear@0 3 #include "board.h"
nuclear@14 4 #include "game.h"
nuclear@1 5 #include "meshgen.h"
nuclear@6 6 #include "pnoise.h"
nuclear@14 7 #include "revol.h"
nuclear@17 8 #include "opt.h"
nuclear@17 9
nuclear@17 10
nuclear@17 11 #define HSIZE 1.0
nuclear@17 12 #define VSIZE (2.0 * HSIZE)
nuclear@17 13 #define BOT_THICKNESS (HSIZE * 0.01)
nuclear@17 14 #define WALL_THICKNESS (HSIZE * 0.05)
nuclear@17 15 #define WALL_HEIGHT (HSIZE * 0.1)
nuclear@17 16 #define GAP (HSIZE * 0.025)
nuclear@17 17 #define HINGE_RAD (GAP * 0.5)
nuclear@17 18 #define HINGE_HEIGHT (VSIZE * 0.075)
nuclear@17 19 #define PIECE_RAD (0.45 * HSIZE / 5.0)
nuclear@17 20 #define BOARD_OFFSET (HSIZE / 2.0 + WALL_THICKNESS + HINGE_RAD * 0.25)
nuclear@17 21 #define PIECES_PER_LAYER 5
nuclear@21 22 #define SLOT_WIDTH (HSIZE / 5.0)
nuclear@21 23 #define SLOT_HEIGHT (VSIZE * 0.4)
nuclear@17 24
nuclear@17 25
nuclear@18 26 static const vec2_t piece_cp[] = {
nuclear@18 27 {0, 0.25},
nuclear@18 28 {1, 0.25}, // mid0
nuclear@18 29 {2, 0.5},
nuclear@18 30 {2.5, 0.5}, // mid1
nuclear@18 31 {3, 0.5},
nuclear@18 32 {4, 0.5}, // mid2
nuclear@18 33 {4, 0},
nuclear@18 34 {4, -0.5}, // mid3
nuclear@18 35 {3, -0.5},
nuclear@18 36 {2.5, -0.5}, // mid4
nuclear@18 37 {0, -0.5}
nuclear@18 38 };
nuclear@18 39 static const BezCurve piece_curve = {
nuclear@18 40 sizeof piece_cp / sizeof *piece_cp,
nuclear@18 41 (vec2_t*)piece_cp,
nuclear@18 42 0.25 * PIECE_RAD
nuclear@18 43 };
nuclear@18 44
nuclear@18 45 #define PIECE_HEIGHT (0.25 * PIECE_RAD)
nuclear@18 46
nuclear@18 47
nuclear@17 48 Piece::Piece()
nuclear@17 49 {
nuclear@17 50 owner = 0;
nuclear@17 51 slot = prev_slot = -1;
nuclear@17 52 level = 0;
nuclear@17 53 move_start = 0;
nuclear@17 54 }
nuclear@17 55
nuclear@17 56 void Piece::move_to(int slot, int level, bool anim)
nuclear@17 57 {
nuclear@17 58 int prev_slot = this->slot;
nuclear@17 59 int prev_level = this->level;
nuclear@17 60
nuclear@17 61 this->slot = slot;
nuclear@17 62 this->level = level;
nuclear@17 63
nuclear@17 64 if(anim) {
nuclear@17 65 this->prev_slot = prev_slot;
nuclear@17 66 this->prev_level = prev_level;
nuclear@17 67 move_start = cur_time;
nuclear@17 68 }
nuclear@17 69 }
nuclear@17 70
nuclear@21 71 Quad::Quad()
nuclear@21 72 {
nuclear@21 73 }
nuclear@21 74
nuclear@21 75 Quad::Quad(const Vector3 &v0, const Vector3 &v1, const Vector3 &v2, const Vector3 &v3)
nuclear@21 76 : tri0(v0, v1, v2), tri1(v0, v2, v3)
nuclear@21 77 {
nuclear@21 78 }
nuclear@21 79
nuclear@21 80 bool Quad::intersect(const Ray &ray, HitPoint *hit) const
nuclear@21 81 {
nuclear@21 82 return tri0.intersect(ray, hit) || tri1.intersect(ray, hit);
nuclear@21 83 }
nuclear@0 84
nuclear@0 85 Board::Board()
nuclear@0 86 {
nuclear@17 87 piece_obj = 0;
nuclear@22 88 slot_sel = -1;
nuclear@0 89 clear();
nuclear@21 90
nuclear@21 91 for(int i=0; i<NUM_SLOTS; i++) {
nuclear@21 92 Vector3 p = piece_pos(i, 0);
nuclear@21 93 bool top_side = i >= NUM_SLOTS / 2;
nuclear@21 94
nuclear@21 95 float z0 = top_side ? -PIECE_RAD : PIECE_RAD;
nuclear@21 96 float z1 = top_side ? SLOT_HEIGHT : -SLOT_HEIGHT;
nuclear@21 97
nuclear@21 98 slotbb[i] = Quad(p + Vector3(-SLOT_WIDTH / 2.0, 0, z0),
nuclear@21 99 p + Vector3(SLOT_WIDTH / 2.0, 0, z0),
nuclear@21 100 p + Vector3(SLOT_WIDTH / 2.0, 0, z1),
nuclear@21 101 p + Vector3(-SLOT_WIDTH / 2.0, 0, z1));
nuclear@21 102 }
nuclear@0 103 }
nuclear@0 104
nuclear@0 105 Board::~Board()
nuclear@0 106 {
nuclear@0 107 destroy();
nuclear@0 108 }
nuclear@0 109
nuclear@0 110 bool Board::init()
nuclear@0 111 {
nuclear@4 112 if(!generate_textures()) {
nuclear@4 113 return false;
nuclear@4 114 }
nuclear@1 115 if(!generate()) {
nuclear@0 116 return false;
nuclear@0 117 }
nuclear@1 118
nuclear@0 119 return true;
nuclear@0 120 }
nuclear@0 121
nuclear@0 122 void Board::destroy()
nuclear@0 123 {
nuclear@2 124 for(size_t i=0; i<obj.size(); i++) {
nuclear@2 125 delete obj[i];
nuclear@1 126 }
nuclear@2 127 obj.clear();
nuclear@1 128
nuclear@17 129 delete piece_obj;
nuclear@17 130 piece_obj = 0;
nuclear@0 131 }
nuclear@0 132
nuclear@0 133 void Board::clear()
nuclear@0 134 {
nuclear@17 135 memset(hist, 0, sizeof hist);
nuclear@17 136
nuclear@17 137 for(int i=0; i<MAX_PIECES; i++) {
nuclear@17 138 pieces[i].owner = i < PLAYER_PIECES ? MINE : OTHER;
nuclear@17 139 move_piece(i, -1, false);
nuclear@17 140 }
nuclear@17 141 }
nuclear@17 142
nuclear@17 143 void Board::setup()
nuclear@17 144 {
nuclear@17 145 static const int initial[] = { 0, 0, 0, 0, 5, 0, 3, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 2 };
nuclear@17 146
nuclear@17 147 clear();
nuclear@17 148
nuclear@17 149 int id = 0;
nuclear@17 150 for(int i=0; i<NUM_SLOTS; i++) {
nuclear@17 151 for(int j=0; j<initial[i]; j++) {
nuclear@17 152 move_piece(id, i, false);
nuclear@17 153 move_piece(PLAYER_PIECES + id, NUM_SLOTS - i - 1, false);
nuclear@17 154 ++id;
nuclear@17 155 }
nuclear@17 156 }
nuclear@17 157 }
nuclear@17 158
nuclear@17 159 int Board::slot_pieces(int slot) const
nuclear@17 160 {
nuclear@17 161 return hist[slot + 1];
nuclear@17 162 }
nuclear@17 163
nuclear@17 164 bool Board::move_piece(int id, int slot, bool anim)
nuclear@17 165 {
nuclear@17 166 // TODO do validity checking first
nuclear@17 167 int prev_slot = pieces[id].slot;
nuclear@17 168
nuclear@17 169 pieces[id].move_to(slot, slot_pieces(slot), anim);
nuclear@17 170 --hist[prev_slot + 1];
nuclear@17 171 ++hist[slot + 1];
nuclear@17 172 return true;
nuclear@17 173 }
nuclear@17 174
nuclear@17 175 Vector3 Board::piece_pos(int slot, int level) const
nuclear@17 176 {
nuclear@17 177 int top_side = slot / 10;
nuclear@17 178 int sidx = (top_side ? (19 - slot) : slot) % 5;
nuclear@17 179 int left_side = (top_side ? (19 - slot) : slot) / 5;
nuclear@17 180
nuclear@17 181 Vector3 pos;
nuclear@17 182
nuclear@17 183 if(left_side) {
nuclear@17 184 pos.x = -(sidx * HSIZE / 5.0 + BOARD_OFFSET - HSIZE / 2.0) - PIECE_RAD;
nuclear@17 185 } else {
nuclear@17 186 pos.x = (4 - sidx) * HSIZE / 5.0 + BOARD_OFFSET - HSIZE / 2.0 + PIECE_RAD;
nuclear@17 187 }
nuclear@17 188
nuclear@17 189 int layer = level / PIECES_PER_LAYER;
nuclear@17 190 int layer_level = level % PIECES_PER_LAYER;
nuclear@17 191
nuclear@18 192 pos.y = (layer + 0.5) * PIECE_HEIGHT;
nuclear@17 193
nuclear@17 194 pos.z = (-VSIZE * 0.5 + PIECE_RAD + PIECE_RAD * 2.0 * layer_level);
nuclear@21 195 if(!top_side) {
nuclear@17 196 pos.z = -pos.z;
nuclear@17 197 }
nuclear@17 198
nuclear@17 199 return pos;
nuclear@0 200 }
nuclear@0 201
nuclear@21 202 int Board::slot_hit(const Ray &ray) const
nuclear@21 203 {
nuclear@21 204 for(int i=0; i<NUM_SLOTS; i++) {
nuclear@21 205 if(slotbb[i].intersect(ray)) {
nuclear@21 206 return i;
nuclear@21 207 }
nuclear@21 208 }
nuclear@21 209 return -1;
nuclear@21 210 }
nuclear@21 211
nuclear@22 212 void Board::select_slot(int idx)
nuclear@22 213 {
nuclear@22 214 slot_sel = idx < 0 || idx >= NUM_SLOTS ? -1 : idx;
nuclear@22 215 }
nuclear@22 216
nuclear@22 217 int Board::get_selected_slot() const
nuclear@22 218 {
nuclear@22 219 return slot_sel;
nuclear@22 220 }
nuclear@22 221
nuclear@0 222 void Board::draw() const
nuclear@0 223 {
nuclear@19 224 bool use_shadows = opt.shadows && sdr_shadow;
nuclear@19 225 unsigned int board_sdr = use_shadows ? sdr_shadow : sdr_phong;
nuclear@19 226 unsigned int piece_sdr = use_shadows ? sdr_shadow_notex : sdr_phong_notex;
nuclear@19 227
nuclear@2 228 for(size_t i=0; i<obj.size(); i++) {
nuclear@14 229 if(wireframe) {
nuclear@14 230 obj[i]->draw_wire();
nuclear@14 231 obj[i]->draw_normals(0.075);
nuclear@14 232 } else {
nuclear@19 233 obj[i]->set_shader(board_sdr);
nuclear@14 234 obj[i]->draw();
nuclear@14 235 }
nuclear@1 236 }
nuclear@17 237
nuclear@17 238 for(int i=0; i<MAX_PIECES; i++) {
nuclear@17 239 Vector3 pos = piece_pos(pieces[i].slot, pieces[i].level);
nuclear@17 240 piece_obj->xform().set_translation(pos);
nuclear@17 241 piece_obj->mtl.diffuse = opt.piece_color[pieces[i].owner];
nuclear@19 242 piece_obj->set_shader(piece_sdr);
nuclear@17 243 piece_obj->draw();
nuclear@17 244 }
nuclear@21 245
nuclear@22 246 /*static const float pal[][3] = {
nuclear@21 247 {1, 0, 0},
nuclear@21 248 {0, 1, 0},
nuclear@21 249 {0, 0, 1},
nuclear@21 250 {1, 1, 0},
nuclear@21 251 {0, 1, 1},
nuclear@21 252 {1, 0, 1}
nuclear@22 253 };*/
nuclear@22 254 int idx = slot_sel % NUM_SLOTS;
nuclear@21 255 if(idx >= 0) {
nuclear@21 256 glUseProgram(0);
nuclear@21 257
nuclear@21 258 glPushAttrib(GL_ENABLE_BIT);
nuclear@21 259 glDisable(GL_LIGHTING);
nuclear@21 260 glDisable(GL_CULL_FACE);
nuclear@22 261 glEnable(GL_DEPTH_TEST);
nuclear@22 262 glEnable(GL_TEXTURE_2D);
nuclear@22 263 glBindTexture(GL_TEXTURE_2D, img_highlight.texture());
nuclear@22 264 glEnable(GL_BLEND);
nuclear@22 265 glBlendFunc(GL_SRC_ALPHA, GL_ONE);
nuclear@22 266
nuclear@22 267 glDepthMask(0);
nuclear@21 268
nuclear@21 269 glBegin(GL_TRIANGLES);
nuclear@22 270 //glColor3fv(pal[idx % (sizeof pal / sizeof *pal)]);
nuclear@22 271 glColor4f(1, 1, 1, 0.4);
nuclear@22 272 glTexCoord2f(0, 0);
nuclear@21 273 glVertex3f(slotbb[idx].tri0.v[0].x, slotbb[idx].tri0.v[0].y, slotbb[idx].tri0.v[0].z);
nuclear@22 274 glTexCoord2f(1, 0);
nuclear@21 275 glVertex3f(slotbb[idx].tri0.v[1].x, slotbb[idx].tri0.v[1].y, slotbb[idx].tri0.v[1].z);
nuclear@22 276 glTexCoord2f(1, 1);
nuclear@21 277 glVertex3f(slotbb[idx].tri0.v[2].x, slotbb[idx].tri0.v[2].y, slotbb[idx].tri0.v[2].z);
nuclear@22 278 glTexCoord2f(0, 0);
nuclear@21 279 glVertex3f(slotbb[idx].tri1.v[0].x, slotbb[idx].tri1.v[0].y, slotbb[idx].tri1.v[0].z);
nuclear@22 280 glTexCoord2f(1, 1);
nuclear@21 281 glVertex3f(slotbb[idx].tri1.v[1].x, slotbb[idx].tri1.v[1].y, slotbb[idx].tri1.v[1].z);
nuclear@22 282 glTexCoord2f(0, 1);
nuclear@21 283 glVertex3f(slotbb[idx].tri1.v[2].x, slotbb[idx].tri1.v[2].y, slotbb[idx].tri1.v[2].z);
nuclear@21 284 glEnd();
nuclear@21 285
nuclear@22 286 glDepthMask(1);
nuclear@22 287
nuclear@21 288 glPopAttrib();
nuclear@21 289 }
nuclear@21 290 // TODO slot highlighting
nuclear@0 291 }
nuclear@0 292
nuclear@13 293
nuclear@1 294 bool Board::generate()
nuclear@0 295 {
nuclear@18 296 static const float board_spec = 0.4;
nuclear@18 297
nuclear@4 298 Mesh tmp;
nuclear@1 299 Matrix4x4 xform;
nuclear@1 300
nuclear@2 301 obj.clear();
nuclear@2 302
nuclear@4 303 for(int i=0; i<2; i++) {
nuclear@4 304 int sign = i * 2 - 1;
nuclear@1 305
nuclear@4 306 // generate bottom
nuclear@4 307 Mesh *bottom = new Mesh;
nuclear@4 308 gen_box(bottom, HSIZE, BOT_THICKNESS, HSIZE * 2.0);
nuclear@4 309 xform.set_translation(Vector3(0, -BOT_THICKNESS / 2.0, 0));
nuclear@4 310 bottom->apply_xform(xform);
nuclear@2 311
nuclear@4 312 Object *obottom = new Object;
nuclear@4 313 obottom->set_mesh(bottom);
nuclear@17 314 obottom->xform().set_translation(Vector3(sign * BOARD_OFFSET, 0, 0));
nuclear@4 315 obottom->set_texture(img_field.texture());
nuclear@18 316 obottom->mtl.specular = Vector3(board_spec, board_spec, board_spec);
nuclear@4 317 obj.push_back(obottom);
nuclear@2 318
nuclear@1 319
nuclear@4 320 // generate the 4 sides
nuclear@4 321 Mesh *sides = new Mesh;
nuclear@4 322 gen_box(sides, WALL_THICKNESS, WALL_HEIGHT, VSIZE + WALL_THICKNESS * 2);
nuclear@4 323 xform.set_translation(Vector3(-(HSIZE + WALL_THICKNESS) / 2.0,
nuclear@4 324 WALL_HEIGHT / 2.0 - BOT_THICKNESS, 0));
nuclear@4 325 sides->apply_xform(xform);
nuclear@1 326
nuclear@4 327 gen_box(&tmp, WALL_THICKNESS, WALL_HEIGHT, VSIZE + WALL_THICKNESS * 2);
nuclear@4 328 xform.set_translation(Vector3((HSIZE + WALL_THICKNESS) / 2.0,
nuclear@4 329 WALL_HEIGHT / 2.0 - BOT_THICKNESS, 0));
nuclear@4 330 tmp.apply_xform(xform);
nuclear@4 331 sides->append(tmp);
nuclear@4 332 tmp.clear();
nuclear@1 333
nuclear@4 334 gen_box(&tmp, HSIZE, WALL_HEIGHT, WALL_THICKNESS);
nuclear@4 335 xform.set_translation(Vector3(0, WALL_HEIGHT / 2.0 - BOT_THICKNESS,
nuclear@4 336 (VSIZE + WALL_THICKNESS) / 2.0));
nuclear@4 337 tmp.apply_xform(xform);
nuclear@4 338 sides->append(tmp);
nuclear@4 339 tmp.clear();
nuclear@1 340
nuclear@4 341 gen_box(&tmp, HSIZE, WALL_HEIGHT, WALL_THICKNESS);
nuclear@4 342 xform.set_translation(Vector3(0, WALL_HEIGHT / 2.0 - BOT_THICKNESS,
nuclear@4 343 -(VSIZE + WALL_THICKNESS) / 2.0));
nuclear@4 344 tmp.apply_xform(xform);
nuclear@4 345 sides->append(tmp);
nuclear@4 346 tmp.clear();
nuclear@4 347
nuclear@6 348 // generate texture coordinates
nuclear@6 349 sides->texcoord_gen_box();
nuclear@6 350
nuclear@4 351 Object *osides = new Object;
nuclear@4 352 osides->set_mesh(sides);
nuclear@4 353 osides->xform() = obottom->xform();
nuclear@6 354 osides->set_texture(img_wood.texture());
nuclear@6 355 osides->tex_xform().set_scaling(Vector3(2, 2, 2));
nuclear@6 356 osides->tex_xform().rotate(-Vector3(1, 0, 0.5), M_PI / 4.0);
nuclear@18 357 osides->mtl.specular = Vector3(board_spec, board_spec, board_spec);
nuclear@4 358 obj.push_back(osides);
nuclear@4 359
nuclear@4 360 }
nuclear@2 361
nuclear@2 362
nuclear@1 363 // generate the hinges
nuclear@1 364 Mesh *hinges = new Mesh;
nuclear@7 365 for(int i=0; i<2; i++) {
nuclear@7 366 float sign = i * 2 - 1;
nuclear@1 367
nuclear@7 368 // barrel
nuclear@11 369 gen_cylinder(&tmp, HINGE_RAD, HINGE_HEIGHT, 8, 1, 1);
nuclear@7 370 xform.reset_identity();
nuclear@7 371 xform.translate(Vector3(0, WALL_HEIGHT - HINGE_RAD * 0.5, sign * VSIZE / 4.0));
nuclear@7 372 xform.rotate(Vector3(-M_PI / 2.0, 0, 0));
nuclear@7 373 tmp.apply_xform(xform);
nuclear@7 374 hinges->append(tmp);
nuclear@1 375
nuclear@7 376 // flange
nuclear@7 377 gen_plane(&tmp, HINGE_HEIGHT * 0.6, HINGE_HEIGHT * 0.8);
nuclear@7 378 tmp.apply_xform(xform);
nuclear@7 379
nuclear@7 380 Matrix4x4 tex_xform;
nuclear@7 381 tex_xform.set_rotation(Vector3(0, 0, M_PI / 2.0));
nuclear@7 382 tmp.texcoord_apply_xform(tex_xform);
nuclear@7 383 hinges->append(tmp);
nuclear@7 384
nuclear@7 385 // studs
nuclear@7 386 for(int j=0; j<4; j++) {
nuclear@7 387 Vector3 pos;
nuclear@7 388
nuclear@7 389 pos.x = (float)((j & 1) * 2 - 1) * HINGE_HEIGHT * 0.2;
nuclear@7 390 pos.y = (float)((j & 2) - 1) * HINGE_HEIGHT * 0.3;
nuclear@7 391
nuclear@7 392 Matrix4x4 stud_xform = xform;
nuclear@7 393 stud_xform.translate(pos);
nuclear@7 394
nuclear@7 395 Matrix4x4 squash;
nuclear@7 396 squash.set_scaling(Vector3(1, 1, 0.5));
nuclear@7 397
nuclear@7 398 gen_sphere(&tmp, HINGE_RAD * 0.5, 8, 4);
nuclear@7 399 tmp.apply_xform(stud_xform * squash);
nuclear@7 400 hinges->append(tmp);
nuclear@7 401 }
nuclear@7 402 }
nuclear@1 403
nuclear@2 404 Object *ohinges = new Object;
nuclear@2 405 ohinges->set_mesh(hinges);
nuclear@7 406 ohinges->set_texture(img_hinge.texture());
nuclear@2 407 obj.push_back(ohinges);
nuclear@1 408
nuclear@6 409 // debug object
nuclear@7 410 /*
nuclear@7 411 Mesh *dbgmesh = new Mesh;
nuclear@6 412 gen_box(dbgmesh, 0.5, 0.5, 0.5);
nuclear@6 413 xform.set_translation(Vector3(0, 0.4, 0));
nuclear@7 414 xform.set_scaling(Vector3(1, 1, 1));
nuclear@6 415 dbgmesh->apply_xform(xform);
nuclear@6 416 Object *dbgobj = new Object;
nuclear@6 417 dbgobj->set_mesh(dbgmesh);
nuclear@7 418 dbgobj->set_texture(img_hinge.texture());
nuclear@7 419 //dbgobj->tex_xform().set_scaling(Vector3(3, 3, 3));
nuclear@7 420 obj.push_back(dbgobj);
nuclear@7 421 */
nuclear@2 422
nuclear@11 423 Mesh *piece = new Mesh;
nuclear@14 424 gen_revol(piece, 18, 17, bezier_revol, bezier_revol_normal, (void*)&piece_curve);
nuclear@11 425
nuclear@11 426 Object *opiece = new Object;
nuclear@11 427 opiece->set_mesh(piece);
nuclear@12 428 opiece->mtl.diffuse = Vector3(0.6, 0.6, 0.6);
nuclear@12 429 opiece->mtl.specular = Vector3(0.8, 0.8, 0.8);
nuclear@11 430 opiece->xform().set_translation(Vector3(0, 0.2, 0));
nuclear@17 431 //obj.push_back(opiece);
nuclear@17 432
nuclear@17 433 piece_obj = opiece;
nuclear@11 434
nuclear@8 435 // meshgen stats
nuclear@8 436 printf("Generated board:\n %u meshes\n", (unsigned int)obj.size());
nuclear@8 437 unsigned int polycount = 0;
nuclear@8 438 for(size_t i=0; i<obj.size(); i++) {
nuclear@8 439 const Mesh *m = obj[i]->get_mesh();
nuclear@8 440 polycount += m->get_poly_count();
nuclear@8 441 }
nuclear@8 442 printf(" %u polygons\n", polycount);
nuclear@8 443
nuclear@1 444 return true;
nuclear@0 445 }
nuclear@4 446
nuclear@5 447 static float wood(float x, float y)
nuclear@5 448 {
nuclear@5 449 float u = x;
nuclear@5 450 float v = y;
nuclear@5 451 x += 1.0;
nuclear@5 452 x *= 10.0;
nuclear@5 453 y *= 20.0;
nuclear@5 454
nuclear@5 455 float len = sqrt(x * x + y * y) + turbulence2(u * 6.0, v * 12.0, 2) * 1.2 +
nuclear@5 456 turbulence2(u * 0.5, v, 2) * 15.0;
nuclear@5 457 float val = fmod(len, 1.0);
nuclear@5 458
nuclear@5 459 //val = val * 0.5 + 0.5;
nuclear@5 460 return val < 0.0 ? 0.0 : (val > 1.0 ? 1.0 : val);
nuclear@5 461 }
nuclear@5 462
nuclear@6 463 static float wood_tile(float x, float y)
nuclear@6 464 {
nuclear@6 465 float u = x;
nuclear@6 466 float v = y;
nuclear@6 467 x *= 10.0;
nuclear@6 468 y *= 10.0;
nuclear@6 469
nuclear@6 470 float val = x + pnoise2(u * 6.0, v, 6, 1) * 3.0 +
nuclear@6 471 pturbulence2(u * 4, v * 2, 4, 2, 2) * 1.5 + pturbulence2(u * 8, v * 8, 8, 8, 2) * 0.5;
nuclear@6 472
nuclear@6 473 val = fmod(val, 1.0);
nuclear@6 474 return val < 0.0 ? 0.0 : (val > 1.0 ? 1.0 : val);
nuclear@6 475 }
nuclear@6 476
nuclear@4 477 static bool spike(float x, float y)
nuclear@4 478 {
nuclear@4 479 x = fmod(x * 5.0, 1.0);
nuclear@4 480 return y < (x < 0.5 ? 2.0 * x : 2.0 - 2.0 * x);
nuclear@4 481 }
nuclear@4 482
nuclear@4 483 static bool circle(float x, float y, float rad)
nuclear@4 484 {
nuclear@4 485 x = fmod(x * 5.0, 1.0) - 0.5;
nuclear@4 486 y = (y - 0.65) * 5.0;
nuclear@4 487 float len = sqrt(x * x + y * y);
nuclear@4 488 return len < rad;
nuclear@4 489 }
nuclear@4 490
nuclear@4 491 static bool diamond(float x, float y)
nuclear@4 492 {
nuclear@4 493 return y >= (1.0 - (x < 0.5 ? 2.0 * x : 2.0 - 2.0 * x)) * 0.3333333 + 0.88;
nuclear@4 494 }
nuclear@4 495
nuclear@4 496 static bool center_circle(float x, float y, float rad)
nuclear@4 497 {
nuclear@4 498 x = x - 0.5;
nuclear@4 499 y = 1.0 - y;
nuclear@4 500 return sqrt(x * x + y * y) < rad;
nuclear@4 501 }
nuclear@4 502
nuclear@22 503 static bool field_pattern(float x, float y)
nuclear@22 504 {
nuclear@22 505 y = y < 0.5 ? y * 2.0 : 2.0 - y * 2.0;
nuclear@22 506 bool inside = false;
nuclear@22 507
nuclear@22 508 inside |= (spike(x, y + 0.33333) && !spike(x, y + 0.4)) ||
nuclear@22 509 (spike(x, y + 0.5) && !spike(x, y + 0.68));
nuclear@22 510 inside |= (circle(x, y, 0.12) && !circle(x, y, 0.1)) || circle(x, y, 0.06);
nuclear@22 511 inside |= (diamond(x, y) && !diamond(x, y - 0.015)) ||
nuclear@22 512 (diamond(x, y - 0.023) && !diamond(x, y - 0.028));
nuclear@22 513 inside |= center_circle(x, y, 0.03);
nuclear@22 514
nuclear@22 515 return inside;
nuclear@22 516 }
nuclear@22 517
nuclear@4 518 bool Board::generate_textures()
nuclear@4 519 {
nuclear@6 520 // ---- board field texture ----
nuclear@5 521 static const Vector3 wcol1 = Vector3(0.6, 0.4, 0.2);
nuclear@6 522 static const Vector3 wcol2 = Vector3(0.53, 0.32, 0.1);
nuclear@6 523 static const Vector3 wcol3 = Vector3(0.38, 0.25, 0.08);
nuclear@5 524
nuclear@8 525 img_field.create(1024, 1024);
nuclear@6 526 unsigned char *pptr = img_field.pixels;
nuclear@6 527 for(int i=0; i<img_field.height; i++) {
nuclear@6 528 float v = (float)i / (float)img_field.height;
nuclear@4 529
nuclear@6 530 for(int j=0; j<img_field.width; j++) {
nuclear@6 531 float u = (float)j / (float)img_field.width;
nuclear@4 532
nuclear@22 533 // pattern mask
nuclear@22 534 bool inside = field_pattern(u, v);
nuclear@4 535
nuclear@5 536 float wood_val = wood(u, v);
nuclear@5 537 Vector3 wood_color = lerp(wcol1, wcol2, wood_val) * 0.9;
nuclear@4 538 if(inside) {
nuclear@5 539 wood_color = lerp(wcol1, wcol2, 1.0 - wood_val) * 2.0;
nuclear@4 540 }
nuclear@4 541
nuclear@22 542 int r = (int)(wood_color.x * 255.0);
nuclear@22 543 int g = (int)(wood_color.y * 255.0);
nuclear@22 544 int b = (int)(wood_color.z * 255.0);
nuclear@5 545
nuclear@5 546 pptr[0] = r > 255 ? 255 : r;
nuclear@5 547 pptr[1] = g > 255 ? 255 : g;
nuclear@5 548 pptr[2] = b > 255 ? 255 : b;
nuclear@22 549 pptr[3] = 255;
nuclear@22 550 pptr += 4;
nuclear@4 551 }
nuclear@4 552 }
nuclear@6 553 img_field.texture();
nuclear@4 554
nuclear@22 555
nuclear@22 556 // ---- slot highlighting texture ----
nuclear@22 557 img_highlight.create(128, 256);
nuclear@22 558 pptr = img_highlight.pixels;
nuclear@22 559 for(int i=0; i<img_highlight.height; i++) {
nuclear@22 560 float v = (float)i / (float)img_highlight.height;
nuclear@22 561 for(int j=0; j<img_highlight.width; j++) {
nuclear@22 562 float u = (float)j / (float)img_highlight.width;
nuclear@22 563
nuclear@22 564 bool inside = field_pattern(u / 5.0, v * 0.445);
nuclear@22 565
nuclear@22 566 pptr[0] = 255;
nuclear@22 567 pptr[1] = 255;
nuclear@22 568 pptr[2] = 255;
nuclear@22 569 pptr[3] = inside ? 255 : 0;
nuclear@22 570 pptr += 4;
nuclear@22 571 }
nuclear@22 572 }
nuclear@22 573 img_highlight.texture();
nuclear@22 574
nuclear@22 575
nuclear@6 576 // ---- generic wood texture ----
nuclear@6 577 img_wood.create(256, 256);
nuclear@6 578 pptr = img_wood.pixels;
nuclear@6 579 for(int i=0; i<img_wood.height; i++) {
nuclear@6 580 float v = (float)i / (float)img_wood.height;
nuclear@6 581 for(int j=0; j<img_wood.width; j++) {
nuclear@6 582 float u = (float)j / (float)img_wood.width;
nuclear@6 583
nuclear@6 584 float wood_val = wood_tile(u, v);
nuclear@6 585 Vector3 wood_color = lerp(wcol2, wcol3, wood_val) * 0.7;
nuclear@6 586
nuclear@6 587 int r = (int)(wood_color.x * 255.0);
nuclear@6 588 int g = (int)(wood_color.y * 255.0);
nuclear@6 589 int b = (int)(wood_color.z * 255.0);
nuclear@6 590
nuclear@6 591 pptr[0] = r > 255 ? 255 : r;
nuclear@6 592 pptr[1] = g > 255 ? 255 : g;
nuclear@6 593 pptr[2] = b > 255 ? 255 : b;
nuclear@22 594 pptr[3] = 255;
nuclear@22 595 pptr += 4;
nuclear@6 596 }
nuclear@6 597 }
nuclear@6 598 img_wood.texture();
nuclear@7 599
nuclear@7 600 // ---- metal hinge diffuse texture ----
nuclear@7 601 Vector3 rusty_col1 = Vector3(0.43, 0.46, 0.52);
nuclear@7 602 Vector3 rusty_col2 = Vector3(0.52, 0.47, 0.43);
nuclear@7 603
nuclear@7 604 img_hinge.create(128, 128);
nuclear@7 605 pptr = img_hinge.pixels;
nuclear@7 606 for(int i=0; i<img_hinge.height; i++) {
nuclear@7 607 float v = (float)i / (float)img_hinge.height;
nuclear@7 608 for(int j=0; j<img_hinge.width; j++) {
nuclear@7 609 float u = (float)j / (float)img_hinge.width;
nuclear@7 610
nuclear@7 611 // rust pattern
nuclear@7 612 float w1 = fbm2(u * 4.0, v * 4.0, 3) * 0.5 + 0.5;
nuclear@9 613 //float w2 = fbm2(u * 8.0, v * 8.0, 1) * 0.5 + 0.5;
nuclear@7 614 Vector3 col = lerp(rusty_col1, rusty_col2 * 0.5, w1);
nuclear@7 615
nuclear@7 616 // center hinge split
nuclear@7 617 if(fabs(v - 0.5) < 0.01) {
nuclear@7 618 col *= 0.5;
nuclear@7 619 }
nuclear@7 620
nuclear@7 621 int r = (int)(col.x * 255.0);
nuclear@7 622 int g = (int)(col.y * 255.0);
nuclear@7 623 int b = (int)(col.z * 255.0);
nuclear@7 624
nuclear@7 625 pptr[0] = r > 255 ? 255 : (r < 0 ? 0 : r);
nuclear@7 626 pptr[1] = g > 255 ? 255 : (g < 0 ? 0 : g);
nuclear@7 627 pptr[2] = b > 255 ? 255 : (b < 0 ? 0 : b);
nuclear@22 628 pptr[3] = 255;
nuclear@7 629
nuclear@22 630 pptr += 4;
nuclear@7 631 }
nuclear@7 632 }
nuclear@7 633 img_hinge.texture();
nuclear@7 634
nuclear@4 635 return true;
nuclear@4 636 }