Source/Objects.cpp

   1 /*
   2 Copyright (C) 2003, 2010 - Wolfire Games
   3
   4 This file is part of Lugaru.
   5
   6 Lugaru is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 Lugaru is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with Lugaru.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "Objects.h"
  21 extern XYZ viewer;
  22 extern float viewdistance;
  23 extern float fadestart;
  24 extern int environment;
  25 extern float texscale;
  26 extern Light light;
  27 extern float multiplier;
  28 extern float gravity;
  29 extern FRUSTUM frustum;
  30 extern Terrain terrain;
  31 extern bool foliage;
  32 extern int detail;
  33 extern float blurness;
  34 extern float windvar;
  35 extern float playerdist;
  36 extern bool skyboxtexture;
  37
  38 //Functions
  39
  40 bool Objects::checkcollide(XYZ startpoint, XYZ endpoint, int which)
  41 {
  42     static XYZ colpoint, colviewer, coltarget;
  43     static int i;
  44
  45     startpoint.y += .1;
  46     endpoint.y += .1;
  47     startpoint.y -= .1;
  48     endpoint.y -= .1;
  49
  50     for (i = 0; i < numobjects; i++) {
  51         if (type[i] != treeleavestype && type[i] != treetrunktype && type[i] != bushtype && type[i] != firetype && i != which) {
  52             colviewer = startpoint;
  53             coltarget = endpoint;
  54             if (model[i].LineCheck(&colviewer, &coltarget, &colpoint, &position[i], &yaw[i]) != -1)
  55                 return 1;
  56         }
  57     }
  58
  59     return 0;
  60 }
  61
  62 void Objects::SphereCheckPossible(XYZ *p1, float radius)
  63 {
  64     static int i, j;
  65     static int whichpatchx;
  66     static int whichpatchz;
  67
  68     whichpatchx = p1->x / (terrain.size / subdivision * terrain.scale);
  69     whichpatchz = p1->z / (terrain.size / subdivision * terrain.scale);
  70
  71     if (whichpatchx >= 0 && whichpatchz >= 0 && whichpatchx < subdivision && whichpatchz < subdivision)
  72         if (terrain.patchobjectnum[whichpatchx][whichpatchz] > 0 && terrain.patchobjectnum[whichpatchx][whichpatchz] < 500)
  73             for (j = 0; j < terrain.patchobjectnum[whichpatchx][whichpatchz]; j++) {
  74                 i = terrain.patchobjects[whichpatchx][whichpatchz][j];
  75                 possible[i] = 0;
  76                 if (model[i].SphereCheckPossible(p1, radius, &position[i], &yaw[i]) != -1) {
  77                     possible[i] = 1;
  78                 }
  79             }
  80 }
  81
  82 void Objects::Draw()
  83 {
  84     static float distance;
  85     static int i;
  86     static XYZ moved, terrainlight;
  87     bool hidden;
  88
  89     for (i = 0; i < numobjects; i++) {
  90         if (type[i] != firetype) {
  91             moved = DoRotation(model[i].boundingspherecenter, 0, yaw[i], 0);
  92             if (type[i] == tunneltype || frustum.SphereInFrustum(position[i].x + moved.x, position[i].y + moved.y, position[i].z + moved.z, model[i].boundingsphereradius)) {
  93                 distance = distsq(&viewer, &position[i]);
  94                 distance *= 1.2;
  95                 hidden = !(distsqflat(&viewer, &position[i]) > playerdist + 3 || (type[i] != bushtype && type[i] != treeleavestype));
  96                 if (!hidden) {
  97
  98                     if (detail == 2 && distance > viewdistance * viewdistance / 4 && environment == desertenvironment)
  99                         glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, blurness );
 100                     else
 101                         glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0 );
 102                     distance = (viewdistance * viewdistance - (distance - (viewdistance * viewdistance * fadestart)) * (1 / (1 - fadestart))) / viewdistance / viewdistance;
 103                     if (distance > 1)
 104                         distance = 1;
 105                     if (distance > 0) {
 106
 107                         /*if(checkcollide(viewer,DoRotation(model[i].vertex[model[i].vertexNum],0,yaw[i],0)*scale[i]+position[i],i)){
 108                         occluded[i]+=1;
 109                         }
 110                         else occluded[i]=0;*/
 111                         if (occluded[i] < 6) {
 112                             glMatrixMode(GL_MODELVIEW);
 113                             glPushMatrix();
 114                             if (!model[i].color)
 115                                 glEnable(GL_LIGHTING);
 116                             else
 117                                 glDisable(GL_LIGHTING);
 118                             glDepthMask(1);
 119                             glTranslatef(position[i].x, position[i].y, position[i].z);
 120                             if (type[i] == bushtype) {
 121                                 messedwith[i] -= multiplier;
 122                                 if (rotxvel[i] || rotx[i]) {
 123                                     if (rotx[i] > 0) rotxvel[i] -= multiplier * 8 * fabs(rotx[i]);
 124                                     if (rotx[i] < 0) rotxvel[i] += multiplier * 8 * fabs(rotx[i]);
 125                                     if (rotx[i] > 0) rotxvel[i] -= multiplier * 4;
 126                                     if (rotx[i] < 0) rotxvel[i] += multiplier * 4;
 127                                     if (rotxvel[i] > 0) rotxvel[i] -= multiplier * 4;
 128                                     if (rotxvel[i] < 0) rotxvel[i] += multiplier * 4;
 129                                     if (fabs(rotx[i]) < multiplier * 4)
 130                                         rotx[i] = 0;
 131                                     if (fabs(rotxvel[i]) < multiplier * 4)
 132                                         rotxvel[i] = 0;
 133
 134                                     rotx[i] += rotxvel[i] * multiplier * 4;
 135                                 }
 136                                 if (rotyvel[i] || roty[i]) {
 137                                     if (roty[i] > 0) rotyvel[i] -= multiplier * 8 * fabs(roty[i]);
 138                                     if (roty[i] < 0) rotyvel[i] += multiplier * 8 * fabs(roty[i]);
 139                                     if (roty[i] > 0) rotyvel[i] -= multiplier * 4;
 140                                     if (roty[i] < 0) rotyvel[i] += multiplier * 4;
 141                                     if (rotyvel[i] > 0) rotyvel[i] -= multiplier * 4;
 142                                     if (rotyvel[i] < 0) rotyvel[i] += multiplier * 4;
 143                                     if (fabs(roty[i]) < multiplier * 4)
 144                                         roty[i] = 0;
 145                                     if (fabs(rotyvel[i]) < multiplier * 4)
 146                                         rotyvel[i] = 0;
 147
 148                                     roty[i] += rotyvel[i] * multiplier * 4;
 149                                 }
 150                                 if (roty[i]) {
 151                                     glRotatef(roty[i], 1, 0, 0);
 152                                 }
 153                                 if (rotx[i]) {
 154                                     glRotatef(-rotx[i], 0, 0, 1);
 155                                 }
 156                                 if (rotx[i] > 10)
 157                                     rotx[i] = 10;
 158                                 if (rotx[i] < -10)
 159                                     rotx[i] = -10;
 160                                 if (roty[i] > 10)
 161                                     roty[i] = 10;
 162                                 if (roty[i] < -10)
 163                                     roty[i] = -10;
 164                             }
 165                             if (type[i] == treetrunktype || type[i] == treeleavestype) {
 166                                 if (type[i] == treetrunktype || environment == 2) {
 167                                     messedwith[i] -= multiplier;
 168                                     if (rotxvel[i] || rotx[i]) {
 169                                         if (rotx[i] > 0) rotxvel[i] -= multiplier * 8 * fabs(rotx[i]);
 170                                         if (rotx[i] < 0) rotxvel[i] += multiplier * 8 * fabs(rotx[i]);
 171                                         if (rotx[i] > 0) rotxvel[i] -= multiplier * 4;
 172                                         if (rotx[i] < 0) rotxvel[i] += multiplier * 4;
 173                                         if (rotxvel[i] > 0) rotxvel[i] -= multiplier * 4;
 174                                         if (rotxvel[i] < 0) rotxvel[i] += multiplier * 4;
 175                                         if (fabs(rotx[i]) < multiplier * 4)
 176                                             rotx[i] = 0;
 177                                         if (fabs(rotxvel[i]) < multiplier * 4)
 178                                             rotxvel[i] = 0;
 179
 180                                         rotx[i] += rotxvel[i] * multiplier * 4;
 181                                     }
 182                                     if (rotyvel[i] || roty[i]) {
 183                                         if (roty[i] > 0) rotyvel[i] -= multiplier * 8 * fabs(roty[i]);
 184                                         if (roty[i] < 0) rotyvel[i] += multiplier * 8 * fabs(roty[i]);
 185                                         if (roty[i] > 0) rotyvel[i] -= multiplier * 4;
 186                                         if (roty[i] < 0) rotyvel[i] += multiplier * 4;
 187                                         if (rotyvel[i] > 0) rotyvel[i] -= multiplier * 4;
 188                                         if (rotyvel[i] < 0) rotyvel[i] += multiplier * 4;
 189                                         if (fabs(roty[i]) < multiplier * 4)
 190                                             roty[i] = 0;
 191                                         if (fabs(rotyvel[i]) < multiplier * 4)
 192                                             rotyvel[i] = 0;
 193
 194                                         roty[i] += rotyvel[i] * multiplier * 4;
 195                                     }
 196                                     if (roty[i]) {
 197                                         glRotatef(roty[i] / 6, 1, 0, 0);
 198                                     }
 199                                     if (rotx[i]) {
 200                                         glRotatef(-rotx[i] / 6, 0, 0, 1);
 201                                     }
 202                                     if (rotx[i] > 10)
 203                                         rotx[i] = 10;
 204                                     if (rotx[i] < -10)
 205                                         rotx[i] = -10;
 206                                     if (roty[i] > 10)
 207                                         roty[i] = 10;
 208                                     if (roty[i] < -10)
 209                                         roty[i] = -10;
 210                                 } else {
 211                                     messedwith[i] -= multiplier;
 212                                     if (rotxvel[i] || rotx[i]) {
 213                                         if (rotx[i] > 0) rotxvel[i] -= multiplier * 8 * fabs(rotx[i]);
 214                                         if (rotx[i] < 0) rotxvel[i] += multiplier * 8 * fabs(rotx[i]);
 215                                         if (rotx[i] > 0) rotxvel[i] -= multiplier * 4;
 216                                         if (rotx[i] < 0) rotxvel[i] += multiplier * 4;
 217                                         if (rotxvel[i] > 0) rotxvel[i] -= multiplier * 4;
 218                                         if (rotxvel[i] < 0) rotxvel[i] += multiplier * 4;
 219                                         if (fabs(rotx[i]) < multiplier * 4)
 220                                             rotx[i] = 0;
 221                                         if (fabs(rotxvel[i]) < multiplier * 4)
 222                                             rotxvel[i] = 0;
 223
 224                                         rotx[i] += rotxvel[i] * multiplier * 4;
 225                                     }
 226                                     if (rotyvel[i] || roty[i]) {
 227                                         if (roty[i] > 0) rotyvel[i] -= multiplier * 8 * fabs(roty[i]);
 228                                         if (roty[i] < 0) rotyvel[i] += multiplier * 8 * fabs(roty[i]);
 229                                         if (roty[i] > 0) rotyvel[i] -= multiplier * 4;
 230                                         if (roty[i] < 0) rotyvel[i] += multiplier * 4;
 231                                         if (rotyvel[i] > 0) rotyvel[i] -= multiplier * 4;
 232                                         if (rotyvel[i] < 0) rotyvel[i] += multiplier * 4;
 233                                         if (fabs(roty[i]) < multiplier * 4)
 234                                             roty[i] = 0;
 235                                         if (fabs(rotyvel[i]) < multiplier * 4)
 236                                             rotyvel[i] = 0;
 237
 238                                         roty[i] += rotyvel[i] * multiplier * 4;
 239                                     }
 240                                     if (roty[i]) {
 241                                         glRotatef(roty[i] / 4, 1, 0, 0);
 242                                     }
 243                                     if (rotx[i]) {
 244                                         glRotatef(-rotx[i] / 4, 0, 0, 1);
 245                                     }
 246                                     if (rotx[i] > 10)
 247                                         rotx[i] = 10;
 248                                     if (rotx[i] < -10)
 249                                         rotx[i] = -10;
 250                                     if (roty[i] > 10)
 251                                         roty[i] = 10;
 252                                     if (roty[i] < -10)
 253                                         roty[i] = -10;
 254                                 }
 255
 256                             }
 257                             if (/*detail==2&&*/environment == snowyenvironment) {
 258                                 if (type[i] == treeleavestype) {
 259                                     glRotatef((sin(windvar + position[i].x * .3) + .5) * 1.5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 260                                 }
 261                                 if (type[i] == treetrunktype) {
 262                                     glRotatef((sin(windvar + position[i].x * .3) + .5)*.5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 263                                 }
 264                                 if (type[i] == bushtype) {
 265                                     glRotatef((sin(windvar + position[i].x * .3) + .5) * 4 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 266                                 }
 267                             }
 268                             if (/*detail==2&&*/environment == grassyenvironment) {
 269                                 if (type[i] == treeleavestype) {
 270                                     glRotatef((sin(windvar + position[i].x * .3) + .5) * 1.5 * .5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 271                                 }
 272                                 if (type[i] == treetrunktype) {
 273                                     glRotatef((sin(windvar + position[i].x * .3) + .5)*.5 * .5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 274                                 }
 275                                 if (type[i] == bushtype) {
 276                                     glRotatef((sin(windvar + position[i].x * .3) + .5) * 4 * .5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 277                                 }
 278                             }
 279                             if (/*detail==2&&*/environment == desertenvironment) {
 280                                 if (type[i] == bushtype) {
 281                                     glRotatef((sin(windvar + position[i].x * .3) + .5) * 4 * .5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 282                                 }
 283                             }
 284                             glRotatef(yaw[i], 0, 1, 0);
 285                             if (distance > 1)
 286                                 distance = 1;
 287                             glColor4f((1 - shadowed[i]) / 2 + .5, (1 - shadowed[i]) / 2 + .5, (1 - shadowed[i]) / 2 + .5, distance);
 288                             if (distance >= 1) {
 289                                 glDisable(GL_BLEND);
 290                                 glAlphaFunc(GL_GREATER, 0.5);
 291                             }
 292                             if (distance < 1) {
 293                                 glEnable(GL_BLEND);
 294                                 glAlphaFunc(GL_GREATER, 0.1);
 295                             }
 296                             if (type[i] != treetrunktype && type[i] != treeleavestype && type[i] != bushtype && type[i] != rocktype) {
 297                                 glEnable(GL_CULL_FACE);
 298                                 glAlphaFunc(GL_GREATER, 0.0001);
 299                                 model[i].drawdifftex(boxtextureptr);
 300                                 model[i].drawdecals(terrain.shadowtexture, terrain.bloodtexture, terrain.bloodtexture2, terrain.breaktexture);
 301                             }
 302                             if (type[i] == rocktype) {
 303                                 glEnable(GL_CULL_FACE);
 304                                 glAlphaFunc(GL_GREATER, 0.0001);
 305                                 glColor4f((1 - shadowed[i]) / 2 + light.ambient[0], (1 - shadowed[i]) / 2 + light.ambient[1], (1 - shadowed[i]) / 2 + light.ambient[2], distance);
 306                                 model[i].drawdifftex(rocktextureptr);
 307                                 model[i].drawdecals(terrain.shadowtexture, terrain.bloodtexture, terrain.bloodtexture2, terrain.breaktexture);
 308                             }
 309                             if (type[i] == treeleavestype) {
 310                                 glDisable(GL_CULL_FACE);
 311                                 glDisable(GL_LIGHTING);
 312                                 terrainlight = terrain.getLighting(position[i].x, position[i].z);
 313                                 if (!hidden) {
 314                                     glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, distance);
 315                                     if (distance < 1)
 316                                         glAlphaFunc(GL_GREATER, 0.2);
 317                                 }
 318                                 if (hidden) {
 319                                     glDepthMask(0);
 320                                     glEnable(GL_BLEND);
 321                                     glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, distance / 3);
 322                                     glAlphaFunc(GL_GREATER, 0);
 323                                 }
 324                                 model[i].drawdifftex(treetextureptr);
 325                             }
 326                             if (type[i] == bushtype) {
 327                                 glDisable(GL_CULL_FACE);
 328                                 glDisable(GL_LIGHTING);
 329                                 terrainlight = terrain.getLighting(position[i].x, position[i].z);
 330                                 if (!hidden) {
 331                                     glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, distance);
 332                                     if (distance < 1)
 333                                         glAlphaFunc(GL_GREATER, 0.2);
 334                                 }
 335                                 if (hidden) {
 336                                     glDepthMask(0);
 337                                     glEnable(GL_BLEND);
 338                                     glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, distance / 3);
 339                                     glAlphaFunc(GL_GREATER, 0);
 340                                 }
 341                                 model[i].drawdifftex(bushtextureptr);
 342                             }
 343                             if (type[i] == treetrunktype) {
 344                                 glEnable(GL_CULL_FACE);
 345                                 terrainlight = terrain.getLighting(position[i].x, position[i].z);
 346                                 glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, distance);
 347                                 model[i].drawdifftex(treetextureptr);
 348                             }
 349                             glPopMatrix();
 350                         }
 351                     }
 352                 }
 353             }
 354         }
 355     }
 356
 357     glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0 );
 358     for (i = 0; i < numobjects; i++) {
 359         if (type[i] == treeleavestype || type[i] == bushtype) {
 360             moved = DoRotation(model[i].boundingspherecenter, 0, yaw[i], 0);
 361             if (frustum.SphereInFrustum(position[i].x + moved.x, position[i].y + moved.y, position[i].z + moved.z, model[i].boundingsphereradius)) {
 362                 hidden = distsqflat(&viewer, &position[i]) <= playerdist + 3;
 363                 if (hidden) {
 364                     distance = 1;
 365                     glMatrixMode(GL_MODELVIEW);
 366                     glPushMatrix();
 367                     glEnable(GL_LIGHTING);
 368                     glDepthMask(1);
 369                     glTranslatef(position[i].x, position[i].y, position[i].z);
 370                     if (type[i] == bushtype) {
 371                         messedwith[i] -= multiplier;
 372                         if (rotxvel[i] || rotx[i]) {
 373                             if (rotx[i] > 0) rotxvel[i] -= multiplier * 8 * fabs(rotx[i]);
 374                             if (rotx[i] < 0) rotxvel[i] += multiplier * 8 * fabs(rotx[i]);
 375                             if (rotx[i] > 0) rotxvel[i] -= multiplier * 4;
 376                             if (rotx[i] < 0) rotxvel[i] += multiplier * 4;
 377                             if (rotxvel[i] > 0) rotxvel[i] -= multiplier * 4;
 378                             if (rotxvel[i] < 0) rotxvel[i] += multiplier * 4;
 379                             if (fabs(rotx[i]) < multiplier * 4)
 380                                 rotx[i] = 0;
 381                             if (fabs(rotxvel[i]) < multiplier * 4)
 382                                 rotxvel[i] = 0;
 383
 384                             rotx[i] += rotxvel[i] * multiplier * 4;
 385                         }
 386                         if (rotyvel[i] || roty[i]) {
 387                             if (roty[i] > 0) rotyvel[i] -= multiplier * 8 * fabs(roty[i]);
 388                             if (roty[i] < 0) rotyvel[i] += multiplier * 8 * fabs(roty[i]);
 389                             if (roty[i] > 0) rotyvel[i] -= multiplier * 4;
 390                             if (roty[i] < 0) rotyvel[i] += multiplier * 4;
 391                             if (rotyvel[i] > 0) rotyvel[i] -= multiplier * 4;
 392                             if (rotyvel[i] < 0) rotyvel[i] += multiplier * 4;
 393                             if (fabs(roty[i]) < multiplier * 4)
 394                                 roty[i] = 0;
 395                             if (fabs(rotyvel[i]) < multiplier * 4)
 396                                 rotyvel[i] = 0;
 397
 398                             roty[i] += rotyvel[i] * multiplier * 4;
 399                         }
 400                         if (roty[i]) {
 401                             glRotatef(roty[i], 1, 0, 0);
 402                         }
 403                         if (rotx[i]) {
 404                             glRotatef(-rotx[i], 0, 0, 1);
 405                         }
 406                         if (rotx[i] > 10)
 407                             rotx[i] = 10;
 408                         if (rotx[i] < -10)
 409                             rotx[i] = -10;
 410                         if (roty[i] > 10)
 411                             roty[i] = 10;
 412                         if (roty[i] < -10)
 413                             roty[i] = -10;
 414                     }
 415                     if (type[i] == treetrunktype || type[i] == treeleavestype) {
 416                         messedwith[i] -= multiplier;
 417                         if (rotxvel[i] || rotx[i]) {
 418                             if (rotx[i] > 0) rotxvel[i] -= multiplier * 8 * fabs(rotx[i]);
 419                             if (rotx[i] < 0) rotxvel[i] += multiplier * 8 * fabs(rotx[i]);
 420                             if (rotx[i] > 0) rotxvel[i] -= multiplier * 4;
 421                             if (rotx[i] < 0) rotxvel[i] += multiplier * 4;
 422                             if (rotxvel[i] > 0) rotxvel[i] -= multiplier * 4;
 423                             if (rotxvel[i] < 0) rotxvel[i] += multiplier * 4;
 424                             if (fabs(rotx[i]) < multiplier * 4)
 425                                 rotx[i] = 0;
 426                             if (fabs(rotxvel[i]) < multiplier * 4)
 427                                 rotxvel[i] = 0;
 428
 429                             rotx[i] += rotxvel[i] * multiplier * 4;
 430                         }
 431                         if (rotyvel[i] || roty[i]) {
 432                             if (roty[i] > 0) rotyvel[i] -= multiplier * 8 * fabs(roty[i]);
 433                             if (roty[i] < 0) rotyvel[i] += multiplier * 8 * fabs(roty[i]);
 434                             if (roty[i] > 0) rotyvel[i] -= multiplier * 4;
 435                             if (roty[i] < 0) rotyvel[i] += multiplier * 4;
 436                             if (rotyvel[i] > 0) rotyvel[i] -= multiplier * 4;
 437                             if (rotyvel[i] < 0) rotyvel[i] += multiplier * 4;
 438                             if (fabs(roty[i]) < multiplier * 4)
 439                                 roty[i] = 0;
 440                             if (fabs(rotyvel[i]) < multiplier * 4)
 441                                 rotyvel[i] = 0;
 442
 443                             roty[i] += rotyvel[i] * multiplier * 4;
 444                         }
 445                         if (roty[i]) {
 446                             glRotatef(roty[i] / 2, 1, 0, 0);
 447                         }
 448                         if (rotx[i]) {
 449                             glRotatef(-rotx[i] / 2, 0, 0, 1);
 450                         }
 451                         if (rotx[i] > 10)
 452                             rotx[i] = 10;
 453                         if (rotx[i] < -10)
 454                             rotx[i] = -10;
 455                         if (roty[i] > 10)
 456                             roty[i] = 10;
 457                         if (roty[i] < -10)
 458                             roty[i] = -10;
 459                     }
 460                     if (environment == snowyenvironment) {
 461                         if (type[i] == treeleavestype) {
 462                             glRotatef((sin(windvar + position[i].x * .3) + .5) * 1.5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 463                         }
 464                         if (type[i] == treetrunktype) {
 465                             glRotatef((sin(windvar + position[i].x * .3) + .5)*.5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 466                         }
 467                         if (type[i] == bushtype) {
 468                             glRotatef((sin(windvar + position[i].x * .3) + .5) * 4 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 469                         }
 470                     }
 471                     if (environment == grassyenvironment) {
 472                         if (type[i] == treeleavestype) {
 473                             glRotatef((sin(windvar + position[i].x * .3) + .5) * 1.5 * .5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 474                         }
 475                         if (type[i] == treetrunktype) {
 476                             glRotatef((sin(windvar + position[i].x * .3) + .5)*.5 * .5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 477                         }
 478                         if (type[i] == bushtype) {
 479                             glRotatef((sin(windvar + position[i].x * .3) + .5) * 4 * .5 * (sin(windvar * 2 + position[i].x * .3) + 1) / 2, 1, 0, 0);
 480                         }
 481                     }
 482                     glRotatef(yaw[i], 0, 1, 0);
 483                     glColor4f(1, 1, 1, distance);
 484                     if (type[i] == treeleavestype) {
 485                         glDisable(GL_CULL_FACE);
 486                         glDisable(GL_LIGHTING);
 487                         terrainlight = terrain.getLighting(position[i].x, position[i].z);
 488                         glDepthMask(0);
 489                         glEnable(GL_BLEND);
 490                         glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, .3);
 491                         glAlphaFunc(GL_GREATER, 0);
 492                         glDisable(GL_ALPHA_TEST);
 493                         model[i].drawdifftex(treetextureptr);
 494                     }
 495                     if (type[i] == bushtype) {
 496                         glDisable(GL_CULL_FACE);
 497                         glDisable(GL_LIGHTING);
 498                         terrainlight = terrain.getLighting(position[i].x, position[i].z);
 499                         glDepthMask(0);
 500                         glEnable(GL_BLEND);
 501                         glColor4f(terrainlight.x, terrainlight.y, terrainlight.z, .3);
 502                         glAlphaFunc(GL_GREATER, 0);
 503                         glDisable(GL_ALPHA_TEST);
 504                         model[i].drawdifftex(bushtextureptr);
 505                     }
 506                     glPopMatrix();
 507                 }
 508             }
 509         }
 510     }
 511     if (environment == desertenvironment)
 512         glTexEnvf( GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0 );
 513     glEnable(GL_ALPHA_TEST);
 514     SetUpLight(&light, 0);
 515 }
 516
 517 void Objects::DeleteObject(int which)
 518 {
 519     type[numobjects - 1] = 0;
 520     yaw[numobjects - 1] = 0;
 521     position[numobjects - 1] = 0;
 522     scale[numobjects - 1] = 0;
 523     friction[numobjects - 1] = 0;
 524
 525     numobjects--;
 526 }
 527
 528 void Objects::MakeObject(int atype, XYZ where, float ayaw, float ascale)
 529 {
 530     if ((atype != treeleavestype && atype != bushtype) || foliage == 1) {
 531         scale[numobjects] = ascale;
 532         if (atype == treeleavestype)
 533             scale[numobjects] += fabs((float)(Random() % 100) / 900) * ascale;
 534
 535         onfire[numobjects] = 0;
 536         flamedelay[numobjects] = 0;
 537         type[numobjects] = atype;
 538
 539         if (atype == firetype)
 540             onfire[numobjects] = 1;
 541
 542         position[numobjects] = where;
 543         if (atype == bushtype)
 544             position[numobjects].y = terrain.getHeight(position[numobjects].x, position[numobjects].z) - .3;
 545         yaw[numobjects] = ayaw;
 546
 547         rotxvel[numobjects] = 0;
 548         rotyvel[numobjects] = 0;
 549         rotx[numobjects] = 0;
 550         roty[numobjects] = 0;
 551
 552         if (atype == boxtype)           model[numobjects].loaddecal((char *)":Data:Models:Box.solid", 0);
 553         if (atype == cooltype)          model[numobjects].loaddecal((char *)":Data:Models:Cool.solid", 0);
 554         if (atype == walltype)          model[numobjects].loaddecal((char *)":Data:Models:Wall.solid", 0);
 555         if (atype == tunneltype)        model[numobjects].loaddecal((char *)":Data:Models:Tunnel.solid", 0);
 556         if (atype == chimneytype)       model[numobjects].loaddecal((char *)":Data:Models:Chimney.solid", 0);
 557         if (atype == spiketype)         model[numobjects].load((char *)":Data:Models:Spike.solid", 0);
 558         if (atype == weirdtype)         model[numobjects].loaddecal((char *)":Data:Models:Weird.solid", 0);
 559         if (atype == rocktype)          model[numobjects].loaddecal((char *)":Data:Models:Rock.solid", 0);
 560         if (atype == treetrunktype)     model[numobjects].load((char *)":Data:Models:Treetrunk.solid", 0);
 561         if (atype == treeleavestype)    model[numobjects].load((char *)":Data:Models:Leaves.solid", 0);
 562         if (atype == bushtype)          model[numobjects].load((char *)":Data:Models:Bush.solid", 0);
 563
 564         if (atype == boxtype)           friction[numobjects] = 1.5;
 565         if (atype == cooltype)          friction[numobjects] = 1.5;
 566         if (atype == walltype)          friction[numobjects] = 1.5;
 567         if (atype == platformtype)      friction[numobjects] = 1.5;
 568         if (atype == tunneltype)        friction[numobjects] = 1.5;
 569         if (atype == chimneytype)       friction[numobjects] = 1.5;
 570         if (atype == rocktype)          friction[numobjects] = .5;
 571         if (atype == rocktype && ascale>.5) friction[numobjects] = 1.5;
 572         if (atype == weirdtype)         friction[numobjects] = 1.5;
 573         if (atype == spiketype)         friction[numobjects] = .4;
 574         if (atype == treetrunktype)     friction[numobjects] = .4;
 575         if (atype == treeleavestype)    friction[numobjects] = 0;
 576
 577         if (atype == platformtype) {
 578             model[numobjects].loaddecal((char *)":Data:Models:Platform.solid", 0);
 579             model[numobjects].Rotate(90, 0, 0);
 580         }
 581
 582         if (type[numobjects] == boxtype || type[numobjects] == cooltype || type[numobjects] == spiketype || type[numobjects] == weirdtype || type[numobjects] == walltype || type[numobjects] == chimneytype || type[numobjects] == tunneltype || type[numobjects] == platformtype) {
 583             model[numobjects].ScaleTexCoords(scale[numobjects] * 1.5);
 584         }
 585         if (type[numobjects] == rocktype) {
 586             model[numobjects].ScaleTexCoords(scale[numobjects] * 3);
 587         }
 588         model[numobjects].flat = 1;
 589         if (atype == treetrunktype || atype == treeleavestype || atype == rocktype) {
 590             model[numobjects].flat = 0;
 591         }
 592         model[numobjects].Scale(.3 * scale[numobjects], .3 * scale[numobjects], .3 * scale[numobjects]);
 593         model[numobjects].Rotate(90, 1, 1);
 594         if (type[numobjects] == rocktype) {
 595             model[numobjects].Rotate(ayaw * 5, 1, 1);
 596         }
 597         model[numobjects].CalculateNormals(1);
 598         model[numobjects].ScaleNormals(-1, -1, -1);
 599
 600         if (atype == treetrunktype && position[numobjects].y < terrain.getHeight(position[numobjects].x, position[numobjects].z) + 1) {
 601             if (detail == 2)
 602                 terrain.MakeDecal(shadowdecalpermanent, position[numobjects], 2, .4, 0);
 603         }
 604
 605         if (atype == bushtype && position[numobjects].y < terrain.getHeight(position[numobjects].x, position[numobjects].z) + 1) {
 606             if (detail == 2)
 607                 terrain.MakeDecal(shadowdecalpermanent, position[numobjects], 1, .4, 0);
 608         }
 609
 610         if (atype != treeleavestype && atype != bushtype && atype != firetype)
 611             terrain.AddObject(where + DoRotation(model[numobjects].boundingspherecenter, 0, ayaw, 0), model[numobjects].boundingsphereradius, numobjects);
 612
 613         numobjects++;
 614     }
 615 }
 616
 617 void Objects::MakeObject(int atype, XYZ where, float ayaw, float apitch, float ascale)
 618 {
 619     if ((atype != treeleavestype && atype != bushtype) || foliage == 1) {
 620         scale[numobjects] = ascale;
 621         if (atype == treeleavestype)
 622             scale[numobjects] += fabs((float)(Random() % 100) / 900) * ascale;
 623
 624         onfire[numobjects] = 0;
 625         flamedelay[numobjects] = 0;
 626         type[numobjects] = atype;
 627
 628         if (atype == firetype)
 629             onfire[numobjects] = 1;
 630
 631         position[numobjects] = where;
 632         if (atype == bushtype)
 633             position[numobjects].y = terrain.getHeight(position[numobjects].x, position[numobjects].z) - .3;
 634         /*if(atype==firetype){
 635         if(position[numobjects].y<terrain.getHeight(position[numobjects].x,position[numobjects].z)-.3)
 636         position[numobjects].y=terrain.getHeight(position[numobjects].x,position[numobjects].z)-.3;
 637         }*/
 638         yaw[numobjects] = ayaw;
 639         pitch[numobjects] = apitch;
 640
 641         rotxvel[numobjects] = 0;
 642         rotyvel[numobjects] = 0;
 643         rotx[numobjects] = 0;
 644         roty[numobjects] = 0;
 645
 646         if (atype == boxtype)           model[numobjects].loaddecal((char *)":Data:Models:Box.solid", 0);
 647         if (atype == cooltype)          model[numobjects].loaddecal((char *)":Data:Models:Cool.solid", 0);
 648         if (atype == walltype)          model[numobjects].loaddecal((char *)":Data:Models:Wall.solid", 0);
 649         if (atype == tunneltype)        model[numobjects].loaddecal((char *)":Data:Models:Tunnel.solid", 0);
 650         if (atype == chimneytype)       model[numobjects].loaddecal((char *)":Data:Models:Chimney.solid", 0);
 651         if (atype == spiketype)         model[numobjects].load((char *)":Data:Models:Spike.solid", 0);
 652         if (atype == weirdtype)         model[numobjects].loaddecal((char *)":Data:Models:Weird.solid", 0);
 653         if (atype == rocktype)          model[numobjects].loaddecal((char *)":Data:Models:Rock.solid", 0);
 654         if (atype == treetrunktype)     model[numobjects].load((char *)":Data:Models:Treetrunk.solid", 0);
 655         if (atype == treeleavestype)    model[numobjects].load((char *)":Data:Models:Leaves.solid", 0);
 656         if (atype == bushtype)          model[numobjects].load((char *)":Data:Models:Bush.solid", 0);
 657
 658         if (atype == boxtype)           friction[numobjects] = 1.5;
 659         if (atype == cooltype)          friction[numobjects] = 1.5;
 660         if (atype == walltype)          friction[numobjects] = 1.5;
 661         if (atype == platformtype)      friction[numobjects] = 1.5;
 662         if (atype == tunneltype)        friction[numobjects] = 1.5;
 663         if (atype == chimneytype)       friction[numobjects] = 1.5;
 664         if (atype == rocktype)          friction[numobjects] = .5;
 665         if (atype == rocktype && ascale>.5) friction[numobjects] = 1.5;
 666         if (atype == weirdtype)         friction[numobjects] = 1.5;
 667         if (atype == spiketype)         friction[numobjects] = .4;
 668         if (atype == treetrunktype)     friction[numobjects] = .4;
 669         if (atype == treeleavestype)    friction[numobjects] = 0;
 670
 671         if (friction[numobjects] == 1.5 && fabs(apitch) > 5)
 672             friction[numobjects] = .5;
 673
 674         if (atype == platformtype) {
 675             model[numobjects].loaddecal((char *)":Data:Models:Platform.solid", 0);
 676             model[numobjects].Rotate(90, 0, 0);
 677         }
 678
 679         if (type[numobjects] == boxtype || type[numobjects] == cooltype || type[numobjects] == spiketype || type[numobjects] == weirdtype || type[numobjects] == walltype || type[numobjects] == chimneytype || type[numobjects] == tunneltype || type[numobjects] == platformtype) {
 680             model[numobjects].ScaleTexCoords(scale[numobjects] * 1.5);
 681         }
 682         if (type[numobjects] == rocktype) {
 683             model[numobjects].ScaleTexCoords(scale[numobjects] * 3);
 684         }
 685         model[numobjects].flat = 1;
 686         if (atype == treetrunktype || atype == treeleavestype || atype == rocktype) {
 687             model[numobjects].flat = 0;
 688         }
 689         model[numobjects].Scale(.3 * scale[numobjects], .3 * scale[numobjects], .3 * scale[numobjects]);
 690         model[numobjects].Rotate(90, 1, 1);
 691         model[numobjects].Rotate(apitch, 0, 0);
 692         if (type[numobjects] == rocktype) {
 693             model[numobjects].Rotate(ayaw * 5, 0, 0);
 694         }
 695         model[numobjects].CalculateNormals(1);
 696         model[numobjects].ScaleNormals(-1, -1, -1);
 697
 698         if (atype == treetrunktype && position[numobjects].y < terrain.getHeight(position[numobjects].x, position[numobjects].z) + 1) {
 699             if (detail == 2)
 700                 terrain.MakeDecal(shadowdecalpermanent, position[numobjects], 2, .4, 0);
 701         }
 702
 703         if (atype == bushtype && position[numobjects].y < terrain.getHeight(position[numobjects].x, position[numobjects].z) + 1) {
 704             if (detail == 2)
 705                 terrain.MakeDecal(shadowdecalpermanent, position[numobjects], 1, .4, 0);
 706         }
 707
 708         if (atype != treeleavestype && atype != bushtype && atype != firetype)
 709             terrain.AddObject(where + DoRotation(model[numobjects].boundingspherecenter, 0, ayaw, 0), model[numobjects].boundingsphereradius, numobjects);
 710
 711         numobjects++;
 712     }
 713 }
 714
 715 void Objects::DoStuff()
 716 {
 717     XYZ spawnpoint;
 718     for (int i = 0; i < numobjects; i++) {
 719         /*if(type[i]==firetype){
 720         Sprite::MakeSprite(weaponshinesprite, position[i],position[i]*0, 1,1,1, 5, 1);
 721         }*/
 722
 723         if (type[i] == firetype)
 724             onfire[i] = 1;
 725         if (onfire[i]) {
 726             if (type[i] == bushtype)
 727                 flamedelay[i] -= multiplier * 3;
 728             if (type[i] == firetype)
 729                 flamedelay[i] -= multiplier * 3;
 730             if (type[i] == treeleavestype)
 731                 flamedelay[i] -= multiplier * 4;
 732             while (flamedelay[i] < 0 && onfire[i]) {
 733                 flamedelay[i] += .006;
 734                 if (type[i] == bushtype || type[i] == firetype) {
 735                     spawnpoint.x = ((float)(Random() % 100)) / 30 * scale[i];
 736                     spawnpoint.y = ((float)(Random() % 100) + 60) / 30 * scale[i];
 737                     spawnpoint.z = 0;
 738                     spawnpoint = DoRotation(spawnpoint, 0, Random() % 360, 0);
 739                     spawnpoint += position[i];
 740                     Sprite::MakeSprite(flamesprite, spawnpoint, spawnpoint * 0, 1, 1, 1, (.6 + (float)abs(Random() % 100) / 200 - .25) * 5 * scale[i], 1);
 741                 }
 742                 if (type[i] == treeleavestype) {
 743                     spawnpoint.x = ((float)(Random() % 100)) / 80 * scale[i];
 744                     spawnpoint.y = ((float)(Random() % 100) + 80) / 12 * scale[i];
 745                     spawnpoint.z = 0;
 746                     spawnpoint = DoRotation(spawnpoint, 0, Random() % 360, 0);
 747                     spawnpoint += position[i];
 748                     Sprite::MakeSprite(flamesprite, spawnpoint, spawnpoint * 0, 1, 1, 1, (.6 + (float)abs(Random() % 100) / 200 - .25) * 6, 1);
 749                 }
 750             }
 751
 752         }
 753     }
 754 }
 755
 756 void Objects::DoShadows()
 757 {
 758     int i, j, k, l;
 759     static XYZ testpoint, testpoint2, terrainpoint, lightloc, col;
 760     lightloc = light.location;
 761     if (!skyboxtexture)
 762         lightloc = 0;
 763     lightloc.y += 10;
 764     Normalise(&lightloc);
 765     int patchx, patchz;
 766
 767     if (numobjects > 0)
 768         for (i = 0; i < numobjects; i++) {
 769             if (type[i] != treeleavestype && type[i] != treetrunktype && type[i] != bushtype && type[i] != firetype) {
 770                 for (j = 0; j < model[i].vertexNum; j++) {
 771                     terrainpoint = position[i] + DoRotation(model[i].vertex[j] + model[i].normals[j] * .1, 0, yaw[i], 0);
 772                     //terrainpoint.y+=model[i].boundingsphereradius;
 773                     shadowed[i] = 0;
 774                     patchx = terrainpoint.x / (terrain.size / subdivision * terrain.scale);
 775                     patchz = terrainpoint.z / (terrain.size / subdivision * terrain.scale);
 776                     if (patchx >= 0 && patchz >= 0 && patchx < subdivision && patchz < subdivision)
 777                         if (terrain.patchobjectnum[patchx][patchz])
 778                             for (k = 0; k < terrain.patchobjectnum[patchx][patchz]; k++) {
 779                                 l = terrain.patchobjects[patchx][patchz][k];
 780                                 if (type[l] != treetrunktype/*&&l!=i*/) {
 781                                     testpoint = terrainpoint;
 782                                     testpoint2 = terrainpoint + lightloc * 50 * (1 - shadowed[i]);
 783                                     if (model[l].LineCheck(&testpoint, &testpoint2, &col, &position[l], &yaw[l]) != -1) {
 784                                         shadowed[i] = 1 - (findDistance(&terrainpoint, &col) / 50);
 785                                     }
 786                                 }
 787                             }
 788                     if (shadowed[i] > 0) {
 789                         col = model[i].normals[j] - DoRotation(lightloc * shadowed[i], 0, -yaw[i], 0);
 790                         Normalise(&col);
 791                         for (k = 0; k < model[i].TriangleNum; k++) {
 792                             if (model[i].Triangles[k].vertex[0] == j) {
 793                                 l = k * 24;
 794                                 model[i].vArray[l + 2] = col.x;
 795                                 model[i].vArray[l + 3] = col.y;
 796                                 model[i].vArray[l + 4] = col.z;
 797                             }
 798                             if (model[i].Triangles[k].vertex[1] == j) {
 799                                 l = k * 24;
 800                                 model[i].vArray[l + 10] = col.x;
 801                                 model[i].vArray[l + 11] = col.y;
 802                                 model[i].vArray[l + 12] = col.z;
 803                             }
 804                             if (model[i].Triangles[k].vertex[2] == j) {
 805                                 l = k * 24;
 806                                 model[i].vArray[l + 18] = col.x;
 807                                 model[i].vArray[l + 19] = col.y;
 808                                 model[i].vArray[l + 20] = col.z;
 809                             }
 810                         }
 811                     }
 812                 }
 813             }
 814             shadowed[i] = 0;
 815         }
 816 }
 817
 818 Objects::Objects()
 819 {
 820     center = 0;
 821     radius = 0;
 822     numobjects = 0;
 823
 824     memset(position, 0, sizeof(position));
 825     memset(type, 0, sizeof(type));
 826     memset(yaw, 0, sizeof(yaw));
 827     memset(pitch, 0, sizeof(pitch));
 828     memset(rotx, 0, sizeof(rotx));
 829     memset(rotxvel, 0, sizeof(rotxvel));
 830     memset(roty, 0, sizeof(roty));
 831     memset(rotyvel, 0, sizeof(rotyvel));
 832     memset(possible, 0, sizeof(possible));
 833     memset(model, 0, sizeof(model));
 834     memset(displaymodel, 0, sizeof(displaymodel));
 835     memset(friction, 0, sizeof(friction));
 836     memset(scale, 0, sizeof(scale));
 837     memset(messedwith, 0, sizeof(messedwith));
 838     memset(checked, 0, sizeof(checked));
 839     memset(shadowed, 0, sizeof(shadowed));
 840     memset(occluded, 0, sizeof(occluded));
 841     memset(onfire, 0, sizeof(onfire));
 842     memset(flamedelay, 0, sizeof(flamedelay));
 843 }
 844
 845 Objects::~Objects()
 846 {
 847     boxtextureptr.destroy();
 848     treetextureptr.destroy();
 849     bushtextureptr.destroy();
 850     rocktextureptr.destroy();
 851 };
 852