Source/Models.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
   7 modify it under the terms of the GNU General Public License
   8 as published by the Free Software Foundation; either version 2
   9 of the License, or (at your option) any later version.
  10
  11 This program 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.
  14
  15 See the GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20 */
  21
  22 #include "Game.h"
  23 #include "Models.h"
  24
  25 extern float multiplier;
  26 extern float viewdistance;
  27 extern XYZ viewer;
  28 extern float fadestart;
  29 extern float texdetail;
  30 extern bool decals;
  31
  32 extern bool visibleloading;
  33
  34 int Model::LineCheck(XYZ *p1,XYZ *p2, XYZ *p, XYZ *move, float *rotate)
  35 {
  36         static int j;
  37         static float distance;
  38         static float olddistance;
  39         static int intersecting;
  40         static int firstintersecting;
  41         static XYZ point;
  42
  43         *p1=*p1-*move;
  44         *p2=*p2-*move;
  45         if(*rotate)*p1=DoRotation(*p1,0,-*rotate,0);
  46         if(*rotate)*p2=DoRotation(*p2,0,-*rotate,0);
  47         if(!sphere_line_intersection(p1,p2,&boundingspherecenter,
  48                 &boundingsphereradius))return -1;
  49         firstintersecting=-1;
  50
  51         for (j=0;j<TriangleNum;j++){
  52                 intersecting=LineFacetd(p1,p2,&vertex[Triangles[j].vertex[0]],&vertex[Triangles[j].vertex[1]],&vertex[Triangles[j].vertex[2]],&facenormals[j],&point);
  53                 distance=(point.x-p1->x)*(point.x-p1->x)+(point.y-p1->y)*(point.y-p1->y)+(point.z-p1->z)*(point.z-p1->z);
  54                 if((distance<olddistance||firstintersecting==-1)&&intersecting){olddistance=distance; firstintersecting=j; *p=point;}
  55         }
  56
  57         if(*rotate)*p=DoRotation(*p,0,*rotate,0);
  58         *p=*p+*move;
  59         return firstintersecting;
  60 }
  61
  62 int Model::LineCheckSlide(XYZ *p1,XYZ *p2, XYZ *p, XYZ *move, float *rotate)
  63 {
  64         static int j;
  65         static float distance;
  66         static float olddistance;
  67         static int intersecting;
  68         static int firstintersecting;
  69         static XYZ point;
  70
  71         *p1=*p1-*move;
  72         *p2=*p2-*move;
  73         if(!sphere_line_intersection(p1,p2,&boundingspherecenter,
  74                 &boundingsphereradius))return -1;
  75         firstintersecting=-1;
  76         if(*rotate)*p1=DoRotation(*p1,0,-*rotate,0);
  77         if(*rotate)*p2=DoRotation(*p2,0,-*rotate,0);
  78
  79         for (j=0;j<TriangleNum;j++){
  80                 intersecting=LineFacetd(p1,p2,&vertex[Triangles[j].vertex[0]],&vertex[Triangles[j].vertex[1]],&vertex[Triangles[j].vertex[2]],&facenormals[j],&point);
  81                 distance=(point.x-p1->x)*(point.x-p1->x)+(point.y-p1->y)*(point.y-p1->y)+(point.z-p1->z)*(point.z-p1->z);
  82                 if((distance<olddistance||firstintersecting==-1)&&intersecting){olddistance=distance; firstintersecting=j;}
  83         }
  84
  85         distance=abs((facenormals[firstintersecting].x*p2->x)+(facenormals[firstintersecting].y*p2->y)+(facenormals[firstintersecting].z*p2->z)-((facenormals[firstintersecting].x*vertex[Triangles[firstintersecting].vertex[0]].x)+(facenormals[firstintersecting].y*vertex[Triangles[firstintersecting].vertex[0]].y)+(facenormals[firstintersecting].z*vertex[Triangles[firstintersecting].vertex[0]].z)));
  86         *p2-=facenormals[firstintersecting]*distance;
  87
  88         if(*rotate)*p2=DoRotation(*p2,0,*rotate,0);
  89         *p2=*p2+*move;
  90         return firstintersecting;
  91 }
  92
  93 int Model::LineCheckPossible(XYZ *p1,XYZ *p2, XYZ *p, XYZ *move, float *rotate)
  94 {
  95         static int j;
  96         static float distance;
  97         static float olddistance;
  98         static int intersecting;
  99         static int firstintersecting;
 100         static XYZ point;
 101
 102         *p1=*p1-*move;
 103         *p2=*p2-*move;
 104         if(!sphere_line_intersection(p1,p2,&boundingspherecenter,
 105                 &boundingsphereradius))return -1;
 106         firstintersecting=-1;
 107         if(*rotate)*p1=DoRotation(*p1,0,-*rotate,0);
 108         if(*rotate)*p2=DoRotation(*p2,0,-*rotate,0);
 109
 110         if(numpossible>0&&numpossible<TriangleNum)
 111                 for (j=0;j<numpossible;j++){
 112                         if(possible[j]>=0&&possible[j]<TriangleNum){
 113                                 intersecting=LineFacetd(p1,p2,&vertex[Triangles[possible[j]].vertex[0]],&vertex[Triangles[possible[j]].vertex[1]],&vertex[Triangles[possible[j]].vertex[2]],&facenormals[possible[j]],&point);
 114                                 distance=(point.x-p1->x)*(point.x-p1->x)+(point.y-p1->y)*(point.y-p1->y)+(point.z-p1->z)*(point.z-p1->z);
 115                                 if((distance<olddistance||firstintersecting==-1)&&intersecting){olddistance=distance; firstintersecting=possible[j]; *p=point;}
 116                         }
 117                 }
 118
 119                 if(*rotate)*p=DoRotation(*p,0,*rotate,0);
 120                 *p=*p+*move;
 121                 return firstintersecting;
 122 }
 123
 124 int Model::LineCheckSlidePossible(XYZ *p1,XYZ *p2, XYZ *p, XYZ *move, float *rotate)
 125 {
 126         static int j;
 127         static float distance;
 128         static float olddistance;
 129         static int intersecting;
 130         static int firstintersecting;
 131         static XYZ point;
 132
 133         *p1=*p1-*move;
 134         *p2=*p2-*move;
 135         if(!sphere_line_intersection(p1,p2,&boundingspherecenter,
 136                 &boundingsphereradius))return -1;
 137         firstintersecting=-1;
 138         if(*rotate)*p1=DoRotation(*p1,0,-*rotate,0);
 139         if(*rotate)*p2=DoRotation(*p2,0,-*rotate,0);
 140
 141         if(numpossible)
 142                 for (j=0;j<numpossible;j++){
 143                         if(possible[j]>=0&&possible[j]<TriangleNum){
 144                                 intersecting=LineFacetd(p1,p2,&vertex[Triangles[possible[j]].vertex[0]],&vertex[Triangles[possible[j]].vertex[1]],&vertex[Triangles[possible[j]].vertex[2]],&facenormals[possible[j]],&point);
 145                                 distance=(point.x-p1->x)*(point.x-p1->x)+(point.y-p1->y)*(point.y-p1->y)+(point.z-p1->z)*(point.z-p1->z);
 146                                 if((distance<olddistance||firstintersecting==-1)&&intersecting){olddistance=distance; firstintersecting=possible[j];}
 147                         }
 148                 }
 149
 150                 if(firstintersecting>0){
 151                         distance=abs((facenormals[firstintersecting].x*p2->x)+(facenormals[firstintersecting].y*p2->y)+(facenormals[firstintersecting].z*p2->z)-((facenormals[firstintersecting].x*vertex[Triangles[firstintersecting].vertex[0]].x)+(facenormals[firstintersecting].y*vertex[Triangles[firstintersecting].vertex[0]].y)+(facenormals[firstintersecting].z*vertex[Triangles[firstintersecting].vertex[0]].z)));
 152                         *p2-=facenormals[firstintersecting]*distance;
 153                 }
 154
 155                 if(*rotate)*p2=DoRotation(*p2,0,*rotate,0);
 156                 *p2=*p2+*move;
 157                 return firstintersecting;
 158 }
 159
 160 int Model::SphereCheck(XYZ *p1,float radius, XYZ *p, XYZ *move, float *rotate)
 161 {
 162         static int i,j;
 163         static float distance;
 164         static float olddistance;
 165         static int intersecting;
 166         static int firstintersecting;
 167         static XYZ point;
 168         static XYZ oldp1;
 169         static XYZ start,end;
 170
 171         firstintersecting=-1;
 172
 173         oldp1=*p1;
 174         *p1=*p1-*move;
 175         if(*rotate)*p1=DoRotation(*p1,0,-*rotate,0);
 176         if(findDistancefast(p1,&boundingspherecenter)>radius*radius+boundingsphereradius*boundingsphereradius)return -1;
 177
 178         for(i=0;i<4;i++){
 179                 for (j=0;j<TriangleNum;j++){
 180                         intersecting=0;
 181                         distance=abs((facenormals[j].x*p1->x)+(facenormals[j].y*p1->y)+(facenormals[j].z*p1->z)-((facenormals[j].x*vertex[Triangles[j].vertex[0]].x)+(facenormals[j].y*vertex[Triangles[j].vertex[0]].y)+(facenormals[j].z*vertex[Triangles[j].vertex[0]].z)));
 182                         if(distance<radius){
 183                                 point=*p1-facenormals[j]*distance;
 184                                 if(PointInTriangle( &point, facenormals[j], &vertex[Triangles[j].vertex[0]], &vertex[Triangles[j].vertex[1]], &vertex[Triangles[j].vertex[2]]))intersecting=1;
 185                                 if(!intersecting)intersecting=sphere_line_intersection(&vertex[Triangles[j].vertex[0]],
 186                                         &vertex[Triangles[j].vertex[1]],
 187                                         p1, &radius);
 188                                 if(!intersecting)intersecting=sphere_line_intersection(&vertex[Triangles[j].vertex[1]],
 189                                         &vertex[Triangles[j].vertex[2]],
 190                                         p1, &radius);
 191                                 if(!intersecting)intersecting=sphere_line_intersection(&vertex[Triangles[j].vertex[0]],
 192                                         &vertex[Triangles[j].vertex[2]],
 193                                         p1, &radius);
 194                                 if(intersecting){
 195                                         *p1+=facenormals[j]*(distance-radius);
 196                                         /*start=*p1;
 197                                         end=*p1;
 198                                         end.y-=radius;
 199                                         if(LineFacetd(&start,&end,&vertex[Triangles[j].vertex[0]],&vertex[Triangles[j].vertex[1]],&vertex[Triangles[j].vertex[2]],&facenormals[j],&point)){
 200                                         p1->y=point.y+radius;
 201                                         }*/
 202                                 }
 203                         }
 204                         if((distance<olddistance||firstintersecting==-1)&&intersecting){olddistance=distance; firstintersecting=j; *p=point;}
 205                 }
 206         }
 207         if(*rotate)*p=DoRotation(*p,0,*rotate,0);
 208         *p=*p+*move;
 209         if(*rotate)*p1=DoRotation(*p1,0,*rotate,0);
 210         *p1+=*move;
 211         return firstintersecting;
 212 }
 213
 214 int Model::SphereCheckPossible(XYZ *p1,float radius, XYZ *move, float *rotate)
 215 {
 216         static int i,j;
 217         static float distance;
 218         static float olddistance;
 219         static int intersecting;
 220         static int firstintersecting;
 221         static XYZ point;
 222         static XYZ oldp1;
 223         static XYZ start,end;
 224
 225         firstintersecting=-1;
 226
 227         oldp1=*p1;
 228         *p1=*p1-*move;
 229
 230         numpossible=0;
 231
 232         if(*rotate)*p1=DoRotation(*p1,0,-*rotate,0);
 233         if(findDistancefast(p1,&boundingspherecenter)>radius*radius+boundingsphereradius*boundingsphereradius){*p1=oldp1; return -1;}
 234
 235         for (j=0;j<TriangleNum;j++){
 236                 intersecting=0;
 237                 distance=abs((facenormals[j].x*p1->x)+(facenormals[j].y*p1->y)+(facenormals[j].z*p1->z)-((facenormals[j].x*vertex[Triangles[j].vertex[0]].x)+(facenormals[j].y*vertex[Triangles[j].vertex[0]].y)+(facenormals[j].z*vertex[Triangles[j].vertex[0]].z)));
 238                 if(distance<radius){
 239                         point=*p1-facenormals[j]*distance;
 240                         if(PointInTriangle( &point, facenormals[j], &vertex[Triangles[j].vertex[0]], &vertex[Triangles[j].vertex[1]], &vertex[Triangles[j].vertex[2]]))intersecting=1;
 241                         if(!intersecting)intersecting=sphere_line_intersection(&vertex[Triangles[j].vertex[0]],
 242                                 &vertex[Triangles[j].vertex[1]],
 243                                 p1, &radius);
 244                         if(!intersecting)intersecting=sphere_line_intersection(&vertex[Triangles[j].vertex[1]],
 245                                 &vertex[Triangles[j].vertex[2]],
 246                                 p1, &radius);
 247                         if(!intersecting)intersecting=sphere_line_intersection(&vertex[Triangles[j].vertex[0]],
 248                                 &vertex[Triangles[j].vertex[2]],
 249                                 p1, &radius);
 250                         if(intersecting){
 251                                 //if(j>=0&&j<TriangleNum)
 252                                 possible[numpossible]=j;
 253                                 numpossible++;
 254                         }
 255                 }
 256                 if((distance<olddistance||firstintersecting==-1)&&intersecting){olddistance=distance; firstintersecting=j;}
 257         }
 258         if(*rotate)*p1=DoRotation(*p1,0,*rotate,0);
 259         *p1+=*move;
 260         return firstintersecting;
 261 }
 262
 263
 264 void Model::UpdateVertexArray(){
 265         if(type!=normaltype&&type!=decalstype)return;
 266         static int i;
 267         static int j;
 268         if(!flat)
 269                 for(i=0;i<TriangleNum;i++){
 270                         j=i*24;
 271                         vArray[j+0]=Triangles[i].gx[0];
 272                         vArray[j+1]=Triangles[i].gy[0];
 273                         vArray[j+2]=normals[Triangles[i].vertex[0]].x;
 274                         vArray[j+3]=normals[Triangles[i].vertex[0]].y;
 275                         vArray[j+4]=normals[Triangles[i].vertex[0]].z;
 276                         vArray[j+5]=vertex[Triangles[i].vertex[0]].x;
 277                         vArray[j+6]=vertex[Triangles[i].vertex[0]].y;
 278                         vArray[j+7]=vertex[Triangles[i].vertex[0]].z;
 279
 280                         vArray[j+8]=Triangles[i].gx[1];
 281                         vArray[j+9]=Triangles[i].gy[1];
 282                         vArray[j+10]=normals[Triangles[i].vertex[1]].x;
 283                         vArray[j+11]=normals[Triangles[i].vertex[1]].y;
 284                         vArray[j+12]=normals[Triangles[i].vertex[1]].z;
 285                         vArray[j+13]=vertex[Triangles[i].vertex[1]].x;
 286                         vArray[j+14]=vertex[Triangles[i].vertex[1]].y;
 287                         vArray[j+15]=vertex[Triangles[i].vertex[1]].z;
 288
 289                         vArray[j+16]=Triangles[i].gx[2];
 290                         vArray[j+17]=Triangles[i].gy[2];
 291                         vArray[j+18]=normals[Triangles[i].vertex[2]].x;
 292                         vArray[j+19]=normals[Triangles[i].vertex[2]].y;
 293                         vArray[j+20]=normals[Triangles[i].vertex[2]].z;
 294                         vArray[j+21]=vertex[Triangles[i].vertex[2]].x;
 295                         vArray[j+22]=vertex[Triangles[i].vertex[2]].y;
 296                         vArray[j+23]=vertex[Triangles[i].vertex[2]].z;
 297                 }
 298                 if(flat)
 299                         for(i=0;i<TriangleNum;i++){
 300                                 j=i*24;
 301                                 vArray[j+0]=Triangles[i].gx[0];
 302                                 vArray[j+1]=Triangles[i].gy[0];
 303                                 vArray[j+2]=facenormals[i].x*-1;
 304                                 vArray[j+3]=facenormals[i].y*-1;
 305                                 vArray[j+4]=facenormals[i].z*-1;
 306                                 vArray[j+5]=vertex[Triangles[i].vertex[0]].x;
 307                                 vArray[j+6]=vertex[Triangles[i].vertex[0]].y;
 308                                 vArray[j+7]=vertex[Triangles[i].vertex[0]].z;
 309
 310                                 vArray[j+8]=Triangles[i].gx[1];
 311                                 vArray[j+9]=Triangles[i].gy[1];
 312                                 vArray[j+10]=facenormals[i].x*-1;
 313                                 vArray[j+11]=facenormals[i].y*-1;
 314                                 vArray[j+12]=facenormals[i].z*-1;
 315                                 vArray[j+13]=vertex[Triangles[i].vertex[1]].x;
 316                                 vArray[j+14]=vertex[Triangles[i].vertex[1]].y;
 317                                 vArray[j+15]=vertex[Triangles[i].vertex[1]].z;
 318
 319                                 vArray[j+16]=Triangles[i].gx[2];
 320                                 vArray[j+17]=Triangles[i].gy[2];
 321                                 vArray[j+18]=facenormals[i].x*-1;
 322                                 vArray[j+19]=facenormals[i].y*-1;
 323                                 vArray[j+20]=facenormals[i].z*-1;
 324                                 vArray[j+21]=vertex[Triangles[i].vertex[2]].x;
 325                                 vArray[j+22]=vertex[Triangles[i].vertex[2]].y;
 326                                 vArray[j+23]=vertex[Triangles[i].vertex[2]].z;
 327
 328                         }
 329 }
 330
 331 void Model::UpdateVertexArrayNoTex(){
 332         if(type!=normaltype&&type!=decalstype)return;
 333         static int i;
 334         static int j;
 335         if(!flat)
 336                 for(i=0;i<TriangleNum;i++){
 337                         j=i*24;
 338                         vArray[j+2]=normals[Triangles[i].vertex[0]].x;
 339                         vArray[j+3]=normals[Triangles[i].vertex[0]].y;
 340                         vArray[j+4]=normals[Triangles[i].vertex[0]].z;
 341                         vArray[j+5]=vertex[Triangles[i].vertex[0]].x;
 342                         vArray[j+6]=vertex[Triangles[i].vertex[0]].y;
 343                         vArray[j+7]=vertex[Triangles[i].vertex[0]].z;
 344
 345                         vArray[j+10]=normals[Triangles[i].vertex[1]].x;
 346                         vArray[j+11]=normals[Triangles[i].vertex[1]].y;
 347                         vArray[j+12]=normals[Triangles[i].vertex[1]].z;
 348                         vArray[j+13]=vertex[Triangles[i].vertex[1]].x;
 349                         vArray[j+14]=vertex[Triangles[i].vertex[1]].y;
 350                         vArray[j+15]=vertex[Triangles[i].vertex[1]].z;
 351
 352                         vArray[j+18]=normals[Triangles[i].vertex[2]].x;
 353                         vArray[j+19]=normals[Triangles[i].vertex[2]].y;
 354                         vArray[j+20]=normals[Triangles[i].vertex[2]].z;
 355                         vArray[j+21]=vertex[Triangles[i].vertex[2]].x;
 356                         vArray[j+22]=vertex[Triangles[i].vertex[2]].y;
 357                         vArray[j+23]=vertex[Triangles[i].vertex[2]].z;
 358                 }
 359                 if(flat)
 360                         for(i=0;i<TriangleNum;i++){
 361                                 j=i*24;
 362                                 vArray[j+2]=facenormals[i].x*-1;
 363                                 vArray[j+3]=facenormals[i].y*-1;
 364                                 vArray[j+4]=facenormals[i].z*-1;
 365                                 vArray[j+5]=vertex[Triangles[i].vertex[0]].x;
 366                                 vArray[j+6]=vertex[Triangles[i].vertex[0]].y;
 367                                 vArray[j+7]=vertex[Triangles[i].vertex[0]].z;
 368
 369                                 vArray[j+10]=facenormals[i].x*-1;
 370                                 vArray[j+11]=facenormals[i].y*-1;
 371                                 vArray[j+12]=facenormals[i].z*-1;
 372                                 vArray[j+13]=vertex[Triangles[i].vertex[1]].x;
 373                                 vArray[j+14]=vertex[Triangles[i].vertex[1]].y;
 374                                 vArray[j+15]=vertex[Triangles[i].vertex[1]].z;
 375
 376                                 vArray[j+18]=facenormals[i].x*-1;
 377                                 vArray[j+19]=facenormals[i].y*-1;
 378                                 vArray[j+20]=facenormals[i].z*-1;
 379                                 vArray[j+21]=vertex[Triangles[i].vertex[2]].x;
 380                                 vArray[j+22]=vertex[Triangles[i].vertex[2]].y;
 381                                 vArray[j+23]=vertex[Triangles[i].vertex[2]].z;
 382                         }
 383 }
 384
 385 void Model::UpdateVertexArrayNoTexNoNorm(){
 386         if(type!=normaltype&&type!=decalstype)return;
 387         static int i;
 388         static int j;
 389         for(i=0;i<TriangleNum;i++){
 390                 j=i*24;
 391                 vArray[j+5]=vertex[Triangles[i].vertex[0]].x;
 392                 vArray[j+6]=vertex[Triangles[i].vertex[0]].y;
 393                 vArray[j+7]=vertex[Triangles[i].vertex[0]].z;
 394
 395                 vArray[j+13]=vertex[Triangles[i].vertex[1]].x;
 396                 vArray[j+14]=vertex[Triangles[i].vertex[1]].y;
 397                 vArray[j+15]=vertex[Triangles[i].vertex[1]].z;
 398
 399                 vArray[j+21]=vertex[Triangles[i].vertex[2]].x;
 400                 vArray[j+22]=vertex[Triangles[i].vertex[2]].y;
 401                 vArray[j+23]=vertex[Triangles[i].vertex[2]].z;
 402         }
 403 }
 404
 405 bool Model::loadnotex(const char *filename )
 406 {
 407         FILE                    *tfile;
 408         long                            i;
 409
 410         int oldvertexNum,oldTriangleNum;
 411         oldvertexNum=vertexNum;
 412         oldTriangleNum=TriangleNum;
 413
 414         type=notextype;
 415         color=0;
 416
 417         tfile=fopen( ConvertFileName(filename), "rb" );
 418         // read model settings
 419
 420         fseek(tfile, 0, SEEK_SET);
 421         funpackf(tfile, "Bs Bs", &vertexNum, &TriangleNum);
 422
 423         // read the model data
 424         deallocate();
 425
 426         numpossible=0;
 427
 428         owner = (int*)malloc(sizeof(int)*vertexNum);
 429         possible = (int*)malloc(sizeof(int)*TriangleNum);
 430         vertex = (XYZ*)malloc(sizeof(XYZ)*vertexNum);
 431         Triangles = (TexturedTriangle*)malloc(sizeof(TexturedTriangle)*TriangleNum);
 432         vArray = (GLfloat*)malloc(sizeof(GLfloat)*TriangleNum*24);
 433
 434         for(i=0;i<vertexNum;i++){
 435                 funpackf(tfile, "Bf Bf Bf", &vertex[i].x,&vertex[i].y,&vertex[i].z);
 436         }
 437
 438         for(i=0;i<TriangleNum;i++){
 439                 //              funpackf(tfile, "Bi Bi Bi", &Triangles[i].vertex[0], &Triangles[i].vertex[1], &Triangles[i].vertex[2]);
 440                 short vertex[ 6];
 441                 funpackf(tfile, "Bs Bs Bs Bs Bs Bs", &vertex[ 0], &vertex[ 1], &vertex[ 2], &vertex[ 3], &vertex[ 4], &vertex[ 5]);
 442                 Triangles[i].vertex[ 0] = vertex[ 0];
 443                 Triangles[i].vertex[ 1] = vertex[ 2];
 444                 Triangles[i].vertex[ 2] = vertex[ 4];
 445                 funpackf(tfile, "Bf Bf Bf", &Triangles[i].gx[0], &Triangles[i].gx[1], &Triangles[i].gx[2]);
 446                 funpackf(tfile, "Bf Bf Bf", &Triangles[i].gy[0], &Triangles[i].gy[1], &Triangles[i].gy[2]);
 447         }
 448
 449         fclose(tfile);
 450
 451         UpdateVertexArray();
 452
 453         for(i=0;i<vertexNum;i++){
 454                 owner[i]=-1;
 455         }
 456
 457         static int j;
 458         boundingsphereradius=0;
 459         for(i=0;i<vertexNum;i++){
 460                 for(j=0;j<vertexNum;j++){
 461                         if(j!=i&&findDistancefast(&vertex[j],&vertex[i])/2>boundingsphereradius){
 462                                 boundingsphereradius=findDistancefast(&vertex[j],&vertex[i])/2;
 463                                 boundingspherecenter=(vertex[i]+vertex[j])/2;
 464                         }
 465                 }
 466         }
 467         boundingsphereradius=fast_sqrt(boundingsphereradius);
 468
 469         return 1;
 470 }
 471
 472
 473 bool Model::load(const char *filename,bool texture )
 474 {
 475         FILE                    *tfile;
 476         long                            i;
 477
 478         LOGFUNC;
 479
 480         LOG(std::string("Loading model...") + filename);
 481
 482         if(visibleloading)
 483                 Game::LoadingScreen();
 484
 485         int oldvertexNum,oldTriangleNum;
 486         oldvertexNum=vertexNum;
 487         oldTriangleNum=TriangleNum;
 488
 489         type = normaltype;
 490         color=0;
 491
 492         tfile=fopen( ConvertFileName(filename), "rb" );
 493         // read model settings
 494
 495
 496         fseek(tfile, 0, SEEK_SET);
 497         funpackf(tfile, "Bs Bs", &vertexNum, &TriangleNum);
 498
 499         // read the model data
 500         deallocate();
 501
 502         numpossible=0;
 503
 504         owner = (int*)malloc(sizeof(int)*vertexNum);
 505         possible = (int*)malloc(sizeof(int)*TriangleNum);
 506         vertex = (XYZ*)malloc(sizeof(XYZ)*vertexNum);
 507         normals = (XYZ*)malloc(sizeof(XYZ)*vertexNum);
 508         facenormals = (XYZ*)malloc(sizeof(XYZ)*TriangleNum);
 509         Triangles = (TexturedTriangle*)malloc(sizeof(TexturedTriangle)*TriangleNum);
 510         vArray = (GLfloat*)malloc(sizeof(GLfloat)*TriangleNum*24);
 511
 512         for(i=0;i<vertexNum;i++){
 513                 funpackf(tfile, "Bf Bf Bf", &vertex[i].x,&vertex[i].y,&vertex[i].z);
 514         }
 515
 516         for(i=0;i<TriangleNum;i++){
 517                 //              funpackf(tfile, "Bi Bi Bi", &Triangles[i].vertex[0], &Triangles[i].vertex[1], &Triangles[i].vertex[2]);
 518                 short vertex[ 6];
 519                 funpackf(tfile, "Bs Bs Bs Bs Bs Bs", &vertex[ 0], &vertex[ 1], &vertex[ 2], &vertex[ 3], &vertex[ 4], &vertex[ 5]);
 520                 Triangles[i].vertex[ 0] = vertex[ 0];
 521                 Triangles[i].vertex[ 1] = vertex[ 2];
 522                 Triangles[i].vertex[ 2] = vertex[ 4];
 523                 funpackf(tfile, "Bf Bf Bf", &Triangles[i].gx[0], &Triangles[i].gx[1], &Triangles[i].gx[2]);
 524                 funpackf(tfile, "Bf Bf Bf", &Triangles[i].gy[0], &Triangles[i].gy[1], &Triangles[i].gy[2]);
 525         }
 526
 527         Texture.xsz=0;
 528
 529         fclose(tfile);
 530
 531         UpdateVertexArray();
 532
 533         for(i=0;i<vertexNum;i++){
 534                 owner[i]=-1;
 535         }
 536
 537         static int j;
 538         boundingsphereradius=0;
 539         for(i=0;i<vertexNum;i++){
 540                 for(j=0;j<vertexNum;j++){
 541                         if(j!=i&&findDistancefast(&vertex[j],&vertex[i])/2>boundingsphereradius){
 542                                 boundingsphereradius=findDistancefast(&vertex[j],&vertex[i])/2;
 543                                 boundingspherecenter=(vertex[i]+vertex[j])/2;
 544                         }
 545                 }
 546         }
 547         boundingsphereradius=fast_sqrt(boundingsphereradius);
 548
 549         return 1;
 550 }
 551
 552 bool Model::loaddecal(const char *filename,bool texture )
 553 {
 554         FILE                    *tfile;
 555         long                            i,j;
 556
 557         LOGFUNC;
 558
 559         // Changing the filename so that its more os specific
 560         char * FixedFN = ConvertFileName(filename);
 561
 562         LOG(std::string("Loading decal...") + FixedFN);
 563
 564         int oldvertexNum,oldTriangleNum;
 565         oldvertexNum=vertexNum;
 566         oldTriangleNum=TriangleNum;
 567
 568         type = decalstype;
 569         numdecals=0;
 570         color=0;
 571
 572         tfile=fopen( FixedFN, "rb" );
 573         // read model settings
 574
 575
 576         fseek(tfile, 0, SEEK_SET);
 577         funpackf(tfile, "Bs Bs", &vertexNum, &TriangleNum);
 578
 579         // read the model data
 580
 581         deallocate();
 582
 583         numpossible=0;
 584
 585         owner = (int*)malloc(sizeof(int)*vertexNum);
 586         possible = (int*)malloc(sizeof(int)*TriangleNum);
 587         vertex = (XYZ*)malloc(sizeof(XYZ)*vertexNum);
 588         normals = (XYZ*)malloc(sizeof(XYZ)*vertexNum);
 589         facenormals = (XYZ*)malloc(sizeof(XYZ)*TriangleNum);
 590         Triangles = (TexturedTriangle*)malloc(sizeof(TexturedTriangle)*TriangleNum);
 591         vArray = (GLfloat*)malloc(sizeof(GLfloat)*TriangleNum*24);
 592
 593
 594         for(i=0;i<vertexNum;i++){
 595                 funpackf(tfile, "Bf Bf Bf", &vertex[i].x,&vertex[i].y,&vertex[i].z);
 596         }
 597
 598         for(i=0;i<TriangleNum;i++){
 599                 //              funpackf(tfile, "Bi Bi Bi", &Triangles[i].vertex[0], &Triangles[i].vertex[1], &Triangles[i].vertex[2]);
 600                 short vertex[ 6];
 601                 funpackf(tfile, "Bs Bs Bs Bs Bs Bs", &vertex[ 0], &vertex[ 1], &vertex[ 2], &vertex[ 3], &vertex[ 4], &vertex[ 5]);
 602                 Triangles[i].vertex[ 0] = vertex[ 0];
 603                 Triangles[i].vertex[ 1] = vertex[ 2];
 604                 Triangles[i].vertex[ 2] = vertex[ 4];
 605                 funpackf(tfile, "Bf Bf Bf", &Triangles[i].gx[0], &Triangles[i].gx[1], &Triangles[i].gx[2]);
 606                 funpackf(tfile, "Bf Bf Bf", &Triangles[i].gy[0], &Triangles[i].gy[1], &Triangles[i].gy[2]);
 607         }
 608
 609
 610         Texture.xsz=0;
 611
 612         fclose(tfile);
 613
 614         UpdateVertexArray();
 615
 616         for(i=0;i<vertexNum;i++){
 617                 owner[i]=-1;
 618         }
 619
 620         boundingsphereradius=0;
 621         for(i=0;i<vertexNum;i++){
 622                 for(j=0;j<vertexNum;j++){
 623                         if(j!=i&&findDistancefast(&vertex[j],&vertex[i])/2>boundingsphereradius){
 624                                 boundingsphereradius=findDistancefast(&vertex[j],&vertex[i])/2;
 625                                 boundingspherecenter=(vertex[i]+vertex[j])/2;
 626                         }
 627                 }
 628         }
 629         boundingsphereradius=fast_sqrt(boundingsphereradius);
 630
 631         //allow decals
 632         if(!decaltexcoords){
 633                 decaltexcoords = (float***)malloc(sizeof(float**)*max_model_decals);
 634                 for(i=0;i<max_model_decals;i++){
 635                         decaltexcoords[i] = (float**)malloc(sizeof(float*)*3);
 636                         for(j=0;j<3;j++){
 637                                 decaltexcoords[i][j] = (float*)malloc(sizeof(float)*2);
 638                         }
 639                 }
 640                 //if(decalvertex)free(decalvertex);
 641                 decalvertex = (XYZ**)malloc(sizeof(XYZ*)*max_model_decals);
 642                 for(i=0;i<max_model_decals;i++){
 643                         decalvertex[i] = (XYZ*)malloc(sizeof(XYZ)*3);
 644                 }
 645
 646                 decaltype = (int*)malloc(sizeof(int)*max_model_decals);
 647                 decalopacity = (float*)malloc(sizeof(float)*max_model_decals);
 648                 decalrotation = (float*)malloc(sizeof(float)*max_model_decals);
 649                 decalalivetime = (float*)malloc(sizeof(float)*max_model_decals);
 650                 decalposition = (XYZ*)malloc(sizeof(XYZ)*max_model_decals);
 651         }
 652
 653         return 1;
 654 }
 655
 656 bool Model::loadraw(char *filename )
 657 {
 658         FILE                    *tfile;
 659         long                            i;
 660
 661         LOGFUNC;
 662
 663         LOG(std::string("Loading raw...") + filename);
 664
 665         int oldvertexNum,oldTriangleNum;
 666         oldvertexNum=vertexNum;
 667         oldTriangleNum=TriangleNum;
 668
 669         type = rawtype;
 670         color=0;
 671
 672         tfile=fopen( ConvertFileName(filename), "rb" );
 673         // read model settings
 674
 675
 676         fseek(tfile, 0, SEEK_SET);
 677         funpackf(tfile, "Bs Bs", &vertexNum, &TriangleNum);
 678
 679         // read the model data
 680         deallocate();
 681
 682         numpossible=0;
 683
 684         owner = (int*)malloc(sizeof(int)*vertexNum);
 685         possible = (int*)malloc(sizeof(int)*TriangleNum);
 686         vertex = (XYZ*)malloc(sizeof(XYZ)*vertexNum);
 687         Triangles = (TexturedTriangle*)malloc(sizeof(TexturedTriangle)*TriangleNum);
 688         vArray = (GLfloat*)malloc(sizeof(GLfloat)*TriangleNum*24);
 689
 690
 691         for(i=0;i<vertexNum;i++){
 692                 funpackf(tfile, "Bf Bf Bf", &vertex[i].x,&vertex[i].y,&vertex[i].z);
 693         }
 694
 695         for(i=0;i<TriangleNum;i++){
 696                 //              funpackf(tfile, "Bi Bi Bi", &Triangles[i].vertex[0], &Triangles[i].vertex[1], &Triangles[i].vertex[2]);
 697                 short vertex[ 6];
 698                 funpackf(tfile, "Bs Bs Bs Bs Bs Bs", &vertex[ 0], &vertex[ 1], &vertex[ 2], &vertex[ 3], &vertex[ 4], &vertex[ 5]);
 699                 Triangles[i].vertex[ 0] = vertex[ 0];
 700                 Triangles[i].vertex[ 1] = vertex[ 2];
 701                 Triangles[i].vertex[ 2] = vertex[ 4];
 702                 funpackf(tfile, "Bf Bf Bf", &Triangles[i].gx[0], &Triangles[i].gx[1], &Triangles[i].gx[2]);
 703                 funpackf(tfile, "Bf Bf Bf", &Triangles[i].gy[0], &Triangles[i].gy[1], &Triangles[i].gy[2]);
 704         }
 705
 706
 707         fclose(tfile);
 708
 709         for(i=0;i<vertexNum;i++){
 710                 owner[i]=-1;
 711         }
 712
 713         return 1;
 714 }
 715
 716
 717 void Model::UniformTexCoords()
 718 {
 719         static int i;
 720         for(i=0; i<TriangleNum; i++){
 721                 Triangles[i].gy[0]=vertex[Triangles[i].vertex[0]].y;
 722                 Triangles[i].gy[1]=vertex[Triangles[i].vertex[1]].y;
 723                 Triangles[i].gy[2]=vertex[Triangles[i].vertex[2]].y;
 724                 Triangles[i].gx[0]=vertex[Triangles[i].vertex[0]].x;
 725                 Triangles[i].gx[1]=vertex[Triangles[i].vertex[1]].x;
 726                 Triangles[i].gx[2]=vertex[Triangles[i].vertex[2]].x;
 727         }
 728         UpdateVertexArray();
 729 }
 730
 731
 732 void Model::FlipTexCoords()
 733 {
 734         static int i;
 735         for(i=0; i<TriangleNum; i++){
 736                 Triangles[i].gy[0]=-Triangles[i].gy[0];
 737                 Triangles[i].gy[1]=-Triangles[i].gy[1];
 738                 Triangles[i].gy[2]=-Triangles[i].gy[2];
 739         }
 740         UpdateVertexArray();
 741 }
 742
 743 void Model::ScaleTexCoords(float howmuch)
 744 {
 745         static int i;
 746         for(i=0; i<TriangleNum; i++){
 747                 Triangles[i].gx[0]*=howmuch;
 748                 Triangles[i].gx[1]*=howmuch;
 749                 Triangles[i].gx[2]*=howmuch;
 750                 Triangles[i].gy[0]*=howmuch;
 751                 Triangles[i].gy[1]*=howmuch;
 752                 Triangles[i].gy[2]*=howmuch;
 753         }
 754         UpdateVertexArray();
 755 }
 756
 757 void Model::Scale(float xscale,float yscale,float zscale)
 758 {
 759         static int i;
 760         for(i=0; i<vertexNum; i++){
 761                 vertex[i].x*=xscale;
 762                 vertex[i].y*=yscale;
 763                 vertex[i].z*=zscale;
 764         }
 765         UpdateVertexArray();
 766
 767         static int j;
 768
 769         boundingsphereradius=0;
 770         for(i=0;i<vertexNum;i++){
 771                 for(j=0;j<vertexNum;j++){
 772                         if(j!=i&&findDistancefast(&vertex[j],&vertex[i])/2>boundingsphereradius){
 773                                 boundingsphereradius=findDistancefast(&vertex[j],&vertex[i])/2;
 774                                 boundingspherecenter=(vertex[i]+vertex[j])/2;
 775                         }
 776                 }
 777         }
 778         boundingsphereradius=fast_sqrt(boundingsphereradius);
 779 }
 780
 781 void Model::ScaleNormals(float xscale,float yscale,float zscale)
 782 {
 783         if(type!=normaltype&&type!=decalstype)return;
 784         static int i;
 785         for(i=0; i<vertexNum; i++){
 786                 normals[i].x*=xscale;
 787                 normals[i].y*=yscale;
 788                 normals[i].z*=zscale;
 789         }
 790         for(i=0; i<TriangleNum; i++){
 791                 facenormals[i].x*=xscale;
 792                 facenormals[i].y*=yscale;
 793                 facenormals[i].z*=zscale;
 794         }
 795         UpdateVertexArray();
 796 }
 797
 798 void Model::Translate(float xtrans,float ytrans,float ztrans)
 799 {
 800         static int i;
 801         for(i=0; i<vertexNum; i++){
 802                 vertex[i].x+=xtrans;
 803                 vertex[i].y+=ytrans;
 804                 vertex[i].z+=ztrans;
 805         }
 806         UpdateVertexArray();
 807
 808         static int j;
 809         boundingsphereradius=0;
 810         for(i=0;i<vertexNum;i++){
 811                 for(j=0;j<vertexNum;j++){
 812                         if(j!=i&&findDistancefast(&vertex[j],&vertex[i])/2>boundingsphereradius){
 813                                 boundingsphereradius=findDistancefast(&vertex[j],&vertex[i])/2;
 814                                 boundingspherecenter=(vertex[i]+vertex[j])/2;
 815                         }
 816                 }
 817         }
 818         boundingsphereradius=fast_sqrt(boundingsphereradius);
 819 }
 820
 821 void Model::Rotate(float xang,float yang,float zang)
 822 {
 823         static int i;
 824         for(i=0; i<vertexNum; i++){
 825                 vertex[i]=DoRotation(vertex[i],xang,yang,zang);
 826         }
 827         UpdateVertexArray();
 828
 829         static int j;
 830         boundingsphereradius=0;
 831         for(i=0;i<vertexNum;i++){
 832                 for(j=0;j<vertexNum;j++){
 833                         if(j!=i&&findDistancefast(&vertex[j],&vertex[i])/2>boundingsphereradius){
 834                                 boundingsphereradius=findDistancefast(&vertex[j],&vertex[i])/2;
 835                                 boundingspherecenter=(vertex[i]+vertex[j])/2;
 836                         }
 837                 }
 838         }
 839         boundingsphereradius=fast_sqrt(boundingsphereradius);
 840 }
 841
 842
 843 void Model::CalculateNormals(bool facenormalise)
 844 {
 845         if(visibleloading)
 846                 Game::LoadingScreen();
 847         static int i;
 848         if(type!=normaltype&&type!=decalstype)return;
 849
 850         for(i=0; i<vertexNum; i++){
 851                 normals[i].x=0;
 852                 normals[i].y=0;
 853                 normals[i].z=0;
 854         }
 855
 856         for(i=0;i<TriangleNum;i++){
 857                 CrossProduct(vertex[Triangles[i].vertex[1]]-vertex[Triangles[i].vertex[0]],vertex[Triangles[i].vertex[2]]-vertex[Triangles[i].vertex[0]],&facenormals[i]);
 858
 859                 normals[Triangles[i].vertex[0]].x+=facenormals[i].x;
 860                 normals[Triangles[i].vertex[0]].y+=facenormals[i].y;
 861                 normals[Triangles[i].vertex[0]].z+=facenormals[i].z;
 862
 863                 normals[Triangles[i].vertex[1]].x+=facenormals[i].x;
 864                 normals[Triangles[i].vertex[1]].y+=facenormals[i].y;
 865                 normals[Triangles[i].vertex[1]].z+=facenormals[i].z;
 866
 867                 normals[Triangles[i].vertex[2]].x+=facenormals[i].x;
 868                 normals[Triangles[i].vertex[2]].y+=facenormals[i].y;
 869                 normals[Triangles[i].vertex[2]].z+=facenormals[i].z;
 870                 if(facenormalise)Normalise(&facenormals[i]);
 871         }
 872         for(i=0; i<vertexNum; i++){
 873                 Normalise(&normals[i]);
 874                 normals[i]*=-1;
 875         }
 876         UpdateVertexArrayNoTex();
 877 }
 878
 879 void Model::drawimmediate()
 880 {
 881         glBindTexture(GL_TEXTURE_2D,(unsigned long)textureptr);
 882         glBegin(GL_TRIANGLES);
 883         for(int i=0;i<TriangleNum;i++){
 884                 /*if(Triangles[i].vertex[0]<vertexNum&&Triangles[i].vertex[1]<vertexNum&&Triangles[i].vertex[2]<vertexNum&&Triangles[i].vertex[0]>=0&&Triangles[i].vertex[1]>=0&&Triangles[i].vertex[2]>=0){
 885                 if(isnormal(vertex[Triangles[i].vertex[0]].x)&&isnormal(vertex[Triangles[i].vertex[0]].y)&&isnormal(vertex[Triangles[i].vertex[0]].z)
 886                 &&isnormal(vertex[Triangles[i].vertex[1]].x)&&isnormal(vertex[Triangles[i].vertex[1]].y)&&isnormal(vertex[Triangles[i].vertex[1]].z)
 887                 &&isnormal(vertex[Triangles[i].vertex[2]].x)&&isnormal(vertex[Triangles[i].vertex[2]].y)&&isnormal(vertex[Triangles[i].vertex[2]].z)){
 888                 */
 889                 glTexCoord2f(Triangles[i].gx[0],Triangles[i].gy[0]);
 890                 if(color)glColor3f(normals[Triangles[i].vertex[0]].x,normals[Triangles[i].vertex[0]].y,normals[Triangles[i].vertex[0]].z);
 891                 if(!color&&!flat)glNormal3f(normals[Triangles[i].vertex[0]].x,normals[Triangles[i].vertex[0]].y,normals[Triangles[i].vertex[0]].z);
 892                 if(!color&&flat)glNormal3f(facenormals[i].x,facenormals[i].y,facenormals[i].y);
 893                 glVertex3f(vertex[Triangles[i].vertex[0]].x,vertex[Triangles[i].vertex[0]].y,vertex[Triangles[i].vertex[0]].z);
 894
 895                 glTexCoord2f(Triangles[i].gx[1],Triangles[i].gy[1]);
 896                 if(color)glColor3f(normals[Triangles[i].vertex[1]].x,normals[Triangles[i].vertex[1]].y,normals[Triangles[i].vertex[1]].z);
 897                 if(!color&&!flat)glNormal3f(normals[Triangles[i].vertex[1]].x,normals[Triangles[i].vertex[1]].y,normals[Triangles[i].vertex[1]].z);
 898                 if(!color&&flat)glNormal3f(facenormals[i].x,facenormals[i].y,facenormals[i].y);
 899                 glVertex3f(vertex[Triangles[i].vertex[1]].x,vertex[Triangles[i].vertex[1]].y,vertex[Triangles[i].vertex[1]].z);
 900
 901                 glTexCoord2f(Triangles[i].gx[2],Triangles[i].gy[2]);
 902                 if(color)glColor3f(normals[Triangles[i].vertex[2]].x,normals[Triangles[i].vertex[2]].y,normals[Triangles[i].vertex[2]].z);
 903                 if(!color&&!flat)glNormal3f(normals[Triangles[i].vertex[2]].x,normals[Triangles[i].vertex[2]].y,normals[Triangles[i].vertex[2]].z);
 904                 if(!color&&flat)glNormal3f(facenormals[i].x,facenormals[i].y,facenormals[i].y);
 905                 glVertex3f(vertex[Triangles[i].vertex[2]].x,vertex[Triangles[i].vertex[2]].y,vertex[Triangles[i].vertex[2]].z);
 906                 //}
 907                 //}
 908         }
 909         glEnd();
 910 }
 911
 912 void Model::draw()
 913 {
 914         if(type!=normaltype&&type!=decalstype)return;
 915
 916         glEnableClientState(GL_NORMAL_ARRAY);
 917         glEnableClientState(GL_VERTEX_ARRAY);
 918         glEnableClientState(GL_TEXTURE_COORD_ARRAY);
 919
 920         if(!color)glInterleavedArrays( GL_T2F_N3F_V3F,8*sizeof(GLfloat),&vArray[0]);
 921         if(color)glInterleavedArrays( GL_T2F_C3F_V3F,8*sizeof(GLfloat),&vArray[0]);
 922         glBindTexture(GL_TEXTURE_2D,(unsigned long)textureptr);
 923
 924 #if PLATFORM_MACOSX
 925         glLockArraysEXT( 0, TriangleNum*3);
 926 #endif
 927         glDrawArrays(GL_TRIANGLES, 0, TriangleNum*3);
 928 #if PLATFORM_MACOSX
 929         glUnlockArraysEXT();
 930 #endif
 931
 932
 933         if(!color)glDisableClientState(GL_NORMAL_ARRAY);
 934         if(color)glDisableClientState(GL_COLOR_ARRAY);
 935         glDisableClientState(GL_VERTEX_ARRAY);
 936         glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 937         //drawimmediate();
 938 }
 939
 940 void Model::drawdifftex(GLuint texture)
 941 {
 942         glEnableClientState(GL_NORMAL_ARRAY);
 943         glEnableClientState(GL_VERTEX_ARRAY);
 944         glEnableClientState(GL_TEXTURE_COORD_ARRAY);
 945         if(!color)glInterleavedArrays( GL_T2F_N3F_V3F,8*sizeof(GLfloat),&vArray[0]);
 946         if(color)glInterleavedArrays( GL_T2F_C3F_V3F,8*sizeof(GLfloat),&vArray[0]);
 947
 948         glBindTexture(GL_TEXTURE_2D,(unsigned long)texture);
 949         glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
 950         glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
 951
 952
 953 #ifndef WIN32
 954         glLockArraysEXT( 0, TriangleNum*3);
 955 #endif
 956         glDrawArrays(GL_TRIANGLES, 0, TriangleNum*3);
 957 #ifndef WIN32
 958         glUnlockArraysEXT();
 959 #endif
 960
 961
 962         if(!color)glDisableClientState(GL_NORMAL_ARRAY);
 963         if(color)glDisableClientState(GL_COLOR_ARRAY);
 964         glDisableClientState(GL_VERTEX_ARRAY);
 965         glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 966         //drawdiffteximmediate(texture);
 967 }
 968
 969 void Model::drawdiffteximmediate(GLuint texture)
 970 {
 971         glBindTexture(GL_TEXTURE_2D,(unsigned long)texture);
 972
 973         glBegin(GL_TRIANGLES);
 974         for(int i=0;i<TriangleNum;i++){
 975                 /*if(Triangles[i].vertex[0]<vertexNum&&Triangles[i].vertex[1]<vertexNum&&Triangles[i].vertex[2]<vertexNum&&Triangles[i].vertex[0]>=0&&Triangles[i].vertex[1]>=0&&Triangles[i].vertex[2]>=0){
 976                 if(isnormal(vertex[Triangles[i].vertex[0]].x)&&isnormal(vertex[Triangles[i].vertex[0]].y)&&isnormal(vertex[Triangles[i].vertex[0]].z)
 977                 &&isnormal(vertex[Triangles[i].vertex[1]].x)&&isnormal(vertex[Triangles[i].vertex[1]].y)&&isnormal(vertex[Triangles[i].vertex[1]].z)
 978                 &&isnormal(vertex[Triangles[i].vertex[2]].x)&&isnormal(vertex[Triangles[i].vertex[2]].y)&&isnormal(vertex[Triangles[i].vertex[2]].z)){
 979                 */glTexCoord2f(Triangles[i].gx[0],Triangles[i].gy[0]);
 980                 if(color)glColor3f(normals[Triangles[i].vertex[0]].x,normals[Triangles[i].vertex[0]].y,normals[Triangles[i].vertex[0]].z);
 981                 if(!color&&!flat)glNormal3f(normals[Triangles[i].vertex[0]].x,normals[Triangles[i].vertex[0]].y,normals[Triangles[i].vertex[0]].z);
 982                 if(!color&&flat)glNormal3f(facenormals[i].x,facenormals[i].y,facenormals[i].y);
 983                 glVertex3f(vertex[Triangles[i].vertex[0]].x,vertex[Triangles[i].vertex[0]].y,vertex[Triangles[i].vertex[0]].z);
 984
 985                 glTexCoord2f(Triangles[i].gx[1],Triangles[i].gy[1]);
 986                 if(color)glColor3f(normals[Triangles[i].vertex[1]].x,normals[Triangles[i].vertex[1]].y,normals[Triangles[i].vertex[1]].z);
 987                 if(!color&&!flat)glNormal3f(normals[Triangles[i].vertex[1]].x,normals[Triangles[i].vertex[1]].y,normals[Triangles[i].vertex[1]].z);
 988                 if(!color&&flat)glNormal3f(facenormals[i].x,facenormals[i].y,facenormals[i].y);
 989                 glVertex3f(vertex[Triangles[i].vertex[1]].x,vertex[Triangles[i].vertex[1]].y,vertex[Triangles[i].vertex[1]].z);
 990
 991                 glTexCoord2f(Triangles[i].gx[2],Triangles[i].gy[2]);
 992                 if(color)glColor3f(normals[Triangles[i].vertex[2]].x,normals[Triangles[i].vertex[2]].y,normals[Triangles[i].vertex[2]].z);
 993                 if(!color&&!flat)glNormal3f(normals[Triangles[i].vertex[2]].x,normals[Triangles[i].vertex[2]].y,normals[Triangles[i].vertex[2]].z);
 994                 if(!color&&flat)glNormal3f(facenormals[i].x,facenormals[i].y,facenormals[i].y);
 995                 glVertex3f(vertex[Triangles[i].vertex[2]].x,vertex[Triangles[i].vertex[2]].y,vertex[Triangles[i].vertex[2]].z);
 996                 //}
 997                 //}
 998         }
 999         glEnd();
1000 }
1001
1002 void Model::drawdecals(GLuint shadowtexture,GLuint bloodtexture,GLuint bloodtexture2,GLuint breaktexture)
1003 {
1004         if(decals){
1005                 if(type!=decalstype)return;
1006                 static int i,j;
1007                 static float distancemult;
1008                 static int lasttype;
1009                 static float viewdistsquared;
1010                 static bool blend;
1011
1012                 viewdistsquared=viewdistance*viewdistance;
1013                 blend=1;
1014
1015                 lasttype=-1;
1016                 glEnable(GL_BLEND);
1017                 glDisable(GL_LIGHTING);
1018                 glDisable(GL_CULL_FACE);
1019                 glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
1020                 glDepthMask(0);
1021                 if(numdecals>max_model_decals)numdecals=max_model_decals;
1022                 for(i=0;i<numdecals;i++){
1023                         if(decaltype[i]==blooddecalfast&&decalalivetime[i]<2)decalalivetime[i]=2;
1024
1025                         if(decaltype[i]==shadowdecal&&decaltype[i]!=lasttype){
1026                                 glBindTexture( GL_TEXTURE_2D, shadowtexture);
1027                                 if(!blend){
1028                                         blend=1;
1029                                         glAlphaFunc(GL_GREATER, 0.0001);
1030                                         glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
1031                                 }
1032                         }
1033                         if(decaltype[i]==breakdecal&&decaltype[i]!=lasttype){
1034                                 glBindTexture( GL_TEXTURE_2D, breaktexture);
1035                                 if(!blend){
1036                                         blend=1;
1037                                         glAlphaFunc(GL_GREATER, 0.0001);
1038                                         glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
1039                                 }
1040                         }
1041                         if((decaltype[i]==blooddecal||decaltype[i]==blooddecalslow)&&decaltype[i]!=lasttype){
1042                                 glBindTexture( GL_TEXTURE_2D, bloodtexture);
1043                                 if(blend){
1044                                         blend=0;
1045                                         glAlphaFunc(GL_GREATER, 0.15);
1046                                         glBlendFunc(GL_ONE,GL_ZERO);
1047                                 }
1048                         }
1049                         if((decaltype[i]==blooddecalfast)&&decaltype[i]!=lasttype){
1050                                 glBindTexture( GL_TEXTURE_2D, bloodtexture2);
1051                                 if(blend){
1052                                         blend=0;
1053                                         glAlphaFunc(GL_GREATER, 0.15);
1054                                         glBlendFunc(GL_ONE,GL_ZERO);
1055                                 }
1056                         }
1057                         if(decaltype[i]==shadowdecal){
1058                                 glColor4f(1,1,1,decalopacity[i]);
1059                         }
1060                         if(decaltype[i]==breakdecal){
1061                                 glColor4f(1,1,1,decalopacity[i]);
1062                                 if(decalalivetime[i]>58)glColor4f(1,1,1,decalopacity[i]*(60-decalalivetime[i])/2);
1063                         }
1064                         if((decaltype[i]==blooddecal||decaltype[i]==blooddecalfast||decaltype[i]==blooddecalslow)){
1065                                 glColor4f(1,1,1,decalopacity[i]);
1066                                 if(decalalivetime[i]<4)glColor4f(1,1,1,decalopacity[i]*decalalivetime[i]*.25);
1067                                 if(decalalivetime[i]>58)glColor4f(1,1,1,decalopacity[i]*(60-decalalivetime[i])/2);
1068                         }
1069                         lasttype=decaltype[i];
1070                         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
1071                         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
1072
1073                         glMatrixMode(GL_MODELVIEW);                                                     // Select The Modelview Matrix
1074                         glPushMatrix();
1075                                 glBegin(GL_TRIANGLES);
1076                                 for(int j=0;j<3;j++)
1077                                 {
1078                                         glTexCoord2f(decaltexcoords[i][j][0], decaltexcoords[i][j][1]); glVertex3f(decalvertex[i][j].x,decalvertex[i][j].y,decalvertex[i][j].z);
1079                                 }
1080                         glEnd();
1081                         glPopMatrix();
1082                 }
1083                 for(i=numdecals-1;i>=0;i--){
1084                         decalalivetime[i]+=multiplier;
1085                         if(decaltype[i]==blooddecalslow)decalalivetime[i]-=multiplier*2/3;
1086                         if(decaltype[i]==blooddecalfast)decalalivetime[i]+=multiplier*4;
1087                         if(decaltype[i]==shadowdecal)DeleteDecal(i);
1088                         if((decaltype[i]==blooddecal||decaltype[i]==blooddecalfast||decaltype[i]==blooddecalslow)&&decalalivetime[i]>=60)DeleteDecal(i);
1089                 }
1090                 glAlphaFunc(GL_GREATER, 0.0001);
1091                 glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
1092         }
1093 }
1094
1095 void Model::DeleteDecal(int which)
1096 {
1097         if(decals){
1098                 if(type!=decalstype)return;
1099                 decaltype[which]=decaltype[numdecals-1];
1100                 decalposition[which]=decalposition[numdecals-1];
1101                 for(int i=0;i<3;i++){
1102                         decalvertex[which][i]=decalvertex[numdecals-1][i];
1103                         decaltexcoords[which][i][0]=decaltexcoords[numdecals-1][i][0];
1104                         decaltexcoords[which][i][1]=decaltexcoords[numdecals-1][i][1];
1105                 }
1106                 decalrotation[which]=decalrotation[numdecals-1];
1107                 decalalivetime[which]=decalalivetime[numdecals-1];
1108                 decalopacity[which]=decalopacity[numdecals-1];
1109                 numdecals--;
1110         }
1111 }
1112
1113 void Model::MakeDecal(int atype, XYZ *where,float *size, float *opacity, float *rotation){
1114         if(decals){
1115                 if(type!=decalstype)return;
1116
1117                 static float placex,placez;
1118                 static XYZ rot;
1119                 //static XYZ point,point1,point2;
1120                 static float distance;
1121                 static int i,j;
1122
1123                 if(*opacity>0)
1124                         if(findDistancefast(where,&boundingspherecenter)<(boundingsphereradius+*size)*(boundingsphereradius+*size))
1125                                 for(i=0;i<TriangleNum;i++){
1126                                         if(facenormals[i].y<-.1&&(vertex[Triangles[i].vertex[0]].y<where->y||vertex[Triangles[i].vertex[1]].y<where->y||vertex[Triangles[i].vertex[2]].y<where->y)){
1127                                                 decalposition[numdecals]=*where;
1128                                                 decaltype[numdecals]=atype;
1129                                                 decalrotation[numdecals]=*rotation;
1130                                                 decalalivetime[numdecals]=0;
1131                                                 distance=abs(((facenormals[i].x*where->x)+(facenormals[i].y*where->y)+(facenormals[i].z*where->z)-((facenormals[i].x*vertex[Triangles[i].vertex[0]].x)+(facenormals[i].y*vertex[Triangles[i].vertex[0]].y)+(facenormals[i].z*vertex[Triangles[i].vertex[0]].z)))/facenormals[i].y);
1132                                                 decalopacity[numdecals]=*opacity-distance/10;
1133
1134                                                 if(decalopacity[numdecals>0]){
1135                                                         placex=vertex[Triangles[i].vertex[0]].x;
1136                                                         placez=vertex[Triangles[i].vertex[0]].z;
1137
1138                                                         decaltexcoords[numdecals][0][0]=(placex-where->x)/(*size)/2+.5;
1139                                                         decaltexcoords[numdecals][0][1]=(placez-where->z)/(*size)/2+.5;
1140
1141                                                         decalvertex[numdecals][0].x=placex;
1142                                                         decalvertex[numdecals][0].z=placez;
1143                                                         decalvertex[numdecals][0].y=vertex[Triangles[i].vertex[0]].y;
1144
1145
1146                                                         placex=vertex[Triangles[i].vertex[1]].x;
1147                                                         placez=vertex[Triangles[i].vertex[1]].z;
1148
1149                                                         decaltexcoords[numdecals][1][0]=(placex-where->x)/(*size)/2+.5;
1150                                                         decaltexcoords[numdecals][1][1]=(placez-where->z)/(*size)/2+.5;
1151
1152                                                         decalvertex[numdecals][1].x=placex;
1153                                                         decalvertex[numdecals][1].z=placez;
1154                                                         decalvertex[numdecals][1].y=vertex[Triangles[i].vertex[1]].y;
1155
1156
1157                                                         placex=vertex[Triangles[i].vertex[2]].x;
1158                                                         placez=vertex[Triangles[i].vertex[2]].z;
1159
1160                                                         decaltexcoords[numdecals][2][0]=(placex-where->x)/(*size)/2+.5;
1161                                                         decaltexcoords[numdecals][2][1]=(placez-where->z)/(*size)/2+.5;
1162
1163                                                         decalvertex[numdecals][2].x=placex;
1164                                                         decalvertex[numdecals][2].z=placez;
1165                                                         decalvertex[numdecals][2].y=vertex[Triangles[i].vertex[2]].y;
1166
1167                                                         if(!(decaltexcoords[numdecals][0][0]<0&&decaltexcoords[numdecals][1][0]<0&&decaltexcoords[numdecals][2][0]<0))
1168                                                                 if(!(decaltexcoords[numdecals][0][1]<0&&decaltexcoords[numdecals][1][1]<0&&decaltexcoords[numdecals][2][1]<0))
1169                                                                         if(!(decaltexcoords[numdecals][0][0]>1&&decaltexcoords[numdecals][1][0]>1&&decaltexcoords[numdecals][2][0]>1))
1170                                                                                 if(!(decaltexcoords[numdecals][0][1]>1&&decaltexcoords[numdecals][1][1]>1&&decaltexcoords[numdecals][2][1]>1))
1171                                                                                 {
1172                                                                                         if(decalrotation[numdecals]){
1173                                                                                                 for(j=0;j<3;j++){
1174                                                                                                         rot.y=0;
1175                                                                                                         rot.x=decaltexcoords[numdecals][j][0]-.5;
1176                                                                                                         rot.z=decaltexcoords[numdecals][j][1]-.5;
1177                                                                                                         rot=DoRotation(rot,0,-decalrotation[numdecals],0);
1178                                                                                                         decaltexcoords[numdecals][j][0]=rot.x+.5;
1179                                                                                                         decaltexcoords[numdecals][j][1]=rot.z+.5;
1180                                                                                                 }
1181                                                                                         }
1182                                                                                         if(numdecals<max_model_decals-1)numdecals++;
1183                                                                                 }
1184                                                 }
1185                                         }
1186                                 }
1187         }
1188 }
1189
1190 void Model::MakeDecal(int atype, XYZ where,float size, float opacity, float rotation){
1191         if(decals){
1192                 if(type!=decalstype)return;
1193
1194                 static float placex,placez;
1195                 static XYZ rot;
1196                 //static XYZ point,point1,point2;
1197                 static float distance;
1198                 static int i,j;
1199
1200                 if(opacity>0)
1201                         if(findDistancefast(&where,&boundingspherecenter)<(boundingsphereradius+size)*(boundingsphereradius+size))
1202                                 for(i=0;i<TriangleNum;i++){
1203                                         distance=abs(((facenormals[i].x*where.x)+(facenormals[i].y*where.y)+(facenormals[i].z*where.z)-((facenormals[i].x*vertex[Triangles[i].vertex[0]].x)+(facenormals[i].y*vertex[Triangles[i].vertex[0]].y)+(facenormals[i].z*vertex[Triangles[i].vertex[0]].z))));
1204                                         if(distance<.02&&abs(facenormals[i].y)>abs(facenormals[i].x)&&abs(facenormals[i].y)>abs(facenormals[i].z)){
1205                                                 decalposition[numdecals]=where;
1206                                                 decaltype[numdecals]=atype;
1207                                                 decalrotation[numdecals]=rotation;
1208                                                 decalalivetime[numdecals]=0;
1209                                                 decalopacity[numdecals]=opacity-distance/10;
1210
1211                                                 if(decalopacity[numdecals>0]){
1212                                                         placex=vertex[Triangles[i].vertex[0]].x;
1213                                                         placez=vertex[Triangles[i].vertex[0]].z;
1214
1215                                                         decaltexcoords[numdecals][0][0]=(placex-where.x)/(size)/2+.5;
1216                                                         decaltexcoords[numdecals][0][1]=(placez-where.z)/(size)/2+.5;
1217
1218                                                         decalvertex[numdecals][0].x=placex;
1219                                                         decalvertex[numdecals][0].z=placez;
1220                                                         decalvertex[numdecals][0].y=vertex[Triangles[i].vertex[0]].y;
1221
1222
1223                                                         placex=vertex[Triangles[i].vertex[1]].x;
1224                                                         placez=vertex[Triangles[i].vertex[1]].z;
1225
1226                                                         decaltexcoords[numdecals][1][0]=(placex-where.x)/(size)/2+.5;
1227                                                         decaltexcoords[numdecals][1][1]=(placez-where.z)/(size)/2+.5;
1228
1229                                                         decalvertex[numdecals][1].x=placex;
1230                                                         decalvertex[numdecals][1].z=placez;
1231                                                         decalvertex[numdecals][1].y=vertex[Triangles[i].vertex[1]].y;
1232
1233
1234                                                         placex=vertex[Triangles[i].vertex[2]].x;
1235                                                         placez=vertex[Triangles[i].vertex[2]].z;
1236
1237                                                         decaltexcoords[numdecals][2][0]=(placex-where.x)/(size)/2+.5;
1238                                                         decaltexcoords[numdecals][2][1]=(placez-where.z)/(size)/2+.5;
1239
1240                                                         decalvertex[numdecals][2].x=placex;
1241                                                         decalvertex[numdecals][2].z=placez;
1242                                                         decalvertex[numdecals][2].y=vertex[Triangles[i].vertex[2]].y;
1243
1244                                                         if(!(decaltexcoords[numdecals][0][0]<0&&decaltexcoords[numdecals][1][0]<0&&decaltexcoords[numdecals][2][0]<0))
1245                                                                 if(!(decaltexcoords[numdecals][0][1]<0&&decaltexcoords[numdecals][1][1]<0&&decaltexcoords[numdecals][2][1]<0))
1246                                                                         if(!(decaltexcoords[numdecals][0][0]>1&&decaltexcoords[numdecals][1][0]>1&&decaltexcoords[numdecals][2][0]>1))
1247                                                                                 if(!(decaltexcoords[numdecals][0][1]>1&&decaltexcoords[numdecals][1][1]>1&&decaltexcoords[numdecals][2][1]>1))
1248                                                                                 {
1249                                                                                         if(decalrotation[numdecals]){
1250                                                                                                 for(j=0;j<3;j++){
1251                                                                                                         rot.y=0;
1252                                                                                                         rot.x=decaltexcoords[numdecals][j][0]-.5;
1253                                                                                                         rot.z=decaltexcoords[numdecals][j][1]-.5;
1254                                                                                                         rot=DoRotation(rot,0,-decalrotation[numdecals],0);
1255                                                                                                         decaltexcoords[numdecals][j][0]=rot.x+.5;
1256                                                                                                         decaltexcoords[numdecals][j][1]=rot.z+.5;
1257                                                                                                 }
1258                                                                                         }
1259                                                                                         if(numdecals<max_model_decals-1)numdecals++;
1260                                                                                 }
1261                                                 }
1262                                         }
1263                                         else if(distance<.02&&abs(facenormals[i].x)>abs(facenormals[i].y)&&abs(facenormals[i].x)>abs(facenormals[i].z)){
1264                                                 decalposition[numdecals]=where;
1265                                                 decaltype[numdecals]=atype;
1266                                                 decalrotation[numdecals]=rotation;
1267                                                 decalalivetime[numdecals]=0;
1268                                                 decalopacity[numdecals]=opacity-distance/10;
1269
1270                                                 if(decalopacity[numdecals>0]){
1271                                                         placex=vertex[Triangles[i].vertex[0]].y;
1272                                                         placez=vertex[Triangles[i].vertex[0]].z;
1273
1274                                                         decaltexcoords[numdecals][0][0]=(placex-where.y)/(size)/2+.5;
1275                                                         decaltexcoords[numdecals][0][1]=(placez-where.z)/(size)/2+.5;
1276
1277                                                         decalvertex[numdecals][0].x=vertex[Triangles[i].vertex[0]].x;
1278                                                         decalvertex[numdecals][0].z=placez;
1279                                                         decalvertex[numdecals][0].y=placex;
1280
1281
1282                                                         placex=vertex[Triangles[i].vertex[1]].y;
1283                                                         placez=vertex[Triangles[i].vertex[1]].z;
1284
1285                                                         decaltexcoords[numdecals][1][0]=(placex-where.y)/(size)/2+.5;
1286                                                         decaltexcoords[numdecals][1][1]=(placez-where.z)/(size)/2+.5;
1287
1288                                                         decalvertex[numdecals][1].x=vertex[Triangles[i].vertex[1]].x;
1289                                                         decalvertex[numdecals][1].z=placez;
1290                                                         decalvertex[numdecals][1].y=placex;
1291
1292
1293                                                         placex=vertex[Triangles[i].vertex[2]].y;
1294                                                         placez=vertex[Triangles[i].vertex[2]].z;
1295
1296                                                         decaltexcoords[numdecals][2][0]=(placex-where.y)/(size)/2+.5;
1297                                                         decaltexcoords[numdecals][2][1]=(placez-where.z)/(size)/2+.5;
1298
1299                                                         decalvertex[numdecals][2].x=vertex[Triangles[i].vertex[2]].x;
1300                                                         decalvertex[numdecals][2].z=placez;
1301                                                         decalvertex[numdecals][2].y=placex;
1302
1303                                                         if(!(decaltexcoords[numdecals][0][0]<0&&decaltexcoords[numdecals][1][0]<0&&decaltexcoords[numdecals][2][0]<0))
1304                                                                 if(!(decaltexcoords[numdecals][0][1]<0&&decaltexcoords[numdecals][1][1]<0&&decaltexcoords[numdecals][2][1]<0))
1305                                                                         if(!(decaltexcoords[numdecals][0][0]>1&&decaltexcoords[numdecals][1][0]>1&&decaltexcoords[numdecals][2][0]>1))
1306                                                                                 if(!(decaltexcoords[numdecals][0][1]>1&&decaltexcoords[numdecals][1][1]>1&&decaltexcoords[numdecals][2][1]>1))
1307                                                                                 {
1308                                                                                         if(decalrotation[numdecals]){
1309                                                                                                 for(j=0;j<3;j++){
1310                                                                                                         rot.y=0;
1311                                                                                                         rot.x=decaltexcoords[numdecals][j][0]-.5;
1312                                                                                                         rot.z=decaltexcoords[numdecals][j][1]-.5;
1313                                                                                                         rot=DoRotation(rot,0,-decalrotation[numdecals],0);
1314                                                                                                         decaltexcoords[numdecals][j][0]=rot.x+.5;
1315                                                                                                         decaltexcoords[numdecals][j][1]=rot.z+.5;
1316                                                                                                 }
1317                                                                                         }
1318                                                                                         if(numdecals<max_model_decals-1)numdecals++;
1319                                                                                 }
1320                                                 }
1321                                         }
1322                                         else if(distance<.02&&abs(facenormals[i].z)>abs(facenormals[i].y)&&abs(facenormals[i].z)>abs(facenormals[i].x)){
1323                                                 decalposition[numdecals]=where;
1324                                                 decaltype[numdecals]=atype;
1325                                                 decalrotation[numdecals]=rotation;
1326                                                 decalalivetime[numdecals]=0;
1327                                                 decalopacity[numdecals]=opacity-distance/10;
1328
1329                                                 if(decalopacity[numdecals>0]){
1330                                                         placex=vertex[Triangles[i].vertex[0]].x;
1331                                                         placez=vertex[Triangles[i].vertex[0]].y;
1332
1333                                                         decaltexcoords[numdecals][0][0]=(placex-where.x)/(size)/2+.5;
1334                                                         decaltexcoords[numdecals][0][1]=(placez-where.y)/(size)/2+.5;
1335
1336                                                         decalvertex[numdecals][0].x=placex;
1337                                                         decalvertex[numdecals][0].z=vertex[Triangles[i].vertex[0]].z;
1338                                                         decalvertex[numdecals][0].y=placez;
1339
1340
1341                                                         placex=vertex[Triangles[i].vertex[1]].x;
1342                                                         placez=vertex[Triangles[i].vertex[1]].y;
1343
1344                                                         decaltexcoords[numdecals][1][0]=(placex-where.x)/(size)/2+.5;
1345                                                         decaltexcoords[numdecals][1][1]=(placez-where.y)/(size)/2+.5;
1346
1347                                                         decalvertex[numdecals][1].x=placex;
1348                                                         decalvertex[numdecals][1].z=vertex[Triangles[i].vertex[1]].z;
1349                                                         decalvertex[numdecals][1].y=placez;
1350
1351
1352                                                         placex=vertex[Triangles[i].vertex[2]].x;
1353                                                         placez=vertex[Triangles[i].vertex[2]].y;
1354
1355                                                         decaltexcoords[numdecals][2][0]=(placex-where.x)/(size)/2+.5;
1356                                                         decaltexcoords[numdecals][2][1]=(placez-where.y)/(size)/2+.5;
1357
1358                                                         decalvertex[numdecals][2].x=placex;
1359                                                         decalvertex[numdecals][2].z=vertex[Triangles[i].vertex[2]].z;
1360                                                         decalvertex[numdecals][2].y=placez;
1361
1362                                                         if(!(decaltexcoords[numdecals][0][0]<0&&decaltexcoords[numdecals][1][0]<0&&decaltexcoords[numdecals][2][0]<0))
1363                                                                 if(!(decaltexcoords[numdecals][0][1]<0&&decaltexcoords[numdecals][1][1]<0&&decaltexcoords[numdecals][2][1]<0))
1364                                                                         if(!(decaltexcoords[numdecals][0][0]>1&&decaltexcoords[numdecals][1][0]>1&&decaltexcoords[numdecals][2][0]>1))
1365                                                                                 if(!(decaltexcoords[numdecals][0][1]>1&&decaltexcoords[numdecals][1][1]>1&&decaltexcoords[numdecals][2][1]>1))
1366                                                                                 {
1367                                                                                         if(decalrotation[numdecals]){
1368                                                                                                 for(j=0;j<3;j++){
1369                                                                                                         rot.y=0;
1370                                                                                                         rot.x=decaltexcoords[numdecals][j][0]-.5;
1371                                                                                                         rot.z=decaltexcoords[numdecals][j][1]-.5;
1372                                                                                                         rot=DoRotation(rot,0,-decalrotation[numdecals],0);
1373                                                                                                         decaltexcoords[numdecals][j][0]=rot.x+.5;
1374                                                                                                         decaltexcoords[numdecals][j][1]=rot.z+.5;
1375                                                                                                 }
1376                                                                                         }
1377                                                                                         if(numdecals<max_model_decals-1)numdecals++;
1378                                                                                 }
1379                                                 }
1380                                         }
1381                                 }
1382         }
1383 }
1384
1385 Model::~Model()
1386 {
1387         deallocate();
1388
1389         if(textureptr) glDeleteTextures( 1, &textureptr );
1390 }
1391
1392 void Model::deallocate()
1393 {
1394         int i = 0, j = 0;
1395
1396         if(owner)free(owner);
1397         owner = 0;
1398
1399         if(possible)free(possible);
1400         possible = 0;
1401
1402         if(vertex)free(vertex);
1403         vertex = 0;
1404
1405         if(normals)free(normals);
1406         normals = 0;
1407
1408         if(facenormals)free(facenormals);
1409         facenormals = 0;
1410
1411         if(Triangles)free(Triangles);
1412         Triangles = 0;
1413
1414         if(vArray)free(vArray);
1415         vArray = 0;
1416
1417
1418         //allow decals
1419         if(decaltexcoords)
1420         {
1421                 for(i=0;i<max_model_decals;i++)
1422                 {
1423                         for(j=0;j<3;j++)
1424                         {
1425                                 free(decaltexcoords[i][j]);
1426                         }
1427                         free(decaltexcoords[i]);
1428                 }
1429                 free(decaltexcoords);
1430         }
1431         decaltexcoords = 0;
1432
1433
1434         if (decalvertex)
1435         {
1436                 for(i=0;i<max_model_decals;i++)
1437                 {
1438                         free(decalvertex[i]);
1439                 }
1440                 free(decalvertex);
1441         }
1442         decalvertex = 0;
1443
1444
1445         free(decaltype);
1446         decaltype = 0;
1447
1448         free(decalopacity);
1449         decalopacity = 0;
1450
1451         free(decalrotation);
1452         decalrotation = 0;
1453
1454         free(decalalivetime);
1455         decalalivetime = 0;
1456
1457         free(decalposition);
1458         decalposition = 0;
1459
1460 };
1461
1462 Model::Model()
1463 {
1464         vertexNum = 0,TriangleNum = 0;
1465         hastexture = 0;
1466
1467         type = 0,oldtype = 0;
1468
1469         possible=0;
1470         owner=0;
1471         vertex=0;
1472         normals=0;
1473         facenormals=0;
1474         Triangles=0;
1475         vArray=0;
1476
1477         textureptr = 0;
1478         memset(&Texture, 0, sizeof(Texture));
1479         numpossible = 0;
1480         color = 0;
1481
1482         boundingspherecenter = 0;
1483         boundingsphereradius = 0;
1484
1485         decaltexcoords=0;
1486         decalvertex=0;
1487         decaltype=0;
1488         decalopacity=0;
1489         decalrotation=0;
1490         decalalivetime=0;
1491         decalposition=0;
1492
1493         numdecals = 0;
1494
1495         flat = 0;
1496
1497         type=nothing;
1498 }
1499