API Documentation
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1 /* 2 GLGE WebGL Graphics Engine 3 Copyright (c) 2010, Paul Brunt 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions are met: 8 * Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 * Redistributions in binary form must reproduce the above copyright 11 notice, this list of conditions and the following disclaimer in the 12 documentation and/or other materials provided with the distribution. 13 * Neither the name of GLGE nor the 14 names of its contributors may be used to endorse or promote products 15 derived from this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 18 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 DISCLAIMED. IN NO EVENT SHALL PAUL BRUNT BE LIABLE FOR ANY 21 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 26 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /** 30 * @fileOverview 31 * @name glge_material.js 32 * @author me@paulbrunt.co.uk 33 */ 34 35 36 (function(GLGE){ 37 38 39 40 41 var materialIdx=0; 42 43 /** 44 * @class The Material class creates materials to be applied to objects in the graphics engine 45 * @see GLGE.Object 46 * @augments GLGE.Animatable 47 * @augments GLGE.QuickNotation 48 * @augments GLGE.JSONLoader 49 * @augments GLGE.Events 50 */ 51 GLGE.Material=function(uid){ 52 this.layers=[]; 53 this.layerlisteners=[]; 54 this.textures=[]; 55 this.lights=[]; 56 this.color={r:1,g:1,b:1,a:1}; 57 this.specColor={r:1,g:1,b:1}; 58 this.reflect=0.8; 59 this.shine=10; 60 this.specular=1; 61 this.emit={r:0,g:0,b:0}; 62 this.alpha=1; 63 this.materialIdx=materialIdx++; 64 GLGE.Assets.registerAsset(this,uid); 65 }; 66 GLGE.augment(GLGE.Animatable,GLGE.Material); 67 GLGE.augment(GLGE.QuickNotation,GLGE.Material); 68 GLGE.augment(GLGE.JSONLoader,GLGE.Material); 69 GLGE.augment(GLGE.Events,GLGE.Material); 70 71 72 /** 73 * @name GLGE.Material#shaderupdate 74 * @event fires when the shader for this material needs updating 75 * @param {object} data 76 */ 77 78 /** 79 * @name GLGE.Material#downloadComplete 80 * @event fires when all the assets for this material have finished loading 81 * @param {object} data 82 */ 83 84 /** 85 * @constant 86 * @description Flag for material colour 87 */ 88 GLGE.M_COLOR=1; 89 /** 90 * @constant 91 * @description Flag for material normal 92 */ 93 GLGE.M_NOR=2; 94 /** 95 * @constant 96 * @description Flag for material alpha 97 */ 98 GLGE.M_ALPHA=4; 99 /** 100 * @constant 101 * @description Flag for material specular color 102 */ 103 GLGE.M_SPECCOLOR=8; 104 /** 105 * @constant 106 * @description Flag for material specular cvalue 107 */ 108 GLGE.M_SPECULAR=16; 109 /** 110 * @constant 111 * @description Flag for material shineiness 112 */ 113 GLGE.M_SHINE=32; 114 /** 115 * @constant 116 * @description Flag for material reflectivity 117 */ 118 GLGE.M_REFLECT=64; 119 /** 120 * @constant 121 * @description Flag for material emision 122 */ 123 GLGE.M_EMIT=128; 124 /** 125 * @constant 126 * @description Flag for material alpha 127 */ 128 GLGE.M_ALPHA=256; 129 /** 130 * @constant 131 * @description Flag for masking with textures red value 132 */ 133 GLGE.M_MSKR=512; 134 /** 135 * @constant 136 * @description Flag for masking with textures green value 137 */ 138 GLGE.M_MSKG=1024; 139 /** 140 * @constant 141 * @description Flag for masking with textures blue value 142 */ 143 GLGE.M_MSKB=2048; 144 /** 145 * @constant 146 * @description Flag for masking with textures alpha value 147 */ 148 GLGE.M_MSKA=4096; 149 /** 150 * @constant 151 * @description Flag for mapping of the height in parallax mapping 152 */ 153 GLGE.M_HEIGHT=8192; 154 155 156 /** 157 * @constant 158 * @description Flag for ambient mapping 159 */ 160 GLGE.M_AMBIENT=16384; 161 162 /** 163 * @constant 164 * @description Flag for Steep parallax mapng 165 */ 166 GLGE.M_STEEP=32768; 167 168 /** 169 * @constant 170 * @description Enumeration for first UV layer 171 */ 172 GLGE.UV1=0; 173 /** 174 * @constant 175 * @description Enumeration for second UV layer 176 */ 177 GLGE.UV2=1; 178 /** 179 * @constant 180 * @description Enumeration for normal texture coords 181 */ 182 GLGE.MAP_NORM=3; 183 184 /** 185 * @constant 186 * @description Enumeration for object texture coords 187 */ 188 GLGE.MAP_OBJ=4; 189 190 /** 191 * @constant 192 * @description Enumeration for reflection coords 193 */ 194 GLGE.MAP_REF=5; 195 196 /** 197 * @constant 198 * @description Enumeration for environment coords 199 */ 200 GLGE.MAP_ENV=6; 201 202 /** 203 * @constant 204 * @description Enumeration for view coords 205 */ 206 GLGE.MAP_VIEW=7; 207 208 /** 209 * @constant 210 * @description Enumeration for point coords 211 */ 212 GLGE.MAP_POINT=8; 213 214 215 /** 216 * @constant 217 * @description Enumeration for mix blending mode 218 */ 219 GLGE.BL_MIX=0; 220 221 /** 222 * @constant 223 * @description Enumeration for mix blending mode 224 */ 225 GLGE.BL_MUL=1; 226 227 228 /** 229 * @constant 230 * @description Enumeration for no use of vertex color 231 */ 232 GLGE.VC_NONE=0; 233 234 /** 235 * @constant 236 * @description Enumeration for base vertex color mode 237 */ 238 GLGE.VC_BASE=1; 239 240 /** 241 * @constant 242 * @description Enumeration for muliply vertex color mode 243 */ 244 GLGE.VC_MUL=2; 245 246 /** 247 * @constant 248 * @description Enumeration for vertex color sets ambient lighting 249 */ 250 GLGE.VC_AMB=3; 251 252 /** 253 * @constant 254 * @description Enumeration for vertex color multiplied by ambient lighting 255 */ 256 GLGE.VC_AMBMUL=4; 257 258 259 260 GLGE.Material.prototype.layers=null; 261 GLGE.Material.prototype.className="Material"; 262 GLGE.Material.prototype.textures=null; 263 GLGE.Material.prototype.color=null; 264 GLGE.Material.prototype.specColor=null; 265 GLGE.Material.prototype.specular=null; 266 GLGE.Material.prototype.emit={r:0,g:0,b:0}; 267 GLGE.Material.prototype.shine=null; 268 GLGE.Material.prototype.reflect=null; 269 GLGE.Material.prototype.lights=null; 270 GLGE.Material.prototype.alpha=null; 271 GLGE.Material.prototype.ambient={r:0,g:0,b:0}; 272 GLGE.Material.prototype.shadow=true; 273 GLGE.Material.prototype.shadeless=false; 274 GLGE.Material.prototype.downloadComplete=false; 275 GLGE.Material.prototype.vertexColorMode=GLGE.VC_BASE; 276 277 278 /** 279 * Sets the vertex color mode. Default is to override the base color VC_MUL will multiply the vertex color with the resulting color 280 * @param {boolean} value The vertex color mode 281 */ 282 GLGE.Material.prototype.setVertexColorMode=function(value){ 283 this.vertexColorMode=value; 284 this.fireEvent("shaderupdate",{}); 285 return this; 286 }; 287 /** 288 * Gets the vertex color mode 289 * @returns {boolean} The vertex color mode 290 */ 291 GLGE.Material.prototype.getVertexColorMode=function(value){ 292 return this.vertexColorMode; 293 }; 294 295 /** 296 * Sets the fall back material the material will be used if this one fails to produce a program 297 * @param {boolean} value The fallback material 298 */ 299 GLGE.Material.prototype.setFallback=function(value){ 300 this.fallback=value; 301 return this; 302 }; 303 /** 304 * Gets the fallback material, if program fails then the fallback will be used 305 * @returns {boolean} The fallback material 306 */ 307 GLGE.Material.prototype.getFallback=function(value){ 308 return this.fallback; 309 }; 310 311 /** 312 * Sets the flag indicateing if the material is shadeless 313 * @param {boolean} value The shadeless flag 314 */ 315 GLGE.Material.prototype.setShadeless=function(value){ 316 this.shadeless=value; 317 return this; 318 }; 319 /** 320 * Gets the shadeless flag 321 * @returns {boolean} The shadeless flag 322 */ 323 GLGE.Material.prototype.getShadeless=function(value){ 324 return this.shadeless; 325 }; 326 /** 327 * Sets the flag indicateing the material should or shouldn't recieve shadows 328 * @param {boolean} value The recieving shadow flag 329 */ 330 GLGE.Material.prototype.setShadow=function(value){ 331 this.shadow=value; 332 return this; 333 }; 334 /** 335 * gets the show flag 336 * @returns {boolean} The shadow flag 337 */ 338 GLGE.Material.prototype.getShadow=function(value){ 339 return this.shadow; 340 }; 341 /** 342 * Sets the base colour of the material 343 * @param {string} color The colour of the material 344 */ 345 GLGE.Material.prototype.setColor=function(color){ 346 if(!color.r){ 347 color=GLGE.colorParse(color); 348 } 349 this.color={r:color.r,g:color.g,b:color.b}; 350 //this.fireEvent("shaderupdate",{}); 351 return this; 352 }; 353 /** 354 * Sets the red base colour of the material 355 * @param {Number} r The new red level 0-1 356 */ 357 GLGE.Material.prototype.setColorR=function(value){ 358 this.color={r:value,g:this.color.g,b:this.color.b,a:this.color.a}; 359 return this; 360 }; 361 /** 362 * Sets the green base colour of the material 363 * @param {Number} g The new green level 0-1 364 */ 365 GLGE.Material.prototype.setColorG=function(value){ 366 this.color={r:this.color.r,g:value,b:this.color.b,a:this.color.a}; 367 return this; 368 }; 369 /** 370 * Sets the blue base colour of the material 371 * @param {Number} b The new blue level 0-1 372 */ 373 GLGE.Material.prototype.setColorB=function(value){ 374 this.color={r:this.color.r,g:this.color.g,b:value,a:this.color.a}; 375 return this; 376 }; 377 /** 378 * Gets the red base colour of the material 379 * @returns The red level 0-1 380 */ 381 GLGE.Material.prototype.getColorR=function(value){ 382 return this.color.r; 383 }; 384 /** 385 * Gets the green base colour of the material 386 * @returns The green level 0-1 387 */ 388 GLGE.Material.prototype.getColorG=function(value){ 389 return this.color.g; 390 }; 391 /** 392 * Gets the blue base colour of the material 393 * @returns The blue level 0-1 394 */ 395 GLGE.Material.prototype.getColorB=function(value){ 396 return this.color.b; 397 }; 398 /** 399 * Gets the current base color of the material 400 * @return {[r,g,b]} The current base color 401 */ 402 GLGE.Material.prototype.getColor=function(){ 403 return this.color; 404 }; 405 /** 406 * Sets the base specular colour of the material 407 * @param {string} color The new specular colour 408 */ 409 GLGE.Material.prototype.setSpecularColor=function(color){ 410 if(!color.r){ 411 color=GLGE.colorParse(color); 412 } 413 this.specColor={r:parseFloat(color.r),g:parseFloat(color.g),b:parseFloat(color.b)}; 414 this.fireEvent("shaderupdate",{}); 415 return this; 416 }; 417 /** 418 * Gets the ambient lighting of the material 419 * @return {[r,g,b]} The current ambient lighting 420 */ 421 GLGE.Material.prototype.getAmbient=function(){ 422 return this.ambient; 423 }; 424 425 426 /** 427 * Sets the ambient lighting of the material 428 * @param {string} color The new specular colour 429 */ 430 GLGE.Material.prototype.setAmbient=function(color){ 431 if(!color.r){ 432 color=GLGE.colorParse(color); 433 } 434 this.ambient={r:parseFloat(color.r),g:parseFloat(color.g),b:parseFloat(color.b)}; 435 this.fireEvent("shaderupdate",{}); 436 437 return this; 438 }; 439 /** 440 * Gets the current base specular color of the material 441 * @return {[r,g,b]} The current base specular color 442 */ 443 GLGE.Material.prototype.getSpecularColor=function(){ 444 return this.specColor; 445 }; 446 447 448 /** 449 * Sets the alpha of the material 450 * @param {Number} value how much alpha 451 */ 452 GLGE.Material.prototype.setAlpha=function(value){ 453 this.alpha=value; 454 return this; 455 }; 456 /** 457 * Gets the alpha of the material 458 * @return {Number} The current alpha of the material 459 */ 460 GLGE.Material.prototype.getAlpha=function(){ 461 return this.alpha; 462 }; 463 /** 464 * Sets the specular of the material 465 * @param {Number} value how much specular 466 */ 467 GLGE.Material.prototype.setSpecular=function(value){ 468 this.specular=value; 469 this.fireEvent("shaderupdate",{}); 470 return this; 471 }; 472 /** 473 * Gets the specular of the material 474 * @return {Number} The current specular of the material 475 */ 476 GLGE.Material.prototype.getSpecular=function(){ 477 return this.specular; 478 }; 479 /** 480 * Sets the shininess of the material 481 * @param {Number} value how much shine 482 */ 483 GLGE.Material.prototype.setShininess=function(value){ 484 if (value<=0) value=0.001; 485 this.shine=value; 486 this.fireEvent("shaderupdate",{}); 487 return this; 488 }; 489 /** 490 * Gets the shininess of the material 491 * @return {Number} The current shininess of the material 492 */ 493 GLGE.Material.prototype.getShininess=function(){ 494 return this.shine; 495 }; 496 /** 497 * Sets how much the material should emit 498 * @param {Number} color what color to emit 499 */ 500 GLGE.Material.prototype.setEmit=function(color){ 501 if(color>0) color={r:color,g:color,b:color}; 502 if(!color.r){ 503 color=GLGE.colorParse(color); 504 } 505 this.emit={r:parseFloat(color.r),g:parseFloat(color.g),b:parseFloat(color.b)}; 506 this.fireEvent("shaderupdate",{}); 507 return this; 508 }; 509 /** 510 * Sets how much the Red material should emit 511 * @param {Number} value what Red to emit 512 */ 513 GLGE.Material.prototype.setEmitR=function(value){ 514 this.emit.r=parseFloat(value); 515 return this; 516 }; 517 /** 518 * Sets how much the green material should emit 519 * @param {Number} value what green to emit 520 */ 521 GLGE.Material.prototype.setEmitG=function(value){ 522 this.emit.g=parseFloat(value); 523 return this; 524 }; 525 /** 526 * Sets how much the blue material should emit 527 * @param {Number} value what blue to emit 528 */ 529 GLGE.Material.prototype.setEmitB=function(value){ 530 this.emit.b=parseFloat(value); 531 return this; 532 }; 533 /** 534 * Sets how much the Red material should emit 535 * @returns Red to emit 536 */ 537 GLGE.Material.prototype.getEmitR=function(value){ 538 return this.emit.r; 539 }; 540 /** 541 * Sets how much the green material should emit 542 * @returns green to emit 543 */ 544 GLGE.Material.prototype.getEmitG=function(value){ 545 return this.emit.g; 546 }; 547 /** 548 * Sets how much the blue material should emit 549 * @returns blue to emit 550 */ 551 GLGE.Material.prototype.getEmitB=function(value){ 552 return this.emit.b; 553 }; 554 555 /** 556 * Gets the amount this material emits 557 * @return {Number} The emit value for the material 558 */ 559 GLGE.Material.prototype.getEmit=function(){ 560 return this.emit; 561 }; 562 /** 563 * Sets reflectivity of the material 564 * @param {Number} value how much to reflect (0-1) 565 */ 566 GLGE.Material.prototype.setReflectivity=function(value){ 567 this.reflect=value; 568 this.fireEvent("shaderupdate",{}); 569 return this; 570 }; 571 /** 572 * Gets the materials reflectivity 573 * @return {Number} The reflectivity of the material 574 */ 575 GLGE.Material.prototype.getReflectivity=function(){ 576 return this.reflect; 577 }; 578 579 /** 580 * Sets the material to output with 0 alpha or 1 alpha 581 * @param {boolean} value binary alpha flag 582 */ 583 GLGE.Material.prototype.setBinaryAlpha=function(value){ 584 this.binaryAlpha=value; 585 this.fireEvent("shaderupdate",{}); 586 return this; 587 }; 588 /** 589 * Gets the binary alpha flag 590 * @return {boolean} The binary alpha flag 591 */ 592 GLGE.Material.prototype.getBinaryAlpha=function(){ 593 return this.binaryAlpha; 594 }; 595 596 /** 597 * Add a new layer to the material 598 * @param {MaterialLayer} layer The material layer to add to the material 599 */ 600 GLGE.Material.prototype.addMaterialLayer=function(layer){ 601 if(typeof layer=="string") layer=GLGE.Assets.get(layer); 602 this.layers.push(layer); 603 var material=this; 604 var listener=function(event){ 605 material.fireEvent("shaderupdate",{}); 606 }; 607 this.layerlisteners.push(listener); 608 layer.addEventListener("shaderupdate",listener); 609 this.fireEvent("shaderupdate",{}); 610 return this; 611 }; 612 613 /** 614 * Removes a layer from the material 615 * @param {MaterialLayer} layer The material layer to remove 616 */ 617 GLGE.Material.prototype.removeMaterialLayer=function(layer){ 618 var idx=this.layers.indexOf(layer); 619 if(idx>=0){ 620 this.layers.splice(idx,1); 621 layer.removeEventListener("shaderupdate",this.layerlisteners[idx]); 622 this.layerlisteners.splice(idx,1); 623 this.fireEvent("shaderupdate",{}); 624 } 625 return this; 626 }; 627 628 /** 629 * Gets all the materials layers 630 * @returns {GLGE.MaterialLayer[]} all of the layers contained within this material 631 */ 632 GLGE.Material.prototype.getLayers=function(){ 633 return this.layers; 634 }; 635 /** 636 * Generate the code required to calculate the texture coords for each layer 637 * @private 638 */ 639 GLGE.Material.prototype.getLayerCoords=function(shaderInjection){ 640 var shader=[]; 641 shader.push("vec4 texturePos;\n"); 642 for(var i=0; i<this.layers.length;i++){ 643 shader.push("textureCoords"+i+"=vec3(0.0,0.0,0.0);\n"); 644 645 if(this.layers[i].mapinput==GLGE.UV1 || this.layers[i].mapinput==GLGE.UV2){ 646 shader.push("texturePos=vec4(vec2(UVCoord["+(this.layers[i].mapinput*2)+"],(1.0-UVCoord["+(this.layers[i].mapinput*2+1)+"])),1.0,1.0);\n"); 647 } 648 649 if(this.layers[i].mapinput==GLGE.MAP_NORM){ 650 shader.push("texturePos=vec4(normalize(n.xyz),1.0);\n"); 651 } 652 if(this.layers[i].mapinput==GLGE.MAP_OBJ){ 653 shader.push("texturePos=vec4(normalize(OBJCoord.xyz),1.0);\n"); 654 } 655 656 if(this.layers[i].mapinput==GLGE.MAP_REF){ 657 //will need to do in fragment to take the normal maps into account! 658 shader.push("texturePos=vec4(reflect(normalize(eyevec.xyz),normalize(n.xyz)),1.0);\n"); 659 } 660 661 662 663 if(this.layers[i].mapinput==GLGE.MAP_ENV){ 664 //will need to do in fragment to take the normal maps into account! 665 shader.push("texturePos=envMat * vec4(reflect(normalize(eyevec.xyz),normalize(n.xyz)),1.0);\n"); 666 } 667 668 shader.push("textureCoords"+i+"=(layer"+i+"Matrix * texturePos).xyz;\n"); 669 670 if(shaderInjection && ~shaderInjection.indexOf("GLGE_Texcoord")){ 671 shader.push("textureCoords"+i+"=GLGE_Texcoord("+i+",textureCoords"+i+");\n"); 672 } 673 674 } 675 676 return shader.join(""); 677 } 678 /** 679 * Generate the fragment shader program for this material 680 * @private 681 */ 682 GLGE.Material.prototype.getVertexVarying=function(){ 683 var shader=[]; 684 for(var i=0; i<this.layers.length;i++){ 685 shader.push("uniform mat4 layer"+i+"Matrix;\n"); 686 shader.push("varying vec3 textureCoords"+i+";\n"); 687 } 688 return shader.join(""); 689 } 690 691 GLGE.Material.prototype.registerPasses=function(gl,object){ 692 for(var i=0; i<this.textures.length;i++){ 693 if(this.textures[i].registerPasses) this.textures[i].registerPasses(gl,object); 694 } 695 } 696 697 /** 698 * Generate the fragment shader program for this material 699 * @private 700 */ 701 GLGE.Material.prototype.getFragmentShader=function(lights,colors,shaderInjection){ 702 var shader="#ifdef GL_ES\nprecision mediump float;\n#endif\n#define GLGE_FRAGMENT\n"; 703 if(shaderInjection) shader+=shaderInjection; 704 var tangent=false; 705 for(var i=0; i<lights.length;i++){ 706 if(lights[i].type==GLGE.L_POINT || lights[i].type==GLGE.L_SPOT || lights[i].type==GLGE.L_DIR){ 707 shader=shader+"varying vec3 lightvec"+i+";\n"; 708 shader=shader+"varying float lightdist"+i+";\n"; 709 } 710 } 711 shader=shader+"varying vec3 n;\n"; 712 shader=shader+"varying vec3 t;\n"; 713 shader=shader+"varying vec4 UVCoord;\n"; 714 shader=shader+"varying vec3 eyevec;\n"; 715 shader=shader+"varying vec3 OBJCoord;\n"; 716 if(colors) shader=shader+"varying vec4 vcolor;\n"; 717 shader=shader+"uniform sampler2D sky;\n"; 718 //texture uniforms 719 for(var i=0; i<this.textures.length;i++){ 720 if(this.textures[i].className=="Texture") shader=shader+"uniform sampler2D TEXTURE"+i+";\n"; 721 if(this.textures[i].className=="TextureCanvas") shader=shader+"uniform sampler2D TEXTURE"+i+";\n"; 722 if(this.textures[i].className=="TextureVideo") shader=shader+"uniform sampler2D TEXTURE"+i+";\n"; 723 if(this.textures[i].className=="TextureCube") shader=shader+"uniform samplerCube TEXTURE"+i+";\n"; 724 } 725 726 var cnt=1; 727 var shadowlights=[]; 728 var num; 729 for(var i=0; i<lights.length;i++){ 730 if(lights[i].type==GLGE.L_OFF) continue; 731 shader=shader+"uniform vec3 lightcolor"+i+";\n"; 732 shader=shader+"uniform vec3 lightAttenuation"+i+";\n"; 733 shader=shader+"uniform float spotCosCutOff"+i+";\n"; 734 shader=shader+"uniform float spotExp"+i+";\n"; 735 shader=shader+"uniform vec3 lightdir"+i+";\n"; 736 shader=shader+"uniform mat4 lightmat"+i+";\n"; 737 shader=shader+"uniform float shadowbias"+i+";\n"; 738 shader=shader+"uniform int shadowsamples"+i+";\n"; 739 shader=shader+"uniform float shadowsoftness"+i+";\n"; 740 shader=shader+"uniform bool castshadows"+i+";\n"; 741 shader=shader+"uniform vec2 shadowoffset"+i+";\n"; 742 if(lights[i].getCastShadows() && this.shadow){ 743 shader=shader+"varying vec4 spotcoord"+i+";\n"; 744 num=this.textures.length+(cnt++); 745 shader=shader+"uniform sampler2D TEXTURE"+num+";\n"; 746 shadowlights[i]=num; 747 } 748 } 749 for(i=0; i<this.layers.length;i++){ 750 shader=shader+"varying vec3 textureCoords"+i+";\n"; 751 shader=shader+"uniform float layeralpha"+i+";\n"; 752 if(this.layers[i].mapinput==GLGE.MAP_VIEW){ 753 shader=shader+"uniform mat4 layer"+i+"Matrix;\n"; 754 } 755 if((this.layers[i].mapto & GLGE.M_HEIGHT) == GLGE.M_HEIGHT || (this.layers[i].mapto & GLGE.M_STEEP) == GLGE.M_STEEP){ 756 shader=shader+"uniform float layerheight"+i+";\n"; 757 } 758 } 759 760 shader=shader+"uniform vec4 baseColor;\n"; 761 shader=shader+"uniform vec3 specColor;\n"; 762 shader=shader+"uniform float shine;\n"; 763 shader=shader+"uniform float specular;\n"; 764 shader=shader+"uniform float reflective;\n"; 765 shader=shader+"uniform vec3 emit;\n"; 766 shader=shader+"uniform float alpha;\n"; 767 shader=shader+"uniform vec3 amb;\n"; 768 shader=shader+"uniform float fognear;\n"; 769 shader=shader+"uniform float fogfar;\n"; 770 shader=shader+"uniform int fogtype;\n"; 771 shader=shader+"uniform vec3 fogcolor;\n"; 772 shader=shader+"uniform float far;\n"; 773 shader=shader+"uniform mat4 worldInverseTranspose;\n"; 774 shader=shader+"uniform mat4 projection;\n"; 775 shader=shader+"uniform bool emitpass;\n"; 776 shader=shader+"uniform bool shadeless;\n"; 777 778 shader=shader+"void main(void)\n"; 779 shader=shader+"{\n"; 780 shader=shader+"float att;\n"; 781 shader=shader+"int texture;\n"; 782 shader=shader+"float mask=1.0;\n"; 783 shader=shader+"float spec=specular;\n"; 784 shader=shader+"vec3 specC=specColor;\n"; 785 shader=shader+"vec4 view;\n"; 786 shader=shader+"vec3 textureCoords=vec3(0.0,0.0,0.0);\n"; 787 shader=shader+"float ref=reflective;\n"; 788 shader=shader+"float sh=shine;\n"; 789 shader=shader+"vec3 em=emit;\n"; 790 shader=shader+"float al=alpha;\n"; 791 shader=shader+"vec3 amblight=amb;\n"; 792 shader=shader+"vec4 normalmap= vec4(n,0.0);\n" 793 if(colors && this.vertexColorMode==GLGE.VC_BASE){ 794 shader=shader+"vec4 color= vcolor;"; 795 shader=shader+"al = vcolor.a;"; 796 }else{ 797 shader=shader+"vec4 color = baseColor;"; //set the initial color 798 } 799 shader=shader+"float pheight=0.0;\n" 800 shader=shader+"vec3 textureHeight=vec3(0.0,0.0,0.0);\n"; 801 shader=shader+"vec3 normal = normalize(n);\n"; 802 shader=shader+"vec3 b = vec3(0.0,0.0,0.0);\n"; 803 var diffuseLayer=0; 804 var anyAlpha=false; 805 for(i=0; i<this.layers.length;i++){ 806 807 shader=shader+"textureCoords=textureCoords"+i+"+textureHeight;\n"; 808 shader=shader+"mask=layeralpha"+i+"*mask;\n"; 809 810 if(this.layers[i].mapinput==GLGE.MAP_VIEW){ 811 shader=shader+"view=projection * vec4(-eyevec,1.0);\n"; 812 shader=shader+"textureCoords=view.xyz/view.w*0.5+0.5;\n"; 813 shader=shader+"textureCoords=(layer"+i+"Matrix*vec4(textureCoords,1.0)).xyz+textureHeight;\n"; 814 } 815 816 if(this.layers[i].mapinput==GLGE.MAP_POINT){ 817 shader=shader+"textureCoords=vec3(gl_PointCoord,1.0);\n"; 818 } 819 820 821 822 if(this.layers[i].getTexture().className=="Texture" || this.layers[i].getTexture().className=="TextureCanvas" || this.layers[i].getTexture().className=="TextureVideo" ){ 823 var txcoord="xy"; 824 var sampletype="2D"; 825 }else{ 826 var txcoord="xyz"; 827 var sampletype="Cube"; 828 } 829 830 if((this.layers[i].mapto & GLGE.M_COLOR) == GLGE.M_COLOR){ 831 diffuseLayer=i; 832 833 if(this.layers[i].blendMode==GLGE.BL_MUL){ 834 shader=shader+"color = color*(1.0-mask) + color*texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+")*mask;\n"; 835 } 836 else 837 { 838 shader=shader+"color = color*(1.0-mask) + texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+")*mask;\n"; 839 } 840 } 841 842 if((this.layers[i].mapto & GLGE.M_HEIGHT) == GLGE.M_HEIGHT){ 843 //do paralax stuff 844 shader=shader+"pheight = texture2D(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").x;\n"; 845 shader=shader+"textureHeight =vec3((layerheight"+i+"* (pheight-0.5) * normalize(eyevec).xy*vec2(1.0,-1.0)),0.0);\n"; 846 } 847 if((this.layers[i].mapto & GLGE.M_STEEP) == GLGE.M_STEEP){ 848 shader=shader+"b=normalize(cross(t.xyz,n));\n"; 849 shader=shader+"vec3 neye=normalize(eyevec.xyz);" 850 shader=shader+"neye = vec3(dot(neye,t),dot(neye,b),dot(neye,n));"; 851 shader=shader+"neye = normalize(neye);"; 852 shader=shader+"float stepheight"+i+"=layerheight"+i+";"; 853 854 shader=shader+"float steepstep"+i+"=(1.0/8.0)*stepheight"+i+"/neye.z;"; 855 shader=shader+"float steepdisplace"+i+"=0.0;"; 856 857 shader=shader+"for(int steepcount"+i+"=0;steepcount"+i+"<8;steepcount"+i+"++){"; 858 shader=shader+"pheight = texture2D(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+"+vec2(neye.x,neye.y)*steepdisplace"+i+").x;\n"; 859 shader=shader+"if(pheight*stepheight"+i+">neye.z*steepdisplace"+i+"){"; 860 shader=shader+"textureHeight=vec3(vec2(neye.x,neye.y)*steepdisplace"+i+",0.0);"; 861 shader=shader+"}else{"; 862 shader=shader+"steepdisplace"+i+"-=steepstep"+i+";"; 863 shader=shader+"steepstep"+i+"*=0.5;"; 864 shader=shader+"}"; 865 shader=shader+"steepdisplace"+i+"+=steepstep"+i+";"; 866 867 shader=shader+"}"; 868 } 869 if((this.layers[i].mapto & GLGE.M_SPECCOLOR) == GLGE.M_SPECCOLOR){ 870 shader=shader+"specC = specC*(1.0-mask) + texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").rgb*mask;\n"; 871 } 872 if((this.layers[i].mapto & GLGE.M_MSKR) == GLGE.M_MSKR){ 873 shader=shader+"mask = texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").r;\n"; 874 } 875 if((this.layers[i].mapto & GLGE.M_MSKG) == GLGE.M_MSKG){ 876 shader=shader+"mask = texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").g;\n"; 877 } 878 if((this.layers[i].mapto & GLGE.M_MSKB) == GLGE.M_MSKB){ 879 shader=shader+"mask = texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").b;\n"; 880 } 881 if((this.layers[i].mapto & GLGE.M_MSKA) == GLGE.M_MSKA){ 882 shader=shader+"mask = texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").a;\n"; 883 } 884 if((this.layers[i].mapto & GLGE.M_SPECULAR) == GLGE.M_SPECULAR){ 885 shader=shader+"spec = spec*(1.0-mask) + texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").r*mask;\n"; 886 } 887 if((this.layers[i].mapto & GLGE.M_REFLECT) == GLGE.M_REFLECT){ 888 shader=shader+"ref = ref*(1.0-mask) + texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").g*mask;\n"; 889 } 890 if((this.layers[i].mapto & GLGE.M_SHINE) == GLGE.M_SHINE){ 891 shader=shader+"sh = sh*(1.0-mask) + texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").b*mask*255.0;\n"; 892 } 893 if((this.layers[i].mapto & GLGE.M_EMIT) == GLGE.M_EMIT){ 894 shader=shader+"em = em*(1.0-mask) + texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").rgb*mask;\n"; 895 } 896 if((this.layers[i].mapto & GLGE.M_NOR) == GLGE.M_NOR){ 897 shader=shader+"normalmap = normalmap*(1.0-mask) + texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+")*mask;\n"; 898 shader=shader+"normal = normalmap.rgb;\n"; 899 shader=shader+"normal = 2.0*(vec3(normal.r, -normal.g, normal.b) - vec3(0.5, -0.5, 0.5));"; 900 shader=shader+"b=normalize(cross(t.xyz,n));\n"; 901 shader=shader+"normal = normal.x*t + normal.y*b + normal.z*n;"; 902 shader=shader+"normal = normalize(normal);"; 903 904 } 905 if((this.layers[i].mapto & GLGE.M_ALPHA) == GLGE.M_ALPHA){ 906 anyAlpha=true; 907 shader=shader+"al = al*(1.0-mask) + texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").a*mask;\n"; 908 } 909 910 if((this.layers[i].mapto & GLGE.M_AMBIENT) == GLGE.M_AMBIENT){ 911 shader=shader+"amblight = amblight*(1.0-mask) + texture"+sampletype+"(TEXTURE"+this.layers[i].texture.idx+", textureCoords."+txcoord+").rgb*mask;\n"; 912 } 913 } 914 if (!anyAlpha && this.layers.length) { 915 if(this.layers[diffuseLayer].getTexture().className=="Texture" || this.layers[diffuseLayer].getTexture().className=="TextureCanvas" || this.layers[diffuseLayer].getTexture().className=="TextureVideo" ) { 916 var txcoord="xy"; 917 var sampletype="2D"; 918 }else{ 919 var txcoord="xyz"; 920 var sampletype="Cube"; 921 } 922 shader=shader+"al = al*(1.0-mask) + texture"+sampletype+"(TEXTURE"+this.layers[diffuseLayer].texture.idx+", textureCoords."+txcoord+").a*al*mask;\n"; 923 } 924 if(colors && this.vertexColorMode==GLGE.VC_MUL){ 925 shader=shader+"color *= vcolor;"; 926 } 927 if(this.binaryAlpha) { 928 shader=shader+"if(al<0.5) discard;\n"; 929 shader=shader+"al=1.0;\n"; 930 }else{ 931 shader=shader+"if(al==0.0) discard;\n"; 932 } 933 shader=shader+"vec3 lightvalue=amblight;\n"; 934 if(colors && this.vertexColorMode==GLGE.VC_AMB){ 935 shader=shader+"lightvalue = vcolor.rgb;"; 936 } 937 if(colors && this.vertexColorMode==GLGE.VC_AMBMUL){ 938 shader=shader+"lightvalue *= vcolor.rgb;"; 939 } 940 941 shader=shader+"float dotN,spotEffect;"; 942 shader=shader+"vec3 lightvec=vec3(0.0,0.0,0.0);"; 943 shader=shader+"vec3 viewvec=vec3(0.0,0.0,0.0);"; 944 shader=shader+"vec3 specvalue=vec3(0.0,0.0,0.0);"; 945 shader=shader+"vec2 scoord=vec2(0.0,0.0);"; 946 shader=shader+"float sDepth=0.0;"; 947 shader=shader+"float spotmul=0.0;"; 948 shader=shader+"float rnd=0.0;"; 949 shader=shader+"float spotsampleX=0.0;"; 950 shader=shader+"float spotsampleY=0.0;"; 951 shader=shader+"float totalweight=0.0;"; 952 shader=shader+"int cnt=0;"; 953 shader=shader+"float specularSmoothStepValue=.125;\n"; 954 shader=shader+"vec2 spotoffset=vec2(0.0,0.0);"; 955 shader=shader+"float dp=0.0;"; 956 957 shader=shader+"vec4 dist;float depth,m1,m2,prob,variance;\n"; 958 shader=shader+"if (normal.z<0.0) {normal.z=0.0;}\n"; 959 960 961 shader=shader+"float fogfact=1.0;"; 962 shader=shader+"if(fogtype=="+GLGE.FOG_QUADRATIC+" || fogtype=="+GLGE.FOG_SKYQUADRATIC+") fogfact=clamp(pow(max((fogfar - length(eyevec)) / (fogfar - fognear),0.0),2.0),0.0,1.0);\n"; 963 shader=shader+"if(fogtype=="+GLGE.FOG_LINEAR+" || fogtype=="+GLGE.FOG_SKYLINEAR+") fogfact=clamp((fogfar - length(eyevec)) / (fogfar - fognear),0.0,1.0);\n"; 964 965 966 shader=shader+"if (emitpass) {gl_FragColor=vec4(em,1.0);} else if (shadeless) {\n"; 967 shader=shader+"gl_FragColor=vec4(color.rgb,al);\n"; 968 shader=shader+"} else {\n"; 969 970 for(var i=0; i<lights.length;i++){ 971 if(lights[i].type==GLGE.L_OFF) continue; 972 shader=shader+"lightvec=lightvec"+i+";\n"; 973 shader=shader+"viewvec=eyevec;\n"; 974 975 976 if(lights[i].type==GLGE.L_POINT){ 977 shader=shader+"dotN=max(dot(normal,normalize(-lightvec)),0.0);\n"; 978 shader=shader+"att = 1.0 / (lightAttenuation"+i+"[0] + lightAttenuation"+i+"[1] * lightdist"+i+" + lightAttenuation"+i+"[2] * lightdist"+i+" * lightdist"+i+");\n"; 979 980 shader=shader+"if(dotN>0.0){\n"; 981 if(lights[i].diffuse){ 982 shader=shader+"lightvalue += att * dotN * lightcolor"+i+";\n"; 983 } 984 shader=shader+"}\n"; 985 if(lights[i].specular){ 986 shader=shader+"specvalue += smoothstep(-specularSmoothStepValue,specularSmoothStepValue,dotN)*att * specC * lightcolor"+i+" * spec * pow(max(dot(reflect(normalize(lightvec), normal),normalize(viewvec)),0.0), 0.3*sh);\n"; 987 } 988 989 990 991 } 992 shader=shader+"spotEffect = 0.0;\n"; 993 if(lights[i].type==GLGE.L_SPOT){ 994 shader=shader+"spotEffect = dot(normalize(lightdir"+i+"), normalize(-lightvec"+i+"));"; 995 shader=shader+"if (spotEffect > spotCosCutOff"+i+""+(!this.spotCutOff ? " || spotEffect>0.0" : "")+") {\n"; 996 shader=shader+"spotEffect = pow(spotEffect, spotExp"+i+");"; 997 //spot shadow stuff 998 if(lights[i].getCastShadows() && this.shadow){ 999 shader=shader+"scoord=(((spotcoord"+i+".xy)/spotcoord"+i+".w)+1.0)/2.0;\n"; 1000 shader=shader+"if(scoord.x>0.0 && scoord.x<1.0 && scoord.y>0.0 && scoord.y<1.0){\n"; 1001 shader=shader+"dist=texture2D(TEXTURE"+(shadowlights[i])+", scoord);\n"; 1002 if(lights[i].spotSoftness==0){ 1003 shader=shader+"depth = dot(dist, vec4(0.000000059604644775390625,0.0000152587890625,0.00390625,1.0))*"+lights[i].distance+".0;\n"; 1004 shader=shader+"if(depth<length(lightvec"+i+")) spotmul=1.0; else spotmul=0.0;\n"; 1005 }else{ 1006 shader=shader+"m1 = pow(dot(dist, vec4(0.00390625,1.0,0.0,0.0)),2.0);\n"; 1007 shader=shader+"m2 = dot(dist, vec4(0.0,0.0,0.00390625,1.0));\n"; 1008 shader=shader+"variance = min(max(m1-m2*m2, 0.0) + 0.000002, 1.0);;\n"; 1009 shader=shader+"depth=length(lightvec"+i+")/"+lights[i].distance+".0-m2;\n"; 1010 shader=shader+"prob=variance /( variance + depth*depth );\n"; 1011 shader=shader+"prob=smoothstep("+lights[i].spotSoftnessDistance.toFixed(2)+",1.0,prob);\n"; 1012 shader=shader+"if (depth<=0.0) prob=1.0;\n"; 1013 shader=shader+"spotmul=1.0-prob;\n"; 1014 } 1015 shader=shader+"spotEffect=spotEffect*(1.0-spotmul);\n"; 1016 shader=shader+"}\n"; 1017 } 1018 shader=shader+"dotN=max(dot(normal,normalize(-lightvec)),0.0);\n"; 1019 1020 if(lights[i].negativeShadow){ 1021 shader=shader+"if(dotN>0.0){\n"; 1022 if(lights[i].diffuse){ 1023 shader=shader+"lightvalue -= (1.0-spotEffect) / (lightAttenuation"+i+"[0] + lightAttenuation"+i+"[1] * lightdist"+i+" + lightAttenuation"+i+"[2] * lightdist"+i+" * lightdist"+i+");\n"; 1024 } 1025 shader=shader+"}\n"; 1026 }else{ 1027 shader=shader+"att = spotEffect / (lightAttenuation"+i+"[0] + lightdist"+i+"*(lightAttenuation"+i+"[1] + lightAttenuation"+i+"[2] * lightdist"+i+"));\n"; 1028 1029 shader=shader+"if(dotN>0.0){\n"; 1030 if(lights[i].diffuse){ 1031 shader=shader+"lightvalue += att * dotN * lightcolor"+i+";\n"; 1032 } 1033 shader=shader+"}\n"; 1034 if(lights[i].specular){ 1035 shader=shader+"specvalue += smoothstep(-specularSmoothStepValue,specularSmoothStepValue,dotN) * att * specC * lightcolor"+i+" * spec * pow(max(dot(reflect(normalize(lightvec), normal),normalize(viewvec)),0.0), 0.3 * sh);\n"; 1036 } 1037 } 1038 1039 1040 shader=shader+"}\n"; 1041 } 1042 if(lights[i].type==GLGE.L_DIR){ 1043 shader=shader+"dotN=max(dot(normal,-normalize(lightvec)),0.0);\n"; 1044 1045 if(lights[i].getCastShadows() && this.shadow){ 1046 shader=shader+"float shadowfact"+i+" = 0.0;\n"; 1047 shader=shader+"float level"+i+" = 1.0;\n"; 1048 shader=shader+"scoord=((spotcoord"+i+".xy)+1.0)/2.0;\n"; 1049 var levels=lights[i].getCascadeLevels(); 1050 for(var l=1;l<levels;l++){ 1051 shader=shader+"if(scoord.x<0.0 || scoord.x>1.0 || scoord.y<0.0 || scoord.y>1.0) {scoord=((spotcoord"+i+".xy-shadowoffset"+i+")*"+Math.pow(0.5,l).toFixed(5)+"+shadowoffset"+i+"+1.0)/2.0;level"+i+"="+(l+1).toFixed(2)+";};\n"; 1052 } 1053 shader=shader+"scoord.y=scoord.y/"+levels.toFixed(2)+"+1.0-"+((1/levels).toFixed(5))+"*level"+i+";\n"; 1054 1055 if(lights[i].samples==0){ 1056 shader=shader+"dist=texture2D(TEXTURE"+shadowlights[i]+", scoord);\n"; 1057 shader=shader+"depth = dot(dist, vec4(0.000000059604644775390625,0.0000152587890625,0.00390625,1.0))*"+((+lights[i].distance).toFixed(2))+";\n"; 1058 shader=shader+"sDepth = ((spotcoord"+i+".z)/spotcoord"+i+".w+1.0)/2.0;\n"; 1059 1060 shader=shader+"if(scoord.x>0.0 && scoord.x<1.0 && scoord.y>0.0 && scoord.y<1.0 && sDepth-shadowbias"+i+"-depth>0.0) {\n"; 1061 shader=shader+"shadowfact"+i+"=pow(clamp(2.0*length(eyevec)/"+((+lights[i].distance).toFixed(2))+",0.0,1.0),1.2);\n"; 1062 shader=shader+"}else{shadowfact"+i+"=1.0;}\n"; 1063 }else{ 1064 shader=shader+"rnd=(fract(sin(dot(scoord,vec2(12.9898,78.233))) * 43758.5453)-0.5)*0.5;\n"; //generate random number 1065 for(var x=-lights[i].samples;x<=lights[i].samples;x++){ 1066 for(var y=-lights[i].samples;y<=lights[i].samples;y++){ 1067 shader=shader+"dist=texture2D(TEXTURE"+shadowlights[i]+", scoord+vec2("+(x/lights[i].bufferWidth).toFixed(4)+","+(y/lights[i].bufferHeight).toFixed(4)+")*shadowsoftness"+i+"*100.0/level"+i+"+vec2("+(1.0/lights[i].bufferWidth).toFixed(4)+","+(1.0/lights[i].bufferHeight).toFixed(4)+")*rnd);\n"; 1068 shader=shader+"depth = dot(dist, vec4(0.000000059604644775390625,0.0000152587890625,0.00390625,1.0))*"+((+lights[i].distance).toFixed(2))+";\n"; 1069 shader=shader+"sDepth = ((spotcoord"+i+".z)/spotcoord"+i+".w+1.0)/2.0;\n"; 1070 1071 shader=shader+"if(scoord.x>0.0 && scoord.x<1.0 && scoord.y>0.0 && scoord.y<1.0 && sDepth-shadowbias"+i+"-depth>0.0) {\n"; 1072 shader=shader+"shadowfact"+i+"+=pow(clamp(2.0*length(eyevec)/"+((+lights[i].distance).toFixed(2))+",0.0,1.0),2.0);\n"; 1073 shader=shader+"}else{shadowfact"+i+"+=1.0;}\n"; 1074 } 1075 } 1076 shader=shader+"shadowfact"+i+"/="+((lights[i].samples*2+1)*(lights[i].samples*2+1)).toFixed(1)+";\n"; 1077 } 1078 }else{ 1079 shader=shader+"float shadowfact"+i+" = 1.0;\n"; 1080 } 1081 if(lights[i].diffuse){ 1082 if(lights[i].negativeShadow){ 1083 shader=shader+"lightvalue -= lightcolor"+i+"-(dotN * lightcolor"+i+" * shadowfact"+i+");\n"; 1084 }else{ 1085 shader=shader+"lightvalue += dotN * lightcolor"+i+" * shadowfact"+i+";\n"; 1086 } 1087 } 1088 if(lights[i].specular){ 1089 shader=shader+"specvalue += smoothstep(-specularSmoothStepValue,specularSmoothStepValue,dotN) * specC * lightcolor"+i+" * spec * pow(max(dot(reflect(normalize(lightvec), normal),normalize(viewvec)),0.0), 0.3 * sh);\n"; 1090 } 1091 } 1092 } 1093 1094 shader=shader+"lightvalue = (lightvalue)*ref;\n"; 1095 1096 shader=shader+"vec3 fc=fogcolor.rgb;\n"; 1097 shader=shader+"if(fogtype=="+GLGE.FOG_SKYLINEAR+" || fogtype=="+GLGE.FOG_SKYQUADRATIC+"){"; 1098 shader=shader+"vec4 view=projection * vec4(-eyevec,1.0);\n"; 1099 shader=shader+"vec2 fogCoords=view.xy/view.w*0.5+0.5;\n"; 1100 shader=shader+"fc=texture2D(sky,fogCoords.xy).rgb;\n"; 1101 //shader=shader+"fogfact=1.0-(1.0-fogfact)*min(length(fc)/1.73,1.0);\n"; 1102 shader=shader+"}\n"; 1103 1104 shader=shader+"vec4 finalColor =vec4(specvalue.rgb+color.rgb*lightvalue.rgb+em.rgb,al)*fogfact+vec4(fc,al)*(1.0-fogfact);\n"; 1105 if(shaderInjection && ~shaderInjection.indexOf("GLGE_FragColor")){ 1106 shader=shader+"finalColor=GLGE_FragColor(finalColor);\n"; 1107 } 1108 shader=shader+"gl_FragColor = finalColor;"; 1109 if(GLGE.DEBUGNORMALS) shader=shader+"gl_FragColor = vec4(normal.rgb,1.0);"; 1110 if(GLGE.DEBUGCOORD0) shader=shader+"gl_FragColor = vec4(textureCoords0.rg,0.0,1.0);"; 1111 1112 1113 shader=shader+"}\n"; //end emit pass test 1114 1115 shader=shader+"}\n"; 1116 1117 return shader; 1118 }; 1119 /** 1120 * Set the uniforms needed to render this material 1121 * @private 1122 */ 1123 GLGE.Material.prototype.textureUniforms=function(gl,shaderProgram,lights,object){ 1124 if(this.animation) this.animate(); 1125 var pc=shaderProgram.caches; 1126 1127 if(!pc.baseColor || pc.baseColor.r!=this.color.r || pc.baseColor.g!=this.color.g || pc.baseColor.b!=this.color.b || pc.baseColor.a!=this.color.a){ 1128 if(!this.ccache || this.ccache.r!=this.color.r || this.ccache.g!=this.color.g || this.ccache.b!=this.color.b || this.ccache.a!=this.color.a){ 1129 this.ccache=this.color; 1130 this.glColor=new Float32Array([this.color.r,this.color.g,this.color.b,this.color.a]); 1131 } 1132 gl.uniform4fv(GLGE.getUniformLocation(gl,shaderProgram, "baseColor"), this.glColor); 1133 pc.baseColor=this.color; 1134 } 1135 if(pc.specColor!=this.specColor){ 1136 if(this.sccache!=this.specColor){ 1137 this.sccache=this.specColor; 1138 this.glspecColor=new Float32Array([this.specColor.r,this.specColor.g,this.specColor.b]); 1139 } 1140 gl.uniform3fv(GLGE.getUniformLocation(gl,shaderProgram, "specColor"), this.glspecColor); 1141 pc.specColor=this.specColor; 1142 } 1143 if(pc.emit!=this.emit){ 1144 gl.uniform3f(GLGE.getUniformLocation(gl,shaderProgram, "emit"), this.emit.r,this.emit.g,this.emit.b); 1145 pc.emit=this.emit; 1146 } 1147 if(pc.specular!=this.specular){ 1148 GLGE.setUniform(gl,"1f",GLGE.getUniformLocation(gl,shaderProgram, "specular"), this.specular); 1149 pc.specular=this.specular; 1150 } 1151 if(pc.shine!=this.shine){ 1152 GLGE.setUniform(gl,"1f",GLGE.getUniformLocation(gl,shaderProgram, "shine"), this.shine); 1153 pc.shine=this.shine; 1154 } 1155 if(pc.reflect!=this.reflect){ 1156 GLGE.setUniform(gl,"1f",GLGE.getUniformLocation(gl,shaderProgram, "reflective"), this.reflect); 1157 pc.reflect=this.reflect; 1158 } 1159 if(pc.alpha!=this.alpha){ 1160 GLGE.setUniform(gl,"1f",GLGE.getUniformLocation(gl,shaderProgram, "alpha"), this.alpha); 1161 pc.alpha=this.alpha; 1162 } 1163 if(pc.shadeless==undefined || pc.shadeless!=this.shadeless){ 1164 GLGE.setUniform(gl,"1i",GLGE.getUniformLocation(gl,shaderProgram, "shadeless"), this.shadeless); 1165 pc.shadeless=this.shadeless; 1166 } 1167 1168 if(gl.scene.skyTexture){ 1169 1170 gl.activeTexture(gl["TEXTURE0"]); 1171 1172 gl.bindTexture(gl.TEXTURE_2D, gl.scene.skyTexture); 1173 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); 1174 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); 1175 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); 1176 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); 1177 1178 GLGE.setUniform(gl,"1i",GLGE.getUniformLocation(gl,shaderProgram, "sky"), 0); 1179 } 1180 1181 /* 1182 if(this.ambient && pc.ambient!=this.ambient){ 1183 gl.uniform3fv(GLGE.getUniformLocation(gl,shaderProgram, "amb"), new Float32Array([this.ambient.r,this.ambient.g,this.ambient.b])); 1184 pc.ambient=this.ambient; 1185 } 1186 */ 1187 var cnt=1; 1188 var num=0; 1189 if(!pc["lightcolor"]){ 1190 pc["lightcolor"]=[]; 1191 pc["lightAttenuation"]=[]; 1192 pc["spotCosCutOff"]=[]; 1193 pc["spotExponent"]=[]; 1194 pc["shadowbias"]=[]; 1195 pc["castshadows"]=[]; 1196 pc["shadowsamples"]=[]; 1197 pc["shadowsoftness"]=[]; 1198 } 1199 for(var i=0; i<lights.length;i++){ 1200 if(lights[i].type==GLGE.L_OFF) continue; 1201 if(pc["lightcolor"][i]!=lights[i].color){ 1202 GLGE.setUniform3(gl,"3f",GLGE.getUniformLocation(gl,shaderProgram, "lightcolor"+i), lights[i].color.r,lights[i].color.g,lights[i].color.b); 1203 pc["lightcolor"][i]=lights[i].color; 1204 } 1205 if(pc["lightAttenuation"][i]!=lights[i].constantAttenuation){ 1206 GLGE.setUniform3(gl,"3f",GLGE.getUniformLocation(gl,shaderProgram, "lightAttenuation"+i), lights[i].constantAttenuation,lights[i].linearAttenuation,lights[i].quadraticAttenuation); 1207 pc["lightAttenuation"][i]=lights[i].constantAttenuation; 1208 } 1209 if(pc["spotCosCutOff"][i]!=lights[i].spotCosCutOff){ 1210 GLGE.setUniform(gl,"1f",GLGE.getUniformLocation(gl,shaderProgram, "spotCosCutOff"+i), lights[i].spotCosCutOff); 1211 pc["spotCosCutOff"][i]=lights[i].spotCosCutOff; 1212 } 1213 if(pc["spotExponent"][i]!=lights[i].spotExponent){ 1214 GLGE.setUniform(gl,"1f",GLGE.getUniformLocation(gl,shaderProgram, "spotExp"+i), lights[i].spotExponent); 1215 pc["spotExponent"][i]=lights[i].spotExponent; 1216 1217 } 1218 if(pc["shadowbias"][i]!=lights[i].shadowBias){ 1219 GLGE.setUniform(gl,"1f",GLGE.getUniformLocation(gl,shaderProgram, "shadowbias"+i), lights[i].shadowBias); 1220 pc["shadowbias"][i]=lights[i].shadowBias; 1221 } 1222 if(pc["shadowsoftness"][i]!=lights[i].softness){ 1223 GLGE.setUniform(gl,"1f",GLGE.getUniformLocation(gl,shaderProgram, "shadowsoftness"+i), lights[i].softness); 1224 pc["shadowsoftness"][i]=lights[i].softness; 1225 } 1226 1227 //shadow code 1228 if(lights[i].getCastShadows() && this.shadow) { 1229 num=this.textures.length+(cnt++); 1230 gl.activeTexture(gl["TEXTURE"+num]); 1231 gl.bindTexture(gl.TEXTURE_2D, lights[i].texture); 1232 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); 1233 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); 1234 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); 1235 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); 1236 GLGE.setUniform(gl,"1i",GLGE.getUniformLocation(gl,shaderProgram, "TEXTURE"+num), num); 1237 } 1238 1239 1240 } 1241 1242 if(!shaderProgram.glarrays.layermat) shaderProgram.glarrays.layermat=[]; 1243 1244 1245 1246 var scale,offset; 1247 for(i=0; i<this.layers.length;i++){ 1248 if(this.layers[i].animation) this.layers[i].animate(); 1249 scale=this.layers[i].getScale(); 1250 offset=this.layers[i].getOffset(); 1251 if(!shaderProgram.glarrays.layermat[i]) shaderProgram.glarrays.layermat[i]=new Float32Array(this.layers[i].getMatrix()); 1252 else GLGE.mat4gl(this.layers[i].getMatrix(),shaderProgram.glarrays.layermat[i]); 1253 1254 try{GLGE.setUniformMatrix(gl,"Matrix4fv",GLGE.getUniformLocation(gl,shaderProgram, "layer"+i+"Matrix"), true, shaderProgram.glarrays.layermat[i]);}catch(e){} 1255 1256 GLGE.setUniform(gl,"1f",GLGE.getUniformLocation(gl,shaderProgram, "layeralpha"+i), this.layers[i].getAlpha()); 1257 GLGE.setUniform(gl,"1f",GLGE.getUniformLocation(gl,shaderProgram, "layerheight"+i), this.layers[i].getHeight()); 1258 } 1259 1260 for(var i=0; i<this.textures.length;i++){ 1261 1262 gl.activeTexture(gl["TEXTURE"+(i+1)]); 1263 if(this.textures[i].doTexture(gl,object)){ 1264 } 1265 GLGE.setUniform(gl,"1i",GLGE.getUniformLocation(gl,shaderProgram, "TEXTURE"+i), i+1); 1266 } 1267 1268 }; 1269 1270 /** 1271 * Adds a new texture to this material 1272 * @returns {boolean} true if all resources have loaded false otherwise 1273 */ 1274 GLGE.Material.prototype.isComplete=function(){ 1275 for(var i=0;i<this.textures.length;i++){ 1276 if(!this.textures[i].isComplete) continue; 1277 if(!this.textures[i].isComplete()) return false; 1278 } 1279 return true; 1280 } 1281 1282 /** 1283 * Adds a new texture to this material 1284 * @param {String} image URL of the image to be used by the texture 1285 * @return {Number} index of the new texture 1286 */ 1287 GLGE.Material.prototype.addTexture=function(texture){ 1288 if(typeof texture=="string") texture=GLGE.Assets.get(texture); 1289 var material=this; 1290 texture.addEventListener("downloadComplete",function(){ 1291 if(material.isComplete()) material.fireEvent("downloadComplete"); 1292 }); 1293 this.textures.push(texture); 1294 texture.idx=this.textures.length-1; 1295 this.fireEvent("shaderupdate",{}); 1296 return this; 1297 }; 1298 GLGE.Material.prototype.addTextureCube=GLGE.Material.prototype.addTexture; 1299 GLGE.Material.prototype.addTextureCamera=GLGE.Material.prototype.addTexture; 1300 GLGE.Material.prototype.addTextureCanvas=GLGE.Material.prototype.addTexture; 1301 GLGE.Material.prototype.addTextureVideo=GLGE.Material.prototype.addTexture; 1302 1303 GLGE.DEFAULT_MATERIAL=new GLGE.Material(); 1304 1305 1306 })(GLGE);
