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- var BABYLON,__extends=this&&this.__extends||(function(){var i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)};return function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}})(),__decorate=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,i);else for(var a=e.length-1;0<=a;a--)(n=e[a])&&(s=(o<3?n(s):3<o?n(t,r,s):n(t,r))||s);return 3<o&&s&&Object.defineProperty(t,r,s),s};!(function(p){var c=(function(t){function e(){var e=t.call(this)||this;return e.DIFFUSE=!1,e.BUMP=!1,e.CLIPPLANE=!1,e.CLIPPLANE2=!1,e.CLIPPLANE3=!1,e.CLIPPLANE4=!1,e.ALPHATEST=!1,e.DEPTHPREPASS=!1,e.POINTSIZE=!1,e.FOG=!1,e.SPECULARTERM=!1,e.NORMAL=!1,e.UV1=!1,e.UV2=!1,e.VERTEXCOLOR=!1,e.VERTEXALPHA=!1,e.NUM_BONE_INFLUENCERS=0,e.BonesPerMesh=0,e.INSTANCES=!1,e.rebuild(),e}return __extends(e,t),e})(p.MaterialDefines),e=(function(i){function n(e,t){var r=i.call(this,e,t)||this;return r.diffuseColor=new p.Color3(1,1,1),r.specularColor=new p.Color3(0,0,0),r.specularPower=64,r._disableLighting=!1,r._maxSimultaneousLights=4,r}return __extends(n,i),n.prototype.needAlphaBlending=function(){return this.alpha<1},n.prototype.needAlphaTesting=function(){return!1},n.prototype.getAlphaTestTexture=function(){return null},n.prototype.isReadyForSubMesh=function(e,t,r){if(this.isFrozen&&this._wasPreviouslyReady&&t.effect)return!0;t._materialDefines||(t._materialDefines=new c);var i=t._materialDefines,n=this.getScene();if(!this.checkReadyOnEveryCall&&t.effect&&this._renderId===n.getRenderId())return!0;var o=n.getEngine();if(n.texturesEnabled){if(this.mixTexture&&p.StandardMaterial.DiffuseTextureEnabled){if(!this.mixTexture.isReady())return!1;i._needUVs=!0,i.DIFFUSE=!0}(this.bumpTexture1||this.bumpTexture2||this.bumpTexture3)&&p.StandardMaterial.BumpTextureEnabled&&(i._needUVs=!0,i._needNormals=!0,i.BUMP=!0)}if(p.MaterialHelper.PrepareDefinesForMisc(e,n,!1,this.pointsCloud,this.fogEnabled,this._shouldTurnAlphaTestOn(e),i),i._needNormals=p.MaterialHelper.PrepareDefinesForLights(n,e,i,!1,this._maxSimultaneousLights,this._disableLighting),p.MaterialHelper.PrepareDefinesForFrameBoundValues(n,o,i,!!r),p.MaterialHelper.PrepareDefinesForAttributes(e,i,!0,!0),i.isDirty){i.markAsProcessed(),n.resetCachedMaterial();var s=new p.EffectFallbacks;i.FOG&&s.addFallback(1,"FOG"),p.MaterialHelper.HandleFallbacksForShadows(i,s,this.maxSimultaneousLights),0<i.NUM_BONE_INFLUENCERS&&s.addCPUSkinningFallback(0,e);var a=[p.VertexBuffer.PositionKind];i.NORMAL&&a.push(p.VertexBuffer.NormalKind),i.UV1&&a.push(p.VertexBuffer.UVKind),i.UV2&&a.push(p.VertexBuffer.UV2Kind),i.VERTEXCOLOR&&a.push(p.VertexBuffer.ColorKind),p.MaterialHelper.PrepareAttributesForBones(a,e,i,s),p.MaterialHelper.PrepareAttributesForInstances(a,i);var u=i.toString(),f=["world","view","viewProjection","vEyePosition","vLightsType","vDiffuseColor","vSpecularColor","vFogInfos","vFogColor","pointSize","vTextureInfos","mBones","vClipPlane","vClipPlane2","vClipPlane3","vClipPlane4","textureMatrix","diffuse1Infos","diffuse2Infos","diffuse3Infos"],l=["textureSampler","diffuse1Sampler","diffuse2Sampler","diffuse3Sampler","bump1Sampler","bump2Sampler","bump3Sampler"],d=new Array;p.MaterialHelper.PrepareUniformsAndSamplersList({uniformsNames:f,uniformBuffersNames:d,samplers:l,defines:i,maxSimultaneousLights:this.maxSimultaneousLights}),t.setEffect(n.getEngine().createEffect("terrain",{attributes:a,uniformsNames:f,uniformBuffersNames:d,samplers:l,defines:u,fallbacks:s,onCompiled:this.onCompiled,onError:this.onError,indexParameters:{maxSimultaneousLights:this.maxSimultaneousLights}},o),i)}return!(!t.effect||!t.effect.isReady())&&(this._renderId=n.getRenderId(),this._wasPreviouslyReady=!0)},n.prototype.bindForSubMesh=function(e,t,r){var i=this.getScene(),n=r._materialDefines;if(n){var o=r.effect;o&&(this._activeEffect=o,this.bindOnlyWorldMatrix(e),this._activeEffect.setMatrix("viewProjection",i.getTransformMatrix()),p.MaterialHelper.BindBonesParameters(t,this._activeEffect),this._mustRebind(i,o)&&(this.mixTexture&&(this._activeEffect.setTexture("textureSampler",this._mixTexture),this._activeEffect.setFloat2("vTextureInfos",this._mixTexture.coordinatesIndex,this._mixTexture.level),this._activeEffect.setMatrix("textureMatrix",this._mixTexture.getTextureMatrix()),p.StandardMaterial.DiffuseTextureEnabled&&(this._diffuseTexture1&&(this._activeEffect.setTexture("diffuse1Sampler",this._diffuseTexture1),this._activeEffect.setFloat2("diffuse1Infos",this._diffuseTexture1.uScale,this._diffuseTexture1.vScale)),this._diffuseTexture2&&(this._activeEffect.setTexture("diffuse2Sampler",this._diffuseTexture2),this._activeEffect.setFloat2("diffuse2Infos",this._diffuseTexture2.uScale,this._diffuseTexture2.vScale)),this._diffuseTexture3&&(this._activeEffect.setTexture("diffuse3Sampler",this._diffuseTexture3),this._activeEffect.setFloat2("diffuse3Infos",this._diffuseTexture3.uScale,this._diffuseTexture3.vScale))),p.StandardMaterial.BumpTextureEnabled&&i.getEngine().getCaps().standardDerivatives&&(this._bumpTexture1&&this._activeEffect.setTexture("bump1Sampler",this._bumpTexture1),this._bumpTexture2&&this._activeEffect.setTexture("bump2Sampler",this._bumpTexture2),this._bumpTexture3&&this._activeEffect.setTexture("bump3Sampler",this._bumpTexture3))),p.MaterialHelper.BindClipPlane(this._activeEffect,i),this.pointsCloud&&this._activeEffect.setFloat("pointSize",this.pointSize),p.MaterialHelper.BindEyePosition(o,i)),this._activeEffect.setColor4("vDiffuseColor",this.diffuseColor,this.alpha*t.visibility),n.SPECULARTERM&&this._activeEffect.setColor4("vSpecularColor",this.specularColor,this.specularPower),i.lightsEnabled&&!this.disableLighting&&p.MaterialHelper.BindLights(i,t,this._activeEffect,n,this.maxSimultaneousLights),i.fogEnabled&&t.applyFog&&i.fogMode!==p.Scene.FOGMODE_NONE&&this._activeEffect.setMatrix("view",i.getViewMatrix()),p.MaterialHelper.BindFogParameters(i,t,this._activeEffect),this._afterBind(t,this._activeEffect))}},n.prototype.getAnimatables=function(){var e=[];return this.mixTexture&&this.mixTexture.animations&&0<this.mixTexture.animations.length&&e.push(this.mixTexture),e},n.prototype.getActiveTextures=function(){var e=i.prototype.getActiveTextures.call(this);return this._mixTexture&&e.push(this._mixTexture),this._diffuseTexture1&&e.push(this._diffuseTexture1),this._diffuseTexture2&&e.push(this._diffuseTexture2),this._diffuseTexture3&&e.push(this._diffuseTexture3),this._bumpTexture1&&e.push(this._bumpTexture1),this._bumpTexture2&&e.push(this._bumpTexture2),this._bumpTexture3&&e.push(this._bumpTexture3),e},n.prototype.hasTexture=function(e){return!!i.prototype.hasTexture.call(this,e)||(this._mixTexture===e||(this._diffuseTexture1===e||(this._diffuseTexture2===e||(this._diffuseTexture3===e||(this._bumpTexture1===e||(this._bumpTexture2===e||this._bumpTexture3===e))))))},n.prototype.dispose=function(e){this.mixTexture&&this.mixTexture.dispose(),i.prototype.dispose.call(this,e)},n.prototype.clone=function(e){var t=this;return p.SerializationHelper.Clone((function(){return new n(e,t.getScene())}),this)},n.prototype.serialize=function(){var e=p.SerializationHelper.Serialize(this);return e.customType="BABYLON.TerrainMaterial",e},n.prototype.getClassName=function(){return"TerrainMaterial"},n.Parse=function(e,t,r){return p.SerializationHelper.Parse((function(){return new n(e.name,t)}),e,t,r)},__decorate([p.serializeAsTexture("mixTexture")],n.prototype,"_mixTexture",void 0),__decorate([p.expandToProperty("_markAllSubMeshesAsTexturesDirty")],n.prototype,"mixTexture",void 0),__decorate([p.serializeAsTexture("diffuseTexture1")],n.prototype,"_diffuseTexture1",void 0),__decorate([p.expandToProperty("_markAllSubMeshesAsTexturesDirty")],n.prototype,"diffuseTexture1",void 0),__decorate([p.serializeAsTexture("diffuseTexture2")],n.prototype,"_diffuseTexture2",void 0),__decorate([p.expandToProperty("_markAllSubMeshesAsTexturesDirty")],n.prototype,"diffuseTexture2",void 0),__decorate([p.serializeAsTexture("diffuseTexture3")],n.prototype,"_diffuseTexture3",void 0),__decorate([p.expandToProperty("_markAllSubMeshesAsTexturesDirty")],n.prototype,"diffuseTexture3",void 0),__decorate([p.serializeAsTexture("bumpTexture1")],n.prototype,"_bumpTexture1",void 0),__decorate([p.expandToProperty("_markAllSubMeshesAsTexturesDirty")],n.prototype,"bumpTexture1",void 0),__decorate([p.serializeAsTexture("bumpTexture2")],n.prototype,"_bumpTexture2",void 0),__decorate([p.expandToProperty("_markAllSubMeshesAsTexturesDirty")],n.prototype,"bumpTexture2",void 0),__decorate([p.serializeAsTexture("bumpTexture3")],n.prototype,"_bumpTexture3",void 0),__decorate([p.expandToProperty("_markAllSubMeshesAsTexturesDirty")],n.prototype,"bumpTexture3",void 0),__decorate([p.serializeAsColor3()],n.prototype,"diffuseColor",void 0),__decorate([p.serializeAsColor3()],n.prototype,"specularColor",void 0),__decorate([p.serialize()],n.prototype,"specularPower",void 0),__decorate([p.serialize("disableLighting")],n.prototype,"_disableLighting",void 0),__decorate([p.expandToProperty("_markAllSubMeshesAsLightsDirty")],n.prototype,"disableLighting",void 0),__decorate([p.serialize("maxSimultaneousLights")],n.prototype,"_maxSimultaneousLights",void 0),__decorate([p.expandToProperty("_markAllSubMeshesAsLightsDirty")],n.prototype,"maxSimultaneousLights",void 0),n})(p.PushMaterial);p.TerrainMaterial=e})(BABYLON||(BABYLON={})),BABYLON.Effect.ShadersStore.terrainVertexShader="precision highp float;\n\nattribute vec3 position;\n#ifdef NORMAL\nattribute vec3 normal;\n#endif\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#ifdef UV2\nattribute vec2 uv2;\n#endif\n#ifdef VERTEXCOLOR\nattribute vec4 color;\n#endif\n#include<bonesDeclaration>\n\n#include<instancesDeclaration>\nuniform mat4 view;\nuniform mat4 viewProjection;\n#ifdef DIFFUSE\nvarying vec2 vTextureUV;\nuniform mat4 textureMatrix;\nuniform vec2 vTextureInfos;\n#endif\n#ifdef POINTSIZE\nuniform float pointSize;\n#endif\n\nvarying vec3 vPositionW;\n#ifdef NORMAL\nvarying vec3 vNormalW;\n#endif\n#ifdef VERTEXCOLOR\nvarying vec4 vColor;\n#endif\n#include<clipPlaneVertexDeclaration>\n#include<fogVertexDeclaration>\n#include<__decl__lightFragment>[0..maxSimultaneousLights]\nvoid main(void) {\n#include<instancesVertex>\n#include<bonesVertex>\ngl_Position=viewProjection*finalWorld*vec4(position,1.0);\nvec4 worldPos=finalWorld*vec4(position,1.0);\nvPositionW=vec3(worldPos);\n#ifdef NORMAL\nvNormalW=normalize(vec3(finalWorld*vec4(normal,0.0)));\n#endif\n\n#ifndef UV1\nvec2 uv=vec2(0.,0.);\n#endif\n#ifndef UV2\nvec2 uv2=vec2(0.,0.);\n#endif\n#ifdef DIFFUSE\nif (vTextureInfos.x == 0.)\n{\nvTextureUV=vec2(textureMatrix*vec4(uv,1.0,0.0));\n}\nelse\n{\nvTextureUV=vec2(textureMatrix*vec4(uv2,1.0,0.0));\n}\n#endif\n\n#include<clipPlaneVertex>\n\n#include<fogVertex>\n\n#include<shadowsVertex>[0..maxSimultaneousLights]\n\n#ifdef VERTEXCOLOR\nvColor=color;\n#endif\n\n#ifdef POINTSIZE\ngl_PointSize=pointSize;\n#endif\n}\n",BABYLON.Effect.ShadersStore.terrainPixelShader="precision highp float;\n\nuniform vec3 vEyePosition;\nuniform vec4 vDiffuseColor;\n#ifdef SPECULARTERM\nuniform vec4 vSpecularColor;\n#endif\n\nvarying vec3 vPositionW;\n#ifdef NORMAL\nvarying vec3 vNormalW;\n#endif\n#ifdef VERTEXCOLOR\nvarying vec4 vColor;\n#endif\n\n#include<helperFunctions>\n\n#include<__decl__lightFragment>[0..maxSimultaneousLights]\n\n#ifdef DIFFUSE\nvarying vec2 vTextureUV;\nuniform sampler2D textureSampler;\nuniform vec2 vTextureInfos;\nuniform sampler2D diffuse1Sampler;\nuniform sampler2D diffuse2Sampler;\nuniform sampler2D diffuse3Sampler;\nuniform vec2 diffuse1Infos;\nuniform vec2 diffuse2Infos;\nuniform vec2 diffuse3Infos;\n#endif\n#ifdef BUMP\nuniform sampler2D bump1Sampler;\nuniform sampler2D bump2Sampler;\nuniform sampler2D bump3Sampler;\n#endif\n\n#include<lightsFragmentFunctions>\n#include<shadowsFragmentFunctions>\n#include<clipPlaneFragmentDeclaration>\n\n#include<fogFragmentDeclaration>\n\n#ifdef BUMP\n#extension GL_OES_standard_derivatives : enable\n\nmat3 cotangent_frame(vec3 normal,vec3 p,vec2 uv)\n{\n\nvec3 dp1=dFdx(p);\nvec3 dp2=dFdy(p);\nvec2 duv1=dFdx(uv);\nvec2 duv2=dFdy(uv);\n\nvec3 dp2perp=cross(dp2,normal);\nvec3 dp1perp=cross(normal,dp1);\nvec3 tangent=dp2perp*duv1.x+dp1perp*duv2.x;\nvec3 binormal=dp2perp*duv1.y+dp1perp*duv2.y;\n\nfloat invmax=inversesqrt(max(dot(tangent,tangent),dot(binormal,binormal)));\nreturn mat3(tangent*invmax,binormal*invmax,normal);\n}\nvec3 perturbNormal(vec3 viewDir,vec3 mixColor)\n{ \nvec3 bump1Color=texture2D(bump1Sampler,vTextureUV*diffuse1Infos).xyz;\nvec3 bump2Color=texture2D(bump2Sampler,vTextureUV*diffuse2Infos).xyz;\nvec3 bump3Color=texture2D(bump3Sampler,vTextureUV*diffuse3Infos).xyz;\nbump1Color.rgb*=mixColor.r;\nbump2Color.rgb=mix(bump1Color.rgb,bump2Color.rgb,mixColor.g);\nvec3 map=mix(bump2Color.rgb,bump3Color.rgb,mixColor.b);\nmap=map*255./127.-128./127.;\nmat3 TBN=cotangent_frame(vNormalW*vTextureInfos.y,-viewDir,vTextureUV);\nreturn normalize(TBN*map);\n}\n#endif\nvoid main(void) {\n\n#include<clipPlaneFragment>\nvec3 viewDirectionW=normalize(vEyePosition-vPositionW);\n\nvec4 baseColor=vec4(1.,1.,1.,1.);\nvec3 diffuseColor=vDiffuseColor.rgb;\n#ifdef SPECULARTERM\nfloat glossiness=vSpecularColor.a;\nvec3 specularColor=vSpecularColor.rgb;\n#else\nfloat glossiness=0.;\n#endif\n\nfloat alpha=vDiffuseColor.a;\n\n#ifdef NORMAL\nvec3 normalW=normalize(vNormalW);\n#else\nvec3 normalW=vec3(1.0,1.0,1.0);\n#endif\n#ifdef DIFFUSE\nbaseColor=texture2D(textureSampler,vTextureUV);\n#if defined(BUMP) && defined(DIFFUSE)\nnormalW=perturbNormal(viewDirectionW,baseColor.rgb);\n#endif\n#ifdef ALPHATEST\nif (baseColor.a<0.4)\ndiscard;\n#endif\n#include<depthPrePass>\nbaseColor.rgb*=vTextureInfos.y;\nvec4 diffuse1Color=texture2D(diffuse1Sampler,vTextureUV*diffuse1Infos);\nvec4 diffuse2Color=texture2D(diffuse2Sampler,vTextureUV*diffuse2Infos);\nvec4 diffuse3Color=texture2D(diffuse3Sampler,vTextureUV*diffuse3Infos);\ndiffuse1Color.rgb*=baseColor.r;\ndiffuse2Color.rgb=mix(diffuse1Color.rgb,diffuse2Color.rgb,baseColor.g);\nbaseColor.rgb=mix(diffuse2Color.rgb,diffuse3Color.rgb,baseColor.b);\n#endif\n#ifdef VERTEXCOLOR\nbaseColor.rgb*=vColor.rgb;\n#endif\n\nvec3 diffuseBase=vec3(0.,0.,0.);\nlightingInfo info;\nfloat shadow=1.;\n#ifdef SPECULARTERM\nvec3 specularBase=vec3(0.,0.,0.);\n#endif\n#include<lightFragment>[0..maxSimultaneousLights]\n#ifdef VERTEXALPHA\nalpha*=vColor.a;\n#endif\n#ifdef SPECULARTERM\nvec3 finalSpecular=specularBase*specularColor;\n#else\nvec3 finalSpecular=vec3(0.0);\n#endif\nvec3 finalDiffuse=clamp(diffuseBase*diffuseColor*baseColor.rgb,0.0,1.0);\n\nvec4 color=vec4(finalDiffuse+finalSpecular,alpha);\n#include<fogFragment>\ngl_FragColor=color;\n}\n";
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