[162] | 1 | #include <algorithm>
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[191] | 2 |
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| 3 | // the devil library
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| 4 | #include <IL/il.h>
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| 5 | #include <IL/ilu.h>
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| 6 | #include <IL/ilut.h>
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| 7 |
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[162] | 8 | #include "Camera.h"
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| 9 | #include "Ray.h"
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| 10 | #include "KdTree.h"
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| 11 | #include "Mesh.h"
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| 12 | #include "Exporter.h"
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[492] | 13 | #include "SceneGraph.h"
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[162] | 14 |
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[191] | 15 |
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| 16 |
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| 17 |
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| 18 | void
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| 19 | InitDevIl()
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| 20 | {
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| 21 | ilInit();
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| 22 | ILuint ImageName;
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| 23 | ilGenImages(1, &ImageName);
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| 24 | ilBindImage(ImageName);
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| 25 | ilEnable(IL_FILE_OVERWRITE);
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| 26 |
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| 27 | // ilRegisterFormat(IL_RGBA);
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| 28 | // ilRegisterType(IL_FLOAT);
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| 29 |
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| 30 | // ilEnable(IL_ORIGIN_SET);
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| 31 | // ilOriginFunc(IL_ORIGIN_UPPER_LEFT);
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| 32 | }
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| 33 |
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[162] | 34 | bool
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| 35 | Camera::SnapImage(string filename,
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[492] | 36 | KdTree *tree,
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| 37 | SceneGraph *sceneGraph
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| 38 | )
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[162] | 39 | {
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| 40 | int x;
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| 41 | int y;
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| 42 |
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| 43 | bool exportRays = true;
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| 44 |
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| 45 |
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[191] | 46 | InitDevIl();
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| 47 | int components = 4;
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| 48 | float *buffer = new float[components*mWidth*mHeight];
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| 49 | float *pbuffer = buffer;
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| 50 | // - components*mWidth;
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[179] | 51 |
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[386] | 52 | vector<Ray *> rays;
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[162] | 53 |
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| 54 | long t1 = GetTime();
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| 55 |
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| 56 | Ray ray;
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[191] | 57 |
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[162] | 58 | for (y = 0; y < mHeight; y++) {
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| 59 | cout<<"+";
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| 60 | for (x = 0; x < mWidth; x++) {
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[191] | 61 | SetupRay(ray, x, mHeight - (y + 1));
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[162] | 62 | if (tree->CastRay(ray))
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[492] | 63 | if (ray.intersections.size()) {
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| 64 | sort(ray.intersections.begin(), ray.intersections.end());
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| 65 | MeshInstance *mesh = (MeshInstance*)ray.intersections[0].mObject;
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| 66 | RgbColor color(1,1,1);
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| 67 | if (mesh->GetMesh()->mMaterial)
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| 68 | color = mesh->GetMesh()->mMaterial->mDiffuseColor;
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| 69 |
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| 70 | pbuffer[0] = color.r;
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| 71 | pbuffer[1] = color.g;
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| 72 | pbuffer[2] = color.b;
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| 73 | pbuffer[3] = 1.0f;
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| 74 |
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| 75 | }
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[191] | 76 | pbuffer+=components;
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[162] | 77 |
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[492] | 78 | // if (exportRays && ( 1||(x==222) && (y==97))) {
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| 79 | // if (exportRays && ((x%4==0) && (y%4==0))) {
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| 80 | if (exportRays && ray.intersections.empty()) {
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| 81 | Ray *nray = new Ray(ray);
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| 82 | rays.push_back(nray);
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| 83 | }
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[162] | 84 | }
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[191] | 85 | // pbuffer-=2*components*mWidth;
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[162] | 86 | }
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| 87 |
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| 88 | long t2 = GetTime();
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[176] | 89 | cout<<"#RAY_CAST_TIME\n";
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| 90 | cout<<TimeDiff(t1, t2)<<"\n";
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| 91 |
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[492] | 92 |
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[176] | 93 | cout<<"Saving image"<<endl;
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[492] | 94 |
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[191] | 95 | ilRegisterType(IL_FLOAT);
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| 96 | ilTexImage(mWidth, mHeight, 1, 4, IL_RGBA, IL_FLOAT, buffer);
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| 97 | ilSaveImage((char *const)filename.c_str());
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| 98 | delete buffer;
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[492] | 99 |
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| 100 | cout<<"done."<<endl<<flush;
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[191] | 101 |
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[162] | 102 | Exporter *exporter = NULL;
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[492] | 103 | if (1) {
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[162] | 104 | exporter = Exporter::GetExporter(filename + "-rays" + ".x3d");
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| 105 | exporter->SetFilled();
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[492] | 106 | if (sceneGraph)
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| 107 | exporter->ExportScene(sceneGraph->mRoot);
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| 108 |
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| 109 | //exporter->ExportKdTree(*tree);
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| 110 | //exporter->ExportBspTree(*bsptree);
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| 111 | exporter->ExportRays(rays, 2000);
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| 112 | exporter->SetFilled();
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[162] | 113 | int k =0;
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| 114 | for (int j=0; j < rays.size(); j++)
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[386] | 115 | if (rays[j]->kdLeaves.size()) {
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[492] | 116 | Ray *ray = rays[j];
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| 117 | int i;
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| 118 | if (0)
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| 119 | for (i= 0; i < ray->kdLeaves.size(); i++)
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| 120 | exporter->ExportBox(tree->GetBox(ray->kdLeaves[i]));
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| 121 | if (0)
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| 122 | for (i= 0; i < ray->testedObjects.size(); i++)
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| 123 | exporter->ExportIntersectable(ray->testedObjects[i]);
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| 124 |
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[162] | 125 | }
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[492] | 126 |
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[162] | 127 | delete exporter;
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| 128 | }
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| 129 |
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| 130 | return true;
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| 131 | }
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| 132 |
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| 133 |
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| 134 | void
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| 135 | Camera::SetupRay(Ray &ray, const int x, const int y)
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| 136 | {
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| 137 | Vector3 xv = mRight*((x - mWidth/2)/(float)mWidth);
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| 138 | Vector3 yv = mUp*((y - mHeight/2)/(float)mHeight);
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| 139 | Vector3 target = xv + yv + mDirection;
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| 140 |
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[466] | 141 | ray.Clear();
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[162] | 142 | ray.Init(mPosition, target, Ray::LOCAL_RAY);
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| 143 |
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| 144 | }
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