[2980] | 1 | #include "EntityMerger.h"
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| 2 | #include "Transform3.h"
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| 3 | #include "SceneEntity.h"
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| 4 | #include "Shape.h"
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| 5 | #include "Geometry.h"
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| 6 |
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| 7 |
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| 8 | using namespace std;
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| 9 |
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| 10 |
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| 11 | namespace CHCDemoEngine
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| 12 | {
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| 13 |
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| 14 | EntityMerger::EntityMerger(SceneEntity *entity1, SceneEntity *entity2):
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| 15 | mEntity1(entity1), mEntity2(entity2)
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| 16 | {}
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| 17 |
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| 18 |
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| 19 | EntityMerger::~EntityMerger()
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| 20 | {}
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| 21 |
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| 22 |
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| 23 | SceneEntity *EntityMerger::Merge()
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| 24 | {
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| 25 | Shape *shape1 = mEntity1->GetShape(0);
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| 26 | Shape *shape2 = mEntity2->GetShape(0);
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| 27 |
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| 28 | SceneEntity *ent = new SceneEntity(new Transform3());
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| 29 |
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| 30 | Shape *shape = MergeShapes(shape1, shape2, ent);
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| 31 |
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[3070] | 32 | LODLevel lodLevel(0);
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[2980] | 33 |
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[3070] | 34 | lodLevel.AddShape(shape);
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[2980] | 35 | ent->AddLODLevel(lodLevel);
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| 36 |
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| 37 | return ent;
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| 38 | }
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| 39 |
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| 40 |
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| 41 | Shape *EntityMerger::MergeShapes(Shape *shape1, Shape *shape2, SceneEntity *parent)
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| 42 | {
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| 43 | Material *mat = shape1->GetMaterial();
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| 44 |
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| 45 | Geometry *geom1 = shape1->GetGeometry();
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| 46 | Geometry *geom2 = shape2->GetGeometry();
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| 47 |
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| 48 | Geometry *geom = MergeGeometry(geom1, geom2);
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| 49 |
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[3071] | 50 | Shape *shape = new Shape(geom, mat);
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[2980] | 51 |
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| 52 | return shape;
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| 53 | }
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| 54 |
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| 55 |
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| 56 | Geometry *EntityMerger::MergeGeometry(Geometry *geom1, Geometry *geom2)
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| 57 | {
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| 58 | const int size1 = geom1->GetNumTriangles() * 3;
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| 59 | const int size2 = geom2->GetNumTriangles() * 3;
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| 60 |
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| 61 | const int size = size1 + size2;
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| 62 |
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| 63 | Vector3 *vertices = new Vector3[size];
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| 64 | Vector3 *normals = new Vector3[size];
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| 65 |
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| 66 | Texcoord2 *texcoords;
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| 67 |
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| 68 | if (geom1->mTexCoords && geom2->mTexCoords)
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| 69 | texcoords = new Texcoord2[size];
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| 70 | else
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| 71 | texcoords = NULL;
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| 72 |
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| 73 | int i = 0;
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| 74 |
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| 75 | for (; i < size1; ++ i)
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| 76 | {
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| 77 | vertices[i] = geom1->mVertices[i];
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| 78 | normals[i] = geom1->mNormals[i];
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| 79 |
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| 80 | if (texcoords)
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| 81 | texcoords[i] = geom1->mTexCoords[i];
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| 82 | }
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| 83 |
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| 84 | for (; i < size; ++ i)
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| 85 | {
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| 86 | int idx = i - size1;
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| 87 | vertices[i] = geom2->mVertices[idx];
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| 88 | normals[i] = geom2->mNormals[idx];
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| 89 |
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| 90 | if (texcoords) texcoords[i] = geom2->mTexCoords[idx];
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| 91 | }
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| 92 |
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| 93 | Geometry *geom = new Geometry(vertices, normals, texcoords, size, true);
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| 94 |
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| 95 | return geom;
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| 96 | }
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| 97 |
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| 98 |
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| 99 | Shape *EntityMerger::MergeShapes(const ShapeContainer &shapes, SceneEntity *parent)
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| 100 | {
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| 101 | /*Material *mat = shape1->GetMaterial();
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| 102 |
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| 103 | Geometry *geom1 = shape1->GetGeometry();
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| 104 | Geometry *geom2 = shape2->GetGeometry();
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| 105 |
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| 106 | Geometry *geom = MergeGeometry(geometries);
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| 107 |
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| 108 | Shape *shape = new Shape(geom, mat, parent);
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| 109 |
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| 110 | return shape;*/
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| 111 | return NULL;
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| 112 | }
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| 113 |
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| 114 |
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| 115 | Geometry *EntityMerger::MergeGeometries(const GeometryContainer &geometries)
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| 116 | {
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| 117 | int size = 0;
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| 118 | bool hasTexCoords = true;
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| 119 |
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| 120 | for (size_t i = 0; i < geometries.size(); ++ i)
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| 121 | {
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| 122 | Geometry *geom = geometries[i];
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| 123 | size += geom->GetNumTriangles() * 3;
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| 124 |
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| 125 | if (geom->mTexCoords)
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| 126 | hasTexCoords = false;
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| 127 | }
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| 128 |
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| 129 | Vector3 *vertices = new Vector3[size];
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| 130 | Vector3 *normals = new Vector3[size];
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| 131 |
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| 132 | Texcoord2 *texcoords;
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| 133 |
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| 134 | if (hasTexCoords)
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| 135 | texcoords = new Texcoord2[size];
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| 136 | else
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| 137 | texcoords = NULL;
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| 138 |
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| 139 | int totalIdx = 0;
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| 140 |
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| 141 | for (size_t i = 0; i < geometries.size(); ++ i)
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| 142 | {
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| 143 | Geometry *geom = geometries[i];
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| 144 |
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| 145 | for (int j = 0; j < geom->GetNumTriangles() * 3; ++ j)
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| 146 | {
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| 147 | vertices[totalIdx + j] = geom->mVertices[j];
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| 148 | normals[totalIdx + j] = geom->mNormals[j];
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| 149 |
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| 150 | if (hasTexCoords) texcoords[totalIdx + j] = geom->mTexCoords[j];
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| 151 | }
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| 152 |
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| 153 | totalIdx += geom->GetNumTriangles() * 3;
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| 154 | }
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| 155 |
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| 156 |
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| 157 | Geometry *geom = new Geometry(vertices, normals, texcoords, size, true);
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| 158 |
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| 159 | return geom;
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| 160 | }
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| 161 |
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| 162 | } |
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