md2tojme.java

java 3d game jme 工程开发源代码

                                    indices.add(i1);
                                    break;
                                }
                            }
                        }
                    }
                    int[] indexArray = new int[indices.size()];
                    for (int x = 0; x < indexArray.length; x++) {
                        indexArray[x] = indices.get(x).intValue();
                    }

                    triMesh[0].setIndexBuffer(BufferUtils
                            .createIntBuffer(indexArray));
                    triMesh[0]
                            .setTextureCoords(TexCoords.makeNew(extractTexCoords(
                                            vectorTexcoords, texVerts, indices
                                                    .size())));
                    controller.setMorphingMesh(triMesh[0]);

                } // End if (i==0)

                final Vector3f[] allVerts = extractVertices(vectorTexcoords,
                        uniqueVerts);
                triMesh[i].setVertexBuffer(BufferUtils
                        .createFloatBuffer(allVerts));

                final Vector3f[] allNorms = extractNormals(vectorTexcoords,
                        uniqueNorms);
                triMesh[i].setNormalBuffer(BufferUtils
                        .createFloatBuffer(allNorms));

                controller.setKeyframe(i, triMesh[i]);
            }

            mesh.addController(controller);
        }

        private Vector3f[] extractVertices(
                final List<VectorTex> vectorTexcoords,
                final Vector3f[] uniqueVerts) {
            final List<Vector3f> ret = new ArrayList<Vector3f>();
            for (int i = 0; i < vectorTexcoords.size(); i++) {
                VectorTex vectorTex = vectorTexcoords.get(i);
                final Vector3f vert = uniqueVerts[vectorTex.v];
                ret.add(vert);
            }
            return ret.toArray(new Vector3f[ret.size()]);
        }

        private Vector3f[] extractNormals(
                final List<VectorTex> vectorTexcoords,
                final Vector3f[] uniqueNormals) {
            final List<Vector3f> ret = new ArrayList<Vector3f>();
            for (int i = 0; i < vectorTexcoords.size(); i++) {
                VectorTex vectorTex = vectorTexcoords.get(i);
                final Vector3f norm = uniqueNormals[vectorTex.v];
                ret.add(norm);
            }
            return ret.toArray(new Vector3f[ret.size()]);
        }

        private Vector2f[] extractTexCoords(
                final List<VectorTex> vectorTexcoords,
                final Vector2f[] texVerts, final int coordCount) {
            final Vector2f[] ret = new Vector2f[coordCount];
            int count = 0;
            for (int i = 0; i < vectorTexcoords.size(); i++) {
                VectorTex vectorTex = vectorTexcoords.get(i);
                final Vector2f vert = texVerts[vectorTex.t];
                ret[count++] = vert;
            }
            return ret;
        }

        // This holds the header information that is read in at the beginning of
        // the file
        private class Header {
            int magic; // This is used to identify the file
            int version; // The version number of the file (Must be 8)
            int skinWidth; // The skin width in pixels
            int skinHeight; // The skin height in pixels
            int frameSize; // The size in bytes the frames are
            int numSkins; // The number of skins associated with the model
            int numVertices; // The number of vertices (constant for each
            // frame)
            int numTexCoords; // The number of texture coordinates
            int numTriangles; // The number of faces (polygons)
            int numGlCommands; // The number of gl commands
            int numFrames; // The number of animation frames
            int offsetSkins; // The offset in the file for the skin data
            int offsetTexCoords; // The offset in the file for the texture
            // data
            int offsetTriangles; // The offset in the file for the face data
            int offsetFrames; // The offset in the file for the frames data
            int offsetGlCommands;
            // The offset in the file for the gl commands data
            int offsetEnd; // The end of the file offset

            Header() {
                magic = bis.readInt();
                version = bis.readInt();
                skinWidth = bis.readInt();
                skinHeight = bis.readInt();
                frameSize = bis.readInt();
                numSkins = bis.readInt();
                numVertices = bis.readInt();
                numTexCoords = bis.readInt();
                numTriangles = bis.readInt();
                numGlCommands = bis.readInt();
                numFrames = bis.readInt();
                offsetSkins = bis.readInt();
                offsetTexCoords = bis.readInt();
                offsetTriangles = bis.readInt();
                offsetFrames = bis.readInt();
                offsetGlCommands = bis.readInt();
                offsetEnd = bis.readInt();
            }

        };

        // This stores the normals and vertices for the frames
        private class Triangle {
            Vector3f vertex = new Vector3f();
            Vector3f normal = new Vector3f();
        };

        // This stores the indices into the vertex and texture coordinate arrays
        private class Md2Face {
            int[] vertexIndices = new int[3]; // short
            int[] textureIndices = new int[3]; // short

            Md2Face() {
                vertexIndices = new int[] { bis.readShort(), bis.readShort(),
                        bis.readShort() };
                textureIndices = new int[] { bis.readShort(), bis.readShort(),
                        bis.readShort() };
            }
        };

        // This stores the animation scale, translation and name information for
        // a
        // frame, plus verts
        private class VectorKeyframe {
            private Vector3f scale = new Vector3f();
            private Vector3f translate = new Vector3f();
            private String name;

            VectorKeyframe() {
                scale.x = bis.readFloat();
                scale.y = bis.readFloat();
                scale.z = bis.readFloat();

                translate.x = bis.readFloat();
                translate.y = bis.readFloat();
                translate.z = bis.readFloat();
                name = bis.readString(16);
            }
        };

        // This stores the frames vertices after they have been transformed
        private class Md2Frame {
            String name; // char [16]
            Triangle[] vertices;

            Md2Frame() {
            }
        };
    }

    /**
     * This function returns the KeyframeController that animates an MD2
     * converted mesh. Null is returned if a KeyframeController cannot be found.
     * 
     * @param model
     *            The MD2 mesh.
     * @return This mesh's controller.
     */
    public static KeyframeController findController(Node model) {
        if (model.getQuantity() == 0
                || model.getChild(0).getControllers().size() == 0
                || !(model.getChild(0).getController(0) instanceof KeyframeController))
            return null;
        return (KeyframeController) model.getChild(0).getController(0);
    }

    private static final float[][] norms = {
            { -0.525731f, 0.000000f, 0.850651f },
            { -0.442863f, 0.238856f, 0.864188f },
            { -0.295242f, 0.000000f, 0.955423f },
            { -0.309017f, 0.500000f, 0.809017f },
            { -0.162460f, 0.262866f, 0.951056f },
            { 0.000000f, 0.000000f, 1.000000f },
            { 0.000000f, 0.850651f, 0.525731f },
            { -0.147621f, 0.716567f, 0.681718f },
            { 0.147621f, 0.716567f, 0.681718f },
            { 0.000000f, 0.525731f, 0.850651f },
            { 0.309017f, 0.500000f, 0.809017f },
            { 0.525731f, 0.000000f, 0.850651f },
            { 0.295242f, 0.000000f, 0.955423f },
            { 0.442863f, 0.238856f, 0.864188f },
            { 0.162460f, 0.262866f, 0.951056f },
            { -0.681718f, 0.147621f, 0.716567f },
            { -0.809017f, 0.309017f, 0.500000f },
            { -0.587785f, 0.425325f, 0.688191f },
            { -0.850651f, 0.525731f, 0.000000f },
            { -0.864188f, 0.442863f, 0.238856f },
            { -0.716567f, 0.681718f, 0.147621f },
            { -0.688191f, 0.587785f, 0.425325f },
            { -0.500000f, 0.809017f, 0.309017f },
            { -0.238856f, 0.864188f, 0.442863f },
            { -0.425325f, 0.688191f, 0.587785f },
            { -0.716567f, 0.681718f, -0.147621f },
            { -0.500000f, 0.809017f, -0.309017f },
            { -0.525731f, 0.850651f, 0.000000f },
            { 0.000000f, 0.850651f, -0.525731f },
            { -0.238856f, 0.864188f, -0.442863f },
            { 0.000000f, 0.955423f, -0.295242f },
            { -0.262866f, 0.951056f, -0.162460f },
            { 0.000000f, 1.000000f, 0.000000f },
            { 0.000000f, 0.955423f, 0.295242f },
            { -0.262866f, 0.951056f, 0.162460f },
            { 0.238856f, 0.864188f, 0.442863f },
            { 0.262866f, 0.951056f, 0.162460f },
            { 0.500000f, 0.809017f, 0.309017f },
            { 0.238856f, 0.864188f, -0.442863f },
            { 0.262866f, 0.951056f, -0.162460f },
            { 0.500000f, 0.809017f, -0.309017f },
            { 0.850651f, 0.525731f, 0.000000f },
            { 0.716567f, 0.681718f, 0.147621f },
            { 0.716567f, 0.681718f, -0.147621f },
            { 0.525731f, 0.850651f, 0.000000f },
            { 0.425325f, 0.688191f, 0.587785f },
            { 0.864188f, 0.442863f, 0.238856f },
            { 0.688191f, 0.587785f, 0.425325f },
            { 0.809017f, 0.309017f, 0.500000f },
            { 0.681718f, 0.147621f, 0.716567f },
            { 0.587785f, 0.425325f, 0.688191f },
            { 0.955423f, 0.295242f, 0.000000f },
            { 1.000000f, 0.000000f, 0.000000f },
            { 0.951056f, 0.162460f, 0.262866f },
            { 0.850651f, -0.525731f, 0.000000f },
            { 0.955423f, -0.295242f, 0.000000f },
            { 0.864188f, -0.442863f, 0.238856f },
            { 0.951056f, -0.162460f, 0.262866f },
            { 0.809017f, -0.309017f, 0.500000f },
            { 0.681718f, -0.147621f, 0.716567f },
            { 0.850651f, 0.000000f, 0.525731f },
            { 0.864188f, 0.442863f, -0.238856f },
            { 0.809017f, 0.309017f, -0.500000f },
            { 0.951056f, 0.162460f, -0.262866f },
            { 0.525731f, 0.000000f, -0.850651f },
            { 0.681718f, 0.147621f, -0.716567f },
            { 0.681718f, -0.147621f, -0.716567f },
            { 0.850651f, 0.000000f, -0.525731f },
            { 0.809017f, -0.309017f, -0.500000f },
            { 0.864188f, -0.442863f, -0.238856f },
            { 0.951056f, -0.162460f, -0.262866f },
            { 0.147621f, 0.716567f, -0.681718f },
            { 0.309017f, 0.500000f, -0.809017f },
            { 0.425325f, 0.688191f, -0.587785f },
            { 0.442863f, 0.238856f, -0.864188f },
            { 0.587785f, 0.425325f, -0.688191f },
            { 0.688191f, 0.587785f, -0.425325f },
            { -0.147621f, 0.716567f, -0.681718f },
            { -0.309017f, 0.500000f, -0.809017f },
            { 0.000000f, 0.525731f, -0.850651f },
            { -0.525731f, 0.000000f, -0.850651f },
            { -0.442863f, 0.238856f, -0.864188f },
            { -0.295242f, 0.000000f, -0.955423f },
            { -0.162460f, 0.262866f, -0.951056f },
            { 0.000000f, 0.000000f, -1.000000f },
            { 0.295242f, 0.000000f, -0.955423f },
            { 0.162460f, 0.262866f, -0.951056f },
            { -0.442863f, -0.238856f, -0.864188f },
            { -0.309017f, -0.500000f, -0.809017f },
            { -0.162460f, -0.262866f, -0.951056f },
            { 0.000000f, -0.850651f, -0.525731f },
            { -0.147621f, -0.716567f, -0.681718f },
            { 0.147621f, -0.716567f, -0.681718f },
            { 0.000000f, -0.525731f, -0.850651f },
            { 0.309017f, -0.500000f, -0.809017f },
            { 0.442863f, -0.238856f, -0.864188f },
            { 0.162460f, -0.262866f, -0.951056f },
            { 0.238856f, -0.864188f, -0.442863f },
            { 0.500000f, -0.809017f, -0.309017f },
            { 0.425325f, -0.688191f, -0.587785f },
            { 0.716567f, -0.681718f, -0.147621f },
            { 0.688191f, -0.587785f, -0.425325f },
            { 0.587785f, -0.425325f, -0.688191f },
            { 0.000000f, -0.955423f, -0.295242f },
            { 0.000000f, -1.000000f, 0.000000f },
            { 0.262866f, -0.951056f, -0.162460f },
            { 0.000000f, -0.850651f, 0.525731f },
            { 0.000000f, -0.955423f, 0.295242f },
            { 0.238856f, -0.864188f, 0.442863f },
            { 0.262866f, -0.951056f, 0.162460f },
            { 0.500000f, -0.809017f, 0.309017f },
            { 0.716567f, -0.681718f, 0.147621f },
            { 0.525731f, -0.850651f, 0.000000f },
            { -0.238856f, -0.864188f, -0.442863f },
            { -0.500000f, -0.809017f, -0.309017f },
            { -0.262866f, -0.951056f, -0.162460f },
            { -0.850651f, -0.525731f, 0.000000f },
            { -0.716567f, -0.681718f, -0.147621f },
            { -0.716567f, -0.681718f, 0.147621f },
            { -0.525731f, -0.850651f, 0.000000f },
            { -0.500000f, -0.809017f, 0.309017f },
            { -0.238856f, -0.864188f, 0.442863f },
            { -0.262866f, -0.951056f, 0.162460f },
            { -0.864188f, -0.442863f, 0.238856f },
            { -0.809017f, -0.309017f, 0.500000f },
            { -0.688191f, -0.587785f, 0.425325f },
            { -0.681718f, -0.147621f, 0.716567f },
            { -0.442863f, -0.238856f, 0.864188f },
            { -0.587785f, -0.425325f, 0.688191f },
            { -0.309017f, -0.500000f, 0.809017f },
            { -0.147621f, -0.716567f, 0.681718f },
            { -0.425325f, -0.688191f, 0.587785f },
            { -0.162460f, -0.262866f, 0.951056f },
            { 0.442863f, -0.238856f, 0.864188f },
            { 0.162460f, -0.262866f, 0.951056f },
            { 0.309017f, -0.500000f, 0.809017f },
            { 0.147621f, -0.716567f, 0.681718f },
            { 0.000000f, -0.525731f, 0.850651f },
            { 0.425325f, -0.688191f, 0.587785f },
            { 0.587785f, -0.425325f, 0.688191f },
            { 0.688191f, -0.587785f, 0.425325f },
            { -0.955423f, 0.295242f, 0.000000f },
            { -0.951056f, 0.162460f, 0.262866f },
            { -1.000000f, 0.000000f, 0.000000f },
            { -0.850651f, 0.000000f, 0.525731f },
            { -0.955423f, -0.295242f, 0.000000f },
            { -0.951056f, -0.162460f, 0.262866f },
            { -0.864188f, 0.442863f, -0.238856f },
            { -0.951056f, 0.162460f, -0.262866f },
            { -0.809017f, 0.309017f, -0.500000f },
            { -0.864188f, -0.442863f, -0.238856f },
            { -0.951056f, -0.162460f, -0.262866f },
            { -0.809017f, -0.309017f, -0.500000f },
            { -0.681718f, 0.147621f, -0.716567f },
            { -0.681718f, -0.147621f, -0.716567f },
            { -0.850651f, 0.000000f, -0.525731f },
            { -0.688191f, 0.587785f, -0.425325f },
            { -0.587785f, 0.425325f, -0.688191f },
            { -0.425325f, 0.688191f, -0.587785f },
            { -0.425325f, -0.688191f, -0.587785f },
            { -0.587785f, -0.425325f, -0.688191f },
            { -0.688191f, -0.587785f, -0.425325f } };

}