Examples with FloatBuffer java.nio.FloatBuffer used on opensource projects

Example 66 with FloatBuffer

use of java.nio.FloatBuffer in project jmonkeyengine by jMonkeyEngine.

the class LODGeomap method createMesh.

public Mesh createMesh(Vector3f scale, Vector2f tcScale, Vector2f tcOffset, float offsetAmount, int totalSize, boolean center, int lod, boolean rightLod, boolean topLod, boolean leftLod, boolean bottomLod) {
    FloatBuffer pb = writeVertexArray(null, scale, center);
    FloatBuffer texb = writeTexCoordArray(null, tcOffset, tcScale, offsetAmount, totalSize);
    FloatBuffer nb = writeNormalArray(null, scale);
    Buffer ib;
    IndexBuffer idxB = writeIndexArrayLodDiff(lod, rightLod, topLod, leftLod, bottomLod, totalSize);
    if (idxB.getBuffer() instanceof IntBuffer)
        ib = (IntBuffer) idxB.getBuffer();
    else
        ib = (ShortBuffer) idxB.getBuffer();
    FloatBuffer bb = BufferUtils.createFloatBuffer(getWidth() * getHeight() * 3);
    FloatBuffer tanb = BufferUtils.createFloatBuffer(getWidth() * getHeight() * 3);
    writeTangentArray(nb, tanb, bb, texb, scale);
    Mesh m = new Mesh();
    m.setMode(Mode.TriangleStrip);
    m.setBuffer(Type.Position, 3, pb);
    m.setBuffer(Type.Normal, 3, nb);
    m.setBuffer(Type.Tangent, 3, tanb);
    m.setBuffer(Type.Binormal, 3, bb);
    m.setBuffer(Type.TexCoord, 2, texb);
    if (ib instanceof IntBuffer)
        m.setBuffer(Type.Index, 3, (IntBuffer) ib);
    else if (ib instanceof ShortBuffer)
        m.setBuffer(Type.Index, 3, (ShortBuffer) ib);
    m.setStatic();
    m.updateBound();
    return m;
}

Example 67 with FloatBuffer

use of java.nio.FloatBuffer in project jmonkeyengine by jMonkeyEngine.

the class GeoMap method createMesh.

public Mesh createMesh(Vector3f scale, Vector2f tcScale, boolean center) {
    FloatBuffer pb = writeVertexArray(null, scale, center);
    FloatBuffer tb = writeTexCoordArray(null, Vector2f.ZERO, tcScale);
    FloatBuffer nb = writeNormalArray(null, scale);
    IntBuffer ib = writeIndexArray(null);
    Mesh m = new Mesh();
    m.setBuffer(Type.Position, 3, pb);
    m.setBuffer(Type.Normal, 3, nb);
    m.setBuffer(Type.TexCoord, 2, tb);
    m.setBuffer(Type.Index, 3, ib);
    m.setStatic();
    m.updateBound();
    return m;
}

Example 68 with FloatBuffer

use of java.nio.FloatBuffer in project jmonkeyengine by jMonkeyEngine.

the class GeoMap method read.

public void read(JmeImporter im) throws IOException {
    InputCapsule ic = im.getCapsule(this);
    hdata = ic.readFloatArray("hdataarray", null);
    if (hdata == null) {
        FloatBuffer buf = ic.readFloatBuffer("hdata", null);
        if (buf != null) {
            hdata = new float[buf.limit()];
            buf.get(hdata);
        }
    }
    width = ic.readInt("width", 0);
    height = ic.readInt("height", 0);
    maxval = ic.readInt("maxval", 0);
}

Example 69 with FloatBuffer

use of java.nio.FloatBuffer in project jmonkeyengine by jMonkeyEngine.

the class BatchNode method updateSubBatch.

protected void updateSubBatch(Geometry bg) {
    Batch batch = batchesByGeom.get(bg);
    if (batch != null) {
        Mesh mesh = batch.geometry.getMesh();
        Mesh origMesh = bg.getMesh();
        VertexBuffer pvb = mesh.getBuffer(VertexBuffer.Type.Position);
        FloatBuffer posBuf = (FloatBuffer) pvb.getData();
        VertexBuffer nvb = mesh.getBuffer(VertexBuffer.Type.Normal);
        FloatBuffer normBuf = (FloatBuffer) nvb.getData();
        VertexBuffer opvb = origMesh.getBuffer(VertexBuffer.Type.Position);
        FloatBuffer oposBuf = (FloatBuffer) opvb.getData();
        VertexBuffer onvb = origMesh.getBuffer(VertexBuffer.Type.Normal);
        FloatBuffer onormBuf = (FloatBuffer) onvb.getData();
        Matrix4f transformMat = getTransformMatrix(bg);
        if (mesh.getBuffer(VertexBuffer.Type.Tangent) != null) {
            VertexBuffer tvb = mesh.getBuffer(VertexBuffer.Type.Tangent);
            FloatBuffer tanBuf = (FloatBuffer) tvb.getData();
            VertexBuffer otvb = origMesh.getBuffer(VertexBuffer.Type.Tangent);
            FloatBuffer otanBuf = (FloatBuffer) otvb.getData();
            doTransformsTangents(oposBuf, onormBuf, otanBuf, posBuf, normBuf, tanBuf, bg.startIndex, bg.startIndex + bg.getVertexCount(), transformMat);
            tvb.updateData(tanBuf);
        } else {
            doTransforms(oposBuf, onormBuf, posBuf, normBuf, bg.startIndex, bg.startIndex + bg.getVertexCount(), transformMat);
        }
        pvb.updateData(posBuf);
        nvb.updateData(normBuf);
        batch.geometry.updateModelBound();
    }
}

Example 70 with FloatBuffer

use of java.nio.FloatBuffer in project jmonkeyengine by jMonkeyEngine.

the class BatchNode method mergeGeometries.

/**
     * Merges all geometries in the collection into
     * the output mesh. Does not take into account materials.
     *
     * @param geometries
     * @param outMesh
     */
private void mergeGeometries(Mesh outMesh, List<Geometry> geometries) {
    int[] compsForBuf = new int[VertexBuffer.Type.values().length];
    VertexBuffer.Format[] formatForBuf = new VertexBuffer.Format[compsForBuf.length];
    boolean[] normForBuf = new boolean[VertexBuffer.Type.values().length];
    int totalVerts = 0;
    int totalTris = 0;
    int totalLodLevels = 0;
    int maxWeights = -1;
    Mesh.Mode mode = null;
    float lineWidth = 1f;
    for (Geometry geom : geometries) {
        totalVerts += geom.getVertexCount();
        totalTris += geom.getTriangleCount();
        totalLodLevels = Math.min(totalLodLevels, geom.getMesh().getNumLodLevels());
        if (maxVertCount < geom.getVertexCount()) {
            maxVertCount = geom.getVertexCount();
        }
        Mesh.Mode listMode;
        //float listLineWidth = 1f;
        int components;
        switch(geom.getMesh().getMode()) {
            case Points:
                listMode = Mesh.Mode.Points;
                components = 1;
                break;
            case LineLoop:
            case LineStrip:
            case Lines:
                listMode = Mesh.Mode.Lines;
                //listLineWidth = geom.getMesh().getLineWidth();
                components = 2;
                break;
            case TriangleFan:
            case TriangleStrip:
            case Triangles:
                listMode = Mesh.Mode.Triangles;
                components = 3;
                break;
            default:
                throw new UnsupportedOperationException();
        }
        for (VertexBuffer vb : geom.getMesh().getBufferList().getArray()) {
            int currentCompsForBuf = compsForBuf[vb.getBufferType().ordinal()];
            if (vb.getBufferType() != VertexBuffer.Type.Index && currentCompsForBuf != 0 && currentCompsForBuf != vb.getNumComponents()) {
                throw new UnsupportedOperationException("The geometry " + geom + " buffer " + vb.getBufferType() + " has different number of components than the rest of the meshes " + "(this: " + vb.getNumComponents() + ", expected: " + currentCompsForBuf + ")");
            }
            compsForBuf[vb.getBufferType().ordinal()] = vb.getNumComponents();
            formatForBuf[vb.getBufferType().ordinal()] = vb.getFormat();
            normForBuf[vb.getBufferType().ordinal()] = vb.isNormalized();
        }
        maxWeights = Math.max(maxWeights, geom.getMesh().getMaxNumWeights());
        if (mode != null && mode != listMode) {
            throw new UnsupportedOperationException("Cannot combine different" + " primitive types: " + mode + " != " + listMode);
        }
        mode = listMode;
        //Not needed anymore as lineWidth is now in RenderState and will be taken into account when merging according to the material
        //            if (mode == Mesh.Mode.Lines) {
        //                if (lineWidth != 1f && listLineWidth != lineWidth) {
        //                    throw new UnsupportedOperationException("When using Mesh Line mode, cannot combine meshes with different line width "
        //                            + lineWidth + " != " + listLineWidth);
        //                }
        //                lineWidth = listLineWidth;
        //            }
        compsForBuf[VertexBuffer.Type.Index.ordinal()] = components;
    }
    outMesh.setMaxNumWeights(maxWeights);
    outMesh.setMode(mode);
    //outMesh.setLineWidth(lineWidth);
    if (totalVerts >= 65536) {
        // make sure we create an UnsignedInt buffer so we can fit all of the meshes
        formatForBuf[VertexBuffer.Type.Index.ordinal()] = VertexBuffer.Format.UnsignedInt;
    } else {
        formatForBuf[VertexBuffer.Type.Index.ordinal()] = VertexBuffer.Format.UnsignedShort;
    }
    // generate output buffers based on retrieved info
    for (int i = 0; i < compsForBuf.length; i++) {
        if (compsForBuf[i] == 0) {
            continue;
        }
        Buffer data;
        if (i == VertexBuffer.Type.Index.ordinal()) {
            data = VertexBuffer.createBuffer(formatForBuf[i], compsForBuf[i], totalTris);
        } else {
            data = VertexBuffer.createBuffer(formatForBuf[i], compsForBuf[i], totalVerts);
        }
        VertexBuffer vb = new VertexBuffer(VertexBuffer.Type.values()[i]);
        vb.setupData(VertexBuffer.Usage.Dynamic, compsForBuf[i], formatForBuf[i], data);
        vb.setNormalized(normForBuf[i]);
        outMesh.setBuffer(vb);
    }
    int globalVertIndex = 0;
    int globalTriIndex = 0;
    for (Geometry geom : geometries) {
        Mesh inMesh = geom.getMesh();
        if (!isBatch(geom)) {
            geom.associateWithGroupNode(this, globalVertIndex);
        }
        int geomVertCount = inMesh.getVertexCount();
        int geomTriCount = inMesh.getTriangleCount();
        for (int bufType = 0; bufType < compsForBuf.length; bufType++) {
            VertexBuffer inBuf = inMesh.getBuffer(VertexBuffer.Type.values()[bufType]);
            VertexBuffer outBuf = outMesh.getBuffer(VertexBuffer.Type.values()[bufType]);
            if (outBuf == null) {
                continue;
            }
            if (VertexBuffer.Type.Index.ordinal() == bufType) {
                int components = compsForBuf[bufType];
                IndexBuffer inIdx = inMesh.getIndicesAsList();
                IndexBuffer outIdx = outMesh.getIndexBuffer();
                for (int tri = 0; tri < geomTriCount; tri++) {
                    for (int comp = 0; comp < components; comp++) {
                        int idx = inIdx.get(tri * components + comp) + globalVertIndex;
                        outIdx.put((globalTriIndex + tri) * components + comp, idx);
                    }
                }
            } else if (VertexBuffer.Type.Position.ordinal() == bufType) {
                FloatBuffer inPos = (FloatBuffer) inBuf.getData();
                FloatBuffer outPos = (FloatBuffer) outBuf.getData();
                doCopyBuffer(inPos, globalVertIndex, outPos, 3);
            } else if (VertexBuffer.Type.Normal.ordinal() == bufType || VertexBuffer.Type.Tangent.ordinal() == bufType) {
                FloatBuffer inPos = (FloatBuffer) inBuf.getData();
                FloatBuffer outPos = (FloatBuffer) outBuf.getData();
                doCopyBuffer(inPos, globalVertIndex, outPos, compsForBuf[bufType]);
                if (VertexBuffer.Type.Tangent.ordinal() == bufType) {
                    useTangents = true;
                }
            } else {
                if (inBuf == null) {
                    throw new IllegalArgumentException("Geometry " + geom.getName() + " has no " + outBuf.getBufferType() + " buffer whereas other geoms have. all geometries should have the same types of buffers.\n Try to use GeometryBatchFactory.alignBuffer() on the BatchNode before batching");
                } else if (outBuf == null) {
                    throw new IllegalArgumentException("Geometry " + geom.getName() + " has a " + outBuf.getBufferType() + " buffer whereas other geoms don't. all geometries should have the same types of buffers.\n Try to use GeometryBatchFactory.alignBuffer() on the BatchNode before batching");
                } else {
                    inBuf.copyElements(0, outBuf, globalVertIndex, geomVertCount);
                }
            }
        }
        globalVertIndex += geomVertCount;
        globalTriIndex += geomTriCount;
    }
}