Examples with Material com.jme3.material.Material used on opensource projects

Example 11 with Material

use of com.jme3.material.Material in project jmonkeyengine by jMonkeyEngine.

the class GeometryBatchFactory method mergeGeometries.

/**
     * Merges all geometries in the collection into
     * the output mesh. Creates a new material using the TextureAtlas.
     * 
     * @param geometries
     * @param outMesh
     */
public static void mergeGeometries(Collection<Geometry> geometries, Mesh outMesh) {
    int[] compsForBuf = new int[VertexBuffer.Type.values().length];
    Format[] formatForBuf = new Format[compsForBuf.length];
    boolean[] normForBuf = new boolean[VertexBuffer.Type.values().length];
    int totalVerts = 0;
    int totalTris = 0;
    int totalLodLevels = 0;
    int maxWeights = -1;
    Mode mode = null;
    for (Geometry geom : geometries) {
        totalVerts += geom.getVertexCount();
        totalTris += geom.getTriangleCount();
        totalLodLevels = Math.min(totalLodLevels, geom.getMesh().getNumLodLevels());
        Mode listMode;
        int components;
        switch(geom.getMesh().getMode()) {
            case Points:
                listMode = Mode.Points;
                components = 0;
                break;
            case LineLoop:
            case LineStrip:
            case Lines:
                listMode = Mode.Lines;
                components = 2;
                break;
            case TriangleFan:
            case TriangleStrip:
            case Triangles:
                listMode = 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() != 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;
        compsForBuf[Type.Index.ordinal()] = components;
    }
    outMesh.setMaxNumWeights(maxWeights);
    outMesh.setMode(mode);
    if (totalVerts >= 65536) {
        // make sure we create an UnsignedInt buffer so
        // we can fit all of the meshes
        formatForBuf[Type.Index.ordinal()] = Format.UnsignedInt;
    } else {
        formatForBuf[Type.Index.ordinal()] = 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 == Type.Index.ordinal()) {
            data = VertexBuffer.createBuffer(formatForBuf[i], compsForBuf[i], totalTris);
        } else {
            data = VertexBuffer.createBuffer(formatForBuf[i], compsForBuf[i], totalVerts);
        }
        VertexBuffer vb = new VertexBuffer(Type.values()[i]);
        vb.setupData(Usage.Static, 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();
        geom.computeWorldMatrix();
        Matrix4f worldMatrix = geom.getWorldMatrix();
        int geomVertCount = inMesh.getVertexCount();
        int geomTriCount = inMesh.getTriangleCount();
        for (int bufType = 0; bufType < compsForBuf.length; bufType++) {
            VertexBuffer inBuf = inMesh.getBuffer(Type.values()[bufType]);
            VertexBuffer outBuf = outMesh.getBuffer(Type.values()[bufType]);
            if (inBuf == null || outBuf == null) {
                continue;
            }
            if (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 (Type.Position.ordinal() == bufType) {
                FloatBuffer inPos = (FloatBuffer) inBuf.getDataReadOnly();
                FloatBuffer outPos = (FloatBuffer) outBuf.getData();
                doTransformVerts(inPos, globalVertIndex, outPos, worldMatrix);
            } else if (Type.Normal.ordinal() == bufType) {
                FloatBuffer inPos = (FloatBuffer) inBuf.getDataReadOnly();
                FloatBuffer outPos = (FloatBuffer) outBuf.getData();
                doTransformNorms(inPos, globalVertIndex, outPos, worldMatrix);
            } else if (Type.Tangent.ordinal() == bufType) {
                FloatBuffer inPos = (FloatBuffer) inBuf.getDataReadOnly();
                FloatBuffer outPos = (FloatBuffer) outBuf.getData();
                int components = inBuf.getNumComponents();
                doTransformTangents(inPos, globalVertIndex, components, outPos, worldMatrix);
            } else {
                inBuf.copyElements(0, outBuf, globalVertIndex, geomVertCount);
            }
        }
        globalVertIndex += geomVertCount;
        globalTriIndex += geomTriCount;
    }
}

Example 12 with Material

use of com.jme3.material.Material in project jmonkeyengine by jMonkeyEngine.

the class TextureAtlas method makeAtlasBatch.

/**
     * Creates one geometry out of the given root spatial and merges all single
     * textures into one texture of the given size.
     * @param spat The root spatial of the scene to batch
     * @param mgr An assetmanager that can be used to create the material.
     * @param atlasSize A size for the atlas texture, it has to be large enough to hold all single textures.
     * @return A new geometry that uses the generated texture atlas and merges all meshes of the root spatial, null if the atlas cannot be created because not all textures fit.
     */
public static Geometry makeAtlasBatch(Spatial spat, AssetManager mgr, int atlasSize) {
    List<Geometry> geometries = new ArrayList<Geometry>();
    GeometryBatchFactory.gatherGeoms(spat, geometries);
    TextureAtlas atlas = createAtlas(spat, atlasSize);
    if (atlas == null) {
        return null;
    }
    Geometry geom = new Geometry();
    Mesh mesh = new Mesh();
    GeometryBatchFactory.mergeGeometries(geometries, mesh);
    applyAtlasCoords(geometries, mesh, atlas);
    mesh.updateCounts();
    mesh.updateBound();
    geom.setMesh(mesh);
    Material mat = new Material(mgr, "Common/MatDefs/Light/Lighting.j3md");
    Texture diffuseMap = atlas.getAtlasTexture("DiffuseMap");
    Texture normalMap = atlas.getAtlasTexture("NormalMap");
    Texture specularMap = atlas.getAtlasTexture("SpecularMap");
    if (diffuseMap != null) {
        mat.setTexture("DiffuseMap", diffuseMap);
    }
    if (normalMap != null) {
        mat.setTexture("NormalMap", normalMap);
    }
    if (specularMap != null) {
        mat.setTexture("SpecularMap", specularMap);
    }
    mat.setFloat("Shininess", 16.0f);
    geom.setMaterial(mat);
    return geom;
}

Example 13 with Material

use of com.jme3.material.Material in project jmonkeyengine by jMonkeyEngine.

the class MaterialMatParamTest method material.

private void material(String path) {
    AssetManager assetManager = TestUtil.createAssetManager();
    geometry.setMaterial(new Material(assetManager, path));
}

Example 14 with Material

use of com.jme3.material.Material in project jmonkeyengine by jMonkeyEngine.

the class MaterialMatParamTest method testRemoveTexture.

@Test
public void testRemoveTexture() {
    material("Common/MatDefs/Light/Lighting.j3md");
    Texture2D tex = new Texture2D(128, 128, Format.RGBA8);
    reset();
    inputMpo(mpoTexture2D("DiffuseMap", tex));
    outDefines(def("DIFFUSEMAP", VarType.Texture2D, tex));
    outUniforms(uniform("DiffuseMap", VarType.Int, 0));
    outTextures(tex);
    reset();
    geometry.clearMatParamOverrides();
    root.updateGeometricState();
    outDefines();
    outUniforms();
    outTextures();
}

Example 15 with Material

use of com.jme3.material.Material in project jmonkeyengine by jMonkeyEngine.

the class MaterialMatParamTest method testRemoveTextureOverride.

@Test
public void testRemoveTextureOverride() {
    material("Common/MatDefs/Light/Lighting.j3md");
    Texture2D tex1 = new Texture2D(128, 128, Format.RGBA8);
    Texture2D tex2 = new Texture2D(128, 128, Format.RGBA8);
    reset();
    inputMp(mpoTexture2D("DiffuseMap", tex1));
    outDefines(def("DIFFUSEMAP", VarType.Texture2D, tex1));
    outUniforms(uniform("DiffuseMap", VarType.Int, 0));
    outTextures(tex1);
    reset();
    inputMpo(mpoTexture2D("DiffuseMap", tex2));
    outDefines(def("DIFFUSEMAP", VarType.Texture2D, tex2));
    outUniforms(uniform("DiffuseMap", VarType.Int, 0));
    outTextures(tex2);
    reset();
    geometry.clearMatParamOverrides();
    root.updateGeometricState();
    outDefines(def("DIFFUSEMAP", VarType.Texture2D, tex1));
    outUniforms(uniform("DiffuseMap", VarType.Int, 0));
    outTextures(tex1);
}