Kirill Vainer
9 years ago
commit
0aaa28e66b
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// |
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// This file is to be applied to some subproject. |
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// |
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apply plugin: 'com.jfrog.bintray' |
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bintray { |
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user = bintray_user |
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key = bintray_api_key |
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configurations = ['archives'] |
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dryRun = false |
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pkg { |
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repo = 'org.jmonkeyengine' |
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userOrg = 'jmonkeyengine' |
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name = project.name |
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desc = POM_DESCRIPTION |
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websiteUrl = POM_URL |
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licenses = ['BSD New'] |
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vcsUrl = POM_SCM_URL |
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labels = ['jmonkeyengine'] |
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} |
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} |
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bintrayUpload.dependsOn(writeFullPom) |
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bintrayUpload.onlyIf { |
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(bintray_api_key.length() > 0) && |
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!(version ==~ /.*SNAPSHOT/) |
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} |
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@ -0,0 +1,97 @@ |
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/* |
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* To change this license header, choose License Headers in Project Properties. |
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* To change this template file, choose Tools | Templates |
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* and open the template in the editor. |
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*/ |
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package com.jme3.util.mikktspace; |
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/** |
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* |
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* @author Nehon |
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*/ |
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public interface MikkTSpaceContext { |
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/** |
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* Returns the number of faces (triangles/quads) on the mesh to be |
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* processed. |
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* |
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* @return |
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*/ |
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public int getNumFaces(); |
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/** |
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* Returns the number of vertices on face number iFace iFace is a number in |
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* the range {0, 1, ..., getNumFaces()-1} |
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* |
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* @param face |
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* @return |
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*/ |
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public int getNumVerticesOfFace(int face); |
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/** |
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* returns the position/normal/texcoord of the referenced face of vertex |
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* number iVert. iVert is in the range {0,1,2} for triangles and {0,1,2,3} |
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* for quads. |
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* |
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* @param posOut |
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* @param face |
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* @param vert |
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*/ |
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public void getPosition(float posOut[], int face, int vert); |
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public void getNormal(float normOut[], int face, int vert); |
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public void getTexCoord(float texOut[], int face, int vert); |
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/** |
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* The call-backsetTSpaceBasic() is sufficient for basic normal mapping. |
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* This function is used to return the tangent and sign to the application. |
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* tangent is a unit length vector. For normal maps it is sufficient to use |
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* the following simplified version of the bitangent which is generated at |
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* pixel/vertex level. |
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* |
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* bitangent = fSign * cross(vN, tangent); |
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* |
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* Note that the results are returned unindexed. It is possible to generate |
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* a new index list But averaging/overwriting tangent spaces by using an |
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* already existing index list WILL produce INCRORRECT results. DO NOT! use |
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* an already existing index list. |
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* |
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* @param tangent |
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* @param sign |
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* @param face |
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* @param vert |
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*/ |
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public void setTSpaceBasic(float tangent[], float sign, int face, int vert); |
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/** |
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* This function is used to return tangent space results to the application. |
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* tangent and biTangent are unit length vectors and fMagS and fMagT are |
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* their true magnitudes which can be used for relief mapping effects. |
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* |
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* biTangent is the "real" bitangent and thus may not be perpendicular to |
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* tangent. However, both are perpendicular to the vertex normal. For normal |
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* maps it is sufficient to use the following simplified version of the |
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* bitangent which is generated at pixel/vertex level. |
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* |
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* <pre> |
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* fSign = bIsOrientationPreserving ? 1.0f : (-1.0f); |
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* bitangent = fSign * cross(vN, tangent); |
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* </pre> |
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* |
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* Note that the results are returned unindexed. It is possible to generate |
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* a new index list. But averaging/overwriting tangent spaces by using an |
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* already existing index list WILL produce INCRORRECT results. DO NOT! use |
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* an already existing index list. |
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* |
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* @param tangent |
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* @param biTangent |
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* @param magS |
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* @param magT |
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* @param isOrientationPreserving |
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* @param face |
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* @param vert |
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*/ |
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void setTSpace(float tangent[], float biTangent[], float magS, float magT, |
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boolean isOrientationPreserving, int face, int vert); |
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} |
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@ -0,0 +1,100 @@ |
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/* |
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* To change this license header, choose License Headers in Project Properties. |
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* To change this template file, choose Tools | Templates |
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* and open the template in the editor. |
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*/ |
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package com.jme3.util.mikktspace; |
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import com.jme3.scene.Mesh; |
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import com.jme3.scene.VertexBuffer; |
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import com.jme3.scene.mesh.IndexBuffer; |
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import com.jme3.util.BufferUtils; |
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import java.nio.FloatBuffer; |
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/** |
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* |
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* @author Nehon |
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*/ |
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public class MikkTSpaceImpl implements MikkTSpaceContext { |
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Mesh mesh; |
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public MikkTSpaceImpl(Mesh mesh) { |
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this.mesh = mesh; |
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VertexBuffer tangentBuffer = mesh.getBuffer(VertexBuffer.Type.Tangent); |
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if(tangentBuffer == null){ |
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FloatBuffer fb = BufferUtils.createFloatBuffer(mesh.getVertexCount() * 4); |
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mesh.setBuffer(VertexBuffer.Type.Tangent, 4, fb); |
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} |
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//TODO ensure the Tangent buffer exists, else create one.
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} |
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@Override |
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public int getNumFaces() { |
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return mesh.getTriangleCount(); |
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} |
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@Override |
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public int getNumVerticesOfFace(int face) { |
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return 3; |
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} |
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@Override |
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public void getPosition(float[] posOut, int face, int vert) { |
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int vertIndex = getIndex(face, vert); |
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VertexBuffer position = mesh.getBuffer(VertexBuffer.Type.Position); |
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FloatBuffer pos = (FloatBuffer) position.getData(); |
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pos.position(vertIndex * 3); |
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posOut[0] = pos.get(); |
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posOut[1] = pos.get(); |
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posOut[2] = pos.get(); |
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} |
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@Override |
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public void getNormal(float[] normOut, int face, int vert) { |
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int vertIndex = getIndex(face, vert); |
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VertexBuffer normal = mesh.getBuffer(VertexBuffer.Type.Normal); |
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FloatBuffer norm = (FloatBuffer) normal.getData(); |
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norm.position(vertIndex * 3); |
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normOut[0] = norm.get(); |
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normOut[1] = norm.get(); |
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normOut[2] = norm.get(); |
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} |
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@Override |
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public void getTexCoord(float[] texOut, int face, int vert) { |
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int vertIndex = getIndex(face, vert); |
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VertexBuffer texCoord = mesh.getBuffer(VertexBuffer.Type.TexCoord); |
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FloatBuffer tex = (FloatBuffer) texCoord.getData(); |
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tex.position(vertIndex * 2); |
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texOut[0] = tex.get(); |
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texOut[1] = tex.get(); |
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} |
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@Override |
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public void setTSpaceBasic(float[] tangent, float sign, int face, int vert) { |
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int vertIndex = getIndex(face, vert); |
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VertexBuffer tangentBuffer = mesh.getBuffer(VertexBuffer.Type.Tangent); |
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FloatBuffer tan = (FloatBuffer) tangentBuffer.getData(); |
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tan.position(vertIndex * 4); |
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tan.put(tangent); |
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tan.put(sign); |
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tan.rewind(); |
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tangentBuffer.setUpdateNeeded(); |
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} |
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@Override |
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public void setTSpace(float[] tangent, float[] biTangent, float magS, float magT, boolean isOrientationPreserving, int face, int vert) { |
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//Do nothing
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} |
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private int getIndex(int face, int vert) { |
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IndexBuffer index = mesh.getIndexBuffer(); |
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int vertIndex = index.get(face * 3 + vert); |
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return vertIndex; |
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} |
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} |
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