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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.modelviewer;
import java.io.Writer;
import java.util.Map;
import java.util.Vector;
import android.content.res.Resources;
import android.renderscript.*;
import android.renderscript.Element.Builder;
import android.renderscript.Font.Style;
import android.renderscript.ProgramStore.DepthFunc;
import android.util.Log;
public class SceneGraphRS {
private final int STATE_LAST_FOCUS = 1;
int mWidth;
int mHeight;
int mRotation;
public SceneGraphRS() {
}
public void init(RenderScriptGL rs, Resources res, int width, int height) {
mRS = rs;
mRes = res;
mWidth = width;
mHeight = height;
mRotation = 0;
initRS();
}
private Resources mRes;
private RenderScriptGL mRS;
private Sampler mSampler;
private ProgramStore mPSBackground;
private ProgramFragment mPFBackground;
private ProgramVertex mPVBackground;
private ProgramVertexFixedFunction.Constants mPVA;
private Allocation mGridImage;
private Allocation mAllocPV;
private Mesh mMesh;
private Font mItalic;
private Allocation mTextAlloc;
private ScriptC_scenegraph mScript;
private ScriptC_transform mTransformScript;
int mLastX;
int mLastY;
public void touchEvent(int x, int y) {
int dx = mLastX - x;
if (Math.abs(dx) > 50 || Math.abs(dx) < 3) {
dx = 0;
}
mRotation -= dx;
if (mRotation > 360) {
mRotation -= 360;
}
if (mRotation < 0) {
mRotation += 360;
}
mScript.set_gRotate(-(float)mRotation);
mLastX = x;
mLastY = y;
}
private void initPFS() {
ProgramStore.Builder b = new ProgramStore.Builder(mRS);
b.setDepthFunc(ProgramStore.DepthFunc.LESS);
b.setDitherEnabled(false);
b.setDepthMaskEnabled(true);
mPSBackground = b.create();
mScript.set_gPFSBackground(mPSBackground);
}
private void initPF() {
Sampler.Builder bs = new Sampler.Builder(mRS);
bs.setMinification(Sampler.Value.LINEAR);
bs.setMagnification(Sampler.Value.LINEAR);
bs.setWrapS(Sampler.Value.CLAMP);
bs.setWrapT(Sampler.Value.CLAMP);
mSampler = bs.create();
ProgramFragmentFixedFunction.Builder b = new ProgramFragmentFixedFunction.Builder(mRS);
b.setTexture(ProgramFragmentFixedFunction.Builder.EnvMode.REPLACE,
ProgramFragmentFixedFunction.Builder.Format.RGBA, 0);
mPFBackground = b.create();
mPFBackground.bindSampler(mSampler, 0);
mScript.set_gPFBackground(mPFBackground);
}
private void initPV() {
ProgramVertexFixedFunction.Builder pvb = new ProgramVertexFixedFunction.Builder(mRS);
mPVBackground = pvb.create();
mPVA = new ProgramVertexFixedFunction.Constants(mRS);
((ProgramVertexFixedFunction)mPVBackground).bindConstants(mPVA);
mScript.set_gPVBackground(mPVBackground);
}
private void loadImage() {
mGridImage = Allocation.createFromBitmapResource(mRS, mRes, R.drawable.robot,
Allocation.MipmapControl.MIPMAP_ON_SYNC_TO_TEXTURE,
Allocation.USAGE_GRAPHICS_TEXTURE);
mScript.set_gTGrid(mGridImage);
}
private void initTextAllocation() {
String allocString = "Displaying file: R.raw.robot";
mTextAlloc = Allocation.createFromString(mRS, allocString, Allocation.USAGE_SCRIPT);
mScript.set_gTextAlloc(mTextAlloc);
}
SgTransform mRootTransform;
SgTransform mGroup1;
SgTransform mRobot1;
SgTransform mRobot2;
void initTransformHierarchy() {
mRootTransform = new SgTransform(mRS);
mGroup1 = new SgTransform(mRS);
mRootTransform.addChild(mGroup1);
mRobot1 = new SgTransform(mRS);
mRobot2 = new SgTransform(mRS);
mGroup1.addChild(mRobot1);
mGroup1.addChild(mRobot2);
mGroup1.setTransform(0, new Float4(0.0f, 0.0f, -15.0f, 0.0f), TransformType.TRANSLATE);
mGroup1.setTransform(1, new Float4(0.0f, 1.0f, 0.0f, 15.0f), TransformType.ROTATE);
mRobot1.setTransform(0, new Float4(-3.0f, -0.5f, 0.0f, 0.0f), TransformType.TRANSLATE);
mRobot1.setTransform(1, new Float4(0.0f, 1.0f, 0.0f, 20.0f), TransformType.ROTATE);
mRobot1.setTransform(2, new Float4(0.2f, 0.2f, 0.2f, 0.0f), TransformType.SCALE);
mRobot2.setTransform(0, new Float4(3.0f, 0.0f, 0.0f, 0.0f), TransformType.TRANSLATE);
mRobot2.setTransform(1, new Float4(0.0f, 1.0f, 0.0f, -20.0f), TransformType.ROTATE);
mRobot2.setTransform(2, new Float4(0.3f, 0.3f, 0.3f, 0.0f), TransformType.SCALE);
}
private void initRS() {
mScript = new ScriptC_scenegraph(mRS, mRes, R.raw.scenegraph);
mTransformScript = new ScriptC_transform(mRS, mRes, R.raw.transform);
mTransformScript.set_transformScript(mTransformScript);
mScript.set_gTransformRS(mTransformScript);
initPFS();
initPF();
initPV();
loadImage();
FileA3D model = FileA3D.createFromResource(mRS, mRes, R.raw.robot);
FileA3D.IndexEntry entry = model.getIndexEntry(0);
if (entry == null || entry.getEntryType() != FileA3D.EntryType.MESH) {
Log.e("rs", "could not load model");
} else {
mMesh = (Mesh)entry.getObject();
mScript.set_gTestMesh(mMesh);
}
mItalic = Font.create(mRS, mRes, "serif", Font.Style.ITALIC, 8);
mScript.set_gItalic(mItalic);
initTextAllocation();
initTransformHierarchy();
mScript.bind_gRootNode(mRootTransform.getField());
mScript.bind_gGroup(mGroup1.mParent.mChildField);
mScript.bind_gRobot1(mRobot1.mParent.mChildField);
mScript.set_gRobot1Index(mRobot1.mIndexInParentGroup);
mScript.bind_gRobot2(mRobot2.mParent.mChildField);
mScript.set_gRobot2Index(mRobot2.mIndexInParentGroup);
mRS.bindRootScript(mScript);
}
}
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