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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.ProgramStore.DepthFunc;
import android.util.Log;
enum TransformType {
NONE(0),
TRANSLATE(1),
ROTATE(2),
SCALE(3);
int mID;
TransformType(int id) {
mID = id;
}
}
public class SgTransform {
ScriptField_SgTransform mTransformField;
ScriptField_SgTransform mChildField;
public ScriptField_SgTransform.Item mTransformData;
RenderScript mRS;
Vector mChildren;
SgTransform mParent;
int mIndexInParentGroup;
public void setParent(SgTransform parent, int parentIndex) {
mParent = parent;
mIndexInParentGroup = parentIndex;
}
public void addChild(SgTransform child) {
mChildren.add(child);
child.setParent(this, mChildren.size() - 1);
}
public void setTransform(int index, Float4 value, TransformType type) {
mTransformData.transforms[index] = value;
mTransformData.transformTypes[index] = type.mID;
}
void initData() {
int numElements = mTransformData.transforms.length;
mTransformData.transformTypes = new int[numElements];
for (int i = 0; i < numElements; i ++) {
mTransformData.transforms[i] = new Float4(0, 0, 0, 0);
mTransformData.transformTypes[i] = TransformType.NONE.mID;
}
mTransformData.isDirty = 1;
mTransformData.children = null;
}
public SgTransform(RenderScript rs) {
mRS = rs;
mTransformData = new ScriptField_SgTransform.Item();
mChildren = new Vector();
initData();
}
public ScriptField_SgTransform.Item getData() {
if (mChildren.size() != 0) {
mChildField = new ScriptField_SgTransform(mRS, mChildren.size());
mTransformData.children = mChildField.getAllocation();
for (int i = 0; i < mChildren.size(); i ++) {
SgTransform child = (SgTransform)mChildren.get(i);
mChildField.set(child.getData(), i, false);
}
mChildField.copyAll();
}
return mTransformData;
}
public ScriptField_SgTransform getField() {
mTransformField = new ScriptField_SgTransform(mRS, 1);
mTransformField.set(getData(), 0, true);
return mTransformField;
}
}
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