1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.scenegraph; 18 19 import java.lang.Math; 20 import java.util.ArrayList; 21 22 import com.android.scenegraph.SceneManager; 23 24 import android.renderscript.*; 25 import android.renderscript.Float3; 26 import android.renderscript.Matrix4f; 27 import android.util.Log; 28 29 /** 30 * @hide 31 */ 32 public class CompoundTransform extends Transform { 33 34 public static abstract class Component { 35 String mName; 36 CompoundTransform mParent; 37 int mParentIndex; 38 protected ScriptField_TransformComponent_s.Item mData; 39 40 Component(int type, String name) { 41 mData = new ScriptField_TransformComponent_s.Item(); 42 mData.type = type; 43 mName = name; 44 } 45 46 void setNameAlloc() { 47 RenderScriptGL rs = SceneManager.getRS(); 48 if (mData.name != null) { 49 return; 50 } 51 mData.name = SceneManager.getCachedAlloc(getName()); 52 if (mData.name == null) { 53 mData.name = SceneManager.getStringAsAllocation(rs, getName()); 54 SceneManager.cacheAlloc(getName(), mData.name); 55 } 56 } 57 58 ScriptField_TransformComponent_s.Item getRSData() { 59 setNameAlloc(); 60 return mData; 61 } 62 63 protected void update() { 64 if (mParent != null) { 65 mParent.updateRSComponent(this); 66 } 67 } 68 69 public String getName() { 70 return mName; 71 } 72 } 73 74 public static class TranslateComponent extends Component { 75 public TranslateComponent(String name, Float3 translate) { 76 super(ScriptC_export.const_Transform_TRANSLATE, name); 77 setValue(translate); 78 } 79 public Float3 getValue() { 80 return new Float3(mData.value.x, mData.value.y, mData.value.z); 81 } 82 public void setValue(Float3 val) { 83 mData.value.x = val.x; 84 mData.value.y = val.y; 85 mData.value.z = val.z; 86 update(); 87 } 88 } 89 90 public static class RotateComponent extends Component { 91 public RotateComponent(String name, Float3 axis, float angle) { 92 super(ScriptC_export.const_Transform_ROTATE, name); 93 setAxis(axis); 94 setAngle(angle); 95 } 96 public Float3 getAxis() { 97 return new Float3(mData.value.x, mData.value.y, mData.value.z); 98 } 99 public float getAngle() { 100 return mData.value.w; 101 } 102 public void setAxis(Float3 val) { 103 mData.value.x = val.x; 104 mData.value.y = val.y; 105 mData.value.z = val.z; 106 update(); 107 } 108 public void setAngle(float val) { 109 mData.value.w = val; 110 update(); 111 } 112 } 113 114 public static class ScaleComponent extends Component { 115 public ScaleComponent(String name, Float3 scale) { 116 super(ScriptC_export.const_Transform_SCALE, name); 117 setValue(scale); 118 } 119 public Float3 getValue() { 120 return new Float3(mData.value.x, mData.value.y, mData.value.z); 121 } 122 public void setValue(Float3 val) { 123 mData.value.x = val.x; 124 mData.value.y = val.y; 125 mData.value.z = val.z; 126 update(); 127 } 128 } 129 130 ScriptField_TransformComponent_s mComponentField; 131 public ArrayList<Component> mTransformComponents; 132 133 public CompoundTransform() { 134 mTransformComponents = new ArrayList<Component>(); 135 } 136 137 public TranslateComponent addTranslate(String name, Float3 translate) { 138 TranslateComponent c = new TranslateComponent(name, translate); 139 addComponent(c); 140 return c; 141 } 142 143 public RotateComponent addRotate(String name, Float3 axis, float angle) { 144 RotateComponent c = new RotateComponent(name, axis, angle); 145 addComponent(c); 146 return c; 147 } 148 149 public ScaleComponent addScale(String name, Float3 scale) { 150 ScaleComponent c = new ScaleComponent(name, scale); 151 addComponent(c); 152 return c; 153 } 154 155 public void addComponent(Component c) { 156 if (c.mParent != null) { 157 throw new IllegalArgumentException("Transform components may not be shared"); 158 } 159 c.mParent = this; 160 c.mParentIndex = mTransformComponents.size(); 161 mTransformComponents.add(c); 162 updateRSComponentAllocation(); 163 } 164 165 public void setComponent(int index, Component c) { 166 if (c.mParent != null) { 167 throw new IllegalArgumentException("Transform components may not be shared"); 168 } 169 if (index >= mTransformComponents.size()) { 170 throw new IllegalArgumentException("Invalid component index"); 171 } 172 c.mParent = this; 173 c.mParentIndex = index; 174 mTransformComponents.set(index, c); 175 updateRSComponent(c); 176 } 177 178 void updateRSComponent(Component c) { 179 if (mField == null || mComponentField == null) { 180 return; 181 } 182 mComponentField.set(c.getRSData(), c.mParentIndex, true); 183 mField.set_isDirty(0, 1, true); 184 } 185 186 void updateRSComponentAllocation() { 187 if (mField == null) { 188 return; 189 } 190 initLocalData(); 191 192 mField.set_components(0, mTransformData.components, false); 193 mField.set_isDirty(0, 1, true); 194 } 195 196 void initLocalData() { 197 RenderScriptGL rs = SceneManager.getRS(); 198 int numComponenets = mTransformComponents.size(); 199 if (numComponenets > 0) { 200 mComponentField = new ScriptField_TransformComponent_s(rs, numComponenets); 201 for (int i = 0; i < numComponenets; i ++) { 202 Component ith = mTransformComponents.get(i); 203 mComponentField.set(ith.getRSData(), i, false); 204 } 205 mComponentField.copyAll(); 206 207 mTransformData.components = mComponentField.getAllocation(); 208 } 209 } 210 } 211 212 213 214 215 216
