1 /* 2 * Copyright (C) 2010 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.replica.replicaisland; 18 19 import com.replica.replicaisland.CollisionParameters.HitType; 20 21 /** 22 * GameObject defines any object that resides in the game world (character, background, special 23 * effect, enemy, etc). It is a collection of GameComponents which implement its behavior; 24 * GameObjects themselves have no intrinsic behavior. GameObjects are also "bags of data" that 25 * components can use to share state (direct component-to-component communication is discouraged). 26 */ 27 public class GameObject extends PhasedObjectManager { 28 private final static float COLLISION_SURFACE_DECAY_TIME = 0.3f; 29 // These fields are managed by components. 30 private Vector2 mPosition; 31 private Vector2 mVelocity; 32 private Vector2 mTargetVelocity; 33 private Vector2 mAcceleration; 34 private Vector2 mImpulse; 35 36 private Vector2 mBackgroundCollisionNormal; 37 38 private float mLastTouchedFloorTime; 39 private float mLastTouchedCeilingTime; 40 private float mLastTouchedLeftWallTime; 41 private float mLastTouchedRightWallTime; 42 43 public boolean positionLocked; 44 45 public float activationRadius; 46 public boolean destroyOnDeactivation; 47 48 public int life; 49 50 public int lastReceivedHitType; 51 52 public Vector2 facingDirection; 53 public float width; 54 public float height; 55 56 private static final int DEFAULT_LIFE = 1; 57 58 public enum ActionType { 59 INVALID, 60 IDLE, 61 MOVE, 62 ATTACK, 63 HIT_REACT, 64 DEATH, 65 HIDE, 66 FROZEN 67 } 68 69 private ActionType mCurrentAction; 70 71 public enum Team { 72 NONE, 73 PLAYER, 74 ENEMY 75 } 76 77 public Team team; 78 79 public GameObject() { 80 super(); 81 82 mPosition = new Vector2(); 83 mVelocity = new Vector2(); 84 mTargetVelocity = new Vector2(); 85 mAcceleration = new Vector2(); 86 mImpulse = new Vector2(); 87 mBackgroundCollisionNormal = new Vector2(); 88 89 facingDirection = new Vector2(1, 0); 90 91 reset(); 92 } 93 94 @Override 95 public void reset() { 96 removeAll(); 97 commitUpdates(); 98 99 mPosition.zero(); 100 mVelocity.zero(); 101 mTargetVelocity.zero(); 102 mAcceleration.zero(); 103 mImpulse.zero(); 104 mBackgroundCollisionNormal.zero(); 105 facingDirection.set(1.0f, 1.0f); 106 107 mCurrentAction = ActionType.INVALID; 108 positionLocked = false; 109 activationRadius = 0; 110 destroyOnDeactivation = false; 111 life = DEFAULT_LIFE; 112 team = Team.NONE; 113 width = 0.0f; 114 height = 0.0f; 115 116 lastReceivedHitType = HitType.INVALID; 117 } 118 119 // Utility functions 120 public final boolean touchingGround() { 121 final TimeSystem time = sSystemRegistry.timeSystem; 122 final float gameTime = time.getGameTime(); 123 final boolean touching = gameTime > 0.1f && 124 Utils.close(mLastTouchedFloorTime, time.getGameTime(), COLLISION_SURFACE_DECAY_TIME); 125 return touching; 126 } 127 128 public final boolean touchingCeiling() { 129 final TimeSystem time = sSystemRegistry.timeSystem; 130 final float gameTime = time.getGameTime(); 131 final boolean touching = gameTime > 0.1f && 132 Utils.close(mLastTouchedCeilingTime, time.getGameTime(), COLLISION_SURFACE_DECAY_TIME); 133 return touching; 134 } 135 136 public final boolean touchingLeftWall() { 137 final TimeSystem time = sSystemRegistry.timeSystem; 138 final float gameTime = time.getGameTime(); 139 final boolean touching = gameTime > 0.1f && 140 Utils.close(mLastTouchedLeftWallTime, time.getGameTime(), COLLISION_SURFACE_DECAY_TIME); 141 return touching; 142 } 143 144 public final boolean touchingRightWall() { 145 final TimeSystem time = sSystemRegistry.timeSystem; 146 final float gameTime = time.getGameTime(); 147 final boolean touching = gameTime > 0.1f && 148 Utils.close(mLastTouchedRightWallTime, time.getGameTime(), COLLISION_SURFACE_DECAY_TIME); 149 return touching; 150 } 151 152 public final Vector2 getPosition() { 153 return mPosition; 154 } 155 156 public final void setPosition(Vector2 position) { 157 mPosition.set(position); 158 } 159 160 public final float getCenteredPositionX() { 161 return mPosition.x + (width / 2.0f); 162 } 163 164 public final float getCenteredPositionY() { 165 return mPosition.y + (height / 2.0f); 166 } 167 168 public final Vector2 getVelocity() { 169 return mVelocity; 170 } 171 172 public final void setVelocity(Vector2 velocity) { 173 mVelocity.set(velocity); 174 } 175 176 public final Vector2 getTargetVelocity() { 177 return mTargetVelocity; 178 } 179 180 public final void setTargetVelocity(Vector2 targetVelocity) { 181 mTargetVelocity.set(targetVelocity); 182 } 183 184 public final Vector2 getAcceleration() { 185 return mAcceleration; 186 } 187 188 public final void setAcceleration(Vector2 acceleration) { 189 mAcceleration.set(acceleration); 190 } 191 192 public final Vector2 getImpulse() { 193 return mImpulse; 194 } 195 196 public final void setImpulse(Vector2 impulse) { 197 mImpulse.set(impulse); 198 } 199 200 public final Vector2 getBackgroundCollisionNormal() { 201 return mBackgroundCollisionNormal; 202 } 203 204 public final void setBackgroundCollisionNormal(Vector2 normal) { 205 mBackgroundCollisionNormal.set(normal); 206 } 207 208 public final float getLastTouchedFloorTime() { 209 return mLastTouchedFloorTime; 210 } 211 212 public final void setLastTouchedFloorTime(float lastTouchedFloorTime) { 213 mLastTouchedFloorTime = lastTouchedFloorTime; 214 } 215 216 public final float getLastTouchedCeilingTime() { 217 return mLastTouchedCeilingTime; 218 } 219 220 public final void setLastTouchedCeilingTime(float lastTouchedCeilingTime) { 221 mLastTouchedCeilingTime = lastTouchedCeilingTime; 222 } 223 224 public final float getLastTouchedLeftWallTime() { 225 return mLastTouchedLeftWallTime; 226 } 227 228 public final void setLastTouchedLeftWallTime(float lastTouchedLeftWallTime) { 229 mLastTouchedLeftWallTime = lastTouchedLeftWallTime; 230 } 231 232 public final float getLastTouchedRightWallTime() { 233 return mLastTouchedRightWallTime; 234 } 235 236 public final void setLastTouchedRightWallTime(float lastTouchedRightWallTime) { 237 mLastTouchedRightWallTime = lastTouchedRightWallTime; 238 } 239 240 public final ActionType getCurrentAction() { 241 return mCurrentAction; 242 } 243 244 public final void setCurrentAction(ActionType type) { 245 mCurrentAction = type; 246 } 247 } 248
