sm0a9f4 | cfd74d6 | 2010-03-18 09:32:06 +0000 | [diff] [blame] | 1 | /* |
sm0a9f4 | 3c1e67e | 2010-04-02 17:29:14 +0000 | [diff] [blame] | 2 | * Copyright (C) 2010 The Android Open Source Project |
sm0a9f4 | cfd74d6 | 2010-03-18 09:32:06 +0000 | [diff] [blame] | 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.ChannelSystem.Channel; |
| 20 | import com.replica.replicaisland.GameObject.ActionType; |
| 21 | |
| 22 | public class NPCAnimationComponent extends GameComponent { |
| 23 | |
| 24 | // Animations |
| 25 | public static final int IDLE = 0; |
| 26 | public static final int WALK = 1; |
| 27 | public static final int RUN_START = 2; |
| 28 | public static final int RUN = 3; |
| 29 | public static final int SHOOT = 4; |
| 30 | public static final int JUMP_START = 5; |
| 31 | public static final int JUMP_AIR = 6; |
| 32 | public static final int TAKE_HIT = 7; |
| 33 | public static final int SURPRISED = 8; |
| 34 | public static final int DEATH = 9; |
| 35 | |
| 36 | |
| 37 | protected static final float RUN_SPEED_THRESHOLD = 100.0f; |
| 38 | protected static final float JUMP_SPEED_THRESHOLD = 25.0f; |
| 39 | protected static final float FALL_SPEED_THRESHOLD = -25.0f; |
| 40 | protected static final float FALL_TIME_THRESHOLD = 0.2f; |
| 41 | |
| 42 | private int mCurrentAnimation; |
| 43 | private SpriteComponent mSprite; |
| 44 | private ChannelSystem.Channel mChannel; |
| 45 | private int mChannelTrigger; |
| 46 | private boolean mFlying; |
| 47 | private boolean mStopAtWalls; // Controls whether or not the character will go back |
| 48 | // to idle when running into a wall |
| 49 | |
| 50 | |
| 51 | public NPCAnimationComponent() { |
| 52 | super(); |
| 53 | reset(); |
| 54 | setPhase(GameComponent.ComponentPhases.ANIMATION.ordinal()); |
| 55 | } |
| 56 | |
| 57 | @Override |
| 58 | public void reset() { |
| 59 | mCurrentAnimation = IDLE; |
| 60 | mChannel = null; |
| 61 | mSprite = null; |
| 62 | mFlying = false; |
| 63 | mStopAtWalls = true; |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public void update(float timeDelta, BaseObject parent) { |
| 68 | if (mSprite != null) { |
| 69 | GameObject parentObject = (GameObject)parent; |
| 70 | |
| 71 | final int oldAnimation = mCurrentAnimation; |
| 72 | switch(mCurrentAnimation) { |
| 73 | case IDLE: |
| 74 | idle(parentObject); |
| 75 | break; |
| 76 | case WALK: |
| 77 | walk(parentObject); |
| 78 | break; |
| 79 | case RUN_START: |
| 80 | runStart(parentObject); |
| 81 | break; |
| 82 | case RUN: |
| 83 | run(parentObject); |
| 84 | break; |
| 85 | case SHOOT: |
| 86 | shoot(parentObject); |
| 87 | break; |
| 88 | case JUMP_START: |
| 89 | jumpStart(parentObject); |
| 90 | break; |
| 91 | case JUMP_AIR: |
| 92 | jumpAir(parentObject); |
| 93 | break; |
| 94 | case TAKE_HIT: |
| 95 | takeHit(parentObject); |
| 96 | break; |
| 97 | case SURPRISED: |
| 98 | surprised(parentObject); |
| 99 | break; |
| 100 | case DEATH: |
| 101 | death(parentObject); |
| 102 | break; |
| 103 | default: |
| 104 | assert(false); |
| 105 | } |
| 106 | |
| 107 | if (mChannel != null) { |
| 108 | if (mChannel.value != null |
| 109 | && ((ChannelSystem.ChannelBooleanValue)mChannel.value).value) { |
| 110 | mCurrentAnimation = mChannelTrigger; |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | if (oldAnimation != mCurrentAnimation) { |
| 115 | mSprite.playAnimation(mCurrentAnimation); |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | protected boolean shouldFall(GameObject parentObject) { |
| 121 | boolean result = false; |
| 122 | TimeSystem time = sSystemRegistry.timeSystem; |
| 123 | final float airTime = time.getGameTime() - parentObject.getLastTouchedFloorTime(); |
| 124 | if (!mFlying && !parentObject.touchingGround() && airTime > FALL_TIME_THRESHOLD) { |
| 125 | final Vector2 velocity = parentObject.getVelocity(); |
| 126 | if (velocity.y < FALL_SPEED_THRESHOLD) { |
| 127 | result = true; |
| 128 | } |
| 129 | } |
| 130 | return result; |
| 131 | } |
| 132 | |
| 133 | protected boolean shouldJump(GameObject parentObject) { |
| 134 | boolean result = false; |
| 135 | |
| 136 | if (!mFlying) { |
| 137 | final Vector2 velocity = parentObject.getVelocity(); |
| 138 | if (velocity.y > JUMP_SPEED_THRESHOLD) { |
| 139 | result = true; |
| 140 | } |
| 141 | } |
| 142 | return result; |
| 143 | } |
| 144 | |
| 145 | protected boolean shouldRun(GameObject parentObject) { |
| 146 | boolean result = false; |
| 147 | if (!mFlying && parentObject.touchingGround()) { |
| 148 | final Vector2 velocity = parentObject.getVelocity(); |
| 149 | if (Math.abs(velocity.x) >= RUN_SPEED_THRESHOLD) { |
| 150 | result = true; |
| 151 | } |
| 152 | } |
| 153 | return result; |
| 154 | } |
| 155 | |
| 156 | protected boolean shouldMove(GameObject parentObject) { |
| 157 | boolean result = true; |
| 158 | final Vector2 velocity = parentObject.getVelocity(); |
| 159 | |
| 160 | if (mStopAtWalls) { |
| 161 | if ((velocity.x < 0.0f && parentObject.touchingLeftWall()) |
| 162 | || (velocity.x > 0.0f && parentObject.touchingRightWall())) { |
| 163 | result = false; |
| 164 | } |
| 165 | } |
| 166 | return result; |
| 167 | } |
| 168 | |
| 169 | protected boolean shouldTakeHit(GameObject parentObject) { |
| 170 | boolean result = false; |
| 171 | if (parentObject.getCurrentAction() == ActionType.HIT_REACT |
| 172 | && mSprite.findAnimation(TAKE_HIT) != null) { |
| 173 | result = true; |
| 174 | } |
| 175 | return result; |
| 176 | } |
| 177 | |
| 178 | protected void gotoRunStart() { |
| 179 | if (mSprite.findAnimation(RUN_START) != null) { |
| 180 | mCurrentAnimation = RUN_START; |
| 181 | } else { |
| 182 | mCurrentAnimation = RUN; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | protected void gotoRun() { |
| 187 | mCurrentAnimation = RUN; |
| 188 | } |
| 189 | |
| 190 | protected void idle(GameObject parentObject) { |
| 191 | final GameObject.ActionType currentAction = parentObject.getCurrentAction(); |
| 192 | if (currentAction == ActionType.MOVE) { |
| 193 | final Vector2 velocity = parentObject.getVelocity(); |
| 194 | if (shouldFall(parentObject)) { |
| 195 | mCurrentAnimation = JUMP_AIR; |
| 196 | } else if (shouldJump(parentObject)) { |
| 197 | mCurrentAnimation = JUMP_START; |
| 198 | parentObject.positionLocked = true; |
| 199 | } else if (Math.abs(velocity.x) > 0.0f && shouldMove(parentObject)) { |
| 200 | if (shouldRun(parentObject)) { |
| 201 | gotoRunStart(); |
| 202 | parentObject.positionLocked = true; |
| 203 | } else { |
| 204 | mCurrentAnimation = WALK; |
| 205 | } |
| 206 | } |
| 207 | } else if (currentAction == ActionType.ATTACK) { |
| 208 | mCurrentAnimation = SHOOT; |
| 209 | } else if (shouldTakeHit(parentObject)) { |
| 210 | mCurrentAnimation = TAKE_HIT; |
| 211 | } else if (parentObject.getCurrentAction() == ActionType.DEATH) { |
| 212 | mCurrentAnimation = DEATH; |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | protected void walk(GameObject parentObject) { |
| 217 | final GameObject.ActionType currentAction = parentObject.getCurrentAction(); |
| 218 | if (currentAction == ActionType.MOVE) { |
| 219 | final Vector2 velocity = parentObject.getVelocity(); |
| 220 | if (shouldFall(parentObject)) { |
| 221 | mCurrentAnimation = JUMP_AIR; |
| 222 | } else if (shouldJump(parentObject)) { |
| 223 | mCurrentAnimation = JUMP_START; |
| 224 | parentObject.positionLocked = true; |
| 225 | } else if (Math.abs(velocity.x) > 0.0f) { |
| 226 | if (shouldRun(parentObject)) { |
| 227 | gotoRun(); |
| 228 | } |
| 229 | if (velocity.x > 0.0f) { |
| 230 | parentObject.facingDirection.x = 1; |
| 231 | } else { |
| 232 | parentObject.facingDirection.x = -1; |
| 233 | } |
| 234 | } else { |
| 235 | mCurrentAnimation = IDLE; |
| 236 | } |
| 237 | } else if (currentAction == ActionType.ATTACK) { |
| 238 | mCurrentAnimation = SHOOT; |
| 239 | } else if (shouldTakeHit(parentObject)) { |
| 240 | mCurrentAnimation = TAKE_HIT; |
| 241 | } else if (parentObject.getCurrentAction() == ActionType.DEATH) { |
| 242 | mCurrentAnimation = DEATH; |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | protected void runStart(GameObject parentObject) { |
| 247 | parentObject.positionLocked = true; |
| 248 | if (mSprite.animationFinished()) { |
| 249 | mCurrentAnimation = RUN; |
| 250 | parentObject.positionLocked = false; |
| 251 | } |
| 252 | } |
| 253 | protected void run(GameObject parentObject) { |
| 254 | final GameObject.ActionType currentAction = parentObject.getCurrentAction(); |
| 255 | if (currentAction == ActionType.MOVE) { |
| 256 | final Vector2 velocity = parentObject.getVelocity(); |
| 257 | if (shouldFall(parentObject)) { |
| 258 | mCurrentAnimation = JUMP_AIR; |
| 259 | } else if (shouldJump(parentObject)) { |
| 260 | parentObject.positionLocked = true; |
| 261 | mCurrentAnimation = JUMP_START; |
| 262 | } else if (Math.abs(velocity.x) > 0.0f) { |
| 263 | if (!shouldRun(parentObject)) { |
| 264 | mCurrentAnimation = WALK; |
| 265 | } |
| 266 | |
| 267 | if (velocity.x > 0.0f) { |
| 268 | parentObject.facingDirection.x = 1; |
| 269 | } else { |
| 270 | parentObject.facingDirection.x = -1; |
| 271 | } |
| 272 | } else { |
| 273 | mCurrentAnimation = IDLE; |
| 274 | } |
| 275 | } else if (currentAction == ActionType.ATTACK) { |
| 276 | mCurrentAnimation = SHOOT; |
| 277 | } else if (shouldTakeHit(parentObject)) { |
| 278 | mCurrentAnimation = TAKE_HIT; |
| 279 | } else if (parentObject.getCurrentAction() == ActionType.DEATH) { |
| 280 | mCurrentAnimation = DEATH; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | protected void shoot(GameObject parentObject) { |
| 285 | if (mSprite.animationFinished() || parentObject.getCurrentAction() != ActionType.ATTACK) { |
| 286 | mCurrentAnimation = IDLE; |
| 287 | } else if (shouldTakeHit(parentObject)) { |
| 288 | mCurrentAnimation = TAKE_HIT; |
| 289 | } else if (parentObject.getCurrentAction() == ActionType.DEATH) { |
| 290 | mCurrentAnimation = DEATH; |
| 291 | } else { |
| 292 | final Vector2 velocity = parentObject.getVelocity(); |
| 293 | |
| 294 | if (velocity.x > 0.0f) { |
| 295 | parentObject.facingDirection.x = 1; |
| 296 | } else if (velocity.x < 0.0f) { |
| 297 | parentObject.facingDirection.x = -1; |
| 298 | } |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | protected void jumpStart(GameObject parentObject) { |
| 303 | final Vector2 velocity = parentObject.getVelocity(); |
| 304 | |
| 305 | if (velocity.x > 0.0f) { |
| 306 | parentObject.facingDirection.x = 1; |
| 307 | } else if (velocity.x < 0.0f) { |
| 308 | parentObject.facingDirection.x = -1; |
| 309 | } |
| 310 | parentObject.positionLocked = true; |
| 311 | |
| 312 | if (mSprite.animationFinished()) { |
| 313 | mCurrentAnimation = JUMP_AIR; |
| 314 | parentObject.positionLocked = false; |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | protected void jumpAir(GameObject parentObject) { |
| 319 | final GameObject.ActionType currentAction = parentObject.getCurrentAction(); |
| 320 | if (currentAction == ActionType.MOVE) { |
| 321 | final Vector2 velocity = parentObject.getVelocity(); |
| 322 | |
| 323 | if (parentObject.touchingGround()) { |
| 324 | if (Math.abs(velocity.x) > 0.0f) { |
| 325 | if (shouldRun(parentObject)) { |
| 326 | mCurrentAnimation = RUN; |
| 327 | } else { |
| 328 | mCurrentAnimation = WALK; |
| 329 | } |
| 330 | } else { |
| 331 | mCurrentAnimation = IDLE; |
| 332 | } |
| 333 | } else { |
| 334 | |
| 335 | if (velocity.x > 0.0f) { |
| 336 | parentObject.facingDirection.x = 1; |
| 337 | } else if (velocity.x < 0.0f) { |
| 338 | parentObject.facingDirection.x = -1; |
| 339 | } |
| 340 | |
| 341 | } |
| 342 | } else { |
| 343 | mCurrentAnimation = IDLE; |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | protected void takeHit(GameObject parentObject) { |
| 348 | if (mSprite.animationFinished()) { |
| 349 | if (parentObject.life > 0 && parentObject.getCurrentAction() != ActionType.DEATH) { |
| 350 | if (parentObject.getCurrentAction() != ActionType.HIT_REACT) { |
| 351 | mCurrentAnimation = IDLE; |
| 352 | } |
| 353 | } else { |
| 354 | mCurrentAnimation = DEATH; |
| 355 | } |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | protected void surprised(GameObject parentObject) { |
| 360 | if (mSprite.animationFinished()) { |
| 361 | mCurrentAnimation = IDLE; |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | protected void death(GameObject parentObject) { |
| 366 | } |
| 367 | |
| 368 | public void setSprite(SpriteComponent sprite) { |
| 369 | mSprite = sprite; |
| 370 | } |
| 371 | |
| 372 | public void setChannel(Channel channel) { |
| 373 | mChannel = channel; |
| 374 | } |
| 375 | |
| 376 | public void setChannelTrigger(int animation) { |
| 377 | mChannelTrigger = animation; |
| 378 | } |
| 379 | |
| 380 | public void setFlying(boolean flying) { |
| 381 | mFlying = flying; |
| 382 | } |
| 383 | |
| 384 | public void setStopAtWalls(boolean stop) { |
| 385 | mStopAtWalls = stop; |
| 386 | } |
| 387 | } |