public TaskAttack(Direction dir) { if (!Global.CanMoveDiagonal && !dir.isCardinal()) { throw new RuntimeException("Invalid attack direction: " + dir.toString()); } this.dir = dir; }
@Override public void processTask(GameEntity obj) { // Collect data GameTile oldTile = obj.tile[0][0]; int newX = oldTile.x + dir.getX(); int newY = oldTile.y + dir.getY(); GameTile newTile = oldTile.level.getGameTile(newX, newY); Item wep = obj.getInventory().getEquip(EquipmentSlot.WEAPON); Array<GameTile> hitTiles = buildHitTileArray(obj, dir); // Check if should attack something boolean hitSomething = false; for (GameTile tile : hitTiles) { if (tile.entity != null && !tile.entity.isAllies(obj)) { hitSomething = true; break; } if (tile.environmentEntity != null && tile.environmentEntity.canTakeDamage && !tile.environmentEntity.passableBy.intersect(obj.getTravelType())) { hitSomething = true; } } // Do attack if (hitSomething) { doAttack(hitTiles, obj, wep); // do graphics stuff obj.sprite.spriteAnimation = new BumpAnimation(0.1f, dir); } }
public static Array<Point> buildAllDirectionHitTiles(GameEntity entity) { Array<Point> points = new Array<Point>(); Item weapon = entity.getInventory().getEquip(EquipmentSlot.WEAPON); for (Direction dir : Direction.values()) { if (Global.CanMoveDiagonal || dir.isCardinal()) { int xstep = 0; int ystep = 0; int sx = 0; int sy = 0; if (dir == Direction.NORTH) { sx = 0; sy = entity.size - 1; xstep = 1; ystep = 0; } else if (dir == Direction.SOUTH) { sx = 0; sy = 0; xstep = 1; ystep = 0; } else if (dir == Direction.EAST) { sx = entity.size - 1; sy = 0; xstep = 0; ystep = 1; } else if (dir == Direction.WEST) { sx = 0; sy = 0; xstep = 0; ystep = 1; } for (int i = 0; i < entity.size; i++) { GameTile attackerTile = entity.tile[sx + xstep * i][sy + ystep * i]; if (weapon != null && weapon.wepDef != null) { Matrix3 mat = new Matrix3(); mat.setToRotation(dir.getAngle()); Vector3 vec = new Vector3(); for (Point point : weapon.wepDef.hitPoints) { vec.set(point.x, point.y, 0); vec.mul(mat); int dx = Math.round(vec.x); int dy = Math.round(vec.y); Point pos = Global.PointPool.obtain().set(attackerTile.x + dx, attackerTile.y + dy); points.add(pos); } } else { Point pos = Global.PointPool.obtain() .set(attackerTile.x + dir.getX(), attackerTile.y + dir.getY()); points.add(pos); } } } } // restrict by visibility and remove duplicates Array<Point> visibleTiles = entity.visibilityCache.getCurrentShadowCast(); Iterator<Point> itr = points.iterator(); while (itr.hasNext()) { Point pos = itr.next(); boolean matchFound = false; // Remove not visible for (Point point : visibleTiles) { if (point.x == pos.x && point.y == pos.y) { matchFound = true; break; } } // Remove duplicates for (int i = 0; i < points.size; i++) { Point opos = points.get(i); if (opos != pos && opos.x == pos.x && opos.y == pos.y) { matchFound = false; break; } } if (!matchFound) { itr.remove(); Global.PointPool.free(pos); } } return points; }
private void doAttack(Array<GameTile> hitTiles, final GameEntity entity, Item weapon) { final GameTile source = entity.tile[0][0]; // Get all the attacked tiles Array<GameTile> attackedTiles = new Array<GameTile>(); if (weapon == null || weapon.wepDef == null || weapon.wepDef.hitType == Item.WeaponDefinition.HitType.ALL) { attackedTiles.addAll(hitTiles); } else if (weapon.wepDef.hitType == Item.WeaponDefinition.HitType.CLOSEST) { int num = weapon.wepDef.hitData != null ? Integer.parseInt(weapon.wepDef.hitData) : 1; Array<GameTile> validEntityTiles = new Array<GameTile>(); Array<GameTile> validEnvironmentTiles = new Array<GameTile>(); // Get tiles valid to hit for (GameTile tile : hitTiles) { if (tile.entity != null && !tile.entity.isAllies(entity)) { validEntityTiles.add(tile); } else if (tile.environmentEntity != null && tile.environmentEntity.canTakeDamage) { validEnvironmentTiles.add(tile); } } Comparator<GameTile> comp = new Comparator<GameTile>() { @Override public int compare(GameTile o1, GameTile o2) { int dist1 = Math.abs(o1.x - source.x) + Math.abs(o1.y - source.y); int dist2 = Math.abs(o2.x - source.x) + Math.abs(o2.y - source.y); return dist1 - dist2; } }; // sort by distance validEntityTiles.sort(comp); validEnvironmentTiles.sort(comp); for (int i = 0; i < num && i < validEntityTiles.size; i++) { attackedTiles.add(validEntityTiles.get(i)); } for (int i = 0; i < num - validEntityTiles.size && i < validEnvironmentTiles.size; i++) { attackedTiles.add(validEnvironmentTiles.get(i)); } } else if (weapon.wepDef.hitType == Item.WeaponDefinition.HitType.RANDOM) { int num = weapon.wepDef.hitData != null ? Integer.parseInt(weapon.wepDef.hitData) : 1; Array<GameTile> validEntityTiles = new Array<GameTile>(); Array<GameTile> validEnvironmentTiles = new Array<GameTile>(); // Get tiles valid to hit for (GameTile tile : hitTiles) { if (tile.entity != null && !tile.entity.isAllies(entity)) { validEntityTiles.add(tile); } else if (tile.environmentEntity != null && tile.environmentEntity.canTakeDamage) { validEnvironmentTiles.add(tile); } } if (validEntityTiles.size > 0) { for (int i = 0; i < num; i++) { attackedTiles.add(validEntityTiles.random()); } } else if (validEnvironmentTiles.size > 0) { for (int i = 0; i < num; i++) { attackedTiles.add(validEnvironmentTiles.random()); } } } Sprite hitEffect = null; if (weapon == null) { hitEffect = entity.defaultHitEffect; } else { hitEffect = weapon.getWeaponHitEffect(); } Point minPoint = Global.PointPool.obtain().set(Integer.MAX_VALUE, Integer.MAX_VALUE); Point maxPoint = Global.PointPool.obtain().set(0, 0); int hitCount = weapon != null && weapon.wepDef != null ? weapon.wepDef.hitCount : 1; float animdelay = 0; for (int i = 0; i < hitCount; i++) { // Do the attack for (GameTile tile : attackedTiles) { // do misses int hitPercent = weapon != null && weapon.wepDef != null ? weapon.wepDef.hitPercent : 100; if (hitPercent < 100) { if (MathUtils.random(100) > hitPercent) { // Argh! a miss! Hit a random surrounding tile Direction dir = Direction.values()[MathUtils.random(Direction.values().length - 1)]; GameTile newTile = tile.level.getGameTile(tile.x + dir.getX(), tile.y + dir.getY()); if (newTile != null) { tile = newTile; } } } if (weapon == null || weapon.wepDef == null || weapon.wepDef.hitType != Item.WeaponDefinition.HitType.ALL) { int[] diff = tile.getPosDiff(source); Sprite sprite = hitEffect.copy(); if (sprite.spriteAnimation != null) { int distMoved = (Math.abs(diff[0]) + Math.abs(diff[1])) / Global.TileSize; sprite.spriteAnimation.set(0.05f * distMoved, diff); } Vector2 vec = new Vector2(diff[0] * -1, diff[1] * -1); vec.nor(); float x = vec.x; float y = vec.y; double dot = 0 * x + 1 * y; // dot product double det = 0 * y - 1 * x; // determinant float angle = (float) Math.atan2(det, dot) * MathUtils.radiansToDegrees; sprite.rotation = angle; sprite.renderDelay = animdelay; animdelay += 0.1f; boolean isMoving = sprite.spriteAnimation != null && sprite.spriteAnimation instanceof MoveAnimation; final SoundInstance sound = hitEffect.sound; final GameTile hitTile = tile; final GameEntity hitEntity = hitTile.entity; final EnvironmentEntity hitEnvEntity = hitTile.environmentEntity; sprite.spriteAction = new SpriteAction( isMoving ? SpriteAction.FirePoint.End : SpriteAction.FirePoint.Start) { @Override public void evaluate() { // do on hit for (GameEventHandler handler : entity.getAllHandlers()) { handler.onHit(entity, hitTile); } if (hitEntity != null && !hitEntity.isAllies(entity)) { entity.attack(hitEntity, dir); } else if (hitEnvEntity != null && !hitEnvEntity.passableBy.intersect(entity.getTravelType())) { entity.attack(hitEnvEntity, dir); } if (sound != null) { sound.play(hitTile); } } }; SpriteEffect effect = new SpriteEffect( sprite, Direction.CENTER, weapon != null && weapon.light != null ? weapon.light.copyNoFlag() : null); tile.spriteEffects.add(effect); } else { // do on hit for (GameEventHandler handler : entity.getAllHandlers()) { handler.onHit(entity, tile); } if (tile.entity != null && !tile.entity.isAllies(entity)) { entity.attack(tile.entity, dir); } else if (tile.environmentEntity != null && !tile.environmentEntity.passableBy.intersect(entity.getTravelType())) { entity.attack(tile.environmentEntity, dir); } if (tile.x < minPoint.x) { minPoint.x = tile.x; } if (tile.x > maxPoint.x) { maxPoint.x = tile.x; } if (tile.y < minPoint.y) { minPoint.y = tile.y; } if (tile.y > maxPoint.y) { maxPoint.y = tile.y; } } } } if (weapon != null && weapon.wepDef != null && weapon.wepDef.hitType == Item.WeaponDefinition.HitType.ALL) { // Use a joined sprite Sprite sprite = hitEffect.copy(); sprite.rotation = dir.getAngle(); sprite.baseScale[0] = (maxPoint.x - minPoint.x) + 1; sprite.baseScale[1] = (maxPoint.y - minPoint.y) + 1; if (dir == Direction.WEST || dir == Direction.EAST) { float temp = sprite.baseScale[0]; sprite.baseScale[0] = sprite.baseScale[1]; sprite.baseScale[1] = temp; } SpriteEffect effect = new SpriteEffect( sprite, Direction.CENTER, weapon != null && weapon.light != null ? weapon.light.copyNoFlag() : null); int px = minPoint.x; int py = minPoint.y; float dx = (maxPoint.x - minPoint.x) / 2.0f; float dy = (maxPoint.y - minPoint.y) / 2.0f; px += dir.getX() < 0 ? Math.ceil(dx) : Math.floor(dx); py += dir.getY() < 0 ? Math.ceil(dy) : Math.floor(dy); GameTile tile = attackedTiles.first().level.getGameTile(px, py); tile.spriteEffects.add(effect); SoundInstance sound = hitEffect.sound; if (sound != null) { sound.play(tile); } } }
public static Array<GameTile> buildHitTileArray(GameEntity attacker, Direction dir) { Array<GameTile> tiles = new Array<GameTile>(); Item weapon = attacker.getInventory().getEquip(EquipmentSlot.WEAPON); int xstep = 0; int ystep = 0; int sx = 0; int sy = 0; if (dir == Direction.NORTH) { sx = 0; sy = attacker.size - 1; xstep = 1; ystep = 0; } else if (dir == Direction.SOUTH) { sx = 0; sy = 0; xstep = 1; ystep = 0; } else if (dir == Direction.EAST) { sx = attacker.size - 1; sy = 0; xstep = 0; ystep = 1; } else if (dir == Direction.WEST) { sx = 0; sy = 0; xstep = 0; ystep = 1; } for (int i = 0; i < attacker.size; i++) { GameTile attackerTile = attacker.tile[sx + xstep * i][sy + ystep * i]; if (weapon != null && weapon.wepDef != null) { Matrix3 mat = new Matrix3(); mat.setToRotation(dir.getAngle()); Vector3 vec = new Vector3(); for (Point point : weapon.wepDef.hitPoints) { vec.set(point.x, point.y, 0); vec.mul(mat); int dx = Math.round(vec.x); int dy = Math.round(vec.y); GameTile tile = attackerTile.level.getGameTile(attackerTile.x + dx, attackerTile.y + dy); if (tile != null) { tiles.add(tile); } } } else { tiles.add( attackerTile.level.getGameTile( attackerTile.x + dir.getX(), attackerTile.y + dir.getY())); } } // restrict by visibility and remove duplicates Array<Point> visibleTiles = attacker.visibilityCache.getCurrentShadowCast(); Iterator<GameTile> itr = tiles.iterator(); while (itr.hasNext()) { GameTile tile = itr.next(); boolean matchFound = false; // Remove not visible for (Point point : visibleTiles) { if (point.x == tile.x && point.y == tile.y) { matchFound = true; break; } } // Remove duplicates for (int i = 0; i < tiles.size; i++) { GameTile otile = tiles.get(i); if (otile != tile && otile.x == tile.x && otile.y == tile.y) { matchFound = false; break; } } if (!matchFound) { itr.remove(); } } return tiles; }