public override bool Init(ObjectInitParam param)
{
if (!base.Init(param))
{
return(false);
}
mBulletParam = (BulletInitParam)param;
if ((mBulletResource = DataManager.BulletTable[mBulletParam.resID] as BulletTableItem) == null)
{
SkillUtilities.ResourceNotFound("bullet", mBulletParam.resID);
return(false);
}
mCreateDelay = mBulletParam.createDelay;
mFirerAttr = mBulletParam.firerAttr;
FlySpeed = mBulletResource.flySpeed;
StartPosition = mBulletParam.startPosition;
TargetPosition = mBulletParam.targetPosition;
Vector3 dir3d = TargetPosition - StartPosition;
dir3d.y = 0;
if (dir3d == Vector3.zero)
{
// 起始点与终点位置重叠, 取开火者当前朝向.
BattleUnit firer = mFirerAttr.CheckedAttackerObject();
float alternative = (firer != null) ? firer.GetDirection() : mFirerAttr.AttackerDirection;
dir3d = Utility.RadianToVector3(alternative);
}
FlyDirection = Quaternion.LookRotation(dir3d);
SetRotation(FlyDirection);
AccelerateDelay = mBulletResource.accelerateDelay;
mFlyTargetSelection = new TargetSelectionTableItem()
{
resID = -1,
desc = "bullet hit",
leagueSel = mBulletResource.leagueSelection,
//maxTargetCount = mBulletResource.flyThroughCount - (uint)mHitted.Count,
shape = ShapeType.ShapeType_Rect,
RectLength = mBulletResource.radiusOnCollide * 2
};
SetPosition(StartPosition);
return(true);
}
/// <summary>
/// 确定目标点的位置, 检查子弹初始位置和目标点之间的阻挡.
/// </summary>
private void verifyRange(BulletInitParam param)
{
//如果存在高/低阻挡, 那么截断至最远点.
if (mFlyController.FlyStraight)
{
Vector3 targetPosition = Vector3.zero;
if (Scene.TestLineBlock(StartPosition, TargetPosition, true, CheckLowBlockOnFlying, out targetPosition))
{
targetPosition.y = TargetPosition.y;
TargetPosition = targetPosition;
}
}
LeftRange = TotalRange = Utility.Distance2D(TargetPosition, StartPosition);
}
/// <summary>
/// 根据投掷物的创建参数, 创建投掷物.
/// <para>按如下步骤处理子弹的分布:</para>
/// <para>1 根据子弹的类型, 调整子弹方向, 并将个别类型的子弹的目标点缩放到子弹射程的最远点.</para>
/// <para>2 依次应用分布参数.</para>
/// 3 根据上述结果, 创建子弹.
/// </summary>
private static ErrorCode createProjectiles(ProjectileCreateParam param)
{
// 获取子弹分布.
ArrayList distributionContainer = new ArrayList();
// 处理子弹的飞行方向.
param.TargetPosition = BulletAdjuster.AdjustBulletDirection(param.BulletRes, param.User,
param.StartPosition, param.TargetPosition);
// 调整个别类型的子弹的终点, 到子弹的最大射程.
param.TargetPosition = BulletAdjuster.AdjustBulletTargetPosition(param.BulletRes, param.StartPosition, param.TargetPosition);
// 根据子弹的分布, 调整子弹的起始/终点位置, 以及延迟等.
ErrorCode err = computeBulletDistribution(distributionContainer, param);
if (err != ErrorCode.Succeeded)
{
return(err);
}
// 产生子弹.
foreach (BulletDistributionResultDef distribution in distributionContainer)
{
BulletInitParam initParam = new BulletInitParam()
{
resID = (uint)param.BulletRes.resID,
startPosition = distribution.StartPosition,
targetPosition = distribution.TargetPosition,
firerAttr = new AttackerAttr(param.User, param.SkillResID),
createDelay = distribution.Delay,
};
Bullet bullet = BulletFactory.Instance.Allocate(param.BulletRes.type);
if (bullet != null && bullet.Init(initParam))
{
SceneManager.Instance.GetCurScene().AddSprte(bullet);
}
}
return(err);
}
