/// <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);
}
/// <summary>
/// 计算子弹的分布.
/// </summary>
private static ErrorCode computeBulletDistribution(ArrayList result,
ProjectileCreateParam param)
{
DistributeHandler handler = null;
switch (param.DistributionType)
{
case BulletDistributionType.ByAngle:
handler = distributeByAngle;
break;
case BulletDistributionType.ByRandomOffset:
handler = distributeByRandomOffset;
break;
case BulletDistributionType.ByData:
handler = distributeByData;
break;
default:
break;
}
DistributionComputeParam computeParam = new DistributionComputeParam()
{
distributionArgument = param.DistributionArgument,
startPosition = param.StartPosition,
targetPosition = param.TargetPosition
};
ErrorCode err = ErrorCode.ConfigError;
if (handler != null)
{
err = handler(result, computeParam);
}
ErrorHandler.Parse(err, "failed to compute bullet distribution");
return(err);
}
/// <summary>
/// 创建投掷物.
/// </summary>
public static ErrorCode createProjectiles(BattleUnit user, uint skillResID, uint projResID, Vector3 targetPosition)
{
ProjectileSettingsTableItem projSettings = DataManager.ProjectileSettingsTable[projResID] as ProjectileSettingsTableItem;
for (uint i = 0; i < ProjectileSettingsTableItem.ProjectileCount; ++i)
{
ProjectileItem item = projSettings.items[i];
if (item.bulletResID == uint.MaxValue)
{
break;
}
BulletTableItem bulletRes = DataManager.BulletTable[item.bulletResID] as BulletTableItem;
// 枪口特效.
if (item.bindpointEffect != uint.MaxValue)
{
SkillClientBehaviour.AddEffect2Object(user, item.bindpointEffect, item.initBindpoint);
}
ProjectileCreateParam param = new ProjectileCreateParam()
{
User = user,
StartPosition = user.GetBonePositionByName(item.initBindpoint),
TargetPosition = targetPosition,
DistributionType = item.distributionType,
DistributionArgument = item.distributionArgument,
BulletRes = bulletRes,
SkillResID = skillResID
};
createProjectiles(param);
}
return(ErrorCode.Succeeded);
}
