82 行
1.8 KiB
Go
82 行
1.8 KiB
Go
package battle
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import (
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"math/rand"
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"sort"
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)
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// DefaultNormalAttack 返回普通攻击兜底技能
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func DefaultNormalAttack(f *Fighter) *SkillInstance {
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elem := f.Element
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if elem == "" {
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elem = "none"
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}
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return &SkillInstance{
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InstanceID: "normal_attack",
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SkillID: "normal_attack",
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Name: "普通攻击",
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DamageType: DamageTypePhysical,
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Element: elem,
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Alignment: f.Alignment,
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ScalingAttr: "str",
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BaseCoef: cfgFloat("combat.skill.normal_attack_coef", 1.0),
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CD: 0,
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Cost: 0,
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TriggerRate: 1.0,
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TargetType: TargetSingle,
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}
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}
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// SelectSkill 按 GDD-03 ✅24 触发率机制选择技能
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// 1. 候选池 = CD=0 且内力够的主动技能
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// 2. 触发率 ≥100% 的候选必定释放，取最高者
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// 3. 否则对每个候选独立掷骰，命中者取触发率最高者
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// 4. 全部未命中或候选池为空则普通攻击
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func SelectSkill(actor *Fighter, opponent *Fighter, normal *SkillInstance, rng *rand.Rand) *SkillInstance {
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candidates := make([]*SkillInstance, 0, len(actor.Skills))
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for _, s := range actor.Skills {
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if s == nil {
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continue
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}
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if s.CDRemaining <= 0 && actor.CanSpendMana(s.Cost) {
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candidates = append(candidates, s)
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}
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}
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if len(candidates) == 0 {
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return normal
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}
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// 按触发率降序
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sort.Slice(candidates, func(i, j int) bool {
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return candidates[i].TriggerRate > candidates[j].TriggerRate
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})
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// 必发技能
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if candidates[0].TriggerRate >= 1.0 {
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return candidates[0]
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}
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// 独立掷骰
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var best *SkillInstance
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bestRate := 0.0
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for _, s := range candidates {
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rate := s.TriggerRate
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if rate <= 0 {
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continue
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}
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if rate > 1.0 {
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rate = 1.0
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}
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if rng.Float64() < rate {
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if best == nil || s.TriggerRate > bestRate {
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best = s
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bestRate = s.TriggerRate
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}
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}
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}
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if best != nil {
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return best
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}
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return normal
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}
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