Android build v1.1.15

2026-07-04 12:43:59 -04:00
parent a849cd2c69
commit 99e97e5208
47 changed files with 8470 additions and 1610 deletions
@@ -0,0 +1,230 @@
+import { IWT2_CLASS_METADATA } from '../content/classes'
+import { BULLDROME_BOSS_METADATA } from '../content/bosses'
+import type { Iwt2ArenaState, Iwt2HostileAddState, Iwt2PartyEntityState, Iwt2Vec2 } from './types'
+import {
+  addVec2,
+  clampVec2ToArena,
+  distanceVec2,
+  dotVec2,
+  lengthSqVec2,
+  moveToward,
+  normalizeVec2,
+  scaleVec2,
+  subtractVec2,
+  withFallbackFacing,
+} from './vector'
+
+export function tickPartyMember(
+  member: Iwt2PartyEntityState,
+  state: Iwt2ArenaState,
+  inputMove: Iwt2Vec2,
+  dt: number,
+): Iwt2PartyEntityState {
+  const metadata = IWT2_CLASS_METADATA[member.classId]
+  const status = {
+    stunnedSeconds: Math.max(0, member.status.stunnedSeconds - dt),
+    knockedDownSeconds: Math.max(0, member.status.knockedDownSeconds - dt),
+    invulnerableSeconds: Math.max(0, member.status.invulnerableSeconds - dt),
+  }
+  const attackCooldownRemaining = Math.max(0, member.attackCooldownRemaining - dt)
+  const castSecondsRemaining = Math.max(0, member.castSecondsRemaining - dt)
+  if (member.health <= 0) {
+    return { ...member, velocity: { x: 0, y: 0 }, attackCooldownRemaining, castSecondsRemaining: 0, attackReady: false, status }
+  }
+  if (status.stunnedSeconds > 0 || status.knockedDownSeconds > 0) {
+    return { ...member, velocity: { x: 0, y: 0 }, attackCooldownRemaining, castSecondsRemaining: 0, attackReady: false, status }
+  }
+
+  if (member.aiRole === 'player') {
+    const normalizedInput = lengthSqVec2(inputMove) > 1 ? normalizeVec2(inputMove) : inputMove
+    const velocity = scaleVec2(normalizedInput, metadata.moveSpeed)
+    const position = clampVec2ToArena(
+      {
+        x: member.position.x + velocity.x * dt,
+        y: member.position.y + velocity.y * dt,
+      },
+      member.radius,
+      state.bounds,
+    )
+    return {
+      ...member,
+      position,
+      velocity,
+      facing: withFallbackFacing(velocity, member.facing),
+      attackCooldownRemaining,
+      castSecondsRemaining: 0,
+      attackReady: false,
+      status,
+    }
+  }
+
+  const dangerDestination = getDangerAvoidancePosition(member, state)
+  const attackTarget = getPriorityAttackTarget(member, state)
+  const canCast = member.aiRole === 'ranged'
+    && attackCooldownRemaining <= 0
+    && !!attackTarget
+    && canPartyMemberHitTarget({ ...member, attackCooldownRemaining, castSecondsRemaining }, attackTarget.position)
+  if (!dangerDestination && member.aiRole === 'ranged' && (member.castSecondsRemaining > 0 || canCast)) {
+    const nextCastSecondsRemaining = member.castSecondsRemaining > 0
+      ? castSecondsRemaining
+      : metadata.castTime
+    return {
+      ...member,
+      velocity: { x: 0, y: 0 },
+      facing: withFallbackFacing(subtractVec2(attackTarget?.position ?? state.boss.position, member.position), member.facing),
+      attackCooldownRemaining,
+      castSecondsRemaining: nextCastSecondsRemaining,
+      attackReady: member.castSecondsRemaining > 0 && nextCastSecondsRemaining <= 0,
+      status,
+    }
+  }
+
+  const decisionSecondsRemaining = Math.max(0, member.decisionSecondsRemaining - dt)
+  const desired = dangerDestination ?? getPartyDesiredPosition(member, state, decisionSecondsRemaining)
+  const maxDistance = metadata.moveSpeed * dt
+  const position = clampVec2ToArena(moveToward(member.position, desired, maxDistance), member.radius, state.bounds)
+  const velocity = scaleVec2(subtractVec2(position, member.position), dt > 0 ? 1 / dt : 0)
+  return {
+    ...member,
+    position,
+    velocity,
+    facing: withFallbackFacing(subtractVec2(attackTarget?.position ?? state.boss.position, position), member.facing),
+    attackCooldownRemaining,
+    castSecondsRemaining: 0,
+    attackReady: false,
+    status,
+    decisionSecondsRemaining: decisionSecondsRemaining <= 0
+      ? nextDecisionInterval(member)
+      : decisionSecondsRemaining,
+  }
+}
+
+export function canPartyMemberHitTarget(member: Iwt2PartyEntityState, targetPosition: Iwt2Vec2): boolean {
+  if (member.health <= 0) return false
+  if (member.status.stunnedSeconds > 0 || member.status.knockedDownSeconds > 0) return false
+  const metadata = IWT2_CLASS_METADATA[member.classId]
+  if (metadata.attackDamage <= 0) return false
+  return distanceVec2(member.position, targetPosition) <= metadata.attackRange + member.radius
+}
+
+function getPartyDesiredPosition(
+  member: Iwt2PartyEntityState,
+  state: Iwt2ArenaState,
+  decisionSecondsRemaining: number,
+): Iwt2Vec2 {
+  const drift = decisionSecondsRemaining <= 0 ? decisionDrift(member, state.time) : { x: 0, y: 0 }
+  const attackTarget = getPriorityAttackTarget(member, state)
+  const anchor = attackTarget?.position ?? state.boss.position
+  return {
+    x: anchor.x + member.preferredOffset.x + drift.x,
+    y: anchor.y + member.preferredOffset.y + drift.y,
+  }
+}
+
+function getDangerAvoidancePosition(member: Iwt2PartyEntityState, state: Iwt2ArenaState): Iwt2Vec2 | null {
+  const boss = state.boss
+  const hazardEscape = getHazardAvoidancePosition(member, state)
+  if (hazardEscape) {
+    return hazardEscape
+  }
+
+  if (boss.bossId === 'bulldrome' && (boss.attackPhase === 'slamWindup' || boss.attackPhase === 'slamRecover')) {
+    const distance = distanceVec2(member.position, boss.position)
+    const dangerRadius = BULLDROME_BOSS_METADATA.slamRadius + member.radius + 34
+    if (distance < dangerRadius) {
+      const away = normalizeVec2(subtractVec2(member.position, boss.position))
+      return clampVec2ToArena(addVec2(member.position, scaleVec2(away, dangerRadius - distance + 40)), member.radius, state.bounds)
+    }
+  }
+
+  if (boss.bossId === 'bulldrome' && (boss.attackPhase === 'chargeWindup' || boss.attackPhase === 'charging')) {
+    const danger = chargeDanger(member.position, state)
+    if (danger.inside || danger.ahead) {
+      const perpendicular = { x: -danger.direction.y, y: danger.direction.x }
+      const side = dotVec2(subtractVec2(member.position, boss.chargeStart), perpendicular) >= 0 ? 1 : -1
+      const escape = addVec2(member.position, scaleVec2(perpendicular, side * (boss.radius * 2.8 + member.radius)))
+      return clampVec2ToArena(escape, member.radius, state.bounds)
+    }
+  }
+
+  return null
+}
+
+function getHazardAvoidancePosition(member: Iwt2PartyEntityState, state: Iwt2ArenaState): Iwt2Vec2 | null {
+  let escape = { x: 0, y: 0 }
+  let maxNeededDistance = 0
+
+  for (const hazard of state.hazards) {
+    const offset = subtractVec2(member.position, hazard.position)
+    const distance = distanceVec2(member.position, hazard.position)
+    const dangerRadius = hazard.radius + member.radius + 46
+    if (distance >= dangerRadius) continue
+
+    const fallback = withFallbackFacing(subtractVec2(member.position, state.boss.position), {
+      x: member.position.x < state.bounds.width * 0.5 ? -1 : 1,
+      y: member.position.y < state.bounds.height * 0.5 ? -0.35 : 0.35,
+    })
+    const away = distance > 0.001 ? normalizeVec2(offset) : fallback
+    const urgency = dangerRadius - distance
+    escape = addVec2(escape, scaleVec2(away, urgency))
+    maxNeededDistance = Math.max(maxNeededDistance, urgency)
+  }
+
+  if (maxNeededDistance <= 0) return null
+
+  const direction = withFallbackFacing(escape, {
+    x: member.position.x < state.bounds.width * 0.5 ? -1 : 1,
+    y: 0,
+  })
+  return clampVec2ToArena(
+    addVec2(member.position, scaleVec2(direction, maxNeededDistance + 72)),
+    member.radius,
+    state.bounds,
+  )
+}
+
+function getPriorityAttackTarget(
+  member: Iwt2PartyEntityState,
+  state: Iwt2ArenaState,
+): (Iwt2ArenaState['boss'] | Iwt2HostileAddState) | undefined {
+  if (member.health <= 0) return undefined
+  const livingAdds = state.hostileAdds.filter((add) => add.health > 0)
+  if (livingAdds.length > 0) {
+    return livingAdds.reduce((best, add) => (
+      distanceVec2(member.position, add.position) < distanceVec2(member.position, best.position) ? add : best
+    ), livingAdds[0])
+  }
+  return state.boss.health > 0 ? state.boss : undefined
+}
+
+function chargeDanger(position: Iwt2Vec2, state: Iwt2ArenaState) {
+  const boss = state.boss
+  const segment = subtractVec2(boss.chargeEnd, boss.chargeStart)
+  const lengthSq = Math.max(1, lengthSqVec2(segment))
+  const direction = normalizeVec2(segment)
+  const offset = subtractVec2(position, boss.chargeStart)
+  const along = dotVec2(offset, segment) / lengthSq
+  const closest = addVec2(boss.chargeStart, scaleVec2(segment, Math.min(1, Math.max(0, along))))
+  const distance = distanceVec2(position, closest)
+  const width = boss.radius + 22
+  return {
+    direction,
+    inside: along >= -0.08 && along <= 1.08 && distance <= width,
+    ahead: boss.attackPhase === 'chargeWindup' && along > -0.12 && along < 1.05 && distance <= width + 38,
+  }
+}
+
+function decisionDrift(member: Iwt2PartyEntityState, time: number): Iwt2Vec2 {
+  const seed = member.id.length * 17
+  return {
+    x: Math.sin(time * 0.7 + seed) * 16,
+    y: Math.cos(time * 0.9 + seed) * 14,
+  }
+}
+
+function nextDecisionInterval(member: Iwt2PartyEntityState): number {
+  if (member.aiRole === 'tank') return 0.34
+  if (member.aiRole === 'ranged') return 0.48
+  if (member.aiRole === 'flanker') return 0.28
+  return 0.38
+}