45 lines
1.3 KiB
Text
45 lines
1.3 KiB
Text
# way.ludic - where a person walks when the straight line will not do: the world's way (NpcWorld.way,
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# a navmesh by a person's taste in Maroon Lake), and without one a step round what is in the way,
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# and giving the target up after three tries
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# the next corner toward the target, asked again every half second, on reaching it, or for a new target
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const NP_WAY_EVERY: float = 0.5
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function np_way(p: NpcPerson, dt: float) -> void {
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p.way_t = p.way_t - dt
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let fresh = p.wtx != p.tx or p.wtz != p.tz
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if p.way_t > 0.0 and not fresh and npc_d(p.x, p.z, p.wx, p.wz) >= 1.0 { return }
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p.way_t = NP_WAY_EVERY
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p.wtx = p.tx
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p.wtz = p.tz
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p.wx = p.tx
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p.wz = p.tz
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if NpcWorld.way(p, p.tx, p.tz) {
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p.wx = NpcWorld.way_x()
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p.wz = NpcWorld.way_z()
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}
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}
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function np_detour(p: NpcPerson, want: float) -> bool {
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for k in 0 .. 8 {
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let ang = want + float((k / 2 + 1) * (1 - 2 * (k % 2))) * 0.6
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let x = p.x - Math.sin(ang) * 6.0
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let z = p.z - Math.cos(ang) * 6.0
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if npc_line_ok(p.x, p.z, x, z) {
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p.via_on = true
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p.vx = x
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p.vz = z
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p.yaw = ang
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return true
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}
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}
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return false
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}
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function np_stuck(npc_st: mut NpcState, p: NpcPerson) -> void {
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p.fails += 1
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p.via_on = false
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if p.fails >= 3 {
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p.fails = 0
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npc_wander(npc_st, p)
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} else { npc_plan(npc_st, p) }
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}
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