45 lines
1.4 KiB
Text
45 lines
1.4 KiB
Text
# winter.ludic - where a range winters, and a range the map paints rather than the dice
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# downhill, toward the timber, never into the water: shelter is worth 25 m of height
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function wl_pick_winter(r: WildRange) -> void {
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let up = WildlifeWorld.ground(r.sx, r.sz) - WildlifeWorld.water(r.sx, r.sz)
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let reach = Math.min(60.0 + up * 6.0, 520.0)
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r.wx = r.sx
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r.wz = r.sz
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var best = up
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for k in 0 .. 24 {
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let ang = float(k) * Math.deg_to_rad(15.0)
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for step in 1 .. 5 {
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let d = reach * (float(step) / 4.0)
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let px = r.sx + Math.cos(ang) * d
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let pz = r.sz + Math.sin(ang) * d
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let h = WildlifeWorld.ground(px, pz) - WildlifeWorld.water(px, pz)
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if h < 3.0 or WildlifeWorld.slope(px, pz) > 0.6 { continue }
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var score = h
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if WildlifeWorld.forest(px, pz) { score = score - 25.0 }
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if score < best {
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best = score
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r.wx = px
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r.wz = pz
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}
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}
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}
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}
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# the map's own k-th range for a species, when it paints one: no dice drawn
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function wl_range_painted(wildlife_st: mut WildlifeState, sp: int, k: int) -> bool {
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let q = wildlife_st.wl_ask_rg
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q.r = 0.0
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if not WildlifeWorld.range_at(sp, k, q) { return false }
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let r = new WildRange
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r.sp = sp
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r.x = q.x
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r.z = q.z
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r.r = q.r
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if r.r <= 0.0 { r.r = wl_sp(wildlife_st, sp).range }
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r.sx = r.x
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r.sz = r.z
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wl_pick_winter(r)
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push(wildlife_ranges(wildlife_st), r)
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return true
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}
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