public Assignment AssignItems(Random random, RandomizerOptions options, Preset preset)
{
List <string> itemOrder = new List <string>(items);
// Right now, assign key items in a random order, with endgame items last.
// We will get more devious runs from assigning later items later, may be worth looking into, especially for game with clear phases like Sekiro has.
Shuffle(random, itemOrder);
bool isEndgame(string i) => i.StartsWith("cinder") || i == "secretpassagekey";
itemOrder = itemOrder.OrderBy(i => isEndgame(i) ? 1 : 0).ToList();
// In race mode, always put shinobiprosthetic and younglordsbellcharm first, since there is only one ashinaoutskirts_template spot for key item placement logic
if (ann.RaceModeItems.Count > 0)
{
itemOrder = itemOrder.OrderBy(i => i == "shinobiprosthetic" || i == "younglordsbellcharm" ? 0 : 1).ToList();
}
Assignment ret = new Assignment();
// Find which events are required to access other things, and do not give them as much weight as dead ends with placement biases
foreach (Node node in nodes.Values)
{
if (node.Req != null)
{
ret.RequiredEvents.UnionWith(node.Req.FreeVars().Where(v => ann.Events.ContainsKey(v)));
}
}
// First assign ashes for key item placement. Other quest assignments can happen later.
// TODO: Make ashes its own system, rather than abusing quest system.
if (ann.ItemGroups.ContainsKey("ashes"))
{
List <string> ashesOrder = new List <string>(areas);
ashesOrder = WeightedShuffle(random, ashesOrder, loc => Math.Min(nodes[loc].KeyCount - nodes[loc].Counts[UniqueCategory.KEY_SHOP], 3));
int ashesIndex = 0;
foreach (KeyValuePair <LocationScope, SlotAnnotation> entry in ann.Slots)
{
LocationScope scope = entry.Key;
SlotAnnotation slot = entry.Value;
HashSet <string> tags = slot.GetTags();
// Unique item unlocks other unique items unconditionally - can add a location for key item. Mainly for ashes.
if (slot.QuestReqs != null && !slot.HasAnyTags(ann.NoKeyTags) && scope.UniqueId > 0 && slot.ItemReqs.Count == 1)
{
ItemKey key = slot.ItemReqs[0];
if (ret.Assign.ContainsKey(key))
{
throw new Exception($"Multiple assignments for {slot.QuestReqs}");
}
string selected = ashesOrder[ashesIndex++];
if (explain)
{
Console.WriteLine($"Assigning key quest item {slot.QuestReqs} to {selected}");
}
int ashesCount = data.Location(scope).Count;
nodes[selected].AddShopCapacity(false, ashesCount);
nodes[selected].AddItem(false, false);
ret.Assign[key] = new HashSet <string> {
selected
};
if (ann.AreaEvents.TryGetValue(selected, out List <string> events))
{
ret.Assign[key].UnionWith(events);
}
}
}
}
if (explain)
{
int raceModeCount = 0;
foreach (string area in areas)
{
int rmode = nodes[area].Count(false, true);
if (rmode > 0)
{
Console.WriteLine($"RACEMODE {area}: {rmode}");
raceModeCount += rmode;
}
}
Console.WriteLine($"TOTAL: {raceModeCount}");
}
Dictionary <string, string> forcemap = new Dictionary <string, string>();
if (options["norandom"])
{
foreach (string item in itemOrder)
{
ItemKey itemKey = ann.Items[item];
// Some hardcoding for Path of the Dragon which is not an actual item
if (item == "pathofthedragon")
{
forcemap[item] = "highwall_garden";
}
else
{
ItemLocation loc = data.Data[itemKey].Locations.Values.First();
SlotAnnotation sn = ann.Slot(loc.LocScope);
forcemap[item] = sn.Area;
}
}
}
else if (preset?.Items != null)
{
foreach (KeyValuePair <string, string> entry in preset.Items)
{
forcemap[entry.Key] = entry.Value;
}
}
// Assign key items
bool debugChoices = false;
float scaling = options.GetNum("keyitemchainweight");
Dictionary <string, Expr> reqs = CollapseReqs();
foreach (string item in itemOrder)
{
List <string> allowedAreas = areas.Where(a => !reqs[a].Needs(item)).ToList();
if (debugChoices)
{
Console.WriteLine($"\n> {item} not allowed in areas: {string.Join(",", areas.Where(a => !allowedAreas.Contains(a)))}");
}
bool redundant = allowedAreas.Count == areas.Count;
HashSet <string> neededForEvent = itemEvents.TryGetValue(item, out HashSet <string> ev) ? ev : null;
allowedAreas.RemoveAll(a => ann.Areas[a].Until != null && (neededForEvent == null || !neededForEvent.Contains(ann.Areas[a].Until)));
Dictionary <string, float> specialScaling = new Dictionary <string, float>();
if (item == "smalllothricbanner")
{
specialScaling = allowedAreas.Where(area => ann.Areas[area].BoringKeyItem).ToDictionary(area => area, _ => 1 / scaling);
}
// A bit hacky, but prevent Small Lothric Banner from being so prevalent in Firelink Shrine
Dictionary <string, float> weights = allowedAreas.ToDictionary(area => area, area => Weight(area) * (specialScaling.TryGetValue(area, out float sp) ? sp : 1));
if (debugChoices)
{
Console.WriteLine($"> Choices for {item}: " + string.Join(", ", allowedAreas.OrderBy(a => weights[a]).Select(a => $"{a} {weights[a]}")));
}
string selected = WeightedChoice(random, allowedAreas, a => weights[a]);
if (forcemap.TryGetValue(item, out string forced))
{
if (explain && !allowedAreas.Contains(forced))
{
Console.WriteLine($"Key item {item} put in non-random location {forced} which isn't normally allowed by logic");
}
selected = forced;
}
AddItem(item, selected, forced != null);
ItemKey itemKey = ann.Items[item];
ret.Priority.Add(itemKey);
ret.Assign[itemKey] = new HashSet <string> {
selected
};
// Areas should include events there. Except for bell charm being dropped by chained ogre, if that option is enabled
// todo: check this works okay with racemode key items, and nothing else randomized.
if (!(item == "younglordsbellcharm" && options["earlyhirata"]))
{
if (ann.AreaEvents.TryGetValue(selected, out List <string> events))
{
ret.Assign[itemKey].UnionWith(events);
}
}
if (explain || debugChoices)
{
Console.WriteLine($"Adding {item} to {string.Join(",", ret.Assign[itemKey])}");
}
// Update weights
reqs = CollapseReqs();
// If item was not really needed, don't update weighhts
if (redundant)
{
if (explain)
{
Console.WriteLine($"{item} is redundant to another key item (does not uniquely make new areas available)");
}
continue;
}
// Heuristic which forms chains and spreads items across areas
// Reduce weight for this area, and increase weight for areas which depend on the item
AdjustWeight(selected, 1 / scaling);
HashSet <string> addedAreas = new HashSet <string>();
foreach (string area in areas)
{
if (addedAreas.Contains(combinedWeights[area].First()))
{
continue;
}
if (reqs[area].Needs(item))
{
AdjustWeight(area, scaling);
addedAreas.Add(combinedWeights[area].First());
}
}
}
// The last placed item has the highest priority
ret.Priority.Reverse();
// Now that all key items have been assigned, determine which areas are blocked by other areas.
// This is used to determine lateness within the game (by # of items encountered up to that point).
HashSet <string> getIncludedAreas(string name, List <string> path)
{
path = path.Concat(new[] { name }).ToList();
if (!nodes.TryGetValue(name, out Node node))
{
throw new Exception($"Bad options: no way to access area \"{name}\"");
}
if (ret.IncludedAreas.ContainsKey(name))
{
if (ret.IncludedAreas[name] == null)
{
throw new Exception($"Loop from {name} to {node.Req} - path {string.Join(",", path)}");
}
return(ret.IncludedAreas[name]);
}
ret.IncludedAreas[name] = null;
HashSet <string> result = new HashSet <string>();
// Add all nodes for now, but remove items later
if (areas.Contains(name) || ann.Events.ContainsKey(name) || ann.Items.ContainsKey(name))
{
result.Add(name);
}
foreach (string free in node.Req.FreeVars())
{
if (!(loops.ContainsKey(name) && loops[name].Contains(free)))
{
result.UnionWith(getIncludedAreas(free, path));
}
}
ret.IncludedAreas[name] = result;
return(result);
};
foreach (Node node in nodes.Values)
{
getIncludedAreas(node.Name, new List <string>());
// Redefine weights for quest selection
node.Weight = 1;
if (areas.Contains(node.Name))
{
node.CumKeyCount = ret.IncludedAreas[node.Name].Where(n => nodes[n].Counts != null).Select(n => nodes[n].Count(true, true)).Sum();
if (explain && false)
{
Console.WriteLine($"Quest area {node.Name}: {node.Count(true, true)}/{node.CumKeyCount}: {string.Join(",", ret.IncludedAreas[node.Name])}");
}
}
}
// Find out which items are required to access the ending, while items are still included in the graph.
// For hints later.
// Also do this in DS3 after deciding where to add hints.
if (ret.IncludedAreas.TryGetValue("ashinareservoir_end", out HashSet <string> requiredForEnd))
{
List <ItemKey> requiredItems = requiredForEnd.Where(t => ann.Items.ContainsKey(t)).Select(t => ann.Items[t]).ToList();
ret.NotRequiredKeyItems.UnionWith(ret.Priority.Except(requiredItems));
}
// The above DFS adds both items and areas together, so remove the items.
foreach (string key in ret.IncludedAreas.Keys.ToList())
{
if (ann.Items.ContainsKey(key))
{
ret.IncludedAreas.Remove(key);
}
else
{
ret.IncludedAreas[key].RemoveWhere(v => ann.Items.ContainsKey(v));
}
}
foreach (string area in unusedAreas)
{
ret.IncludedAreas[area] = new HashSet <string>();
}
// Make an area order
List <string> areaOrder = areas.OrderBy(a => nodes[a].CumKeyCount).ToList();
Dictionary <string, int> areaIndex = Enumerable.Range(0, areaOrder.Count()).ToDictionary(i => areaOrder[i], i => i);
string latestArea(IEnumerable <string> ns)
{
return(areaOrder[ns.Select(n => areaIndex.TryGetValue(n, out int i) ? i : throw new Exception($"No order for area {n}")).DefaultIfEmpty().Max()]);
public void RandomizeTrees(Random random, Permutation permutation, SkillSplitter.Assignment split)
{
// >= 700: prosthetics
// < 400: skills before mushin
GameEditor editor = game.Editor;
PARAM param = game.Params["SkillParam"];
// Orderings for skills which completely supersede each other. (For prosthetics, just use their natural id ordering)
Dictionary <int, int> skillOrderings = new Dictionary <int, int>
{
[110] = 111, // Nightjar slash
[210] = 211, // Ichimonji
[310] = 311, // Praying Strikes
};
Dictionary <int, ItemKey> texts = new Dictionary <int, ItemKey>
{
[0] = game.ItemForName("Shinobi Esoteric Text"),
[1] = game.ItemForName("Prosthetic Esoteric Text"),
[2] = game.ItemForName("Ashina Esoteric Text"),
[3] = game.ItemForName("Senpou Esoteric Text"),
// [4] = game.ItemForName("Mushin Esoteric Text"),
};
SortedDictionary <ItemKey, string> names = game.Names();
string descName(int desc)
{
return(names[new ItemKey(ItemType.WEAPON, desc)]);
}
Dictionary <int, SkillData> allData = new Dictionary <int, SkillData>();
Dictionary <int, SkillSlot> allSlots = new Dictionary <int, SkillSlot>();
Dictionary <ItemKey, SkillData> skillItems = new Dictionary <ItemKey, SkillData>();
List <SkillData> skills = new List <SkillData>();
List <SkillSlot> skillSlots = new List <SkillSlot>();
List <SkillData> prosthetics = new List <SkillData>();
List <SkillSlot> prostheticSlots = new List <SkillSlot>();
bool explain = false;
foreach (PARAM.Row r in param.Rows)
{
SkillData data = new SkillData
{
ID = (int)r.ID,
Item = (int)r["SkilLDescriptionId"].Value,
Equip = (int)r["Unk1"].Value,
Flag = (int)r["EventFlagId"].Value,
Placeholder = (int)r["Unk5"].Value,
SpEffects = new[] { (int)r["Unk2"].Value, (int)r["Unk3"].Value },
EmblemChange = (byte)r["Unk10"].Value != 0,
};
data.Key = new ItemKey(ItemType.WEAPON, data.Item);
skillItems[data.Key] = data;
SkillSlot slot = new SkillSlot
{
ID = (int)r.ID,
Col = (short)r["MenuDisplayPositionIndexXZ"].Value,
Row = (short)r["MenuDisplayPositionIndexY"].Value,
Text = data.ID < 400 && texts.TryGetValue((byte)r["Unk7"].Value, out ItemKey text) ? text : null,
};
if (explain)
{
Console.WriteLine($"{r.ID}: {data.Item}, {data.Equip}, {descName(data.Item)}");
}
if (data.ID < 400)
{
skills.Add(data);
skillSlots.Add(slot);
}
else if (data.ID >= 700)
{
prosthetics.Add(data);
prostheticSlots.Add(slot);
}
allData[data.ID] = data;
allSlots[slot.ID] = slot;
}
void applyData(PARAM.Row r, SkillData data)
{
r["SkilLDescriptionId"].Value = data.Item;
r["EventFlagId"].Value = data.Flag;
r["Unk1"].Value = data.Equip;
r["Unk2"].Value = data.SpEffects[0];
r["Unk3"].Value = data.SpEffects[0];
r["Unk5"].Value = data.Placeholder;
r["Unk10"].Value = (byte)(data.EmblemChange ? 1 : 0);
}
Shuffle(random, skills);
Shuffle(random, skillSlots);
Shuffle(random, prosthetics);
Shuffle(random, prostheticSlots);
// Skills rando
if (split == null)
{
Dictionary <ItemKey, string> textWeight = new Dictionary <ItemKey, string>();
Dictionary <ItemKey, string> textLocations = texts.Values.ToDictionary(t => t, t => {
SlotKey target = permutation.GetFiniteTargetKey(t);
textWeight[t] = permutation.GetLogOrder(target);
SlotAnnotation sn = ann.Slot(data.Location(target).LocScope);
if (explain)
{
Console.WriteLine($"{game.Name(t)} in {sn.Area} - {sn.Text}. Lateness {(permutation.ItemLateness.TryGetValue(t, out double val) ? val : -1)}");
}
return(sn.Area);
});