37 lines
1.4 KiB
C#
37 lines
1.4 KiB
C#
|
using Theriapolis.Core.Data;
|
||
|
|
using Theriapolis.Core.Tactical;
|
||
|
|
|
||
|
|
namespace Theriapolis.Core.Rules.Combat;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Maps a <see cref="TacticalSpawn"/> + chunk's <see cref="TacticalChunk.DangerZone"/>
|
||
|
|
/// to the actual <see cref="NpcTemplateDef"/> that should spawn there.
|
||
|
|
/// Lookup table lives in <c>npc_templates.json</c>'s
|
||
|
|
/// <c>spawn_kind_to_template_by_zone</c> map (loaded into
|
||
|
|
/// <see cref="NpcTemplateContent.SpawnKindToTemplateByZone"/>).
|
||
|
|
///
|
||
|
|
/// Returns null when no template is configured for the spawn kind/zone (the
|
||
|
|
/// caller should skip that spawn — chunk is silently denser, that's OK).
|
||
|
|
/// </summary>
|
||
|
|
public static class NpcInstantiator
|
||
|
|
{
|
||
|
|
public static NpcTemplateDef? PickTemplate(
|
||
|
|
SpawnKind kind,
|
||
|
|
int dangerZone,
|
||
|
|
NpcTemplateContent content)
|
||
|
|
{
|
||
|
|
if (kind == SpawnKind.None) return null;
|
||
|
|
string kindKey = kind.ToString();
|
||
|
|
if (!content.SpawnKindToTemplateByZone.TryGetValue(kindKey, out var byZone))
|
||
|
|
return null;
|
||
|
|
if (byZone.Length == 0) return null;
|
||
|
|
// Clamp the zone index to the table's length.
|
||
|
|
int zoneIdx = System.Math.Clamp(dangerZone, 0, byZone.Length - 1);
|
||
|
|
string templateId = byZone[zoneIdx];
|
||
|
|
foreach (var t in content.Templates)
|
||
|
|
if (string.Equals(t.Id, templateId, System.StringComparison.OrdinalIgnoreCase))
|
||
|
|
return t;
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
}
|