From f6f08735ffaf794858e173b41aa894c3aec2961c Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Wed, 15 Apr 2026 00:07:13 +0200
Subject: [PATCH] Add project sequence templates

---
 src/sequencer/project-sequence-templates.ts | 115 ++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/sequencer/project-sequence-templates.ts

diff --git a/src/sequencer/project-sequence-templates.ts b/src/sequencer/project-sequence-templates.ts
new file mode 100644
index 00000000..890d8add
--- /dev/null
+++ b/src/sequencer/project-sequence-templates.ts
@@ -0,0 +1,115 @@
+import type { ProjectDialogue } from "../dialogues/project-dialogues";
+import type { InteractableEntity, TriggerVolumeEntity } from "../entities/entity-instances";
+import {
+  createProjectScheduleEffectFromOption,
+  listProjectScheduleEffectOptions,
+  type ProjectScheduleTargetOption
+} from "../scheduler/project-schedule-control-options";
+
+import { createProjectSequence, type ProjectSequence } from "./project-sequences";
+
+type SequenceInteractionSource = Pick<InteractableEntity, "id" | "kind" | "name"> &
+  Partial<Pick<TriggerVolumeEntity, "name">>;
+
+function formatSequenceSourceLabel(source: SequenceInteractionSource): string {
+  const normalizedName = source.name?.trim() ?? "";
+
+  if (normalizedName.length > 0) {
+    return normalizedName;
+  }
+
+  return source.kind === "interactable" ? "Interactable" : "Trigger Volume";
+}
+
+function resolvePreferredInteractionTargetOption(
+  source: SequenceInteractionSource,
+  targetOptions: ProjectScheduleTargetOption[]
+): ProjectScheduleTargetOption | null {
+  if (source.kind !== "interactable") {
+    return null;
+  }
+
+  return (
+    targetOptions.find(
+      (targetOption) =>
+        targetOption.target.kind === "interaction" &&
+        targetOption.target.interactionKind === "interactable" &&
+        targetOption.target.entityId === source.id
+    ) ?? null
+  );
+}
+
+function resolveFallbackImpulseTargetOption(
+  source: SequenceInteractionSource,
+  targetOptions: ProjectScheduleTargetOption[]
+): ProjectScheduleTargetOption | null {
+  const preferredTargetOption = resolvePreferredInteractionTargetOption(
+    source,
+    targetOptions
+  );
+
+  if (preferredTargetOption !== null) {
+    return preferredTargetOption;
+  }
+
+  return (
+    targetOptions.find(
+      (targetOption) => listProjectScheduleEffectOptions(targetOption).length > 0
+    ) ?? null
+  );
+}
+
+export function createDefaultInteractionProjectSequence(options: {
+  source: SequenceInteractionSource;
+  dialogues: ProjectDialogue[];
+  targetOptions: ProjectScheduleTargetOption[];
+}): ProjectSequence {
+  const sourceLabel = formatSequenceSourceLabel(options.source);
+  const defaultDialogue = options.dialogues[0] ?? null;
+
+  if (defaultDialogue !== null) {
+    return createProjectSequence({
+      title: `${sourceLabel} Dialogue`,
+      steps: [
+        {
+          stepClass: "impulse",
+          type: "startDialogue",
+          dialogueId: defaultDialogue.id
+        }
+      ]
+    });
+  }
+
+  const targetOption = resolveFallbackImpulseTargetOption(
+    options.source,
+    options.targetOptions
+  );
+
+  if (targetOption === null) {
+    throw new Error(
+      "Author a project dialogue or a sequencer-addressable control target before creating a sequence link."
+    );
+  }
+
+  const effectOption = listProjectScheduleEffectOptions(targetOption)[0] ?? null;
+
+  if (effectOption === null) {
+    throw new Error(
+      "The selected control target does not expose a sequence-editable effect yet."
+    );
+  }
+
+  return createProjectSequence({
+    title: `${sourceLabel} Sequence`,
+    steps: [
+      {
+        stepClass: "impulse",
+        type: "controlEffect",
+        effect: createProjectScheduleEffectFromOption({
+          targetOption,
+          effectOptionId: effectOption.id
+        })
+      }
+    ]
+  });
+}