Add transform session command and core logic

2026-04-03 02:09:14 +02:00
parent 2d4fdfa427
commit e6d9704b49
3 changed files with 698 additions and 0 deletions
--- a/src/commands/commit-transform-session-command.ts
+++ b/src/commands/commit-transform-session-command.ts
@@ -0,0 +1,149 @@
+import { createMoveBoxBrushCommand } from "./move-box-brush-command";
+import { createUpsertEntityCommand } from "./upsert-entity-command";
+import { createUpsertModelInstanceCommand } from "./upsert-model-instance-command";
+import type { EditorCommand } from "./command";
+import type { SceneDocument } from "../document/scene-document";
+import { createModelInstance } from "../assets/model-instances";
+import {
+  createInteractableEntity,
+  createPlayerStartEntity,
+  createPointLightEntity,
+  createSoundEmitterEntity,
+  createSpotLightEntity,
+  createTeleportTargetEntity,
+  createTriggerVolumeEntity
+} from "../entities/entity-instances";
+import {
+  getTransformOperationLabel,
+  type ActiveTransformSession
+} from "../core/transform-session";
+
+function createTransformCommandLabel(session: ActiveTransformSession): string {
+  return `${getTransformOperationLabel(session.operation)} ${
+    session.target.kind === "brush"
+      ? "box brush"
+      : session.target.kind === "entity"
+        ? session.target.entityKind === "playerStart"
+          ? "player start"
+          : session.target.entityKind === "pointLight"
+            ? "point light"
+            : session.target.entityKind === "spotLight"
+              ? "spot light"
+              : session.target.entityKind === "soundEmitter"
+                ? "sound emitter"
+                : session.target.entityKind === "triggerVolume"
+                  ? "trigger volume"
+                  : session.target.entityKind === "teleportTarget"
+                    ? "teleport target"
+                    : "interactable"
+        : "model instance"
+  }`;
+}
+
+export function createCommitTransformSessionCommand(document: SceneDocument, session: ActiveTransformSession): EditorCommand {
+  switch (session.target.kind) {
+    case "brush":
+      if (session.preview.kind !== "brush" || session.operation !== "translate") {
+        throw new Error("Brush transforms currently support translation only.");
+      }
+
+      return createMoveBoxBrushCommand({
+        brushId: session.target.brushId,
+        center: session.preview.center
+      });
+    case "modelInstance": {
+      if (session.preview.kind !== "modelInstance") {
+        throw new Error("Model instance transform preview is invalid.");
+      }
+
+      const modelInstance = document.modelInstances[session.target.modelInstanceId];
+
+      if (modelInstance === undefined) {
+        throw new Error(`Model instance ${session.target.modelInstanceId} does not exist.`);
+      }
+
+      return createUpsertModelInstanceCommand({
+        modelInstance: createModelInstance({
+          ...modelInstance,
+          position: session.preview.position,
+          rotationDegrees: session.preview.rotationDegrees,
+          scale: session.preview.scale
+        }),
+        label: createTransformCommandLabel(session)
+      });
+    }
+    case "entity": {
+      if (session.preview.kind !== "entity") {
+        throw new Error("Entity transform preview is invalid.");
+      }
+
+      const entity = document.entities[session.target.entityId];
+
+      if (entity === undefined) {
+        throw new Error(`Entity ${session.target.entityId} does not exist.`);
+      }
+
+      switch (entity.kind) {
+        case "pointLight":
+          return createUpsertEntityCommand({
+            entity: createPointLightEntity({
+              ...entity,
+              position: session.preview.position
+            }),
+            label: createTransformCommandLabel(session)
+          });
+        case "spotLight":
+          return createUpsertEntityCommand({
+            entity: createSpotLightEntity({
+              ...entity,
+              position: session.preview.position,
+              direction: session.preview.rotation.kind === "direction" ? session.preview.rotation.direction : entity.direction
+            }),
+            label: createTransformCommandLabel(session)
+          });
+        case "playerStart":
+          return createUpsertEntityCommand({
+            entity: createPlayerStartEntity({
+              ...entity,
+              position: session.preview.position,
+              yawDegrees: session.preview.rotation.kind === "yaw" ? session.preview.rotation.yawDegrees : entity.yawDegrees
+            }),
+            label: createTransformCommandLabel(session)
+          });
+        case "soundEmitter":
+          return createUpsertEntityCommand({
+            entity: createSoundEmitterEntity({
+              ...entity,
+              position: session.preview.position
+            }),
+            label: createTransformCommandLabel(session)
+          });
+        case "triggerVolume":
+          return createUpsertEntityCommand({
+            entity: createTriggerVolumeEntity({
+              ...entity,
+              position: session.preview.position
+            }),
+            label: createTransformCommandLabel(session)
+          });
+        case "teleportTarget":
+          return createUpsertEntityCommand({
+            entity: createTeleportTargetEntity({
+              ...entity,
+              position: session.preview.position,
+              yawDegrees: session.preview.rotation.kind === "yaw" ? session.preview.rotation.yawDegrees : entity.yawDegrees
+            }),
+            label: createTransformCommandLabel(session)
+          });
+        case "interactable":
+          return createUpsertEntityCommand({
+            entity: createInteractableEntity({
+              ...entity,
+              position: session.preview.position
+            }),
+            label: createTransformCommandLabel(session)
+          });
+      }
+    }
+  }
+}