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feat(editor): transform gizmo works on selected NPCs

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Selected NPCs now display the move/rotate/scale gizmo and respond to
drag operations. Rotate uses only the yaw axis (NPCs have a single
orientation field, not full euler rotation). Move/scale work the same
way as objects.
This commit is contained in:
Kelsi 2026-05-06 01:31:34 -07:00
parent b49cb344ac
commit 8daa81eecb
1 changed files with 21 additions and 2 deletions
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23
tools/editor/editor_app.cpp
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@ -125,10 +125,13 @@ void EditorApp::run() {
lastNpcCount_ = npcCount;
}
// Show gizmo arrows on selected object
// Show gizmo arrows on selected object or NPC. NPCs only support move
// (rotation is via the orientation slider; scale via the slider).
auto& gizmo = viewport_.getGizmo();
if (auto* sel = objectPlacer_.getSelected()) {
gizmo.setTarget(sel->position, sel->scale);
} else if (auto* npc = npcSpawner_.getSelected()) {
gizmo.setTarget(npc->position, npc->scale);
} else {
gizmo.setMode(TransformMode::None);
}
@ -435,7 +438,7 @@ void EditorApp::processEvents() {
camera_.getCamera(),
static_cast<float>(ext.width),
static_cast<float>(ext.height));
// Apply transform to selected object
// Apply transform to selected object or NPC.
if (auto* sel = objectPlacer_.getSelected()) {
if (giz.getMode() == TransformMode::Move) {
sel->position += giz.getMoveDelta();
@ -449,6 +452,22 @@ void EditorApp::processEvents() {
}
giz.setTarget(sel->position, sel->scale);
objectsDirty_ = true;
} else if (auto* npc = npcSpawner_.getSelected()) {
if (giz.getMode() == TransformMode::Move) {
npc->position += giz.getMoveDelta();
giz.beginDrag(glm::vec2(event.motion.x, event.motion.y));
} else if (giz.getMode() == TransformMode::Rotate) {
// Apply yaw component only — NPCs only have orientation.
npc->orientation += glm::degrees(giz.getRotateDelta().z);
while (npc->orientation >= 360.0f) npc->orientation -= 360.0f;
while (npc->orientation < 0.0f) npc->orientation += 360.0f;
giz.beginDrag(glm::vec2(event.motion.x, event.motion.y));
} else if (giz.getMode() == TransformMode::Scale) {
npc->scale = std::max(0.1f, npc->scale + giz.getScaleDelta());
giz.beginDrag(glm::vec2(event.motion.x, event.motion.y));
}
giz.setTarget(npc->position, npc->scale);
objectsDirty_ = true;
}
} else {
camera_.processMouseMotion(event.motion.xrel, event.motion.yrel);