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feat(editor): click-to-place path points for river/road carver

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- River/Road tool now uses click-capture mode instead of button-based
  cursor position — click terrain directly to set start and end points
- 3-step flow: Click Start → Click End → Apply Path (with preview text)
- Cancel button available at each step
- Path state tracked on EditorUI with setPathPoint()/clearPath()
- Intercepts terrain clicks before mode-specific handling when active
This commit is contained in:
Kelsi 2026-05-05 13:00:23 -07:00
parent 4e2f704124
commit 6b3cdd325a
3 changed files with 91 additions and 37 deletions
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19
tools/editor/editor_app.cpp
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@ -360,8 +360,25 @@ void EditorApp::processEvents() {
giz.endDrag();
giz.setMode(TransformMode::None);
} else if (event.type == SDL_MOUSEBUTTONDOWN) {
// Path point capture (river/road tool)
if (ui_.getPathCapture() != EditorUI::PathCapture::None) {
auto ext = window_->getVkContext()->getSwapchainExtent();
rendering::Ray ray = camera_.getCamera().screenToWorldRay(
static_cast<float>(event.button.x),
static_cast<float>(event.button.y),
static_cast<float>(ext.width),
static_cast<float>(ext.height));
glm::vec3 hitPos;
if (terrainEditor_.raycastTerrain(ray, hitPos)) {
ui_.setPathPoint(hitPos);
if (ui_.getPathCapture() == EditorUI::PathCapture::None && ui_.isPathReady())
showToast("Both points set — click Apply Path");
else if (ui_.getPathCapture() == EditorUI::PathCapture::WaitingEnd)
showToast("Start point set — click terrain for end");
}
}
// Ctrl+click = select object (any mode)
if ((event.key.keysym.mod & KMOD_CTRL) || (SDL_GetModState() & KMOD_CTRL)) {
else if ((event.key.keysym.mod & KMOD_CTRL) || (SDL_GetModState() & KMOD_CTRL)) {
auto ext = window_->getVkContext()->getSwapchainExtent();
rendering::Ray ray = camera_.getCamera().screenToWorldRay(
static_cast<float>(event.button.x),