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feat(editor): procedural noise generator, sky presets, viewport lighting

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- Noise Generator in Sculpt panel: applies procedural value noise
  with configurable frequency, amplitude, octaves, and seed
  to create hills/valleys across entire tile instantly
- Sky/Lighting presets: View > Sky menu with Day (blue sky, high sun),
  Dusk (orange, low sun), Night (dark blue, moonlight)
- Viewport clear color and light direction now configurable at runtime
- Noise uses smoothstep interpolation with octave fractal layering
This commit is contained in:
Kelsi 2026-05-05 04:40:37 -07:00
parent f5fe9a0101
commit 42749e9b58
7 changed files with 108 additions and 2 deletions
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25
tools/editor/editor_ui.cpp
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@ -101,6 +101,13 @@ void EditorUI::renderMenuBar(EditorApp& app) {
if (ImGui::MenuItem("Wireframe", "F3", &wf)) app.setWireframe(wf);
if (ImGui::MenuItem("Reset Camera")) app.resetCamera();
ImGui::Separator();
if (ImGui::BeginMenu("Sky / Lighting")) {
if (ImGui::MenuItem("Day")) app.setSkyPreset(0);
if (ImGui::MenuItem("Dusk")) app.setSkyPreset(1);
if (ImGui::MenuItem("Night")) app.setSkyPreset(2);
ImGui::EndMenu();
}
ImGui::Separator();
if (ImGui::MenuItem("Save Bookmark", "F5")) app.saveBookmark("");
auto& bmarks = app.getBookmarks();
if (!bmarks.empty() && ImGui::BeginMenu("Load Bookmark")) {
@ -230,6 +237,24 @@ void EditorUI::renderBrushPanel(EditorApp& app) {
if (ImGui::IsItemHovered())
ImGui::SetTooltip("Set target height from cursor position");
}
ImGui::Separator();
if (ImGui::CollapsingHeader("Noise Generator")) {
static float noiseFreq = 0.005f;
static float noiseAmp = 20.0f;
static int noiseOctaves = 4;
static int noiseSeed = 42;
ImGui::SliderFloat("Frequency", &noiseFreq, 0.001f, 0.05f, "%.4f");
ImGui::SliderFloat("Amplitude", &noiseAmp, 1.0f, 200.0f, "%.0f");
ImGui::SliderInt("Octaves", &noiseOctaves, 1, 8);
ImGui::InputInt("Seed", &noiseSeed);
if (ImGui::Button("Apply Noise", ImVec2(-1, 0))) {
app.getTerrainEditor().applyNoise(noiseFreq, noiseAmp, noiseOctaves,
static_cast<uint32_t>(noiseSeed));
}
ImGui::TextColored(ImVec4(0.6f, 0.6f, 0.6f, 1),
"Adds procedural hills/valleys to entire tile");
}
ImGui::Separator();
ImGui::Text("Terrain Holes (cave entrances):");
auto& brush = app.getTerrainEditor().brush();