From 4ec94c97879aafef15f7663135745e4ba61e62cf Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Mon, 17 May 2021 00:15:33 +0200
Subject: Extract first public LiterateLB version

---
 tangle/util/noise.h | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 tangle/util/noise.h

(limited to 'tangle/util/noise.h')

diff --git a/tangle/util/noise.h b/tangle/util/noise.h
new file mode 100644
index 0000000..22ad548
--- /dev/null
+++ b/tangle/util/noise.h
@@ -0,0 +1,39 @@
+#pragma once
+#include "assets.h"
+#include "texture.h"
+
+#include <imgui.h>
+#include <imgui-SFML.h>
+#include <SFML/Graphics.hpp>
+
+struct NoiseSource {
+  const assets::File* current;
+  sf::Texture texture;
+
+  NoiseSource(cudaSurfaceObject_t& noise) {
+    current = &assets::noise::files[0];
+    texture.loadFromMemory(current->data, current->size);
+    noise = bindTextureToCuda(texture);
+  }
+
+  void interact();
+};
+
+void NoiseSource::interact() {
+  ImGui::Image(texture, sf::Vector2f(32,20));
+  ImGui::SameLine();
+  if (ImGui::BeginCombo("Noise", current->name.c_str())) {
+    for (unsigned i=0; i < assets::noise::file_count; ++i) {
+      bool is_selected = (current == &assets::noise::files[i]);
+      if (ImGui::Selectable(assets::noise::files[i].name.c_str(), is_selected)) {
+        current = &assets::noise::files[i];
+        texture.loadFromMemory(current->data, current->size);
+        break;
+      }
+      if (is_selected) {
+        ImGui::SetItemDefaultFocus();
+      }
+    }
+    ImGui::EndCombo();
+  }
+}
-- 
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