content browser and textures on entity sprites

editor/src/editor.cpp

@@ -1,3 +1,4 @@
+#include "open_engine/application.hpp"
 #include <open_engine/entry_point.hpp>
 
 #include <open_engine.hpp>
@@ -9,8 +10,8 @@
 #include <overlay.hpp>
 #include <modding.hpp>
 
-EditorApp::EditorApp()
-    : Application("OpenEngine Editor")
+EditorApp::EditorApp(OpenEngine::ApplicationCommandLineArgs args)
+    : Application("OpenEngine Editor", args)
 {
     OpenEngine::Ref<OpenEngine::Layer> modding_layer = OpenEngine::CreateRef<Modding>();
     OpenEngine::Ref<OpenEngine::Layer> editor_layer = OpenEngine::CreateRef<OpenEngine::EditorLayer>();
@@ -25,8 +26,8 @@ EditorApp::~EditorApp()
 {
 }
 
-OpenEngine::Application* OpenEngine::CreateApplication()
+OpenEngine::Application* OpenEngine::CreateApplication(OpenEngine::ApplicationCommandLineArgs args)
 {
     OE_INFO("Editor Starting...");
-    return new EditorApp();
+    return new EditorApp(args);
 }

editor/src/editor_component.cpp

@@ -1,3 +1,4 @@
+#include "imgui.h"
 #include <editor_component.hpp>
 #include <open_engine.hpp>
 
@@ -106,6 +107,16 @@ namespace OpenEngine {
     {
         auto& sprite = registry.get<SpriteRendererComponent>(entity);
         ImGui::ColorEdit4("color", glm::value_ptr(sprite.color));
+        ImGui::Button("Texture", { 100, 0 });
+
+        if (ImGui::BeginDragDropTarget()) {
+            if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("CONTENT_BROWSER_PAYLOAD"))
+                sprite.texture = Texture2D::Create(((const char*)payload->Data));
+
+            ImGui::EndDragDropTarget();
+        }
+
+        ImGui::DragFloat("Tiling factor", &sprite.tiling_factor);
     };
 
     void CameraOnImGuiRender(entt::registry& registry, entt::entity entity) 

editor/src/panels/content_browser.cpp

@@ -0,0 +1,88 @@
+#include "imgui_internal.h"
+#include <cstdint>
+#include <cstring>
+#include <panels/content_browser.hpp>
+
+#include <open_engine/renderer/texture.hpp>
+#include <open_engine/logging.hpp>
+#include <filesystem>
+#include <imgui.h>
+
+namespace OpenEngine {
+
+    const std::filesystem::path assets_directory = "assets";
+
+    ContentBrowserPanel::ContentBrowserPanel()
+        : current_directory(assets_directory)
+    {
+        // TODO: Add file texture. Get free icons and add license
+        folder_icon = Texture2D::Create("resources/textures/folder.png");
+    }
+
+    void ContentBrowserPanel::OnImGuiRender()
+    {
+        ImGui::Begin("Assets");
+
+        ImGui::Text("%s", current_directory.c_str());
+
+        if (current_directory != assets_directory)
+            if (ImGui::Button(".."))
+                current_directory = current_directory.parent_path();
+
+        auto directory_it = std::filesystem::directory_iterator(current_directory);
+
+        ImVec2 button_size = { 100, 100 };
+        auto panel_width = ImGui::GetContentRegionAvail().x;
+        uint32_t table_columns = (int)(panel_width / button_size.x) - 1;
+
+        if (table_columns <= 0)
+            table_columns = 1;
+
+        ImVec2 padding( 9, 9 );
+
+        ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, padding);
+
+        if (ImGui::BeginTable("table1", table_columns, ImGuiTableFlags_SizingFixedSame))
+        {
+            for (auto& entry : directory_it) {
+                auto file_name = entry.path().filename().string();
+
+                ImGui::PushID(file_name.c_str());
+
+                ImGui::TableNextColumn();
+
+                ImGui::PushStyleColor(ImGuiCol_Button, { 0.0f, 0.0f, 0.0f, 0.0f });
+                ImGui::PushStyleColor(ImGuiCol_ButtonHovered, { 0.192f, 0.196f, 0.266f, 1.0f });
+                ImGui::PushStyleColor(ImGuiCol_ButtonActive, { 0.270f, 0.278f, 0.352f, 1.0f });
+
+                ImGui::BeginGroup();
+                ImGui::ImageButton("##X", (ImTextureID)folder_icon->GetID(), button_size, { 0, 1 }, { 1, 0 });
+                if (entry.is_regular_file() && ImGui::BeginDragDropSource()) {
+                    const char* source = entry.path().c_str();
+                    ImGui::SetDragDropPayload("CONTENT_BROWSER_PAYLOAD", source, (strlen(source) + 1) * sizeof(char), ImGuiCond_Once);
+
+                    ImGui::EndDragDropSource();
+                }
+
+                float columnWidth = ImGui::GetColumnWidth();
+                float textWidth = ImGui::CalcTextSize(file_name.c_str()).x;
+                ImGui::SetCursorPosX(ImGui::GetCursorPosX() + (columnWidth - textWidth) * 0.5f);
+                ImGui::TextWrapped("%s", file_name.c_str());
+
+                ImGui::EndGroup();
+
+                if (entry.is_directory()) {
+                    if (ImGui::IsItemHovered() && ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left))
+                        current_directory = entry.path().c_str();
+                }
+
+                ImGui::PopStyleColor(3);
+                ImGui::PopID();
+            }
+            ImGui::EndTable();
+        }
+        ImGui::PopStyleVar();
+
+        ImGui::End();
+    }
+}