From 509201784d6525fc26345e55a56ab81e4a7616b3 Mon Sep 17 00:00:00 2001
From: hnOsmium0001 <hn.osmium0001@gmail.com>
Date: Fri, 15 Apr 2022 20:30:39 -0700
Subject: Work on Material system

---
 source/EditorResources.cpp | 83 ++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 77 insertions(+), 6 deletions(-)

(limited to 'source/EditorResources.cpp')

diff --git a/source/EditorResources.cpp b/source/EditorResources.cpp
index c6d4d09..be7cefb 100644
--- a/source/EditorResources.cpp
+++ b/source/EditorResources.cpp
@@ -3,9 +3,18 @@
 #include "EditorCore.hpp"
 #include "EditorNotification.hpp"
 #include "EditorUtils.hpp"
+#include "Macros.hpp"
+#include "ScopeGuard.hpp"
 #include "Shader.hpp"
 
 #include <imgui.h>
+#include <misc/cpp/imgui_stdlib.h>
+#include <cstdlib>
+#include <limits>
+#include <string>
+#include <string_view>
+
+using namespace std::literals;
 
 EditorContentBrowser::EditorContentBrowser(EditorInstance* editor)
 	: mEditor{ editor } {
@@ -37,6 +46,9 @@ void EditorContentBrowser::Show(bool* open) {
 		if (ImGui::Selectable("Shaders", mPane == P_Shader)) {
 			mPane = P_Shader;
 		}
+		if (ImGui::Selectable("Materials", mPane == P_Material)) {
+			mPane = P_Material;
+		}
 	}
 	ImGui::EndChild();
 
@@ -49,23 +61,82 @@ void EditorContentBrowser::Show(bool* open) {
 			} break;
 
 			case P_Shader: {
-				// TODO reload shaders while keeping existing references working
-				// if (ImGui::Button("Reload from disk")) {
-				// 	ShaderManager::instance->DiscoverShaders();
-				// }
+				if (ImGui::Button("Refresh")) {
+					// TODO reload shaders while keeping existing references working
+				}
+				ImGui::SameLine();
+				if (ImGui::Button("Save all")) {
+					auto& shaders = ShaderManager::instance->GetShaders();
+					for (auto&& [DISCARD, shader] : shaders) {
+						auto info = shader->GetInfo();
+						if (info) {
+							info->SaveToFile(shader->GetDesignatedMetadataPath());
+						}
+					}
+				}
 
 				auto& shaders = ShaderManager::instance->GetShaders();
 				for (auto it = shaders.begin(); it != shaders.end(); ++it) {
-					auto name = it->first;
 					auto shader = it->second.Get();
+					auto& name = shader->GetName();
 
 					shader->GatherInfoIfAbsent();
 					auto details = shader->GetInfo();
 
 					bool selected = mEditor->GetSelectedItPtr() == shader;
-					if (ImGui::Selectable(name.data(), selected)) {
+					if (ImGui::Selectable(name.c_str(), selected)) {
 						mEditor->SelectIt(shader, EditorInstance::ITT_Shader);
 					}
+
+					if (ImGui::BeginDragDropSource()) {
+						// Reason: intentionally using pointer as Fpayload
+						ImGui::SetDragDropPayload(BRUSSEL_DRAG_DROP_SHADER, &shader, sizeof(shader)); // NOLINT(bugprone-sizeof-expression)
+						ImGui::Text("Shader '%s'", name.c_str());
+						ImGui::EndDragDropSource();
+					}
+				}
+			} break;
+
+			case P_Material: {
+				if (ImGui::Button("New")) {
+					int n = std::rand();
+					auto mat = new Material(nullptr, "Unnamed Material " + std::to_string(n));
+					auto guard = GuardDeletion(mat);
+					auto [DISCARD, inserted] = MaterialManager::instance->SaveMaterial(mat);
+					if (inserted) {
+						guard.Dismiss();
+					} else {
+						ImGui::AddNotification(ImGuiToast(ImGuiToastType_Error, "Failed to create material."));
+					}
+				}
+				ImGui::SameLine();
+				if (ImGui::Button("Refresh")) {
+					// TODO
+				}
+				ImGui::SameLine();
+				if (ImGui::Button("Save all")) {
+					auto& mats = MaterialManager::instance->GetMaterials();
+					for (auto&& [DISCARD, mat] : mats) {
+						mat->SaveToFile(mat->GetDesignatedPath());
+					}
+				}
+
+				auto& mats = MaterialManager::instance->GetMaterials();
+				for (auto it = mats.begin(); it != mats.end(); ++it) {
+					auto mat = it->second.Get();
+					auto& name = mat->GetName();
+
+					bool selected = mEditor->GetSelectedItPtr() == mat;
+					if (ImGui::Selectable(name.c_str(), selected)) {
+						mEditor->SelectIt(mat, EditorInstance::ITT_Material);
+					}
+
+					if (ImGui::BeginDragDropSource()) {
+						// Reason: intentionally using pointer as payload
+						ImGui::SetDragDropPayload(BRUSSEL_DRAG_DROP_MATERIAL, &mat, sizeof(mat)); // NOLINT(bugprone-sizeof-expression)
+						ImGui::Text("Material '%s'", name.c_str());
+						ImGui::EndDragDropSource();
+					}
 				}
 			} break;
 		}
-- 
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