Added initial implementation of SHAnimationEditor

SHADE_Engine/src/Animation/SHAnimationClip.h

@@ -56,6 +56,7 @@ namespace SHADE
     /*---------------------------------------------------------------------------------*/
     /* Constructors                                                                    */
     /*---------------------------------------------------------------------------------*/
+    SHAnimationClip() = default;
     explicit SHAnimationClip(const SHAnimAsset& asset);
     
     /*---------------------------------------------------------------------------------*/
@@ -64,7 +65,7 @@ namespace SHADE
     const std::vector<Channel>& GetChannels() const noexcept { return channels; }
     float GetTotalTime() const noexcept { return totalTime; }
 
-    private:
+    //private:
     /*---------------------------------------------------------------------------------*/
     /* Data Members                                                                    */
     /*---------------------------------------------------------------------------------*/

SHADE_Engine/src/Editor/EditorWindow/AnimationEditor/SHAnimationEditor.cpp

@@ -0,0 +1,195 @@
+/************************************************************************************//*!
+\file           SHAnimationClip.cpp
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Nov 20, 2022
+\brief          Contains the function definitions of the SHAnimationClip class.
+
+Copyright (C) 2022 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+// Pre-compiled Header
+#include "SHpch.h"
+// Primary Header
+#include "SHAnimationEditor.h"
+// External Dependencies
+#include <imgui.h>
+#include "Editor/IconsMaterialDesign.h"
+
+namespace SHADE
+{
+  /*-----------------------------------------------------------------------------------*/
+  /* Constructors                                                                      */
+  /*-----------------------------------------------------------------------------------*/
+  SHAnimationEditor::SHAnimationEditor()
+  : SHEditorWindow(ICON_MD_ANIMATION" Animation Editor", ImGuiWindowFlags_MenuBar)
+  {
+    // Construct a simple test clip
+    clip.channels.emplace_back
+    (
+      SHAnimationClip::Channel
+      {
+        .Name = "Child 1",
+        .KeyFrames = 
+        {
+          SHAnimationKeyFrame
+          {
+            .TimeStamp = 0.0f,
+            .Position = SHVec3 { 1.0f, 0.0f, 0.0f }
+          },
+          SHAnimationKeyFrame
+          {
+            .TimeStamp = 1.0f,
+            .Position = SHVec3 { 0.0f, 0.0f, 0.0f }
+          },
+          SHAnimationKeyFrame
+          {
+            .TimeStamp = 2.0f,
+            .Position = SHVec3 { 1.0f, 0.0f, 0.0f }
+          }
+        }
+      }
+    );
+    clip.channels.emplace_back
+    (
+      SHAnimationClip::Channel
+      {
+        .Name = "Child 2",
+        .KeyFrames = 
+        {
+          SHAnimationKeyFrame
+          {
+            .TimeStamp = 0.0f,
+            .Position = SHVec3 { 1.0f, 0.0f, 0.0f }
+          },
+          SHAnimationKeyFrame
+          {
+            .TimeStamp = 1.0f,
+            .Position = SHVec3 { 0.0f, 0.0f, 0.0f }
+          }
+        }
+      }
+    );
+    clip.channels.emplace_back
+    (
+      SHAnimationClip::Channel
+      {
+        .Name = "Child 3",
+        .KeyFrames = 
+        {
+          SHAnimationKeyFrame
+          {
+            .TimeStamp = 0.5f,
+            .Position = SHVec3 { 1.0f, 0.0f, 0.0f }
+          },
+          SHAnimationKeyFrame
+          {
+            .TimeStamp = 1.0f,
+            .Position = SHVec3 { 0.0f, 0.0f, 0.0f }
+          },
+          SHAnimationKeyFrame
+          {
+            .TimeStamp = 1.5f,
+            .Position = SHVec3 { 1.0f, 0.0f, 0.0f }
+          }
+        }
+      }
+    );
+    clip.totalTime = 3.0f;
+  }
+
+  
+  /*-----------------------------------------------------------------------------------*/
+  /* Editor Lifecycle                                                                  */
+  /*-----------------------------------------------------------------------------------*/
+  void SHAnimationEditor::Init()
+  {
+    SHEditorWindow::Init();
+  }
+  void SHAnimationEditor::Update()
+  {
+    SHEditorWindow::Update();
+
+    // Constants
+    static constexpr float CHANNELS_COL_WIDTH = 150.0f;
+    static constexpr float TMP_TABLE_PADDING = 50.0f;
+
+    // Render the window
+    if (Begin())
+    {
+      // Construct 2-column table of the channels on the left
+      if (ImGui::BeginTable("animWindowTable", 2, ImGuiTableFlags_None))
+      {
+        // Set up Columns
+        ImGui::TableSetupColumn("Channels", ImGuiTableColumnFlags_WidthFixed, CHANNELS_COL_WIDTH);
+        ImGui::TableSetupColumn("");
+
+        // Compute dimensions for the clip
+        const float COL_WIDTH = windowSize.x - CHANNELS_COL_WIDTH - TMP_TABLE_PADDING;
+        const float DIST_PER_SECOND = COL_WIDTH / clip.GetTotalTime();
+
+        // Get Resources
+        const auto WINDOW_POS = ImGui::GetWindowPos();
+        auto drawList = ImGui::GetForegroundDrawList();
+
+        // Render Header
+        ImGui::TableHeadersRow();
+        ImGui::SameLine();
+        const auto TIMELINE_HEADER_START_POS = ImGui::GetCursorPos();
+        static constexpr float STEP = 1.0f;
+        for (float time = 0.0f; time <= clip.GetTotalTime(); time += STEP)
+        {
+          const float X_OFFSET = TIMELINE_HEADER_START_POS.x + time * DIST_PER_SECOND;
+          // Draw Text
+          ImGui::SetCursorPos(ImVec2(X_OFFSET, TIMELINE_HEADER_START_POS.y));
+          std::string timeText = std::format("{:.{}f}", time, 1);
+          ImGui::Text(timeText.c_str()); 
+
+          // Draw line
+          ImVec2 startPoint { WINDOW_POS.x + X_OFFSET, WINDOW_POS.y + TIMELINE_HEADER_START_POS.y };
+          drawList->AddLine(startPoint, ImVec2(startPoint.x, startPoint.y + windowSize.y), ImGui::GetColorU32(ImVec4(1.0f, 1.0f, 1.0f, 1.0f)));
+
+          // Draw smaller lines
+          static constexpr float MINI_STEP = 0.1f;
+          for (float innerTime = time; innerTime < std::min(time + STEP, clip.GetTotalTime()); innerTime += MINI_STEP)
+          {
+            ImVec2 innerStartPoint { WINDOW_POS.x + TIMELINE_HEADER_START_POS.x + innerTime * DIST_PER_SECOND, WINDOW_POS.y + TIMELINE_HEADER_START_POS.y };
+            drawList->AddLine(innerStartPoint, ImVec2(innerStartPoint.x, innerStartPoint.y + windowSize.y), ImGui::GetColorU32(ImVec4(0.2f, 0.2f, 0.2f, 1.0f)));
+          }
+        }
+        ImGui::SetCursorPos(TIMELINE_HEADER_START_POS);
+
+        // Render all channels
+        for (const auto& channel : clip.channels)
+        {
+          ImGui::TableNextRow();
+          ImGui::TableNextColumn();
+          ImGui::Text(channel.Name.c_str());
+          ImGui::TableNextColumn();
+
+          const auto START_POS = ImGui::GetCursorPos();
+          for (const auto& keyframe : channel.KeyFrames)
+          {
+            ImGui::SetCursorPos(ImVec2(START_POS.x + keyframe.TimeStamp * DIST_PER_SECOND, START_POS.y));
+            ImGui::Text(ICON_MD_RADIO_BUTTON_CHECKED);
+          }
+          ImGui::SetCursorPos(START_POS);
+        } 
+
+        ImGui::EndTable();
+      }
+
+    }
+    ImGui::End();
+  }
+
+  /*-----------------------------------------------------------------------------------*/
+  /* Usage Functions                                                                   */
+  /*-----------------------------------------------------------------------------------*/
+
+  /*-----------------------------------------------------------------------------------*/
+  /* Helper Functions                                                                  */
+  /*-----------------------------------------------------------------------------------*/
+
+}

SHADE_Engine/src/Editor/EditorWindow/AnimationEditor/SHAnimationEditor.h

@@ -0,0 +1,44 @@
+/************************************************************************************//*!
+\file           SHAnimationEditor.h
+\author         Tng Kah Wei, kahwei.tng, 390009620
+\par            email: kahwei.tng\@digipen.edu
+\date           Jan 8, 2023
+\brief          Contains the definition of the SHAnimationEditor class and related types.
+
+Copyright (C) 2023 DigiPen Institute of Technology.
+Reproduction or disclosure of this file or its contents without the prior written consent
+of DigiPen Institute of Technology is prohibited.
+*//*************************************************************************************/
+#pragma once
+
+// Project Includes
+#include "Editor/EditorWindow/SHEditorWindow.h"
+#include "Animation/SHAnimationClip.h"
+
+namespace SHADE
+{
+  /// <summary>
+  /// ImGui window that contains the SHAnimationEditor
+  /// </summary>
+  class SHAnimationEditor final : public SHEditorWindow
+  {
+    public:
+    /*---------------------------------------------------------------------------------*/
+    /* Constructor/Destructors                                                         */
+    /*---------------------------------------------------------------------------------*/
+    SHAnimationEditor();
+    virtual ~SHAnimationEditor() = default;
+
+    /*---------------------------------------------------------------------------------*/
+    /* Editor Lifecycle                                                                */
+    /*---------------------------------------------------------------------------------*/
+    void Init() override;
+    void Update() override;
+
+    private:
+    /*---------------------------------------------------------------------------------*/
+    /* Data Members                                                                    */
+    /*---------------------------------------------------------------------------------*/
+    SHAnimationClip clip;
+  };
+}

SHADE_Engine/src/Editor/SHEditor.cpp

@@ -31,6 +31,7 @@
 //#==============================================================#
 #include "EditorWindow/SHEditorWindowManager.h"
 #include "EditorWindow/SHEditorWindowIncludes.h"
+#include "EditorWindow/AnimationEditor/SHAnimationEditor.h"
 
 //#==============================================================#
 //||                      Library Includes                      ||
@@ -104,6 +105,7 @@ namespace SHADE
     SHEditorWindowManager::CreateEditorWindow<SHAssetBrowser>();
     SHEditorWindowManager::CreateEditorWindow<SHMaterialInspector>();
     SHEditorWindowManager::CreateEditorWindow<SHColliderTagPanel>();
+    SHEditorWindowManager::CreateEditorWindow<SHAnimationEditor>();
 
     SHEditorWindowManager::CreateEditorWindow<SHEditorViewport>();