protected override void DrawWindowContent()
{
if (ImGui.BeginMenuBar())
{
if (ImGui.BeginMenu("View"))
{
if (ImGui.BeginMenu("Mode"))
{
PropertyDrawer.DrawEditorValue(typeof(ViewportPanel).GetMember(nameof(ViewportPanel.ProjectioMode))[0], this);
if (CurrentCamera != null)
{
PropertyDrawer.DrawEditorValue(typeof(ViewportPanel).GetMember(nameof(ViewportPanel.CurrentCamera))[0], this);
}
ImGui.EndMenu();
}
ImGui.Separator();
if (ImGui.MenuItem("Focus"))
{
if (Context.ActiveEntity?.Transform != null)
{
CurrentCamera.Position = Context.ActiveEntity.Transform.Position;
}
}
ImGui.Separator();
if (ImGui.MenuItem("Reset"))
{
CurrentCamera.Position = new Vector3(0, 0, 0);
}
ImGui.EndMenu();
}
ImGui.EndMenuBar();
}
if (Context.Scene != null)
{
// resize check
{
Vector2 viewportPanelSize = ImGui.GetContentRegionAvail();
if (viewportPanelSize != viewportSize && viewportPanelSize.X > 0 && viewportPanelSize.Y > 0)
{
viewportSize = viewportPanelSize;
pipeline.Framebuffer.Resize((uint)viewportSize.X, (uint)viewportSize.Y);
CurrentCamera.Resize(viewportSize.X, viewportSize.Y);
}
}
// draw the framebuffer as image
ImGui.Image(new IntPtr(pipeline.Framebuffer.ColorAttachments[pipeline.FbStructureIndex.Color]),
viewportSize,
new Vector2(0, 1),
new Vector2(1, 0));
pipeline.Framebuffer.Bind();
Renderer.Clear();
pipeline.Framebuffer.ClearAttachment((uint)pipeline.FbStructureIndex.Id, 0);
// interaction
if (ImGui.IsItemHovered() && Focused)
{
// camera
var io = ImGui.GetIO();
if (io.MouseWheel != 0)
{
CurrentCamera?.Zoom(io.MouseWheel);
}
if (ImGui.IsMouseDown(ImGuiMouseButton.Middle))
{
if ((io.KeyMods & ImGuiKeyModFlags.Shift) > 0)
{
CurrentCamera?.Pan(io.MouseDelta * new Vector2(-1, 1));
}
else
{
CurrentCamera?.Move(io.MouseDelta * new Vector2(-1, 1));
}
}
// selection
else if (EnableSelect && ImGui.IsMouseClicked(ImGuiMouseButton.Left))
{
Vector2 texpos = ImGui.GetMousePos() - new Vector2(WindowContentAreaMin.X, WindowContentAreaMax.Y);
texpos.Y = -texpos.Y;
int result = pipeline.Framebuffer.ReadPixel((uint)Context.Scene.Pipeline.FbStructureIndex.Id, (int)texpos.X, (int)texpos.Y);
EditorApplication.Log.Trace($"selected entity id {result}");
Context.ActiveEntity = Context.Scene.GetEntity(result);
}
}
// draw
Context.Scene.Pipeline = pipeline;
if (CurrentCamera != null)
{
Context.Scene.OnRenderEditor(CurrentCamera.ViewProjectionMatrix);
}
Framebuffer.Unbind();
}
}
private void DrawComponents(Entity context)
{
// TODO: fix
bool entityEnabled = context.Enabled;
if (ImGui.Checkbox("Enabled", ref entityEnabled))
{
context.Enabled = entityEnabled;
}
var components = context.Components;
for (int compi = 0; compi < components.Count; compi++)
{
Component component = components[compi];
Type componentType = component.GetType();
bool stay = true;
ImGui.PushID(componentType.Name + compi);
bool valcol = !component.Valid;
if (valcol)
{
ImGui.PushStyleColor(ImGuiCol.Header, new Vector4(0.412f, 0.118f, 0.118f, 1.0f));
ImGui.PushStyleColor(ImGuiCol.HeaderHovered, new Vector4(0.729f, 0.208f, 0.208f, 1.0f));
}
// item shifting drop
unsafe
{
// smoll fix
bool resetTarget = false;
if (targetedComponent == component)
{
ImGui.Button("##target", new Vector2(ImGui.GetColumnWidth(), 2.5f));
if (ImGui.IsItemHovered())
{
resetTarget = true;
}
}
if (ImGui.BeginDragDropTarget())
{
var payload = ImGui.AcceptDragDropPayload("_COMPONENT");
if (payload.NativePtr != null && selectedDragNDropComponent != null)
{
int tci = Context.ActiveEntity.GetComponentIndex(targetedComponent);
if (tci > Context.ActiveEntity.GetComponentIndex(selectedDragNDropComponent))
{
tci--;
}
Context.ActiveEntity.ShiftComponent(selectedDragNDropComponent, tci);
selectedDragNDropComponent = null;
targetedComponent = null;
}
ImGui.EndDragDropTarget();
}
if (resetTarget)
{
targetedComponent = null;
}
}
bool collapsingHeader = ImGui.CollapsingHeader(componentType.Name, ref stay);
// item shifting drag
{
if (ImGui.BeginDragDropSource())
{
ImGui.Text("Component: " + componentType.Name);
selectedDragNDropComponent = component;
ImGui.SetDragDropPayload("_COMPONENT", IntPtr.Zero, 0);
ImGui.EndDragDropSource();
}
if (ImGui.BeginDragDropTarget())
{
targetedComponent = component;
ImGui.EndDragDropTarget();
}
}
// contex menu
{
if (ImGui.BeginPopupContextItem())
{
if (ImGui.MenuItem("Move Up"))
{
context.ShiftComponent(component, Math.Max(0, compi - 1));
}
if (ImGui.MenuItem("Move Down"))
{
context.ShiftComponent(component, Math.Min(components.Count - 1, compi + 1));
}
ImGui.Separator();
if (ImGui.MenuItem("Remove"))
{
Context.ActiveEntity.RemoveComponent(component);
}
ImGui.EndPopup();
}
}
var style = ImGui.GetStyle();
float collapsingHeaderButtonOffset = ((ImGui.GetTextLineHeight() + style.FramePadding.Y * 2) + 1);
ImGui.SameLine(ImGui.GetContentRegionAvail().X - (collapsingHeaderButtonOffset * 1 + style.FramePadding.X + style.FramePadding.Y));
bool enabled = component.Enabled;
if (ImGui.Checkbox("##enabled", ref enabled))
{
component.Enabled = enabled;
}
ImGui.SameLine(ImGui.GetContentRegionAvail().X - (collapsingHeaderButtonOffset * 2 + style.FramePadding.X + style.FramePadding.Y));
if (ImGui.ArrowButton("up", ImGuiDir.Up))
{
context.ShiftComponent(component, Math.Max(0, compi - 1));
}
ImGui.SameLine(ImGui.GetContentRegionAvail().X - (collapsingHeaderButtonOffset * 3 + style.FramePadding.X + style.FramePadding.Y));
if (ImGui.ArrowButton("down", ImGuiDir.Down))
{
context.ShiftComponent(component, Math.Min(components.Count - 1, compi + 1));
}
if (collapsingHeader)
{
ImGuiUtils.BeginGroupFrame();
MemberInfo[] membs = componentType.GetMembers();
for (int mi = 0; mi < membs.Length; mi++)
{
var mem = membs[mi];
if (mem.MemberType == MemberTypes.Field || mem.MemberType == MemberTypes.Property)
{
PropertyDrawer.DrawEditorValue(mem, component);
}
}
//ImGui.Separator();
ImGuiUtils.EndGroupFrame();
}
if (valcol)
{
ImGui.PopStyleColor(2);
}
ImGui.PopID();
if (!stay)
{
Context.ActiveEntity.RemoveComponent(component);
}
}
}
protected override void DrawWindowContent()
{
bool resetView = false;
bool openRename = false;
if (ImGui.BeginMenuBar())
{
if (ImGui.BeginMenu("View", Context.Scene != null))
{
if (ImGui.MenuItem("Reset"))
{
resetView = true;
}
ImGui.EndMenu();
}
if (ImGui.BeginMenu("Image", Context.Scene != null))
{
if (ImGui.MenuItem("Load"))
{
LoadAsset();
}
if (ImGui.MenuItem("Unload", SelectedTextureAsset != null))
{
UnloadAsset();
}
ImGui.Separator();
if (ImGui.MenuItem("Rename", SelectedTextureAsset != null))
{
openRename = true;
}
ImGui.EndMenu();
}
ImGui.PushItemWidth(256);
PropertyDrawer.DrawEditorValue(this.GetType().GetField(nameof(SelectedTextureAsset)), this);
ImGui.PopItemWidth();
ImGui.EndMenuBar();
}
if (openRename)
{
ImGui.OpenPopup("renameasset");
}
if (ImGui.BeginPopup("renameasset"))
{
byte[] bytes = new byte[256];
Encoding.UTF8.GetBytes(SelectedTextureAsset.Name).CopyTo(bytes, 0);
ImGui.Text("Rename");
if (ImGui.InputText("New name", bytes, (uint)bytes.Length))
{
;
}
{
// ! always trim end null bytes!!!
string text = Encoding.UTF8.GetString(bytes).TrimEnd('\0');
SelectedTextureAsset.Name = text;
}
ImGui.EndPopup();
}
if (SelectedTextureAsset != null)
{
//ImGui.SetCursorPos(WindowSize / 2 - currentTexture.Texture.Size / 2);
var zoomedImageSize = SelectedTextureAsset.Texture.Size * zoom;
if (zoomedImageSize.X < WindowSize.X && zoomedImageSize.Y < WindowSize.Y)
{
ImGui.SetCursorPos((WindowSize - zoomedImageSize) * 0.5f);
}
ImGui.PushStyleColor(ImGuiCol.Button, 0xff000000);
ImGui.PushStyleColor(ImGuiCol.ButtonHovered, 0xff000000);
ImGui.PushStyleColor(ImGuiCol.ButtonActive, 0xff000000);
ImGui.ImageButton(new IntPtr(SelectedTextureAsset.Texture.ID), SelectedTextureAsset.Texture.Size * zoom, new Vector2(0, 1), new Vector2(1, 0), 0);
ImGui.PopStyleColor(3);
bool imageHovered = ImGui.IsItemHovered();
if (resetView)
{
ResetView();
}
if (viewPos.X != ImGui.GetScrollX() + WindowSize.X / 2 || viewPos.Y != ImGui.GetScrollY() + WindowSize.Y / 2)
{
viewPos.X = ImGui.GetScrollX() + WindowSize.X / 2;
viewPos.Y = ImGui.GetScrollY() + WindowSize.Y / 2;
}
if (imageHovered)
{
MouseMove();
//var io = ImGui.GetIO();
//float my_tex_w = SelectedTextureAsset.Texture.Width;
//float my_tex_h = SelectedTextureAsset.Texture.Height;
//Vector2 pos = ImGui.GetCursorScreenPos();
//ImGui.BeginTooltip();
//float region_sz = 32.0f;
//float region_x = io.MousePos.X - pos.X - region_sz * 0.5f;
//float region_y = io.MousePos.Y - pos.Y - region_sz * 0.5f;
//float zoom = 4.0f;
//if (region_x < 0.0f) { region_x = 0.0f; }
//else if (region_x > my_tex_w - region_sz) { region_x = my_tex_w - region_sz; }
//if (region_y < 0.0f) { region_y = 0.0f; }
//else if (region_y > my_tex_h - region_sz) { region_y = my_tex_h - region_sz; }
//ImGui.Text($"Min: ({region_x:F2}, {region_y:F2})");
//ImGui.Text($"Max: ({region_x + region_sz:F2}, {region_y + region_sz:F2})");
//Vector2 uv0 = new Vector2((region_x) / my_tex_w, (region_y) / my_tex_h);
//Vector2 uv1 = new Vector2((region_x + region_sz) / my_tex_w, (region_y + region_sz) / my_tex_h);
//ImGui.Image(new IntPtr(SelectedTextureAsset.Texture.ID), new Vector2(region_sz * zoom, region_sz * zoom), uv0, uv1);
//ImGui.EndTooltip();
}
else
{
// correct image pos
ImGui.SetScrollX(viewPos.X - WindowSize.X / 2);
ImGui.SetScrollY(viewPos.Y - WindowSize.Y / 2);
}
if (ImGui.IsWindowHovered())
{
MouseZoom();
}
}
}