README.md: Add Get started section

README.md

@@ -8,6 +8,97 @@ At the moment it's far away from being complete or even good. Right now it as so
 Install the latest version of `Pilz.Dalamud` via NuGet Package Manager or NuGet Console:\
 https://www.nuget.org/packages/Pilz.Dalamud
 
+## Get started
+
+### Initialize Plugin Services
+
+To be able to use most features of that lib you must initialize the Plugin Services. The best time to do this is when you initialize your own Plugin Services at your IDalamudPlugin class constructor.
+
+```cs
+public Plugin(DalamudPluginInterface pluginInterface)
+{
+    // Initialize our own Plugin Services if we use them
+    PluginServices.Initialize(pluginInterface);
+    
+    // Initialize Plugin Services for `Pilz.Dalamud` because the lib uses them
+    Pilz.Dalamud.PluginServices.Initialize(pluginInterface);
+}
+```
+
+### Hook into Nameplates
+
+To edit the nameplate, you first need to hook and listen to the Game's updates. Also don't forget to unhook and dispose on unloading the plugins!
+
+```cs
+public class NameplateFeature : IDisposable
+{
+    public NameplateManager NameplateManager { get; init; }
+    
+    /// <summary>
+    /// Occurs when a player nameplate is updated by the game.
+    /// </summary>
+    public event PlayerNameplateUpdatedDelegate? PlayerNameplateUpdated;
+    
+    public NameplateFeature()
+    {
+        NameplateManager = new();
+        NameplateManager.Hooks.AddonNamePlate_SetPlayerNameManaged += Hooks_AddonNamePlate_SetPlayerNameManaged;
+    }
+    
+    public void Dispose()
+    {
+        NameplateManager.Hooks.AddonNamePlate_SetPlayerNameManaged -= Hooks_AddonNamePlate_SetPlayerNameManaged;
+        NameplateManager.Dispose();
+    }
+    
+    private void Hooks_AddonNamePlate_SetPlayerNameManaged(Pilz.Dalamud.Nameplates.EventArgs.AddonNamePlate_SetPlayerNameManagedEventArgs eventArgs)
+    {
+    }
+}
+```
+
+This is an example of editing the title to "Good Player" and change the color of the name:
+
+```cs
+private void Hooks_AddonNamePlate_SetPlayerNameManaged(Pilz.Dalamud.Nameplates.EventArgs.AddonNamePlate_SetPlayerNameManagedEventArgs eventArgs)
+{
+    try
+    {
+        // Get the referenced player object for the nameplate object
+        PlayerCharacter? playerCharacter = NameplateManager.GetNameplateGameObject<PlayerCharacter>(eventArgs.SafeNameplateObject);
+        
+        if (playerCharacter != null && playerCharacter.StatusFlags.HasFlag(StatusFlags.Friend))
+        {
+            const string TEXT_GOOD_PLAYER = "Good Player";
+            
+            // Create a new change
+            var nameplateChanges = new NameplateChanges(eventArgs);
+            
+            // Replace the title
+            var titleChange = nameplateChanges.GetChange(NameplateElements.Title, StringPosition.Replace);
+            titleChange.Payloads.Add(new TextPayload(TEXT_GOOD_PLAYER));
+            
+            // Make the name italic
+            var nameChangeBefore = nameplateChanges.GetChange(NameplateElements.Name, StringPosition.Before);
+            nameChangeBefore.Payloads.Add(new EmphasisItalicPayload(true));
+            
+            var nameChangeAfter = nameplateChanges.GetChange(NameplateElements.Name, StringPosition.After);
+            nameChangeAfter.Payloads.Add(new EmphasisItalicPayload(false));
+            
+            // Forge the title to be always above the name (this we can edit directly)
+            eventArgs.IsTitleAboveName = true;
+            
+            // Apply the string changes!
+            NameplateUpdateFactory.ApplyNameplateChanges(new NameplateChangesProps(nameplateChanges));
+        }
+    }
+    catch (Exception ex)
+    {
+        PluginLog.Error(ex, $"SetPlayerNameplateDetour");
+    }
+}
+```
+
 ## Contribute
 
 - Freel free to PR changes or new features/libraries.