From 09759565faee8f9f96fbc48aacaa7a8ad7842eb1 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Thu, 7 May 2020 14:49:58 +0900
Subject: [PATCH] Add support for 3v3 tournament chroma key layout

---
 osu.Game.Tournament/Models/LadderInfo.cs      |  6 ++
 .../Screens/Gameplay/GameplayScreen.cs        | 83 +++++++++++++++++--
 2 files changed, 82 insertions(+), 7 deletions(-)

diff --git a/osu.Game.Tournament/Models/LadderInfo.cs b/osu.Game.Tournament/Models/LadderInfo.cs
index c2e6da9ca5..7794019437 100644
--- a/osu.Game.Tournament/Models/LadderInfo.cs
+++ b/osu.Game.Tournament/Models/LadderInfo.cs
@@ -32,5 +32,11 @@ namespace osu.Game.Tournament.Models
             MinValue = 640,
             MaxValue = 1366,
         };
+
+        public Bindable<int> PlayersPerTeam = new BindableInt(4)
+        {
+            MinValue = 3,
+            MaxValue = 4,
+        };
     }
 }
diff --git a/osu.Game.Tournament/Screens/Gameplay/GameplayScreen.cs b/osu.Game.Tournament/Screens/Gameplay/GameplayScreen.cs
index 64a5cd6dec..e4e3842369 100644
--- a/osu.Game.Tournament/Screens/Gameplay/GameplayScreen.cs
+++ b/osu.Game.Tournament/Screens/Gameplay/GameplayScreen.cs
@@ -36,7 +36,7 @@ namespace osu.Game.Tournament.Screens.Gameplay
         [Resolved]
         private TournamentMatchChatDisplay chat { get; set; }
 
-        private Box chroma;
+        private Drawable chroma;
 
         [BackgroundDependencyLoader]
         private void load(LadderInfo ladder, MatchIPCInfo ipc, Storage storage)
@@ -61,16 +61,30 @@ namespace osu.Game.Tournament.Screens.Gameplay
                     Y = 110,
                     Anchor = Anchor.TopCentre,
                     Origin = Anchor.TopCentre,
-                    Children = new Drawable[]
+                    Children = new[]
                     {
-                        chroma = new Box
+                        chroma = new Container
                         {
-                            // chroma key area for stable gameplay
-                            Name = "chroma",
                             Anchor = Anchor.TopCentre,
                             Origin = Anchor.TopCentre,
                             Height = 512,
-                            Colour = new Color4(0, 255, 0, 255),
+                            Children = new Drawable[]
+                            {
+                                new ChromaArea
+                                {
+                                    Name = "Left chroma",
+                                    RelativeSizeAxes = Axes.Both,
+                                    Width = 0.5f,
+                                },
+                                new ChromaArea
+                                {
+                                    Name = "Right chroma",
+                                    RelativeSizeAxes = Axes.Both,
+                                    Anchor = Anchor.TopRight,
+                                    Origin = Anchor.TopRight,
+                                    Width = 0.5f,
+                                }
+                            }
                         },
                     }
                 },
@@ -98,9 +112,15 @@ namespace osu.Game.Tournament.Screens.Gameplay
                         },
                         new SettingsSlider<int>
                         {
-                            LabelText = "Chroma Width",
+                            LabelText = "Chroma width",
                             Bindable = LadderInfo.ChromaKeyWidth,
                             KeyboardStep = 1,
+                        },
+                        new SettingsSlider<int>
+                        {
+                            LabelText = "Players per team",
+                            Bindable = LadderInfo.PlayersPerTeam,
+                            KeyboardStep = 1,
                         }
                     }
                 }
@@ -201,5 +221,54 @@ namespace osu.Game.Tournament.Screens.Gameplay
                 lastState = state.NewValue;
             }
         }
+
+        private class ChromaArea : CompositeDrawable
+        {
+            [Resolved]
+            private LadderInfo ladder { get; set; }
+
+            [BackgroundDependencyLoader]
+            private void load()
+            {
+                // chroma key area for stable gameplay
+                Colour = new Color4(0, 255, 0, 255);
+
+                ladder.PlayersPerTeam.BindValueChanged(performLayout, true);
+            }
+
+            private void performLayout(ValueChangedEvent<int> playerCount)
+            {
+                switch (playerCount.NewValue)
+                {
+                    case 3:
+                        InternalChildren = new Drawable[]
+                        {
+                            new Box
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Width = 0.5f,
+                                Height = 0.5f,
+                                Anchor = Anchor.TopCentre,
+                                Origin = Anchor.TopCentre,
+                            },
+                            new Box
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Anchor = Anchor.BottomLeft,
+                                Origin = Anchor.BottomLeft,
+                                Height = 0.5f,
+                            },
+                        };
+                        break;
+
+                    default:
+                        InternalChild = new Box
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                        };
+                        break;
+                }
+            }
+        }
     }
 }