Board Scene: Chip spawning and basic error checking

assets/sprites/RedChip.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ckmfi0cjgxgyk"
+path="res://.godot/imported/RedChip.png-87cfb9e74b846c07f18c0c7fe300f504.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/RedChip.png"
+dest_files=["res://.godot/imported/RedChip.png-87cfb9e74b846c07f18c0c7fe300f504.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

assets/sprites/YellowChip.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://qy30emdgrk7o"
+path="res://.godot/imported/YellowChip.png-a8245744c0582bab34b9b96583a57ec0.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/YellowChip.png"
+dest_files=["res://.godot/imported/YellowChip.png-a8245744c0582bab34b9b96583a57ec0.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

connect4-moderator-observer.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Godot.NET.Sdk/4.5.1">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework Condition=" '$(GodotTargetPlatform)' == 'android' ">net9.0</TargetFramework>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+    <RootNamespace>connect4moderatorobserver</RootNamespace>
+  </PropertyGroup>
+</Project>

connect4-moderator-observer.sln

@@ -0,0 +1,19 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "connect4-moderator-observer", "connect4-moderator-observer.csproj", "{686613AA-A1E3-40F7-8924-9B4FF0746A6F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+	Debug|Any CPU = Debug|Any CPU
+	ExportDebug|Any CPU = ExportDebug|Any CPU
+	ExportRelease|Any CPU = ExportRelease|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{686613AA-A1E3-40F7-8924-9B4FF0746A6F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{686613AA-A1E3-40F7-8924-9B4FF0746A6F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{686613AA-A1E3-40F7-8924-9B4FF0746A6F}.ExportDebug|Any CPU.ActiveCfg = ExportDebug|Any CPU
+		{686613AA-A1E3-40F7-8924-9B4FF0746A6F}.ExportDebug|Any CPU.Build.0 = ExportDebug|Any CPU
+		{686613AA-A1E3-40F7-8924-9B4FF0746A6F}.ExportRelease|Any CPU.ActiveCfg = ExportRelease|Any CPU
+		{686613AA-A1E3-40F7-8924-9B4FF0746A6F}.ExportRelease|Any CPU.Build.0 = ExportRelease|Any CPU
+	EndGlobalSection
+EndGlobal

project.godot

@@ -11,5 +11,14 @@ config_version=5
 [application]
 
 config/name="connect4-moderator-observer"
-config/features=PackedStringArray("4.5", "Forward Plus")
+run/main_scene="uid://cr8fi0e4r88s8"
+config/features=PackedStringArray("4.5", "C#", "Forward Plus")
 config/icon="res://icon.svg"
+
+[dotnet]
+
+project/assembly_name="connect4-moderator-observer"
+
+[rendering]
+
+textures/canvas_textures/default_texture_filter=0

scenes/board_screen.tscn

@@ -0,0 +1,26 @@
+[gd_scene load_steps=4 format=3 uid="uid://m542qwlp7hl7"]
+
+[ext_resource type="Script" uid="uid://dg5jt0o0r0v3r" path="res://scripts/BoardScreen.cs" id="1_b3w8x"]
+[ext_resource type="PackedScene" uid="uid://d1wr0v5ht8vqb" path="res://scenes/button_small.tscn" id="1_tbc1w"]
+
+[sub_resource type="WorldBoundaryShape2D" id="WorldBoundaryShape2D_b3w8x"]
+
+[node name="BoardScreen" type="Node2D"]
+script = ExtResource("1_b3w8x")
+
+[node name="StaticBody2D" type="StaticBody2D" parent="."]
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="StaticBody2D"]
+shape = SubResource("WorldBoundaryShape2D_b3w8x")
+
+[node name="SpwnRed" parent="." instance=ExtResource("1_tbc1w")]
+offset_left = 512.0
+offset_top = -324.0
+offset_right = 576.0
+offset_bottom = -292.0
+
+[node name="SpwnYlw" parent="." instance=ExtResource("1_tbc1w")]
+offset_left = 512.0
+offset_top = -292.0
+offset_right = 576.0
+offset_bottom = -260.0

scenes/button_small.tscn

@@ -17,22 +17,24 @@ atlas = ExtResource("2_q2stu")
 region = Rect2(8, 0, 32, 16)
 
 [node name="ButtonSmall" type="TextureButton"]
-offset_top = -16.0
+offset_left = -32.0
+offset_top = -32.0
 offset_right = 32.0
 texture_normal = SubResource("AtlasTexture_6ptbq")
 texture_pressed = SubResource("AtlasTexture_06p6p")
 texture_hover = SubResource("AtlasTexture_q2stu")
+stretch_mode = 4
 script = ExtResource("2_06p6p")
 
 [node name="Label" type="Label" parent="."]
 layout_mode = 0
-offset_left = 1.0
+offset_left = 2.0
-offset_top = 5.0
+offset_top = 9.0
-offset_right = 31.0
+offset_right = 62.0
-offset_bottom = 13.0
+offset_bottom = 25.0
 theme_override_colors/font_color = Color(2.7723312e-05, 0.60865843, 0.9772685, 1)
 theme_override_fonts/font = ExtResource("3_dxjfy")
-theme_override_font_sizes/font_size = 8
+theme_override_font_sizes/font_size = 16
 text = "TEMP"
 horizontal_alignment = 1
 

scenes/create_join_room.tscn

@@ -4,16 +4,15 @@
 [ext_resource type="Script" uid="uid://b1ogflafdte71" path="res://scripts/create_join_room.gd" id="1_k6yuv"]
 
 [node name="CreateJoinRoom" type="Node2D"]
+position = Vector2(0, 42)
 script = ExtResource("1_k6yuv")
 
 [node name="JoinGameButton" parent="." instance=ExtResource("1_4km6l")]
-offset_left = -16.0
+offset_top = 17.0
-offset_top = 12.0
+offset_bottom = 49.0
-offset_right = 16.0
+metadata/_edit_use_anchors_ = true
-offset_bottom = 28.0
 
 [node name="CreateGameButton" parent="." instance=ExtResource("1_4km6l")]
-offset_left = -16.0
+offset_top = 85.0
-offset_top = 40.0
+offset_bottom = 117.0
-offset_right = 16.0
+metadata/_edit_use_anchors_ = true
-offset_bottom = 56.0

scenes/game.tscn

@@ -1,12 +1,15 @@
-[gd_scene load_steps=2 format=3 uid="uid://cr8fi0e4r88s8"]
+[gd_scene load_steps=3 format=3 uid="uid://cr8fi0e4r88s8"]
 
 [ext_resource type="PackedScene" uid="uid://cct663hb47yka" path="res://scenes/create_join_room.tscn" id="1_uwrxv"]
+[ext_resource type="PackedScene" uid="uid://m542qwlp7hl7" path="res://scenes/board_screen.tscn" id="2_yqjtg"]
 
 [node name="Game" type="Node2D"]
 
 [node name="GameManager" type="Node" parent="."]
 
 [node name="Camera2D" type="Camera2D" parent="."]
-zoom = Vector2(5, 5)
 
 [node name="CreateJoinRoom" parent="." instance=ExtResource("1_uwrxv")]
+visible = false
+
+[node name="BoardScreen" parent="." instance=ExtResource("2_yqjtg")]

scenes/red_chip.tscn

@@ -0,0 +1,14 @@
+[gd_scene load_steps=3 format=3 uid="uid://b4tujjdhmk4h"]
+
+[ext_resource type="Texture2D" uid="uid://ckmfi0cjgxgyk" path="res://assets/sprites/RedChip.png" id="1_qsflu"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_tfypd"]
+radius = 12.0415945
+
+[node name="RedChip" type="RigidBody2D"]
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("1_qsflu")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_tfypd")

scenes/yellow_chip.tscn

@@ -0,0 +1,14 @@
+[gd_scene load_steps=3 format=3 uid="uid://lruk652t0xe5"]
+
+[ext_resource type="Texture2D" uid="uid://qy30emdgrk7o" path="res://assets/sprites/YellowChip.png" id="1_eu0sq"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_epi6l"]
+radius = 12.0
+
+[node name="YellowChip" type="RigidBody2D"]
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("1_eu0sq")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_epi6l")

scripts/BoardScreen.cs

@@ -0,0 +1,91 @@
+using Godot;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+public partial class BoardScreen : Node2D {
+	private const string RED_CHIP_PATH = "res://scenes/red_chip.tscn";
+	private const string YELLOW_CHIP_PATH = "res://scenes/yellow_chip.tscn";
+	private const int CHIP_SIZE = 24;
+	private const int CHIP_PADDING = 2;
+	private const int INIT_OFFSET = -(CHIP_SIZE + CHIP_PADDING) * 7 / 2;
+
+	private TextureButton spwnRed;
+	private TextureButton spwnYlw;
+	private PackedScene redChip;
+	private PackedScene ylwChip;
+
+	private RigidBody2D[,] chips = new RigidBody2D[6, 7]; // 6 rows 7 cols | 0, 0 is top left
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready() {
+        spwnRed = GetNode<TextureButton>("SpwnRed");
+		spwnYlw = GetNode<TextureButton>("SpwnYlw");
+
+		spwnRed.GetNode<Label>("Label").Text = "Red";
+		spwnYlw.GetNode<Label>("Label").Text = "Ylw";
+
+		spwnRed.Pressed += () => spawnRed(0);
+		spwnYlw.Pressed += () => spawnYellow(0);
+
+		redChip = GD.Load<PackedScene>(RED_CHIP_PATH);
+		ylwChip = GD.Load<PackedScene>(YELLOW_CHIP_PATH);
+    }
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta) {
+        
+    }
+
+	/*
+	 * Determines if the column can have a new chip placed
+	 * Will return -1 if invalid
+	 * or
+	 * Will return row of board in which chip can be placed
+	 */
+	public int canPlaceOnCol(int col) {
+		if(col < 0 || col > 6) // Col out of range
+			return -1;
+
+		return getNextAvailRow(col);
+    }
+
+	public int getNextAvailRow(int col) {
+        for(int i = chips.GetLength(0) - 1; i >= 0; i--) { // Start at bottom
+            if(chips[i, col] == null)
+				return i;
+        }
+
+		return -1;
+    }
+
+	private void spawnRed(int col) {
+		int row = canPlaceOnCol(col);
+		if(row == -1) {
+			GD.Print("Invalid Placement!");
+			return;
+		}
+
+        GD.Print("Spawn Red!");
+		RigidBody2D newNode = redChip.Instantiate<RigidBody2D>();
+		newNode.Position = new Vector2(INIT_OFFSET + (CHIP_SIZE + CHIP_PADDING) * col, -(CHIP_SIZE + CHIP_PADDING) * 7);
+		AddChild(newNode);
+
+		chips[row, col] = newNode;
+    }
+
+	private void spawnYellow(int col) {
+		int row = canPlaceOnCol(col);
+		if(row == -1) {
+			GD.Print("Invalid Placement!");
+			return;
+		}
+
+		GD.Print("Spawn Yellow!");
+		RigidBody2D newNode = ylwChip.Instantiate<RigidBody2D>();
+		newNode.Position = new Vector2(INIT_OFFSET + (CHIP_SIZE + CHIP_PADDING) * col, -(CHIP_SIZE + CHIP_PADDING) * 7);
+		AddChild(newNode);
+
+		chips[row, col] = newNode;
+	}
+}

scripts/BoardScreen.cs.uid

@@ -0,0 +1 @@
+uid://dg5jt0o0r0v3r