Board Scene: Chip spawning and basic error checking

2025-12-01 17:13:42 -05:00
parent 13bf28712e
commit 2f87a280a2
17 changed files with 283 additions and 17 deletions
--- a/scripts/BoardScreen.cs
+++ b/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;
+	}
+}