Initial commit

src/infrastructure/node_manager.zig

@@ -0,0 +1,39 @@
+const std = @import("std");
+const Vector2 = @import("raylib").Vector2;
+
+const c = @import("../constants.zig");
+const Node = @import("node.zig").Node;
+const Road = @import("road.zig").Road;
+
+pub const NodeManager = struct {
+    nodes: std.ArrayList(Node),
+    temp_node: ?*Node,
+
+    pub fn init() NodeManager {
+        return .{
+            .nodes = .empty,
+            .temp_node = null,
+        };
+    }
+
+    pub fn deinit(self: *NodeManager, allocator: std.mem.Allocator) void {
+        self.nodes.deinit(allocator);
+    }
+
+    pub fn draw(self: *const NodeManager, pos: Vector2) void {
+        for (self.nodes.items) |node| {
+            node.draw();
+        }
+
+        if (self.temp_node) |node| {
+            // Temporary node that points at the cursor
+            const cur_node = Node.init(0, pos);
+            // Temporary road that is to be drawn as one in the making
+            const road: Road = .init(0, node, &cur_node);
+            road.draw();
+
+            node.*.draw(c.NODE_TEMP_COLOUR);
+            cur_node.draw(c.NODE_CURSOR_COLOUR);
+        }
+    }
+};