// SPDX-License-Identifier: MIT
// Copyright (c) 2021 KikooDX
// This file is part of [KBLE](https://sr.ht/~kikoodx/kble), which is
// MIT licensed. The MIT license requires this copyright notice to be
// included in all copies and substantial portions of the software.
const ray = @cImport({
    @cInclude("raylib.h");
});

const Vec2 = @import("vec2.zig");
const Rect = @import("rect.zig");
const scaling = @import("scaling.zig");
const Mode = @import("modes.zig").Mode;

/// Draw cursor.
pub fn cursor(scale: scaling.scale_type, offset: Vec2, pos: Vec2, mode: Mode) void {
    const x = (pos.x - offset.y) * scale;
    const y = (pos.y - offset.y) * scale;
    const color: ray.Color = switch (mode) {
        .normal => ray.GRAY,
        .select => ray.BLUE,
        .rectangle => ray.SKYBLUE,
        .camera => ray.PURPLE,
    };
    ray.DrawRectangleLines(x, y, scale, scale, color);
}

/// Draw rectangle selection preview.
pub fn rectangle_selection(scale: scaling.scale_type, offset: Vec2, rect: Rect) void {
    const x = (rect.left_x - offset.x) * scale;
    const w = (rect.right_x - rect.left_x + 1) * scale;
    const y = (rect.top_y - offset.y) * scale;
    const h = (rect.bottom_y - rect.top_y + 1) * scale;
    ray.DrawRectangleLines(x, y, w, h, ray.SKYBLUE);
}