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1const std = @import("std");
2const Options = std.Options;
3
4const aa = @import("a");
5
6const rayray = @import("rayray");
7const Hittable = rayray.hittable.Hittable;
8const HittableList = rayray.hittable.HittableList;
9const Material = rayray.material.Material;
10const Sphere = rayray.hittable.Sphere;
11const zm = rayray.zmath;
12
13const build_options = rayray.build_options;
14
15const scenes = @import("scenes.zig");
16
17pub const std_options = Options{
18 .log_level = .debug,
19 .logFn = aa.log.logFn,
20};
21
22pub fn main() !void {
23 var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
24 defer arena.deinit();
25 const allocator = arena.allocator();
26
27 // var gpa = std.heap.GeneralPurposeAllocator(.{}){};
28 // const allocator = gpa.allocator();
29 // defer {
30 // const deinit_status = gpa.deinit();
31 // //fail test; can't try in defer as defer is executed after we return
32 // if (deinit_status == .leak) @panic("LEAK");
33 // }
34
35 // Setting up the world
36 var scene = rayray.Scene.init(allocator);
37 defer scene.deinit();
38
39 try scenes.checker(&scene);
40
41 std.log.info("World created", .{});
42
43 // Raytracing part
44 var raytracer = try rayray.Raytracer.init(allocator, scene);
45 defer raytracer.deinit();
46
47 var timer = try std.time.Timer.start();
48
49 const img = try raytracer.render();
50
51 printRenderTime(timer.lap());
52
53 try img.writeToFilePath(build_options.output, .{ .png = .{} });
54 std.log.info("Image saved to: {s}", .{build_options.output});
55}
56
57fn printRenderTime(t: u64) void {
58 var rt = t;
59
60 const days = rt / std.time.ns_per_day;
61 rt = rt - (days * std.time.ns_per_day);
62
63 const hours = rt / std.time.ns_per_hour;
64 rt = rt - (hours * std.time.ns_per_hour);
65
66 const minutes = rt / std.time.ns_per_min;
67 rt = rt - (minutes * std.time.ns_per_min);
68
69 const seconds = rt / std.time.ns_per_s;
70 rt = rt - (seconds * std.time.ns_per_s);
71
72 const ms = rt / std.time.ns_per_ms;
73 rt = rt - (ms * std.time.ns_per_ms);
74
75 // std.log.info("Image rendered ({}s)", .{rendering_time / std.time.ns_per_s});
76 if (days == 0) {
77 std.log.info("Image rendered in: {}h {}m {}s {}ms", .{ hours, minutes, seconds, ms });
78 } else {
79 std.log.info("Image rendered in: {}d {}h {}m {}s {}ms", .{ days, hours, minutes, seconds, ms });
80 }
81}