RGBCube/DOOM-fire-zig
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Cross platform update -- merge branch 'JacobHin2-jacobhin2'

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const-void 2022-01-22 06:53:31 -05:00
commit 3f80a338f7
3 changed files with 16 additions and 6 deletions
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9
README.md
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@ -1,5 +1,5 @@
# DOOMFIRE # DOOMFIRE
Test your TTY might! ## Test your TTY's might!
![demo](https://user-images.githubusercontent.com/76228776/149635702-a331f892-7799-4f7f-a4a6-7048d3529dcf.mp4) ![demo](https://user-images.githubusercontent.com/76228776/149635702-a331f892-7799-4f7f-a4a6-7048d3529dcf.mp4)
@ -8,7 +8,11 @@ The doom-fire algo can push upwards of 180k a frame - results may vary! It is,
As a comparable, this is the younger sibling of a node variant ( https://github.com/const-void/DOOM-fire-node ). As a comparable, this is the younger sibling of a node variant ( https://github.com/const-void/DOOM-fire-node ).
# INSTALL # INSTALL
Tested on OX Monterey / M1 w/zig 0.9...unsure if it will work on Win or Linux, sadly, due to TIOCGWINSZ flag. No third party dependencies! Tested on OX Monterey / M1 w/zig 0.9...
EDIT: Now tested on Artix Linux - links against libc to get the size of the TTY.
This means that the program does rely on libc, this shouldn't be a problem.
``` ```
$ git clone https://github.com/const-void/DOOM-fire-zig/ $ git clone https://github.com/const-void/DOOM-fire-zig/
@ -22,6 +26,7 @@ $ zig build run
* kitty.app - great * kitty.app - great
* Terminal.app - poor -- seems to drop framerates * Terminal.app - poor -- seems to drop framerates
* VS Code - great * VS Code - great
* Alacritty (artix linux) - great
# Inspiration / Credits # Inspiration / Credits
* doom fire - https://github.com/filipedeschamps/doom-fire-algorithm, https://github.com/fabiensanglard/DoomFirePSX/blob/master/flames.html * doom fire - https://github.com/filipedeschamps/doom-fire-algorithm, https://github.com/fabiensanglard/DoomFirePSX/blob/master/flames.html

2
build.zig
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@ -12,6 +12,8 @@ pub fn build(b: *std.build.Builder) void {
const mode = b.standardReleaseOptions(); const mode = b.standardReleaseOptions();
const exe = b.addExecutable("DOOM-fire", "src/main.zig"); const exe = b.addExecutable("DOOM-fire", "src/main.zig");
exe.linkLibC();
exe.setTarget(target); exe.setTarget(target);
exe.setBuildMode(mode); exe.setBuildMode(mode);
exe.install(); exe.install();

11
src/main.zig
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@ -4,6 +4,9 @@
// Copy/paste as it helps! // Copy/paste as it helps!
// //
const std = @import("std"); const std = @import("std");
const c = @cImport({
@cInclude("sys/ioctl.h");
});
const allocator = std.heap.page_allocator; const allocator = std.heap.page_allocator;
@ -11,7 +14,7 @@ const stdout = std.io.getStdOut().writer();
const stdin = std.io.getStdIn().reader(); const stdin = std.io.getStdIn().reader();
/////////////////////////////////// ///////////////////////////////////
// Tested on M1 osx12.1 // Tested on M1 osx12.1 + Artix Linux.
// fast - vs code terminal // fast - vs code terminal
// slow - Terminal.app // slow - Terminal.app
/////////////////////////////////// ///////////////////////////////////
@ -79,8 +82,8 @@ pub fn emitFmt(comptime s: []const u8, args: anytype) void {
//// Settings //// Settings
//OSX specific ... maybe // Get this value from libc.
const TIOCGWINSZ = 0x40087468; //ioctl flag const TIOCGWINSZ = c.TIOCGWINSZ; // ioctl flag
//term size //term size
const TermSz = struct { height: usize, width: usize }; const TermSz = struct { height: usize, width: usize };
@ -143,7 +146,7 @@ pub fn initColor() void {
//get terminal size given a tty //get terminal size given a tty
pub fn getTermSz(tty: std.os.fd_t) !TermSz { pub fn getTermSz(tty: std.os.fd_t) !TermSz {
var winsz = std.os.system.winsize{ .ws_col = 0, .ws_row = 0, .ws_xpixel = 0, .ws_ypixel = 0 }; var winsz = c.winsize{ .ws_col = 0, .ws_row = 0, .ws_xpixel = 0, .ws_ypixel = 0 };
const rv = std.os.system.ioctl(tty, TIOCGWINSZ, @ptrToInt(&winsz)); const rv = std.os.system.ioctl(tty, TIOCGWINSZ, @ptrToInt(&winsz));
const err = std.os.errno(rv); const err = std.os.errno(rv);
if (rv == 0) { if (rv == 0) {