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Allow changing matrix animation min/max codepoints (closes #615)

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Signed-off-by: AnErrupTion <anerruption@disroot.org>
This commit is contained in:
AnErrupTion
2025-03-06 19:48:11 +01:00
parent d12fa27168
commit d80ec8fd1f
4 changed files with 19 additions and 9 deletions
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16
src/animations/Matrix.zig
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@@ -9,10 +9,6 @@ const termbox = interop.termbox;
pub const FRAME_DELAY: usize = 8;
// Allowed codepoints
pub const MIN_CODEPOINT: u16 = 33;
pub const MAX_CODEPOINT: u16 = 123 - MIN_CODEPOINT;
// Characters change mid-scroll
pub const MID_SCROLL_CHANGE = true;
@@ -36,8 +32,10 @@ lines: []Line,
frame: usize,
count: usize,
fg_ini: u32,
min_codepoint: u16,
max_codepoint: u16,
pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, fg_ini: u32) !Matrix {
pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, fg_ini: u32, min_codepoint: u16, max_codepoint: u16) !Matrix {
const dots = try allocator.alloc(Dot, terminal_buffer.width * (terminal_buffer.height + 1));
const lines = try allocator.alloc(Line, terminal_buffer.width);
@@ -51,6 +49,8 @@ pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, fg_ini: u32)
.frame = 3,
.count = 0,
.fg_ini = fg_ini,
.min_codepoint = min_codepoint,
.max_codepoint = max_codepoint - min_codepoint,
};
}
@@ -91,7 +91,7 @@ pub fn draw(self: *Matrix) void {
const randint = self.terminal_buffer.random.int(u16);
const h = self.terminal_buffer.height;
line.length = @mod(randint, h - 3) + 3;
self.dots[x].value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT;
self.dots[x].value = @mod(randint, self.max_codepoint) + self.min_codepoint;
line.space = @mod(randint, h + 1);
}
}
@@ -116,7 +116,7 @@ pub fn draw(self: *Matrix) void {
if (MID_SCROLL_CHANGE) {
const randint = self.terminal_buffer.random.int(u16);
if (@mod(randint, 8) == 0) {
dot.value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT;
dot.value = @mod(randint, self.max_codepoint) + self.min_codepoint;
}
}
@@ -131,7 +131,7 @@ pub fn draw(self: *Matrix) void {
}
const randint = self.terminal_buffer.random.int(u16);
dot.value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT;
dot.value = @mod(randint, self.max_codepoint) + self.min_codepoint;
dot.is_head = true;
if (seg_len > line.length or !first_col) {