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set custom callback for raylib logging

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Rokas Puzonas 2024-11-24 15:00:02 +02:00
parent e6877ef2e4
commit 4fbe67746f
1 changed files with 39 additions and 4 deletions
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43
src/main.zig
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@ -8,6 +8,11 @@ const windows = @cImport({
@cInclude("windows.h");
});
const raylib_h = @cImport({
@cInclude("stdio.h");
@cInclude("raylib.h");
});
const log = std.log;
const Allocator = std.mem.Allocator;
@ -15,15 +20,45 @@ const FontFace = @import("font-face.zig");
const assert = std.debug.assert;
const Vec2 = rl.Vector2;
fn toTraceLogLevel(log_level: std.log.Level) rl.TraceLogLevel {
fn toRaylibTraceLogLevel(log_level: std.log.Level) rl.TraceLogLevel {
return switch (log_level) {
.err => rl.TraceLogLevel.log_error,
.warn => rl.TraceLogLevel.log_warning,
.info => rl.TraceLogLevel.log_info,
.debug => rl.TraceLogLevel.log_all,
.debug => rl.TraceLogLevel.log_trace,
};
}
fn toZigLogLevel(log_type: c_int) ?std.log.Level {
return switch (log_type) {
@intFromEnum(rl.TraceLogLevel.log_trace) => std.log.Level.debug,
@intFromEnum(rl.TraceLogLevel.log_debug) => std.log.Level.debug,
@intFromEnum(rl.TraceLogLevel.log_info) => std.log.Level.info,
@intFromEnum(rl.TraceLogLevel.log_warning) => std.log.Level.warn,
@intFromEnum(rl.TraceLogLevel.log_error) => std.log.Level.err,
@intFromEnum(rl.TraceLogLevel.log_fatal) => std.log.Level.err,
else => null
};
}
fn raylibTraceLogCallback(logType: c_int, text: [*c]const u8, args: raylib_h.va_list) callconv(.C) void {
const log_level = toZigLogLevel(logType) orelse return;
// TODO: Skip formatting buffer, if logging is not enabled for that level.
const max_tracelog_msg_length = 256; // from utils.c in raylib
var buffer: [max_tracelog_msg_length:0]u8 = undefined;
@memset(&buffer, 0);
_ = raylib_h.vsnprintf(&buffer, buffer.len, text, args);
const raylib_log = std.log.scoped(.raylib);
switch (log_level) {
.debug => raylib_log.debug("{s}", .{ buffer }),
.info => raylib_log.info("{s}", .{ buffer }),
.warn => raylib_log.warn("{s}", .{ buffer }),
.err => raylib_log.err("{s}", .{ buffer })
}
}
fn remap(from_min: f32, from_max: f32, to_min: f32, to_max: f32, value: f32) f32 {
const t = (value - from_min) / (from_max - from_min);
return std.math.lerp(to_min, to_max, t);
@ -83,8 +118,8 @@ pub fn main() !void {
// _ = windows.ShowWindow(hWnd, windows.SW_SHOW);
// }
// TODO: SetTraceLogCallback
rl.setTraceLogLevel(toTraceLogLevel(std.log.default_level));
raylib_h.SetTraceLogCallback(raylibTraceLogCallback);
rl.setTraceLogLevel(toRaylibTraceLogLevel(std.log.default_level));
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
const allocator = gpa.allocator();