Backlog/extras/gameExtras/src/debuggers/EngineTool.zig

86 lines
2.3 KiB
Zig

allocator: std.mem.Allocator,
lastUpdateFrame: u64 = 0,
arena: std.heap.ArenaAllocator,
strings: std.ArrayListUnmanaged([]u8) = .{},
pub var NeonObjectTable = core.EngineObjectVTable.from(@This(), "game.EngineTool");
pub fn create(allocator: std.mem.Allocator) !*@This() {
const self = try allocator.create(@This());
self.* = .{
.allocator = allocator,
.arena = std.heap.ArenaAllocator.init(allocator),
};
if (core.getEngineObject(igutils.TopBar)) |topbar| {
topbar.addMenuObject(self, "Engine Object Browser") catch {};
}
return self;
}
pub fn maybeUpdate(self: *@This()) !void {
const engine = core.getEngine();
if (engine.engineObjectLUF != self.lastUpdateFrame) {
self.lastUpdateFrame = engine.engineObjectLUF;
_ = self.arena.reset(.retain_capacity);
self.strings = .{};
errdefer {
_ = self.arena.reset(.retain_capacity);
self.strings = .{};
}
const alloc = self.arena.allocator();
for (engine.engineObjects.items) |x| {
const newString = try std.fmt.allocPrint(alloc, "[{s}] {s} @ 0x{x} (size: {d} bytes) ", .{
x.vtable.singletonName orelse "n/a",
x.vtable.typeName,
@intFromPtr(x.ptr),
x.vtable.typeSize,
});
try self.strings.append(alloc, newString);
}
}
}
pub fn windowOpen(entry: *igutils.MenuEntry, dt: f64) void {
_ = dt;
const self: *@This() = @ptrCast(@alignCast(entry.ctx));
if (ig.begin("EngineTool", &entry.open, .{})) {
self.maybeUpdate() catch {
ig.textSlice("Unable to update engine tools list");
return;
};
for (self.strings.items) |slice| {
ig.textSlice(slice);
}
if (core.getEngineObject(core.ecs.EcsRegistry)) |ecsReg| {
ig.separator();
for (ecsReg.containerNames.items, 0..) |*name, i| {
_ = i;
ig.textf("{s}", .{name.utf8()});
}
}
}
ig.end();
}
pub fn destroy(self: *@This()) void {
self.arena.deinit();
self.allocator.destroy(self);
}
const std = @import("std");
const backlog = @import("Backlog");
const core = backlog.core;
const rend = backlog.rend;
const ig = backlog.imgui.api;
const igutils = backlog.imgui.utils;