Omar 🍋
@ocornut
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dear imgui / the dragon’s trap @lizardcube / dreams, tearaway, pixeljunk shooter, soul bubbles, meka, smspower
Paris (..London.. Kyoto)
Joined January 2009
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Announcing 'Dear ImGui Test Engine' + 'Dear ImGui Test Suite', available now.
- automation/testing for Dear ImGui apps
- run in your live app or headless on CI;
- run at robot speed or simulated human speed;
- export screens/videos for e.g. generating docs
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Early Japanese computers games often favored resolution over color count, so the typical PC game was 640x480 in 16 colors when western games were ~320x240 in 256 colors. Japanese game artists at that time excelled at using (custom) 16 colors palettes.
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- User submits a mysterious clipboard issue
-
@PathogenDavid
patiently digs into system locales, encoding conversions, line-endings etc., fails to repro but somehow finds a fix involving line-endings format.
- Someones shows up with an answer *ouch*
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I've dumped a prototype demo of unreleased Rayman for SNES, here it is! (NB: very early dev build, not a full game)
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Please to announce that Dear ImGui received an Epic MegaGrants to help us pursue development. Thank you
@EpicGames
!
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Turns out x86’s ”mov” instruction is turing complete and movfuscator can build a version of DOOM* entirely comprised of mov instructions:
(*Slight performance caveat applies)
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Someone on github referring to a minor bug reported 18 days ago that I explained was not trivial to fix, writes "People say that redbull gives wings ;) Is there a way to speed up this endless process?" and I already want to give up open-source software, 1 hour into my work week.
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Game preservation-nerd time: we unearthed a 33 years old extremely rare Master System educational game about traffic safety, made by Sega in 1987, that previously had almost no info available. We're releasing it today along with a full JP>EN translation:
今日はSmsPowerの23周年です！
これを記念して、セガのマスターシステムの幻のソフト「ゲームでチェック！交通安全」を手に入れて保存したことを皆さんにご報告いたします！
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My brother took those 2 photos of the city hall parvis in Paris, facing Notre Dame,
April 2019 <> April 2020
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The stylish, unknown & extremely rare SEGA AI COMPUTER (1986) promised natural language processing via its Prolog interpreter.
Available today, for the first time ever: system roms, game cards, tapes recordings, scans, photos, MAME driver & more:
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Dear ImGui 1.80 is out!
- full-featured tables (see the absurdly tall screenshot in linked page)
- and a dozens other things
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dear imgui 1.90 released!
resizable child windows, angled table headers, hundreds other fixes & improvements for separators, tooltips, drag and drop, tables, docking, menus, inputtext, fonts, backends, multiselect (wip branch), etc. (RT appreciated 🙏)
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Hong Kong sightseeing: a portable retro frankenstein machine incorporating a Famicom/NES clone, a keyboard and a tv screen.
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dear imgui: after what seemed like an eternity (many months of iterations/rewrite), I have pushed a beta "docking" branch publicly, where you can merge windows and repartition their space easily. More details: Feedback/bug reports welcome!
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Always nice spotting dear imgui in dev videos:
Today we're excited to announce Counter-Strike 2. Counter-Strike 2 is an overhaul to every system, every piece of content, and every part of the C-S experience. First, let's talk about smoke grenades:
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I've recently lost my largest source of income allowing to work on Dear ImGui. It's worrying but not short-term critical yet, as in the last year I've pushed hard to get other teams on board, contributing via various sponsoring/support contracts, getting test engine licenses...
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Dear ImGui friends: I will close the Patreon on Jan 1st 2020. Will send a update to Patrons later on. TL;DR; This is a good news, everything's fine! The project is growing, receiving funding from larger entities so it feels inadequate to keep Patreon running. Thank you so much 🙏
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Simple rendering trick for 2D games: manually distorting background sprites (here: the large statue) as if they were mapped on a 3D surface. Helps break the flatness of some scenes.
(I don't recall posting about it before, but I used this in The Dragon's Trap, 2017
@lizardcube
)
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Color grading software "Photon" makes impressive use of Dear ImGui (w/ custom widgets), forum post: product page:
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What throw me off with those specialized rendering tech is that everything in the creative and rendering pipe is optimized for static contents. It’s just so much easier, and as a result you tend to get static scenes, zero interactions.
This is the first time I felt a game engine demo cross the uncanny valley
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One of the guiding perf principle of Dear ImGui has always been that the average number of allocations per frame should be ~0.
Mostly allocate on growth frames (e.g. first time showing a new window, expanding contents), all amortized. Anything else is considered a bug.
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Dear ImGui 1.86 released!
- ctrl+tab enabled by default
- allow reappearing windows behind a modal
- list clipper improvements
- various fixes for menus inside popups/modals
- docked windows honor more styling
- many more fixes, features & improvements
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Dear ImGui 1.87
- Event based ImGuIO api, trickling queue for low framerate, full backend-agnostic key set (unified w/ gamepad, key mods).
- Translated keys (!= chars) in GLFW/SDL backends.
- Fixes (Ctrl+Tab, popups..)
Now a good time to update backends!
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Needed to rebuild an older game and thought I'd share the building steps/guide I wrote for future-myself in 2017:
In spite of efforts to make building code+data+packaging simple, it's easy to forget how to use a custom pipeline, so good to write some docs.
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Dear ImGui: Toyed with a proof of concept for angled tab headers, I'll see if I can nail some of the remaining design/api issues by next version..
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Thank you to
@Ubisoft
for renewing their sponsorship of Dear ImGui this year!
2020 releases such as Assassin's Creed Valhalla and Hyper Scape were among titles using Dear ImGui for dev/debug tools.
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Dear ImGui 1.89.4 released!
- better keyboard nav and tab key handling.
- misc fixes/improvements for drag and drop, tables, keyboard navigation, inputtext and several backends. new debug tool.
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dear imgui 1.67 released: tabs, font atlas fixes, reszing from edges and dozens of other additions and fixes.
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Dear ImGui 1.89 released: 90+ improvements/features/fixes
(and more that are not yet exposed in public API)
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dear imgui 1.76 out now!
- changelog with details for individual branches (always a recommended read because you'll discover features)
- and a nice gallery below the changelog
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Realizing that I've released this five years ago! Had little expectation but to have something I could myself re-use (which I did!). Didn't even think about giving it a proper name then.
Release 1.0 of bloat-free portable ImGui C++ library, ~3 files, MIT license @
http://t.co/ZEqXrlTAd7
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Dear ImGui 1.89.7 released!
- tooltips/IsItemHovered() improvements, optional stationary mouse delay, higher-level features to vary settings for keyboard vs mouse & more.
- standardized/fixed AllowOverlap features.
- 20+ other fixes and improvements.
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Yearly reminder that is the best Git client I could find & worth your money.
Yearly reminder that "Everything" is the perfect local search tool, will speed up your daily routine, worth donating to. I bound it to a global shortcut.
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Dear ImGui users: I've finally reworked BeginChild() api to switch that annoying 'bool border = false' param to becomes flags (miraculously not API breaking!), and added various new features to child windows in the process, including manual resize, auto-resize etc.
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To be honest at this point I find as a society we are failing to deserve open-source. Maintenance is a tedious job. Countless companies using software with zero intent to help paying decently for its quality and maintenance (and thus their _own_ safety) even when directly asked.
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Dear ImGui v1.89.6 released!
30+ small fixes and improvements. Fixes 1.89.4/5 platform-focus related regressions with multi-viewports. Improved gamepad/keyboard nav.
Very engine-ey screenshots today:
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ImDrawList party 🎉
- create small visual effects
- 1024 bytes of source code
- 320x180 output
- only use dear imgui's crappy low-level shape drawing api
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📢We are looking for any info/data about the Sega 8-bit version of "The Godfather" by Creative Materials / US Gold. It was near-finished in 1992-1993 but went unreleased. Do you know anyone near that dev team?
One video clip aired in Netherlands in January 1993.
RT appreciated!
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dear imgui: more r&d on virtual viewports + platform abstraction layer = magically dragging windows outside client area, creating display contexts dynamically etc. (there's still flickering on transitions).
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dear imgui 1.60 released: beta gamepad/keyboard navigation, context functions refactor, dozens of fixes/improvements to style, popup, combo, font atlas, columns, demos, back-ends etc..
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dear imgui 1.90.1 released
30+ fixes/improvements & new debug break tools
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Since I am receiving quite a few notifications: As per , Dear ImGui was included in Red Dead Redemption 2 credits already, so it was fairly likely GTA6 would use it as well.
Sorry for all those affected by leaks (and the deluge of uninformed comments).
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Some Dear ImGui users are pushing boundaries of using an agressive amount of custom widgets & styling. It's not an out-of-the-box route & has limitations, but we're slowly pushing toward making that route viable (shot 1
@parsecteam
, shot 2
@particubes
, shot 3 NoahGameFrame).
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Dear ImGui 1.84 released
- BeginDisabled()/EndDisabled() blocks
- Refactored backends (+ OpenGL backend embed loader)
- Many fixes and improvements for Tables, Nav, Drag and drop, Docking, etc.
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Obscure game archeology time: released 24 new dumps for unlicensed Game Gear taiwanese releases by Hung Tao Hsin. Actual chip contents are mostly bootlegged SMS games with copyright scrubbed off/replaced + minor hacks to make games easier
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Recent photo of Sega 8-bit prototypes and samples
As part of been hunting rare Sega 8-bit software for ~25 years to preserve & release. Most software are dumped, much scanning work remains.
(if you have access or info about Sega 8-bit protos, please DM!)
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Dear ImGui 1.81 is out!
- fixed some tables issues
- simpler freetype integration (+ limited color glyphs support on certain fonts)
- refactored old ListBox helpers
- experimental webgpu renderer
- other additions and fixes (incl docking/viewports fixes)
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dear imgui is nominated for an engineering awards at CEDEC 2019 (
@cedec_official
, pretty much the Japanese equivalent to GDC) so I guess I should use that as another excuse to go to Japan in September...
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Dear ImGui 1.90.4
- fixed a sub-menu closing issue
- fixed focus API from not working on _NoNavInputs windows
- improvements/fixes to table angled headers
- made DebugStartItemPicker() public API (<-- this is super useful)
- some more things
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I am thankful to every individuals and companies which have allowed keeping Dear ImGui permissive and open source for many years. I do 100% intend to keep it as such. If your team relies on Dear ImGui consider reaching out to discuss ways of supporting the software.
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dear imgui 1.50 released: piles of improvements & fixes , development resuming.
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Reminder that availability & porting of any open-source engine to consoles is only less evident because consoles manufacturers decided their _API_ was sacred & unique & under NDA. First console manufacturer who opens up will see 100+ custom engines avail within a month.
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Dear ImGui 1.89.5 released!
20+ improvements/fixes (touch screen issues, SDL backend bug with text input on custom widgets, inputtext improvements, mouse/pen/touch discrimination api, viewports taking better account of OS-side focus, etc.)
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Stepped into a wooden house to find this sculpture on the wall. Seems safe.
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dear imgui 1.77 release:
- general maintenance release with 25+ fixes and small additions in main branch.
- click for changelog with details individual branches (always a recommended read because you'll discover features)
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dear imgui 1.70: standard way to request renderer to reset gpu state, SetNextItemWidth for single item, SDL gamepad, glfw+metal example, vulkan back-end improvements, fixes for popups, inputtext, imdrawlist thick strokes, many more etc.
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dear imgui 1.72 out now: child windows don't get in the way of mouse wheel scrolling, debug item picker, columns & scrolling fixes, draw list splitter fixes, sdl2+dx11 example, many other things..
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Dear ImGui 1.83
- general maintenance release: 40+ fixes, small additions, optimizations
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In 1969, Jean-Pierre Raynaud built a house the way game developers would whitebox a level.
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Spent the last few months emotionally a little wrecked, splitting up from a 5+ years relationship we both invested a lot into. It’s been tough, affecting my balance, mood and work. I’m looking forward to get peace of mind, clarity and optimism again.
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Updated my old Mini Memory Editor gist (various fixes/tweak, highlight, R/W handlers, better spacing/resizing, etc.)
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Dear ImGui 1.89.9 released!
- general maintenance release, 20+ fixes/improvements.
- mostly working on finishing new rangeselect/multiselect feature (currently in wip-branch, merged hopefully next release)
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Release 1.0 of bloat-free portable ImGui C++ library, ~3 files, MIT license @
http://t.co/ZEqXrlTAd7
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dear imgui: a few weeks ago I resumed work on docking. Decided to rewrite my docking branch from scratch as it had too many issues. Now working on making docking v2 the one that will be released. (GIF: merging any window into another by holding SHIFT.)
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Dear ImGui 1.89.2 released: 20+ improvements and fixes.
(Fixes for: scroll tracking on tables with frozen rows, for synched tables, touchpads on OSX emitting dual-axis wheel data, wrapped text regression from 1.89, imgui_freetype packing issues & more)
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We are going full circle back to terminals of the 70-80s: Browsers and web ecosystems are so slow and heavy nowadays that people are contemplating remote streaming a browser as a viable business idea. I am genuinely confused.
1/ Today we're unveiling Mighty: a faster browser that is entirely streamed from a powerful computer in the cloud.
Demo in the next tweet 👇
New website:
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Pretty neat how running "build.bat" on a fresh checkout took 3~4 seconds to build the whole project from scratch.
The RAD Debugger was released today by
@ryanjfleury
. Looks really cool and Linux support would be awesome!
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We assembled a miniature version of one Theo Jansen’s wind-operated Strandbeest from a model kit (117 pieces). It is wonderful to see moving!
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Dear ImGui 1.88: Summer maintenance release, 80+ changes (and new debug tools)! ☀️
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I’ve been burning out for three years now. Tried to slow down and see how I can simplify & improve my daily life, but between work, running business, personal matters & projects, things have stayed steadily overwhelming. Will need to cut down a few things and refocus.
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dear imgui 1.79 release: (60+ changes e.g. nav/scroll fixes, tab bar with leading/trailing buttons and tabs in tab bars, page up/down in multi-line text + bunch of rework/refactor of Tables (tables branch, pending release in 1.80)
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I occasionally do "code gardening": reading through a file or sub-system I haven't worked on recently. No clear aim other than improving comments or code whenever I stumble on something that I find ambiguous or too complex.
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This user comment made me realize that textures compression techniques are seriously harming our business!! (cc:
@sehurlburt
@richgel999
)
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dear imgui 1.53 released: BeginCombo() api, beta drag and drop apis, default styles functions and 100+ other changes/fixes.
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Dear ImGui 1.89.8 released!
- general maintenance, 20+ fixes/small features
- opt-in support for OpenType SVG emoji/colorful fonts via Freetype+lunasvg
- near finish-line tweaks to range-select branch before merging in 1.90
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Dear ImGui 1.85 released!
- New "stack tool" to identify/debug identifiers
- Fix SetKeyboardFocusHere() on clipped items
- Misc nav (keyboard/gamepad), docking, viewport fixes
- SDL_Renderer backend (for upcoming SDL 2.0.18)
- Many more things & fixes
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I sincerely don’t know if some C++ articles are parody anymore. The most worrying thing is that there’s a “Lesson Learned” section and the only important lesson was not learned there.
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dear imgui 1.63 released: easier to wrap custom string types to InputText(), better CTRL+TAB ui, various Drag and Drop improvements, Metal Renderer and 50+ other additions/fixes
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Sega Digitizer System (1986) custom optical-pen based setup for in-house pixel artists (here: Fantasy Zone).
http://t.co/M6HFT5mABt
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dear imgui users: while still a long way off, one thing I've been working on lately has been to design an automation/testing system that will be used to test both core imgui and end-user apps. Tests can run headless (command-line, no rendering), at slow human watchable speed etc.
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Never investigated programming extensions for Visual Studio's debugger (few have, and it is a bit disappointing we don't yet have low entry-bar, highly programmable debuggers).
This ZX Spectrum emulator however seems very well integrated in VS IDE:
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"Cog" by
@JaminArnaud
, a set of debug tools for Unreal Engine:
- Page:
- Video:
Lately I've been increasingly hearing anecdotes of AAA devs writing Dear ImGui tools inside Unreal for some reasons...
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Feature-wise, people don't realize that submitting a PR is often doing 20% of the job, I have to evaluate it with the lens of everyone's interest, rework it and then maintain it forever. In a fair system studios should pay to post their PR! Logic has been turned upside down.
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I discovered only 6 months ago that in your browser you can hold ALT to start a selection from within a clickable link. It's super useful, I often felt frustrated when copying web text before. Felt like sharing that info again!
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First pass of tiling+atlassing of our animation sets (still not optimal) + masks (used for shadowing)
@lizardcube
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