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Doomsday Engine

This is the source code for Doomsday Engine: a portable, enhanced source port of id Software's Doom I/II and Raven Software's Heretic and Hexen. The sources are under the GNU General Public license (see doomsday/gpl-3.0.txt), with the exception of the Doomsday 3 libraries that are under the GNU Lesser General Public License (see doomsday/lgpl-3.0.txt).

For compilation instructions and other details, see the Doomsday Manual.

Linux 64-bit Linux Build Status Windows 32-bit Windows Build Status

Libraries

libcore is the core of Doomsday 3. It is a C++ class framework containing functionality such as the file system, plugin loading, Doomsday Script, network communications, and generic data structures. Almost everything relies or will rely on this core library.

libgui builds on the core library to add low-level GUI capabilities such as OpenGL graphics, fonts, images, and input devices. It also contains the Doomsday UI framework: widgets, generic dialogs, and abstract data models.

libgloom contains the renderer.

libdoomsday is an application-level library that contains shared functionality for the client, server, and extensions.

libdoomsdaygui extends libdoomsday with GUI-only functionality like widgets shared by the client and shell apps.

libgamekit contains the game extension libraries: Doom, Heretic, and Hexen.

Dependencies

CMake

Doomsday is compiled using CMake. Version 3.1 or later is required.

SDL 2

SDL 2 provides window system integration (windows, graphics API initialization, input events, game controllers). Additionally, SDL2_mixer can be used for audio output.

the_Foundation

the_Foundation is a C library for low-level functionality such as multithreading and Unicode text processing. Use the build_deps.py script to download and compile this.

glbinding

glbinding is a C++ OpenGL bindings library. Use the build_deps.py script to download and compile this.

Open Asset Import Library

libgui requires the Open Asset Import Library for reading 3D model and animation files. Use the build_deps.py script to download and compile this.

FMOD Studio

The optional FMOD audio plugin requires the FMOD Studio Low-Level Programmer API.

FluidSynth

FluidSynth is used for rendering MIDI music using software instruments. FluidSynth can be built as part of the main Doomsday build, in which case GLib 2 is also required as a dependency.

About

A portable, enhanced source port of Doom, Heretic and Hexen.

dengine.net/

Topics

c-plus-plusdesktop-applicationdoomfirst-person-shooterfmodgameheretichexenlinuxmacosopenglportablesource-portwindows

Resources

Readme
Activity

Stars

303 stars

Watchers

25 watching

Forks

35 forks
Report repository

Releases

Sponsor this project

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
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Doomsday Engine
This is the source code for Doomsday Engine: a portable, enhanced source port of id Software's Doom I/II and Raven Software's Heretic and Hexen. The sources are under the GNU General Public license (see doomsday/gpl-3.0.txt), with the exception of the Doomsday 3 libraries that are under the GNU Lesser General Public License (see doomsday/lgpl-3.0.txt).
For compilation instructions and other details, see the Doomsday Manual.
Linux 64-bit Linux Build Status Windows 32-bit Windows Build Status
Libraries
libcore is the core of Doomsday 3. It is a C++ class framework containing functionality such as the file system, plugin loading, Doomsday Script, network communications, and generic data structures. Almost everything relies or will rely on this core library.
libgui builds on the core library to add low-level GUI capabilities such as OpenGL graphics, fonts, images, and input devices. It also contains the Doomsday UI framework: widgets, generic dialogs, and abstract data models.
libgloom contains the renderer.
libdoomsday is an application-level library that contains shared functionality for the client, server, and extensions.
libdoomsdaygui extends libdoomsday with GUI-only functionality like widgets shared by the client and shell apps.
libgamekit contains the game extension libraries: Doom, Heretic, and Hexen.
Dependencies
CMake
Doomsday is compiled using CMake. Version 3.1 or later is required.
SDL 2
SDL 2 provides window system integration (windows, graphics API initialization, input events, game controllers). Additionally, SDL2_mixer can be used for audio output.
the_Foundation
the_Foundation is a C library for low-level functionality such as multithreading and Unicode text processing. Use the build_deps.py script to download and compile this.
glbinding
glbinding is a C++ OpenGL bindings library. Use the build_deps.py script to download and compile this.
Open Asset Import Library
libgui requires the Open Asset Import Library for reading 3D model and animation files. Use the build_deps.py script to download and compile this.
FMOD Studio
The optional FMOD audio plugin requires the FMOD Studio Low-Level Programmer API.
FluidSynth
FluidSynth is used for rendering MIDI music using software instruments. FluidSynth can be built as part of the main Doomsday build, in which case GLib 2 is also required as a dependency.
About
A portable, enhanced source port of Doom, Heretic and Hexen.
dengine.net/
Topics
c-plus-plusdesktop-applicationdoomfirst-person-shooterfmodgameheretichexenlinuxmacosopenglportablesource-portwindows
Resources
Readme
Activity
Stars
303 stars
Watchers
25 watching
Forks
35 forks
Report repository
Releases
Sponsor this project
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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Doomsday Engine
This is the source code for Doomsday Engine: a portable, enhanced source port of id Software's Doom I/II and Raven Software's Heretic and Hexen. The sources are under the GNU General Public license (see doomsday/gpl-3.0.txt), with the exception of the Doomsday 3 libraries that are under the GNU Lesser General Public License (see doomsday/lgpl-3.0.txt).
For compilation instructions and other details, see the Doomsday Manual.
Linux 64-bit Linux Build Status Windows 32-bit Windows Build Status
Libraries
libcore is the core of Doomsday 3. It is a C++ class framework containing functionality such as the file system, plugin loading, Doomsday Script, network communications, and generic data structures. Almost everything relies or will rely on this core library.
libgui builds on the core library to add low-level GUI capabilities such as OpenGL graphics, fonts, images, and input devices. It also contains the Doomsday UI framework: widgets, generic dialogs, and abstract data models.
libgloom contains the renderer.
libdoomsday is an application-level library that contains shared functionality for the client, server, and extensions.
libdoomsdaygui extends libdoomsday with GUI-only functionality like widgets shared by the client and shell apps.
libgamekit contains the game extension libraries: Doom, Heretic, and Hexen.
Dependencies
CMake
Doomsday is compiled using CMake. Version 3.1 or later is required.
SDL 2
SDL 2 provides window system integration (windows, graphics API initialization, input events, game controllers). Additionally, SDL2_mixer can be used for audio output.
the_Foundation
the_Foundation is a C library for low-level functionality such as multithreading and Unicode text processing. Use the build_deps.py script to download and compile this.
glbinding
glbinding is a C++ OpenGL bindings library. Use the build_deps.py script to download and compile this.
Open Asset Import Library
libgui requires the Open Asset Import Library for reading 3D model and animation files. Use the build_deps.py script to download and compile this.
FMOD Studio
The optional FMOD audio plugin requires the FMOD Studio Low-Level Programmer API.
FluidSynth
FluidSynth is used for rendering MIDI music using software instruments. FluidSynth can be built as part of the main Doomsday build, in which case GLib 2 is also required as a dependency.
About
A portable, enhanced source port of Doom, Heretic and Hexen.
dengine.net/
Topics
c-plus-plusdesktop-applicationdoomfirst-person-shooterfmodgameheretichexenlinuxmacosopenglportablesource-portwindows
Resources
Readme
Activity
Stars
303 stars
Watchers
25 watching
Forks
35 forks
Report repository
Releases
Sponsor this project
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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Doomsday Engine
This is the source code for Doomsday Engine: a portable, enhanced source port of id Software's Doom I/II and Raven Software's Heretic and Hexen. The sources are under the GNU General Public license (see doomsday/gpl-3.0.txt), with the exception of the Doomsday 3 libraries that are under the GNU Lesser General Public License (see doomsday/lgpl-3.0.txt).
For compilation instructions and other details, see the Doomsday Manual.
Linux 64-bit Linux Build Status Windows 32-bit Windows Build Status
Libraries
libcore is the core of Doomsday 3. It is a C++ class framework containing functionality such as the file system, plugin loading, Doomsday Script, network communications, and generic data structures. Almost everything relies or will rely on this core library.
libgui builds on the core library to add low-level GUI capabilities such as OpenGL graphics, fonts, images, and input devices. It also contains the Doomsday UI framework: widgets, generic dialogs, and abstract data models.
libgloom contains the renderer.
libdoomsday is an application-level library that contains shared functionality for the client, server, and extensions.
libdoomsdaygui extends libdoomsday with GUI-only functionality like widgets shared by the client and shell apps.
libgamekit contains the game extension libraries: Doom, Heretic, and Hexen.
Dependencies
CMake
Doomsday is compiled using CMake. Version 3.1 or later is required.
SDL 2
SDL 2 provides window system integration (windows, graphics API initialization, input events, game controllers). Additionally, SDL2_mixer can be used for audio output.
the_Foundation
the_Foundation is a C library for low-level functionality such as multithreading and Unicode text processing. Use the build_deps.py script to download and compile this.
glbinding
glbinding is a C++ OpenGL bindings library. Use the build_deps.py script to download and compile this.
Open Asset Import Library
libgui requires the Open Asset Import Library for reading 3D model and animation files. Use the build_deps.py script to download and compile this.
FMOD Studio
The optional FMOD audio plugin requires the FMOD Studio Low-Level Programmer API.
FluidSynth
FluidSynth is used for rendering MIDI music using software instruments. FluidSynth can be built as part of the main Doomsday build, in which case GLib 2 is also required as a dependency.
About
A portable, enhanced source port of Doom, Heretic and Hexen.
dengine.net/
Topics
c-plus-plusdesktop-applicationdoomfirst-person-shooterfmodgameheretichexenlinuxmacosopenglportablesource-portwindows
Resources
Readme
Activity
Stars
303 stars
Watchers
25 watching
Forks
35 forks
Report repository
Releases
Sponsor this project
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
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Doomsday Engine
This is the source code for Doomsday Engine: a portable, enhanced source port of id Software's Doom I/II and Raven Software's Heretic and Hexen. The sources are under the GNU General Public license (see doomsday/gpl-3.0.txt), with the exception of the Doomsday 3 libraries that are under the GNU Lesser General Public License (see doomsday/lgpl-3.0.txt).
For compilation instructions and other details, see the Doomsday Manual.
Linux 64-bit Linux Build Status Windows 32-bit Windows Build Status
Libraries
libcore is the core of Doomsday 3. It is a C++ class framework containing functionality such as the file system, plugin loading, Doomsday Script, network communications, and generic data structures. Almost everything relies or will rely on this core library.
libgui builds on the core library to add low-level GUI capabilities such as OpenGL graphics, fonts, images, and input devices. It also contains the Doomsday UI framework: widgets, generic dialogs, and abstract data models.
libgloom contains the renderer.
libdoomsday is an application-level library that contains shared functionality for the client, server, and extensions.
libdoomsdaygui extends libdoomsday with GUI-only functionality like widgets shared by the client and shell apps.
libgamekit contains the game extension libraries: Doom, Heretic, and Hexen.
Dependencies
CMake
Doomsday is compiled using CMake. Version 3.1 or later is required.
SDL 2
SDL 2 provides window system integration (windows, graphics API initialization, input events, game controllers). Additionally, SDL2_mixer can be used for audio output.
the_Foundation
the_Foundation is a C library for low-level functionality such as multithreading and Unicode text processing. Use the build_deps.py script to download and compile this.
glbinding
glbinding is a C++ OpenGL bindings library. Use the build_deps.py script to download and compile this.
Open Asset Import Library
libgui requires the Open Asset Import Library for reading 3D model and animation files. Use the build_deps.py script to download and compile this.
FMOD Studio
The optional FMOD audio plugin requires the FMOD Studio Low-Level Programmer API.
FluidSynth
FluidSynth is used for rendering MIDI music using software instruments. FluidSynth can be built as part of the main Doomsday build, in which case GLib 2 is also required as a dependency.
About
A portable, enhanced source port of Doom, Heretic and Hexen.
dengine.net/
Topics
c-plus-plusdesktop-applicationdoomfirst-person-shooterfmodgameheretichexenlinuxmacosopenglportablesource-portwindows
Resources
Readme
Activity
Stars
303 stars
Watchers
25 watching
Forks
35 forks
Report repository
Releases
Sponsor this project
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Doomsday Engine
This is the source code for Doomsday Engine: a portable, enhanced source port of id Software's Doom I/II and Raven Software's Heretic and Hexen. The sources are under the GNU General Public license (see doomsday/gpl-3.0.txt), with the exception of the Doomsday 3 libraries that are under the GNU Lesser General Public License (see doomsday/lgpl-3.0.txt).
For compilation instructions and other details, see the Doomsday Manual.
Linux 64-bit Linux Build Status Windows 32-bit Windows Build Status
Libraries
libcore is the core of Doomsday 3. It is a C++ class framework containing functionality such as the file system, plugin loading, Doomsday Script, network communications, and generic data structures. Almost everything relies or will rely on this core library.
libgui builds on the core library to add low-level GUI capabilities such as OpenGL graphics, fonts, images, and input devices. It also contains the Doomsday UI framework: widgets, generic dialogs, and abstract data models.
libgloom contains the renderer.
libdoomsday is an application-level library that contains shared functionality for the client, server, and extensions.
libdoomsdaygui extends libdoomsday with GUI-only functionality like widgets shared by the client and shell apps.
libgamekit contains the game extension libraries: Doom, Heretic, and Hexen.
Dependencies
CMake
Doomsday is compiled using CMake. Version 3.1 or later is required.
SDL 2
SDL 2 provides window system integration (windows, graphics API initialization, input events, game controllers). Additionally, SDL2_mixer can be used for audio output.
the_Foundation
the_Foundation is a C library for low-level functionality such as multithreading and Unicode text processing. Use the build_deps.py script to download and compile this.
glbinding
glbinding is a C++ OpenGL bindings library. Use the build_deps.py script to download and compile this.
Open Asset Import Library
libgui requires the Open Asset Import Library for reading 3D model and animation files. Use the build_deps.py script to download and compile this.
FMOD Studio
The optional FMOD audio plugin requires the FMOD Studio Low-Level Programmer API.
FluidSynth
FluidSynth is used for rendering MIDI music using software instruments. FluidSynth can be built as part of the main Doomsday build, in which case GLib 2 is also required as a dependency.
About
A portable, enhanced source port of Doom, Heretic and Hexen.
dengine.net/
Topics
c-plus-plusdesktop-applicationdoomfirst-person-shooterfmodgameheretichexenlinuxmacosopenglportablesource-portwindows
Resources
Readme
Activity
Stars
303 stars
Watchers
25 watching
Forks
35 forks
Report repository
Releases
Sponsor this project
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Doomsday Engine
This is the source code for Doomsday Engine: a portable, enhanced source port of id Software's Doom I/II and Raven Software's Heretic and Hexen. The sources are under the GNU General Public license (see doomsday/gpl-3.0.txt), with the exception of the Doomsday 3 libraries that are under the GNU Lesser General Public License (see doomsday/lgpl-3.0.txt).
For compilation instructions and other details, see the Doomsday Manual.
Linux 64-bit Linux Build Status Windows 32-bit Windows Build Status
Libraries
libcore is the core of Doomsday 3. It is a C++ class framework containing functionality such as the file system, plugin loading, Doomsday Script, network communications, and generic data structures. Almost everything relies or will rely on this core library.
libgui builds on the core library to add low-level GUI capabilities such as OpenGL graphics, fonts, images, and input devices. It also contains the Doomsday UI framework: widgets, generic dialogs, and abstract data models.
libgloom contains the renderer.
libdoomsday is an application-level library that contains shared functionality for the client, server, and extensions.
libdoomsdaygui extends libdoomsday with GUI-only functionality like widgets shared by the client and shell apps.
libgamekit contains the game extension libraries: Doom, Heretic, and Hexen.
Dependencies
CMake
Doomsday is compiled using CMake. Version 3.1 or later is required.
SDL 2
SDL 2 provides window system integration (windows, graphics API initialization, input events, game controllers). Additionally, SDL2_mixer can be used for audio output.
the_Foundation
the_Foundation is a C library for low-level functionality such as multithreading and Unicode text processing. Use the build_deps.py script to download and compile this.
glbinding
glbinding is a C++ OpenGL bindings library. Use the build_deps.py script to download and compile this.
Open Asset Import Library
libgui requires the Open Asset Import Library for reading 3D model and animation files. Use the build_deps.py script to download and compile this.
FMOD Studio
The optional FMOD audio plugin requires the FMOD Studio Low-Level Programmer API.
FluidSynth
FluidSynth is used for rendering MIDI music using software instruments. FluidSynth can be built as part of the main Doomsday build, in which case GLib 2 is also required as a dependency.
About
A portable, enhanced source port of Doom, Heretic and Hexen.
dengine.net/
Topics
c-plus-plusdesktop-applicationdoomfirst-person-shooterfmodgameheretichexenlinuxmacosopenglportablesource-portwindows
Resources
Readme
Activity
Stars
303 stars
Watchers
25 watching
Forks
35 forks
Report repository
Releases
Sponsor this project
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Doomsday Engine
This is the source code for Doomsday Engine: a portable, enhanced source port of id Software's Doom I/II and Raven Software's Heretic and Hexen. The sources are under the GNU General Public license (see doomsday/gpl-3.0.txt), with the exception of the Doomsday 3 libraries that are under the GNU Lesser General Public License (see doomsday/lgpl-3.0.txt).
For compilation instructions and other details, see the Doomsday Manual.
Linux 64-bit Linux Build Status Windows 32-bit Windows Build Status
Libraries
libcore is the core of Doomsday 3. It is a C++ class framework containing functionality such as the file system, plugin loading, Doomsday Script, network communications, and generic data structures. Almost everything relies or will rely on this core library.
libgui builds on the core library to add low-level GUI capabilities such as OpenGL graphics, fonts, images, and input devices. It also contains the Doomsday UI framework: widgets, generic dialogs, and abstract data models.
libgloom contains the renderer.
libdoomsday is an application-level library that contains shared functionality for the client, server, and extensions.
libdoomsdaygui extends libdoomsday with GUI-only functionality like widgets shared by the client and shell apps.
libgamekit contains the game extension libraries: Doom, Heretic, and Hexen.
Dependencies
CMake
Doomsday is compiled using CMake. Version 3.1 or later is required.
SDL 2
SDL 2 provides window system integration (windows, graphics API initialization, input events, game controllers). Additionally, SDL2_mixer can be used for audio output.
the_Foundation
the_Foundation is a C library for low-level functionality such as multithreading and Unicode text processing. Use the build_deps.py script to download and compile this.
glbinding
glbinding is a C++ OpenGL bindings library. Use the build_deps.py script to download and compile this.
Open Asset Import Library
libgui requires the Open Asset Import Library for reading 3D model and animation files. Use the build_deps.py script to download and compile this.
FMOD Studio
The optional FMOD audio plugin requires the FMOD Studio Low-Level Programmer API.
FluidSynth
FluidSynth is used for rendering MIDI music using software instruments. FluidSynth can be built as part of the main Doomsday build, in which case GLib 2 is also required as a dependency.
About
A portable, enhanced source port of Doom, Heretic and Hexen.
dengine.net/
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c-plus-plusdesktop-applicationdoomfirst-person-shooterfmodgameheretichexenlinuxmacosopenglportablesource-portwindows
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