├── .gitignore ├── LICENSE.md ├── README.md ├── lent.c ├── lent.h └── sample ├── sample.cpp ├── sample.sln ├── sample.vcxproj └── sample.vcxproj.filters /.gitignore: -------------------------------------------------------------------------------- 1 | # Prerequisites 2 | *.d 3 | 4 | # Compiled Object files 5 | *.slo 6 | *.lo 7 | *.o 8 | *.obj 9 | 10 | # Precompiled Headers 11 | *.gch 12 | *.pch 13 | 14 | # Compiled Dynamic libraries 15 | *.so 16 | *.dylib 17 | *.dll 18 | 19 | # Fortran module files 20 | *.mod 21 | *.smod 22 | 23 | # Compiled Static libraries 24 | *.lai 25 | *.la 26 | *.a 27 | *.lib 28 | 29 | # Executables 30 | *.exe 31 | *.out 32 | *.app 33 | 34 | godot 35 | dogot 36 | your girlfriend 37 | your mum 38 | 39 | sample/.vs/ 40 | sample/Debug/ 41 | sample/Release/ 42 | sample/x64/ 43 | *.user -------------------------------------------------------------------------------- /LICENSE.md: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | **By using this software, you agree that I will own your soul.** 14 | In case you don't have a soul, I own your kidney. 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Interpretation of Sections 15 and 16. 617 | 618 | If the disclaimer of warranty and limitation of liability provided 619 | above cannot be given local legal effect according to their terms, 620 | reviewing courts shall apply local law that most closely approximates 621 | an absolute waiver of all civil liability in connection with the 622 | Program, unless a warranty or assumption of liability accompanies a 623 | copy of the Program in return for a fee. 624 | 625 | END OF TERMS AND CONDITIONS 626 | 627 | How to Apply These Terms to Your New Programs 628 | 629 | If you develop a new program, and you want it to be of the greatest 630 | possible use to the public, the best way to achieve this is to make it 631 | free software which everyone can redistribute and change under these terms. 632 | 633 | To do so, attach the following notices to the program. It is safest 634 | to attach them to the start of each source file to most effectively 635 | state the exclusion of warranty; and each file should have at least 636 | the "copyright" line and a pointer to where the full notice is found. 637 | 638 | 639 | Copyright (C) 640 | 641 | This program is free software: you can redistribute it and/or modify 642 | it under the terms of the GNU General Public License as published by 643 | the Free Software Foundation, either version 3 of the License, or 644 | (at your option) any later version. 645 | 646 | This program is distributed in the hope that it will be useful, 647 | but WITHOUT ANY WARRANTY; without even the implied warranty of 648 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 649 | GNU General Public License for more details. 650 | 651 | You should have received a copy of the GNU General Public License 652 | along with this program. If not, see . 653 | 654 | Also add information on how to contact you by electronic and paper mail. 655 | 656 | If the program does terminal interaction, make it output a short 657 | notice like this when it starts in an interactive mode: 658 | 659 | Copyright (C) 660 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 661 | This is free software, and you are welcome to redistribute it 662 | under certain conditions; type `show c' for details. 663 | 664 | The hypothetical commands `show w' and `show c' should show the appropriate 665 | parts of the General Public License. Of course, your program's commands 666 | might be different; for a GUI interface, you would use an "about box". 667 | 668 | You should also get your employer (if you work as a programmer) or school, 669 | if any, to sign a "copyright disclaimer" for the program, if necessary. 670 | For more information on this, and how to apply and follow the GNU GPL, see 671 | . 672 | 673 | The GNU General Public License does not permit incorporating your program 674 | into proprietary programs. If your program is a subroutine library, you 675 | may consider it more useful to permit linking proprietary applications with 676 | the library. If this is what you want to do, use the GNU Lesser General 677 | Public License instead of this License. But first, please read 678 | . 679 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 2 | # lent 3 | 4 | [Discord](https://discord.gg/vpdDeebW) 5 | 6 | Support me on [patreon](https://www.patreon.com/user?u=6383512), now! 7 | 8 | The best ECS library, ever. 9 | 10 | Features: 11 | 12 | * it can run Crysis 13 | * 2nd generation ECS system 14 | * as fast as it gets 15 | * 0 dependencies 16 | * fast compile times 17 | * small and simple API 18 | * DOD friendly 19 | * no unnecessary allocations 20 | * fully commented source code 21 | * it solves the tab/space problem 22 | * multiplatform, can run on Windows, Linux, Mac, Phones, Consoles, Raspberry Pi, Arduinos, ... 23 | * supports most data layouts 24 | * 100% customizable 25 | * easy to rewrite in rust 26 | * easy to make bindings, it's pure C 27 | * it's ECS library your grandma would use 28 | * made by Stable Genius, 10x developer 29 | 30 | **Single header libraries suck so this is not one. There is a cpp file.** 31 | 32 | How to use it: 33 | 34 | 1. include lent.h and lent.c in your project 35 | 2. enjoy 36 | 37 | See ```samples``` for more info 38 | 39 | License: GPL-3.0, slightly modified; contact me for commercial licenses $$$ 40 | 41 | Similar projects: 42 | * [entt](https://github.com/skypjack/entt) 43 | * [entityx](https://github.com/alecthomas/entityx) 44 | * [minECS](https://github.com/Alan-FGR/minECS/) 45 | * [slent - lent port to sql](https://gist.github.com/raizam/3a9b7aec5bcf41d8a4cf71a578897e0f) 46 | 47 | Contributors: 48 | 49 | * [skypjack](https://github.com/skypjack) - idea of making the library no single header library 50 | * [hugoam](https://github.com/hugoam) - he pointed out that I forgot to mention that lent is 2nd generation ECS 51 | * [AmishRacecar](https://www.reddit.com/r/gamedev/comments/9jz7cr/simple_ecs_library/e6vafmj/) -for completely meaningless comment on reddit 52 | -------------------------------------------------------------------------------- /lent.c: -------------------------------------------------------------------------------- 1 | // this is not a single header library -------------------------------------------------------------------------------- /lent.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | 3 | #ifdef IMPERIAL_ROYAL_GUARD 4 | this is Imperial Royal Guard guarding this header 5 | 6 | | __ 7 | | /__\ 8 | | X~~| 9 | |-\|//-. 10 | /|`.|'.' \ 11 | |,|.\~~ /|| 12 | |:|| ';|| 13 | |||| | || 14 | \ \| |`. 15 | |\X| | | 16 | | .' ||| 17 | | | . ||| 18 | ||| | `.| 19 | |||| | || 20 | |||| | || 21 | `+.__._._+~' LS 22 | #endif 23 | 24 | #ifdef ENTITY_COMMENT 25 | entity 26 | #endif 27 | typedef unsigned int lent_entity; -------------------------------------------------------------------------------- /sample/sample.cpp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nem0/lent/84f3fde7be7ad79a92ad70afe75f7ded7a4f3a65/sample/sample.cpp -------------------------------------------------------------------------------- /sample/sample.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio 15 4 | VisualStudioVersion = 15.0.28010.2003 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "sample", "sample.vcxproj", "{544FBD76-8323-47F8-83EC-9D67C1E647B7}" 7 | EndProject 8 | Global 9 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 10 | Debug|x64 = Debug|x64 11 | Debug|x86 = Debug|x86 12 | Release|x64 = Release|x64 13 | Release|x86 = Release|x86 14 | EndGlobalSection 15 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 16 | {544FBD76-8323-47F8-83EC-9D67C1E647B7}.Debug|x64.ActiveCfg = Debug|x64 17 | {544FBD76-8323-47F8-83EC-9D67C1E647B7}.Debug|x64.Build.0 = Debug|x64 18 | {544FBD76-8323-47F8-83EC-9D67C1E647B7}.Debug|x86.ActiveCfg = Debug|Win32 19 | {544FBD76-8323-47F8-83EC-9D67C1E647B7}.Debug|x86.Build.0 = Debug|Win32 20 | {544FBD76-8323-47F8-83EC-9D67C1E647B7}.Release|x64.ActiveCfg = Release|x64 21 | {544FBD76-8323-47F8-83EC-9D67C1E647B7}.Release|x64.Build.0 = Release|x64 22 | {544FBD76-8323-47F8-83EC-9D67C1E647B7}.Release|x86.ActiveCfg = Release|Win32 23 | {544FBD76-8323-47F8-83EC-9D67C1E647B7}.Release|x86.Build.0 = Release|Win32 24 | EndGlobalSection 25 | GlobalSection(SolutionProperties) = preSolution 26 | HideSolutionNode = FALSE 27 | EndGlobalSection 28 | GlobalSection(ExtensibilityGlobals) = postSolution 29 | SolutionGuid = {B1165AEF-BEB4-4C0F-9959-D3B0B0764F96} 30 | EndGlobalSection 31 | EndGlobal 32 | -------------------------------------------------------------------------------- /sample/sample.vcxproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | Debug 6 | Win32 7 | 8 | 9 | Release 10 | Win32 11 | 12 | 13 | Debug 14 | x64 15 | 16 | 17 | Release 18 | x64 19 | 20 | 21 | 22 | 15.0 23 | {544FBD76-8323-47F8-83EC-9D67C1E647B7} 24 | Win32Proj 25 | sample 26 | 10.0.17134.0 27 | 28 | 29 | 30 | Application 31 | true 32 | v141 33 | Unicode 34 | 35 | 36 | Application 37 | false 38 | v141 39 | true 40 | Unicode 41 | 42 | 43 | Application 44 | true 45 | v141 46 | Unicode 47 | 48 | 49 | Application 50 | false 51 | v141 52 | true 53 | Unicode 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | true 75 | 76 | 77 | true 78 | 79 | 80 | false 81 | 82 | 83 | false 84 | 85 | 86 | 87 | Level3 88 | Disabled 89 | true 90 | WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) 91 | true 92 | pch.h 93 | 94 | 95 | Console 96 | true 97 | 98 | 99 | 100 | 101 | Level3 102 | Disabled 103 | true 104 | _DEBUG;_CONSOLE;%(PreprocessorDefinitions) 105 | true 106 | pch.h 107 | 108 | 109 | Console 110 | true 111 | 112 | 113 | 114 | 115 | Level3 116 | MaxSpeed 117 | true 118 | true 119 | true 120 | WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) 121 | true 122 | pch.h 123 | 124 | 125 | Console 126 | true 127 | true 128 | true 129 | 130 | 131 | 132 | 133 | Level3 134 | MaxSpeed 135 | true 136 | true 137 | true 138 | NDEBUG;_CONSOLE;%(PreprocessorDefinitions) 139 | true 140 | pch.h 141 | 142 | 143 | Console 144 | true 145 | true 146 | true 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | -------------------------------------------------------------------------------- /sample/sample.vcxproj.filters: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | --------------------------------------------------------------------------------