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shariq shah 8 years ago
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  2. 262
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  3. 11
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  4. 19
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  5. 15
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  6. 130
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  21. 5
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  22. 20
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  23. 4
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  24. 4
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__________________
PROJECT SYMMETRY
Shariq Shah
__________________
Table of Contents
_________________
1 Project Symmetry
.. 1.1 What?
.. 1.2 License
.. 1.3 File format specifications
..... 1.3.1 Entity
..... 1.3.2 Configuration Variables a.k.a cfg-vars
..... 1.3.3 Keybindings
..... 1.3.4 Level/Scene
..... 1.3.5 Materials
..... 1.3.6 Mesh/Geometry
.. 1.4 Notes on entity Systems
2 Things TODO
.. 2.1 DONE Input
.. 2.2 DONE Shaders
.. 2.3 DONE Geometry
.. 2.4 DONE change struct usage
.. 2.5 DONE change Array implementation
.. 2.6 DONE resolve vec-types sizes
.. 2.7 DONE Transform
.. 2.8 DONE Deltatime
.. 2.9 DONE Investigate about Exit() and at_exit() functions and whether to use them or not.
.. 2.10 DONE Fix readme markdown
.. 2.11 DONE Framebuffer and resolution independent rendering
.. 2.12 DONE A simpler build system without dependencies
.. 2.13 DONE Remove dependencies
.. 2.14 DONE Remove Kazmath dependency
.. 2.15 DONE Entity
.. 2.16 TODO Positive and negative values for input_maps and returning corresponding values when they are true
.. 2.17 DONE Find a permanent solution for build system
.. 2.18 TODO Text rendering using freetype or stb lib
.. 2.19 DONE Textures
.. 2.20 DONE Camera
.. 2.21 DONE Test render
.. 2.22 TODO Bounding Boxes
.. 2.23 DONE Fix input lag and other framerate related issues
.. 2.24 TODO File extension checking for asset loading
.. 2.25 DONE Materials
.. 2.26 DONE Mesh/Model
.. 2.27 DONE Add modifiers to input maps to enable combinations for example, c-x, m-k etc
.. 2.28 TODO Only allocate hashmap bucket when required
.. 2.29 TODO Mapping actions to keybindings, for example map action "Jump" to Space key etc
.. 2.30 DONE Heirarchical Transforms
.. 2.31 DONE Materials with textures
.. 2.32 DONE Lights!
.. 2.33 DONE Fix problems with texture units
.. 2.34 CANCELED Draw light volumes
.. 2.35 DONE Fix problems with frustrum culling
.. 2.36 TODO 2d drawing routines
.. 2.37 DONE Gui
.. 2.38 CANCELED Image based lighting?
.. 2.39 CANCELED Deferred rendering?
.. 2.40 DONE Fix mouse bugs on windows
.. 2.41 DONE Configuration/Settings load/save handling
.. 2.42 DONE Fix mousewheel bugs and gui not responding to mousewheel input
.. 2.43 TODO Ability to mark meshes for debug rendering with possibility of different color for each?
.. 2.44 TODO Switch to completely static allocation of entites i.e. have a static array of MAX_ENTITIES size. This way we can store pointers to entites and they'll still be in an array and fast to process.
.. 2.45 DONE Setup cross compilation with mingw or stick to msvc?
.. 2.46 TODO Add marking or queuing up custom meshes for debug render with particular transform and color for rendering bounding spheres for example
.. 2.47 DONE Toggleable debug drawing for meshes
.. 2.48 TODO Interleaved vbos for meshes and changes to blender exporter accordingly
.. 2.49 TODO Enumerate and save all the uniform and attribute positions in shader when it is added and cache them in shader object?
.. 2.50 TODO Physics/Collision detection in 2d
.. 2.51 TODO Complete gui integration
.. 2.52 TODO Allow passsing base path as commandline argument?
.. 2.53 TODO Remove components and switch to "Fat Entities" i.e. one entity struct contains all combinations
.. 2.54 TODO Use variants for material params
.. 2.55 TODO Improve Material Parameters/Pipeline Uniforms/Instance Uniforms are handled
.. 2.56 TODO Fix light rotation/direction bugs
.. 2.57 DONE In second refactor pass, use entities everywhere, no need to pass in transform and model separately for example since they're both part of the same entity anyway
.. 2.58 DONE Show SDL dialogbox if we cannot launch at all?
.. 2.59 DONE Writing back to config file
.. 2.60 DONE Reading from config file
.. 2.61 DONE Variant -> String conversion procedure. Use in editor for debug var slots
.. 2.62 DONE Add strings and booleans to variant types
.. 2.63 DONE Fix Key release not being reported
.. 2.64 TODO Better handling incase assets folder is not found?
.. 2.65 TODO Write entity to/from file
.. 2.66 DONE OpenAL not working in releasebuilds
.. 2.67 DONE 3d sound using OpenAL
.. 2.68 TODO Ogg format loading and playback
.. 2.69 TODO Stick with OpenAL or switch to SoLoud + SDL for sound?
.. 2.70 TODO Sound streaming
.. 2.71 TODO Implment missing sound source properties (inner/outer cone, getting sound source data)
.. 2.72 TODO Ingame console and console commands etc
.. 2.73 TODO Allow binding/unbinding input maps to functions at runtime, for example if input map "Recompute" is triggered, it would call some function that can recompute bounding spheres.
.. 2.74 TODO Better handling of wav format checking at load time
.. 2.75 DONE Fix frustum culling bugs
.. 2.76 DONE Array-based Hashmaps
.. 2.77 TODO Sprite sheet animations
.. 2.78 DONE Fix bugs with heirarchical transformations
.. 2.79 TODO Replace orgfile with simple text readme and reduce duplication?
.. 2.80 TODO Ray picking
.. 2.81 DONE Remove reduntant "settings" structures and move all configuration stuff to config variables
.. 2.82 TODO Shadow maps
.. 2.83 DONE Log output to file on every run
.. 2.84 TODO Print processor stats and machine capabilites RAM etc on every run to log.
.. 2.85 TODO Milestone: Pong!
.. 2.86 TODO Do input maps really need to be queried by their string names?
.. 2.87 TODO Reloading all the things! (textures/shaders/models/settings/entities etc)
.. 2.88 TODO Separate Debug/Editor camera from the active camera in the scene that can be switched to at any time
.. 2.89 TODO Make logging to file and console toggleable at complie-time or run-time
.. 2.90 DONE Add option to specify where to read/write files from instead of being hard-coded assets dir
.. 2.91 TODO Add default keybindings
.. 2.92 TODO Write default config/keybindings etc to file if none are found in preferences dir
.. 2.93 DONE Fix input map bugs
.. 2.94 TODO Wrap malloc and free calls in custom functions to track usage
.. 2.95 TODO Flatpak packaging for linux releases
.. 2.96 TODO Use hashmap for debugvar slots in editor
.. 2.97 TODO Use hashmap to store input maps
.. 2.98 DONE Live data views in editor
.. 2.99 DONE Camera resize on window reisze
.. 2.100 DONE Resizable framebuffers and textures
.. 2.101 DONE Support for multiple color attachments in framebuffers?
.. 2.102 TODO Multisampled textures and framebuffers
.. 2.103 DONE Better way to store and manage textures attached to framebuffers
.. 2.104 TODO Validate necessary assets at game launch
.. 2.105 TODO Gamma correctness
.. 2.106 DONE Variant type
.. 2.107 TODO Log and debug/stats output in gui
.. 2.108 TODO Editor automatic window layout adjusting to the current window resolution
.. 2.109 DONE Editor
.. 2.110 TODO Event Subsystem
.. 2.111 TODO Keybindings for gui?
.. 2.112 TODO Textual/Binary format for data serialization and persistance
.. 2.113 TODO Better logging
.. 2.114 TODO Hatching/Ink rendering style
.. 2.115 DONE Fix frustum culling sometimes not working
.. 2.116 DONE Compile and test on windows
.. 2.117 TODO Array based string type comptible with cstring(char*)
.. 2.118 TODO Separate game, engine and assets into different repositories. Combine as sub-repositories
.. 2.119 DONE Fix mouse bugs
.. 2.120 DONE Fix
.. 2.121 DONE issues with opengl context showing 2.1 only
.. 2.122 TODO Improve this readme
.. 2.123 TODO ???
.. 2.124 TODO Profit!
1 Project Symmetry
==================
1.1 What?
~~~~~~~~~
A topdown 2D shooter exploring symmetry.
1.2 License
~~~~~~~~~~~
All the code in this repository is under GPLv3, see LICENSE for more
information
1.3 File format specifications
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1.3.1 Entity
------------
entity: "Something" position: 0 0 0 scale: 1 1 1 rotation: 0 0 0 1
model: "suzanne.pamesh" material: "blinn_phong" diffuse_color: 1 0 0 1
diffuse_texture: "checkered.tga" specular: 0.55
- Add to_string functions for major structs like transform, model etc
to ease in conversion?
1.3.2 Configuration Variables a.k.a cfg-vars
--------------------------------------------
render_width: 1024 render_height: 1024 debug_draw_enabled: true
fog_color: 0.5 0.2 0.2 1
ambient_light: 0.1 0.1 0.1 1 msaa: true msaa_levels: 8
1.3.3 Keybindings
-----------------
Move_Forward: W
Move_Backward: S,Down
Quit: Left Ctrl-Q
Sprint: Left Shift
1.3.4 Level/Scene
-----------------
- Binary format with header attached at the top
- Save child entities first
- Copy paste all entites in the file one by one. Since the entites all
look the same in memory and are made up of tagged unions, a simple
memcpy approach should suffice. The problem is entity
heirarchies. There are multiple approaches to solve this problem.
-- Save a sorted list of entites to file i.e. before saving create a
new list that does not have the empty array slots in the entity list
and then just copy and paste. This is the simplest way to solve the
problem as we don't have to worry about indexes of parent/child
entites in heirarchy. We can take the whole array and paste it to
the file but creating a copy of entity list for this purpose only
would be slow and consume a lot of memory. -- Instead of creating a
copy of the entity list for sorting and saving, sort the actual
entity list and update all references as necessary then save the
array to file. -- Just write the name of the parent entity as
parent. Make sure that all entity names are unique.
1.3.5 Materials
---------------
1.3.6 Mesh/Geometry
-------------------
1.4 Notes on entity Systems
~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Fat entites with all related properties, i.e. position, mesh etc in
them. Easy to serialize, memory friendly, simple to implement but
would require significant changes to the current codebase. e.g.
struct Entity { int type; char* name; struct Transform {....};
struct Camera {....};
// Separate properties unique to entity types by using unions struct
Renderable { struct Model {....}; union { struct Player { int score;
int bullets; };
struct Enemy { int target; }; } } };
- Change component implementation by using anonymous unions to
simulate interfaces. e.g struct Component { int type; union { struct
Transform {....}; struct Model {....}; struct Camera {....}; } }
- Use handles for assets
- Use something similar to Variant to use as entity, not sure what or
how
- Don't forget to think of the actual use-case and usage when coming
up with a solution, don't build castles in the air!
2 Things TODO
=============
2.1 DONE Input
~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-07-02 Thu 01:24]
- Input maps (addition/removal)
- Adding removing keys to input maps
- Changing map na
2.2 DONE Shaders
~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-07-11 Sat 17:57]
- set asset folder
- load/compile shader
2.3 DONE Geometry
~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-07-11 Sat 17:57]
2.4 DONE change struct usage
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-07-21 Tue 15:13]
2.5 DONE change Array implementation
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-07-25 Sat 20:27]
2.6 DONE resolve vec-types sizes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-07-25 Sat 20:27]
2.7 DONE Transform
~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-07-26 Sun 18:01]
2.8 DONE Deltatime
~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-07-27 Mon 11:54]
2.9 DONE Investigate about Exit() and at_exit() functions and whether to use them or not.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-08-02 Sun 19:09]
2.10 DONE Fix readme markdown
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-12-10 Thu 16:36]
2.11 DONE Framebuffer and resolution independent rendering
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2016-05-27 Fri 18:02]
2.12 DONE A simpler build system without dependencies
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2016-05-27 Fri 14:50]
2.13 DONE Remove dependencies
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-02-26 Sun 01:46]
- glfw3
- glew
2.14 DONE Remove Kazmath dependency
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-12-10 Thu 16:36]
2.15 DONE Entity
~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-09-15 Tue 12:17]
2.16 TODO Positive and negative values for input_maps and returning corresponding values when they are true
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.17 DONE Find a permanent solution for build system
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-15 Wed 00:59]
2.18 TODO Text rendering using freetype or stb lib
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.19 DONE Textures
~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-10-09 Fri 18:47]
2.20 DONE Camera
~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-08-19 Wed 13:30]
2.21 DONE Test render
~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-08-19 Wed 13:30]
2.22 TODO Bounding Boxes
~~~~~~~~~~~~~~~~~~~~~~~~
- Recalculated bounding boxes for rotated meshes?
2.23 DONE Fix input lag and other framerate related issues
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-07 Sun 18:40]
2.24 TODO File extension checking for asset loading
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.25 DONE Materials
~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-10-13 Tue 19:38]
2.26 DONE Mesh/Model
~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-10-13 Tue 19:38]
2.27 DONE Add modifiers to input maps to enable combinations for example, c-x, m-k etc
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-20 Sat 21:54]
2.28 TODO Only allocate hashmap bucket when required
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.29 TODO Mapping actions to keybindings, for example map action "Jump" to Space key etc
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.30 DONE Heirarchical Transforms
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.31 DONE Materials with textures
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2015-10-15 Thu 21:21]
2.32 DONE Lights!
~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-14 Tue 00:31]
2.33 DONE Fix problems with texture units
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2016-05-30 Mon 00:57]
2.34 CANCELED Draw light volumes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "CANCELED" from "TODO" [2017-02-26 Sun 15:39]
Deferred rendering on hold for now.
2.35 DONE Fix problems with frustrum culling
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-26 Sun 01:33]
2.36 TODO 2d drawing routines
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Sprite batching
2.37 DONE Gui
~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-15 Wed 23:41]
2.38 CANCELED Image based lighting?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "CANCELED" from "TODO" [2017-03-14 Tue 00:31]
Not a requirement for current project
2.39 CANCELED Deferred rendering?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "CANCELED" from "TODO" [2017-02-26 Sun 01:49]
Sticking with forward rendering for now and focusing on tools etc.
2.40 DONE Fix mouse bugs on windows
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-25 Sat 17:27]
2.41 DONE Configuration/Settings load/save handling
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-20 Sat 21:54]
2.42 DONE Fix mousewheel bugs and gui not responding to mousewheel input
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-19 Sun 01:31]
2.43 TODO Ability to mark meshes for debug rendering with possibility of different color for each?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.44 TODO Switch to completely static allocation of entites i.e. have a static array of MAX_ENTITIES size. This way we can store pointers to entites and they'll still be in an array and fast to process.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.45 DONE Setup cross compilation with mingw or stick to msvc?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-20 Sat 21:55]
- Done, going with mingw for now.
2.46 TODO Add marking or queuing up custom meshes for debug render with particular transform and color for rendering bounding spheres for example
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.47 DONE Toggleable debug drawing for meshes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-18 Sat 16:18]
2.48 TODO Interleaved vbos for meshes and changes to blender exporter accordingly
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.49 TODO Enumerate and save all the uniform and attribute positions in shader when it is added and cache them in shader object?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.50 TODO Physics/Collision detection in 2d
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.51 TODO Complete gui integration
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
x Font selection x Font atlas proper cleanup
- Decoupled event handling of gui and input if possible
- Custom rendering for gui
2.52 TODO Allow passsing base path as commandline argument?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.53 TODO Remove components and switch to "Fat Entities" i.e. one entity struct contains all combinations
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.54 TODO Use variants for material params
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.55 TODO Improve Material Parameters/Pipeline Uniforms/Instance Uniforms are handled
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.56 TODO Fix light rotation/direction bugs
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.57 DONE In second refactor pass, use entities everywhere, no need to pass in transform and model separately for example since they're both part of the same entity anyway
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-31 Wed 21:44]
2.58 DONE Show SDL dialogbox if we cannot launch at all?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-26 Fri 00:41]
2.59 DONE Writing back to config file
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-08 Mon 00:57]
2.60 DONE Reading from config file
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-07 Sun 23:52]
2.61 DONE Variant -> String conversion procedure. Use in editor for debug var slots
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-07 Sun 18:43]
2.62 DONE Add strings and booleans to variant types
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-29 Wed 00:23]
2.63 DONE Fix Key release not being reported
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-26 Sun 01:16]
2.64 TODO Better handling incase assets folder is not found?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.65 TODO Write entity to/from file
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.66 DONE OpenAL not working in releasebuilds
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-25 Sat 02:06]
2.67 DONE 3d sound using OpenAL
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-23 Thu 01:43]
2.68 TODO Ogg format loading and playback
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.69 TODO Stick with OpenAL or switch to SoLoud + SDL for sound?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.70 TODO Sound streaming
~~~~~~~~~~~~~~~~~~~~~~~~~
2.71 TODO Implment missing sound source properties (inner/outer cone, getting sound source data)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.72 TODO Ingame console and console commands etc
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.73 TODO Allow binding/unbinding input maps to functions at runtime, for example if input map "Recompute" is triggered, it would call some function that can recompute bounding spheres.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.74 TODO Better handling of wav format checking at load time
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.75 DONE Fix frustum culling bugs
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-31 Wed 23:38]
2.76 DONE Array-based Hashmaps
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-07 Sun 18:42]
2.77 TODO Sprite sheet animations
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.78 DONE Fix bugs with heirarchical transformations
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-06-01 Thu 00:20]
2.79 TODO Replace orgfile with simple text readme and reduce duplication?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.80 TODO Ray picking
~~~~~~~~~~~~~~~~~~~~~
2.81 DONE Remove reduntant "settings" structures and move all configuration stuff to config variables
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-06-05 Mon 02:25]
2.82 TODO Shadow maps
~~~~~~~~~~~~~~~~~~~~~
2.83 DONE Log output to file on every run
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-26 Fri 00:41]
2.84 TODO Print processor stats and machine capabilites RAM etc on every run to log.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.85 TODO Milestone: Pong!
~~~~~~~~~~~~~~~~~~~~~~~~~~
- In order to put things into perspective and get a feel for what
really needs to be prioritized, a very small but actual game release
is necessary.
- Release platforms: Windows and Linux
- Makefile additions. Try to compile game as a dynamically loaded
library with ability to reload on recompile
- Separation between game and engine base
? Game .so with init, update and cleanup functions x Configuration
files and "cvars" load/reload x Keybindings in config x Log output on
every run.
- Implement entity load/save to file
? Prefab load/save to file
2.86 TODO Do input maps really need to be queried by their string names?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.87 TODO Reloading all the things! (textures/shaders/models/settings/entities etc)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.88 TODO Separate Debug/Editor camera from the active camera in the scene that can be switched to at any time
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.89 TODO Make logging to file and console toggleable at complie-time or run-time
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.90 DONE Add option to specify where to read/write files from instead of being hard-coded assets dir
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-24 Wed 17:12]
2.91 TODO Add default keybindings
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.92 TODO Write default config/keybindings etc to file if none are found in preferences dir
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.93 DONE Fix input map bugs
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-05-31 Wed 23:19]
2.94 TODO Wrap malloc and free calls in custom functions to track usage
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.95 TODO Flatpak packaging for linux releases
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.96 TODO Use hashmap for debugvar slots in editor
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.97 TODO Use hashmap to store input maps
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.98 DONE Live data views in editor
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-22 Wed 02:14]
2.99 DONE Camera resize on window reisze
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-20 Mon 15:22]
2.100 DONE Resizable framebuffers and textures
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-16 Thu 22:50]
2.101 DONE Support for multiple color attachments in framebuffers?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-16 Thu 22:51]
2.102 TODO Multisampled textures and framebuffers
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.103 DONE Better way to store and manage textures attached to framebuffers
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-16 Thu 22:51]
2.104 TODO Validate necessary assets at game launch
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.105 TODO Gamma correctness
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.106 DONE Variant type
~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-22 Wed 02:14]
2.107 TODO Log and debug/stats output in gui
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.108 TODO Editor automatic window layout adjusting to the current window resolution
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.109 DONE Editor
~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-06-20 Tue 01:12]
2.110 TODO Event Subsystem
~~~~~~~~~~~~~~~~~~~~~~~~~~
2.111 TODO Keybindings for gui?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.112 TODO Textual/Binary format for data serialization and persistance
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.113 TODO Better logging
~~~~~~~~~~~~~~~~~~~~~~~~~
2.114 TODO Hatching/Ink rendering style
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.115 DONE Fix frustum culling sometimes not working
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-25 Sat 19:10]
2.116 DONE Compile and test on windows
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-14 Tue 00:32]
2.117 TODO Array based string type comptible with cstring(char*)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.118 TODO Separate game, engine and assets into different repositories. Combine as sub-repositories
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.119 DONE Fix mouse bugs
~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-01 Wed 00:45]
2.120 DONE Fix
~~~~~~~~~~~~~~
2.121 DONE issues with opengl context showing 2.1 only
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- State "DONE" from "TODO" [2017-03-19 Sun 14:03]
- State "DONE" from "TODO" [2017-02-26 Sun 15:39]
2.122 TODO Improve this readme
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2.123 TODO ???
~~~~~~~~~~~~~~
2.124 TODO Profit!
~~~~~~~~~~~~~~~~~~

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README.md
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===================
Project Symmetry
===================
** What?
A topdown 2D shooter exploring symmetry.
** License
All the code in this repository is under GPLv3, see LICENSE for more information
** File format specifications
*** Entity
# Comment, Sample entity definition in file, paremeters left out are set to defaults
# Empty line at the end specifies end of entity definition
entity: "Something"
position: 0 0 0
scale: 1 1 1
rotation: 0 0 0 1
model: "suzanne.pamesh"
material: "blinn_phong"
diffuse_color: 1 0 0 1
diffuse_texture: "checkered.tga"
specular: 0.55
- Add to_string functions for major structs like transform, model etc to ease in conversion?
*** Configuration Variables a.k.a cfg-vars
# Comment
render_width: 1024
render_height: 1024
debug_draw_enabled: true
fog_color: 0.5 0.2 0.2 1
# There can be comments or empty newlines in between unlike entity definitions
ambient_light: 0.1 0.1 0.1 1
msaa: true
msaa_levels: 8
*** Keybindings
# All keys are parsed by comparing the output of SDL_GetKeyname
# Each line represents a keybinding
Move_Forward: W
# Multiple keys to a single binding are specified with commas
Move_Backward: S,Down
# Combinations are specified with a hyphen/dash
# When specifing combinations, modifiers(shift, alt, ctrl) always come before
# the hyphen and the actual key comes afterwards. At the moment modifier keys are
# forced to be on the left side i.e. Left Control, Left Shift and Left Alt.
Quit: Left Ctrl-Q
# Single modifier keys are allowed but multiple modifier keys without corresponding
# non-modifier key are not allowed
Sprint: Left Shift
*** Level/Scene
- Binary format with header attached at the top
- Save child entities first
- Copy paste all entites in the file one by one. Since the entites all look
the same in memory and are made up of tagged unions, a simple memcpy approach
should suffice. The problem is entity heirarchies. There are multiple approaches to
solve this problem.
-- Save a sorted list of entites to file i.e. before saving create a new list that does
not have the empty array slots in the entity list and then just copy and paste. This
is the simplest way to solve the problem as we don't have to worry about indexes of
parent/child entites in heirarchy. We can take the whole array and paste it to the
file but creating a copy of entity list for this purpose only would be slow and consume a lot of memory.
-- Instead of creating a copy of the entity list for sorting and saving, sort the actual entity list
and update all references as necessary then save the array to file.
-- Just write the name of the parent entity as parent. Make sure that all entity names are unique.
*** Materials
*** Mesh/Geometry
** Notes on entity Systems
- Fat entites with all related properties, i.e. position, mesh etc in them. Easy to serialize, memory friendly, simple to implement
but would require significant changes to the current codebase. e.g.
struct Entity
{
int type;
char* name;
struct Transform {....};
struct Camera {....};
// Separate properties unique to entity types by using unions
struct Renderable
{
struct Model {....};
union
{
struct Player
{
int score;
int bullets;
};
struct Enemy
{
int target;
};
}
}
};
- Change component implementation by using anonymous unions to simulate interfaces. e.g
struct Component
{
int type;
union
{
struct Transform {....};
struct Model {....};
struct Camera {....};
}
}
- Use handles for assets
- Use something similar to Variant to use as entity, not sure what or how
- Don't forget to think of the actual use-case and usage when coming up with a solution, don't build castles in the air!
================
Things TODO
================
x Input
x Shaders
x Geometry
x change struct usage
x change Array implementation
x resolve vec-types sizes
x Transform
x Deltatime
x Investigate about Exit() and at_exit() functions and whether to use them or not.
x Fix readme markdown
x Framebuffer and resolution independent rendering
x A simpler build system without dependencies
x Remove dependencies
x Remove Kazmath dependency
x Entity
x Find a permanent solution for build system
? Positive and negative values for input_maps and returning corresponding values when they are true
x Textures
x Camera
x Test render
x Fix input lag and other framerate related issues
x Materials
x Mesh/Model
x Add modifiers to input maps to enable combinations for example, c-x, m-k etc
x Heirarchical Transforms
x Materials with textures
x Lights!
x Fix problems with texture units
x Fix problems with frustrum culling
x Gui
x Fix mouse bugs on windows
x Configuration/Settings load/save handling
x Fix mousewheel bugs and gui not responding to mousewheel input
x Setup cross compilation with mingw or stick to msvc?
x Toggleable debug drawing for meshes
x Font selection
x Font atlas proper cleanup
x In second refactor pass, use entities everywhere, no need to pass in transform and model separately for example since they're both part of the same entity anyway
x Show SDL dialogbox if we cannot launch at all?
x Writing back to config file
x Reading from config file
x Variant -> String conversion procedure. Use in editor for debug var slots
x Add strings and booleans to variant types
x Fix Key release not being reported
x OpenAL not working in releasebuilds
x 3d sound using OpenAL
x Fix frustum culling bugs
x Array-based Hashmaps
x Fix bugs with heirarchical transformations
x Remove reduntant "settings" structures and move all configuration stuff to config variables
x Log output to file on every run
x Add option to specify where to read/write files from instead of being hard-coded assets dir
x Fix input map bugs
x Live data views in editor
x Camera resize on window reisze
x Resizable framebuffers and textures
x Support for multiple color attachments in framebuffers?
x Better way to store and manage textures attached to framebuffers
x Variant type
x Editor
x Fix frustum culling sometimes not working
x Compile and test on windows
x Fix mouse bugs
x Fix
x issues with opengl context showing 2.1 only
x Improve this readme
x Replace orgfile with simple text readme and reduce duplication?
- Bounding Boxes
? Recalculated bounding boxes for rotated meshes?
- File extension checking for asset loading
- Only allocate hashmap bucket when required
- Mapping actions to keybindings, for example map action "Jump" to Space key etc
- Ability to mark meshes for debug rendering with possibility of different color for each?
- Switch to completely static allocation of entites i.e. have a static array of MAX_ENTITIES size. This way we can store pointers to entites and they'll still be in an array and fast to process.
? CANCELED Image based lighting?
? CANCELED Deferred rendering?
- Add marking or queuing up custom meshes for debug render with particular transform and color for rendering bounding spheres for example
- Interleaved vbos for meshes and changes to blender exporter accordingly
- Enumerate and save all the uniform and attribute positions in shader when it is added and cache them in shader object?
- Physics/Collision detection in 2d
- Complete gui integration
- Decoupled event handling of gui and input if possible
- Custom rendering for gui
- Allow passsing base path as commandline argument?
- Remove components and switch to "Fat Entities" i.e. one entity struct contains all combinations
- Use variants for material params
- Improve Material Parameters/Pipeline Uniforms/Instance Uniforms are handled
- Fix light rotation/direction bugs
- Better handling incase assets folder is not found?
- Write entity to/from file
- Ogg format loading and playback
- Stick with OpenAL or switch to SoLoud + SDL for sound?
- Sound streaming
- Implment missing sound source properties (inner/outer cone, getting sound source data)
- Ingame console and console commands etc
- Allow binding/unbinding input maps to functions at runtime, for example if input map "Recompute" is triggered, it would call some function that can recompute bounding spheres.
- Better handling of wav format checking at load time
- Sprite sheet animations
- First class 2d rendering
- Sprite batching (XNA like)
- Font rendering(2d/3d) with stb_ttf or freetype
? Minimal custom UI for in-game usage that can be rendered to a texture or modify nuklear for that?
- Ray picking
- Shadow maps
- Print processor stats and machine capabilites RAM etc on every run to log.
- Milestone: Pong!
- In order to put things into perspective and get a feel for what really needs to be prioritized, a very small but actual game release is necessary.
- Release platforms: Windows and Linux
- Makefile additions. Try to compile game as a dynamically loaded library with ability to reload on recompile
- Separation between game and engine base
? Game .so with init, update and cleanup functions
x Configuration files and "cvars" load/reload
x Keybindings in config
x Log output on every run.
- Implement entity load/save to file
? Prefab load/save to file
- Do input maps really need to be queried by their string names?
- Reloading all the things! (textures/shaders/models/settings/entities etc)
- Separate Debug/Editor camera from the active camera in the scene that can be switched to at any time
- Make logging to file and console toggleable at complie-time or run-time
- Add default keybindings
- Write default config/keybindings etc to file if none are found in preferences dir
- Wrap malloc and free calls in custom functions to track usage
- Flatpak packaging for linux releases
- Use hashmap for debugvar slots in editor
- Use hashmap to store input maps
- Multisampled textures and framebuffers
- Validate necessary assets at game launch
- Gamma correctness
- Log and debug/stats output in gui
- Editor automatic window layout adjusting to the current window resolution
- Event Subsystem
- Keybindings for gui?
- Textual/Binary format for data serialization and persistance
- Better logging
- Hatching/Ink rendering style
- Array based string type comptible with cstring(char*)
- Separate game, engine and assets into different repositories. Combine as sub-repositories
- ???
- Profit!

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name: Ground
type: 5
is_listener: false
renderable: true
parent: ROOT
position: 0.00000 -5.00000 0.00000
scale: 400.00000 2.00000 400.00000
rotation: 0.00000 0.00000 0.00000 1.00000
material: Blinn_Phong
geometry: default.pamesh

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name: Light_Ent
type: 4
is_listener: false
renderable: false
parent: ROOT
position: 7.00000 1.00000 82.00000
scale: 1.00000 1.00000 1.00000
rotation: 0.00000 0.00000 0.00000 1.00000
light_type: 0
outer_angle: 0.52360
inner_angle: 0.34907
falloff: 1.50000
radius: 40
intensity: 2.00000
depth_bias: 0.00050
valid: true
cast_shadow: false
pcf_enabled: false
color: 0.00000 1.0000 0.000

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assets/player.ent
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name: player
type: 2
is_listener: 1
renderable: 0
parent: ROOT
position: 10.00000 5.00000 100.00000
scale: 1.00000 1.00000 1.00000
rotation: 0.00000 0.00000 0.00000 1.00000
ortho: 0
resizeable: 1
fov: 60.00000
nearz: 0.10000
farz: 1000.00000
render_texture: 1

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//include fog.glsl common.glsl commonFrag.glsl version.glsl
struct Light
{
vec3 position;
vec3 direction;
float outer_angle;
float inner_angle;
float falloff;
float intensity;
vec3 color;
uint pcf_enabled;
int type;
int radius;
float depth_bias;
};
const int LT_SPOT = 0;
const int LT_DIR = 1;
const int LT_POINT = 2;
const int MAX_LIGHTS = 128;
uniform sampler2D diffuse_texture;
uniform Light lights[MAX_LIGHTS];
uniform int total_active_lights;
uniform float specular;
uniform float diffuse;
uniform float specular_strength;
out vec4 frag_color;
vec3 calc_point_light(in Light light)
{
vec3 diffuse_comp = vec3(0.0);
vec3 specular_comp = vec3(0.0);
vec3 light_direction = vertex - light.position;
float dist = abs(length(light_direction));
if(dist <= light.radius)
{
light_direction = normalize(light_direction);
vec3 normalized_normal = normalize(normal);
float cos_ang_incidence = dot(normalized_normal, -light_direction);
cos_ang_incidence = clamp(cos_ang_incidence, 0, 1);
if(cos_ang_incidence > 0)
{
diffuse_comp = light.color * diffuse * cos_ang_incidence;
vec3 vertex_to_eye = normalize(camera_pos - vertex);
vec3 halfway = normalize(light.direction + vertex_to_eye);
float specular_factor = max(0.0, dot(normalized_normal, halfway));
specular_factor = pow(specular_factor, specular_strength);
specular_comp = light.color * specular * specular_factor;
}
float attenuation = pow(max(0.0, (1.0 - (dist / light.radius))), light.falloff + 1.0f);
return (((diffuse_comp + specular_comp) * attenuation) * light.intensity);
}
else
{
return vec3(0.0);
}
}
vec3 calc_dir_light(in Light light)
{
vec3 diffuse_comp = vec3(0.0);
vec3 specular_comp = vec3(0.0);
vec3 normalized_normal = normalize(normal);
float cos_ang_incidence = dot(normalized_normal, -light.direction);
cos_ang_incidence = clamp(cos_ang_incidence, 0, 1);
float shadow_factor = 1.0;
if(cos_ang_incidence > 0)
{
diffuse_comp = light.color * diffuse * cos_ang_incidence;
vec3 vertex_to_eye = normalize(camera_pos - vertex);
vec3 light_reflect = normalize(reflect(light.direction, normalized_normal));
vec3 halfway = normalize(light.direction + vertex_to_eye);
float specular_factor = max(0.0, dot(normalized_normal, halfway));
specular_factor = pow(specular_factor, specular_strength);
specular_comp = light.color * specular * specular_factor;
// if(light.castShadow == 1)
// {
// shadow_factor = calcShadowFactor(vertLightSpace.xyz);
// }
}
//return (light.intensity * (diffuse_comp + specular_comp)) * shadow_factor;
return (light.intensity * (diffuse_comp + specular_comp));
}
vec3 calc_spot_light(in Light light)
{
vec3 color = vec3(0.0);
vec3 light_to_surface = vertex - light.position;
float angle = dot(light.direction, normalize(light_to_surface));
if(acos(angle) < light.outer_angle)
{
color = calc_point_light(light);
color *= smoothstep(cos(light.outer_angle), cos(light.inner_angle), angle);
// if(light.cast_shadow != 0)
// {
// float shadow_factor = calc_shadow_factor(vert_light_space.xyz / vert_light_space.w);
// color *= shadow_factor;
// }
}
return color;// * shadowFactor;
}
void main()
{
vec4 albedo_color = diffuse_color * texture(diffuse_texture, uv);
vec3 light_contribution = vec3(0.0, 0.0, 0.0);
for(int i = 0; i < total_active_lights; i++)
{
if(i == total_active_lights) break;
if(lights[i].type == LT_POINT)
light_contribution += calc_point_light(lights[i]);
else if(lights[i].type == LT_DIR)
light_contribution += calc_dir_light(lights[i]);
else
light_contribution += calc_spot_light(lights[i]);
}
//frag_color = apply_fog((albedo_color * vec4(light_contribution + ambient_light, 1.0)));
frag_color = diffuse_color;
}

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//include version.glsl
in vec2 uv;
out vec4 frag_color;
struct Light
{
vec3 position;
float outer_angle;
float inner_angle;
float falloff;
float intensity;
vec4 color;
uint pcf_enabled;
int type;
int radius;
float depth_bias;
};
const int LT_SPOT = 0;
const int LT_DIR = 1;
const int LT_POINT = 2;
uniform sampler2D albedo_map;
uniform sampler2D position_map;
uniform sampler2D normal_map;
uniform sampler2D depth_map;
uniform Light light;
uniform vec3 camera_pos;
uniform mat4 mvp;
uniform mat4 inv_proj_mat;
uniform vec2 screen_size;
uniform vec2 planes;
vec4 calc_point_light(Light point_light,
vec3 vertex,
vec3 normal,
vec4 albedo_color,
float mat_specular_strength,
float mat_specular)
{
vec4 diffuse = vec4(0.0);
vec4 specular = vec4(0.0);
vec3 light_direction = vertex - point_light.position;
light_direction = normalize(light_direction);
float distance = abs(length(light_direction));
vec3 normalized_normal = normalize(normal);
float cos_ang_incidence = dot(normalized_normal, -light_direction);
cos_ang_incidence = clamp(cos_ang_incidence, 0, 1);
if(cos_ang_incidence > 0)
{
diffuse = point_light.color * albedo_color * cos_ang_incidence;
vec3 vertex_to_eye = normalize(camera_pos - vertex);
vec3 light_reflect = normalize(reflect(light_direction, normalized_normal));
float specular_factor = max(0.0, dot(vertex_to_eye, light_reflect));
specular_factor = pow(specular_factor, mat_specular_strength);
specular = point_light.color * mat_specular * specular_factor;
}
float attenuation = pow(max(0.0, (1.0 - (distance / point_light.radius))), point_light.falloff + 1.0f);
return (((diffuse + specular) * attenuation) * point_light.intensity);
// if(distance <= point_light.radius)
// {
// light_direction = normalize(light_direction);
// vec3 normalized_normal = normalize(normal);
// float cos_ang_incidence = dot(normalized_normal, -light_direction);
// cos_ang_incidence = clamp(cos_ang_incidence, 0, 1);
// if(cos_ang_incidence > 0)
// {
// diffuse = point_light.color * albedo_color * cos_ang_incidence;
// vec3 vertex_to_eye = normalize(camera_pos - vertex);
// vec3 light_reflect = normalize(reflect(light_direction, normalized_normal));
// float specular_factor = max(0.0, dot(vertex_to_eye, light_reflect));
// specular_factor = pow(specular_factor, mat_specular_strength);
// specular = point_light.color * mat_specular * specular_factor;
// }
// float attenuation = pow(max(0.0, (1.0 - (distance / point_light.radius))), point_light.falloff + 1.0f);
// return (((diffuse + specular) * attenuation) * point_light.intensity);
// }
// else
// {
// return vec4(0.0);
// }
}
float lz(float depth)
{
return planes.x / (planes.y - depth * (planes.y - planes.x)) * planes.y;
}
void main()
{
//vec2 uv_coords = gl_FragCoord.xy / screen_size;
vec2 uv_coords = uv;
vec4 albedo_color = texture(albedo_map, uv_coords);
vec3 position = texture(position_map, uv_coords).rgb;
vec3 normal = texture(normal_map, uv_coords).rgb;
normal = normalize(normal);
// vec3 position = vec3(0);
// position = vec4(inv_proj_mat * vec4(position, 1.0)).xyz;
// float depth = texture(depth_map, uv_coords.st).x;
// position.x = ((gl_FragCoord.x / screen_size.x) - 0.5) * 2.0;
// position.y = ((-gl_FragCoord.y/screen_size.y)+0.5) * 2.0 / (screen_size.x/screen_size.y);
// position.z = lz(depth);
// position.x *= position.z;
// position.y *= -position.z;
//normal = vec4(inv_proj_mat * vec4(normal, 1.0)).xyz;
frag_color = calc_point_light(light, position, normal, albedo_color, 20, 1.f);
//frag_color = vec4(albedo_color, 1.0);
}

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//include version.glsl
in vec2 vPosition;
in vec2 vUV;
out vec2 uv;
uniform mat4 mvp;
void main()
{
uv = vUV;
//gl_Position = mvp * vec4(vPosition, 1.0);
gl_Position = vec4(vPosition, 0, 1.0);
}

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//include fog.glsl phongCommon.glsl common.glsl commonFrag.glsl version.glsl
void main()
{
vec4 totalLightColor = calculateLight();
fragColor = applyFog(diffuseColor * (totalLightColor + ambientLight));
}

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//include commonVert.glsl version.glsl
void main()
{
gl_Position = transformPosition(vPosition);
setOutputs();
}

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//include fog.glsl phongCommon.glsl common.glsl commonFrag.glsl version.glsl
uniform sampler2D sampler;
void main()
{
vec4 pixelColor = diffuseColor * texture(sampler, uv);
vec4 totalLightColor = calculateLight();
fragColor = applyFog(pixelColor * (totalLightColor + ambientLight));
}

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#version 130
in vec2 uv;
out vec4 fragColor;
uniform vec4 textColor;
uniform sampler2D sampler;
void main()
{
fragColor = texture2D(sampler, uv) * textColor;
}

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#version 130
in vec2 vPosition;
in vec2 vUV;
out vec2 uv;
uniform mat4 mvp;
void main()
{
uv = vUV;
gl_Position = mvp * vec4(vPosition, 0, 1.0);
}

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#version 130
uniform sampler2D sampler;
in vec2 uv;
out vec4 fragColor;
void main()
{
// fragColor = vec4(0, 1, 0, 1) * texture2D(sampler, uv.st);
fragColor = vec4(0, 1, 0, 1);
}

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#version 130
in vec3 vPosition;
in vec2 vUV;
out vec2 uv;
void main()
{
uv = vUV;
gl_Position = vec4(vPosition, 1.0);
}

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//include fog.glsl commonFrag.glsl common.glsl version.glsl
uniform sampler2D sampler;
void main()
{
vec4 pixelColor = diffuseColor * texture(sampler, uv);
fragColor = applyFog(pixelColor);
}

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//include commonVert.glsl version.glsl
void main()
{
gl_Position = transformPosition(vPosition);
setOutputs();
}

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-@$(CC) $(CFLAGS) -c $< -o $@ -@$(CC) $(CFLAGS) -c $< -o $@
pre_build: pre_build:
-@mkdir .debug .release -@mkdir -p .debug .release
post_build: post_build:
-@ln -fs /mnt/Dev/Projects/symmetry/assets assets -@ln -fs /mnt/Dev/Projects/symmetry/assets assets

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-@$(CC) $(CFLAGS) -c $< -o $@ -@$(CC) $(CFLAGS) -c $< -o $@
pre_build: pre_build:
-@mkdir .debug .release -@mkdir -p .debug .release
post_build: post_build:
-@ln -fs /mnt/Dev/Projects/symmetry/assets assets -@ln -fs /mnt/Dev/Projects/symmetry/assets assets

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#+AUTHOR:Shariq Shah
#+EMAIL:bluerriq@gmail.com
#+TITLE:Project Symmetry
* Project Symmetry
** What?
A topdown 2D shooter exploring symmetry.
** License
All the code in this repository is under GPLv3, see LICENSE for more information
** File format specifications
*** Entity
# Comment, Sample entity definition in file, paremeters left out are set to defaults
# Empty line at the end specifies end of entity definition
entity: "Something"
position: 0 0 0
scale: 1 1 1
rotation: 0 0 0 1
model: "suzanne.pamesh"
material: "blinn_phong"
diffuse_color: 1 0 0 1
diffuse_texture: "checkered.tga"
specular: 0.55
- Add to_string functions for major structs like transform, model etc to ease in conversion?
*** Configuration Variables a.k.a cfg-vars
# Comment
render_width: 1024
render_height: 1024
debug_draw_enabled: true
fog_color: 0.5 0.2 0.2 1
# There can be comments or empty newlines in between unlike entity definitions
ambient_light: 0.1 0.1 0.1 1
msaa: true
msaa_levels: 8
*** Keybindings
# All keys are parsed by comparing the output of SDL_GetKeyname
# Each line represents a keybinding
Move_Forward: W
# Multiple keys to a single binding are specified with commas
Move_Backward: S,Down
# Combinations are specified with a hyphen/dash
# When specifing combinations, modifiers(shift, alt, ctrl) always come before
# the hyphen and the actual key comes afterwards. At the moment modifier keys are
# forced to be on the left side i.e. Left Control, Left Shift and Left Alt.
Quit: Left Ctrl-Q
# Single modifier keys are allowed but multiple modifier keys without corresponding
# non-modifier key are not allowed
Sprint: Left Shift
*** Level/Scene
- Binary format with header attached at the top
- Save child entities first
- Copy paste all entites in the file one by one. Since the entites all look
the same in memory and are made up of tagged unions, a simple memcpy approach
should suffice. The problem is entity heirarchies. There are multiple approaches to
solve this problem.
-- Save a sorted list of entites to file i.e. before saving create a new list that does
not have the empty array slots in the entity list and then just copy and paste. This
is the simplest way to solve the problem as we don't have to worry about indexes of
parent/child entites in heirarchy. We can take the whole array and paste it to the
file but creating a copy of entity list for this purpose only would be slow and consume a lot of memory.
-- Instead of creating a copy of the entity list for sorting and saving, sort the actual entity list
and update all references as necessary then save the array to file.
-- Just write the name of the parent entity as parent. Make sure that all entity names are unique.
*** Materials
*** Mesh/Geometry
** Notes on entity Systems
- Fat entites with all related properties, i.e. position, mesh etc in them. Easy to serialize, memory friendly, simple to implement
but would require significant changes to the current codebase. e.g.
struct Entity
{
int type;
char* name;
struct Transform {....};
struct Camera {....};
// Separate properties unique to entity types by using unions
struct Renderable
{
struct Model {....};
union
{
struct Player
{
int score;
int bullets;
};
struct Enemy
{
int target;
};
}
}
};
- Change component implementation by using anonymous unions to simulate interfaces. e.g
struct Component
{
int type;
union
{
struct Transform {....};
struct Model {....};
struct Camera {....};
}
}
- Use handles for assets
- Use something similar to Variant to use as entity, not sure what or how
- Don't forget to think of the actual use-case and usage when coming up with a solution, don't build castles in the air!
* Things TODO
** DONE Input
- State "DONE" from "TODO" [2015-07-02 Thu 01:24]
- Input maps (addition/removal)
- Adding removing keys to input maps
- Changing map na
** DONE Shaders
- State "DONE" from "TODO" [2015-07-11 Sat 17:57]
- set asset folder
- load/compile shader
** DONE Geometry
- State "DONE" from "TODO" [2015-07-11 Sat 17:57]
** DONE change struct usage
- State "DONE" from "TODO" [2015-07-21 Tue 15:13]
** DONE change Array implementation
- State "DONE" from "TODO" [2015-07-25 Sat 20:27]
** DONE resolve vec-types sizes
- State "DONE" from "TODO" [2015-07-25 Sat 20:27]
** DONE Transform
- State "DONE" from "TODO" [2015-07-26 Sun 18:01]
** DONE Deltatime
- State "DONE" from "TODO" [2015-07-27 Mon 11:54]
** DONE Investigate about Exit() and at_exit() functions and whether to use them or not.
- State "DONE" from "TODO" [2015-08-02 Sun 19:09]
** DONE Fix readme markdown
- State "DONE" from "TODO" [2015-12-10 Thu 16:36]
** DONE Framebuffer and resolution independent rendering
- State "DONE" from "TODO" [2016-05-27 Fri 18:02]
** DONE A simpler build system without dependencies
- State "DONE" from "TODO" [2016-05-27 Fri 14:50]
** DONE Remove dependencies
- State "DONE" from "TODO" [2017-02-26 Sun 01:46]
- glfw3
- glew
** DONE Remove Kazmath dependency
- State "DONE" from "TODO" [2015-12-10 Thu 16:36]
** DONE Entity
- State "DONE" from "TODO" [2015-09-15 Tue 12:17]
** TODO Positive and negative values for input_maps and returning corresponding values when they are true
** DONE Find a permanent solution for build system
- State "DONE" from "TODO" [2017-03-15 Wed 00:59]
** TODO Text rendering using freetype or stb lib
** DONE Textures
- State "DONE" from "TODO" [2015-10-09 Fri 18:47]
** DONE Camera
- State "DONE" from "TODO" [2015-08-19 Wed 13:30]
** DONE Test render
- State "DONE" from "TODO" [2015-08-19 Wed 13:30]
** TODO Bounding Boxes
- Recalculated bounding boxes for rotated meshes?
** DONE Fix input lag and other framerate related issues
- State "DONE" from "TODO" [2017-05-07 Sun 18:40]
** TODO File extension checking for asset loading
** DONE Materials
- State "DONE" from "TODO" [2015-10-13 Tue 19:38]
** DONE Mesh/Model
- State "DONE" from "TODO" [2015-10-13 Tue 19:38]
** DONE Add modifiers to input maps to enable combinations for example, c-x, m-k etc
- State "DONE" from "TODO" [2017-05-20 Sat 21:54]
** TODO Only allocate hashmap bucket when required
** TODO Mapping actions to keybindings, for example map action "Jump" to Space key etc
** DONE Heirarchical Transforms
** DONE Materials with textures
- State "DONE" from "TODO" [2015-10-15 Thu 21:21]
** DONE Lights!
- State "DONE" from "TODO" [2017-03-14 Tue 00:31]
** DONE Fix problems with texture units
- State "DONE" from "TODO" [2016-05-30 Mon 00:57]
** CANCELED Draw light volumes
- State "CANCELED" from "TODO" [2017-02-26 Sun 15:39] \\
Deferred rendering on hold for now.
** DONE Fix problems with frustrum culling
- State "DONE" from "TODO" [2017-03-26 Sun 01:33]
** TODO 2d drawing routines
- Sprite batching
** DONE Gui
- State "DONE" from "TODO" [2017-03-15 Wed 23:41]
** CANCELED Image based lighting?
- State "CANCELED" from "TODO" [2017-03-14 Tue 00:31] \\
Not a requirement for current project
** CANCELED Deferred rendering?
- State "CANCELED" from "TODO" [2017-02-26 Sun 01:49] \\
Sticking with forward rendering for now and focusing on tools etc.
** DONE Fix mouse bugs on windows
- State "DONE" from "TODO" [2017-03-25 Sat 17:27]
** DONE Configuration/Settings load/save handling
- State "DONE" from "TODO" [2017-05-20 Sat 21:54]
** DONE Fix mousewheel bugs and gui not responding to mousewheel input
- State "DONE" from "TODO" [2017-03-19 Sun 01:31]
** TODO Ability to mark meshes for debug rendering with possibility of different color for each?
** TODO Switch to completely static allocation of entites i.e. have a static array of MAX_ENTITIES size. This way we can store pointers to entites and they'll still be in an array and fast to process.
** DONE Setup cross compilation with mingw or stick to msvc?
- State "DONE" from "TODO" [2017-05-20 Sat 21:55]
- Done, going with mingw for now.
** TODO Add marking or queuing up custom meshes for debug render with particular transform and color for rendering bounding spheres for example
** DONE Toggleable debug drawing for meshes
- State "DONE" from "TODO" [2017-03-18 Sat 16:18]
** TODO Interleaved vbos for meshes and changes to blender exporter accordingly
** TODO Enumerate and save all the uniform and attribute positions in shader when it is added and cache them in shader object?
** TODO Physics/Collision detection in 2d
** TODO Complete gui integration
x Font selection
x Font atlas proper cleanup
- Decoupled event handling of gui and input if possible
- Custom rendering for gui
** TODO Allow passsing base path as commandline argument?
** TODO Remove components and switch to "Fat Entities" i.e. one entity struct contains all combinations
** TODO Use variants for material params
** TODO Improve Material Parameters/Pipeline Uniforms/Instance Uniforms are handled
** TODO Fix light rotation/direction bugs
** DONE In second refactor pass, use entities everywhere, no need to pass in transform and model separately for example since they're both part of the same entity anyway
- State "DONE" from "TODO" [2017-05-31 Wed 21:44]
** DONE Show SDL dialogbox if we cannot launch at all?
- State "DONE" from "TODO" [2017-05-26 Fri 00:41]
** DONE Writing back to config file
- State "DONE" from "TODO" [2017-05-08 Mon 00:57]
** DONE Reading from config file
- State "DONE" from "TODO" [2017-05-07 Sun 23:52]
** DONE Variant -> String conversion procedure. Use in editor for debug var slots
- State "DONE" from "TODO" [2017-05-07 Sun 18:43]
** DONE Add strings and booleans to variant types
- State "DONE" from "TODO" [2017-03-29 Wed 00:23]
** DONE Fix Key release not being reported
- State "DONE" from "TODO" [2017-03-26 Sun 01:16]
** TODO Better handling incase assets folder is not found?
** TODO Write entity to/from file
** DONE OpenAL not working in releasebuilds
- State "DONE" from "TODO" [2017-03-25 Sat 02:06]
** DONE 3d sound using OpenAL
- State "DONE" from "TODO" [2017-03-23 Thu 01:43]
** TODO Ogg format loading and playback
** TODO Stick with OpenAL or switch to SoLoud + SDL for sound?
** TODO Sound streaming
** TODO Implment missing sound source properties (inner/outer cone, getting sound source data)
** TODO Ingame console and console commands etc
** TODO Allow binding/unbinding input maps to functions at runtime, for example if input map "Recompute" is triggered, it would call some function that can recompute bounding spheres.
** TODO Better handling of wav format checking at load time
** DONE Fix frustum culling bugs
- State "DONE" from "TODO" [2017-05-31 Wed 23:38]
** DONE Array-based Hashmaps
- State "DONE" from "TODO" [2017-05-07 Sun 18:42]
** TODO Sprite sheet animations
** DONE Fix bugs with heirarchical transformations
- State "DONE" from "TODO" [2017-06-01 Thu 00:20]
** TODO Replace orgfile with simple text readme and reduce duplication?
** TODO Ray picking
** DONE Remove reduntant "settings" structures and move all configuration stuff to config variables
- State "DONE" from "TODO" [2017-06-05 Mon 02:25]
** TODO Shadow maps
** DONE Log output to file on every run
- State "DONE" from "TODO" [2017-05-26 Fri 00:41]
** TODO Print processor stats and machine capabilites RAM etc on every run to log.
** TODO Milestone: Pong!
- In order to put things into perspective and get a feel for what really needs to be prioritized, a very small but actual game release is necessary.
- Release platforms: Windows and Linux
- Makefile additions. Try to compile game as a dynamically loaded library with ability to reload on recompile
- Separation between game and engine base
? Game .so with init, update and cleanup functions
x Configuration files and "cvars" load/reload
x Keybindings in config
x Log output on every run.
- Implement entity load/save to file
? Prefab load/save to file
** TODO Do input maps really need to be queried by their string names?
** TODO Reloading all the things! (textures/shaders/models/settings/entities etc)
** TODO Separate Debug/Editor camera from the active camera in the scene that can be switched to at any time
** TODO Make logging to file and console toggleable at complie-time or run-time
** DONE Add option to specify where to read/write files from instead of being hard-coded assets dir
- State "DONE" from "TODO" [2017-05-24 Wed 17:12]
** TODO Add default keybindings
** TODO Write default config/keybindings etc to file if none are found in preferences dir
** DONE Fix input map bugs
- State "DONE" from "TODO" [2017-05-31 Wed 23:19]
** TODO Wrap malloc and free calls in custom functions to track usage
** TODO Flatpak packaging for linux releases
** TODO Use hashmap for debugvar slots in editor
** TODO Use hashmap to store input maps
** DONE Live data views in editor
- State "DONE" from "TODO" [2017-03-22 Wed 02:14]
** DONE Camera resize on window reisze
- State "DONE" from "TODO" [2017-03-20 Mon 15:22]
** DONE Resizable framebuffers and textures
- State "DONE" from "TODO" [2017-03-16 Thu 22:50]
** DONE Support for multiple color attachments in framebuffers?
- State "DONE" from "TODO" [2017-03-16 Thu 22:51]
** TODO Multisampled textures and framebuffers
** DONE Better way to store and manage textures attached to framebuffers
- State "DONE" from "TODO" [2017-03-16 Thu 22:51]
** TODO Validate necessary assets at game launch
** TODO Gamma correctness
** DONE Variant type
- State "DONE" from "TODO" [2017-03-22 Wed 02:14]
** TODO Log and debug/stats output in gui
** TODO Editor automatic window layout adjusting to the current window resolution
** DONE Editor
- State "DONE" from "TODO" [2017-06-20 Tue 01:12]
** TODO Event Subsystem
** TODO Keybindings for gui?
** TODO Textual/Binary format for data serialization and persistance
** TODO Better logging
** TODO Hatching/Ink rendering style
** DONE Fix frustum culling sometimes not working
- State "DONE" from "TODO" [2017-03-25 Sat 19:10]
** DONE Compile and test on windows
- State "DONE" from "TODO" [2017-03-14 Tue 00:32]
** TODO Array based string type comptible with cstring(char*)
** TODO Separate game, engine and assets into different repositories. Combine as sub-repositories
** DONE Fix mouse bugs
- State "DONE" from "TODO" [2017-03-01 Wed 00:45]
** DONE Fix
** DONE issues with opengl context showing 2.1 only
- State "DONE" from "TODO" [2017-03-19 Sun 14:03]
- State "DONE" from "TODO" [2017-02-26 Sun 15:39]
** TODO Improve this readme
** TODO ???
** TODO Profit!

5
src/editor.c
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@ -20,6 +20,7 @@
#include "file_io.h" #include "file_io.h"
#include "config_vars.h" #include "config_vars.h"
#include "string_utils.h" #include "string_utils.h"
#include "platform.h"
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -193,11 +194,9 @@ void editor_update(float dt)
nk_labelf(context, NK_TEXT_ALIGN_RIGHT | NK_TEXT_ALIGN_MIDDLE, "FPS : %.d", fps); nk_labelf(context, NK_TEXT_ALIGN_RIGHT | NK_TEXT_ALIGN_MIDDLE, "FPS : %.d", fps);
nk_group_end(context); nk_group_end(context);
} }
static float main_editor_ratios[] = {0.2f, 0.6f, 0.2f}; static float main_editor_ratios[] = {0.2f, 0.6f, 0.2f};
nk_layout_row(context, NK_DYNAMIC, win_height - editor_state.top_panel_height, sizeof(main_editor_ratios) / sizeof(float), main_editor_ratios); nk_layout_row(context, NK_DYNAMIC, win_height - editor_state.top_panel_height, sizeof(main_editor_ratios) / sizeof(float), main_editor_ratios);
/* Left */ /* Left */
if(nk_group_begin(context, "Editor Left", NK_WINDOW_SCROLL_AUTO_HIDE)) if(nk_group_begin(context, "Editor Left", NK_WINDOW_SCROLL_AUTO_HIDE))
{ {

20
src/game.c
Unescape View File

@ -39,7 +39,7 @@
#define MAX_FRAME_TIME 0.5f #define MAX_FRAME_TIME 0.5f
static int run(void); static int run(void);
static void update(float dt, int* window_should_close); static void update(float dt, bool* window_should_close);
static void render(void); static void render(void);
static void debug(float dt); static void debug(float dt);
static void debug_gui(float dt); static void debug_gui(float dt);
@ -312,7 +312,7 @@ void debug(float dt)
int run(void) int run(void)
{ {
uint32 last_time = platform_ticks_get(); uint32 last_time = platform_ticks_get();
int should_window_close = 0; bool should_window_close = 0;
while(!should_window_close) while(!should_window_close)
{ {
uint32 curr_time = platform_ticks_get(); uint32 curr_time = platform_ticks_get();
@ -332,9 +332,9 @@ int run(void)
return 1; return 1;
} }
void update(float dt, int* window_should_close) void update(float dt, bool* window_should_close)
{ {
if(input_is_key_pressed(KEY_ESCAPE)) *window_should_close = 1; if(input_is_key_pressed(KEY_ESCAPE)) *window_should_close = true;
if(input_map_state_get("Editor_Toggle", KS_RELEASED)) editor_toggle(); if(input_map_state_get("Editor_Toggle", KS_RELEASED)) editor_toggle();
if(input_map_state_get("Window_Fullscreen", KS_RELEASED)) window_fullscreen_set(game_state->window, 1); if(input_map_state_get("Window_Fullscreen", KS_RELEASED)) window_fullscreen_set(game_state->window, 1);
if(input_map_state_get("Window_Maximize", KS_RELEASED)) window_fullscreen_set(game_state->window, 0); if(input_map_state_get("Window_Maximize", KS_RELEASED)) window_fullscreen_set(game_state->window, 0);
@ -369,12 +369,12 @@ void debug_gui(float dt)
/* window flags */ /* window flags */
window_flags = 0; window_flags = 0;
ctx->style.window.header.align = header_align; ctx->style.window.header.align = header_align;
if (border) window_flags |= NK_WINDOW_BORDER; if(border) window_flags |= NK_WINDOW_BORDER;
if (resize) window_flags |= NK_WINDOW_SCALABLE; if(resize) window_flags |= NK_WINDOW_SCALABLE;
if (movable) window_flags |= NK_WINDOW_MOVABLE; if(movable) window_flags |= NK_WINDOW_MOVABLE;
if (no_scrollbar) window_flags |= NK_WINDOW_NO_SCROLLBAR; if(no_scrollbar) window_flags |= NK_WINDOW_NO_SCROLLBAR;
if (scale_left) window_flags |= NK_WINDOW_SCALE_LEFT; if(scale_left) window_flags |= NK_WINDOW_SCALE_LEFT;
if (minimizable) window_flags |= NK_WINDOW_MINIMIZABLE; if(minimizable) window_flags |= NK_WINDOW_MINIMIZABLE;
if (nk_begin(ctx, "Overview", nk_rect(70, 70, 400, 600), window_flags)) if (nk_begin(ctx, "Overview", nk_rect(70, 70, 400, 600), window_flags))
{ {

4
src/game.h
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@ -1,7 +1,9 @@
#ifndef GAME_H #ifndef GAME_H
#define GAME_H #define GAME_H
#include "platform.h" #include <stdbool.h>
struct Window;
struct Game_State struct Game_State
{ {

4
src/linmath.h
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@ -10,8 +10,10 @@ i'll make my own additions like SIMD etc later on.
*/ */
/* conversions */ /* conversions */
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#define EPSILON 0.0001 #define EPSILON 0.0001
#define M_PI 3.14159265358979323846
#define TO_RADIANS(degrees) ((degrees * M_PI) / 180.0) #define TO_RADIANS(degrees) ((degrees * M_PI) / 180.0)
#define TO_DEGREES(radians) ((radians * 180.0) / M_PI) #define TO_DEGREES(radians) ((radians * 180.0) / M_PI)

2
src/platform.c
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@ -207,7 +207,7 @@ void platform_cleanup(void)
SDL_Quit(); SDL_Quit();
} }
void platform_poll_events(int* out_quit) void platform_poll_events(bool* out_quit)
{ {
static SDL_Event event; static SDL_Event event;
while(SDL_PollEvent(&event) != 0) while(SDL_PollEvent(&event) != 0)

2
src/platform.h
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@ -29,7 +29,7 @@ int window_fullscreen_set(struct Window* window, int fullscreen);
// Platform functions // Platform functions
int platform_init(void); int platform_init(void);
void platform_cleanup(void); void platform_cleanup(void);
void platform_poll_events(int* out_quit); void platform_poll_events(bool *out_quit);
void platform_keyboard_callback_set(Keyboard_Event_Func func); void platform_keyboard_callback_set(Keyboard_Event_Func func);
void platform_mousebutton_callback_set(Mousebutton_Event_Func func); void platform_mousebutton_callback_set(Mousebutton_Event_Func func);
void platform_mousemotion_callback_set(Mousemotion_Event_Func func); void platform_mousemotion_callback_set(Mousemotion_Event_Func func);

3
src/sound.c
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@ -46,8 +46,7 @@ bool sound_init(void)
if(!sound_state.context) alcDestroyContext(sound_state.context); if(!sound_state.context) alcDestroyContext(sound_state.context);
alcCloseDevice(sound_state.device); alcCloseDevice(sound_state.device);
log_error("sound:init", "Could not set sound context"); log_error("sound:init", "Could not set sound context");
return success; return success;
} }
log_message("Opened %s", alcGetString(sound_state.device, ALC_DEVICE_SPECIFIER)); log_message("Opened %s", alcGetString(sound_state.device, ALC_DEVICE_SPECIFIER));

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