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TODO.md

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GOALS

  • Create a minimum framework to allow for a small 2D pixel-art game.

TODO

Bugs

General

  • Brainstorm a new name for the project
  • Move to a shared-library for projects to import
    • Remove main.zig
    • Change build.zig
  • Move Vectorx/matrix4 to a math directory

Renderer

Texture

Sprite

  • Sprite origin ( Not really working yet )
  • Sorting Orderer
  • Fix rotation with the new batch renderer

GUI

  • Create some basic GUI helpers such as buttons

Animation System

Input

  • Mouse manage state to detect down

Audio

  • Basic miniaudio integration

Window

  • Wrapper for window

LOG

  • [07-20-2021]

    • Playing with miniaudio

  • [07-18-2021]

    • Look into audio solutions

  • [07-17-2021]

    • Playing with collision
    • Decided that like with entity system, it is project depenent. Therefore, since this is a framework and not an engine, the project-specific implementation should be within the project source code.

  • [07-16-2021]

    • Finally got around to fixing drawColoredQuadGui.

  • [07-15-2021]

    • Deleted scene/entity/component files as that will be project dependent and this is only a framework.

  • [07-14-2021]

    • Looking into how to handle Entities and Components. Determined that since this is not an Engine, just a framework, that any Entity/Component systems should be implemented per project since that type of thing would be project dependent anyways.

  • [06-03-2021]

    • Basic animation system implemented
    • Spent hours trying to figure out why my spritesheets would not load properly. Forgot I initially set the file loader buffer to 4096 since I was loading single frame textures.
    • Allow for file_loader.zig's loadFile to take a buffer size parameter.
    • Create an animation from a texture atlas automatically.
    • Fix texture flip for the TextureRegion

  • [06-02-2021]

    • Texture Region to allow for texture atlas/sprite sheet usage.
    • Planning out basic implementation of Animation system.
    • Made an encompassing math.zig for math utilities.
    • Deleted utils/math_helpers.zig
    • Added clamp, min, and max math functions.

  • [06-01-2021]

    • Finished up basic texture batching for sprites
    • Wrapper for zalgebra vec4
    • Batch boundary catches
    • Finished basic batching for font rendering
    • Have a seperate beginGui, endGui
    • Fixed the bug with drawColoredQuad where it did not use the default texture in slot 0, so it was using random textures in the slots.

  • [05-31-2021]

    • Cont. Batch Rendering
      • Colored Quads now have okay batching
      • Before:
        • Frame (ms): 1.0334
        • Draw (ms): 0.9024
        • Draw Calls: 1093
        • Quad Count: 1093
      • After:
        • Frame (ms): 0.3093
        • Draw (ms): 0.1884
        • Draw Calls: 90
        • Quad Count: 1093

  • [05-30-2021]

    • Looking into batch rendering
    • Working on batch rendering with colored quads first.
    • Added random functions for Vector3 and Color for testing purposes.

  • [05-29-2021]

    • Finished API refactoring, Engine API should be mostly uniform. Minus the files that do not actually used instances.
    • Renamed OpenGlTexture to TextureGl to fit the new Api format.
    • Renamed FramebufferOpenGl to FramebufferGl
    • Renamed OpenGlBackend to RendererGl
      • Renamed backend_opengl.zig to renderer_opengl.zig
    • Extracted GlVertexBuffer and GlBufferUsage from renderer_opengl.zig to vertex_buffer_opengl.zig
      • Renamed GlVertexBuffer to VertexBufferGl
      • Renamed GlBufferUsage to BufferUseageGl
    • Extracted GlIndexBuffer from renderer_opengl.zig to index_buffer_opengl.zig
      • Renamed GlIndexBuffer to IndexBufferGl
    • Extracted GlVertexArray from renderer_opengl.zig to vertex_array_opengl.zig
      • Renamed GlVertexArray to VertexArrayGl
    • Extracted GlShader and GlShaderType from renderer_opengl.zig to shader_opengl.zig
      • Renamed GlShader to ShaderGl
      • Renamed GlShaderType to ShaderType
    • Extracted GlShaderProgram from renderer_opengl.zig to shader_program_opengl.zig
      • Renamed GlShaderProgram to ShaderProgramGl

  • [05-28-2021]

    • Helper function to get text width
    • Helper function to get text height
    • Started refactoring to the new API format
    • Renamed core.zig to color.zig

  • [05-27-2021]

    • Fixed font rendering scaling
    • GUI Render event
    • String helpers such as format
    • Allow for quad drawing on the gui layer
    • Let GUI elements use the alpha value

  • [05-26-2021]

    • Setting up some more basic profiling
    • Started brainstorming API formatting via api_formatting.md
    • Frame stats

  • [05-25-2021]

    • More Font Rendering
    • Something is on the screen

  • [05-24-2021]

    • Playing with FreeType2 some more

  • [05-23-2021]

    • Looking into FreeType library

  • [05-22-2021]

    • Exploring font rendering

  • [05-21-2021]

    • Required the passing of the user-defined update event and render event to the run function now rather than exporting the function as it uses the .C calling convension, which does not allow for error return types.
    • Basic scope timer

  • [05-19-2021]

    • Sprite flip
    • Moved sandbox related files to the /sandbox folder.
    • Made a Player struct to contain the test data.

  • [05-17-2021]

    • Framebuffer

  • [05-12-2021]

    • Create Sprite structure
    • Replace any texture loading instances that are using it as a sprite with an actual sprite.
    • create a drawSprite function in the renderer to make it far quicker
    • Create a set of uniform helpers that'll take the location and data pointer
    • Sprite color
    • Sprite scaling
    • Create a lerp for f32s
    • rotation

  • [05-11-2021]

    • File loader util
    • ResourceHandler
    • Extract the debug texture from the renderer and allow the user to provide a texture for drawTexturedQuad. Have a default white texture for draw quad for geometry drawing.
    • Create the test texture in the main file

  • [05-10-2021]

    • Allowed for transparency in the fragment shader.
    • Manage Input Keyboard states to allow for proper released input detection
    • Mouse Input
      • Position and press + release buttons states

  • [05-09-2021]

    • Implement a Render API to allow for the end user to draw. Rendere will handle pre-draw, and post-draw. Something simple like DrawQuad.
    • Implement a wrapper around zalgebra's vec3 and vec2
    • Replace all instances of using zalgebra's Vectors and move them over to wrapper Vectors.
    • Moving any uses of za's matrices to dross's wrapper matrix in camera/renderer
    • Input Wrapper
    • Orthographic Camera movements
    • Camera zoom

  • [05-08-2021]

    • Figure out a way to handle lifetime events.
    • Add a render event for the user to implement
    • Wrapper for zalgebra Matrix4

  • [05-07-2021]

    • Implement basic Camera
    • Updated camera_2d.zig's documentation
    • Create abstraction over zalgebra's mat4 via transform.zig

  • [05-06-2021]

    • Added zalgebra as an dependency for linear algebra
    • Implmented a basic delta time
    • Updated documentation from the texture files from yesterday.
    • Update documentation to remove the parametes and return type
      • New format being description and comments.
        • Description: What could this mean?
        • Comments: Any noteworthy additions, such as memory ownership (if the method/function is passed an allocator), internal use only, etc.
    • Update comments to remove opengl function signatures and consolidate them in zig_gl_conversions.md
    • Log the conversion methods between OpenGL and Zig in zig_gl_conversions.md

  • [05-05-2021]

    • Add a use helper method to the shader program
    • Add uniform helper methods to the shader program struct
    • import stb_images.h
    • Remove target_api parameter for buildTexture
    • OpenGL Textures

  • [05-04-2021]

    • Move most of application build code to build method in app
    • Add shader type to shader compilation failure error message
    • Add color inputs to the shaders
    • Automatically read a shader file and input it to a something.
    • Updated README

  • [05-03-2021]

    • Render a triangle
    • ShaderProgram
    • Vertex Array Object
    • Vertex Buffer Object
    • Implement index buffer
    • Process Input
    • Document ownership on any functions/methods that are passed an allocator
    • Documented and Commented on all new code from today.

  • [05-02-2021]

    • Imported OpenGL
    • Laid out Application structure
    • Abstracted OpenGL out from the user's end(main.zig in this case)
    • Learned about Memory Allocators
    • Make Renderer MOSTLY graphics api agnostic
    • Go back through all of the TODOs and begin to document the project
    • Helper methods/functions for the Color struct
    • Replace any instances of r, g, b values with the Color struct

  • [05-01-2021]

    • Setup Repo
    • Setup VSCode
    • Setup up GLFW