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doodle/pkg/balance/README.md

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Tune Some Constants via Environment Variables Some of the constants in the `balance` package can be set at startup time via environment variables. With this, you can customize the color and style of the developer shell, turn on debugging visuals to outline Canvas widgets, and more. The parser is at `balance/debug.go` and human readable descriptions are in the `balance/README.md`
2018-10-19 16:55:41 +00:00
# balance
Constants and settings for the Doodle app.
## Environment Variables
Some runtime settings can be configured in the environment. Here they are
with their default values.
Most colors work with alpha channels; just provide an 8 hex character code,
like `#FF00FF99` for 153 ($99) on the alpha channel.
* Application Windw Size (ints):
* `DOODLE_W=1024`
* `DOODLE_H=768`
* Shell settings:
* `D_SHELL_BG=#001428C8`: shell background color.
* `D_SHELL_FG=#0099FF`: shell text color.
* `D_SHELL_PC=#FFFFFF`: shell prompt color.
* `D_SHELL_LN=8`: shell history line count (how tall the shell is in lines)
* `D_SHELL_FS=16`: font size for both the shell and on-screen flashed
messages.
* Debug Colors and Hitboxes (default invisible=off):
Draw Actors Embedded in Levels in Edit Mode Add the JSON format for embedding Actors (Doodad instances) inside of a Level. I made a test map that manually inserted a couple of actors. Actors are given to the Canvas responsible for the Level via the function `InstallActors()`. So it means you'll call LoadLevel and then InstallActors to hook everything up. The Canvas creates sub-Canvas widgets from each Actor. After drawing the main level geometry from the Canvas.Chunker, it calls the drawActors() function which does the same but for Actors. Levels keep a global map of all Actors that exist. For any Actors that are visible within the Viewport, their sub-Canvas widgets are presented appropriately on top of the parent Canvas. In case their sub-Canvas overlaps the parent's boundaries, their sub-Canvas is resized and moved appropriately. - Allow the MainWindow to be resized at run time, and the UI recalculates its sizing and position. - Made the in-game Shell properties editable via environment variables. The kirsle.env file sets a blue and pink color scheme. - Begin the ground work for Levels and Doodads to embed files inside their data via the level.FileSystem type. - UI: Labels can now contain line break characters. It will appropriately render multiple lines of render.Text and take into account the proper BoxSize to contain them all. - Add environment variable DOODLE_DEBUG_ALL=true that will turn on ALL debug overlay and visualization options. - Add debug overlay to "tag" each Canvas widget with some of its details, like its Name and World Position. Can be enabled with the environment variable DEBUG_CANVAS_LABEL=true - Improved the FPS debug overlay to show in labeled columns and multiple colors, with easy ability to add new data points to it.
2018-10-19 20:31:58 +00:00
* `DOODLE_DEBUG_ALL=false`: turn on all debug colors and hitboxes to their
default colors and settings.
Tune Some Constants via Environment Variables Some of the constants in the `balance` package can be set at startup time via environment variables. With this, you can customize the color and style of the developer shell, turn on debugging visuals to outline Canvas widgets, and more. The parser is at `balance/debug.go` and human readable descriptions are in the `balance/README.md`
2018-10-19 16:55:41 +00:00
* `DEBUG_CHUNK_COLOR=#FFFFFF`: background color when caching a
chunk to bitmap. Helps visualize where the chunks and caching
are happening.
* `DEBUG_CANVAS_BORDER`: draw a border color around every uix.Canvas
widget. This effectively draws the bounds of every Doodad drawn on top
of a level or inside a button and the bounds of the level space itself.
Draw Actors Embedded in Levels in Edit Mode Add the JSON format for embedding Actors (Doodad instances) inside of a Level. I made a test map that manually inserted a couple of actors. Actors are given to the Canvas responsible for the Level via the function `InstallActors()`. So it means you'll call LoadLevel and then InstallActors to hook everything up. The Canvas creates sub-Canvas widgets from each Actor. After drawing the main level geometry from the Canvas.Chunker, it calls the drawActors() function which does the same but for Actors. Levels keep a global map of all Actors that exist. For any Actors that are visible within the Viewport, their sub-Canvas widgets are presented appropriately on top of the parent Canvas. In case their sub-Canvas overlaps the parent's boundaries, their sub-Canvas is resized and moved appropriately. - Allow the MainWindow to be resized at run time, and the UI recalculates its sizing and position. - Made the in-game Shell properties editable via environment variables. The kirsle.env file sets a blue and pink color scheme. - Begin the ground work for Levels and Doodads to embed files inside their data via the level.FileSystem type. - UI: Labels can now contain line break characters. It will appropriately render multiple lines of render.Text and take into account the proper BoxSize to contain them all. - Add environment variable DOODLE_DEBUG_ALL=true that will turn on ALL debug overlay and visualization options. - Add debug overlay to "tag" each Canvas widget with some of its details, like its Name and World Position. Can be enabled with the environment variable DEBUG_CANVAS_LABEL=true - Improved the FPS debug overlay to show in labeled columns and multiple colors, with easy ability to add new data points to it.
2018-10-19 20:31:58 +00:00
* `DEBUG_CANVAS_LABEL=false`: draw a label in the corner of every Canvas
with details about the Canvas.
Tune Some Constants via Environment Variables Some of the constants in the `balance` package can be set at startup time via environment variables. With this, you can customize the color and style of the developer shell, turn on debugging visuals to outline Canvas widgets, and more. The parser is at `balance/debug.go` and human readable descriptions are in the `balance/README.md`
2018-10-19 16:55:41 +00:00
* Tuning constants (may not be available in production builds):
* `D_SCROLL_SPEED=8`: Canvas scroll speed when using the keyboard arrows
in the Editor Mode, in pixels per tick.
* `D_DOODAD_SIZE=100`: Default size when creating a new Doodad.
Wallpapers and Bounded Levels Implement the Wallpaper system into the levels and the concept of Bounded and Unbounded levels. The first wallpaper image is notepad.png which looks like standard ruled notebook paper. On bounded levels, the top/left edges of the page look as you would expect and the blue lines tile indefinitely in the positive directions. On unbounded levels, you only get the repeating blue lines but not the edge pieces. A wallpaper is just a rectangular image file. The image is divided into four equal quadrants to be the Corner, Top, Left and Repeat textures for the wallpaper. The Repeat texture is ALWAYS used and fills all the empty space behind the drawing. (Doodads draw with blank canvases as before because only levels have wallpapers!) Levels have four options of a "Page Type": - Unbounded (default, infinite space) - NoNegativeSpace (has a top left edge but can grow infinitely) - Bounded (has a top left edge and bounded size) - Bordered (bounded with bordered texture; NOT IMPLEMENTED!) The scrollable viewport of a Canvas will respect the wallpaper and page type settings of a Level loaded into it. That is, if the level has a top left edge (not Unbounded) you can NOT scroll to see negative coordinates below (0,0) -- and if the level has a max dimension set, you can't scroll to see pixels outside those dimensions. The Canvas property NoLimitScroll=true will override the scroll locking and let you see outside the bounds, for debugging. - Default map settings for New Level are now: - Page Type: NoNegativeSpace - Wallpaper: notepad.png (default) - MaxWidth: 2550 (8.5" * 300 ppi) - MaxHeight: 3300 ( 11" * 300 ppi)
2018-10-28 05:22:13 +00:00
Development booleans for unit tests (set to any non-empty value):
* `T_WALLPAPER_PNG` for pkg/wallpaper to output PNG images.
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