115 lines
2.9 KiB
Go
115 lines
2.9 KiB
Go
package balance
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import (
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"os"
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"strconv"
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"strings"
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"git.kirsle.net/apps/doodle/lib/render"
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)
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// Debug related variables that can toggle on or off certain features and
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// overlays within the game.
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var (
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/***************
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* Visualizers *
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***************/
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// Debug overlay (FPS etc.) settings.
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DebugFontFilename = "./fonts/DejaVuSans-Bold.ttf"
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DebugFontSize = 16
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DebugLabelColor = render.MustHexColor("#FF9900")
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DebugValueColor = render.MustHexColor("#00CCFF")
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DebugStrokeDarken = 80
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// Background color to use when exporting a drawing Chunk as a bitmap image
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// on disk. Default is white. Setting this to translucent yellow is a great
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// way to visualize the chunks loaded from cache on your screen.
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DebugChunkBitmapBackground = render.White // XXX: export $DEBUG_CHUNK_COLOR
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// Put a border around all Canvas widgets.
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DebugCanvasBorder = render.Invisible
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DebugCanvasLabel = false // Tag the canvas with a label.
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// Pretty-print JSON files when writing.
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JSONIndent = false
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)
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func init() {
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// Load values from environment variables.
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var config = map[string]interface{}{
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// Window size.
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"DOODLE_W": &Width,
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"DOODLE_H": &Height,
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// Tune some parameters. XXX: maybe dangerous at some point.
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"D_SCROLL_SPEED": &CanvasScrollSpeed,
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"D_DOODAD_SIZE": &DoodadSize,
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// Shell settings.
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"D_SHELL_BG": &ShellBackgroundColor,
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"D_SHELL_FG": &ShellForegroundColor,
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"D_SHELL_PC": &ShellPromptColor,
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"D_SHELL_LN": &ShellHistoryLineCount,
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"D_SHELL_FS": &ShellFontSize,
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// Visualizers
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"DEBUG_CHUNK_COLOR": &DebugChunkBitmapBackground,
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"DEBUG_CANVAS_BORDER": &DebugCanvasBorder,
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"DEBUG_CANVAS_LABEL": &DebugCanvasLabel,
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}
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for name, value := range config {
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switch v := value.(type) {
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case *int:
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*v = IntEnv(name, *(v))
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case *bool:
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*v = BoolEnv(name, *(v))
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case *int32:
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*v = int32(IntEnv(name, int(*(v))))
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case *render.Color:
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*v = ColorEnv(name, *(v))
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}
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}
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// Debug all?
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if BoolEnv("DOODLE_DEBUG_ALL", false) {
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DebugChunkBitmapBackground = render.RGBA(255, 255, 0, 128)
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DebugCanvasBorder = render.Red
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DebugCanvasLabel = true
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}
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}
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// ColorEnv gets a color value from environment variable or returns a default.
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// This will panic if the color is not valid, so only do this on startup time.
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func ColorEnv(name string, v render.Color) render.Color {
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if color := os.Getenv(name); color != "" {
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return render.MustHexColor(color)
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}
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return v
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}
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// IntEnv gets an int value from environment variable or returns a default.
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func IntEnv(name string, v int) int {
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if env := os.Getenv(name); env != "" {
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a, err := strconv.Atoi(env)
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if err != nil {
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panic(err)
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}
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return a
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}
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return v
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}
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// BoolEnv gets a bool from the environment with a default.
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func BoolEnv(name string, v bool) bool {
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if env := os.Getenv(name); env != "" {
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switch strings.ToLower(env) {
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case "true", "t", "1", "on", "yes", "y":
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return true
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case "false", "f", "0", "off", "no", "n":
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return false
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}
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}
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return v
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}
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