mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-06-23 15:45:24 +00:00
53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
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package UI
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import (
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"github.com/essial/OpenDiablo2/Common"
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"github.com/essial/OpenDiablo2/Palettes"
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)
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var fontCache = map[string]*Font{}
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// FontSize represents the size of a character in a font
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type FontSize struct {
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Width uint8
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Height uint8
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}
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// Font represents a font
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type Font struct {
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FontSprite *Common.Sprite
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Metrics map[uint8]FontSize
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}
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// GetFont creates or loads an existing font
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func GetFont(font string, palette Palettes.Palette, fileProvider Common.FileProvider) *Font {
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cacheItem, exists := fontCache[font+"_"+string(palette)]
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if exists {
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return cacheItem
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}
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newFont := CreateFont(font, palette, fileProvider)
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fontCache[font+"_"+string(palette)] = newFont
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return newFont
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}
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// CreateFont creates an instance of a MPQ Font
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func CreateFont(font string, palette Palettes.Palette, fileProvider Common.FileProvider) *Font {
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result := &Font{
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Metrics: make(map[uint8]FontSize),
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}
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result.FontSprite = fileProvider.LoadSprite(font+".dc6", palette)
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woo := "Woo!\x01"
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fontData := fileProvider.LoadFile(font + ".tbl")
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if string(fontData[0:5]) != woo {
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panic("No woo :(")
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}
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for i := 12; i < len(fontData); i += 14 {
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fontSize := FontSize{
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Width: fontData[i+3],
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Height: fontData[i+4],
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}
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result.Metrics[fontData[i+8]] = fontSize
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}
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return result
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}
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