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spritefont uses a binary search instead of std::unordered_map

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Noel Berry
2022-02-11 15:18:10 -08:00
parent c13759f362
commit 51e80ec6a2
2 changed files with 124 additions and 51 deletions
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20
include/blah/graphics/spritefont.h
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@ -5,7 +5,6 @@
#include <blah/graphics/subtexture.h>
#include <blah/numerics/spatial.h>
#include <blah/filesystem.h>
#include <unordered_map>
namespace Blah
{
@ -42,11 +41,20 @@ namespace Blah
// Character Entry
struct Character
{
Codepoint codepoint = 0;
int glyph = 0;
Subtexture subtexture;
float advance = 0;
Vec2f offset;
};
struct Kerning
{
Codepoint a;
Codepoint b;
float value;
};
// SpriteFont name
String name;
@ -119,14 +127,8 @@ namespace Blah
const Character& operator[](Codepoint codepoint) const;
private:
// character set
std::unordered_map<Codepoint, Character> m_characters;
// kerning
// key is 2 codepoints combined ((first << 32) | second)
std::unordered_map<u64, float> m_kerning;
// built texture
Vector<Character> m_characters;
Vector<Kerning> m_kerning;
Vector<TextureRef> m_atlas;
};
}