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Add name->idx hashmap in FontContainer

This makes find_font_by_name() not O(n). It's not really a big deal,
because there won't be many fonts, but it'd make a function in the next
commit (finding the given fallback font for each font by name) O(n^2).
It's easy enough to add the hashmap.
This commit is contained in:
Dav999-v 2023-02-20 23:53:48 +01:00 committed by Misa Elizabeth Kai
parent 6cf63359d3
commit 7a06b61f5d

View file

@ -14,6 +14,11 @@
#include "Vlogging.h" #include "Vlogging.h"
#include "XMLUtils.h" #include "XMLUtils.h"
extern "C"
{
#include <c-hashmap/map.h>
}
// Sigh... This is the second forward-declaration, we need to put this in a header file // Sigh... This is the second forward-declaration, we need to put this in a header file
SDL_Texture* LoadImage(const char *filename, const TextureLoadType loadtype); SDL_Texture* LoadImage(const char *filename, const TextureLoadType loadtype);
@ -52,6 +57,7 @@ struct FontContainer
{ {
uint8_t count; uint8_t count;
Font* fonts; Font* fonts;
hashmap* map_name_idx;
}; };
struct PrintFlags struct PrintFlags
@ -227,6 +233,12 @@ static uint8_t load_font(FontContainer* container, const char* name)
f->glyph_w = 8; f->glyph_w = 8;
f->glyph_h = 8; f->glyph_h = 8;
if (container->map_name_idx == NULL)
{
container->map_name_idx = hashmap_create();
}
hashmap_set(container->map_name_idx, f->name, SDL_strlen(f->name), f_idx);
bool white_teeth = false; bool white_teeth = false;
tinyxml2::XMLDocument doc; tinyxml2::XMLDocument doc;
@ -390,14 +402,17 @@ static uint8_t load_font(FontContainer* container, const char* name)
static bool find_font_by_name(FontContainer* container, const char* name, uint8_t* idx) static bool find_font_by_name(FontContainer* container, const char* name, uint8_t* idx)
{ {
// Returns true if font found (and idx is set), false if not found // Returns true if font found (and idx is set), false if not found
if (container->map_name_idx == NULL)
for (uint8_t i = 0; i < container->count; i++)
{ {
if (SDL_strcmp(name, container->fonts[i].name) == 0) // No fonts yet...
{ return false;
*idx = i; }
return true;
} uintptr_t i;
if (hashmap_get(container->map_name_idx, (char*) name, SDL_strlen(name), &i))
{
*idx = i;
return true;
} }
return false; return false;
} }
@ -563,6 +578,8 @@ void unload_font(Font* f)
void unload_font_container(FontContainer* container) void unload_font_container(FontContainer* container)
{ {
VVV_freefunc(hashmap_free, container->map_name_idx);
for (uint8_t i = 0; i < container->count; i++) for (uint8_t i = 0; i < container->count; i++)
{ {
unload_font(&container->fonts[i]); unload_font(&container->fonts[i]);