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We got decent text rendering in world now!

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This commit is contained in:
Edward R. Gonzalez
2024-02-13 18:50:22 -05:00
parent 5c124521dc
commit 04c8f84e7d
6 changed files with 64 additions and 31 deletions
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42
code/font_provider.odin
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@ -11,7 +11,8 @@ import rl "vendor:raylib"
Font_Arena_Size :: 32 * Megabyte
Font_Largest_Px_Size :: 96
Font_Default :: ""
// Font_Default :: ""
Font_Default :: 0
Font_Default_Point_Size :: 18.0
Font_TTF_Default_Chars_Padding :: 4
@ -28,7 +29,8 @@ Font_Atlas_Packing_Method :: enum u32 {
Font :: rl.Font
// TODO(Ed) : Use this instead of the raylib font directly
FontID :: distinct string
// FontID :: distinct string
FontID :: distinct i32
FontTag :: struct {
key : FontID,
point_size : f32
@ -52,7 +54,11 @@ FontDef :: struct {
FontProviderData :: struct {
font_arena : Arena,
font_cache : ^ map [FontID] FontDef,
//TODO(Ed) : There is an issue with hot-reload and map allocations that I can't figure out right now..
// font_cache : map [FontID](FontDef),
font_cache : [10] FontDef,
open_id : i32
}
font_provider_startup :: proc()
@ -65,7 +71,9 @@ font_provider_startup :: proc()
arena_init( & font_arena, data )
font_cache = new( type_of(font_cache ^), arena_allocator( & font_arena) )
// font_cache = new( map[FontID](FontDef), arena_allocator( & font_arena ) )
// font_cache = make_map( map[FontID](FontDef), capacity = 10, allocator = arena_allocator( & font_arena ) )
open_id = 0
log("font_cache created")
log("font_provider initialized")
}
@ -74,8 +82,9 @@ font_provider_shutdown :: proc()
{
font_provider_data := & get_state().font_provider_data; using font_provider_data
for key, & value in font_cache {
for & px_render in value.size_table {
// for key, & def in font_cache {
for & def in font_cache {
for & px_render in def.size_table {
using px_render
rl.UnloadFontData( glyphs, count )
rl.UnloadTexture ( texture )
@ -86,7 +95,7 @@ font_provider_shutdown :: proc()
font_load :: proc ( path_file : string,
default_size : f32 = Font_Load_Use_Default_Size,
desired_id : FontID = Font_Load_Gen_ID
desired_id : string = Font_Load_Gen_ID
) -> FontID
{
font_provider_data := & get_state().font_provider_data; using font_provider_data
@ -100,7 +109,8 @@ font_load :: proc ( path_file : string,
if len(desired_id) == 0 {
// NOTE(Ed): This should never be used except for laziness so I'll be throwing a warning everytime.
log("desired_key not provided, using file name. Give it a proper name!")
desired_id = cast(FontID) file_name_from_path(path_file)
// desired_id = cast(FontID) file_name_from_path(path_file)
desired_id = file_name_from_path(path_file)
}
default_size := default_size
@ -108,8 +118,10 @@ font_load :: proc ( path_file : string,
default_size = Font_Default_Point_Size
}
font_cache[desired_id] = {}
def := & font_cache[desired_id];
// font_cache[desired_id] = {}
// def := & font_cache[desired_id];
def := & font_cache[open_id]
open_id += 1
def.path_file = path_file
def.data = font_data
def.default_size = i32(points_to_pixels(default_size))
@ -132,7 +144,6 @@ font_load :: proc ( path_file : string,
atlas := rl.GenImageFontAtlas( glyphs, & recs, count, size, padding, i32(Font_Atlas_Packing_Method.Raylib_Basic) )
texture = rl.LoadTextureFromImage( atlas )
rl.SetTextureFilter( texture, rl.TextureFilter.POINT )
// glyphs_slice := slice_ptr( glyphs, count )
// for glyph in glyphs_slice {
@ -148,7 +159,8 @@ font_load :: proc ( path_file : string,
rl.UnloadImage( atlas )
}
return desired_id
// return desired_id
return cast(FontID) open_id - 1
}
Font_Use_Default_Size :: f32(0.0)
@ -156,13 +168,13 @@ Font_Use_Default_Size :: f32(0.0)
to_rl_Font :: proc ( id : FontID, size := Font_Use_Default_Size ) -> rl.Font {
font_provider_data := & get_state().font_provider_data; using font_provider_data
size := clamp( i32(math.round(size)), 12, Font_Largest_Px_Size )
verify( size > Font_Largest_Px_Size, "attempt to get a font larger than the largest loaded pixel size" )
size := clamp( i32( math.round(size * 0.5) * 2.0), 8, Font_Largest_Px_Size )
def := & font_cache[id]
size = size if size != i32(Font_Use_Default_Size) else def.default_size
px_render := & def.size_table[ size - 1 ]
rl.SetTextureFilter( px_render.texture, rl.TextureFilter.TRILINEAR )
rl_font : rl.Font
rl_font.baseSize = px_render.size
rl_font.charsCount = px_render.count