Leahnaya/Poke_Transporter_GB
1
0
Fork 0
mirror of https://github.com/GearsProgress/Poke_Transporter_GB.git synced 2026-08-22 16:55:10 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

Speeding things up!

Browse Source
This commit is contained in:
GearsProgress
2026-04-19 14:42:44 -04:00
parent 3c26aec186
commit f76604820d
6 changed files with 121 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
source/text_engine.cpp
View File

@@ -341,7 +341,7 @@ int ptgb_write(const byte *text, bool instant, int length, int box_type)
tc->drawgProc(0x79);
}
wait_for_user_to_continue();
scroll_text(instant, tc, left, top, right, bottom);
scroll_text(instant, tc, true, left, top, right, bottom);
break;
case 0xFB:
if (g_debug_options.display_control_char)
@@ -427,7 +427,7 @@ int ptgb_write_debug(const u16 *charset, const char *text, bool instant)
u16 utf16_char;
// we need to use this conversion function in order to convert char values >= 0x80
// correctly to UTF-16 (which is used by the charset)
convert_utf8_to_utf16_char((const u8*)(text + i), utf16_char);
convert_utf8_to_utf16_char((const u8 *)(text + i), utf16_char);
// WARNING: the conversion of the text characters from u8 to u16 done here, is incorrect
// for every character value >= 0x80. The character set uses UTF-16 to represent characters.
// But the input text is in UTF-8.
@@ -458,29 +458,42 @@ void wait_for_user_to_continue()
}
}
void scroll_text(bool instant, TTC *tc, int left, int top, int right, int bottom)
void scroll_text(bool instant, TTC *tc, bool scrollUp, int left, int top, int right, int bottom)
{
int direction = scrollUp ? 1 : -1;
for (int i = 1; i <= tc->font->charH; i++)
{
REG_BG3VOFS = i;
tte_erase_rect(left, top - tc->font->charH, right, top + i);
if (!instant)
REG_BG3VOFS = i * direction;
tte_erase_rect(left, top - tc->font->charH, right, top + (i * direction));
if (!instant) // This is somewhat of a silly way to do this - can be optimized
{
VBlankIntrWait();
}
}
REG_BG3VOFS = 0;
// The map starts at tile 0 in the top left, increases by 1 as you go down, and then loops back at the top.
for (int i = 0; i < 30; i++)
if (scrollUp)
{
tonccpy(&tile_mem[TEXT_CBB][0 + (i * 20)], &tile_mem[TEXT_CBB][2 + (i * 20)], 20 * 32);
for (int i = 0; i < 30; i++)
{
tonccpy(&tile_mem[TEXT_CBB][0 + (i * 20)], &tile_mem[TEXT_CBB][2 + (i * 20)], 20 * 32);
}
}
else
{
for (int i = 29; i >= 0; i--)
{
// Due to the order of tonccpy, we need to store the data in a temporary buffer
byte buffer[20 * 32];
tonccpy(&buffer, &tile_mem[TEXT_CBB][0 + (i * 20)], 20 * 32);
tonccpy(&tile_mem[TEXT_CBB][2 + (i * 20)], &buffer, 20 * 32);
}
}
// Remove text that went outside of the box and set the position
tte_erase_rect(left, top - tc->font->charH, right, top);
tte_set_pos(left, bottom - (8 + (2 * tc->font->charH))); // The newline will trigger after this and move it down a line
tte_erase_rect(left, scrollUp ? (top - tc->font->charH) : bottom, right, scrollUp ? top : (bottom + tc->font->charH));
tc->cursorY = bottom - tc->font->charH;
tc->cursorY = (scrollUp ? bottom - tc->font->charH : top); // The newline will trigger after this and move it down a line
tc->cursorX = left;
}