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refactor: cleanup UTF-16 digit parsing functionality

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This commit is contained in:
Tropical 2026-03-24 14:27:07 -05:00
parent 1fcd456c30
commit a29b6ad45d
2 changed files with 21 additions and 15 deletions
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15
Minecraft.Client/Platform/Common/UI/UIScene.cpp
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@ -1235,21 +1235,16 @@ std::size_t UIScene::GetCallbackUniqueId() {
bool UIScene::isReadyToDelete() { return true; }
int UIScene::parseSlotId(const char16_t* s) {
// must be nonnull, must start with 'slot_', first char after the underscore
// must be a digit
if (!s ||
(s[0] != u's' || s[1] != u'l' || s[2] != u'o' || s[3] != u't' ||
s[4] != u'_') ||
(s[5] < u'0' || s[5] > u'9')) {
if (s == nullptr ||
std::char_traits<char16_t>::compare(s, u"slot_", 5) != 0) {
return -1;
}
// keep consuming digits until we reach a non-digit. each digit scales the
// existing id value by 10 plus the actual digit value. (this is called a
// 'number' by the way)
int i = 5;
int id = 0;
// keep consuming digits until we reach a non-digit. each digit scales the
// existing id value by 10 plus the actual digit value. (this is referred to
// as a 'number' by the way)
while (s[i] >= u'0' && s[i] <= u'9') {
id = id * 10 + (s[i] - u'0');
i++;

21
Minecraft.Client/Platform/Common/UI/UIScene_SkinSelectMenu.cpp
View file

@ -595,11 +595,22 @@ void UIScene_SkinSelectMenu::InputActionOK(unsigned int iPad) {
}
void UIScene_SkinSelectMenu::customDraw(IggyCustomDrawCallbackRegion* region) {
// int characterId = -1;
// swscanf((wchar_t*)region->name,L"Character%d",&characterId);
// 4jcraft: fuck wchar_t
int characterId =region->name[9] - '0' < 0 ? -1 : region->name[9] - '0';
if (characterId == -1) {
// 4jcraft: fuck wchar_t
int characterId = -1;
if (region->name != nullptr &&
std::char_traits<char16_t>::length(region->name) > 9 &&
std::char_traits<char16_t>::compare(region->name, u"Character", 9) ==
0) {
int i = 9;
characterId = 0;
while (region->name[i] >= u'0' && region->name[i] <= u'9') {
characterId = characterId * 10 + (region->name[i] - u'0');
i++;
}
}
if (characterId == -1) {
app.DebugPrintf("Invalid character to render found\n");
} else {
// Setup GDraw, normal game render states and matrices