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#include "CustomMessage.h"
#include "2s2h/GameInteractor/GameInteractor.h"
extern "C" {
#include "variables.h"
extern f32 sNESFontWidths[160];
}
CustomMessage::Entry activeCustomMessage;
std::string CustomMessage::RemoveColorCodes(const std::string& input) {
std::string output = input;
const std::vector<std::string> codes = { "%r", "%w", "%y", "%g", "%b", "%p" };
for (const auto& code : codes) {
size_t pos = 0;
while ((pos = output.find(code, pos)) != std::string::npos) {
output.erase(pos, code.length());
}
}
return output;
}
void CustomMessage::StartTextbox(std::string msg, CustomMessage::Entry options) {
options.msg = msg;
activeCustomMessage = options;
Message_StartTextbox(gPlayState, CUSTOM_MESSAGE_ID, &GET_PLAYER(gPlayState)->actor);
}
void CustomMessage::SetActiveCustomMessage(std::string msg, CustomMessage::Entry options) {
options.msg = msg;
activeCustomMessage = options;
}
void CustomMessage::Replace(std::string* msg, const std::string& placeholder, const std::string& value) {
size_t pos = 0;
while ((pos = msg->find(placeholder, pos)) != std::string::npos) {
msg->replace(pos, placeholder.length(), value);
pos += value.length();
}
}
void CustomMessage::ReplaceColorChars(std::string* msg) {
std::string white = "\x00";
white += '\x00';
CustomMessage::Replace(msg, "%r", "\x01");
CustomMessage::Replace(msg, "%w", white);
CustomMessage::Replace(msg, "%y", "\x04");
CustomMessage::Replace(msg, "%g", "\x02");
CustomMessage::Replace(msg, "%b", "\x03");
CustomMessage::Replace(msg, "%p", "\x06");
}
void CustomMessage::AddLineBreaks(std::string* msg) {
const float MAX_TEXTBOX_WIDTH = 300.0f;
const int MAX_LINES_PER_PAGE = 4;
float currentLineWidth = 0.0f;
int currentLineCount = 0;
size_t lastSpaceIndex = std::string::npos;
for (size_t i = 0; i < msg->size(); ++i) {
char currentChar = (*msg)[i];
// Handle existing newlines
if (currentChar == 0x11) {
currentLineWidth = 0.0f;
lastSpaceIndex = std::string::npos;
++currentLineCount;
continue;
}
// Handle existing box breaks
if (currentChar == 0x10) {
currentLineWidth = 0.0f;
lastSpaceIndex = std::string::npos;
currentLineCount = 0;
continue;
}
// Track spaces for word wrapping
if (currentChar == ' ') {
lastSpaceIndex = i;
}
// Calculate width for printable characters
float charWidth = 0.0f;
if ((uint8_t)currentChar >= 0x20 && (uint8_t)currentChar < 0x20 + ARRAY_COUNTU(sNESFontWidths)) {
charWidth = sNESFontWidths[(uint8_t)currentChar - 0x20];
}
// Check if adding this character would exceed width
if (currentLineWidth + charWidth > MAX_TEXTBOX_WIDTH) {
if (lastSpaceIndex != std::string::npos) {
// Break at the last space
(*msg)[lastSpaceIndex] = 0x11;
// Recalculate width from after the space to current position
currentLineWidth = 0.0f;
for (size_t j = lastSpaceIndex + 1; j < i; ++j) {
char c = (*msg)[j];
if ((uint8_t)c >= 0x20 && (uint8_t)c < 0x20 + ARRAY_COUNTU(sNESFontWidths)) {
currentLineWidth += sNESFontWidths[(uint8_t)c - 0x20];
}
}
// Add current character's width
currentLineWidth += charWidth;
lastSpaceIndex = std::string::npos;
} else {
// No space found, force break before current character
msg->insert(i, 1, 0x11);
currentLineWidth = charWidth; // Current char is now first on new line
++i; // Skip the inserted newline character
}
++currentLineCount;
if (currentLineCount >= MAX_LINES_PER_PAGE) {
// Find the newline we just added and replace it with box break
size_t newlinePos = (lastSpaceIndex != std::string::npos) ? lastSpaceIndex : i - 1;
(*msg)[newlinePos] = 0x10;
currentLineCount = 0;
lastSpaceIndex = std::string::npos;
}
} else {
// Character fits on current line
currentLineWidth += charWidth;
}
}
}
// Ensure that the message ends with the message end character
void CustomMessage::EnsureMessageEnd(std::string* msg) {
if ((unsigned char)msg->back() != 0xBF) {
msg->push_back(0xBF);
}
}
CustomMessage::Entry CustomMessage::LoadVanillaMessageTableEntry(u16 textId) {
MessageContext* msgCtx = &gPlayState->msgCtx;
MessageTableEntry* msgEntry = msgCtx->messageTableNES;
while (msgEntry->textId != 0xFFFF) {
if (msgEntry->textId == textId) {
break;
}
msgEntry++;
}
CustomMessage::Entry entry;
entry.textboxType = msgEntry->segment[0];
entry.textboxYPos = msgEntry->segment[1];
entry.icon = msgEntry->segment[2];
entry.nextMessageID = (msgEntry->segment[3] << 8) | msgEntry->segment[4];
entry.firstItemCost = (msgEntry->segment[5] << 8) | msgEntry->segment[6];
entry.secondItemCost = (msgEntry->segment[7] << 8) | msgEntry->segment[8];
entry.msg = std::string(msgEntry->segment + MESSAGE_HEADER_SIZE, msgEntry->msgSize - MESSAGE_HEADER_SIZE);
return entry;
}
void CustomMessage::LoadCustomMessageIntoFont(CustomMessage::Entry entry) {
MessageContext* msgCtx = &gPlayState->msgCtx;
Font* font = &msgCtx->font;
char buff[1280] = { 0 };
// Copy message header
buff[0] = entry.textboxType;
buff[1] = entry.textboxYPos;
buff[2] = entry.icon;
buff[3] = (entry.nextMessageID & 0xFF00) >> 8;
buff[4] = (entry.nextMessageID & 0x00FF);
buff[5] = (entry.firstItemCost & 0xFF00) >> 8;
buff[6] = (entry.firstItemCost & 0x00FF);
buff[7] = (entry.secondItemCost & 0xFF00) >> 8;
buff[8] = (entry.secondItemCost & 0x00FF);
buff[9] = 0xFF;
buff[10] = 0xFF;
if (entry.autoFormat) {
CustomMessage::ReplaceColorChars(&entry.msg);
CustomMessage::Replace(&entry.msg, "\n", "\x11");
CustomMessage::AddLineBreaks(&entry.msg);
CustomMessage::EnsureMessageEnd(&entry.msg);
}
// If message is too long, truncate it and add the message end character
if (entry.msg.length() > BUFFER_SIZE - MESSAGE_HEADER_SIZE) {
entry.msg = entry.msg.substr(0, BUFFER_SIZE - MESSAGE_HEADER_SIZE - 1);
entry.msg += '\xBF';
}
memcpy(buff + MESSAGE_HEADER_SIZE, entry.msg.c_str(), entry.msg.length());
msgCtx->msgLength = entry.msg.length() + MESSAGE_HEADER_SIZE;
memcpy(&font->msgBuf, buff, msgCtx->msgLength);
}
void CustomMessage::RegisterHooks() {
GameInteractor::Instance->RegisterGameHookForID<GameInteractor::OnOpenText>(
CUSTOM_MESSAGE_ID, [](u16* textId, bool* loadFromMessageTable) {
*loadFromMessageTable = false;
CustomMessage::LoadCustomMessageIntoFont(activeCustomMessage);
});
}
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