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#include "stdafx.h"
#include "ChatScreen.h"
#include "ClientConnection.h"
#include "Font.h"
#include "MultiplayerLocalPlayer.h"
#include "..\Minecraft.World\SharedConstants.h"
#include "..\Minecraft.World\StringHelpers.h"
#include "..\Minecraft.World\ChatPacket.h"
const wstring ChatScreen::allowedChars = SharedConstants::acceptableLetters;
vector<wstring> ChatScreen::s_chatHistory;
int ChatScreen::s_historyIndex = -1;
wstring ChatScreen::s_historyDraft;
bool ChatScreen::isAllowedChatChar(wchar_t c)
{
return c >= 0x20 && (c == L'\u00A7' || allowedChars.empty() || allowedChars.find(c) != wstring::npos);
}
ChatScreen::ChatScreen()
{
frame = 0;
cursorIndex = 0;
s_historyIndex = -1;
}
void ChatScreen::init()
{
Keyboard::enableRepeatEvents(true);
}
void ChatScreen::removed()
{
Keyboard::enableRepeatEvents(false);
}
void ChatScreen::tick()
{
frame++;
if (cursorIndex > static_cast<int>(message.length()))
cursorIndex = static_cast<int>(message.length());
}
void ChatScreen::handlePasteRequest()
{
wstring pasted = Screen::getClipboard();
for (size_t i = 0; i < pasted.length() && static_cast<int>(message.length()) < SharedConstants::maxChatLength; i++)
{
if (isAllowedChatChar(pasted[i]))
{
message.insert(cursorIndex, 1, pasted[i]);
cursorIndex++;
}
}
}
void ChatScreen::applyHistoryMessage()
{
message = s_historyIndex >= 0 ? s_chatHistory[s_historyIndex] : s_historyDraft;
cursorIndex = static_cast<int>(message.length());
}
void ChatScreen::handleHistoryUp()
{
if (s_chatHistory.empty()) return;
if (s_historyIndex == -1)
{
s_historyDraft = message;
s_historyIndex = static_cast<int>(s_chatHistory.size()) - 1;
}
else if (s_historyIndex > 0)
s_historyIndex--;
applyHistoryMessage();
}
void ChatScreen::handleHistoryDown()
{
if (s_chatHistory.empty()) return;
if (s_historyIndex < static_cast<int>(s_chatHistory.size()) - 1)
s_historyIndex++;
else
s_historyIndex = -1;
applyHistoryMessage();
}
void ChatScreen::keyPressed(wchar_t ch, int eventKey)
{
if (eventKey == Keyboard::KEY_ESCAPE)
{
minecraft->setScreen(nullptr);
return;
}
if (eventKey == Keyboard::KEY_RETURN)
{
wstring trim = trimString(message);
if (trim.length() > 0)
{
if (!minecraft->handleClientSideCommand(trim))
{
MultiplayerLocalPlayer* mplp = dynamic_cast<MultiplayerLocalPlayer*>(minecraft->player.get());
if (mplp && mplp->connection)
mplp->connection->send(shared_ptr<ChatPacket>(new ChatPacket(trim)));
}
if (s_chatHistory.empty() || s_chatHistory.back() != trim)
{
s_chatHistory.push_back(trim);
if (s_chatHistory.size() > CHAT_HISTORY_MAX)
s_chatHistory.erase(s_chatHistory.begin());
}
}
minecraft->setScreen(nullptr);
return;
}
if (eventKey == Keyboard::KEY_UP) { handleHistoryUp(); return; }
if (eventKey == Keyboard::KEY_DOWN) { handleHistoryDown(); return; }
if (eventKey == Keyboard::KEY_LEFT)
{
if (cursorIndex > 0)
cursorIndex--;
return;
}
if (eventKey == Keyboard::KEY_RIGHT)
{
if (cursorIndex < static_cast<int>(message.length()))
cursorIndex++;
return;
}
if (eventKey == Keyboard::KEY_BACK && cursorIndex > 0)
{
message.erase(cursorIndex - 1, 1);
cursorIndex--;
return;
}
if (isAllowedChatChar(ch) && static_cast<int>(message.length()) < SharedConstants::maxChatLength)
{
message.insert(cursorIndex, 1, ch);
cursorIndex++;
}
}
void ChatScreen::render(int xm, int ym, float a)
{
fill(2, height - 14, width - 2, height - 2, 0x80000000);
const wstring prefix = L"> ";
int x = 4;
drawString(font, prefix, x, height - 12, 0xe0e0e0);
x += font->width(prefix);
wstring beforeCursor = message.substr(0, cursorIndex);
wstring afterCursor = message.substr(cursorIndex);
drawStringLiteral(font, beforeCursor, x, height - 12, 0xe0e0e0);
x += font->widthLiteral(beforeCursor);
if (frame / 6 % 2 == 0)
drawString(font, L"_", x, height - 12, 0xe0e0e0);
x += font->width(L"_");
drawStringLiteral(font, afterCursor, x, height - 12, 0xe0e0e0);
Screen::render(xm, ym, a);
}
void ChatScreen::mouseClicked(int x, int y, int buttonNum)
{
if (buttonNum == 0)
{
if (minecraft->gui->selectedName != L"") // 4J - was nullptr comparison
{
if (message.length() > 0 && message[message.length()-1]!=L' ')
{
message = message.substr(0, cursorIndex) + L" " + message.substr(cursorIndex);
cursorIndex++;
}
size_t nameLen = minecraft->gui->selectedName.length();
size_t insertLen = (message.length() + nameLen <= SharedConstants::maxChatLength) ? nameLen : (SharedConstants::maxChatLength - message.length());
if (insertLen > 0)
{
message = message.substr(0, cursorIndex) + minecraft->gui->selectedName.substr(0, insertLen) + message.substr(cursorIndex);
cursorIndex += static_cast<int>(insertLen);
}
}
else
{
Screen::mouseClicked(x, y, buttonNum);
}
}
}
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