mirror of
https://github.com/OpenRCT2/OpenRCT2
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336 lines
10 KiB
C++
336 lines
10 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2019 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include "Chat.h"
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#include "../Context.h"
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#include "../audio/AudioMixer.h"
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#include "../audio/audio.h"
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#include "../drawing/Drawing.h"
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#include "../localisation/Localisation.h"
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#include "../network/network.h"
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#include "../platform/platform.h"
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#include "../util/Util.h"
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#include <algorithm>
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bool gChatOpen = false;
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static char _chatCurrentLine[CHAT_MAX_MESSAGE_LENGTH];
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static char _chatHistory[CHAT_HISTORY_SIZE][CHAT_INPUT_SIZE];
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static uint32_t _chatHistoryTime[CHAT_HISTORY_SIZE];
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static uint32_t _chatHistoryIndex = 0;
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static uint32_t _chatCaretTicks = 0;
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static int32_t _chatLeft;
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static int32_t _chatTop;
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static int32_t _chatRight;
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static int32_t _chatBottom;
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static int32_t _chatWidth;
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static int32_t _chatHeight;
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static TextInputSession* _chatTextInputSession;
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static const char* chat_history_get(uint32_t index);
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static uint32_t chat_history_get_time(uint32_t index);
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static void chat_clear_input();
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bool chat_available()
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{
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return network_get_mode() != NETWORK_MODE_NONE && network_get_status() == NETWORK_STATUS_CONNECTED
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&& network_get_authstatus() == NETWORK_AUTH_OK;
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}
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void chat_open()
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{
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gChatOpen = true;
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_chatTextInputSession = context_start_text_input(_chatCurrentLine, sizeof(_chatCurrentLine));
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}
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void chat_close()
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{
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gChatOpen = false;
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context_stop_text_input();
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}
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void chat_toggle()
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{
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if (gChatOpen)
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{
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chat_close();
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}
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else
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{
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chat_open();
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}
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}
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void chat_init()
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{
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std::memset(_chatHistory, 0x00, sizeof(_chatHistory));
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std::memset(_chatHistoryTime, 0x00, sizeof(_chatHistoryTime));
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}
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void chat_update()
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{
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// Flash the caret
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_chatCaretTicks = (_chatCaretTicks + 1) % 30;
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}
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void chat_draw(rct_drawpixelinfo* dpi, uint8_t chatBackgroundColor)
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{
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if (!chat_available())
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{
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gChatOpen = false;
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return;
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}
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_chatLeft = 10;
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_chatRight = std::min((context_get_width() - 10), CHAT_MAX_WINDOW_WIDTH);
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_chatWidth = _chatRight - _chatLeft;
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_chatBottom = context_get_height() - 45;
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_chatTop = _chatBottom - 10;
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char lineBuffer[CHAT_INPUT_SIZE + 10];
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char* lineCh = lineBuffer;
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char* inputLine = _chatCurrentLine;
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int32_t inputLineHeight = 10;
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// Draw chat window
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if (gChatOpen)
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{
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inputLineHeight = chat_string_wrapped_get_height((void*)&inputLine, _chatWidth - 10);
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_chatTop -= inputLineHeight;
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for (int32_t i = 0; i < CHAT_HISTORY_SIZE; i++)
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{
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if (strlen(chat_history_get(i)) == 0)
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{
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continue;
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}
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safe_strcpy(lineBuffer, chat_history_get(i), sizeof(lineBuffer));
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int32_t lineHeight = chat_string_wrapped_get_height((void*)&lineCh, _chatWidth - 10);
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_chatTop -= (lineHeight + 5);
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}
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_chatHeight = _chatBottom - _chatTop;
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if (_chatTop < 50)
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{
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_chatTop = 50;
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}
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else if (_chatHeight < 150)
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{ // Min height
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_chatTop = _chatBottom - 150;
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_chatHeight = 150;
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}
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gfx_set_dirty_blocks(_chatLeft, _chatTop - 5, _chatRight, _chatBottom + 5); // Background area + Textbox
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gfx_filter_rect(dpi, _chatLeft, _chatTop - 5, _chatRight, _chatBottom + 5, PALETTE_51); // Opaque gray background
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gfx_fill_rect_inset(
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dpi, _chatLeft, _chatTop - 5, _chatRight, _chatBottom + 5, chatBackgroundColor, INSET_RECT_FLAG_FILL_NONE);
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gfx_fill_rect_inset(
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dpi, _chatLeft + 1, _chatTop - 4, _chatRight - 1, _chatBottom - inputLineHeight - 6, chatBackgroundColor,
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INSET_RECT_FLAG_BORDER_INSET);
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gfx_fill_rect_inset(
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dpi, _chatLeft + 1, _chatBottom - inputLineHeight - 5, _chatRight - 1, _chatBottom + 4, chatBackgroundColor,
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INSET_RECT_FLAG_BORDER_INSET); // Textbox
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}
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int32_t x = _chatLeft + 5;
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int32_t y = _chatBottom - inputLineHeight - 20;
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int32_t stringHeight = 0;
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// Draw chat history
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for (int32_t i = 0; i < CHAT_HISTORY_SIZE; i++, y -= stringHeight)
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{
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uint32_t expireTime = chat_history_get_time(i) + 10000;
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if (!gChatOpen && platform_get_ticks() > expireTime)
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{
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break;
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}
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safe_strcpy(lineBuffer, chat_history_get(i), sizeof(lineBuffer));
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stringHeight = chat_history_draw_string(dpi, (void*)&lineCh, ScreenCoordsXY(x, y), _chatWidth - 10) + 5;
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gfx_set_dirty_blocks(x, y - stringHeight, x + _chatWidth, y + 20);
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if ((y - stringHeight) < 50)
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{
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break;
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}
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}
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// Draw current chat input
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if (gChatOpen)
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{
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lineCh = utf8_write_codepoint(lineCh, FORMAT_OUTLINE);
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lineCh = utf8_write_codepoint(lineCh, FORMAT_CELADON);
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safe_strcpy(lineCh, _chatCurrentLine, sizeof(_chatCurrentLine));
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y = _chatBottom - inputLineHeight - 5;
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lineCh = lineBuffer;
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inputLineHeight = gfx_draw_string_left_wrapped(
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dpi, (void*)&lineCh, x, y + 3, _chatWidth - 10, STR_STRING, TEXT_COLOUR_255);
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gfx_set_dirty_blocks(x, y, x + _chatWidth, y + inputLineHeight + 15);
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// TODO: Show caret if the input text has multiple lines
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if (_chatCaretTicks < 15 && gfx_get_string_width(lineBuffer) < (_chatWidth - 10))
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{
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std::memcpy(lineBuffer, _chatCurrentLine, _chatTextInputSession->SelectionStart);
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lineBuffer[_chatTextInputSession->SelectionStart] = 0;
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int32_t caretX = x + gfx_get_string_width(lineBuffer);
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int32_t caretY = y + 14;
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gfx_fill_rect(dpi, caretX, caretY, caretX + 6, caretY + 1, PALETTE_INDEX_56);
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}
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}
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}
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void chat_history_add(const char* src)
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{
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size_t bufferSize = strlen(src) + 64;
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utf8* buffer = static_cast<utf8*>(calloc(1, bufferSize));
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// Find the start of the text (after format codes)
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const char* ch = src;
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const char* nextCh;
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uint32_t codepoint;
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while ((codepoint = utf8_get_next(ch, &nextCh)) != 0)
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{
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if (!utf8_is_format_code(codepoint))
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{
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break;
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}
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ch = nextCh;
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}
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const char* srcText = ch;
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// Copy format codes to buffer
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std::memcpy(buffer, src, std::min(bufferSize, static_cast<size_t>(srcText - src)));
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// Prepend a timestamp
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time_t timer;
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time(&timer);
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struct tm* tmInfo = localtime(&timer);
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strcatftime(buffer, bufferSize, "[%H:%M] ", tmInfo);
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safe_strcat(buffer, srcText, bufferSize);
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// Add to history list
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int32_t index = _chatHistoryIndex % CHAT_HISTORY_SIZE;
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std::fill_n(_chatHistory[index], CHAT_INPUT_SIZE, 0x00);
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std::memcpy(_chatHistory[index], buffer, std::min<size_t>(strlen(buffer), CHAT_INPUT_SIZE - 1));
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_chatHistoryTime[index] = platform_get_ticks();
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_chatHistoryIndex++;
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// Log to file (src only as logging does its own timestamp)
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network_append_chat_log(src);
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free(buffer);
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Mixer_Play_Effect(SoundId::NewsItem, 0, MIXER_VOLUME_MAX, 0.5f, 1.5f, true);
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}
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void chat_input(CHAT_INPUT input)
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{
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switch (input)
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{
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case CHAT_INPUT_SEND:
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if (strlen(_chatCurrentLine) > 0)
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{
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network_send_chat(_chatCurrentLine);
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}
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chat_clear_input();
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chat_close();
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break;
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case CHAT_INPUT_CLOSE:
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chat_close();
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break;
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default:
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break;
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}
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}
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static const char* chat_history_get(uint32_t index)
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{
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return _chatHistory[(_chatHistoryIndex + CHAT_HISTORY_SIZE - index - 1) % CHAT_HISTORY_SIZE];
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}
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static uint32_t chat_history_get_time(uint32_t index)
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{
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return _chatHistoryTime[(_chatHistoryIndex + CHAT_HISTORY_SIZE - index - 1) % CHAT_HISTORY_SIZE];
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}
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static void chat_clear_input()
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{
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_chatCurrentLine[0] = 0;
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}
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// This method is the same as gfx_draw_string_left_wrapped.
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// But this adjusts the initial Y coordinate depending of the number of lines.
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int32_t chat_history_draw_string(rct_drawpixelinfo* dpi, void* args, const ScreenCoordsXY& screenCoords, int32_t width)
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{
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int32_t fontSpriteBase, lineHeight, lineY, numLines;
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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gfx_draw_string(dpi, (char*)"", TEXT_COLOUR_255, dpi->x, dpi->y);
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char* buffer = gCommonStringFormatBuffer;
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format_string(buffer, 256, STR_STRING, args);
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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gfx_wrap_string(buffer, width, &numLines, &fontSpriteBase);
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lineHeight = font_get_line_height(fontSpriteBase);
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gCurrentFontFlags = 0;
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int32_t expectedY = screenCoords.y - (numLines * lineHeight);
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if (expectedY < 50)
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{
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return (numLines * lineHeight); // Skip drawing, return total height.
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}
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lineY = screenCoords.y;
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for (int32_t line = 0; line <= numLines; ++line)
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{
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gfx_draw_string(dpi, buffer, TEXT_COLOUR_254, screenCoords.x, lineY - (numLines * lineHeight));
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buffer = get_string_end(buffer) + 1;
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lineY += lineHeight;
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}
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return lineY - screenCoords.y;
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}
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// Wrap string without drawing, useful to get the height of a wrapped string.
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// Almost the same as gfx_draw_string_left_wrapped
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int32_t chat_string_wrapped_get_height(void* args, int32_t width)
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{
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int32_t fontSpriteBase, lineHeight, lineY, numLines;
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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char* buffer = gCommonStringFormatBuffer;
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format_string(buffer, 256, STR_STRING, args);
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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gfx_wrap_string(buffer, width, &numLines, &fontSpriteBase);
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lineHeight = font_get_line_height(fontSpriteBase);
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gCurrentFontFlags = 0;
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lineY = 0;
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for (int32_t line = 0; line <= numLines; ++line)
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{
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buffer = get_string_end(buffer) + 1;
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lineY += lineHeight;
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}
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return lineY;
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}
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