1
0
mirror of https://github.com/OpenRCT2/OpenRCT2 synced 2026-01-17 20:13:07 +01:00
Files
OpenRCT2/src/openrct2/interface/chat.c
2017-06-29 15:54:21 -06:00

308 lines
9.9 KiB
C

#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
/*****************************************************************************
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
* For more information, visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* A full copy of the GNU General Public License can be found in licence.txt
*****************************************************************************/
#pragma endregion
#include "../audio/audio.h"
#include "../audio/AudioMixer.h"
#include "../Context.h"
#include "../interface/themes.h"
#include "../localisation/localisation.h"
#include "../network/network.h"
#include "../platform/platform.h"
#include "../rct2.h"
#include "../util/util.h"
#include "chat.h"
bool gChatOpen = false;
static char _chatCurrentLine[CHAT_MAX_MESSAGE_LENGTH];
static char _chatHistory[CHAT_HISTORY_SIZE][CHAT_INPUT_SIZE];
static uint32 _chatHistoryTime[CHAT_HISTORY_SIZE];
static uint32 _chatHistoryIndex = 0;
static uint32 _chatCaretTicks = 0;
static sint32 _chatLeft;
static sint32 _chatTop;
static sint32 _chatRight;
static sint32 _chatBottom;
static sint32 _chatWidth;
static sint32 _chatHeight;
static TextInputSession * _chatTextInputSession;
static const char* chat_history_get(uint32 index);
static uint32 chat_history_get_time(uint32 index);
static void chat_clear_input();
void chat_open()
{
gChatOpen = true;
_chatTextInputSession = context_start_text_input(_chatCurrentLine, sizeof(_chatCurrentLine));
}
void chat_close()
{
gChatOpen = false;
context_stop_text_input();
}
void chat_toggle()
{
if (gChatOpen) {
chat_close();
} else {
chat_open();
}
}
void chat_init()
{
memset(_chatHistory, 0, sizeof(_chatHistory));
memset(_chatHistoryTime, 0, sizeof(_chatHistoryTime));
}
void chat_update()
{
// Flash the caret
_chatCaretTicks = (_chatCaretTicks + 1) % 30;
}
void chat_draw(rct_drawpixelinfo * dpi)
{
if (network_get_mode() == NETWORK_MODE_NONE || network_get_status() != NETWORK_STATUS_CONNECTED || network_get_authstatus() != NETWORK_AUTH_OK) {
gChatOpen = false;
return;
}
_chatLeft = 10;
_chatRight = min((context_get_width() - 10), CHAT_MAX_WINDOW_WIDTH);
_chatWidth = _chatRight - _chatLeft;
_chatBottom = context_get_height() - 45;
_chatTop = _chatBottom - 10;
char lineBuffer[CHAT_INPUT_SIZE + 10];
char* lineCh = lineBuffer;
char* inputLine = _chatCurrentLine;
sint32 inputLineHeight = 10;
uint8 chatBackgroundColor = theme_get_colour(WC_CHAT, 0);
// Draw chat window
if (gChatOpen) {
inputLineHeight = chat_string_wrapped_get_height((void*)&inputLine, _chatWidth - 10);
_chatTop -= inputLineHeight;
for (sint32 i = 0; i < CHAT_HISTORY_SIZE; i++) {
if (strlen(chat_history_get(i)) == 0) {
continue;
}
safe_strcpy(lineBuffer, chat_history_get(i), sizeof(lineBuffer));
sint32 lineHeight = chat_string_wrapped_get_height((void*)&lineCh, _chatWidth - 10);
_chatTop -= (lineHeight + 5);
}
_chatHeight = _chatBottom - _chatTop;
if (_chatTop < 50) {
_chatTop = 50;
} else if (_chatHeight < 150) { // Min height
_chatTop = _chatBottom - 150;
_chatHeight = 150;
}
gfx_set_dirty_blocks(_chatLeft, _chatTop - 5, _chatRight, _chatBottom + 5); // Background area + Textbox
gfx_filter_rect(dpi, _chatLeft, _chatTop - 5, _chatRight, _chatBottom + 5, PALETTE_51); // Opaque gray background
gfx_fill_rect_inset(dpi, _chatLeft, _chatTop - 5, _chatRight, _chatBottom + 5, chatBackgroundColor, INSET_RECT_FLAG_FILL_NONE);
gfx_fill_rect_inset(dpi, _chatLeft + 1, _chatTop - 4, _chatRight - 1, _chatBottom - inputLineHeight - 6, chatBackgroundColor, INSET_RECT_FLAG_BORDER_INSET);
gfx_fill_rect_inset(dpi, _chatLeft + 1, _chatBottom - inputLineHeight - 5, _chatRight - 1, _chatBottom + 4, chatBackgroundColor, INSET_RECT_FLAG_BORDER_INSET); // Textbox
}
sint32 x = _chatLeft + 5;
sint32 y = _chatBottom - inputLineHeight - 20;
sint32 stringHeight = 0;
// Draw chat history
for (sint32 i = 0; i < CHAT_HISTORY_SIZE; i++, y -= stringHeight) {
uint32 expireTime = chat_history_get_time(i) + 10000;
if (!gChatOpen && platform_get_ticks() > expireTime) {
break;
}
safe_strcpy(lineBuffer, chat_history_get(i), sizeof(lineBuffer));
stringHeight = chat_history_draw_string(dpi, (void*) &lineCh, x, y, _chatWidth - 10) + 5;
gfx_set_dirty_blocks(x, y - stringHeight, x + _chatWidth, y + 20);
if ((y - stringHeight) < 50) {
break;
}
}
// Draw current chat input
if (gChatOpen) {
lineCh = utf8_write_codepoint(lineCh, FORMAT_OUTLINE);
lineCh = utf8_write_codepoint(lineCh, FORMAT_CELADON);
safe_strcpy(lineCh, _chatCurrentLine, sizeof(_chatCurrentLine));
y = _chatBottom - inputLineHeight - 5;
lineCh = lineBuffer;
inputLineHeight = gfx_draw_string_left_wrapped(dpi, (void*)&lineCh, x, y + 3, _chatWidth - 10, STR_STRING, TEXT_COLOUR_255);
gfx_set_dirty_blocks(x, y, x + _chatWidth, y + inputLineHeight + 15);
// TODO: Show caret if the input text has multiple lines
if (_chatCaretTicks < 15 && gfx_get_string_width(lineBuffer) < (_chatWidth - 10)) {
memcpy(lineBuffer, _chatCurrentLine, _chatTextInputSession->SelectionStart);
lineBuffer[_chatTextInputSession->SelectionStart] = 0;
sint32 caretX = x + gfx_get_string_width(lineBuffer);
sint32 caretY = y + 14;
gfx_fill_rect(dpi, caretX, caretY, caretX + 6, caretY + 1, PALETTE_INDEX_56);
}
}
}
void chat_history_add(const char * src)
{
size_t bufferSize = strlen(src) + 64;
utf8 * buffer = (utf8 *)calloc(1, bufferSize);
// Find the start of the text (after format codes)
const char * ch = src;
const char * nextCh;
uint32 codepoint;
while ((codepoint = utf8_get_next(ch, &nextCh)) != 0) {
if (!utf8_is_format_code(codepoint)) {
break;
}
ch = nextCh;
}
const char * srcText = ch;
// Copy format codes to buffer
memcpy(buffer, src, min(bufferSize, (size_t)(srcText - src)));
// Prepend a timestamp
time_t timer;
time(&timer);
struct tm * tmInfo = localtime(&timer);
strcatftime(buffer, bufferSize, "[%H:%M] ", tmInfo);
safe_strcat(buffer, srcText, bufferSize);
// Add to history list
sint32 index = _chatHistoryIndex % CHAT_HISTORY_SIZE;
memset(_chatHistory[index], 0, CHAT_INPUT_SIZE);
memcpy(_chatHistory[index], buffer, min(strlen(buffer), CHAT_INPUT_SIZE - 1));
_chatHistoryTime[index] = platform_get_ticks();
_chatHistoryIndex++;
// Log to file (src only as logging does its own timestamp)
network_append_chat_log(src);
free(buffer);
Mixer_Play_Effect(SOUND_NEWS_ITEM, 0, MIXER_VOLUME_MAX, 0.5f, 1.5f, true);
}
void chat_input(CHAT_INPUT input)
{
switch (input) {
case CHAT_INPUT_SEND:
if (strlen(_chatCurrentLine) > 0) {
network_send_chat(_chatCurrentLine);
}
chat_clear_input();
chat_close();
break;
case CHAT_INPUT_CLOSE:
chat_close();
break;
default:
break;
}
}
static const char* chat_history_get(uint32 index)
{
return _chatHistory[(_chatHistoryIndex + CHAT_HISTORY_SIZE - index - 1) % CHAT_HISTORY_SIZE];
}
static uint32 chat_history_get_time(uint32 index)
{
return _chatHistoryTime[(_chatHistoryIndex + CHAT_HISTORY_SIZE - index - 1) % CHAT_HISTORY_SIZE];
}
static void chat_clear_input()
{
_chatCurrentLine[0] = 0;
}
// This method is the same as gfx_draw_string_left_wrapped.
// But this adjusts the initial Y coordinate depending of the number of lines.
sint32 chat_history_draw_string(rct_drawpixelinfo *dpi, void *args, sint32 x, sint32 y, sint32 width)
{
sint32 fontSpriteBase, lineHeight, lineY, numLines;
gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
gfx_draw_string(dpi, "", TEXT_COLOUR_255, dpi->x, dpi->y);
char *buffer = gCommonStringFormatBuffer;
format_string(buffer, 256, STR_STRING, args);
gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
gfx_wrap_string(buffer, width, &numLines, &fontSpriteBase);
lineHeight = font_get_line_height(fontSpriteBase);
gCurrentFontFlags = 0;
sint32 expectedY = y - (numLines * lineHeight);
if (expectedY < 50) {
return (numLines * lineHeight); // Skip drawing, return total height.
}
lineY = y;
for (sint32 line = 0; line <= numLines; ++line) {
gfx_draw_string(dpi, buffer, TEXT_COLOUR_254, x, lineY - (numLines * lineHeight));
buffer = get_string_end(buffer) + 1;
lineY += lineHeight;
}
return lineY - y;
}
// Wrap string without drawing, useful to get the height of a wrapped string.
// Almost the same as gfx_draw_string_left_wrapped
sint32 chat_string_wrapped_get_height(void *args, sint32 width)
{
sint32 fontSpriteBase, lineHeight, lineY, numLines;
gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
char *buffer = gCommonStringFormatBuffer;
format_string(buffer, 256, STR_STRING, args);
gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
gfx_wrap_string(buffer, width, &numLines, &fontSpriteBase);
lineHeight = font_get_line_height(fontSpriteBase);
gCurrentFontFlags = 0;
lineY = 0;
for (sint32 line = 0; line <= numLines; ++line) {
buffer = get_string_end(buffer) + 1;
lineY += lineHeight;
}
return lineY;
}