mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-21 01:08:25 +00:00
284 lines
8.6 KiB
C++
284 lines
8.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "kyra/kyra_v1.h"
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#include "kyra/screen.h"
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#include "kyra/text.h"
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#include "common/system.h"
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#include "common/endian.h"
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namespace Kyra {
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TextDisplayer::TextDisplayer(KyraEngine_v1 *vm, Screen *screen) {
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_screen = screen;
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_vm = vm;
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_talkCoords.y = 0x88;
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_talkCoords.x = 0;
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_talkCoords.w = 0;
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_talkMessageY = 0xC;
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_talkMessageH = 0;
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_talkMessagePrinted = false;
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}
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void TextDisplayer::setTalkCoords(uint16 y) {
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debugC(9, kDebugLevelMain, "TextDisplayer::setTalkCoords(%d)", y);
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_talkCoords.y = y;
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}
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int TextDisplayer::getCenterStringX(const char *str, int x1, int x2) {
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debugC(9, kDebugLevelMain, "TextDisplayer::getCenterStringX('%s', %d, %d)", str, x1, x2);
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_screen->_charWidth = -2;
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Screen::FontId curFont = _screen->setFont(Screen::FID_8_FNT);
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int strWidth = _screen->getTextWidth(str);
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_screen->setFont(curFont);
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_screen->_charWidth = 0;
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int w = x2 - x1 + 1;
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return x1 + (w - strWidth) / 2;
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}
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int TextDisplayer::getCharLength(const char *str, int len) {
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debugC(9, kDebugLevelMain, "TextDisplayer::getCharLength('%s', %d)", str, len);
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int charsCount = 0;
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if (*str) {
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_screen->_charWidth = -2;
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Screen::FontId curFont = _screen->setFont(Screen::FID_8_FNT);
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int i = 0;
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while (i <= len && *str) {
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uint c = *str++;
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c &= 0xFF;
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if (c >= 0x7F && _vm->gameFlags().lang == Common::JA_JPN) {
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c = READ_LE_UINT16(str - 1);
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++str;
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}
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i += _screen->getCharWidth(c);
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++charsCount;
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}
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_screen->setFont(curFont);
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_screen->_charWidth = 0;
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}
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return charsCount;
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}
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int TextDisplayer::dropCRIntoString(char *str, int offs) {
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debugC(9, kDebugLevelMain, "TextDisplayer::dropCRIntoString('%s', %d)", str, offs);
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int pos = 0;
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str += offs;
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while (*str) {
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if (*str == ' ') {
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*str = '\r';
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return pos;
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}
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++str;
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++pos;
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}
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return 0;
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}
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char *TextDisplayer::preprocessString(const char *str) {
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debugC(9, kDebugLevelMain, "TextDisplayer::preprocessString('%s')", str);
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if (str != _talkBuffer) {
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assert(strlen(str) < sizeof(_talkBuffer) - 1);
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strcpy(_talkBuffer, str);
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}
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char *p = _talkBuffer;
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while (*p) {
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if (*p == '\r') {
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return _talkBuffer;
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}
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++p;
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}
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p = _talkBuffer;
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Screen::FontId curFont = _screen->setFont(Screen::FID_8_FNT);
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_screen->_charWidth = -2;
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int textWidth = _screen->getTextWidth(p);
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_screen->_charWidth = 0;
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if (textWidth > 176) {
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if (textWidth > 352) {
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int count = getCharLength(p, textWidth / 3);
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int offs = dropCRIntoString(p, count);
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p += count + offs;
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_screen->_charWidth = -2;
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textWidth = _screen->getTextWidth(p);
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_screen->_charWidth = 0;
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count = getCharLength(p, textWidth / 2);
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dropCRIntoString(p, count);
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} else {
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int count = getCharLength(p, textWidth / 2);
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dropCRIntoString(p, count);
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}
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}
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_screen->setFont(curFont);
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return _talkBuffer;
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}
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int TextDisplayer::buildMessageSubstrings(const char *str) {
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debugC(9, kDebugLevelMain, "TextDisplayer::buildMessageSubstrings('%s')", str);
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int currentLine = 0;
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int pos = 0;
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while (*str) {
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if (*str == '\r') {
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assert(currentLine < TALK_SUBSTRING_NUM);
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_talkSubstrings[currentLine * TALK_SUBSTRING_LEN + pos] = '\0';
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++currentLine;
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pos = 0;
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} else {
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_talkSubstrings[currentLine * TALK_SUBSTRING_LEN + pos] = *str;
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++pos;
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if (pos >= TALK_SUBSTRING_LEN - 2)
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pos = TALK_SUBSTRING_LEN - 2;
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}
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++str;
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}
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_talkSubstrings[currentLine * TALK_SUBSTRING_LEN + pos] = '\0';
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return currentLine + 1;
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}
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int TextDisplayer::getWidestLineWidth(int linesCount) {
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debugC(9, kDebugLevelMain, "TextDisplayer::getWidestLineWidth(%d)", linesCount);
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int maxWidth = 0;
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Screen::FontId curFont = _screen->setFont(Screen::FID_8_FNT);
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_screen->_charWidth = -2;
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for (int l = 0; l < linesCount; ++l) {
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int w = _screen->getTextWidth(&_talkSubstrings[l * TALK_SUBSTRING_LEN]);
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if (maxWidth < w) {
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maxWidth = w;
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}
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}
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_screen->setFont(curFont);
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_screen->_charWidth = 0;
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return maxWidth;
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}
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void TextDisplayer::calcWidestLineBounds(int &x1, int &x2, int w, int cx) {
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debugC(9, kDebugLevelMain, "TextDisplayer::calcWidestLineBounds(%d, %d)", w, cx);
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x1 = cx - w / 2;
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if (x1 + w >= Screen::SCREEN_W - 12) {
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x1 = Screen::SCREEN_W - 12 - w - 1;
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} else if (x1 < 12) {
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x1 = 12;
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}
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x2 = x1 + w + 1;
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}
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void TextDisplayer::restoreTalkTextMessageBkgd(int srcPage, int dstPage) {
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debugC(9, kDebugLevelMain, "TextDisplayer::restoreTalkTextMessageBkgd(%d, %d)", srcPage, dstPage);
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if (_talkMessagePrinted) {
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_talkMessagePrinted = false;
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_screen->copyRegion(_talkCoords.x, _talkCoords.y, _talkCoords.x, _talkMessageY, _talkCoords.w, _talkMessageH, srcPage, dstPage);
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}
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}
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void TextDisplayer::printTalkTextMessage(const char *text, int x, int y, uint8 color, int srcPage, int dstPage) {
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debugC(9, kDebugLevelMain, "TextDisplayer::printTalkTextMessage('%s', %d, %d, %d, %d, %d)", text, x, y, color, srcPage, dstPage);
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char *str = preprocessString(text);
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int lineCount = buildMessageSubstrings(str);
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int top = y - lineCount * 10;
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if (top < 0) {
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top = 0;
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}
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_talkMessageY = top;
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_talkMessageH = lineCount * 10;
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int w = getWidestLineWidth(lineCount);
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int x1, x2;
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calcWidestLineBounds(x1, x2, w, x);
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_talkCoords.x = x1;
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_talkCoords.w = w + 2;
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_screen->copyRegion(_talkCoords.x, _talkMessageY, _talkCoords.x, _talkCoords.y, _talkCoords.w, _talkMessageH, srcPage, dstPage, Screen::CR_NO_P_CHECK);
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int curPage = _screen->_curPage;
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_screen->_curPage = srcPage;
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for (int i = 0; i < lineCount; ++i) {
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top = i * 10 + _talkMessageY;
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char *msg = &_talkSubstrings[i * TALK_SUBSTRING_LEN];
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int left = getCenterStringX(msg, x1, x2);
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printText(msg, left, top, color, 0xC, 0);
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}
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_screen->_curPage = curPage;
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_talkMessagePrinted = true;
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}
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void TextDisplayer::printIntroTextMessage(const char *text, int x, int y, uint8 col1, uint8 col2, uint8 col3, int dstPage, Screen::FontId font) {
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debugC(9, kDebugLevelMain, "TextDisplayer::printIntroTextMessage('%s', %d, %d, %d, %d, %d, %d, %d)",
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text, x, y, col1, col2, col3, dstPage, font);
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char *str = preprocessString(text);
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int lineCount = buildMessageSubstrings(str);
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int top = y - lineCount * 10;
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if (top < 0) {
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top = 0;
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}
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_talkMessageY = top;
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_talkMessageH = lineCount * 10;
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int w = getWidestLineWidth(lineCount);
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int x1, x2;
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calcWidestLineBounds(x1, x2, w, x);
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_talkCoords.x = x1;
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_talkCoords.w = w + 2;
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int curPage = _screen->setCurPage(dstPage);
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for (int i = 0; i < lineCount; ++i) {
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top = i * 10 + _talkMessageY;
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char *msg = &_talkSubstrings[i * TALK_SUBSTRING_LEN];
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int left = getCenterStringX(msg, x1, x2);
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printText(msg, left, top, col1, col2, col3, font);
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}
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_screen->_curPage = curPage;
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_talkMessagePrinted = true;
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}
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void TextDisplayer::printText(const char *str, int x, int y, uint8 c0, uint8 c1, uint8 c2, Screen::FontId font) {
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debugC(9, kDebugLevelMain, "TextDisplayer::printText('%s', %d, %d, %d, %d, %d)", str, x, y, c0, c1, c2);
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uint8 colorMap[] = { 0, 15, 12, 12 };
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colorMap[3] = c1;
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_screen->setTextColor(colorMap, 0, 3);
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Screen::FontId curFont = _screen->setFont(font);
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_screen->_charWidth = -2;
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_screen->printText(str, x, y, c0, c2);
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_screen->_charWidth = 0;
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_screen->setFont(curFont);
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}
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void TextDisplayer::printCharacterText(const char *text, int8 charNum, int charX) {
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debugC(9, kDebugLevelMain, "TextDisplayer::printCharacterText('%s', %d, %d)", text, charNum, charX);
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uint8 colorTable[] = {0x0F, 0x9, 0x0C9, 0x80, 0x5, 0x81, 0x0E, 0xD8, 0x55, 0x3A, 0x3a};
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int top, left, x1, x2, w, x;
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char *msg;
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uint8 color = colorTable[charNum];
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text = preprocessString(text);
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int lineCount = buildMessageSubstrings(text);
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w = getWidestLineWidth(lineCount);
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x = charX;
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calcWidestLineBounds(x1, x2, w, x);
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for (int i = 0; i < lineCount; ++i) {
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top = i * 10 + _talkMessageY;
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msg = &_talkSubstrings[i * TALK_SUBSTRING_LEN];
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left = getCenterStringX(msg, x1, x2);
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printText(msg, left, top, color, 0xC, 0);
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}
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}
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} // end of namespace Kyra
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