Initial commit

engines/agds/textLayout.cpp

@@ -0,0 +1,141 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "agds/textLayout.h"
+#include "agds/agds.h"
+#include "agds/character.h"
+#include "agds/font.h"
+#include "agds/object.h"
+#include "agds/process.h"
+#include "agds/systemVariable.h"
+#include "common/debug.h"
+
+namespace AGDS {
+
+void TextLayout::paint(AGDSEngine &engine, Graphics::Surface &backbuffer) {
+	if (!_valid)
+		return;
+	auto *font = engine.getFont(_fontId);
+	for (uint i = 0; i < _lines.size(); ++i) {
+		Line &line = _lines[i];
+		font->drawString(&backbuffer, line.text, line.pos.x, line.pos.y, line.size.x, 0);
+	}
+}
+
+void TextLayout::reset(AGDSEngine &engine) {
+	bool valid = _valid;
+	_valid = false;
+	_lines.clear();
+
+	if (valid) {
+		Common::String &var = _npc ? _npcNotifyVar : _charNotifyVar;
+		if (!var.empty()) {
+			engine.setGlobal(var, 0);
+		}
+		engine.reactivate(_process, "text layout reset");
+		if (engine.getSystemVariable("tell_close_inv")->getInteger()) {
+			engine.inventory().enable(true);
+		}
+	}
+}
+
+void TextLayout::layout(AGDSEngine &engine, Process &process, const Common::String &text, Common::Point pos, int fontId, bool npc) {
+	if (text.empty()) {
+		_valid = false;
+		return;
+	}
+
+	_process = process.getName();
+	process.deactivate();
+	_fontId = fontId;
+	_npc = npc;
+	auto *font = engine.getFont(fontId);
+
+	_lines.clear();
+	int w = 0;
+
+	Common::Point basePos;
+	size_t begin = 0;
+	while (begin < text.size()) {
+		while (begin < text.size() && (text[begin] == '\r' || text[begin] == ' '))
+			++begin;
+		size_t end = text.find('\n', begin);
+		if (end == text.npos)
+			end = text.size();
+
+		Common::String line = text.substr(begin, end - begin);
+		debug("parsed line: %s", line.c_str());
+		begin = end + 1;
+		Common::Point size;
+		size.x = font->getStringWidth(line);
+		size.y = font->getFontHeight();
+		_lines.push_back(Line());
+
+		Line &l = _lines.back();
+		l.pos = basePos;
+		l.text = line;
+		l.size = size;
+
+		basePos.y += size.y;
+		if (size.x > w)
+			w = size.x;
+	}
+
+	int dy = -basePos.y / 2;
+	for (uint i = 0; i < _lines.size(); ++i) {
+		Line &line = _lines[i];
+		line.pos.x += pos.x - line.size.x / 2;
+		line.pos.y += pos.y + dy;
+	}
+
+	_valid = true;
+
+	Common::String &var = _npc ? _npcNotifyVar : _charNotifyVar;
+	if (!var.empty()) {
+		if (!engine.getGlobal(var))
+			engine.setGlobal(var, 1);
+	}
+	if (!_npc) {
+		auto character = engine.currentCharacter();
+		if (character) {
+			if (!_charDirectionNotifyVar.empty()) {
+				if (!engine.getGlobal(_charDirectionNotifyVar))
+					engine.setGlobal(_charDirectionNotifyVar, character->direction());
+			} else {
+				switch (character->direction()) {
+				case 0:
+				case 1:
+				case 2:
+				case 3:
+				case 13:
+				case 14:
+				case 15:
+					break;
+				default:
+					character->animate(Common::Point(), character->direction(), 100);
+				}
+			}
+		} else
+			warning("no current character, skipping direction notification");
+	}
+}
+
+} // namespace AGDS