99 lines
3.1 KiB
C++
99 lines
3.1 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ultima/ultima1/widgets/dungeon_widget.h"
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#include "ultima/ultima1/core/resources.h"
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#include "ultima/ultima1/maps/map_base.h"
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#include "ultima/ultima1/game.h"
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#include "ultima/shared/early/ultima_early.h"
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namespace Ultima {
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namespace Ultima1 {
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namespace Widgets {
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DungeonWidget::DungeonWidget(Ultima1Game *game, Maps::MapBase *map, DungeonWidgetId widgetId,
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const Point &pt) : Shared::Maps::DungeonWidget(game, map, pt), _widgetId(widgetId) {
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}
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DungeonWidget::DungeonWidget(Ultima1Game *game, Maps::MapBase *map) : Shared::Maps::DungeonWidget(game, map), _widgetId(MONSTER_NONE) {
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}
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Ultima1Game *DungeonWidget::getGame() const {
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return static_cast<Ultima1Game *>(_game);
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}
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Maps::MapBase *DungeonWidget::getMap() const {
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return static_cast<Maps::MapBase *>(_map);
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}
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const byte OFFSET_Y[5] = { 139, 112, 96, 88, 84 };
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enum { POINT_AT = 126, END_OF_DRAW = 127 };
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void DungeonWidget::drawWidget(Graphics::ManagedSurface &s, DungeonWidgetId widgetId, uint distance, byte color) {
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Point pt, priorPt;
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if (distance == 0)
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// This can't happen in the original, but in case I add an 'etherial' cheat to allow moving
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// through monsters, this will guard against a crash
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distance = 1;
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int yOffset = OFFSET_Y[MIN((int)distance - 1, 4)];
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int shift = (distance == 5) ? 5 : distance - 1;
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// Get a pointer to the drawing data
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const byte *data = getData();
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data += READ_LE_UINT16(data + widgetId * 2);
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while (*data != END_OF_DRAW) {
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// Check for a point vs a line
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bool isPoint = *data == POINT_AT;
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if (isPoint)
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++data;
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// Get the next position
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getPos(data, shift, pt);
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pt.y += yOffset;
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// Draw point or line
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if (!isPoint)
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s.drawLine(priorPt.x, priorPt.y, pt.x, pt.y, color);
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priorPt = pt;
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}
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}
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const byte *DungeonWidget::getData() {
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Ultima1Game *game = static_cast<Ultima1Game *>(g_vm->_game);
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return game->_res->DUNGEON_DRAW_DATA;
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}
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void DungeonWidget::getPos(const byte *&data, int bitShift, Point &pt) {
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pt.x = ((int8)*data++ >> bitShift) + 160;
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pt.y = ((int8)*data++ >> bitShift);
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}
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void DungeonWidget::draw(Shared::DungeonSurface &s, uint distance) {
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Ultima1Game *game = static_cast<Ultima1Game *>(_game);
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drawWidget(s, _widgetId, distance, game->_edgeColor);
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}
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} // End of namespace Widgets
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} // End of namespace Ultima1
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} // End of namespace Ultima
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