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