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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/shared/gfx/viewport_map.h"
#include "ultima/shared/maps/map.h"
#include "ultima/shared/early/game.h"
namespace Ultima {
namespace Shared {
EMPTY_MESSAGE_MAP(ViewportMap, Gfx::VisualItem);
void ViewportMap::draw() {
// Get a surface reference and clear it's contents
Gfx::VisualSurface s = getSurface();
s.clear();
// Figure out how many tiles can fit into the display
const Point spriteSize = _sprites->getSpriteSize();
const Point visibleTiles(_bounds.width() / spriteSize.x, _bounds.height() / spriteSize.y);
// Get a reference to the map and get the starting tile position
Maps::Map *map = getGame()->getMap();
const Point topLeft = map->getViewportPosition(visibleTiles);
// Iterate through drawing the map
Maps::MapTile tile;
for (int y = 0; y < visibleTiles.y; ++y) {
for (int x = 0; x < visibleTiles.x; ++x) {
Point drawPos(x * spriteSize.x, y * spriteSize.y);
// Get the next tile to display and draw it
map->getTileAt(Point(topLeft.x + x, topLeft.y + y), &tile);
(*_sprites)[tile._tileDisplayNum].draw(s, drawPos);
// Draw any widgets on the tile
for (uint idx = 0; idx < tile._widgets.size(); ++idx)
(*_sprites)[tile._widgets[idx]->getTileNum()].draw(s, drawPos);
}
}
}
} // End of namespace Shared
} // End of namespace Ultima
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