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engines/ultima/ultima0/gfx/map.cpp

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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/ultima0/gfx/map.h"
+#include "ultima/ultima0/ultima0.h"
+
+namespace Ultima {
+namespace Ultima0 {
+namespace Gfx {
+
+void Map::draw(Graphics::ManagedSurface *s, bool showAsMap) {
+	const auto &player = g_engine->_player;
+	const auto &map = g_engine->_worldMap;
+
+	s->clear();
+
+	int x, y, x1, y1, w, h, grid;
+	Common::Rect r;
+	grid = showAsMap ? WORLD_MAP_SIZE : (g_engine->isEnhanced() ? 7 : 3);
+	w = s->w / grid; h = s->h / grid;	// Get grid sizes
+
+	for (x = 0; x < grid; x++) {
+		for (y = 0; y < grid; y++) {
+			r = Common::Rect(x * w, y * h, x * w + w - 1, y * h + h - 1);
+
+			if (showAsMap) {
+				// If map, not centered around us
+				x1 = x, y1 = y;
+			} else {
+				// Which cell?
+				x1 = player._worldPos.x - grid / 2 + x;
+				y1 = player._worldPos.y - grid / 2 + y;
+			}
+
+			drawTile(s, r, map.read(x1, y1));
+
+			// Draw us if we're there
+			if (x1 == player._worldPos.x && y1 == player._worldPos.y)
+				drawTile(s, r, WT_PLAYER);
+		}
+	}
+}
+
+#define HWColour(IDX)   color = IDX
+#define	X(n)			(x1 + w * (n)/10)
+#define	Y(n)			(y1 + h * (n)/10)
+#define HWLine(X1, Y1, X2, Y2) s->drawLine(X1, Y1, X2, Y2, color)
+#define BOX(x1,y1,x2,y2) { HWLine(X(x1),Y(y1),X(x2),Y(y1));HWLine(X(x1),Y(y1),X(x1),Y(y2));HWLine(X(x2),Y(y2),X(x2),Y(y1));HWLine(X(x2),Y(y2),X(x1),Y(y2)); }
+
+void Map::drawTile(Graphics::ManagedSurface *s, const Common::Rect &r, int obj) {
+	int x1 = r.left;
+	int y1 = r.top;
+	int w = r.width();
+	int h = r.height();
+	byte color = 0;
+
+	// Decide on the object
+	switch (obj) {
+	case WT_SPACE:
+		// Space does nothing at all
+		break;
+
+	case WT_MOUNTAIN:
+		// Mountain the cracked effect
+		HWColour(COL_MOUNTAIN);
+		HWLine(X(2), Y(6), X(2), Y(10));
+		HWLine(X(0), Y(8), X(2), Y(8));
+		HWLine(X(2), Y(6), X(4), Y(6));
+		HWLine(X(4), Y(6), X(4), Y(4));
+		HWLine(X(2), Y(2), X(4), Y(4));
+		HWLine(X(2), Y(2), X(2), Y(0));
+		HWLine(X(2), Y(2), X(0), Y(2));
+		HWLine(X(8), Y(4), X(4), Y(4));
+		HWLine(X(8), Y(4), X(8), Y(0));
+		HWLine(X(8), Y(2), X(10), Y(2));
+		HWLine(X(6), Y(4), X(6), Y(8));
+		HWLine(X(10), Y(8), X(6), Y(8));
+		HWLine(X(8), Y(8), X(8), Y(10));
+		break;
+
+	case WT_TREE:
+		// Tree is just a box
+		HWColour(COL_TREE);
+		BOX(3, 3, 7, 7);
+		break;
+
+	case WT_TOWN:
+		// Town is 5 boxes
+		HWColour(COL_TOWN);
+		BOX(2, 2, 4, 4); BOX(4, 4, 6, 6); BOX(6, 6, 8, 8);
+		BOX(6, 2, 8, 4); BOX(2, 6, 4, 8);
+		break;
+
+	case WT_DUNGEON:
+		// Dungeon is a cross
+		HWColour(COL_DUNGEON);
+		HWLine(X(3), Y(3), X(7), Y(7));
+		HWLine(X(7), Y(3), X(3), Y(7));
+		break;
+
+	case WT_BRITISH:
+		// British castle
+		HWColour(COL_BRITISH);
+		HWLine(X(2), Y(2), X(8), Y(8));
+		HWLine(X(8), Y(2), X(2), Y(8));
+		BOX(0, 0, 10, 10);
+		BOX(2, 2, 8, 8);
+		break;
+
+	case WT_PLAYER:
+		// Player
+		HWColour(COL_PLAYER);
+		HWLine(X(4), Y(5), X(6), Y(5));
+		HWLine(X(5), Y(4), X(5), Y(6));
+		break;
+
+	default:
+		break;
+	}
+}
+
+} // namespace Views
+} // namespace Ultima0
+} // namespace Ultima