Initial commit

engines/saga2/tileline.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
+ * aint32 with this program; if not, write to the Free Software
+ *
+ *
+ * Based on the original sources
+ *   Faery Tale II -- The Halls of the Dead
+ *   (c) 1993-1996 The Wyrmkeep Entertainment Co.
+ */
+
+#include "saga2/saga2.h"
+#include "saga2/tile.h"
+#include "saga2/tileline.h"
+
+namespace Saga2 {
+
+void TPTriangle(const TilePoint &tp1, const TilePoint &tp2, const TilePoint &tp3, int16 color) {
+	TPLine(tp1, tp2, color);
+	TPLine(tp2, tp3, color);
+	TPLine(tp3, tp1, color);
+}
+
+void TPRectangle(const TilePoint &tp1, const TilePoint &tp2, const TilePoint &tp3, const TilePoint &tp4, int16 color) {
+	TPLine(tp1, tp2, color);
+	TPLine(tp2, tp3, color);
+	TPLine(tp3, tp4, color);
+	TPLine(tp4, tp1, color);
+}
+
+void TPCircle(const TilePoint &tp, const int radius, int16 color) {
+	TPLine(tp + TilePoint(radius / 1, radius / 2, 0), tp + TilePoint(radius / 2, radius / 1, 0), color);
+	TPLine(tp + TilePoint(radius / 2, radius / 1, 0), tp + TilePoint(radius / -2, radius / 1, 0), color);
+	TPLine(tp + TilePoint(radius / -2, radius / 1, 0), tp + TilePoint(radius / -1, radius / 2, 0), color);
+	TPLine(tp + TilePoint(radius / -1, radius / 2, 0), tp + TilePoint(radius / -1, radius / -2, 0), color);
+	TPLine(tp + TilePoint(radius / -1, radius / -2, 0), tp + TilePoint(radius / -2, radius / -1, 0), color);
+	TPLine(tp + TilePoint(radius / -2, radius / -1, 0), tp + TilePoint(radius / 2, radius / -1, 0), color);
+	TPLine(tp + TilePoint(radius / 2, radius / -1, 0), tp + TilePoint(radius / 1, radius / -2, 0), color);
+	TPLine(tp + TilePoint(radius / 1, radius / -2, 0), tp + TilePoint(radius / 1, radius / 2, 0), color);
+}
+
+//  Draw a line in TP space
+
+void TPLine(const TilePoint &start, const TilePoint &stop) {
+	Point16         startPt,
+	                stopPt;
+
+	TileToScreenCoords(start, startPt);
+	TileToScreenCoords(stop, stopPt);
+
+	startPt.x   += kTileRectX;
+	stopPt.x    += kTileRectX;
+	startPt.y   += kTileRectY;
+	stopPt.y    += kTileRectY;
+
+	g_vm->_mainPort.setColor(1);
+	g_vm->_mainPort.moveTo(startPt);
+	g_vm->_mainPort.drawTo(stopPt);
+}
+
+void TPLine(const TilePoint &start, const TilePoint &stop, int16 color) {
+	Point16         startPt,
+	                stopPt;
+
+	TileToScreenCoords(start, startPt);
+	TileToScreenCoords(stop, stopPt);
+
+	startPt.x   += kTileRectX;
+	stopPt.x    += kTileRectX;
+	startPt.y   += kTileRectY;
+	stopPt.y    += kTileRectY;
+
+	g_vm->_mainPort.setColor(color);
+	g_vm->_mainPort.moveTo(startPt);
+	g_vm->_mainPort.drawTo(stopPt);
+}
+
+} // end of namespace Saga2