scummvm/engines/saga2/tileline.cpp
2021-12-26 18:48:43 +01:00

93 lines
3.2 KiB
C++

/* 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