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https://github.com/libretro/scummvm.git
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143 lines
3.6 KiB
C++
143 lines
3.6 KiB
C++
/* ResidualVM - A 3D game interpreter
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*
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* ResidualVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the AUTHORS
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "engines/grim/gfx_base.h"
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#include "engines/grim/primitives.h"
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#include "engines/grim/savegame.h"
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#include "engines/grim/grim.h"
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#include "engines/grim/color.h"
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namespace Grim {
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PrimitiveObject::PrimitiveObject() :
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_filled(false), _type(InvalidType) {
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}
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PrimitiveObject::~PrimitiveObject() {
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}
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void PrimitiveObject::saveState(SaveGame *savedState) const {
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savedState->writeLESint32((int32)_type);
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savedState->writeColor(_color);
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savedState->writeLEUint32(_filled);
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savedState->writeLEUint16(_p1.x);
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savedState->writeLEUint16(_p1.y);
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savedState->writeLEUint16(_p2.x);
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savedState->writeLEUint16(_p2.y);
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savedState->writeLEUint16(_p3.x);
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savedState->writeLEUint16(_p3.y);
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savedState->writeLEUint16(_p4.x);
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savedState->writeLEUint16(_p4.y);
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}
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bool PrimitiveObject::restoreState(SaveGame *savedState) {
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_type = (PrimType)savedState->readLESint32();
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_color = savedState->readColor();
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_filled = savedState->readLEUint32();
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_p1.x = savedState->readLEUint16();
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_p1.y = savedState->readLEUint16();
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_p2.x = savedState->readLEUint16();
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_p2.y = savedState->readLEUint16();
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_p3.x = savedState->readLEUint16();
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_p3.y = savedState->readLEUint16();
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_p4.x = savedState->readLEUint16();
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_p4.y = savedState->readLEUint16();
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return true;
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}
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void PrimitiveObject::createRectangle(const Common::Point &p1, const Common::Point &p2, const Color &color, bool filled) {
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_type = RectangleType;
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_p1 = p1;
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_p2 = p2;
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_color = color;
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_filled = filled;
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}
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void PrimitiveObject::createLine(const Common::Point &p1, const Common::Point &p2, const Color &color) {
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_type = LineType;
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_p1 = p1;
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_p2 = p2;
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_color = color;
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}
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void PrimitiveObject::createPolygon(const Common::Point &p1, const Common::Point &p2, const Common::Point &p3, const Common::Point &p4, const Color &color) {
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_type = PolygonType;
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_p1 = p1;
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_p2 = p2;
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_p3 = p3;
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_p4 = p4;
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_color = color;
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}
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void PrimitiveObject::draw() const {
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assert(_type != InvalidType);
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if (_type == RectangleType) {
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g_driver->drawRectangle(this);
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} else if (_type == LineType) {
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g_driver->drawLine(this);
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} else if (_type == PolygonType) {
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g_driver->drawPolygon(this);
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}
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}
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void PrimitiveObject::setPos(int x, int y) {
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if (x != -1) {
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int dx = x - _p1.x;
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_p1.x += dx;
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if (_type == RectangleType || _type == LineType || _type == PolygonType) {
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_p2.x += dx;
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}
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if (_type == PolygonType) {
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_p3.x += dx;
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_p4.x += dx;
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}
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}
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if (y != -1) {
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int dy = y - _p1.y;
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_p1.y += dy;
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if (_type == RectangleType || _type == LineType || _type == PolygonType)
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_p2.y += dy;
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if (_type == PolygonType) {
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_p3.y += dy;
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_p4.y += dy;
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}
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}
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}
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void PrimitiveObject::setEndpoint(int x, int y) {
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assert(_type == LineType);
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_p2.x = x;
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_p2.y = y;
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}
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} // end of namespace Grim
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