105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
/************************************************************************
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* Copyright (c) 2005-2007 tok@openlinux.org.uk *
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* *
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* This software is provided as-is, without any express or implied *
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* warranty. In no event will the authors be held liable for any *
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* damages arising from the use of this software. *
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* *
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* Permission is granted to anyone to use this software for any purpose, *
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* including commercial applications, and to alter it and redistribute *
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* it freely, subject to the following restrictions: *
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* *
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* 1. The origin of this software must not be misrepresented; you must *
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* not claim that you wrote the original software. If you use this *
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* software in a product, an acknowledgment in the product documentation *
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* would be appreciated but is not required. *
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* *
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* 2. Altered source versions must be plainly marked as such, and must *
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* not be misrepresented as being the original software. *
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* *
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* 3. This notice may not be removed or altered from any source *
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* distribution. *
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************************************************************************/
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#ifndef UTIL_CELLITERATOR_H
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#define UTIL_CELLITERATOR_H
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#include <cassert>
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#include "opengta.h"
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#include "dataholder.h"
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#include "math3d.h"
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#include "SDL_video.h"
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namespace Util {
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float distance(const Vector3D & p1, const Vector3D & p2);
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float xz_angle(const Vector3D & from, const Vector3D & to);
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float xz_turn_angle(const Vector3D & from, const Vector3D & to);
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class CellIterator {
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public:
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CellIterator(const Vector3D & p) :
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x(int(floor(p.x))), y(int(floor(p.z))), z(int(floor(p.y))),
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mapRef(OpenGTA::MapHolder::Instance().get()) {}
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CellIterator(OpenGTA::Map & map, int _x, int _y, int _z) :
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x(_x), y(_y), z(_z), mapRef(map) {}
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CellIterator(const CellIterator & o) :
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x(o.x), y(o.y), z(o.z), mapRef(o.mapRef) {}
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bool isValid() const;
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int distance(const CellIterator & o) const;
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bool operator == (const CellIterator & o) const {
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return (x == o.x && y == o.y && z == o.z);
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}
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CellIterator operator = (const CellIterator & o) {
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mapRef = o.mapRef;
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x = o.x;
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y = o.y;
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z = o.z;
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return *this;
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}
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CellIterator left() const {
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CellIterator p(*this);
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p.x -= 1;
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return p;
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}
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CellIterator right() const {
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CellIterator p(*this);
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p.x += 1;
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return p;
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}
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CellIterator top() const {
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CellIterator p(*this);
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p.y += 1;
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return p;
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}
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CellIterator bottom() const {
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CellIterator p(*this);
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p.y -= 1;
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return p;
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}
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CellIterator up() const {
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CellIterator p(*this);
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p.z += 1;
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return p;
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}
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CellIterator down() const {
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CellIterator p(*this);
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p.z -= 1;
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return p;
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}
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bool isBlockType(uint8_t t) const;
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std::pair<bool, CellIterator> findTypeInCol(uint8_t t) const;
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std::pair<bool, CellIterator> findNeighbourWithType(uint8_t t, float angle_hint);
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int x, y, z;
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OpenGTA::Map::BlockInfo & getBlock() const;
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private:
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OpenGTA::Map & mapRef;
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};
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}
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#endif
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