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Chunk.cpp Go to the documentation of this file. // Chunk.cpp // released 2006-09-25 /* Copyright (C) 2006 Anders Hedstrom (grymse@alhem.net) 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 2 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, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <libfuture.h> #include <Utility.h> #include "Chunk.h" #include "InSocket.h" #include "Player.h" #include "FutureHandler.h" #include "Area.h" #include "Terrain.h" #include "Chunkinfo.h" #include "Portal.h" // statics chunks_t Chunk::m_chunks; Chunk::Chunk(Database& db,Area& a,long num) : Object(db), m_area(a) , m_chunk(Chunk::GetChunk(db, a, num)) { GetInfo(); } Chunk::Chunk(Database& db,Area& a,int x,int y,int z) : Object(db), m_area(a) , m_chunk(Chunk::GetChunk(db, a, x, y, z)) { GetInfo(); } Chunk::~Chunk() { } void Chunk::Init(InSocket *from,int x,int y,int z,char tchar) { { db::Chunk chunk(&m_db); chunk.area = m_area.GetNum(); chunk.x = x; chunk.y = y; chunk.z = z; if (from) { Database& db = from -> GetDatabase(); Player pl(db, from -> GetAccountName()); chunk.created_by = pl.GetNum(); } else { chunk.created_by = 0; } // next line will crash when initing a new world chunk.created_date = static_cast<FutureHandler&>(from -> Handler()).GetDateTime(); while (chunk.terrain.size() < (size_t)m_area.GetWidth() * m_area.GetHeight()) chunk.terrain += tchar; chunk.save(); } Chunk::RemoveObject(m_area, x, y, z); m_chunk = Chunk::GetChunk(m_db, m_area, x, y, z); Chunk cnorth(m_db, m_area, x, y + 1, z); if (cnorth.Exists()) { for (int x = 0; x < m_area.GetWidth(); x++) Set(x, 0, cnorth.Get(x, m_area.GetHeight() - 1)); } Chunk csouth(m_db, m_area, x, y - 1, z); if (csouth.Exists()) { for (int x = 0; x < m_area.GetWidth(); x++) Set(x, m_area.GetHeight() - 1, csouth.Get(x, 0)); } Chunk ceast(m_db, m_area, x + 1, y, z); if (ceast.Exists()) { for (int y = 0; y < m_area.GetHeight(); y++) Set(m_area.GetWidth() - 1, y, ceast.Get(0, y)); } Chunk cwest(m_db, m_area, x - 1, y, z); if (cwest.Exists()) { for (int y = 0; y < m_area.GetHeight(); y++) Set(0, y, cwest.Get(m_area.GetWidth() - 1, y)); } } void Chunk::Set(int x,int y,char tchar) { if (m_chunk) m_chunk -> terrain[x + y * m_area.GetWidth()] = tchar; } char Chunk::Get(int x,int y) { if (m_chunk) return m_chunk -> terrain[x + y * m_area.GetWidth()]; return ' '; } bool Chunk::Exists() { if (m_chunk && m_chunk -> num) return true; return false; } void Chunk::Save() { if (m_chunk) m_chunk -> save(); } long Chunk::GetNum() { if (m_chunk) return m_chunk -> num; return 0; } void Chunk::Fill(int x,int y,char fromchar,char tochar) { Set(x,y,tochar); if (y > 0 && Get(x,y - 1) == fromchar) Fill(x, y - 1, fromchar, tochar); if (y < m_area.GetHeight() - 1 && Get(x,y + 1) == fromchar) Fill(x, y + 1, fromchar, tochar); if (x < m_area.GetWidth() - 1 && Get(x + 1,y) == fromchar) Fill(x + 1, y, fromchar, tochar); if (x > 0 && Get(x - 1,y) == fromchar) Fill(x - 1, y, fromchar, tochar); } db::Chunk *Chunk::GetChunk(Database& db,Area& area,int x,int y,int z) { std::list<db::Chunk *>& ref = m_chunks[area.GetNum()]; for (std::list<db::Chunk *>::iterator it = ref.begin(); it != ref.end(); it++) { db::Chunk *p = *it; if (p -> x == x && p -> y == y && p -> z == z) { return p; } } db::Chunk *p = new db::Chunk(db, area.GetNum(), x, y, z); p -> area = area.GetNum(); p -> x = x; p -> y = y; p -> z = z; ref.push_back(p); return p; } db::Chunk *Chunk::GetChunk(Database& db,Area& area,long num) { std::list<db::Chunk *>& ref = m_chunks[area.GetNum()]; for (std::list<db::Chunk *>::iterator it = ref.begin(); it != ref.end(); it++) { db::Chunk *p = *it; if (p -> num == num) { return p; } } db::Chunk *p = new db::Chunk(db, num); p -> area = area.GetNum(); ref.push_back(p); return p; } void Chunk::RemoveObject(Area& area,int x,int y,int z) { std::list<db::Chunk *>& ref = m_chunks[area.GetNum()]; for (std::list<db::Chunk *>::iterator it = ref.begin(); it != ref.end(); it++) { db::Chunk *p = *it; if (p -> x == x && p -> y == y && p -> z == z) { delete p; ref.erase(it); return; } } } int Chunk::GetX() { return m_chunk -> x; } int Chunk::GetY() { return m_chunk -> y; } int Chunk::GetZ() { return m_chunk -> z; } void Chunk::Edge(Terrain& t,int width) { if (width < m_area.GetWidth() && width < m_area.GetHeight()) { for (int w = 0; w < width; w++) { for (int x = 0; x < m_area.GetWidth(); x++) { Set(x, w, t.GetChar()); Set(x, m_area.GetHeight() - w - 1, t.GetChar()); } for (int y = 0; y < m_area.GetHeight(); y++) { Set(w, y, t.GetChar()); Set(m_area.GetWidth() - w - 1, y, t.GetChar()); } } } } void Chunk::GetInfo() { if (!Exists()) return; Query q(m_db); q.get_result("select * from chunkinfo where chunk=" + Utility::l2string(GetNum())); while (q.fetch_row()) { db::Chunkinfo info(&m_db, &q); Chunkinfo x(m_db, *this, info.x, info.y, (Chunkinfo::infotype_t)info.type); } q.free_result(); } void Chunk::AddPortal(int x,int y,Area& to_area,Chunk& to_chunk,int to_x,int to_y) { Portal info(m_db, *this); info.SetX(x); info.SetY(y); info.SetType(Chunkinfo::TYPE_PORTAL); info.SetToArea(to_area.GetNum()); info.SetToChunk(to_chunk.GetNum()); info.SetToX(to_x); info.SetToY(to_y); info.Save(); Set(x, y, 'P'); Save(); } void Chunk::Show(InSocket *from) { Database& db = from -> GetDatabase(); Player pl(db, from -> GetAccountName()); std::list<db::Chunkinfo *>& ref = Chunkinfo::GetChunkinfo(*this); for (std::list<db::Chunkinfo *>::iterator it = ref.begin(); it != ref.end(); it++) { db::Chunkinfo *p = *it; if (p -> x == pl.GetChunkX() && p -> y == pl.GetChunkY()) { Chunkinfo *info = Chunkinfo::GetInstance(db, *this, p -> x, p -> y, (Chunkinfo::infotype_t)p -> type); info -> Display(from); delete info; } } }

Page, code, and content Copyright (C) 2006 by Anders Hedström

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