mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
277 lines
9.2 KiB
C++
277 lines
9.2 KiB
C++
// Cyphesis Online RPG Server and AI Engine
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// Copyright (C) 2004 Alistair Riddoch
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (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 Foundation,
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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// $Id$
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#include "TerrainProperty.h"
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#include "common/log.h"
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#include "common/debug.h"
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#include "modules/TerrainContext.h"
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#include <Mercator/Terrain.h>
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#include <Mercator/Segment.h>
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#include <Mercator/Surface.h>
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#include <Mercator/TerrainMod.h>
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#include <Mercator/TileShader.h>
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#include <Mercator/FillShader.h>
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#include <Mercator/ThresholdShader.h>
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#include <Mercator/DepthShader.h>
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#include <Mercator/GrassShader.h>
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#include <wfmath/intersect.h>
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#include <sstream>
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#include <cassert>
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static const bool debug_flag = false;
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using Atlas::Message::Element;
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using Atlas::Message::MapType;
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using Atlas::Message::ListType;
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using Atlas::Message::FloatType;
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typedef Mercator::Terrain::Pointstore Pointstore;
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typedef Mercator::Terrain::Pointcolumn Pointcolumn;
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typedef enum { ROCK = 0, SAND = 1, GRASS = 2, SILT = 3, SNOW = 4} Surface;
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/// \brief TerrainProperty constructor
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///
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/// @param data Reference to varaible holding the value of this Property
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/// @param modifiedTerrain Reference to a variable storing the set of
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/// modified points
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/// @param createdTerrain Reference to a variable storing the set of
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/// created points
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/// @param flags Flags indicating how this Property should be handled
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TerrainProperty::TerrainProperty() :
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m_data(*new Mercator::Terrain(Mercator::Terrain::SHADED)),
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m_tileShader(*new Mercator::TileShader)
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{
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m_tileShader.addShader(new Mercator::FillShader(), ROCK);
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m_tileShader.addShader(new Mercator::BandShader(-2.f, 1.5f), SAND);
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m_tileShader.addShader(new Mercator::GrassShader(1.f, 80.f, .5f, 1.f), GRASS);
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m_tileShader.addShader(new Mercator::DepthShader(0.f, -10.f), SILT);
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m_tileShader.addShader(new Mercator::HighShader(110.f), SNOW);
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m_data.addShader(&m_tileShader, 0);
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}
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TerrainProperty::~TerrainProperty()
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{
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delete &m_data;
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delete &m_tileShader;
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}
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int TerrainProperty::get(Element & ent) const
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{
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MapType & t = (ent = MapType()).asMap();
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MapType & terrain = (t["points"] = MapType()).asMap();
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const Pointstore & points = m_data.getPoints();
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Pointstore::const_iterator Iend = points.end();
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for (Pointstore::const_iterator I = points.begin(); I != Iend; ++I) {
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const Pointcolumn & pointcol = I->second;
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Pointcolumn::const_iterator J = pointcol.begin();
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Pointcolumn::const_iterator Jend = pointcol.end();
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for (; J != Jend; ++J) {
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std::stringstream key;
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key << I->first << "x" << J->first;
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ListType & point = (terrain[key.str()] = ListType(3)).asList();
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point[0] = (FloatType)(I->first);
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point[1] = (FloatType)(J->first);
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point[2] = (FloatType)(J->second.height());
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}
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}
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t["surfaces"] = m_surfaces;
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return 0;
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}
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void TerrainProperty::set(const Element & ent)
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{
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if (!ent.isMap()) {
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return;
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}
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const MapType & t = ent.asMap();
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debug(std::cout << "TerrainProperty::setTerrain()"
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<< std::endl << std::flush;);
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const Pointstore & base_points = m_data.getPoints();
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MapType::const_iterator I = t.find("points");
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if (I != t.end() && I->second.isMap()) {
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const MapType & points = I->second.asMap();
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MapType::const_iterator Iend = points.end();
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for (MapType::const_iterator I = points.begin(); I != Iend; ++I) {
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if (!I->second.isList()) {
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continue;
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}
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const ListType & point = I->second.asList();
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if (point.size() != 3) {
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continue;
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}
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int x = (int)point[0].asNum();
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int y = (int)point[1].asNum();
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Pointstore::const_iterator J = base_points.find(x);
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if (J == base_points.end() ||
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J->second.find(y) == J->second.end()) {
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// Newly added point.
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m_createdTerrain[x].insert(y);
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} else {
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// Modified point
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PointSet::const_iterator K = m_createdTerrain.find(x);
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if (K == m_createdTerrain.end() ||
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K->second.find(y) == K->second.end()) {
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// Already in database
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m_modifiedTerrain[x].insert(y);
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}
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// else do nothing, as its currently waiting to be added.
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}
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m_data.setBasePoint(x, y, point[2].asNum());
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// FIXME Add support for roughness and falloff, as done
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// by damien in equator and FIXMEd out by me
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}
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}
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I = t.find("surfaces");
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if (I != t.end() && I->second.isList()) {
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m_surfaces = I->second.List();
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}
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}
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void TerrainProperty::addMod(const Mercator::TerrainMod *mod) const
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{
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m_data.addMod(mod);
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}
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void TerrainProperty::updateMod(const Mercator::TerrainMod *mod) const
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{
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m_data.updateMod(mod);
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}
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void TerrainProperty::removeMod(const Mercator::TerrainMod *mod) const
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{
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m_data.removeMod(mod);
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}
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void TerrainProperty::clearMods(float x, float y)
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{
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Mercator::Segment *s = m_data.getSegment(x,y);
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if(s != NULL) {
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s->clearMods();
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//log(INFO, "Mods cleared!");
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}
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}
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/// \brief Return the height and normal to the surface at the given point
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bool TerrainProperty::getHeightAndNormal(float x,
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float y,
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float & height,
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Vector3D & normal) const
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{
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Mercator::Segment * s = m_data.getSegment(x, y);
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if (s != 0 && !s->isValid()) {
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s->populate();
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}
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return m_data.getHeightAndNormal(x, y, height, normal);
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}
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/// \brief Get a number encoding the surface type at the given x,y coordinates
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///
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/// @param pos the x,y coordinates of the point on the terrain
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/// @param material a reference to the integer to be used to store the
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/// material identifier at this location.
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int TerrainProperty::getSurface(const Point3D & pos, int & material)
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{
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float x = pos.x(),
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y = pos.y();
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Mercator::Segment * segment = m_data.getSegment(x, y);
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if (segment == 0) {
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debug(std::cerr << "No terrain at this point" << std::endl << std::flush;);
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return -1;
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}
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if (!segment->isValid()) {
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segment->populate();
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}
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x -= segment->getXRef();
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y -= segment->getYRef();
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assert(x <= segment->getSize());
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assert(y <= segment->getSize());
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const Mercator::Segment::Surfacestore & surfaces = segment->getSurfaces();
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WFMath::Vector<3> normal;
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float height = -23;
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segment->getHeightAndNormal(x, y, height, normal);
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debug(std::cout << "At the point " << x << "," << y
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<< " of the segment the height is " << height << std::endl;
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std::cout << "The segment has " << surfaces.size()
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<< std::endl << std::flush;);
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if (surfaces.size() == 0) {
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log(ERROR, "The terrain has no surface data");
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return -1;
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}
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Mercator::Surface & tile_surface = *surfaces.begin()->second;
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if (!tile_surface.isValid()) {
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tile_surface.populate();
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}
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material = tile_surface((int)x, (int)y, 0);
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return 0;
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}
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/// \brief Find the mods at a given location
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///
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/// @param pos the x,y coordinates of a point on the terrain
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/// @param mods a reference to the list to be returned
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void TerrainProperty::findMods(const Point3D & pos, std::vector<Entity *> & ret)
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{
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Mercator::Segment * seg = m_data.getSegment(pos.x(), pos.y());
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if (seg == 0) {
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return;
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}
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const Mercator::ModList & seg_mods = seg->getMods();
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Mercator::ModList::const_iterator I = seg_mods.begin();
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Mercator::ModList::const_iterator Iend = seg_mods.end();
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for (; I != Iend; ++I) {
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const Mercator::TerrainMod * mod = *I;
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WFMath::AxisBox<2> mod_box = mod->bbox();
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if (pos.x() > mod_box.lowCorner().x() && pos.x() < mod_box.highCorner().x() &&
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pos.y() > mod_box.lowCorner().y() && pos.y() < mod_box.highCorner().y()) {
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Mercator::Effector::Context * c = mod->context();
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if (c == 0) {
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log(WARNING, "Terrrain mod with no context");
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continue;
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}
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debug(std::cout << "Context has id" << c->id() << std::endl;);
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TerrainContext * tc = dynamic_cast<TerrainContext *>(c);
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if (tc == 0) {
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log(WARNING, "Terrrain mod with non Cyphesis context");
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continue;
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}
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debug(std::cout << "Context has pointer " << tc->entity().get()
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<< std::endl;);
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ret.push_back(tc->entity().get());
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}
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}
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}
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