mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
e85f0831b2
Classes under "rulesets" have been moved to "rules", and split up into futher subdirectories matching their library. As a result we can now better separate the python bindings, so that things that belongs to the simulation are separeted from things that belongs to the ai.
517 lines
17 KiB
C++
517 lines
17 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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#include "TerrainProperty.h"
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#include "rules/LocatedEntity.h"
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#include "rules/Domain.h"
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#include "rules/simulation/BaseWorld.h"
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#include "common/debug.h"
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#include "common/custom.h"
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#include "common/TypeNode.h"
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#include "common/operations/Nourish.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/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 <Atlas/Objects/Anonymous.h>
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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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using Atlas::Objects::Operation::Nourish;
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using Atlas::Objects::Entity::Anonymous;
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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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TerrainProperty::TerrainProperty(const TerrainProperty& rhs) :
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m_data(*new Mercator::Terrain(Mercator::Terrain::SHADED)),
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m_tileShader(nullptr)
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{
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//Copy all points.
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for (auto& pointColumn : rhs.m_data.getPoints()) {
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for (auto& point : pointColumn.second) {
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m_data.setBasePoint(pointColumn.first, point.first, point.second);
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}
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}
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//Copy surface if available, as well as surface data.
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if (!rhs.m_surfaces.empty()) {
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m_surfaces = rhs.m_surfaces;
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m_tileShader = createShaders(m_surfaces);
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m_data.addShader(m_tileShader, 0);
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}
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}
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/// \brief TerrainProperty constructor
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TerrainProperty::TerrainProperty() :
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m_data(*new Mercator::Terrain(Mercator::Terrain::SHADED)),
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m_tileShader(nullptr)
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{
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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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void TerrainProperty::install(LocatedEntity *owner, const std::string &name)
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{
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owner->installDelegate(Atlas::Objects::Operation::EAT_NO, name);
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}
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void TerrainProperty::remove(LocatedEntity *owner, const std::string & name)
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{
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owner->removeDelegate(Atlas::Objects::Operation::EAT_NO, name);
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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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for (const auto& column : points) {
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for (const auto point : column.second) {
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const Mercator::BasePoint& bp = point.second;
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std::stringstream key;
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key << column.first << "x" << point.first;
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size_t size = 3;
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bool sendRoughness = false;
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bool sendFalloff = false;
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if (bp.falloff() != Mercator::BasePoint::FALLOFF) {
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size = 5;
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sendRoughness = true;
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sendFalloff = true;
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} else if (bp.roughness() != Mercator::BasePoint::ROUGHNESS) {
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size = 4;
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sendRoughness = true;
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}
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ListType & pointElem = (terrain[key.str()] = ListType(size)).List();
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pointElem[0] = (FloatType)(column.first);
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pointElem[1] = (FloatType)(point.first);
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pointElem[2] = (FloatType)(bp.height());
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if (sendRoughness) {
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pointElem[3] = bp.roughness();
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}
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if (sendFalloff) {
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pointElem[4] = bp.falloff();
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}
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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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int minX = std::numeric_limits<int>::max();
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int maxX = std::numeric_limits<int>::min();
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int minY = std::numeric_limits<int>::max();
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int maxY = std::numeric_limits<int>::min();
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auto 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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auto Iend = points.end();
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for (auto pointsI = points.begin(); pointsI != Iend; ++pointsI) {
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if (!pointsI->second.isList()) {
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continue;
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}
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const ListType & point = pointsI->second.asList();
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if (point.size() < 3) {
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continue;
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}
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if (!point[0].isNum() || !point[1].isNum() || !point[2].isNum()) {
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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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double h = point[2].asNum();
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double roughness;
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double falloff;
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if (point.size() > 3) {
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roughness = point[3].asFloat();
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} else {
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roughness = Mercator::BasePoint::ROUGHNESS;
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}
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if (point.size() > 4) {
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falloff = point[4].asFloat();
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} else {
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falloff = Mercator::BasePoint::FALLOFF;
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}
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Mercator::BasePoint bp(h, roughness, falloff);
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auto 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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minX = std::min(minX, x);
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maxX = std::max(maxX, x);
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minY = std::min(minY, y);
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maxY = std::max(maxY, y);
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m_data.setBasePoint(x, y, bp);
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}
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}
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if (minX != std::numeric_limits<int>::max()) {
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float spacing = m_data.getSpacing();
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WFMath::Point<2> minCorner((minX * spacing) - (spacing * 0.5f), (minY * spacing) - (spacing * 0.5f));
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WFMath::Point<2> maxCorner((maxX * spacing) + (spacing * 0.5f), (maxY * spacing) + (spacing * 0.5f));
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WFMath::AxisBox<2> changedArea(minCorner, maxCorner);
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m_changedAreas.push_back(changedArea);
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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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//Only alter shader if the definition has changed.
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if (m_surfaces != I->second.List()) {
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auto shader = createShaders(I->second.List());
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if (m_tileShader) {
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m_data.removeShader(m_tileShader, 0);
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delete m_tileShader;
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}
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m_tileShader = shader;
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if (shader) {
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m_data.addShader(shader, 0);
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}
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m_surfaces = I->second.List();
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}
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}
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}
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void TerrainProperty::apply(LocatedEntity* entity) {
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if (!m_changedAreas.empty()) {
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Domain* domain = entity->getDomain();
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if (domain) {
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domain->refreshTerrain(m_changedAreas);
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m_changedAreas.clear();
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}
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}
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}
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Mercator::TileShader* TerrainProperty::createShaders(const Atlas::Message::ListType& surfaceList) {
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if (!surfaceList.empty()) {
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auto* tileShader = new Mercator::TileShader();
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for (auto& surfaceElement : surfaceList) {
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if (!surfaceElement.isMap()) {
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continue;
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}
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auto& surfaceMap = surfaceElement.Map();
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auto patternI = surfaceMap.find("pattern");
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if (patternI == surfaceMap.end() || !patternI->second.isString()) {
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log(WARNING, "Surface has no 'pattern'.");
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continue;
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}
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auto nameI = surfaceMap.find("name");
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if (nameI == surfaceMap.end() || !nameI->second.isString()) {
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log(WARNING, "Surface has no 'name'.");
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continue;
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}
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const std::string& name = nameI->second.String();
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int layer;
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if (name == "rock") {
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layer = ROCK;
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} else if (name == "sand") {
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layer = SAND;
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} else if (name == "grass") {
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layer = GRASS;
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} else if (name == "silt") {
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layer = SILT;
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} else if (name == "snow") {
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layer = SNOW;
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} else {
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log(WARNING, String::compose("Could not recognize surface with layer with name '%1'", name));
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continue;
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}
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Mercator::Shader::Parameters shaderParams;
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auto paramsI = surfaceMap.find("params");
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if (paramsI != surfaceMap.end() && paramsI->second.isMap()) {
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auto params = paramsI->second.Map();
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for (auto& entry : params) {
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if (entry.second.isNum()) {
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shaderParams.insert(std::make_pair(entry.first, (float)entry.second.asNum()));
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} else {
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log(WARNING, "'terrain.shaders...params' entry must be a map of floats..");
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}
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}
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}
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auto& pattern = patternI->second.String();
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if (pattern == "fill") {
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tileShader->addShader(new Mercator::FillShader(shaderParams), layer);
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} else if (pattern == "band") {
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tileShader->addShader(new Mercator::BandShader(shaderParams), layer);
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} else if (pattern == "grass") {
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tileShader->addShader(new Mercator::GrassShader(shaderParams), layer);
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} else if (pattern == "depth") {
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tileShader->addShader(new Mercator::DepthShader(shaderParams), layer);
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} else if (pattern == "high") {
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tileShader->addShader(new Mercator::HighShader(shaderParams), layer);
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} else {
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log(WARNING, String::compose("Could not recognize surface with pattern '%1'", pattern));
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continue;
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}
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}
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return tileShader;
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}
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return nullptr;
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}
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TerrainProperty * TerrainProperty::copy() const
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{
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return new TerrainProperty(*this);
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}
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HandlerResult TerrainProperty::operation(LocatedEntity * e,
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const Operation & op, OpVector & res)
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{
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return eat_handler(e, op, res);
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}
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void TerrainProperty::addMod(long id, const Mercator::TerrainMod *mod) const
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{
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m_data.updateMod(id, mod);
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}
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void TerrainProperty::updateMod(long id, const Mercator::TerrainMod *mod) const
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{
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m_data.updateMod(id, mod);
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}
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void TerrainProperty::removeMod(long id) const
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{
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m_data.updateMod(id, nullptr);
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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.getSegmentAtPos(x,y);
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if(s != nullptr) {
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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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auto s = m_data.getSegmentAtPos(x, y);
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if (s && !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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bool TerrainProperty::getHeight(float x, float y, float& height) const
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{
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auto s = m_data.getSegmentAtPos(x, y);
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if (s && !s->isValid()) {
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s->populate();
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}
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return m_data.getHeight(x, y, height);
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}
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/// \brief Get a number encoding the surface type at the given x,z coordinates
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///
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/// @param pos the x,z 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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boost::optional<int> TerrainProperty::getSurface(float x, float z) const
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{
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Mercator::Segment * segment = m_data.getSegmentAtPos(x, z);
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if (segment == nullptr) {
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debug(std::cerr << "No terrain at this point" << std::endl << std::flush;);
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return boost::none;
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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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z -= segment->getZRef();
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assert(x <= segment->getSize());
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assert(z <= 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, z, height, normal);
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debug(std::cout << "At the point " << x << "," << z
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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.empty()) {
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log(ERROR, "The terrain has no surface data");
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return boost::none;
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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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return tile_surface((int)x, (int)z, 0);
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}
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boost::optional<std::vector<LocatedEntity*>> TerrainProperty::findMods(float x, float z) const
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{
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Mercator::Segment * seg = m_data.getSegmentAtPos(x, z);
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if (seg == nullptr) {
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return boost::none;
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}
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std::vector<LocatedEntity*> ret;
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auto& seg_mods = seg->getMods();
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for (auto& entry : seg_mods) {
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const Mercator::TerrainMod * mod = entry.second;
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WFMath::AxisBox<2> mod_box = mod->bbox();
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if (x > mod_box.lowCorner().x() && x < mod_box.highCorner().x() &&
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z > mod_box.lowCorner().y() && z < mod_box.highCorner().y()) {
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Mercator::Effector::Context * c = mod->context();
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if (c == nullptr) {
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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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auto tc = dynamic_cast<TerrainContext *>(c);
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if (tc == nullptr) {
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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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return ret;
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}
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HandlerResult TerrainProperty::eat_handler(LocatedEntity * e,
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const Operation & op, OpVector & res)
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{
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const std::string & from_id = op->getFrom();
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auto from = BaseWorld::instance().getEntity(from_id);
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if (!from) {
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//The eating entity could have been destroyed in the interim.
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debug_print(String::compose("Terrain got eat op from non-existent "
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"entity %1.", from_id));
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return OPERATION_IGNORED;
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}
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Point3D from_pos = relativePos(e->m_location, from->m_location);
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auto material = getSurface(from_pos.x(), from_pos.z());
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if (!material) {
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debug(std::cout << "no surface hit" << std::endl << std::flush;);
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return OPERATION_IGNORED;
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}
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const TypeNode * from_type = from->getType();
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if (from_type->isTypeOf("plant")) {
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if (*material == GRASS) {
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debug(std::cout << "From grass" << std::endl << std::flush;);
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Nourish nourish;
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nourish->setTo(from_id);
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Anonymous nour_arg;
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nour_arg->setAttr("eat_type", "plant");
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Element mass;
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from->getAttr("mass", mass);
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if (!mass.isFloat()) {
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mass = 0.;
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}
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// FIXME to do this right we need to know how long since the
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// last tick, so the from entity needs to tell us.
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nour_arg->setAttr("mass",
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std::pow(mass.Float(), 0.5) /
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(60.0 * 24.0));
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nourish->setArgs1(nour_arg);
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res.push_back(nourish);
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}
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} else if (from_type->isTypeOf("character")) {
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log(NOTICE, "Eat coming from an animal.");
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if (*material == GRASS) {
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debug(std::cout << "From grass" << std::endl << std::flush;);
|
|
}
|
|
}
|
|
|
|
return OPERATION_HANDLED;
|
|
}
|
|
|
|
Mercator::Terrain& TerrainProperty::getData()
|
|
{
|
|
return m_data;
|
|
}
|
|
|
|
Mercator::Terrain& TerrainProperty::getData() const
|
|
{
|
|
return m_data;
|
|
}
|
|
|
|
|