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mirror of https://github.com/moparisthebest/minetest synced 2024-11-05 00:45:05 -05:00
minetest/src/content_abm.cpp

248 lines
8.2 KiB
C++

/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "content_abm.h"
#include "environment.h"
#include "gamedef.h"
#include "nodedef.h"
#include "content_sao.h"
#include "settings.h"
#include "mapblock.h" // For getNodeBlockPos
#include "main.h" // for g_settings
#include "map.h"
#include "scripting_game.h"
#include "log.h"
#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
class LiquidFlowABM : public ActiveBlockModifier {
private:
std::set<std::string> contents;
public:
LiquidFlowABM(ServerEnvironment *env, INodeDefManager *nodemgr) {
std::set<content_t> liquids;
nodemgr->getIds("group:liquid", liquids);
for(std::set<content_t>::const_iterator k = liquids.begin(); k != liquids.end(); k++)
contents.insert(nodemgr->get(*k).liquid_alternative_flowing);
}
virtual std::set<std::string> getTriggerContents() {
return contents;
}
virtual float getTriggerInterval()
{ return 10.0; }
virtual u32 getTriggerChance()
{ return 10; }
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n) {
ServerMap *map = &env->getServerMap();
if (map->transforming_liquid_size() > 500)
return;
map->transforming_liquid_add(p);
}
};
class LiquidDropABM : public ActiveBlockModifier {
private:
std::set<std::string> contents;
public:
LiquidDropABM(ServerEnvironment *env, INodeDefManager *nodemgr) {
std::set<content_t> liquids;
nodemgr->getIds("group:liquid", liquids);
for(std::set<content_t>::const_iterator k = liquids.begin(); k != liquids.end(); k++)
contents.insert(nodemgr->get(*k).liquid_alternative_source);
}
virtual std::set<std::string> getTriggerContents()
{ return contents; }
virtual std::set<std::string> getRequiredNeighbors() {
std::set<std::string> neighbors;
neighbors.insert("air");
return neighbors;
}
virtual float getTriggerInterval()
{ return 20.0; }
virtual u32 getTriggerChance()
{ return 10; }
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n) {
ServerMap *map = &env->getServerMap();
if (map->transforming_liquid_size() > 500)
return;
if ( map->getNodeNoEx(p - v3s16(0, 1, 0 )).getContent() != CONTENT_AIR // below
&& map->getNodeNoEx(p - v3s16(1, 0, 0 )).getContent() != CONTENT_AIR // right
&& map->getNodeNoEx(p - v3s16(-1, 0, 0 )).getContent() != CONTENT_AIR // left
&& map->getNodeNoEx(p - v3s16(0, 0, 1 )).getContent() != CONTENT_AIR // back
&& map->getNodeNoEx(p - v3s16(0, 0, -1)).getContent() != CONTENT_AIR // front
)
return;
map->transforming_liquid_add(p);
}
};
class LiquidFreeze : public ActiveBlockModifier {
public:
LiquidFreeze(ServerEnvironment *env, INodeDefManager *nodemgr) { }
virtual std::set<std::string> getTriggerContents() {
std::set<std::string> s;
s.insert("group:freezes");
return s;
}
virtual std::set<std::string> getRequiredNeighbors() {
std::set<std::string> s;
s.insert("air");
s.insert("group:melts");
return s;
}
virtual float getTriggerInterval()
{ return 10.0; }
virtual u32 getTriggerChance()
{ return 20; }
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n) {
ServerMap *map = &env->getServerMap();
INodeDefManager *ndef = env->getGameDef()->ndef();
float heat = map->updateBlockHeat(env, p);
//heater = rare
content_t c = map->getNodeNoEx(p - v3s16(0, -1, 0 )).getContent(); // top
//more chance to freeze if air at top
if (heat <= -1 && (heat <= -50 || (myrand_range(-50, heat) <= (c == CONTENT_AIR ? -10 : -40)))) {
content_t c_self = n.getContent();
// making freeze not annoying, do not freeze random blocks in center of ocean
// todo: any block not water (dont freeze _source near _flowing)
bool allow = heat < -40;
// todo: make for(...)
if (!allow) {
c = map->getNodeNoEx(p - v3s16(0, 1, 0 )).getContent(); // below
if (c == CONTENT_AIR || c == CONTENT_IGNORE)
return; // do not freeze when falling
if (c != c_self && c != CONTENT_IGNORE) allow = 1;
if (!allow) {
c = map->getNodeNoEx(p - v3s16(1, 0, 0 )).getContent(); // right
if (c != c_self && c != CONTENT_IGNORE) allow = 1;
if (!allow) {
c = map->getNodeNoEx(p - v3s16(-1, 0, 0 )).getContent(); // left
if (c != c_self && c != CONTENT_IGNORE) allow = 1;
if (!allow) {
c = map->getNodeNoEx(p - v3s16(0, 0, 1 )).getContent(); // back
if (c != c_self && c != CONTENT_IGNORE) allow = 1;
if (!allow) {
c = map->getNodeNoEx(p - v3s16(0, 0, -1)).getContent(); // front
if (c != c_self && c != CONTENT_IGNORE) allow = 1;
}
}
}
}
}
if (allow) {
n.freezeMelt(ndef);
map->addNodeWithEvent(p, n);
}
}
}
};
class LiquidMeltWeather : public ActiveBlockModifier {
public:
LiquidMeltWeather(ServerEnvironment *env, INodeDefManager *nodemgr) { }
virtual std::set<std::string> getTriggerContents() {
std::set<std::string> s;
s.insert("group:melts");
return s;
}
virtual std::set<std::string> getRequiredNeighbors() {
std::set<std::string> s;
s.insert("air");
s.insert("group:freezes");
return s;
}
virtual float getTriggerInterval()
{ return 10.0; }
virtual u32 getTriggerChance()
{ return 20; }
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n) {
ServerMap *map = &env->getServerMap();
INodeDefManager *ndef = env->getGameDef()->ndef();
float heat = map->updateBlockHeat(env, p);
content_t c = map->getNodeNoEx(p - v3s16(0, -1, 0 )).getContent(); // top
if (heat >= 1 && (heat >= 40 || ((myrand_range(heat, 40)) >= (c == CONTENT_AIR ? 10 : 20)))) {
n.freezeMelt(ndef);
map->addNodeWithEvent(p, n);
env->getScriptIface()->node_falling_update(p);
}
}
};
class LiquidMeltHot : public ActiveBlockModifier {
public:
LiquidMeltHot(ServerEnvironment *env, INodeDefManager *nodemgr) { }
virtual std::set<std::string> getTriggerContents() {
std::set<std::string> s;
s.insert("group:melts");
return s;
}
virtual std::set<std::string> getRequiredNeighbors() {
std::set<std::string> s;
s.insert("group:igniter");
s.insert("group:hot");
return s;
}
virtual float getTriggerInterval()
{ return 2.0; }
virtual u32 getTriggerChance()
{ return 4; }
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n) {
ServerMap *map = &env->getServerMap();
INodeDefManager *ndef = env->getGameDef()->ndef();
n.freezeMelt(ndef);
map->addNodeWithEvent(p, n);
env->getScriptIface()->node_falling_update(p);
}
};
/* too buggy, later via liquid flow code
class LiquidMeltAround : public LiquidMeltHot {
public:
LiquidMeltAround(ServerEnvironment *env, INodeDefManager *nodemgr)
: LiquidMeltHot(env, nodemgr) { }
virtual std::set<std::string> getRequiredNeighbors() {
std::set<std::string> s;
s.insert("group:melt_around");
return s;
}
virtual float getTriggerInterval()
{ return 40.0; }
virtual u32 getTriggerChance()
{ return 60; }
};
*/
void add_legacy_abms(ServerEnvironment *env, INodeDefManager *nodedef) {
if (g_settings->getBool("liquid_finite")) {
env->addActiveBlockModifier(new LiquidFlowABM(env, nodedef));
env->addActiveBlockModifier(new LiquidDropABM(env, nodedef));
env->addActiveBlockModifier(new LiquidMeltHot(env, nodedef));
//env->addActiveBlockModifier(new LiquidMeltAround(env, nodedef));
if (env->m_use_weather) {
env->addActiveBlockModifier(new LiquidFreeze(env, nodedef));
env->addActiveBlockModifier(new LiquidMeltWeather(env, nodedef));
}
}
}