stk-code_catmod/src/tracks/check_structure.cpp

284 lines
11 KiB
C++

//
// SuperTuxKart - a fun racing game with go-kart
// Copyright (C) 2009-2015 Joerg Henrichs
//
// 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 3
// 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 "tracks/check_structure.hpp"
#include "config/user_config.hpp"
#include "io/xml_node.hpp"
#include "karts/abstract_kart.hpp"
#include "modes/linear_world.hpp"
#include "modes/world.hpp"
#include "network/network_string.hpp"
#include "race/race_manager.hpp"
#include "tracks/check_lap.hpp"
#include "tracks/check_manager.hpp"
#include "tracks/track.hpp"
#include <algorithm>
CheckStructure::CheckStructure(const XMLNode &node, unsigned int index)
{
m_index = index;
m_check_type = CT_NEW_LAP;
// This structure is actually filled by the check manager (necessary
// in order to support track reversing).
m_check_structures_to_change_state.clear();
m_same_group.clear();
std::string kind;
node.get("kind", &kind);
if(kind=="lap")
m_check_type = CT_NEW_LAP;
else if(kind=="activate")
m_check_type = CT_ACTIVATE;
else if(kind=="toggle")
m_check_type = CT_TOGGLE;
else if(kind=="ambient-light")
m_check_type = CT_AMBIENT_SPHERE;
// Cannons don't have a kind specified, so test for the name in this case
else if(node.getName()=="cannon")
m_check_type = CT_CANNON;
else if(node.getName()=="goal")
m_check_type = CT_GOAL;
else
Log::warn("CheckStructure", "Unknown check structure '%s' - ignored.", kind.c_str());
node.get("same-group", &m_same_group);
// Make sure that the index of this check structure is included in
// the same_group list. While this should be guaranteed by the
// current track exporter, tracks exported with the old track
// exporter will not have this.
if(std::find(m_same_group.begin(), m_same_group.end(), (int)m_index)
== m_same_group.end())
m_same_group.push_back(m_index);
// As a default, only lap lines, cannons and goals are activated
m_active_at_reset= m_check_type==CT_NEW_LAP || m_check_type==CT_CANNON || m_check_type==CT_GOAL;
node.get("active", &m_active_at_reset);
} // CheckStructure
// ----------------------------------------------------------------------------
CheckStructure::CheckStructure()
: m_active_at_reset(true),
m_index(Track::getCurrentTrack()->getCheckManager()
->getCheckStructureCount()),
m_check_type(CT_TRIGGER)
{
} // CheckStructure
// ----------------------------------------------------------------------------
/** Initialises the 'previous positions' of all karts with the start position
* defined for this track.
* \param track The track object defining the start positions.
*/
void CheckStructure::reset(const Track &track)
{
m_previous_position.clear();
m_is_active.clear();
World *world = World::getWorld();
for(unsigned int i=0; i<world->getNumKarts(); i++)
{
const Vec3 &xyz = world->getKart(i)->getXYZ();
m_previous_position.push_back(xyz);
// Activate all checkline
m_is_active.push_back(m_active_at_reset);
} // for i<getNumKarts
} // reset
// ----------------------------------------------------------------------------
/** Updates all check structures. Called one per time step.
* \param dt Time since last call.
*/
void CheckStructure::update(float dt)
{
World *world = World::getWorld();
LinearWorld* lw = dynamic_cast<LinearWorld*>(World::getWorld());
for(unsigned int i=0; i<world->getNumKarts(); i++)
{
const Vec3 &xyz = world->getKart(i)->getFrontXYZ();
if(world->getKart(i)->getKartAnimation()) continue;
// Only check active checklines.
if(m_is_active[i] && isTriggered(m_previous_position[i], xyz, i))
{
if(UserConfigParams::m_check_debug)
Log::info("CheckStructure",
"Check structure %d triggered for kart %s at %f.",
m_index, world->getKart(i)->getIdent().c_str(),
World::getWorld()->getTime());
trigger(i);
if (triggeringCheckline() && lw)
lw->updateCheckLinesServer(getIndex(), i);
}
m_previous_position[i] = xyz;
} // for i<getNumKarts
} // update
// ----------------------------------------------------------------------------
/** Changes the status (active/inactive) of all check structures contained
* in the index list indices.
* \param indices List of index of check structures in the CheckManager that
* are to be changed.
* \param int kart_index For which the status should be changed.
* \param change_state How to change the state (active, deactivate, toggle).
*/
void CheckStructure::changeStatus(const std::vector<int> &indices,
int kart_index,
ChangeState change_state)
{
int player_kart_index = 0;
if (World::getWorld()->getPlayerKart(0))
player_kart_index = World::getWorld()->getPlayerKart(0)->getWorldKartId();
bool update_debug_colors =
UserConfigParams::m_check_debug && RaceManager::get()->getNumPlayers()>0 &&
kart_index == player_kart_index;
CheckManager* cm = Track::getCurrentTrack()->getCheckManager();
for(unsigned int i=0; i<indices.size(); i++)
{
CheckStructure *cs = cm->getCheckStructure(indices[i]);
if (cs == NULL) continue;
switch(change_state)
{
case CS_DEACTIVATE:
cs->m_is_active[kart_index] = false;
if(UserConfigParams::m_check_debug)
{
Log::info("CheckStructure", "Deactivating %d for %s.",
indices[i],
World::getWorld()->getKart(kart_index)->getIdent().c_str());
}
break;
case CS_ACTIVATE:
cs->m_is_active[kart_index] = true;
if(UserConfigParams::m_check_debug)
{
Log::info("CheckStructure", "Activating %d for %s.",
indices[i],
World::getWorld()->getKart(kart_index)->getIdent().c_str());
}
break;
case CS_TOGGLE:
if(UserConfigParams::m_check_debug)
{
// At least on gcc 4.3.2 we can't simply print
// cs->m_is_active[kart_index] ("cannot pass objects of
// non-POD type 'struct std::_Bit_reference' through '...';
// call will abort at runtime"). So we use this somewhat
// unusual but portable construct.
Log::info("CheckStructure", "Toggling %d for %s from %d.",
indices[i],
World::getWorld()->getKart(kart_index)->getIdent().c_str(),
cs->m_is_active[kart_index]==true);
}
cs->m_is_active[kart_index] = !cs->m_is_active[kart_index];
} // switch
if(update_debug_colors)
{
cs->changeDebugColor(cs->m_is_active[kart_index]);
}
} // for i<indices.size()
/*
printf("--------\n");
for (int n=0; n<m->getCheckStructureCount(); n++)
{
CheckStructure *cs = cm->getCheckStructure(n);
if (dynamic_cast<CheckLap*>(cs) != NULL)
printf("Checkline %i (LAP) : %i\n", n, (int)cs->m_is_active[kart_index]);
else
printf("Checkline %i : %i\n", n, (int)cs->m_is_active[kart_index]);
}
*/
} //changeStatus
// ----------------------------------------------------------------------------
/** Is called when this check structure is triggered. This then can cause
* a lap to be counted, animation to be started etc.
*/
void CheckStructure::trigger(unsigned int kart_index)
{
switch(m_check_type)
{
case CT_NEW_LAP :
World::getWorld()->newLap(kart_index);
if(UserConfigParams::m_check_debug)
{
Log::info("CheckStructure", "%s new lap %d triggered",
World::getWorld()->getKart(kart_index)->getIdent().c_str(),
m_index);
}
changeStatus(m_check_structures_to_change_state,
kart_index, CS_ACTIVATE);
break;
case CT_ACTIVATE:
changeStatus(m_check_structures_to_change_state,
kart_index, CS_ACTIVATE);
break;
case CT_TOGGLE:
changeStatus(m_check_structures_to_change_state,
kart_index, CS_TOGGLE);
break;
default:
break;
} // switch m_check_type
changeStatus(m_same_group, kart_index, CS_DEACTIVATE);
} // trigger
// ----------------------------------------------------------------------------
void CheckStructure::saveCompleteState(BareNetworkString* bns)
{
World* world = World::getWorld();
for (unsigned int i = 0; i < world->getNumKarts(); i++)
bns->add(m_previous_position[i]).addUInt8(m_is_active[i] ? 1 : 0);
} // saveCompleteState
// ----------------------------------------------------------------------------
void CheckStructure::restoreCompleteState(const BareNetworkString& b)
{
m_previous_position.clear();
m_is_active.clear();
World* world = World::getWorld();
for (unsigned int i = 0; i < world->getNumKarts(); i++)
{
Vec3 xyz = b.getVec3();
bool is_active = b.getUInt8() == 1;
m_previous_position.push_back(xyz);
m_is_active.push_back(is_active);
}
} // restoreCompleteState
// ----------------------------------------------------------------------------
void CheckStructure::saveIsActive(int kart_id, BareNetworkString* bns)
{
bns->addUInt8(m_is_active[kart_id] ? 1 : 0);
} // saveIsActive
// ----------------------------------------------------------------------------
void CheckStructure::restoreIsActive(int kart_id, const BareNetworkString& b)
{
bool is_active = b.getUInt8() == 1;
m_is_active.at(kart_id) = is_active;
} // restoreIsActive