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/*
* Copyright (C) 2002,2003,2004 Daniel Heck
* Copyright (C) 2008,2009,2010 Ronald Lamprecht
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "actors/HorseActor.hh"
#include "errors.hh"
//#include "main.hh"
#include "world.hh"
namespace enigma {
/* -------------------- Horse -------------------- */
Horse::Horse() : Actor (traits), destidx(0), target(), strength(10) {
objFlags |= OBJBIT_STEADY;
}
std::string Horse::getClass() const {
return "ac_horse";
}
Value Horse::getAttr(const std::string &key) const {
if (key == "destination") {
return destination;
} else if (key == "destidx") {
return destidx;
} else if (key == "steady") {
return (bool)(objFlags & OBJBIT_STEADY);
} else if (key == "strength") {
return strength;
} else
return Actor::getAttr(key);
}
void Horse::setAttr(const string& key, const Value &val) {
if (key == "destination") {
destination = val;
if (destination.getType() == Value::NIL)
objFlags &= ~OBJBIT_AUTOMOVE;
else {
destidx = 0;
objFlags |= OBJBIT_NEWDEST;
}
} else if (key == "destidx") {
destidx = val;
if (destidx >= 0)
objFlags |= OBJBIT_NEWDEST;
else
objFlags &= ~OBJBIT_AUTOMOVE;
} else if (key == "steady") {
if (val.to_bool())
objFlags |= OBJBIT_STEADY;
else
objFlags &= ~OBJBIT_STEADY;
} else if (key == "strength") {
strength = val;
if (strength < 0)
objFlags &= ~OBJBIT_AUTOMOVE;
} else
Actor::setAttr(key, val);
if (strength >= 0 && destidx >= 0 && getAttr("destination").getType() != Value::NIL)
objFlags |= OBJBIT_AUTOMOVE;
}
bool Horse::is_dead() const {
return false;
}
void Horse::think(double dtime) {
if (objFlags & OBJBIT_AUTOMOVE) {
updateTarget();
if (objFlags & OBJBIT_AUTOMOVE) {
if (!(objFlags & OBJBIT_STEADY) &&
ecl::square(get_vel()) * 0.6 / strength > ecl::length(target - get_pos()) - 0.05)
add_force(- normalize(get_vel()) * strength);
else
add_force(normalize(target - get_pos()) * strength);
}
}
Actor::think(dtime);
}
void Horse::stoneBounce(const StoneContact &sc) {
if ((objFlags & OBJBIT_AUTOMOVE) && (sc.stonepos == GridPos(target))) {
updateTarget(true);
}
Actor::stoneBounce(sc);
}
void Horse::updateTarget(bool touched) {
if (objFlags & OBJBIT_NEWDEST) {
// target not defined so far
ASSERT(getDestinationByIndex(destidx, target), XLevelRuntime, "Horse actor missing valid destination");
objFlags &= ~OBJBIT_NEWDEST;
} else if (touched || length(target - get_pos()) < ((objFlags & OBJBIT_STEADY) ? 0.2 : 0.1)) {
int id = getId(); // in future user might kill actors on callback
performAction(true);
// target reached or? try next one
if ((Object::getObject(id) != NULL) && (objFlags & OBJBIT_AUTOMOVE) &&
!getDestinationByIndex(++destidx, target)) {
if (getAttr("loop").to_bool()) {
destidx = 0; // failed -> start anew
getDestinationByIndex(destidx, target);
} else
objFlags &= ~OBJBIT_AUTOMOVE;
}
}
}
ActorTraits Horse::traits = {"ac_horse", ac_horse, 1<<ac_horse, 24.0/64, 1.2};
BOOT_REGISTER_START
BootRegister(new Horse(), "ac_horse");
BOOT_REGISTER_END
} // namespace enigma
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