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/*
* Copyright (C) 2002,2003,2004,2005 Daniel Heck
* Copyright (C) 2007,2008,2009 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 "GridObject.hh"
#include "errors.hh"
#include "game.hh"
#include "laser.hh"
#include "lua.hh"
#include "main.hh"
#include "SoundEffectManager.hh"
#include "world.hh"
#include "ecl_util.hh"
#include "ecl_dict.hh"
#include <algorithm>
#include <string>
#include <cstdlib>
#include <cstdarg>
#include <iostream>
#include <iomanip>
using namespace std;
namespace enigma {
// remove comment from define below to switch on verbose messaging
// note: VERBOSE_MESSAGES is defined in multiple source files!
// #define VERBOSE_MESSAGES
/* -------------------- GridObject implementation -------------------- */
void GridObject::setOwner(int player) {
ASSERT(pos.x < 0, XLevelRuntime,
"GridObject: attempt to add object to owner inventory that is still on grid");
pos.x = -1;
pos.y = player;
}
Value GridObject::getOwner() {
if (pos.x == -1 && pos.y != -1)
return Value(pos.y);
else
return Value();
}
void GridObject::setOwnerPos(GridPos po) {
ASSERT(pos.x < 0, XLevelRuntime,
"GridObject: attempt to add object to owner inventory that is still on grid");
if (po.x >= 0) {
pos.x = -2 - po.x;
pos.y = -2 - po.y;
} else {
pos.x = po.x;
pos.y = po.y;
}
}
GridPos GridObject::getOwnerPos() {
if (pos.x <= -2)
return GridPos(-2 - pos.x, -2 - pos.y);
else
return pos;
}
bool GridObject::isDisplayable() const {
return pos.x >= 0;
}
bool GridObject::sound_event (const char *name, double vol)
{
return sound::EmitSoundEvent (name, get_pos().center(), getVolume(name, this, vol));
}
void GridObject::warning(const char *format, ...) const
{
va_list arg_ptr;
const GridPos& position = get_pos();
va_start(arg_ptr, format);
fprintf(stderr, "%p \"%s\" at %i/%i: ", this, getKind().c_str(), position.x, position.y);
vfprintf(stderr, format, arg_ptr);
fputc('\n', stderr);
va_end(arg_ptr);
}
void GridObject::setAttr(const string& key, const Value &val) {
if (key == "connections" || key == "faces") {
int d = NODIRBIT;
std::string vs(val);
if (vs.find('n') != std::string::npos) d |= NORTHBIT;
if (vs.find('e') != std::string::npos) d |= EASTBIT;
if (vs.find('s') != std::string::npos) d |= SOUTHBIT;
if (vs.find('w') != std::string::npos) d |= WESTBIT;
if (key == "faces") d ^= ALL_DIRECTIONS;
Object::setAttr("$connections", d);
if (isDisplayable())
init_model();
} else if (key == "$connections") {
Object::setAttr("$connections", val);
if (isDisplayable())
init_model();
} else
StateObject::setAttr(key, val);
}
Value GridObject::getAttr(const string &key) const {
if (key == "connections" || (key == "faces")) {
std::string result;
DirectionBits db = (key == "connections") ? getConnections() :getFaces();
if (db & NORTHBIT) result += "n";
if (db & EASTBIT) result += "e";
if (db & SOUTHBIT) result += "s";
if (db & WESTBIT) result += "w";
return result;
} else
return StateObject::getAttr(key);
}
void GridObject::setState(int extState) {
StateObject::setState(extState);
if (isDisplayable())
init_model();
}
std::string GridObject::getModelName() const {
return getClass();
}
void GridObject::init_model() {
set_model(getModelName());
}
void GridObject::set_anim (const std::string &mname)
{
set_model (mname);
display::Model *m = get_model();
m->set_callback(this);
}
DirectionBits GridObject::getConnections() const {
if (Value v = getAttr("$connections"))
return DirectionBits((int)v);
else
return NODIRBIT;
}
DirectionBits GridObject::getFaces(bool actorUnvisible) const {
return DirectionBits(ALL_DIRECTIONS ^ getConnections());
}
void GridObject::on_creation(GridPos p) {
init_model();
}
void GridObject::on_removal(GridPos p) {
kill_model (p);
if (objFlags & OBJBIT_PHOTOACTIV)
deactivatePhoto();
}
double GridObject::squareDistance(const Object *other) const {
if (isDisplayable()) {
const Actor *a = dynamic_cast<const Actor *>(other);
if (a != NULL) {
ecl::V2 apos = a->get_pos();
return (apos[0] - pos.x)*(apos[0] - pos.x) + (apos[1] - pos.y)*(apos[1] - pos.y);
}
const GridObject *g = dynamic_cast<const GridObject *>(other);
if (g != NULL && g->isDisplayable()) {
return (g->pos.x - pos.x)*(g->pos.x - pos.x) + (g->pos.y - pos.y)*(g->pos.y - pos.y);
}
}
return Object::squareDistance(other); // infinity
}
bool GridObject::isSouthOrEastOf(const Object *other) const {
if (isDisplayable()) {
const Actor *a = dynamic_cast<const Actor *>(other);
if (a != NULL) {
ecl::V2 apos = a->get_pos();
return (apos[1] < pos.y) || ((apos[1] == pos.y) && (apos[0] < pos.x));
}
const GridObject *g = dynamic_cast<const GridObject *>(other);
if (g != NULL && g->isDisplayable()) {
return (g->pos.y < pos.y) || ((g->pos.y == pos.y) && (g->pos.x < pos.x));
} else
return true; // other GridObject is not on Grid
}
return false;
}
// GridObject laser light support
std::list<GridObject *> GridObject::photoSensorList;
std::list<GridObject *>::iterator GridObject::postRecalcItr;
void GridObject::preLaserRecalc() {
for (list<GridObject *>::iterator itr = photoSensorList.begin(); itr != photoSensorList.end(); ++itr) {
uint32_t flags = (*itr)->objFlags;
(*itr)->objFlags = (flags & ~OBJBIT_LIGHTALLDIRS) | ((flags & OBJBIT_LIGHTNEWDIRS) << 4); // remember last laser bits, clear current ones
}
}
void GridObject::postLaserRecalc() {
for (postRecalcItr = photoSensorList.begin(); postRecalcItr != photoSensorList.end(); ) {
list<GridObject *>::iterator witr = postRecalcItr; // work iterator for possible deletion of object
++postRecalcItr; // main iterator does no longer point to critical object
uint32_t flags = (*witr)->objFlags;
DirectionBits newDirs = (DirectionBits)(flags & OBJBIT_LIGHTNEWDIRS);
DirectionBits oldDirs = (DirectionBits)((flags & OBJBIT_LIGHTOLDDIRS) >> 4);
if (newDirs != oldDirs) {
(*witr)->lightDirChanged(oldDirs, newDirs);
}
}
}
void GridObject::prepareLevel() {
photoSensorList.clear();
postRecalcItr = photoSensorList.end();
}
void GridObject::processLight(Direction dir) {
objFlags |= to_bits(dir);
}
DirectionBits GridObject::emissionDirections() const {
return NODIRBIT;
}
void GridObject::activatePhoto() {
ASSERT((objFlags & OBJBIT_PHOTOACTIV) == 0, XLevelRuntime , "GridObject: double photo sensor activation");
photoSensorList.push_front(this); // it is essential to insert at front in case a object is moved on lightDirChanged()
objFlags |= OBJBIT_PHOTOACTIV;
}
void GridObject::lightDirChanged(DirectionBits oldDirs, DirectionBits newDirs) {
}
void GridObject::deactivatePhoto() {
std::list<GridObject *>::iterator itr = std::find(photoSensorList.begin(), photoSensorList.end(), this);
if (itr != photoSensorList.end()) {
if (postRecalcItr == itr) // deactivation on lightDirChanged that interflicts postLaserRecalc
// this object can no longer do as the postLaserRecalc iterator, proceed to next one
++postRecalcItr;
photoSensorList.erase(itr);
}
objFlags &= ~OBJBIT_PHOTOACTIV;
}
DirectionBits GridObject::updateCurrentLightDirs() {
DirectionBits result = NODIRBIT;
for (Direction dir = NORTH; dir != NODIR; dir = (Direction)(dir - 1)) {
if (LightFrom(get_pos(), reverse(dir)))
result = DirectionBits(result | to_bits(dir));
}
objFlags = (objFlags & ~OBJBIT_LIGHTNEWDIRS) | result;
return result;
}
} // namespace enigma
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