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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#ifndef SCUMM_HE_MOONBASE_AI_PATTERN_H
#define SCUMM_HE_MOONBASE_AI_PATTERN_H
namespace Scumm {
const int NO_PATTERN = 0;
const int PATTERN_FOUND = 1;
class patternInstance {
private:
int _sourceHub;
int _unit;
int _power;
int _angle;
public:
patternInstance() {
_sourceHub = 0;
_unit = 0;
_power = 0;
_angle = 0;
}
patternInstance(int sh, int unit, int power, int angle) {
setSourceHub(sh);
setUnit(unit);
setPower(power);
setAngle(angle);
}
void setSourceHub(int sh) { _sourceHub = sh; }
void setUnit(int unit) { _unit = unit; }
void setPower(int power) {
if (power < 300)
_power = 1;
else if (power < 480)
_power = 2;
else
_power = 3;
}
void setAngle(int angle) {
int tempAngle = angle % 360;
if ((tempAngle >= 0) && (tempAngle < 90))
_angle = 1;
if ((tempAngle >= 90) && (tempAngle < 180))
_angle = 2;
if ((tempAngle >= 180) && (tempAngle < 270))
_angle = 3;
if ((tempAngle >= 270))
_angle = 4;
}
int getSourceHub() const { return _sourceHub; }
int getUnit() const { return _unit; }
int getPowerIndex() const { return _power; }
int getAngleIndex() const { return _angle; }
static int comparePatterns(patternInstance *p1, patternInstance *p2) {
if (p1->getSourceHub() != p2->getSourceHub())
return 0;
if (p1->getUnit() != p2->getUnit())
return 0;
if (p1->getUnit() == -999)
return 0;
int temp = abs(p1->getPowerIndex() - p2->getPowerIndex());
if (temp > 1)
return 0;
temp = abs(p1->getAngleIndex() - p2->getAngleIndex());
if (temp > 1 && temp < 3)
return 0;
return 1;
}
};
class patternList {
private:
patternInstance *theList[10];
int listIndex;
public:
patternList() {
for (int i = 0; i < 10; i++) {
theList[i] = new patternInstance();
}
listIndex = 0;
}
~patternList() {
for (int i = 0; i < 10; i++) {
delete theList[i];
}
}
void addPattern(int sh, int unit, int power, int angle) {
theList[listIndex]->setSourceHub(sh);
theList[listIndex]->setUnit(unit);
theList[listIndex]->setPower(power);
theList[listIndex]->setAngle(angle);
listIndex++;
if (listIndex > 9)
listIndex = 0;
}
int evaluatePattern(int sh, int unit, int power, int angle) {
patternInstance *patternToMatch = new patternInstance(sh, unit, power, angle);
int matchCount = 0;
for (int i = 0; i < 9; i++) {
if (patternInstance::comparePatterns(theList[i], patternToMatch)) {
matchCount++;
}
}
delete patternToMatch;
if (matchCount > 2)
return PATTERN_FOUND;
return NO_PATTERN;
}
};
} // End of namespace Scumm
#endif
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