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#include "ContactListener.hpp"
#include "SimBase.hpp"
void ContactListener::PreSolve(b2Contact *contact, const b2Manifold *oldManifold)
{
b2Body *bodyA = contact->GetFixtureA()->GetBody();
b2Body *bodyB = contact->GetFixtureB()->GetBody();
Guppie *gp1 = nullptr;
Guppie *gp2 = nullptr;
if (bodyA->GetType() == b2_dynamicBody)
{
if (((Entity *)bodyA->GetUserData())->radius == Params::GUPPIE_RAD)
{
if (((Guppie *)bodyA->GetUserData())->isActive)
{
gp1 = (Guppie *)bodyA->GetUserData();
}
}
}
if (bodyB->GetType() == b2_dynamicBody)
{
if (((Entity *)bodyB->GetUserData())->radius == Params::GUPPIE_RAD)
{
if (((Guppie *)bodyB->GetUserData())->isActive)
{
gp2 = (Guppie *)bodyB->GetUserData();
}
}
}
// If only one body is a Guppie
if ((gp1 && !gp2) || (!gp1 && gp2))
{
Guppie *gp = gp1 ? gp1 : gp2;
b2Body *bd = gp1 ? bodyB : bodyA;
if (bd->GetType() == b2_staticBody)
{
gp->lastContactStep = hSim->prms.contactSteps;
gp->lastContact = Guppie::ZAPPER;
gp->energy += hSim->prms.etFromZapper;
}
else
{
if (((Entity *)bd->GetUserData())->radius == Params::ZAPPER_RAD)
{
gp->lastContactStep = hSim->prms.contactSteps;
gp->lastContact = Guppie::ZAPPER;
gp->energy += hSim->prms.etFromZapper;
}
else
{
sf::Transform trans;
trans.translate(gp->body->GetPosition().x, gp->body->GetPosition().y);
trans.rotate(gp->body->GetAngle() * Params::RAD_DGRS);
sf::Vector2f beak1 = trans.transformPoint(hSim->beak1.getPoint(1));
sf::Vector2f beak2 = trans.transformPoint(hSim->beak2.getPoint(1));
float cateteX1 = beak1.x - bd->GetPosition().x;
float cateteY1 = beak1.y - bd->GetPosition().y;
float cateteX2 = beak2.x - bd->GetPosition().x;
float cateteY2 = beak2.y - bd->GetPosition().y;
if (((Entity *)bd->GetUserData())->radius == Params::PELLET_RAD)
{
if (cateteX1 * cateteX1 + cateteY1 * cateteY1 < hSim->prms.PELLET_RAD * hSim->prms.PELLET_RAD ||
cateteX2 * cateteX2 + cateteY2 * cateteY2 < hSim->prms.PELLET_RAD * hSim->prms.PELLET_RAD)
{
gp->lastContactStep = hSim->prms.contactSteps;
gp->lastContact = Guppie::PELLET;
gp->energy += hSim->prms.etFromPellet;
gp->fitness += hSim->prms.forPellet;
((Pellet *)bd->GetUserData())->toBeDestroyed = true;
if (hSim->camera.trgtBody == bd)
{
hSim->camera.prevCrds = hSim->camera.currentCrds;
hSim->camera.step = Params::CAM_STEPS;
hSim->camera.trgtBody = gp->body;
}
}
}
else if (((Entity *)bd->GetUserData())->radius == Params::CORPSE_RAD)
{
if (cateteX1 * cateteX1 + cateteY1 * cateteY1 < hSim->prms.CORPSE_RAD * hSim->prms.CORPSE_RAD ||
cateteX2 * cateteX2 + cateteY2 * cateteY2 < hSim->prms.CORPSE_RAD * hSim->prms.CORPSE_RAD)
{
gp->lastContactStep = hSim->prms.contactSteps;
gp->lastContact = Guppie::CORPSE;
gp->energy += ((Corpse *)bd->GetUserData())->energy;
gp->fitness += hSim->prms.forCorpse * (((Corpse *)bd->GetUserData())->energy / hSim->prms.etFromCorpse);
((Corpse *)bd->GetUserData())->toBeDestroyed = true;
if (hSim->camera.trgtBody == bd)
{
hSim->camera.prevCrds = hSim->camera.currentCrds;
hSim->camera.step = Params::CAM_STEPS;
hSim->camera.trgtBody = gp->body;
}
}
}
}
}
if (gp->energy > hSim->prms.maxEnergy)
{
gp->energy = hSim->prms.maxEnergy;
}
}
// If both bodies are guppies
else if (gp1 && gp2)
{
sf::Transform trans1;
sf::Transform trans2;
trans1.translate(gp1->body->GetPosition().x, gp1->body->GetPosition().y);
trans1.rotate(gp1->body->GetAngle() * Params::RAD_DGRS);
trans2.translate(gp2->body->GetPosition().x, gp2->body->GetPosition().y);
trans2.rotate(gp2->body->GetAngle() * Params::RAD_DGRS);
sf::Vector2f beak1_1 = trans1.transformPoint(hSim->beak1.getPoint(1));
sf::Vector2f beak1_2 = trans1.transformPoint(hSim->beak2.getPoint(1));
sf::Vector2f beak2_1 = trans2.transformPoint(hSim->beak1.getPoint(1));
sf::Vector2f beak2_2 = trans2.transformPoint(hSim->beak2.getPoint(1));
float cateteX1_1 = beak1_1.x - gp2->body->GetPosition().x;
float cateteY1_1 = beak1_1.y - gp2->body->GetPosition().y;
float cateteX2_1 = beak2_1.x - gp2->body->GetPosition().x;
float cateteY2_1 = beak2_1.y - gp2->body->GetPosition().y;
float cateteX1_2 = beak1_2.x - gp1->body->GetPosition().x;
float cateteY1_2 = beak1_2.y - gp1->body->GetPosition().y;
float cateteX2_2 = beak2_2.x - gp1->body->GetPosition().x;
float cateteY2_2 = beak2_2.y - gp1->body->GetPosition().y;
if (cateteX1_1 * cateteX1_1 + cateteY1_1 * cateteY1_1 < hSim->prms.GUPPIE_RAD * hSim->prms.GUPPIE_RAD ||
cateteX2_1 * cateteX2_1 + cateteY2_1 * cateteY2_1 < hSim->prms.GUPPIE_RAD * hSim->prms.GUPPIE_RAD)
{
gp1->lastContactStep = hSim->prms.contactSteps;
gp1->lastContact = Guppie::GUPPIE;
gp1->energy += hSim->prms.etFromGuppie;
gp1->fitness += hSim->prms.forGuppie;
gp2->lastContactStep = hSim->prms.contactSteps;
gp2->lastContact = Guppie::GUPPIE;
gp2->energy -= hSim->prms.etFromGuppie;
}
if (cateteX1_2 * cateteX1_2 + cateteY1_2 * cateteY1_2 < hSim->prms.GUPPIE_RAD * hSim->prms.GUPPIE_RAD ||
cateteX2_2 * cateteX2_2 + cateteY2_2 * cateteY2_2 < hSim->prms.GUPPIE_RAD * hSim->prms.GUPPIE_RAD)
{
gp1->lastContactStep = hSim->prms.contactSteps;
gp1->lastContact = Guppie::GUPPIE;
gp1->energy -= hSim->prms.etFromGuppie;
gp2->lastContactStep = hSim->prms.contactSteps;
gp2->lastContact = Guppie::GUPPIE;
gp2->energy += hSim->prms.etFromGuppie;
gp2->fitness += hSim->prms.forGuppie;
}
if (gp1->energy > hSim->prms.maxEnergy)
{
gp1->energy = hSim->prms.maxEnergy;
}
if (gp2->energy > hSim->prms.maxEnergy)
{
gp2->energy = hSim->prms.maxEnergy;
}
}
}
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