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MyStrat.cpp
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MyStrat.cpp
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#include "MyStrat.hpp"
#include <deque>
#include <map>
#include <set>
#include <optional>
#include <queue>
#include <functional>
#ifdef ENABLE_LOGGING
void writeLog(const std::string &str);
void renderLine(const P &p1, const P &p2, uint32_t color);
void renderPath(const MyLevel &level, const std::vector<int> &nodes);
#define WRITE_LOG(x) {std::ostringstream oss; oss << x; writeLog(oss.str());}
#else
#define writeLog(str);
#define renderLine(p1, p2, color);
#define WRITE_LOG(x);
#define renderPath(l, n);
#endif
void DistanceMap::compute(const Simulator &sim, IP ip) {
w = sim.level->w;
h = sim.level->h;
distMap.clear();
distMap.resize(w * h, -1);
ip.limitWH(w, h);
std::deque<IP> pts;
pts.push_back(ip);
distMap[ip.ind(w)] = 0;
while (!pts.empty())
{
IP p = pts.front();
pts.pop_front();
double v = distMap[p.ind(w)] + 1;
for (int y = p.y - 1; y <= p.y + 1; ++y)
{
if (sim.level->isValidY(y))
{
for (int x = p.x - 1; x <= p.x + 1; ++x)
{
if (sim.level->isValidX(x))
{
int ind = IP(x, y).ind(w);
if (distMap[ind] < 0)
{
Tile t = sim.level->getTile(x, y);
if (t != WALL)
{
distMap[ind] = v;
pts.push_back(IP(x, y));
}
}
}
}
}
}
}
}
void NavMeshV2::compute(const MyLevel &level)
{
w = level.w;
h = level.h;
nodes.resize(level.w * level.h);
auto canMove = [&level](int x, int y) {
return !wall(level.getTile(x, y)) && !wall(level.getTile(x, y + 1));
};
for (int y = 1; y < level.h - 1; ++y)
{
for (int x = 1; x < level.w - 1; ++x)
{
if (canMove(x, y))
{
std::array<Node, MOM_N> &cellNodes = nodes[IP(x, y).ind(level.w)];
bool onLadder = level.getTile(x, y) == LADDER;
bool onLadderUpper = level.getTile(x, y + 1) == LADDER;
bool onGround;
bool cm_l = canMove(x - 1, y);
bool cm_r = canMove(x + 1, y);
bool cm_u = canMove(x, y + 1);
bool cm_d = canMove(x, y - 1);
bool cm_lu = cm_l && cm_u && canMove(x - 1, y + 1);
bool cm_ru = cm_r && cm_u && canMove(x + 1, y + 1);
bool cm_ld = cm_l && cm_d && canMove(x - 1, y - 1);
bool cm_rd = cm_r && cm_d && canMove(x + 1, y - 1);
bool isJumppadBelow = jumppad(level.getTile(x, y - 1));
bool isJumppadUpperHalf = jumppad(level.getTile(x, y + 1));
bool isJumppadCurrent = jumppad(level.getTile(x, y)) || isJumppadUpperHalf;
bool isJumppadBody = isJumppadBelow || isJumppadCurrent;
bool isWallOrLadderAbove = wall(level.getTile(x, y + 2)) || level.getTile(x, y + 2) == LADDER;
if (!isJumppadBody || isWallOrLadderAbove)
{
// move left
onGround = wallOrPlatformOrLadder(level.getTile(x, y - 1))
|| (cm_l && wallOrPlatform(level.getTile(x - 1, y - 1)))
|| onLadder;
if ((onGround || onLadderUpper) && cm_l)
{
Node &nd0 = cellNodes[0];
Link l;
l.cost = 6;
l.targetMomentum = 0;
l.targetCanCancel = true;
l.deltaPos = -1;
nd0.links.push_back(l);
}
// left down
if (!isJumppadBody && cm_ld)
{
Node &nd0 = cellNodes[0];
Link l;
l.cost = 6;
l.targetMomentum = 0;
l.targetCanCancel = true;
l.deltaPos = -1 - level.w;
nd0.links.push_back(l);
}
// move right
onGround = wallOrPlatformOrLadder(level.getTile(x, y - 1))
|| (cm_r && wallOrPlatform(level.getTile(x + 1, y - 1)))
|| onLadder;
if ((onGround || onLadderUpper) && cm_r)
{
Node &nd0 = cellNodes[0];
Link l;
l.cost = 6;
l.targetMomentum = 0;
l.targetCanCancel = true;
l.deltaPos = 1;
nd0.links.push_back(l);
}
// right down
if (!isJumppadBody && cm_rd)
{
Node &nd0 = cellNodes[0];
Link l;
l.cost = 6;
l.targetMomentum = 0;
l.targetCanCancel = true;
l.deltaPos = 1 - level.w;
nd0.links.push_back(l);
}
// moveDown
if (!isJumppadBody && !wallOrJumppad(level.getTile(x, y - 1)))
{
Node &nd0 = cellNodes[0];
Link l;
l.cost = 6;
l.targetMomentum = 0;
l.targetCanCancel = true;
l.deltaPos = -level.w;
nd0.links.push_back(l);
}
}
// move up
if (cm_u)
{
if (!isJumppadBody)
{
for (int i = 1; i <= 5; ++i)
{
Node& node = cellNodes[i];
Link l;
l.cost = 6;
l.targetMomentum = i - 1;
l.targetCanCancel = true;
l.deltaPos = level.w;
node.links.push_back(l);
}
}
for (int i = 6; i < 16; ++i)
{
Node& node = cellNodes[i];
Link l;
l.cost = 3;
l.targetMomentum = onLadderUpper ? 0 : (isJumppadCurrent ? 10 : i - 6);
l.targetCanCancel = l.targetMomentum == 0;
l.deltaPos = level.w;
node.links.push_back(l);
}
// move left up
if (cm_lu)
{
if (!isJumppadBody)
{
for (int i = 1; i <= 5; ++i)
{
Node& node = cellNodes[i];
Link l;
l.cost = 6;
l.targetMomentum = i - 1;
l.targetCanCancel = true;
l.deltaPos = -1 + level.w;
node.links.push_back(l);
}
}
if (canMove(x - 1, y + 2) && !onLadder && !onLadderUpper)
{
for (int i = 7; i < 16; ++i)
{
Node& node = cellNodes[i];
Link l;
l.cost = 6;
l.targetMomentum = isJumppadUpperHalf ? 10 : (isJumppadCurrent ? 9 : i - 7);
l.targetCanCancel = l.targetMomentum == 0;
l.deltaPos = -1 + 2 * level.w;
node.links.push_back(l);
}
}
}
// move right up
if (cm_ru)
{
if (!isJumppadBody)
{
for (int i = 1; i <= 5; ++i)
{
Node& node = cellNodes[i];
Link l;
l.cost = 6;
l.targetMomentum = i - 1;
l.targetCanCancel = true;
l.deltaPos = 1 + level.w;
node.links.push_back(l);
}
}
if (canMove(x + 1, y + 2) && !onLadder && !onLadderUpper)
{
for (int i = 7; i < 16; ++i)
{
Node& node = cellNodes[i];
Link l;
l.cost = 6;
l.targetMomentum = isJumppadUpperHalf ? 10 : (isJumppadCurrent ? 9 : i - 7);
l.targetCanCancel = l.targetMomentum == 0;
l.deltaPos = +1 + 2 * level.w;
node.links.push_back(l);
}
}
}
}
// stop jumping
for (int i = 1; i <= 5; ++i)
{
Node& node = cellNodes[i];
Link l;
l.cost = 1;
l.targetMomentum = 0;
l.targetCanCancel = true;
l.deltaPos = 0;
node.links.push_back(l);
}
// start jumping
onGround = wallOrPlatformOrLadder(level.getTile(x, y - 1))
|| (cm_l && wallOrPlatform(level.getTile(x - 1, y - 1)))
|| (cm_r && wallOrPlatform(level.getTile(x + 1, y - 1)))
|| onLadder;
if (onGround)
{
Node& node = cellNodes[0];
Link l;
l.cost = 1;
l.targetMomentum = 5;
l.targetCanCancel = true;
l.deltaPos = 0;
node.links.push_back(l);
}
// hit ceiling
bool ceiling = isWallOrLadderAbove
|| wall(level.getTile(x - 1, y + 2))
|| wall(level.getTile(x + 1, y + 2));
if (ceiling && !isJumppadCurrent)
{
for (int i = 6; i < 16; ++i)
{
Node& node = cellNodes[i];
Link l;
l.cost = 1;
l.targetMomentum = 0;
l.targetCanCancel = true;
l.deltaPos = 0;
node.links.push_back(l);
}
}
if (!onLadder && !onLadderUpper)
{
// jump on jumppad
bool isJumppad = false;
for (int dy = -1; dy <= 2; ++dy)
{
for (int dx = -1; dx <= 1; ++dx)
{
if (level.getTileSafe(IP(x + dx, y + dy)) == JUMP_PAD)
{
isJumppad = true;
break;
}
}
}
if (isJumppad)
{
for (int i = 0; i < 16; ++i)
{
Node& node = cellNodes[i];
Link l;
l.cost = 1;
l.targetMomentum = 10;
l.targetCanCancel = false;
l.deltaPos = 0;
node.links.push_back(l);
}
}
}
}
}
}
}
void DistanceMapV2::compute(const NavMeshV2 &navMesh, const PP &pp)
{
w = navMesh.w;
h = navMesh.h;
distMap.clear();
distMap.resize(w * h * MOM_N, 65000);
#ifdef ENABLE_LOGGING
prevNode.clear();
prevNode.resize(w * h * MOM_N, -1);
#endif
typedef std::pair<uint16_t , PP> NLink;
auto cmp = [](const NLink &l1, const NLink &l2){return l1.first > l2.first;};
std::priority_queue<NLink, std::vector<NLink>, decltype(cmp)> pts(cmp);
pts.push(std::make_pair(0, pp));
distMap[pp.ind()] = 0;
while (!pts.empty())
{
PP p = pts.top().second;
pts.pop();
int pInd = p.ind();
uint16_t curDist = distMap[pInd];
const Node &node = navMesh.nodes[p.pos][p.innerInd()];
//LOG("FROM " << p.toString(w) << " d " << curDist);
for (const auto &link : node.links)
{
PP v;
v.pos = p.pos + link.deltaPos;
v.upMomentum = link.targetMomentum;
v.canCancel = link.targetCanCancel;
uint16_t newD = curDist + link.cost;
int vInd = v.ind();
if (distMap[vInd] > newD)
{
distMap[vInd] = newD;
#ifdef ENABLE_LOGGING
prevNode[vInd] = pInd;
#endif
pts.push(std::make_pair(newD, v));
//LOG("TO " << v.toString(w) << " d " << newD);
}
}
}
}
void applyMove(const Move &m, MyAction &action)
{
action.velocity = m.vel;
if (m.jump == 1)
action.jump = true;
else if (m.jump == -1)
action.jumpDown = true;
}
DistanceMapV2 &getDistMap(const MyUnit &u, MyStrat &strat)
{
PP p = strat.navMesh.makePP(u);
int posInd = p.ind();
auto it = strat.distMap.find(posInd);
if (it != strat.distMap.end())
{
strat.lruCache.erase(it->second.lruCacheIt);
strat.lruCache.push_front(posInd);
it->second.lruCacheIt = strat.lruCache.begin();
return it->second;
}
if (strat.lruCache.size() > MAX_DMAPS)
{
int last = strat.lruCache.back();
strat.lruCache.pop_back();
strat.distMap.erase(last);
//LOG("REMOVE CACHE");
}
DistanceMapV2 &res = strat.distMap[posInd];
res.compute(strat.navMesh, p);
strat.lruCache.push_front(posInd);
res.lruCacheIt = strat.lruCache.begin();
//LOG("CASHE SIZE " << strat.lruCache.size());
return res;
}
DistanceMap &getSimpleDistMap(const IP &p, MyStrat &strat)
{
int posInd = p.ind(strat.sim.level->w);
auto it = strat.simpleDistMap.find(posInd);
if (it != strat.simpleDistMap.end())
return it->second;
DistanceMap &res = strat.simpleDistMap[posInd];
res.compute(strat.sim, p);
return res;
}
struct DistComputer {
DistanceMapV2 &dmap;
DistanceMap &sdmap;
MyStrat &strat;
DistComputer(const MyUnit &unit, MyStrat &strat) : dmap(getDistMap(unit, strat)), sdmap(getSimpleDistMap(unit.pos, strat)), strat(strat) {
}
double getDist(const P &p, double simpleDistMapCoef) const {
double d1 = dmap.getDist(strat.navMesh.makePP(p));
double d2 = sdmap.getDist(p);
double dist = d1 * (1.0 - simpleDistMapCoef) + d2;
return dist;
}
double getDistM0(const MyUnit &u, double simpleDistMapCoef)
{
double dist = dmap.getDistM0(strat.navMesh.makePP(u)) * (1.0 - simpleDistMapCoef) + sdmap.getDist(u.pos);
return dist;
}
};
double getScore(MyStrat &strat, const Simulator &sim, bool isLoosing, double sdScore, std::map<int, int> &curHealth, int curTick, const std::vector<std::pair<P, double/*T*/>> &RLColPoints)
{
double score = (sim.score[0] - sim.score[1])/10.0 + (sim.selfFire[1] - sim.selfFire[0])/4.0;
double s0 = score;
double lbScore = 0; // Бонус за то, что аптечка ближе к намшему юниту, чем к врагу
//std::set<int> clBoxes;
for (const MyLootBox &l : sim.lootBoxes)
{
if (l.type == MyLootBoxType ::HEALTH_PACK)
{
double minDist = 1e9;
Side side = Side::NONE;
int id = -1;
double deltaHealth = 0;
for (const MyUnit &unit : sim.units)
{
DistComputer dcomp(unit, strat);
double dist = dcomp.getDist(l.pos, sdScore);
if (unit.isMine())
dist *= 1.1;
if (dist < minDist)
{
minDist = dist;
side = unit.side;
id = unit.id;
deltaHealth = 100 - curHealth[unit.id];
}
}
//clBoxes.insert(id);
if (side == Side::ME)
lbScore += (deltaHealth * 0.1);
else
lbScore -= (deltaHealth * 0.1);
}
}
if (lbScore > 30) // Слишком много аптечек
lbScore = 30;
score += lbScore;
//WRITE_LOG("++++++++++++ " << lbScore);
for (const MyUnit &unit : sim.units)
{
if (unit.side == Side::ME)
{
if (isLoosing && unit.weapon.lastFireTick + 500 < sim.curTick) // Может хоть так перестанут боты застревать на карте? (Хотя не, все равно не работает)
score += unit.health * 0.5;
else
score += unit.health;
if (unit.weapon)
score -= unit.weapon.spread;
else
score -= 1;
if (!unit.action.shoot && unit.weapon && unit.weapon.fireTimerMicrotics <= 100)
{
score -= 1;
}
IP ipos = IP(unit.pos);
DistComputer dcomp(unit, strat);
double magazineRel = 1.0;
if (unit.weapon && unit.weapon.weaponType != MyWeaponType ::ROCKET_LAUNCHER)
{
magazineRel = (double) unit.weapon.magazine / (double) unit.weapon.params->magazineSize;
}
bool reload = false;
if (unit.weapon)
{
score += 100;
reload = unit.weapon.fireTimerMicrotics > unit.weapon.params->fireRateMicrotiks;
}
else
{
double wScore = 0;
double wCount = 0;
for (const MyLootBox &l : sim.lootBoxes)
{
if (l.type == MyLootBoxType ::WEAPON)
{
double dist = dcomp.getDist(l.pos, sdScore);
wScore += 50.0 / (dist + 1.0);
wCount++;
}
}
if (wCount > 0)
score += wScore / wCount; // Бежим к оружию
}
double hpScore = 0;
double mineScore = 0;
{
double hScore = 0;
double hCount = 0;
double mScore = 0;
double mCount = 0;
for (const MyLootBox &l : sim.lootBoxes)
{
if (l.type == MyLootBoxType ::HEALTH_PACK)
{
double dist = dcomp.getDist(l.pos, sdScore);
hScore += 50.0 / (dist + 1.0);
hCount++; // Небольшая тяга к аптечкам
}
else if (l.type == MyLootBoxType ::MINE)
{
double dist = dcomp.getDist(l.pos, sdScore);
mScore += 5.0 / (dist + 1.0);
mCount++; // Еще меньшая тяга к минам
}
}
if (hCount > 0)
hpScore = hScore / hCount;
if (mCount > 0)
{
if (unit.mines == 0)
mineScore = 2 * mScore / mCount;
else if (unit.mines == 1)
mineScore = mScore / mCount;
}
mineScore += 5 * std::min(2, unit.mines);
}
double enScore = 0;
if (unit.weapon)
{
for (const MyUnit &en : sim.units)
{
if (en.side == Side::EN)
{
bool enReload = false;
if (en.weapon)
enReload = en.weapon.fireTimerMicrotics > en.weapon.params->fireRateMicrotiks;
double dist = dcomp.getDistM0(en, sdScore);
if (reload && !enReload && en.weapon && en.weapon.magazine > 3 && dist < 10)
{
enScore -= (10 - dist)*2; // Лучше не стоять рядом с врагом при перезарядке
// WRITE_LOG("===")
}
if (unit.health > 80 || unit.health >= en.health || hpScore == 0 /*|| !clBoxes.count(unit.id)*/) // Неплохо бы приблизится к врагу
{
double keepDist = 0;
if ((reload /*|| magazineRel < 0.5*/))
keepDist = 10; // Опять перезарядка
if (en.weapon)
{
const double D = 5;
if (dist < D)
{
bool enCanKill = !enReload && en.weapon.magazine * en.weapon.params->bulletDamage >= unit.health;
bool meCanKill = unit.weapon.magazine * unit.weapon.params->bulletDamage >= en.health;
if (enCanKill && (!meCanKill || unit.weapon.fireTimerMicrotics >= en.weapon.fireTimerMicrotics))
enScore -= (D - dist)*5;
/*WRITE_LOG("KK " << enCanKill << " " << meCanKill << " " << (enCanKill && (!meCanKill || unit.weapon.fireTimerMicrotics >= en.weapon.fireTimerMicrotics)));
WRITE_LOG("KKK1 " << en.weapon.magazine << " " << en.weapon.params->bulletDamage << " " << unit.health);
WRITE_LOG("KKK2 " << unit.weapon.magazine << " " << unit.weapon.params->bulletDamage << " " << en.health);*/
if (unit.weapon.fireTimerMicrotics >= en.weapon.fireTimerMicrotics + 300)
enScore -= (D - dist)*2;
else if (unit.weapon.fireTimerMicrotics <= en.weapon.fireTimerMicrotics - 300)
enScore += (D - dist)*2;
}
}
//if (keepDist == 0 && en.weapon.weaponType == MyWeaponType ::ROCKET_LAUNCHER)
// keepDist = 5;
//else if (magazineRel * unit.weapon.params->fireRateMicrotiks < 500)
// keepDist = 3;
//WRITE_LOG("KD " << keepDist << " " << dist << " " << (50.0 / (std::abs(dist - keepDist) + 5.0)) << " ep " << en.pos << " eh " << en.health);
if (keepDist > 0)
enScore += 50.0 / (std::abs(dist - keepDist) + 5.0) * (unit.health + 20.0) / (en.health + 20.0); // Если что, то да, обе ветки одинаковые (но всегда они были такими)
else
enScore += 50.0 / (dist + 5.0) * (unit.health + 20.0) / (en.health + 20.0);
}
else
{
enScore -= 50.0 / (dist + 5.0);
}
}
}
score += enScore;
}
for (const MyUnit &en : sim.units)
{
if (en.side == Side::EN)
{
if (en.weapon && en.pos.dist(unit.pos) < 5 && dot((unit.pos - en.pos).norm(), en.weapon.lastAngle.norm()) >= 0.5)
{
if (en.weapon.fireTimerMicrotics <= 100 && (!unit.canJump || !unit.canCancel))
{
score -= 10.0;
}
}
}
}
double rlScore = 0;
if (!RLColPoints.empty()) // Держимся подальше от мест, где будут взрываться ракеты
{
BBox bb = unit.getBBox();
bb.expand(getWeaponParams(MyWeaponType::ROCKET_LAUNCHER)->explRadius + 0.1);
for (const auto &p : RLColPoints)
{
if (p.second < 15 && bb.contains(p.first) && curTick <= (p.second + 1))
{
double ticksToExpl = p.second - curTick;
rlScore -= 2.0 * std::max(0.0, (10.0 - p.first.dist(unit.getCenter()))) / (ticksToExpl + 1.0);
//WRITE_LOG("RL " << ticksToExpl << " t " << p.second << " s " << rlScore << " d " << p.first.dist(unit.getCenter()));
//LOG(rlScore);
}
}
}
if (enScore < 0 && unit.health < 100) // Бежим к аптечкам
{
score += hpScore;
}
score += mineScore;
if (curHealth[unit.id] < 100)
score += hpScore * (100 - curHealth[unit.id]) / 200.0;
score += rlScore;
WRITE_LOG("ENS " << enScore << " HPS " << hpScore << " H " << unit.health << " s0 " << s0 << " lb " << lbScore << " rl " << rlScore);
}
else
{
score -= unit.health * 0.5;
if (unit.weapon)
score += unit.weapon.spread * 0.5;
else
score += 1 * 0.5;
}
}
return score;
}
const MyUnit *getNearestEnemy(Simulator &sim, MyStrat &strat, const MyUnit &unit, double sdScore)
{
IP ipos = IP(unit.pos);
DistComputer dcomp(unit, strat);
const MyUnit *nearestEnemy = nullptr;
double dmapDist = 1e9;
for (const MyUnit &other : sim.units)
{
if (other.side != unit.side)
{
double dist = dcomp.getDistM0(other, sdScore);
if (unit.weapon)
{
/*double dt = dot(unit.weapon.lastAngle, (other.pos - unit.pos).norm());
dist += (1.0 - dt) * 1.0;
dist += other.health * 0.1;*/
}
if (dist < dmapDist)
{
dmapDist = dist;
nearestEnemy = &other;
}
}
}
return nearestEnemy;
}
void normalizeAim(MyUnit &unit, const P &lowestAngle, const P &largestAngle) // Стараемся сильно не дергать прицел
{
if (unit.weapon.lastAngle != P(0, 0))
{
bool b1 = isAngleLessThan(lowestAngle, unit.weapon.lastAngle.rotate(-unit.weapon.spread));
bool b2 = isAngleLessThan(unit.weapon.lastAngle.rotate(unit.weapon.spread), largestAngle);
if (!b1 && !b2)
{
unit.action.aim = unit.weapon.lastAngle;
return;
}
if (b1 && b2)
return;
if (b1)
{
double ang = -unrotate(unit.weapon.lastAngle, lowestAngle).getAngleFast();
//assert(ang > unit.weapon.spread);
P newAngle = P(-(ang - unit.weapon.spread) * 0.5);
unit.action.aim = unit.weapon.lastAngle.rotate(newAngle);
}
else if (b2)
{
double ang = unrotate(unit.weapon.lastAngle, largestAngle).getAngleFast();
//assert(ang > unit.weapon.spread);
P newAngle = P((ang - unit.weapon.spread) * 0.5);
unit.action.aim = unit.weapon.lastAngle.rotate(newAngle);
}
}
}
void normalizeAim(MyUnit &unit, const P &enemyPos)
{
if (unit.weapon.lastAngle != P(0, 0))
{
P center = unit.getCenter();
BBox enBox = BBox::fromBottomCenterAndSize(enemyPos, unit.size);
P lowestAngle = (enBox.getCorner(0) - center).norm();
P largestAngle = lowestAngle;
for (int i = 1; i < 4; ++i)
{
P angle = (enBox.getCorner(i) - center).norm();
if (isAngleLessThan(angle, lowestAngle))
lowestAngle = angle;
if (isAngleLessThan(largestAngle, angle))
largestAngle = angle;
}
normalizeAim(unit, lowestAngle, largestAngle);
}
}
bool onLadderOrOnGround(const MyLevel &level, const MyUnit &unit)
{
bool enOnLadder = level.getTileSafe(IP(unit.pos)) == LADDER || level.getTileSafe(IP(unit.pos.x, unit.pos.y + 1)) == LADDER;
if (enOnLadder)
return true;
if ((unit.pos.y - std::floor(unit.pos.y)) < 0.001)
{
bool onGround = wallOrPlatform(level.getTileSafe(IP(unit.pos.x, unit.pos.y - 1)))
|| (wallOrPlatform(level.getTileSafe(IP(unit.pos.x - 1, unit.pos.y - 1))) && level.getTileSafe(IP(unit.pos.x - 1, unit.pos.y)) != WALL)
|| (wallOrPlatform(level.getTileSafe(IP(unit.pos.x + 1, unit.pos.y - 1))) && level.getTileSafe(IP(unit.pos.x + 1, unit.pos.y)) != WALL)
;
return onGround;
}
return false;
}
template<int RAYS_N, bool log>
void computeFire(Simulator &sim, MyStrat &strat, double sdScore, std::optional<P> enemyPosOpt, int unitId = -1)
{
for (MyUnit &unit : sim.units)
{
if (unitId != -1 && unit.id != unitId)
continue;
if (unit.side == Side::ME && unit.weapon)
{
const MyUnit *nearestEnemy = getNearestEnemy(sim, strat, unit, sdScore);
if (!nearestEnemy)
return;
P enemyPos = enemyPosOpt ? *enemyPosOpt : nearestEnemy->pos;
P aim = (enemyPos - unit.pos).norm();
unit.action.aim = aim;
//renderLine(unit.getCenter(), unit.getCenter() + aim * 100, 0xff00ffffu);
normalizeAim(unit, enemyPos);
//unit.action.aim = (enemyPos - bestMyFirePos).norm();
//unit.action.aim = (nearestEnemy->pos - unit.pos).norm();
unit.action.shoot = false;
bool isNearby = unit.pos.dist(nearestEnemy->pos) < 1.5 || (std::abs(unit.pos.x - nearestEnemy->pos.x) < 0.5 && std::abs(unit.pos.y - nearestEnemy->pos.y) < 2.0);
if (!nearestEnemy->canJump || !nearestEnemy->canCancel || onLadderOrOnGround(*sim.level, *nearestEnemy) || isNearby)
{
unit.action.shoot = true;
double spread = unit.weapon.spread;
if (unit.weapon.fireTimerMicrotics <= sim.level->properties.updatesPerTick)
{
//const int RAYS_N = 10;
P ddir = P(spread * 2.0 / (RAYS_N - 1));
P ray = unit.action.aim.rotate(-spread);
P center = unit.getCenter();
MyWeaponParams *wparams = unit.weapon.params;
BBox missile = BBox::fromCenterAndHalfSize(center, wparams->bulletSize * 0.5);
int myUnitsHits = 0;
double enUnitsHits = 0;
for (int i = 0; i < RAYS_N; ++i)
{
P tp = sim.level->bboxWallCollision2(missile, ray);
MyUnit *directHitUnit = nullptr;
double directHitDist = 1e9;
for (MyUnit &mu : sim.units) // direct hit
{
if (mu.id != unit.id)
{
auto [isCollided, colP] = mu.getBBox().rayIntersection(center, ray);
if (isCollided)
{
double d1 = tp.dist2(center);
double d2 = colP.dist2(center);
if (d2 < d1 && d2 < directHitDist)
{
directHitDist = d2;
directHitUnit = μ
}
}
}
}
if (directHitUnit)
{
if (directHitUnit->isMine())
myUnitsHits++;
else
{
BBox b2 = directHitUnit->getBBox();
double dst = std::max(0.0, std::sqrt(directHitDist) - 1.0);
double expD = dst / 10.0;
if (expD > 0.4)
expD = 0.4;
b2.expand(-expD);
auto [isCollided, colP] = b2.rayIntersection(center, ray);
if (isCollided)
{
if (dst / unit.weapon.params->bulletSpeed > 0.1)
{
enUnitsHits += 0.09;
}
else
{
enUnitsHits++;
}
//LOG("EXP " << expD);
}
else
enUnitsHits += 0.09;
}
}
// Explosion damage
if (unit.weapon.weaponType == MyWeaponType ::ROCKET_LAUNCHER)
{
double explRad = wparams->explRadius;
for (MyUnit &mu : sim.units)
{
double dist = tp.maxDist(mu.getCenter());