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Fix npc get only valid direction #688

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merged 3 commits into from
Dec 15, 2022
Merged

Fix npc get only valid direction #688

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d310277
Fix npc get only valid direction
dudantas Dec 11, 2022
80d58cd
sonar
beats-dh Dec 12, 2022
e94e034
Fix sonar
dudantas Dec 14, 2022
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27 changes: 24 additions & 3 deletions src/creatures/npcs/npc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -465,9 +465,9 @@ void Npc::onThinkWalk(uint32_t interval)
return;
}

Direction dir = Position::getRandomDirection();
if (canWalkTo(getPosition(), dir)) {
listWalkDir.push_front(dir);
Direction newDirection;
if (getRandomStep(newDirection)) {
listWalkDir.push_front(newDirection);
addEventWalk();
}

Expand Down Expand Up @@ -562,6 +562,27 @@ bool Npc::getNextStep(Direction& nextDirection, uint32_t& flags) {
return Creature::getNextStep(nextDirection, flags);
}

bool Npc::getRandomStep(Direction& moveDirection) const
{
static std::vector<Direction> directionvector {
Direction::DIRECTION_NORTH,
Direction::DIRECTION_WEST,
Direction::DIRECTION_EAST,
Direction::DIRECTION_SOUTH
};
std::ranges::shuffle(directionvector, getRandomGenerator());

for (const Position& creaturePos = getPosition();
Direction direction : directionvector)
{
if (canWalkTo(creaturePos, direction)) {
moveDirection = direction;
return true;
}
}
return false;
}

void Npc::addShopPlayer(Player* player)
{
shopPlayerSet.insert(player);
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3 changes: 2 additions & 1 deletion src/creatures/npcs/npc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -170,7 +170,8 @@ class Npc final : public Creature
void onPlacedCreature() override;

bool canWalkTo(const Position& fromPos, Direction dir) const;
bool getNextStep(Direction& direction, uint32_t& flags) override;
bool getNextStep(Direction& nextDirection, uint32_t& flags) override;
bool getRandomStep(Direction& moveDirection) const;

void setNormalCreatureLight() override {
internalLight = npcType->info.light;
Expand Down