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89 lines
2.2 KiB
89 lines
2.2 KiB
1 year ago
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#include "levels/tile_properties.hpp"
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#include "engine/direction.hpp"
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#include "engine/path.h"
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#include "engine/point.hpp"
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#include "gendung.h"
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#include "objects.h"
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namespace devilution {
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bool IsTileNotSolid(Point position)
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{
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if (!InDungeonBounds(position)) {
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return false;
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}
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return !TileHasAny(position, TileProperties::Solid);
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}
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bool IsTileSolid(Point position)
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{
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if (!InDungeonBounds(position)) {
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return false;
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}
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return TileHasAny(position, TileProperties::Solid);
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}
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bool IsTileWalkable(Point position, bool ignoreDoors)
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{
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Object *object = FindObjectAtPosition(position);
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if (object != nullptr) {
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if (ignoreDoors && object->isDoor()) {
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return true;
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}
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if (object->_oSolidFlag) {
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return false;
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}
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}
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return IsTileNotSolid(position);
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}
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bool IsTileOccupied(Point position)
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{
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if (!InDungeonBounds(position)) {
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return true; // OOB positions are considered occupied.
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}
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if (IsTileSolid(position)) {
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return true;
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}
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if (dMonster[position.x][position.y] != 0) {
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return true;
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}
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if (dPlayer[position.x][position.y] != 0) {
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return true;
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}
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if (IsObjectAtPosition(position)) {
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return true;
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}
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return false;
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}
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bool CanStep(Point startPosition, Point destinationPosition)
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{
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// These checks are written as if working backwards from the destination to the source, given
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// both tiles are expected to be adjacent this doesn't matter beyond being a bit confusing
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bool rv = true;
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switch (GetPathDirection(startPosition, destinationPosition)) {
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case 5: // Stepping north
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rv = IsTileNotSolid(destinationPosition + Direction::SouthWest) && IsTileNotSolid(destinationPosition + Direction::SouthEast);
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break;
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case 6: // Stepping east
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rv = IsTileNotSolid(destinationPosition + Direction::SouthWest) && IsTileNotSolid(destinationPosition + Direction::NorthWest);
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break;
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case 7: // Stepping south
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rv = IsTileNotSolid(destinationPosition + Direction::NorthEast) && IsTileNotSolid(destinationPosition + Direction::NorthWest);
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break;
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case 8: // Stepping west
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rv = IsTileNotSolid(destinationPosition + Direction::SouthEast) && IsTileNotSolid(destinationPosition + Direction::NorthEast);
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break;
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}
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return rv;
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}
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} // namespace devilution
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