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#include "level.h"
Level::Level(int width, int height)
: m_width(width), m_height(height)
{
m_tiles = new uint8_t[width * height];
memset(m_tiles, 0, width * height);
}
uint8_t Level::get(int x, int y)
{
if (inBounds(x, y)) {
return m_tiles[x + y * m_width];
} else {
return 0;
}
}
void Level::set(int x, int y, uint8_t tile)
{
if (inBounds(x, y))
m_tiles[x + y * m_width] = tile;
}
RailDirection ChooseDirection(Level& level, int x, int y)
{
if (!level.inBounds(x, y)) return NorthSouth;
bool n = level.get(x, y - 1) > 0;
bool e = level.get(x + 1, y) > 0;
bool s = level.get(x, y + 1) > 0;
bool w = level.get(x - 1, y) > 0;
if ((n || s) && !(e || w)) {
return NorthSouth;
}
if ((e || w) && !(n || s)) {
return EastWest;
}
else if (s && e) {
return SouthEast;
}
else if (s && w) {
return SouthWest;
}
else if (n && w) {
return NorthWest;
}
else if (n && e) {
return NorthEast;
}
return NorthSouth;
}
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