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#include "Validator.h"
#include "Puzzle.h"
void Validator::Validate(Puzzle& p) {
// console.log('Validating', puzzle);
p.valid = true; // Assume valid until we find an invalid element
p.invalidElements.clear();
p.negations.clear();
bool puzzleHasSymbols = false;
bool puzzleHasStart = false;
bool puzzleHasEnd = false;
// Validate gap failures as an early exit.
for (int x = 0; x < p.width; x++) {
for (int y = 0; y < p.height; y++) {
Cell cell = p.grid[x][y];
auto decoration = cell.decoration;
if (decoration) {
if (decoration->type == Type::Stone ||
decoration->type == Type::Star ||
decoration->type == Type::Nega ||
decoration->type == Type::Poly ||
decoration->type == Type::Ylop) {
puzzleHasSymbols = true;
continue;
}
if (decoration->type == Type::Triangle) {
int actualCount = 0;
if (p.GetLine(x - 1, y) != Cell::Color::NONE) actualCount++;
if (p.GetLine(x + 1, y) != Cell::Color::NONE) actualCount++;
if (p.GetLine(x, y - 1) != Cell::Color::NONE) actualCount++;
if (p.GetLine(x, y + 1) != Cell::Color::NONE) actualCount++;
if (decoration->count != actualCount) {
// console.log('Triangle at grid['+x+']['+y+'] has', actualCount, 'borders')
p.invalidElements.emplace_back(Pos{x, y});
}
}
}
if (cell.gap != Cell::Gap::NONE && cell.color != Cell::Color::NONE) {
// console.log('Gap at', x, y, 'is covered')
p.valid = false;
}
if (cell.dot != Cell::Dot::NONE) {
if (cell.color == Cell::Color::NONE) {
// console.log('Dot at', x, y, 'is not covered')
p.invalidElements.emplace_back(Pos{x, y});
} else if (cell.color == Cell::Color::BLUE && cell.dot == Cell::Dot::YELLOW) {
// console.log('Yellow dot at', x, y, 'is covered by blue line')
p.valid = false;
} else if (cell.color == Cell::Color::YELLOW && cell.dot == Cell::Dot::BLUE) {
// console.log('Blue dot at', x, y, 'is covered by yellow line')
p.valid = false;
}
}
if (cell.color != Cell::Color::NONE) {
if (cell.start == true) puzzleHasStart = true;
if (cell.end != Cell::Dir::NONE) puzzleHasEnd = true;
}
}
}
if (!puzzleHasStart || !puzzleHasEnd) {
// console.log('There is no covered start or endpoint')
p.valid = false;
}
// Perf optimization: We can skip computing regions if the grid has no symbols.
if (!puzzleHasSymbols) { // No additional symbols, and we already checked dots & gaps
p.valid &= (p.invalidElements.size() == 0);
} else { // Additional symbols, so we need to discard dots & divide them by region
/*
p.invalidElements.clear();
std::vector<Region> regions = p.GetRegions();
// console.log('Found', regions.length, 'regions');
// console.debug(regions);
for (const Region& region : regions) {
std::string key = region.grid.ToString();
auto regionData = puzzle.regionCache[key];
if (regionData == undefined) {
console.log('Cache miss for region', region, 'key', key);
regionData = _regionCheckNegations(puzzle, region);
// Entirely for convenience
regionData.valid = (regionData.invalidElements.size() == 0)
// console.log('Region valid:', regionData.valid);
if (!DISABLE_CACHE) {
p.regionCache[key] = regionData;
}
}
p.negations = p.negations.concat(regionData.negations);
p.invalidElements = p.invalidElements.concat(regionData.invalidElements);
p.valid = p.valid && regionData.valid;
}
*/
}
// console.log('Puzzle has', puzzle.invalidElements.length, 'invalid elements')
}
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