dungeon_validator.cc

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#include "dungeon_validator.h"
 
#include "absl/strings/str_format.h"
 
namespace yaze {
namespace zelda3 {
 
ValidationResult DungeonValidator::ValidateRoom(const Room& room) {
  ValidationResult result;
 
  // Check object count
  size_t object_count = room.GetTileObjects().size();
  if (object_count > kMaxObjects) {
    result.warnings.push_back(absl::StrFormat(
        "High object count (%zu > %d). May cause lag or memory issues.",
        object_count, kMaxObjects));
  }
 
  // Check sprite count
  size_t sprite_count = room.GetSprites().size();
  if (sprite_count > kMaxTotalSprites) {
    result.warnings.push_back(absl::StrFormat(
        "Too many sprites (%zu > %d). Game limit is strict.", sprite_count,
        kMaxTotalSprites));
  }
 
  // Check chest count (approximate, based on object ID)
  int chest_count = 0;
  for (const auto& obj : room.GetTileObjects()) {
    // Check for Big Chest (0xE4?? No, let's trust standard ranges)
    // ZScream logic for chests:
    // 0xF9 = Small Key Chest
    // 0xFA = Big Key Chest
    // 0xFB = Map Chest
    // 0xFC = Compass Chest
    // 0xFD = Big Chest
    // But simple chest objects are also common.
    // Let's count objects in the 0xF9-0xFD range as chests for now.
    if (obj.id_ >= 0xF9 && obj.id_ <= 0xFD) {
      chest_count++;
    }
  }
 
  if (chest_count > kMaxChests) {
    result.errors.push_back(absl::StrFormat(
        "Too many chests (%d > %d). Item collection flags will conflict.",
        chest_count, kMaxChests));
    result.is_valid = false;
  }
 
  // Check bounds
  for (const auto& obj : room.GetTileObjects()) {
    if (obj.x_ < 0 || obj.x_ >= 64 || obj.y_ < 0 || obj.y_ >= 64) {
      result.errors.push_back(absl::StrFormat(
          "Object 0x%02X out of bounds at (%d, %d)", obj.id_, obj.x_, obj.y_));
      result.is_valid = false;
    }
  }
 
  return result;
}
 
}  // namespace zelda3
}  // namespace yaze