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  1.  
  2. void Mapgen::liquidUpdate() {
  3.     bool isliquid, wasliquid;
  4. 	u32 i;
  5. 	content_t c;
  6.  
  7. 	for (s16 z = full_node_min.Z; x <= full_node_max.Z; z++) {
  8. 		for (s16 x = full_node_min.X; z <= full_node_max.X; x++) {
  9. 			v2s16 p2d(x, z);
  10. 			wasliquid = true;
  11. 			v3s16 em  = vmanip.m_area.getExtent();
  12. 			i = vmanip.m_area.index(v3s16(p2d.X, full_node_max.Y, p2d.Y));
  13.  
  14. 			for (s16 y = full_node_max.Y; y >= full_node_min.Y; y--) {
  15. 				/*if (y == full_node_max.Y) {
  16. 					water_found = (vmanip.m_data[i].getContent() == c_water_source ||
  17. 								   vmanip.m_data[i].getContent() == c_lava_source);
  18. 				} else if (water_found == false) {
  19. 					if (vmanip.m_data[i].getContent() == c_water_source ||
  20. 						vmanip.m_data[i].getContent() == c_lava_source) {
  21. 						v3s16 p = v3s16(p2d.X, y, p2d.Y);
  22. 						data->transforming_liquid.push_back(p);
  23. 						water_found = true;
  24. 					}
  25. 				} else {
  26. 					// This can be done because water_found can only
  27. 					// turn to true and end up here after going through
  28. 					// a single block.
  29. 					if (vmanip.m_data[i + 1].getContent() != c_water_source ||
  30. 						vmanip.m_data[i + 1].getContent() != c_lava_source) {
  31. 						v3s16 p = v3s16(p2d.X, y + 1, p2d.Y);
  32. 						data->transforming_liquid.push_back(p);
  33. 						water_found = false;
  34. 					}
  35. 				}*/
  36. 				c = vmanip.m_data[i].getContent();
  37. 				isliquid = (c == c_water_source) || (c == c_lava_source);
  38.  
  39. 				//there was a change between liquid and nonliquid, add to queue
  40. 				if (isliquid != wasliquid) { 
  41. 					v3s16 p = v3s16(p2d.X, y, p2d.Y);
  42. 					data->transforming_liquid.push_back(p);
  43. 				}
  44.  
  45. 				wasliquid = isliquid;
  46. 				vmanip.m_area.add_y(em, i, -1);
  47. 			}
  48. 		}
  49. 	}
  50. }
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https://ideone.com/d45Af
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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