cpp/openttd-patchpack/source Changeset - r1494:9292d08cb137

Changeset - r1494:9292d08cb137

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pasky - 19 years ago 2005-03-12 08:52:40
pasky@openttd.org

(svn r1998) Give penalty 100 to the AI for using foundations (buildonslopes). This prevents it from building long road lines on foundations unless really necessary.

2 files changed with 11 insertions and 1 deletions:

ai.h

ai_pathfinder.c

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ai.h

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@@ @@ -37,6 +37,8 @@ @@
 #define AI_PATHFINDER_PENALTY 150
 // The penalty given to a tile that is going up
 #define AI_PATHFINDER_TILE_GOES_UP_PENALTY 450
 // The penalty given to a tile which would have to use fundation
 #define AI_PATHFINDER_FOUNDATION_PENALTY 100
 // Changing direction is a penalty, to prevent curved ways (with that: slow ways)
 #define AI_PATHFINDER_DIRECTION_CHANGE_PENALTY 200
 // Same penalty, only for when road already exists

ai_pathfinder.c

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@@ @@ -394,7 +394,11 @@ static int32 AyStar_AiPathFinder_Calcula @@
+	}
 	// We should give a penalty when the tile is going up or down.. this is one way to do so!
 	//  Too bad we have to count it from the parent.. but that is not so bad
 	//  Too bad we have to count it from the parent.. but that is not so bad.
 	// We also dislike long routes on slopes, since they do not look too realistic
 	//  when there is a flat land all around, they are more expensive to build, and
 	//  especially they essentially block the ability to connect or cross the road
 	//  from one side.
 	if (parent_ti.tileh != 0 && parent->path.parent != NULL) {
 		// Skip if the tile was from a bridge or tunnel
 		if (parent->path.node.user_data[0] == 0 && current->user_data[0] == 0) {
@@ @@ -403,12 +407,16 @@ static int32 AyStar_AiPathFinder_Calcula @@
 				// Maybe is BRIDGE_NO_FOUNDATION a bit strange here, but it contains just the right information..
 				if (r >= 15 || (r == 0 && (BRIDGE_NO_FOUNDATION & (1 << ti.tileh)))) {
 					res += AI_PATHFINDER_TILE_GOES_UP_PENALTY;
 				} else {
 					res += AI_PATHFINDER_FOUNDATION_PENALTY;
+				}
 			} else {
 				if (!(IsRoad(parent->path.node.tile) && IsTileType(parent->path.node.tile, MP_TUNNELBRIDGE))) {
 					r = GetRoadFoundation(parent_ti.tileh, AiNew_GetRoadDirection(parent->path.parent->node.tile, parent->path.node.tile, current->tile));
 					if (r >= 15 || r == 0)
 						res += AI_PATHFINDER_TILE_GOES_UP_PENALTY;
 					else
 						res += AI_PATHFINDER_FOUNDATION_PENALTY;
+				}
+			}
+		}

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