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(svn r11983) -Codechange: Add some helper functions for slopes and use them.

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frosch
2008-01-25 15:47:58 +00:00
parent d13311e710
commit d4dc5e0775
11 changed files with 150 additions and 107 deletions
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12
src/ai/trolly/pathfinder.cpp
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@@ -341,14 +341,11 @@ static void AyStar_AiPathFinder_GetNeighbours(AyStar *aystar, OpenListNode *curr
// Next, check for tunnels!
// Tunnels can only be built on slopes corresponding to the direction
// For now, we check both sides for this tile.. terraforming gives fuzzy result
if ((dir == DIAGDIR_NE && tileh == SLOPE_NE) ||
(dir == DIAGDIR_SE && tileh == SLOPE_SE) ||
(dir == DIAGDIR_SW && tileh == SLOPE_SW) ||
(dir == DIAGDIR_NW && tileh == SLOPE_NW)) {
if (tileh == InclinedSlope(dir)) {
// Now simply check if a tunnel can be build
ret = AI_DoCommand(tile, (PathFinderInfo->rail_or_road?0:0x200), 0, DC_AUTO, CMD_BUILD_TUNNEL);
tileh = GetTileSlope(_build_tunnel_endtile, NULL);
if (CmdSucceeded(ret) && (tileh == SLOPE_SW || tileh == SLOPE_SE || tileh == SLOPE_NW || tileh == SLOPE_NE)) {
if (CmdSucceeded(ret) && IsInclinedSlope(tileh)) {
aystar->neighbours[aystar->num_neighbours].tile = _build_tunnel_endtile;
aystar->neighbours[aystar->num_neighbours].user_data[0] = AI_PATHFINDER_FLAG_TUNNEL + (dir << 8);
aystar->neighbours[aystar->num_neighbours++].direction = 0;
@@ -400,10 +397,9 @@ static int32 AyStar_AiPathFinder_CalculateG(AyStar *aystar, AyStarNode *current,
if (parent_tileh != SLOPE_FLAT && 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) {
static const uint32 SLOPED_TILEHS = (1 << SLOPE_NW) | (1 << SLOPE_SW) | (1 << SLOPE_SE) | (1 << SLOPE_NE);
if (PathFinderInfo->rail_or_road) {
Foundation f = GetRailFoundation(parent_tileh, (TrackBits)(1 << AiNew_GetRailDirection(parent->path.parent->node.tile, parent->path.node.tile, current->tile)));
if (IsInclinedFoundation(f) || (!IsFoundation(f) && HasBit(SLOPED_TILEHS, parent_tileh))) {
if (IsInclinedFoundation(f) || (!IsFoundation(f) && IsInclinedSlope(parent_tileh))) {
res += AI_PATHFINDER_TILE_GOES_UP_PENALTY;
} else {
res += AI_PATHFINDER_FOUNDATION_PENALTY;
@@ -411,7 +407,7 @@ static int32 AyStar_AiPathFinder_CalculateG(AyStar *aystar, AyStarNode *current,
} else {
if (!IsRoad(parent->path.node.tile) || !IsTileType(parent->path.node.tile, MP_TUNNELBRIDGE)) {
Foundation f = GetRoadFoundation(parent_tileh, (RoadBits)AiNew_GetRoadDirection(parent->path.parent->node.tile, parent->path.node.tile, current->tile));
if (IsInclinedFoundation(f) || (!IsFoundation(f) && HasBit(SLOPED_TILEHS, parent_tileh))) {
if (IsInclinedFoundation(f) || (!IsFoundation(f) && IsInclinedSlope(parent_tileh))) {
res += AI_PATHFINDER_TILE_GOES_UP_PENALTY;
} else {
res += AI_PATHFINDER_FOUNDATION_PENALTY;