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Eddi · 12.12.2009 00:11

Das größte Problem an den Brücken ist daß der Darstellungsalgorithmus sehr eingeschränkt ist. Auszug aus src/tunnelbridge_cmd.cpp

Code:

/** Compute bridge piece. Computes the bridge piece to display depending on the position inside the bridge.

 * bridges pieces sequence (middle parts).

 * Note that it is not covering the bridge heads, which are always referenced by the same sprite table.

 * bridge len 1: BRIDGE_PIECE_NORTH

 * bridge len 2: BRIDGE_PIECE_NORTH  BRIDGE_PIECE_SOUTH

 * bridge len 3: BRIDGE_PIECE_NORTH  BRIDGE_PIECE_MIDDLE_ODD   BRIDGE_PIECE_SOUTH

 * bridge len 4: BRIDGE_PIECE_NORTH  BRIDGE_PIECE_INNER_NORTH  BRIDGE_PIECE_INNER_SOUTH  BRIDGE_PIECE_SOUTH

 * bridge len 5: BRIDGE_PIECE_NORTH  BRIDGE_PIECE_INNER_NORTH  BRIDGE_PIECE_MIDDLE_EVEN  BRIDGE_PIECE_INNER_SOUTH  BRIDGE_PIECE_SOUTH

 * bridge len 6: BRIDGE_PIECE_NORTH  BRIDGE_PIECE_INNER_NORTH  BRIDGE_PIECE_INNER_SOUTH  BRIDGE_PIECE_INNER_NORTH  BRIDGE_PIECE_INNER_SOUTH  BRIDGE_PIECE_SOUTH

 * bridge len 7: BRIDGE_PIECE_NORTH  BRIDGE_PIECE_INNER_NORTH  BRIDGE_PIECE_INNER_SOUTH  BRIDGE_PIECE_MIDDLE_ODD   BRIDGE_PIECE_INNER_NORTH  BRIDGE_PIECE_INNER_SOUTH  BRIDGE_PIECE_SOUTH

 * #0 - always as first, #1 - always as last (if len>1)

 * #2,#3 are to pair in order

 * for odd bridges: #5 is going in the bridge middle if on even position, #4 on odd (counting from 0)

 * @param north Northernmost tile of bridge

 * @param south Southernmost tile of bridge

 * @return Index of bridge piece

 */

static BridgePieces CalcBridgePiece(uint north, uint south)

Also: Brückenlänge durch 2 oder 4 teilbar:
/\/\
Brückenlänge Rest 1 bei Division durch 4:
/\_/\
Brückenlänge Rest 3 bei Division durch 4:
/\/─\/\
wobei die /\-Paare beliebig wiederholt werden, und die Endstücken gesondert behandelt werden.

Es ist der lange gehegte Wunsch, das durch ein GRF-Callback zu ersetzen, aber implementiert hats noch keiner.

Baumstrukturmodus \| Linearer Modus Brücken
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