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(svn r2089) - Codechange: Simplify slopes check in CmdBuildBridge(). Inspired by st3wis' patch 1144746.

This commit is contained in:
pasky 2005-03-27 15:56:54 +00:00
parent 04dc6441aa
commit aafb136cd0
1 changed files with 19 additions and 15 deletions
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34
tunnelbridge_cmd.c
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@ -177,6 +177,7 @@ int32 CmdBuildBridge(int x, int y, uint32 flags, uint32 p1, uint32 p2)
uint direction;
int i;
int32 cost, terraformcost, ret;
bool allow_on_slopes;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
@ -240,34 +241,37 @@ int32 CmdBuildBridge(int x, int y, uint32 flags, uint32 p1, uint32 p2)
_error_message = STR_500C;
/* try and clear the start landscape */
if ((ret=DoCommandByTile(ti_start.tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR)) == CMD_ERROR)
// Towns are not allowed to use bridges on slopes.
allow_on_slopes = ((!_is_ai_player || _patches.ainew_active)
&& _current_player != OWNER_TOWN
&& _patches.build_on_slopes);
/* Try and clear the start landscape */
if ((ret = DoCommandByTile(ti_start.tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR)) == CMD_ERROR)
return CMD_ERROR;
cost = ret;
terraformcost = CheckBridgeSlope(direction, ti_start.tileh, true); // true - bridge-start-tile, false - bridge-end-tile
// towns are not allowed to use bridges on slopes.
if (terraformcost == CMD_ERROR ||
(terraformcost && ((!_patches.ainew_active && _is_ai_player) || _current_player == OWNER_TOWN || !_patches.build_on_slopes)))
// true - bridge-start-tile, false - bridge-end-tile
terraformcost = CheckBridgeSlope(direction, ti_start.tileh, true);
if (terraformcost == CMD_ERROR || (terraformcost && !allow_on_slopes))
return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
cost += terraformcost;
/* try and clear the end landscape */
/* Try and clear the end landscape */
if ((ret=DoCommandByTile(ti_end.tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR)) == CMD_ERROR)
return CMD_ERROR;
cost += ret;
terraformcost = CheckBridgeSlope(direction, ti_end.tileh, false); // false - end tile slope check
// towns are not allowed to use bridges on slopes.
if (terraformcost == CMD_ERROR ||
(terraformcost && ((!_patches.ainew_active && _is_ai_player) || _current_player == OWNER_TOWN || !_patches.build_on_slopes)))
// false - end tile slope check
terraformcost = CheckBridgeSlope(direction, ti_end.tileh, false);
if (terraformcost == CMD_ERROR || (terraformcost && !allow_on_slopes))
return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
cost += terraformcost;
/* do the drill? */
if (flags & DC_EXEC) {
/* build the start tile */