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Codechange: Let the compile generate the master command table out of templated command traits.

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This is using a non-intrusive type-traits like templated system, which
allows compile-time validation that the command table and the command
enum match up.
This commit is contained in:
Michael Lutz
2021-10-05 22:02:27 +02:00
parent 5ddfdc8516
commit 33ca4f2b99
73 changed files with 960 additions and 358 deletions
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13
src/road_cmd.h
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@@ -12,8 +12,21 @@
#include "direction_type.h"
#include "road_type.h"
#include "command_type.h"
void DrawRoadDepotSprite(int x, int y, DiagDirection dir, RoadType rt);
void UpdateNearestTownForRoadTiles(bool invalidate);
CommandProc CmdBuildLongRoad;
CommandProc CmdRemoveLongRoad;
CommandProc CmdBuildRoad;
CommandProc CmdBuildRoadDepot;
CommandProc CmdConvertRoad;
DEF_CMD_TRAIT(CMD_BUILD_LONG_ROAD, CmdBuildLongRoad, CMD_AUTO | CMD_NO_WATER | CMD_DEITY, CMDT_LANDSCAPE_CONSTRUCTION)
DEF_CMD_TRAIT(CMD_REMOVE_LONG_ROAD, CmdRemoveLongRoad, CMD_AUTO | CMD_NO_TEST, CMDT_LANDSCAPE_CONSTRUCTION) // towns may disallow removing road bits (as they are connected) in test, but in exec they're removed and thus removing is allowed.
DEF_CMD_TRAIT(CMD_BUILD_ROAD, CmdBuildRoad, CMD_AUTO | CMD_NO_WATER | CMD_DEITY, CMDT_LANDSCAPE_CONSTRUCTION)
DEF_CMD_TRAIT(CMD_BUILD_ROAD_DEPOT, CmdBuildRoadDepot, CMD_AUTO | CMD_NO_WATER, CMDT_LANDSCAPE_CONSTRUCTION)
DEF_CMD_TRAIT(CMD_CONVERT_ROAD, CmdConvertRoad, 0, CMDT_LANDSCAPE_CONSTRUCTION)
#endif /* ROAD_CMD_H */