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(svn r3658) Add functions and symbolic names to retrieve road tile types and road pieces

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This commit is contained in:
tron 2006-02-23 08:20:28 +00:00
parent d239ec0e96
commit 2f8e3dcc05
5 changed files with 108 additions and 80 deletions
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7
rail_cmd.c
View File

@ -4,6 +4,7 @@
#include "openttd.h"
#include "debug.h"
#include "functions.h"
#include "road.h"
#include "table/sprites.h"
#include "table/strings.h"
#include "map.h"
@ -348,9 +349,9 @@ int32 CmdBuildSingleRail(int x, int y, uint32 flags, uint32 p1, uint32 p2)
return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION);
if (!EnsureNoVehicle(tile)) return CMD_ERROR;
if ((m5 & 0xF0) == 0 && ( // normal road?
(track == TRACK_DIAG1 && m5 == 0x05) ||
(track == TRACK_DIAG2 && m5 == 0x0A) // correct direction?
if (GetRoadType(tile) == ROAD_NORMAL && (
(track == TRACK_DIAG1 && m5 == ROAD_Y) ||
(track == TRACK_DIAG2 && m5 == ROAD_X) // correct direction?
)) {
if (flags & DC_EXEC) {
_m[tile].m3 = GetTileOwner(tile);

34
road.h Normal file
View File

@ -0,0 +1,34 @@
/* $Id$ */
#ifndef ROAD_H
#define ROAD_H
#include "macros.h"
typedef enum RoadBits {
ROAD_NW = 1,
ROAD_SW = 2,
ROAD_SE = 4,
ROAD_NE = 8,
ROAD_X = ROAD_SW | ROAD_NE,
ROAD_Y = ROAD_NW | ROAD_SE,
ROAD_ALL = ROAD_X | ROAD_Y
} RoadBits;
static inline RoadBits GetRoadBits(TileIndex tile)
{
return GB(_m[tile].m5, 0, 4);
}
typedef enum RoadType {
ROAD_NORMAL,
ROAD_CROSSING,
ROAD_DEPOT
} RoadType;
static inline RoadType GetRoadType(TileIndex tile)
{
return GB(_m[tile].m5, 4, 4);
}
#endif

132
road_cmd.c
View File

@ -2,6 +2,7 @@
#include "stdafx.h"
#include "openttd.h"
#include "road.h"
#include "table/sprites.h"
#include "table/strings.h"
#include "functions.h"
@ -27,17 +28,15 @@ void RoadVehEnterDepot(Vehicle *v);
static bool HasTileRoadAt(TileIndex tile, int i)
{
byte b;
RoadBits b;
switch (GetTileType(tile)) {
case MP_STREET:
b = _m[tile].m5;
switch (GB(b, 4, 4)) {
case 0: break; // normal road
case 1: b = (b & 8 ? 5 : 10); break; // level crossing
case 2: return (~b & 3) == i; // depot
default: return false;
switch (GetRoadType(tile)) {
case ROAD_NORMAL: b = GetRoadBits(tile); break;
case ROAD_CROSSING: b = (_m[tile].m5 & 8 ? ROAD_Y : ROAD_X); break;
case ROAD_DEPOT: return (~_m[tile].m5 & 3) == i;
default: return false;
}
break;
@ -50,7 +49,7 @@ static bool HasTileRoadAt(TileIndex tile, int i)
// bail out, if not a bridge middle part with road underneath
if ((_m[tile].m5 & 0xF8) != 0xE8) return false;
// road direction perpendicular to bridge
b = (_m[tile].m5 & 0x01) ? 10 : 5;
b = (_m[tile].m5 & 0x01) ? ROAD_X : ROAD_Y;
default:
return false;
@ -137,12 +136,13 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
/* true if the roadpiece was always removeable,
* false if it was a center piece. Affects town ratings drop */
bool edge_road;
byte pieces = (byte)p1;
RoadBits pieces;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
/* Road pieces are max 4 bitset values (NE, NW, SE, SW) */
if (pieces >> 4) return CMD_ERROR;
if (p1 >> 4) return CMD_ERROR;
pieces = p1;
FindLandscapeHeight(&ti, x, y);
tile = ti.tile;
@ -179,9 +179,9 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
if (!EnsureNoVehicleZ(tile, TilePixelHeight(tile))) return CMD_ERROR;
if ((ti.map5 & 0xE9) == 0xE8) {
if (pieces & 10) goto return_error;
if (pieces & ROAD_X) goto return_error;
} else if ((ti.map5 & 0xE9) == 0xE9) {
if (pieces & 5) goto return_error;
if (pieces & ROAD_Y) goto return_error;
} else {
goto return_error;
}
@ -201,11 +201,11 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
// removal allowance depends on difficulty setting
if (!CheckforTownRating(flags, t, ROAD_REMOVE)) return CMD_ERROR;
switch (GB(ti.map5, 4, 4)) {
case 0: { // normal road
switch (GetRoadType(ti.tile)) {
case ROAD_NORMAL: {
byte c = pieces, t2;
if (ti.tileh != 0 && (ti.map5 == 5 || ti.map5 == 10)) {
if (ti.tileh != 0 && (ti.map5 == ROAD_Y || ti.map5 == ROAD_X)) {
c |= (c & 0xC) >> 2;
c |= (c & 0x3) << 2;
}
@ -233,15 +233,15 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
return cost;
}
case 1: { // level crossing
case ROAD_CROSSING: {
byte c;
if (!(ti.map5 & 8)) {
c = 2;
if (pieces & 5) goto return_error;
if (pieces & ROAD_Y) goto return_error;
} else {
c = 1;
if (pieces & 10) goto return_error;
if (pieces & ROAD_X) goto return_error;
}
cost = _price.remove_road * 2;
@ -258,7 +258,8 @@ int32 CmdRemoveRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
return cost;
}
default: // depot
default:
case ROAD_DEPOT:
goto return_error;
}
@ -269,14 +270,6 @@ return_error:;
}
enum {
ROAD_NW = 1, // NW road track
ROAD_SW = 2, // SW road track
ROAD_SE = 4, // SE road track
ROAD_NE = 8, // NE road track
ROAD_ALL = (ROAD_NW | ROAD_SW | ROAD_SE | ROAD_NE)
};
static const byte _valid_tileh_slopes_road[3][15] = {
// set of normal ones
{
@ -372,21 +365,22 @@ int32 CmdBuildRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
switch (ti.type) {
case MP_STREET:
switch (GB(ti.map5, 4, 4)) {
case 0: // normal road
if ((pieces & (byte)ti.map5) == pieces) {
switch (GetRoadType(ti.tile)) {
case ROAD_NORMAL:
if ((GetRoadBits(ti.tile) & pieces) == pieces) {
return_cmd_error(STR_1007_ALREADY_BUILT);
}
existing = ti.map5;
break;
case 1: // level crossing
if (pieces != (ti.map5 & 8 ? 5 : 10)) {
case ROAD_CROSSING:
if (pieces != (ti.map5 & 8 ? ROAD_Y : ROAD_X)) { // XXX is this correct?
return_cmd_error(STR_1007_ALREADY_BUILT);
}
goto do_clear;
default: // depot
default:
case ROAD_DEPOT:
goto do_clear;
}
break;
@ -403,10 +397,10 @@ int32 CmdBuildRoad(int x, int y, uint32 flags, uint32 p1, uint32 p2)
}
if (ti.map5 == 2) {
if (pieces & 5) goto do_clear;
if (pieces & ROAD_Y) goto do_clear;
m5 = 0x10;
} else if (ti.map5 == 1) {
if (pieces & 10) goto do_clear;
if (pieces & ROAD_X) goto do_clear;
m5 = 0x18;
} else {
goto do_clear;
@ -468,7 +462,7 @@ do_clear:;
if (cost && (!_patches.build_on_slopes || _is_old_ai_player))
return CMD_ERROR;
if (ti.type != MP_STREET || (ti.map5 & 0xF0) != 0) {
if (ti.type != MP_STREET || GetRoadType(ti.tile) != ROAD_NORMAL) {
cost += DoCommandByTile(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
} else {
// Don't put the pieces that already exist
@ -698,11 +692,9 @@ static int32 RemoveRoadDepot(TileIndex tile, uint32 flags)
static int32 ClearTile_Road(TileIndex tile, byte flags)
{
byte m5 = _m[tile].m5;
switch (GB(_m[tile].m5, 4, 4)) {
case 0: { // normal road
byte b = m5 & 0xF;
switch (GetRoadType(tile)) {
case ROAD_NORMAL: {
RoadBits b = GetRoadBits(tile);
if (!((1 << b) & (M(1)|M(2)|M(4)|M(8))) &&
(!(flags & DC_AI_BUILDING) || !IsTileOwner(tile, OWNER_TOWN)) &&
@ -712,14 +704,12 @@ static int32 ClearTile_Road(TileIndex tile, byte flags)
return DoCommandByTile(tile, b, 0, flags, CMD_REMOVE_ROAD);
}
case 1: { // level crossing
case ROAD_CROSSING: {
int32 ret;
if (flags & DC_AUTO) {
return_cmd_error(STR_1801_MUST_REMOVE_ROAD_FIRST);
}
if (flags & DC_AUTO) return_cmd_error(STR_1801_MUST_REMOVE_ROAD_FIRST);
ret = DoCommandByTile(tile, (m5 & 8 ? 5 : 10), 0, flags, CMD_REMOVE_ROAD);
ret = DoCommandByTile(tile, (_m[tile].m5 & 8 ? ROAD_Y : ROAD_X), 0, flags, CMD_REMOVE_ROAD);
if (CmdFailed(ret)) return CMD_ERROR;
if (flags & DC_EXEC) {
@ -728,7 +718,8 @@ static int32 ClearTile_Road(TileIndex tile, byte flags)
return ret;
}
default: // depot
default:
case ROAD_DEPOT:
if (flags & DC_AUTO) {
return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED);
}
@ -1040,7 +1031,7 @@ static void TileLoop_Road(TileIndex tile)
break;
}
if (_m[tile].m5 & 0xE0) return;
if (GetRoadType(tile) == ROAD_DEPOT) return;
if (GB(_m[tile].m4, 4, 3) < 6) {
t = ClosestTownFromTile(tile, (uint)-1);
@ -1052,7 +1043,7 @@ static void TileLoop_Road(TileIndex tile)
// Show an animation to indicate road work
if (t->road_build_months != 0 &&
!(DistanceManhattan(t->xy, tile) >= 8 && grp == 0) &&
(_m[tile].m5 == 5 || _m[tile].m5 == 10)) {
(_m[tile].m5 == ROAD_Y || _m[tile].m5 == ROAD_X)) {
if (GetTileSlope(tile, NULL) == 0 && EnsureNoVehicle(tile) && CHANCE16(1, 20)) {
_m[tile].m4 |= (GB(_m[tile].m4, 4, 3) <= 2 ? 7 : 6) << 4;
@ -1106,7 +1097,7 @@ void ShowRoadDepotWindow(TileIndex tile);
static void ClickTile_Road(TileIndex tile)
{
if (GB(_m[tile].m5, 4, 4) == 2) ShowRoadDepotWindow(tile);
if (GetRoadType(tile) == ROAD_DEPOT) ShowRoadDepotWindow(tile);
}
static const byte _road_trackbits[16] = {
@ -1122,19 +1113,18 @@ static uint32 GetTileTrackStatus_Road(TileIndex tile, TransportType mode)
case TRANSPORT_ROAD:
switch (GB(_m[tile].m5, 4, 4)) {
case 0: // normal road
if (!_road_special_gettrackstatus && GB(_m[tile].m4, 4, 3) >= 6) {
return 0;
}
return _road_trackbits[GB(_m[tile].m5, 0, 4)] * 0x101;
case ROAD_NORMAL:
return !_road_special_gettrackstatus && GB(_m[tile].m4, 4, 3) >= 6 ?
0 : _road_trackbits[GetRoadBits(tile)] * 0x101;
case 1: { // level crossing
case ROAD_CROSSING: {
uint32 r = (_m[tile].m5 & 8 ? 0x202 : 0x101);
if (_m[tile].m5 & 4) r *= 0x10001;
return r;
}
default: // depot
default:
case ROAD_DEPOT:
break;
}
break;
@ -1145,9 +1135,6 @@ static uint32 GetTileTrackStatus_Road(TileIndex tile, TransportType mode)
}
static const StringID _road_tile_strings[] = {
STR_1818_ROAD_RAIL_LEVEL_CROSSING,
STR_1817_ROAD_VEHICLE_DEPOT,
STR_1814_ROAD,
STR_1814_ROAD,
STR_1814_ROAD,
@ -1160,10 +1147,12 @@ static const StringID _road_tile_strings[] = {
static void GetTileDesc_Road(TileIndex tile, TileDesc *td)
{
int i = GB(_m[tile].m5, 4, 4);
if (i == 0) i = GB(_m[tile].m4, 4, 3) + 3;
td->str = _road_tile_strings[i - 1];
td->owner = GetTileOwner(tile);
switch (GetRoadType(tile)) {
case ROAD_CROSSING: td->str = STR_1818_ROAD_RAIL_LEVEL_CROSSING; break;
case ROAD_DEPOT: td->str = STR_1817_ROAD_VEHICLE_DEPOT; break;
default: td->str = _road_tile_strings[GB(_m[tile].m4, 4, 3)]; break;
}
}
static const byte _roadveh_enter_depot_unk0[4] = {
@ -1172,8 +1161,8 @@ static const byte _roadveh_enter_depot_unk0[4] = {
static uint32 VehicleEnter_Road(Vehicle *v, TileIndex tile, int x, int y)
{
switch (GB(_m[tile].m5, 4, 4)) {
case 1: // level crossing
switch (GetRoadType(tile)) {
case ROAD_CROSSING:
if (v->type == VEH_Train && GB(_m[tile].m5, 2, 1) == 0) {
/* train crossing a road */
SndPlayVehicleFx(SND_0E_LEVEL_CROSSING, v);
@ -1182,7 +1171,7 @@ static uint32 VehicleEnter_Road(Vehicle *v, TileIndex tile, int x, int y)
}
break;
case 2: // depot
case ROAD_DEPOT:
if (v->type == VEH_Road && v->u.road.frame == 11) {
if (_roadveh_enter_depot_unk0[GB(_m[tile].m5, 0, 2)] == v->u.road.state) {
RoadVehEnterDepot(v);
@ -1217,19 +1206,20 @@ static void ChangeTileOwner_Road(TileIndex tile, PlayerID old_player, PlayerID n
if (new_player != OWNER_SPECTATOR) {
SetTileOwner(tile, new_player);
} else {
switch (GB(_m[tile].m5, 4, 4)) {
case 0: // normal road
switch (GetRoadType(tile)) {
case ROAD_NORMAL:
SetTileOwner(tile, OWNER_NONE);
break;
case 1: // level crossing
case ROAD_CROSSING:
_m[tile].m5 = (_m[tile].m5&8) ? 0x5 : 0xA;
SetTileOwner(tile, _m[tile].m3);
_m[tile].m3 = 0;
_m[tile].m4 &= 0x80;
break;
default: // depot
default:
case ROAD_DEPOT:
DoCommandByTile(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
break;
}

9
roadveh_cmd.c
View File

@ -4,6 +4,7 @@
#include "openttd.h"
#include "debug.h"
#include "functions.h"
#include "road.h"
#include "table/strings.h"
#include "map.h"
#include "tile.h"
@ -288,7 +289,7 @@ static bool EnumRoadSignalFindDepot(TileIndex tile, RoadFindDepotData *rfdd, int
tile += TileOffsByDir(_road_pf_directions[track]);
if (IsTileType(tile, MP_STREET) &&
GB(_m[tile].m5, 4, 4) == 2 &&
GetRoadType(tile) == ROAD_DEPOT &&
IsTileOwner(tile, rfdd->owner)) {
if (length < rfdd->best_length) {
@ -978,7 +979,7 @@ static int RoadFindPathToDest(Vehicle *v, TileIndex tile, int enterdir)
}
if (IsTileType(tile, MP_STREET)) {
if (GB(_m[tile].m5, 4, 4) == 2 && IsTileOwner(tile, v->owner)) {
if (GetRoadType(tile) == ROAD_DEPOT && IsTileOwner(tile, v->owner)) {
/* Road depot */
bitmask |= _road_veh_fp_ax_or[GB(_m[tile].m5, 0, 2)];
}
@ -1052,9 +1053,7 @@ static int RoadFindPathToDest(Vehicle *v, TileIndex tile, int enterdir)
} else {
if (IsTileType(desttile, MP_STREET)) {
m5 = _m[desttile].m5;
if ((m5 & 0xF0) == 0x20)
/* We are heading for a Depot */
goto do_it;
if (GetRoadType(desttile) == ROAD_DEPOT) goto do_it;
} else if (IsTileType(desttile, MP_STATION)) {
m5 = _m[desttile].m5;
if (IS_BYTE_INSIDE(m5, 0x43, 0x4B)) {

6
tunnelbridge_cmd.c
View File

@ -7,6 +7,7 @@
#include "stdafx.h"
#include "openttd.h"
#include "road.h"
#include "table/sprites.h"
#include "table/strings.h"
#include "functions.h"
@ -352,7 +353,10 @@ int32 CmdBuildBridge(int x, int y, uint32 flags, uint32 p1, uint32 p2)
break;
case MP_STREET:
if (ti.map5 != (direction == 0 ? 5 : 10)) goto not_valid_below;
if (GetRoadType(ti.tile) != ROAD_NORMAL ||
GetRoadBits(ti.tile) != (direction == 0 ? ROAD_Y : ROAD_X)) {
goto not_valid_below;
}
m5 = 0xE8;
break;