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(svn r1731) - Fix: [ 1106930 ] BugFix: placing signals with 2x1 drags workaround is completely rewritten. Also features checks for hacked/modified clients. Thanks a lot Hackykid!

Browse Source
pull/155/head
darkvater 20 years ago
parent 0cfb483677
commit d3e3965f0b
4 changed files with 137 additions and 216 deletions
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25
command.c
Unescape Escape View File

@ -22,8 +22,8 @@ DEF_COMMAND(CmdBuildRailroadStation);
DEF_COMMAND(CmdRemoveFromRailroadStation);
DEF_COMMAND(CmdConvertRail);
DEF_COMMAND(CmdBuildSignals);
DEF_COMMAND(CmdRemoveSignals);
DEF_COMMAND(CmdBuildSingleSignal);
DEF_COMMAND(CmdRemoveSingleSignal);
DEF_COMMAND(CmdTerraformLand);
@ -163,7 +163,8 @@ DEF_COMMAND(CmdRefitRailVehicle);
DEF_COMMAND(CmdStartScenario);
DEF_COMMAND(CmdBuildManySignals);
DEF_COMMAND(CmdBuildSignalTrack);
DEF_COMMAND(CmdRemoveSignalTrack);
DEF_COMMAND(CmdReplaceVehicle);
@ -177,8 +178,8 @@ static CommandProc * const _command_proc_table[] = {
CmdBuildBridge, /* 5 */
CmdBuildRailroadStation, /* 6 */
CmdBuildTrainDepot, /* 7 */
CmdBuildSignals, /* 8 */
CmdRemoveSignals, /* 9 */
CmdBuildSingleSignal, /* 8 */
CmdRemoveSingleSignal, /* 9 */
CmdTerraformLand, /* 10 */
CmdPurchaseLandArea, /* 11 */
CmdSellLandArea, /* 12 */
@ -302,12 +303,14 @@ static CommandProc * const _command_proc_table[] = {
CmdRestoreOrderIndex, /* 107 */
CmdBuildLock, /* 108 */
CmdStartScenario, /* 109 */
CmdBuildManySignals, /* 110 */
//CmdDestroyIndustry, /* 109 */
CmdDestroyCompanyHQ, /* 111 */
CmdGiveMoney, /* 112 */
CmdChangePatchSetting, /* 113 */
CmdReplaceVehicle, /* 114 */
CmdBuildSignalTrack, /* 110 */
CmdRemoveSignalTrack, /* 111 */
CmdDestroyCompanyHQ, /* 112 */
CmdGiveMoney, /* 113 */
CmdChangePatchSetting, /* 114 */
CmdReplaceVehicle, /* 115 */
//CmdDestroyIndustry, /* 109 */
};
/* This function range-checks a cmd, and checks if the cmd is not NULL */

13
command.h
Unescape Escape View File

@ -141,14 +141,15 @@ enum {
CMD_BUILD_LOCK = 108,
CMD_START_SCENARIO = 109,
CMD_BUILD_MANY_SIGNALS = 110,
CMD_BUILD_SIGNAL_TRACK = 110,
CMD_REMOVE_SIGNAL_TRACK = 111,
//CMD_DESTROY_INDUSTRY = 109,
CMD_DESTROY_COMPANY_HQ = 111,
CMD_GIVE_MONEY = 112,
CMD_CHANGE_PATCH_SETTING = 113,
CMD_DESTROY_COMPANY_HQ = 112,
CMD_GIVE_MONEY = 113,
CMD_CHANGE_PATCH_SETTING = 114,
CMD_REPLACE_VEHICLE = 114,
CMD_REPLACE_VEHICLE = 115,
//CMD_DESTROY_INDUSTRY = 109,
};
enum {

216
rail_cmd.c
Unescape Escape View File

@ -512,64 +512,99 @@ skip_mark_dirty:;
static const struct {
int8 xinc[16];
int8 yinc[16];
byte initial[16];
} _railbit = {{
// 0 1 2 3 4 5
16, 0,-16, 0, 16, 0, 0, 0,
-16, 0, 0, 16, 0,-16, 0, 0,
// 0 1 2 3 4 5
-16, 0,-16, 0, 16, 0, 0, 0,
16, 0, 0, 16, 0,-16, 0, 0,
},{
0, 16, 0, 16, 0, 16, 0, 0,
0, -16, -16, 0,-16, 0, 0, 0,
},{
5, 1, 0, 4, // normal
2, 1, 8|0, 3, // x > sx
8|2, 8|1, 0, 8|3, // y > sy
8|5, 8|1, 8|0, 8|4, // x > sx && y > sy
0, 16, 0, 16, 0, 16, 0, 0,
0,-16,-16, 0,-16, 0, 0, 0,
}};
static int32 ValidateAutoDrag(int *railbit, int x, int y, int ex, int ey)
{
int dx, dy, trdx, trdy;
/* Build either NE or NW sequence of tracks.
* p1 0:15 - end pt X
* p1 16:31 - end pt y
*
* p2 0:3 - rail type
* p2 4:7 - rail direction
*/
if (*railbit > 5) return CMD_ERROR; // only 6 possible track-combinations
// calculate delta x,y from start to end tile
dx = ex - x;
dy = ey - y;
int32 CmdBuildRailroadTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2)
// calculate delta x,y for the first direction
trdx = _railbit.xinc[*railbit];
trdy = _railbit.yinc[*railbit];
if (*railbit & 0x6) {
trdx += _railbit.xinc[*railbit ^ 1];
trdy += _railbit.yinc[*railbit ^ 1];
}
// validate the direction
while (((trdx <= 0) && (dx > 0)) || ((trdx >= 0) && (dx < 0)) ||
((trdy <= 0) && (dy > 0)) || ((trdy >= 0) && (dy < 0))) {
if (*railbit < 8) { // first direction is invalid, try the other
SETBIT(*railbit, 3);
trdx = -trdx;
trdy = -trdy;
} else // other direction is invalid too, invalid drag
return CMD_ERROR;
}
// (for diagonal tracks, this is already made sure of by above test), but:
// for non-diagonal tracks, check if the start and end tile are on 1 line
if (*railbit & 0x6) {
trdx = _railbit.xinc[*railbit];
trdy = _railbit.yinc[*railbit];
if ((abs(dx) != abs(dy)) && (abs(dx) + abs(trdy) != abs(dy) + abs(trdx)))
return CMD_ERROR;
}
return 0;
}
/* Build a stretch of railroad tracks.
* x,y= start tile
* p1 = end tile
* p2 = (bit 0-3) - railroad type normal/maglev
* p2 = (bit 4-6) - track-orientation, valid values: 0-5
* p2 = (bit 7) - 0 = build, 1 = remove tracks
*/
static int32 CmdRailTrackHelper(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
int sx, sy;
int ex, ey;
int32 ret, total_cost = 0;
int railbit;
int railbit = (p2 >> 4) & 7;
byte mode = HASBIT(p2, 7);
/* unpack end point */
ex = TileX(p1) * 16;
ey = TileY(p1) * 16;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
if (flags & DC_EXEC)
SndPlayTileFx(SND_20_SPLAT_2, TILE_FROM_XY(x,y));
/* unpack end point */
sx = (p1 & 0xFFFF) & ~0xF;
sy = (p1 >> 16) & ~0xF;
railbit = _railbit.initial[(p2 >> 4) + (x > sx ? 4 : 0) + (y > sy ? 8 : 0)];
if (ValidateAutoDrag(&railbit, x, y, ex, ey) == CMD_ERROR)
return CMD_ERROR;
for(;;) {
ret = DoCommand(x, y, p2&0xF, railbit&7, flags, CMD_BUILD_SINGLE_RAIL);
ret = DoCommand(x, y, p2&0x3, railbit&7, flags, (mode == 0) ? CMD_BUILD_SINGLE_RAIL : CMD_REMOVE_SINGLE_RAIL);
if (ret == CMD_ERROR) {
if (_error_message != STR_1007_ALREADY_BUILT)
if ((_error_message != STR_1007_ALREADY_BUILT) && (mode == 0))
break;
} else
total_cost += ret;
if (x == sx && y == sy)
if (x == ex && y == ey)
break;
x += _railbit.xinc[railbit];
y += _railbit.yinc[railbit];
// toggle railbit for the diagonal tiles
// toggle railbit for the non-diagonal tracks
if (railbit & 0x6) railbit ^= 1;
}
@ -579,48 +614,14 @@ int32 CmdBuildRailroadTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2)
return total_cost;
}
/* Remove either NE or NW sequence of tracks.
* p1 0:15 - start pt X
* p1 16:31 - start pt y
*
* p2 0:3 - rail type
* p2 4:7 - rail direction
*/
int32 CmdBuildRailroadTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
return CmdRailTrackHelper(x, y, flags, p1, p2);
}
int32 CmdRemoveRailroadTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
int sx, sy;
int32 ret, total_cost = 0;
int railbit;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
if (flags & DC_EXEC)
SndPlayTileFx(SND_20_SPLAT_2, TILE_FROM_XY(x,y));
/* unpack start point */
sx = (p1 & 0xFFFF) & ~0xF;
sy = (p1 >> 16) & ~0xF;
railbit = _railbit.initial[(p2 >> 4) + (x > sx ? 4 : 0) + (y > sy ? 8 : 0)];
for(;;) {
ret = DoCommand(x, y, p2&0xF, railbit&7, flags, CMD_REMOVE_SINGLE_RAIL);
if (ret != CMD_ERROR) total_cost += ret;
if (x == sx && y == sy)
break;
x += _railbit.xinc[railbit];
y += _railbit.yinc[railbit];
// toggle railbit for the diagonal tiles
if (railbit & 0x6) railbit ^= 1;
}
if (total_cost == 0)
return CMD_ERROR;
return total_cost;
return CmdRailTrackHelper(x, y, flags, p1, SETBIT(p2, 7));
}
/* Build a train depot
@ -870,7 +871,7 @@ int32 CmdRenameWaypoint(int x, int y, uint32 flags, uint32 p1, uint32 p2)
* depending on context
* p2 = used for CmdBuildManySignals() to copy style of first signal
*/
int32 CmdBuildSignals(int x, int y, uint32 flags, uint32 p1, uint32 p2)
int32 CmdBuildSingleSignal(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
TileIndex tile = TILE_FROM_XY(x, y);
bool semaphore;
@ -992,68 +993,45 @@ int32 CmdBuildSignals(int x, int y, uint32 flags, uint32 p1, uint32 p2)
}
/* Build many signals by dragging: AutoSignals
x,y= start tile
p1 = end tile
p2 = (byte 0) - 0 = build, 1 = remove signals
p2 = (byte 3) - 0 = signals, 1 = semaphores
p2 = (byte 7-4) - track-orientation
p2 = (byte 8-) - track style
p2 = (byte 24-31) - user defined signals_density
* x,y = start tile
* p1 = end tile
* p2 = (bit 0) - 0 = build, 1 = remove signals
* p2 = (bit 3) - 0 = signals, 1 = semaphores
* p2 = (bit 4-6) - track-orientation, valid values: 0-5
* p2 = (bit 24-31) - user defined signals_density
*/
int32 CmdBuildManySignals(int x, int y, uint32 flags, uint32 p1, uint32 p2)
static int32 CmdSignalTrackHelper(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
int ex, ey, railbit;
int ex, ey;
int railbit = (p2 >> 4) & 7;
bool error = true;
TileIndex tile = TILE_FROM_XY(x, y);
int32 ret, total_cost, signal_ctr;
byte m5, semaphores = (HASBIT(p2, 3)) ? 8 : 0;
int mode = (p2 >> 4)&0xF;
int mode = p2 & 0x1;
// for vertical/horizontal tracks, double the given signals density
// since the original amount will be too dense (shorter tracks)
byte signal_density = (mode == 1 || mode == 2) ? (p2 >> 24) : (p2 >> 24) * 2;
byte signals = (p2 >> 8)&0xFF;
mode = p2 & 0x1; // build/remove signals
byte signal_density = (railbit & 0x6) ? (p2 >> 24) * 2: (p2 >> 24);
byte signals;
SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
/* unpack end tile */
// unpack end tile
ex = TileX(p1) * 16;
ey = TileY(p1) * 16;
railbit = _railbit.initial[((p2 >> 4)&0xF) + (x > ex ? 4 : 0) + (y > ey ? 8 : 0)];
if (ValidateAutoDrag(&railbit, x, y, ex, ey) == CMD_ERROR)
return CMD_ERROR;
// copy the signal-style of the first rail-piece if existing
m5 = _map5[tile];
if (!(m5 & RAIL_TYPE_SPECIAL) && (m5 & RAIL_BIT_MASK) && (m5 & RAIL_TYPE_SIGNALS)) {
if (m5 & 0x3) // X,Y direction tracks
signals = _map3_lo[tile]&0xC0;
else {
/* W-E or N-S direction, only copy the side which was chosen, leave
* the other side alone */
switch (signals) {
case 0x20: case 8: /* east corner (N-S), south corner (W-E) */
if (_map3_lo[tile]&0x30)
signals = _map3_lo[tile]&0x30;
else
signals = 0x30 | (_map3_lo[tile]&0xC0);
break;
case 0x10: case 4: /* west corner (N-S), north corner (W-E) */
if (_map3_lo[tile]&0xC0)
signals = _map3_lo[tile]&0xC0;
else
signals = 0xC0 | (_map3_lo[tile]&0x30);
break;
}
}
signals = _map3_lo[tile] & _signals_table_both[railbit];
if (signals == 0) signals = _signals_table_both[railbit];
semaphores = (_map3_hi[tile] & ~3) ? 8 : 0; // copy signal/semaphores style (independent of CTRL)
} else { // no signals exist, drag a two-way signal stretch
switch (signals) {
case 0x20: case 8: /* east corner (N-S), south corner (W-E) */
signals = 0x30; break;
case 0x10: case 4: /* west corner (N-S), north corner (W-E) */
signals = 0xC0;
}
signals = _signals_table_both[railbit];
}
/* signal_density_ctr - amount of tiles already processed
@ -1089,19 +1067,25 @@ int32 CmdBuildManySignals(int x, int y, uint32 flags, uint32 p1, uint32 p2)
y += _railbit.yinc[railbit];
signal_ctr++;
// toggle railbit for the diagonal tiles (|, -- tracks)
// toggle railbit for the non-diagonal tracks (|, -- tracks)
if (railbit & 0x6) railbit ^= 1;
}
return (error) ? CMD_ERROR : total_cost;
}
/* Stub for the unified Signal builder/remover */
int32 CmdBuildSignalTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
return CmdSignalTrackHelper(x, y, flags, p1, p2);
}
/* Remove signals
* p1 bits 0..2 = track
* p2 = unused
*/
int32 CmdRemoveSignals(int x, int y, uint32 flags, uint32 p1, uint32 p2)
int32 CmdRemoveSingleSignal(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
TileInfo ti;
uint tile;
@ -1159,6 +1143,12 @@ int32 CmdRemoveSignals(int x, int y, uint32 flags, uint32 p1, uint32 p2)
return _price.remove_signals;
}
/* Stub for the unified Signal builder/remover */
int32 CmdRemoveSignalTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2)
{
return CmdSignalTrackHelper(x, y, flags, p1, SETBIT(p2, 1));
}
typedef int32 DoConvertRailProc(uint tile, uint totype, bool exec);
static int32 DoConvertRail(uint tile, uint totype, bool exec)

99
rail_gui.c
Unescape Escape View File

@ -309,117 +309,45 @@ static void BuildRailClick_Landscaping(Window *w)
ShowTerraformToolbar();
}
static void DoRailroadTrack(int mode)
{
DoCommandP(TILE_FROM_XY(_thd.selstart.x, _thd.selstart.y), PACK_POINT(_thd.selend.x, _thd.selend.y), (mode << 4) | _cur_railtype, NULL,
DoCommandP(TILE_FROM_XY(_thd.selstart.x, _thd.selstart.y), TILE_FROM_XY(_thd.selend.x, _thd.selend.y), _cur_railtype | (mode << 4), NULL,
_remove_button_clicked ?
CMD_REMOVE_RAILROAD_TRACK | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1012_CAN_T_REMOVE_RAILROAD_TRACK) :
CMD_BUILD_RAILROAD_TRACK | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1011_CAN_T_BUILD_RAILROAD_TRACK)
CMD_BUILD_RAILROAD_TRACK | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1011_CAN_T_BUILD_RAILROAD_TRACK)
);
}
// This function is more or less a hack because DoRailroadTrack() would otherwise screw up
static void SwapSelection(void)
{
TileHighlightData *thd = &_thd;
Point pt = thd->selstart;
thd->selstart.x = thd->selend.x & ~0xF;
thd->selstart.y = thd->selend.y & ~0xF;
thd->selend = pt;
}
static void HandleAutodirPlacement(void)
{
TileHighlightData *thd = &_thd;
int bit;
int dx = thd->selstart.x - (thd->selend.x&~0xF);
int dy = thd->selstart.y - (thd->selend.y&~0xF);
int trackstat = thd->drawstyle & 0xF; // 0..5
if (thd->drawstyle & HT_RAIL) { // one tile case
bit = thd->drawstyle & 0xF;
GenericPlaceRail(TILE_FROM_XY(thd->selend.x, thd->selend.y), bit);
} else if ( !(thd->drawstyle & 0xE) ) { // x/y dir
if (dx == 0) { // Y dir
DoRailroadTrack(1);
} else {
DoRailroadTrack(2);
}
} else if (myabs(dx)+myabs(dy) >= 32) { // long line (more than 2 tiles)
if(thd->drawstyle == (HT_LINE | HT_DIR_HU))
DoRailroadTrack(0);
if(thd->drawstyle == (HT_LINE | HT_DIR_HL))
DoRailroadTrack(3);
if(thd->drawstyle == (HT_LINE | HT_DIR_VL))
DoRailroadTrack(3);
if(thd->drawstyle == (HT_LINE | HT_DIR_VR))
DoRailroadTrack(0);
} else { // 2x1 pieces line
if(thd->drawstyle == (HT_LINE | HT_DIR_HU)) {
DoRailroadTrack(0);
} else if (thd->drawstyle == (HT_LINE | HT_DIR_HL)) {
SwapSelection();
DoRailroadTrack(0);
SwapSelection();
} else if (thd->drawstyle == (HT_LINE | HT_DIR_VL)) {
if(dx == 0) {
SwapSelection();
DoRailroadTrack(0);
SwapSelection();
} else {
DoRailroadTrack(3);
}
} else if (thd->drawstyle == (HT_LINE | HT_DIR_VR)) {
if(dx == 0) {
DoRailroadTrack(0);
} else {
SwapSelection();
DoRailroadTrack(3);
SwapSelection();
}
}
GenericPlaceRail(TILE_FROM_XY(thd->selend.x, thd->selend.y), trackstat);
return;
}
DoRailroadTrack(trackstat);
}
static void HandleAutoSignalPlacement(void)
{
TileHighlightData *thd = &_thd;
int mode = 0;
uint trackstat = 0;
int dx = thd->selstart.x - (thd->selend.x&~0xF);
int dy = thd->selstart.y - (thd->selend.y&~0xF);
byte trackstat = thd->drawstyle & 0xF; // 0..5
if (thd->drawstyle == HT_RECT) { // one tile case
GenericPlaceSignals(TILE_FROM_XY(thd->selend.x, thd->selend.y));
return;
}
if (!(thd->drawstyle & 0xE)) { // X/Y direction
mode = (dx == 0) ? VPM_FIX_X : VPM_FIX_Y;
trackstat = 0xC0;
} else if (myabs(dx) + myabs(dy) >= 32) { // long line (more than 2 tiles)
mode = ((thd->drawstyle & 0xF) == HT_DIR_HU || (thd->drawstyle & 0xF) == HT_DIR_VR) ? 0 : 3;
if (dx == dy || abs(dx - dy) == 16) // North<->South track |
trackstat = (thd->drawstyle & 1) ? 0x20 : 0x10;
else if (dx == -dy || abs(dx + dy) == 16) // East<->West track --
trackstat = (thd->drawstyle & 1) ? 8 : 4;
} else { // 2x1 pieces line
GenericPlaceSignals(TILE_FROM_XY(thd->selstart.x, thd->selstart.y));
return;
}
// _patches.drag_signals_density is given as a parameter such that each user in a network
// game can specify his/her own signal density
DoCommandP(TILE_FROM_XY(thd->selstart.x, thd->selstart.y), TILE_FROM_XY(thd->selend.x, thd->selend.y),
(mode << 4) | (_remove_button_clicked | _ctrl_pressed) | (trackstat << 8) | (_patches.drag_signals_density << 24),
(_ctrl_pressed ? 1 << 3 : 0) | (trackstat << 4) | (_patches.drag_signals_density << 24),
CcPlaySound1E,
(_remove_button_clicked ? CMD_BUILD_MANY_SIGNALS | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1013_CAN_T_REMOVE_SIGNALS_FROM) :
CMD_BUILD_MANY_SIGNALS | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1010_CAN_T_BUILD_SIGNALS_HERE) ) );
(_remove_button_clicked ? CMD_REMOVE_SIGNAL_TRACK | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1013_CAN_T_REMOVE_SIGNALS_FROM) :
CMD_BUILD_SIGNAL_TRACK | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_1010_CAN_T_BUILD_SIGNALS_HERE) ) );
}
static OnButtonClick * const _build_railroad_button_proc[] = {
@ -527,9 +455,8 @@ static void BuildRailToolbWndProc(Window *w, WindowEvent *e)
DoCommandP(end_tile, start_tile, _cur_railtype, CcPlaySound10, CMD_LEVEL_LAND | CMD_AUTO);
} else if (e->place.userdata == VPM_X_AND_Y_LIMITED) {
HandleStationPlacement(start_tile, end_tile);
} else {
DoRailroadTrack(e->place.userdata);
}
} else
DoRailroadTrack(e->place.userdata & 1);
}
break;

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