00001
00002
00021 #include "stdafx.h"
00022 #include "openttd.h"
00023 #include "landscape.h"
00024 #include "viewport_func.h"
00025 #include "station_base.h"
00026 #include "town.h"
00027 #include "signs_base.h"
00028 #include "signs_func.h"
00029 #include "variables.h"
00030 #include "vehicle_base.h"
00031 #include "vehicle_gui.h"
00032 #include "blitter/factory.hpp"
00033 #include "transparency.h"
00034 #include "strings_func.h"
00035 #include "zoom_func.h"
00036 #include "vehicle_func.h"
00037 #include "company_func.h"
00038 #include "station_func.h"
00039 #include "window_func.h"
00040 #include "tilehighlight_func.h"
00041 #include "window_gui.h"
00042
00043 #include "table/sprites.h"
00044 #include "table/strings.h"
00045
00046 PlaceProc *_place_proc;
00047 Point _tile_fract_coords;
00048
00049 struct StringSpriteToDraw {
00050 StringID string;
00051 uint16 colour;
00052 int32 x;
00053 int32 y;
00054 uint64 params[2];
00055 uint16 width;
00056 };
00057
00058 struct TileSpriteToDraw {
00059 SpriteID image;
00060 SpriteID pal;
00061 const SubSprite *sub;
00062 int32 x;
00063 int32 y;
00064 };
00065
00066 struct ChildScreenSpriteToDraw {
00067 SpriteID image;
00068 SpriteID pal;
00069 const SubSprite *sub;
00070 int32 x;
00071 int32 y;
00072 int next;
00073 };
00074
00076 struct ParentSpriteToDraw {
00077 SpriteID image;
00078 SpriteID pal;
00079 const SubSprite *sub;
00080
00081 int32 x;
00082 int32 y;
00083
00084 int32 left;
00085 int32 top;
00086
00087 int32 xmin;
00088 int32 xmax;
00089 int32 ymin;
00090 int32 ymax;
00091 int zmin;
00092 int zmax;
00093
00094 int first_child;
00095 bool comparison_done;
00096 };
00097
00099 enum FoundationPart {
00100 FOUNDATION_PART_NONE = 0xFF,
00101 FOUNDATION_PART_NORMAL = 0,
00102 FOUNDATION_PART_HALFTILE = 1,
00103 FOUNDATION_PART_END
00104 };
00105
00106 typedef SmallVector<TileSpriteToDraw, 64> TileSpriteToDrawVector;
00107 typedef SmallVector<StringSpriteToDraw, 4> StringSpriteToDrawVector;
00108 typedef SmallVector<ParentSpriteToDraw, 64> ParentSpriteToDrawVector;
00109 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
00110 typedef SmallVector<ChildScreenSpriteToDraw, 16> ChildScreenSpriteToDrawVector;
00111
00113 struct ViewportDrawer {
00114 DrawPixelInfo dpi;
00115
00116 StringSpriteToDrawVector string_sprites_to_draw;
00117 TileSpriteToDrawVector tile_sprites_to_draw;
00118 ParentSpriteToDrawVector parent_sprites_to_draw;
00119 ParentSpriteToSortVector parent_sprites_to_sort;
00120 ChildScreenSpriteToDrawVector child_screen_sprites_to_draw;
00121
00122 int *last_child;
00123
00124 byte combine_sprites;
00125
00126 int foundation[FOUNDATION_PART_END];
00127 FoundationPart foundation_part;
00128 int *last_foundation_child[FOUNDATION_PART_END];
00129 Point foundation_offset[FOUNDATION_PART_END];
00130 };
00131
00132 static ViewportDrawer _vd;
00133
00134 TileHighlightData _thd;
00135 static TileInfo *_cur_ti;
00136 bool _draw_bounding_boxes = false;
00137
00138 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00139 {
00140 Point p = RemapCoords(x, y, z);
00141 p.x -= vp->virtual_width / 2;
00142 p.y -= vp->virtual_height / 2;
00143 return p;
00144 }
00145
00146 void DeleteWindowViewport(Window *w)
00147 {
00148 free(w->viewport);
00149 w->viewport = NULL;
00150 }
00151
00164 void InitializeWindowViewport(Window *w, int x, int y,
00165 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00166 {
00167 assert(w->viewport == NULL);
00168
00169 ViewportData *vp = CallocT<ViewportData>(1);
00170
00171 vp->left = x + w->left;
00172 vp->top = y + w->top;
00173 vp->width = width;
00174 vp->height = height;
00175
00176 vp->zoom = zoom;
00177
00178 vp->virtual_width = ScaleByZoom(width, zoom);
00179 vp->virtual_height = ScaleByZoom(height, zoom);
00180
00181 Point pt;
00182
00183 if (follow_flags & 0x80000000) {
00184 const Vehicle *veh;
00185
00186 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFF);
00187 veh = GetVehicle(vp->follow_vehicle);
00188 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00189 } else {
00190 uint x = TileX(follow_flags) * TILE_SIZE;
00191 uint y = TileY(follow_flags) * TILE_SIZE;
00192
00193 vp->follow_vehicle = INVALID_VEHICLE;
00194 pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
00195 }
00196
00197 vp->scrollpos_x = pt.x;
00198 vp->scrollpos_y = pt.y;
00199 vp->dest_scrollpos_x = pt.x;
00200 vp->dest_scrollpos_y = pt.y;
00201
00202 w->viewport = vp;
00203 vp->virtual_left = 0;
00204 vp->virtual_top = 0;
00205 }
00206
00207 static Point _vp_move_offs;
00208
00209 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00210 {
00211 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00212 if (left + width > w->left &&
00213 w->left + w->width > left &&
00214 top + height > w->top &&
00215 w->top + w->height > top) {
00216
00217 if (left < w->left) {
00218 DoSetViewportPosition(w, left, top, w->left - left, height);
00219 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00220 return;
00221 }
00222
00223 if (left + width > w->left + w->width) {
00224 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00225 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left) , height);
00226 return;
00227 }
00228
00229 if (top < w->top) {
00230 DoSetViewportPosition(w, left, top, width, (w->top - top));
00231 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00232 return;
00233 }
00234
00235 if (top + height > w->top + w->height) {
00236 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00237 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width , height - (w->top + w->height - top));
00238 return;
00239 }
00240
00241 return;
00242 }
00243 }
00244
00245 {
00246 int xo = _vp_move_offs.x;
00247 int yo = _vp_move_offs.y;
00248
00249 if (abs(xo) >= width || abs(yo) >= height) {
00250
00251 RedrawScreenRect(left, top, left + width, top + height);
00252 return;
00253 }
00254
00255 GfxScroll(left, top, width, height, xo, yo);
00256
00257 if (xo > 0) {
00258 RedrawScreenRect(left, top, xo + left, top + height);
00259 left += xo;
00260 width -= xo;
00261 } else if (xo < 0) {
00262 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00263 width += xo;
00264 }
00265
00266 if (yo > 0) {
00267 RedrawScreenRect(left, top, width + left, top + yo);
00268 } else if (yo < 0) {
00269 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00270 }
00271 }
00272 }
00273
00274 static void SetViewportPosition(Window *w, int x, int y)
00275 {
00276 ViewPort *vp = w->viewport;
00277 int old_left = vp->virtual_left;
00278 int old_top = vp->virtual_top;
00279 int i;
00280 int left, top, width, height;
00281
00282 vp->virtual_left = x;
00283 vp->virtual_top = y;
00284
00285
00286
00287
00288 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00289 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00290 x = UnScaleByZoomLower(x, vp->zoom);
00291 y = UnScaleByZoomLower(y, vp->zoom);
00292
00293 old_left -= x;
00294 old_top -= y;
00295
00296 if (old_top == 0 && old_left == 0) return;
00297
00298 _vp_move_offs.x = old_left;
00299 _vp_move_offs.y = old_top;
00300
00301 left = vp->left;
00302 top = vp->top;
00303 width = vp->width;
00304 height = vp->height;
00305
00306 if (left < 0) {
00307 width += left;
00308 left = 0;
00309 }
00310
00311 i = left + width - _screen.width;
00312 if (i >= 0) width -= i;
00313
00314 if (width > 0) {
00315 if (top < 0) {
00316 height += top;
00317 top = 0;
00318 }
00319
00320 i = top + height - _screen.height;
00321 if (i >= 0) height -= i;
00322
00323 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00324 }
00325 }
00326
00335 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00336 {
00337 ViewPort *vp = w->viewport;
00338
00339 if (vp != NULL &&
00340 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00341 IsInsideMM(y, vp->top, vp->top + vp->height))
00342 return vp;
00343
00344 return NULL;
00345 }
00346
00353 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00354 {
00355 Point pt;
00356 int a, b;
00357 uint z;
00358
00359 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00360 (uint)(y -= vp->top) >= (uint)vp->height) {
00361 Point pt = {-1, -1};
00362 return pt;
00363 }
00364
00365 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> 2;
00366 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> 1;
00367
00368 a = y - x;
00369 b = y + x;
00370
00371
00372
00373
00374 a = Clamp(a, -4 * TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00375 b = Clamp(b, -4 * TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00376
00377
00378
00379
00380
00381
00382
00383
00384 z = 0;
00385
00386 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00387
00388 for (int i = 0; i < 5; i++) z = GetSlopeZ(Clamp(a + (int)max(z, 4u) - 4, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + (int)max(z, 4u) - 4, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00389 for (uint malus = 3; malus > 0; malus--) z = GetSlopeZ(Clamp(a + (int)max(z, malus) - (int)malus, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + (int)max(z, malus) - (int)malus, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00390 for (int i = 0; i < 5; i++) z = GetSlopeZ(Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00391
00392 pt.x = Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1);
00393 pt.y = Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1);
00394
00395 return pt;
00396 }
00397
00398
00399
00400
00401 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00402 {
00403 Window *w;
00404 ViewPort *vp;
00405 Point pt;
00406
00407 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00408 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00409 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00410
00411 pt.y = pt.x = -1;
00412 return pt;
00413 }
00414
00415 Point GetTileBelowCursor()
00416 {
00417 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00418 }
00419
00420
00421 Point GetTileZoomCenterWindow(bool in, Window * w)
00422 {
00423 int x, y;
00424 ViewPort *vp = w->viewport;
00425
00426 if (in) {
00427 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00428 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00429 } else {
00430 x = vp->width - (_cursor.pos.x - vp->left);
00431 y = vp->height - (_cursor.pos.y - vp->top);
00432 }
00433
00434 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00435 }
00436
00443 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00444 {
00445 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
00446 w->InvalidateWidget(widget_zoom_in);
00447
00448 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
00449 w->InvalidateWidget(widget_zoom_out);
00450 }
00451
00465 void DrawGroundSpriteAt(SpriteID image, SpriteID pal, int32 x, int32 y, byte z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00466 {
00467 assert((image & SPRITE_MASK) < MAX_SPRITES);
00468
00469 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00470 ts->image = image;
00471 ts->pal = pal;
00472 ts->sub = sub;
00473 Point pt = RemapCoords(x, y, z);
00474 ts->x = pt.x + extra_offs_x;
00475 ts->y = pt.y + extra_offs_y;
00476 }
00477
00490 static void AddChildSpriteToFoundation(SpriteID image, SpriteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00491 {
00492 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00493 assert(_vd.foundation[foundation_part] != -1);
00494 Point offs = _vd.foundation_offset[foundation_part];
00495
00496
00497 int *old_child = _vd.last_child;
00498 _vd.last_child = _vd.last_foundation_child[foundation_part];
00499
00500 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
00501
00502
00503 _vd.last_child = old_child;
00504 }
00505
00516 void DrawGroundSprite(SpriteID image, SpriteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00517 {
00518
00519 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00520
00521 if (_vd.foundation[_vd.foundation_part] != -1) {
00522 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, extra_offs_x, extra_offs_y);
00523 } else {
00524 DrawGroundSpriteAt(image, pal, _cur_ti->x, _cur_ti->y, _cur_ti->z, sub, extra_offs_x, extra_offs_y);
00525 }
00526 }
00527
00528
00536 void OffsetGroundSprite(int x, int y)
00537 {
00538
00539 switch (_vd.foundation_part) {
00540 case FOUNDATION_PART_NONE:
00541 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00542 break;
00543 case FOUNDATION_PART_NORMAL:
00544 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00545 break;
00546 default: NOT_REACHED();
00547 }
00548
00549
00550 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00551
00552 _vd.foundation_offset[_vd.foundation_part].x = x;
00553 _vd.foundation_offset[_vd.foundation_part].y = y;
00554 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00555 }
00556
00568 static void AddCombinedSprite(SpriteID image, SpriteID pal, int x, int y, byte z, const SubSprite *sub)
00569 {
00570 Point pt = RemapCoords(x, y, z);
00571 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00572
00573 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00574 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00575 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00576 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00577 return;
00578
00579 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00580 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub);
00581 }
00582
00607 void AddSortableSpriteToDraw(SpriteID image, SpriteID pal, int x, int y, int w, int h, int dz, int z, bool transparent, int bb_offset_x, int bb_offset_y, int bb_offset_z, const SubSprite *sub)
00608 {
00609 int32 left, right, top, bottom;
00610
00611 assert((image & SPRITE_MASK) < MAX_SPRITES);
00612
00613
00614 if (transparent) {
00615 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00616 pal = PALETTE_TO_TRANSPARENT;
00617 }
00618
00619 if (_vd.combine_sprites == 2) {
00620 AddCombinedSprite(image, pal, x, y, z, sub);
00621 return;
00622 }
00623
00624 _vd.last_child = NULL;
00625
00626 Point pt = RemapCoords(x, y, z);
00627 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00628
00629
00630 if (image == SPR_EMPTY_BOUNDING_BOX) {
00631 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00632 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00633 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00634 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00635 } else {
00636 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00637 left = tmp_left = (pt.x += spr->x_offs);
00638 right = (pt.x + spr->width );
00639 top = tmp_top = (pt.y += spr->y_offs);
00640 bottom = (pt.y + spr->height);
00641 }
00642
00643 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00644
00645 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00646 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00647 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00648 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00649 }
00650
00651
00652 if (left >= _vd.dpi.left + _vd.dpi.width ||
00653 right <= _vd.dpi.left ||
00654 top >= _vd.dpi.top + _vd.dpi.height ||
00655 bottom <= _vd.dpi.top) {
00656 return;
00657 }
00658
00659 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00660 ps->x = tmp_x;
00661 ps->y = tmp_y;
00662
00663 ps->left = tmp_left;
00664 ps->top = tmp_top;
00665
00666 ps->image = image;
00667 ps->pal = pal;
00668 ps->sub = sub;
00669 ps->xmin = x + bb_offset_x;
00670 ps->xmax = x + max(bb_offset_x, w) - 1;
00671
00672 ps->ymin = y + bb_offset_y;
00673 ps->ymax = y + max(bb_offset_y, h) - 1;
00674
00675 ps->zmin = z + bb_offset_z;
00676 ps->zmax = z + max(bb_offset_z, dz) - 1;
00677
00678 ps->comparison_done = false;
00679 ps->first_child = -1;
00680
00681 _vd.last_child = &ps->first_child;
00682
00683 if (_vd.combine_sprites == 1) _vd.combine_sprites = 2;
00684 }
00685
00686 void StartSpriteCombine()
00687 {
00688 _vd.combine_sprites = 1;
00689 }
00690
00691 void EndSpriteCombine()
00692 {
00693 _vd.combine_sprites = 0;
00694 }
00695
00706 void AddChildSpriteScreen(SpriteID image, SpriteID pal, int x, int y, bool transparent, const SubSprite *sub)
00707 {
00708 assert((image & SPRITE_MASK) < MAX_SPRITES);
00709
00710
00711 if (_vd.last_child == NULL) return;
00712
00713
00714 if (transparent) {
00715 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00716 pal = PALETTE_TO_TRANSPARENT;
00717 }
00718
00719 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00720
00721 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00722 cs->image = image;
00723 cs->pal = pal;
00724 cs->sub = sub;
00725 cs->x = x;
00726 cs->y = y;
00727 cs->next = -1;
00728
00729
00730
00731
00732 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00733 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00734 _vd.last_child = &cs->next;
00735 }
00736
00737
00738 void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, uint16 colour, uint16 width)
00739 {
00740 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00741 ss->string = string;
00742 ss->x = x;
00743 ss->y = y;
00744 ss->params[0] = params_1;
00745 ss->params[1] = params_2;
00746 ss->width = width;
00747 ss->colour = colour;
00748 }
00749
00750
00762 static void DrawSelectionSprite(SpriteID image, SpriteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00763 {
00764
00765 if (_vd.foundation[foundation_part] == -1) {
00766
00767 DrawGroundSpriteAt(image, pal, ti->x, ti->y, ti->z + z_offset);
00768 } else {
00769
00770 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
00771 }
00772 }
00773
00780 static void DrawTileSelectionRect(const TileInfo *ti, SpriteID pal)
00781 {
00782 if (!IsValidTile(ti->tile)) return;
00783
00784 SpriteID sel;
00785 if (IsHalftileSlope(ti->tileh)) {
00786 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00787 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00788 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00789
00790 Corner opposite_corner = OppositeCorner(halftile_corner);
00791 if (IsSteepSlope(ti->tileh)) {
00792 sel = SPR_HALFTILE_SELECTION_DOWN;
00793 } else {
00794 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00795 }
00796 sel += opposite_corner;
00797 } else {
00798 sel = SPR_SELECT_TILE + _tileh_to_sprite[ti->tileh];
00799 }
00800 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00801 }
00802
00803 static bool IsPartOfAutoLine(int px, int py)
00804 {
00805 px -= _thd.selstart.x;
00806 py -= _thd.selstart.y;
00807
00808 if ((_thd.drawstyle & ~HT_DIR_MASK) != HT_LINE) return false;
00809
00810 switch (_thd.drawstyle & HT_DIR_MASK) {
00811 case HT_DIR_X: return py == 0;
00812 case HT_DIR_Y: return px == 0;
00813 case HT_DIR_HU: return px == -py || px == -py - 16;
00814 case HT_DIR_HL: return px == -py || px == -py + 16;
00815 case HT_DIR_VL: return px == py || px == py + 16;
00816 case HT_DIR_VR: return px == py || px == py - 16;
00817 default:
00818 NOT_REACHED();
00819 }
00820 }
00821
00822
00823 static const HighLightStyle _autorail_type[6][2] = {
00824 { HT_DIR_X, HT_DIR_X },
00825 { HT_DIR_Y, HT_DIR_Y },
00826 { HT_DIR_HU, HT_DIR_HL },
00827 { HT_DIR_HL, HT_DIR_HU },
00828 { HT_DIR_VL, HT_DIR_VR },
00829 { HT_DIR_VR, HT_DIR_VL }
00830 };
00831
00832 #include "table/autorail.h"
00833
00840 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00841 {
00842 SpriteID image;
00843 SpriteID pal;
00844 int offset;
00845
00846 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00847 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00848 if (IsHalftileSlope(ti->tileh)) {
00849 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00850 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00851 if (autorail_type != _lower_rail[halftile_corner]) {
00852 foundation_part = FOUNDATION_PART_HALFTILE;
00853
00854 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00855 }
00856 }
00857
00858 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00859 if (offset >= 0) {
00860 image = SPR_AUTORAIL_BASE + offset;
00861 pal = PAL_NONE;
00862 } else {
00863 image = SPR_AUTORAIL_BASE - offset;
00864 pal = PALETTE_SEL_TILE_RED;
00865 }
00866
00867 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00868 }
00869
00874 static void DrawTileSelection(const TileInfo *ti)
00875 {
00876
00877 bool is_redsq = _thd.redsq == ti->tile;
00878 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00879
00880
00881 if (_thd.drawstyle == 0) return;
00882
00883
00884 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00885 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00886 if (_thd.drawstyle & HT_RECT) {
00887 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00888 } else if (_thd.drawstyle & HT_POINT) {
00889
00890 byte z = 0;
00891 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00892 if (ti->tileh & SLOPE_N) {
00893 z += TILE_HEIGHT;
00894 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00895 }
00896 if (IsHalftileSlope(ti->tileh)) {
00897 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00898 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
00899 if (halftile_corner != CORNER_S) {
00900 foundation_part = FOUNDATION_PART_HALFTILE;
00901 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
00902 }
00903 }
00904 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
00905 } else if (_thd.drawstyle & HT_RAIL ) {
00906
00907 uint type = _thd.drawstyle & 0xF;
00908 assert(type <= 5);
00909 DrawAutorailSelection(ti, _autorail_type[type][0]);
00910 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
00911
00912 int dir = _thd.drawstyle & ~0xF0;
00913 uint side;
00914
00915 if (dir < 2) {
00916 side = 0;
00917 } else {
00918 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
00919 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
00920 }
00921
00922 DrawAutorailSelection(ti, _autorail_type[dir][side]);
00923 }
00924 return;
00925 }
00926
00927
00928 if (!is_redsq && _thd.outersize.x &&
00929 _thd.size.x < _thd.size.x + _thd.outersize.x &&
00930 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
00931 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
00932
00933 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
00934 return;
00935 }
00936 }
00937
00938 static void ViewportAddLandscape()
00939 {
00940 int x, y, width, height;
00941 TileInfo ti;
00942 bool direction;
00943
00944 _cur_ti = &ti;
00945
00946
00947 x = ((_vd.dpi.top >> 1) - (_vd.dpi.left >> 2)) & ~0xF;
00948 y = ((_vd.dpi.top >> 1) + (_vd.dpi.left >> 2) - 0x10) & ~0xF;
00949
00950
00951 {
00952 Point pt = RemapCoords(x, y, 241);
00953 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 95) >> 6;
00954 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> 5 << 1;
00955 }
00956
00957 assert(width > 0);
00958 assert(height > 0);
00959
00960 direction = false;
00961
00962 do {
00963 int width_cur = width;
00964 int x_cur = x;
00965 int y_cur = y;
00966
00967 do {
00968 TileType tt = MP_VOID;
00969
00970 ti.x = x_cur;
00971 ti.y = y_cur;
00972
00973 ti.z = 0;
00974
00975 ti.tileh = SLOPE_FLAT;
00976 ti.tile = INVALID_TILE;
00977
00978 if (0 <= x_cur && x_cur < (int)MapMaxX() * TILE_SIZE &&
00979 0 <= y_cur && y_cur < (int)MapMaxY() * TILE_SIZE) {
00980 TileIndex tile = TileVirtXY(x_cur, y_cur);
00981
00982 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
00983 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
00984 uint maxh = max<uint>(TileHeight(tile), 1);
00985 for (uint h = 0; h < maxh; h++) {
00986 DrawGroundSpriteAt(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
00987 }
00988 }
00989
00990 ti.tile = tile;
00991 ti.tileh = GetTileSlope(tile, &ti.z);
00992 tt = GetTileType(tile);
00993 }
00994 }
00995
00996 _vd.foundation_part = FOUNDATION_PART_NONE;
00997 _vd.foundation[0] = -1;
00998 _vd.foundation[1] = -1;
00999 _vd.last_foundation_child[0] = NULL;
01000 _vd.last_foundation_child[1] = NULL;
01001
01002 _tile_type_procs[tt]->draw_tile_proc(&ti);
01003
01004 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01005 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01006 TileIndex tile = TileVirtXY(x_cur, y_cur);
01007 ti.tile = tile;
01008 ti.tileh = GetTileSlope(tile, &ti.z);
01009 tt = GetTileType(tile);
01010 }
01011 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01012
01013 y_cur += 0x10;
01014 x_cur -= 0x10;
01015 } while (--width_cur);
01016
01017 if ((direction ^= 1) != 0) {
01018 y += 0x10;
01019 } else {
01020 x += 0x10;
01021 }
01022 } while (--height);
01023 }
01024
01025
01026 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01027 {
01028 Town *t;
01029 int left, top, right, bottom;
01030
01031 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU)
01032 return;
01033
01034 left = dpi->left;
01035 top = dpi->top;
01036 right = left + dpi->width;
01037 bottom = top + dpi->height;
01038
01039 switch (dpi->zoom) {
01040 case ZOOM_LVL_NORMAL:
01041 FOR_ALL_TOWNS(t) {
01042 if (bottom > t->sign.top &&
01043 top < t->sign.top + 12 &&
01044 right > t->sign.left &&
01045 left < t->sign.left + t->sign.width_1) {
01046 AddStringToDraw(t->sign.left + 1, t->sign.top + 1,
01047 _settings_client.gui.population_in_label ? STR_TOWN_LABEL_POP : STR_TOWN_LABEL,
01048 t->index, t->population);
01049 }
01050 }
01051 break;
01052
01053 case ZOOM_LVL_OUT_2X:
01054 right += 2;
01055 bottom += 2;
01056
01057 FOR_ALL_TOWNS(t) {
01058 if (bottom > t->sign.top &&
01059 top < t->sign.top + 24 &&
01060 right > t->sign.left &&
01061 left < t->sign.left + t->sign.width_1 * 2) {
01062 AddStringToDraw(t->sign.left + 1, t->sign.top + 1,
01063 _settings_client.gui.population_in_label ? STR_TOWN_LABEL_POP : STR_TOWN_LABEL,
01064 t->index, t->population);
01065 }
01066 }
01067 break;
01068
01069 case ZOOM_LVL_OUT_4X:
01070 case ZOOM_LVL_OUT_8X:
01071 right += ScaleByZoom(1, dpi->zoom);
01072 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01073
01074 FOR_ALL_TOWNS(t) {
01075 if (bottom > t->sign.top &&
01076 top < t->sign.top + ScaleByZoom(12, dpi->zoom) &&
01077 right > t->sign.left &&
01078 left < t->sign.left + ScaleByZoom(t->sign.width_2, dpi->zoom)) {
01079 AddStringToDraw(t->sign.left + 5, t->sign.top + 1, STR_TOWN_LABEL_TINY_BLACK, t->index, 0);
01080 AddStringToDraw(t->sign.left + 1, t->sign.top - 3, STR_TOWN_LABEL_TINY_WHITE, t->index, 0);
01081 }
01082 }
01083 break;
01084
01085 default: NOT_REACHED();
01086 }
01087 }
01088
01089
01090 static void AddStation(const Station *st, StringID str, uint16 width)
01091 {
01092 AddStringToDraw(st->sign.left + 1, st->sign.top + 1, str, st->index, st->facilities, (st->owner == OWNER_NONE || st->facilities == 0) ? 0xE : _company_colours[st->owner], width);
01093 }
01094
01095
01096 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01097 {
01098 int left, top, right, bottom;
01099 const Station *st;
01100
01101 if (!HasBit(_display_opt, DO_SHOW_STATION_NAMES) || _game_mode == GM_MENU)
01102 return;
01103
01104 left = dpi->left;
01105 top = dpi->top;
01106 right = left + dpi->width;
01107 bottom = top + dpi->height;
01108
01109 switch (dpi->zoom) {
01110 case ZOOM_LVL_NORMAL:
01111 FOR_ALL_STATIONS(st) {
01112 if (bottom > st->sign.top &&
01113 top < st->sign.top + 12 &&
01114 right > st->sign.left &&
01115 left < st->sign.left + st->sign.width_1) {
01116 AddStation(st, STR_305C_0, st->sign.width_1);
01117 }
01118 }
01119 break;
01120
01121 case ZOOM_LVL_OUT_2X:
01122 right += 2;
01123 bottom += 2;
01124 FOR_ALL_STATIONS(st) {
01125 if (bottom > st->sign.top &&
01126 top < st->sign.top + 24 &&
01127 right > st->sign.left &&
01128 left < st->sign.left + st->sign.width_1 * 2) {
01129 AddStation(st, STR_305C_0, st->sign.width_1);
01130 }
01131 }
01132 break;
01133
01134 case ZOOM_LVL_OUT_4X:
01135 case ZOOM_LVL_OUT_8X:
01136 right += ScaleByZoom(1, dpi->zoom);
01137 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01138
01139 FOR_ALL_STATIONS(st) {
01140 if (bottom > st->sign.top &&
01141 top < st->sign.top + ScaleByZoom(12, dpi->zoom) &&
01142 right > st->sign.left &&
01143 left < st->sign.left + ScaleByZoom(st->sign.width_2, dpi->zoom)) {
01144 AddStation(st, STR_STATION_SIGN_TINY, st->sign.width_2 | 0x8000);
01145 }
01146 }
01147 break;
01148
01149 default: NOT_REACHED();
01150 }
01151 }
01152
01153
01154 static void AddSign(const Sign *si, StringID str, uint16 width)
01155 {
01156 AddStringToDraw(si->sign.left + 1, si->sign.top + 1, str, si->index, 0, (si->owner == OWNER_NONE) ? 14 : _company_colours[si->owner], width);
01157 }
01158
01159
01160 static void ViewportAddSigns(DrawPixelInfo *dpi)
01161 {
01162 const Sign *si;
01163 int left, top, right, bottom;
01164
01165
01166 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01167
01168 left = dpi->left;
01169 top = dpi->top;
01170 right = left + dpi->width;
01171 bottom = top + dpi->height;
01172
01173 switch (dpi->zoom) {
01174 case ZOOM_LVL_NORMAL:
01175 FOR_ALL_SIGNS(si) {
01176 if (bottom > si->sign.top &&
01177 top < si->sign.top + 12 &&
01178 right > si->sign.left &&
01179 left < si->sign.left + si->sign.width_1) {
01180 AddSign(si, STR_2806, si->sign.width_1);
01181 }
01182 }
01183 break;
01184
01185 case ZOOM_LVL_OUT_2X:
01186 right += 2;
01187 bottom += 2;
01188 FOR_ALL_SIGNS(si) {
01189 if (bottom > si->sign.top &&
01190 top < si->sign.top + 24 &&
01191 right > si->sign.left &&
01192 left < si->sign.left + si->sign.width_1 * 2) {
01193 AddSign(si, STR_2806, si->sign.width_1);
01194 }
01195 }
01196 break;
01197
01198 case ZOOM_LVL_OUT_4X:
01199 case ZOOM_LVL_OUT_8X:
01200 right += ScaleByZoom(1, dpi->zoom);
01201 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01202
01203 FOR_ALL_SIGNS(si) {
01204 if (bottom > si->sign.top &&
01205 top < si->sign.top + ScaleByZoom(12, dpi->zoom) &&
01206 right > si->sign.left &&
01207 left < si->sign.left + ScaleByZoom(si->sign.width_2, dpi->zoom)) {
01208 AddSign(si, IsTransparencySet(TO_SIGNS) ? STR_2002_WHITE : STR_2002, si->sign.width_2 | 0x8000);
01209 }
01210 }
01211 break;
01212
01213 default: NOT_REACHED();
01214 }
01215 }
01216
01217
01218 static void AddWaypoint(const Waypoint *wp, StringID str, uint16 width)
01219 {
01220 AddStringToDraw(wp->sign.left + 1, wp->sign.top + 1, str, wp->index, 0, (wp->deleted ? 0xE : _company_colours[wp->owner]), width);
01221 }
01222
01223
01224 static void ViewportAddWaypoints(DrawPixelInfo *dpi)
01225 {
01226 const Waypoint *wp;
01227 int left, top, right, bottom;
01228
01229 if (!HasBit(_display_opt, DO_WAYPOINTS))
01230 return;
01231
01232 left = dpi->left;
01233 top = dpi->top;
01234 right = left + dpi->width;
01235 bottom = top + dpi->height;
01236
01237 switch (dpi->zoom) {
01238 case ZOOM_LVL_NORMAL:
01239 FOR_ALL_WAYPOINTS(wp) {
01240 if (bottom > wp->sign.top &&
01241 top < wp->sign.top + 12 &&
01242 right > wp->sign.left &&
01243 left < wp->sign.left + wp->sign.width_1) {
01244 AddWaypoint(wp, STR_WAYPOINT_VIEWPORT, wp->sign.width_1);
01245 }
01246 }
01247 break;
01248
01249 case ZOOM_LVL_OUT_2X:
01250 right += 2;
01251 bottom += 2;
01252 FOR_ALL_WAYPOINTS(wp) {
01253 if (bottom > wp->sign.top &&
01254 top < wp->sign.top + 24 &&
01255 right > wp->sign.left &&
01256 left < wp->sign.left + wp->sign.width_1 * 2) {
01257 AddWaypoint(wp, STR_WAYPOINT_VIEWPORT, wp->sign.width_1);
01258 }
01259 }
01260 break;
01261
01262 case ZOOM_LVL_OUT_4X:
01263 case ZOOM_LVL_OUT_8X:
01264 right += ScaleByZoom(1, dpi->zoom);
01265 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01266
01267 FOR_ALL_WAYPOINTS(wp) {
01268 if (bottom > wp->sign.top &&
01269 top < wp->sign.top + ScaleByZoom(12, dpi->zoom) &&
01270 right > wp->sign.left &&
01271 left < wp->sign.left + ScaleByZoom(wp->sign.width_2, dpi->zoom)) {
01272 AddWaypoint(wp, STR_WAYPOINT_VIEWPORT_TINY, wp->sign.width_2 | 0x8000);
01273 }
01274 }
01275 break;
01276
01277 default: NOT_REACHED();
01278 }
01279 }
01280
01281 void UpdateViewportSignPos(ViewportSign *sign, int left, int top, StringID str)
01282 {
01283 char buffer[256];
01284 uint w;
01285
01286 sign->top = top;
01287
01288 GetString(buffer, str, lastof(buffer));
01289 w = GetStringBoundingBox(buffer).width + 3;
01290 sign->width_1 = w;
01291 sign->left = left - w / 2;
01292
01293
01294 _cur_fontsize = FS_SMALL;
01295 w = GetStringBoundingBox(buffer).width + 3;
01296 _cur_fontsize = FS_NORMAL;
01297 sign->width_2 = w;
01298 }
01299
01300
01301 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01302 {
01303 const TileSpriteToDraw *tsend = tstdv->End();
01304 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01305 DrawSprite(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01306 }
01307 }
01308
01310 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01311 {
01312 ParentSpriteToDraw **psdvend = psdv->End();
01313 ParentSpriteToDraw **psd = psdv->Begin();
01314 while (psd != psdvend) {
01315 ParentSpriteToDraw *ps = *psd;
01316
01317 if (ps->comparison_done) {
01318 psd++;
01319 continue;
01320 }
01321
01322 ps->comparison_done = true;
01323
01324 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01325 ParentSpriteToDraw *ps2 = *psd2;
01326
01327 if (ps2->comparison_done) continue;
01328
01329
01330
01331
01332 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01333 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01334 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01335
01336
01337
01338
01339
01340
01341 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01342 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01343 continue;
01344 }
01345 } else {
01346
01347
01348
01349
01350 if (ps->xmax < ps2->xmin ||
01351 ps->ymax < ps2->ymin ||
01352 ps->zmax < ps2->zmin) {
01353 continue;
01354 }
01355 }
01356
01357
01358 ParentSpriteToDraw *temp = ps2;
01359 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01360 *psd3 = *(psd3 - 1);
01361 }
01362 *psd = temp;
01363 }
01364 }
01365 }
01366
01367 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01368 {
01369 const ParentSpriteToDraw * const *psd_end = psd->End();
01370 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01371 const ParentSpriteToDraw *ps = *it;
01372 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01373
01374 int child_idx = ps->first_child;
01375 while (child_idx >= 0) {
01376 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01377 child_idx = cs->next;
01378 DrawSprite(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01379 }
01380 }
01381 }
01382
01387 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01388 {
01389 const ParentSpriteToDraw * const *psd_end = psd->End();
01390 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01391 const ParentSpriteToDraw *ps = *it;
01392 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01393 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01394 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01395 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01396
01397 DrawBox( pt1.x, pt1.y,
01398 pt2.x - pt1.x, pt2.y - pt1.y,
01399 pt3.x - pt1.x, pt3.y - pt1.y,
01400 pt4.x - pt1.x, pt4.y - pt1.y);
01401 }
01402 }
01403
01404 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01405 {
01406 DrawPixelInfo dp;
01407 ZoomLevel zoom;
01408
01409 _cur_dpi = &dp;
01410 dp = *dpi;
01411
01412 zoom = dp.zoom;
01413 dp.zoom = ZOOM_LVL_NORMAL;
01414
01415 dp.left = UnScaleByZoom(dp.left, zoom);
01416 dp.top = UnScaleByZoom(dp.top, zoom);
01417 dp.width = UnScaleByZoom(dp.width, zoom);
01418 dp.height = UnScaleByZoom(dp.height, zoom);
01419
01420 const StringSpriteToDraw *ssend = sstdv->End();
01421 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01422 TextColour colour;
01423
01424 if (ss->width != 0) {
01425
01426 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_2806) continue;
01427
01428 int x = UnScaleByZoom(ss->x, zoom) - 1;
01429 int y = UnScaleByZoom(ss->y, zoom) - 1;
01430 int bottom = y + 11;
01431 int w = ss->width;
01432
01433 if (w & 0x8000) {
01434 w &= ~0x8000;
01435 y--;
01436 bottom -= 6;
01437 w -= 3;
01438 }
01439
01440
01441
01442 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_2806) {
01443 DrawFrameRect(
01444 x, y, x + w, bottom, (Colours)ss->colour,
01445 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01446 );
01447 }
01448 }
01449
01450 SetDParam(0, ss->params[0]);
01451 SetDParam(1, ss->params[1]);
01452
01453
01454 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_2806 && ss->width != 0) {
01455
01456
01457 colour = (TextColour)_colour_gradient[ss->colour][6] | IS_PALETTE_COLOUR;
01458 } else {
01459 colour = TC_BLACK;
01460 }
01461 DrawString(
01462 UnScaleByZoom(ss->x, zoom), UnScaleByZoom(ss->y, zoom) - (ss->width & 0x8000 ? 2 : 0),
01463 ss->string, colour
01464 );
01465 }
01466 }
01467
01468 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01469 {
01470 DrawPixelInfo *old_dpi = _cur_dpi;
01471 _cur_dpi = &_vd.dpi;
01472
01473 _vd.dpi.zoom = vp->zoom;
01474 int mask = ScaleByZoom(-1, vp->zoom);
01475
01476 _vd.combine_sprites = 0;
01477
01478 _vd.dpi.width = (right - left) & mask;
01479 _vd.dpi.height = (bottom - top) & mask;
01480 _vd.dpi.left = left & mask;
01481 _vd.dpi.top = top & mask;
01482 _vd.dpi.pitch = old_dpi->pitch;
01483 _vd.last_child = NULL;
01484
01485 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01486 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01487
01488 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01489
01490 ViewportAddLandscape();
01491 ViewportAddVehicles(&_vd.dpi);
01492
01493 ViewportAddTownNames(&_vd.dpi);
01494 ViewportAddStationNames(&_vd.dpi);
01495 ViewportAddSigns(&_vd.dpi);
01496 ViewportAddWaypoints(&_vd.dpi);
01497
01498 DrawTextEffects(&_vd.dpi);
01499
01500 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01501
01502 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01503 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01504 *_vd.parent_sprites_to_sort.Append() = it;
01505 }
01506
01507 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01508 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01509
01510 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01511
01512 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01513
01514 _cur_dpi = old_dpi;
01515
01516 _vd.string_sprites_to_draw.Clear();
01517 _vd.tile_sprites_to_draw.Clear();
01518 _vd.parent_sprites_to_draw.Clear();
01519 _vd.parent_sprites_to_sort.Clear();
01520 _vd.child_screen_sprites_to_draw.Clear();
01521 }
01522
01525 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01526 {
01527 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000) {
01528 if ((bottom - top) > (right - left)) {
01529 int t = (top + bottom) >> 1;
01530 ViewportDrawChk(vp, left, top, right, t);
01531 ViewportDrawChk(vp, left, t, right, bottom);
01532 } else {
01533 int t = (left + right) >> 1;
01534 ViewportDrawChk(vp, left, top, t, bottom);
01535 ViewportDrawChk(vp, t, top, right, bottom);
01536 }
01537 } else {
01538 ViewportDoDraw(vp,
01539 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01540 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01541 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01542 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01543 );
01544 }
01545 }
01546
01547 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01548 {
01549 if (right <= vp->left || bottom <= vp->top) return;
01550
01551 if (left >= vp->left + vp->width) return;
01552
01553 if (left < vp->left) left = vp->left;
01554 if (right > vp->left + vp->width) right = vp->left + vp->width;
01555
01556 if (top >= vp->top + vp->height) return;
01557
01558 if (top < vp->top) top = vp->top;
01559 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01560
01561 ViewportDrawChk(vp, left, top, right, bottom);
01562 }
01563
01567 void Window::DrawViewport() const
01568 {
01569 DrawPixelInfo *dpi = _cur_dpi;
01570
01571 dpi->left += this->left;
01572 dpi->top += this->top;
01573
01574 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01575
01576 dpi->left -= this->left;
01577 dpi->top -= this->top;
01578 }
01579
01580 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01581 {
01582
01583 x += vp->virtual_width / 2;
01584 y += vp->virtual_height / 2;
01585
01586
01587
01588 int vx = -x + y * 2;
01589 int vy = x + y * 2;
01590
01591
01592 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4);
01593 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4);
01594
01595
01596 x = (-vx + vy) / 2;
01597 y = ( vx + vy) / 4;
01598
01599
01600 x -= vp->virtual_width / 2;
01601 y -= vp->virtual_height / 2;
01602 }
01603
01604 void UpdateViewportPosition(Window *w)
01605 {
01606 const ViewPort *vp = w->viewport;
01607
01608 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01609 const Vehicle *veh = GetVehicle(w->viewport->follow_vehicle);
01610 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01611
01612 w->viewport->scrollpos_x = pt.x;
01613 w->viewport->scrollpos_y = pt.y;
01614 SetViewportPosition(w, pt.x, pt.y);
01615 } else {
01616
01617 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01618
01619 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01620 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01621
01622 if (delta_x != 0 || delta_y != 0) {
01623 if (_settings_client.gui.smooth_scroll) {
01624 int max_scroll = ScaleByMapSize1D(512);
01625
01626 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01627 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01628 } else {
01629 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01630 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01631 }
01632 }
01633
01634 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01635
01636 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01637 }
01638 }
01639
01649 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01650 {
01651 right -= vp->virtual_left;
01652 if (right <= 0) return;
01653
01654 bottom -= vp->virtual_top;
01655 if (bottom <= 0) return;
01656
01657 left = max(0, left - vp->virtual_left);
01658
01659 if (left >= vp->virtual_width) return;
01660
01661 top = max(0, top - vp->virtual_top);
01662
01663 if (top >= vp->virtual_height) return;
01664
01665 SetDirtyBlocks(
01666 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01667 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01668 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01669 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01670 );
01671 }
01672
01681 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01682 {
01683 Window *w;
01684 FOR_ALL_WINDOWS_FROM_BACK(w) {
01685 ViewPort *vp = w->viewport;
01686 if (vp != NULL) {
01687 assert(vp->width != 0);
01688 MarkViewportDirty(vp, left, top, right, bottom);
01689 }
01690 }
01691 }
01692
01693 void MarkTileDirtyByTile(TileIndex tile)
01694 {
01695 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
01696 MarkAllViewportsDirty(
01697 pt.x - 31,
01698 pt.y - 122,
01699 pt.x - 31 + 67,
01700 pt.y - 122 + 154
01701 );
01702 }
01703
01704 void MarkTileDirty(int x, int y)
01705 {
01706 uint z = 0;
01707 Point pt;
01708
01709 if (IsInsideMM(x, 0, MapSizeX() * TILE_SIZE) &&
01710 IsInsideMM(y, 0, MapSizeY() * TILE_SIZE))
01711 z = GetTileZ(TileVirtXY(x, y));
01712 pt = RemapCoords(x, y, z);
01713
01714 MarkAllViewportsDirty(
01715 pt.x - 31,
01716 pt.y - 122,
01717 pt.x - 31 + 67,
01718 pt.y - 122 + 154
01719 );
01720 }
01721
01730 static void SetSelectionTilesDirty()
01731 {
01732 int y_size, x_size;
01733 int x = _thd.pos.x;
01734 int y = _thd.pos.y;
01735
01736 x_size = _thd.size.x;
01737 y_size = _thd.size.y;
01738
01739 if (_thd.outersize.x) {
01740 x_size += _thd.outersize.x;
01741 x += _thd.offs.x;
01742 y_size += _thd.outersize.y;
01743 y += _thd.offs.y;
01744 }
01745
01746 assert(x_size > 0);
01747 assert(y_size > 0);
01748
01749 x_size += x;
01750 y_size += y;
01751
01752 do {
01753 int y_bk = y;
01754 do {
01755 MarkTileDirty(x, y);
01756 } while ( (y += TILE_SIZE) != y_size);
01757 y = y_bk;
01758 } while ( (x += TILE_SIZE) != x_size);
01759 }
01760
01761
01762 void SetSelectionRed(bool b)
01763 {
01764 _thd.make_square_red = b;
01765 SetSelectionTilesDirty();
01766 }
01767
01768
01769 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01770 {
01771 const Town *t;
01772
01773 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01774
01775 switch (vp->zoom) {
01776 case ZOOM_LVL_NORMAL:
01777 x = x - vp->left + vp->virtual_left;
01778 y = y - vp->top + vp->virtual_top;
01779 FOR_ALL_TOWNS(t) {
01780 if (y >= t->sign.top &&
01781 y < t->sign.top + 12 &&
01782 x >= t->sign.left &&
01783 x < t->sign.left + t->sign.width_1) {
01784 ShowTownViewWindow(t->index);
01785 return true;
01786 }
01787 }
01788 break;
01789
01790 case ZOOM_LVL_OUT_2X:
01791 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01792 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01793 FOR_ALL_TOWNS(t) {
01794 if (y >= t->sign.top &&
01795 y < t->sign.top + 24 &&
01796 x >= t->sign.left &&
01797 x < t->sign.left + t->sign.width_1 * 2) {
01798 ShowTownViewWindow(t->index);
01799 return true;
01800 }
01801 }
01802 break;
01803
01804 case ZOOM_LVL_OUT_4X:
01805 case ZOOM_LVL_OUT_8X:
01806 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01807 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01808
01809 FOR_ALL_TOWNS(t) {
01810 if (y >= t->sign.top &&
01811 y < t->sign.top + ScaleByZoom(12, vp->zoom) &&
01812 x >= t->sign.left &&
01813 x < t->sign.left + ScaleByZoom(t->sign.width_2, vp->zoom)) {
01814 ShowTownViewWindow(t->index);
01815 return true;
01816 }
01817 }
01818 break;
01819
01820 default: NOT_REACHED();
01821 }
01822
01823 return false;
01824 }
01825
01826
01827 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01828 {
01829 const Station *st;
01830
01831 if (!HasBit(_display_opt, DO_SHOW_STATION_NAMES) || IsInvisibilitySet(TO_SIGNS)) return false;
01832
01833 switch (vp->zoom) {
01834 case ZOOM_LVL_NORMAL:
01835 x = x - vp->left + vp->virtual_left;
01836 y = y - vp->top + vp->virtual_top;
01837 FOR_ALL_STATIONS(st) {
01838 if (y >= st->sign.top &&
01839 y < st->sign.top + 12 &&
01840 x >= st->sign.left &&
01841 x < st->sign.left + st->sign.width_1) {
01842 ShowStationViewWindow(st->index);
01843 return true;
01844 }
01845 }
01846 break;
01847
01848 case ZOOM_LVL_OUT_2X:
01849 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01850 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01851 FOR_ALL_STATIONS(st) {
01852 if (y >= st->sign.top &&
01853 y < st->sign.top + 24 &&
01854 x >= st->sign.left &&
01855 x < st->sign.left + st->sign.width_1 * 2) {
01856 ShowStationViewWindow(st->index);
01857 return true;
01858 }
01859 }
01860 break;
01861
01862 case ZOOM_LVL_OUT_4X:
01863 case ZOOM_LVL_OUT_8X:
01864 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01865 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01866
01867 FOR_ALL_STATIONS(st) {
01868 if (y >= st->sign.top &&
01869 y < st->sign.top + ScaleByZoom(12, vp->zoom) &&
01870 x >= st->sign.left &&
01871 x < st->sign.left + ScaleByZoom(st->sign.width_2, vp->zoom)) {
01872 ShowStationViewWindow(st->index);
01873 return true;
01874 }
01875 }
01876 break;
01877
01878 default: NOT_REACHED();
01879 }
01880
01881 return false;
01882 }
01883
01884
01885 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01886 {
01887 const Sign *si;
01888
01889
01890 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _current_company == COMPANY_SPECTATOR) return false;
01891
01892 switch (vp->zoom) {
01893 case ZOOM_LVL_NORMAL:
01894 x = x - vp->left + vp->virtual_left;
01895 y = y - vp->top + vp->virtual_top;
01896 FOR_ALL_SIGNS(si) {
01897 if (y >= si->sign.top &&
01898 y < si->sign.top + 12 &&
01899 x >= si->sign.left &&
01900 x < si->sign.left + si->sign.width_1) {
01901 HandleClickOnSign(si);
01902 return true;
01903 }
01904 }
01905 break;
01906
01907 case ZOOM_LVL_OUT_2X:
01908 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01909 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01910 FOR_ALL_SIGNS(si) {
01911 if (y >= si->sign.top &&
01912 y < si->sign.top + 24 &&
01913 x >= si->sign.left &&
01914 x < si->sign.left + si->sign.width_1 * 2) {
01915 HandleClickOnSign(si);
01916 return true;
01917 }
01918 }
01919 break;
01920
01921 case ZOOM_LVL_OUT_4X:
01922 case ZOOM_LVL_OUT_8X:
01923 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01924 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01925
01926 FOR_ALL_SIGNS(si) {
01927 if (y >= si->sign.top &&
01928 y < si->sign.top + ScaleByZoom(12, vp->zoom) &&
01929 x >= si->sign.left &&
01930 x < si->sign.left + ScaleByZoom(si->sign.width_2, vp->zoom)) {
01931 HandleClickOnSign(si);
01932 return true;
01933 }
01934 }
01935 break;
01936
01937 default: NOT_REACHED();
01938 }
01939
01940 return false;
01941 }
01942
01943
01944 static bool CheckClickOnWaypoint(const ViewPort *vp, int x, int y)
01945 {
01946 const Waypoint *wp;
01947
01948 if (!HasBit(_display_opt, DO_WAYPOINTS) || IsInvisibilitySet(TO_SIGNS)) return false;
01949
01950 switch (vp->zoom) {
01951 case ZOOM_LVL_NORMAL:
01952 x = x - vp->left + vp->virtual_left;
01953 y = y - vp->top + vp->virtual_top;
01954 FOR_ALL_WAYPOINTS(wp) {
01955 if (y >= wp->sign.top &&
01956 y < wp->sign.top + 12 &&
01957 x >= wp->sign.left &&
01958 x < wp->sign.left + wp->sign.width_1) {
01959 ShowWaypointWindow(wp);
01960 return true;
01961 }
01962 }
01963 break;
01964
01965 case ZOOM_LVL_OUT_2X:
01966 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01967 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01968 FOR_ALL_WAYPOINTS(wp) {
01969 if (y >= wp->sign.top &&
01970 y < wp->sign.top + 24 &&
01971 x >= wp->sign.left &&
01972 x < wp->sign.left + wp->sign.width_1 * 2) {
01973 ShowWaypointWindow(wp);
01974 return true;
01975 }
01976 }
01977 break;
01978
01979 case ZOOM_LVL_OUT_4X:
01980 case ZOOM_LVL_OUT_8X:
01981 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01982 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01983
01984 FOR_ALL_WAYPOINTS(wp) {
01985 if (y >= wp->sign.top &&
01986 y < wp->sign.top + ScaleByZoom(12, vp->zoom) &&
01987 x >= wp->sign.left &&
01988 x < wp->sign.left + ScaleByZoom(wp->sign.width_2, vp->zoom)) {
01989 ShowWaypointWindow(wp);
01990 return true;
01991 }
01992 }
01993 break;
01994
01995 default: NOT_REACHED();
01996 }
01997
01998 return false;
01999 }
02000
02001
02002 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
02003 {
02004 Point pt = TranslateXYToTileCoord(vp, x, y);
02005
02006 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
02007 return true;
02008 }
02009
02010
02011 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
02012 {
02013 const Vehicle *v;
02014
02015 if (CheckClickOnTown(vp, x, y)) return true;
02016 if (CheckClickOnStation(vp, x, y)) return true;
02017 if (CheckClickOnSign(vp, x, y)) return true;
02018 if (CheckClickOnWaypoint(vp, x, y)) return true;
02019 CheckClickOnLandscape(vp, x, y);
02020
02021 v = CheckClickOnVehicle(vp, x, y);
02022 if (v != NULL) {
02023 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
02024 if (IsCompanyBuildableVehicleType(v)) ShowVehicleViewWindow(v->First());
02025 return true;
02026 }
02027 return CheckClickOnLandscape(vp, x, y);
02028 }
02029
02030 Vehicle *CheckMouseOverVehicle()
02031 {
02032 const Window *w;
02033 const ViewPort *vp;
02034
02035 int x = _cursor.pos.x;
02036 int y = _cursor.pos.y;
02037
02038 w = FindWindowFromPt(x, y);
02039 if (w == NULL) return NULL;
02040
02041 vp = IsPtInWindowViewport(w, x, y);
02042 return (vp != NULL) ? CheckClickOnVehicle(vp, x, y) : NULL;
02043 }
02044
02045
02046
02047 void PlaceObject()
02048 {
02049 Point pt;
02050 Window *w;
02051
02052 pt = GetTileBelowCursor();
02053 if (pt.x == -1) return;
02054
02055 if (_thd.place_mode == VHM_POINT) {
02056 pt.x += 8;
02057 pt.y += 8;
02058 }
02059
02060 _tile_fract_coords.x = pt.x & 0xF;
02061 _tile_fract_coords.y = pt.y & 0xF;
02062
02063 w = GetCallbackWnd();
02064 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
02065 }
02066
02067
02068
02069 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
02070 {
02071
02072 if (z == -1) z = GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
02073
02074 Point pt = MapXYZToViewport(w->viewport, x, y, z);
02075 w->viewport->follow_vehicle = INVALID_VEHICLE;
02076
02077 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y)
02078 return false;
02079
02080 if (instant) {
02081 w->viewport->scrollpos_x = pt.x;
02082 w->viewport->scrollpos_y = pt.y;
02083 }
02084
02085 w->viewport->dest_scrollpos_x = pt.x;
02086 w->viewport->dest_scrollpos_y = pt.y;
02087 return true;
02088 }
02089
02090 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
02091 {
02092 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
02093 }
02094
02095 void SetRedErrorSquare(TileIndex tile)
02096 {
02097 TileIndex old;
02098
02099 old = _thd.redsq;
02100 _thd.redsq = tile;
02101
02102 if (tile != old) {
02103 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
02104 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
02105 }
02106 }
02107
02108 void SetTileSelectSize(int w, int h)
02109 {
02110 _thd.new_size.x = w * TILE_SIZE;
02111 _thd.new_size.y = h * TILE_SIZE;
02112 _thd.new_outersize.x = 0;
02113 _thd.new_outersize.y = 0;
02114 }
02115
02116 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02117 {
02118 _thd.offs.x = ox * TILE_SIZE;
02119 _thd.offs.y = oy * TILE_SIZE;
02120 _thd.new_outersize.x = sx * TILE_SIZE;
02121 _thd.new_outersize.y = sy * TILE_SIZE;
02122 }
02123
02125 static HighLightStyle GetAutorailHT(int x, int y)
02126 {
02127 return HT_RAIL | _autorail_piece[x & 0xF][y & 0xF];
02128 }
02129
02137 void UpdateTileSelection()
02138 {
02139 int x1;
02140 int y1;
02141
02142 _thd.new_drawstyle = 0;
02143
02144 if (_thd.place_mode == VHM_SPECIAL) {
02145 x1 = _thd.selend.x;
02146 y1 = _thd.selend.y;
02147 if (x1 != -1) {
02148 int x2 = _thd.selstart.x & ~0xF;
02149 int y2 = _thd.selstart.y & ~0xF;
02150 x1 &= ~0xF;
02151 y1 &= ~0xF;
02152
02153 if (x1 >= x2) Swap(x1, x2);
02154 if (y1 >= y2) Swap(y1, y2);
02155 _thd.new_pos.x = x1;
02156 _thd.new_pos.y = y1;
02157 _thd.new_size.x = x2 - x1 + TILE_SIZE;
02158 _thd.new_size.y = y2 - y1 + TILE_SIZE;
02159 _thd.new_drawstyle = _thd.next_drawstyle;
02160 }
02161 } else if (_thd.place_mode != VHM_NONE) {
02162 Point pt = GetTileBelowCursor();
02163 x1 = pt.x;
02164 y1 = pt.y;
02165 if (x1 != -1) {
02166 switch (_thd.place_mode) {
02167 case VHM_RECT:
02168 _thd.new_drawstyle = HT_RECT;
02169 break;
02170 case VHM_POINT:
02171 _thd.new_drawstyle = HT_POINT;
02172 x1 += 8;
02173 y1 += 8;
02174 break;
02175 case VHM_RAIL:
02176 _thd.new_drawstyle = GetAutorailHT(pt.x, pt.y);
02177 break;
02178 default:
02179 NOT_REACHED();
02180 break;
02181 }
02182 _thd.new_pos.x = x1 & ~0xF;
02183 _thd.new_pos.y = y1 & ~0xF;
02184 }
02185 }
02186
02187
02188 if (_thd.drawstyle != _thd.new_drawstyle ||
02189 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02190 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02191 _thd.outersize.x != _thd.new_outersize.x ||
02192 _thd.outersize.y != _thd.new_outersize.y) {
02193
02194 if (_thd.drawstyle) SetSelectionTilesDirty();
02195
02196 _thd.drawstyle = _thd.new_drawstyle;
02197 _thd.pos = _thd.new_pos;
02198 _thd.size = _thd.new_size;
02199 _thd.outersize = _thd.new_outersize;
02200 _thd.dirty = 0xff;
02201
02202
02203 if (_thd.new_drawstyle) SetSelectionTilesDirty();
02204 }
02205 }
02206
02212 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[])
02213 {
02214 if (!_settings_client.gui.measure_tooltip) return;
02215 GuiShowTooltips(str, paramcount, params, true);
02216 }
02217
02219 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02220 {
02221 _thd.select_method = method;
02222 _thd.select_proc = process;
02223 _thd.selend.x = TileX(tile) * TILE_SIZE;
02224 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02225 _thd.selend.y = TileY(tile) * TILE_SIZE;
02226 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02227
02228
02229
02230
02231 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02232 _thd.selend.x += TILE_SIZE / 2;
02233 _thd.selend.y += TILE_SIZE / 2;
02234 _thd.selstart.x += TILE_SIZE / 2;
02235 _thd.selstart.y += TILE_SIZE / 2;
02236 }
02237
02238 if (_thd.place_mode == VHM_RECT) {
02239 _thd.place_mode = VHM_SPECIAL;
02240 _thd.next_drawstyle = HT_RECT;
02241 } else if (_thd.place_mode == VHM_RAIL) {
02242 _thd.place_mode = VHM_SPECIAL;
02243 _thd.next_drawstyle = _thd.drawstyle;
02244 } else {
02245 _thd.place_mode = VHM_SPECIAL;
02246 _thd.next_drawstyle = HT_POINT;
02247 }
02248 _special_mouse_mode = WSM_SIZING;
02249 }
02250
02251 void VpSetPlaceSizingLimit(int limit)
02252 {
02253 _thd.sizelimit = limit;
02254 }
02255
02260 void VpSetPresizeRange(TileIndex from, TileIndex to)
02261 {
02262 uint64 distance = DistanceManhattan(from, to) + 1;
02263
02264 _thd.selend.x = TileX(to) * TILE_SIZE;
02265 _thd.selend.y = TileY(to) * TILE_SIZE;
02266 _thd.selstart.x = TileX(from) * TILE_SIZE;
02267 _thd.selstart.y = TileY(from) * TILE_SIZE;
02268 _thd.next_drawstyle = HT_RECT;
02269
02270
02271 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance);
02272 }
02273
02274 static void VpStartPreSizing()
02275 {
02276 _thd.selend.x = -1;
02277 _special_mouse_mode = WSM_PRESIZE;
02278 }
02279
02282 static HighLightStyle Check2x1AutoRail(int mode)
02283 {
02284 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02285 int sxpy = (_thd.selend.x & 0xF) + (_thd.selend.y & 0xF);
02286 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02287 int sxmy = (_thd.selend.x & 0xF) - (_thd.selend.y & 0xF);
02288
02289 switch (mode) {
02290 default: NOT_REACHED();
02291 case 0:
02292 if (fxpy >= 20 && sxpy <= 12) { return HT_DIR_HL; }
02293 if (fxmy < -3 && sxmy > 3) {return HT_DIR_VR; }
02294 return HT_DIR_Y;
02295
02296 case 1:
02297 if (fxmy > 3 && sxmy < -3) { return HT_DIR_VL; }
02298 if (fxpy <= 12 && sxpy >= 20) { return HT_DIR_HU; }
02299 return HT_DIR_Y;
02300
02301 case 2:
02302 if (fxmy > 3 && sxmy < -3) { return HT_DIR_VL; }
02303 if (fxpy >= 20 && sxpy <= 12) { return HT_DIR_HL; }
02304 return HT_DIR_X;
02305
02306 case 3:
02307 if (fxmy < -3 && sxmy > 3) { return HT_DIR_VR; }
02308 if (fxpy <= 12 && sxpy >= 20) { return HT_DIR_HU; }
02309 return HT_DIR_X;
02310 }
02311 }
02312
02324 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02325 {
02326 uint start_x = TileX(start_tile);
02327 uint start_y = TileY(start_tile);
02328 uint end_x = TileX(end_tile);
02329 uint end_y = TileY(end_tile);
02330
02331 switch (style & HT_DRAG_MASK) {
02332 case HT_RAIL:
02333 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02334
02335 case HT_RECT:
02336 case HT_POINT: return (end_x != start_x && end_y < start_y);
02337 default: NOT_REACHED();
02338 }
02339
02340 return false;
02341 }
02342
02357 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02358 {
02359 bool swap = SwapDirection(style, start_tile, end_tile);
02360 byte style_t;
02361 uint h0, h1, ht;
02362
02363 if (start_tile == end_tile) return 0;
02364 if (swap) Swap(start_tile, end_tile);
02365
02366 switch (style & HT_DRAG_MASK) {
02367 case HT_RECT: {
02368 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02369 {1, 0}, {0, 0},
02370 {0, 1}, {1, 1}
02371 };
02372
02373
02374
02375 style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02376 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02377 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02378 }
02379
02380 case HT_POINT:
02381 h0 = TileHeight(start_tile);
02382 h1 = TileHeight(end_tile);
02383 break;
02384 default: {
02385 static const HighLightStyle flip_style_direction[] = {
02386 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02387 };
02388 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02389 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02390 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02391 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02392
02393 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02394 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02395 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02396 };
02397
02398 distance %= 2;
02399 style &= HT_DIR_MASK;
02400
02401
02402
02403
02404
02405 if (swap && distance == 0) style = flip_style_direction[style];
02406
02407
02408 style_t = style * 2;
02409 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02410 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02411 ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02412 h0 = max(h0, ht);
02413
02414
02415
02416 if (distance == 0) style_t = flip_style_direction[style] * 2;
02417 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02418 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02419 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02420 h1 = max(h1, ht);
02421 } break;
02422 }
02423
02424 if (swap) Swap(h0, h1);
02425
02426 return (int)(h1 - h0) * 50;
02427 }
02428
02429 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02430
02432 static void CalcRaildirsDrawstyle(TileHighlightData *thd, int x, int y, int method)
02433 {
02434 HighLightStyle b;
02435 uint w, h;
02436
02437 int dx = thd->selstart.x - (thd->selend.x & ~0xF);
02438 int dy = thd->selstart.y - (thd->selend.y & ~0xF);
02439 w = abs(dx) + 16;
02440 h = abs(dy) + 16;
02441
02442 if (TileVirtXY(thd->selstart.x, thd->selstart.y) == TileVirtXY(x, y)) {
02443 if (method == VPM_RAILDIRS) {
02444 b = GetAutorailHT(x, y);
02445 } else {
02446 b = HT_RECT;
02447 }
02448 } else if (h == 16) {
02449 if (dx == 16) {
02450 b = (Check2x1AutoRail(3)) | HT_LINE;
02451 } else if (dx == -16) {
02452 b = (Check2x1AutoRail(2)) | HT_LINE;
02453 } else {
02454 b = HT_LINE | HT_DIR_X;
02455 }
02456 y = thd->selstart.y;
02457 } else if (w == 16) {
02458 if (dy == 16) {
02459 b = (Check2x1AutoRail(1)) | HT_LINE;
02460 } else if (dy == -16) {
02461 b = (Check2x1AutoRail(0)) | HT_LINE;
02462 } else {
02463 b = HT_LINE | HT_DIR_Y;
02464 }
02465 x = thd->selstart.x;
02466 } else if (w > h * 2) {
02467 b = HT_LINE | HT_DIR_X;
02468 y = thd->selstart.y;
02469 } else if (h > w * 2) {
02470 b = HT_LINE | HT_DIR_Y;
02471 x = thd->selstart.x;
02472 } else {
02473 int d = w - h;
02474 thd->selend.x = thd->selend.x & ~0xF;
02475 thd->selend.y = thd->selend.y & ~0xF;
02476
02477
02478 if (x > thd->selstart.x) {
02479 if (y > thd->selstart.y) {
02480
02481 if (d == 0) {
02482 b = (x & 0xF) > (y & 0xF) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02483 } else if (d >= 0) {
02484 x = thd->selstart.x + h;
02485 b = HT_LINE | HT_DIR_VL;
02486
02487 } else {
02488 y = thd->selstart.y + w;
02489 b = HT_LINE | HT_DIR_VR;
02490 }
02491 } else {
02492
02493 if (d == 0) {
02494 b = (x & 0xF) + (y & 0xF) >= 0x10 ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02495 } else if (d >= 0) {
02496 x = thd->selstart.x + h;
02497 b = HT_LINE | HT_DIR_HL;
02498 } else {
02499 y = thd->selstart.y - w;
02500 b = HT_LINE | HT_DIR_HU;
02501 }
02502 }
02503 } else {
02504 if (y > thd->selstart.y) {
02505
02506 if (d == 0) {
02507 b = (x & 0xF) + (y & 0xF) >= 0x10 ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02508 } else if (d >= 0) {
02509 x = thd->selstart.x - h;
02510 b = HT_LINE | HT_DIR_HU;
02511
02512 } else {
02513 y = thd->selstart.y + w;
02514 b = HT_LINE | HT_DIR_HL;
02515 }
02516 } else {
02517
02518 if (d == 0) {
02519 b = (x & 0xF) > (y & 0xF) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02520 } else if (d >= 0) {
02521 x = thd->selstart.x - h;
02522 b = HT_LINE | HT_DIR_VR;
02523
02524 } else {
02525 y = thd->selstart.y - w;
02526 b = HT_LINE | HT_DIR_VL;
02527 }
02528 }
02529 }
02530 }
02531
02532 if (_settings_client.gui.measure_tooltip) {
02533 TileIndex t0 = TileVirtXY(thd->selstart.x, thd->selstart.y);
02534 TileIndex t1 = TileVirtXY(x, y);
02535 uint distance = DistanceManhattan(t0, t1) + 1;
02536 byte index = 0;
02537 uint64 params[2];
02538
02539 if (distance != 1) {
02540 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02541
02542
02543
02544 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02545 distance = (distance + 1) / 2;
02546 }
02547
02548 params[index++] = distance;
02549 if (heightdiff != 0) params[index++] = heightdiff;
02550 }
02551
02552 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02553 }
02554
02555 thd->selend.x = x;
02556 thd->selend.y = y;
02557 thd->next_drawstyle = b;
02558 }
02559
02566 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02567 {
02568 int sx, sy;
02569 HighLightStyle style;
02570
02571 if (x == -1) {
02572 _thd.selend.x = -1;
02573 return;
02574 }
02575
02576
02577 if (method == VPM_RAILDIRS || method == VPM_SIGNALDIRS) {
02578 _thd.selend.x = x;
02579 _thd.selend.y = y;
02580 CalcRaildirsDrawstyle(&_thd, x, y, method);
02581 return;
02582 }
02583
02584
02585 if (_thd.next_drawstyle == HT_POINT) {
02586 x += TILE_SIZE / 2;
02587 y += TILE_SIZE / 2;
02588 }
02589
02590 sx = _thd.selstart.x;
02591 sy = _thd.selstart.y;
02592
02593 switch (method) {
02594 case VPM_X_OR_Y:
02595 if (abs(sy - y) < abs(sx - x)) {
02596 y = sy;
02597 style = HT_DIR_X;
02598 } else {
02599 x = sx;
02600 style = HT_DIR_Y;
02601 }
02602 goto calc_heightdiff_single_direction;
02603 case VPM_FIX_X:
02604 x = sx;
02605 style = HT_DIR_Y;
02606 goto calc_heightdiff_single_direction;
02607 case VPM_FIX_Y:
02608 y = sy;
02609 style = HT_DIR_X;
02610
02611 calc_heightdiff_single_direction:;
02612 if (_settings_client.gui.measure_tooltip) {
02613 TileIndex t0 = TileVirtXY(sx, sy);
02614 TileIndex t1 = TileVirtXY(x, y);
02615 uint distance = DistanceManhattan(t0, t1) + 1;
02616 byte index = 0;
02617 uint64 params[2];
02618
02619 if (distance != 1) {
02620
02621
02622
02623
02624
02625 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02626
02627 params[index++] = distance;
02628 if (heightdiff != 0) params[index++] = heightdiff;
02629 }
02630
02631 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02632 } break;
02633
02634 case VPM_X_AND_Y_LIMITED: {
02635 int limit = (_thd.sizelimit - 1) * TILE_SIZE;
02636 x = sx + Clamp(x - sx, -limit, limit);
02637 y = sy + Clamp(y - sy, -limit, limit);
02638 }
02639 case VPM_X_AND_Y: {
02640 if (_settings_client.gui.measure_tooltip) {
02641 static const StringID measure_strings_area[] = {
02642 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02643 };
02644
02645 TileIndex t0 = TileVirtXY(sx, sy);
02646 TileIndex t1 = TileVirtXY(x, y);
02647 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02648 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02649 byte index = 0;
02650 uint64 params[3];
02651
02652
02653
02654 style = (HighLightStyle)_thd.next_drawstyle;
02655 if (style & HT_RECT) {
02656 if (dx == 1) {
02657 style = HT_LINE | HT_DIR_Y;
02658 } else if (dy == 1) {
02659 style = HT_LINE | HT_DIR_X;
02660 }
02661 }
02662
02663 if (dx != 1 || dy != 1) {
02664 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02665
02666 params[index++] = dx;
02667 params[index++] = dy;
02668 if (heightdiff != 0) params[index++] = heightdiff;
02669 }
02670
02671 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02672 }
02673 break;
02674
02675 }
02676 default: NOT_REACHED();
02677 }
02678
02679 _thd.selend.x = x;
02680 _thd.selend.y = y;
02681 }
02682
02687 bool VpHandlePlaceSizingDrag()
02688 {
02689 if (_special_mouse_mode != WSM_SIZING) return true;
02690
02691
02692 Window *w = FindWindowById(_thd.window_class, _thd.window_number);
02693 if (w == NULL) {
02694 ResetObjectToPlace();
02695 return false;
02696 }
02697
02698
02699 if (_left_button_down) {
02700 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02701 return false;
02702 }
02703
02704
02705
02706 _special_mouse_mode = WSM_NONE;
02707 if (_thd.next_drawstyle == HT_RECT) {
02708 _thd.place_mode = VHM_RECT;
02709 } else if (_thd.select_method == VPM_SIGNALDIRS) {
02710 _thd.place_mode = VHM_RECT;
02711 } else if (_thd.next_drawstyle & HT_LINE) {
02712 _thd.place_mode = VHM_RAIL;
02713 } else if (_thd.next_drawstyle & HT_RAIL) {
02714 _thd.place_mode = VHM_RAIL;
02715 } else {
02716 _thd.place_mode = VHM_POINT;
02717 }
02718 SetTileSelectSize(1, 1);
02719
02720 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02721
02722 return false;
02723 }
02724
02725 void SetObjectToPlaceWnd(CursorID icon, SpriteID pal, ViewportHighlightMode mode, Window *w)
02726 {
02727 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02728 }
02729
02730 #include "table/animcursors.h"
02731
02732 void SetObjectToPlace(CursorID icon, SpriteID pal, ViewportHighlightMode mode, WindowClass window_class, WindowNumber window_num)
02733 {
02734
02735 if (_thd.place_mode != VHM_NONE || _special_mouse_mode == WSM_DRAGDROP) {
02736 Window *w = FindWindowById(_thd.window_class, _thd.window_number);
02737 if (w != NULL) {
02738
02739
02740
02741
02742
02743 _thd.window_class = WC_INVALID;
02744 w->OnPlaceObjectAbort();
02745 }
02746 }
02747
02748 SetTileSelectSize(1, 1);
02749
02750 _thd.make_square_red = false;
02751
02752 if (mode == VHM_DRAG) {
02753 mode = VHM_NONE;
02754 _special_mouse_mode = WSM_DRAGDROP;
02755 } else {
02756 _special_mouse_mode = WSM_NONE;
02757 }
02758
02759 _thd.place_mode = mode;
02760 _thd.window_class = window_class;
02761 _thd.window_number = window_num;
02762
02763 if (mode == VHM_SPECIAL)
02764 VpStartPreSizing();
02765
02766 if ((int)icon < 0) {
02767 SetAnimatedMouseCursor(_animcursors[~icon]);
02768 } else {
02769 SetMouseCursor(icon, pal);
02770 }
02771
02772 }
02773
02774 void ResetObjectToPlace()
02775 {
02776 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, VHM_NONE, WC_MAIN_WINDOW, 0);
02777 }