00001
00002
00003
00004
00005
00006
00007
00008
00009
00029 #include "stdafx.h"
00030 #include "landscape.h"
00031 #include "viewport_func.h"
00032 #include "station_base.h"
00033 #include "waypoint_base.h"
00034 #include "town.h"
00035 #include "signs_base.h"
00036 #include "signs_func.h"
00037 #include "vehicle_base.h"
00038 #include "vehicle_gui.h"
00039 #include "blitter/factory.hpp"
00040 #include "strings_func.h"
00041 #include "zoom_func.h"
00042 #include "vehicle_func.h"
00043 #include "company_func.h"
00044 #include "waypoint_func.h"
00045 #include "window_func.h"
00046 #include "tilehighlight_func.h"
00047 #include "window_gui.h"
00048 #include "terraform_gui.h"
00049
00050 #include "table/strings.h"
00051
00052 PlaceProc *_place_proc;
00053 Point _tile_fract_coords;
00054
00055 struct StringSpriteToDraw {
00056 StringID string;
00057 Colours colour;
00058 int32 x;
00059 int32 y;
00060 uint64 params[2];
00061 uint16 width;
00062 };
00063
00064 struct TileSpriteToDraw {
00065 SpriteID image;
00066 PaletteID pal;
00067 const SubSprite *sub;
00068 int32 x;
00069 int32 y;
00070 };
00071
00072 struct ChildScreenSpriteToDraw {
00073 SpriteID image;
00074 PaletteID pal;
00075 const SubSprite *sub;
00076 int32 x;
00077 int32 y;
00078 int next;
00079 };
00080
00082 struct ParentSpriteToDraw {
00083 SpriteID image;
00084 PaletteID pal;
00085 const SubSprite *sub;
00086
00087 int32 x;
00088 int32 y;
00089
00090 int32 left;
00091 int32 top;
00092
00093 int32 xmin;
00094 int32 xmax;
00095 int32 ymin;
00096 int32 ymax;
00097 int zmin;
00098 int zmax;
00099
00100 int first_child;
00101 bool comparison_done;
00102 };
00103
00105 enum FoundationPart {
00106 FOUNDATION_PART_NONE = 0xFF,
00107 FOUNDATION_PART_NORMAL = 0,
00108 FOUNDATION_PART_HALFTILE = 1,
00109 FOUNDATION_PART_END
00110 };
00111
00116 enum SpriteCombineMode {
00117 SPRITE_COMBINE_NONE,
00118 SPRITE_COMBINE_PENDING,
00119 SPRITE_COMBINE_ACTIVE,
00120 };
00121
00122 typedef SmallVector<TileSpriteToDraw, 64> TileSpriteToDrawVector;
00123 typedef SmallVector<StringSpriteToDraw, 4> StringSpriteToDrawVector;
00124 typedef SmallVector<ParentSpriteToDraw, 64> ParentSpriteToDrawVector;
00125 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
00126 typedef SmallVector<ChildScreenSpriteToDraw, 16> ChildScreenSpriteToDrawVector;
00127
00129 struct ViewportDrawer {
00130 DrawPixelInfo dpi;
00131
00132 StringSpriteToDrawVector string_sprites_to_draw;
00133 TileSpriteToDrawVector tile_sprites_to_draw;
00134 ParentSpriteToDrawVector parent_sprites_to_draw;
00135 ParentSpriteToSortVector parent_sprites_to_sort;
00136 ChildScreenSpriteToDrawVector child_screen_sprites_to_draw;
00137
00138 int *last_child;
00139
00140 SpriteCombineMode combine_sprites;
00141
00142 int foundation[FOUNDATION_PART_END];
00143 FoundationPart foundation_part;
00144 int *last_foundation_child[FOUNDATION_PART_END];
00145 Point foundation_offset[FOUNDATION_PART_END];
00146 };
00147
00148 static ViewportDrawer _vd;
00149
00150 TileHighlightData _thd;
00151 static TileInfo *_cur_ti;
00152 bool _draw_bounding_boxes = false;
00153
00154 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00155 {
00156 Point p = RemapCoords(x, y, z);
00157 p.x -= vp->virtual_width / 2;
00158 p.y -= vp->virtual_height / 2;
00159 return p;
00160 }
00161
00162 void DeleteWindowViewport(Window *w)
00163 {
00164 free(w->viewport);
00165 w->viewport = NULL;
00166 }
00167
00180 void InitializeWindowViewport(Window *w, int x, int y,
00181 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00182 {
00183 assert(w->viewport == NULL);
00184
00185 ViewportData *vp = CallocT<ViewportData>(1);
00186
00187 vp->left = x + w->left;
00188 vp->top = y + w->top;
00189 vp->width = width;
00190 vp->height = height;
00191
00192 vp->zoom = zoom;
00193
00194 vp->virtual_width = ScaleByZoom(width, zoom);
00195 vp->virtual_height = ScaleByZoom(height, zoom);
00196
00197 Point pt;
00198
00199 if (follow_flags & 0x80000000) {
00200 const Vehicle *veh;
00201
00202 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFF);
00203 veh = Vehicle::Get(vp->follow_vehicle);
00204 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00205 } else {
00206 uint x = TileX(follow_flags) * TILE_SIZE;
00207 uint y = TileY(follow_flags) * TILE_SIZE;
00208
00209 vp->follow_vehicle = INVALID_VEHICLE;
00210 pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
00211 }
00212
00213 vp->scrollpos_x = pt.x;
00214 vp->scrollpos_y = pt.y;
00215 vp->dest_scrollpos_x = pt.x;
00216 vp->dest_scrollpos_y = pt.y;
00217
00218 w->viewport = vp;
00219 vp->virtual_left = 0;
00220 vp->virtual_top = 0;
00221 }
00222
00223 static Point _vp_move_offs;
00224
00225 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00226 {
00227 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00228 if (left + width > w->left &&
00229 w->left + w->width > left &&
00230 top + height > w->top &&
00231 w->top + w->height > top) {
00232
00233 if (left < w->left) {
00234 DoSetViewportPosition(w, left, top, w->left - left, height);
00235 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00236 return;
00237 }
00238
00239 if (left + width > w->left + w->width) {
00240 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00241 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00242 return;
00243 }
00244
00245 if (top < w->top) {
00246 DoSetViewportPosition(w, left, top, width, (w->top - top));
00247 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00248 return;
00249 }
00250
00251 if (top + height > w->top + w->height) {
00252 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00253 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00254 return;
00255 }
00256
00257 return;
00258 }
00259 }
00260
00261 {
00262 int xo = _vp_move_offs.x;
00263 int yo = _vp_move_offs.y;
00264
00265 if (abs(xo) >= width || abs(yo) >= height) {
00266
00267 RedrawScreenRect(left, top, left + width, top + height);
00268 return;
00269 }
00270
00271 GfxScroll(left, top, width, height, xo, yo);
00272
00273 if (xo > 0) {
00274 RedrawScreenRect(left, top, xo + left, top + height);
00275 left += xo;
00276 width -= xo;
00277 } else if (xo < 0) {
00278 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00279 width += xo;
00280 }
00281
00282 if (yo > 0) {
00283 RedrawScreenRect(left, top, width + left, top + yo);
00284 } else if (yo < 0) {
00285 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00286 }
00287 }
00288 }
00289
00290 static void SetViewportPosition(Window *w, int x, int y)
00291 {
00292 ViewPort *vp = w->viewport;
00293 int old_left = vp->virtual_left;
00294 int old_top = vp->virtual_top;
00295 int i;
00296 int left, top, width, height;
00297
00298 vp->virtual_left = x;
00299 vp->virtual_top = y;
00300
00301
00302
00303
00304 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00305 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00306 x = UnScaleByZoomLower(x, vp->zoom);
00307 y = UnScaleByZoomLower(y, vp->zoom);
00308
00309 old_left -= x;
00310 old_top -= y;
00311
00312 if (old_top == 0 && old_left == 0) return;
00313
00314 _vp_move_offs.x = old_left;
00315 _vp_move_offs.y = old_top;
00316
00317 left = vp->left;
00318 top = vp->top;
00319 width = vp->width;
00320 height = vp->height;
00321
00322 if (left < 0) {
00323 width += left;
00324 left = 0;
00325 }
00326
00327 i = left + width - _screen.width;
00328 if (i >= 0) width -= i;
00329
00330 if (width > 0) {
00331 if (top < 0) {
00332 height += top;
00333 top = 0;
00334 }
00335
00336 i = top + height - _screen.height;
00337 if (i >= 0) height -= i;
00338
00339 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00340 }
00341 }
00342
00351 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00352 {
00353 ViewPort *vp = w->viewport;
00354
00355 if (vp != NULL &&
00356 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00357 IsInsideMM(y, vp->top, vp->top + vp->height))
00358 return vp;
00359
00360 return NULL;
00361 }
00362
00370 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00371 {
00372 Point pt;
00373 int a, b;
00374 uint z;
00375
00376 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00377 (uint)(y -= vp->top) >= (uint)vp->height) {
00378 Point pt = {-1, -1};
00379 return pt;
00380 }
00381
00382 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> 2;
00383 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> 1;
00384
00385 a = y - x;
00386 b = y + x;
00387
00388
00389
00390
00391 a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00392 b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00393
00394
00395
00396
00397
00398
00399
00400
00401 z = 0;
00402
00403 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00404
00405 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;
00406 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;
00407 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;
00408
00409 pt.x = Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1);
00410 pt.y = Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1);
00411
00412 return pt;
00413 }
00414
00415
00416
00417
00418 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00419 {
00420 Window *w;
00421 ViewPort *vp;
00422 Point pt;
00423
00424 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00425 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00426 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00427
00428 pt.y = pt.x = -1;
00429 return pt;
00430 }
00431
00432 Point GetTileBelowCursor()
00433 {
00434 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00435 }
00436
00437
00438 Point GetTileZoomCenterWindow(bool in, Window * w)
00439 {
00440 int x, y;
00441 ViewPort *vp = w->viewport;
00442
00443 if (in) {
00444 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00445 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00446 } else {
00447 x = vp->width - (_cursor.pos.x - vp->left);
00448 y = vp->height - (_cursor.pos.y - vp->top);
00449 }
00450
00451 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00452 }
00453
00462 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00463 {
00464 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
00465 w->SetWidgetDirty(widget_zoom_in);
00466
00467 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
00468 w->SetWidgetDirty(widget_zoom_out);
00469 }
00470
00483 static void AddTileSpriteToDraw(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0)
00484 {
00485 assert((image & SPRITE_MASK) < MAX_SPRITES);
00486
00487 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00488 ts->image = image;
00489 ts->pal = pal;
00490 ts->sub = sub;
00491 Point pt = RemapCoords(x, y, z);
00492 ts->x = pt.x + extra_offs_x;
00493 ts->y = pt.y + extra_offs_y;
00494 }
00495
00508 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00509 {
00510 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00511 assert(_vd.foundation[foundation_part] != -1);
00512 Point offs = _vd.foundation_offset[foundation_part];
00513
00514
00515 int *old_child = _vd.last_child;
00516 _vd.last_child = _vd.last_foundation_child[foundation_part];
00517
00518 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
00519
00520
00521 _vd.last_child = old_child;
00522 }
00523
00537 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00538 {
00539
00540 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00541
00542 if (_vd.foundation[_vd.foundation_part] != -1) {
00543 Point pt = RemapCoords(x, y, z);
00544 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x, pt.y + extra_offs_y);
00545 } else {
00546 AddTileSpriteToDraw(image, pal, _cur_ti->x + x, _cur_ti->y + y, _cur_ti->z + z, sub, extra_offs_x, extra_offs_y);
00547 }
00548 }
00549
00560 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00561 {
00562 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00563 }
00564
00572 void OffsetGroundSprite(int x, int y)
00573 {
00574
00575 switch (_vd.foundation_part) {
00576 case FOUNDATION_PART_NONE:
00577 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00578 break;
00579 case FOUNDATION_PART_NORMAL:
00580 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00581 break;
00582 default: NOT_REACHED();
00583 }
00584
00585
00586 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00587
00588 _vd.foundation_offset[_vd.foundation_part].x = x;
00589 _vd.foundation_offset[_vd.foundation_part].y = y;
00590 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00591 }
00592
00604 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, byte z, const SubSprite *sub)
00605 {
00606 Point pt = RemapCoords(x, y, z);
00607 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00608
00609 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00610 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00611 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00612 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00613 return;
00614
00615 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00616 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub);
00617 }
00618
00644 void AddSortableSpriteToDraw(SpriteID image, PaletteID 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)
00645 {
00646 int32 left, right, top, bottom;
00647
00648 assert((image & SPRITE_MASK) < MAX_SPRITES);
00649
00650
00651 if (transparent) {
00652 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00653 pal = PALETTE_TO_TRANSPARENT;
00654 }
00655
00656 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00657 AddCombinedSprite(image, pal, x, y, z, sub);
00658 return;
00659 }
00660
00661 _vd.last_child = NULL;
00662
00663 Point pt = RemapCoords(x, y, z);
00664 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00665
00666
00667 if (image == SPR_EMPTY_BOUNDING_BOX) {
00668 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00669 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00670 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00671 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00672 } else {
00673 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00674 left = tmp_left = (pt.x += spr->x_offs);
00675 right = (pt.x + spr->width );
00676 top = tmp_top = (pt.y += spr->y_offs);
00677 bottom = (pt.y + spr->height);
00678 }
00679
00680 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00681
00682 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00683 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00684 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00685 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00686 }
00687
00688
00689 if (left >= _vd.dpi.left + _vd.dpi.width ||
00690 right <= _vd.dpi.left ||
00691 top >= _vd.dpi.top + _vd.dpi.height ||
00692 bottom <= _vd.dpi.top) {
00693 return;
00694 }
00695
00696 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00697 ps->x = tmp_x;
00698 ps->y = tmp_y;
00699
00700 ps->left = tmp_left;
00701 ps->top = tmp_top;
00702
00703 ps->image = image;
00704 ps->pal = pal;
00705 ps->sub = sub;
00706 ps->xmin = x + bb_offset_x;
00707 ps->xmax = x + max(bb_offset_x, w) - 1;
00708
00709 ps->ymin = y + bb_offset_y;
00710 ps->ymax = y + max(bb_offset_y, h) - 1;
00711
00712 ps->zmin = z + bb_offset_z;
00713 ps->zmax = z + max(bb_offset_z, dz) - 1;
00714
00715 ps->comparison_done = false;
00716 ps->first_child = -1;
00717
00718 _vd.last_child = &ps->first_child;
00719
00720 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00721 }
00722
00741 void StartSpriteCombine()
00742 {
00743 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00744 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00745 }
00746
00751 void EndSpriteCombine()
00752 {
00753 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00754 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00755 }
00756
00766 static bool IsInRangeInclusive(int begin, int end, int check)
00767 {
00768 if (begin > end) Swap(begin, end);
00769 return begin <= check && check <= end;
00770 }
00771
00778 bool IsInsideRotatedRectangle(int x, int y)
00779 {
00780 int dist_a = (_thd.size.x + _thd.size.y);
00781 int dist_b = (_thd.size.x - _thd.size.y);
00782 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00783 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00784
00785
00786 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00787 }
00788
00799 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub)
00800 {
00801 assert((image & SPRITE_MASK) < MAX_SPRITES);
00802
00803
00804 if (_vd.last_child == NULL) return;
00805
00806
00807 if (transparent) {
00808 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00809 pal = PALETTE_TO_TRANSPARENT;
00810 }
00811
00812 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00813
00814 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00815 cs->image = image;
00816 cs->pal = pal;
00817 cs->sub = sub;
00818 cs->x = x;
00819 cs->y = y;
00820 cs->next = -1;
00821
00822
00823
00824
00825 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00826 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00827 _vd.last_child = &cs->next;
00828 }
00829
00830 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00831 {
00832 assert(width != 0);
00833 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00834 ss->string = string;
00835 ss->x = x;
00836 ss->y = y;
00837 ss->params[0] = params_1;
00838 ss->params[1] = params_2;
00839 ss->width = width;
00840 ss->colour = colour;
00841 }
00842
00843
00855 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00856 {
00857
00858 if (_vd.foundation[foundation_part] == -1) {
00859
00860 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00861 } else {
00862
00863 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
00864 }
00865 }
00866
00873 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00874 {
00875 if (!IsValidTile(ti->tile)) return;
00876
00877 SpriteID sel;
00878 if (IsHalftileSlope(ti->tileh)) {
00879 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00880 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00881 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00882
00883 Corner opposite_corner = OppositeCorner(halftile_corner);
00884 if (IsSteepSlope(ti->tileh)) {
00885 sel = SPR_HALFTILE_SELECTION_DOWN;
00886 } else {
00887 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00888 }
00889 sel += opposite_corner;
00890 } else {
00891 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00892 }
00893 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00894 }
00895
00896 static bool IsPartOfAutoLine(int px, int py)
00897 {
00898 px -= _thd.selstart.x;
00899 py -= _thd.selstart.y;
00900
00901 if ((_thd.drawstyle & ~HT_DIR_MASK) != HT_LINE) return false;
00902
00903 switch (_thd.drawstyle & HT_DIR_MASK) {
00904 case HT_DIR_X: return py == 0;
00905 case HT_DIR_Y: return px == 0;
00906 case HT_DIR_HU: return px == -py || px == -py - 16;
00907 case HT_DIR_HL: return px == -py || px == -py + 16;
00908 case HT_DIR_VL: return px == py || px == py + 16;
00909 case HT_DIR_VR: return px == py || px == py - 16;
00910 default:
00911 NOT_REACHED();
00912 }
00913 }
00914
00915
00916 static const HighLightStyle _autorail_type[6][2] = {
00917 { HT_DIR_X, HT_DIR_X },
00918 { HT_DIR_Y, HT_DIR_Y },
00919 { HT_DIR_HU, HT_DIR_HL },
00920 { HT_DIR_HL, HT_DIR_HU },
00921 { HT_DIR_VL, HT_DIR_VR },
00922 { HT_DIR_VR, HT_DIR_VL }
00923 };
00924
00925 #include "table/autorail.h"
00926
00933 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00934 {
00935 SpriteID image;
00936 PaletteID pal;
00937 int offset;
00938
00939 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00940 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00941 if (IsHalftileSlope(ti->tileh)) {
00942 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00943 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00944 if (autorail_type != _lower_rail[halftile_corner]) {
00945 foundation_part = FOUNDATION_PART_HALFTILE;
00946
00947 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00948 }
00949 }
00950
00951 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00952 if (offset >= 0) {
00953 image = SPR_AUTORAIL_BASE + offset;
00954 pal = PAL_NONE;
00955 } else {
00956 image = SPR_AUTORAIL_BASE - offset;
00957 pal = PALETTE_SEL_TILE_RED;
00958 }
00959
00960 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00961 }
00962
00967 static void DrawTileSelection(const TileInfo *ti)
00968 {
00969
00970 bool is_redsq = _thd.redsq == ti->tile;
00971 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00972
00973
00974 if (_thd.drawstyle == 0) return;
00975
00976 if (_thd.diagonal) {
00977 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) {
00978 if (_thd.drawstyle & HT_RECT) {
00979
00980 if (!IsValidTile(ti->tile)) return;
00981
00982 SpriteID image = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00983 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE, ti, 7, FOUNDATION_PART_NORMAL);
00984 } else {
00985
00986 byte z = ti->z;
00987 if (ti->tileh & SLOPE_N) {
00988 z += TILE_HEIGHT;
00989 if (!(ti->tileh & SLOPE_S) && (ti->tileh & SLOPE_STEEP)) {
00990 z += TILE_HEIGHT;
00991 }
00992 }
00993 AddTileSpriteToDraw(_cur_dpi->zoom != 2 ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti->x, ti->y, z);
00994 }
00995 }
00996 return;
00997 }
00998
00999
01000 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
01001 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
01002 if (_thd.drawstyle & HT_RECT) {
01003 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
01004 } else if (_thd.drawstyle & HT_POINT) {
01005
01006 byte z = 0;
01007 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
01008 if (ti->tileh & SLOPE_N) {
01009 z += TILE_HEIGHT;
01010 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
01011 }
01012 if (IsHalftileSlope(ti->tileh)) {
01013 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
01014 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
01015 if (halftile_corner != CORNER_S) {
01016 foundation_part = FOUNDATION_PART_HALFTILE;
01017 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
01018 }
01019 }
01020 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01021 } else if (_thd.drawstyle & HT_RAIL) {
01022
01023 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01024 assert(type < HT_DIR_END);
01025 DrawAutorailSelection(ti, _autorail_type[type][0]);
01026 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01027
01028 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01029 uint side;
01030
01031 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01032 side = 0;
01033 } else {
01034 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01035 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01036 }
01037
01038 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01039 }
01040 return;
01041 }
01042
01043
01044 if (!is_redsq && _thd.outersize.x &&
01045 _thd.size.x < _thd.size.x + _thd.outersize.x &&
01046 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01047 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01048
01049 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01050 return;
01051 }
01052 }
01053
01054 static void ViewportAddLandscape()
01055 {
01056 int x, y, width, height;
01057 TileInfo ti;
01058 bool direction;
01059
01060 _cur_ti = &ti;
01061
01062
01063 x = ((_vd.dpi.top >> 1) - (_vd.dpi.left >> 2)) & ~TILE_UNIT_MASK;
01064 y = ((_vd.dpi.top >> 1) + (_vd.dpi.left >> 2) - TILE_SIZE) & ~TILE_UNIT_MASK;
01065
01066
01067 {
01068 Point pt = RemapCoords(x, y, 241);
01069 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 95) >> 6;
01070 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> 5 << 1;
01071 }
01072
01073 assert(width > 0);
01074 assert(height > 0);
01075
01076 direction = false;
01077
01078 do {
01079 int width_cur = width;
01080 uint x_cur = x;
01081 uint y_cur = y;
01082
01083 do {
01084 TileType tt = MP_VOID;
01085
01086 ti.x = x_cur;
01087 ti.y = y_cur;
01088
01089 ti.z = 0;
01090
01091 ti.tileh = SLOPE_FLAT;
01092 ti.tile = INVALID_TILE;
01093
01094 if (x_cur < MapMaxX() * TILE_SIZE &&
01095 y_cur < MapMaxY() * TILE_SIZE) {
01096 TileIndex tile = TileVirtXY(x_cur, y_cur);
01097
01098 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01099 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01100 uint maxh = max<uint>(TileHeight(tile), 1);
01101 for (uint h = 0; h < maxh; h++) {
01102 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01103 }
01104 }
01105
01106 ti.tile = tile;
01107 ti.tileh = GetTileSlope(tile, &ti.z);
01108 tt = GetTileType(tile);
01109 }
01110 }
01111
01112 _vd.foundation_part = FOUNDATION_PART_NONE;
01113 _vd.foundation[0] = -1;
01114 _vd.foundation[1] = -1;
01115 _vd.last_foundation_child[0] = NULL;
01116 _vd.last_foundation_child[1] = NULL;
01117
01118 _tile_type_procs[tt]->draw_tile_proc(&ti);
01119
01120 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01121 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01122 TileIndex tile = TileVirtXY(x_cur, y_cur);
01123 ti.tile = tile;
01124 ti.tileh = GetTileSlope(tile, &ti.z);
01125 tt = GetTileType(tile);
01126 }
01127 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01128
01129 y_cur += 0x10;
01130 x_cur -= 0x10;
01131 } while (--width_cur);
01132
01133 if ((direction ^= 1) != 0) {
01134 y += 0x10;
01135 } else {
01136 x += 0x10;
01137 }
01138 } while (--height);
01139 }
01140
01151 void ViewportAddString(const DrawPixelInfo *dpi, ZoomLevel small_from, const ViewportSign *sign, StringID string_normal, StringID string_small, StringID string_small_shadow, uint64 params_1, uint64 params_2, Colours colour)
01152 {
01153 bool small = dpi->zoom >= small_from;
01154
01155 int left = dpi->left;
01156 int top = dpi->top;
01157 int right = left + dpi->width;
01158 int bottom = top + dpi->height;
01159
01160 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01161 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01162
01163 if (bottom < sign->top ||
01164 top > sign->top + sign_height ||
01165 right < sign->center - sign_half_width ||
01166 left > sign->center + sign_half_width) {
01167 return;
01168 }
01169
01170 if (!small) {
01171 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01172 } else {
01173 int shadow_offset = 0;
01174 if (string_small_shadow != STR_NULL) {
01175 shadow_offset = 4;
01176 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01177 }
01178 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01179 colour, sign->width_small | 0x8000);
01180 }
01181 }
01182
01183 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01184 {
01185 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01186
01187 const Town *t;
01188 FOR_ALL_TOWNS(t) {
01189 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &t->sign,
01190 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01191 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01192 t->index, t->population);
01193 }
01194 }
01195
01196
01197 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01198 {
01199 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01200
01201 const BaseStation *st;
01202 FOR_ALL_BASE_STATIONS(st) {
01203
01204 bool is_station = Station::IsExpected(st);
01205
01206
01207 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01208
01209 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &st->sign,
01210 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01211 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01212 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01213 }
01214 }
01215
01216
01217 static void ViewportAddSigns(DrawPixelInfo *dpi)
01218 {
01219
01220 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01221
01222 const Sign *si;
01223 FOR_ALL_SIGNS(si) {
01224 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &si->sign,
01225 STR_WHITE_SIGN,
01226 IsTransparencySet(TO_SIGNS) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01227 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : _company_colours[si->owner]);
01228 }
01229 }
01230
01237 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01238 {
01239 if (this->width_normal != 0) this->MarkDirty();
01240
01241 this->top = top;
01242
01243 char buffer[DRAW_STRING_BUFFER];
01244
01245 GetString(buffer, str, lastof(buffer));
01246 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01247 this->center = center;
01248
01249
01250 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01251
01252 this->MarkDirty();
01253 }
01254
01260 void ViewportSign::MarkDirty() const
01261 {
01262
01263
01264
01265
01266 MarkAllViewportsDirty(
01267 this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01268 this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
01269 this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01270 this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
01271 }
01272
01273 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01274 {
01275 const TileSpriteToDraw *tsend = tstdv->End();
01276 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01277 DrawSprite(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01278 }
01279 }
01280
01282 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01283 {
01284 ParentSpriteToDraw **psdvend = psdv->End();
01285 ParentSpriteToDraw **psd = psdv->Begin();
01286 while (psd != psdvend) {
01287 ParentSpriteToDraw *ps = *psd;
01288
01289 if (ps->comparison_done) {
01290 psd++;
01291 continue;
01292 }
01293
01294 ps->comparison_done = true;
01295
01296 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01297 ParentSpriteToDraw *ps2 = *psd2;
01298
01299 if (ps2->comparison_done) continue;
01300
01301
01302
01303
01304 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01305 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01306 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01307
01308
01309
01310
01311
01312
01313 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01314 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01315 continue;
01316 }
01317 } else {
01318
01319
01320
01321
01322 if (ps->xmax < ps2->xmin ||
01323 ps->ymax < ps2->ymin ||
01324 ps->zmax < ps2->zmin) {
01325 continue;
01326 }
01327 }
01328
01329
01330 ParentSpriteToDraw *temp = ps2;
01331 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01332 *psd3 = *(psd3 - 1);
01333 }
01334 *psd = temp;
01335 }
01336 }
01337 }
01338
01339 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01340 {
01341 const ParentSpriteToDraw * const *psd_end = psd->End();
01342 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01343 const ParentSpriteToDraw *ps = *it;
01344 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01345
01346 int child_idx = ps->first_child;
01347 while (child_idx >= 0) {
01348 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01349 child_idx = cs->next;
01350 DrawSprite(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01351 }
01352 }
01353 }
01354
01359 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01360 {
01361 const ParentSpriteToDraw * const *psd_end = psd->End();
01362 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01363 const ParentSpriteToDraw *ps = *it;
01364 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01365 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01366 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01367 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01368
01369 DrawBox( pt1.x, pt1.y,
01370 pt2.x - pt1.x, pt2.y - pt1.y,
01371 pt3.x - pt1.x, pt3.y - pt1.y,
01372 pt4.x - pt1.x, pt4.y - pt1.y);
01373 }
01374 }
01375
01376 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01377 {
01378 DrawPixelInfo dp;
01379 ZoomLevel zoom;
01380
01381 _cur_dpi = &dp;
01382 dp = *dpi;
01383
01384 zoom = dp.zoom;
01385 dp.zoom = ZOOM_LVL_NORMAL;
01386
01387 dp.left = UnScaleByZoom(dp.left, zoom);
01388 dp.top = UnScaleByZoom(dp.top, zoom);
01389 dp.width = UnScaleByZoom(dp.width, zoom);
01390 dp.height = UnScaleByZoom(dp.height, zoom);
01391
01392 const StringSpriteToDraw *ssend = sstdv->End();
01393 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01394 TextColour colour = TC_BLACK;
01395 bool small = HasBit(ss->width, 15);
01396 int w = GB(ss->width, 0, 15);
01397 int x = UnScaleByZoom(ss->x, zoom);
01398 int y = UnScaleByZoom(ss->y, zoom);
01399 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01400
01401 SetDParam(0, ss->params[0]);
01402 SetDParam(1, ss->params[1]);
01403
01404 if (ss->colour != INVALID_COLOUR) {
01405
01406 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01407
01408
01409
01410 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01411
01412
01413 colour = (TextColour)_colour_gradient[ss->colour][6] | IS_PALETTE_COLOUR;
01414 }
01415
01416
01417
01418 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01419 DrawFrameRect(
01420 x, y, x + w, y + h, ss->colour,
01421 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01422 );
01423 }
01424 }
01425
01426 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01427 }
01428 }
01429
01430 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01431 {
01432 DrawPixelInfo *old_dpi = _cur_dpi;
01433 _cur_dpi = &_vd.dpi;
01434
01435 _vd.dpi.zoom = vp->zoom;
01436 int mask = ScaleByZoom(-1, vp->zoom);
01437
01438 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01439
01440 _vd.dpi.width = (right - left) & mask;
01441 _vd.dpi.height = (bottom - top) & mask;
01442 _vd.dpi.left = left & mask;
01443 _vd.dpi.top = top & mask;
01444 _vd.dpi.pitch = old_dpi->pitch;
01445 _vd.last_child = NULL;
01446
01447 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01448 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01449
01450 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01451
01452 ViewportAddLandscape();
01453 ViewportAddVehicles(&_vd.dpi);
01454
01455 ViewportAddTownNames(&_vd.dpi);
01456 ViewportAddStationNames(&_vd.dpi);
01457 ViewportAddSigns(&_vd.dpi);
01458
01459 DrawTextEffects(&_vd.dpi);
01460
01461 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01462
01463 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01464 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01465 *_vd.parent_sprites_to_sort.Append() = it;
01466 }
01467
01468 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01469 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01470
01471 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01472
01473 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01474
01475 _cur_dpi = old_dpi;
01476
01477 _vd.string_sprites_to_draw.Clear();
01478 _vd.tile_sprites_to_draw.Clear();
01479 _vd.parent_sprites_to_draw.Clear();
01480 _vd.parent_sprites_to_sort.Clear();
01481 _vd.child_screen_sprites_to_draw.Clear();
01482 }
01483
01488 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01489 {
01490 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000) {
01491 if ((bottom - top) > (right - left)) {
01492 int t = (top + bottom) >> 1;
01493 ViewportDrawChk(vp, left, top, right, t);
01494 ViewportDrawChk(vp, left, t, right, bottom);
01495 } else {
01496 int t = (left + right) >> 1;
01497 ViewportDrawChk(vp, left, top, t, bottom);
01498 ViewportDrawChk(vp, t, top, right, bottom);
01499 }
01500 } else {
01501 ViewportDoDraw(vp,
01502 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01503 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01504 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01505 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01506 );
01507 }
01508 }
01509
01510 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01511 {
01512 if (right <= vp->left || bottom <= vp->top) return;
01513
01514 if (left >= vp->left + vp->width) return;
01515
01516 if (left < vp->left) left = vp->left;
01517 if (right > vp->left + vp->width) right = vp->left + vp->width;
01518
01519 if (top >= vp->top + vp->height) return;
01520
01521 if (top < vp->top) top = vp->top;
01522 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01523
01524 ViewportDrawChk(vp, left, top, right, bottom);
01525 }
01526
01530 void Window::DrawViewport() const
01531 {
01532 DrawPixelInfo *dpi = _cur_dpi;
01533
01534 dpi->left += this->left;
01535 dpi->top += this->top;
01536
01537 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01538
01539 dpi->left -= this->left;
01540 dpi->top -= this->top;
01541 }
01542
01543 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01544 {
01545
01546 x += vp->virtual_width / 2;
01547 y += vp->virtual_height / 2;
01548
01549
01550
01551 int vx = -x + y * 2;
01552 int vy = x + y * 2;
01553
01554
01555 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4);
01556 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4);
01557
01558
01559 x = (-vx + vy) / 2;
01560 y = ( vx + vy) / 4;
01561
01562
01563 x -= vp->virtual_width / 2;
01564 y -= vp->virtual_height / 2;
01565 }
01566
01571 void UpdateViewportPosition(Window *w)
01572 {
01573 const ViewPort *vp = w->viewport;
01574
01575 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01576 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01577 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01578
01579 w->viewport->scrollpos_x = pt.x;
01580 w->viewport->scrollpos_y = pt.y;
01581 SetViewportPosition(w, pt.x, pt.y);
01582 } else {
01583
01584 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01585
01586 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01587 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01588
01589 if (delta_x != 0 || delta_y != 0) {
01590 if (_settings_client.gui.smooth_scroll) {
01591 int max_scroll = ScaleByMapSize1D(512);
01592
01593 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01594 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01595 } else {
01596 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01597 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01598 }
01599 }
01600
01601 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01602
01603 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01604 }
01605 }
01606
01616 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01617 {
01618 right -= vp->virtual_left;
01619 if (right <= 0) return;
01620
01621 bottom -= vp->virtual_top;
01622 if (bottom <= 0) return;
01623
01624 left = max(0, left - vp->virtual_left);
01625
01626 if (left >= vp->virtual_width) return;
01627
01628 top = max(0, top - vp->virtual_top);
01629
01630 if (top >= vp->virtual_height) return;
01631
01632 SetDirtyBlocks(
01633 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01634 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01635 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01636 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01637 );
01638 }
01639
01648 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01649 {
01650 Window *w;
01651 FOR_ALL_WINDOWS_FROM_BACK(w) {
01652 ViewPort *vp = w->viewport;
01653 if (vp != NULL) {
01654 assert(vp->width != 0);
01655 MarkViewportDirty(vp, left, top, right, bottom);
01656 }
01657 }
01658 }
01659
01660 void MarkTileDirtyByTile(TileIndex tile)
01661 {
01662 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
01663 MarkAllViewportsDirty(
01664 pt.x - 31,
01665 pt.y - 122,
01666 pt.x - 31 + 67,
01667 pt.y - 122 + 154
01668 );
01669 }
01670
01678 static void SetSelectionTilesDirty()
01679 {
01680 int x_size = _thd.size.x;
01681 int y_size = _thd.size.y;
01682
01683 if (!_thd.diagonal) {
01684 int x_start = _thd.pos.x;
01685 int y_start = _thd.pos.y;
01686
01687 if (_thd.outersize.x != 0) {
01688 x_size += _thd.outersize.x;
01689 x_start += _thd.offs.x;
01690 y_size += _thd.outersize.y;
01691 y_start += _thd.offs.y;
01692 }
01693
01694 x_size -= TILE_SIZE;
01695 y_size -= TILE_SIZE;
01696
01697 assert(x_size >= 0);
01698 assert(y_size >= 0);
01699
01700 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01701 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01702
01703 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01704 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01705
01706
01707 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01708
01709
01710
01711
01712
01713
01714
01715
01716
01717
01718
01719
01720
01721
01722
01723
01724
01725
01726
01727 int top_x = x_end;
01728 int top_y = y_start;
01729 int bot_x = top_x;
01730 int bot_y = top_y;
01731
01732 do {
01733 Point top = RemapCoords2(top_x, top_y);
01734 Point bot = RemapCoords2(bot_x + TILE_SIZE - 1, bot_y + TILE_SIZE - 1);
01735
01736
01737
01738
01739 int l = top.x - (TILE_PIXELS - 2);
01740 int t = top.y;
01741 int r = top.x + (TILE_PIXELS - 2);
01742 int b = bot.y;
01743
01744 static const int OVERLAY_WIDTH = 4;
01745
01746
01747 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH);
01748
01749
01750 if (top_x != x_start) {
01751 top_x -= TILE_SIZE;
01752 } else {
01753 top_y += TILE_SIZE;
01754 }
01755
01756
01757 if (bot_y != y_end) {
01758 bot_y += TILE_SIZE;
01759 } else {
01760 bot_x -= TILE_SIZE;
01761 }
01762 } while (bot_x >= top_x);
01763 } else {
01764
01765 int a_size = x_size + y_size, b_size = x_size - y_size;
01766
01767 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01768 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01769
01770 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01771 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01772 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01773 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01774
01775 if (x < MapMaxX() && y < MapMaxY()) {
01776 MarkTileDirtyByTile(TileXY(x, y));
01777 }
01778 }
01779 }
01780 }
01781 }
01782
01783
01784 void SetSelectionRed(bool b)
01785 {
01786 _thd.make_square_red = b;
01787 SetSelectionTilesDirty();
01788 }
01789
01798 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01799 {
01800 bool small = (vp->zoom >= ZOOM_LVL_OUT_4X);
01801 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01802 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01803
01804 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01805 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01806
01807 return y >= sign->top && y < sign->top + sign_height &&
01808 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01809 }
01810
01811 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01812 {
01813 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01814
01815 const Town *t;
01816 FOR_ALL_TOWNS(t) {
01817 if (CheckClickOnViewportSign(vp, x, y, &t->sign)) {
01818 ShowTownViewWindow(t->index);
01819 return true;
01820 }
01821 }
01822
01823 return false;
01824 }
01825
01826 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01827 {
01828 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01829
01830 const BaseStation *st;
01831 FOR_ALL_BASE_STATIONS(st) {
01832
01833 bool is_station = Station::IsExpected(st);
01834
01835
01836 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01837
01838 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01839 if (is_station) {
01840 ShowStationViewWindow(st->index);
01841 } else {
01842 ShowWaypointWindow(Waypoint::From(st));
01843 }
01844 return true;
01845 }
01846 }
01847
01848 return false;
01849 }
01850
01851
01852 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01853 {
01854
01855 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01856
01857 const Sign *si;
01858 FOR_ALL_SIGNS(si) {
01859 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01860 HandleClickOnSign(si);
01861 return true;
01862 }
01863 }
01864
01865 return false;
01866 }
01867
01868
01869 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01870 {
01871 Point pt = TranslateXYToTileCoord(vp, x, y);
01872
01873 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01874 return true;
01875 }
01876
01877 static void PlaceObject()
01878 {
01879 Point pt;
01880 Window *w;
01881
01882 pt = GetTileBelowCursor();
01883 if (pt.x == -1) return;
01884
01885 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01886 pt.x += 8;
01887 pt.y += 8;
01888 }
01889
01890 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01891 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01892
01893 w = GetCallbackWnd();
01894 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01895 }
01896
01897
01898 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01899 {
01900 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01901
01902 if (_thd.place_mode & HT_VEHICLE) {
01903 if (v != NULL && VehicleClicked(v)) return true;
01904 }
01905
01906 if (_thd.place_mode & HT_DRAG_MASK) {
01907 PlaceObject();
01908 return true;
01909 }
01910
01911 if (CheckClickOnTown(vp, x, y)) return true;
01912 if (CheckClickOnStation(vp, x, y)) return true;
01913 if (CheckClickOnSign(vp, x, y)) return true;
01914 bool result = CheckClickOnLandscape(vp, x, y);
01915
01916 if (v != NULL) {
01917 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01918 if (IsCompanyBuildableVehicleType(v)) {
01919 v = v->First();
01920 if (_ctrl_pressed && v->owner == _local_company) {
01921 StartStopVehicle(v, true);
01922 } else {
01923 ShowVehicleViewWindow(v);
01924 }
01925 }
01926 return true;
01927 }
01928 return result;
01929 }
01930
01931
01941 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
01942 {
01943
01944 if (z == -1) z = GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
01945
01946 Point pt = MapXYZToViewport(w->viewport, x, y, z);
01947 w->viewport->follow_vehicle = INVALID_VEHICLE;
01948
01949 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
01950
01951 if (instant) {
01952 w->viewport->scrollpos_x = pt.x;
01953 w->viewport->scrollpos_y = pt.y;
01954 }
01955
01956 w->viewport->dest_scrollpos_x = pt.x;
01957 w->viewport->dest_scrollpos_y = pt.y;
01958 return true;
01959 }
01960
01968 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
01969 {
01970 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
01971 }
01972
01979 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
01980 {
01981 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
01982 }
01983
01988 void SetRedErrorSquare(TileIndex tile)
01989 {
01990 TileIndex old;
01991
01992 old = _thd.redsq;
01993 _thd.redsq = tile;
01994
01995 if (tile != old) {
01996 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
01997 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
01998 }
01999 }
02000
02006 void SetTileSelectSize(int w, int h)
02007 {
02008 _thd.new_size.x = w * TILE_SIZE;
02009 _thd.new_size.y = h * TILE_SIZE;
02010 _thd.new_outersize.x = 0;
02011 _thd.new_outersize.y = 0;
02012 }
02013
02014 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02015 {
02016 _thd.offs.x = ox * TILE_SIZE;
02017 _thd.offs.y = oy * TILE_SIZE;
02018 _thd.new_outersize.x = sx * TILE_SIZE;
02019 _thd.new_outersize.y = sy * TILE_SIZE;
02020 }
02021
02023 static HighLightStyle GetAutorailHT(int x, int y)
02024 {
02025 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02026 }
02027
02032 bool TileHighlightData::IsDraggingDiagonal()
02033 {
02034 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02035 }
02036
02044 void UpdateTileSelection()
02045 {
02046 int x1;
02047 int y1;
02048
02049 HighLightStyle new_drawstyle = HT_NONE;
02050 bool new_diagonal = false;
02051
02052 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02053 x1 = _thd.selend.x;
02054 y1 = _thd.selend.y;
02055 if (x1 != -1) {
02056 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02057 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02058 x1 &= ~TILE_UNIT_MASK;
02059 y1 &= ~TILE_UNIT_MASK;
02060
02061 if (_thd.IsDraggingDiagonal()) {
02062 new_diagonal = true;
02063 } else {
02064 if (x1 >= x2) Swap(x1, x2);
02065 if (y1 >= y2) Swap(y1, y2);
02066 }
02067 _thd.new_pos.x = x1;
02068 _thd.new_pos.y = y1;
02069 _thd.new_size.x = x2 - x1;
02070 _thd.new_size.y = y2 - y1;
02071 if (!new_diagonal) {
02072 _thd.new_size.x += TILE_SIZE;
02073 _thd.new_size.y += TILE_SIZE;
02074 }
02075 new_drawstyle = _thd.next_drawstyle;
02076 }
02077 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02078 Point pt = GetTileBelowCursor();
02079 x1 = pt.x;
02080 y1 = pt.y;
02081 if (x1 != -1) {
02082 switch (_thd.place_mode & HT_DRAG_MASK) {
02083 case HT_RECT:
02084 new_drawstyle = HT_RECT;
02085 break;
02086 case HT_POINT:
02087 new_drawstyle = HT_POINT;
02088 x1 += TILE_SIZE / 2;
02089 y1 += TILE_SIZE / 2;
02090 break;
02091 case HT_RAIL:
02092
02093 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02094 break;
02095 case HT_LINE:
02096 switch (_thd.place_mode & HT_DIR_MASK) {
02097 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02098 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02099
02100 case HT_DIR_HU:
02101 case HT_DIR_HL:
02102 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02103 break;
02104
02105 case HT_DIR_VL:
02106 case HT_DIR_VR:
02107 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02108 break;
02109
02110 default: NOT_REACHED();
02111 }
02112 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02113 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02114 break;
02115 default:
02116 NOT_REACHED();
02117 break;
02118 }
02119 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02120 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02121 }
02122 }
02123
02124
02125 if (_thd.drawstyle != new_drawstyle ||
02126 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02127 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02128 _thd.outersize.x != _thd.new_outersize.x ||
02129 _thd.outersize.y != _thd.new_outersize.y ||
02130 _thd.diagonal != new_diagonal) {
02131
02132 if (_thd.drawstyle) SetSelectionTilesDirty();
02133
02134 _thd.drawstyle = new_drawstyle;
02135 _thd.pos = _thd.new_pos;
02136 _thd.size = _thd.new_size;
02137 _thd.outersize = _thd.new_outersize;
02138 _thd.diagonal = new_diagonal;
02139 _thd.dirty = 0xff;
02140
02141
02142 if (new_drawstyle != HT_NONE) SetSelectionTilesDirty();
02143 }
02144 }
02145
02153 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02154 {
02155 if (!_settings_client.gui.measure_tooltip) return;
02156 GuiShowTooltips(FindWindowById(_thd.window_class, _thd.window_number), str, paramcount, params, close_cond);
02157 }
02158
02160 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02161 {
02162 _thd.select_method = method;
02163 _thd.select_proc = process;
02164 _thd.selend.x = TileX(tile) * TILE_SIZE;
02165 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02166 _thd.selend.y = TileY(tile) * TILE_SIZE;
02167 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02168
02169
02170
02171
02172 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02173 _thd.selend.x += TILE_SIZE / 2;
02174 _thd.selend.y += TILE_SIZE / 2;
02175 _thd.selstart.x += TILE_SIZE / 2;
02176 _thd.selstart.y += TILE_SIZE / 2;
02177 }
02178
02179 HighLightStyle others = _thd.place_mode & ~HT_DRAG_MASK;
02180 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02181 _thd.place_mode = HT_SPECIAL | others;
02182 _thd.next_drawstyle = HT_RECT | others;
02183 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02184 _thd.place_mode = HT_SPECIAL | others;
02185 _thd.next_drawstyle = _thd.drawstyle | others;
02186 } else {
02187 _thd.place_mode = HT_SPECIAL | others;
02188 _thd.next_drawstyle = HT_POINT | others;
02189 }
02190 _special_mouse_mode = WSM_SIZING;
02191 }
02192
02193 void VpSetPlaceSizingLimit(int limit)
02194 {
02195 _thd.sizelimit = limit;
02196 }
02197
02203 void VpSetPresizeRange(TileIndex from, TileIndex to)
02204 {
02205 uint64 distance = DistanceManhattan(from, to) + 1;
02206
02207 _thd.selend.x = TileX(to) * TILE_SIZE;
02208 _thd.selend.y = TileY(to) * TILE_SIZE;
02209 _thd.selstart.x = TileX(from) * TILE_SIZE;
02210 _thd.selstart.y = TileY(from) * TILE_SIZE;
02211 _thd.next_drawstyle = HT_RECT;
02212
02213
02214 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02215 }
02216
02217 static void VpStartPreSizing()
02218 {
02219 _thd.selend.x = -1;
02220 _special_mouse_mode = WSM_PRESIZE;
02221 }
02222
02227 static HighLightStyle Check2x1AutoRail(int mode)
02228 {
02229 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02230 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02231 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02232 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02233
02234 switch (mode) {
02235 default: NOT_REACHED();
02236 case 0:
02237 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02238 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02239 return HT_DIR_Y;
02240
02241 case 1:
02242 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02243 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02244 return HT_DIR_Y;
02245
02246 case 2:
02247 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02248 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02249 return HT_DIR_X;
02250
02251 case 3:
02252 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02253 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02254 return HT_DIR_X;
02255 }
02256 }
02257
02271 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02272 {
02273 uint start_x = TileX(start_tile);
02274 uint start_y = TileY(start_tile);
02275 uint end_x = TileX(end_tile);
02276 uint end_y = TileY(end_tile);
02277
02278 switch (style & HT_DRAG_MASK) {
02279 case HT_RAIL:
02280 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02281
02282 case HT_RECT:
02283 case HT_POINT: return (end_x != start_x && end_y < start_y);
02284 default: NOT_REACHED();
02285 }
02286
02287 return false;
02288 }
02289
02305 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02306 {
02307 bool swap = SwapDirection(style, start_tile, end_tile);
02308 uint h0, h1;
02309
02310 if (start_tile == end_tile) return 0;
02311 if (swap) Swap(start_tile, end_tile);
02312
02313 switch (style & HT_DRAG_MASK) {
02314 case HT_RECT: {
02315 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02316 {1, 0}, {0, 0},
02317 {0, 1}, {1, 1}
02318 };
02319
02320
02321
02322 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02323 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02324 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02325
02326 }
02327
02328 case HT_POINT:
02329 h0 = TileHeight(start_tile);
02330 h1 = TileHeight(end_tile);
02331 break;
02332 default: {
02333 static const HighLightStyle flip_style_direction[] = {
02334 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02335 };
02336 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02337 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02338 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02339 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02340
02341 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02342 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02343 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02344 };
02345
02346 distance %= 2;
02347 style &= HT_DIR_MASK;
02348
02349
02350
02351
02352
02353 if (swap && distance == 0) style = flip_style_direction[style];
02354
02355
02356 byte style_t = style * 2;
02357 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02358 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02359 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02360 h0 = max(h0, ht);
02361
02362
02363
02364 if (distance == 0) style_t = flip_style_direction[style] * 2;
02365 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02366 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02367 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02368 h1 = max(h1, ht);
02369 break;
02370 }
02371 }
02372
02373 if (swap) Swap(h0, h1);
02374 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02375 }
02376
02377 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02378
02385 static void CheckUnderflow(int &test, int &other, int mult)
02386 {
02387 if (test >= 0) return;
02388
02389 other += mult * test;
02390 test = 0;
02391 }
02392
02400 static void CheckOverflow(int &test, int &other, int max, int mult)
02401 {
02402 if (test <= max) return;
02403
02404 other += mult * (test - max);
02405 test = max;
02406 }
02407
02409 static void CalcRaildirsDrawstyle(TileHighlightData *thd, int x, int y, int method)
02410 {
02411 HighLightStyle b;
02412
02413 int dx = thd->selstart.x - (thd->selend.x & ~TILE_UNIT_MASK);
02414 int dy = thd->selstart.y - (thd->selend.y & ~TILE_UNIT_MASK);
02415 uint w = abs(dx) + TILE_SIZE;
02416 uint h = abs(dy) + TILE_SIZE;
02417
02418 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02419
02420 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02421 int raw_dx = thd->selstart.x - thd->selend.x;
02422 int raw_dy = thd->selstart.y - thd->selend.y;
02423 switch (method) {
02424 case VPM_FIX_X:
02425 b = HT_LINE | HT_DIR_Y;
02426 x = thd->selstart.x;
02427 break;
02428
02429 case VPM_FIX_Y:
02430 b = HT_LINE | HT_DIR_X;
02431 y = thd->selstart.y;
02432 break;
02433
02434 case VPM_FIX_HORIZONTAL:
02435 if (dx == -dy) {
02436
02437
02438 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02439 } else {
02440
02441
02442 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02443
02444
02445
02446
02447 int offset = (raw_dx - raw_dy) / 2;
02448 x = thd->selstart.x - (offset & ~TILE_UNIT_MASK);
02449 y = thd->selstart.y + (offset & ~TILE_UNIT_MASK);
02450
02451
02452 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02453 if (dx + dy >= (int)TILE_SIZE) {
02454 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02455 } else {
02456 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02457 }
02458 }
02459
02460
02461 CheckUnderflow(x, y, 1);
02462 CheckUnderflow(y, x, 1);
02463 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02464 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02465 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02466 }
02467 break;
02468
02469 case VPM_FIX_VERTICAL:
02470 if (dx == dy) {
02471
02472
02473 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02474 } else {
02475
02476
02477 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02478
02479
02480
02481
02482 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02483 x = thd->selstart.x - (offset & ~TILE_UNIT_MASK);
02484 y = thd->selstart.y - (offset & ~TILE_UNIT_MASK);
02485
02486
02487 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02488 if (dx - dy < 0) {
02489 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02490 } else {
02491 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02492 }
02493 }
02494
02495
02496 CheckUnderflow(x, y, -1);
02497 CheckUnderflow(y, x, -1);
02498 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02499 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02500 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02501 }
02502 break;
02503
02504 default:
02505 NOT_REACHED();
02506 }
02507 } else if (TileVirtXY(thd->selstart.x, thd->selstart.y) == TileVirtXY(x, y)) {
02508 if (method & VPM_RAILDIRS) {
02509 b = GetAutorailHT(x, y);
02510 } else {
02511 b = HT_RECT;
02512 }
02513 } else if (h == TILE_SIZE) {
02514 if (dx == (int)TILE_SIZE) {
02515 b = (Check2x1AutoRail(3)) | HT_LINE;
02516 } else if (dx == -(int)TILE_SIZE) {
02517 b = (Check2x1AutoRail(2)) | HT_LINE;
02518 } else {
02519 b = HT_LINE | HT_DIR_X;
02520 }
02521 y = thd->selstart.y;
02522 } else if (w == TILE_SIZE) {
02523 if (dy == (int)TILE_SIZE) {
02524 b = (Check2x1AutoRail(1)) | HT_LINE;
02525 } else if (dy == -(int)TILE_SIZE) {
02526 b = (Check2x1AutoRail(0)) | HT_LINE;
02527 } else {
02528 b = HT_LINE | HT_DIR_Y;
02529 }
02530 x = thd->selstart.x;
02531 } else if (w > h * 2) {
02532 b = HT_LINE | HT_DIR_X;
02533 y = thd->selstart.y;
02534 } else if (h > w * 2) {
02535 b = HT_LINE | HT_DIR_Y;
02536 x = thd->selstart.x;
02537 } else {
02538 int d = w - h;
02539 thd->selend.x = thd->selend.x & ~TILE_UNIT_MASK;
02540 thd->selend.y = thd->selend.y & ~TILE_UNIT_MASK;
02541
02542
02543 if (x > thd->selstart.x) {
02544 if (y > thd->selstart.y) {
02545
02546 if (d == 0) {
02547 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02548 } else if (d >= 0) {
02549 x = thd->selstart.x + h;
02550 b = HT_LINE | HT_DIR_VL;
02551 } else {
02552 y = thd->selstart.y + w;
02553 b = HT_LINE | HT_DIR_VR;
02554 }
02555 } else {
02556
02557 if (d == 0) {
02558 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02559 } else if (d >= 0) {
02560 x = thd->selstart.x + h;
02561 b = HT_LINE | HT_DIR_HL;
02562 } else {
02563 y = thd->selstart.y - w;
02564 b = HT_LINE | HT_DIR_HU;
02565 }
02566 }
02567 } else {
02568 if (y > thd->selstart.y) {
02569
02570 if (d == 0) {
02571 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02572 } else if (d >= 0) {
02573 x = thd->selstart.x - h;
02574 b = HT_LINE | HT_DIR_HU;
02575 } else {
02576 y = thd->selstart.y + w;
02577 b = HT_LINE | HT_DIR_HL;
02578 }
02579 } else {
02580
02581 if (d == 0) {
02582 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02583 } else if (d >= 0) {
02584 x = thd->selstart.x - h;
02585 b = HT_LINE | HT_DIR_VR;
02586 } else {
02587 y = thd->selstart.y - w;
02588 b = HT_LINE | HT_DIR_VL;
02589 }
02590 }
02591 }
02592 }
02593
02594 if (_settings_client.gui.measure_tooltip) {
02595 TileIndex t0 = TileVirtXY(thd->selstart.x, thd->selstart.y);
02596 TileIndex t1 = TileVirtXY(x, y);
02597 uint distance = DistanceManhattan(t0, t1) + 1;
02598 byte index = 0;
02599 uint64 params[2];
02600
02601 if (distance != 1) {
02602 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02603
02604
02605
02606 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02607 distance = CeilDiv(distance, 2);
02608 }
02609
02610 params[index++] = distance;
02611 if (heightdiff != 0) params[index++] = heightdiff;
02612 }
02613
02614 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02615 }
02616
02617 thd->selend.x = x;
02618 thd->selend.y = y;
02619 thd->next_drawstyle = b;
02620 }
02621
02629 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02630 {
02631 int sx, sy;
02632 HighLightStyle style;
02633
02634 if (x == -1) {
02635 _thd.selend.x = -1;
02636 return;
02637 }
02638
02639
02640 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02641 _thd.selend.x = x;
02642 _thd.selend.y = y;
02643 CalcRaildirsDrawstyle(&_thd, x, y, method);
02644 return;
02645 }
02646
02647
02648 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02649 x += TILE_SIZE / 2;
02650 y += TILE_SIZE / 2;
02651 }
02652
02653 sx = _thd.selstart.x;
02654 sy = _thd.selstart.y;
02655
02656 int limit = 0;
02657
02658 switch (method) {
02659 case VPM_X_OR_Y:
02660 if (abs(sy - y) < abs(sx - x)) {
02661 y = sy;
02662 style = HT_DIR_X;
02663 } else {
02664 x = sx;
02665 style = HT_DIR_Y;
02666 }
02667 goto calc_heightdiff_single_direction;
02668
02669 case VPM_X_LIMITED:
02670 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02671
02672
02673 case VPM_FIX_X:
02674 x = sx;
02675 style = HT_DIR_Y;
02676 goto calc_heightdiff_single_direction;
02677
02678 case VPM_Y_LIMITED:
02679 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02680
02681
02682 case VPM_FIX_Y:
02683 y = sy;
02684 style = HT_DIR_X;
02685
02686 calc_heightdiff_single_direction:;
02687 if (limit > 0) {
02688 x = sx + Clamp(x - sx, -limit, limit);
02689 y = sy + Clamp(y - sy, -limit, limit);
02690 }
02691 if (_settings_client.gui.measure_tooltip) {
02692 TileIndex t0 = TileVirtXY(sx, sy);
02693 TileIndex t1 = TileVirtXY(x, y);
02694 uint distance = DistanceManhattan(t0, t1) + 1;
02695 byte index = 0;
02696 uint64 params[2];
02697
02698 if (distance != 1) {
02699
02700
02701
02702
02703
02704 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02705
02706 params[index++] = distance;
02707 if (heightdiff != 0) params[index++] = heightdiff;
02708 }
02709
02710 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02711 }
02712 break;
02713
02714 case VPM_X_AND_Y_LIMITED:
02715 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02716 x = sx + Clamp(x - sx, -limit, limit);
02717 y = sy + Clamp(y - sy, -limit, limit);
02718
02719
02720 case VPM_X_AND_Y:
02721 if (_settings_client.gui.measure_tooltip) {
02722 static const StringID measure_strings_area[] = {
02723 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02724 };
02725
02726 TileIndex t0 = TileVirtXY(sx, sy);
02727 TileIndex t1 = TileVirtXY(x, y);
02728 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02729 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02730 byte index = 0;
02731 uint64 params[3];
02732
02733
02734
02735 style = (HighLightStyle)_thd.next_drawstyle;
02736 if (_thd.IsDraggingDiagonal()) {
02737
02738
02739
02740
02741
02742
02743
02744
02745
02746
02747 int dist_x = TileX(t0) - TileX(t1);
02748 int dist_y = TileY(t0) - TileY(t1);
02749 int a_max = dist_x + dist_y;
02750 int b_max = dist_y - dist_x;
02751
02752
02753
02754 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02755 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02756
02757
02758
02759
02760
02761 if (a_max != 1 || b_max != 1) {
02762 dx = a_max;
02763 dy = b_max;
02764 }
02765 } else if (style & HT_RECT) {
02766 if (dx == 1) {
02767 style = HT_LINE | HT_DIR_Y;
02768 } else if (dy == 1) {
02769 style = HT_LINE | HT_DIR_X;
02770 }
02771 }
02772
02773 if (t0 != 1 || t1 != 1) {
02774 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02775
02776 params[index++] = dx;
02777 params[index++] = dy;
02778 if (heightdiff != 0) params[index++] = heightdiff;
02779 }
02780
02781 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02782 }
02783 break;
02784
02785 default: NOT_REACHED();
02786 }
02787
02788 _thd.selend.x = x;
02789 _thd.selend.y = y;
02790 }
02791
02796 EventState VpHandlePlaceSizingDrag()
02797 {
02798 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02799
02800
02801 Window *w = FindWindowById(_thd.window_class, _thd.window_number);
02802 if (w == NULL) {
02803 ResetObjectToPlace();
02804 return ES_HANDLED;
02805 }
02806
02807
02808 if (_left_button_down) {
02809 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02810 return ES_HANDLED;
02811 }
02812
02813
02814
02815 _special_mouse_mode = WSM_NONE;
02816 HighLightStyle others = _thd.next_drawstyle & ~HT_DRAG_MASK;
02817 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02818 _thd.place_mode = HT_RECT | others;
02819 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02820 _thd.place_mode = HT_RECT | others;
02821 } else if (_thd.select_method & VPM_RAILDIRS) {
02822 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02823 } else {
02824 _thd.place_mode = HT_POINT | others;
02825 }
02826 SetTileSelectSize(1, 1);
02827
02828 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02829
02830 return ES_HANDLED;
02831 }
02832
02833 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02834 {
02835 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02836 }
02837
02838 #include "table/animcursors.h"
02839
02840 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02841 {
02842
02843 if (_thd.place_mode != HT_NONE || _special_mouse_mode == WSM_DRAGDROP) {
02844 Window *w = FindWindowById(_thd.window_class, _thd.window_number);
02845 if (w != NULL) {
02846
02847
02848
02849
02850
02851 _thd.window_class = WC_INVALID;
02852 w->OnPlaceObjectAbort();
02853 }
02854 }
02855
02856 SetTileSelectSize(1, 1);
02857
02858 _thd.make_square_red = false;
02859
02860 if (mode == HT_DRAG) {
02861 mode = HT_NONE;
02862 _special_mouse_mode = WSM_DRAGDROP;
02863 } else {
02864 _special_mouse_mode = WSM_NONE;
02865 }
02866
02867 _thd.place_mode = mode;
02868 _thd.window_class = window_class;
02869 _thd.window_number = window_num;
02870
02871 if (mode == HT_SPECIAL) {
02872 VpStartPreSizing();
02873 }
02874
02875 if ((icon & ANIMCURSOR_FLAG) != 0) {
02876 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02877 } else {
02878 SetMouseCursor(icon, pal);
02879 }
02880
02881 }
02882
02883 void ResetObjectToPlace()
02884 {
02885 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02886 }