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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 Point _tile_fract_coords;
00053
00054 struct StringSpriteToDraw {
00055 StringID string;
00056 Colours colour;
00057 int32 x;
00058 int32 y;
00059 uint64 params[2];
00060 uint16 width;
00061 };
00062
00063 struct TileSpriteToDraw {
00064 SpriteID image;
00065 PaletteID pal;
00066 const SubSprite *sub;
00067 int32 x;
00068 int32 y;
00069 };
00070
00071 struct ChildScreenSpriteToDraw {
00072 SpriteID image;
00073 PaletteID pal;
00074 const SubSprite *sub;
00075 int32 x;
00076 int32 y;
00077 int next;
00078 };
00079
00081 struct ParentSpriteToDraw {
00082 SpriteID image;
00083 PaletteID pal;
00084 const SubSprite *sub;
00085
00086 int32 x;
00087 int32 y;
00088
00089 int32 left;
00090 int32 top;
00091
00092 int32 xmin;
00093 int32 xmax;
00094 int32 ymin;
00095 int32 ymax;
00096 int zmin;
00097 int zmax;
00098
00099 int first_child;
00100 bool comparison_done;
00101 };
00102
00104 enum FoundationPart {
00105 FOUNDATION_PART_NONE = 0xFF,
00106 FOUNDATION_PART_NORMAL = 0,
00107 FOUNDATION_PART_HALFTILE = 1,
00108 FOUNDATION_PART_END
00109 };
00110
00115 enum SpriteCombineMode {
00116 SPRITE_COMBINE_NONE,
00117 SPRITE_COMBINE_PENDING,
00118 SPRITE_COMBINE_ACTIVE,
00119 };
00120
00121 typedef SmallVector<TileSpriteToDraw, 64> TileSpriteToDrawVector;
00122 typedef SmallVector<StringSpriteToDraw, 4> StringSpriteToDrawVector;
00123 typedef SmallVector<ParentSpriteToDraw, 64> ParentSpriteToDrawVector;
00124 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
00125 typedef SmallVector<ChildScreenSpriteToDraw, 16> ChildScreenSpriteToDrawVector;
00126
00128 struct ViewportDrawer {
00129 DrawPixelInfo dpi;
00130
00131 StringSpriteToDrawVector string_sprites_to_draw;
00132 TileSpriteToDrawVector tile_sprites_to_draw;
00133 ParentSpriteToDrawVector parent_sprites_to_draw;
00134 ParentSpriteToSortVector parent_sprites_to_sort;
00135 ChildScreenSpriteToDrawVector child_screen_sprites_to_draw;
00136
00137 int *last_child;
00138
00139 SpriteCombineMode combine_sprites;
00140
00141 int foundation[FOUNDATION_PART_END];
00142 FoundationPart foundation_part;
00143 int *last_foundation_child[FOUNDATION_PART_END];
00144 Point foundation_offset[FOUNDATION_PART_END];
00145 };
00146
00147 static ViewportDrawer _vd;
00148
00149 TileHighlightData _thd;
00150 static TileInfo *_cur_ti;
00151 bool _draw_bounding_boxes = false;
00152
00153 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00154 {
00155 Point p = RemapCoords(x, y, z);
00156 p.x -= vp->virtual_width / 2;
00157 p.y -= vp->virtual_height / 2;
00158 return p;
00159 }
00160
00161 void DeleteWindowViewport(Window *w)
00162 {
00163 free(w->viewport);
00164 w->viewport = NULL;
00165 }
00166
00179 void InitializeWindowViewport(Window *w, int x, int y,
00180 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00181 {
00182 assert(w->viewport == NULL);
00183
00184 ViewportData *vp = CallocT<ViewportData>(1);
00185
00186 vp->left = x + w->left;
00187 vp->top = y + w->top;
00188 vp->width = width;
00189 vp->height = height;
00190
00191 vp->zoom = zoom;
00192
00193 vp->virtual_width = ScaleByZoom(width, zoom);
00194 vp->virtual_height = ScaleByZoom(height, zoom);
00195
00196 Point pt;
00197
00198 if (follow_flags & 0x80000000) {
00199 const Vehicle *veh;
00200
00201 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFF);
00202 veh = Vehicle::Get(vp->follow_vehicle);
00203 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00204 } else {
00205 uint x = TileX(follow_flags) * TILE_SIZE;
00206 uint y = TileY(follow_flags) * TILE_SIZE;
00207
00208 vp->follow_vehicle = INVALID_VEHICLE;
00209 pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
00210 }
00211
00212 vp->scrollpos_x = pt.x;
00213 vp->scrollpos_y = pt.y;
00214 vp->dest_scrollpos_x = pt.x;
00215 vp->dest_scrollpos_y = pt.y;
00216
00217 w->viewport = vp;
00218 vp->virtual_left = 0;
00219 vp->virtual_top = 0;
00220 }
00221
00222 static Point _vp_move_offs;
00223
00224 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00225 {
00226 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00227 if (left + width > w->left &&
00228 w->left + w->width > left &&
00229 top + height > w->top &&
00230 w->top + w->height > top) {
00231
00232 if (left < w->left) {
00233 DoSetViewportPosition(w, left, top, w->left - left, height);
00234 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00235 return;
00236 }
00237
00238 if (left + width > w->left + w->width) {
00239 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00240 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00241 return;
00242 }
00243
00244 if (top < w->top) {
00245 DoSetViewportPosition(w, left, top, width, (w->top - top));
00246 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00247 return;
00248 }
00249
00250 if (top + height > w->top + w->height) {
00251 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00252 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00253 return;
00254 }
00255
00256 return;
00257 }
00258 }
00259
00260 {
00261 int xo = _vp_move_offs.x;
00262 int yo = _vp_move_offs.y;
00263
00264 if (abs(xo) >= width || abs(yo) >= height) {
00265
00266 RedrawScreenRect(left, top, left + width, top + height);
00267 return;
00268 }
00269
00270 GfxScroll(left, top, width, height, xo, yo);
00271
00272 if (xo > 0) {
00273 RedrawScreenRect(left, top, xo + left, top + height);
00274 left += xo;
00275 width -= xo;
00276 } else if (xo < 0) {
00277 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00278 width += xo;
00279 }
00280
00281 if (yo > 0) {
00282 RedrawScreenRect(left, top, width + left, top + yo);
00283 } else if (yo < 0) {
00284 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00285 }
00286 }
00287 }
00288
00289 static void SetViewportPosition(Window *w, int x, int y)
00290 {
00291 ViewPort *vp = w->viewport;
00292 int old_left = vp->virtual_left;
00293 int old_top = vp->virtual_top;
00294 int i;
00295 int left, top, width, height;
00296
00297 vp->virtual_left = x;
00298 vp->virtual_top = y;
00299
00300
00301
00302
00303 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00304 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00305 x = UnScaleByZoomLower(x, vp->zoom);
00306 y = UnScaleByZoomLower(y, vp->zoom);
00307
00308 old_left -= x;
00309 old_top -= y;
00310
00311 if (old_top == 0 && old_left == 0) return;
00312
00313 _vp_move_offs.x = old_left;
00314 _vp_move_offs.y = old_top;
00315
00316 left = vp->left;
00317 top = vp->top;
00318 width = vp->width;
00319 height = vp->height;
00320
00321 if (left < 0) {
00322 width += left;
00323 left = 0;
00324 }
00325
00326 i = left + width - _screen.width;
00327 if (i >= 0) width -= i;
00328
00329 if (width > 0) {
00330 if (top < 0) {
00331 height += top;
00332 top = 0;
00333 }
00334
00335 i = top + height - _screen.height;
00336 if (i >= 0) height -= i;
00337
00338 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00339 }
00340 }
00341
00350 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00351 {
00352 ViewPort *vp = w->viewport;
00353
00354 if (vp != NULL &&
00355 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00356 IsInsideMM(y, vp->top, vp->top + vp->height))
00357 return vp;
00358
00359 return NULL;
00360 }
00361
00369 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00370 {
00371 Point pt;
00372 int a, b;
00373 uint z;
00374
00375 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00376 (uint)(y -= vp->top) >= (uint)vp->height) {
00377 Point pt = {-1, -1};
00378 return pt;
00379 }
00380
00381 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> 2;
00382 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> 1;
00383
00384 a = y - x;
00385 b = y + x;
00386
00387
00388
00389
00390 a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00391 b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00392
00393
00394
00395
00396
00397
00398
00399
00400 z = 0;
00401
00402 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00403
00404 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;
00405 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;
00406 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;
00407
00408 pt.x = Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1);
00409 pt.y = Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1);
00410
00411 return pt;
00412 }
00413
00414
00415
00416
00417 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00418 {
00419 Window *w;
00420 ViewPort *vp;
00421 Point pt;
00422
00423 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00424 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00425 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00426
00427 pt.y = pt.x = -1;
00428 return pt;
00429 }
00430
00431 Point GetTileBelowCursor()
00432 {
00433 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00434 }
00435
00436
00437 Point GetTileZoomCenterWindow(bool in, Window * w)
00438 {
00439 int x, y;
00440 ViewPort *vp = w->viewport;
00441
00442 if (in) {
00443 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00444 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00445 } else {
00446 x = vp->width - (_cursor.pos.x - vp->left);
00447 y = vp->height - (_cursor.pos.y - vp->top);
00448 }
00449
00450 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00451 }
00452
00461 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00462 {
00463 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
00464 w->SetWidgetDirty(widget_zoom_in);
00465
00466 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
00467 w->SetWidgetDirty(widget_zoom_out);
00468 }
00469
00482 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)
00483 {
00484 assert((image & SPRITE_MASK) < MAX_SPRITES);
00485
00486 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00487 ts->image = image;
00488 ts->pal = pal;
00489 ts->sub = sub;
00490 Point pt = RemapCoords(x, y, z);
00491 ts->x = pt.x + extra_offs_x;
00492 ts->y = pt.y + extra_offs_y;
00493 }
00494
00507 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00508 {
00509 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00510 assert(_vd.foundation[foundation_part] != -1);
00511 Point offs = _vd.foundation_offset[foundation_part];
00512
00513
00514 int *old_child = _vd.last_child;
00515 _vd.last_child = _vd.last_foundation_child[foundation_part];
00516
00517 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
00518
00519
00520 _vd.last_child = old_child;
00521 }
00522
00536 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00537 {
00538
00539 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00540
00541 if (_vd.foundation[_vd.foundation_part] != -1) {
00542 Point pt = RemapCoords(x, y, z);
00543 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x, pt.y + extra_offs_y);
00544 } else {
00545 AddTileSpriteToDraw(image, pal, _cur_ti->x + x, _cur_ti->y + y, _cur_ti->z + z, sub, extra_offs_x, extra_offs_y);
00546 }
00547 }
00548
00559 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00560 {
00561 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00562 }
00563
00571 void OffsetGroundSprite(int x, int y)
00572 {
00573
00574 switch (_vd.foundation_part) {
00575 case FOUNDATION_PART_NONE:
00576 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00577 break;
00578 case FOUNDATION_PART_NORMAL:
00579 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00580 break;
00581 default: NOT_REACHED();
00582 }
00583
00584
00585 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00586
00587 _vd.foundation_offset[_vd.foundation_part].x = x;
00588 _vd.foundation_offset[_vd.foundation_part].y = y;
00589 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00590 }
00591
00603 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, byte z, const SubSprite *sub)
00604 {
00605 Point pt = RemapCoords(x, y, z);
00606 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00607
00608 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00609 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00610 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00611 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00612 return;
00613
00614 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00615 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub);
00616 }
00617
00643 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)
00644 {
00645 int32 left, right, top, bottom;
00646
00647 assert((image & SPRITE_MASK) < MAX_SPRITES);
00648
00649
00650 if (transparent) {
00651 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00652 pal = PALETTE_TO_TRANSPARENT;
00653 }
00654
00655 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00656 AddCombinedSprite(image, pal, x, y, z, sub);
00657 return;
00658 }
00659
00660 _vd.last_child = NULL;
00661
00662 Point pt = RemapCoords(x, y, z);
00663 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00664
00665
00666 if (image == SPR_EMPTY_BOUNDING_BOX) {
00667 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00668 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00669 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00670 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00671 } else {
00672 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00673 left = tmp_left = (pt.x += spr->x_offs);
00674 right = (pt.x + spr->width );
00675 top = tmp_top = (pt.y += spr->y_offs);
00676 bottom = (pt.y + spr->height);
00677 }
00678
00679 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00680
00681 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00682 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00683 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00684 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00685 }
00686
00687
00688 if (left >= _vd.dpi.left + _vd.dpi.width ||
00689 right <= _vd.dpi.left ||
00690 top >= _vd.dpi.top + _vd.dpi.height ||
00691 bottom <= _vd.dpi.top) {
00692 return;
00693 }
00694
00695 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00696 ps->x = tmp_x;
00697 ps->y = tmp_y;
00698
00699 ps->left = tmp_left;
00700 ps->top = tmp_top;
00701
00702 ps->image = image;
00703 ps->pal = pal;
00704 ps->sub = sub;
00705 ps->xmin = x + bb_offset_x;
00706 ps->xmax = x + max(bb_offset_x, w) - 1;
00707
00708 ps->ymin = y + bb_offset_y;
00709 ps->ymax = y + max(bb_offset_y, h) - 1;
00710
00711 ps->zmin = z + bb_offset_z;
00712 ps->zmax = z + max(bb_offset_z, dz) - 1;
00713
00714 ps->comparison_done = false;
00715 ps->first_child = -1;
00716
00717 _vd.last_child = &ps->first_child;
00718
00719 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00720 }
00721
00740 void StartSpriteCombine()
00741 {
00742 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00743 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00744 }
00745
00750 void EndSpriteCombine()
00751 {
00752 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00753 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00754 }
00755
00765 static bool IsInRangeInclusive(int begin, int end, int check)
00766 {
00767 if (begin > end) Swap(begin, end);
00768 return begin <= check && check <= end;
00769 }
00770
00777 bool IsInsideRotatedRectangle(int x, int y)
00778 {
00779 int dist_a = (_thd.size.x + _thd.size.y);
00780 int dist_b = (_thd.size.x - _thd.size.y);
00781 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00782 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00783
00784
00785 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00786 }
00787
00798 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub)
00799 {
00800 assert((image & SPRITE_MASK) < MAX_SPRITES);
00801
00802
00803 if (_vd.last_child == NULL) return;
00804
00805
00806 if (transparent) {
00807 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00808 pal = PALETTE_TO_TRANSPARENT;
00809 }
00810
00811 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00812
00813 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00814 cs->image = image;
00815 cs->pal = pal;
00816 cs->sub = sub;
00817 cs->x = x;
00818 cs->y = y;
00819 cs->next = -1;
00820
00821
00822
00823
00824 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00825 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00826 _vd.last_child = &cs->next;
00827 }
00828
00829 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00830 {
00831 assert(width != 0);
00832 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00833 ss->string = string;
00834 ss->x = x;
00835 ss->y = y;
00836 ss->params[0] = params_1;
00837 ss->params[1] = params_2;
00838 ss->width = width;
00839 ss->colour = colour;
00840 }
00841
00842
00854 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00855 {
00856
00857 if (_vd.foundation[foundation_part] == -1) {
00858
00859 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00860 } else {
00861
00862 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
00863 }
00864 }
00865
00872 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00873 {
00874 if (!IsValidTile(ti->tile)) return;
00875
00876 SpriteID sel;
00877 if (IsHalftileSlope(ti->tileh)) {
00878 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00879 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00880 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00881
00882 Corner opposite_corner = OppositeCorner(halftile_corner);
00883 if (IsSteepSlope(ti->tileh)) {
00884 sel = SPR_HALFTILE_SELECTION_DOWN;
00885 } else {
00886 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00887 }
00888 sel += opposite_corner;
00889 } else {
00890 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00891 }
00892 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00893 }
00894
00895 static bool IsPartOfAutoLine(int px, int py)
00896 {
00897 px -= _thd.selstart.x;
00898 py -= _thd.selstart.y;
00899
00900 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_LINE) return false;
00901
00902 switch (_thd.drawstyle & HT_DIR_MASK) {
00903 case HT_DIR_X: return py == 0;
00904 case HT_DIR_Y: return px == 0;
00905 case HT_DIR_HU: return px == -py || px == -py - 16;
00906 case HT_DIR_HL: return px == -py || px == -py + 16;
00907 case HT_DIR_VL: return px == py || px == py + 16;
00908 case HT_DIR_VR: return px == py || px == py - 16;
00909 default:
00910 NOT_REACHED();
00911 }
00912 }
00913
00914
00915 static const HighLightStyle _autorail_type[6][2] = {
00916 { HT_DIR_X, HT_DIR_X },
00917 { HT_DIR_Y, HT_DIR_Y },
00918 { HT_DIR_HU, HT_DIR_HL },
00919 { HT_DIR_HL, HT_DIR_HU },
00920 { HT_DIR_VL, HT_DIR_VR },
00921 { HT_DIR_VR, HT_DIR_VL }
00922 };
00923
00924 #include "table/autorail.h"
00925
00932 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00933 {
00934 SpriteID image;
00935 PaletteID pal;
00936 int offset;
00937
00938 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00939 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00940 if (IsHalftileSlope(ti->tileh)) {
00941 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00942 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00943 if (autorail_type != _lower_rail[halftile_corner]) {
00944 foundation_part = FOUNDATION_PART_HALFTILE;
00945
00946 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00947 }
00948 }
00949
00950 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00951 if (offset >= 0) {
00952 image = SPR_AUTORAIL_BASE + offset;
00953 pal = PAL_NONE;
00954 } else {
00955 image = SPR_AUTORAIL_BASE - offset;
00956 pal = PALETTE_SEL_TILE_RED;
00957 }
00958
00959 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00960 }
00961
00966 static void DrawTileSelection(const TileInfo *ti)
00967 {
00968
00969 bool is_redsq = _thd.redsq == ti->tile;
00970 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00971
00972
00973 if ((_thd.drawstyle & HT_DRAG_MASK) == HT_NONE) return;
00974
00975 if (_thd.diagonal) {
00976 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) goto draw_inner;
00977 return;
00978 }
00979
00980
00981 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00982 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00983 draw_inner:
00984 if (_thd.drawstyle & HT_RECT) {
00985 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00986 } else if (_thd.drawstyle & HT_POINT) {
00987
00988 byte z = 0;
00989 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00990 if (ti->tileh & SLOPE_N) {
00991 z += TILE_HEIGHT;
00992 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00993 }
00994 if (IsHalftileSlope(ti->tileh)) {
00995 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00996 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
00997 if (halftile_corner != CORNER_S) {
00998 foundation_part = FOUNDATION_PART_HALFTILE;
00999 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
01000 }
01001 }
01002 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01003 } else if (_thd.drawstyle & HT_RAIL) {
01004
01005 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01006 assert(type < HT_DIR_END);
01007 DrawAutorailSelection(ti, _autorail_type[type][0]);
01008 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01009
01010 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01011 uint side;
01012
01013 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01014 side = 0;
01015 } else {
01016 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01017 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01018 }
01019
01020 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01021 }
01022 return;
01023 }
01024
01025
01026 if (!is_redsq && _thd.outersize.x > 0 &&
01027 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01028 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01029
01030 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01031 return;
01032 }
01033 }
01034
01035 static void ViewportAddLandscape()
01036 {
01037 int x, y, width, height;
01038 TileInfo ti;
01039 bool direction;
01040
01041 _cur_ti = &ti;
01042
01043
01044 x = ((_vd.dpi.top >> 1) - (_vd.dpi.left >> 2)) & ~TILE_UNIT_MASK;
01045 y = ((_vd.dpi.top >> 1) + (_vd.dpi.left >> 2) - TILE_SIZE) & ~TILE_UNIT_MASK;
01046
01047
01048 {
01049 Point pt = RemapCoords(x, y, 241);
01050 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 95) >> 6;
01051 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> 5 << 1;
01052 }
01053
01054 assert(width > 0);
01055 assert(height > 0);
01056
01057 direction = false;
01058
01059 do {
01060 int width_cur = width;
01061 uint x_cur = x;
01062 uint y_cur = y;
01063
01064 do {
01065 TileType tt = MP_VOID;
01066
01067 ti.x = x_cur;
01068 ti.y = y_cur;
01069
01070 ti.z = 0;
01071
01072 ti.tileh = SLOPE_FLAT;
01073 ti.tile = INVALID_TILE;
01074
01075 if (x_cur < MapMaxX() * TILE_SIZE &&
01076 y_cur < MapMaxY() * TILE_SIZE) {
01077 TileIndex tile = TileVirtXY(x_cur, y_cur);
01078
01079 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01080 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01081 uint maxh = max<uint>(TileHeight(tile), 1);
01082 for (uint h = 0; h < maxh; h++) {
01083 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01084 }
01085 }
01086
01087 ti.tile = tile;
01088 ti.tileh = GetTileSlope(tile, &ti.z);
01089 tt = GetTileType(tile);
01090 }
01091 }
01092
01093 _vd.foundation_part = FOUNDATION_PART_NONE;
01094 _vd.foundation[0] = -1;
01095 _vd.foundation[1] = -1;
01096 _vd.last_foundation_child[0] = NULL;
01097 _vd.last_foundation_child[1] = NULL;
01098
01099 _tile_type_procs[tt]->draw_tile_proc(&ti);
01100
01101 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01102 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01103 TileIndex tile = TileVirtXY(x_cur, y_cur);
01104 ti.tile = tile;
01105 ti.tileh = GetTileSlope(tile, &ti.z);
01106 tt = GetTileType(tile);
01107 }
01108 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01109
01110 y_cur += 0x10;
01111 x_cur -= 0x10;
01112 } while (--width_cur);
01113
01114 if ((direction ^= 1) != 0) {
01115 y += 0x10;
01116 } else {
01117 x += 0x10;
01118 }
01119 } while (--height);
01120 }
01121
01132 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)
01133 {
01134 bool small = dpi->zoom >= small_from;
01135
01136 int left = dpi->left;
01137 int top = dpi->top;
01138 int right = left + dpi->width;
01139 int bottom = top + dpi->height;
01140
01141 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01142 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01143
01144 if (bottom < sign->top ||
01145 top > sign->top + sign_height ||
01146 right < sign->center - sign_half_width ||
01147 left > sign->center + sign_half_width) {
01148 return;
01149 }
01150
01151 if (!small) {
01152 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01153 } else {
01154 int shadow_offset = 0;
01155 if (string_small_shadow != STR_NULL) {
01156 shadow_offset = 4;
01157 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01158 }
01159 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01160 colour, sign->width_small | 0x8000);
01161 }
01162 }
01163
01164 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01165 {
01166 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01167
01168 const Town *t;
01169 FOR_ALL_TOWNS(t) {
01170 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &t->sign,
01171 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01172 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01173 t->index, t->population);
01174 }
01175 }
01176
01177
01178 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01179 {
01180 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01181
01182 const BaseStation *st;
01183 FOR_ALL_BASE_STATIONS(st) {
01184
01185 bool is_station = Station::IsExpected(st);
01186
01187
01188 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01189
01190 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &st->sign,
01191 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01192 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01193 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01194 }
01195 }
01196
01197
01198 static void ViewportAddSigns(DrawPixelInfo *dpi)
01199 {
01200
01201 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01202
01203 const Sign *si;
01204 FOR_ALL_SIGNS(si) {
01205 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &si->sign,
01206 STR_WHITE_SIGN,
01207 IsTransparencySet(TO_SIGNS) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01208 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : _company_colours[si->owner]);
01209 }
01210 }
01211
01218 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01219 {
01220 if (this->width_normal != 0) this->MarkDirty();
01221
01222 this->top = top;
01223
01224 char buffer[DRAW_STRING_BUFFER];
01225
01226 GetString(buffer, str, lastof(buffer));
01227 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01228 this->center = center;
01229
01230
01231 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01232
01233 this->MarkDirty();
01234 }
01235
01241 void ViewportSign::MarkDirty() const
01242 {
01243
01244
01245
01246
01247 MarkAllViewportsDirty(
01248 this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01249 this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
01250 this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01251 this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
01252 }
01253
01254 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01255 {
01256 const TileSpriteToDraw *tsend = tstdv->End();
01257 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01258 DrawSprite(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01259 }
01260 }
01261
01263 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01264 {
01265 ParentSpriteToDraw **psdvend = psdv->End();
01266 ParentSpriteToDraw **psd = psdv->Begin();
01267 while (psd != psdvend) {
01268 ParentSpriteToDraw *ps = *psd;
01269
01270 if (ps->comparison_done) {
01271 psd++;
01272 continue;
01273 }
01274
01275 ps->comparison_done = true;
01276
01277 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01278 ParentSpriteToDraw *ps2 = *psd2;
01279
01280 if (ps2->comparison_done) continue;
01281
01282
01283
01284
01285 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01286 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01287 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01288
01289
01290
01291
01292
01293
01294 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01295 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01296 continue;
01297 }
01298 } else {
01299
01300
01301
01302
01303 if (ps->xmax < ps2->xmin ||
01304 ps->ymax < ps2->ymin ||
01305 ps->zmax < ps2->zmin) {
01306 continue;
01307 }
01308 }
01309
01310
01311 ParentSpriteToDraw *temp = ps2;
01312 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01313 *psd3 = *(psd3 - 1);
01314 }
01315 *psd = temp;
01316 }
01317 }
01318 }
01319
01320 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01321 {
01322 const ParentSpriteToDraw * const *psd_end = psd->End();
01323 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01324 const ParentSpriteToDraw *ps = *it;
01325 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01326
01327 int child_idx = ps->first_child;
01328 while (child_idx >= 0) {
01329 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01330 child_idx = cs->next;
01331 DrawSprite(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01332 }
01333 }
01334 }
01335
01340 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01341 {
01342 const ParentSpriteToDraw * const *psd_end = psd->End();
01343 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01344 const ParentSpriteToDraw *ps = *it;
01345 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01346 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01347 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01348 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01349
01350 DrawBox( pt1.x, pt1.y,
01351 pt2.x - pt1.x, pt2.y - pt1.y,
01352 pt3.x - pt1.x, pt3.y - pt1.y,
01353 pt4.x - pt1.x, pt4.y - pt1.y);
01354 }
01355 }
01356
01357 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01358 {
01359 DrawPixelInfo dp;
01360 ZoomLevel zoom;
01361
01362 _cur_dpi = &dp;
01363 dp = *dpi;
01364
01365 zoom = dp.zoom;
01366 dp.zoom = ZOOM_LVL_NORMAL;
01367
01368 dp.left = UnScaleByZoom(dp.left, zoom);
01369 dp.top = UnScaleByZoom(dp.top, zoom);
01370 dp.width = UnScaleByZoom(dp.width, zoom);
01371 dp.height = UnScaleByZoom(dp.height, zoom);
01372
01373 const StringSpriteToDraw *ssend = sstdv->End();
01374 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01375 TextColour colour = TC_BLACK;
01376 bool small = HasBit(ss->width, 15);
01377 int w = GB(ss->width, 0, 15);
01378 int x = UnScaleByZoom(ss->x, zoom);
01379 int y = UnScaleByZoom(ss->y, zoom);
01380 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01381
01382 SetDParam(0, ss->params[0]);
01383 SetDParam(1, ss->params[1]);
01384
01385 if (ss->colour != INVALID_COLOUR) {
01386
01387 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01388
01389
01390
01391 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01392
01393
01394 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01395 }
01396
01397
01398
01399 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01400 DrawFrameRect(
01401 x, y, x + w, y + h, ss->colour,
01402 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01403 );
01404 }
01405 }
01406
01407 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01408 }
01409 }
01410
01411 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01412 {
01413 DrawPixelInfo *old_dpi = _cur_dpi;
01414 _cur_dpi = &_vd.dpi;
01415
01416 _vd.dpi.zoom = vp->zoom;
01417 int mask = ScaleByZoom(-1, vp->zoom);
01418
01419 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01420
01421 _vd.dpi.width = (right - left) & mask;
01422 _vd.dpi.height = (bottom - top) & mask;
01423 _vd.dpi.left = left & mask;
01424 _vd.dpi.top = top & mask;
01425 _vd.dpi.pitch = old_dpi->pitch;
01426 _vd.last_child = NULL;
01427
01428 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01429 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01430
01431 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01432
01433 ViewportAddLandscape();
01434 ViewportAddVehicles(&_vd.dpi);
01435
01436 ViewportAddTownNames(&_vd.dpi);
01437 ViewportAddStationNames(&_vd.dpi);
01438 ViewportAddSigns(&_vd.dpi);
01439
01440 DrawTextEffects(&_vd.dpi);
01441
01442 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01443
01444 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01445 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01446 *_vd.parent_sprites_to_sort.Append() = it;
01447 }
01448
01449 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01450 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01451
01452 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01453
01454 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01455
01456 _cur_dpi = old_dpi;
01457
01458 _vd.string_sprites_to_draw.Clear();
01459 _vd.tile_sprites_to_draw.Clear();
01460 _vd.parent_sprites_to_draw.Clear();
01461 _vd.parent_sprites_to_sort.Clear();
01462 _vd.child_screen_sprites_to_draw.Clear();
01463 }
01464
01469 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01470 {
01471 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000) {
01472 if ((bottom - top) > (right - left)) {
01473 int t = (top + bottom) >> 1;
01474 ViewportDrawChk(vp, left, top, right, t);
01475 ViewportDrawChk(vp, left, t, right, bottom);
01476 } else {
01477 int t = (left + right) >> 1;
01478 ViewportDrawChk(vp, left, top, t, bottom);
01479 ViewportDrawChk(vp, t, top, right, bottom);
01480 }
01481 } else {
01482 ViewportDoDraw(vp,
01483 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01484 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01485 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01486 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01487 );
01488 }
01489 }
01490
01491 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01492 {
01493 if (right <= vp->left || bottom <= vp->top) return;
01494
01495 if (left >= vp->left + vp->width) return;
01496
01497 if (left < vp->left) left = vp->left;
01498 if (right > vp->left + vp->width) right = vp->left + vp->width;
01499
01500 if (top >= vp->top + vp->height) return;
01501
01502 if (top < vp->top) top = vp->top;
01503 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01504
01505 ViewportDrawChk(vp, left, top, right, bottom);
01506 }
01507
01511 void Window::DrawViewport() const
01512 {
01513 DrawPixelInfo *dpi = _cur_dpi;
01514
01515 dpi->left += this->left;
01516 dpi->top += this->top;
01517
01518 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01519
01520 dpi->left -= this->left;
01521 dpi->top -= this->top;
01522 }
01523
01524 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01525 {
01526
01527 x += vp->virtual_width / 2;
01528 y += vp->virtual_height / 2;
01529
01530
01531
01532 int vx = -x + y * 2;
01533 int vy = x + y * 2;
01534
01535
01536 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4);
01537 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4);
01538
01539
01540 x = (-vx + vy) / 2;
01541 y = ( vx + vy) / 4;
01542
01543
01544 x -= vp->virtual_width / 2;
01545 y -= vp->virtual_height / 2;
01546 }
01547
01552 void UpdateViewportPosition(Window *w)
01553 {
01554 const ViewPort *vp = w->viewport;
01555
01556 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01557 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01558 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01559
01560 w->viewport->scrollpos_x = pt.x;
01561 w->viewport->scrollpos_y = pt.y;
01562 SetViewportPosition(w, pt.x, pt.y);
01563 } else {
01564
01565 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01566
01567 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01568 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01569
01570 if (delta_x != 0 || delta_y != 0) {
01571 if (_settings_client.gui.smooth_scroll) {
01572 int max_scroll = ScaleByMapSize1D(512);
01573
01574 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01575 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01576 } else {
01577 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01578 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01579 }
01580 }
01581
01582 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01583
01584 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01585 }
01586 }
01587
01597 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01598 {
01599 right -= vp->virtual_left;
01600 if (right <= 0) return;
01601
01602 bottom -= vp->virtual_top;
01603 if (bottom <= 0) return;
01604
01605 left = max(0, left - vp->virtual_left);
01606
01607 if (left >= vp->virtual_width) return;
01608
01609 top = max(0, top - vp->virtual_top);
01610
01611 if (top >= vp->virtual_height) return;
01612
01613 SetDirtyBlocks(
01614 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01615 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01616 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01617 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01618 );
01619 }
01620
01629 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01630 {
01631 Window *w;
01632 FOR_ALL_WINDOWS_FROM_BACK(w) {
01633 ViewPort *vp = w->viewport;
01634 if (vp != NULL) {
01635 assert(vp->width != 0);
01636 MarkViewportDirty(vp, left, top, right, bottom);
01637 }
01638 }
01639 }
01640
01641 void MarkTileDirtyByTile(TileIndex tile)
01642 {
01643 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
01644 MarkAllViewportsDirty(
01645 pt.x - 31,
01646 pt.y - 122,
01647 pt.x - 31 + 67,
01648 pt.y - 122 + 154
01649 );
01650 }
01651
01659 static void SetSelectionTilesDirty()
01660 {
01661 int x_size = _thd.size.x;
01662 int y_size = _thd.size.y;
01663
01664 if (!_thd.diagonal) {
01665 int x_start = _thd.pos.x;
01666 int y_start = _thd.pos.y;
01667
01668 if (_thd.outersize.x != 0) {
01669 x_size += _thd.outersize.x;
01670 x_start += _thd.offs.x;
01671 y_size += _thd.outersize.y;
01672 y_start += _thd.offs.y;
01673 }
01674
01675 x_size -= TILE_SIZE;
01676 y_size -= TILE_SIZE;
01677
01678 assert(x_size >= 0);
01679 assert(y_size >= 0);
01680
01681 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01682 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01683
01684 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01685 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01686
01687
01688 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01689
01690
01691
01692
01693
01694
01695
01696
01697
01698
01699
01700
01701
01702
01703
01704
01705
01706
01707
01708 int top_x = x_end;
01709 int top_y = y_start;
01710 int bot_x = top_x;
01711 int bot_y = top_y;
01712
01713 do {
01714 Point top = RemapCoords2(top_x, top_y);
01715 Point bot = RemapCoords2(bot_x + TILE_SIZE - 1, bot_y + TILE_SIZE - 1);
01716
01717
01718
01719
01720 int l = top.x - (TILE_PIXELS - 2);
01721 int t = top.y;
01722 int r = top.x + (TILE_PIXELS - 2);
01723 int b = bot.y;
01724
01725 static const int OVERLAY_WIDTH = 4;
01726
01727
01728 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH);
01729
01730
01731 if (top_x != x_start) {
01732 top_x -= TILE_SIZE;
01733 } else {
01734 top_y += TILE_SIZE;
01735 }
01736
01737
01738 if (bot_y != y_end) {
01739 bot_y += TILE_SIZE;
01740 } else {
01741 bot_x -= TILE_SIZE;
01742 }
01743 } while (bot_x >= top_x);
01744 } else {
01745
01746 int a_size = x_size + y_size, b_size = x_size - y_size;
01747
01748 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01749 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01750
01751 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01752 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01753 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01754 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01755
01756 if (x < MapMaxX() && y < MapMaxY()) {
01757 MarkTileDirtyByTile(TileXY(x, y));
01758 }
01759 }
01760 }
01761 }
01762 }
01763
01764
01765 void SetSelectionRed(bool b)
01766 {
01767 _thd.make_square_red = b;
01768 SetSelectionTilesDirty();
01769 }
01770
01779 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01780 {
01781 bool small = (vp->zoom >= ZOOM_LVL_OUT_4X);
01782 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01783 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01784
01785 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01786 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01787
01788 return y >= sign->top && y < sign->top + sign_height &&
01789 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01790 }
01791
01792 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01793 {
01794 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01795
01796 const Town *t;
01797 FOR_ALL_TOWNS(t) {
01798 if (CheckClickOnViewportSign(vp, x, y, &t->sign)) {
01799 ShowTownViewWindow(t->index);
01800 return true;
01801 }
01802 }
01803
01804 return false;
01805 }
01806
01807 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01808 {
01809 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01810
01811 const BaseStation *st;
01812 FOR_ALL_BASE_STATIONS(st) {
01813
01814 bool is_station = Station::IsExpected(st);
01815
01816
01817 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01818
01819 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01820 if (is_station) {
01821 ShowStationViewWindow(st->index);
01822 } else {
01823 ShowWaypointWindow(Waypoint::From(st));
01824 }
01825 return true;
01826 }
01827 }
01828
01829 return false;
01830 }
01831
01832
01833 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01834 {
01835
01836 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01837
01838 const Sign *si;
01839 FOR_ALL_SIGNS(si) {
01840 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01841 HandleClickOnSign(si);
01842 return true;
01843 }
01844 }
01845
01846 return false;
01847 }
01848
01849
01850 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01851 {
01852 Point pt = TranslateXYToTileCoord(vp, x, y);
01853
01854 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01855 return true;
01856 }
01857
01858 static void PlaceObject()
01859 {
01860 Point pt;
01861 Window *w;
01862
01863 pt = GetTileBelowCursor();
01864 if (pt.x == -1) return;
01865
01866 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01867 pt.x += 8;
01868 pt.y += 8;
01869 }
01870
01871 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01872 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01873
01874 w = _thd.GetCallbackWnd();
01875 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01876 }
01877
01878
01879 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01880 {
01881 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01882
01883 if (_thd.place_mode & HT_VEHICLE) {
01884 if (v != NULL && VehicleClicked(v)) return true;
01885 }
01886
01887
01888 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
01889 PlaceObject();
01890 return true;
01891 }
01892
01893 if (CheckClickOnTown(vp, x, y)) return true;
01894 if (CheckClickOnStation(vp, x, y)) return true;
01895 if (CheckClickOnSign(vp, x, y)) return true;
01896 bool result = CheckClickOnLandscape(vp, x, y);
01897
01898 if (v != NULL) {
01899 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01900 if (IsCompanyBuildableVehicleType(v)) {
01901 v = v->First();
01902 if (_ctrl_pressed && v->owner == _local_company) {
01903 StartStopVehicle(v, true);
01904 } else {
01905 ShowVehicleViewWindow(v);
01906 }
01907 }
01908 return true;
01909 }
01910 return result;
01911 }
01912
01913
01923 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
01924 {
01925
01926 if (z == -1) z = GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
01927
01928 Point pt = MapXYZToViewport(w->viewport, x, y, z);
01929 w->viewport->follow_vehicle = INVALID_VEHICLE;
01930
01931 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
01932
01933 if (instant) {
01934 w->viewport->scrollpos_x = pt.x;
01935 w->viewport->scrollpos_y = pt.y;
01936 }
01937
01938 w->viewport->dest_scrollpos_x = pt.x;
01939 w->viewport->dest_scrollpos_y = pt.y;
01940 return true;
01941 }
01942
01950 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
01951 {
01952 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
01953 }
01954
01961 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
01962 {
01963 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
01964 }
01965
01970 void SetRedErrorSquare(TileIndex tile)
01971 {
01972 TileIndex old;
01973
01974 old = _thd.redsq;
01975 _thd.redsq = tile;
01976
01977 if (tile != old) {
01978 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
01979 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
01980 }
01981 }
01982
01988 void SetTileSelectSize(int w, int h)
01989 {
01990 _thd.new_size.x = w * TILE_SIZE;
01991 _thd.new_size.y = h * TILE_SIZE;
01992 _thd.new_outersize.x = 0;
01993 _thd.new_outersize.y = 0;
01994 }
01995
01996 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
01997 {
01998 _thd.offs.x = ox * TILE_SIZE;
01999 _thd.offs.y = oy * TILE_SIZE;
02000 _thd.new_outersize.x = sx * TILE_SIZE;
02001 _thd.new_outersize.y = sy * TILE_SIZE;
02002 }
02003
02005 static HighLightStyle GetAutorailHT(int x, int y)
02006 {
02007 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02008 }
02009
02013 void TileHighlightData::Reset()
02014 {
02015 this->pos.x = 0;
02016 this->pos.y = 0;
02017 this->new_pos.x = 0;
02018 this->new_pos.y = 0;
02019 }
02020
02025 bool TileHighlightData::IsDraggingDiagonal()
02026 {
02027 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02028 }
02029
02034 Window *TileHighlightData::GetCallbackWnd()
02035 {
02036 return FindWindowById(this->window_class, this->window_number);
02037 }
02038
02039
02040
02048 void UpdateTileSelection()
02049 {
02050 int x1;
02051 int y1;
02052
02053 HighLightStyle new_drawstyle = HT_NONE;
02054 bool new_diagonal = false;
02055
02056 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02057 x1 = _thd.selend.x;
02058 y1 = _thd.selend.y;
02059 if (x1 != -1) {
02060 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02061 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02062 x1 &= ~TILE_UNIT_MASK;
02063 y1 &= ~TILE_UNIT_MASK;
02064
02065 if (_thd.IsDraggingDiagonal()) {
02066 new_diagonal = true;
02067 } else {
02068 if (x1 >= x2) Swap(x1, x2);
02069 if (y1 >= y2) Swap(y1, y2);
02070 }
02071 _thd.new_pos.x = x1;
02072 _thd.new_pos.y = y1;
02073 _thd.new_size.x = x2 - x1;
02074 _thd.new_size.y = y2 - y1;
02075 if (!new_diagonal) {
02076 _thd.new_size.x += TILE_SIZE;
02077 _thd.new_size.y += TILE_SIZE;
02078 }
02079 new_drawstyle = _thd.next_drawstyle;
02080 }
02081 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02082 Point pt = GetTileBelowCursor();
02083 x1 = pt.x;
02084 y1 = pt.y;
02085 if (x1 != -1) {
02086 switch (_thd.place_mode & HT_DRAG_MASK) {
02087 case HT_RECT:
02088 new_drawstyle = HT_RECT;
02089 break;
02090 case HT_POINT:
02091 new_drawstyle = HT_POINT;
02092 x1 += TILE_SIZE / 2;
02093 y1 += TILE_SIZE / 2;
02094 break;
02095 case HT_RAIL:
02096
02097 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02098 break;
02099 case HT_LINE:
02100 switch (_thd.place_mode & HT_DIR_MASK) {
02101 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02102 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02103
02104 case HT_DIR_HU:
02105 case HT_DIR_HL:
02106 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02107 break;
02108
02109 case HT_DIR_VL:
02110 case HT_DIR_VR:
02111 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02112 break;
02113
02114 default: NOT_REACHED();
02115 }
02116 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02117 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02118 break;
02119 default:
02120 NOT_REACHED();
02121 break;
02122 }
02123 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02124 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02125 }
02126 }
02127
02128
02129 if (_thd.drawstyle != new_drawstyle ||
02130 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02131 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02132 _thd.outersize.x != _thd.new_outersize.x ||
02133 _thd.outersize.y != _thd.new_outersize.y ||
02134 _thd.diagonal != new_diagonal) {
02135
02136 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02137
02138 _thd.drawstyle = new_drawstyle;
02139 _thd.pos = _thd.new_pos;
02140 _thd.size = _thd.new_size;
02141 _thd.outersize = _thd.new_outersize;
02142 _thd.diagonal = new_diagonal;
02143 _thd.dirty = 0xff;
02144
02145
02146 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02147 }
02148 }
02149
02157 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02158 {
02159 if (!_settings_client.gui.measure_tooltip) return;
02160 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02161 }
02162
02164 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02165 {
02166 _thd.select_method = method;
02167 _thd.select_proc = process;
02168 _thd.selend.x = TileX(tile) * TILE_SIZE;
02169 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02170 _thd.selend.y = TileY(tile) * TILE_SIZE;
02171 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02172
02173
02174
02175
02176 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02177 _thd.selend.x += TILE_SIZE / 2;
02178 _thd.selend.y += TILE_SIZE / 2;
02179 _thd.selstart.x += TILE_SIZE / 2;
02180 _thd.selstart.y += TILE_SIZE / 2;
02181 }
02182
02183 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02184 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02185 _thd.place_mode = HT_SPECIAL | others;
02186 _thd.next_drawstyle = HT_RECT | others;
02187 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02188 _thd.place_mode = HT_SPECIAL | others;
02189 _thd.next_drawstyle = _thd.drawstyle | others;
02190 } else {
02191 _thd.place_mode = HT_SPECIAL | others;
02192 _thd.next_drawstyle = HT_POINT | others;
02193 }
02194 _special_mouse_mode = WSM_SIZING;
02195 }
02196
02197 void VpSetPlaceSizingLimit(int limit)
02198 {
02199 _thd.sizelimit = limit;
02200 }
02201
02207 void VpSetPresizeRange(TileIndex from, TileIndex to)
02208 {
02209 uint64 distance = DistanceManhattan(from, to) + 1;
02210
02211 _thd.selend.x = TileX(to) * TILE_SIZE;
02212 _thd.selend.y = TileY(to) * TILE_SIZE;
02213 _thd.selstart.x = TileX(from) * TILE_SIZE;
02214 _thd.selstart.y = TileY(from) * TILE_SIZE;
02215 _thd.next_drawstyle = HT_RECT;
02216
02217
02218 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02219 }
02220
02221 static void VpStartPreSizing()
02222 {
02223 _thd.selend.x = -1;
02224 _special_mouse_mode = WSM_PRESIZE;
02225 }
02226
02231 static HighLightStyle Check2x1AutoRail(int mode)
02232 {
02233 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02234 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02235 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02236 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02237
02238 switch (mode) {
02239 default: NOT_REACHED();
02240 case 0:
02241 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02242 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02243 return HT_DIR_Y;
02244
02245 case 1:
02246 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02247 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02248 return HT_DIR_Y;
02249
02250 case 2:
02251 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02252 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02253 return HT_DIR_X;
02254
02255 case 3:
02256 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02257 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02258 return HT_DIR_X;
02259 }
02260 }
02261
02275 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02276 {
02277 uint start_x = TileX(start_tile);
02278 uint start_y = TileY(start_tile);
02279 uint end_x = TileX(end_tile);
02280 uint end_y = TileY(end_tile);
02281
02282 switch (style & HT_DRAG_MASK) {
02283 case HT_RAIL:
02284 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02285
02286 case HT_RECT:
02287 case HT_POINT: return (end_x != start_x && end_y < start_y);
02288 default: NOT_REACHED();
02289 }
02290
02291 return false;
02292 }
02293
02309 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02310 {
02311 bool swap = SwapDirection(style, start_tile, end_tile);
02312 uint h0, h1;
02313
02314 if (start_tile == end_tile) return 0;
02315 if (swap) Swap(start_tile, end_tile);
02316
02317 switch (style & HT_DRAG_MASK) {
02318 case HT_RECT: {
02319 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02320 {1, 0}, {0, 0},
02321 {0, 1}, {1, 1}
02322 };
02323
02324
02325
02326 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02327 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02328 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02329
02330 }
02331
02332 case HT_POINT:
02333 h0 = TileHeight(start_tile);
02334 h1 = TileHeight(end_tile);
02335 break;
02336 default: {
02337 static const HighLightStyle flip_style_direction[] = {
02338 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02339 };
02340 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02341 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02342 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02343 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02344
02345 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02346 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02347 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02348 };
02349
02350 distance %= 2;
02351 style &= HT_DIR_MASK;
02352
02353
02354
02355
02356
02357 if (swap && distance == 0) style = flip_style_direction[style];
02358
02359
02360 byte style_t = style * 2;
02361 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02362 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02363 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02364 h0 = max(h0, ht);
02365
02366
02367
02368 if (distance == 0) style_t = flip_style_direction[style] * 2;
02369 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02370 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02371 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02372 h1 = max(h1, ht);
02373 break;
02374 }
02375 }
02376
02377 if (swap) Swap(h0, h1);
02378 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02379 }
02380
02381 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02382
02389 static void CheckUnderflow(int &test, int &other, int mult)
02390 {
02391 if (test >= 0) return;
02392
02393 other += mult * test;
02394 test = 0;
02395 }
02396
02404 static void CheckOverflow(int &test, int &other, int max, int mult)
02405 {
02406 if (test <= max) return;
02407
02408 other += mult * (test - max);
02409 test = max;
02410 }
02411
02413 static void CalcRaildirsDrawstyle(int x, int y, int method)
02414 {
02415 HighLightStyle b;
02416
02417 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02418 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02419 uint w = abs(dx) + TILE_SIZE;
02420 uint h = abs(dy) + TILE_SIZE;
02421
02422 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02423
02424 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02425 int raw_dx = _thd.selstart.x - _thd.selend.x;
02426 int raw_dy = _thd.selstart.y - _thd.selend.y;
02427 switch (method) {
02428 case VPM_FIX_X:
02429 b = HT_LINE | HT_DIR_Y;
02430 x = _thd.selstart.x;
02431 break;
02432
02433 case VPM_FIX_Y:
02434 b = HT_LINE | HT_DIR_X;
02435 y = _thd.selstart.y;
02436 break;
02437
02438 case VPM_FIX_HORIZONTAL:
02439 if (dx == -dy) {
02440
02441
02442 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02443 } else {
02444
02445
02446 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02447
02448
02449
02450
02451 int offset = (raw_dx - raw_dy) / 2;
02452 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02453 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02454
02455
02456 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02457 if (dx + dy >= (int)TILE_SIZE) {
02458 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02459 } else {
02460 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02461 }
02462 }
02463
02464
02465 CheckUnderflow(x, y, 1);
02466 CheckUnderflow(y, x, 1);
02467 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02468 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02469 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02470 }
02471 break;
02472
02473 case VPM_FIX_VERTICAL:
02474 if (dx == dy) {
02475
02476
02477 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02478 } else {
02479
02480
02481 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02482
02483
02484
02485
02486 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02487 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02488 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02489
02490
02491 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02492 if (dx - dy < 0) {
02493 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02494 } else {
02495 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02496 }
02497 }
02498
02499
02500 CheckUnderflow(x, y, -1);
02501 CheckUnderflow(y, x, -1);
02502 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02503 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02504 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02505 }
02506 break;
02507
02508 default:
02509 NOT_REACHED();
02510 }
02511 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02512 if (method & VPM_RAILDIRS) {
02513 b = GetAutorailHT(x, y);
02514 } else {
02515 b = HT_RECT;
02516 }
02517 } else if (h == TILE_SIZE) {
02518 if (dx == (int)TILE_SIZE) {
02519 b = (Check2x1AutoRail(3)) | HT_LINE;
02520 } else if (dx == -(int)TILE_SIZE) {
02521 b = (Check2x1AutoRail(2)) | HT_LINE;
02522 } else {
02523 b = HT_LINE | HT_DIR_X;
02524 }
02525 y = _thd.selstart.y;
02526 } else if (w == TILE_SIZE) {
02527 if (dy == (int)TILE_SIZE) {
02528 b = (Check2x1AutoRail(1)) | HT_LINE;
02529 } else if (dy == -(int)TILE_SIZE) {
02530 b = (Check2x1AutoRail(0)) | HT_LINE;
02531 } else {
02532 b = HT_LINE | HT_DIR_Y;
02533 }
02534 x = _thd.selstart.x;
02535 } else if (w > h * 2) {
02536 b = HT_LINE | HT_DIR_X;
02537 y = _thd.selstart.y;
02538 } else if (h > w * 2) {
02539 b = HT_LINE | HT_DIR_Y;
02540 x = _thd.selstart.x;
02541 } else {
02542 int d = w - h;
02543 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
02544 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
02545
02546
02547 if (x > _thd.selstart.x) {
02548 if (y > _thd.selstart.y) {
02549
02550 if (d == 0) {
02551 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02552 } else if (d >= 0) {
02553 x = _thd.selstart.x + h;
02554 b = HT_LINE | HT_DIR_VL;
02555 } else {
02556 y = _thd.selstart.y + w;
02557 b = HT_LINE | HT_DIR_VR;
02558 }
02559 } else {
02560
02561 if (d == 0) {
02562 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02563 } else if (d >= 0) {
02564 x = _thd.selstart.x + h;
02565 b = HT_LINE | HT_DIR_HL;
02566 } else {
02567 y = _thd.selstart.y - w;
02568 b = HT_LINE | HT_DIR_HU;
02569 }
02570 }
02571 } else {
02572 if (y > _thd.selstart.y) {
02573
02574 if (d == 0) {
02575 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02576 } else if (d >= 0) {
02577 x = _thd.selstart.x - h;
02578 b = HT_LINE | HT_DIR_HU;
02579 } else {
02580 y = _thd.selstart.y + w;
02581 b = HT_LINE | HT_DIR_HL;
02582 }
02583 } else {
02584
02585 if (d == 0) {
02586 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02587 } else if (d >= 0) {
02588 x = _thd.selstart.x - h;
02589 b = HT_LINE | HT_DIR_VR;
02590 } else {
02591 y = _thd.selstart.y - w;
02592 b = HT_LINE | HT_DIR_VL;
02593 }
02594 }
02595 }
02596 }
02597
02598 if (_settings_client.gui.measure_tooltip) {
02599 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02600 TileIndex t1 = TileVirtXY(x, y);
02601 uint distance = DistanceManhattan(t0, t1) + 1;
02602 byte index = 0;
02603 uint64 params[2];
02604
02605 if (distance != 1) {
02606 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02607
02608
02609
02610 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02611 distance = CeilDiv(distance, 2);
02612 }
02613
02614 params[index++] = distance;
02615 if (heightdiff != 0) params[index++] = heightdiff;
02616 }
02617
02618 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02619 }
02620
02621 _thd.selend.x = x;
02622 _thd.selend.y = y;
02623 _thd.next_drawstyle = b;
02624 }
02625
02633 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02634 {
02635 int sx, sy;
02636 HighLightStyle style;
02637
02638 if (x == -1) {
02639 _thd.selend.x = -1;
02640 return;
02641 }
02642
02643
02644 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02645 _thd.selend.x = x;
02646 _thd.selend.y = y;
02647 CalcRaildirsDrawstyle(x, y, method);
02648 return;
02649 }
02650
02651
02652 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02653 x += TILE_SIZE / 2;
02654 y += TILE_SIZE / 2;
02655 }
02656
02657 sx = _thd.selstart.x;
02658 sy = _thd.selstart.y;
02659
02660 int limit = 0;
02661
02662 switch (method) {
02663 case VPM_X_OR_Y:
02664 if (abs(sy - y) < abs(sx - x)) {
02665 y = sy;
02666 style = HT_DIR_X;
02667 } else {
02668 x = sx;
02669 style = HT_DIR_Y;
02670 }
02671 goto calc_heightdiff_single_direction;
02672
02673 case VPM_X_LIMITED:
02674 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02675
02676
02677 case VPM_FIX_X:
02678 x = sx;
02679 style = HT_DIR_Y;
02680 goto calc_heightdiff_single_direction;
02681
02682 case VPM_Y_LIMITED:
02683 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02684
02685
02686 case VPM_FIX_Y:
02687 y = sy;
02688 style = HT_DIR_X;
02689
02690 calc_heightdiff_single_direction:;
02691 if (limit > 0) {
02692 x = sx + Clamp(x - sx, -limit, limit);
02693 y = sy + Clamp(y - sy, -limit, limit);
02694 }
02695 if (_settings_client.gui.measure_tooltip) {
02696 TileIndex t0 = TileVirtXY(sx, sy);
02697 TileIndex t1 = TileVirtXY(x, y);
02698 uint distance = DistanceManhattan(t0, t1) + 1;
02699 byte index = 0;
02700 uint64 params[2];
02701
02702 if (distance != 1) {
02703
02704
02705
02706
02707
02708 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02709
02710 params[index++] = distance;
02711 if (heightdiff != 0) params[index++] = heightdiff;
02712 }
02713
02714 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02715 }
02716 break;
02717
02718 case VPM_X_AND_Y_LIMITED:
02719 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02720 x = sx + Clamp(x - sx, -limit, limit);
02721 y = sy + Clamp(y - sy, -limit, limit);
02722
02723
02724 case VPM_X_AND_Y:
02725 if (_settings_client.gui.measure_tooltip) {
02726 static const StringID measure_strings_area[] = {
02727 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02728 };
02729
02730 TileIndex t0 = TileVirtXY(sx, sy);
02731 TileIndex t1 = TileVirtXY(x, y);
02732 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02733 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02734 byte index = 0;
02735 uint64 params[3];
02736
02737
02738
02739 style = (HighLightStyle)_thd.next_drawstyle;
02740 if (_thd.IsDraggingDiagonal()) {
02741
02742
02743
02744
02745
02746
02747
02748
02749
02750
02751 int dist_x = TileX(t0) - TileX(t1);
02752 int dist_y = TileY(t0) - TileY(t1);
02753 int a_max = dist_x + dist_y;
02754 int b_max = dist_y - dist_x;
02755
02756
02757
02758 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02759 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02760
02761
02762
02763
02764
02765 if (a_max != 1 || b_max != 1) {
02766 dx = a_max;
02767 dy = b_max;
02768 }
02769 } else if (style & HT_RECT) {
02770 if (dx == 1) {
02771 style = HT_LINE | HT_DIR_Y;
02772 } else if (dy == 1) {
02773 style = HT_LINE | HT_DIR_X;
02774 }
02775 }
02776
02777 if (t0 != 1 || t1 != 1) {
02778 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02779
02780 params[index++] = dx;
02781 params[index++] = dy;
02782 if (heightdiff != 0) params[index++] = heightdiff;
02783 }
02784
02785 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02786 }
02787 break;
02788
02789 default: NOT_REACHED();
02790 }
02791
02792 _thd.selend.x = x;
02793 _thd.selend.y = y;
02794 }
02795
02800 EventState VpHandlePlaceSizingDrag()
02801 {
02802 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02803
02804
02805 Window *w = _thd.GetCallbackWnd();
02806 if (w == NULL) {
02807 ResetObjectToPlace();
02808 return ES_HANDLED;
02809 }
02810
02811
02812 if (_left_button_down) {
02813 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02814 return ES_HANDLED;
02815 }
02816
02817
02818
02819 _special_mouse_mode = WSM_NONE;
02820 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02821 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02822 _thd.place_mode = HT_RECT | others;
02823 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02824 _thd.place_mode = HT_RECT | others;
02825 } else if (_thd.select_method & VPM_RAILDIRS) {
02826 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02827 } else {
02828 _thd.place_mode = HT_POINT | others;
02829 }
02830 SetTileSelectSize(1, 1);
02831
02832 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02833
02834 return ES_HANDLED;
02835 }
02836
02837 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02838 {
02839 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02840 }
02841
02842 #include "table/animcursors.h"
02843
02844 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02845 {
02846 if (_thd.window_class != WC_INVALID) {
02847
02848 Window *w = _thd.GetCallbackWnd();
02849
02850
02851
02852
02853
02854 _thd.window_class = WC_INVALID;
02855 if (w != NULL) w->OnPlaceObjectAbort();
02856 }
02857
02858 SetTileSelectSize(1, 1);
02859
02860 _thd.make_square_red = false;
02861
02862 if (mode == HT_DRAG) {
02863 mode = HT_NONE;
02864 _special_mouse_mode = WSM_DRAGDROP;
02865 } else {
02866 _special_mouse_mode = WSM_NONE;
02867 }
02868
02869 _thd.place_mode = mode;
02870 _thd.window_class = window_class;
02871 _thd.window_number = window_num;
02872
02873 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
02874 VpStartPreSizing();
02875 }
02876
02877 if ((icon & ANIMCURSOR_FLAG) != 0) {
02878 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02879 } else {
02880 SetMouseCursor(icon, pal);
02881 }
02882
02883 }
02884
02885 void ResetObjectToPlace()
02886 {
02887 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02888 }