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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
01646 void MarkTileDirtyByTile(TileIndex tile)
01647 {
01648 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
01649 MarkAllViewportsDirty(
01650 pt.x - 31,
01651 pt.y - 122,
01652 pt.x - 31 + 67,
01653 pt.y - 122 + 154
01654 );
01655 }
01656
01664 static void SetSelectionTilesDirty()
01665 {
01666 int x_size = _thd.size.x;
01667 int y_size = _thd.size.y;
01668
01669 if (!_thd.diagonal) {
01670 int x_start = _thd.pos.x;
01671 int y_start = _thd.pos.y;
01672
01673 if (_thd.outersize.x != 0) {
01674 x_size += _thd.outersize.x;
01675 x_start += _thd.offs.x;
01676 y_size += _thd.outersize.y;
01677 y_start += _thd.offs.y;
01678 }
01679
01680 x_size -= TILE_SIZE;
01681 y_size -= TILE_SIZE;
01682
01683 assert(x_size >= 0);
01684 assert(y_size >= 0);
01685
01686 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01687 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01688
01689 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01690 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01691
01692
01693 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01694
01695
01696
01697
01698
01699
01700
01701
01702
01703
01704
01705
01706
01707
01708
01709
01710
01711
01712
01713 int top_x = x_end;
01714 int top_y = y_start;
01715 int bot_x = top_x;
01716 int bot_y = top_y;
01717
01718 do {
01719 Point top = RemapCoords2(top_x, top_y);
01720 Point bot = RemapCoords2(bot_x + TILE_SIZE - 1, bot_y + TILE_SIZE - 1);
01721
01722
01723
01724
01725 int l = top.x - (TILE_PIXELS - 2);
01726 int t = top.y;
01727 int r = top.x + (TILE_PIXELS - 2);
01728 int b = bot.y;
01729
01730 static const int OVERLAY_WIDTH = 4;
01731
01732
01733 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH);
01734
01735
01736 if (top_x != x_start) {
01737 top_x -= TILE_SIZE;
01738 } else {
01739 top_y += TILE_SIZE;
01740 }
01741
01742
01743 if (bot_y != y_end) {
01744 bot_y += TILE_SIZE;
01745 } else {
01746 bot_x -= TILE_SIZE;
01747 }
01748 } while (bot_x >= top_x);
01749 } else {
01750
01751 int a_size = x_size + y_size, b_size = x_size - y_size;
01752
01753 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01754 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01755
01756 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01757 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01758 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01759 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01760
01761 if (x < MapMaxX() && y < MapMaxY()) {
01762 MarkTileDirtyByTile(TileXY(x, y));
01763 }
01764 }
01765 }
01766 }
01767 }
01768
01769
01770 void SetSelectionRed(bool b)
01771 {
01772 _thd.make_square_red = b;
01773 SetSelectionTilesDirty();
01774 }
01775
01784 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01785 {
01786 bool small = (vp->zoom >= ZOOM_LVL_OUT_4X);
01787 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01788 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01789
01790 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01791 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01792
01793 return y >= sign->top && y < sign->top + sign_height &&
01794 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01795 }
01796
01797 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01798 {
01799 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01800
01801 const Town *t;
01802 FOR_ALL_TOWNS(t) {
01803 if (CheckClickOnViewportSign(vp, x, y, &t->sign)) {
01804 ShowTownViewWindow(t->index);
01805 return true;
01806 }
01807 }
01808
01809 return false;
01810 }
01811
01812 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01813 {
01814 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01815
01816 const BaseStation *st;
01817 FOR_ALL_BASE_STATIONS(st) {
01818
01819 bool is_station = Station::IsExpected(st);
01820
01821
01822 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01823
01824 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01825 if (is_station) {
01826 ShowStationViewWindow(st->index);
01827 } else {
01828 ShowWaypointWindow(Waypoint::From(st));
01829 }
01830 return true;
01831 }
01832 }
01833
01834 return false;
01835 }
01836
01837
01838 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01839 {
01840
01841 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01842
01843 const Sign *si;
01844 FOR_ALL_SIGNS(si) {
01845 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01846 HandleClickOnSign(si);
01847 return true;
01848 }
01849 }
01850
01851 return false;
01852 }
01853
01854
01855 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01856 {
01857 Point pt = TranslateXYToTileCoord(vp, x, y);
01858
01859 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01860 return true;
01861 }
01862
01863 static void PlaceObject()
01864 {
01865 Point pt;
01866 Window *w;
01867
01868 pt = GetTileBelowCursor();
01869 if (pt.x == -1) return;
01870
01871 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01872 pt.x += 8;
01873 pt.y += 8;
01874 }
01875
01876 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01877 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01878
01879 w = _thd.GetCallbackWnd();
01880 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01881 }
01882
01883
01884 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01885 {
01886 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01887
01888 if (_thd.place_mode & HT_VEHICLE) {
01889 if (v != NULL && VehicleClicked(v)) return true;
01890 }
01891
01892
01893 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
01894 PlaceObject();
01895 return true;
01896 }
01897
01898 if (CheckClickOnTown(vp, x, y)) return true;
01899 if (CheckClickOnStation(vp, x, y)) return true;
01900 if (CheckClickOnSign(vp, x, y)) return true;
01901 bool result = CheckClickOnLandscape(vp, x, y);
01902
01903 if (v != NULL) {
01904 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01905 if (IsCompanyBuildableVehicleType(v)) {
01906 v = v->First();
01907 if (_ctrl_pressed && v->owner == _local_company) {
01908 StartStopVehicle(v, true);
01909 } else {
01910 ShowVehicleViewWindow(v);
01911 }
01912 }
01913 return true;
01914 }
01915 return result;
01916 }
01917
01918
01928 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
01929 {
01930
01931 if (z == -1) z = GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
01932
01933 Point pt = MapXYZToViewport(w->viewport, x, y, z);
01934 w->viewport->follow_vehicle = INVALID_VEHICLE;
01935
01936 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
01937
01938 if (instant) {
01939 w->viewport->scrollpos_x = pt.x;
01940 w->viewport->scrollpos_y = pt.y;
01941 }
01942
01943 w->viewport->dest_scrollpos_x = pt.x;
01944 w->viewport->dest_scrollpos_y = pt.y;
01945 return true;
01946 }
01947
01955 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
01956 {
01957 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
01958 }
01959
01966 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
01967 {
01968 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
01969 }
01970
01975 void SetRedErrorSquare(TileIndex tile)
01976 {
01977 TileIndex old;
01978
01979 old = _thd.redsq;
01980 _thd.redsq = tile;
01981
01982 if (tile != old) {
01983 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
01984 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
01985 }
01986 }
01987
01993 void SetTileSelectSize(int w, int h)
01994 {
01995 _thd.new_size.x = w * TILE_SIZE;
01996 _thd.new_size.y = h * TILE_SIZE;
01997 _thd.new_outersize.x = 0;
01998 _thd.new_outersize.y = 0;
01999 }
02000
02001 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02002 {
02003 _thd.offs.x = ox * TILE_SIZE;
02004 _thd.offs.y = oy * TILE_SIZE;
02005 _thd.new_outersize.x = sx * TILE_SIZE;
02006 _thd.new_outersize.y = sy * TILE_SIZE;
02007 }
02008
02010 static HighLightStyle GetAutorailHT(int x, int y)
02011 {
02012 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02013 }
02014
02018 void TileHighlightData::Reset()
02019 {
02020 this->pos.x = 0;
02021 this->pos.y = 0;
02022 this->new_pos.x = 0;
02023 this->new_pos.y = 0;
02024 }
02025
02030 bool TileHighlightData::IsDraggingDiagonal()
02031 {
02032 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02033 }
02034
02039 Window *TileHighlightData::GetCallbackWnd()
02040 {
02041 return FindWindowById(this->window_class, this->window_number);
02042 }
02043
02044
02045
02053 void UpdateTileSelection()
02054 {
02055 int x1;
02056 int y1;
02057
02058 HighLightStyle new_drawstyle = HT_NONE;
02059 bool new_diagonal = false;
02060
02061 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02062 x1 = _thd.selend.x;
02063 y1 = _thd.selend.y;
02064 if (x1 != -1) {
02065 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02066 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02067 x1 &= ~TILE_UNIT_MASK;
02068 y1 &= ~TILE_UNIT_MASK;
02069
02070 if (_thd.IsDraggingDiagonal()) {
02071 new_diagonal = true;
02072 } else {
02073 if (x1 >= x2) Swap(x1, x2);
02074 if (y1 >= y2) Swap(y1, y2);
02075 }
02076 _thd.new_pos.x = x1;
02077 _thd.new_pos.y = y1;
02078 _thd.new_size.x = x2 - x1;
02079 _thd.new_size.y = y2 - y1;
02080 if (!new_diagonal) {
02081 _thd.new_size.x += TILE_SIZE;
02082 _thd.new_size.y += TILE_SIZE;
02083 }
02084 new_drawstyle = _thd.next_drawstyle;
02085 }
02086 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02087 Point pt = GetTileBelowCursor();
02088 x1 = pt.x;
02089 y1 = pt.y;
02090 if (x1 != -1) {
02091 switch (_thd.place_mode & HT_DRAG_MASK) {
02092 case HT_RECT:
02093 new_drawstyle = HT_RECT;
02094 break;
02095 case HT_POINT:
02096 new_drawstyle = HT_POINT;
02097 x1 += TILE_SIZE / 2;
02098 y1 += TILE_SIZE / 2;
02099 break;
02100 case HT_RAIL:
02101
02102 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02103 break;
02104 case HT_LINE:
02105 switch (_thd.place_mode & HT_DIR_MASK) {
02106 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02107 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02108
02109 case HT_DIR_HU:
02110 case HT_DIR_HL:
02111 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02112 break;
02113
02114 case HT_DIR_VL:
02115 case HT_DIR_VR:
02116 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02117 break;
02118
02119 default: NOT_REACHED();
02120 }
02121 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02122 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02123 break;
02124 default:
02125 NOT_REACHED();
02126 break;
02127 }
02128 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02129 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02130 }
02131 }
02132
02133
02134 if (_thd.drawstyle != new_drawstyle ||
02135 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02136 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02137 _thd.outersize.x != _thd.new_outersize.x ||
02138 _thd.outersize.y != _thd.new_outersize.y ||
02139 _thd.diagonal != new_diagonal) {
02140
02141 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02142
02143 _thd.drawstyle = new_drawstyle;
02144 _thd.pos = _thd.new_pos;
02145 _thd.size = _thd.new_size;
02146 _thd.outersize = _thd.new_outersize;
02147 _thd.diagonal = new_diagonal;
02148 _thd.dirty = 0xff;
02149
02150
02151 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02152 }
02153 }
02154
02162 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02163 {
02164 if (!_settings_client.gui.measure_tooltip) return;
02165 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02166 }
02167
02169 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02170 {
02171 _thd.select_method = method;
02172 _thd.select_proc = process;
02173 _thd.selend.x = TileX(tile) * TILE_SIZE;
02174 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02175 _thd.selend.y = TileY(tile) * TILE_SIZE;
02176 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02177
02178
02179
02180
02181 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02182 _thd.selend.x += TILE_SIZE / 2;
02183 _thd.selend.y += TILE_SIZE / 2;
02184 _thd.selstart.x += TILE_SIZE / 2;
02185 _thd.selstart.y += TILE_SIZE / 2;
02186 }
02187
02188 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02189 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02190 _thd.place_mode = HT_SPECIAL | others;
02191 _thd.next_drawstyle = HT_RECT | others;
02192 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02193 _thd.place_mode = HT_SPECIAL | others;
02194 _thd.next_drawstyle = _thd.drawstyle | others;
02195 } else {
02196 _thd.place_mode = HT_SPECIAL | others;
02197 _thd.next_drawstyle = HT_POINT | others;
02198 }
02199 _special_mouse_mode = WSM_SIZING;
02200 }
02201
02202 void VpSetPlaceSizingLimit(int limit)
02203 {
02204 _thd.sizelimit = limit;
02205 }
02206
02212 void VpSetPresizeRange(TileIndex from, TileIndex to)
02213 {
02214 uint64 distance = DistanceManhattan(from, to) + 1;
02215
02216 _thd.selend.x = TileX(to) * TILE_SIZE;
02217 _thd.selend.y = TileY(to) * TILE_SIZE;
02218 _thd.selstart.x = TileX(from) * TILE_SIZE;
02219 _thd.selstart.y = TileY(from) * TILE_SIZE;
02220 _thd.next_drawstyle = HT_RECT;
02221
02222
02223 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02224 }
02225
02226 static void VpStartPreSizing()
02227 {
02228 _thd.selend.x = -1;
02229 _special_mouse_mode = WSM_PRESIZE;
02230 }
02231
02236 static HighLightStyle Check2x1AutoRail(int mode)
02237 {
02238 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02239 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02240 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02241 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02242
02243 switch (mode) {
02244 default: NOT_REACHED();
02245 case 0:
02246 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02247 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02248 return HT_DIR_Y;
02249
02250 case 1:
02251 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02252 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02253 return HT_DIR_Y;
02254
02255 case 2:
02256 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02257 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02258 return HT_DIR_X;
02259
02260 case 3:
02261 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02262 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02263 return HT_DIR_X;
02264 }
02265 }
02266
02280 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02281 {
02282 uint start_x = TileX(start_tile);
02283 uint start_y = TileY(start_tile);
02284 uint end_x = TileX(end_tile);
02285 uint end_y = TileY(end_tile);
02286
02287 switch (style & HT_DRAG_MASK) {
02288 case HT_RAIL:
02289 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02290
02291 case HT_RECT:
02292 case HT_POINT: return (end_x != start_x && end_y < start_y);
02293 default: NOT_REACHED();
02294 }
02295
02296 return false;
02297 }
02298
02314 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02315 {
02316 bool swap = SwapDirection(style, start_tile, end_tile);
02317 uint h0, h1;
02318
02319 if (start_tile == end_tile) return 0;
02320 if (swap) Swap(start_tile, end_tile);
02321
02322 switch (style & HT_DRAG_MASK) {
02323 case HT_RECT: {
02324 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02325 {1, 0}, {0, 0},
02326 {0, 1}, {1, 1}
02327 };
02328
02329
02330
02331 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02332 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02333 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02334
02335 }
02336
02337 case HT_POINT:
02338 h0 = TileHeight(start_tile);
02339 h1 = TileHeight(end_tile);
02340 break;
02341 default: {
02342 static const HighLightStyle flip_style_direction[] = {
02343 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02344 };
02345 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02346 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02347 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02348 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02349
02350 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02351 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02352 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02353 };
02354
02355 distance %= 2;
02356 style &= HT_DIR_MASK;
02357
02358
02359
02360
02361
02362 if (swap && distance == 0) style = flip_style_direction[style];
02363
02364
02365 byte style_t = style * 2;
02366 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02367 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02368 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02369 h0 = max(h0, ht);
02370
02371
02372
02373 if (distance == 0) style_t = flip_style_direction[style] * 2;
02374 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02375 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02376 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02377 h1 = max(h1, ht);
02378 break;
02379 }
02380 }
02381
02382 if (swap) Swap(h0, h1);
02383 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02384 }
02385
02386 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02387
02394 static void CheckUnderflow(int &test, int &other, int mult)
02395 {
02396 if (test >= 0) return;
02397
02398 other += mult * test;
02399 test = 0;
02400 }
02401
02409 static void CheckOverflow(int &test, int &other, int max, int mult)
02410 {
02411 if (test <= max) return;
02412
02413 other += mult * (test - max);
02414 test = max;
02415 }
02416
02418 static void CalcRaildirsDrawstyle(int x, int y, int method)
02419 {
02420 HighLightStyle b;
02421
02422 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02423 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02424 uint w = abs(dx) + TILE_SIZE;
02425 uint h = abs(dy) + TILE_SIZE;
02426
02427 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02428
02429 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02430 int raw_dx = _thd.selstart.x - _thd.selend.x;
02431 int raw_dy = _thd.selstart.y - _thd.selend.y;
02432 switch (method) {
02433 case VPM_FIX_X:
02434 b = HT_LINE | HT_DIR_Y;
02435 x = _thd.selstart.x;
02436 break;
02437
02438 case VPM_FIX_Y:
02439 b = HT_LINE | HT_DIR_X;
02440 y = _thd.selstart.y;
02441 break;
02442
02443 case VPM_FIX_HORIZONTAL:
02444 if (dx == -dy) {
02445
02446
02447 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02448 } else {
02449
02450
02451 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02452
02453
02454
02455
02456 int offset = (raw_dx - raw_dy) / 2;
02457 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02458 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02459
02460
02461 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02462 if (dx + dy >= (int)TILE_SIZE) {
02463 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02464 } else {
02465 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02466 }
02467 }
02468
02469
02470 CheckUnderflow(x, y, 1);
02471 CheckUnderflow(y, x, 1);
02472 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02473 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02474 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02475 }
02476 break;
02477
02478 case VPM_FIX_VERTICAL:
02479 if (dx == dy) {
02480
02481
02482 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02483 } else {
02484
02485
02486 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02487
02488
02489
02490
02491 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02492 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02493 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02494
02495
02496 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02497 if (dx - dy < 0) {
02498 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02499 } else {
02500 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02501 }
02502 }
02503
02504
02505 CheckUnderflow(x, y, -1);
02506 CheckUnderflow(y, x, -1);
02507 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02508 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02509 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02510 }
02511 break;
02512
02513 default:
02514 NOT_REACHED();
02515 }
02516 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02517 if (method & VPM_RAILDIRS) {
02518 b = GetAutorailHT(x, y);
02519 } else {
02520 b = HT_RECT;
02521 }
02522 } else if (h == TILE_SIZE) {
02523 if (dx == (int)TILE_SIZE) {
02524 b = (Check2x1AutoRail(3)) | HT_LINE;
02525 } else if (dx == -(int)TILE_SIZE) {
02526 b = (Check2x1AutoRail(2)) | HT_LINE;
02527 } else {
02528 b = HT_LINE | HT_DIR_X;
02529 }
02530 y = _thd.selstart.y;
02531 } else if (w == TILE_SIZE) {
02532 if (dy == (int)TILE_SIZE) {
02533 b = (Check2x1AutoRail(1)) | HT_LINE;
02534 } else if (dy == -(int)TILE_SIZE) {
02535 b = (Check2x1AutoRail(0)) | HT_LINE;
02536 } else {
02537 b = HT_LINE | HT_DIR_Y;
02538 }
02539 x = _thd.selstart.x;
02540 } else if (w > h * 2) {
02541 b = HT_LINE | HT_DIR_X;
02542 y = _thd.selstart.y;
02543 } else if (h > w * 2) {
02544 b = HT_LINE | HT_DIR_Y;
02545 x = _thd.selstart.x;
02546 } else {
02547 int d = w - h;
02548 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
02549 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
02550
02551
02552 if (x > _thd.selstart.x) {
02553 if (y > _thd.selstart.y) {
02554
02555 if (d == 0) {
02556 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02557 } else if (d >= 0) {
02558 x = _thd.selstart.x + h;
02559 b = HT_LINE | HT_DIR_VL;
02560 } else {
02561 y = _thd.selstart.y + w;
02562 b = HT_LINE | HT_DIR_VR;
02563 }
02564 } else {
02565
02566 if (d == 0) {
02567 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02568 } else if (d >= 0) {
02569 x = _thd.selstart.x + h;
02570 b = HT_LINE | HT_DIR_HL;
02571 } else {
02572 y = _thd.selstart.y - w;
02573 b = HT_LINE | HT_DIR_HU;
02574 }
02575 }
02576 } else {
02577 if (y > _thd.selstart.y) {
02578
02579 if (d == 0) {
02580 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02581 } else if (d >= 0) {
02582 x = _thd.selstart.x - h;
02583 b = HT_LINE | HT_DIR_HU;
02584 } else {
02585 y = _thd.selstart.y + w;
02586 b = HT_LINE | HT_DIR_HL;
02587 }
02588 } else {
02589
02590 if (d == 0) {
02591 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02592 } else if (d >= 0) {
02593 x = _thd.selstart.x - h;
02594 b = HT_LINE | HT_DIR_VR;
02595 } else {
02596 y = _thd.selstart.y - w;
02597 b = HT_LINE | HT_DIR_VL;
02598 }
02599 }
02600 }
02601 }
02602
02603 if (_settings_client.gui.measure_tooltip) {
02604 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02605 TileIndex t1 = TileVirtXY(x, y);
02606 uint distance = DistanceManhattan(t0, t1) + 1;
02607 byte index = 0;
02608 uint64 params[2];
02609
02610 if (distance != 1) {
02611 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02612
02613
02614
02615 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02616 distance = CeilDiv(distance, 2);
02617 }
02618
02619 params[index++] = distance;
02620 if (heightdiff != 0) params[index++] = heightdiff;
02621 }
02622
02623 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02624 }
02625
02626 _thd.selend.x = x;
02627 _thd.selend.y = y;
02628 _thd.next_drawstyle = b;
02629 }
02630
02638 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02639 {
02640 int sx, sy;
02641 HighLightStyle style;
02642
02643 if (x == -1) {
02644 _thd.selend.x = -1;
02645 return;
02646 }
02647
02648
02649 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02650 _thd.selend.x = x;
02651 _thd.selend.y = y;
02652 CalcRaildirsDrawstyle(x, y, method);
02653 return;
02654 }
02655
02656
02657 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02658 x += TILE_SIZE / 2;
02659 y += TILE_SIZE / 2;
02660 }
02661
02662 sx = _thd.selstart.x;
02663 sy = _thd.selstart.y;
02664
02665 int limit = 0;
02666
02667 switch (method) {
02668 case VPM_X_OR_Y:
02669 if (abs(sy - y) < abs(sx - x)) {
02670 y = sy;
02671 style = HT_DIR_X;
02672 } else {
02673 x = sx;
02674 style = HT_DIR_Y;
02675 }
02676 goto calc_heightdiff_single_direction;
02677
02678 case VPM_X_LIMITED:
02679 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02680
02681
02682 case VPM_FIX_X:
02683 x = sx;
02684 style = HT_DIR_Y;
02685 goto calc_heightdiff_single_direction;
02686
02687 case VPM_Y_LIMITED:
02688 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02689
02690
02691 case VPM_FIX_Y:
02692 y = sy;
02693 style = HT_DIR_X;
02694
02695 calc_heightdiff_single_direction:;
02696 if (limit > 0) {
02697 x = sx + Clamp(x - sx, -limit, limit);
02698 y = sy + Clamp(y - sy, -limit, limit);
02699 }
02700 if (_settings_client.gui.measure_tooltip) {
02701 TileIndex t0 = TileVirtXY(sx, sy);
02702 TileIndex t1 = TileVirtXY(x, y);
02703 uint distance = DistanceManhattan(t0, t1) + 1;
02704 byte index = 0;
02705 uint64 params[2];
02706
02707 if (distance != 1) {
02708
02709
02710
02711
02712
02713 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02714
02715 params[index++] = distance;
02716 if (heightdiff != 0) params[index++] = heightdiff;
02717 }
02718
02719 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02720 }
02721 break;
02722
02723 case VPM_X_AND_Y_LIMITED:
02724 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02725 x = sx + Clamp(x - sx, -limit, limit);
02726 y = sy + Clamp(y - sy, -limit, limit);
02727
02728
02729 case VPM_X_AND_Y:
02730 if (_settings_client.gui.measure_tooltip) {
02731 static const StringID measure_strings_area[] = {
02732 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02733 };
02734
02735 TileIndex t0 = TileVirtXY(sx, sy);
02736 TileIndex t1 = TileVirtXY(x, y);
02737 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02738 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02739 byte index = 0;
02740 uint64 params[3];
02741
02742
02743
02744 style = (HighLightStyle)_thd.next_drawstyle;
02745 if (_thd.IsDraggingDiagonal()) {
02746
02747
02748
02749
02750
02751
02752
02753
02754
02755
02756 int dist_x = TileX(t0) - TileX(t1);
02757 int dist_y = TileY(t0) - TileY(t1);
02758 int a_max = dist_x + dist_y;
02759 int b_max = dist_y - dist_x;
02760
02761
02762
02763 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02764 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02765
02766
02767
02768
02769
02770 if (a_max != 1 || b_max != 1) {
02771 dx = a_max;
02772 dy = b_max;
02773 }
02774 } else if (style & HT_RECT) {
02775 if (dx == 1) {
02776 style = HT_LINE | HT_DIR_Y;
02777 } else if (dy == 1) {
02778 style = HT_LINE | HT_DIR_X;
02779 }
02780 }
02781
02782 if (t0 != 1 || t1 != 1) {
02783 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02784
02785 params[index++] = dx;
02786 params[index++] = dy;
02787 if (heightdiff != 0) params[index++] = heightdiff;
02788 }
02789
02790 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02791 }
02792 break;
02793
02794 default: NOT_REACHED();
02795 }
02796
02797 _thd.selend.x = x;
02798 _thd.selend.y = y;
02799 }
02800
02805 EventState VpHandlePlaceSizingDrag()
02806 {
02807 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02808
02809
02810 Window *w = _thd.GetCallbackWnd();
02811 if (w == NULL) {
02812 ResetObjectToPlace();
02813 return ES_HANDLED;
02814 }
02815
02816
02817 if (_left_button_down) {
02818 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02819 return ES_HANDLED;
02820 }
02821
02822
02823
02824 _special_mouse_mode = WSM_NONE;
02825 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02826 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02827 _thd.place_mode = HT_RECT | others;
02828 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02829 _thd.place_mode = HT_RECT | others;
02830 } else if (_thd.select_method & VPM_RAILDIRS) {
02831 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02832 } else {
02833 _thd.place_mode = HT_POINT | others;
02834 }
02835 SetTileSelectSize(1, 1);
02836
02837 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02838
02839 return ES_HANDLED;
02840 }
02841
02842 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02843 {
02844 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02845 }
02846
02847 #include "table/animcursors.h"
02848
02849 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02850 {
02851 if (_thd.window_class != WC_INVALID) {
02852
02853 Window *w = _thd.GetCallbackWnd();
02854
02855
02856
02857
02858
02859 _thd.window_class = WC_INVALID;
02860 if (w != NULL) w->OnPlaceObjectAbort();
02861 }
02862
02863 SetTileSelectSize(1, 1);
02864
02865 _thd.make_square_red = false;
02866
02867 if (mode == HT_DRAG) {
02868 mode = HT_NONE;
02869 _special_mouse_mode = WSM_DRAGDROP;
02870 } else {
02871 _special_mouse_mode = WSM_NONE;
02872 }
02873
02874 _thd.place_mode = mode;
02875 _thd.window_class = window_class;
02876 _thd.window_number = window_num;
02877
02878 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
02879 VpStartPreSizing();
02880 }
02881
02882 if ((icon & ANIMCURSOR_FLAG) != 0) {
02883 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02884 } else {
02885 SetMouseCursor(icon, pal);
02886 }
02887
02888 }
02889
02890 void ResetObjectToPlace()
02891 {
02892 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02893 }