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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
00049 #include "table/strings.h"
00050
00051 Point _tile_fract_coords;
00052
00053 struct StringSpriteToDraw {
00054 StringID string;
00055 Colours colour;
00056 int32 x;
00057 int32 y;
00058 uint64 params[2];
00059 uint16 width;
00060 };
00061
00062 struct TileSpriteToDraw {
00063 SpriteID image;
00064 PaletteID pal;
00065 const SubSprite *sub;
00066 int32 x;
00067 int32 y;
00068 };
00069
00070 struct ChildScreenSpriteToDraw {
00071 SpriteID image;
00072 PaletteID pal;
00073 const SubSprite *sub;
00074 int32 x;
00075 int32 y;
00076 int next;
00077 };
00078
00080 struct ParentSpriteToDraw {
00081 SpriteID image;
00082 PaletteID pal;
00083 const SubSprite *sub;
00084
00085 int32 x;
00086 int32 y;
00087
00088 int32 left;
00089 int32 top;
00090
00091 int32 xmin;
00092 int32 xmax;
00093 int32 ymin;
00094 int32 ymax;
00095 int zmin;
00096 int zmax;
00097
00098 int first_child;
00099 bool comparison_done;
00100 };
00101
00103 enum FoundationPart {
00104 FOUNDATION_PART_NONE = 0xFF,
00105 FOUNDATION_PART_NORMAL = 0,
00106 FOUNDATION_PART_HALFTILE = 1,
00107 FOUNDATION_PART_END
00108 };
00109
00114 enum SpriteCombineMode {
00115 SPRITE_COMBINE_NONE,
00116 SPRITE_COMBINE_PENDING,
00117 SPRITE_COMBINE_ACTIVE,
00118 };
00119
00120 typedef SmallVector<TileSpriteToDraw, 64> TileSpriteToDrawVector;
00121 typedef SmallVector<StringSpriteToDraw, 4> StringSpriteToDrawVector;
00122 typedef SmallVector<ParentSpriteToDraw, 64> ParentSpriteToDrawVector;
00123 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
00124 typedef SmallVector<ChildScreenSpriteToDraw, 16> ChildScreenSpriteToDrawVector;
00125
00127 struct ViewportDrawer {
00128 DrawPixelInfo dpi;
00129
00130 StringSpriteToDrawVector string_sprites_to_draw;
00131 TileSpriteToDrawVector tile_sprites_to_draw;
00132 ParentSpriteToDrawVector parent_sprites_to_draw;
00133 ParentSpriteToSortVector parent_sprites_to_sort;
00134 ChildScreenSpriteToDrawVector child_screen_sprites_to_draw;
00135
00136 int *last_child;
00137
00138 SpriteCombineMode combine_sprites;
00139
00140 int foundation[FOUNDATION_PART_END];
00141 FoundationPart foundation_part;
00142 int *last_foundation_child[FOUNDATION_PART_END];
00143 Point foundation_offset[FOUNDATION_PART_END];
00144 };
00145
00146 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom);
00147
00148 static ViewportDrawer _vd;
00149
00150 TileHighlightData _thd;
00151 static TileInfo *_cur_ti;
00152 bool _draw_bounding_boxes = false;
00153
00154 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00155 {
00156 Point p = RemapCoords(x, y, z);
00157 p.x -= vp->virtual_width / 2;
00158 p.y -= vp->virtual_height / 2;
00159 return p;
00160 }
00161
00162 void DeleteWindowViewport(Window *w)
00163 {
00164 free(w->viewport);
00165 w->viewport = NULL;
00166 }
00167
00180 void InitializeWindowViewport(Window *w, int x, int y,
00181 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00182 {
00183 assert(w->viewport == NULL);
00184
00185 ViewportData *vp = CallocT<ViewportData>(1);
00186
00187 vp->left = x + w->left;
00188 vp->top = y + w->top;
00189 vp->width = width;
00190 vp->height = height;
00191
00192 vp->zoom = static_cast<ZoomLevel>(Clamp(zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
00193
00194 vp->virtual_width = ScaleByZoom(width, zoom);
00195 vp->virtual_height = ScaleByZoom(height, zoom);
00196
00197 Point pt;
00198
00199 if (follow_flags & 0x80000000) {
00200 const Vehicle *veh;
00201
00202 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFFF);
00203 veh = Vehicle::Get(vp->follow_vehicle);
00204 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00205 } else {
00206 uint x = TileX(follow_flags) * TILE_SIZE;
00207 uint y = TileY(follow_flags) * TILE_SIZE;
00208
00209 vp->follow_vehicle = INVALID_VEHICLE;
00210 pt = MapXYZToViewport(vp, x, y, GetSlopePixelZ(x, y));
00211 }
00212
00213 vp->scrollpos_x = pt.x;
00214 vp->scrollpos_y = pt.y;
00215 vp->dest_scrollpos_x = pt.x;
00216 vp->dest_scrollpos_y = pt.y;
00217
00218 w->viewport = vp;
00219 vp->virtual_left = 0;
00220 vp->virtual_top = 0;
00221 }
00222
00223 static Point _vp_move_offs;
00224
00225 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00226 {
00227 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00228 if (left + width > w->left &&
00229 w->left + w->width > left &&
00230 top + height > w->top &&
00231 w->top + w->height > top) {
00232
00233 if (left < w->left) {
00234 DoSetViewportPosition(w, left, top, w->left - left, height);
00235 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00236 return;
00237 }
00238
00239 if (left + width > w->left + w->width) {
00240 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00241 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00242 return;
00243 }
00244
00245 if (top < w->top) {
00246 DoSetViewportPosition(w, left, top, width, (w->top - top));
00247 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00248 return;
00249 }
00250
00251 if (top + height > w->top + w->height) {
00252 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00253 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00254 return;
00255 }
00256
00257 return;
00258 }
00259 }
00260
00261 {
00262 int xo = _vp_move_offs.x;
00263 int yo = _vp_move_offs.y;
00264
00265 if (abs(xo) >= width || abs(yo) >= height) {
00266
00267 RedrawScreenRect(left, top, left + width, top + height);
00268 return;
00269 }
00270
00271 GfxScroll(left, top, width, height, xo, yo);
00272
00273 if (xo > 0) {
00274 RedrawScreenRect(left, top, xo + left, top + height);
00275 left += xo;
00276 width -= xo;
00277 } else if (xo < 0) {
00278 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00279 width += xo;
00280 }
00281
00282 if (yo > 0) {
00283 RedrawScreenRect(left, top, width + left, top + yo);
00284 } else if (yo < 0) {
00285 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00286 }
00287 }
00288 }
00289
00290 static void SetViewportPosition(Window *w, int x, int y)
00291 {
00292 ViewPort *vp = w->viewport;
00293 int old_left = vp->virtual_left;
00294 int old_top = vp->virtual_top;
00295 int i;
00296 int left, top, width, height;
00297
00298 vp->virtual_left = x;
00299 vp->virtual_top = y;
00300
00301
00302
00303
00304 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00305 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00306 x = UnScaleByZoomLower(x, vp->zoom);
00307 y = UnScaleByZoomLower(y, vp->zoom);
00308
00309 old_left -= x;
00310 old_top -= y;
00311
00312 if (old_top == 0 && old_left == 0) return;
00313
00314 _vp_move_offs.x = old_left;
00315 _vp_move_offs.y = old_top;
00316
00317 left = vp->left;
00318 top = vp->top;
00319 width = vp->width;
00320 height = vp->height;
00321
00322 if (left < 0) {
00323 width += left;
00324 left = 0;
00325 }
00326
00327 i = left + width - _screen.width;
00328 if (i >= 0) width -= i;
00329
00330 if (width > 0) {
00331 if (top < 0) {
00332 height += top;
00333 top = 0;
00334 }
00335
00336 i = top + height - _screen.height;
00337 if (i >= 0) height -= i;
00338
00339 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00340 }
00341 }
00342
00351 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00352 {
00353 ViewPort *vp = w->viewport;
00354
00355 if (vp != NULL &&
00356 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00357 IsInsideMM(y, vp->top, vp->top + vp->height))
00358 return vp;
00359
00360 return NULL;
00361 }
00362
00370 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00371 {
00372 Point pt;
00373 int a, b;
00374 int z;
00375
00376 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00377 (uint)(y -= vp->top) >= (uint)vp->height) {
00378 Point pt = {-1, -1};
00379 return pt;
00380 }
00381
00382 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> (2 + ZOOM_LVL_SHIFT);
00383 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> (1 + ZOOM_LVL_SHIFT);
00384
00385 a = y - x;
00386 b = y + x;
00387
00388
00389
00390
00391 a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00392 b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00393
00394
00395
00396
00397
00398
00399
00400
00401 z = 0;
00402
00403 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00404
00405 for (int i = 0; i < 5; i++) z = GetSlopePixelZ(Clamp(a + max(z, 4) - 4, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + max(z, 4) - 4, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00406 for (int malus = 3; malus > 0; malus--) z = GetSlopePixelZ(Clamp(a + max(z, malus) - malus, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + max(z, malus) - malus, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00407 for (int i = 0; i < 5; i++) z = GetSlopePixelZ(Clamp(a + z, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + z, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00408
00409 pt.x = Clamp(a + z, min_coord, MapMaxX() * TILE_SIZE - 1);
00410 pt.y = Clamp(b + z, min_coord, MapMaxY() * TILE_SIZE - 1);
00411
00412 return pt;
00413 }
00414
00415
00416
00417
00418 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00419 {
00420 Window *w;
00421 ViewPort *vp;
00422 Point pt;
00423
00424 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00425 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00426 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00427
00428 pt.y = pt.x = -1;
00429 return pt;
00430 }
00431
00432 Point GetTileBelowCursor()
00433 {
00434 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00435 }
00436
00437
00438 Point GetTileZoomCenterWindow(bool in, Window * w)
00439 {
00440 int x, y;
00441 ViewPort *vp = w->viewport;
00442
00443 if (in) {
00444 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00445 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00446 } else {
00447 x = vp->width - (_cursor.pos.x - vp->left);
00448 y = vp->height - (_cursor.pos.y - vp->top);
00449 }
00450
00451 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00452 }
00453
00462 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00463 {
00464 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom <= _settings_client.gui.zoom_min);
00465 w->SetWidgetDirty(widget_zoom_in);
00466
00467 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom >= _settings_client.gui.zoom_max);
00468 w->SetWidgetDirty(widget_zoom_out);
00469 }
00470
00483 static void AddTileSpriteToDraw(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0)
00484 {
00485 assert((image & SPRITE_MASK) < MAX_SPRITES);
00486
00487 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00488 ts->image = image;
00489 ts->pal = pal;
00490 ts->sub = sub;
00491 Point pt = RemapCoords(x, y, z);
00492 ts->x = pt.x + extra_offs_x;
00493 ts->y = pt.y + extra_offs_y;
00494 }
00495
00508 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00509 {
00510 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00511 assert(_vd.foundation[foundation_part] != -1);
00512 Point offs = _vd.foundation_offset[foundation_part];
00513
00514
00515 int *old_child = _vd.last_child;
00516 _vd.last_child = _vd.last_foundation_child[foundation_part];
00517
00518 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub, false);
00519
00520
00521 _vd.last_child = old_child;
00522 }
00523
00537 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00538 {
00539
00540 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00541
00542 if (_vd.foundation[_vd.foundation_part] != -1) {
00543 Point pt = RemapCoords(x, y, z);
00544 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x * ZOOM_LVL_BASE, pt.y + extra_offs_y * ZOOM_LVL_BASE);
00545 } else {
00546 AddTileSpriteToDraw(image, pal, _cur_ti->x + x, _cur_ti->y + y, _cur_ti->z + z, sub, extra_offs_x * ZOOM_LVL_BASE, extra_offs_y * ZOOM_LVL_BASE);
00547 }
00548 }
00549
00560 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00561 {
00562 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00563 }
00564
00572 void OffsetGroundSprite(int x, int y)
00573 {
00574
00575 switch (_vd.foundation_part) {
00576 case FOUNDATION_PART_NONE:
00577 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00578 break;
00579 case FOUNDATION_PART_NORMAL:
00580 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00581 break;
00582 default: NOT_REACHED();
00583 }
00584
00585
00586 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00587
00588 _vd.foundation_offset[_vd.foundation_part].x = x * ZOOM_LVL_BASE;
00589 _vd.foundation_offset[_vd.foundation_part].y = y * ZOOM_LVL_BASE;
00590 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00591 }
00592
00604 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, int z, const SubSprite *sub)
00605 {
00606 Point pt = RemapCoords(x, y, z);
00607 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00608
00609 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00610 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00611 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00612 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00613 return;
00614
00615 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00616 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub, false);
00617 }
00618
00644 void AddSortableSpriteToDraw(SpriteID image, PaletteID pal, int x, int y, int w, int h, int dz, int z, bool transparent, int bb_offset_x, int bb_offset_y, int bb_offset_z, const SubSprite *sub)
00645 {
00646 int32 left, right, top, bottom;
00647
00648 assert((image & SPRITE_MASK) < MAX_SPRITES);
00649
00650
00651 if (transparent) {
00652 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00653 pal = PALETTE_TO_TRANSPARENT;
00654 }
00655
00656 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00657 AddCombinedSprite(image, pal, x, y, z, sub);
00658 return;
00659 }
00660
00661 _vd.last_child = NULL;
00662
00663 Point pt = RemapCoords(x, y, z);
00664 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00665
00666
00667 if (image == SPR_EMPTY_BOUNDING_BOX) {
00668 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00669 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00670 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00671 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00672 } else {
00673 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00674 left = tmp_left = (pt.x += spr->x_offs);
00675 right = (pt.x + spr->width );
00676 top = tmp_top = (pt.y += spr->y_offs);
00677 bottom = (pt.y + spr->height);
00678 }
00679
00680 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00681
00682 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00683 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00684 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00685 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00686 }
00687
00688
00689 if (left >= _vd.dpi.left + _vd.dpi.width ||
00690 right <= _vd.dpi.left ||
00691 top >= _vd.dpi.top + _vd.dpi.height ||
00692 bottom <= _vd.dpi.top) {
00693 return;
00694 }
00695
00696 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00697 ps->x = tmp_x;
00698 ps->y = tmp_y;
00699
00700 ps->left = tmp_left;
00701 ps->top = tmp_top;
00702
00703 ps->image = image;
00704 ps->pal = pal;
00705 ps->sub = sub;
00706 ps->xmin = x + bb_offset_x;
00707 ps->xmax = x + max(bb_offset_x, w) - 1;
00708
00709 ps->ymin = y + bb_offset_y;
00710 ps->ymax = y + max(bb_offset_y, h) - 1;
00711
00712 ps->zmin = z + bb_offset_z;
00713 ps->zmax = z + max(bb_offset_z, dz) - 1;
00714
00715 ps->comparison_done = false;
00716 ps->first_child = -1;
00717
00718 _vd.last_child = &ps->first_child;
00719
00720 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00721 }
00722
00741 void StartSpriteCombine()
00742 {
00743 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00744 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00745 }
00746
00751 void EndSpriteCombine()
00752 {
00753 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00754 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00755 }
00756
00766 static bool IsInRangeInclusive(int begin, int end, int check)
00767 {
00768 if (begin > end) Swap(begin, end);
00769 return begin <= check && check <= end;
00770 }
00771
00778 bool IsInsideRotatedRectangle(int x, int y)
00779 {
00780 int dist_a = (_thd.size.x + _thd.size.y);
00781 int dist_b = (_thd.size.x - _thd.size.y);
00782 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00783 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00784
00785
00786 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00787 }
00788
00799 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub, bool scale)
00800 {
00801 assert((image & SPRITE_MASK) < MAX_SPRITES);
00802
00803
00804 if (_vd.last_child == NULL) return;
00805
00806
00807 if (transparent) {
00808 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00809 pal = PALETTE_TO_TRANSPARENT;
00810 }
00811
00812 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00813
00814 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00815 cs->image = image;
00816 cs->pal = pal;
00817 cs->sub = sub;
00818 cs->x = scale ? x * ZOOM_LVL_BASE : x;
00819 cs->y = scale ? y * ZOOM_LVL_BASE : y;
00820 cs->next = -1;
00821
00822
00823
00824
00825 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00826 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00827 _vd.last_child = &cs->next;
00828 }
00829
00830 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00831 {
00832 assert(width != 0);
00833 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00834 ss->string = string;
00835 ss->x = x;
00836 ss->y = y;
00837 ss->params[0] = params_1;
00838 ss->params[1] = params_2;
00839 ss->width = width;
00840 ss->colour = colour;
00841 }
00842
00843
00855 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00856 {
00857
00858 if (_vd.foundation[foundation_part] == -1) {
00859
00860 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00861 } else {
00862
00863 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset * ZOOM_LVL_BASE);
00864 }
00865 }
00866
00873 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00874 {
00875 if (!IsValidTile(ti->tile)) return;
00876
00877 SpriteID sel;
00878 if (IsHalftileSlope(ti->tileh)) {
00879 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00880 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00881 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00882
00883 Corner opposite_corner = OppositeCorner(halftile_corner);
00884 if (IsSteepSlope(ti->tileh)) {
00885 sel = SPR_HALFTILE_SELECTION_DOWN;
00886 } else {
00887 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00888 }
00889 sel += opposite_corner;
00890 } else {
00891 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00892 }
00893 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00894 }
00895
00896 static bool IsPartOfAutoLine(int px, int py)
00897 {
00898 px -= _thd.selstart.x;
00899 py -= _thd.selstart.y;
00900
00901 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_LINE) return false;
00902
00903 switch (_thd.drawstyle & HT_DIR_MASK) {
00904 case HT_DIR_X: return py == 0;
00905 case HT_DIR_Y: return px == 0;
00906 case HT_DIR_HU: return px == -py || px == -py - 16;
00907 case HT_DIR_HL: return px == -py || px == -py + 16;
00908 case HT_DIR_VL: return px == py || px == py + 16;
00909 case HT_DIR_VR: return px == py || px == py - 16;
00910 default:
00911 NOT_REACHED();
00912 }
00913 }
00914
00915
00916 static const HighLightStyle _autorail_type[6][2] = {
00917 { HT_DIR_X, HT_DIR_X },
00918 { HT_DIR_Y, HT_DIR_Y },
00919 { HT_DIR_HU, HT_DIR_HL },
00920 { HT_DIR_HL, HT_DIR_HU },
00921 { HT_DIR_VL, HT_DIR_VR },
00922 { HT_DIR_VR, HT_DIR_VL }
00923 };
00924
00925 #include "table/autorail.h"
00926
00933 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00934 {
00935 SpriteID image;
00936 PaletteID pal;
00937 int offset;
00938
00939 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00940 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00941 if (IsHalftileSlope(ti->tileh)) {
00942 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00943 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00944 if (autorail_type != _lower_rail[halftile_corner]) {
00945 foundation_part = FOUNDATION_PART_HALFTILE;
00946
00947 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00948 }
00949 }
00950
00951 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00952 if (offset >= 0) {
00953 image = SPR_AUTORAIL_BASE + offset;
00954 pal = PAL_NONE;
00955 } else {
00956 image = SPR_AUTORAIL_BASE - offset;
00957 pal = PALETTE_SEL_TILE_RED;
00958 }
00959
00960 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00961 }
00962
00967 static void DrawTileSelection(const TileInfo *ti)
00968 {
00969
00970 bool is_redsq = _thd.redsq == ti->tile;
00971 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00972
00973
00974 if ((_thd.drawstyle & HT_DRAG_MASK) == HT_NONE) return;
00975
00976 if (_thd.diagonal) {
00977 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) goto draw_inner;
00978 return;
00979 }
00980
00981
00982 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00983 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00984 draw_inner:
00985 if (_thd.drawstyle & HT_RECT) {
00986 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00987 } else if (_thd.drawstyle & HT_POINT) {
00988
00989 int z = 0;
00990 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00991 if (ti->tileh & SLOPE_N) {
00992 z += TILE_HEIGHT;
00993 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00994 }
00995 if (IsHalftileSlope(ti->tileh)) {
00996 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00997 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
00998 if (halftile_corner != CORNER_S) {
00999 foundation_part = FOUNDATION_PART_HALFTILE;
01000 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
01001 }
01002 }
01003 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01004 } else if (_thd.drawstyle & HT_RAIL) {
01005
01006 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01007 assert(type < HT_DIR_END);
01008 DrawAutorailSelection(ti, _autorail_type[type][0]);
01009 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01010
01011 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01012 uint side;
01013
01014 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01015 side = 0;
01016 } else {
01017 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01018 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01019 }
01020
01021 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01022 }
01023 return;
01024 }
01025
01026
01027 if (!is_redsq && _thd.outersize.x > 0 &&
01028 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01029 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01030
01031 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01032 return;
01033 }
01034 }
01035
01036 static void ViewportAddLandscape()
01037 {
01038 int x, y, width, height;
01039 TileInfo ti;
01040 bool direction;
01041
01042 _cur_ti = &ti;
01043
01044
01045 x = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) - (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT))) & ~TILE_UNIT_MASK;
01046 y = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) + (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT)) - TILE_SIZE) & ~TILE_UNIT_MASK;
01047
01048
01049 {
01050 Point pt = RemapCoords(x, y, 241);
01051 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 95 * ZOOM_LVL_BASE) >> (6 + ZOOM_LVL_SHIFT);
01052 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> (5 + ZOOM_LVL_SHIFT) << 1;
01053 }
01054
01055 assert(width > 0);
01056 assert(height > 0);
01057
01058 direction = false;
01059
01060 do {
01061 int width_cur = width;
01062 uint x_cur = x;
01063 uint y_cur = y;
01064
01065 do {
01066 TileType tt = MP_VOID;
01067
01068 ti.x = x_cur;
01069 ti.y = y_cur;
01070
01071 ti.z = 0;
01072
01073 ti.tileh = SLOPE_FLAT;
01074 ti.tile = INVALID_TILE;
01075
01076 if (x_cur < MapMaxX() * TILE_SIZE &&
01077 y_cur < MapMaxY() * TILE_SIZE) {
01078 TileIndex tile = TileVirtXY(x_cur, y_cur);
01079
01080 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01081 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01082 uint maxh = max<uint>(TileHeight(tile), 1);
01083 for (uint h = 0; h < maxh; h++) {
01084 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01085 }
01086 }
01087
01088 ti.tile = tile;
01089 ti.tileh = GetTilePixelSlope(tile, &ti.z);
01090 tt = GetTileType(tile);
01091 }
01092 }
01093
01094 _vd.foundation_part = FOUNDATION_PART_NONE;
01095 _vd.foundation[0] = -1;
01096 _vd.foundation[1] = -1;
01097 _vd.last_foundation_child[0] = NULL;
01098 _vd.last_foundation_child[1] = NULL;
01099
01100 _tile_type_procs[tt]->draw_tile_proc(&ti);
01101
01102 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01103 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01104 TileIndex tile = TileVirtXY(x_cur, y_cur);
01105 ti.tile = tile;
01106 ti.tileh = GetTilePixelSlope(tile, &ti.z);
01107 tt = GetTileType(tile);
01108 }
01109 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01110
01111 y_cur += 0x10;
01112 x_cur -= 0x10;
01113 } while (--width_cur);
01114
01115 if ((direction ^= 1) != 0) {
01116 y += 0x10;
01117 } else {
01118 x += 0x10;
01119 }
01120 } while (--height);
01121 }
01122
01133 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)
01134 {
01135 bool small = dpi->zoom >= small_from;
01136
01137 int left = dpi->left;
01138 int top = dpi->top;
01139 int right = left + dpi->width;
01140 int bottom = top + dpi->height;
01141
01142 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01143 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01144
01145 if (bottom < sign->top ||
01146 top > sign->top + sign_height ||
01147 right < sign->center - sign_half_width ||
01148 left > sign->center + sign_half_width) {
01149 return;
01150 }
01151
01152 if (!small) {
01153 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01154 } else {
01155 int shadow_offset = 0;
01156 if (string_small_shadow != STR_NULL) {
01157 shadow_offset = 4;
01158 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01159 }
01160 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01161 colour, sign->width_small | 0x8000);
01162 }
01163 }
01164
01165 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01166 {
01167 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01168
01169 const Town *t;
01170 FOR_ALL_TOWNS(t) {
01171 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &t->cache.sign,
01172 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01173 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01174 t->index, t->cache.population);
01175 }
01176 }
01177
01178
01179 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01180 {
01181 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01182
01183 const BaseStation *st;
01184 FOR_ALL_BASE_STATIONS(st) {
01185
01186 bool is_station = Station::IsExpected(st);
01187
01188
01189 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01190
01191
01192 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01193
01194 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &st->sign,
01195 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01196 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01197 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01198 }
01199 }
01200
01201
01202 static void ViewportAddSigns(DrawPixelInfo *dpi)
01203 {
01204
01205 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01206
01207 const Sign *si;
01208 FOR_ALL_SIGNS(si) {
01209
01210
01211
01212 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner && si->owner != OWNER_DEITY) continue;
01213
01214 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &si->sign,
01215 STR_WHITE_SIGN,
01216 (IsTransparencySet(TO_SIGNS) || si->owner == OWNER_DEITY) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01217 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : (si->owner == OWNER_DEITY ? INVALID_COLOUR : _company_colours[si->owner]));
01218 }
01219 }
01220
01227 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01228 {
01229 if (this->width_normal != 0) this->MarkDirty();
01230
01231 this->top = top;
01232
01233 char buffer[DRAW_STRING_BUFFER];
01234
01235 GetString(buffer, str, lastof(buffer));
01236 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01237 this->center = center;
01238
01239
01240 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01241
01242 this->MarkDirty();
01243 }
01244
01251 void ViewportSign::MarkDirty(ZoomLevel maxzoom) const
01252 {
01253 Rect zoomlevels[ZOOM_LVL_COUNT];
01254
01255 for (ZoomLevel zoom = ZOOM_LVL_BEGIN; zoom != ZOOM_LVL_END; zoom++) {
01256
01257 zoomlevels[zoom].left = this->center - ScaleByZoom(this->width_normal / 2 + 1, zoom);
01258 zoomlevels[zoom].top = this->top - ScaleByZoom(1, zoom);
01259 zoomlevels[zoom].right = this->center + ScaleByZoom(this->width_normal / 2 + 1, zoom);
01260 zoomlevels[zoom].bottom = this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, zoom);
01261 }
01262
01263 Window *w;
01264 FOR_ALL_WINDOWS_FROM_BACK(w) {
01265 ViewPort *vp = w->viewport;
01266 if (vp != NULL && vp->zoom <= maxzoom) {
01267 assert(vp->width != 0);
01268 Rect &zl = zoomlevels[vp->zoom];
01269 MarkViewportDirty(vp, zl.left, zl.top, zl.right, zl.bottom);
01270 }
01271 }
01272 }
01273
01274 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01275 {
01276 const TileSpriteToDraw *tsend = tstdv->End();
01277 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01278 DrawSpriteViewport(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01279 }
01280 }
01281
01283 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01284 {
01285 ParentSpriteToDraw **psdvend = psdv->End();
01286 ParentSpriteToDraw **psd = psdv->Begin();
01287 while (psd != psdvend) {
01288 ParentSpriteToDraw *ps = *psd;
01289
01290 if (ps->comparison_done) {
01291 psd++;
01292 continue;
01293 }
01294
01295 ps->comparison_done = true;
01296
01297 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01298 ParentSpriteToDraw *ps2 = *psd2;
01299
01300 if (ps2->comparison_done) continue;
01301
01302
01303
01304
01305 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01306 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01307 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01308
01309
01310
01311
01312
01313
01314 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01315 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01316 continue;
01317 }
01318 } else {
01319
01320
01321
01322
01323 if (ps->xmax < ps2->xmin ||
01324 ps->ymax < ps2->ymin ||
01325 ps->zmax < ps2->zmin) {
01326 continue;
01327 }
01328 }
01329
01330
01331 ParentSpriteToDraw *temp = ps2;
01332 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01333 *psd3 = *(psd3 - 1);
01334 }
01335 *psd = temp;
01336 }
01337 }
01338 }
01339
01340 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
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 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSpriteViewport(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01346
01347 int child_idx = ps->first_child;
01348 while (child_idx >= 0) {
01349 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01350 child_idx = cs->next;
01351 DrawSpriteViewport(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01352 }
01353 }
01354 }
01355
01360 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01361 {
01362 const ParentSpriteToDraw * const *psd_end = psd->End();
01363 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01364 const ParentSpriteToDraw *ps = *it;
01365 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01366 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01367 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01368 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01369
01370 DrawBox( pt1.x, pt1.y,
01371 pt2.x - pt1.x, pt2.y - pt1.y,
01372 pt3.x - pt1.x, pt3.y - pt1.y,
01373 pt4.x - pt1.x, pt4.y - pt1.y);
01374 }
01375 }
01376
01377 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01378 {
01379 DrawPixelInfo dp;
01380 ZoomLevel zoom;
01381
01382 _cur_dpi = &dp;
01383 dp = *dpi;
01384
01385 zoom = dp.zoom;
01386 dp.zoom = ZOOM_LVL_NORMAL;
01387
01388 dp.left = UnScaleByZoom(dp.left, zoom);
01389 dp.top = UnScaleByZoom(dp.top, zoom);
01390 dp.width = UnScaleByZoom(dp.width, zoom);
01391 dp.height = UnScaleByZoom(dp.height, zoom);
01392
01393 const StringSpriteToDraw *ssend = sstdv->End();
01394 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01395 TextColour colour = TC_BLACK;
01396 bool small = HasBit(ss->width, 15);
01397 int w = GB(ss->width, 0, 15);
01398 int x = UnScaleByZoom(ss->x, zoom);
01399 int y = UnScaleByZoom(ss->y, zoom);
01400 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01401
01402 SetDParam(0, ss->params[0]);
01403 SetDParam(1, ss->params[1]);
01404
01405 if (ss->colour != INVALID_COLOUR) {
01406
01407 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01408
01409
01410
01411 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01412
01413
01414 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01415 }
01416
01417
01418
01419 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01420 DrawFrameRect(
01421 x, y, x + w, y + h, ss->colour,
01422 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01423 );
01424 }
01425 }
01426
01427 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01428 }
01429 }
01430
01431 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01432 {
01433 DrawPixelInfo *old_dpi = _cur_dpi;
01434 _cur_dpi = &_vd.dpi;
01435
01436 _vd.dpi.zoom = vp->zoom;
01437 int mask = ScaleByZoom(-1, vp->zoom);
01438
01439 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01440
01441 _vd.dpi.width = (right - left) & mask;
01442 _vd.dpi.height = (bottom - top) & mask;
01443 _vd.dpi.left = left & mask;
01444 _vd.dpi.top = top & mask;
01445 _vd.dpi.pitch = old_dpi->pitch;
01446 _vd.last_child = NULL;
01447
01448 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01449 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01450
01451 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01452
01453 ViewportAddLandscape();
01454 ViewportAddVehicles(&_vd.dpi);
01455
01456 ViewportAddTownNames(&_vd.dpi);
01457 ViewportAddStationNames(&_vd.dpi);
01458 ViewportAddSigns(&_vd.dpi);
01459
01460 DrawTextEffects(&_vd.dpi);
01461
01462 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01463
01464 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01465 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01466 *_vd.parent_sprites_to_sort.Append() = it;
01467 }
01468
01469 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01470 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01471
01472 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01473
01474 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01475
01476 _cur_dpi = old_dpi;
01477
01478 _vd.string_sprites_to_draw.Clear();
01479 _vd.tile_sprites_to_draw.Clear();
01480 _vd.parent_sprites_to_draw.Clear();
01481 _vd.parent_sprites_to_sort.Clear();
01482 _vd.child_screen_sprites_to_draw.Clear();
01483 }
01484
01489 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01490 {
01491 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000 * ZOOM_LVL_BASE * ZOOM_LVL_BASE) {
01492 if ((bottom - top) > (right - left)) {
01493 int t = (top + bottom) >> 1;
01494 ViewportDrawChk(vp, left, top, right, t);
01495 ViewportDrawChk(vp, left, t, right, bottom);
01496 } else {
01497 int t = (left + right) >> 1;
01498 ViewportDrawChk(vp, left, top, t, bottom);
01499 ViewportDrawChk(vp, t, top, right, bottom);
01500 }
01501 } else {
01502 ViewportDoDraw(vp,
01503 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01504 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01505 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01506 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01507 );
01508 }
01509 }
01510
01511 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01512 {
01513 if (right <= vp->left || bottom <= vp->top) return;
01514
01515 if (left >= vp->left + vp->width) return;
01516
01517 if (left < vp->left) left = vp->left;
01518 if (right > vp->left + vp->width) right = vp->left + vp->width;
01519
01520 if (top >= vp->top + vp->height) return;
01521
01522 if (top < vp->top) top = vp->top;
01523 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01524
01525 ViewportDrawChk(vp, left, top, right, bottom);
01526 }
01527
01531 void Window::DrawViewport() const
01532 {
01533 DrawPixelInfo *dpi = _cur_dpi;
01534
01535 dpi->left += this->left;
01536 dpi->top += this->top;
01537
01538 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01539
01540 dpi->left -= this->left;
01541 dpi->top -= this->top;
01542 }
01543
01544 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01545 {
01546
01547 x += vp->virtual_width / 2;
01548 y += vp->virtual_height / 2;
01549
01550
01551
01552 int vx = -x + y * 2;
01553 int vy = x + y * 2;
01554
01555
01556 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4 * ZOOM_LVL_BASE);
01557 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4 * ZOOM_LVL_BASE);
01558
01559
01560 x = (-vx + vy) / 2;
01561 y = ( vx + vy) / 4;
01562
01563
01564 x -= vp->virtual_width / 2;
01565 y -= vp->virtual_height / 2;
01566 }
01567
01572 void UpdateViewportPosition(Window *w)
01573 {
01574 const ViewPort *vp = w->viewport;
01575
01576 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01577 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01578 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01579
01580 w->viewport->scrollpos_x = pt.x;
01581 w->viewport->scrollpos_y = pt.y;
01582 SetViewportPosition(w, pt.x, pt.y);
01583 } else {
01584
01585 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01586
01587 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01588 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01589
01590 if (delta_x != 0 || delta_y != 0) {
01591 if (_settings_client.gui.smooth_scroll) {
01592 int max_scroll = ScaleByMapSize1D(512 * ZOOM_LVL_BASE);
01593
01594 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01595 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01596 } else {
01597 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01598 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01599 }
01600 }
01601
01602 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01603
01604 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01605 }
01606 }
01607
01617 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01618 {
01619 right -= vp->virtual_left;
01620 if (right <= 0) return;
01621
01622 bottom -= vp->virtual_top;
01623 if (bottom <= 0) return;
01624
01625 left = max(0, left - vp->virtual_left);
01626
01627 if (left >= vp->virtual_width) return;
01628
01629 top = max(0, top - vp->virtual_top);
01630
01631 if (top >= vp->virtual_height) return;
01632
01633 SetDirtyBlocks(
01634 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01635 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01636 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01637 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01638 );
01639 }
01640
01649 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01650 {
01651 Window *w;
01652 FOR_ALL_WINDOWS_FROM_BACK(w) {
01653 ViewPort *vp = w->viewport;
01654 if (vp != NULL) {
01655 assert(vp->width != 0);
01656 MarkViewportDirty(vp, left, top, right, bottom);
01657 }
01658 }
01659 }
01660
01661 void ConstrainAllViewportsZoom()
01662 {
01663 Window *w;
01664 FOR_ALL_WINDOWS_FROM_FRONT(w) {
01665 if (w->viewport == NULL) continue;
01666
01667 ZoomLevel zoom = static_cast<ZoomLevel>(Clamp(w->viewport->zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
01668 if (zoom != w->viewport->zoom) {
01669 while (w->viewport->zoom < zoom) DoZoomInOutWindow(ZOOM_OUT, w);
01670 while (w->viewport->zoom > zoom) DoZoomInOutWindow(ZOOM_IN, w);
01671 }
01672 }
01673 }
01674
01680 void MarkTileDirtyByTile(TileIndex tile)
01681 {
01682 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTilePixelZ(tile));
01683 MarkAllViewportsDirty(
01684 pt.x - 31 * ZOOM_LVL_BASE,
01685 pt.y - 122 * ZOOM_LVL_BASE,
01686 pt.x - 31 * ZOOM_LVL_BASE + 67 * ZOOM_LVL_BASE,
01687 pt.y - 122 * ZOOM_LVL_BASE + 154 * ZOOM_LVL_BASE
01688 );
01689 }
01690
01698 static void SetSelectionTilesDirty()
01699 {
01700 int x_size = _thd.size.x;
01701 int y_size = _thd.size.y;
01702
01703 if (!_thd.diagonal) {
01704 int x_start = _thd.pos.x;
01705 int y_start = _thd.pos.y;
01706
01707 if (_thd.outersize.x != 0) {
01708 x_size += _thd.outersize.x;
01709 x_start += _thd.offs.x;
01710 y_size += _thd.outersize.y;
01711 y_start += _thd.offs.y;
01712 }
01713
01714 x_size -= TILE_SIZE;
01715 y_size -= TILE_SIZE;
01716
01717 assert(x_size >= 0);
01718 assert(y_size >= 0);
01719
01720 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01721 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01722
01723 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01724 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01725
01726
01727 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01728
01729
01730
01731
01732
01733
01734
01735
01736
01737
01738
01739
01740
01741
01742
01743
01744
01745
01746
01747 int top_x = x_end;
01748 int top_y = y_start;
01749 int bot_x = top_x;
01750 int bot_y = top_y;
01751
01752 do {
01753
01754 TileIndex top_tile = TileVirtXY(top_x, top_y);
01755 Point top = RemapCoords(top_x, top_y, GetTileMaxPixelZ(top_tile));
01756
01757
01758 TileIndex bottom_tile = TileVirtXY(bot_x, bot_y);
01759 Point bot = RemapCoords(bot_x + TILE_SIZE, bot_y + TILE_SIZE, GetTilePixelZ(bottom_tile));
01760
01761
01762
01763
01764 int l = top.x - (TILE_PIXELS - 2) * ZOOM_LVL_BASE;
01765 int t = top.y;
01766 int r = top.x + (TILE_PIXELS - 2) * ZOOM_LVL_BASE;
01767 int b = bot.y;
01768
01769 static const int OVERLAY_WIDTH = 4 * ZOOM_LVL_BASE;
01770
01771
01772 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT * ZOOM_LVL_BASE, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH * ZOOM_LVL_BASE);
01773
01774
01775 if (top_x != x_start) {
01776 top_x -= TILE_SIZE;
01777 } else {
01778 top_y += TILE_SIZE;
01779 }
01780
01781
01782 if (bot_y != y_end) {
01783 bot_y += TILE_SIZE;
01784 } else {
01785 bot_x -= TILE_SIZE;
01786 }
01787 } while (bot_x >= top_x);
01788 } else {
01789
01790 int a_size = x_size + y_size, b_size = x_size - y_size;
01791
01792 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01793 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01794
01795 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01796 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01797 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01798 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01799
01800 if (x < MapMaxX() && y < MapMaxY()) {
01801 MarkTileDirtyByTile(TileXY(x, y));
01802 }
01803 }
01804 }
01805 }
01806 }
01807
01808
01809 void SetSelectionRed(bool b)
01810 {
01811 _thd.make_square_red = b;
01812 SetSelectionTilesDirty();
01813 }
01814
01823 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01824 {
01825 bool small = (vp->zoom >= ZOOM_LVL_OUT_16X);
01826 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01827 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01828
01829 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01830 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01831
01832 return y >= sign->top && y < sign->top + sign_height &&
01833 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01834 }
01835
01836 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01837 {
01838 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01839
01840 const Town *t;
01841 FOR_ALL_TOWNS(t) {
01842 if (CheckClickOnViewportSign(vp, x, y, &t->cache.sign)) {
01843 ShowTownViewWindow(t->index);
01844 return true;
01845 }
01846 }
01847
01848 return false;
01849 }
01850
01851 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01852 {
01853 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01854
01855 const BaseStation *st;
01856 FOR_ALL_BASE_STATIONS(st) {
01857
01858 bool is_station = Station::IsExpected(st);
01859
01860
01861 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01862
01863
01864 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01865
01866 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01867 if (is_station) {
01868 ShowStationViewWindow(st->index);
01869 } else {
01870 ShowWaypointWindow(Waypoint::From(st));
01871 }
01872 return true;
01873 }
01874 }
01875
01876 return false;
01877 }
01878
01879
01880 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01881 {
01882
01883 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01884
01885 const Sign *si;
01886 FOR_ALL_SIGNS(si) {
01887
01888 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner && si->owner != OWNER_DEITY) continue;
01889 if (si->owner == OWNER_DEITY && _game_mode != GM_EDITOR) continue;
01890
01891 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01892 HandleClickOnSign(si);
01893 return true;
01894 }
01895 }
01896
01897 return false;
01898 }
01899
01900
01901 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01902 {
01903 Point pt = TranslateXYToTileCoord(vp, x, y);
01904
01905 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01906 return true;
01907 }
01908
01909 static void PlaceObject()
01910 {
01911 Point pt;
01912 Window *w;
01913
01914 pt = GetTileBelowCursor();
01915 if (pt.x == -1) return;
01916
01917 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01918 pt.x += TILE_SIZE / 2;
01919 pt.y += TILE_SIZE / 2;
01920 }
01921
01922 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01923 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01924
01925 w = _thd.GetCallbackWnd();
01926 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01927 }
01928
01929
01930 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01931 {
01932 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01933
01934 if (_thd.place_mode & HT_VEHICLE) {
01935 if (v != NULL && VehicleClicked(v)) return true;
01936 }
01937
01938
01939 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
01940 PlaceObject();
01941 return true;
01942 }
01943
01944 if (CheckClickOnTown(vp, x, y)) return true;
01945 if (CheckClickOnStation(vp, x, y)) return true;
01946 if (CheckClickOnSign(vp, x, y)) return true;
01947 bool result = CheckClickOnLandscape(vp, x, y);
01948
01949 if (v != NULL) {
01950 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01951 if (IsCompanyBuildableVehicleType(v)) {
01952 v = v->First();
01953 if (_ctrl_pressed && v->owner == _local_company) {
01954 StartStopVehicle(v, true);
01955 } else {
01956 ShowVehicleViewWindow(v);
01957 }
01958 }
01959 return true;
01960 }
01961 return result;
01962 }
01963
01964
01974 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
01975 {
01976
01977 if (z == -1) z = GetSlopePixelZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
01978
01979 Point pt = MapXYZToViewport(w->viewport, x, y, z);
01980 w->viewport->follow_vehicle = INVALID_VEHICLE;
01981
01982 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
01983
01984 if (instant) {
01985 w->viewport->scrollpos_x = pt.x;
01986 w->viewport->scrollpos_y = pt.y;
01987 }
01988
01989 w->viewport->dest_scrollpos_x = pt.x;
01990 w->viewport->dest_scrollpos_y = pt.y;
01991 return true;
01992 }
01993
02001 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
02002 {
02003 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
02004 }
02005
02012 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
02013 {
02014 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
02015 }
02016
02021 void SetRedErrorSquare(TileIndex tile)
02022 {
02023 TileIndex old;
02024
02025 old = _thd.redsq;
02026 _thd.redsq = tile;
02027
02028 if (tile != old) {
02029 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
02030 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
02031 }
02032 }
02033
02039 void SetTileSelectSize(int w, int h)
02040 {
02041 _thd.new_size.x = w * TILE_SIZE;
02042 _thd.new_size.y = h * TILE_SIZE;
02043 _thd.new_outersize.x = 0;
02044 _thd.new_outersize.y = 0;
02045 }
02046
02047 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02048 {
02049 _thd.offs.x = ox * TILE_SIZE;
02050 _thd.offs.y = oy * TILE_SIZE;
02051 _thd.new_outersize.x = sx * TILE_SIZE;
02052 _thd.new_outersize.y = sy * TILE_SIZE;
02053 }
02054
02056 static HighLightStyle GetAutorailHT(int x, int y)
02057 {
02058 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02059 }
02060
02064 void TileHighlightData::Reset()
02065 {
02066 this->pos.x = 0;
02067 this->pos.y = 0;
02068 this->new_pos.x = 0;
02069 this->new_pos.y = 0;
02070 }
02071
02076 bool TileHighlightData::IsDraggingDiagonal()
02077 {
02078 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02079 }
02080
02085 Window *TileHighlightData::GetCallbackWnd()
02086 {
02087 return FindWindowById(this->window_class, this->window_number);
02088 }
02089
02090
02091
02099 void UpdateTileSelection()
02100 {
02101 int x1;
02102 int y1;
02103
02104 HighLightStyle new_drawstyle = HT_NONE;
02105 bool new_diagonal = false;
02106
02107 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02108 x1 = _thd.selend.x;
02109 y1 = _thd.selend.y;
02110 if (x1 != -1) {
02111 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02112 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02113 x1 &= ~TILE_UNIT_MASK;
02114 y1 &= ~TILE_UNIT_MASK;
02115
02116 if (_thd.IsDraggingDiagonal()) {
02117 new_diagonal = true;
02118 } else {
02119 if (x1 >= x2) Swap(x1, x2);
02120 if (y1 >= y2) Swap(y1, y2);
02121 }
02122 _thd.new_pos.x = x1;
02123 _thd.new_pos.y = y1;
02124 _thd.new_size.x = x2 - x1;
02125 _thd.new_size.y = y2 - y1;
02126 if (!new_diagonal) {
02127 _thd.new_size.x += TILE_SIZE;
02128 _thd.new_size.y += TILE_SIZE;
02129 }
02130 new_drawstyle = _thd.next_drawstyle;
02131 }
02132 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02133 Point pt = GetTileBelowCursor();
02134 x1 = pt.x;
02135 y1 = pt.y;
02136 if (x1 != -1) {
02137 switch (_thd.place_mode & HT_DRAG_MASK) {
02138 case HT_RECT:
02139 new_drawstyle = HT_RECT;
02140 break;
02141 case HT_POINT:
02142 new_drawstyle = HT_POINT;
02143 x1 += TILE_SIZE / 2;
02144 y1 += TILE_SIZE / 2;
02145 break;
02146 case HT_RAIL:
02147
02148 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02149 break;
02150 case HT_LINE:
02151 switch (_thd.place_mode & HT_DIR_MASK) {
02152 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02153 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02154
02155 case HT_DIR_HU:
02156 case HT_DIR_HL:
02157 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02158 break;
02159
02160 case HT_DIR_VL:
02161 case HT_DIR_VR:
02162 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02163 break;
02164
02165 default: NOT_REACHED();
02166 }
02167 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02168 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02169 break;
02170 default:
02171 NOT_REACHED();
02172 break;
02173 }
02174 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02175 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02176 }
02177 }
02178
02179
02180 if (_thd.drawstyle != new_drawstyle ||
02181 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02182 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02183 _thd.outersize.x != _thd.new_outersize.x ||
02184 _thd.outersize.y != _thd.new_outersize.y ||
02185 _thd.diagonal != new_diagonal) {
02186
02187 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02188
02189 _thd.drawstyle = new_drawstyle;
02190 _thd.pos = _thd.new_pos;
02191 _thd.size = _thd.new_size;
02192 _thd.outersize = _thd.new_outersize;
02193 _thd.diagonal = new_diagonal;
02194 _thd.dirty = 0xff;
02195
02196
02197 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02198 }
02199 }
02200
02208 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02209 {
02210 if (!_settings_client.gui.measure_tooltip) return;
02211 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02212 }
02213
02215 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02216 {
02217 _thd.select_method = method;
02218 _thd.select_proc = process;
02219 _thd.selend.x = TileX(tile) * TILE_SIZE;
02220 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02221 _thd.selend.y = TileY(tile) * TILE_SIZE;
02222 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02223
02224
02225
02226
02227 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02228 _thd.selend.x += TILE_SIZE / 2;
02229 _thd.selend.y += TILE_SIZE / 2;
02230 _thd.selstart.x += TILE_SIZE / 2;
02231 _thd.selstart.y += TILE_SIZE / 2;
02232 }
02233
02234 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02235 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02236 _thd.place_mode = HT_SPECIAL | others;
02237 _thd.next_drawstyle = HT_RECT | others;
02238 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02239 _thd.place_mode = HT_SPECIAL | others;
02240 _thd.next_drawstyle = _thd.drawstyle | others;
02241 } else {
02242 _thd.place_mode = HT_SPECIAL | others;
02243 _thd.next_drawstyle = HT_POINT | others;
02244 }
02245 _special_mouse_mode = WSM_SIZING;
02246 }
02247
02248 void VpSetPlaceSizingLimit(int limit)
02249 {
02250 _thd.sizelimit = limit;
02251 }
02252
02258 void VpSetPresizeRange(TileIndex from, TileIndex to)
02259 {
02260 uint64 distance = DistanceManhattan(from, to) + 1;
02261
02262 _thd.selend.x = TileX(to) * TILE_SIZE;
02263 _thd.selend.y = TileY(to) * TILE_SIZE;
02264 _thd.selstart.x = TileX(from) * TILE_SIZE;
02265 _thd.selstart.y = TileY(from) * TILE_SIZE;
02266 _thd.next_drawstyle = HT_RECT;
02267
02268
02269 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02270 }
02271
02272 static void VpStartPreSizing()
02273 {
02274 _thd.selend.x = -1;
02275 _special_mouse_mode = WSM_PRESIZE;
02276 }
02277
02282 static HighLightStyle Check2x1AutoRail(int mode)
02283 {
02284 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02285 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02286 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02287 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02288
02289 switch (mode) {
02290 default: NOT_REACHED();
02291 case 0:
02292 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02293 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02294 return HT_DIR_Y;
02295
02296 case 1:
02297 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02298 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02299 return HT_DIR_Y;
02300
02301 case 2:
02302 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02303 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02304 return HT_DIR_X;
02305
02306 case 3:
02307 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02308 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02309 return HT_DIR_X;
02310 }
02311 }
02312
02326 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02327 {
02328 uint start_x = TileX(start_tile);
02329 uint start_y = TileY(start_tile);
02330 uint end_x = TileX(end_tile);
02331 uint end_y = TileY(end_tile);
02332
02333 switch (style & HT_DRAG_MASK) {
02334 case HT_RAIL:
02335 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02336
02337 case HT_RECT:
02338 case HT_POINT: return (end_x != start_x && end_y < start_y);
02339 default: NOT_REACHED();
02340 }
02341
02342 return false;
02343 }
02344
02360 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02361 {
02362 bool swap = SwapDirection(style, start_tile, end_tile);
02363 uint h0, h1;
02364
02365 if (start_tile == end_tile) return 0;
02366 if (swap) Swap(start_tile, end_tile);
02367
02368 switch (style & HT_DRAG_MASK) {
02369 case HT_RECT: {
02370 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02371 {1, 0}, {0, 0},
02372 {0, 1}, {1, 1}
02373 };
02374
02375
02376
02377 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02378 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02379 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02380
02381 }
02382
02383 case HT_POINT:
02384 h0 = TileHeight(start_tile);
02385 h1 = TileHeight(end_tile);
02386 break;
02387 default: {
02388 static const HighLightStyle flip_style_direction[] = {
02389 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02390 };
02391 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02392 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02393 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02394 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02395
02396 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02397 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02398 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02399 };
02400
02401 distance %= 2;
02402 style &= HT_DIR_MASK;
02403
02404
02405
02406
02407
02408 if (swap && distance == 0) style = flip_style_direction[style];
02409
02410
02411 byte style_t = style * 2;
02412 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02413 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02414 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02415 h0 = max(h0, ht);
02416
02417
02418
02419 if (distance == 0) style_t = flip_style_direction[style] * 2;
02420 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02421 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02422 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02423 h1 = max(h1, ht);
02424 break;
02425 }
02426 }
02427
02428 if (swap) Swap(h0, h1);
02429 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02430 }
02431
02432 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02433
02440 static void CheckUnderflow(int &test, int &other, int mult)
02441 {
02442 if (test >= 0) return;
02443
02444 other += mult * test;
02445 test = 0;
02446 }
02447
02455 static void CheckOverflow(int &test, int &other, int max, int mult)
02456 {
02457 if (test <= max) return;
02458
02459 other += mult * (test - max);
02460 test = max;
02461 }
02462
02464 static void CalcRaildirsDrawstyle(int x, int y, int method)
02465 {
02466 HighLightStyle b;
02467
02468 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02469 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02470 uint w = abs(dx) + TILE_SIZE;
02471 uint h = abs(dy) + TILE_SIZE;
02472
02473 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02474
02475 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02476 int raw_dx = _thd.selstart.x - _thd.selend.x;
02477 int raw_dy = _thd.selstart.y - _thd.selend.y;
02478 switch (method) {
02479 case VPM_FIX_X:
02480 b = HT_LINE | HT_DIR_Y;
02481 x = _thd.selstart.x;
02482 break;
02483
02484 case VPM_FIX_Y:
02485 b = HT_LINE | HT_DIR_X;
02486 y = _thd.selstart.y;
02487 break;
02488
02489 case VPM_FIX_HORIZONTAL:
02490 if (dx == -dy) {
02491
02492
02493 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02494 } else {
02495
02496
02497 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02498
02499
02500
02501
02502 int offset = (raw_dx - raw_dy) / 2;
02503 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02504 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02505
02506
02507 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02508 if (dx + dy >= (int)TILE_SIZE) {
02509 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02510 } else {
02511 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02512 }
02513 }
02514
02515
02516 CheckUnderflow(x, y, 1);
02517 CheckUnderflow(y, x, 1);
02518 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02519 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02520 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02521 }
02522 break;
02523
02524 case VPM_FIX_VERTICAL:
02525 if (dx == dy) {
02526
02527
02528 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02529 } else {
02530
02531
02532 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02533
02534
02535
02536
02537 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02538 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02539 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02540
02541
02542 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02543 if (dx - dy < 0) {
02544 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02545 } else {
02546 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02547 }
02548 }
02549
02550
02551 CheckUnderflow(x, y, -1);
02552 CheckUnderflow(y, x, -1);
02553 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02554 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02555 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02556 }
02557 break;
02558
02559 default:
02560 NOT_REACHED();
02561 }
02562 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02563 if (method & VPM_RAILDIRS) {
02564 b = GetAutorailHT(x, y);
02565 } else {
02566 b = HT_RECT;
02567 }
02568 } else if (h == TILE_SIZE) {
02569 if (dx == (int)TILE_SIZE) {
02570 b = (Check2x1AutoRail(3)) | HT_LINE;
02571 } else if (dx == -(int)TILE_SIZE) {
02572 b = (Check2x1AutoRail(2)) | HT_LINE;
02573 } else {
02574 b = HT_LINE | HT_DIR_X;
02575 }
02576 y = _thd.selstart.y;
02577 } else if (w == TILE_SIZE) {
02578 if (dy == (int)TILE_SIZE) {
02579 b = (Check2x1AutoRail(1)) | HT_LINE;
02580 } else if (dy == -(int)TILE_SIZE) {
02581 b = (Check2x1AutoRail(0)) | HT_LINE;
02582 } else {
02583 b = HT_LINE | HT_DIR_Y;
02584 }
02585 x = _thd.selstart.x;
02586 } else if (w > h * 2) {
02587 b = HT_LINE | HT_DIR_X;
02588 y = _thd.selstart.y;
02589 } else if (h > w * 2) {
02590 b = HT_LINE | HT_DIR_Y;
02591 x = _thd.selstart.x;
02592 } else {
02593 int d = w - h;
02594 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
02595 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
02596
02597
02598 if (x > _thd.selstart.x) {
02599 if (y > _thd.selstart.y) {
02600
02601 if (d == 0) {
02602 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02603 } else if (d >= 0) {
02604 x = _thd.selstart.x + h;
02605 b = HT_LINE | HT_DIR_VL;
02606 } else {
02607 y = _thd.selstart.y + w;
02608 b = HT_LINE | HT_DIR_VR;
02609 }
02610 } else {
02611
02612 if (d == 0) {
02613 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02614 } else if (d >= 0) {
02615 x = _thd.selstart.x + h;
02616 b = HT_LINE | HT_DIR_HL;
02617 } else {
02618 y = _thd.selstart.y - w;
02619 b = HT_LINE | HT_DIR_HU;
02620 }
02621 }
02622 } else {
02623 if (y > _thd.selstart.y) {
02624
02625 if (d == 0) {
02626 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02627 } else if (d >= 0) {
02628 x = _thd.selstart.x - h;
02629 b = HT_LINE | HT_DIR_HU;
02630 } else {
02631 y = _thd.selstart.y + w;
02632 b = HT_LINE | HT_DIR_HL;
02633 }
02634 } else {
02635
02636 if (d == 0) {
02637 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02638 } else if (d >= 0) {
02639 x = _thd.selstart.x - h;
02640 b = HT_LINE | HT_DIR_VR;
02641 } else {
02642 y = _thd.selstart.y - w;
02643 b = HT_LINE | HT_DIR_VL;
02644 }
02645 }
02646 }
02647 }
02648
02649 if (_settings_client.gui.measure_tooltip) {
02650 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02651 TileIndex t1 = TileVirtXY(x, y);
02652 uint distance = DistanceManhattan(t0, t1) + 1;
02653 byte index = 0;
02654 uint64 params[2];
02655
02656 if (distance != 1) {
02657 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02658
02659
02660
02661 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02662 distance = CeilDiv(distance, 2);
02663 }
02664
02665 params[index++] = distance;
02666 if (heightdiff != 0) params[index++] = heightdiff;
02667 }
02668
02669 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02670 }
02671
02672 _thd.selend.x = x;
02673 _thd.selend.y = y;
02674 _thd.next_drawstyle = b;
02675 }
02676
02684 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02685 {
02686 int sx, sy;
02687 HighLightStyle style;
02688
02689 if (x == -1) {
02690 _thd.selend.x = -1;
02691 return;
02692 }
02693
02694
02695 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02696 _thd.selend.x = x;
02697 _thd.selend.y = y;
02698 CalcRaildirsDrawstyle(x, y, method);
02699 return;
02700 }
02701
02702
02703 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02704 x += TILE_SIZE / 2;
02705 y += TILE_SIZE / 2;
02706 }
02707
02708 sx = _thd.selstart.x;
02709 sy = _thd.selstart.y;
02710
02711 int limit = 0;
02712
02713 switch (method) {
02714 case VPM_X_OR_Y:
02715 if (abs(sy - y) < abs(sx - x)) {
02716 y = sy;
02717 style = HT_DIR_X;
02718 } else {
02719 x = sx;
02720 style = HT_DIR_Y;
02721 }
02722 goto calc_heightdiff_single_direction;
02723
02724 case VPM_X_LIMITED:
02725 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02726
02727
02728 case VPM_FIX_X:
02729 x = sx;
02730 style = HT_DIR_Y;
02731 goto calc_heightdiff_single_direction;
02732
02733 case VPM_Y_LIMITED:
02734 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02735
02736
02737 case VPM_FIX_Y:
02738 y = sy;
02739 style = HT_DIR_X;
02740
02741 calc_heightdiff_single_direction:;
02742 if (limit > 0) {
02743 x = sx + Clamp(x - sx, -limit, limit);
02744 y = sy + Clamp(y - sy, -limit, limit);
02745 }
02746 if (_settings_client.gui.measure_tooltip) {
02747 TileIndex t0 = TileVirtXY(sx, sy);
02748 TileIndex t1 = TileVirtXY(x, y);
02749 uint distance = DistanceManhattan(t0, t1) + 1;
02750 byte index = 0;
02751 uint64 params[2];
02752
02753 if (distance != 1) {
02754
02755
02756
02757
02758
02759 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02760
02761 params[index++] = distance;
02762 if (heightdiff != 0) params[index++] = heightdiff;
02763 }
02764
02765 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02766 }
02767 break;
02768
02769 case VPM_X_AND_Y_LIMITED:
02770 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02771 x = sx + Clamp(x - sx, -limit, limit);
02772 y = sy + Clamp(y - sy, -limit, limit);
02773
02774
02775 case VPM_X_AND_Y:
02776 if (_settings_client.gui.measure_tooltip) {
02777 static const StringID measure_strings_area[] = {
02778 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02779 };
02780
02781 TileIndex t0 = TileVirtXY(sx, sy);
02782 TileIndex t1 = TileVirtXY(x, y);
02783 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02784 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02785 byte index = 0;
02786 uint64 params[3];
02787
02788
02789
02790 style = (HighLightStyle)_thd.next_drawstyle;
02791 if (_thd.IsDraggingDiagonal()) {
02792
02793
02794
02795
02796
02797
02798
02799
02800
02801
02802 int dist_x = TileX(t0) - TileX(t1);
02803 int dist_y = TileY(t0) - TileY(t1);
02804 int a_max = dist_x + dist_y;
02805 int b_max = dist_y - dist_x;
02806
02807
02808
02809 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02810 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02811
02812
02813
02814
02815
02816 if (a_max != 1 || b_max != 1) {
02817 dx = a_max;
02818 dy = b_max;
02819 }
02820 } else if (style & HT_RECT) {
02821 if (dx == 1) {
02822 style = HT_LINE | HT_DIR_Y;
02823 } else if (dy == 1) {
02824 style = HT_LINE | HT_DIR_X;
02825 }
02826 }
02827
02828 if (dx != 1 || dy != 1) {
02829 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02830
02831 params[index++] = dx - (style & HT_POINT ? 1 : 0);
02832 params[index++] = dy - (style & HT_POINT ? 1 : 0);
02833 if (heightdiff != 0) params[index++] = heightdiff;
02834 }
02835
02836 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02837 }
02838 break;
02839
02840 default: NOT_REACHED();
02841 }
02842
02843 _thd.selend.x = x;
02844 _thd.selend.y = y;
02845 }
02846
02851 EventState VpHandlePlaceSizingDrag()
02852 {
02853 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02854
02855
02856 Window *w = _thd.GetCallbackWnd();
02857 if (w == NULL) {
02858 ResetObjectToPlace();
02859 return ES_HANDLED;
02860 }
02861
02862
02863 if (_left_button_down) {
02864 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02865 return ES_HANDLED;
02866 }
02867
02868
02869
02870 _special_mouse_mode = WSM_NONE;
02871 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02872 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02873 _thd.place_mode = HT_RECT | others;
02874 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02875 _thd.place_mode = HT_RECT | others;
02876 } else if (_thd.select_method & VPM_RAILDIRS) {
02877 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02878 } else {
02879 _thd.place_mode = HT_POINT | others;
02880 }
02881 SetTileSelectSize(1, 1);
02882
02883 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02884
02885 return ES_HANDLED;
02886 }
02887
02888 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02889 {
02890 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02891 }
02892
02893 #include "table/animcursors.h"
02894
02895 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02896 {
02897 if (_thd.window_class != WC_INVALID) {
02898
02899 Window *w = _thd.GetCallbackWnd();
02900
02901
02902
02903
02904
02905 _thd.window_class = WC_INVALID;
02906 if (w != NULL) w->OnPlaceObjectAbort();
02907 }
02908
02909
02910 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02911
02912 SetTileSelectSize(1, 1);
02913
02914 _thd.make_square_red = false;
02915
02916 if (mode == HT_DRAG) {
02917 mode = HT_NONE;
02918 _special_mouse_mode = WSM_DRAGDROP;
02919 } else {
02920 _special_mouse_mode = WSM_NONE;
02921 }
02922
02923 _thd.place_mode = mode;
02924 _thd.window_class = window_class;
02925 _thd.window_number = window_num;
02926
02927 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
02928 VpStartPreSizing();
02929 }
02930
02931 if ((icon & ANIMCURSOR_FLAG) != 0) {
02932 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02933 } else {
02934 SetMouseCursor(icon, pal);
02935 }
02936
02937 }
02938
02939 void ResetObjectToPlace()
02940 {
02941 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02942 }