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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 "linkgraph_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 = static_cast<ZoomLevel>(Clamp(zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
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 & 0xFFFFF);
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, GetSlopePixelZ(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 vp->overlay = NULL;
00218
00219 w->viewport = vp;
00220 vp->virtual_left = 0;
00221 vp->virtual_top = 0;
00222 }
00223
00224 static Point _vp_move_offs;
00225
00226 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00227 {
00228 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00229 if (left + width > w->left &&
00230 w->left + w->width > left &&
00231 top + height > w->top &&
00232 w->top + w->height > top) {
00233
00234 if (left < w->left) {
00235 DoSetViewportPosition(w, left, top, w->left - left, height);
00236 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00237 return;
00238 }
00239
00240 if (left + width > w->left + w->width) {
00241 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00242 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00243 return;
00244 }
00245
00246 if (top < w->top) {
00247 DoSetViewportPosition(w, left, top, width, (w->top - top));
00248 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00249 return;
00250 }
00251
00252 if (top + height > w->top + w->height) {
00253 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00254 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00255 return;
00256 }
00257
00258 return;
00259 }
00260 }
00261
00262 {
00263 int xo = _vp_move_offs.x;
00264 int yo = _vp_move_offs.y;
00265
00266 if (abs(xo) >= width || abs(yo) >= height) {
00267
00268 RedrawScreenRect(left, top, left + width, top + height);
00269 return;
00270 }
00271
00272 GfxScroll(left, top, width, height, xo, yo);
00273
00274 if (xo > 0) {
00275 RedrawScreenRect(left, top, xo + left, top + height);
00276 left += xo;
00277 width -= xo;
00278 } else if (xo < 0) {
00279 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00280 width += xo;
00281 }
00282
00283 if (yo > 0) {
00284 RedrawScreenRect(left, top, width + left, top + yo);
00285 } else if (yo < 0) {
00286 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00287 }
00288 }
00289 }
00290
00291 static void SetViewportPosition(Window *w, int x, int y)
00292 {
00293 ViewPort *vp = w->viewport;
00294 int old_left = vp->virtual_left;
00295 int old_top = vp->virtual_top;
00296 int i;
00297 int left, top, width, height;
00298
00299 vp->virtual_left = x;
00300 vp->virtual_top = y;
00301
00302
00303
00304
00305 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00306 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00307 x = UnScaleByZoomLower(x, vp->zoom);
00308 y = UnScaleByZoomLower(y, vp->zoom);
00309
00310 old_left -= x;
00311 old_top -= y;
00312
00313 if (old_top == 0 && old_left == 0) return;
00314
00315 _vp_move_offs.x = old_left;
00316 _vp_move_offs.y = old_top;
00317
00318 left = vp->left;
00319 top = vp->top;
00320 width = vp->width;
00321 height = vp->height;
00322
00323 if (left < 0) {
00324 width += left;
00325 left = 0;
00326 }
00327
00328 i = left + width - _screen.width;
00329 if (i >= 0) width -= i;
00330
00331 if (width > 0) {
00332 if (top < 0) {
00333 height += top;
00334 top = 0;
00335 }
00336
00337 i = top + height - _screen.height;
00338 if (i >= 0) height -= i;
00339
00340 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00341 }
00342 }
00343
00352 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00353 {
00354 ViewPort *vp = w->viewport;
00355
00356 if (vp != NULL &&
00357 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00358 IsInsideMM(y, vp->top, vp->top + vp->height))
00359 return vp;
00360
00361 return NULL;
00362 }
00363
00371 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00372 {
00373 Point pt;
00374 int a, b;
00375 int z;
00376
00377 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00378 (uint)(y -= vp->top) >= (uint)vp->height) {
00379 Point pt = {-1, -1};
00380 return pt;
00381 }
00382
00383 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> (2 + ZOOM_LVL_SHIFT);
00384 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> (1 + ZOOM_LVL_SHIFT);
00385
00386 a = y - x;
00387 b = y + x;
00388
00389
00390
00391
00392 a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00393 b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00394
00395
00396
00397
00398
00399
00400
00401
00402 z = 0;
00403
00404 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00405
00406 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;
00407 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;
00408 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;
00409
00410 pt.x = Clamp(a + z, min_coord, MapMaxX() * TILE_SIZE - 1);
00411 pt.y = Clamp(b + z, min_coord, MapMaxY() * TILE_SIZE - 1);
00412
00413 return pt;
00414 }
00415
00416
00417
00418
00419 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00420 {
00421 Window *w;
00422 ViewPort *vp;
00423 Point pt;
00424
00425 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00426 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00427 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00428
00429 pt.y = pt.x = -1;
00430 return pt;
00431 }
00432
00433 Point GetTileBelowCursor()
00434 {
00435 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00436 }
00437
00438
00439 Point GetTileZoomCenterWindow(bool in, Window * w)
00440 {
00441 int x, y;
00442 ViewPort *vp = w->viewport;
00443
00444 if (in) {
00445 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00446 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00447 } else {
00448 x = vp->width - (_cursor.pos.x - vp->left);
00449 y = vp->height - (_cursor.pos.y - vp->top);
00450 }
00451
00452 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00453 }
00454
00463 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00464 {
00465 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom <= _settings_client.gui.zoom_min);
00466 w->SetWidgetDirty(widget_zoom_in);
00467
00468 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom >= _settings_client.gui.zoom_max);
00469 w->SetWidgetDirty(widget_zoom_out);
00470 }
00471
00484 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)
00485 {
00486 assert((image & SPRITE_MASK) < MAX_SPRITES);
00487
00488 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00489 ts->image = image;
00490 ts->pal = pal;
00491 ts->sub = sub;
00492 Point pt = RemapCoords(x, y, z);
00493 ts->x = pt.x + extra_offs_x;
00494 ts->y = pt.y + extra_offs_y;
00495 }
00496
00509 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00510 {
00511 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00512 assert(_vd.foundation[foundation_part] != -1);
00513 Point offs = _vd.foundation_offset[foundation_part];
00514
00515
00516 int *old_child = _vd.last_child;
00517 _vd.last_child = _vd.last_foundation_child[foundation_part];
00518
00519 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub, false);
00520
00521
00522 _vd.last_child = old_child;
00523 }
00524
00538 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00539 {
00540
00541 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00542
00543 if (_vd.foundation[_vd.foundation_part] != -1) {
00544 Point pt = RemapCoords(x, y, z);
00545 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x * ZOOM_LVL_BASE, pt.y + extra_offs_y * ZOOM_LVL_BASE);
00546 } else {
00547 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);
00548 }
00549 }
00550
00561 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00562 {
00563 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00564 }
00565
00573 void OffsetGroundSprite(int x, int y)
00574 {
00575
00576 switch (_vd.foundation_part) {
00577 case FOUNDATION_PART_NONE:
00578 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00579 break;
00580 case FOUNDATION_PART_NORMAL:
00581 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00582 break;
00583 default: NOT_REACHED();
00584 }
00585
00586
00587 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00588
00589 _vd.foundation_offset[_vd.foundation_part].x = x * ZOOM_LVL_BASE;
00590 _vd.foundation_offset[_vd.foundation_part].y = y * ZOOM_LVL_BASE;
00591 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00592 }
00593
00605 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, int z, const SubSprite *sub)
00606 {
00607 Point pt = RemapCoords(x, y, z);
00608 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00609
00610 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00611 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00612 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00613 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00614 return;
00615
00616 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00617 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub, false);
00618 }
00619
00645 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)
00646 {
00647 int32 left, right, top, bottom;
00648
00649 assert((image & SPRITE_MASK) < MAX_SPRITES);
00650
00651
00652 if (transparent) {
00653 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00654 pal = PALETTE_TO_TRANSPARENT;
00655 }
00656
00657 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00658 AddCombinedSprite(image, pal, x, y, z, sub);
00659 return;
00660 }
00661
00662 _vd.last_child = NULL;
00663
00664 Point pt = RemapCoords(x, y, z);
00665 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00666
00667
00668 if (image == SPR_EMPTY_BOUNDING_BOX) {
00669 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00670 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00671 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00672 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00673 } else {
00674 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00675 left = tmp_left = (pt.x += spr->x_offs);
00676 right = (pt.x + spr->width );
00677 top = tmp_top = (pt.y += spr->y_offs);
00678 bottom = (pt.y + spr->height);
00679 }
00680
00681 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00682
00683 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00684 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00685 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00686 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00687 }
00688
00689
00690 if (left >= _vd.dpi.left + _vd.dpi.width ||
00691 right <= _vd.dpi.left ||
00692 top >= _vd.dpi.top + _vd.dpi.height ||
00693 bottom <= _vd.dpi.top) {
00694 return;
00695 }
00696
00697 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00698 ps->x = tmp_x;
00699 ps->y = tmp_y;
00700
00701 ps->left = tmp_left;
00702 ps->top = tmp_top;
00703
00704 ps->image = image;
00705 ps->pal = pal;
00706 ps->sub = sub;
00707 ps->xmin = x + bb_offset_x;
00708 ps->xmax = x + max(bb_offset_x, w) - 1;
00709
00710 ps->ymin = y + bb_offset_y;
00711 ps->ymax = y + max(bb_offset_y, h) - 1;
00712
00713 ps->zmin = z + bb_offset_z;
00714 ps->zmax = z + max(bb_offset_z, dz) - 1;
00715
00716 ps->comparison_done = false;
00717 ps->first_child = -1;
00718
00719 _vd.last_child = &ps->first_child;
00720
00721 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00722 }
00723
00742 void StartSpriteCombine()
00743 {
00744 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00745 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00746 }
00747
00752 void EndSpriteCombine()
00753 {
00754 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00755 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00756 }
00757
00767 static bool IsInRangeInclusive(int begin, int end, int check)
00768 {
00769 if (begin > end) Swap(begin, end);
00770 return begin <= check && check <= end;
00771 }
00772
00779 bool IsInsideRotatedRectangle(int x, int y)
00780 {
00781 int dist_a = (_thd.size.x + _thd.size.y);
00782 int dist_b = (_thd.size.x - _thd.size.y);
00783 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00784 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00785
00786
00787 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00788 }
00789
00800 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub, bool scale)
00801 {
00802 assert((image & SPRITE_MASK) < MAX_SPRITES);
00803
00804
00805 if (_vd.last_child == NULL) return;
00806
00807
00808 if (transparent) {
00809 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00810 pal = PALETTE_TO_TRANSPARENT;
00811 }
00812
00813 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00814
00815 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00816 cs->image = image;
00817 cs->pal = pal;
00818 cs->sub = sub;
00819 cs->x = scale ? x * ZOOM_LVL_BASE : x;
00820 cs->y = scale ? y * ZOOM_LVL_BASE : y;
00821 cs->next = -1;
00822
00823
00824
00825
00826 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00827 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00828 _vd.last_child = &cs->next;
00829 }
00830
00831 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00832 {
00833 assert(width != 0);
00834 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00835 ss->string = string;
00836 ss->x = x;
00837 ss->y = y;
00838 ss->params[0] = params_1;
00839 ss->params[1] = params_2;
00840 ss->width = width;
00841 ss->colour = colour;
00842 }
00843
00844
00856 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00857 {
00858
00859 if (_vd.foundation[foundation_part] == -1) {
00860
00861 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00862 } else {
00863
00864 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset * ZOOM_LVL_BASE);
00865 }
00866 }
00867
00874 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00875 {
00876 if (!IsValidTile(ti->tile)) return;
00877
00878 SpriteID sel;
00879 if (IsHalftileSlope(ti->tileh)) {
00880 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00881 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00882 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00883
00884 Corner opposite_corner = OppositeCorner(halftile_corner);
00885 if (IsSteepSlope(ti->tileh)) {
00886 sel = SPR_HALFTILE_SELECTION_DOWN;
00887 } else {
00888 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00889 }
00890 sel += opposite_corner;
00891 } else {
00892 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00893 }
00894 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00895 }
00896
00897 static bool IsPartOfAutoLine(int px, int py)
00898 {
00899 px -= _thd.selstart.x;
00900 py -= _thd.selstart.y;
00901
00902 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_LINE) return false;
00903
00904 switch (_thd.drawstyle & HT_DIR_MASK) {
00905 case HT_DIR_X: return py == 0;
00906 case HT_DIR_Y: return px == 0;
00907 case HT_DIR_HU: return px == -py || px == -py - 16;
00908 case HT_DIR_HL: return px == -py || px == -py + 16;
00909 case HT_DIR_VL: return px == py || px == py + 16;
00910 case HT_DIR_VR: return px == py || px == py - 16;
00911 default:
00912 NOT_REACHED();
00913 }
00914 }
00915
00916
00917 static const HighLightStyle _autorail_type[6][2] = {
00918 { HT_DIR_X, HT_DIR_X },
00919 { HT_DIR_Y, HT_DIR_Y },
00920 { HT_DIR_HU, HT_DIR_HL },
00921 { HT_DIR_HL, HT_DIR_HU },
00922 { HT_DIR_VL, HT_DIR_VR },
00923 { HT_DIR_VR, HT_DIR_VL }
00924 };
00925
00926 #include "table/autorail.h"
00927
00934 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00935 {
00936 SpriteID image;
00937 PaletteID pal;
00938 int offset;
00939
00940 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00941 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00942 if (IsHalftileSlope(ti->tileh)) {
00943 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00944 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00945 if (autorail_type != _lower_rail[halftile_corner]) {
00946 foundation_part = FOUNDATION_PART_HALFTILE;
00947
00948 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00949 }
00950 }
00951
00952 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00953 if (offset >= 0) {
00954 image = SPR_AUTORAIL_BASE + offset;
00955 pal = PAL_NONE;
00956 } else {
00957 image = SPR_AUTORAIL_BASE - offset;
00958 pal = PALETTE_SEL_TILE_RED;
00959 }
00960
00961 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00962 }
00963
00968 static void DrawTileSelection(const TileInfo *ti)
00969 {
00970
00971 bool is_redsq = _thd.redsq == ti->tile;
00972 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00973
00974
00975 if ((_thd.drawstyle & HT_DRAG_MASK) == HT_NONE) return;
00976
00977 if (_thd.diagonal) {
00978 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) goto draw_inner;
00979 return;
00980 }
00981
00982
00983 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00984 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00985 draw_inner:
00986 if (_thd.drawstyle & HT_RECT) {
00987 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00988 } else if (_thd.drawstyle & HT_POINT) {
00989
00990 int z = 0;
00991 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00992 if (ti->tileh & SLOPE_N) {
00993 z += TILE_HEIGHT;
00994 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00995 }
00996 if (IsHalftileSlope(ti->tileh)) {
00997 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00998 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
00999 if (halftile_corner != CORNER_S) {
01000 foundation_part = FOUNDATION_PART_HALFTILE;
01001 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
01002 }
01003 }
01004 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01005 } else if (_thd.drawstyle & HT_RAIL) {
01006
01007 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01008 assert(type < HT_DIR_END);
01009 DrawAutorailSelection(ti, _autorail_type[type][0]);
01010 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01011
01012 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01013 uint side;
01014
01015 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01016 side = 0;
01017 } else {
01018 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01019 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01020 }
01021
01022 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01023 }
01024 return;
01025 }
01026
01027
01028 if (!is_redsq && _thd.outersize.x > 0 &&
01029 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01030 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01031
01032 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01033 return;
01034 }
01035 }
01036
01037 static void ViewportAddLandscape()
01038 {
01039 int x, y, width, height;
01040 TileInfo ti;
01041 bool direction;
01042
01043 _cur_ti = &ti;
01044
01045
01046 x = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) - (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT))) & ~TILE_UNIT_MASK;
01047 y = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) + (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT)) - TILE_SIZE) & ~TILE_UNIT_MASK;
01048
01049
01050 {
01051 Point pt = RemapCoords(x, y, 241);
01052 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 95 * ZOOM_LVL_BASE) >> (6 + ZOOM_LVL_SHIFT);
01053 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> (5 + ZOOM_LVL_SHIFT) << 1;
01054 }
01055
01056 assert(width > 0);
01057 assert(height > 0);
01058
01059 direction = false;
01060
01061 do {
01062 int width_cur = width;
01063 uint x_cur = x;
01064 uint y_cur = y;
01065
01066 do {
01067 TileType tt = MP_VOID;
01068
01069 ti.x = x_cur;
01070 ti.y = y_cur;
01071
01072 ti.z = 0;
01073
01074 ti.tileh = SLOPE_FLAT;
01075 ti.tile = INVALID_TILE;
01076
01077 if (x_cur < MapMaxX() * TILE_SIZE &&
01078 y_cur < MapMaxY() * TILE_SIZE) {
01079 TileIndex tile = TileVirtXY(x_cur, y_cur);
01080
01081 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01082 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01083 uint maxh = max<uint>(TileHeight(tile), 1);
01084 for (uint h = 0; h < maxh; h++) {
01085 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01086 }
01087 }
01088
01089 ti.tile = tile;
01090 ti.tileh = GetTilePixelSlope(tile, &ti.z);
01091 tt = GetTileType(tile);
01092 }
01093 }
01094
01095 _vd.foundation_part = FOUNDATION_PART_NONE;
01096 _vd.foundation[0] = -1;
01097 _vd.foundation[1] = -1;
01098 _vd.last_foundation_child[0] = NULL;
01099 _vd.last_foundation_child[1] = NULL;
01100
01101 _tile_type_procs[tt]->draw_tile_proc(&ti);
01102
01103 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01104 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01105 TileIndex tile = TileVirtXY(x_cur, y_cur);
01106 ti.tile = tile;
01107 ti.tileh = GetTilePixelSlope(tile, &ti.z);
01108 tt = GetTileType(tile);
01109 }
01110 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01111
01112 y_cur += 0x10;
01113 x_cur -= 0x10;
01114 } while (--width_cur);
01115
01116 if ((direction ^= 1) != 0) {
01117 y += 0x10;
01118 } else {
01119 x += 0x10;
01120 }
01121 } while (--height);
01122 }
01123
01134 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)
01135 {
01136 bool small = dpi->zoom >= small_from;
01137
01138 int left = dpi->left;
01139 int top = dpi->top;
01140 int right = left + dpi->width;
01141 int bottom = top + dpi->height;
01142
01143 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01144 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01145
01146 if (bottom < sign->top ||
01147 top > sign->top + sign_height ||
01148 right < sign->center - sign_half_width ||
01149 left > sign->center + sign_half_width) {
01150 return;
01151 }
01152
01153 if (!small) {
01154 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01155 } else {
01156 int shadow_offset = 0;
01157 if (string_small_shadow != STR_NULL) {
01158 shadow_offset = 4;
01159 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01160 }
01161 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01162 colour, sign->width_small | 0x8000);
01163 }
01164 }
01165
01166 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01167 {
01168 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01169
01170 const Town *t;
01171 FOR_ALL_TOWNS(t) {
01172 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &t->sign,
01173 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01174 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01175 t->index, t->population);
01176 }
01177 }
01178
01179
01180 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01181 {
01182 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01183
01184 const BaseStation *st;
01185 FOR_ALL_BASE_STATIONS(st) {
01186
01187 bool is_station = Station::IsExpected(st);
01188
01189
01190 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01191
01192
01193 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01194
01195 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &st->sign,
01196 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01197 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01198 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01199 }
01200 }
01201
01202
01203 static void ViewportAddSigns(DrawPixelInfo *dpi)
01204 {
01205
01206 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01207
01208 const Sign *si;
01209 FOR_ALL_SIGNS(si) {
01210
01211
01212
01213 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner) continue;
01214
01215 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &si->sign,
01216 STR_WHITE_SIGN,
01217 IsTransparencySet(TO_SIGNS) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01218 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : _company_colours[si->owner]);
01219 }
01220 }
01221
01228 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01229 {
01230 if (this->width_normal != 0) this->MarkDirty();
01231
01232 this->top = top;
01233
01234 char buffer[DRAW_STRING_BUFFER];
01235
01236 GetString(buffer, str, lastof(buffer));
01237 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01238 this->center = center;
01239
01240
01241 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01242
01243 this->MarkDirty();
01244 }
01245
01251 void ViewportSign::MarkDirty() const
01252 {
01253
01254
01255
01256
01257 MarkAllViewportsDirty(
01258 this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01259 this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
01260 this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01261 this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
01262 }
01263
01264 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01265 {
01266 const TileSpriteToDraw *tsend = tstdv->End();
01267 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01268 DrawSpriteViewport(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01269 }
01270 }
01271
01273 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01274 {
01275 ParentSpriteToDraw **psdvend = psdv->End();
01276 ParentSpriteToDraw **psd = psdv->Begin();
01277 while (psd != psdvend) {
01278 ParentSpriteToDraw *ps = *psd;
01279
01280 if (ps->comparison_done) {
01281 psd++;
01282 continue;
01283 }
01284
01285 ps->comparison_done = true;
01286
01287 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01288 ParentSpriteToDraw *ps2 = *psd2;
01289
01290 if (ps2->comparison_done) continue;
01291
01292
01293
01294
01295 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01296 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01297 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01298
01299
01300
01301
01302
01303
01304 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01305 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01306 continue;
01307 }
01308 } else {
01309
01310
01311
01312
01313 if (ps->xmax < ps2->xmin ||
01314 ps->ymax < ps2->ymin ||
01315 ps->zmax < ps2->zmin) {
01316 continue;
01317 }
01318 }
01319
01320
01321 ParentSpriteToDraw *temp = ps2;
01322 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01323 *psd3 = *(psd3 - 1);
01324 }
01325 *psd = temp;
01326 }
01327 }
01328 }
01329
01330 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01331 {
01332 const ParentSpriteToDraw * const *psd_end = psd->End();
01333 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01334 const ParentSpriteToDraw *ps = *it;
01335 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSpriteViewport(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01336
01337 int child_idx = ps->first_child;
01338 while (child_idx >= 0) {
01339 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01340 child_idx = cs->next;
01341 DrawSpriteViewport(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01342 }
01343 }
01344 }
01345
01350 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01351 {
01352 const ParentSpriteToDraw * const *psd_end = psd->End();
01353 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01354 const ParentSpriteToDraw *ps = *it;
01355 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01356 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01357 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01358 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01359
01360 DrawBox( pt1.x, pt1.y,
01361 pt2.x - pt1.x, pt2.y - pt1.y,
01362 pt3.x - pt1.x, pt3.y - pt1.y,
01363 pt4.x - pt1.x, pt4.y - pt1.y);
01364 }
01365 }
01366
01367 static void ViewportDrawStrings(ZoomLevel zoom, const StringSpriteToDrawVector *sstdv)
01368 {
01369 const StringSpriteToDraw *ssend = sstdv->End();
01370 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01371 TextColour colour = TC_BLACK;
01372 bool small = HasBit(ss->width, 15);
01373 int w = GB(ss->width, 0, 15);
01374 int x = UnScaleByZoom(ss->x, zoom);
01375 int y = UnScaleByZoom(ss->y, zoom);
01376 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01377
01378 SetDParam(0, ss->params[0]);
01379 SetDParam(1, ss->params[1]);
01380
01381 if (ss->colour != INVALID_COLOUR) {
01382
01383 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01384
01385
01386
01387 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01388
01389
01390 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01391 }
01392
01393
01394
01395 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01396 DrawFrameRect(
01397 x, y, x + w, y + h, ss->colour,
01398 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01399 );
01400 }
01401 }
01402
01403 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01404 }
01405 }
01406
01407 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01408 {
01409 DrawPixelInfo *old_dpi = _cur_dpi;
01410 _cur_dpi = &_vd.dpi;
01411
01412 _vd.dpi.zoom = vp->zoom;
01413 int mask = ScaleByZoom(-1, vp->zoom);
01414
01415 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01416
01417 _vd.dpi.width = (right - left) & mask;
01418 _vd.dpi.height = (bottom - top) & mask;
01419 _vd.dpi.left = left & mask;
01420 _vd.dpi.top = top & mask;
01421 _vd.dpi.pitch = old_dpi->pitch;
01422 _vd.last_child = NULL;
01423
01424 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01425 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01426
01427 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01428
01429 ViewportAddLandscape();
01430 ViewportAddVehicles(&_vd.dpi);
01431
01432 ViewportAddTownNames(&_vd.dpi);
01433 ViewportAddStationNames(&_vd.dpi);
01434 ViewportAddSigns(&_vd.dpi);
01435
01436 DrawTextEffects(&_vd.dpi);
01437
01438 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01439
01440 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01441 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01442 *_vd.parent_sprites_to_sort.Append() = it;
01443 }
01444
01445 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01446 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01447
01448 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01449
01450 DrawPixelInfo dp = _vd.dpi;
01451 ZoomLevel zoom = _vd.dpi.zoom;
01452 dp.zoom = ZOOM_LVL_NORMAL;
01453 dp.width = UnScaleByZoom(dp.width, zoom);
01454 dp.height = UnScaleByZoom(dp.height, zoom);
01455 _cur_dpi = &dp;
01456
01457
01458 dp.left = x;
01459 dp.top = y;
01460
01461 if (vp->overlay != NULL) vp->overlay->Draw(&dp);
01462
01463
01464 dp.left = UnScaleByZoom(_vd.dpi.left, zoom);
01465 dp.top = UnScaleByZoom(_vd.dpi.top, zoom);
01466
01467 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(zoom, &_vd.string_sprites_to_draw);
01468
01469 _cur_dpi = old_dpi;
01470
01471 _vd.string_sprites_to_draw.Clear();
01472 _vd.tile_sprites_to_draw.Clear();
01473 _vd.parent_sprites_to_draw.Clear();
01474 _vd.parent_sprites_to_sort.Clear();
01475 _vd.child_screen_sprites_to_draw.Clear();
01476 }
01477
01482 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01483 {
01484 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000 * ZOOM_LVL_BASE * ZOOM_LVL_BASE) {
01485 if ((bottom - top) > (right - left)) {
01486 int t = (top + bottom) >> 1;
01487 ViewportDrawChk(vp, left, top, right, t);
01488 ViewportDrawChk(vp, left, t, right, bottom);
01489 } else {
01490 int t = (left + right) >> 1;
01491 ViewportDrawChk(vp, left, top, t, bottom);
01492 ViewportDrawChk(vp, t, top, right, bottom);
01493 }
01494 } else {
01495 ViewportDoDraw(vp,
01496 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01497 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01498 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01499 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01500 );
01501 }
01502 }
01503
01504 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01505 {
01506 if (right <= vp->left || bottom <= vp->top) return;
01507
01508 if (left >= vp->left + vp->width) return;
01509
01510 if (left < vp->left) left = vp->left;
01511 if (right > vp->left + vp->width) right = vp->left + vp->width;
01512
01513 if (top >= vp->top + vp->height) return;
01514
01515 if (top < vp->top) top = vp->top;
01516 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01517
01518 ViewportDrawChk(vp, left, top, right, bottom);
01519 }
01520
01524 void Window::DrawViewport() const
01525 {
01526 DrawPixelInfo *dpi = _cur_dpi;
01527
01528 dpi->left += this->left;
01529 dpi->top += this->top;
01530
01531 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01532
01533 dpi->left -= this->left;
01534 dpi->top -= this->top;
01535 }
01536
01537 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01538 {
01539
01540 x += vp->virtual_width / 2;
01541 y += vp->virtual_height / 2;
01542
01543
01544
01545 int vx = -x + y * 2;
01546 int vy = x + y * 2;
01547
01548
01549 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4 * ZOOM_LVL_BASE);
01550 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4 * ZOOM_LVL_BASE);
01551
01552
01553 x = (-vx + vy) / 2;
01554 y = ( vx + vy) / 4;
01555
01556
01557 x -= vp->virtual_width / 2;
01558 y -= vp->virtual_height / 2;
01559 }
01560
01565 void UpdateViewportPosition(Window *w)
01566 {
01567 const ViewPort *vp = w->viewport;
01568
01569 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01570 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01571 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01572
01573 w->viewport->scrollpos_x = pt.x;
01574 w->viewport->scrollpos_y = pt.y;
01575 SetViewportPosition(w, pt.x, pt.y);
01576 } else {
01577
01578 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01579
01580 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01581 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01582
01583 bool update_overlay = false;
01584 if (delta_x != 0 || delta_y != 0) {
01585 if (_settings_client.gui.smooth_scroll) {
01586 int max_scroll = ScaleByMapSize1D(512 * ZOOM_LVL_BASE);
01587
01588 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01589 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01590 } else {
01591 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01592 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01593 }
01594 update_overlay = (w->viewport->scrollpos_x == w->viewport->dest_scrollpos_x &&
01595 w->viewport->scrollpos_y == w->viewport->dest_scrollpos_y);
01596 }
01597
01598 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01599
01600 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01601 if (update_overlay) RebuildViewportOverlay(w);
01602 }
01603 }
01604
01614 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01615 {
01616 right -= vp->virtual_left;
01617 if (right <= 0) return;
01618
01619 bottom -= vp->virtual_top;
01620 if (bottom <= 0) return;
01621
01622 left = max(0, left - vp->virtual_left);
01623
01624 if (left >= vp->virtual_width) return;
01625
01626 top = max(0, top - vp->virtual_top);
01627
01628 if (top >= vp->virtual_height) return;
01629
01630 SetDirtyBlocks(
01631 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01632 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01633 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01634 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01635 );
01636 }
01637
01646 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01647 {
01648 Window *w;
01649 FOR_ALL_WINDOWS_FROM_BACK(w) {
01650 ViewPort *vp = w->viewport;
01651 if (vp != NULL) {
01652 assert(vp->width != 0);
01653 MarkViewportDirty(vp, left, top, right, bottom);
01654 }
01655 }
01656 }
01657
01658 void ConstrainAllViewportsZoom()
01659 {
01660 Window *w;
01661 FOR_ALL_WINDOWS_FROM_FRONT(w) {
01662 if (w->viewport == NULL) continue;
01663
01664 ZoomLevel zoom = static_cast<ZoomLevel>(Clamp(w->viewport->zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
01665 if (zoom != w->viewport->zoom) {
01666 while (w->viewport->zoom < zoom) DoZoomInOutWindow(ZOOM_OUT, w);
01667 while (w->viewport->zoom > zoom) DoZoomInOutWindow(ZOOM_IN, w);
01668 }
01669 }
01670 }
01671
01677 void MarkTileDirtyByTile(TileIndex tile)
01678 {
01679 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTilePixelZ(tile));
01680 MarkAllViewportsDirty(
01681 pt.x - 31 * ZOOM_LVL_BASE,
01682 pt.y - 122 * ZOOM_LVL_BASE,
01683 pt.x - 31 * ZOOM_LVL_BASE + 67 * ZOOM_LVL_BASE,
01684 pt.y - 122 * ZOOM_LVL_BASE + 154 * ZOOM_LVL_BASE
01685 );
01686 }
01687
01695 static void SetSelectionTilesDirty()
01696 {
01697 int x_size = _thd.size.x;
01698 int y_size = _thd.size.y;
01699
01700 if (!_thd.diagonal) {
01701 int x_start = _thd.pos.x;
01702 int y_start = _thd.pos.y;
01703
01704 if (_thd.outersize.x != 0) {
01705 x_size += _thd.outersize.x;
01706 x_start += _thd.offs.x;
01707 y_size += _thd.outersize.y;
01708 y_start += _thd.offs.y;
01709 }
01710
01711 x_size -= TILE_SIZE;
01712 y_size -= TILE_SIZE;
01713
01714 assert(x_size >= 0);
01715 assert(y_size >= 0);
01716
01717 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01718 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01719
01720 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01721 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01722
01723
01724 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01725
01726
01727
01728
01729
01730
01731
01732
01733
01734
01735
01736
01737
01738
01739
01740
01741
01742
01743
01744 int top_x = x_end;
01745 int top_y = y_start;
01746 int bot_x = top_x;
01747 int bot_y = top_y;
01748
01749 do {
01750
01751 TileIndex top_tile = TileVirtXY(top_x, top_y);
01752 Point top = RemapCoords(top_x, top_y, GetTileMaxPixelZ(top_tile));
01753
01754
01755 TileIndex bottom_tile = TileVirtXY(bot_x, bot_y);
01756 Point bot = RemapCoords(bot_x + TILE_SIZE, bot_y + TILE_SIZE, GetTilePixelZ(bottom_tile));
01757
01758
01759
01760
01761 int l = top.x - (TILE_PIXELS - 2) * ZOOM_LVL_BASE;
01762 int t = top.y;
01763 int r = top.x + (TILE_PIXELS - 2) * ZOOM_LVL_BASE;
01764 int b = bot.y;
01765
01766 static const int OVERLAY_WIDTH = 4 * ZOOM_LVL_BASE;
01767
01768
01769 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT * ZOOM_LVL_BASE, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH * ZOOM_LVL_BASE);
01770
01771
01772 if (top_x != x_start) {
01773 top_x -= TILE_SIZE;
01774 } else {
01775 top_y += TILE_SIZE;
01776 }
01777
01778
01779 if (bot_y != y_end) {
01780 bot_y += TILE_SIZE;
01781 } else {
01782 bot_x -= TILE_SIZE;
01783 }
01784 } while (bot_x >= top_x);
01785 } else {
01786
01787 int a_size = x_size + y_size, b_size = x_size - y_size;
01788
01789 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01790 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01791
01792 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01793 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01794 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01795 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01796
01797 if (x < MapMaxX() && y < MapMaxY()) {
01798 MarkTileDirtyByTile(TileXY(x, y));
01799 }
01800 }
01801 }
01802 }
01803 }
01804
01805
01806 void SetSelectionRed(bool b)
01807 {
01808 _thd.make_square_red = b;
01809 SetSelectionTilesDirty();
01810 }
01811
01820 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01821 {
01822 bool small = (vp->zoom >= ZOOM_LVL_OUT_16X);
01823 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01824 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01825
01826 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01827 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01828
01829 return y >= sign->top && y < sign->top + sign_height &&
01830 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01831 }
01832
01833 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01834 {
01835 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01836
01837 const Town *t;
01838 FOR_ALL_TOWNS(t) {
01839 if (CheckClickOnViewportSign(vp, x, y, &t->sign)) {
01840 ShowTownViewWindow(t->index);
01841 return true;
01842 }
01843 }
01844
01845 return false;
01846 }
01847
01848 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01849 {
01850 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01851
01852 const BaseStation *st;
01853 FOR_ALL_BASE_STATIONS(st) {
01854
01855 bool is_station = Station::IsExpected(st);
01856
01857
01858 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01859
01860
01861 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01862
01863 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01864 if (is_station) {
01865 ShowStationViewWindow(st->index);
01866 } else {
01867 ShowWaypointWindow(Waypoint::From(st));
01868 }
01869 return true;
01870 }
01871 }
01872
01873 return false;
01874 }
01875
01876
01877 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01878 {
01879
01880 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01881
01882 const Sign *si;
01883 FOR_ALL_SIGNS(si) {
01884
01885 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner) continue;
01886
01887 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01888 HandleClickOnSign(si);
01889 return true;
01890 }
01891 }
01892
01893 return false;
01894 }
01895
01896
01897 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01898 {
01899 Point pt = TranslateXYToTileCoord(vp, x, y);
01900
01901 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01902 return true;
01903 }
01904
01905 static void PlaceObject()
01906 {
01907 Point pt;
01908 Window *w;
01909
01910 pt = GetTileBelowCursor();
01911 if (pt.x == -1) return;
01912
01913 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01914 pt.x += TILE_SIZE / 2;
01915 pt.y += TILE_SIZE / 2;
01916 }
01917
01918 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01919 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01920
01921 w = _thd.GetCallbackWnd();
01922 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01923 }
01924
01925
01926 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01927 {
01928 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01929
01930 if (_thd.place_mode & HT_VEHICLE) {
01931 if (v != NULL && VehicleClicked(v)) return true;
01932 }
01933
01934
01935 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
01936 PlaceObject();
01937 return true;
01938 }
01939
01940 if (CheckClickOnTown(vp, x, y)) return true;
01941 if (CheckClickOnStation(vp, x, y)) return true;
01942 if (CheckClickOnSign(vp, x, y)) return true;
01943 bool result = CheckClickOnLandscape(vp, x, y);
01944
01945 if (v != NULL) {
01946 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01947 if (IsCompanyBuildableVehicleType(v)) {
01948 v = v->First();
01949 if (_ctrl_pressed && v->owner == _local_company) {
01950 StartStopVehicle(v, true);
01951 } else {
01952 ShowVehicleViewWindow(v);
01953 }
01954 }
01955 return true;
01956 }
01957 return result;
01958 }
01959
01960 void RebuildViewportOverlay(Window *w)
01961 {
01962 if (w->viewport->overlay != NULL &&
01963 w->viewport->overlay->GetCompanyMask() != 0 &&
01964 w->viewport->overlay->GetCargoMask() != 0) {
01965 w->viewport->overlay->RebuildCache();
01966 w->SetDirty();
01967 }
01968 }
01969
01979 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
01980 {
01981
01982 if (z == -1) z = GetSlopePixelZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
01983
01984 Point pt = MapXYZToViewport(w->viewport, x, y, z);
01985 w->viewport->follow_vehicle = INVALID_VEHICLE;
01986
01987 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
01988
01989 if (instant) {
01990 w->viewport->scrollpos_x = pt.x;
01991 w->viewport->scrollpos_y = pt.y;
01992 RebuildViewportOverlay(w);
01993 }
01994
01995 w->viewport->dest_scrollpos_x = pt.x;
01996 w->viewport->dest_scrollpos_y = pt.y;
01997 return true;
01998 }
01999
02007 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
02008 {
02009 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
02010 }
02011
02018 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
02019 {
02020 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
02021 }
02022
02027 void SetRedErrorSquare(TileIndex tile)
02028 {
02029 TileIndex old;
02030
02031 old = _thd.redsq;
02032 _thd.redsq = tile;
02033
02034 if (tile != old) {
02035 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
02036 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
02037 }
02038 }
02039
02045 void SetTileSelectSize(int w, int h)
02046 {
02047 _thd.new_size.x = w * TILE_SIZE;
02048 _thd.new_size.y = h * TILE_SIZE;
02049 _thd.new_outersize.x = 0;
02050 _thd.new_outersize.y = 0;
02051 }
02052
02053 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02054 {
02055 _thd.offs.x = ox * TILE_SIZE;
02056 _thd.offs.y = oy * TILE_SIZE;
02057 _thd.new_outersize.x = sx * TILE_SIZE;
02058 _thd.new_outersize.y = sy * TILE_SIZE;
02059 }
02060
02062 static HighLightStyle GetAutorailHT(int x, int y)
02063 {
02064 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02065 }
02066
02070 void TileHighlightData::Reset()
02071 {
02072 this->pos.x = 0;
02073 this->pos.y = 0;
02074 this->new_pos.x = 0;
02075 this->new_pos.y = 0;
02076 }
02077
02082 bool TileHighlightData::IsDraggingDiagonal()
02083 {
02084 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02085 }
02086
02091 Window *TileHighlightData::GetCallbackWnd()
02092 {
02093 return FindWindowById(this->window_class, this->window_number);
02094 }
02095
02096
02097
02105 void UpdateTileSelection()
02106 {
02107 int x1;
02108 int y1;
02109
02110 HighLightStyle new_drawstyle = HT_NONE;
02111 bool new_diagonal = false;
02112
02113 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02114 x1 = _thd.selend.x;
02115 y1 = _thd.selend.y;
02116 if (x1 != -1) {
02117 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02118 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02119 x1 &= ~TILE_UNIT_MASK;
02120 y1 &= ~TILE_UNIT_MASK;
02121
02122 if (_thd.IsDraggingDiagonal()) {
02123 new_diagonal = true;
02124 } else {
02125 if (x1 >= x2) Swap(x1, x2);
02126 if (y1 >= y2) Swap(y1, y2);
02127 }
02128 _thd.new_pos.x = x1;
02129 _thd.new_pos.y = y1;
02130 _thd.new_size.x = x2 - x1;
02131 _thd.new_size.y = y2 - y1;
02132 if (!new_diagonal) {
02133 _thd.new_size.x += TILE_SIZE;
02134 _thd.new_size.y += TILE_SIZE;
02135 }
02136 new_drawstyle = _thd.next_drawstyle;
02137 }
02138 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02139 Point pt = GetTileBelowCursor();
02140 x1 = pt.x;
02141 y1 = pt.y;
02142 if (x1 != -1) {
02143 switch (_thd.place_mode & HT_DRAG_MASK) {
02144 case HT_RECT:
02145 new_drawstyle = HT_RECT;
02146 break;
02147 case HT_POINT:
02148 new_drawstyle = HT_POINT;
02149 x1 += TILE_SIZE / 2;
02150 y1 += TILE_SIZE / 2;
02151 break;
02152 case HT_RAIL:
02153
02154 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02155 break;
02156 case HT_LINE:
02157 switch (_thd.place_mode & HT_DIR_MASK) {
02158 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02159 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02160
02161 case HT_DIR_HU:
02162 case HT_DIR_HL:
02163 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02164 break;
02165
02166 case HT_DIR_VL:
02167 case HT_DIR_VR:
02168 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02169 break;
02170
02171 default: NOT_REACHED();
02172 }
02173 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02174 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02175 break;
02176 default:
02177 NOT_REACHED();
02178 break;
02179 }
02180 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02181 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02182 }
02183 }
02184
02185
02186 if (_thd.drawstyle != new_drawstyle ||
02187 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02188 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02189 _thd.outersize.x != _thd.new_outersize.x ||
02190 _thd.outersize.y != _thd.new_outersize.y ||
02191 _thd.diagonal != new_diagonal) {
02192
02193 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02194
02195 _thd.drawstyle = new_drawstyle;
02196 _thd.pos = _thd.new_pos;
02197 _thd.size = _thd.new_size;
02198 _thd.outersize = _thd.new_outersize;
02199 _thd.diagonal = new_diagonal;
02200 _thd.dirty = 0xff;
02201
02202
02203 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02204 }
02205 }
02206
02214 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02215 {
02216 if (!_settings_client.gui.measure_tooltip) return;
02217 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02218 }
02219
02221 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02222 {
02223 _thd.select_method = method;
02224 _thd.select_proc = process;
02225 _thd.selend.x = TileX(tile) * TILE_SIZE;
02226 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02227 _thd.selend.y = TileY(tile) * TILE_SIZE;
02228 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02229
02230
02231
02232
02233 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02234 _thd.selend.x += TILE_SIZE / 2;
02235 _thd.selend.y += TILE_SIZE / 2;
02236 _thd.selstart.x += TILE_SIZE / 2;
02237 _thd.selstart.y += TILE_SIZE / 2;
02238 }
02239
02240 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02241 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02242 _thd.place_mode = HT_SPECIAL | others;
02243 _thd.next_drawstyle = HT_RECT | others;
02244 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02245 _thd.place_mode = HT_SPECIAL | others;
02246 _thd.next_drawstyle = _thd.drawstyle | others;
02247 } else {
02248 _thd.place_mode = HT_SPECIAL | others;
02249 _thd.next_drawstyle = HT_POINT | others;
02250 }
02251 _special_mouse_mode = WSM_SIZING;
02252 }
02253
02254 void VpSetPlaceSizingLimit(int limit)
02255 {
02256 _thd.sizelimit = limit;
02257 }
02258
02264 void VpSetPresizeRange(TileIndex from, TileIndex to)
02265 {
02266 uint64 distance = DistanceManhattan(from, to) + 1;
02267
02268 _thd.selend.x = TileX(to) * TILE_SIZE;
02269 _thd.selend.y = TileY(to) * TILE_SIZE;
02270 _thd.selstart.x = TileX(from) * TILE_SIZE;
02271 _thd.selstart.y = TileY(from) * TILE_SIZE;
02272 _thd.next_drawstyle = HT_RECT;
02273
02274
02275 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02276 }
02277
02278 static void VpStartPreSizing()
02279 {
02280 _thd.selend.x = -1;
02281 _special_mouse_mode = WSM_PRESIZE;
02282 }
02283
02288 static HighLightStyle Check2x1AutoRail(int mode)
02289 {
02290 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02291 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02292 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02293 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02294
02295 switch (mode) {
02296 default: NOT_REACHED();
02297 case 0:
02298 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02299 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02300 return HT_DIR_Y;
02301
02302 case 1:
02303 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02304 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02305 return HT_DIR_Y;
02306
02307 case 2:
02308 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02309 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02310 return HT_DIR_X;
02311
02312 case 3:
02313 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02314 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02315 return HT_DIR_X;
02316 }
02317 }
02318
02332 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02333 {
02334 uint start_x = TileX(start_tile);
02335 uint start_y = TileY(start_tile);
02336 uint end_x = TileX(end_tile);
02337 uint end_y = TileY(end_tile);
02338
02339 switch (style & HT_DRAG_MASK) {
02340 case HT_RAIL:
02341 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02342
02343 case HT_RECT:
02344 case HT_POINT: return (end_x != start_x && end_y < start_y);
02345 default: NOT_REACHED();
02346 }
02347
02348 return false;
02349 }
02350
02366 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02367 {
02368 bool swap = SwapDirection(style, start_tile, end_tile);
02369 uint h0, h1;
02370
02371 if (start_tile == end_tile) return 0;
02372 if (swap) Swap(start_tile, end_tile);
02373
02374 switch (style & HT_DRAG_MASK) {
02375 case HT_RECT: {
02376 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02377 {1, 0}, {0, 0},
02378 {0, 1}, {1, 1}
02379 };
02380
02381
02382
02383 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02384 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02385 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02386
02387 }
02388
02389 case HT_POINT:
02390 h0 = TileHeight(start_tile);
02391 h1 = TileHeight(end_tile);
02392 break;
02393 default: {
02394 static const HighLightStyle flip_style_direction[] = {
02395 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02396 };
02397 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02398 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02399 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02400 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02401
02402 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02403 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02404 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02405 };
02406
02407 distance %= 2;
02408 style &= HT_DIR_MASK;
02409
02410
02411
02412
02413
02414 if (swap && distance == 0) style = flip_style_direction[style];
02415
02416
02417 byte style_t = style * 2;
02418 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02419 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02420 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02421 h0 = max(h0, ht);
02422
02423
02424
02425 if (distance == 0) style_t = flip_style_direction[style] * 2;
02426 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02427 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02428 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02429 h1 = max(h1, ht);
02430 break;
02431 }
02432 }
02433
02434 if (swap) Swap(h0, h1);
02435 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02436 }
02437
02438 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02439
02446 static void CheckUnderflow(int &test, int &other, int mult)
02447 {
02448 if (test >= 0) return;
02449
02450 other += mult * test;
02451 test = 0;
02452 }
02453
02461 static void CheckOverflow(int &test, int &other, int max, int mult)
02462 {
02463 if (test <= max) return;
02464
02465 other += mult * (test - max);
02466 test = max;
02467 }
02468
02470 static void CalcRaildirsDrawstyle(int x, int y, int method)
02471 {
02472 HighLightStyle b;
02473
02474 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02475 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02476 uint w = abs(dx) + TILE_SIZE;
02477 uint h = abs(dy) + TILE_SIZE;
02478
02479 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02480
02481 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02482 int raw_dx = _thd.selstart.x - _thd.selend.x;
02483 int raw_dy = _thd.selstart.y - _thd.selend.y;
02484 switch (method) {
02485 case VPM_FIX_X:
02486 b = HT_LINE | HT_DIR_Y;
02487 x = _thd.selstart.x;
02488 break;
02489
02490 case VPM_FIX_Y:
02491 b = HT_LINE | HT_DIR_X;
02492 y = _thd.selstart.y;
02493 break;
02494
02495 case VPM_FIX_HORIZONTAL:
02496 if (dx == -dy) {
02497
02498
02499 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02500 } else {
02501
02502
02503 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02504
02505
02506
02507
02508 int offset = (raw_dx - raw_dy) / 2;
02509 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02510 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02511
02512
02513 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02514 if (dx + dy >= (int)TILE_SIZE) {
02515 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02516 } else {
02517 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02518 }
02519 }
02520
02521
02522 CheckUnderflow(x, y, 1);
02523 CheckUnderflow(y, x, 1);
02524 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02525 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02526 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02527 }
02528 break;
02529
02530 case VPM_FIX_VERTICAL:
02531 if (dx == dy) {
02532
02533
02534 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02535 } else {
02536
02537
02538 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02539
02540
02541
02542
02543 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02544 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02545 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02546
02547
02548 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02549 if (dx - dy < 0) {
02550 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02551 } else {
02552 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02553 }
02554 }
02555
02556
02557 CheckUnderflow(x, y, -1);
02558 CheckUnderflow(y, x, -1);
02559 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02560 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02561 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02562 }
02563 break;
02564
02565 default:
02566 NOT_REACHED();
02567 }
02568 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02569 if (method & VPM_RAILDIRS) {
02570 b = GetAutorailHT(x, y);
02571 } else {
02572 b = HT_RECT;
02573 }
02574 } else if (h == TILE_SIZE) {
02575 if (dx == (int)TILE_SIZE) {
02576 b = (Check2x1AutoRail(3)) | HT_LINE;
02577 } else if (dx == -(int)TILE_SIZE) {
02578 b = (Check2x1AutoRail(2)) | HT_LINE;
02579 } else {
02580 b = HT_LINE | HT_DIR_X;
02581 }
02582 y = _thd.selstart.y;
02583 } else if (w == TILE_SIZE) {
02584 if (dy == (int)TILE_SIZE) {
02585 b = (Check2x1AutoRail(1)) | HT_LINE;
02586 } else if (dy == -(int)TILE_SIZE) {
02587 b = (Check2x1AutoRail(0)) | HT_LINE;
02588 } else {
02589 b = HT_LINE | HT_DIR_Y;
02590 }
02591 x = _thd.selstart.x;
02592 } else if (w > h * 2) {
02593 b = HT_LINE | HT_DIR_X;
02594 y = _thd.selstart.y;
02595 } else if (h > w * 2) {
02596 b = HT_LINE | HT_DIR_Y;
02597 x = _thd.selstart.x;
02598 } else {
02599 int d = w - h;
02600 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
02601 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
02602
02603
02604 if (x > _thd.selstart.x) {
02605 if (y > _thd.selstart.y) {
02606
02607 if (d == 0) {
02608 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02609 } else if (d >= 0) {
02610 x = _thd.selstart.x + h;
02611 b = HT_LINE | HT_DIR_VL;
02612 } else {
02613 y = _thd.selstart.y + w;
02614 b = HT_LINE | HT_DIR_VR;
02615 }
02616 } else {
02617
02618 if (d == 0) {
02619 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02620 } else if (d >= 0) {
02621 x = _thd.selstart.x + h;
02622 b = HT_LINE | HT_DIR_HL;
02623 } else {
02624 y = _thd.selstart.y - w;
02625 b = HT_LINE | HT_DIR_HU;
02626 }
02627 }
02628 } else {
02629 if (y > _thd.selstart.y) {
02630
02631 if (d == 0) {
02632 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02633 } else if (d >= 0) {
02634 x = _thd.selstart.x - h;
02635 b = HT_LINE | HT_DIR_HU;
02636 } else {
02637 y = _thd.selstart.y + w;
02638 b = HT_LINE | HT_DIR_HL;
02639 }
02640 } else {
02641
02642 if (d == 0) {
02643 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02644 } else if (d >= 0) {
02645 x = _thd.selstart.x - h;
02646 b = HT_LINE | HT_DIR_VR;
02647 } else {
02648 y = _thd.selstart.y - w;
02649 b = HT_LINE | HT_DIR_VL;
02650 }
02651 }
02652 }
02653 }
02654
02655 if (_settings_client.gui.measure_tooltip) {
02656 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02657 TileIndex t1 = TileVirtXY(x, y);
02658 uint distance = DistanceManhattan(t0, t1) + 1;
02659 byte index = 0;
02660 uint64 params[2];
02661
02662 if (distance != 1) {
02663 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02664
02665
02666
02667 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02668 distance = CeilDiv(distance, 2);
02669 }
02670
02671 params[index++] = distance;
02672 if (heightdiff != 0) params[index++] = heightdiff;
02673 }
02674
02675 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02676 }
02677
02678 _thd.selend.x = x;
02679 _thd.selend.y = y;
02680 _thd.next_drawstyle = b;
02681 }
02682
02690 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02691 {
02692 int sx, sy;
02693 HighLightStyle style;
02694
02695 if (x == -1) {
02696 _thd.selend.x = -1;
02697 return;
02698 }
02699
02700
02701 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02702 _thd.selend.x = x;
02703 _thd.selend.y = y;
02704 CalcRaildirsDrawstyle(x, y, method);
02705 return;
02706 }
02707
02708
02709 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02710 x += TILE_SIZE / 2;
02711 y += TILE_SIZE / 2;
02712 }
02713
02714 sx = _thd.selstart.x;
02715 sy = _thd.selstart.y;
02716
02717 int limit = 0;
02718
02719 switch (method) {
02720 case VPM_X_OR_Y:
02721 if (abs(sy - y) < abs(sx - x)) {
02722 y = sy;
02723 style = HT_DIR_X;
02724 } else {
02725 x = sx;
02726 style = HT_DIR_Y;
02727 }
02728 goto calc_heightdiff_single_direction;
02729
02730 case VPM_X_LIMITED:
02731 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02732
02733
02734 case VPM_FIX_X:
02735 x = sx;
02736 style = HT_DIR_Y;
02737 goto calc_heightdiff_single_direction;
02738
02739 case VPM_Y_LIMITED:
02740 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02741
02742
02743 case VPM_FIX_Y:
02744 y = sy;
02745 style = HT_DIR_X;
02746
02747 calc_heightdiff_single_direction:;
02748 if (limit > 0) {
02749 x = sx + Clamp(x - sx, -limit, limit);
02750 y = sy + Clamp(y - sy, -limit, limit);
02751 }
02752 if (_settings_client.gui.measure_tooltip) {
02753 TileIndex t0 = TileVirtXY(sx, sy);
02754 TileIndex t1 = TileVirtXY(x, y);
02755 uint distance = DistanceManhattan(t0, t1) + 1;
02756 byte index = 0;
02757 uint64 params[2];
02758
02759 if (distance != 1) {
02760
02761
02762
02763
02764
02765 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02766
02767 params[index++] = distance;
02768 if (heightdiff != 0) params[index++] = heightdiff;
02769 }
02770
02771 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02772 }
02773 break;
02774
02775 case VPM_X_AND_Y_LIMITED:
02776 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02777 x = sx + Clamp(x - sx, -limit, limit);
02778 y = sy + Clamp(y - sy, -limit, limit);
02779
02780
02781 case VPM_X_AND_Y:
02782 if (_settings_client.gui.measure_tooltip) {
02783 static const StringID measure_strings_area[] = {
02784 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02785 };
02786
02787 TileIndex t0 = TileVirtXY(sx, sy);
02788 TileIndex t1 = TileVirtXY(x, y);
02789 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02790 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02791 byte index = 0;
02792 uint64 params[3];
02793
02794
02795
02796 style = (HighLightStyle)_thd.next_drawstyle;
02797 if (_thd.IsDraggingDiagonal()) {
02798
02799
02800
02801
02802
02803
02804
02805
02806
02807
02808 int dist_x = TileX(t0) - TileX(t1);
02809 int dist_y = TileY(t0) - TileY(t1);
02810 int a_max = dist_x + dist_y;
02811 int b_max = dist_y - dist_x;
02812
02813
02814
02815 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02816 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02817
02818
02819
02820
02821
02822 if (a_max != 1 || b_max != 1) {
02823 dx = a_max;
02824 dy = b_max;
02825 }
02826 } else if (style & HT_RECT) {
02827 if (dx == 1) {
02828 style = HT_LINE | HT_DIR_Y;
02829 } else if (dy == 1) {
02830 style = HT_LINE | HT_DIR_X;
02831 }
02832 }
02833
02834 if (dx != 1 || dy != 1) {
02835 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02836
02837 params[index++] = dx - (style & HT_POINT ? 1 : 0);
02838 params[index++] = dy - (style & HT_POINT ? 1 : 0);
02839 if (heightdiff != 0) params[index++] = heightdiff;
02840 }
02841
02842 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02843 }
02844 break;
02845
02846 default: NOT_REACHED();
02847 }
02848
02849 _thd.selend.x = x;
02850 _thd.selend.y = y;
02851 }
02852
02857 EventState VpHandlePlaceSizingDrag()
02858 {
02859 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02860
02861
02862 Window *w = _thd.GetCallbackWnd();
02863 if (w == NULL) {
02864 ResetObjectToPlace();
02865 return ES_HANDLED;
02866 }
02867
02868
02869 if (_left_button_down) {
02870 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02871 return ES_HANDLED;
02872 }
02873
02874
02875
02876 _special_mouse_mode = WSM_NONE;
02877 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02878 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02879 _thd.place_mode = HT_RECT | others;
02880 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02881 _thd.place_mode = HT_RECT | others;
02882 } else if (_thd.select_method & VPM_RAILDIRS) {
02883 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02884 } else {
02885 _thd.place_mode = HT_POINT | others;
02886 }
02887 SetTileSelectSize(1, 1);
02888
02889 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02890
02891 return ES_HANDLED;
02892 }
02893
02894 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02895 {
02896 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02897 }
02898
02899 #include "table/animcursors.h"
02900
02901 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02902 {
02903 if (_thd.window_class != WC_INVALID) {
02904
02905 Window *w = _thd.GetCallbackWnd();
02906
02907
02908
02909
02910
02911 _thd.window_class = WC_INVALID;
02912 if (w != NULL) w->OnPlaceObjectAbort();
02913 }
02914
02915
02916 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02917
02918 SetTileSelectSize(1, 1);
02919
02920 _thd.make_square_red = false;
02921
02922 if (mode == HT_DRAG) {
02923 mode = HT_NONE;
02924 _special_mouse_mode = WSM_DRAGDROP;
02925 } else {
02926 _special_mouse_mode = WSM_NONE;
02927 }
02928
02929 _thd.place_mode = mode;
02930 _thd.window_class = window_class;
02931 _thd.window_number = window_num;
02932
02933 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
02934 VpStartPreSizing();
02935 }
02936
02937 if ((icon & ANIMCURSOR_FLAG) != 0) {
02938 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02939 } else {
02940 SetMouseCursor(icon, pal);
02941 }
02942
02943 }
02944
02945 void ResetObjectToPlace()
02946 {
02947 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02948 }
02949
02950 Point GetViewportStationMiddle(const ViewPort *vp, const Station *st)
02951 {
02952 int x = TileX(st->xy) * TILE_SIZE;
02953 int y = TileY(st->xy) * TILE_SIZE;
02954 int z = GetSlopePixelZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
02955
02956 Point p = RemapCoords(x, y, z);
02957 p.x = UnScaleByZoom(p.x - vp->virtual_left, vp->zoom) + vp->left;
02958 p.y = UnScaleByZoom(p.y - vp->virtual_top, vp->zoom) + vp->top;
02959 return p;
02960 }