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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 const ViewPort *vp;
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 ViewportDrawer _vd;
00147
00148 TileHighlightData _thd;
00149 static TileInfo *_cur_ti;
00150 bool _draw_bounding_boxes = false;
00151
00152 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00153 {
00154 Point p = RemapCoords(x, y, z);
00155 p.x -= vp->virtual_width / 2;
00156 p.y -= vp->virtual_height / 2;
00157 return p;
00158 }
00159
00160 void DeleteWindowViewport(Window *w)
00161 {
00162 free(w->viewport);
00163 w->viewport = NULL;
00164 }
00165
00178 void InitializeWindowViewport(Window *w, int x, int y,
00179 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00180 {
00181 assert(w->viewport == NULL);
00182
00183 ViewportData *vp = CallocT<ViewportData>(1);
00184
00185 vp->left = x + w->left;
00186 vp->top = y + w->top;
00187 vp->width = width;
00188 vp->height = height;
00189
00190 vp->zoom = zoom;
00191
00192 vp->virtual_width = ScaleByZoom(width, zoom);
00193 vp->virtual_height = ScaleByZoom(height, zoom);
00194
00195 Point pt;
00196
00197 if (follow_flags & 0x80000000) {
00198 const Vehicle *veh;
00199
00200 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFFF);
00201 veh = Vehicle::Get(vp->follow_vehicle);
00202 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00203 } else {
00204 uint x = TileX(follow_flags) * TILE_SIZE;
00205 uint y = TileY(follow_flags) * TILE_SIZE;
00206
00207 vp->follow_vehicle = INVALID_VEHICLE;
00208 pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
00209 }
00210
00211 vp->scrollpos_x = pt.x;
00212 vp->scrollpos_y = pt.y;
00213 vp->dest_scrollpos_x = pt.x;
00214 vp->dest_scrollpos_y = pt.y;
00215
00216 w->viewport = vp;
00217 vp->virtual_left = 0;
00218 vp->virtual_top = 0;
00219 }
00220
00221 static Point _vp_move_offs;
00222
00223 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00224 {
00225 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00226 if (left + width > w->left &&
00227 w->left + w->width > left &&
00228 top + height > w->top &&
00229 w->top + w->height > top) {
00230
00231 if (left < w->left) {
00232 DoSetViewportPosition(w, left, top, w->left - left, height);
00233 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00234 return;
00235 }
00236
00237 if (left + width > w->left + w->width) {
00238 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00239 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00240 return;
00241 }
00242
00243 if (top < w->top) {
00244 DoSetViewportPosition(w, left, top, width, (w->top - top));
00245 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00246 return;
00247 }
00248
00249 if (top + height > w->top + w->height) {
00250 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00251 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00252 return;
00253 }
00254
00255 return;
00256 }
00257 }
00258
00259 {
00260 int xo = _vp_move_offs.x;
00261 int yo = _vp_move_offs.y;
00262
00263 if (abs(xo) >= width || abs(yo) >= height) {
00264
00265 RedrawScreenRect(left, top, left + width, top + height);
00266 return;
00267 }
00268
00269 GfxScroll(left, top, width, height, xo, yo);
00270
00271 if (xo > 0) {
00272 RedrawScreenRect(left, top, xo + left, top + height);
00273 left += xo;
00274 width -= xo;
00275 } else if (xo < 0) {
00276 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00277 width += xo;
00278 }
00279
00280 if (yo > 0) {
00281 RedrawScreenRect(left, top, width + left, top + yo);
00282 } else if (yo < 0) {
00283 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00284 }
00285 }
00286 }
00287
00288 static void SetViewportPosition(Window *w, int x, int y)
00289 {
00290 ViewPort *vp = w->viewport;
00291 int old_left = vp->virtual_left;
00292 int old_top = vp->virtual_top;
00293 int i;
00294 int left, top, width, height;
00295
00296
00297
00298
00299
00300
00301 x = UnScaleByZoom(x, vp->zoom);
00302 y = UnScaleByZoom(y, vp->zoom);
00303
00304 vp->virtual_left = x;
00305 vp->virtual_top = y;
00306
00307 old_left -= x;
00308 old_top -= y;
00309
00310 if (old_top == 0 && old_left == 0) return;
00311
00312 _vp_move_offs.x = old_left;
00313 _vp_move_offs.y = old_top;
00314
00315 left = vp->left;
00316 top = vp->top;
00317 width = vp->width;
00318 height = vp->height;
00319
00320 if (left < 0) {
00321 width += left;
00322 left = 0;
00323 }
00324
00325 i = left + width - _screen.width;
00326 if (i >= 0) width -= i;
00327
00328 if (width > 0) {
00329 if (top < 0) {
00330 height += top;
00331 top = 0;
00332 }
00333
00334 i = top + height - _screen.height;
00335 if (i >= 0) height -= i;
00336
00337 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00338 }
00339 }
00340
00349 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00350 {
00351 ViewPort *vp = w->viewport;
00352
00353 if (vp != NULL &&
00354 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00355 IsInsideMM(y, vp->top, vp->top + vp->height))
00356 return vp;
00357
00358 return NULL;
00359 }
00360
00368 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00369 {
00370 Point pt;
00371 int a, b;
00372 uint z;
00373
00374 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00375 (uint)(y -= vp->top) >= (uint)vp->height) {
00376 Point pt = {-1, -1};
00377 return pt;
00378 }
00379
00380 x = (ScaleByZoom(x + vp->virtual_left, vp->zoom) ) >> 2;
00381 y = (ScaleByZoom(y + vp->virtual_top, vp->zoom) ) >> 1;
00382 a = y - x;
00383 b = y + x;
00384
00385
00386
00387
00388 a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00389 b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00390
00391
00392
00393
00394
00395
00396
00397
00398 z = 0;
00399
00400 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00401
00402 for (int i = 0; i < 5; i++) z = GetSlopeZ(Clamp(a + (int)max(z, 4u) - 4, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + (int)max(z, 4u) - 4, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00403 for (uint malus = 3; malus > 0; malus--) z = GetSlopeZ(Clamp(a + (int)max(z, malus) - (int)malus, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + (int)max(z, malus) - (int)malus, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00404 for (int i = 0; i < 5; i++) z = GetSlopeZ(Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00405
00406 pt.x = Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1);
00407 pt.y = Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1);
00408
00409 return pt;
00410 }
00411
00412
00413
00414
00415 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00416 {
00417 Window *w;
00418 ViewPort *vp;
00419 Point pt;
00420
00421 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00422 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00423 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00424
00425 pt.y = pt.x = -1;
00426 return pt;
00427 }
00428
00429 Point GetTileBelowCursor()
00430 {
00431 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00432 }
00433
00434
00435 Point GetTileZoomCenterWindow(bool in, Window * w)
00436 {
00437 int x, y;
00438 ViewPort *vp = w->viewport;
00439
00440 if (in) {
00441 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00442 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00443 } else {
00444 x = vp->width - (_cursor.pos.x - vp->left);
00445 y = vp->height - (_cursor.pos.y - vp->top);
00446 }
00447
00448 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00449 }
00450
00459 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00460 {
00461 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
00462 w->SetWidgetDirty(widget_zoom_in);
00463
00464 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
00465 w->SetWidgetDirty(widget_zoom_out);
00466 }
00467
00480 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)
00481 {
00482 assert((image & SPRITE_MASK) < MAX_SPRITES);
00483
00484 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00485 ts->image = image;
00486 ts->pal = pal;
00487 ts->sub = sub;
00488 Point pt = RemapCoords(x, y, z);
00489 ts->x = pt.x + extra_offs_x;
00490 ts->y = pt.y + extra_offs_y;
00491 }
00492
00505 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00506 {
00507 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00508 assert(_vd.foundation[foundation_part] != -1);
00509 Point offs = _vd.foundation_offset[foundation_part];
00510
00511
00512 int *old_child = _vd.last_child;
00513 _vd.last_child = _vd.last_foundation_child[foundation_part];
00514
00515 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
00516
00517
00518 _vd.last_child = old_child;
00519 }
00520
00534 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00535 {
00536
00537 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00538
00539 if (_vd.foundation[_vd.foundation_part] != -1) {
00540 Point pt = RemapCoords(x, y, z);
00541 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x, pt.y + extra_offs_y);
00542 } else {
00543 AddTileSpriteToDraw(image, pal, _cur_ti->x + x, _cur_ti->y + y, _cur_ti->z + z, sub, extra_offs_x, extra_offs_y);
00544 }
00545 }
00546
00557 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00558 {
00559 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00560 }
00561
00569 void OffsetGroundSprite(int x, int y)
00570 {
00571
00572 switch (_vd.foundation_part) {
00573 case FOUNDATION_PART_NONE:
00574 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00575 break;
00576 case FOUNDATION_PART_NORMAL:
00577 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00578 break;
00579 default: NOT_REACHED();
00580 }
00581
00582
00583 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00584
00585 _vd.foundation_offset[_vd.foundation_part].x = x;
00586 _vd.foundation_offset[_vd.foundation_part].y = y;
00587 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00588 }
00589
00601 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, byte z, const SubSprite *sub)
00602 {
00603 Point pt = RemapCoords(x, y, z);
00604 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00605
00606 int xu = UnScaleByZoom(pt.x, _vd.dpi.zoom);
00607 int yu = UnScaleByZoom(pt.y, _vd.dpi.zoom);
00608
00609 if (xu + spr->x_offs >= _vd.vp->virtual_left + _vd.vp->width ||
00610 xu + spr->x_offs + spr->width <= _vd.vp->virtual_left ||
00611 yu + spr->y_offs >= _vd.vp->virtual_top + _vd.vp->height ||
00612 yu + spr->y_offs + spr->height <= _vd.vp->virtual_top)
00613 return;
00614
00615 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00616 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub);
00617 }
00618
00644 void AddSortableSpriteToDraw(SpriteID image, PaletteID pal, int x, int y, int w, int h, int dz, int z, bool transparent, int bb_offset_x, int bb_offset_y, int bb_offset_z, const SubSprite *sub)
00645 {
00646 int32 left, right, top, bottom;
00647
00648 assert((image & SPRITE_MASK) < MAX_SPRITES);
00649
00650
00651 if (transparent) {
00652 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00653 }
00654
00655 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00656 AddCombinedSprite(image, pal, x, y, z, sub);
00657 return;
00658 }
00659
00660 _vd.last_child = NULL;
00661
00662 Point pt = RemapCoords(x, y, z);
00663 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00664
00665
00666 if (image == SPR_EMPTY_BOUNDING_BOX) {
00667 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00668 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00669 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00670 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00671 } else {
00672 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00673 int x_offs, y_offs,swidth, sheight;
00674
00675 x_offs = ScaleByZoom(spr->x_offs, _vd.vp->zoom);
00676 y_offs = ScaleByZoom(spr->y_offs, _vd.vp->zoom);
00677 swidth = ScaleByZoom(spr->width, _vd.vp->zoom);
00678 sheight = ScaleByZoom(spr->height, _vd.vp->zoom);
00679 left = tmp_left = (pt.x += x_offs);
00680 right = (pt.x + swidth );
00681 top = tmp_top = (pt.y += y_offs);
00682 bottom = (pt.y + sheight);
00683 }
00684
00685 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00686
00687 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00688 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00689 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00690 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00691 }
00692
00693
00694 if (UnScaleByZoom(left, _vd.vp->zoom) >= _vd.vp->virtual_left + _vd.vp->width ||
00695 UnScaleByZoom(right, _vd.vp->zoom) <= _vd.vp->virtual_left ||
00696 UnScaleByZoom(top, _vd.vp->zoom) >= _vd.vp->virtual_top + _vd.vp->height ||
00697 UnScaleByZoom(bottom, _vd.vp->zoom) <= _vd.vp->virtual_top) {
00698 return;
00699 }
00700
00701 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00702 ps->x = tmp_x;
00703 ps->y = tmp_y;
00704
00705 ps->left = tmp_left;
00706 ps->top = tmp_top;
00707
00708 ps->image = image;
00709 ps->pal = pal;
00710 ps->sub = sub;
00711 ps->xmin = x + bb_offset_x;
00712 ps->xmax = x + max(bb_offset_x, w) - 1;
00713
00714 ps->ymin = y + bb_offset_y;
00715 ps->ymax = y + max(bb_offset_y, h) - 1;
00716
00717 ps->zmin = z + bb_offset_z;
00718 ps->zmax = z + max(bb_offset_z, dz) - 1;
00719
00720 ps->comparison_done = false;
00721 ps->first_child = -1;
00722
00723 _vd.last_child = &ps->first_child;
00724
00725 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00726 }
00727
00746 void StartSpriteCombine()
00747 {
00748 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00749 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00750 }
00751
00756 void EndSpriteCombine()
00757 {
00758 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00759 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00760 }
00761
00771 static bool IsInRangeInclusive(int begin, int end, int check)
00772 {
00773 if (begin > end) Swap(begin, end);
00774 return begin <= check && check <= end;
00775 }
00776
00783 bool IsInsideRotatedRectangle(int x, int y)
00784 {
00785 int dist_a = (_thd.size.x + _thd.size.y);
00786 int dist_b = (_thd.size.x - _thd.size.y);
00787 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00788 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00789
00790
00791 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00792 }
00793
00804 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub)
00805 {
00806 assert((image & SPRITE_MASK) < MAX_SPRITES);
00807
00808
00809 if (_vd.last_child == NULL) return;
00810
00811
00812 if (transparent) {
00813 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00814 }
00815
00816 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00817
00818 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00819 cs->image = image;
00820 cs->pal = pal;
00821 cs->sub = sub;
00822 cs->x = UnScaleByZoom(x, _vd.dpi.zoom);
00823 cs->y = UnScaleByZoom(y, _vd.dpi.zoom);
00824 cs->next = -1;
00825
00826
00827
00828
00829 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00830 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00831 _vd.last_child = &cs->next;
00832 }
00833
00834 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00835 {
00836 assert(width != 0);
00837 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00838 ss->string = string;
00839 ss->x = x;
00840 ss->y = y;
00841 ss->params[0] = params_1;
00842 ss->params[1] = params_2;
00843 ss->width = width;
00844 ss->colour = colour;
00845 }
00846
00847
00859 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00860 {
00861
00862 if (_vd.foundation[foundation_part] == -1) {
00863
00864 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00865 } else {
00866
00867 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
00868 }
00869 }
00870
00877 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00878 {
00879 if (!IsValidTile(ti->tile)) return;
00880
00881 SpriteID sel;
00882 if (IsHalftileSlope(ti->tileh)) {
00883 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00884 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00885 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00886
00887 Corner opposite_corner = OppositeCorner(halftile_corner);
00888 if (IsSteepSlope(ti->tileh)) {
00889 sel = SPR_HALFTILE_SELECTION_DOWN;
00890 } else {
00891 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00892 }
00893 sel += opposite_corner;
00894 } else {
00895 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00896 }
00897 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00898 }
00899
00900 static bool IsPartOfAutoLine(int px, int py)
00901 {
00902 px -= _thd.selstart.x;
00903 py -= _thd.selstart.y;
00904
00905 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_LINE) return false;
00906
00907 switch (_thd.drawstyle & HT_DIR_MASK) {
00908 case HT_DIR_X: return py == 0;
00909 case HT_DIR_Y: return px == 0;
00910 case HT_DIR_HU: return px == -py || px == -py - 16;
00911 case HT_DIR_HL: return px == -py || px == -py + 16;
00912 case HT_DIR_VL: return px == py || px == py + 16;
00913 case HT_DIR_VR: return px == py || px == py - 16;
00914 default:
00915 NOT_REACHED();
00916 }
00917 }
00918
00919
00920 static const HighLightStyle _autorail_type[6][2] = {
00921 { HT_DIR_X, HT_DIR_X },
00922 { HT_DIR_Y, HT_DIR_Y },
00923 { HT_DIR_HU, HT_DIR_HL },
00924 { HT_DIR_HL, HT_DIR_HU },
00925 { HT_DIR_VL, HT_DIR_VR },
00926 { HT_DIR_VR, HT_DIR_VL }
00927 };
00928
00929 #include "table/autorail.h"
00930
00937 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00938 {
00939 SpriteID image;
00940 PaletteID pal;
00941 int offset;
00942
00943 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00944 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00945 if (IsHalftileSlope(ti->tileh)) {
00946 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00947 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00948 if (autorail_type != _lower_rail[halftile_corner]) {
00949 foundation_part = FOUNDATION_PART_HALFTILE;
00950
00951 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00952 }
00953 }
00954
00955 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00956 if (offset >= 0) {
00957 image = SPR_AUTORAIL_BASE + offset;
00958 pal = PAL_NONE;
00959 } else {
00960 image = SPR_AUTORAIL_BASE - offset;
00961 pal = PALETTE_SEL_TILE_RED;
00962 }
00963
00964 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00965 }
00966
00971 static void DrawTileSelection(const TileInfo *ti)
00972 {
00973
00974 bool is_redsq = _thd.redsq == ti->tile;
00975 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00976
00977
00978 if ((_thd.drawstyle & HT_DRAG_MASK) == HT_NONE) return;
00979
00980 if (_thd.diagonal) {
00981 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) goto draw_inner;
00982 return;
00983 }
00984
00985
00986 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00987 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00988 draw_inner:
00989 if (_thd.drawstyle & HT_RECT) {
00990 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00991 } else if (_thd.drawstyle & HT_POINT) {
00992
00993 byte z = 0;
00994 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00995 if (ti->tileh & SLOPE_N) {
00996 z += TILE_HEIGHT;
00997 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00998 }
00999 if (IsHalftileSlope(ti->tileh)) {
01000 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
01001 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
01002 if (halftile_corner != CORNER_S) {
01003 foundation_part = FOUNDATION_PART_HALFTILE;
01004 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
01005 }
01006 }
01007 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01008 } else if (_thd.drawstyle & HT_RAIL) {
01009
01010 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01011 assert(type < HT_DIR_END);
01012 DrawAutorailSelection(ti, _autorail_type[type][0]);
01013 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01014
01015 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01016 uint side;
01017
01018 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01019 side = 0;
01020 } else {
01021 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01022 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01023 }
01024
01025 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01026 }
01027 return;
01028 }
01029
01030
01031 if (!is_redsq && _thd.outersize.x > 0 &&
01032 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01033 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01034
01035 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01036 return;
01037 }
01038 }
01039
01040 static void ViewportAddLandscape()
01041 {
01042 int x, y, x1, y1, width, nof_sprites_drawn;
01043 int top, bottom;
01044 TileInfo ti;
01045 bool direction;
01046 Point pt;
01047
01048 _cur_ti = &ti;
01049
01050 x1 = ScaleByZoomLower(_vd.vp->virtual_left + _vd.dpi.left, _vd.vp->zoom) ;
01051 y1 = ScaleByZoomLower(_vd.vp->virtual_top + _vd.dpi.top, _vd.vp->zoom) ;
01052
01053 x1 = x1 / 4;
01054 y1 = y1 / 2;
01055
01056 x = ((y1 - x1) / TILE_SIZE) * TILE_SIZE ;
01057 y = ((y1 + x1) / TILE_SIZE) * TILE_SIZE - (TILE_SIZE << 1);
01058
01059 width = (_vd.dpi.width / UnScaleByZoom(64, _vd.vp->zoom)) + 4;
01060
01061 bottom = ScaleByZoom(_vd.vp->virtual_top + _vd.dpi.top + _vd.dpi.height, _vd.vp->zoom) + 128;
01062 top = ScaleByZoom(_vd.vp->virtual_top + _vd.dpi.top, _vd.vp->zoom) ;
01063 assert(width > 0);
01064
01065 direction = false;
01066
01067 do {
01068 int width_cur = width;
01069 uint x_cur = x;
01070 uint y_cur = y;
01071 nof_sprites_drawn = 0;
01072 do {
01073 TileType tt = MP_VOID;
01074
01075 ti.x = x_cur;
01076 ti.y = y_cur;
01077
01078 ti.z = 0;
01079
01080 ti.tileh = SLOPE_FLAT;
01081 ti.tile = INVALID_TILE;
01082
01083 if (x_cur < MapMaxX() * TILE_SIZE &&
01084 y_cur < MapMaxY() * TILE_SIZE) {
01085 TileIndex tile = TileVirtXY(x_cur, y_cur);
01086
01087 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01088 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01089 uint maxh = max<uint>(TileHeight(tile), 1);
01090 for (uint h = 0; h < maxh; h++) {
01091 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01092 }
01093 }
01094
01095 ti.tile = tile;
01096 ti.tileh = GetTileSlope(tile, &ti.z);
01097 tt = GetTileType(tile);
01098 }
01099 }
01100 pt = RemapCoords(ti.x,ti.y,ti.z);
01101 if (pt.y < bottom) {
01102 _vd.foundation_part = FOUNDATION_PART_NONE;
01103 _vd.foundation[0] = -1;
01104 _vd.foundation[1] = -1;
01105 _vd.last_foundation_child[0] = NULL;
01106 _vd.last_foundation_child[1] = NULL;
01107 _tile_type_procs[tt]->draw_tile_proc(&ti);
01108 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01109 nof_sprites_drawn++;
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 (nof_sprites_drawn || (pt.y < top));
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
01146 left = ScaleByZoom(_vd.vp->virtual_left + dpi->left, dpi->zoom);
01147 top = ScaleByZoom(_vd.vp->virtual_top + dpi->top, dpi->zoom);
01148 right = left + ScaleByZoom(dpi->width, dpi->zoom);
01149 bottom = top + ScaleByZoom(dpi->height, dpi->zoom);
01150
01151
01152 if (bottom < sign->top ||
01153 top > sign->top + sign_height ||
01154 right < sign->center - sign_half_width ||
01155 left > sign->center + sign_half_width) {
01156 return;
01157 }
01158
01159 if (!small) {
01160 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01161 } else {
01162 int shadow_offset = 0;
01163 if (string_small_shadow != STR_NULL) {
01164 shadow_offset = 4;
01165 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01166 }
01167 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01168 colour, sign->width_small | 0x8000);
01169 }
01170 }
01171
01172 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01173 {
01174 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01175
01176 const Town *t;
01177 FOR_ALL_TOWNS(t) {
01178 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &t->sign,
01179 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01180 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01181 t->index, t->population);
01182 }
01183 }
01184
01185
01186 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01187 {
01188 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01189
01190 const BaseStation *st;
01191 FOR_ALL_BASE_STATIONS(st) {
01192
01193 bool is_station = Station::IsExpected(st);
01194
01195
01196 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01197
01198 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &st->sign,
01199 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01200 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01201 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01202 }
01203 }
01204
01205
01206 static void ViewportAddSigns(DrawPixelInfo *dpi)
01207 {
01208
01209 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01210
01211 const Sign *si;
01212 FOR_ALL_SIGNS(si) {
01213 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &si->sign,
01214 STR_WHITE_SIGN,
01215 IsTransparencySet(TO_SIGNS) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01216 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : _company_colours[si->owner]);
01217 }
01218 }
01219
01226 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01227 {
01228 if (this->width_normal != 0) this->MarkDirty();
01229
01230 this->top = top;
01231
01232 char buffer[DRAW_STRING_BUFFER];
01233
01234 GetString(buffer, str, lastof(buffer));
01235 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01236 this->center = center;
01237
01238
01239 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01240
01241 this->MarkDirty();
01242 }
01243
01249 void ViewportSign::MarkDirty() const
01250 {
01251
01252
01253
01254
01255 MarkAllViewportsDirty(
01256 this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01257 this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
01258 this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01259 this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
01260 }
01261
01262 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01263 {
01264 const TileSpriteToDraw *tsend = tstdv->End();
01265 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01266 int left = UnScaleByZoom(ts->x,_vd.vp->zoom);
01267 int top = UnScaleByZoom(ts->y,_vd.vp->zoom);
01268
01269
01270 left -= _vd.vp->virtual_left;
01271 top -= _vd.vp->virtual_top;
01272
01273 DrawSprite(ts->image, ts->pal, left, top, ts->sub);
01274 }
01275 }
01276
01278 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01279 {
01280 ParentSpriteToDraw **psdvend = psdv->End();
01281 ParentSpriteToDraw **psd = psdv->Begin();
01282 while (psd != psdvend) {
01283 ParentSpriteToDraw *ps = *psd;
01284
01285 if (ps->comparison_done) {
01286 psd++;
01287 continue;
01288 }
01289
01290 ps->comparison_done = true;
01291
01292 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01293 ParentSpriteToDraw *ps2 = *psd2;
01294
01295 if (ps2->comparison_done) continue;
01296
01297
01298
01299
01300 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01301 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01302 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01303
01304
01305
01306
01307
01308
01309 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01310 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01311 continue;
01312 }
01313 } else {
01314
01315
01316
01317
01318 if (ps->xmax < ps2->xmin ||
01319 ps->ymax < ps2->ymin ||
01320 ps->zmax < ps2->zmin) {
01321 continue;
01322 }
01323 }
01324
01325
01326 ParentSpriteToDraw *temp = ps2;
01327 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01328 *psd3 = *(psd3 - 1);
01329 }
01330 *psd = temp;
01331 }
01332 }
01333 }
01334
01335 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01336 {
01337 int x,y, left, top;
01338 const ParentSpriteToDraw * const *psd_end = psd->End();
01339 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01340 const ParentSpriteToDraw* ps = *it;
01341
01342 x = UnScaleByZoom(ps->x, _cur_dpi->zoom) - _vd.vp->virtual_left;
01343 y = UnScaleByZoom(ps->y, _cur_dpi->zoom) - _vd.vp->virtual_top;
01344 left = UnScaleByZoom(ps->left, _cur_dpi->zoom) - _vd.vp->virtual_left;
01345 top = UnScaleByZoom(ps->top, _cur_dpi->zoom) - _vd.vp->virtual_top;
01346 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, x, y, ps->sub);
01347
01348 int child_idx = ps->first_child;
01349 while (child_idx >= 0) {
01350 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01351 child_idx = cs->next;
01352 DrawSprite(cs->image, cs->pal, left + cs->x, top + cs->y, cs->sub);
01353 }
01354 }
01355 }
01356
01361 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01362 {
01363 ZoomLevel zoom = _cur_dpi->zoom;
01364
01365 const ParentSpriteToDraw * const *psd_end = psd->End();
01366 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01367 const ParentSpriteToDraw *ps = *it;
01368
01369 Point pt1 = RemapCoords(ps->xmax, ps->ymax, ps->zmax);
01370 Point pt2 = RemapCoords(ps->xmin, ps->ymax, ps->zmax);
01371 Point pt3 = RemapCoords(ps->xmax, ps->ymin, ps->zmax);
01372 Point pt4 = RemapCoords(ps->xmax, ps->ymax, ps->zmin);
01373
01374
01375 pt1.x = UnScaleByZoom(pt1.x, zoom) - _vd.vp->virtual_left;
01376 pt1.y = UnScaleByZoom(pt1.y, zoom) - _vd.vp->virtual_top;
01377 pt2.x = UnScaleByZoom(pt2.x, zoom) - _vd.vp->virtual_left;
01378 pt2.y = UnScaleByZoom(pt2.y, zoom) - _vd.vp->virtual_top;
01379 pt3.x = UnScaleByZoom(pt3.x, zoom) - _vd.vp->virtual_left;
01380 pt3.y = UnScaleByZoom(pt3.y, zoom) - _vd.vp->virtual_top;
01381 pt4.x = UnScaleByZoom(pt4.x, zoom) - _vd.vp->virtual_left;
01382 pt4.y = UnScaleByZoom(pt4.y, zoom) - _vd.vp->virtual_top;
01383
01384
01385 DrawBox( pt1.x, pt1.y,
01386 pt2.x - pt1.x, pt2.y - pt1.y,
01387 pt3.x - pt1.x, pt3.y - pt1.y,
01388 pt4.x - pt1.x, pt4.y - pt1.y);
01389 }
01390 }
01391
01392 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01393 {
01394 DrawPixelInfo dp;
01395 ZoomLevel zoom;
01396
01397 _cur_dpi = &dp;
01398 dp = *dpi;
01399
01400 zoom = dp.zoom;
01401 zoom = _vd.vp->zoom;
01402 dp.zoom = ZOOM_LVL_NORMAL;
01403
01404 const StringSpriteToDraw *ssend = sstdv->End();
01405 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01406 TextColour colour = TC_BLACK;
01407 bool small = HasBit(ss->width, 15);
01408 int w = GB(ss->width, 0, 15);
01409
01410 int x = UnScaleByZoom(ss->x, zoom) - _vd.vp->virtual_left;
01411 int y = UnScaleByZoom(ss->y, zoom) - _vd.vp->virtual_top;
01412 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01413
01414 SetDParam(0, ss->params[0]);
01415 SetDParam(1, ss->params[1]);
01416
01417 if (ss->colour != INVALID_COLOUR) {
01418
01419 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01420
01421
01422
01423 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01424
01425
01426 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01427 }
01428
01429
01430
01431 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01432 DrawFrameRect(
01433 x, y, x + w, y + h, ss->colour,
01434 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01435 );
01436 }
01437 }
01438 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01439 }
01440 }
01441
01442 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01443 {
01444 DrawPixelInfo *old_dpi = _cur_dpi;
01445 DrawPixelInfo tmp_dpi;
01446
01447 _cur_dpi = &_vd.dpi;
01448 _cur_dpi->zoom = vp->zoom;
01449
01450
01451 int x = left;
01452 int y = top;
01453
01454 left = left - vp->left;
01455 top = top - vp->top;
01456 right = right - vp->left;
01457 bottom = bottom - vp->top;
01458
01459 _vd.dpi.zoom = vp->zoom;
01460 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01461 _vd.dpi.width = (right - left) ;
01462 _vd.dpi.height = (bottom - top) ;
01463 _vd.dpi.left = left ;
01464 _vd.dpi.top = top ;
01465 _vd.dpi.pitch = old_dpi->pitch;
01466 _vd.last_child = NULL;
01467 _vd.vp = vp;
01468 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01469
01470 ViewportAddLandscape();
01471
01472 tmp_dpi = _vd.dpi;
01473 tmp_dpi.left = ScaleByZoom(vp->virtual_left, vp->zoom);
01474 tmp_dpi.top = ScaleByZoom(vp->virtual_top, vp->zoom);
01475 tmp_dpi.width = ScaleByZoom(vp->width, vp->zoom);
01476 tmp_dpi.height = ScaleByZoom(vp->height, vp->zoom);
01477
01478 ViewportAddVehicles(&tmp_dpi);
01479 DrawTextEffects(&tmp_dpi);
01480
01481 ViewportAddTownNames(&_vd.dpi);
01482 ViewportAddStationNames(&_vd.dpi);
01483 ViewportAddSigns(&_vd.dpi);
01484
01485 DrawTextEffects(&_vd.dpi);
01486
01487 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01488
01489 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01490 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01491 *_vd.parent_sprites_to_sort.Append() = it;
01492 }
01493
01494 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01495 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01496
01497 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01498
01499 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01500
01501 _cur_dpi = old_dpi;
01502
01503 _vd.string_sprites_to_draw.Clear();
01504 _vd.tile_sprites_to_draw.Clear();
01505 _vd.parent_sprites_to_draw.Clear();
01506 _vd.parent_sprites_to_sort.Clear();
01507 _vd.child_screen_sprites_to_draw.Clear();
01508 }
01509
01514 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01515 {
01516 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom)
01517 > 50000) {
01518 if ((bottom - top) > (right - left)) {
01519 int t = (top + bottom) >> 1;
01520 ViewportDrawChk(vp, left, top, right, t);
01521 ViewportDrawChk(vp, left, t, right, bottom);
01522 } else {
01523 int t = (left + right) >> 1;
01524 ViewportDrawChk(vp, left, top, t, bottom);
01525 ViewportDrawChk(vp, t, top, right, bottom);
01526 }
01527 } else {
01528 ViewportDoDraw(vp, left, top, right, bottom);
01529 }
01530 }
01531
01532 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01533 {
01534 if (right <= vp->left || bottom <= vp->top) return;
01535
01536 if (left >= vp->left + vp->width) return;
01537
01538 if (left < vp->left) left = vp->left;
01539 if (right > vp->left + vp->width) right = vp->left + vp->width;
01540
01541 if (top >= vp->top + vp->height) return;
01542
01543 if (top < vp->top) top = vp->top;
01544 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01545
01546 ViewportDrawChk(vp, left, top, right, bottom);
01547 }
01548
01552 void Window::DrawViewport() const
01553 {
01554 DrawPixelInfo *dpi = _cur_dpi;
01555
01556 dpi->left += this->left;
01557 dpi->top += this->top;
01558
01559 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01560
01561 dpi->left -= this->left;
01562 dpi->top -= this->top;
01563 }
01564
01565 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01566 {
01567
01568 x += vp->virtual_width / 2;
01569 y += vp->virtual_height / 2;
01570
01571
01572
01573 int vx = -x + y * 2;
01574 int vy = x + y * 2;
01575
01576
01577 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4);
01578 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4);
01579
01580
01581 x = (-vx + vy) / 2;
01582 y = ( vx + vy) / 4;
01583
01584
01585 x -= vp->virtual_width / 2;
01586 y -= vp->virtual_height / 2;
01587 }
01588
01593 void UpdateViewportPosition(Window *w)
01594 {
01595 const ViewPort *vp = w->viewport;
01596
01597 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01598 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01599 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01600
01601 w->viewport->scrollpos_x = pt.x;
01602 w->viewport->scrollpos_y = pt.y;
01603 SetViewportPosition(w, pt.x, pt.y);
01604 } else {
01605
01606 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01607
01608 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01609 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01610
01611 if (delta_x != 0 || delta_y != 0) {
01612 if (_settings_client.gui.smooth_scroll) {
01613 int max_scroll = ScaleByMapSize1D(512);
01614
01615 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01616 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01617 } else {
01618 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01619 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01620 }
01621 }
01622
01623 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01624
01625 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01626 }
01627 }
01628
01638 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01639 {
01640 left = UnScaleByZoom(left, vp->zoom);
01641 top = UnScaleByZoom(top, vp->zoom);
01642 right = UnScaleByZoom(right, vp->zoom);
01643 bottom = UnScaleByZoom(bottom, vp->zoom);
01644
01645 int vl = vp->virtual_left;
01646 int vt = vp->virtual_top;
01647 int w = vp->width;
01648 int h = vp->height;
01649
01650 left = max(0, left - vl);
01651 if (left >= w) return;
01652
01653 top = max(0, top - vt);
01654 if (top >= h ) return;
01655
01656 right -= vl;
01657 if (right <= 0) return;
01658
01659 bottom -= vt;
01660 if (bottom <= 0) return;
01661
01662 SetDirtyBlocks(left + vp->left, top + vp->top, right + vp->left, bottom + vp->top);
01663 }
01664
01673 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01674 {
01675 Window *w;
01676 FOR_ALL_WINDOWS_FROM_BACK(w) {
01677 ViewPort *vp = w->viewport;
01678 if (vp != NULL) {
01679 assert(vp->width != 0);
01680 MarkViewportDirty(vp, left, top, right, bottom);
01681 }
01682 }
01683 }
01684
01690 void MarkTileDirtyByTile(TileIndex tile)
01691 {
01692 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
01693 MarkAllViewportsDirty(
01694 pt.x - 31,
01695 pt.y - 122,
01696 pt.x - 31 + 67,
01697 pt.y - 122 + 154
01698 );
01699 }
01700
01708 static void SetSelectionTilesDirty()
01709 {
01710 int x_size = _thd.size.x;
01711 int y_size = _thd.size.y;
01712
01713 if (!_thd.diagonal) {
01714 int x_start = _thd.pos.x;
01715 int y_start = _thd.pos.y;
01716
01717 if (_thd.outersize.x != 0) {
01718 x_size += _thd.outersize.x;
01719 x_start += _thd.offs.x;
01720 y_size += _thd.outersize.y;
01721 y_start += _thd.offs.y;
01722 }
01723
01724 x_size -= TILE_SIZE;
01725 y_size -= TILE_SIZE;
01726
01727 assert(x_size >= 0);
01728 assert(y_size >= 0);
01729
01730 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01731 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01732
01733 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01734 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01735
01736
01737 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01738
01739
01740
01741
01742
01743
01744
01745
01746
01747
01748
01749
01750
01751
01752
01753
01754
01755
01756
01757 int top_x = x_end;
01758 int top_y = y_start;
01759 int bot_x = top_x;
01760 int bot_y = top_y;
01761
01762 do {
01763 Point top = RemapCoords2(top_x, top_y);
01764 Point bot = RemapCoords2(bot_x + TILE_SIZE - 1, bot_y + TILE_SIZE - 1);
01765
01766
01767
01768
01769 int l = top.x - (TILE_PIXELS - 2);
01770 int t = top.y;
01771 int r = top.x + (TILE_PIXELS - 2);
01772 int b = bot.y;
01773
01774 static const int OVERLAY_WIDTH = 4;
01775
01776
01777 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH);
01778
01779
01780 if (top_x != x_start) {
01781 top_x -= TILE_SIZE;
01782 } else {
01783 top_y += TILE_SIZE;
01784 }
01785
01786
01787 if (bot_y != y_end) {
01788 bot_y += TILE_SIZE;
01789 } else {
01790 bot_x -= TILE_SIZE;
01791 }
01792 } while (bot_x >= top_x);
01793 } else {
01794
01795 int a_size = x_size + y_size, b_size = x_size - y_size;
01796
01797 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01798 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01799
01800 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01801 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01802 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01803 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01804
01805 if (x < MapMaxX() && y < MapMaxY()) {
01806 MarkTileDirtyByTile(TileXY(x, y));
01807 }
01808 }
01809 }
01810 }
01811 }
01812
01813
01814 void SetSelectionRed(bool b)
01815 {
01816 _thd.make_square_red = b;
01817 SetSelectionTilesDirty();
01818 }
01819
01828 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01829 {
01830 bool small = (vp->zoom >= ZOOM_LVL_OUT_4X);
01831 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01832 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01833
01834 x = ScaleByZoom(x - vp->left + vp->virtual_left, vp->zoom);
01835 y = ScaleByZoom(y - vp->top + vp->virtual_top, vp->zoom);
01836
01837 return y >= sign->top && y < sign->top + sign_height &&
01838 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01839 }
01840
01841 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01842 {
01843 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01844
01845 const Town *t;
01846 FOR_ALL_TOWNS(t) {
01847 if (CheckClickOnViewportSign(vp, x, y, &t->sign)) {
01848 ShowTownViewWindow(t->index);
01849 return true;
01850 }
01851 }
01852
01853 return false;
01854 }
01855
01856 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01857 {
01858 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01859
01860 const BaseStation *st;
01861 FOR_ALL_BASE_STATIONS(st) {
01862
01863 bool is_station = Station::IsExpected(st);
01864
01865
01866 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01867
01868 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01869 if (is_station) {
01870 ShowStationViewWindow(st->index);
01871 } else {
01872 ShowWaypointWindow(Waypoint::From(st));
01873 }
01874 return true;
01875 }
01876 }
01877
01878 return false;
01879 }
01880
01881
01882 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01883 {
01884
01885 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01886
01887 const Sign *si;
01888 FOR_ALL_SIGNS(si) {
01889 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01890 HandleClickOnSign(si);
01891 return true;
01892 }
01893 }
01894
01895 return false;
01896 }
01897
01898
01899 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01900 {
01901 Point pt = TranslateXYToTileCoord(vp, x, y);
01902
01903 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01904 return true;
01905 }
01906
01907 static void PlaceObject()
01908 {
01909 Point pt;
01910 Window *w;
01911
01912 pt = GetTileBelowCursor();
01913 if (pt.x == -1) return;
01914
01915 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01916 pt.x += 8;
01917 pt.y += 8;
01918 }
01919
01920 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01921 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01922
01923 w = _thd.GetCallbackWnd();
01924 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01925 }
01926
01927
01928 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01929 {
01930 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01931
01932 if (_thd.place_mode & HT_VEHICLE) {
01933 if (v != NULL && VehicleClicked(v)) return true;
01934 }
01935
01936
01937 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
01938 PlaceObject();
01939 return true;
01940 }
01941
01942 if (CheckClickOnTown(vp, x, y)) return true;
01943 if (CheckClickOnStation(vp, x, y)) return true;
01944 if (CheckClickOnSign(vp, x, y)) return true;
01945 bool result = CheckClickOnLandscape(vp, x, y);
01946
01947 if (v != NULL) {
01948 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01949 if (IsCompanyBuildableVehicleType(v)) {
01950 v = v->First();
01951 if (_ctrl_pressed && v->owner == _local_company) {
01952 StartStopVehicle(v, true);
01953 } else {
01954 ShowVehicleViewWindow(v);
01955 }
01956 }
01957 return true;
01958 }
01959 return result;
01960 }
01961
01962
01972 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
01973 {
01974
01975 if (z == -1) z = GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
01976
01977 Point pt = MapXYZToViewport(w->viewport, x, y, z);
01978 w->viewport->follow_vehicle = INVALID_VEHICLE;
01979
01980 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
01981
01982 if (instant) {
01983 w->viewport->scrollpos_x = pt.x;
01984 w->viewport->scrollpos_y = pt.y;
01985 }
01986
01987 w->viewport->dest_scrollpos_x = pt.x;
01988 w->viewport->dest_scrollpos_y = pt.y;
01989 return true;
01990 }
01991
01999 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
02000 {
02001 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
02002 }
02003
02010 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
02011 {
02012 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
02013 }
02014
02019 void SetRedErrorSquare(TileIndex tile)
02020 {
02021 TileIndex old;
02022
02023 old = _thd.redsq;
02024 _thd.redsq = tile;
02025
02026 if (tile != old) {
02027 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
02028 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
02029 }
02030 }
02031
02037 void SetTileSelectSize(int w, int h)
02038 {
02039 _thd.new_size.x = w * TILE_SIZE;
02040 _thd.new_size.y = h * TILE_SIZE;
02041 _thd.new_outersize.x = 0;
02042 _thd.new_outersize.y = 0;
02043 }
02044
02045 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02046 {
02047 _thd.offs.x = ox * TILE_SIZE;
02048 _thd.offs.y = oy * TILE_SIZE;
02049 _thd.new_outersize.x = sx * TILE_SIZE;
02050 _thd.new_outersize.y = sy * TILE_SIZE;
02051 }
02052
02054 static HighLightStyle GetAutorailHT(int x, int y)
02055 {
02056 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02057 }
02058
02062 void TileHighlightData::Reset()
02063 {
02064 this->pos.x = 0;
02065 this->pos.y = 0;
02066 this->new_pos.x = 0;
02067 this->new_pos.y = 0;
02068 }
02069
02074 bool TileHighlightData::IsDraggingDiagonal()
02075 {
02076 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02077 }
02078
02083 Window *TileHighlightData::GetCallbackWnd()
02084 {
02085 return FindWindowById(this->window_class, this->window_number);
02086 }
02087
02088
02089
02097 void UpdateTileSelection()
02098 {
02099 int x1;
02100 int y1;
02101
02102 HighLightStyle new_drawstyle = HT_NONE;
02103 bool new_diagonal = false;
02104
02105 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02106 x1 = _thd.selend.x;
02107 y1 = _thd.selend.y;
02108 if (x1 != -1) {
02109 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02110 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02111 x1 &= ~TILE_UNIT_MASK;
02112 y1 &= ~TILE_UNIT_MASK;
02113
02114 if (_thd.IsDraggingDiagonal()) {
02115 new_diagonal = true;
02116 } else {
02117 if (x1 >= x2) Swap(x1, x2);
02118 if (y1 >= y2) Swap(y1, y2);
02119 }
02120 _thd.new_pos.x = x1;
02121 _thd.new_pos.y = y1;
02122 _thd.new_size.x = x2 - x1;
02123 _thd.new_size.y = y2 - y1;
02124 if (!new_diagonal) {
02125 _thd.new_size.x += TILE_SIZE;
02126 _thd.new_size.y += TILE_SIZE;
02127 }
02128 new_drawstyle = _thd.next_drawstyle;
02129 }
02130 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02131 Point pt = GetTileBelowCursor();
02132 x1 = pt.x;
02133 y1 = pt.y;
02134 if (x1 != -1) {
02135 switch (_thd.place_mode & HT_DRAG_MASK) {
02136 case HT_RECT:
02137 new_drawstyle = HT_RECT;
02138 break;
02139 case HT_POINT:
02140 new_drawstyle = HT_POINT;
02141 x1 += TILE_SIZE / 2;
02142 y1 += TILE_SIZE / 2;
02143 break;
02144 case HT_RAIL:
02145
02146 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02147 break;
02148 case HT_LINE:
02149 switch (_thd.place_mode & HT_DIR_MASK) {
02150 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02151 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02152
02153 case HT_DIR_HU:
02154 case HT_DIR_HL:
02155 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02156 break;
02157
02158 case HT_DIR_VL:
02159 case HT_DIR_VR:
02160 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02161 break;
02162
02163 default: NOT_REACHED();
02164 }
02165 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02166 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02167 break;
02168 default:
02169 NOT_REACHED();
02170 break;
02171 }
02172 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02173 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02174 }
02175 }
02176
02177
02178 if (_thd.drawstyle != new_drawstyle ||
02179 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02180 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02181 _thd.outersize.x != _thd.new_outersize.x ||
02182 _thd.outersize.y != _thd.new_outersize.y ||
02183 _thd.diagonal != new_diagonal) {
02184
02185 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02186
02187 _thd.drawstyle = new_drawstyle;
02188 _thd.pos = _thd.new_pos;
02189 _thd.size = _thd.new_size;
02190 _thd.outersize = _thd.new_outersize;
02191 _thd.diagonal = new_diagonal;
02192 _thd.dirty = 0xff;
02193
02194
02195 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02196 }
02197 }
02198
02206 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02207 {
02208 if (!_settings_client.gui.measure_tooltip) return;
02209 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02210 }
02211
02213 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02214 {
02215 _thd.select_method = method;
02216 _thd.select_proc = process;
02217 _thd.selend.x = TileX(tile) * TILE_SIZE;
02218 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02219 _thd.selend.y = TileY(tile) * TILE_SIZE;
02220 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02221
02222
02223
02224
02225 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02226 _thd.selend.x += TILE_SIZE / 2;
02227 _thd.selend.y += TILE_SIZE / 2;
02228 _thd.selstart.x += TILE_SIZE / 2;
02229 _thd.selstart.y += TILE_SIZE / 2;
02230 }
02231
02232 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02233 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02234 _thd.place_mode = HT_SPECIAL | others;
02235 _thd.next_drawstyle = HT_RECT | others;
02236 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02237 _thd.place_mode = HT_SPECIAL | others;
02238 _thd.next_drawstyle = _thd.drawstyle | others;
02239 } else {
02240 _thd.place_mode = HT_SPECIAL | others;
02241 _thd.next_drawstyle = HT_POINT | others;
02242 }
02243 _special_mouse_mode = WSM_SIZING;
02244 }
02245
02246 void VpSetPlaceSizingLimit(int limit)
02247 {
02248 _thd.sizelimit = limit;
02249 }
02250
02256 void VpSetPresizeRange(TileIndex from, TileIndex to)
02257 {
02258 uint64 distance = DistanceManhattan(from, to) + 1;
02259
02260 _thd.selend.x = TileX(to) * TILE_SIZE;
02261 _thd.selend.y = TileY(to) * TILE_SIZE;
02262 _thd.selstart.x = TileX(from) * TILE_SIZE;
02263 _thd.selstart.y = TileY(from) * TILE_SIZE;
02264 _thd.next_drawstyle = HT_RECT;
02265
02266
02267 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02268 }
02269
02270 static void VpStartPreSizing()
02271 {
02272 _thd.selend.x = -1;
02273 _special_mouse_mode = WSM_PRESIZE;
02274 }
02275
02280 static HighLightStyle Check2x1AutoRail(int mode)
02281 {
02282 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02283 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02284 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02285 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02286
02287 switch (mode) {
02288 default: NOT_REACHED();
02289 case 0:
02290 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02291 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02292 return HT_DIR_Y;
02293
02294 case 1:
02295 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02296 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02297 return HT_DIR_Y;
02298
02299 case 2:
02300 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02301 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02302 return HT_DIR_X;
02303
02304 case 3:
02305 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02306 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02307 return HT_DIR_X;
02308 }
02309 }
02310
02324 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02325 {
02326 uint start_x = TileX(start_tile);
02327 uint start_y = TileY(start_tile);
02328 uint end_x = TileX(end_tile);
02329 uint end_y = TileY(end_tile);
02330
02331 switch (style & HT_DRAG_MASK) {
02332 case HT_RAIL:
02333 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02334
02335 case HT_RECT:
02336 case HT_POINT: return (end_x != start_x && end_y < start_y);
02337 default: NOT_REACHED();
02338 }
02339
02340 return false;
02341 }
02342
02358 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02359 {
02360 bool swap = SwapDirection(style, start_tile, end_tile);
02361 uint h0, h1;
02362
02363 if (start_tile == end_tile) return 0;
02364 if (swap) Swap(start_tile, end_tile);
02365
02366 switch (style & HT_DRAG_MASK) {
02367 case HT_RECT: {
02368 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02369 {1, 0}, {0, 0},
02370 {0, 1}, {1, 1}
02371 };
02372
02373
02374
02375 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02376 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02377 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02378
02379 }
02380
02381 case HT_POINT:
02382 h0 = TileHeight(start_tile);
02383 h1 = TileHeight(end_tile);
02384 break;
02385 default: {
02386 static const HighLightStyle flip_style_direction[] = {
02387 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02388 };
02389 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02390 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02391 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02392 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02393
02394 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02395 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02396 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02397 };
02398
02399 distance %= 2;
02400 style &= HT_DIR_MASK;
02401
02402
02403
02404
02405
02406 if (swap && distance == 0) style = flip_style_direction[style];
02407
02408
02409 byte style_t = style * 2;
02410 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02411 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02412 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02413 h0 = max(h0, ht);
02414
02415
02416
02417 if (distance == 0) style_t = flip_style_direction[style] * 2;
02418 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02419 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02420 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02421 h1 = max(h1, ht);
02422 break;
02423 }
02424 }
02425
02426 if (swap) Swap(h0, h1);
02427 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02428 }
02429
02430 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02431
02438 static void CheckUnderflow(int &test, int &other, int mult)
02439 {
02440 if (test >= 0) return;
02441
02442 other += mult * test;
02443 test = 0;
02444 }
02445
02453 static void CheckOverflow(int &test, int &other, int max, int mult)
02454 {
02455 if (test <= max) return;
02456
02457 other += mult * (test - max);
02458 test = max;
02459 }
02460
02462 static void CalcRaildirsDrawstyle(int x, int y, int method)
02463 {
02464 HighLightStyle b;
02465
02466 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02467 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02468 uint w = abs(dx) + TILE_SIZE;
02469 uint h = abs(dy) + TILE_SIZE;
02470
02471 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02472
02473 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02474 int raw_dx = _thd.selstart.x - _thd.selend.x;
02475 int raw_dy = _thd.selstart.y - _thd.selend.y;
02476 switch (method) {
02477 case VPM_FIX_X:
02478 b = HT_LINE | HT_DIR_Y;
02479 x = _thd.selstart.x;
02480 break;
02481
02482 case VPM_FIX_Y:
02483 b = HT_LINE | HT_DIR_X;
02484 y = _thd.selstart.y;
02485 break;
02486
02487 case VPM_FIX_HORIZONTAL:
02488 if (dx == -dy) {
02489
02490
02491 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02492 } else {
02493
02494
02495 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02496
02497
02498
02499
02500 int offset = (raw_dx - raw_dy) / 2;
02501 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02502 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02503
02504
02505 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02506 if (dx + dy >= (int)TILE_SIZE) {
02507 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02508 } else {
02509 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02510 }
02511 }
02512
02513
02514 CheckUnderflow(x, y, 1);
02515 CheckUnderflow(y, x, 1);
02516 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02517 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02518 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02519 }
02520 break;
02521
02522 case VPM_FIX_VERTICAL:
02523 if (dx == dy) {
02524
02525
02526 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02527 } else {
02528
02529
02530 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02531
02532
02533
02534
02535 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02536 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02537 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02538
02539
02540 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02541 if (dx - dy < 0) {
02542 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02543 } else {
02544 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02545 }
02546 }
02547
02548
02549 CheckUnderflow(x, y, -1);
02550 CheckUnderflow(y, x, -1);
02551 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02552 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02553 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02554 }
02555 break;
02556
02557 default:
02558 NOT_REACHED();
02559 }
02560 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02561 if (method & VPM_RAILDIRS) {
02562 b = GetAutorailHT(x, y);
02563 } else {
02564 b = HT_RECT;
02565 }
02566 } else if (h == TILE_SIZE) {
02567 if (dx == (int)TILE_SIZE) {
02568 b = (Check2x1AutoRail(3)) | HT_LINE;
02569 } else if (dx == -(int)TILE_SIZE) {
02570 b = (Check2x1AutoRail(2)) | HT_LINE;
02571 } else {
02572 b = HT_LINE | HT_DIR_X;
02573 }
02574 y = _thd.selstart.y;
02575 } else if (w == TILE_SIZE) {
02576 if (dy == (int)TILE_SIZE) {
02577 b = (Check2x1AutoRail(1)) | HT_LINE;
02578 } else if (dy == -(int)TILE_SIZE) {
02579 b = (Check2x1AutoRail(0)) | HT_LINE;
02580 } else {
02581 b = HT_LINE | HT_DIR_Y;
02582 }
02583 x = _thd.selstart.x;
02584 } else if (w > h * 2) {
02585 b = HT_LINE | HT_DIR_X;
02586 y = _thd.selstart.y;
02587 } else if (h > w * 2) {
02588 b = HT_LINE | HT_DIR_Y;
02589 x = _thd.selstart.x;
02590 } else {
02591 int d = w - h;
02592 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
02593 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
02594
02595
02596 if (x > _thd.selstart.x) {
02597 if (y > _thd.selstart.y) {
02598
02599 if (d == 0) {
02600 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02601 } else if (d >= 0) {
02602 x = _thd.selstart.x + h;
02603 b = HT_LINE | HT_DIR_VL;
02604 } else {
02605 y = _thd.selstart.y + w;
02606 b = HT_LINE | HT_DIR_VR;
02607 }
02608 } else {
02609
02610 if (d == 0) {
02611 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02612 } else if (d >= 0) {
02613 x = _thd.selstart.x + h;
02614 b = HT_LINE | HT_DIR_HL;
02615 } else {
02616 y = _thd.selstart.y - w;
02617 b = HT_LINE | HT_DIR_HU;
02618 }
02619 }
02620 } else {
02621 if (y > _thd.selstart.y) {
02622
02623 if (d == 0) {
02624 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02625 } else if (d >= 0) {
02626 x = _thd.selstart.x - h;
02627 b = HT_LINE | HT_DIR_HU;
02628 } else {
02629 y = _thd.selstart.y + w;
02630 b = HT_LINE | HT_DIR_HL;
02631 }
02632 } else {
02633
02634 if (d == 0) {
02635 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02636 } else if (d >= 0) {
02637 x = _thd.selstart.x - h;
02638 b = HT_LINE | HT_DIR_VR;
02639 } else {
02640 y = _thd.selstart.y - w;
02641 b = HT_LINE | HT_DIR_VL;
02642 }
02643 }
02644 }
02645 }
02646
02647 if (_settings_client.gui.measure_tooltip) {
02648 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02649 TileIndex t1 = TileVirtXY(x, y);
02650 uint distance = DistanceManhattan(t0, t1) + 1;
02651 byte index = 0;
02652 uint64 params[2];
02653
02654 if (distance != 1) {
02655 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02656
02657
02658
02659 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02660 distance = CeilDiv(distance, 2);
02661 }
02662
02663 params[index++] = distance;
02664 if (heightdiff != 0) params[index++] = heightdiff;
02665 }
02666
02667 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02668 }
02669
02670 _thd.selend.x = x;
02671 _thd.selend.y = y;
02672 _thd.next_drawstyle = b;
02673 }
02674
02682 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02683 {
02684 int sx, sy;
02685 HighLightStyle style;
02686
02687 if (x == -1) {
02688 _thd.selend.x = -1;
02689 return;
02690 }
02691
02692
02693 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02694 _thd.selend.x = x;
02695 _thd.selend.y = y;
02696 CalcRaildirsDrawstyle(x, y, method);
02697 return;
02698 }
02699
02700
02701 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02702 x += TILE_SIZE / 2;
02703 y += TILE_SIZE / 2;
02704 }
02705
02706 sx = _thd.selstart.x;
02707 sy = _thd.selstart.y;
02708
02709 int limit = 0;
02710
02711 switch (method) {
02712 case VPM_X_OR_Y:
02713 if (abs(sy - y) < abs(sx - x)) {
02714 y = sy;
02715 style = HT_DIR_X;
02716 } else {
02717 x = sx;
02718 style = HT_DIR_Y;
02719 }
02720 goto calc_heightdiff_single_direction;
02721
02722 case VPM_X_LIMITED:
02723 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02724
02725
02726 case VPM_FIX_X:
02727 x = sx;
02728 style = HT_DIR_Y;
02729 goto calc_heightdiff_single_direction;
02730
02731 case VPM_Y_LIMITED:
02732 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02733
02734
02735 case VPM_FIX_Y:
02736 y = sy;
02737 style = HT_DIR_X;
02738
02739 calc_heightdiff_single_direction:;
02740 if (limit > 0) {
02741 x = sx + Clamp(x - sx, -limit, limit);
02742 y = sy + Clamp(y - sy, -limit, limit);
02743 }
02744 if (_settings_client.gui.measure_tooltip) {
02745 TileIndex t0 = TileVirtXY(sx, sy);
02746 TileIndex t1 = TileVirtXY(x, y);
02747 uint distance = DistanceManhattan(t0, t1) + 1;
02748 byte index = 0;
02749 uint64 params[2];
02750
02751 if (distance != 1) {
02752
02753
02754
02755
02756
02757 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02758
02759 params[index++] = distance;
02760 if (heightdiff != 0) params[index++] = heightdiff;
02761 }
02762
02763 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02764 }
02765 break;
02766
02767 case VPM_X_AND_Y_LIMITED:
02768 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02769 x = sx + Clamp(x - sx, -limit, limit);
02770 y = sy + Clamp(y - sy, -limit, limit);
02771
02772
02773 case VPM_X_AND_Y:
02774 if (_settings_client.gui.measure_tooltip) {
02775 static const StringID measure_strings_area[] = {
02776 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02777 };
02778
02779 TileIndex t0 = TileVirtXY(sx, sy);
02780 TileIndex t1 = TileVirtXY(x, y);
02781 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02782 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02783 byte index = 0;
02784 uint64 params[3];
02785
02786
02787
02788 style = (HighLightStyle)_thd.next_drawstyle;
02789 if (_thd.IsDraggingDiagonal()) {
02790
02791
02792
02793
02794
02795
02796
02797
02798
02799
02800 int dist_x = TileX(t0) - TileX(t1);
02801 int dist_y = TileY(t0) - TileY(t1);
02802 int a_max = dist_x + dist_y;
02803 int b_max = dist_y - dist_x;
02804
02805
02806
02807 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02808 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02809
02810
02811
02812
02813
02814 if (a_max != 1 || b_max != 1) {
02815 dx = a_max;
02816 dy = b_max;
02817 }
02818 } else if (style & HT_RECT) {
02819 if (dx == 1) {
02820 style = HT_LINE | HT_DIR_Y;
02821 } else if (dy == 1) {
02822 style = HT_LINE | HT_DIR_X;
02823 }
02824 }
02825
02826 if (t0 != 1 || t1 != 1) {
02827 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02828
02829 params[index++] = dx;
02830 params[index++] = dy;
02831 if (heightdiff != 0) params[index++] = heightdiff;
02832 }
02833
02834 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02835 }
02836 break;
02837
02838 default: NOT_REACHED();
02839 }
02840
02841 _thd.selend.x = x;
02842 _thd.selend.y = y;
02843 }
02844
02849 EventState VpHandlePlaceSizingDrag()
02850 {
02851 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02852
02853
02854 Window *w = _thd.GetCallbackWnd();
02855 if (w == NULL) {
02856 ResetObjectToPlace();
02857 return ES_HANDLED;
02858 }
02859
02860
02861 if (_left_button_down) {
02862 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02863 return ES_HANDLED;
02864 }
02865
02866
02867
02868 _special_mouse_mode = WSM_NONE;
02869 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02870 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02871 _thd.place_mode = HT_RECT | others;
02872 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02873 _thd.place_mode = HT_RECT | others;
02874 } else if (_thd.select_method & VPM_RAILDIRS) {
02875 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02876 } else {
02877 _thd.place_mode = HT_POINT | others;
02878 }
02879 SetTileSelectSize(1, 1);
02880
02881 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02882
02883 return ES_HANDLED;
02884 }
02885
02886 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02887 {
02888 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02889 }
02890
02891 #include "table/animcursors.h"
02892
02893 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02894 {
02895 if (_thd.window_class != WC_INVALID) {
02896
02897 Window *w = _thd.GetCallbackWnd();
02898
02899
02900
02901
02902
02903 _thd.window_class = WC_INVALID;
02904 if (w != NULL) w->OnPlaceObjectAbort();
02905 }
02906
02907 SetTileSelectSize(1, 1);
02908
02909 _thd.make_square_red = false;
02910
02911 if (mode == HT_DRAG) {
02912 mode = HT_NONE;
02913 _special_mouse_mode = WSM_DRAGDROP;
02914 } else {
02915 _special_mouse_mode = WSM_NONE;
02916 }
02917
02918 _thd.place_mode = mode;
02919 _thd.window_class = window_class;
02920 _thd.window_number = window_num;
02921
02922 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
02923 VpStartPreSizing();
02924 }
02925
02926 if ((icon & ANIMCURSOR_FLAG) != 0) {
02927 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02928 } else {
02929 SetMouseCursor(icon, pal);
02930 }
02931
02932 }
02933
02934 void ResetObjectToPlace()
02935 {
02936 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02937 }