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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 #include "table/palettes.h"
00052
00053 Point _tile_fract_coords;
00054
00055 struct StringSpriteToDraw {
00056 StringID string;
00057 Colours colour;
00058 int32 x;
00059 int32 y;
00060 uint64 params[2];
00061 uint16 width;
00062 };
00063
00064 struct TileSpriteToDraw {
00065 SpriteID image;
00066 PaletteID pal;
00067 const SubSprite *sub;
00068 int32 x;
00069 int32 y;
00070 };
00071
00072 struct ChildScreenSpriteToDraw {
00073 SpriteID image;
00074 PaletteID pal;
00075 const SubSprite *sub;
00076 int32 x;
00077 int32 y;
00078 int next;
00079 };
00080
00082 struct ParentSpriteToDraw {
00083 SpriteID image;
00084 PaletteID pal;
00085 const SubSprite *sub;
00086
00087 int32 x;
00088 int32 y;
00089
00090 int32 left;
00091 int32 top;
00092
00093 int32 xmin;
00094 int32 xmax;
00095 int32 ymin;
00096 int32 ymax;
00097 int zmin;
00098 int zmax;
00099
00100 int first_child;
00101 bool comparison_done;
00102 };
00103
00105 enum FoundationPart {
00106 FOUNDATION_PART_NONE = 0xFF,
00107 FOUNDATION_PART_NORMAL = 0,
00108 FOUNDATION_PART_HALFTILE = 1,
00109 FOUNDATION_PART_END
00110 };
00111
00116 enum SpriteCombineMode {
00117 SPRITE_COMBINE_NONE,
00118 SPRITE_COMBINE_PENDING,
00119 SPRITE_COMBINE_ACTIVE,
00120 };
00121
00122 typedef SmallVector<TileSpriteToDraw, 64> TileSpriteToDrawVector;
00123 typedef SmallVector<StringSpriteToDraw, 4> StringSpriteToDrawVector;
00124 typedef SmallVector<ParentSpriteToDraw, 64> ParentSpriteToDrawVector;
00125 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
00126 typedef SmallVector<ChildScreenSpriteToDraw, 16> ChildScreenSpriteToDrawVector;
00127
00129 struct ViewportDrawer {
00130 DrawPixelInfo dpi;
00131
00132 StringSpriteToDrawVector string_sprites_to_draw;
00133 TileSpriteToDrawVector tile_sprites_to_draw;
00134 ParentSpriteToDrawVector parent_sprites_to_draw;
00135 ParentSpriteToSortVector parent_sprites_to_sort;
00136 ChildScreenSpriteToDrawVector child_screen_sprites_to_draw;
00137
00138 int *last_child;
00139
00140 SpriteCombineMode combine_sprites;
00141
00142 int foundation[FOUNDATION_PART_END];
00143 FoundationPart foundation_part;
00144 int *last_foundation_child[FOUNDATION_PART_END];
00145 Point foundation_offset[FOUNDATION_PART_END];
00146 };
00147
00148 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom);
00149
00150 static ViewportDrawer _vd;
00151
00152 TileHighlightData _thd;
00153 static TileInfo *_cur_ti;
00154 bool _draw_bounding_boxes = false;
00155 bool _draw_dirty_blocks = false;
00156 uint _dirty_block_colour = 0;
00157
00158 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00159 {
00160 Point p = RemapCoords(x, y, z);
00161 p.x -= vp->virtual_width / 2;
00162 p.y -= vp->virtual_height / 2;
00163 return p;
00164 }
00165
00166 void DeleteWindowViewport(Window *w)
00167 {
00168 free(w->viewport);
00169 w->viewport = NULL;
00170 }
00171
00184 void InitializeWindowViewport(Window *w, int x, int y,
00185 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00186 {
00187 assert(w->viewport == NULL);
00188
00189 ViewportData *vp = CallocT<ViewportData>(1);
00190
00191 vp->left = x + w->left;
00192 vp->top = y + w->top;
00193 vp->width = width;
00194 vp->height = height;
00195
00196 vp->zoom = static_cast<ZoomLevel>(Clamp(zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
00197
00198 vp->virtual_width = ScaleByZoom(width, zoom);
00199 vp->virtual_height = ScaleByZoom(height, zoom);
00200
00201 Point pt;
00202
00203 if (follow_flags & 0x80000000) {
00204 const Vehicle *veh;
00205
00206 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFFF);
00207 veh = Vehicle::Get(vp->follow_vehicle);
00208 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00209 } else {
00210 uint x = TileX(follow_flags) * TILE_SIZE;
00211 uint y = TileY(follow_flags) * TILE_SIZE;
00212
00213 vp->follow_vehicle = INVALID_VEHICLE;
00214 pt = MapXYZToViewport(vp, x, y, GetSlopePixelZ(x, y));
00215 }
00216
00217 vp->scrollpos_x = pt.x;
00218 vp->scrollpos_y = pt.y;
00219 vp->dest_scrollpos_x = pt.x;
00220 vp->dest_scrollpos_y = pt.y;
00221
00222 vp->overlay = NULL;
00223
00224 w->viewport = vp;
00225 vp->virtual_left = 0;
00226 vp->virtual_top = 0;
00227 }
00228
00229 static Point _vp_move_offs;
00230
00231 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00232 {
00233 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00234 if (left + width > w->left &&
00235 w->left + w->width > left &&
00236 top + height > w->top &&
00237 w->top + w->height > top) {
00238
00239 if (left < w->left) {
00240 DoSetViewportPosition(w, left, top, w->left - left, height);
00241 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00242 return;
00243 }
00244
00245 if (left + width > w->left + w->width) {
00246 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00247 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00248 return;
00249 }
00250
00251 if (top < w->top) {
00252 DoSetViewportPosition(w, left, top, width, (w->top - top));
00253 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00254 return;
00255 }
00256
00257 if (top + height > w->top + w->height) {
00258 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00259 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00260 return;
00261 }
00262
00263 return;
00264 }
00265 }
00266
00267 {
00268 int xo = _vp_move_offs.x;
00269 int yo = _vp_move_offs.y;
00270
00271 if (abs(xo) >= width || abs(yo) >= height) {
00272
00273 RedrawScreenRect(left, top, left + width, top + height);
00274 return;
00275 }
00276
00277 GfxScroll(left, top, width, height, xo, yo);
00278
00279 if (xo > 0) {
00280 RedrawScreenRect(left, top, xo + left, top + height);
00281 left += xo;
00282 width -= xo;
00283 } else if (xo < 0) {
00284 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00285 width += xo;
00286 }
00287
00288 if (yo > 0) {
00289 RedrawScreenRect(left, top, width + left, top + yo);
00290 } else if (yo < 0) {
00291 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00292 }
00293 }
00294 }
00295
00296 static void SetViewportPosition(Window *w, int x, int y)
00297 {
00298 ViewPort *vp = w->viewport;
00299 int old_left = vp->virtual_left;
00300 int old_top = vp->virtual_top;
00301 int i;
00302 int left, top, width, height;
00303
00304 vp->virtual_left = x;
00305 vp->virtual_top = y;
00306
00307
00308
00309
00310 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00311 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00312 x = UnScaleByZoomLower(x, vp->zoom);
00313 y = UnScaleByZoomLower(y, vp->zoom);
00314
00315 old_left -= x;
00316 old_top -= y;
00317
00318 if (old_top == 0 && old_left == 0) return;
00319
00320 _vp_move_offs.x = old_left;
00321 _vp_move_offs.y = old_top;
00322
00323 left = vp->left;
00324 top = vp->top;
00325 width = vp->width;
00326 height = vp->height;
00327
00328 if (left < 0) {
00329 width += left;
00330 left = 0;
00331 }
00332
00333 i = left + width - _screen.width;
00334 if (i >= 0) width -= i;
00335
00336 if (width > 0) {
00337 if (top < 0) {
00338 height += top;
00339 top = 0;
00340 }
00341
00342 i = top + height - _screen.height;
00343 if (i >= 0) height -= i;
00344
00345 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00346 }
00347 }
00348
00357 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00358 {
00359 ViewPort *vp = w->viewport;
00360
00361 if (vp != NULL &&
00362 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00363 IsInsideMM(y, vp->top, vp->top + vp->height))
00364 return vp;
00365
00366 return NULL;
00367 }
00368
00376 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00377 {
00378 Point pt;
00379 int a, b;
00380 int z;
00381
00382 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00383 (uint)(y -= vp->top) >= (uint)vp->height) {
00384 Point pt = {-1, -1};
00385 return pt;
00386 }
00387
00388 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> (2 + ZOOM_LVL_SHIFT);
00389 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> (1 + ZOOM_LVL_SHIFT);
00390
00391 a = y - x;
00392 b = y + x;
00393
00394
00395
00396
00397 a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00398 b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00399
00400
00401
00402
00403
00404
00405
00406
00407 z = 0;
00408
00409 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00410
00411 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;
00412 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;
00413 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;
00414
00415 pt.x = Clamp(a + z, min_coord, MapMaxX() * TILE_SIZE - 1);
00416 pt.y = Clamp(b + z, min_coord, MapMaxY() * TILE_SIZE - 1);
00417
00418 return pt;
00419 }
00420
00421
00422
00423
00424 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00425 {
00426 Window *w;
00427 ViewPort *vp;
00428 Point pt;
00429
00430 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00431 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00432 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00433
00434 pt.y = pt.x = -1;
00435 return pt;
00436 }
00437
00438 Point GetTileBelowCursor()
00439 {
00440 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00441 }
00442
00443
00444 Point GetTileZoomCenterWindow(bool in, Window * w)
00445 {
00446 int x, y;
00447 ViewPort *vp = w->viewport;
00448
00449 if (in) {
00450 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00451 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00452 } else {
00453 x = vp->width - (_cursor.pos.x - vp->left);
00454 y = vp->height - (_cursor.pos.y - vp->top);
00455 }
00456
00457 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00458 }
00459
00468 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00469 {
00470 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom <= _settings_client.gui.zoom_min);
00471 w->SetWidgetDirty(widget_zoom_in);
00472
00473 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom >= _settings_client.gui.zoom_max);
00474 w->SetWidgetDirty(widget_zoom_out);
00475 }
00476
00489 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)
00490 {
00491 assert((image & SPRITE_MASK) < MAX_SPRITES);
00492
00493 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00494 ts->image = image;
00495 ts->pal = pal;
00496 ts->sub = sub;
00497 Point pt = RemapCoords(x, y, z);
00498 ts->x = pt.x + extra_offs_x;
00499 ts->y = pt.y + extra_offs_y;
00500 }
00501
00514 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00515 {
00516 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00517 assert(_vd.foundation[foundation_part] != -1);
00518 Point offs = _vd.foundation_offset[foundation_part];
00519
00520
00521 int *old_child = _vd.last_child;
00522 _vd.last_child = _vd.last_foundation_child[foundation_part];
00523
00524 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub, false);
00525
00526
00527 _vd.last_child = old_child;
00528 }
00529
00543 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00544 {
00545
00546 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00547
00548 if (_vd.foundation[_vd.foundation_part] != -1) {
00549 Point pt = RemapCoords(x, y, z);
00550 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x * ZOOM_LVL_BASE, pt.y + extra_offs_y * ZOOM_LVL_BASE);
00551 } else {
00552 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);
00553 }
00554 }
00555
00566 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00567 {
00568 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00569 }
00570
00578 void OffsetGroundSprite(int x, int y)
00579 {
00580
00581 switch (_vd.foundation_part) {
00582 case FOUNDATION_PART_NONE:
00583 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00584 break;
00585 case FOUNDATION_PART_NORMAL:
00586 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00587 break;
00588 default: NOT_REACHED();
00589 }
00590
00591
00592 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00593
00594 _vd.foundation_offset[_vd.foundation_part].x = x * ZOOM_LVL_BASE;
00595 _vd.foundation_offset[_vd.foundation_part].y = y * ZOOM_LVL_BASE;
00596 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00597 }
00598
00610 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, int z, const SubSprite *sub)
00611 {
00612 Point pt = RemapCoords(x, y, z);
00613 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00614
00615 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00616 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00617 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00618 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00619 return;
00620
00621 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00622 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub, false);
00623 }
00624
00650 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)
00651 {
00652 int32 left, right, top, bottom;
00653
00654 assert((image & SPRITE_MASK) < MAX_SPRITES);
00655
00656
00657 if (transparent) {
00658 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00659 pal = PALETTE_TO_TRANSPARENT;
00660 }
00661
00662 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00663 AddCombinedSprite(image, pal, x, y, z, sub);
00664 return;
00665 }
00666
00667 _vd.last_child = NULL;
00668
00669 Point pt = RemapCoords(x, y, z);
00670 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00671
00672
00673 if (image == SPR_EMPTY_BOUNDING_BOX) {
00674 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00675 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00676 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00677 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00678 } else {
00679 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00680 left = tmp_left = (pt.x += spr->x_offs);
00681 right = (pt.x + spr->width );
00682 top = tmp_top = (pt.y += spr->y_offs);
00683 bottom = (pt.y + spr->height);
00684 }
00685
00686 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00687
00688 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00689 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00690 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00691 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00692 }
00693
00694
00695 if (left >= _vd.dpi.left + _vd.dpi.width ||
00696 right <= _vd.dpi.left ||
00697 top >= _vd.dpi.top + _vd.dpi.height ||
00698 bottom <= _vd.dpi.top) {
00699 return;
00700 }
00701
00702 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00703 ps->x = tmp_x;
00704 ps->y = tmp_y;
00705
00706 ps->left = tmp_left;
00707 ps->top = tmp_top;
00708
00709 ps->image = image;
00710 ps->pal = pal;
00711 ps->sub = sub;
00712 ps->xmin = x + bb_offset_x;
00713 ps->xmax = x + max(bb_offset_x, w) - 1;
00714
00715 ps->ymin = y + bb_offset_y;
00716 ps->ymax = y + max(bb_offset_y, h) - 1;
00717
00718 ps->zmin = z + bb_offset_z;
00719 ps->zmax = z + max(bb_offset_z, dz) - 1;
00720
00721 ps->comparison_done = false;
00722 ps->first_child = -1;
00723
00724 _vd.last_child = &ps->first_child;
00725
00726 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00727 }
00728
00747 void StartSpriteCombine()
00748 {
00749 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00750 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00751 }
00752
00757 void EndSpriteCombine()
00758 {
00759 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00760 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00761 }
00762
00772 static bool IsInRangeInclusive(int begin, int end, int check)
00773 {
00774 if (begin > end) Swap(begin, end);
00775 return begin <= check && check <= end;
00776 }
00777
00784 bool IsInsideRotatedRectangle(int x, int y)
00785 {
00786 int dist_a = (_thd.size.x + _thd.size.y);
00787 int dist_b = (_thd.size.x - _thd.size.y);
00788 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00789 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00790
00791
00792 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00793 }
00794
00805 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub, bool scale)
00806 {
00807 assert((image & SPRITE_MASK) < MAX_SPRITES);
00808
00809
00810 if (_vd.last_child == NULL) return;
00811
00812
00813 if (transparent) {
00814 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00815 pal = PALETTE_TO_TRANSPARENT;
00816 }
00817
00818 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00819
00820 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00821 cs->image = image;
00822 cs->pal = pal;
00823 cs->sub = sub;
00824 cs->x = scale ? x * ZOOM_LVL_BASE : x;
00825 cs->y = scale ? y * ZOOM_LVL_BASE : y;
00826 cs->next = -1;
00827
00828
00829
00830
00831 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00832 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00833 _vd.last_child = &cs->next;
00834 }
00835
00836 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00837 {
00838 assert(width != 0);
00839 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00840 ss->string = string;
00841 ss->x = x;
00842 ss->y = y;
00843 ss->params[0] = params_1;
00844 ss->params[1] = params_2;
00845 ss->width = width;
00846 ss->colour = colour;
00847 }
00848
00849
00861 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00862 {
00863
00864 if (_vd.foundation[foundation_part] == -1) {
00865
00866 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00867 } else {
00868
00869 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset * ZOOM_LVL_BASE);
00870 }
00871 }
00872
00879 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00880 {
00881 if (!IsValidTile(ti->tile)) return;
00882
00883 SpriteID sel;
00884 if (IsHalftileSlope(ti->tileh)) {
00885 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00886 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00887 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00888
00889 Corner opposite_corner = OppositeCorner(halftile_corner);
00890 if (IsSteepSlope(ti->tileh)) {
00891 sel = SPR_HALFTILE_SELECTION_DOWN;
00892 } else {
00893 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00894 }
00895 sel += opposite_corner;
00896 } else {
00897 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00898 }
00899 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00900 }
00901
00902 static bool IsPartOfAutoLine(int px, int py)
00903 {
00904 px -= _thd.selstart.x;
00905 py -= _thd.selstart.y;
00906
00907 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_LINE) return false;
00908
00909 switch (_thd.drawstyle & HT_DIR_MASK) {
00910 case HT_DIR_X: return py == 0;
00911 case HT_DIR_Y: return px == 0;
00912 case HT_DIR_HU: return px == -py || px == -py - 16;
00913 case HT_DIR_HL: return px == -py || px == -py + 16;
00914 case HT_DIR_VL: return px == py || px == py + 16;
00915 case HT_DIR_VR: return px == py || px == py - 16;
00916 default:
00917 NOT_REACHED();
00918 }
00919 }
00920
00921
00922 static const HighLightStyle _autorail_type[6][2] = {
00923 { HT_DIR_X, HT_DIR_X },
00924 { HT_DIR_Y, HT_DIR_Y },
00925 { HT_DIR_HU, HT_DIR_HL },
00926 { HT_DIR_HL, HT_DIR_HU },
00927 { HT_DIR_VL, HT_DIR_VR },
00928 { HT_DIR_VR, HT_DIR_VL }
00929 };
00930
00931 #include "table/autorail.h"
00932
00939 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00940 {
00941 SpriteID image;
00942 PaletteID pal;
00943 int offset;
00944
00945 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00946 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00947 if (IsHalftileSlope(ti->tileh)) {
00948 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00949 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00950 if (autorail_type != _lower_rail[halftile_corner]) {
00951 foundation_part = FOUNDATION_PART_HALFTILE;
00952
00953 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00954 }
00955 }
00956
00957 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00958 if (offset >= 0) {
00959 image = SPR_AUTORAIL_BASE + offset;
00960 pal = PAL_NONE;
00961 } else {
00962 image = SPR_AUTORAIL_BASE - offset;
00963 pal = PALETTE_SEL_TILE_RED;
00964 }
00965
00966 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00967 }
00968
00973 static void DrawTileSelection(const TileInfo *ti)
00974 {
00975
00976 bool is_redsq = _thd.redsq == ti->tile;
00977 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00978
00979
00980 if ((_thd.drawstyle & HT_DRAG_MASK) == HT_NONE) return;
00981
00982 if (_thd.diagonal) {
00983 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) goto draw_inner;
00984 return;
00985 }
00986
00987
00988 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00989 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00990 draw_inner:
00991 if (_thd.drawstyle & HT_RECT) {
00992 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00993 } else if (_thd.drawstyle & HT_POINT) {
00994
00995 int z = 0;
00996 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00997 if (ti->tileh & SLOPE_N) {
00998 z += TILE_HEIGHT;
00999 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
01000 }
01001 if (IsHalftileSlope(ti->tileh)) {
01002 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
01003 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
01004 if (halftile_corner != CORNER_S) {
01005 foundation_part = FOUNDATION_PART_HALFTILE;
01006 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
01007 }
01008 }
01009 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01010 } else if (_thd.drawstyle & HT_RAIL) {
01011
01012 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01013 assert(type < HT_DIR_END);
01014 DrawAutorailSelection(ti, _autorail_type[type][0]);
01015 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01016
01017 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01018 uint side;
01019
01020 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01021 side = 0;
01022 } else {
01023 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01024 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01025 }
01026
01027 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01028 }
01029 return;
01030 }
01031
01032
01033 if (!is_redsq && _thd.outersize.x > 0 &&
01034 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01035 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01036
01037 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01038 return;
01039 }
01040 }
01041
01042 static void ViewportAddLandscape()
01043 {
01044 int x, y, width, height;
01045 TileInfo ti;
01046 bool direction;
01047
01048 _cur_ti = &ti;
01049
01050
01051 x = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) - (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT))) & ~TILE_UNIT_MASK;
01052 y = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) + (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT)) - TILE_SIZE) & ~TILE_UNIT_MASK;
01053
01054
01055 {
01056 Point pt = RemapCoords(x, y, 241);
01057 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 95 * ZOOM_LVL_BASE) >> (6 + ZOOM_LVL_SHIFT);
01058 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> (5 + ZOOM_LVL_SHIFT) << 1;
01059 }
01060
01061 assert(width > 0);
01062 assert(height > 0);
01063
01064 direction = false;
01065
01066 do {
01067 int width_cur = width;
01068 uint x_cur = x;
01069 uint y_cur = y;
01070
01071 do {
01072 TileType tt = MP_VOID;
01073
01074 ti.x = x_cur;
01075 ti.y = y_cur;
01076
01077 ti.z = 0;
01078
01079 ti.tileh = SLOPE_FLAT;
01080 ti.tile = INVALID_TILE;
01081
01082 if (x_cur < MapMaxX() * TILE_SIZE &&
01083 y_cur < MapMaxY() * TILE_SIZE) {
01084 TileIndex tile = TileVirtXY(x_cur, y_cur);
01085
01086 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01087 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01088 uint maxh = max<uint>(TileHeight(tile), 1);
01089 for (uint h = 0; h < maxh; h++) {
01090 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01091 }
01092 }
01093
01094 ti.tile = tile;
01095 ti.tileh = GetTilePixelSlope(tile, &ti.z);
01096 tt = GetTileType(tile);
01097 }
01098 }
01099
01100 _vd.foundation_part = FOUNDATION_PART_NONE;
01101 _vd.foundation[0] = -1;
01102 _vd.foundation[1] = -1;
01103 _vd.last_foundation_child[0] = NULL;
01104 _vd.last_foundation_child[1] = NULL;
01105
01106 _tile_type_procs[tt]->draw_tile_proc(&ti);
01107
01108 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01109 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01110 TileIndex tile = TileVirtXY(x_cur, y_cur);
01111 ti.tile = tile;
01112 ti.tileh = GetTilePixelSlope(tile, &ti.z);
01113 tt = GetTileType(tile);
01114 }
01115 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01116
01117 y_cur += 0x10;
01118 x_cur -= 0x10;
01119 } while (--width_cur);
01120
01121 if ((direction ^= 1) != 0) {
01122 y += 0x10;
01123 } else {
01124 x += 0x10;
01125 }
01126 } while (--height);
01127 }
01128
01139 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)
01140 {
01141 bool small = dpi->zoom >= small_from;
01142
01143 int left = dpi->left;
01144 int top = dpi->top;
01145 int right = left + dpi->width;
01146 int bottom = top + dpi->height;
01147
01148 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01149 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01150
01151 if (bottom < sign->top ||
01152 top > sign->top + sign_height ||
01153 right < sign->center - sign_half_width ||
01154 left > sign->center + sign_half_width) {
01155 return;
01156 }
01157
01158 if (!small) {
01159 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01160 } else {
01161 int shadow_offset = 0;
01162 if (string_small_shadow != STR_NULL) {
01163 shadow_offset = 4;
01164 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01165 }
01166 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01167 colour, sign->width_small | 0x8000);
01168 }
01169 }
01170
01171 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01172 {
01173 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01174
01175 const Town *t;
01176 FOR_ALL_TOWNS(t) {
01177 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &t->cache.sign,
01178 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01179 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01180 t->index, t->cache.population);
01181 }
01182 }
01183
01184
01185 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01186 {
01187 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01188
01189 const BaseStation *st;
01190 FOR_ALL_BASE_STATIONS(st) {
01191
01192 bool is_station = Station::IsExpected(st);
01193
01194
01195 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01196
01197
01198 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01199
01200 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &st->sign,
01201 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01202 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01203 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01204 }
01205 }
01206
01207
01208 static void ViewportAddSigns(DrawPixelInfo *dpi)
01209 {
01210
01211 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01212
01213 const Sign *si;
01214 FOR_ALL_SIGNS(si) {
01215
01216
01217
01218 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner && si->owner != OWNER_DEITY) continue;
01219
01220 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &si->sign,
01221 STR_WHITE_SIGN,
01222 (IsTransparencySet(TO_SIGNS) || si->owner == OWNER_DEITY) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01223 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : (si->owner == OWNER_DEITY ? INVALID_COLOUR : _company_colours[si->owner]));
01224 }
01225 }
01226
01233 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01234 {
01235 if (this->width_normal != 0) this->MarkDirty();
01236
01237 this->top = top;
01238
01239 char buffer[DRAW_STRING_BUFFER];
01240
01241 GetString(buffer, str, lastof(buffer));
01242 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01243 this->center = center;
01244
01245
01246 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01247
01248 this->MarkDirty();
01249 }
01250
01257 void ViewportSign::MarkDirty(ZoomLevel maxzoom) const
01258 {
01259 Rect zoomlevels[ZOOM_LVL_COUNT];
01260
01261 for (ZoomLevel zoom = ZOOM_LVL_BEGIN; zoom != ZOOM_LVL_END; zoom++) {
01262
01263 zoomlevels[zoom].left = this->center - ScaleByZoom(this->width_normal / 2 + 1, zoom);
01264 zoomlevels[zoom].top = this->top - ScaleByZoom(1, zoom);
01265 zoomlevels[zoom].right = this->center + ScaleByZoom(this->width_normal / 2 + 1, zoom);
01266 zoomlevels[zoom].bottom = this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, zoom);
01267 }
01268
01269 Window *w;
01270 FOR_ALL_WINDOWS_FROM_BACK(w) {
01271 ViewPort *vp = w->viewport;
01272 if (vp != NULL && vp->zoom <= maxzoom) {
01273 assert(vp->width != 0);
01274 Rect &zl = zoomlevels[vp->zoom];
01275 MarkViewportDirty(vp, zl.left, zl.top, zl.right, zl.bottom);
01276 }
01277 }
01278 }
01279
01280 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01281 {
01282 const TileSpriteToDraw *tsend = tstdv->End();
01283 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01284 DrawSpriteViewport(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01285 }
01286 }
01287
01289 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01290 {
01291 ParentSpriteToDraw **psdvend = psdv->End();
01292 ParentSpriteToDraw **psd = psdv->Begin();
01293 while (psd != psdvend) {
01294 ParentSpriteToDraw *ps = *psd;
01295
01296 if (ps->comparison_done) {
01297 psd++;
01298 continue;
01299 }
01300
01301 ps->comparison_done = true;
01302
01303 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01304 ParentSpriteToDraw *ps2 = *psd2;
01305
01306 if (ps2->comparison_done) continue;
01307
01308
01309
01310
01311 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01312 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01313 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01314
01315
01316
01317
01318
01319
01320 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01321 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01322 continue;
01323 }
01324 } else {
01325
01326
01327
01328
01329 if (ps->xmax < ps2->xmin ||
01330 ps->ymax < ps2->ymin ||
01331 ps->zmax < ps2->zmin) {
01332 continue;
01333 }
01334 }
01335
01336
01337 ParentSpriteToDraw *temp = ps2;
01338 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01339 *psd3 = *(psd3 - 1);
01340 }
01341 *psd = temp;
01342 }
01343 }
01344 }
01345
01346 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01347 {
01348 const ParentSpriteToDraw * const *psd_end = psd->End();
01349 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01350 const ParentSpriteToDraw *ps = *it;
01351 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSpriteViewport(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01352
01353 int child_idx = ps->first_child;
01354 while (child_idx >= 0) {
01355 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01356 child_idx = cs->next;
01357 DrawSpriteViewport(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01358 }
01359 }
01360 }
01361
01366 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01367 {
01368 const ParentSpriteToDraw * const *psd_end = psd->End();
01369 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01370 const ParentSpriteToDraw *ps = *it;
01371 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01372 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01373 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01374 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01375
01376 DrawBox( pt1.x, pt1.y,
01377 pt2.x - pt1.x, pt2.y - pt1.y,
01378 pt3.x - pt1.x, pt3.y - pt1.y,
01379 pt4.x - pt1.x, pt4.y - pt1.y);
01380 }
01381 }
01382
01386 static void ViewportDrawDirtyBlocks()
01387 {
01388 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01389 const DrawPixelInfo *dpi = _cur_dpi;
01390 void *dst;
01391 int right = UnScaleByZoom(dpi->width, dpi->zoom);
01392 int bottom = UnScaleByZoom(dpi->height, dpi->zoom);
01393
01394 int colour = _string_colourmap[_dirty_block_colour & 0xF];
01395
01396 dst = dpi->dst_ptr;
01397
01398 byte bo = UnScaleByZoom(dpi->left + dpi->top, dpi->zoom) & 1;
01399 do {
01400 for (int i = (bo ^= 1); i < right; i += 2) blitter->SetPixel(dst, i, 0, (uint8)colour);
01401 dst = blitter->MoveTo(dst, 0, 1);
01402 } while (--bottom > 0);
01403 }
01404
01405 static void ViewportDrawStrings(ZoomLevel zoom, const StringSpriteToDrawVector *sstdv)
01406 {
01407 const StringSpriteToDraw *ssend = sstdv->End();
01408 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01409 TextColour colour = TC_BLACK;
01410 bool small = HasBit(ss->width, 15);
01411 int w = GB(ss->width, 0, 15);
01412 int x = UnScaleByZoom(ss->x, zoom);
01413 int y = UnScaleByZoom(ss->y, zoom);
01414 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01415
01416 SetDParam(0, ss->params[0]);
01417 SetDParam(1, ss->params[1]);
01418
01419 if (ss->colour != INVALID_COLOUR) {
01420
01421 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01422
01423
01424
01425 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01426
01427
01428 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01429 }
01430
01431
01432
01433 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01434 DrawFrameRect(
01435 x, y, x + w, y + h, ss->colour,
01436 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01437 );
01438 }
01439 }
01440
01441 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01442 }
01443 }
01444
01445 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01446 {
01447 DrawPixelInfo *old_dpi = _cur_dpi;
01448 _cur_dpi = &_vd.dpi;
01449
01450 _vd.dpi.zoom = vp->zoom;
01451 int mask = ScaleByZoom(-1, vp->zoom);
01452
01453 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01454
01455 _vd.dpi.width = (right - left) & mask;
01456 _vd.dpi.height = (bottom - top) & mask;
01457 _vd.dpi.left = left & mask;
01458 _vd.dpi.top = top & mask;
01459 _vd.dpi.pitch = old_dpi->pitch;
01460 _vd.last_child = NULL;
01461
01462 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01463 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01464
01465 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01466
01467 ViewportAddLandscape();
01468 ViewportAddVehicles(&_vd.dpi);
01469
01470 ViewportAddTownNames(&_vd.dpi);
01471 ViewportAddStationNames(&_vd.dpi);
01472 ViewportAddSigns(&_vd.dpi);
01473
01474 DrawTextEffects(&_vd.dpi);
01475
01476 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01477
01478 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01479 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01480 *_vd.parent_sprites_to_sort.Append() = it;
01481 }
01482
01483 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01484 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01485
01486 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01487 if (_draw_dirty_blocks) ViewportDrawDirtyBlocks();
01488
01489 DrawPixelInfo dp = _vd.dpi;
01490 ZoomLevel zoom = _vd.dpi.zoom;
01491 dp.zoom = ZOOM_LVL_NORMAL;
01492 dp.width = UnScaleByZoom(dp.width, zoom);
01493 dp.height = UnScaleByZoom(dp.height, zoom);
01494 _cur_dpi = &dp;
01495
01496
01497 dp.left = x;
01498 dp.top = y;
01499
01500 if (vp->overlay != NULL) vp->overlay->Draw(&dp);
01501
01502
01503 dp.left = UnScaleByZoom(_vd.dpi.left, zoom);
01504 dp.top = UnScaleByZoom(_vd.dpi.top, zoom);
01505
01506 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(zoom, &_vd.string_sprites_to_draw);
01507
01508 _cur_dpi = old_dpi;
01509
01510 _vd.string_sprites_to_draw.Clear();
01511 _vd.tile_sprites_to_draw.Clear();
01512 _vd.parent_sprites_to_draw.Clear();
01513 _vd.parent_sprites_to_sort.Clear();
01514 _vd.child_screen_sprites_to_draw.Clear();
01515 }
01516
01521 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01522 {
01523 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000 * ZOOM_LVL_BASE * ZOOM_LVL_BASE) {
01524 if ((bottom - top) > (right - left)) {
01525 int t = (top + bottom) >> 1;
01526 ViewportDrawChk(vp, left, top, right, t);
01527 ViewportDrawChk(vp, left, t, right, bottom);
01528 } else {
01529 int t = (left + right) >> 1;
01530 ViewportDrawChk(vp, left, top, t, bottom);
01531 ViewportDrawChk(vp, t, top, right, bottom);
01532 }
01533 } else {
01534 ViewportDoDraw(vp,
01535 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01536 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01537 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01538 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01539 );
01540 }
01541 }
01542
01543 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01544 {
01545 if (right <= vp->left || bottom <= vp->top) return;
01546
01547 if (left >= vp->left + vp->width) return;
01548
01549 if (left < vp->left) left = vp->left;
01550 if (right > vp->left + vp->width) right = vp->left + vp->width;
01551
01552 if (top >= vp->top + vp->height) return;
01553
01554 if (top < vp->top) top = vp->top;
01555 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01556
01557 ViewportDrawChk(vp, left, top, right, bottom);
01558 }
01559
01563 void Window::DrawViewport() const
01564 {
01565 DrawPixelInfo *dpi = _cur_dpi;
01566
01567 dpi->left += this->left;
01568 dpi->top += this->top;
01569
01570 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01571
01572 dpi->left -= this->left;
01573 dpi->top -= this->top;
01574 }
01575
01576 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01577 {
01578
01579 x += vp->virtual_width / 2;
01580 y += vp->virtual_height / 2;
01581
01582
01583
01584 int vx = -x + y * 2;
01585 int vy = x + y * 2;
01586
01587
01588 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4 * ZOOM_LVL_BASE);
01589 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4 * ZOOM_LVL_BASE);
01590
01591
01592 x = (-vx + vy) / 2;
01593 y = ( vx + vy) / 4;
01594
01595
01596 x -= vp->virtual_width / 2;
01597 y -= vp->virtual_height / 2;
01598 }
01599
01604 void UpdateViewportPosition(Window *w)
01605 {
01606 const ViewPort *vp = w->viewport;
01607
01608 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01609 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01610 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01611
01612 w->viewport->scrollpos_x = pt.x;
01613 w->viewport->scrollpos_y = pt.y;
01614 SetViewportPosition(w, pt.x, pt.y);
01615 } else {
01616
01617 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01618
01619 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01620 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01621
01622 bool update_overlay = false;
01623 if (delta_x != 0 || delta_y != 0) {
01624 if (_settings_client.gui.smooth_scroll) {
01625 int max_scroll = ScaleByMapSize1D(512 * ZOOM_LVL_BASE);
01626
01627 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01628 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01629 } else {
01630 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01631 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01632 }
01633 update_overlay = (w->viewport->scrollpos_x == w->viewport->dest_scrollpos_x &&
01634 w->viewport->scrollpos_y == w->viewport->dest_scrollpos_y);
01635 }
01636
01637 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01638
01639 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01640 if (update_overlay) RebuildViewportOverlay(w);
01641 }
01642 }
01643
01653 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01654 {
01655 right -= vp->virtual_left;
01656 if (right <= 0) return;
01657
01658 bottom -= vp->virtual_top;
01659 if (bottom <= 0) return;
01660
01661 left = max(0, left - vp->virtual_left);
01662
01663 if (left >= vp->virtual_width) return;
01664
01665 top = max(0, top - vp->virtual_top);
01666
01667 if (top >= vp->virtual_height) return;
01668
01669 SetDirtyBlocks(
01670 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01671 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01672 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01673 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01674 );
01675 }
01676
01685 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01686 {
01687 Window *w;
01688 FOR_ALL_WINDOWS_FROM_BACK(w) {
01689 ViewPort *vp = w->viewport;
01690 if (vp != NULL) {
01691 assert(vp->width != 0);
01692 MarkViewportDirty(vp, left, top, right, bottom);
01693 }
01694 }
01695 }
01696
01697 void ConstrainAllViewportsZoom()
01698 {
01699 Window *w;
01700 FOR_ALL_WINDOWS_FROM_FRONT(w) {
01701 if (w->viewport == NULL) continue;
01702
01703 ZoomLevel zoom = static_cast<ZoomLevel>(Clamp(w->viewport->zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
01704 if (zoom != w->viewport->zoom) {
01705 while (w->viewport->zoom < zoom) DoZoomInOutWindow(ZOOM_OUT, w);
01706 while (w->viewport->zoom > zoom) DoZoomInOutWindow(ZOOM_IN, w);
01707 }
01708 }
01709 }
01710
01716 void MarkTileDirtyByTile(TileIndex tile)
01717 {
01718 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTilePixelZ(tile));
01719 MarkAllViewportsDirty(
01720 pt.x - 31 * ZOOM_LVL_BASE,
01721 pt.y - 122 * ZOOM_LVL_BASE,
01722 pt.x - 31 * ZOOM_LVL_BASE + 67 * ZOOM_LVL_BASE,
01723 pt.y - 122 * ZOOM_LVL_BASE + 154 * ZOOM_LVL_BASE
01724 );
01725 }
01726
01734 static void SetSelectionTilesDirty()
01735 {
01736 int x_size = _thd.size.x;
01737 int y_size = _thd.size.y;
01738
01739 if (!_thd.diagonal) {
01740 int x_start = _thd.pos.x;
01741 int y_start = _thd.pos.y;
01742
01743 if (_thd.outersize.x != 0) {
01744 x_size += _thd.outersize.x;
01745 x_start += _thd.offs.x;
01746 y_size += _thd.outersize.y;
01747 y_start += _thd.offs.y;
01748 }
01749
01750 x_size -= TILE_SIZE;
01751 y_size -= TILE_SIZE;
01752
01753 assert(x_size >= 0);
01754 assert(y_size >= 0);
01755
01756 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01757 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01758
01759 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01760 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01761
01762
01763 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01764
01765
01766
01767
01768
01769
01770
01771
01772
01773
01774
01775
01776
01777
01778
01779
01780
01781
01782
01783 int top_x = x_end;
01784 int top_y = y_start;
01785 int bot_x = top_x;
01786 int bot_y = top_y;
01787
01788 do {
01789
01790 TileIndex top_tile = TileVirtXY(top_x, top_y);
01791 Point top = RemapCoords(top_x, top_y, GetTileMaxPixelZ(top_tile));
01792
01793
01794 TileIndex bottom_tile = TileVirtXY(bot_x, bot_y);
01795 Point bot = RemapCoords(bot_x + TILE_SIZE, bot_y + TILE_SIZE, GetTilePixelZ(bottom_tile));
01796
01797
01798
01799
01800 int l = top.x - (TILE_PIXELS - 2) * ZOOM_LVL_BASE;
01801 int t = top.y;
01802 int r = top.x + (TILE_PIXELS - 2) * ZOOM_LVL_BASE;
01803 int b = bot.y;
01804
01805 static const int OVERLAY_WIDTH = 4 * ZOOM_LVL_BASE;
01806
01807
01808 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT * ZOOM_LVL_BASE, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH * ZOOM_LVL_BASE);
01809
01810
01811 if (top_x != x_start) {
01812 top_x -= TILE_SIZE;
01813 } else {
01814 top_y += TILE_SIZE;
01815 }
01816
01817
01818 if (bot_y != y_end) {
01819 bot_y += TILE_SIZE;
01820 } else {
01821 bot_x -= TILE_SIZE;
01822 }
01823 } while (bot_x >= top_x);
01824 } else {
01825
01826 int a_size = x_size + y_size, b_size = x_size - y_size;
01827
01828 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01829 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01830
01831 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01832 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01833 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01834 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01835
01836 if (x < MapMaxX() && y < MapMaxY()) {
01837 MarkTileDirtyByTile(TileXY(x, y));
01838 }
01839 }
01840 }
01841 }
01842 }
01843
01844
01845 void SetSelectionRed(bool b)
01846 {
01847 _thd.make_square_red = b;
01848 SetSelectionTilesDirty();
01849 }
01850
01859 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01860 {
01861 bool small = (vp->zoom >= ZOOM_LVL_OUT_16X);
01862 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01863 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01864
01865 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01866 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01867
01868 return y >= sign->top && y < sign->top + sign_height &&
01869 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01870 }
01871
01872 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01873 {
01874 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01875
01876 const Town *t;
01877 FOR_ALL_TOWNS(t) {
01878 if (CheckClickOnViewportSign(vp, x, y, &t->cache.sign)) {
01879 ShowTownViewWindow(t->index);
01880 return true;
01881 }
01882 }
01883
01884 return false;
01885 }
01886
01887 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01888 {
01889 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01890
01891 const BaseStation *st;
01892 FOR_ALL_BASE_STATIONS(st) {
01893
01894 bool is_station = Station::IsExpected(st);
01895
01896
01897 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01898
01899
01900 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01901
01902 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01903 if (is_station) {
01904 ShowStationViewWindow(st->index);
01905 } else {
01906 ShowWaypointWindow(Waypoint::From(st));
01907 }
01908 return true;
01909 }
01910 }
01911
01912 return false;
01913 }
01914
01915
01916 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01917 {
01918
01919 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01920
01921 const Sign *si;
01922 FOR_ALL_SIGNS(si) {
01923
01924 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner && si->owner != OWNER_DEITY) continue;
01925 if (si->owner == OWNER_DEITY && _game_mode != GM_EDITOR) continue;
01926
01927 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01928 HandleClickOnSign(si);
01929 return true;
01930 }
01931 }
01932
01933 return false;
01934 }
01935
01936
01937 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01938 {
01939 Point pt = TranslateXYToTileCoord(vp, x, y);
01940
01941 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01942 return true;
01943 }
01944
01945 static void PlaceObject()
01946 {
01947 Point pt;
01948 Window *w;
01949
01950 pt = GetTileBelowCursor();
01951 if (pt.x == -1) return;
01952
01953 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01954 pt.x += TILE_SIZE / 2;
01955 pt.y += TILE_SIZE / 2;
01956 }
01957
01958 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01959 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01960
01961 w = _thd.GetCallbackWnd();
01962 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01963 }
01964
01965
01966 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01967 {
01968 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01969
01970 if (_thd.place_mode & HT_VEHICLE) {
01971 if (v != NULL && VehicleClicked(v)) return true;
01972 }
01973
01974
01975 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
01976 PlaceObject();
01977 return true;
01978 }
01979
01980 if (CheckClickOnTown(vp, x, y)) return true;
01981 if (CheckClickOnStation(vp, x, y)) return true;
01982 if (CheckClickOnSign(vp, x, y)) return true;
01983 bool result = CheckClickOnLandscape(vp, x, y);
01984
01985 if (v != NULL) {
01986 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01987 if (IsCompanyBuildableVehicleType(v)) {
01988 v = v->First();
01989 if (_ctrl_pressed && v->owner == _local_company) {
01990 StartStopVehicle(v, true);
01991 } else {
01992 ShowVehicleViewWindow(v);
01993 }
01994 }
01995 return true;
01996 }
01997 return result;
01998 }
01999
02000 void RebuildViewportOverlay(Window *w)
02001 {
02002 if (w->viewport->overlay != NULL &&
02003 w->viewport->overlay->GetCompanyMask() != 0 &&
02004 w->viewport->overlay->GetCargoMask() != 0) {
02005 w->viewport->overlay->RebuildCache();
02006 w->SetDirty();
02007 }
02008 }
02009
02019 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
02020 {
02021
02022 if (z == -1) z = GetSlopePixelZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
02023
02024 Point pt = MapXYZToViewport(w->viewport, x, y, z);
02025 w->viewport->follow_vehicle = INVALID_VEHICLE;
02026
02027 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
02028
02029 if (instant) {
02030 w->viewport->scrollpos_x = pt.x;
02031 w->viewport->scrollpos_y = pt.y;
02032 RebuildViewportOverlay(w);
02033 }
02034
02035 w->viewport->dest_scrollpos_x = pt.x;
02036 w->viewport->dest_scrollpos_y = pt.y;
02037 return true;
02038 }
02039
02047 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
02048 {
02049 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
02050 }
02051
02058 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
02059 {
02060 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
02061 }
02062
02067 void SetRedErrorSquare(TileIndex tile)
02068 {
02069 TileIndex old;
02070
02071 old = _thd.redsq;
02072 _thd.redsq = tile;
02073
02074 if (tile != old) {
02075 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
02076 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
02077 }
02078 }
02079
02085 void SetTileSelectSize(int w, int h)
02086 {
02087 _thd.new_size.x = w * TILE_SIZE;
02088 _thd.new_size.y = h * TILE_SIZE;
02089 _thd.new_outersize.x = 0;
02090 _thd.new_outersize.y = 0;
02091 }
02092
02093 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02094 {
02095 _thd.offs.x = ox * TILE_SIZE;
02096 _thd.offs.y = oy * TILE_SIZE;
02097 _thd.new_outersize.x = sx * TILE_SIZE;
02098 _thd.new_outersize.y = sy * TILE_SIZE;
02099 }
02100
02102 static HighLightStyle GetAutorailHT(int x, int y)
02103 {
02104 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02105 }
02106
02110 void TileHighlightData::Reset()
02111 {
02112 this->pos.x = 0;
02113 this->pos.y = 0;
02114 this->new_pos.x = 0;
02115 this->new_pos.y = 0;
02116 }
02117
02122 bool TileHighlightData::IsDraggingDiagonal()
02123 {
02124 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02125 }
02126
02131 Window *TileHighlightData::GetCallbackWnd()
02132 {
02133 return FindWindowById(this->window_class, this->window_number);
02134 }
02135
02136
02137
02145 void UpdateTileSelection()
02146 {
02147 int x1;
02148 int y1;
02149
02150 HighLightStyle new_drawstyle = HT_NONE;
02151 bool new_diagonal = false;
02152
02153 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02154 x1 = _thd.selend.x;
02155 y1 = _thd.selend.y;
02156 if (x1 != -1) {
02157 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02158 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02159 x1 &= ~TILE_UNIT_MASK;
02160 y1 &= ~TILE_UNIT_MASK;
02161
02162 if (_thd.IsDraggingDiagonal()) {
02163 new_diagonal = true;
02164 } else {
02165 if (x1 >= x2) Swap(x1, x2);
02166 if (y1 >= y2) Swap(y1, y2);
02167 }
02168 _thd.new_pos.x = x1;
02169 _thd.new_pos.y = y1;
02170 _thd.new_size.x = x2 - x1;
02171 _thd.new_size.y = y2 - y1;
02172 if (!new_diagonal) {
02173 _thd.new_size.x += TILE_SIZE;
02174 _thd.new_size.y += TILE_SIZE;
02175 }
02176 new_drawstyle = _thd.next_drawstyle;
02177 }
02178 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02179 Point pt = GetTileBelowCursor();
02180 x1 = pt.x;
02181 y1 = pt.y;
02182 if (x1 != -1) {
02183 switch (_thd.place_mode & HT_DRAG_MASK) {
02184 case HT_RECT:
02185 new_drawstyle = HT_RECT;
02186 break;
02187 case HT_POINT:
02188 new_drawstyle = HT_POINT;
02189 x1 += TILE_SIZE / 2;
02190 y1 += TILE_SIZE / 2;
02191 break;
02192 case HT_RAIL:
02193
02194 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02195 break;
02196 case HT_LINE:
02197 switch (_thd.place_mode & HT_DIR_MASK) {
02198 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02199 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02200
02201 case HT_DIR_HU:
02202 case HT_DIR_HL:
02203 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02204 break;
02205
02206 case HT_DIR_VL:
02207 case HT_DIR_VR:
02208 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02209 break;
02210
02211 default: NOT_REACHED();
02212 }
02213 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02214 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02215 break;
02216 default:
02217 NOT_REACHED();
02218 break;
02219 }
02220 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02221 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02222 }
02223 }
02224
02225
02226 if (_thd.drawstyle != new_drawstyle ||
02227 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02228 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02229 _thd.outersize.x != _thd.new_outersize.x ||
02230 _thd.outersize.y != _thd.new_outersize.y ||
02231 _thd.diagonal != new_diagonal) {
02232
02233 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02234
02235 _thd.drawstyle = new_drawstyle;
02236 _thd.pos = _thd.new_pos;
02237 _thd.size = _thd.new_size;
02238 _thd.outersize = _thd.new_outersize;
02239 _thd.diagonal = new_diagonal;
02240 _thd.dirty = 0xff;
02241
02242
02243 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02244 }
02245 }
02246
02254 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02255 {
02256 if (!_settings_client.gui.measure_tooltip) return;
02257 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02258 }
02259
02261 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02262 {
02263 _thd.select_method = method;
02264 _thd.select_proc = process;
02265 _thd.selend.x = TileX(tile) * TILE_SIZE;
02266 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02267 _thd.selend.y = TileY(tile) * TILE_SIZE;
02268 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02269
02270
02271
02272
02273 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02274 _thd.selend.x += TILE_SIZE / 2;
02275 _thd.selend.y += TILE_SIZE / 2;
02276 _thd.selstart.x += TILE_SIZE / 2;
02277 _thd.selstart.y += TILE_SIZE / 2;
02278 }
02279
02280 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02281 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02282 _thd.place_mode = HT_SPECIAL | others;
02283 _thd.next_drawstyle = HT_RECT | others;
02284 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02285 _thd.place_mode = HT_SPECIAL | others;
02286 _thd.next_drawstyle = _thd.drawstyle | others;
02287 } else {
02288 _thd.place_mode = HT_SPECIAL | others;
02289 _thd.next_drawstyle = HT_POINT | others;
02290 }
02291 _special_mouse_mode = WSM_SIZING;
02292 }
02293
02294 void VpSetPlaceSizingLimit(int limit)
02295 {
02296 _thd.sizelimit = limit;
02297 }
02298
02304 void VpSetPresizeRange(TileIndex from, TileIndex to)
02305 {
02306 uint64 distance = DistanceManhattan(from, to) + 1;
02307
02308 _thd.selend.x = TileX(to) * TILE_SIZE;
02309 _thd.selend.y = TileY(to) * TILE_SIZE;
02310 _thd.selstart.x = TileX(from) * TILE_SIZE;
02311 _thd.selstart.y = TileY(from) * TILE_SIZE;
02312 _thd.next_drawstyle = HT_RECT;
02313
02314
02315 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02316 }
02317
02318 static void VpStartPreSizing()
02319 {
02320 _thd.selend.x = -1;
02321 _special_mouse_mode = WSM_PRESIZE;
02322 }
02323
02328 static HighLightStyle Check2x1AutoRail(int mode)
02329 {
02330 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02331 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02332 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02333 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02334
02335 switch (mode) {
02336 default: NOT_REACHED();
02337 case 0:
02338 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02339 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02340 return HT_DIR_Y;
02341
02342 case 1:
02343 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02344 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02345 return HT_DIR_Y;
02346
02347 case 2:
02348 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02349 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02350 return HT_DIR_X;
02351
02352 case 3:
02353 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02354 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02355 return HT_DIR_X;
02356 }
02357 }
02358
02372 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02373 {
02374 uint start_x = TileX(start_tile);
02375 uint start_y = TileY(start_tile);
02376 uint end_x = TileX(end_tile);
02377 uint end_y = TileY(end_tile);
02378
02379 switch (style & HT_DRAG_MASK) {
02380 case HT_RAIL:
02381 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02382
02383 case HT_RECT:
02384 case HT_POINT: return (end_x != start_x && end_y < start_y);
02385 default: NOT_REACHED();
02386 }
02387
02388 return false;
02389 }
02390
02406 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02407 {
02408 bool swap = SwapDirection(style, start_tile, end_tile);
02409 uint h0, h1;
02410
02411 if (start_tile == end_tile) return 0;
02412 if (swap) Swap(start_tile, end_tile);
02413
02414 switch (style & HT_DRAG_MASK) {
02415 case HT_RECT: {
02416 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02417 {1, 0}, {0, 0},
02418 {0, 1}, {1, 1}
02419 };
02420
02421
02422
02423 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02424 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02425 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02426
02427 }
02428
02429 case HT_POINT:
02430 h0 = TileHeight(start_tile);
02431 h1 = TileHeight(end_tile);
02432 break;
02433 default: {
02434 static const HighLightStyle flip_style_direction[] = {
02435 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02436 };
02437 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02438 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02439 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02440 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02441
02442 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02443 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02444 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02445 };
02446
02447 distance %= 2;
02448 style &= HT_DIR_MASK;
02449
02450
02451
02452
02453
02454 if (swap && distance == 0) style = flip_style_direction[style];
02455
02456
02457 byte style_t = style * 2;
02458 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02459 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02460 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02461 h0 = max(h0, ht);
02462
02463
02464
02465 if (distance == 0) style_t = flip_style_direction[style] * 2;
02466 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02467 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02468 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02469 h1 = max(h1, ht);
02470 break;
02471 }
02472 }
02473
02474 if (swap) Swap(h0, h1);
02475 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02476 }
02477
02478 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02479
02486 static void CheckUnderflow(int &test, int &other, int mult)
02487 {
02488 if (test >= 0) return;
02489
02490 other += mult * test;
02491 test = 0;
02492 }
02493
02501 static void CheckOverflow(int &test, int &other, int max, int mult)
02502 {
02503 if (test <= max) return;
02504
02505 other += mult * (test - max);
02506 test = max;
02507 }
02508
02510 static void CalcRaildirsDrawstyle(int x, int y, int method)
02511 {
02512 HighLightStyle b;
02513
02514 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02515 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02516 uint w = abs(dx) + TILE_SIZE;
02517 uint h = abs(dy) + TILE_SIZE;
02518
02519 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02520
02521 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02522 int raw_dx = _thd.selstart.x - _thd.selend.x;
02523 int raw_dy = _thd.selstart.y - _thd.selend.y;
02524 switch (method) {
02525 case VPM_FIX_X:
02526 b = HT_LINE | HT_DIR_Y;
02527 x = _thd.selstart.x;
02528 break;
02529
02530 case VPM_FIX_Y:
02531 b = HT_LINE | HT_DIR_X;
02532 y = _thd.selstart.y;
02533 break;
02534
02535 case VPM_FIX_HORIZONTAL:
02536 if (dx == -dy) {
02537
02538
02539 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02540 } else {
02541
02542
02543 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02544
02545
02546
02547
02548 int offset = (raw_dx - raw_dy) / 2;
02549 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02550 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02551
02552
02553 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02554 if (dx + dy >= (int)TILE_SIZE) {
02555 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02556 } else {
02557 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02558 }
02559 }
02560
02561
02562 CheckUnderflow(x, y, 1);
02563 CheckUnderflow(y, x, 1);
02564 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02565 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02566 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02567 }
02568 break;
02569
02570 case VPM_FIX_VERTICAL:
02571 if (dx == dy) {
02572
02573
02574 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02575 } else {
02576
02577
02578 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02579
02580
02581
02582
02583 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02584 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02585 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02586
02587
02588 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02589 if (dx - dy < 0) {
02590 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02591 } else {
02592 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02593 }
02594 }
02595
02596
02597 CheckUnderflow(x, y, -1);
02598 CheckUnderflow(y, x, -1);
02599 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02600 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02601 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02602 }
02603 break;
02604
02605 default:
02606 NOT_REACHED();
02607 }
02608 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02609 if (method & VPM_RAILDIRS) {
02610 b = GetAutorailHT(x, y);
02611 } else {
02612 b = HT_RECT;
02613 }
02614 } else if (h == TILE_SIZE) {
02615 if (dx == (int)TILE_SIZE) {
02616 b = (Check2x1AutoRail(3)) | HT_LINE;
02617 } else if (dx == -(int)TILE_SIZE) {
02618 b = (Check2x1AutoRail(2)) | HT_LINE;
02619 } else {
02620 b = HT_LINE | HT_DIR_X;
02621 }
02622 y = _thd.selstart.y;
02623 } else if (w == TILE_SIZE) {
02624 if (dy == (int)TILE_SIZE) {
02625 b = (Check2x1AutoRail(1)) | HT_LINE;
02626 } else if (dy == -(int)TILE_SIZE) {
02627 b = (Check2x1AutoRail(0)) | HT_LINE;
02628 } else {
02629 b = HT_LINE | HT_DIR_Y;
02630 }
02631 x = _thd.selstart.x;
02632 } else if (w > h * 2) {
02633 b = HT_LINE | HT_DIR_X;
02634 y = _thd.selstart.y;
02635 } else if (h > w * 2) {
02636 b = HT_LINE | HT_DIR_Y;
02637 x = _thd.selstart.x;
02638 } else {
02639 int d = w - h;
02640 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
02641 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
02642
02643
02644 if (x > _thd.selstart.x) {
02645 if (y > _thd.selstart.y) {
02646
02647 if (d == 0) {
02648 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02649 } else if (d >= 0) {
02650 x = _thd.selstart.x + h;
02651 b = HT_LINE | HT_DIR_VL;
02652 } else {
02653 y = _thd.selstart.y + w;
02654 b = HT_LINE | HT_DIR_VR;
02655 }
02656 } else {
02657
02658 if (d == 0) {
02659 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02660 } else if (d >= 0) {
02661 x = _thd.selstart.x + h;
02662 b = HT_LINE | HT_DIR_HL;
02663 } else {
02664 y = _thd.selstart.y - w;
02665 b = HT_LINE | HT_DIR_HU;
02666 }
02667 }
02668 } else {
02669 if (y > _thd.selstart.y) {
02670
02671 if (d == 0) {
02672 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02673 } else if (d >= 0) {
02674 x = _thd.selstart.x - h;
02675 b = HT_LINE | HT_DIR_HU;
02676 } else {
02677 y = _thd.selstart.y + w;
02678 b = HT_LINE | HT_DIR_HL;
02679 }
02680 } else {
02681
02682 if (d == 0) {
02683 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02684 } else if (d >= 0) {
02685 x = _thd.selstart.x - h;
02686 b = HT_LINE | HT_DIR_VR;
02687 } else {
02688 y = _thd.selstart.y - w;
02689 b = HT_LINE | HT_DIR_VL;
02690 }
02691 }
02692 }
02693 }
02694
02695 if (_settings_client.gui.measure_tooltip) {
02696 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02697 TileIndex t1 = TileVirtXY(x, y);
02698 uint distance = DistanceManhattan(t0, t1) + 1;
02699 byte index = 0;
02700 uint64 params[2];
02701
02702 if (distance != 1) {
02703 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02704
02705
02706
02707 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02708 distance = CeilDiv(distance, 2);
02709 }
02710
02711 params[index++] = distance;
02712 if (heightdiff != 0) params[index++] = heightdiff;
02713 }
02714
02715 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02716 }
02717
02718 _thd.selend.x = x;
02719 _thd.selend.y = y;
02720 _thd.next_drawstyle = b;
02721 }
02722
02730 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02731 {
02732 int sx, sy;
02733 HighLightStyle style;
02734
02735 if (x == -1) {
02736 _thd.selend.x = -1;
02737 return;
02738 }
02739
02740
02741 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02742 _thd.selend.x = x;
02743 _thd.selend.y = y;
02744 CalcRaildirsDrawstyle(x, y, method);
02745 return;
02746 }
02747
02748
02749 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02750 x += TILE_SIZE / 2;
02751 y += TILE_SIZE / 2;
02752 }
02753
02754 sx = _thd.selstart.x;
02755 sy = _thd.selstart.y;
02756
02757 int limit = 0;
02758
02759 switch (method) {
02760 case VPM_X_OR_Y:
02761 if (abs(sy - y) < abs(sx - x)) {
02762 y = sy;
02763 style = HT_DIR_X;
02764 } else {
02765 x = sx;
02766 style = HT_DIR_Y;
02767 }
02768 goto calc_heightdiff_single_direction;
02769
02770 case VPM_X_LIMITED:
02771 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02772
02773
02774 case VPM_FIX_X:
02775 x = sx;
02776 style = HT_DIR_Y;
02777 goto calc_heightdiff_single_direction;
02778
02779 case VPM_Y_LIMITED:
02780 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02781
02782
02783 case VPM_FIX_Y:
02784 y = sy;
02785 style = HT_DIR_X;
02786
02787 calc_heightdiff_single_direction:;
02788 if (limit > 0) {
02789 x = sx + Clamp(x - sx, -limit, limit);
02790 y = sy + Clamp(y - sy, -limit, limit);
02791 }
02792 if (_settings_client.gui.measure_tooltip) {
02793 TileIndex t0 = TileVirtXY(sx, sy);
02794 TileIndex t1 = TileVirtXY(x, y);
02795 uint distance = DistanceManhattan(t0, t1) + 1;
02796 byte index = 0;
02797 uint64 params[2];
02798
02799 if (distance != 1) {
02800
02801
02802
02803
02804
02805 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02806
02807 params[index++] = distance;
02808 if (heightdiff != 0) params[index++] = heightdiff;
02809 }
02810
02811 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02812 }
02813 break;
02814
02815 case VPM_X_AND_Y_LIMITED:
02816 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02817 x = sx + Clamp(x - sx, -limit, limit);
02818 y = sy + Clamp(y - sy, -limit, limit);
02819
02820
02821 case VPM_X_AND_Y:
02822 if (_settings_client.gui.measure_tooltip) {
02823 static const StringID measure_strings_area[] = {
02824 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02825 };
02826
02827 TileIndex t0 = TileVirtXY(sx, sy);
02828 TileIndex t1 = TileVirtXY(x, y);
02829 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02830 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02831 byte index = 0;
02832 uint64 params[3];
02833
02834
02835
02836 style = (HighLightStyle)_thd.next_drawstyle;
02837 if (_thd.IsDraggingDiagonal()) {
02838
02839
02840
02841
02842
02843
02844
02845
02846
02847
02848 int dist_x = TileX(t0) - TileX(t1);
02849 int dist_y = TileY(t0) - TileY(t1);
02850 int a_max = dist_x + dist_y;
02851 int b_max = dist_y - dist_x;
02852
02853
02854
02855 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02856 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02857
02858
02859
02860
02861
02862 if (a_max != 1 || b_max != 1) {
02863 dx = a_max;
02864 dy = b_max;
02865 }
02866 } else if (style & HT_RECT) {
02867 if (dx == 1) {
02868 style = HT_LINE | HT_DIR_Y;
02869 } else if (dy == 1) {
02870 style = HT_LINE | HT_DIR_X;
02871 }
02872 }
02873
02874 if (dx != 1 || dy != 1) {
02875 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02876
02877 params[index++] = dx - (style & HT_POINT ? 1 : 0);
02878 params[index++] = dy - (style & HT_POINT ? 1 : 0);
02879 if (heightdiff != 0) params[index++] = heightdiff;
02880 }
02881
02882 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02883 }
02884 break;
02885
02886 default: NOT_REACHED();
02887 }
02888
02889 _thd.selend.x = x;
02890 _thd.selend.y = y;
02891 }
02892
02897 EventState VpHandlePlaceSizingDrag()
02898 {
02899 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02900
02901
02902 Window *w = _thd.GetCallbackWnd();
02903 if (w == NULL) {
02904 ResetObjectToPlace();
02905 return ES_HANDLED;
02906 }
02907
02908
02909 if (_left_button_down) {
02910 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02911 return ES_HANDLED;
02912 }
02913
02914
02915
02916 _special_mouse_mode = WSM_NONE;
02917 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02918 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02919 _thd.place_mode = HT_RECT | others;
02920 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02921 _thd.place_mode = HT_RECT | others;
02922 } else if (_thd.select_method & VPM_RAILDIRS) {
02923 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02924 } else {
02925 _thd.place_mode = HT_POINT | others;
02926 }
02927 SetTileSelectSize(1, 1);
02928
02929 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02930
02931 return ES_HANDLED;
02932 }
02933
02934 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02935 {
02936 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02937 }
02938
02939 #include "table/animcursors.h"
02940
02941 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02942 {
02943 if (_thd.window_class != WC_INVALID) {
02944
02945 Window *w = _thd.GetCallbackWnd();
02946
02947
02948
02949
02950
02951 _thd.window_class = WC_INVALID;
02952 if (w != NULL) w->OnPlaceObjectAbort();
02953 }
02954
02955
02956 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02957
02958 SetTileSelectSize(1, 1);
02959
02960 _thd.make_square_red = false;
02961
02962 if (mode == HT_DRAG) {
02963 mode = HT_NONE;
02964 _special_mouse_mode = WSM_DRAGDROP;
02965 } else {
02966 _special_mouse_mode = WSM_NONE;
02967 }
02968
02969 _thd.place_mode = mode;
02970 _thd.window_class = window_class;
02971 _thd.window_number = window_num;
02972
02973 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
02974 VpStartPreSizing();
02975 }
02976
02977 if ((icon & ANIMCURSOR_FLAG) != 0) {
02978 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02979 } else {
02980 SetMouseCursor(icon, pal);
02981 }
02982
02983 }
02984
02985 void ResetObjectToPlace()
02986 {
02987 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02988 }
02989
02990 Point GetViewportStationMiddle(const ViewPort *vp, const Station *st)
02991 {
02992 int x = TileX(st->xy) * TILE_SIZE;
02993 int y = TileY(st->xy) * TILE_SIZE;
02994 int z = GetSlopePixelZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
02995
02996 Point p = RemapCoords(x, y, z);
02997 p.x = UnScaleByZoom(p.x - vp->virtual_left, vp->zoom) + vp->left;
02998 p.y = UnScaleByZoom(p.y - vp->virtual_top, vp->zoom) + vp->top;
02999 return p;
03000 }