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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/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 if (w->viewport == NULL) return;
00169
00170 delete w->viewport->overlay;
00171 free(w->viewport);
00172 w->viewport = NULL;
00173 }
00174
00187 void InitializeWindowViewport(Window *w, int x, int y,
00188 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00189 {
00190 assert(w->viewport == NULL);
00191
00192 ViewportData *vp = CallocT<ViewportData>(1);
00193
00194 vp->left = x + w->left;
00195 vp->top = y + w->top;
00196 vp->width = width;
00197 vp->height = height;
00198
00199 vp->zoom = static_cast<ZoomLevel>(Clamp(zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
00200
00201 vp->virtual_width = ScaleByZoom(width, zoom);
00202 vp->virtual_height = ScaleByZoom(height, zoom);
00203
00204 Point pt;
00205
00206 if (follow_flags & 0x80000000) {
00207 const Vehicle *veh;
00208
00209 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFFF);
00210 veh = Vehicle::Get(vp->follow_vehicle);
00211 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00212 } else {
00213 uint x = TileX(follow_flags) * TILE_SIZE;
00214 uint y = TileY(follow_flags) * TILE_SIZE;
00215
00216 vp->follow_vehicle = INVALID_VEHICLE;
00217 pt = MapXYZToViewport(vp, x, y, GetSlopePixelZ(x, y));
00218 }
00219
00220 vp->scrollpos_x = pt.x;
00221 vp->scrollpos_y = pt.y;
00222 vp->dest_scrollpos_x = pt.x;
00223 vp->dest_scrollpos_y = pt.y;
00224
00225 vp->overlay = NULL;
00226
00227 w->viewport = vp;
00228 vp->virtual_left = 0;
00229 vp->virtual_top = 0;
00230 }
00231
00232 static Point _vp_move_offs;
00233
00234 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00235 {
00236 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00237 if (left + width > w->left &&
00238 w->left + w->width > left &&
00239 top + height > w->top &&
00240 w->top + w->height > top) {
00241
00242 if (left < w->left) {
00243 DoSetViewportPosition(w, left, top, w->left - left, height);
00244 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00245 return;
00246 }
00247
00248 if (left + width > w->left + w->width) {
00249 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00250 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00251 return;
00252 }
00253
00254 if (top < w->top) {
00255 DoSetViewportPosition(w, left, top, width, (w->top - top));
00256 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00257 return;
00258 }
00259
00260 if (top + height > w->top + w->height) {
00261 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00262 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00263 return;
00264 }
00265
00266 return;
00267 }
00268 }
00269
00270 {
00271 int xo = _vp_move_offs.x;
00272 int yo = _vp_move_offs.y;
00273
00274 if (abs(xo) >= width || abs(yo) >= height) {
00275
00276 RedrawScreenRect(left, top, left + width, top + height);
00277 return;
00278 }
00279
00280 GfxScroll(left, top, width, height, xo, yo);
00281
00282 if (xo > 0) {
00283 RedrawScreenRect(left, top, xo + left, top + height);
00284 left += xo;
00285 width -= xo;
00286 } else if (xo < 0) {
00287 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00288 width += xo;
00289 }
00290
00291 if (yo > 0) {
00292 RedrawScreenRect(left, top, width + left, top + yo);
00293 } else if (yo < 0) {
00294 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00295 }
00296 }
00297 }
00298
00299 static void SetViewportPosition(Window *w, int x, int y)
00300 {
00301 ViewPort *vp = w->viewport;
00302 int old_left = vp->virtual_left;
00303 int old_top = vp->virtual_top;
00304 int i;
00305 int left, top, width, height;
00306
00307 vp->virtual_left = x;
00308 vp->virtual_top = y;
00309
00310
00311
00312
00313 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00314 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00315 x = UnScaleByZoomLower(x, vp->zoom);
00316 y = UnScaleByZoomLower(y, vp->zoom);
00317
00318 old_left -= x;
00319 old_top -= y;
00320
00321 if (old_top == 0 && old_left == 0) return;
00322
00323 _vp_move_offs.x = old_left;
00324 _vp_move_offs.y = old_top;
00325
00326 left = vp->left;
00327 top = vp->top;
00328 width = vp->width;
00329 height = vp->height;
00330
00331 if (left < 0) {
00332 width += left;
00333 left = 0;
00334 }
00335
00336 i = left + width - _screen.width;
00337 if (i >= 0) width -= i;
00338
00339 if (width > 0) {
00340 if (top < 0) {
00341 height += top;
00342 top = 0;
00343 }
00344
00345 i = top + height - _screen.height;
00346 if (i >= 0) height -= i;
00347
00348 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00349 }
00350 }
00351
00360 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00361 {
00362 ViewPort *vp = w->viewport;
00363
00364 if (vp != NULL &&
00365 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00366 IsInsideMM(y, vp->top, vp->top + vp->height))
00367 return vp;
00368
00369 return NULL;
00370 }
00371
00379 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00380 {
00381 Point pt;
00382 int a, b;
00383 int z;
00384
00385 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00386 (uint)(y -= vp->top) >= (uint)vp->height) {
00387 Point pt = {-1, -1};
00388 return pt;
00389 }
00390
00391 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> (2 + ZOOM_LVL_SHIFT);
00392 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> (1 + ZOOM_LVL_SHIFT);
00393
00394 a = y - x;
00395 b = y + x;
00396
00397
00398
00399
00400 a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00401 b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00402
00403
00404
00405
00406
00407
00408
00409
00410 z = 0;
00411
00412 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00413
00414 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;
00415 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;
00416 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;
00417
00418 pt.x = Clamp(a + z, min_coord, MapMaxX() * TILE_SIZE - 1);
00419 pt.y = Clamp(b + z, min_coord, MapMaxY() * TILE_SIZE - 1);
00420
00421 return pt;
00422 }
00423
00424
00425
00426
00427 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00428 {
00429 Window *w;
00430 ViewPort *vp;
00431 Point pt;
00432
00433 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00434 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00435 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00436
00437 pt.y = pt.x = -1;
00438 return pt;
00439 }
00440
00441 Point GetTileBelowCursor()
00442 {
00443 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00444 }
00445
00446
00447 Point GetTileZoomCenterWindow(bool in, Window * w)
00448 {
00449 int x, y;
00450 ViewPort *vp = w->viewport;
00451
00452 if (in) {
00453 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00454 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00455 } else {
00456 x = vp->width - (_cursor.pos.x - vp->left);
00457 y = vp->height - (_cursor.pos.y - vp->top);
00458 }
00459
00460 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00461 }
00462
00471 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00472 {
00473 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom <= _settings_client.gui.zoom_min);
00474 w->SetWidgetDirty(widget_zoom_in);
00475
00476 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom >= _settings_client.gui.zoom_max);
00477 w->SetWidgetDirty(widget_zoom_out);
00478 }
00479
00492 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)
00493 {
00494 assert((image & SPRITE_MASK) < MAX_SPRITES);
00495
00496 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00497 ts->image = image;
00498 ts->pal = pal;
00499 ts->sub = sub;
00500 Point pt = RemapCoords(x, y, z);
00501 ts->x = pt.x + extra_offs_x;
00502 ts->y = pt.y + extra_offs_y;
00503 }
00504
00517 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00518 {
00519 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00520 assert(_vd.foundation[foundation_part] != -1);
00521 Point offs = _vd.foundation_offset[foundation_part];
00522
00523
00524 int *old_child = _vd.last_child;
00525 _vd.last_child = _vd.last_foundation_child[foundation_part];
00526
00527 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub, false);
00528
00529
00530 _vd.last_child = old_child;
00531 }
00532
00546 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00547 {
00548
00549 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00550
00551 if (_vd.foundation[_vd.foundation_part] != -1) {
00552 Point pt = RemapCoords(x, y, z);
00553 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x * ZOOM_LVL_BASE, pt.y + extra_offs_y * ZOOM_LVL_BASE);
00554 } else {
00555 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);
00556 }
00557 }
00558
00569 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00570 {
00571 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00572 }
00573
00581 void OffsetGroundSprite(int x, int y)
00582 {
00583
00584 switch (_vd.foundation_part) {
00585 case FOUNDATION_PART_NONE:
00586 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00587 break;
00588 case FOUNDATION_PART_NORMAL:
00589 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00590 break;
00591 default: NOT_REACHED();
00592 }
00593
00594
00595 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00596
00597 _vd.foundation_offset[_vd.foundation_part].x = x * ZOOM_LVL_BASE;
00598 _vd.foundation_offset[_vd.foundation_part].y = y * ZOOM_LVL_BASE;
00599 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00600 }
00601
00613 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, int z, const SubSprite *sub)
00614 {
00615 Point pt = RemapCoords(x, y, z);
00616 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00617
00618 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00619 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00620 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00621 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00622 return;
00623
00624 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00625 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub, false);
00626 }
00627
00653 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)
00654 {
00655 int32 left, right, top, bottom;
00656
00657 assert((image & SPRITE_MASK) < MAX_SPRITES);
00658
00659
00660 if (transparent) {
00661 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00662 pal = PALETTE_TO_TRANSPARENT;
00663 }
00664
00665 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00666 AddCombinedSprite(image, pal, x, y, z, sub);
00667 return;
00668 }
00669
00670 _vd.last_child = NULL;
00671
00672 Point pt = RemapCoords(x, y, z);
00673 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00674
00675
00676 if (image == SPR_EMPTY_BOUNDING_BOX) {
00677 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00678 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00679 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00680 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00681 } else {
00682 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00683 left = tmp_left = (pt.x += spr->x_offs);
00684 right = (pt.x + spr->width );
00685 top = tmp_top = (pt.y += spr->y_offs);
00686 bottom = (pt.y + spr->height);
00687 }
00688
00689 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00690
00691 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00692 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00693 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00694 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00695 }
00696
00697
00698 if (left >= _vd.dpi.left + _vd.dpi.width ||
00699 right <= _vd.dpi.left ||
00700 top >= _vd.dpi.top + _vd.dpi.height ||
00701 bottom <= _vd.dpi.top) {
00702 return;
00703 }
00704
00705 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00706 ps->x = tmp_x;
00707 ps->y = tmp_y;
00708
00709 ps->left = tmp_left;
00710 ps->top = tmp_top;
00711
00712 ps->image = image;
00713 ps->pal = pal;
00714 ps->sub = sub;
00715 ps->xmin = x + bb_offset_x;
00716 ps->xmax = x + max(bb_offset_x, w) - 1;
00717
00718 ps->ymin = y + bb_offset_y;
00719 ps->ymax = y + max(bb_offset_y, h) - 1;
00720
00721 ps->zmin = z + bb_offset_z;
00722 ps->zmax = z + max(bb_offset_z, dz) - 1;
00723
00724 ps->comparison_done = false;
00725 ps->first_child = -1;
00726
00727 _vd.last_child = &ps->first_child;
00728
00729 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00730 }
00731
00750 void StartSpriteCombine()
00751 {
00752 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00753 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00754 }
00755
00760 void EndSpriteCombine()
00761 {
00762 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00763 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00764 }
00765
00775 static bool IsInRangeInclusive(int begin, int end, int check)
00776 {
00777 if (begin > end) Swap(begin, end);
00778 return begin <= check && check <= end;
00779 }
00780
00787 bool IsInsideRotatedRectangle(int x, int y)
00788 {
00789 int dist_a = (_thd.size.x + _thd.size.y);
00790 int dist_b = (_thd.size.x - _thd.size.y);
00791 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00792 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00793
00794
00795 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00796 }
00797
00808 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub, bool scale)
00809 {
00810 assert((image & SPRITE_MASK) < MAX_SPRITES);
00811
00812
00813 if (_vd.last_child == NULL) return;
00814
00815
00816 if (transparent) {
00817 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00818 pal = PALETTE_TO_TRANSPARENT;
00819 }
00820
00821 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00822
00823 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00824 cs->image = image;
00825 cs->pal = pal;
00826 cs->sub = sub;
00827 cs->x = scale ? x * ZOOM_LVL_BASE : x;
00828 cs->y = scale ? y * ZOOM_LVL_BASE : y;
00829 cs->next = -1;
00830
00831
00832
00833
00834 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00835 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00836 _vd.last_child = &cs->next;
00837 }
00838
00839 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00840 {
00841 assert(width != 0);
00842 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00843 ss->string = string;
00844 ss->x = x;
00845 ss->y = y;
00846 ss->params[0] = params_1;
00847 ss->params[1] = params_2;
00848 ss->width = width;
00849 ss->colour = colour;
00850 }
00851
00852
00864 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00865 {
00866
00867 if (_vd.foundation[foundation_part] == -1) {
00868
00869 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00870 } else {
00871
00872 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset * ZOOM_LVL_BASE);
00873 }
00874 }
00875
00882 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00883 {
00884 if (!IsValidTile(ti->tile)) return;
00885
00886 SpriteID sel;
00887 if (IsHalftileSlope(ti->tileh)) {
00888 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00889 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00890 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00891
00892 Corner opposite_corner = OppositeCorner(halftile_corner);
00893 if (IsSteepSlope(ti->tileh)) {
00894 sel = SPR_HALFTILE_SELECTION_DOWN;
00895 } else {
00896 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00897 }
00898 sel += opposite_corner;
00899 } else {
00900 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00901 }
00902 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00903 }
00904
00905 static bool IsPartOfAutoLine(int px, int py)
00906 {
00907 px -= _thd.selstart.x;
00908 py -= _thd.selstart.y;
00909
00910 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_LINE) return false;
00911
00912 switch (_thd.drawstyle & HT_DIR_MASK) {
00913 case HT_DIR_X: return py == 0;
00914 case HT_DIR_Y: return px == 0;
00915 case HT_DIR_HU: return px == -py || px == -py - 16;
00916 case HT_DIR_HL: return px == -py || px == -py + 16;
00917 case HT_DIR_VL: return px == py || px == py + 16;
00918 case HT_DIR_VR: return px == py || px == py - 16;
00919 default:
00920 NOT_REACHED();
00921 }
00922 }
00923
00924
00925 static const HighLightStyle _autorail_type[6][2] = {
00926 { HT_DIR_X, HT_DIR_X },
00927 { HT_DIR_Y, HT_DIR_Y },
00928 { HT_DIR_HU, HT_DIR_HL },
00929 { HT_DIR_HL, HT_DIR_HU },
00930 { HT_DIR_VL, HT_DIR_VR },
00931 { HT_DIR_VR, HT_DIR_VL }
00932 };
00933
00934 #include "table/autorail.h"
00935
00942 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00943 {
00944 SpriteID image;
00945 PaletteID pal;
00946 int offset;
00947
00948 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00949 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00950 if (IsHalftileSlope(ti->tileh)) {
00951 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00952 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00953 if (autorail_type != _lower_rail[halftile_corner]) {
00954 foundation_part = FOUNDATION_PART_HALFTILE;
00955
00956 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00957 }
00958 }
00959
00960 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00961 if (offset >= 0) {
00962 image = SPR_AUTORAIL_BASE + offset;
00963 pal = PAL_NONE;
00964 } else {
00965 image = SPR_AUTORAIL_BASE - offset;
00966 pal = PALETTE_SEL_TILE_RED;
00967 }
00968
00969 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00970 }
00971
00976 static void DrawTileSelection(const TileInfo *ti)
00977 {
00978
00979 bool is_redsq = _thd.redsq == ti->tile;
00980 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00981
00982
00983 if ((_thd.drawstyle & HT_DRAG_MASK) == HT_NONE) return;
00984
00985 if (_thd.diagonal) {
00986 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) goto draw_inner;
00987 return;
00988 }
00989
00990
00991 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00992 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00993 draw_inner:
00994 if (_thd.drawstyle & HT_RECT) {
00995 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00996 } else if (_thd.drawstyle & HT_POINT) {
00997
00998 int z = 0;
00999 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
01000 if (ti->tileh & SLOPE_N) {
01001 z += TILE_HEIGHT;
01002 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
01003 }
01004 if (IsHalftileSlope(ti->tileh)) {
01005 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
01006 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
01007 if (halftile_corner != CORNER_S) {
01008 foundation_part = FOUNDATION_PART_HALFTILE;
01009 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
01010 }
01011 }
01012 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01013 } else if (_thd.drawstyle & HT_RAIL) {
01014
01015 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01016 assert(type < HT_DIR_END);
01017 DrawAutorailSelection(ti, _autorail_type[type][0]);
01018 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01019
01020 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01021 uint side;
01022
01023 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01024 side = 0;
01025 } else {
01026 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01027 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01028 }
01029
01030 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01031 }
01032 return;
01033 }
01034
01035
01036 if (!is_redsq && _thd.outersize.x > 0 &&
01037 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01038 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01039
01040 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01041 return;
01042 }
01043 }
01044
01045 static void ViewportAddLandscape()
01046 {
01047 int x, y, width, height;
01048 TileInfo ti;
01049 bool direction;
01050
01051 _cur_ti = &ti;
01052
01053
01054 x = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) - (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT))) & ~TILE_UNIT_MASK;
01055 y = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) + (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT)) - TILE_SIZE) & ~TILE_UNIT_MASK;
01056
01057
01058 {
01059 Point pt = RemapCoords(x, y, 241);
01060 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 96 * ZOOM_LVL_BASE - 1) >> (6 + ZOOM_LVL_SHIFT);
01061 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> (5 + ZOOM_LVL_SHIFT) << 1;
01062 }
01063
01064 assert(width > 0);
01065 assert(height > 0);
01066
01067 direction = false;
01068
01069 do {
01070 int width_cur = width;
01071 uint x_cur = x;
01072 uint y_cur = y;
01073
01074 do {
01075 TileType tt = MP_VOID;
01076
01077 ti.x = x_cur;
01078 ti.y = y_cur;
01079
01080 ti.z = 0;
01081
01082 ti.tileh = SLOPE_FLAT;
01083 ti.tile = INVALID_TILE;
01084
01085 if (x_cur < MapMaxX() * TILE_SIZE &&
01086 y_cur < MapMaxY() * TILE_SIZE) {
01087 TileIndex tile = TileVirtXY(x_cur, y_cur);
01088
01089 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01090 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01091 uint maxh = max<uint>(TileHeight(tile), 1);
01092 for (uint h = 0; h < maxh; h++) {
01093 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01094 }
01095 }
01096
01097 ti.tile = tile;
01098 ti.tileh = GetTilePixelSlope(tile, &ti.z);
01099 tt = GetTileType(tile);
01100 }
01101 }
01102
01103 _vd.foundation_part = FOUNDATION_PART_NONE;
01104 _vd.foundation[0] = -1;
01105 _vd.foundation[1] = -1;
01106 _vd.last_foundation_child[0] = NULL;
01107 _vd.last_foundation_child[1] = NULL;
01108
01109 _tile_type_procs[tt]->draw_tile_proc(&ti);
01110
01111 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01112 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01113 TileIndex tile = TileVirtXY(x_cur, y_cur);
01114 ti.tile = tile;
01115 ti.tileh = GetTilePixelSlope(tile, &ti.z);
01116 tt = GetTileType(tile);
01117 }
01118 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01119
01120 y_cur += 0x10;
01121 x_cur -= 0x10;
01122 } while (--width_cur);
01123
01124 if ((direction ^= 1) != 0) {
01125 y += 0x10;
01126 } else {
01127 x += 0x10;
01128 }
01129 } while (--height);
01130 }
01131
01142 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)
01143 {
01144 bool small = dpi->zoom >= small_from;
01145
01146 int left = dpi->left;
01147 int top = dpi->top;
01148 int right = left + dpi->width;
01149 int bottom = top + dpi->height;
01150
01151 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01152 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01153
01154 if (bottom < sign->top ||
01155 top > sign->top + sign_height ||
01156 right < sign->center - sign_half_width ||
01157 left > sign->center + sign_half_width) {
01158 return;
01159 }
01160
01161 if (!small) {
01162 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01163 } else {
01164 int shadow_offset = 0;
01165 if (string_small_shadow != STR_NULL) {
01166 shadow_offset = 4;
01167 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01168 }
01169 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01170 colour, sign->width_small | 0x8000);
01171 }
01172 }
01173
01174 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01175 {
01176 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01177
01178 const Town *t;
01179 FOR_ALL_TOWNS(t) {
01180 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &t->cache.sign,
01181 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01182 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01183 t->index, t->cache.population);
01184 }
01185 }
01186
01187
01188 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01189 {
01190 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01191
01192 const BaseStation *st;
01193 FOR_ALL_BASE_STATIONS(st) {
01194
01195 bool is_station = Station::IsExpected(st);
01196
01197
01198 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01199
01200
01201 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01202
01203 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &st->sign,
01204 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01205 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01206 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01207 }
01208 }
01209
01210
01211 static void ViewportAddSigns(DrawPixelInfo *dpi)
01212 {
01213
01214 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01215
01216 const Sign *si;
01217 FOR_ALL_SIGNS(si) {
01218
01219
01220
01221 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner && si->owner != OWNER_DEITY) continue;
01222
01223 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &si->sign,
01224 STR_WHITE_SIGN,
01225 (IsTransparencySet(TO_SIGNS) || si->owner == OWNER_DEITY) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01226 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : (si->owner == OWNER_DEITY ? INVALID_COLOUR : _company_colours[si->owner]));
01227 }
01228 }
01229
01236 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01237 {
01238 if (this->width_normal != 0) this->MarkDirty();
01239
01240 this->top = top;
01241
01242 char buffer[DRAW_STRING_BUFFER];
01243
01244 GetString(buffer, str, lastof(buffer));
01245 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01246 this->center = center;
01247
01248
01249 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01250
01251 this->MarkDirty();
01252 }
01253
01260 void ViewportSign::MarkDirty(ZoomLevel maxzoom) const
01261 {
01262 Rect zoomlevels[ZOOM_LVL_COUNT];
01263
01264 for (ZoomLevel zoom = ZOOM_LVL_BEGIN; zoom != ZOOM_LVL_END; zoom++) {
01265
01266 zoomlevels[zoom].left = this->center - ScaleByZoom(this->width_normal / 2 + 1, zoom);
01267 zoomlevels[zoom].top = this->top - ScaleByZoom(1, zoom);
01268 zoomlevels[zoom].right = this->center + ScaleByZoom(this->width_normal / 2 + 1, zoom);
01269 zoomlevels[zoom].bottom = this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, zoom);
01270 }
01271
01272 Window *w;
01273 FOR_ALL_WINDOWS_FROM_BACK(w) {
01274 ViewPort *vp = w->viewport;
01275 if (vp != NULL && vp->zoom <= maxzoom) {
01276 assert(vp->width != 0);
01277 Rect &zl = zoomlevels[vp->zoom];
01278 MarkViewportDirty(vp, zl.left, zl.top, zl.right, zl.bottom);
01279 }
01280 }
01281 }
01282
01283 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01284 {
01285 const TileSpriteToDraw *tsend = tstdv->End();
01286 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01287 DrawSpriteViewport(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01288 }
01289 }
01290
01292 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01293 {
01294 ParentSpriteToDraw **psdvend = psdv->End();
01295 ParentSpriteToDraw **psd = psdv->Begin();
01296 while (psd != psdvend) {
01297 ParentSpriteToDraw *ps = *psd;
01298
01299 if (ps->comparison_done) {
01300 psd++;
01301 continue;
01302 }
01303
01304 ps->comparison_done = true;
01305
01306 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01307 ParentSpriteToDraw *ps2 = *psd2;
01308
01309 if (ps2->comparison_done) continue;
01310
01311
01312
01313
01314 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01315 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01316 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01317
01318
01319
01320
01321
01322
01323 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01324 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01325 continue;
01326 }
01327 } else {
01328
01329
01330
01331
01332 if (ps->xmax < ps2->xmin ||
01333 ps->ymax < ps2->ymin ||
01334 ps->zmax < ps2->zmin) {
01335 continue;
01336 }
01337 }
01338
01339
01340 ParentSpriteToDraw *temp = ps2;
01341 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01342 *psd3 = *(psd3 - 1);
01343 }
01344 *psd = temp;
01345 }
01346 }
01347 }
01348
01349 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01350 {
01351 const ParentSpriteToDraw * const *psd_end = psd->End();
01352 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01353 const ParentSpriteToDraw *ps = *it;
01354 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSpriteViewport(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01355
01356 int child_idx = ps->first_child;
01357 while (child_idx >= 0) {
01358 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01359 child_idx = cs->next;
01360 DrawSpriteViewport(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01361 }
01362 }
01363 }
01364
01369 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01370 {
01371 const ParentSpriteToDraw * const *psd_end = psd->End();
01372 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01373 const ParentSpriteToDraw *ps = *it;
01374 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01375 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01376 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01377 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01378
01379 DrawBox( pt1.x, pt1.y,
01380 pt2.x - pt1.x, pt2.y - pt1.y,
01381 pt3.x - pt1.x, pt3.y - pt1.y,
01382 pt4.x - pt1.x, pt4.y - pt1.y);
01383 }
01384 }
01385
01389 static void ViewportDrawDirtyBlocks()
01390 {
01391 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01392 const DrawPixelInfo *dpi = _cur_dpi;
01393 void *dst;
01394 int right = UnScaleByZoom(dpi->width, dpi->zoom);
01395 int bottom = UnScaleByZoom(dpi->height, dpi->zoom);
01396
01397 int colour = _string_colourmap[_dirty_block_colour & 0xF];
01398
01399 dst = dpi->dst_ptr;
01400
01401 byte bo = UnScaleByZoom(dpi->left + dpi->top, dpi->zoom) & 1;
01402 do {
01403 for (int i = (bo ^= 1); i < right; i += 2) blitter->SetPixel(dst, i, 0, (uint8)colour);
01404 dst = blitter->MoveTo(dst, 0, 1);
01405 } while (--bottom > 0);
01406 }
01407
01408 static void ViewportDrawStrings(ZoomLevel zoom, const StringSpriteToDrawVector *sstdv)
01409 {
01410 const StringSpriteToDraw *ssend = sstdv->End();
01411 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01412 TextColour colour = TC_BLACK;
01413 bool small = HasBit(ss->width, 15);
01414 int w = GB(ss->width, 0, 15);
01415 int x = UnScaleByZoom(ss->x, zoom);
01416 int y = UnScaleByZoom(ss->y, zoom);
01417 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01418
01419 SetDParam(0, ss->params[0]);
01420 SetDParam(1, ss->params[1]);
01421
01422 if (ss->colour != INVALID_COLOUR) {
01423
01424 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01425
01426 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01427
01428
01429
01430 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01431 } else {
01432
01433
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 }