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00029 #include "stdafx.h"
00030 #include "landscape.h"
00031 #include "viewport_func.h"
00032 #include "station_base.h"
00033 #include "waypoint_base.h"
00034 #include "town.h"
00035 #include "signs_base.h"
00036 #include "signs_func.h"
00037 #include "vehicle_base.h"
00038 #include "vehicle_gui.h"
00039 #include "blitter/factory.hpp"
00040 #include "strings_func.h"
00041 #include "zoom_func.h"
00042 #include "vehicle_func.h"
00043 #include "company_func.h"
00044 #include "waypoint_func.h"
00045 #include "window_func.h"
00046 #include "tilehighlight_func.h"
00047 #include "window_gui.h"
00048 #include "linkgraph_gui.h"
00049
00050 #include "table/strings.h"
00051
00052 Point _tile_fract_coords;
00053
00054 struct StringSpriteToDraw {
00055 StringID string;
00056 Colours colour;
00057 int32 x;
00058 int32 y;
00059 uint64 params[2];
00060 uint16 width;
00061 };
00062
00063 struct TileSpriteToDraw {
00064 SpriteID image;
00065 PaletteID pal;
00066 const SubSprite *sub;
00067 int32 x;
00068 int32 y;
00069 };
00070
00071 struct ChildScreenSpriteToDraw {
00072 SpriteID image;
00073 PaletteID pal;
00074 const SubSprite *sub;
00075 int32 x;
00076 int32 y;
00077 int next;
00078 };
00079
00081 struct ParentSpriteToDraw {
00082 SpriteID image;
00083 PaletteID pal;
00084 const SubSprite *sub;
00085
00086 int32 x;
00087 int32 y;
00088
00089 int32 left;
00090 int32 top;
00091
00092 int32 xmin;
00093 int32 xmax;
00094 int32 ymin;
00095 int32 ymax;
00096 int zmin;
00097 int zmax;
00098
00099 int first_child;
00100 bool comparison_done;
00101 };
00102
00104 enum FoundationPart {
00105 FOUNDATION_PART_NONE = 0xFF,
00106 FOUNDATION_PART_NORMAL = 0,
00107 FOUNDATION_PART_HALFTILE = 1,
00108 FOUNDATION_PART_END
00109 };
00110
00115 enum SpriteCombineMode {
00116 SPRITE_COMBINE_NONE,
00117 SPRITE_COMBINE_PENDING,
00118 SPRITE_COMBINE_ACTIVE,
00119 };
00120
00121 typedef SmallVector<TileSpriteToDraw, 64> TileSpriteToDrawVector;
00122 typedef SmallVector<StringSpriteToDraw, 4> StringSpriteToDrawVector;
00123 typedef SmallVector<ParentSpriteToDraw, 64> ParentSpriteToDrawVector;
00124 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
00125 typedef SmallVector<ChildScreenSpriteToDraw, 16> ChildScreenSpriteToDrawVector;
00126
00128 struct ViewportDrawer {
00129 DrawPixelInfo dpi;
00130
00131 StringSpriteToDrawVector string_sprites_to_draw;
00132 TileSpriteToDrawVector tile_sprites_to_draw;
00133 ParentSpriteToDrawVector parent_sprites_to_draw;
00134 ParentSpriteToSortVector parent_sprites_to_sort;
00135 ChildScreenSpriteToDrawVector child_screen_sprites_to_draw;
00136
00137 int *last_child;
00138
00139 SpriteCombineMode combine_sprites;
00140
00141 int foundation[FOUNDATION_PART_END];
00142 FoundationPart foundation_part;
00143 int *last_foundation_child[FOUNDATION_PART_END];
00144 Point foundation_offset[FOUNDATION_PART_END];
00145 };
00146
00147 static ViewportDrawer _vd;
00148
00149 TileHighlightData _thd;
00150 static TileInfo *_cur_ti;
00151 bool _draw_bounding_boxes = false;
00152
00153 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00154 {
00155 Point p = RemapCoords(x, y, z);
00156 p.x -= vp->virtual_width / 2;
00157 p.y -= vp->virtual_height / 2;
00158 return p;
00159 }
00160
00161 void DeleteWindowViewport(Window *w)
00162 {
00163 free(w->viewport);
00164 w->viewport = NULL;
00165 }
00166
00179 void InitializeWindowViewport(Window *w, int x, int y,
00180 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00181 {
00182 assert(w->viewport == NULL);
00183
00184 ViewportData *vp = CallocT<ViewportData>(1);
00185
00186 vp->left = x + w->left;
00187 vp->top = y + w->top;
00188 vp->width = width;
00189 vp->height = height;
00190
00191 vp->zoom = zoom;
00192
00193 vp->virtual_width = ScaleByZoom(width, zoom);
00194 vp->virtual_height = ScaleByZoom(height, zoom);
00195
00196 Point pt;
00197
00198 if (follow_flags & 0x80000000) {
00199 const Vehicle *veh;
00200
00201 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFFF);
00202 veh = Vehicle::Get(vp->follow_vehicle);
00203 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00204 } else {
00205 uint x = TileX(follow_flags) * TILE_SIZE;
00206 uint y = TileY(follow_flags) * TILE_SIZE;
00207
00208 vp->follow_vehicle = INVALID_VEHICLE;
00209 pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
00210 }
00211
00212 vp->scrollpos_x = pt.x;
00213 vp->scrollpos_y = pt.y;
00214 vp->dest_scrollpos_x = pt.x;
00215 vp->dest_scrollpos_y = pt.y;
00216
00217 vp->overlay = NULL;
00218
00219 w->viewport = vp;
00220 vp->virtual_left = 0;
00221 vp->virtual_top = 0;
00222 }
00223
00224 static Point _vp_move_offs;
00225
00226 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00227 {
00228 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00229 if (left + width > w->left &&
00230 w->left + w->width > left &&
00231 top + height > w->top &&
00232 w->top + w->height > top) {
00233
00234 if (left < w->left) {
00235 DoSetViewportPosition(w, left, top, w->left - left, height);
00236 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00237 return;
00238 }
00239
00240 if (left + width > w->left + w->width) {
00241 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00242 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00243 return;
00244 }
00245
00246 if (top < w->top) {
00247 DoSetViewportPosition(w, left, top, width, (w->top - top));
00248 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00249 return;
00250 }
00251
00252 if (top + height > w->top + w->height) {
00253 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00254 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00255 return;
00256 }
00257
00258 return;
00259 }
00260 }
00261
00262 {
00263 int xo = _vp_move_offs.x;
00264 int yo = _vp_move_offs.y;
00265
00266 if (abs(xo) >= width || abs(yo) >= height) {
00267
00268 RedrawScreenRect(left, top, left + width, top + height);
00269 return;
00270 }
00271
00272 GfxScroll(left, top, width, height, xo, yo);
00273
00274 if (xo > 0) {
00275 RedrawScreenRect(left, top, xo + left, top + height);
00276 left += xo;
00277 width -= xo;
00278 } else if (xo < 0) {
00279 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00280 width += xo;
00281 }
00282
00283 if (yo > 0) {
00284 RedrawScreenRect(left, top, width + left, top + yo);
00285 } else if (yo < 0) {
00286 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00287 }
00288 }
00289 }
00290
00291 static void SetViewportPosition(Window *w, int x, int y)
00292 {
00293 ViewPort *vp = w->viewport;
00294 int old_left = vp->virtual_left;
00295 int old_top = vp->virtual_top;
00296 int i;
00297 int left, top, width, height;
00298
00299 vp->virtual_left = x;
00300 vp->virtual_top = y;
00301
00302
00303
00304
00305 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00306 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00307 x = UnScaleByZoomLower(x, vp->zoom);
00308 y = UnScaleByZoomLower(y, vp->zoom);
00309
00310 old_left -= x;
00311 old_top -= y;
00312
00313 if (old_top == 0 && old_left == 0) return;
00314
00315 _vp_move_offs.x = old_left;
00316 _vp_move_offs.y = old_top;
00317
00318 left = vp->left;
00319 top = vp->top;
00320 width = vp->width;
00321 height = vp->height;
00322
00323 if (left < 0) {
00324 width += left;
00325 left = 0;
00326 }
00327
00328 i = left + width - _screen.width;
00329 if (i >= 0) width -= i;
00330
00331 if (width > 0) {
00332 if (top < 0) {
00333 height += top;
00334 top = 0;
00335 }
00336
00337 i = top + height - _screen.height;
00338 if (i >= 0) height -= i;
00339
00340 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00341 }
00342 }
00343
00352 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00353 {
00354 ViewPort *vp = w->viewport;
00355
00356 if (vp != NULL &&
00357 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00358 IsInsideMM(y, vp->top, vp->top + vp->height))
00359 return vp;
00360
00361 return NULL;
00362 }
00363
00371 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00372 {
00373 Point pt;
00374 int a, b;
00375 uint z;
00376
00377 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00378 (uint)(y -= vp->top) >= (uint)vp->height) {
00379 Point pt = {-1, -1};
00380 return pt;
00381 }
00382
00383 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> 2;
00384 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> 1;
00385
00386 a = y - x;
00387 b = y + x;
00388
00389
00390
00391
00392 a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00393 b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00394
00395
00396
00397
00398
00399
00400
00401
00402 z = 0;
00403
00404 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00405
00406 for (int i = 0; i < 5; i++) z = GetSlopeZ(Clamp(a + (int)max(z, 4u) - 4, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + (int)max(z, 4u) - 4, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00407 for (uint malus = 3; malus > 0; malus--) z = GetSlopeZ(Clamp(a + (int)max(z, malus) - (int)malus, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + (int)max(z, malus) - (int)malus, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00408 for (int i = 0; i < 5; i++) z = GetSlopeZ(Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00409
00410 pt.x = Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1);
00411 pt.y = Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1);
00412
00413 return pt;
00414 }
00415
00416
00417
00418
00419 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00420 {
00421 Window *w;
00422 ViewPort *vp;
00423 Point pt;
00424
00425 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00426 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00427 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00428
00429 pt.y = pt.x = -1;
00430 return pt;
00431 }
00432
00433 Point GetTileBelowCursor()
00434 {
00435 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00436 }
00437
00438
00439 Point GetTileZoomCenterWindow(bool in, Window * w)
00440 {
00441 int x, y;
00442 ViewPort *vp = w->viewport;
00443
00444 if (in) {
00445 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00446 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00447 } else {
00448 x = vp->width - (_cursor.pos.x - vp->left);
00449 y = vp->height - (_cursor.pos.y - vp->top);
00450 }
00451
00452 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00453 }
00454
00463 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00464 {
00465 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
00466 w->SetWidgetDirty(widget_zoom_in);
00467
00468 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
00469 w->SetWidgetDirty(widget_zoom_out);
00470 }
00471
00484 static void AddTileSpriteToDraw(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0)
00485 {
00486 assert((image & SPRITE_MASK) < MAX_SPRITES);
00487
00488 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00489 ts->image = image;
00490 ts->pal = pal;
00491 ts->sub = sub;
00492 Point pt = RemapCoords(x, y, z);
00493 ts->x = pt.x + extra_offs_x;
00494 ts->y = pt.y + extra_offs_y;
00495 }
00496
00509 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00510 {
00511 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00512 assert(_vd.foundation[foundation_part] != -1);
00513 Point offs = _vd.foundation_offset[foundation_part];
00514
00515
00516 int *old_child = _vd.last_child;
00517 _vd.last_child = _vd.last_foundation_child[foundation_part];
00518
00519 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
00520
00521
00522 _vd.last_child = old_child;
00523 }
00524
00538 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00539 {
00540
00541 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00542
00543 if (_vd.foundation[_vd.foundation_part] != -1) {
00544 Point pt = RemapCoords(x, y, z);
00545 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x, pt.y + extra_offs_y);
00546 } else {
00547 AddTileSpriteToDraw(image, pal, _cur_ti->x + x, _cur_ti->y + y, _cur_ti->z + z, sub, extra_offs_x, extra_offs_y);
00548 }
00549 }
00550
00561 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00562 {
00563 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00564 }
00565
00573 void OffsetGroundSprite(int x, int y)
00574 {
00575
00576 switch (_vd.foundation_part) {
00577 case FOUNDATION_PART_NONE:
00578 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00579 break;
00580 case FOUNDATION_PART_NORMAL:
00581 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00582 break;
00583 default: NOT_REACHED();
00584 }
00585
00586
00587 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00588
00589 _vd.foundation_offset[_vd.foundation_part].x = x;
00590 _vd.foundation_offset[_vd.foundation_part].y = y;
00591 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00592 }
00593
00605 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, byte z, const SubSprite *sub)
00606 {
00607 Point pt = RemapCoords(x, y, z);
00608 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00609
00610 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00611 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00612 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00613 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00614 return;
00615
00616 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00617 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub);
00618 }
00619
00645 void AddSortableSpriteToDraw(SpriteID image, PaletteID pal, int x, int y, int w, int h, int dz, int z, bool transparent, int bb_offset_x, int bb_offset_y, int bb_offset_z, const SubSprite *sub)
00646 {
00647 int32 left, right, top, bottom;
00648
00649 assert((image & SPRITE_MASK) < MAX_SPRITES);
00650
00651
00652 if (transparent) {
00653 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00654 pal = PALETTE_TO_TRANSPARENT;
00655 }
00656
00657 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00658 AddCombinedSprite(image, pal, x, y, z, sub);
00659 return;
00660 }
00661
00662 _vd.last_child = NULL;
00663
00664 Point pt = RemapCoords(x, y, z);
00665 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00666
00667
00668 if (image == SPR_EMPTY_BOUNDING_BOX) {
00669 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00670 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00671 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00672 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00673 } else {
00674 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00675 left = tmp_left = (pt.x += spr->x_offs);
00676 right = (pt.x + spr->width );
00677 top = tmp_top = (pt.y += spr->y_offs);
00678 bottom = (pt.y + spr->height);
00679 }
00680
00681 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00682
00683 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00684 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00685 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00686 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00687 }
00688
00689
00690 if (left >= _vd.dpi.left + _vd.dpi.width ||
00691 right <= _vd.dpi.left ||
00692 top >= _vd.dpi.top + _vd.dpi.height ||
00693 bottom <= _vd.dpi.top) {
00694 return;
00695 }
00696
00697 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00698 ps->x = tmp_x;
00699 ps->y = tmp_y;
00700
00701 ps->left = tmp_left;
00702 ps->top = tmp_top;
00703
00704 ps->image = image;
00705 ps->pal = pal;
00706 ps->sub = sub;
00707 ps->xmin = x + bb_offset_x;
00708 ps->xmax = x + max(bb_offset_x, w) - 1;
00709
00710 ps->ymin = y + bb_offset_y;
00711 ps->ymax = y + max(bb_offset_y, h) - 1;
00712
00713 ps->zmin = z + bb_offset_z;
00714 ps->zmax = z + max(bb_offset_z, dz) - 1;
00715
00716 ps->comparison_done = false;
00717 ps->first_child = -1;
00718
00719 _vd.last_child = &ps->first_child;
00720
00721 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00722 }
00723
00742 void StartSpriteCombine()
00743 {
00744 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00745 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00746 }
00747
00752 void EndSpriteCombine()
00753 {
00754 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00755 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00756 }
00757
00767 static bool IsInRangeInclusive(int begin, int end, int check)
00768 {
00769 if (begin > end) Swap(begin, end);
00770 return begin <= check && check <= end;
00771 }
00772
00779 bool IsInsideRotatedRectangle(int x, int y)
00780 {
00781 int dist_a = (_thd.size.x + _thd.size.y);
00782 int dist_b = (_thd.size.x - _thd.size.y);
00783 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00784 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00785
00786
00787 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00788 }
00789
00800 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub)
00801 {
00802 assert((image & SPRITE_MASK) < MAX_SPRITES);
00803
00804
00805 if (_vd.last_child == NULL) return;
00806
00807
00808 if (transparent) {
00809 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00810 pal = PALETTE_TO_TRANSPARENT;
00811 }
00812
00813 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00814
00815 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00816 cs->image = image;
00817 cs->pal = pal;
00818 cs->sub = sub;
00819 cs->x = x;
00820 cs->y = y;
00821 cs->next = -1;
00822
00823
00824
00825
00826 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00827 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00828 _vd.last_child = &cs->next;
00829 }
00830
00831 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00832 {
00833 assert(width != 0);
00834 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00835 ss->string = string;
00836 ss->x = x;
00837 ss->y = y;
00838 ss->params[0] = params_1;
00839 ss->params[1] = params_2;
00840 ss->width = width;
00841 ss->colour = colour;
00842 }
00843
00844
00856 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00857 {
00858
00859 if (_vd.foundation[foundation_part] == -1) {
00860
00861 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00862 } else {
00863
00864 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
00865 }
00866 }
00867
00874 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00875 {
00876 if (!IsValidTile(ti->tile)) return;
00877
00878 SpriteID sel;
00879 if (IsHalftileSlope(ti->tileh)) {
00880 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00881 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00882 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00883
00884 Corner opposite_corner = OppositeCorner(halftile_corner);
00885 if (IsSteepSlope(ti->tileh)) {
00886 sel = SPR_HALFTILE_SELECTION_DOWN;
00887 } else {
00888 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00889 }
00890 sel += opposite_corner;
00891 } else {
00892 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00893 }
00894 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00895 }
00896
00897 static bool IsPartOfAutoLine(int px, int py)
00898 {
00899 px -= _thd.selstart.x;
00900 py -= _thd.selstart.y;
00901
00902 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_LINE) return false;
00903
00904 switch (_thd.drawstyle & HT_DIR_MASK) {
00905 case HT_DIR_X: return py == 0;
00906 case HT_DIR_Y: return px == 0;
00907 case HT_DIR_HU: return px == -py || px == -py - 16;
00908 case HT_DIR_HL: return px == -py || px == -py + 16;
00909 case HT_DIR_VL: return px == py || px == py + 16;
00910 case HT_DIR_VR: return px == py || px == py - 16;
00911 default:
00912 NOT_REACHED();
00913 }
00914 }
00915
00916
00917 static const HighLightStyle _autorail_type[6][2] = {
00918 { HT_DIR_X, HT_DIR_X },
00919 { HT_DIR_Y, HT_DIR_Y },
00920 { HT_DIR_HU, HT_DIR_HL },
00921 { HT_DIR_HL, HT_DIR_HU },
00922 { HT_DIR_VL, HT_DIR_VR },
00923 { HT_DIR_VR, HT_DIR_VL }
00924 };
00925
00926 #include "table/autorail.h"
00927
00934 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00935 {
00936 SpriteID image;
00937 PaletteID pal;
00938 int offset;
00939
00940 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00941 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00942 if (IsHalftileSlope(ti->tileh)) {
00943 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00944 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00945 if (autorail_type != _lower_rail[halftile_corner]) {
00946 foundation_part = FOUNDATION_PART_HALFTILE;
00947
00948 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00949 }
00950 }
00951
00952 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00953 if (offset >= 0) {
00954 image = SPR_AUTORAIL_BASE + offset;
00955 pal = PAL_NONE;
00956 } else {
00957 image = SPR_AUTORAIL_BASE - offset;
00958 pal = PALETTE_SEL_TILE_RED;
00959 }
00960
00961 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00962 }
00963
00968 static void DrawTileSelection(const TileInfo *ti)
00969 {
00970
00971 bool is_redsq = _thd.redsq == ti->tile;
00972 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00973
00974
00975 if ((_thd.drawstyle & HT_DRAG_MASK) == HT_NONE) return;
00976
00977 if (_thd.diagonal) {
00978 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) goto draw_inner;
00979 return;
00980 }
00981
00982
00983 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00984 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00985 draw_inner:
00986 if (_thd.drawstyle & HT_RECT) {
00987 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00988 } else if (_thd.drawstyle & HT_POINT) {
00989
00990 byte z = 0;
00991 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00992 if (ti->tileh & SLOPE_N) {
00993 z += TILE_HEIGHT;
00994 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00995 }
00996 if (IsHalftileSlope(ti->tileh)) {
00997 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00998 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
00999 if (halftile_corner != CORNER_S) {
01000 foundation_part = FOUNDATION_PART_HALFTILE;
01001 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
01002 }
01003 }
01004 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01005 } else if (_thd.drawstyle & HT_RAIL) {
01006
01007 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01008 assert(type < HT_DIR_END);
01009 DrawAutorailSelection(ti, _autorail_type[type][0]);
01010 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01011
01012 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01013 uint side;
01014
01015 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01016 side = 0;
01017 } else {
01018 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01019 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01020 }
01021
01022 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01023 }
01024 return;
01025 }
01026
01027
01028 if (!is_redsq && _thd.outersize.x > 0 &&
01029 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01030 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01031
01032 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01033 return;
01034 }
01035 }
01036
01037 static void ViewportAddLandscape()
01038 {
01039 int x, y, width, height;
01040 TileInfo ti;
01041 bool direction;
01042
01043 _cur_ti = &ti;
01044
01045
01046 x = ((_vd.dpi.top >> 1) - (_vd.dpi.left >> 2)) & ~TILE_UNIT_MASK;
01047 y = ((_vd.dpi.top >> 1) + (_vd.dpi.left >> 2) - TILE_SIZE) & ~TILE_UNIT_MASK;
01048
01049
01050 {
01051 Point pt = RemapCoords(x, y, 241);
01052 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 95) >> 6;
01053 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> 5 << 1;
01054 }
01055
01056 assert(width > 0);
01057 assert(height > 0);
01058
01059 direction = false;
01060
01061 do {
01062 int width_cur = width;
01063 uint x_cur = x;
01064 uint y_cur = y;
01065
01066 do {
01067 TileType tt = MP_VOID;
01068
01069 ti.x = x_cur;
01070 ti.y = y_cur;
01071
01072 ti.z = 0;
01073
01074 ti.tileh = SLOPE_FLAT;
01075 ti.tile = INVALID_TILE;
01076
01077 if (x_cur < MapMaxX() * TILE_SIZE &&
01078 y_cur < MapMaxY() * TILE_SIZE) {
01079 TileIndex tile = TileVirtXY(x_cur, y_cur);
01080
01081 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01082 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01083 uint maxh = max<uint>(TileHeight(tile), 1);
01084 for (uint h = 0; h < maxh; h++) {
01085 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01086 }
01087 }
01088
01089 ti.tile = tile;
01090 ti.tileh = GetTileSlope(tile, &ti.z);
01091 tt = GetTileType(tile);
01092 }
01093 }
01094
01095 _vd.foundation_part = FOUNDATION_PART_NONE;
01096 _vd.foundation[0] = -1;
01097 _vd.foundation[1] = -1;
01098 _vd.last_foundation_child[0] = NULL;
01099 _vd.last_foundation_child[1] = NULL;
01100
01101 _tile_type_procs[tt]->draw_tile_proc(&ti);
01102
01103 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01104 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01105 TileIndex tile = TileVirtXY(x_cur, y_cur);
01106 ti.tile = tile;
01107 ti.tileh = GetTileSlope(tile, &ti.z);
01108 tt = GetTileType(tile);
01109 }
01110 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01111
01112 y_cur += 0x10;
01113 x_cur -= 0x10;
01114 } while (--width_cur);
01115
01116 if ((direction ^= 1) != 0) {
01117 y += 0x10;
01118 } else {
01119 x += 0x10;
01120 }
01121 } while (--height);
01122 }
01123
01134 void ViewportAddString(const DrawPixelInfo *dpi, ZoomLevel small_from, const ViewportSign *sign, StringID string_normal, StringID string_small, StringID string_small_shadow, uint64 params_1, uint64 params_2, Colours colour)
01135 {
01136 bool small = dpi->zoom >= small_from;
01137
01138 int left = dpi->left;
01139 int top = dpi->top;
01140 int right = left + dpi->width;
01141 int bottom = top + dpi->height;
01142
01143 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01144 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01145
01146 if (bottom < sign->top ||
01147 top > sign->top + sign_height ||
01148 right < sign->center - sign_half_width ||
01149 left > sign->center + sign_half_width) {
01150 return;
01151 }
01152
01153 if (!small) {
01154 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01155 } else {
01156 int shadow_offset = 0;
01157 if (string_small_shadow != STR_NULL) {
01158 shadow_offset = 4;
01159 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01160 }
01161 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01162 colour, sign->width_small | 0x8000);
01163 }
01164 }
01165
01166 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01167 {
01168 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01169
01170 const Town *t;
01171 FOR_ALL_TOWNS(t) {
01172 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &t->sign,
01173 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01174 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01175 t->index, t->population);
01176 }
01177 }
01178
01179
01180 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01181 {
01182 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01183
01184 const BaseStation *st;
01185 FOR_ALL_BASE_STATIONS(st) {
01186
01187 bool is_station = Station::IsExpected(st);
01188
01189
01190 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01191
01192 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &st->sign,
01193 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01194 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01195 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01196 }
01197 }
01198
01199
01200 static void ViewportAddSigns(DrawPixelInfo *dpi)
01201 {
01202
01203 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01204
01205 const Sign *si;
01206 FOR_ALL_SIGNS(si) {
01207 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &si->sign,
01208 STR_WHITE_SIGN,
01209 IsTransparencySet(TO_SIGNS) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01210 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : _company_colours[si->owner]);
01211 }
01212 }
01213
01220 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01221 {
01222 if (this->width_normal != 0) this->MarkDirty();
01223
01224 this->top = top;
01225
01226 char buffer[DRAW_STRING_BUFFER];
01227
01228 GetString(buffer, str, lastof(buffer));
01229 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01230 this->center = center;
01231
01232
01233 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01234
01235 this->MarkDirty();
01236 }
01237
01243 void ViewportSign::MarkDirty() const
01244 {
01245
01246
01247
01248
01249 MarkAllViewportsDirty(
01250 this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01251 this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
01252 this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01253 this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
01254 }
01255
01256 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01257 {
01258 const TileSpriteToDraw *tsend = tstdv->End();
01259 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01260 DrawSprite(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01261 }
01262 }
01263
01265 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01266 {
01267 ParentSpriteToDraw **psdvend = psdv->End();
01268 ParentSpriteToDraw **psd = psdv->Begin();
01269 while (psd != psdvend) {
01270 ParentSpriteToDraw *ps = *psd;
01271
01272 if (ps->comparison_done) {
01273 psd++;
01274 continue;
01275 }
01276
01277 ps->comparison_done = true;
01278
01279 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01280 ParentSpriteToDraw *ps2 = *psd2;
01281
01282 if (ps2->comparison_done) continue;
01283
01284
01285
01286
01287 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01288 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01289 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01290
01291
01292
01293
01294
01295
01296 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01297 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01298 continue;
01299 }
01300 } else {
01301
01302
01303
01304
01305 if (ps->xmax < ps2->xmin ||
01306 ps->ymax < ps2->ymin ||
01307 ps->zmax < ps2->zmin) {
01308 continue;
01309 }
01310 }
01311
01312
01313 ParentSpriteToDraw *temp = ps2;
01314 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01315 *psd3 = *(psd3 - 1);
01316 }
01317 *psd = temp;
01318 }
01319 }
01320 }
01321
01322 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01323 {
01324 const ParentSpriteToDraw * const *psd_end = psd->End();
01325 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01326 const ParentSpriteToDraw *ps = *it;
01327 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01328
01329 int child_idx = ps->first_child;
01330 while (child_idx >= 0) {
01331 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01332 child_idx = cs->next;
01333 DrawSprite(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01334 }
01335 }
01336 }
01337
01342 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01343 {
01344 const ParentSpriteToDraw * const *psd_end = psd->End();
01345 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01346 const ParentSpriteToDraw *ps = *it;
01347 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01348 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01349 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01350 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01351
01352 DrawBox( pt1.x, pt1.y,
01353 pt2.x - pt1.x, pt2.y - pt1.y,
01354 pt3.x - pt1.x, pt3.y - pt1.y,
01355 pt4.x - pt1.x, pt4.y - pt1.y);
01356 }
01357 }
01358
01359 static void ViewportDrawStrings(ZoomLevel zoom, const StringSpriteToDrawVector *sstdv)
01360 {
01361 const StringSpriteToDraw *ssend = sstdv->End();
01362 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01363 TextColour colour = TC_BLACK;
01364 bool small = HasBit(ss->width, 15);
01365 int w = GB(ss->width, 0, 15);
01366 int x = UnScaleByZoom(ss->x, zoom);
01367 int y = UnScaleByZoom(ss->y, zoom);
01368 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01369
01370 SetDParam(0, ss->params[0]);
01371 SetDParam(1, ss->params[1]);
01372
01373 if (ss->colour != INVALID_COLOUR) {
01374
01375 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01376
01377
01378
01379 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01380
01381
01382 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01383 }
01384
01385
01386
01387 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01388 DrawFrameRect(
01389 x, y, x + w, y + h, ss->colour,
01390 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01391 );
01392 }
01393 }
01394
01395 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01396 }
01397 }
01398
01399 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01400 {
01401 DrawPixelInfo *old_dpi = _cur_dpi;
01402 _cur_dpi = &_vd.dpi;
01403
01404 _vd.dpi.zoom = vp->zoom;
01405 int mask = ScaleByZoom(-1, vp->zoom);
01406
01407 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01408
01409 _vd.dpi.width = (right - left) & mask;
01410 _vd.dpi.height = (bottom - top) & mask;
01411 _vd.dpi.left = left & mask;
01412 _vd.dpi.top = top & mask;
01413 _vd.dpi.pitch = old_dpi->pitch;
01414 _vd.last_child = NULL;
01415
01416 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01417 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01418
01419 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01420
01421 ViewportAddLandscape();
01422 ViewportAddVehicles(&_vd.dpi);
01423
01424 ViewportAddTownNames(&_vd.dpi);
01425 ViewportAddStationNames(&_vd.dpi);
01426 ViewportAddSigns(&_vd.dpi);
01427
01428 DrawTextEffects(&_vd.dpi);
01429
01430 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01431
01432 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01433 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01434 *_vd.parent_sprites_to_sort.Append() = it;
01435 }
01436
01437 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01438 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01439
01440 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01441
01442 DrawPixelInfo dp = _vd.dpi;
01443 ZoomLevel zoom = _vd.dpi.zoom;
01444 dp.zoom = ZOOM_LVL_NORMAL;
01445 dp.width = UnScaleByZoom(dp.width, zoom);
01446 dp.height = UnScaleByZoom(dp.height, zoom);
01447 _cur_dpi = &dp;
01448
01449
01450 dp.left = x;
01451 dp.top = y;
01452
01453 if (vp->overlay != NULL) vp->overlay->Draw(&dp);
01454
01455
01456 dp.left = UnScaleByZoom(_vd.dpi.left, zoom);
01457 dp.top = UnScaleByZoom(_vd.dpi.top, zoom);
01458
01459 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(zoom, &_vd.string_sprites_to_draw);
01460
01461 _cur_dpi = old_dpi;
01462
01463 _vd.string_sprites_to_draw.Clear();
01464 _vd.tile_sprites_to_draw.Clear();
01465 _vd.parent_sprites_to_draw.Clear();
01466 _vd.parent_sprites_to_sort.Clear();
01467 _vd.child_screen_sprites_to_draw.Clear();
01468 }
01469
01474 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01475 {
01476 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000) {
01477 if ((bottom - top) > (right - left)) {
01478 int t = (top + bottom) >> 1;
01479 ViewportDrawChk(vp, left, top, right, t);
01480 ViewportDrawChk(vp, left, t, right, bottom);
01481 } else {
01482 int t = (left + right) >> 1;
01483 ViewportDrawChk(vp, left, top, t, bottom);
01484 ViewportDrawChk(vp, t, top, right, bottom);
01485 }
01486 } else {
01487 ViewportDoDraw(vp,
01488 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01489 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01490 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01491 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01492 );
01493 }
01494 }
01495
01496 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01497 {
01498 if (right <= vp->left || bottom <= vp->top) return;
01499
01500 if (left >= vp->left + vp->width) return;
01501
01502 if (left < vp->left) left = vp->left;
01503 if (right > vp->left + vp->width) right = vp->left + vp->width;
01504
01505 if (top >= vp->top + vp->height) return;
01506
01507 if (top < vp->top) top = vp->top;
01508 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01509
01510 ViewportDrawChk(vp, left, top, right, bottom);
01511 }
01512
01516 void Window::DrawViewport() const
01517 {
01518 DrawPixelInfo *dpi = _cur_dpi;
01519
01520 dpi->left += this->left;
01521 dpi->top += this->top;
01522
01523 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01524
01525 dpi->left -= this->left;
01526 dpi->top -= this->top;
01527 }
01528
01529 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01530 {
01531
01532 x += vp->virtual_width / 2;
01533 y += vp->virtual_height / 2;
01534
01535
01536
01537 int vx = -x + y * 2;
01538 int vy = x + y * 2;
01539
01540
01541 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4);
01542 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4);
01543
01544
01545 x = (-vx + vy) / 2;
01546 y = ( vx + vy) / 4;
01547
01548
01549 x -= vp->virtual_width / 2;
01550 y -= vp->virtual_height / 2;
01551 }
01552
01557 void UpdateViewportPosition(Window *w)
01558 {
01559 const ViewPort *vp = w->viewport;
01560
01561 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01562 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01563 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01564
01565 w->viewport->scrollpos_x = pt.x;
01566 w->viewport->scrollpos_y = pt.y;
01567 SetViewportPosition(w, pt.x, pt.y);
01568 } else {
01569
01570 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01571
01572 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01573 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01574
01575 bool update_overlay = false;
01576 if (delta_x != 0 || delta_y != 0) {
01577 if (_settings_client.gui.smooth_scroll) {
01578 int max_scroll = ScaleByMapSize1D(512);
01579
01580 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01581 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01582 } else {
01583 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01584 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01585 }
01586 update_overlay = (w->viewport->scrollpos_x == w->viewport->dest_scrollpos_x &&
01587 w->viewport->scrollpos_y == w->viewport->dest_scrollpos_y);
01588 }
01589
01590 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01591
01592 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01593 if (update_overlay) RebuildViewportOverlay(w);
01594 }
01595 }
01596
01606 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01607 {
01608 right -= vp->virtual_left;
01609 if (right <= 0) return;
01610
01611 bottom -= vp->virtual_top;
01612 if (bottom <= 0) return;
01613
01614 left = max(0, left - vp->virtual_left);
01615
01616 if (left >= vp->virtual_width) return;
01617
01618 top = max(0, top - vp->virtual_top);
01619
01620 if (top >= vp->virtual_height) return;
01621
01622 SetDirtyBlocks(
01623 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01624 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01625 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01626 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01627 );
01628 }
01629
01638 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01639 {
01640 Window *w;
01641 FOR_ALL_WINDOWS_FROM_BACK(w) {
01642 ViewPort *vp = w->viewport;
01643 if (vp != NULL) {
01644 assert(vp->width != 0);
01645 MarkViewportDirty(vp, left, top, right, bottom);
01646 }
01647 }
01648 }
01649
01655 void MarkTileDirtyByTile(TileIndex tile)
01656 {
01657 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
01658 MarkAllViewportsDirty(
01659 pt.x - 31,
01660 pt.y - 122,
01661 pt.x - 31 + 67,
01662 pt.y - 122 + 154
01663 );
01664 }
01665
01673 static void SetSelectionTilesDirty()
01674 {
01675 int x_size = _thd.size.x;
01676 int y_size = _thd.size.y;
01677
01678 if (!_thd.diagonal) {
01679 int x_start = _thd.pos.x;
01680 int y_start = _thd.pos.y;
01681
01682 if (_thd.outersize.x != 0) {
01683 x_size += _thd.outersize.x;
01684 x_start += _thd.offs.x;
01685 y_size += _thd.outersize.y;
01686 y_start += _thd.offs.y;
01687 }
01688
01689 x_size -= TILE_SIZE;
01690 y_size -= TILE_SIZE;
01691
01692 assert(x_size >= 0);
01693 assert(y_size >= 0);
01694
01695 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01696 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01697
01698 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01699 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01700
01701
01702 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01703
01704
01705
01706
01707
01708
01709
01710
01711
01712
01713
01714
01715
01716
01717
01718
01719
01720
01721
01722 int top_x = x_end;
01723 int top_y = y_start;
01724 int bot_x = top_x;
01725 int bot_y = top_y;
01726
01727 do {
01728 Point top = RemapCoords2(top_x, top_y);
01729 Point bot = RemapCoords2(bot_x + TILE_SIZE - 1, bot_y + TILE_SIZE - 1);
01730
01731
01732
01733
01734 int l = top.x - (TILE_PIXELS - 2);
01735 int t = top.y;
01736 int r = top.x + (TILE_PIXELS - 2);
01737 int b = bot.y;
01738
01739 static const int OVERLAY_WIDTH = 4;
01740
01741
01742 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH);
01743
01744
01745 if (top_x != x_start) {
01746 top_x -= TILE_SIZE;
01747 } else {
01748 top_y += TILE_SIZE;
01749 }
01750
01751
01752 if (bot_y != y_end) {
01753 bot_y += TILE_SIZE;
01754 } else {
01755 bot_x -= TILE_SIZE;
01756 }
01757 } while (bot_x >= top_x);
01758 } else {
01759
01760 int a_size = x_size + y_size, b_size = x_size - y_size;
01761
01762 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01763 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01764
01765 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01766 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01767 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01768 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01769
01770 if (x < MapMaxX() && y < MapMaxY()) {
01771 MarkTileDirtyByTile(TileXY(x, y));
01772 }
01773 }
01774 }
01775 }
01776 }
01777
01778
01779 void SetSelectionRed(bool b)
01780 {
01781 _thd.make_square_red = b;
01782 SetSelectionTilesDirty();
01783 }
01784
01793 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01794 {
01795 bool small = (vp->zoom >= ZOOM_LVL_OUT_4X);
01796 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01797 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01798
01799 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01800 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01801
01802 return y >= sign->top && y < sign->top + sign_height &&
01803 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01804 }
01805
01806 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01807 {
01808 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01809
01810 const Town *t;
01811 FOR_ALL_TOWNS(t) {
01812 if (CheckClickOnViewportSign(vp, x, y, &t->sign)) {
01813 ShowTownViewWindow(t->index);
01814 return true;
01815 }
01816 }
01817
01818 return false;
01819 }
01820
01821 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01822 {
01823 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01824
01825 const BaseStation *st;
01826 FOR_ALL_BASE_STATIONS(st) {
01827
01828 bool is_station = Station::IsExpected(st);
01829
01830
01831 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01832
01833 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01834 if (is_station) {
01835 ShowStationViewWindow(st->index);
01836 } else {
01837 ShowWaypointWindow(Waypoint::From(st));
01838 }
01839 return true;
01840 }
01841 }
01842
01843 return false;
01844 }
01845
01846
01847 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01848 {
01849
01850 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01851
01852 const Sign *si;
01853 FOR_ALL_SIGNS(si) {
01854 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01855 HandleClickOnSign(si);
01856 return true;
01857 }
01858 }
01859
01860 return false;
01861 }
01862
01863
01864 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01865 {
01866 Point pt = TranslateXYToTileCoord(vp, x, y);
01867
01868 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01869 return true;
01870 }
01871
01872 static void PlaceObject()
01873 {
01874 Point pt;
01875 Window *w;
01876
01877 pt = GetTileBelowCursor();
01878 if (pt.x == -1) return;
01879
01880 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01881 pt.x += 8;
01882 pt.y += 8;
01883 }
01884
01885 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01886 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01887
01888 w = _thd.GetCallbackWnd();
01889 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01890 }
01891
01892
01893 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01894 {
01895 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01896
01897 if (_thd.place_mode & HT_VEHICLE) {
01898 if (v != NULL && VehicleClicked(v)) return true;
01899 }
01900
01901
01902 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
01903 PlaceObject();
01904 return true;
01905 }
01906
01907 if (CheckClickOnTown(vp, x, y)) return true;
01908 if (CheckClickOnStation(vp, x, y)) return true;
01909 if (CheckClickOnSign(vp, x, y)) return true;
01910 bool result = CheckClickOnLandscape(vp, x, y);
01911
01912 if (v != NULL) {
01913 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01914 if (IsCompanyBuildableVehicleType(v)) {
01915 v = v->First();
01916 if (_ctrl_pressed && v->owner == _local_company) {
01917 StartStopVehicle(v, true);
01918 } else {
01919 ShowVehicleViewWindow(v);
01920 }
01921 }
01922 return true;
01923 }
01924 return result;
01925 }
01926
01927 void RebuildViewportOverlay(Window *w)
01928 {
01929 if (w->viewport->overlay != NULL &&
01930 w->viewport->overlay->GetCompanyMask() != 0 &&
01931 w->viewport->overlay->GetCargoMask() != 0) {
01932 w->viewport->overlay->RebuildCache();
01933 w->SetDirty();
01934 }
01935 }
01936
01946 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
01947 {
01948
01949 if (z == -1) z = GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
01950
01951 Point pt = MapXYZToViewport(w->viewport, x, y, z);
01952 w->viewport->follow_vehicle = INVALID_VEHICLE;
01953
01954 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
01955
01956 if (instant) {
01957 w->viewport->scrollpos_x = pt.x;
01958 w->viewport->scrollpos_y = pt.y;
01959 RebuildViewportOverlay(w);
01960 }
01961
01962 w->viewport->dest_scrollpos_x = pt.x;
01963 w->viewport->dest_scrollpos_y = pt.y;
01964 return true;
01965 }
01966
01974 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
01975 {
01976 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
01977 }
01978
01985 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
01986 {
01987 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
01988 }
01989
01994 void SetRedErrorSquare(TileIndex tile)
01995 {
01996 TileIndex old;
01997
01998 old = _thd.redsq;
01999 _thd.redsq = tile;
02000
02001 if (tile != old) {
02002 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
02003 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
02004 }
02005 }
02006
02012 void SetTileSelectSize(int w, int h)
02013 {
02014 _thd.new_size.x = w * TILE_SIZE;
02015 _thd.new_size.y = h * TILE_SIZE;
02016 _thd.new_outersize.x = 0;
02017 _thd.new_outersize.y = 0;
02018 }
02019
02020 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02021 {
02022 _thd.offs.x = ox * TILE_SIZE;
02023 _thd.offs.y = oy * TILE_SIZE;
02024 _thd.new_outersize.x = sx * TILE_SIZE;
02025 _thd.new_outersize.y = sy * TILE_SIZE;
02026 }
02027
02029 static HighLightStyle GetAutorailHT(int x, int y)
02030 {
02031 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02032 }
02033
02037 void TileHighlightData::Reset()
02038 {
02039 this->pos.x = 0;
02040 this->pos.y = 0;
02041 this->new_pos.x = 0;
02042 this->new_pos.y = 0;
02043 }
02044
02049 bool TileHighlightData::IsDraggingDiagonal()
02050 {
02051 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02052 }
02053
02058 Window *TileHighlightData::GetCallbackWnd()
02059 {
02060 return FindWindowById(this->window_class, this->window_number);
02061 }
02062
02063
02064
02072 void UpdateTileSelection()
02073 {
02074 int x1;
02075 int y1;
02076
02077 HighLightStyle new_drawstyle = HT_NONE;
02078 bool new_diagonal = false;
02079
02080 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02081 x1 = _thd.selend.x;
02082 y1 = _thd.selend.y;
02083 if (x1 != -1) {
02084 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02085 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02086 x1 &= ~TILE_UNIT_MASK;
02087 y1 &= ~TILE_UNIT_MASK;
02088
02089 if (_thd.IsDraggingDiagonal()) {
02090 new_diagonal = true;
02091 } else {
02092 if (x1 >= x2) Swap(x1, x2);
02093 if (y1 >= y2) Swap(y1, y2);
02094 }
02095 _thd.new_pos.x = x1;
02096 _thd.new_pos.y = y1;
02097 _thd.new_size.x = x2 - x1;
02098 _thd.new_size.y = y2 - y1;
02099 if (!new_diagonal) {
02100 _thd.new_size.x += TILE_SIZE;
02101 _thd.new_size.y += TILE_SIZE;
02102 }
02103 new_drawstyle = _thd.next_drawstyle;
02104 }
02105 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02106 Point pt = GetTileBelowCursor();
02107 x1 = pt.x;
02108 y1 = pt.y;
02109 if (x1 != -1) {
02110 switch (_thd.place_mode & HT_DRAG_MASK) {
02111 case HT_RECT:
02112 new_drawstyle = HT_RECT;
02113 break;
02114 case HT_POINT:
02115 new_drawstyle = HT_POINT;
02116 x1 += TILE_SIZE / 2;
02117 y1 += TILE_SIZE / 2;
02118 break;
02119 case HT_RAIL:
02120
02121 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02122 break;
02123 case HT_LINE:
02124 switch (_thd.place_mode & HT_DIR_MASK) {
02125 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02126 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02127
02128 case HT_DIR_HU:
02129 case HT_DIR_HL:
02130 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02131 break;
02132
02133 case HT_DIR_VL:
02134 case HT_DIR_VR:
02135 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02136 break;
02137
02138 default: NOT_REACHED();
02139 }
02140 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02141 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02142 break;
02143 default:
02144 NOT_REACHED();
02145 break;
02146 }
02147 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02148 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02149 }
02150 }
02151
02152
02153 if (_thd.drawstyle != new_drawstyle ||
02154 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02155 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02156 _thd.outersize.x != _thd.new_outersize.x ||
02157 _thd.outersize.y != _thd.new_outersize.y ||
02158 _thd.diagonal != new_diagonal) {
02159
02160 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02161
02162 _thd.drawstyle = new_drawstyle;
02163 _thd.pos = _thd.new_pos;
02164 _thd.size = _thd.new_size;
02165 _thd.outersize = _thd.new_outersize;
02166 _thd.diagonal = new_diagonal;
02167 _thd.dirty = 0xff;
02168
02169
02170 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02171 }
02172 }
02173
02181 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02182 {
02183 if (!_settings_client.gui.measure_tooltip) return;
02184 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02185 }
02186
02188 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02189 {
02190 _thd.select_method = method;
02191 _thd.select_proc = process;
02192 _thd.selend.x = TileX(tile) * TILE_SIZE;
02193 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02194 _thd.selend.y = TileY(tile) * TILE_SIZE;
02195 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02196
02197
02198
02199
02200 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02201 _thd.selend.x += TILE_SIZE / 2;
02202 _thd.selend.y += TILE_SIZE / 2;
02203 _thd.selstart.x += TILE_SIZE / 2;
02204 _thd.selstart.y += TILE_SIZE / 2;
02205 }
02206
02207 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02208 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02209 _thd.place_mode = HT_SPECIAL | others;
02210 _thd.next_drawstyle = HT_RECT | others;
02211 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02212 _thd.place_mode = HT_SPECIAL | others;
02213 _thd.next_drawstyle = _thd.drawstyle | others;
02214 } else {
02215 _thd.place_mode = HT_SPECIAL | others;
02216 _thd.next_drawstyle = HT_POINT | others;
02217 }
02218 _special_mouse_mode = WSM_SIZING;
02219 }
02220
02221 void VpSetPlaceSizingLimit(int limit)
02222 {
02223 _thd.sizelimit = limit;
02224 }
02225
02231 void VpSetPresizeRange(TileIndex from, TileIndex to)
02232 {
02233 uint64 distance = DistanceManhattan(from, to) + 1;
02234
02235 _thd.selend.x = TileX(to) * TILE_SIZE;
02236 _thd.selend.y = TileY(to) * TILE_SIZE;
02237 _thd.selstart.x = TileX(from) * TILE_SIZE;
02238 _thd.selstart.y = TileY(from) * TILE_SIZE;
02239 _thd.next_drawstyle = HT_RECT;
02240
02241
02242 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02243 }
02244
02245 static void VpStartPreSizing()
02246 {
02247 _thd.selend.x = -1;
02248 _special_mouse_mode = WSM_PRESIZE;
02249 }
02250
02255 static HighLightStyle Check2x1AutoRail(int mode)
02256 {
02257 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02258 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02259 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02260 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02261
02262 switch (mode) {
02263 default: NOT_REACHED();
02264 case 0:
02265 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02266 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02267 return HT_DIR_Y;
02268
02269 case 1:
02270 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02271 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02272 return HT_DIR_Y;
02273
02274 case 2:
02275 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02276 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02277 return HT_DIR_X;
02278
02279 case 3:
02280 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02281 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02282 return HT_DIR_X;
02283 }
02284 }
02285
02299 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02300 {
02301 uint start_x = TileX(start_tile);
02302 uint start_y = TileY(start_tile);
02303 uint end_x = TileX(end_tile);
02304 uint end_y = TileY(end_tile);
02305
02306 switch (style & HT_DRAG_MASK) {
02307 case HT_RAIL:
02308 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02309
02310 case HT_RECT:
02311 case HT_POINT: return (end_x != start_x && end_y < start_y);
02312 default: NOT_REACHED();
02313 }
02314
02315 return false;
02316 }
02317
02333 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02334 {
02335 bool swap = SwapDirection(style, start_tile, end_tile);
02336 uint h0, h1;
02337
02338 if (start_tile == end_tile) return 0;
02339 if (swap) Swap(start_tile, end_tile);
02340
02341 switch (style & HT_DRAG_MASK) {
02342 case HT_RECT: {
02343 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02344 {1, 0}, {0, 0},
02345 {0, 1}, {1, 1}
02346 };
02347
02348
02349
02350 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02351 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02352 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02353
02354 }
02355
02356 case HT_POINT:
02357 h0 = TileHeight(start_tile);
02358 h1 = TileHeight(end_tile);
02359 break;
02360 default: {
02361 static const HighLightStyle flip_style_direction[] = {
02362 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02363 };
02364 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02365 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02366 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02367 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02368
02369 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02370 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02371 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02372 };
02373
02374 distance %= 2;
02375 style &= HT_DIR_MASK;
02376
02377
02378
02379
02380
02381 if (swap && distance == 0) style = flip_style_direction[style];
02382
02383
02384 byte style_t = style * 2;
02385 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02386 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02387 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02388 h0 = max(h0, ht);
02389
02390
02391
02392 if (distance == 0) style_t = flip_style_direction[style] * 2;
02393 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02394 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02395 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02396 h1 = max(h1, ht);
02397 break;
02398 }
02399 }
02400
02401 if (swap) Swap(h0, h1);
02402 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02403 }
02404
02405 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02406
02413 static void CheckUnderflow(int &test, int &other, int mult)
02414 {
02415 if (test >= 0) return;
02416
02417 other += mult * test;
02418 test = 0;
02419 }
02420
02428 static void CheckOverflow(int &test, int &other, int max, int mult)
02429 {
02430 if (test <= max) return;
02431
02432 other += mult * (test - max);
02433 test = max;
02434 }
02435
02437 static void CalcRaildirsDrawstyle(int x, int y, int method)
02438 {
02439 HighLightStyle b;
02440
02441 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02442 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02443 uint w = abs(dx) + TILE_SIZE;
02444 uint h = abs(dy) + TILE_SIZE;
02445
02446 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02447
02448 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02449 int raw_dx = _thd.selstart.x - _thd.selend.x;
02450 int raw_dy = _thd.selstart.y - _thd.selend.y;
02451 switch (method) {
02452 case VPM_FIX_X:
02453 b = HT_LINE | HT_DIR_Y;
02454 x = _thd.selstart.x;
02455 break;
02456
02457 case VPM_FIX_Y:
02458 b = HT_LINE | HT_DIR_X;
02459 y = _thd.selstart.y;
02460 break;
02461
02462 case VPM_FIX_HORIZONTAL:
02463 if (dx == -dy) {
02464
02465
02466 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02467 } else {
02468
02469
02470 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02471
02472
02473
02474
02475 int offset = (raw_dx - raw_dy) / 2;
02476 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02477 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02478
02479
02480 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02481 if (dx + dy >= (int)TILE_SIZE) {
02482 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02483 } else {
02484 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02485 }
02486 }
02487
02488
02489 CheckUnderflow(x, y, 1);
02490 CheckUnderflow(y, x, 1);
02491 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02492 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02493 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02494 }
02495 break;
02496
02497 case VPM_FIX_VERTICAL:
02498 if (dx == dy) {
02499
02500
02501 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02502 } else {
02503
02504
02505 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02506
02507
02508
02509
02510 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02511 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02512 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02513
02514
02515 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02516 if (dx - dy < 0) {
02517 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02518 } else {
02519 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02520 }
02521 }
02522
02523
02524 CheckUnderflow(x, y, -1);
02525 CheckUnderflow(y, x, -1);
02526 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02527 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02528 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02529 }
02530 break;
02531
02532 default:
02533 NOT_REACHED();
02534 }
02535 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02536 if (method & VPM_RAILDIRS) {
02537 b = GetAutorailHT(x, y);
02538 } else {
02539 b = HT_RECT;
02540 }
02541 } else if (h == TILE_SIZE) {
02542 if (dx == (int)TILE_SIZE) {
02543 b = (Check2x1AutoRail(3)) | HT_LINE;
02544 } else if (dx == -(int)TILE_SIZE) {
02545 b = (Check2x1AutoRail(2)) | HT_LINE;
02546 } else {
02547 b = HT_LINE | HT_DIR_X;
02548 }
02549 y = _thd.selstart.y;
02550 } else if (w == TILE_SIZE) {
02551 if (dy == (int)TILE_SIZE) {
02552 b = (Check2x1AutoRail(1)) | HT_LINE;
02553 } else if (dy == -(int)TILE_SIZE) {
02554 b = (Check2x1AutoRail(0)) | HT_LINE;
02555 } else {
02556 b = HT_LINE | HT_DIR_Y;
02557 }
02558 x = _thd.selstart.x;
02559 } else if (w > h * 2) {
02560 b = HT_LINE | HT_DIR_X;
02561 y = _thd.selstart.y;
02562 } else if (h > w * 2) {
02563 b = HT_LINE | HT_DIR_Y;
02564 x = _thd.selstart.x;
02565 } else {
02566 int d = w - h;
02567 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
02568 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
02569
02570
02571 if (x > _thd.selstart.x) {
02572 if (y > _thd.selstart.y) {
02573
02574 if (d == 0) {
02575 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02576 } else if (d >= 0) {
02577 x = _thd.selstart.x + h;
02578 b = HT_LINE | HT_DIR_VL;
02579 } else {
02580 y = _thd.selstart.y + w;
02581 b = HT_LINE | HT_DIR_VR;
02582 }
02583 } else {
02584
02585 if (d == 0) {
02586 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02587 } else if (d >= 0) {
02588 x = _thd.selstart.x + h;
02589 b = HT_LINE | HT_DIR_HL;
02590 } else {
02591 y = _thd.selstart.y - w;
02592 b = HT_LINE | HT_DIR_HU;
02593 }
02594 }
02595 } else {
02596 if (y > _thd.selstart.y) {
02597
02598 if (d == 0) {
02599 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02600 } else if (d >= 0) {
02601 x = _thd.selstart.x - h;
02602 b = HT_LINE | HT_DIR_HU;
02603 } else {
02604 y = _thd.selstart.y + w;
02605 b = HT_LINE | HT_DIR_HL;
02606 }
02607 } else {
02608
02609 if (d == 0) {
02610 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02611 } else if (d >= 0) {
02612 x = _thd.selstart.x - h;
02613 b = HT_LINE | HT_DIR_VR;
02614 } else {
02615 y = _thd.selstart.y - w;
02616 b = HT_LINE | HT_DIR_VL;
02617 }
02618 }
02619 }
02620 }
02621
02622 if (_settings_client.gui.measure_tooltip) {
02623 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02624 TileIndex t1 = TileVirtXY(x, y);
02625 uint distance = DistanceManhattan(t0, t1) + 1;
02626 byte index = 0;
02627 uint64 params[2];
02628
02629 if (distance != 1) {
02630 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02631
02632
02633
02634 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02635 distance = CeilDiv(distance, 2);
02636 }
02637
02638 params[index++] = distance;
02639 if (heightdiff != 0) params[index++] = heightdiff;
02640 }
02641
02642 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02643 }
02644
02645 _thd.selend.x = x;
02646 _thd.selend.y = y;
02647 _thd.next_drawstyle = b;
02648 }
02649
02657 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02658 {
02659 int sx, sy;
02660 HighLightStyle style;
02661
02662 if (x == -1) {
02663 _thd.selend.x = -1;
02664 return;
02665 }
02666
02667
02668 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02669 _thd.selend.x = x;
02670 _thd.selend.y = y;
02671 CalcRaildirsDrawstyle(x, y, method);
02672 return;
02673 }
02674
02675
02676 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02677 x += TILE_SIZE / 2;
02678 y += TILE_SIZE / 2;
02679 }
02680
02681 sx = _thd.selstart.x;
02682 sy = _thd.selstart.y;
02683
02684 int limit = 0;
02685
02686 switch (method) {
02687 case VPM_X_OR_Y:
02688 if (abs(sy - y) < abs(sx - x)) {
02689 y = sy;
02690 style = HT_DIR_X;
02691 } else {
02692 x = sx;
02693 style = HT_DIR_Y;
02694 }
02695 goto calc_heightdiff_single_direction;
02696
02697 case VPM_X_LIMITED:
02698 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02699
02700
02701 case VPM_FIX_X:
02702 x = sx;
02703 style = HT_DIR_Y;
02704 goto calc_heightdiff_single_direction;
02705
02706 case VPM_Y_LIMITED:
02707 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02708
02709
02710 case VPM_FIX_Y:
02711 y = sy;
02712 style = HT_DIR_X;
02713
02714 calc_heightdiff_single_direction:;
02715 if (limit > 0) {
02716 x = sx + Clamp(x - sx, -limit, limit);
02717 y = sy + Clamp(y - sy, -limit, limit);
02718 }
02719 if (_settings_client.gui.measure_tooltip) {
02720 TileIndex t0 = TileVirtXY(sx, sy);
02721 TileIndex t1 = TileVirtXY(x, y);
02722 uint distance = DistanceManhattan(t0, t1) + 1;
02723 byte index = 0;
02724 uint64 params[2];
02725
02726 if (distance != 1) {
02727
02728
02729
02730
02731
02732 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02733
02734 params[index++] = distance;
02735 if (heightdiff != 0) params[index++] = heightdiff;
02736 }
02737
02738 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02739 }
02740 break;
02741
02742 case VPM_X_AND_Y_LIMITED:
02743 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02744 x = sx + Clamp(x - sx, -limit, limit);
02745 y = sy + Clamp(y - sy, -limit, limit);
02746
02747
02748 case VPM_X_AND_Y:
02749 if (_settings_client.gui.measure_tooltip) {
02750 static const StringID measure_strings_area[] = {
02751 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02752 };
02753
02754 TileIndex t0 = TileVirtXY(sx, sy);
02755 TileIndex t1 = TileVirtXY(x, y);
02756 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02757 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02758 byte index = 0;
02759 uint64 params[3];
02760
02761
02762
02763 style = (HighLightStyle)_thd.next_drawstyle;
02764 if (_thd.IsDraggingDiagonal()) {
02765
02766
02767
02768
02769
02770
02771
02772
02773
02774
02775 int dist_x = TileX(t0) - TileX(t1);
02776 int dist_y = TileY(t0) - TileY(t1);
02777 int a_max = dist_x + dist_y;
02778 int b_max = dist_y - dist_x;
02779
02780
02781
02782 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02783 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02784
02785
02786
02787
02788
02789 if (a_max != 1 || b_max != 1) {
02790 dx = a_max;
02791 dy = b_max;
02792 }
02793 } else if (style & HT_RECT) {
02794 if (dx == 1) {
02795 style = HT_LINE | HT_DIR_Y;
02796 } else if (dy == 1) {
02797 style = HT_LINE | HT_DIR_X;
02798 }
02799 }
02800
02801 if (t0 != 1 || t1 != 1) {
02802 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02803
02804 params[index++] = dx;
02805 params[index++] = dy;
02806 if (heightdiff != 0) params[index++] = heightdiff;
02807 }
02808
02809 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02810 }
02811 break;
02812
02813 default: NOT_REACHED();
02814 }
02815
02816 _thd.selend.x = x;
02817 _thd.selend.y = y;
02818 }
02819
02824 EventState VpHandlePlaceSizingDrag()
02825 {
02826 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02827
02828
02829 Window *w = _thd.GetCallbackWnd();
02830 if (w == NULL) {
02831 ResetObjectToPlace();
02832 return ES_HANDLED;
02833 }
02834
02835
02836 if (_left_button_down) {
02837 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02838 return ES_HANDLED;
02839 }
02840
02841
02842
02843 _special_mouse_mode = WSM_NONE;
02844 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02845 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02846 _thd.place_mode = HT_RECT | others;
02847 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02848 _thd.place_mode = HT_RECT | others;
02849 } else if (_thd.select_method & VPM_RAILDIRS) {
02850 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02851 } else {
02852 _thd.place_mode = HT_POINT | others;
02853 }
02854 SetTileSelectSize(1, 1);
02855
02856 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02857
02858 return ES_HANDLED;
02859 }
02860
02861 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02862 {
02863 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02864 }
02865
02866 #include "table/animcursors.h"
02867
02868 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02869 {
02870 if (_thd.window_class != WC_INVALID) {
02871
02872 Window *w = _thd.GetCallbackWnd();
02873
02874
02875
02876
02877
02878 _thd.window_class = WC_INVALID;
02879 if (w != NULL) w->OnPlaceObjectAbort();
02880 }
02881
02882 SetTileSelectSize(1, 1);
02883
02884 _thd.make_square_red = false;
02885
02886 if (mode == HT_DRAG) {
02887 mode = HT_NONE;
02888 _special_mouse_mode = WSM_DRAGDROP;
02889 } else {
02890 _special_mouse_mode = WSM_NONE;
02891 }
02892
02893 _thd.place_mode = mode;
02894 _thd.window_class = window_class;
02895 _thd.window_number = window_num;
02896
02897 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
02898 VpStartPreSizing();
02899 }
02900
02901 if ((icon & ANIMCURSOR_FLAG) != 0) {
02902 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02903 } else {
02904 SetMouseCursor(icon, pal);
02905 }
02906
02907 }
02908
02909 void ResetObjectToPlace()
02910 {
02911 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02912 }
02913
02914 Point GetViewportStationMiddle(const ViewPort *vp, const Station *st)
02915 {
02916 int x = TileX(st->xy) * TILE_SIZE;
02917 int y = TileY(st->xy) * TILE_SIZE;
02918 int z = GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
02919
02920 Point p = RemapCoords(x, y, z);
02921 p.x = UnScaleByZoom(p.x - vp->virtual_left, vp->zoom) + vp->left;
02922 p.y = UnScaleByZoom(p.y - vp->virtual_top, vp->zoom) + vp->top;
02923 return p;
02924 }