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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 "core/alloc_func.hpp"
00045 #include "core/alloc_type.hpp"
00046 #include "core/smallvec_type.hpp"
00047 #include "waypoint_func.h"
00048 #include "window_func.h"
00049 #include "tilehighlight_func.h"
00050 #include "window_gui.h"
00051 #include "slope_func.h"
00052 #include "copy_paste.h"
00053
00054 #include "table/strings.h"
00055
00056 #include <map>
00057
00058 Point _tile_fract_coords;
00059
00060 struct StringSpriteToDraw {
00061 StringID string;
00062 Colours colour;
00063 int32 x;
00064 int32 y;
00065 uint64 params[2];
00066 uint16 width;
00067 };
00068
00069 struct TileSpriteToDraw {
00070 SpriteID image;
00071 PaletteID pal;
00072 const SubSprite *sub;
00073 int32 x;
00074 int32 y;
00075 };
00076
00077 struct ChildScreenSpriteToDraw {
00078 SpriteID image;
00079 PaletteID pal;
00080 const SubSprite *sub;
00081 int32 x;
00082 int32 y;
00083 int next;
00084 };
00085
00087 struct ParentSpriteToDraw {
00088 SpriteID image;
00089 PaletteID pal;
00090 const SubSprite *sub;
00091
00092 int32 x;
00093 int32 y;
00094
00095 int32 left;
00096 int32 top;
00097
00098 int32 xmin;
00099 int32 xmax;
00100 int32 ymin;
00101 int32 ymax;
00102 int zmin;
00103 int zmax;
00104
00105 int first_child;
00106 bool comparison_done;
00107 };
00108
00110 enum FoundationPart {
00111 FOUNDATION_PART_NONE = 0xFF,
00112 FOUNDATION_PART_NORMAL = 0,
00113 FOUNDATION_PART_HALFTILE = 1,
00114 FOUNDATION_PART_END
00115 };
00116
00121 enum SpriteCombineMode {
00122 SPRITE_COMBINE_NONE,
00123 SPRITE_COMBINE_PENDING,
00124 SPRITE_COMBINE_ACTIVE,
00125 };
00126
00127 typedef SmallVector<TileSpriteToDraw, 64> TileSpriteToDrawVector;
00128 typedef SmallVector<StringSpriteToDraw, 4> StringSpriteToDrawVector;
00129 typedef SmallVector<ParentSpriteToDraw, 64> ParentSpriteToDrawVector;
00130 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
00131 typedef SmallVector<ChildScreenSpriteToDraw, 16> ChildScreenSpriteToDrawVector;
00132
00134 struct ViewportDrawer {
00135 DrawPixelInfo dpi;
00136
00137 StringSpriteToDrawVector string_sprites_to_draw;
00138 TileSpriteToDrawVector tile_sprites_to_draw;
00139 ParentSpriteToDrawVector parent_sprites_to_draw;
00140 ParentSpriteToSortVector parent_sprites_to_sort;
00141 ChildScreenSpriteToDrawVector child_screen_sprites_to_draw;
00142
00143 int *last_child;
00144
00145 SpriteCombineMode combine_sprites;
00146
00147 int foundation[FOUNDATION_PART_END];
00148 FoundationPart foundation_part;
00149 int *last_foundation_child[FOUNDATION_PART_END];
00150 Point foundation_offset[FOUNDATION_PART_END];
00151 };
00152
00153 static ViewportDrawer _vd;
00154
00155 TileHighlightData _thd;
00156 static TileInfo *_cur_ti;
00157 bool _draw_bounding_boxes = false;
00158
00159 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00160 {
00161 Point p = RemapCoords(x, y, z);
00162 p.x -= vp->virtual_width / 2;
00163 p.y -= vp->virtual_height / 2;
00164 return p;
00165 }
00166
00167 void DeleteWindowViewport(Window *w)
00168 {
00169 free(w->viewport);
00170 w->viewport = NULL;
00171 }
00172
00185 void InitializeWindowViewport(Window *w, int x, int y,
00186 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00187 {
00188 assert(w->viewport == NULL);
00189
00190 ViewportData *vp = CallocT<ViewportData>(1);
00191
00192 vp->left = x + w->left;
00193 vp->top = y + w->top;
00194 vp->width = width;
00195 vp->height = height;
00196
00197 vp->zoom = zoom;
00198
00199 vp->virtual_width = ScaleByZoom(width, zoom);
00200 vp->virtual_height = ScaleByZoom(height, zoom);
00201
00202 Point pt;
00203
00204 if (follow_flags & 0x80000000) {
00205 const Vehicle *veh;
00206
00207 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFFF);
00208 veh = Vehicle::Get(vp->follow_vehicle);
00209 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00210 } else {
00211 uint x = TileX(follow_flags) * TILE_SIZE;
00212 uint y = TileY(follow_flags) * TILE_SIZE;
00213
00214 vp->follow_vehicle = INVALID_VEHICLE;
00215 pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
00216 }
00217
00218 vp->scrollpos_x = pt.x;
00219 vp->scrollpos_y = pt.y;
00220 vp->dest_scrollpos_x = pt.x;
00221 vp->dest_scrollpos_y = pt.y;
00222
00223 w->viewport = vp;
00224 vp->virtual_left = 0;
00225 vp->virtual_top = 0;
00226 }
00227
00228 static Point _vp_move_offs;
00229
00230 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00231 {
00232 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00233 if (left + width > w->left &&
00234 w->left + w->width > left &&
00235 top + height > w->top &&
00236 w->top + w->height > top) {
00237
00238 if (left < w->left) {
00239 DoSetViewportPosition(w, left, top, w->left - left, height);
00240 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00241 return;
00242 }
00243
00244 if (left + width > w->left + w->width) {
00245 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00246 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00247 return;
00248 }
00249
00250 if (top < w->top) {
00251 DoSetViewportPosition(w, left, top, width, (w->top - top));
00252 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00253 return;
00254 }
00255
00256 if (top + height > w->top + w->height) {
00257 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00258 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00259 return;
00260 }
00261
00262 return;
00263 }
00264 }
00265
00266 {
00267 int xo = _vp_move_offs.x;
00268 int yo = _vp_move_offs.y;
00269
00270 if (abs(xo) >= width || abs(yo) >= height) {
00271
00272 RedrawScreenRect(left, top, left + width, top + height);
00273 return;
00274 }
00275
00276 GfxScroll(left, top, width, height, xo, yo);
00277
00278 if (xo > 0) {
00279 RedrawScreenRect(left, top, xo + left, top + height);
00280 left += xo;
00281 width -= xo;
00282 } else if (xo < 0) {
00283 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00284 width += xo;
00285 }
00286
00287 if (yo > 0) {
00288 RedrawScreenRect(left, top, width + left, top + yo);
00289 } else if (yo < 0) {
00290 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00291 }
00292 }
00293 }
00294
00295 static void SetViewportPosition(Window *w, int x, int y)
00296 {
00297 ViewPort *vp = w->viewport;
00298 int old_left = vp->virtual_left;
00299 int old_top = vp->virtual_top;
00300 int i;
00301 int left, top, width, height;
00302
00303 vp->virtual_left = x;
00304 vp->virtual_top = y;
00305
00306
00307
00308
00309 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00310 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00311 x = UnScaleByZoomLower(x, vp->zoom);
00312 y = UnScaleByZoomLower(y, vp->zoom);
00313
00314 old_left -= x;
00315 old_top -= y;
00316
00317 if (old_top == 0 && old_left == 0) return;
00318
00319 _vp_move_offs.x = old_left;
00320 _vp_move_offs.y = old_top;
00321
00322 left = vp->left;
00323 top = vp->top;
00324 width = vp->width;
00325 height = vp->height;
00326
00327 if (left < 0) {
00328 width += left;
00329 left = 0;
00330 }
00331
00332 i = left + width - _screen.width;
00333 if (i >= 0) width -= i;
00334
00335 if (width > 0) {
00336 if (top < 0) {
00337 height += top;
00338 top = 0;
00339 }
00340
00341 i = top + height - _screen.height;
00342 if (i >= 0) height -= i;
00343
00344 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00345 }
00346 }
00347
00356 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00357 {
00358 ViewPort *vp = w->viewport;
00359
00360 if (vp != NULL &&
00361 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00362 IsInsideMM(y, vp->top, vp->top + vp->height))
00363 return vp;
00364
00365 return NULL;
00366 }
00367
00375 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00376 {
00377 Point pt;
00378 int a, b;
00379 uint z;
00380
00381 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00382 (uint)(y -= vp->top) >= (uint)vp->height) {
00383 Point pt = {-1, -1};
00384 return pt;
00385 }
00386
00387 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> 2;
00388 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> 1;
00389
00390 a = y - x;
00391 b = y + x;
00392
00393
00394
00395
00396 a = Clamp(a, ((uint)GetMaxTileHeight() + 1) / 4 * -(int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00397 b = Clamp(b, ((uint)GetMaxTileHeight() + 1) / 4 * -(int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00398
00399
00400
00401
00402
00403
00404
00405
00406 z = 0;
00407
00408 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00409
00410 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;
00411 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;
00412 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;
00413
00414 pt.x = Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1);
00415 pt.y = Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1);
00416
00417 return pt;
00418 }
00419
00420
00421
00422
00423 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00424 {
00425 Window *w;
00426 ViewPort *vp;
00427 Point pt;
00428
00429 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00430 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00431 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00432
00433 pt.y = pt.x = -1;
00434 return pt;
00435 }
00436
00437 Point GetTileBelowCursor()
00438 {
00439 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00440 }
00441
00442
00443 Point GetTileZoomCenterWindow(bool in, Window * w)
00444 {
00445 int x, y;
00446 ViewPort *vp = w->viewport;
00447
00448 if (in) {
00449 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00450 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00451 } else {
00452 x = vp->width - (_cursor.pos.x - vp->left);
00453 y = vp->height - (_cursor.pos.y - vp->top);
00454 }
00455
00456 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00457 }
00458
00467 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00468 {
00469 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
00470 w->SetWidgetDirty(widget_zoom_in);
00471
00472 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
00473 w->SetWidgetDirty(widget_zoom_out);
00474 }
00475
00488 static void AddTileSpriteToDraw(SpriteID image, PaletteID pal, int32 x, int32 y, int32 z, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0)
00489 {
00490 assert((image & SPRITE_MASK) < MAX_SPRITES);
00491
00492 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00493 ts->image = image;
00494 ts->pal = pal;
00495 ts->sub = sub;
00496 Point pt = RemapCoords(x, y, z);
00497 ts->x = pt.x + extra_offs_x;
00498 ts->y = pt.y + extra_offs_y;
00499 }
00500
00513 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00514 {
00515 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00516 assert(_vd.foundation[foundation_part] != -1);
00517 Point offs = _vd.foundation_offset[foundation_part];
00518
00519
00520 int *old_child = _vd.last_child;
00521 _vd.last_child = _vd.last_foundation_child[foundation_part];
00522
00523 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
00524
00525
00526 _vd.last_child = old_child;
00527 }
00528
00542 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00543 {
00544
00545 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00546
00547 if (_vd.foundation[_vd.foundation_part] != -1) {
00548 Point pt = RemapCoords(x, y, z);
00549 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x, pt.y + extra_offs_y);
00550 } else {
00551 AddTileSpriteToDraw(image, pal, _cur_ti->x + x, _cur_ti->y + y, _cur_ti->z + z, sub, extra_offs_x, extra_offs_y);
00552 }
00553 }
00554
00565 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00566 {
00567 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00568 }
00569
00577 void OffsetGroundSprite(int x, int y)
00578 {
00579
00580 switch (_vd.foundation_part) {
00581 case FOUNDATION_PART_NONE:
00582 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00583 break;
00584 case FOUNDATION_PART_NORMAL:
00585 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00586 break;
00587 default: NOT_REACHED();
00588 }
00589
00590
00591 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00592
00593 _vd.foundation_offset[_vd.foundation_part].x = x;
00594 _vd.foundation_offset[_vd.foundation_part].y = y;
00595 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00596 }
00597
00609 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, int z, const SubSprite *sub)
00610 {
00611 Point pt = RemapCoords(x, y, z);
00612 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00613
00614 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00615 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00616 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00617 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00618 return;
00619
00620 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00621 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub);
00622 }
00623
00649 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)
00650 {
00651 int32 left, right, top, bottom;
00652
00653 assert((image & SPRITE_MASK) < MAX_SPRITES);
00654
00655
00656 if (transparent) {
00657 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00658 pal = PALETTE_TO_TRANSPARENT;
00659 }
00660
00661 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00662 AddCombinedSprite(image, pal, x, y, z, sub);
00663 return;
00664 }
00665
00666 _vd.last_child = NULL;
00667
00668 Point pt = RemapCoords(x, y, z);
00669 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00670
00671
00672 if (image == SPR_EMPTY_BOUNDING_BOX) {
00673 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00674 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00675 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00676 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00677 } else {
00678 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00679 left = tmp_left = (pt.x += spr->x_offs);
00680 right = (pt.x + spr->width );
00681 top = tmp_top = (pt.y += spr->y_offs);
00682 bottom = (pt.y + spr->height);
00683 }
00684
00685 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00686
00687 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00688 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00689 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00690 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00691 }
00692
00693
00694 if (left >= _vd.dpi.left + _vd.dpi.width ||
00695 right <= _vd.dpi.left ||
00696 top >= _vd.dpi.top + _vd.dpi.height ||
00697 bottom <= _vd.dpi.top) {
00698 return;
00699 }
00700
00701 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00702 ps->x = tmp_x;
00703 ps->y = tmp_y;
00704
00705 ps->left = tmp_left;
00706 ps->top = tmp_top;
00707
00708 ps->image = image;
00709 ps->pal = pal;
00710 ps->sub = sub;
00711 ps->xmin = x + bb_offset_x;
00712 ps->xmax = x + max(bb_offset_x, w) - 1;
00713
00714 ps->ymin = y + bb_offset_y;
00715 ps->ymax = y + max(bb_offset_y, h) - 1;
00716
00717 ps->zmin = z + bb_offset_z;
00718 ps->zmax = z + max(bb_offset_z, dz) - 1;
00719
00720 ps->comparison_done = false;
00721 ps->first_child = -1;
00722
00723 _vd.last_child = &ps->first_child;
00724
00725 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00726 }
00727
00746 void StartSpriteCombine()
00747 {
00748 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00749 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00750 }
00751
00756 void EndSpriteCombine()
00757 {
00758 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00759 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00760 }
00761
00771 static bool IsInRangeInclusive(int begin, int end, int check)
00772 {
00773 if (begin > end) Swap(begin, end);
00774 return begin <= check && check <= end;
00775 }
00776
00783 bool IsInsideRotatedRectangle(int x, int y)
00784 {
00785 int dist_a = (_thd.size.x + _thd.size.y);
00786 int dist_b = (_thd.size.x - _thd.size.y);
00787 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00788 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00789
00790
00791 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00792 }
00793
00804 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub)
00805 {
00806 assert((image & SPRITE_MASK) < MAX_SPRITES);
00807
00808
00809 if (_vd.last_child == NULL) return;
00810
00811
00812 if (transparent) {
00813 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00814 pal = PALETTE_TO_TRANSPARENT;
00815 }
00816
00817 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00818
00819 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00820 cs->image = image;
00821 cs->pal = pal;
00822 cs->sub = sub;
00823 cs->x = x;
00824 cs->y = y;
00825 cs->next = -1;
00826
00827
00828
00829
00830 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00831 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00832 _vd.last_child = &cs->next;
00833 }
00834
00835 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00836 {
00837 assert(width != 0);
00838 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00839 ss->string = string;
00840 ss->x = x;
00841 ss->y = y;
00842 ss->params[0] = params_1;
00843 ss->params[1] = params_2;
00844 ss->width = width;
00845 ss->colour = colour;
00846 }
00847
00848
00860 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00861 {
00862
00863 if (_vd.foundation[foundation_part] == -1) {
00864
00865 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00866 } else {
00867
00868 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
00869 }
00870 }
00871
00878 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00879 {
00880 if (!IsValidTile(ti->tile)) return;
00881
00882 SpriteID sel;
00883 if (IsHalftileSlope(ti->tileh)) {
00884 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00885 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00886 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00887
00888 Corner opposite_corner = OppositeCorner(halftile_corner);
00889 if (IsSteepSlope(ti->tileh)) {
00890 sel = SPR_HALFTILE_SELECTION_DOWN;
00891 } else {
00892 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00893 }
00894 sel += opposite_corner;
00895 } else {
00896 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00897 }
00898 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00899 }
00900
00901 static void DrawPreviewSprite(SpriteID image, SpriteID pal, uint x, uint y, uint z)
00902 {
00903
00904 AddSortableSpriteToDraw(image, pal, x, y, 0x10, 0x10, 1, z + 7);
00905 }
00906
00907 static bool IsPartOfAutoLine(int px, int py)
00908 {
00909 px -= _thd.selstart.x;
00910 py -= _thd.selstart.y;
00911
00912 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_LINE) return false;
00913
00914 switch (_thd.drawstyle & HT_DIR_MASK) {
00915 case HT_DIR_X: return py == 0;
00916 case HT_DIR_Y: return px == 0;
00917 case HT_DIR_HU: return px == -py || px == -py - 16;
00918 case HT_DIR_HL: return px == -py || px == -py + 16;
00919 case HT_DIR_VL: return px == py || px == py + 16;
00920 case HT_DIR_VR: return px == py || px == py - 16;
00921 default:
00922 NOT_REACHED();
00923 }
00924 }
00925
00926
00927 static const HighLightStyle _autorail_type[6][2] = {
00928 { HT_DIR_X, HT_DIR_X },
00929 { HT_DIR_Y, HT_DIR_Y },
00930 { HT_DIR_HU, HT_DIR_HL },
00931 { HT_DIR_HL, HT_DIR_HU },
00932 { HT_DIR_VL, HT_DIR_VR },
00933 { HT_DIR_VR, HT_DIR_VL }
00934 };
00935
00936 #include "table/autorail.h"
00937
00938
00939
00940
00941
00942
00943
00944
00945 static void DrawPreviewTile(const TileInfo *ti)
00946 {
00947 uint32 image;
00948
00949 uint32 tile_x = ti->x / TILE_SIZE;
00950 uint32 tile_y = ti->y / TILE_SIZE;
00951 uint32 pos_x = _thd.pos.x / TILE_SIZE;
00952 uint32 pos_y = _thd.pos.y / TILE_SIZE;
00953 uint32 bindex = (tile_x - pos_x) + ((_copy_paste.GetWidth() - 1) * (tile_y - pos_y));
00954
00955
00956
00957
00958
00959 if (((tile_x - pos_x) == 0) || ((tile_x - pos_x) == (_copy_paste.GetWidth() - 2)) || ((tile_y - pos_y) == 0) || ((tile_y - pos_y) == (_copy_paste.GetHeight() - 2))) {
00960
00961 image = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00962 DrawPreviewSprite(image, PAL_NONE, ti->x, ti->y, ti->z);
00963 }
00964
00965 image = SPR_AUTORAIL_BASE;
00966 TrackBits tracktodraw = _copy_paste.GetCPTrackBits(bindex);
00967 for (Track t = TRACK_BEGIN; t < TRACK_END; t++) {
00968 if (tracktodraw & TrackToTrackBits(t)) DrawPreviewSprite(image + _AutorailTilehSprite[SLOPE_FLAT][t], PAL_NONE, ti->x, ti->y, ti->z);
00969 }
00970
00971
00972
00973
00974
00975
00976
00977
00978
00979
00980 }
00981
00988 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00989 {
00990 SpriteID image;
00991 PaletteID pal;
00992 int offset;
00993
00994 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00995 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00996 if (IsHalftileSlope(ti->tileh)) {
00997 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00998 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00999 if (autorail_type != _lower_rail[halftile_corner]) {
01000 foundation_part = FOUNDATION_PART_HALFTILE;
01001
01002 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
01003 }
01004 }
01005
01006 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
01007 if (offset >= 0) {
01008 image = SPR_AUTORAIL_BASE + offset;
01009 pal = PAL_NONE;
01010 } else {
01011 image = SPR_AUTORAIL_BASE - offset;
01012 pal = PALETTE_SEL_TILE_RED;
01013 }
01014
01015 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
01016 }
01017
01022 static void DrawTileSelection(const TileInfo *ti)
01023 {
01024
01025 bool is_redsq = _thd.redsq == ti->tile;
01026 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
01027
01028
01029 if ((_thd.drawstyle & HT_DRAG_MASK) == HT_NONE) return;
01030
01031 if (_thd.diagonal) {
01032 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) goto draw_inner;
01033 return;
01034 }
01035
01036
01037 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
01038 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
01039 draw_inner:
01040 if (_thd.drawstyle & HT_RECT) {
01041 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
01042 } else if (_thd.drawstyle & HT_POINT) {
01043
01044 int z = 0;
01045 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
01046 if (ti->tileh & SLOPE_N) {
01047 z += TILE_HEIGHT;
01048 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
01049 }
01050 if (IsHalftileSlope(ti->tileh)) {
01051 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
01052 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
01053 if (halftile_corner != CORNER_S) {
01054 foundation_part = FOUNDATION_PART_HALFTILE;
01055 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
01056 }
01057 }
01058 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01059 } else if (_thd.drawstyle & HT_RAIL) {
01060
01061 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01062 assert(type < HT_DIR_END);
01063 DrawAutorailSelection(ti, _autorail_type[type][0]);
01064 } else if (_thd.drawstyle & HT_PREVIEW) {
01065 DrawPreviewTile(ti);
01066 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01067
01068 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01069 uint side;
01070
01071 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01072 side = 0;
01073 } else {
01074 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01075 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01076 }
01077
01078 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01079 }
01080 return;
01081 }
01082
01083
01084 if (!is_redsq && _thd.outersize.x > 0 &&
01085 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01086 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01087
01088 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01089 return;
01090 }
01091 }
01092
01101 static inline Point GetTileCoordFromScreenCoord(int x, int y)
01102 {
01103
01104
01105
01106 Point tile_coord = InverseRemapCoords(x, y);
01107
01108
01109 tile_coord.x /= (int)TILE_SIZE;
01110 tile_coord.y /= (int)TILE_SIZE;
01111
01112 return tile_coord;
01113 }
01114
01131 static Point GetMinTileCoordsIgnoringHeight(int x, int y)
01132 {
01133 Point tile_coord = GetTileCoordFromScreenCoord(x, y);
01134
01135
01136
01137
01138 tile_coord.y--;
01139
01140 return tile_coord;
01141 }
01142
01159 static Point GetMaxTileCoordsIgnoringHeight(int x, int y)
01160 {
01161 Point tile_coord = GetTileCoordFromScreenCoord(x, y);
01162
01163
01164
01165
01166 tile_coord.y++;
01167
01168 return tile_coord;
01169 }
01170
01180 static int GetTileColumnFromTileCoord(Point tile_coord)
01181 {
01182 return tile_coord.y - tile_coord.x;
01183 }
01184
01191 static int GetViewportY(Point tile)
01192 {
01193 return tile.y * TILE_SIZE + tile.x * TILE_SIZE - GetTileMaxZOutsideMap(tile.x, tile.y);
01194 }
01195
01202 static Point GetNorthernEndOfColumn(Point tile)
01203 {
01204 Point distance_to_end;
01205 distance_to_end.x = (int)MapMaxX() - tile.x;
01206 distance_to_end.y = (int)MapMaxY() - tile.y;
01207 Point northern_end;
01208
01209 if (tile.x < tile.y) {
01210 northern_end.x = 0;
01211 northern_end.y = tile.y - tile.x;
01212 } else {
01213 northern_end.x = tile.x - tile.y;
01214 northern_end.y = 0;
01215 }
01216
01217 return northern_end;
01218 }
01219
01226 static Point GetSouthernEndOfColumn(Point tile)
01227 {
01228 Point distance_to_end;
01229 distance_to_end.x = (int)MapMaxX() - tile.x;
01230 distance_to_end.y = (int)MapMaxY() - tile.y;
01231 Point southern_end;
01232
01233 if (distance_to_end.x < distance_to_end.y) {
01234 southern_end.x = tile.x + distance_to_end.x;
01235 southern_end.y = tile.y + distance_to_end.x;
01236 } else {
01237 southern_end.x = tile.x + distance_to_end.y;
01238 southern_end.y = tile.y + distance_to_end.y;
01239 }
01240
01241 return southern_end;
01242 }
01243
01251 static Point GetMiddleTile(Point upper_tile, Point lower_tile) {
01252
01253
01254 if (upper_tile.x <= lower_tile.x) Swap(upper_tile.x, lower_tile.x);
01255 if (upper_tile.y <= lower_tile.y) Swap(upper_tile.y, lower_tile.y);
01256
01257 Point middle_tile;
01258
01259 middle_tile.x = upper_tile.x + (lower_tile.x - upper_tile.x) / 2;
01260 middle_tile.y = upper_tile.y + (lower_tile.y - upper_tile.y) / 2;
01261 return middle_tile;
01262 }
01263
01291 int GetRowAtTile(int viewport_y, Point tile)
01292 {
01293 Point northern_tile = GetNorthernEndOfColumn(tile);
01294 Point southern_tile = GetSouthernEndOfColumn(tile);
01295
01296 int northern_tile_viewport_y = GetViewportY(northern_tile);
01297 int southern_tile_viewport_y = GetViewportY(southern_tile);
01298
01299 if (northern_tile_viewport_y >= viewport_y) {
01300
01301 while (northern_tile_viewport_y >= viewport_y) {
01302 northern_tile.x--;
01303 northern_tile.y--;
01304 northern_tile_viewport_y = GetViewportY(northern_tile);
01305 }
01306
01307 return northern_tile.x + northern_tile.y;
01308 } else if (southern_tile_viewport_y <= viewport_y) {
01309
01310 while (southern_tile_viewport_y <= viewport_y) {
01311 southern_tile.x++;
01312 southern_tile.y++;
01313 southern_tile_viewport_y = GetViewportY(southern_tile);
01314 }
01315
01316 DEBUG(driver, 9, "==> We are south of the map => Returning row for (%i,%i)",
01317 southern_tile.x, southern_tile.y);
01318
01319 return southern_tile.x + southern_tile.y;
01320 } else {
01321
01322
01323
01324
01325 Point upper_tile = tile;
01326 Point lower_tile = GetSouthernEndOfColumn(upper_tile);
01327 int middle_bound;
01328
01329 DEBUG(driver, 9, "==> GetRowAtTile for vp_y = %i, (upper_)tile (%i,%i), lower_tile (%i,%i)",
01330 viewport_y, upper_tile.x, upper_tile.y, lower_tile.x, lower_tile.y);
01331
01332 do {
01333 Point middle_tile = GetMiddleTile(upper_tile, lower_tile);
01334 middle_bound = GetViewportY(middle_tile);
01335
01336 DEBUG(driver, 9, "====> upper: (%i,%i), middle (%i,%i), lower (%i,%i); m_bound = %i",
01337 upper_tile.x, upper_tile.y, middle_tile.x, middle_tile.y,
01338 lower_tile.x, lower_tile.y, middle_bound);
01339
01340 if (middle_bound >= viewport_y) {
01341
01342
01343 lower_tile = middle_tile;
01344 } else {
01345
01346
01347 upper_tile = middle_tile;
01348 }
01349 }
01350 while (lower_tile.y - upper_tile.y > 1);
01351
01352
01353
01354 return upper_tile.x + upper_tile.y;
01355 }
01356 }
01357
01372 static Point GetBottomTileOfColumn(Point upper_tile, Point lower_right_tile)
01373 {
01374 int upper_row = upper_tile.x + upper_tile.y;
01375 int lower_row = lower_right_tile.x + lower_right_tile.y;
01376
01377 assert(upper_row <= lower_row);
01378
01379 int number_of_rows = lower_row - upper_row;
01380
01381 if (number_of_rows % 2 != 0) {
01382
01383
01384 number_of_rows++;
01385 }
01386
01387 Point bottom_tile;
01388 bottom_tile.x = upper_tile.x + number_of_rows / 2;
01389 bottom_tile.y = upper_tile.y + number_of_rows / 2;
01390
01391 int bottom_row = bottom_tile.x + bottom_tile.y;
01392
01393 assert(bottom_row >= lower_row);
01394
01395 return bottom_tile;
01396 }
01397
01398 static void ViewportAddLandscape()
01399 {
01400 assert(_vd.dpi.top <= _vd.dpi.top + _vd.dpi.height);
01401 assert(_vd.dpi.left <= _vd.dpi.left + _vd.dpi.width);
01402
01403
01404
01405
01406
01407
01408 int viewport_top = _vd.dpi.top - 16;
01409 int viewport_bottom = _vd.dpi.top + _vd.dpi.height + 116;
01410
01411 DEBUG(driver, 9, "viewport: x = %i, y = %i, w = %i, h = %i",
01412 _vd.dpi.left, _vd.dpi.top, _vd.dpi.width, _vd.dpi.height);
01413
01414 DEBUG(driver, 9, "viewport_top = %i, viewport_bottom = %i",
01415 viewport_top, viewport_bottom);
01416
01417
01418
01419 Point upper_left_tile = GetMinTileCoordsIgnoringHeight(_vd.dpi.left, viewport_top);
01420 Point lower_right_tile = GetMaxTileCoordsIgnoringHeight(_vd.dpi.left + _vd.dpi.width, viewport_bottom);
01421
01422 DEBUG(driver, 9, "upper_left_tile = (%i,%i); lower_right_tile = (%i,%i)",
01423 upper_left_tile.x, upper_left_tile.y, lower_right_tile.x, lower_right_tile.y);
01424
01425
01426
01427 int left_column = GetTileColumnFromTileCoord(upper_left_tile);
01428
01429 left_column--;
01430 int right_column = GetTileColumnFromTileCoord(lower_right_tile);
01431 right_column++;
01432
01433 DEBUG(driver, 9, "left_column = %i, right_column = %i",
01434 left_column, right_column);
01435
01436
01437
01438 int *top_row = AllocaM(int, right_column - left_column + 1);
01439 int *bottom_row = AllocaM(int, right_column - left_column + 1);
01440 int min_top_row = MapMaxX() + MapMaxY();
01441 int max_bottom_row = 0;
01442 Point top_tile_of_column = upper_left_tile;
01443
01444
01445 bool south_east_direction = false;
01446 for (int x = left_column; x <= right_column; x++) {
01447 Point bottom_tile_of_column = GetBottomTileOfColumn(top_tile_of_column, lower_right_tile);
01448
01449 DEBUG(driver, 9, "Inspecting column %i; top_tile=(%i,%i); bottom_tile=(%i, %i)",
01450 x, top_tile_of_column.x, top_tile_of_column.y,
01451 bottom_tile_of_column.x, bottom_tile_of_column.y);
01452
01453
01454
01455
01456
01457
01458 top_row[x - left_column] = GetRowAtTile(viewport_top, top_tile_of_column);
01459
01460 DEBUG(driver, 9, "GetRowAtTile for viewport_top = %i and top_tile_of_column = (%i,%i) is %i",
01461 viewport_top, top_tile_of_column.x, top_tile_of_column.y, top_row[x - left_column]);
01462
01463 top_row[x - left_column] -= 3;
01464 bottom_row[x - left_column] = GetRowAtTile(viewport_bottom, bottom_tile_of_column);
01465 bottom_row[x - left_column]++;
01466
01467
01468 min_top_row = min(min_top_row, top_row[x - left_column]);
01469 max_bottom_row = max(max_bottom_row, bottom_row[x - left_column]);
01470
01471
01472 if (south_east_direction) {
01473 top_tile_of_column.y++;
01474 } else {
01475 top_tile_of_column.x--;
01476 }
01477
01478
01479 south_east_direction = !south_east_direction;
01480 }
01481
01482 for (int n = 0; n < right_column - left_column + 1; n++) {
01483
01484 DEBUG(driver, 9, "==> top/bottom of column %i is %i .. %i",
01485 left_column + n, top_row[n], bottom_row[n]);
01486 }
01487
01488 for (int row = min_top_row; row <= max_bottom_row; row++) {
01489 for (int column = left_column; column <= right_column; column++) {
01490
01491
01492
01493 if (((row + column) % 2 == 0)
01494 && (top_row[column - left_column] <= row)
01495 && (row <= bottom_row[column - left_column])) {
01496
01497 TileType tile_type;
01498 TileInfo tile_info;
01499
01500
01501
01502 _cur_ti = &tile_info;
01503
01504
01505
01506 int x = (row - column) / 2;
01507 int y = (row + column) / 2;
01508 tile_info.x = x;
01509 tile_info.y = y;
01510
01511
01512
01513 if (0 < x && x < (int)MapMaxX()
01514 && 0 < y && y < (int)MapMaxY()) {
01515
01516 tile_info.tile = TileXY(tile_info.x, tile_info.y);
01517 tile_info.tileh = GetTileSlope(tile_info.tile, &tile_info.z);
01518 tile_type = GetTileType(tile_info.tile);
01519 } else {
01520
01521 tile_info.tile = 0;
01522 tile_info.tileh = GetTileSlopeOutsideMap(tile_info.x, tile_info.y, &tile_info.z);
01523 tile_type = MP_VOID;
01524 }
01525
01526
01527 tile_info.x *= TILE_SIZE;
01528 tile_info.y *= TILE_SIZE;
01529
01530 _vd.foundation_part = FOUNDATION_PART_NONE;
01531 _vd.foundation[0] = -1;
01532 _vd.foundation[1] = -1;
01533 _vd.last_foundation_child[0] = NULL;
01534 _vd.last_foundation_child[1] = NULL;
01535
01536 _tile_type_procs[tile_type]->draw_tile_proc(&tile_info);
01537 DrawTileSelection(&tile_info);
01538 }
01539 }
01540 }
01541 }
01542
01553 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)
01554 {
01555 bool small = dpi->zoom >= small_from;
01556
01557 int left = dpi->left;
01558 int top = dpi->top;
01559 int right = left + dpi->width;
01560 int bottom = top + dpi->height;
01561
01562 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01563 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01564
01565 if (bottom < sign->top ||
01566 top > sign->top + sign_height ||
01567 right < sign->center - sign_half_width ||
01568 left > sign->center + sign_half_width) {
01569 return;
01570 }
01571
01572 if (!small) {
01573 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01574 } else {
01575 int shadow_offset = 0;
01576 if (string_small_shadow != STR_NULL) {
01577 shadow_offset = 4;
01578 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01579 }
01580 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01581 colour, sign->width_small | 0x8000);
01582 }
01583 }
01584
01585 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01586 {
01587 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01588
01589 const Town *t;
01590 FOR_ALL_TOWNS(t) {
01591 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &t->sign,
01592 t->Label(), t->SmallLabel(), STR_VIEWPORT_TOWN_TINY_BLACK,
01593 t->index, t->population);
01594 }
01595 }
01596
01597
01598 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01599 {
01600 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01601
01602 const BaseStation *st;
01603 FOR_ALL_BASE_STATIONS(st) {
01604
01605 bool is_station = Station::IsExpected(st);
01606
01607
01608 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01609
01610 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &st->sign,
01611 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01612 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01613 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01614 }
01615 }
01616
01617
01618 static void ViewportAddSigns(DrawPixelInfo *dpi)
01619 {
01620
01621 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01622
01623 const Sign *si;
01624 FOR_ALL_SIGNS(si) {
01625 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &si->sign,
01626 STR_WHITE_SIGN,
01627 IsTransparencySet(TO_SIGNS) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01628 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : _company_colours[si->owner]);
01629 }
01630 }
01631
01638 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01639 {
01640 if (this->width_normal != 0) this->MarkDirty();
01641
01642 this->top = top;
01643
01644 char buffer[DRAW_STRING_BUFFER];
01645
01646 GetString(buffer, str, lastof(buffer));
01647 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01648 this->center = center;
01649
01650
01651 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01652
01653 this->MarkDirty();
01654 }
01655
01661 void ViewportSign::MarkDirty() const
01662 {
01663
01664
01665
01666
01667 MarkAllViewportsDirty(
01668 this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01669 this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
01670 this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01671 this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
01672 }
01673
01674 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01675 {
01676 const TileSpriteToDraw *tsend = tstdv->End();
01677 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01678 DrawSprite(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01679 }
01680 }
01681
01683 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01684 {
01685 ParentSpriteToDraw **psdvend = psdv->End();
01686 ParentSpriteToDraw **psd = psdv->Begin();
01687 while (psd != psdvend) {
01688 ParentSpriteToDraw *ps = *psd;
01689
01690 if (ps->comparison_done) {
01691 psd++;
01692 continue;
01693 }
01694
01695 ps->comparison_done = true;
01696
01697 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01698 ParentSpriteToDraw *ps2 = *psd2;
01699
01700 if (ps2->comparison_done) continue;
01701
01702
01703
01704
01705 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01706 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01707 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01708
01709
01710
01711
01712
01713
01714 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01715 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01716 continue;
01717 }
01718 } else {
01719
01720
01721
01722
01723 if (ps->xmax < ps2->xmin ||
01724 ps->ymax < ps2->ymin ||
01725 ps->zmax < ps2->zmin) {
01726 continue;
01727 }
01728 }
01729
01730
01731 ParentSpriteToDraw *temp = ps2;
01732 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01733 *psd3 = *(psd3 - 1);
01734 }
01735 *psd = temp;
01736 }
01737 }
01738 }
01739
01740 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01741 {
01742 const ParentSpriteToDraw * const *psd_end = psd->End();
01743 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01744 const ParentSpriteToDraw *ps = *it;
01745 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01746
01747 int child_idx = ps->first_child;
01748 while (child_idx >= 0) {
01749 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01750 child_idx = cs->next;
01751 DrawSprite(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01752 }
01753 }
01754 }
01755
01760 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01761 {
01762 const ParentSpriteToDraw * const *psd_end = psd->End();
01763 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01764 const ParentSpriteToDraw *ps = *it;
01765 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01766 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01767 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01768 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01769
01770 DrawBox( pt1.x, pt1.y,
01771 pt2.x - pt1.x, pt2.y - pt1.y,
01772 pt3.x - pt1.x, pt3.y - pt1.y,
01773 pt4.x - pt1.x, pt4.y - pt1.y);
01774 }
01775 }
01776
01777 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01778 {
01779 DrawPixelInfo dp;
01780 ZoomLevel zoom;
01781
01782 _cur_dpi = &dp;
01783 dp = *dpi;
01784
01785 zoom = dp.zoom;
01786 dp.zoom = ZOOM_LVL_NORMAL;
01787
01788 dp.left = UnScaleByZoom(dp.left, zoom);
01789 dp.top = UnScaleByZoom(dp.top, zoom);
01790 dp.width = UnScaleByZoom(dp.width, zoom);
01791 dp.height = UnScaleByZoom(dp.height, zoom);
01792
01793 const StringSpriteToDraw *ssend = sstdv->End();
01794 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01795 TextColour colour = TC_BLACK;
01796 bool small = HasBit(ss->width, 15);
01797 int w = GB(ss->width, 0, 15);
01798 int x = UnScaleByZoom(ss->x, zoom);
01799 int y = UnScaleByZoom(ss->y, zoom);
01800 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01801
01802 SetDParam(0, ss->params[0]);
01803 SetDParam(1, ss->params[1]);
01804
01805 if (ss->colour != INVALID_COLOUR) {
01806
01807 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01808
01809
01810
01811 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01812
01813
01814 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01815 }
01816
01817
01818
01819 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01820 DrawFrameRect(
01821 x, y, x + w, y + h, ss->colour,
01822 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01823 );
01824 }
01825 }
01826
01827 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01828 }
01829 }
01830
01831 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01832 {
01833 DrawPixelInfo *old_dpi = _cur_dpi;
01834 _cur_dpi = &_vd.dpi;
01835
01836 _vd.dpi.zoom = vp->zoom;
01837 int mask = ScaleByZoom(-1, vp->zoom);
01838
01839 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01840
01841 _vd.dpi.width = (right - left) & mask;
01842 _vd.dpi.height = (bottom - top) & mask;
01843 _vd.dpi.left = left & mask;
01844 _vd.dpi.top = top & mask;
01845 _vd.dpi.pitch = old_dpi->pitch;
01846 _vd.last_child = NULL;
01847
01848 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01849 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01850
01851 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01852
01853 ViewportAddLandscape();
01854 ViewportAddVehicles(&_vd.dpi);
01855
01856 ViewportAddTownNames(&_vd.dpi);
01857 ViewportAddStationNames(&_vd.dpi);
01858 ViewportAddSigns(&_vd.dpi);
01859
01860 DrawTextEffects(&_vd.dpi);
01861
01862 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01863
01864 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01865 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01866 *_vd.parent_sprites_to_sort.Append() = it;
01867 }
01868
01869 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01870 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01871
01872 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01873
01874 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01875
01876 _cur_dpi = old_dpi;
01877
01878 _vd.string_sprites_to_draw.Clear();
01879 _vd.tile_sprites_to_draw.Clear();
01880 _vd.parent_sprites_to_draw.Clear();
01881 _vd.parent_sprites_to_sort.Clear();
01882 _vd.child_screen_sprites_to_draw.Clear();
01883 }
01884
01889 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01890 {
01891 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000) {
01892 if ((bottom - top) > (right - left)) {
01893 int t = (top + bottom) >> 1;
01894 ViewportDrawChk(vp, left, top, right, t);
01895 ViewportDrawChk(vp, left, t, right, bottom);
01896 } else {
01897 int t = (left + right) >> 1;
01898 ViewportDrawChk(vp, left, top, t, bottom);
01899 ViewportDrawChk(vp, t, top, right, bottom);
01900 }
01901 } else {
01902 ViewportDoDraw(vp,
01903 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01904 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01905 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01906 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01907 );
01908 }
01909 }
01910
01911 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01912 {
01913 if (right <= vp->left || bottom <= vp->top) return;
01914
01915 if (left >= vp->left + vp->width) return;
01916
01917 if (left < vp->left) left = vp->left;
01918 if (right > vp->left + vp->width) right = vp->left + vp->width;
01919
01920 if (top >= vp->top + vp->height) return;
01921
01922 if (top < vp->top) top = vp->top;
01923 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01924
01925 ViewportDrawChk(vp, left, top, right, bottom);
01926 }
01927
01931 void Window::DrawViewport() const
01932 {
01933 DrawPixelInfo *dpi = _cur_dpi;
01934
01935 dpi->left += this->left;
01936 dpi->top += this->top;
01937
01938 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01939
01940 dpi->left -= this->left;
01941 dpi->top -= this->top;
01942 }
01943
01949 uint16 GetMaxScrollOutsideMap() {
01950
01951 if (AllowMoreHeightlevels()) {
01952 return MAXSCROLL_NEW;
01953 } else {
01954 return MAXSCROLL_OLD;
01955 }
01956 }
01957
01958 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01959 {
01960
01961 x += vp->virtual_width / 2;
01962 y += vp->virtual_height / 2;
01963
01964
01965
01966 int vx = -x + y * 2;
01967 int vy = x + y * 2;
01968
01969
01970 vx = Clamp(vx, - (uint16)GetMaxScrollOutsideMap(), MapMaxX() * TILE_SIZE * 4);
01971 vy = Clamp(vy, - (uint16)GetMaxScrollOutsideMap(), MapMaxY() * TILE_SIZE * 4);
01972
01973
01974 x = (-vx + vy) / 2;
01975 y = ( vx + vy) / 4;
01976
01977
01978 x -= vp->virtual_width / 2;
01979 y -= vp->virtual_height / 2;
01980 }
01981
01986 void UpdateViewportPosition(Window *w)
01987 {
01988 const ViewPort *vp = w->viewport;
01989
01990 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01991 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01992 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01993
01994 w->viewport->scrollpos_x = pt.x;
01995 w->viewport->scrollpos_y = pt.y;
01996 SetViewportPosition(w, pt.x, pt.y);
01997 } else {
01998
01999 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
02000
02001 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
02002 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
02003
02004 if (delta_x != 0 || delta_y != 0) {
02005 if (_settings_client.gui.smooth_scroll) {
02006 int max_scroll = ScaleByMapSize1D(512);
02007
02008 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
02009 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
02010 } else {
02011 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
02012 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
02013 }
02014 }
02015
02016 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
02017
02018 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
02019 }
02020 }
02021
02031 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
02032 {
02033 right -= vp->virtual_left;
02034 if (right <= 0) return;
02035
02036 bottom -= vp->virtual_top;
02037 if (bottom <= 0) return;
02038
02039 left = max(0, left - vp->virtual_left);
02040
02041 if (left >= vp->virtual_width) return;
02042
02043 top = max(0, top - vp->virtual_top);
02044
02045 if (top >= vp->virtual_height) return;
02046
02047 SetDirtyBlocks(
02048 UnScaleByZoomLower(left, vp->zoom) + vp->left,
02049 UnScaleByZoomLower(top, vp->zoom) + vp->top,
02050 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
02051 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
02052 );
02053 }
02054
02063 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
02064 {
02065 Window *w;
02066 FOR_ALL_WINDOWS_FROM_BACK(w) {
02067 ViewPort *vp = w->viewport;
02068 if (vp != NULL) {
02069 assert(vp->width != 0);
02070 MarkViewportDirty(vp, left, top, right, bottom);
02071 }
02072 }
02073 }
02074
02080 void MarkTileDirtyByTile(TileIndex tile)
02081 {
02082 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
02083 MarkAllViewportsDirty(
02084 pt.x - 31,
02085 pt.y - 122,
02086 pt.x - 31 + 67,
02087 pt.y - 122 + 154
02088 );
02089 }
02090
02091 void MarkTileDirtyByTileOutsideMap(int x, int y)
02092 {
02093 Point pt = RemapCoords(x * TILE_SIZE, y * TILE_SIZE, GetTileZOutsideMap(x, y));
02094
02095
02096
02097 MarkAllViewportsDirty(
02098 pt.x - TILE_SIZE + 1,
02099 pt.y,
02100 pt.x + TILE_SIZE - 1,
02101 pt.y + TILE_SIZE + TILE_HEIGHT - 1
02102 );
02103 }
02104
02112 static void SetSelectionTilesDirty()
02113 {
02114 int x_size = _thd.size.x;
02115 int y_size = _thd.size.y;
02116
02117 if (!_thd.diagonal) {
02118 int x_start = _thd.pos.x;
02119 int y_start = _thd.pos.y;
02120
02121 if (_thd.outersize.x != 0) {
02122 x_size += _thd.outersize.x;
02123 x_start += _thd.offs.x;
02124 y_size += _thd.outersize.y;
02125 y_start += _thd.offs.y;
02126 }
02127
02128 x_size -= TILE_SIZE;
02129 y_size -= TILE_SIZE;
02130
02131 assert(x_size >= 0);
02132 assert(y_size >= 0);
02133
02134 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
02135 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
02136
02137 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
02138 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
02139
02140
02141 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
02142
02143
02144
02145
02146
02147
02148
02149
02150
02151
02152
02153
02154
02155
02156
02157
02158
02159
02160
02161 int top_x = x_end;
02162 int top_y = y_start;
02163 int bot_x = top_x;
02164 int bot_y = top_y;
02165
02166 do {
02167 Point top = RemapCoords2(top_x, top_y);
02168 Point bot = RemapCoords2(bot_x + TILE_SIZE - 1, bot_y + TILE_SIZE - 1);
02169
02170
02171
02172
02173 int l = top.x - (TILE_PIXELS - 2);
02174 int t = top.y;
02175 int r = top.x + (TILE_PIXELS - 2);
02176 int b = bot.y;
02177
02178 static const int OVERLAY_WIDTH = 4;
02179
02180
02181 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH);
02182
02183
02184 if (top_x != x_start) {
02185 top_x -= TILE_SIZE;
02186 } else {
02187 top_y += TILE_SIZE;
02188 }
02189
02190
02191 if (bot_y != y_end) {
02192 bot_y += TILE_SIZE;
02193 } else {
02194 bot_x -= TILE_SIZE;
02195 }
02196 } while (bot_x >= top_x);
02197 } else {
02198
02199 int a_size = x_size + y_size, b_size = x_size - y_size;
02200
02201 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
02202 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
02203
02204 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
02205 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
02206 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
02207 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
02208
02209 if (x < MapMaxX() && y < MapMaxY()) {
02210 MarkTileDirtyByTile(TileXY(x, y));
02211 }
02212 }
02213 }
02214 }
02215 }
02216
02217
02218 void SetSelectionRed(bool b)
02219 {
02220 _thd.make_square_red = b;
02221 SetSelectionTilesDirty();
02222 }
02223
02232 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
02233 {
02234 bool small = (vp->zoom >= ZOOM_LVL_OUT_4X);
02235 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
02236 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
02237
02238 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
02239 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
02240
02241 return y >= sign->top && y < sign->top + sign_height &&
02242 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
02243 }
02244
02245 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
02246 {
02247 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
02248
02249 const Town *t;
02250 FOR_ALL_TOWNS(t) {
02251 if (CheckClickOnViewportSign(vp, x, y, &t->sign)) {
02252 ShowTownViewWindow(t->index);
02253 return true;
02254 }
02255 }
02256
02257 return false;
02258 }
02259
02260 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
02261 {
02262 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
02263
02264 const BaseStation *st;
02265 FOR_ALL_BASE_STATIONS(st) {
02266
02267 bool is_station = Station::IsExpected(st);
02268
02269
02270 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
02271
02272 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
02273 if (is_station) {
02274 ShowStationViewWindow(st->index);
02275 } else {
02276 ShowWaypointWindow(Waypoint::From(st));
02277 }
02278 return true;
02279 }
02280 }
02281
02282 return false;
02283 }
02284
02285
02286 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
02287 {
02288
02289 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
02290
02291 const Sign *si;
02292 FOR_ALL_SIGNS(si) {
02293 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
02294 HandleClickOnSign(si);
02295 return true;
02296 }
02297 }
02298
02299 return false;
02300 }
02301
02302
02303 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
02304 {
02305 Point pt = TranslateXYToTileCoord(vp, x, y);
02306
02307 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
02308 return true;
02309 }
02310
02311 static void PlaceObject()
02312 {
02313 Point pt;
02314 Window *w;
02315
02316 pt = GetTileBelowCursor();
02317 if (pt.x == -1) return;
02318
02319 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
02320 pt.x += 8;
02321 pt.y += 8;
02322 }
02323
02324 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
02325 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
02326
02327 w = _thd.GetCallbackWnd();
02328 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
02329 }
02330
02331
02332 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
02333 {
02334 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
02335
02336 if (_thd.place_mode & HT_VEHICLE) {
02337 if (v != NULL && VehicleClicked(v)) return true;
02338 }
02339
02340
02341 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02342 PlaceObject();
02343 return true;
02344 }
02345
02346 if (CheckClickOnTown(vp, x, y)) return true;
02347 if (CheckClickOnStation(vp, x, y)) return true;
02348 if (CheckClickOnSign(vp, x, y)) return true;
02349 bool result = CheckClickOnLandscape(vp, x, y);
02350
02351 if (v != NULL) {
02352 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
02353 if (IsCompanyBuildableVehicleType(v)) {
02354 v = v->First();
02355 if (_ctrl_pressed && v->owner == _local_company) {
02356 StartStopVehicle(v, true);
02357 } else {
02358 ShowVehicleViewWindow(v);
02359 }
02360 }
02361 return true;
02362 }
02363 return result;
02364 }
02365
02366
02376 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
02377 {
02378
02379 if (z == -1) {
02380 if ( x >= 0 && x <= (int)MapSizeX() * (int)TILE_SIZE - 1
02381 && y >= 0 && y <= (int)MapSizeY() * (int)TILE_SIZE - 1) {
02382 z = GetSlopeZ(x, y);
02383 } else {
02384 z = TileHeightOutsideMap(x / TILE_SIZE, y / TILE_SIZE);
02385 }
02386 }
02387
02388 Point pt = MapXYZToViewport(w->viewport, x, y, z);
02389 w->viewport->follow_vehicle = INVALID_VEHICLE;
02390
02391 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
02392
02393 if (instant) {
02394 w->viewport->scrollpos_x = pt.x;
02395 w->viewport->scrollpos_y = pt.y;
02396 }
02397
02398 w->viewport->dest_scrollpos_x = pt.x;
02399 w->viewport->dest_scrollpos_y = pt.y;
02400 return true;
02401 }
02402
02410 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
02411 {
02412 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
02413 }
02414
02421 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
02422 {
02423 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
02424 }
02425
02430 void SetRedErrorSquare(TileIndex tile)
02431 {
02432 TileIndex old;
02433
02434 old = _thd.redsq;
02435 _thd.redsq = tile;
02436
02437 if (tile != old) {
02438 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
02439 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
02440 }
02441 }
02442
02448 void SetTileSelectSize(int w, int h)
02449 {
02450 _thd.new_size.x = w * TILE_SIZE;
02451 _thd.new_size.y = h * TILE_SIZE;
02452 _thd.new_outersize.x = 0;
02453 _thd.new_outersize.y = 0;
02454 }
02455
02456 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02457 {
02458 _thd.offs.x = ox * TILE_SIZE;
02459 _thd.offs.y = oy * TILE_SIZE;
02460 _thd.new_outersize.x = sx * TILE_SIZE;
02461 _thd.new_outersize.y = sy * TILE_SIZE;
02462 }
02463
02465 static HighLightStyle GetAutorailHT(int x, int y)
02466 {
02467 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02468 }
02469
02473 void TileHighlightData::Reset()
02474 {
02475 this->pos.x = 0;
02476 this->pos.y = 0;
02477 this->new_pos.x = 0;
02478 this->new_pos.y = 0;
02479 }
02480
02485 bool TileHighlightData::IsDraggingDiagonal()
02486 {
02487 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02488 }
02489
02494 Window *TileHighlightData::GetCallbackWnd()
02495 {
02496 return FindWindowById(this->window_class, this->window_number);
02497 }
02498
02499
02500
02508 void UpdateTileSelection()
02509 {
02510 int x1;
02511 int y1;
02512
02513 HighLightStyle new_drawstyle = HT_NONE;
02514 bool new_diagonal = false;
02515
02516 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02517 x1 = _thd.selend.x;
02518 y1 = _thd.selend.y;
02519 if (x1 != -1) {
02520 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02521 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02522 x1 &= ~TILE_UNIT_MASK;
02523 y1 &= ~TILE_UNIT_MASK;
02524
02525 if (_thd.IsDraggingDiagonal()) {
02526 new_diagonal = true;
02527 } else {
02528 if (x1 >= x2) Swap(x1, x2);
02529 if (y1 >= y2) Swap(y1, y2);
02530 }
02531 _thd.new_pos.x = x1;
02532 _thd.new_pos.y = y1;
02533 _thd.new_size.x = x2 - x1;
02534 _thd.new_size.y = y2 - y1;
02535 if (!new_diagonal) {
02536 _thd.new_size.x += TILE_SIZE;
02537 _thd.new_size.y += TILE_SIZE;
02538 }
02539 new_drawstyle = _thd.next_drawstyle;
02540 }
02541 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02542 Point pt = GetTileBelowCursor();
02543 x1 = pt.x;
02544 y1 = pt.y;
02545 if (x1 != -1) {
02546 switch (_thd.place_mode & HT_DRAG_MASK) {
02547 case HT_RECT:
02548 new_drawstyle = HT_RECT;
02549 break;
02550 case HT_POINT:
02551 new_drawstyle = HT_POINT;
02552 x1 += TILE_SIZE / 2;
02553 y1 += TILE_SIZE / 2;
02554 break;
02555 case HT_RAIL:
02556
02557 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02558 break;
02559 case HT_LINE:
02560 switch (_thd.place_mode & HT_DIR_MASK) {
02561 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02562 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02563
02564 case HT_DIR_HU:
02565 case HT_DIR_HL:
02566 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02567 break;
02568
02569 case HT_DIR_VL:
02570 case HT_DIR_VR:
02571 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02572 break;
02573
02574 default: NOT_REACHED();
02575 }
02576 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02577 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02578 break;
02579 case HT_PREVIEW:
02580 new_drawstyle = HT_PREVIEW & HT_DRAG_MASK;
02581 break;
02582 default:
02583 NOT_REACHED();
02584 break;
02585 }
02586 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02587 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02588 }
02589 }
02590
02591
02592 if (_thd.drawstyle != new_drawstyle ||
02593 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02594 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02595 _thd.outersize.x != _thd.new_outersize.x ||
02596 _thd.outersize.y != _thd.new_outersize.y ||
02597 _thd.diagonal != new_diagonal) {
02598
02599 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02600
02601 _thd.drawstyle = new_drawstyle;
02602 _thd.pos = _thd.new_pos;
02603 _thd.size = _thd.new_size;
02604 _thd.outersize = _thd.new_outersize;
02605 _thd.diagonal = new_diagonal;
02606 _thd.dirty = 0xff;
02607
02608
02609 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02610 }
02611 }
02612
02620 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02621 {
02622 if (!_settings_client.gui.measure_tooltip) return;
02623 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02624 }
02625
02627 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02628 {
02629 _thd.select_method = method;
02630 _thd.select_proc = process;
02631 _thd.selend.x = TileX(tile) * TILE_SIZE;
02632 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02633 _thd.selend.y = TileY(tile) * TILE_SIZE;
02634 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02635
02636
02637
02638
02639 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02640 _thd.selend.x += TILE_SIZE / 2;
02641 _thd.selend.y += TILE_SIZE / 2;
02642 _thd.selstart.x += TILE_SIZE / 2;
02643 _thd.selstart.y += TILE_SIZE / 2;
02644 }
02645
02646 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02647 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02648 _thd.place_mode = HT_SPECIAL | others;
02649 _thd.next_drawstyle = HT_RECT | others;
02650 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02651 _thd.place_mode = HT_SPECIAL | others;
02652 _thd.next_drawstyle = _thd.drawstyle | others;
02653 } else {
02654 _thd.place_mode = HT_SPECIAL | others;
02655 _thd.next_drawstyle = HT_POINT | others;
02656 }
02657 _special_mouse_mode = WSM_SIZING;
02658 }
02659
02660 void VpSetPlaceSizingLimit(int limit)
02661 {
02662 _thd.sizelimit = limit;
02663 }
02664
02670 void VpSetPresizeRange(TileIndex from, TileIndex to)
02671 {
02672 uint64 distance = DistanceManhattan(from, to) + 1;
02673
02674 _thd.selend.x = TileX(to) * TILE_SIZE;
02675 _thd.selend.y = TileY(to) * TILE_SIZE;
02676 _thd.selstart.x = TileX(from) * TILE_SIZE;
02677 _thd.selstart.y = TileY(from) * TILE_SIZE;
02678 _thd.next_drawstyle = HT_RECT;
02679
02680
02681 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02682 }
02683
02684 static void VpStartPreSizing()
02685 {
02686 _thd.selend.x = -1;
02687 _special_mouse_mode = WSM_PRESIZE;
02688 }
02689
02694 static HighLightStyle Check2x1AutoRail(int mode)
02695 {
02696 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02697 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02698 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02699 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02700
02701 switch (mode) {
02702 default: NOT_REACHED();
02703 case 0:
02704 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02705 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02706 return HT_DIR_Y;
02707
02708 case 1:
02709 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02710 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02711 return HT_DIR_Y;
02712
02713 case 2:
02714 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02715 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02716 return HT_DIR_X;
02717
02718 case 3:
02719 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02720 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02721 return HT_DIR_X;
02722 }
02723 }
02724
02738 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02739 {
02740 uint start_x = TileX(start_tile);
02741 uint start_y = TileY(start_tile);
02742 uint end_x = TileX(end_tile);
02743 uint end_y = TileY(end_tile);
02744
02745 switch (style & HT_DRAG_MASK) {
02746 case HT_RAIL:
02747 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02748
02749 case HT_RECT:
02750 case HT_POINT: return (end_x != start_x && end_y < start_y);
02751 default: NOT_REACHED();
02752 }
02753
02754 return false;
02755 }
02756
02772 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02773 {
02774 bool swap = SwapDirection(style, start_tile, end_tile);
02775 uint h0, h1;
02776
02777 if (start_tile == end_tile) return 0;
02778 if (swap) Swap(start_tile, end_tile);
02779
02780 switch (style & HT_DRAG_MASK) {
02781 case HT_RECT: {
02782 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02783 {1, 0}, {0, 0},
02784 {0, 1}, {1, 1}
02785 };
02786
02787
02788
02789 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02790 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02791 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02792
02793 }
02794
02795 case HT_POINT:
02796 h0 = TileHeight(start_tile);
02797 h1 = TileHeight(end_tile);
02798 break;
02799 default: {
02800 static const HighLightStyle flip_style_direction[] = {
02801 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02802 };
02803 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02804 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02805 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02806 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02807
02808 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02809 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02810 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02811 };
02812
02813 distance %= 2;
02814 style &= HT_DIR_MASK;
02815
02816
02817
02818
02819
02820 if (swap && distance == 0) style = flip_style_direction[style];
02821
02822
02823 byte style_t = style * 2;
02824 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02825 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02826 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02827 h0 = max(h0, ht);
02828
02829
02830
02831 if (distance == 0) style_t = flip_style_direction[style] * 2;
02832 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02833 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02834 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02835 h1 = max(h1, ht);
02836 break;
02837 }
02838 }
02839
02840 if (swap) Swap(h0, h1);
02841 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02842 }
02843
02844 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02845
02852 static void CheckUnderflow(int &test, int &other, int mult)
02853 {
02854 if (test >= 0) return;
02855
02856 other += mult * test;
02857 test = 0;
02858 }
02859
02867 static void CheckOverflow(int &test, int &other, int max, int mult)
02868 {
02869 if (test <= max) return;
02870
02871 other += mult * (test - max);
02872 test = max;
02873 }
02874
02876 static void CalcRaildirsDrawstyle(int x, int y, int method)
02877 {
02878 HighLightStyle b;
02879
02880 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02881 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02882 uint w = abs(dx) + TILE_SIZE;
02883 uint h = abs(dy) + TILE_SIZE;
02884
02885 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02886
02887 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02888 int raw_dx = _thd.selstart.x - _thd.selend.x;
02889 int raw_dy = _thd.selstart.y - _thd.selend.y;
02890 switch (method) {
02891 case VPM_FIX_X:
02892 b = HT_LINE | HT_DIR_Y;
02893 x = _thd.selstart.x;
02894 break;
02895
02896 case VPM_FIX_Y:
02897 b = HT_LINE | HT_DIR_X;
02898 y = _thd.selstart.y;
02899 break;
02900
02901 case VPM_FIX_HORIZONTAL:
02902 if (dx == -dy) {
02903
02904
02905 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02906 } else {
02907
02908
02909 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02910
02911
02912
02913
02914 int offset = (raw_dx - raw_dy) / 2;
02915 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02916 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02917
02918
02919 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02920 if (dx + dy >= (int)TILE_SIZE) {
02921 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02922 } else {
02923 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02924 }
02925 }
02926
02927
02928 CheckUnderflow(x, y, 1);
02929 CheckUnderflow(y, x, 1);
02930 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02931 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02932 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02933 }
02934 break;
02935
02936 case VPM_FIX_VERTICAL:
02937 if (dx == dy) {
02938
02939
02940 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02941 } else {
02942
02943
02944 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02945
02946
02947
02948
02949 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02950 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02951 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02952
02953
02954 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02955 if (dx - dy < 0) {
02956 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02957 } else {
02958 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02959 }
02960 }
02961
02962
02963 CheckUnderflow(x, y, -1);
02964 CheckUnderflow(y, x, -1);
02965 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02966 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02967 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02968 }
02969 break;
02970
02971 default:
02972 NOT_REACHED();
02973 }
02974 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02975 if (method & VPM_RAILDIRS) {
02976 b = GetAutorailHT(x, y);
02977 } else {
02978 b = HT_RECT;
02979 }
02980 } else if (h == TILE_SIZE) {
02981 if (dx == (int)TILE_SIZE) {
02982 b = (Check2x1AutoRail(3)) | HT_LINE;
02983 } else if (dx == -(int)TILE_SIZE) {
02984 b = (Check2x1AutoRail(2)) | HT_LINE;
02985 } else {
02986 b = HT_LINE | HT_DIR_X;
02987 }
02988 y = _thd.selstart.y;
02989 } else if (w == TILE_SIZE) {
02990 if (dy == (int)TILE_SIZE) {
02991 b = (Check2x1AutoRail(1)) | HT_LINE;
02992 } else if (dy == -(int)TILE_SIZE) {
02993 b = (Check2x1AutoRail(0)) | HT_LINE;
02994 } else {
02995 b = HT_LINE | HT_DIR_Y;
02996 }
02997 x = _thd.selstart.x;
02998 } else if (w > h * 2) {
02999 b = HT_LINE | HT_DIR_X;
03000 y = _thd.selstart.y;
03001 } else if (h > w * 2) {
03002 b = HT_LINE | HT_DIR_Y;
03003 x = _thd.selstart.x;
03004 } else {
03005 int d = w - h;
03006 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
03007 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
03008
03009
03010 if (x > _thd.selstart.x) {
03011 if (y > _thd.selstart.y) {
03012
03013 if (d == 0) {
03014 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
03015 } else if (d >= 0) {
03016 x = _thd.selstart.x + h;
03017 b = HT_LINE | HT_DIR_VL;
03018 } else {
03019 y = _thd.selstart.y + w;
03020 b = HT_LINE | HT_DIR_VR;
03021 }
03022 } else {
03023
03024 if (d == 0) {
03025 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
03026 } else if (d >= 0) {
03027 x = _thd.selstart.x + h;
03028 b = HT_LINE | HT_DIR_HL;
03029 } else {
03030 y = _thd.selstart.y - w;
03031 b = HT_LINE | HT_DIR_HU;
03032 }
03033 }
03034 } else {
03035 if (y > _thd.selstart.y) {
03036
03037 if (d == 0) {
03038 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
03039 } else if (d >= 0) {
03040 x = _thd.selstart.x - h;
03041 b = HT_LINE | HT_DIR_HU;
03042 } else {
03043 y = _thd.selstart.y + w;
03044 b = HT_LINE | HT_DIR_HL;
03045 }
03046 } else {
03047
03048 if (d == 0) {
03049 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
03050 } else if (d >= 0) {
03051 x = _thd.selstart.x - h;
03052 b = HT_LINE | HT_DIR_VR;
03053 } else {
03054 y = _thd.selstart.y - w;
03055 b = HT_LINE | HT_DIR_VL;
03056 }
03057 }
03058 }
03059 }
03060
03061 if (_settings_client.gui.measure_tooltip) {
03062 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
03063 TileIndex t1 = TileVirtXY(x, y);
03064 uint distance = DistanceManhattan(t0, t1) + 1;
03065 byte index = 0;
03066 uint64 params[2];
03067
03068 if (distance != 1) {
03069 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
03070
03071
03072
03073 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
03074 distance = CeilDiv(distance, 2);
03075 }
03076
03077 params[index++] = distance;
03078 if (heightdiff != 0) params[index++] = heightdiff;
03079 }
03080
03081 ShowMeasurementTooltips(measure_strings_length[index], index, params);
03082 }
03083
03084 _thd.selend.x = x;
03085 _thd.selend.y = y;
03086 _thd.next_drawstyle = b;
03087 }
03088
03096 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
03097 {
03098 int sx, sy;
03099 HighLightStyle style;
03100
03101 if (x == -1) {
03102 _thd.selend.x = -1;
03103 return;
03104 }
03105
03106
03107 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
03108 _thd.selend.x = x;
03109 _thd.selend.y = y;
03110 CalcRaildirsDrawstyle(x, y, method);
03111 return;
03112 }
03113
03114
03115 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
03116 x += TILE_SIZE / 2;
03117 y += TILE_SIZE / 2;
03118 }
03119
03120 sx = _thd.selstart.x;
03121 sy = _thd.selstart.y;
03122
03123 int limit = 0;
03124
03125 switch (method) {
03126 case VPM_X_OR_Y:
03127 if (abs(sy - y) < abs(sx - x)) {
03128 y = sy;
03129 style = HT_DIR_X;
03130 } else {
03131 x = sx;
03132 style = HT_DIR_Y;
03133 }
03134 goto calc_heightdiff_single_direction;
03135
03136 case VPM_X_LIMITED:
03137 limit = (_thd.sizelimit - 1) * TILE_SIZE;
03138
03139
03140 case VPM_FIX_X:
03141 x = sx;
03142 style = HT_DIR_Y;
03143 goto calc_heightdiff_single_direction;
03144
03145 case VPM_Y_LIMITED:
03146 limit = (_thd.sizelimit - 1) * TILE_SIZE;
03147
03148
03149 case VPM_FIX_Y:
03150 y = sy;
03151 style = HT_DIR_X;
03152
03153 calc_heightdiff_single_direction:;
03154 if (limit > 0) {
03155 x = sx + Clamp(x - sx, -limit, limit);
03156 y = sy + Clamp(y - sy, -limit, limit);
03157 }
03158 if (_settings_client.gui.measure_tooltip) {
03159 TileIndex t0 = TileVirtXY(sx, sy);
03160 TileIndex t1 = TileVirtXY(x, y);
03161 uint distance = DistanceManhattan(t0, t1) + 1;
03162 byte index = 0;
03163 uint64 params[2];
03164
03165 if (distance != 1) {
03166
03167
03168
03169
03170
03171 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
03172
03173 params[index++] = distance;
03174 if (heightdiff != 0) params[index++] = heightdiff;
03175 }
03176
03177 ShowMeasurementTooltips(measure_strings_length[index], index, params);
03178 }
03179 break;
03180
03181 case VPM_X_AND_Y_LIMITED:
03182 limit = (_thd.sizelimit - 1) * TILE_SIZE;
03183 x = sx + Clamp(x - sx, -limit, limit);
03184 y = sy + Clamp(y - sy, -limit, limit);
03185
03186
03187 case VPM_X_AND_Y:
03188 if (_settings_client.gui.measure_tooltip) {
03189 static const StringID measure_strings_area[] = {
03190 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
03191 };
03192
03193 TileIndex t0 = TileVirtXY(sx, sy);
03194 TileIndex t1 = TileVirtXY(x, y);
03195 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
03196 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
03197 byte index = 0;
03198 uint64 params[3];
03199
03200
03201
03202 style = (HighLightStyle)_thd.next_drawstyle;
03203 if (_thd.IsDraggingDiagonal()) {
03204
03205
03206
03207
03208
03209
03210
03211
03212
03213
03214 int dist_x = TileX(t0) - TileX(t1);
03215 int dist_y = TileY(t0) - TileY(t1);
03216 int a_max = dist_x + dist_y;
03217 int b_max = dist_y - dist_x;
03218
03219
03220
03221 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
03222 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
03223
03224
03225
03226
03227
03228 if (a_max != 1 || b_max != 1) {
03229 dx = a_max;
03230 dy = b_max;
03231 }
03232 } else if (style & HT_RECT) {
03233 if (dx == 1) {
03234 style = HT_LINE | HT_DIR_Y;
03235 } else if (dy == 1) {
03236 style = HT_LINE | HT_DIR_X;
03237 }
03238 }
03239
03240 if (t0 != 1 || t1 != 1) {
03241 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
03242
03243 params[index++] = dx;
03244 params[index++] = dy;
03245 if (heightdiff != 0) params[index++] = heightdiff;
03246 }
03247
03248 ShowMeasurementTooltips(measure_strings_area[index], index, params);
03249 }
03250 break;
03251
03252 case VPM_A_B_LINE: {
03253 TileIndex t0 = TileVirtXY(sx, sy);
03254 TileIndex t1 = TileVirtXY(x, y);
03255 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
03256 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
03257 byte index = 0;
03258 uint64 params[5];
03259
03260
03261
03262 style = (HighLightStyle)_thd.next_drawstyle;
03263 if (style & HT_RECT) {
03264 if (dx == 1) {
03265 style = HT_LINE | HT_DIR_Y;
03266 } else if (dy == 1) {
03267 style = HT_LINE | HT_DIR_X;
03268 }
03269 }
03270
03271 if (dx != 1 || dy != 1) {
03272 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
03273
03274 params[index++] = DistanceManhattan(t0, t1);
03275 params[index++] = sqrtl(dx * dx + dy * dy);
03276 params[index++] = DistanceFromEdge(t1);
03277 params[index++] = GetTileMaxZ(t1) / TILE_HEIGHT * TILE_HEIGHT_STEP;
03278 if (heightdiff != 0) params[index++] = heightdiff;
03279 }
03280
03281 GuiShowTooltips(_thd.GetCallbackWnd(), STR_MEASURE_DIST_HEIGHTDIFF, index, params);
03282 break;
03283 }
03284
03285 default: NOT_REACHED();
03286 }
03287
03288 _thd.selend.x = x;
03289 _thd.selend.y = y;
03290 }
03291
03296 EventState VpHandlePlaceSizingDrag()
03297 {
03298 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
03299
03300
03301 Window *w = _thd.GetCallbackWnd();
03302 if (w == NULL) {
03303 ResetObjectToPlace();
03304 return ES_HANDLED;
03305 }
03306
03307
03308 if (_left_button_down) {
03309 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
03310 return ES_HANDLED;
03311 }
03312
03313
03314
03315 _special_mouse_mode = WSM_NONE;
03316 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
03317 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
03318 _thd.place_mode = HT_RECT | others;
03319 } else if (_thd.select_method & VPM_SIGNALDIRS) {
03320 _thd.place_mode = HT_RECT | others;
03321 } else if (_thd.select_method & VPM_RAILDIRS) {
03322 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
03323 } else {
03324 _thd.place_mode = HT_POINT | others;
03325 }
03326 SetTileSelectSize(1, 1);
03327
03328 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
03329
03330 return ES_HANDLED;
03331 }
03332
03333 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
03334 {
03335 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
03336 }
03337
03338 #include "table/animcursors.h"
03339
03340 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
03341 {
03342 if (_thd.window_class != WC_INVALID) {
03343
03344 Window *w = _thd.GetCallbackWnd();
03345
03346
03347
03348
03349
03350 _thd.window_class = WC_INVALID;
03351 if (w != NULL) w->OnPlaceObjectAbort();
03352 }
03353
03354 SetTileSelectSize(1, 1);
03355
03356 _thd.make_square_red = false;
03357
03358 if (mode == HT_DRAG) {
03359 mode = HT_NONE;
03360 _special_mouse_mode = WSM_DRAGDROP;
03361 } else {
03362 _special_mouse_mode = WSM_NONE;
03363 }
03364
03365 _thd.place_mode = mode;
03366 _thd.window_class = window_class;
03367 _thd.window_number = window_num;
03368
03369 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
03370 VpStartPreSizing();
03371 }
03372
03373 if ((icon & ANIMCURSOR_FLAG) != 0) {
03374 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
03375 } else {
03376 SetMouseCursor(icon, pal);
03377 }
03378
03379 }
03380
03381 void ResetObjectToPlace()
03382 {
03383 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
03384 }