00001
00002
00021 #include "stdafx.h"
00022 #include "openttd.h"
00023 #include "landscape.h"
00024 #include "viewport_func.h"
00025 #include "station_base.h"
00026 #include "town.h"
00027 #include "signs_base.h"
00028 #include "signs_func.h"
00029 #include "variables.h"
00030 #include "vehicle_base.h"
00031 #include "vehicle_gui.h"
00032 #include "blitter/factory.hpp"
00033 #include "transparency.h"
00034 #include "strings_func.h"
00035 #include "zoom_func.h"
00036 #include "vehicle_func.h"
00037 #include "company_func.h"
00038 #include "station_func.h"
00039 #include "window_func.h"
00040 #include "tilehighlight_func.h"
00041 #include "window_gui.h"
00042
00043 #include "table/sprites.h"
00044 #include "table/strings.h"
00045
00046 PlaceProc *_place_proc;
00047 Point _tile_fract_coords;
00048 ZoomLevel _saved_scrollpos_zoom;
00049
00050 struct StringSpriteToDraw {
00051 StringID string;
00052 uint16 colour;
00053 int32 x;
00054 int32 y;
00055 uint64 params[2];
00056 uint16 width;
00057 };
00058
00059 struct TileSpriteToDraw {
00060 SpriteID image;
00061 SpriteID pal;
00062 const SubSprite *sub;
00063 int32 x;
00064 int32 y;
00065 byte z;
00066 };
00067
00068 struct ChildScreenSpriteToDraw {
00069 SpriteID image;
00070 SpriteID pal;
00071 const SubSprite *sub;
00072 int32 x;
00073 int32 y;
00074 int next;
00075 };
00076
00078 struct ParentSpriteToDraw {
00079 SpriteID image;
00080 SpriteID pal;
00081 const SubSprite *sub;
00082
00083 int32 x;
00084 int32 y;
00085
00086 int32 left;
00087 int32 top;
00088
00089 int32 xmin;
00090 int32 xmax;
00091 int32 ymin;
00092 int32 ymax;
00093 int zmin;
00094 int zmax;
00095
00096 int first_child;
00097 bool comparison_done;
00098 };
00099
00101 enum FoundationPart {
00102 FOUNDATION_PART_NONE = 0xFF,
00103 FOUNDATION_PART_NORMAL = 0,
00104 FOUNDATION_PART_HALFTILE = 1,
00105 FOUNDATION_PART_END
00106 };
00107
00108 typedef SmallVector<TileSpriteToDraw, 64> TileSpriteToDrawVector;
00109 typedef SmallVector<StringSpriteToDraw, 4> StringSpriteToDrawVector;
00110 typedef SmallVector<ParentSpriteToDraw, 64> ParentSpriteToDrawVector;
00111 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
00112 typedef SmallVector<ChildScreenSpriteToDraw, 16> ChildScreenSpriteToDrawVector;
00113
00115 struct ViewportDrawer {
00116 DrawPixelInfo dpi;
00117
00118 StringSpriteToDrawVector string_sprites_to_draw;
00119 TileSpriteToDrawVector tile_sprites_to_draw;
00120 ParentSpriteToDrawVector parent_sprites_to_draw;
00121 ParentSpriteToSortVector parent_sprites_to_sort;
00122 ChildScreenSpriteToDrawVector child_screen_sprites_to_draw;
00123
00124 int *last_child;
00125
00126 byte combine_sprites;
00127
00128 int foundation[FOUNDATION_PART_END];
00129 FoundationPart foundation_part;
00130 int *last_foundation_child[FOUNDATION_PART_END];
00131 Point foundation_offset[FOUNDATION_PART_END];
00132 };
00133
00134 static ViewportDrawer _vd;
00135
00136 TileHighlightData _thd;
00137 static TileInfo *_cur_ti;
00138 bool _draw_bounding_boxes = false;
00139
00140 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00141 {
00142 Point p = RemapCoords(x, y, z);
00143 p.x -= vp->virtual_width / 2;
00144 p.y -= vp->virtual_height / 2;
00145 return p;
00146 }
00147
00148 void DeleteWindowViewport(Window *w)
00149 {
00150 free(w->viewport);
00151 w->viewport = NULL;
00152 }
00153
00166 void InitializeWindowViewport(Window *w, int x, int y,
00167 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00168 {
00169 assert(w->viewport == NULL);
00170
00171 ViewportData *vp = CallocT<ViewportData>(1);
00172
00173 vp->left = x + w->left;
00174 vp->top = y + w->top;
00175 vp->width = width;
00176 vp->height = height;
00177
00178 vp->zoom = zoom;
00179
00180 vp->virtual_width = ScaleByZoom(width, zoom);
00181 vp->virtual_height = ScaleByZoom(height, zoom);
00182
00183 Point pt;
00184
00185 if (follow_flags & 0x80000000) {
00186 const Vehicle *veh;
00187
00188 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFF);
00189 veh = GetVehicle(vp->follow_vehicle);
00190 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00191 } else {
00192 uint x = TileX(follow_flags) * TILE_SIZE;
00193 uint y = TileY(follow_flags) * TILE_SIZE;
00194
00195 vp->follow_vehicle = INVALID_VEHICLE;
00196 pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
00197 }
00198
00199 vp->scrollpos_x = pt.x;
00200 vp->scrollpos_y = pt.y;
00201 vp->dest_scrollpos_x = pt.x;
00202 vp->dest_scrollpos_y = pt.y;
00203
00204 w->viewport = vp;
00205 vp->virtual_left = 0;
00206 vp->virtual_top = 0;
00207 }
00208
00209 static Point _vp_move_offs;
00210
00211 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00212 {
00213 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00214 if (left + width > w->left &&
00215 w->left + w->width > left &&
00216 top + height > w->top &&
00217 w->top + w->height > top) {
00218
00219 if (left < w->left) {
00220 DoSetViewportPosition(w, left, top, w->left - left, height);
00221 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00222 return;
00223 }
00224
00225 if (left + width > w->left + w->width) {
00226 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00227 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left) , height);
00228 return;
00229 }
00230
00231 if (top < w->top) {
00232 DoSetViewportPosition(w, left, top, width, (w->top - top));
00233 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00234 return;
00235 }
00236
00237 if (top + height > w->top + w->height) {
00238 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00239 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width , height - (w->top + w->height - top));
00240 return;
00241 }
00242
00243 return;
00244 }
00245 }
00246
00247 {
00248 int xo = _vp_move_offs.x;
00249 int yo = _vp_move_offs.y;
00250
00251 if (abs(xo) >= width || abs(yo) >= height) {
00252
00253 RedrawScreenRect(left, top, left + width, top + height);
00254 return;
00255 }
00256
00257 GfxScroll(left, top, width, height, xo, yo);
00258
00259 if (xo > 0) {
00260 RedrawScreenRect(left, top, xo + left, top + height);
00261 left += xo;
00262 width -= xo;
00263 } else if (xo < 0) {
00264 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00265 width += xo;
00266 }
00267
00268 if (yo > 0) {
00269 RedrawScreenRect(left, top, width + left, top + yo);
00270 } else if (yo < 0) {
00271 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00272 }
00273 }
00274 }
00275
00276 static void SetViewportPosition(Window *w, int x, int y)
00277 {
00278 ViewPort *vp = w->viewport;
00279 int old_left = vp->virtual_left;
00280 int old_top = vp->virtual_top;
00281 int i;
00282 int left, top, width, height;
00283
00284 vp->virtual_left = x;
00285 vp->virtual_top = y;
00286
00287
00288
00289
00290 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00291 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00292 x = UnScaleByZoomLower(x, vp->zoom);
00293 y = UnScaleByZoomLower(y, vp->zoom);
00294
00295 old_left -= x;
00296 old_top -= y;
00297
00298 if (old_top == 0 && old_left == 0) return;
00299
00300 _vp_move_offs.x = old_left;
00301 _vp_move_offs.y = old_top;
00302
00303 left = vp->left;
00304 top = vp->top;
00305 width = vp->width;
00306 height = vp->height;
00307
00308 if (left < 0) {
00309 width += left;
00310 left = 0;
00311 }
00312
00313 i = left + width - _screen.width;
00314 if (i >= 0) width -= i;
00315
00316 if (width > 0) {
00317 if (top < 0) {
00318 height += top;
00319 top = 0;
00320 }
00321
00322 i = top + height - _screen.height;
00323 if (i >= 0) height -= i;
00324
00325 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00326 }
00327 }
00328
00337 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00338 {
00339 ViewPort *vp = w->viewport;
00340
00341 if (vp != NULL &&
00342 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00343 IsInsideMM(y, vp->top, vp->top + vp->height))
00344 return vp;
00345
00346 return NULL;
00347 }
00348
00355 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00356 {
00357 Point pt;
00358 int a, b;
00359 uint z;
00360
00361 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00362 (uint)(y -= vp->top) >= (uint)vp->height) {
00363 Point pt = {-1, -1};
00364 return pt;
00365 }
00366
00367 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> 2;
00368 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> 1;
00369
00370 a = y - x;
00371 b = y + x;
00372
00373
00374
00375
00376 a = Clamp(a, -4 * TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00377 b = Clamp(b, -4 * TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00378
00379
00380
00381
00382
00383
00384
00385
00386 z = 0;
00387
00388 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00389
00390 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;
00391 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;
00392 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;
00393
00394 pt.x = Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1);
00395 pt.y = Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1);
00396
00397 return pt;
00398 }
00399
00400
00401
00402
00403 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00404 {
00405 Window *w;
00406 ViewPort *vp;
00407 Point pt;
00408
00409 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00410 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00411 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00412
00413 pt.y = pt.x = -1;
00414 return pt;
00415 }
00416
00417 Point GetTileBelowCursor()
00418 {
00419 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00420 }
00421
00422
00423 Point GetTileZoomCenterWindow(bool in, Window * w)
00424 {
00425 int x, y;
00426 ViewPort *vp = w->viewport;
00427
00428 if (in) {
00429 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00430 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00431 } else {
00432 x = vp->width - (_cursor.pos.x - vp->left);
00433 y = vp->height - (_cursor.pos.y - vp->top);
00434 }
00435
00436 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00437 }
00438
00445 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00446 {
00447 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
00448 w->InvalidateWidget(widget_zoom_in);
00449
00450 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
00451 w->InvalidateWidget(widget_zoom_out);
00452 }
00453
00465 void DrawGroundSpriteAt(SpriteID image, SpriteID pal, int32 x, int32 y, byte z, const SubSprite *sub)
00466 {
00467 assert((image & SPRITE_MASK) < MAX_SPRITES);
00468
00469 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00470 ts->image = image;
00471 ts->pal = pal;
00472 ts->sub = sub;
00473 ts->x = x;
00474 ts->y = y;
00475 ts->z = z;
00476 }
00477
00490 static void AddChildSpriteToFoundation(SpriteID image, SpriteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00491 {
00492 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00493 assert(_vd.foundation[foundation_part] != -1);
00494 Point offs = _vd.foundation_offset[foundation_part];
00495
00496
00497 int *old_child = _vd.last_child;
00498 _vd.last_child = _vd.last_foundation_child[foundation_part];
00499
00500 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
00501
00502
00503 _vd.last_child = old_child;
00504 }
00505
00514 void DrawGroundSprite(SpriteID image, SpriteID pal, const SubSprite *sub)
00515 {
00516
00517 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00518
00519 if (_vd.foundation[_vd.foundation_part] != -1) {
00520 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, 0, 0);
00521 } else {
00522 DrawGroundSpriteAt(image, pal, _cur_ti->x, _cur_ti->y, _cur_ti->z, sub);
00523 }
00524 }
00525
00526
00534 void OffsetGroundSprite(int x, int y)
00535 {
00536
00537 switch (_vd.foundation_part) {
00538 case FOUNDATION_PART_NONE:
00539 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00540 break;
00541 case FOUNDATION_PART_NORMAL:
00542 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00543 break;
00544 default: NOT_REACHED();
00545 }
00546
00547
00548 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00549
00550 _vd.foundation_offset[_vd.foundation_part].x = x;
00551 _vd.foundation_offset[_vd.foundation_part].y = y;
00552 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00553 }
00554
00566 static void AddCombinedSprite(SpriteID image, SpriteID pal, int x, int y, byte z, const SubSprite *sub)
00567 {
00568 Point pt = RemapCoords(x, y, z);
00569 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00570
00571 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00572 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00573 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00574 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00575 return;
00576
00577 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00578 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub);
00579 }
00580
00605 void AddSortableSpriteToDraw(SpriteID image, SpriteID 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)
00606 {
00607 int32 left, right, top, bottom;
00608
00609 assert((image & SPRITE_MASK) < MAX_SPRITES);
00610
00611
00612 if (transparent) {
00613 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00614 pal = PALETTE_TO_TRANSPARENT;
00615 }
00616
00617 if (_vd.combine_sprites == 2) {
00618 AddCombinedSprite(image, pal, x, y, z, sub);
00619 return;
00620 }
00621
00622 _vd.last_child = NULL;
00623
00624 Point pt = RemapCoords(x, y, z);
00625 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00626
00627
00628 if (image == SPR_EMPTY_BOUNDING_BOX) {
00629 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00630 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00631 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00632 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00633 } else {
00634 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00635 left = tmp_left = (pt.x += spr->x_offs);
00636 right = (pt.x + spr->width );
00637 top = tmp_top = (pt.y += spr->y_offs);
00638 bottom = (pt.y + spr->height);
00639 }
00640
00641 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00642
00643 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00644 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00645 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00646 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00647 }
00648
00649
00650 if (left >= _vd.dpi.left + _vd.dpi.width ||
00651 right <= _vd.dpi.left ||
00652 top >= _vd.dpi.top + _vd.dpi.height ||
00653 bottom <= _vd.dpi.top) {
00654 return;
00655 }
00656
00657 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00658 ps->x = tmp_x;
00659 ps->y = tmp_y;
00660
00661 ps->left = tmp_left;
00662 ps->top = tmp_top;
00663
00664 ps->image = image;
00665 ps->pal = pal;
00666 ps->sub = sub;
00667 ps->xmin = x + bb_offset_x;
00668 ps->xmax = x + max(bb_offset_x, w) - 1;
00669
00670 ps->ymin = y + bb_offset_y;
00671 ps->ymax = y + max(bb_offset_y, h) - 1;
00672
00673 ps->zmin = z + bb_offset_z;
00674 ps->zmax = z + max(bb_offset_z, dz) - 1;
00675
00676 ps->comparison_done = false;
00677 ps->first_child = -1;
00678
00679 _vd.last_child = &ps->first_child;
00680
00681 if (_vd.combine_sprites == 1) _vd.combine_sprites = 2;
00682 }
00683
00684 void StartSpriteCombine()
00685 {
00686 _vd.combine_sprites = 1;
00687 }
00688
00689 void EndSpriteCombine()
00690 {
00691 _vd.combine_sprites = 0;
00692 }
00693
00704 void AddChildSpriteScreen(SpriteID image, SpriteID pal, int x, int y, bool transparent, const SubSprite *sub)
00705 {
00706 assert((image & SPRITE_MASK) < MAX_SPRITES);
00707
00708
00709 if (_vd.last_child == NULL) return;
00710
00711
00712 if (transparent) {
00713 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00714 pal = PALETTE_TO_TRANSPARENT;
00715 }
00716
00717 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00718
00719 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00720 cs->image = image;
00721 cs->pal = pal;
00722 cs->sub = sub;
00723 cs->x = x;
00724 cs->y = y;
00725 cs->next = -1;
00726
00727
00728
00729
00730 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00731 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00732 _vd.last_child = &cs->next;
00733 }
00734
00735
00736 void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, uint16 colour, uint16 width)
00737 {
00738 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00739 ss->string = string;
00740 ss->x = x;
00741 ss->y = y;
00742 ss->params[0] = params_1;
00743 ss->params[1] = params_2;
00744 ss->width = width;
00745 ss->colour = colour;
00746 }
00747
00748
00760 static void DrawSelectionSprite(SpriteID image, SpriteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00761 {
00762
00763 if (_vd.foundation[foundation_part] == -1) {
00764
00765 DrawGroundSpriteAt(image, pal, ti->x, ti->y, ti->z + z_offset);
00766 } else {
00767
00768 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
00769 }
00770 }
00771
00778 static void DrawTileSelectionRect(const TileInfo *ti, SpriteID pal)
00779 {
00780 if (!IsValidTile(ti->tile)) return;
00781
00782 SpriteID sel;
00783 if (IsHalftileSlope(ti->tileh)) {
00784 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00785 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00786 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00787
00788 Corner opposite_corner = OppositeCorner(halftile_corner);
00789 if (IsSteepSlope(ti->tileh)) {
00790 sel = SPR_HALFTILE_SELECTION_DOWN;
00791 } else {
00792 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00793 }
00794 sel += opposite_corner;
00795 } else {
00796 sel = SPR_SELECT_TILE + _tileh_to_sprite[ti->tileh];
00797 }
00798 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00799 }
00800
00801 static bool IsPartOfAutoLine(int px, int py)
00802 {
00803 px -= _thd.selstart.x;
00804 py -= _thd.selstart.y;
00805
00806 if ((_thd.drawstyle & ~HT_DIR_MASK) != HT_LINE) return false;
00807
00808 switch (_thd.drawstyle & HT_DIR_MASK) {
00809 case HT_DIR_X: return py == 0;
00810 case HT_DIR_Y: return px == 0;
00811 case HT_DIR_HU: return px == -py || px == -py - 16;
00812 case HT_DIR_HL: return px == -py || px == -py + 16;
00813 case HT_DIR_VL: return px == py || px == py + 16;
00814 case HT_DIR_VR: return px == py || px == py - 16;
00815 default:
00816 NOT_REACHED();
00817 }
00818 }
00819
00820
00821 static const HighLightStyle _autorail_type[6][2] = {
00822 { HT_DIR_X, HT_DIR_X },
00823 { HT_DIR_Y, HT_DIR_Y },
00824 { HT_DIR_HU, HT_DIR_HL },
00825 { HT_DIR_HL, HT_DIR_HU },
00826 { HT_DIR_VL, HT_DIR_VR },
00827 { HT_DIR_VR, HT_DIR_VL }
00828 };
00829
00830 #include "table/autorail.h"
00831
00838 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00839 {
00840 SpriteID image;
00841 SpriteID pal;
00842 int offset;
00843
00844 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00845 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00846 if (IsHalftileSlope(ti->tileh)) {
00847 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00848 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00849 if (autorail_type != _lower_rail[halftile_corner]) {
00850 foundation_part = FOUNDATION_PART_HALFTILE;
00851
00852 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00853 }
00854 }
00855
00856 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00857 if (offset >= 0) {
00858 image = SPR_AUTORAIL_BASE + offset;
00859 pal = PAL_NONE;
00860 } else {
00861 image = SPR_AUTORAIL_BASE - offset;
00862 pal = PALETTE_SEL_TILE_RED;
00863 }
00864
00865 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00866 }
00867
00872 static void DrawTileSelection(const TileInfo *ti)
00873 {
00874
00875 bool is_redsq = _thd.redsq == ti->tile;
00876 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00877
00878
00879 if (_thd.drawstyle == 0) return;
00880
00881
00882 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00883 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00884 if (_thd.drawstyle & HT_RECT) {
00885 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00886 } else if (_thd.drawstyle & HT_POINT) {
00887
00888 byte z = 0;
00889 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00890 if (ti->tileh & SLOPE_N) {
00891 z += TILE_HEIGHT;
00892 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00893 }
00894 if (IsHalftileSlope(ti->tileh)) {
00895 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00896 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
00897 if (halftile_corner != CORNER_S) {
00898 foundation_part = FOUNDATION_PART_HALFTILE;
00899 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
00900 }
00901 }
00902 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
00903 } else if (_thd.drawstyle & HT_RAIL ) {
00904
00905 uint type = _thd.drawstyle & 0xF;
00906 assert(type <= 5);
00907 DrawAutorailSelection(ti, _autorail_type[type][0]);
00908 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
00909
00910 int dir = _thd.drawstyle & ~0xF0;
00911 uint side;
00912
00913 if (dir < 2) {
00914 side = 0;
00915 } else {
00916 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
00917 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
00918 }
00919
00920 DrawAutorailSelection(ti, _autorail_type[dir][side]);
00921 }
00922 return;
00923 }
00924
00925
00926 if (!is_redsq && _thd.outersize.x &&
00927 _thd.size.x < _thd.size.x + _thd.outersize.x &&
00928 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
00929 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
00930
00931 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
00932 return;
00933 }
00934 }
00935
00936 static void ViewportAddLandscape()
00937 {
00938 int x, y, width, height;
00939 TileInfo ti;
00940 bool direction;
00941
00942 _cur_ti = &ti;
00943
00944
00945 x = ((_vd.dpi.top >> 1) - (_vd.dpi.left >> 2)) & ~0xF;
00946 y = ((_vd.dpi.top >> 1) + (_vd.dpi.left >> 2) - 0x10) & ~0xF;
00947
00948
00949 {
00950 Point pt = RemapCoords(x, y, 241);
00951 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 95) >> 6;
00952 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> 5 << 1;
00953 }
00954
00955 assert(width > 0);
00956 assert(height > 0);
00957
00958 direction = false;
00959
00960 do {
00961 int width_cur = width;
00962 int x_cur = x;
00963 int y_cur = y;
00964
00965 do {
00966 TileType tt = MP_VOID;
00967
00968 ti.x = x_cur;
00969 ti.y = y_cur;
00970
00971 ti.z = 0;
00972
00973 ti.tileh = SLOPE_FLAT;
00974 ti.tile = INVALID_TILE;
00975
00976 if (0 <= x_cur && x_cur < (int)MapMaxX() * TILE_SIZE &&
00977 0 <= y_cur && y_cur < (int)MapMaxY() * TILE_SIZE) {
00978 TileIndex tile = TileVirtXY(x_cur, y_cur);
00979
00980 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
00981 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
00982 uint maxh = max<uint>(TileHeight(tile), 1);
00983 for (uint h = 0; h < maxh; h++) {
00984 DrawGroundSpriteAt(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
00985 }
00986 }
00987
00988 ti.tile = tile;
00989 ti.tileh = GetTileSlope(tile, &ti.z);
00990 tt = GetTileType(tile);
00991 }
00992 }
00993
00994 _vd.foundation_part = FOUNDATION_PART_NONE;
00995 _vd.foundation[0] = -1;
00996 _vd.foundation[1] = -1;
00997 _vd.last_foundation_child[0] = NULL;
00998 _vd.last_foundation_child[1] = NULL;
00999
01000 _tile_type_procs[tt]->draw_tile_proc(&ti);
01001
01002 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01003 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01004 TileIndex tile = TileVirtXY(x_cur, y_cur);
01005 ti.tile = tile;
01006 ti.tileh = GetTileSlope(tile, &ti.z);
01007 tt = GetTileType(tile);
01008 }
01009 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01010
01011 y_cur += 0x10;
01012 x_cur -= 0x10;
01013 } while (--width_cur);
01014
01015 if ((direction ^= 1) != 0) {
01016 y += 0x10;
01017 } else {
01018 x += 0x10;
01019 }
01020 } while (--height);
01021 }
01022
01023
01024 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01025 {
01026 Town *t;
01027 int left, top, right, bottom;
01028
01029 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU)
01030 return;
01031
01032 left = dpi->left;
01033 top = dpi->top;
01034 right = left + dpi->width;
01035 bottom = top + dpi->height;
01036
01037 switch (dpi->zoom) {
01038 case ZOOM_LVL_NORMAL:
01039 FOR_ALL_TOWNS(t) {
01040 if (bottom > t->sign.top &&
01041 top < t->sign.top + 12 &&
01042 right > t->sign.left &&
01043 left < t->sign.left + t->sign.width_1) {
01044 AddStringToDraw(t->sign.left + 1, t->sign.top + 1,
01045 _settings_client.gui.population_in_label ? STR_TOWN_LABEL_POP : STR_TOWN_LABEL,
01046 t->index, t->population);
01047 }
01048 }
01049 break;
01050
01051 case ZOOM_LVL_OUT_2X:
01052 right += 2;
01053 bottom += 2;
01054
01055 FOR_ALL_TOWNS(t) {
01056 if (bottom > t->sign.top &&
01057 top < t->sign.top + 24 &&
01058 right > t->sign.left &&
01059 left < t->sign.left + t->sign.width_1 * 2) {
01060 AddStringToDraw(t->sign.left + 1, t->sign.top + 1,
01061 _settings_client.gui.population_in_label ? STR_TOWN_LABEL_POP : STR_TOWN_LABEL,
01062 t->index, t->population);
01063 }
01064 }
01065 break;
01066
01067 case ZOOM_LVL_OUT_4X:
01068 case ZOOM_LVL_OUT_8X:
01069 right += ScaleByZoom(1, dpi->zoom);
01070 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01071
01072 FOR_ALL_TOWNS(t) {
01073 if (bottom > t->sign.top &&
01074 top < t->sign.top + ScaleByZoom(12, dpi->zoom) &&
01075 right > t->sign.left &&
01076 left < t->sign.left + ScaleByZoom(t->sign.width_2, dpi->zoom)) {
01077 AddStringToDraw(t->sign.left + 5, t->sign.top + 1, STR_TOWN_LABEL_TINY_BLACK, t->index, 0);
01078 AddStringToDraw(t->sign.left + 1, t->sign.top - 3, STR_TOWN_LABEL_TINY_WHITE, t->index, 0);
01079 }
01080 }
01081 break;
01082
01083 default: NOT_REACHED();
01084 }
01085 }
01086
01087
01088 static void AddStation(const Station *st, StringID str, uint16 width)
01089 {
01090 AddStringToDraw(st->sign.left + 1, st->sign.top + 1, str, st->index, st->facilities, (st->owner == OWNER_NONE || st->facilities == 0) ? 0xE : _company_colours[st->owner], width);
01091 }
01092
01093
01094 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01095 {
01096 int left, top, right, bottom;
01097 const Station *st;
01098
01099 if (!HasBit(_display_opt, DO_SHOW_STATION_NAMES) || _game_mode == GM_MENU)
01100 return;
01101
01102 left = dpi->left;
01103 top = dpi->top;
01104 right = left + dpi->width;
01105 bottom = top + dpi->height;
01106
01107 switch (dpi->zoom) {
01108 case ZOOM_LVL_NORMAL:
01109 FOR_ALL_STATIONS(st) {
01110 if (bottom > st->sign.top &&
01111 top < st->sign.top + 12 &&
01112 right > st->sign.left &&
01113 left < st->sign.left + st->sign.width_1) {
01114 AddStation(st, STR_305C_0, st->sign.width_1);
01115 }
01116 }
01117 break;
01118
01119 case ZOOM_LVL_OUT_2X:
01120 right += 2;
01121 bottom += 2;
01122 FOR_ALL_STATIONS(st) {
01123 if (bottom > st->sign.top &&
01124 top < st->sign.top + 24 &&
01125 right > st->sign.left &&
01126 left < st->sign.left + st->sign.width_1 * 2) {
01127 AddStation(st, STR_305C_0, st->sign.width_1);
01128 }
01129 }
01130 break;
01131
01132 case ZOOM_LVL_OUT_4X:
01133 case ZOOM_LVL_OUT_8X:
01134 right += ScaleByZoom(1, dpi->zoom);
01135 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01136
01137 FOR_ALL_STATIONS(st) {
01138 if (bottom > st->sign.top &&
01139 top < st->sign.top + ScaleByZoom(12, dpi->zoom) &&
01140 right > st->sign.left &&
01141 left < st->sign.left + ScaleByZoom(st->sign.width_2, dpi->zoom)) {
01142 AddStation(st, STR_STATION_SIGN_TINY, st->sign.width_2 | 0x8000);
01143 }
01144 }
01145 break;
01146
01147 default: NOT_REACHED();
01148 }
01149 }
01150
01151
01152 static void AddSign(const Sign *si, StringID str, uint16 width)
01153 {
01154 AddStringToDraw(si->sign.left + 1, si->sign.top + 1, str, si->index, 0, (si->owner == OWNER_NONE) ? 14 : _company_colours[si->owner], width);
01155 }
01156
01157
01158 static void ViewportAddSigns(DrawPixelInfo *dpi)
01159 {
01160 const Sign *si;
01161 int left, top, right, bottom;
01162
01163
01164 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01165
01166 left = dpi->left;
01167 top = dpi->top;
01168 right = left + dpi->width;
01169 bottom = top + dpi->height;
01170
01171 switch (dpi->zoom) {
01172 case ZOOM_LVL_NORMAL:
01173 FOR_ALL_SIGNS(si) {
01174 if (bottom > si->sign.top &&
01175 top < si->sign.top + 12 &&
01176 right > si->sign.left &&
01177 left < si->sign.left + si->sign.width_1) {
01178 AddSign(si, STR_2806, si->sign.width_1);
01179 }
01180 }
01181 break;
01182
01183 case ZOOM_LVL_OUT_2X:
01184 right += 2;
01185 bottom += 2;
01186 FOR_ALL_SIGNS(si) {
01187 if (bottom > si->sign.top &&
01188 top < si->sign.top + 24 &&
01189 right > si->sign.left &&
01190 left < si->sign.left + si->sign.width_1 * 2) {
01191 AddSign(si, STR_2806, si->sign.width_1);
01192 }
01193 }
01194 break;
01195
01196 case ZOOM_LVL_OUT_4X:
01197 case ZOOM_LVL_OUT_8X:
01198 right += ScaleByZoom(1, dpi->zoom);
01199 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01200
01201 FOR_ALL_SIGNS(si) {
01202 if (bottom > si->sign.top &&
01203 top < si->sign.top + ScaleByZoom(12, dpi->zoom) &&
01204 right > si->sign.left &&
01205 left < si->sign.left + ScaleByZoom(si->sign.width_2, dpi->zoom)) {
01206 AddSign(si, IsTransparencySet(TO_SIGNS) ? STR_2002_WHITE : STR_2002, si->sign.width_2 | 0x8000);
01207 }
01208 }
01209 break;
01210
01211 default: NOT_REACHED();
01212 }
01213 }
01214
01215
01216 static void AddWaypoint(const Waypoint *wp, StringID str, uint16 width)
01217 {
01218 AddStringToDraw(wp->sign.left + 1, wp->sign.top + 1, str, wp->index, 0, (wp->deleted ? 0xE : _company_colours[wp->owner]), width);
01219 }
01220
01221
01222 static void ViewportAddWaypoints(DrawPixelInfo *dpi)
01223 {
01224 const Waypoint *wp;
01225 int left, top, right, bottom;
01226
01227 if (!HasBit(_display_opt, DO_WAYPOINTS))
01228 return;
01229
01230 left = dpi->left;
01231 top = dpi->top;
01232 right = left + dpi->width;
01233 bottom = top + dpi->height;
01234
01235 switch (dpi->zoom) {
01236 case ZOOM_LVL_NORMAL:
01237 FOR_ALL_WAYPOINTS(wp) {
01238 if (bottom > wp->sign.top &&
01239 top < wp->sign.top + 12 &&
01240 right > wp->sign.left &&
01241 left < wp->sign.left + wp->sign.width_1) {
01242 AddWaypoint(wp, STR_WAYPOINT_VIEWPORT, wp->sign.width_1);
01243 }
01244 }
01245 break;
01246
01247 case ZOOM_LVL_OUT_2X:
01248 right += 2;
01249 bottom += 2;
01250 FOR_ALL_WAYPOINTS(wp) {
01251 if (bottom > wp->sign.top &&
01252 top < wp->sign.top + 24 &&
01253 right > wp->sign.left &&
01254 left < wp->sign.left + wp->sign.width_1 * 2) {
01255 AddWaypoint(wp, STR_WAYPOINT_VIEWPORT, wp->sign.width_1);
01256 }
01257 }
01258 break;
01259
01260 case ZOOM_LVL_OUT_4X:
01261 case ZOOM_LVL_OUT_8X:
01262 right += ScaleByZoom(1, dpi->zoom);
01263 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01264
01265 FOR_ALL_WAYPOINTS(wp) {
01266 if (bottom > wp->sign.top &&
01267 top < wp->sign.top + ScaleByZoom(12, dpi->zoom) &&
01268 right > wp->sign.left &&
01269 left < wp->sign.left + ScaleByZoom(wp->sign.width_2, dpi->zoom)) {
01270 AddWaypoint(wp, STR_WAYPOINT_VIEWPORT_TINY, wp->sign.width_2 | 0x8000);
01271 }
01272 }
01273 break;
01274
01275 default: NOT_REACHED();
01276 }
01277 }
01278
01279 void UpdateViewportSignPos(ViewportSign *sign, int left, int top, StringID str)
01280 {
01281 char buffer[256];
01282 uint w;
01283
01284 sign->top = top;
01285
01286 GetString(buffer, str, lastof(buffer));
01287 w = GetStringBoundingBox(buffer).width + 3;
01288 sign->width_1 = w;
01289 sign->left = left - w / 2;
01290
01291
01292 _cur_fontsize = FS_SMALL;
01293 w = GetStringBoundingBox(buffer).width + 3;
01294 _cur_fontsize = FS_NORMAL;
01295 sign->width_2 = w;
01296 }
01297
01298
01299 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01300 {
01301 const TileSpriteToDraw *tsend = tstdv->End();
01302 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01303 Point pt = RemapCoords(ts->x, ts->y, ts->z);
01304 DrawSprite(ts->image, ts->pal, pt.x, pt.y, ts->sub);
01305 }
01306 }
01307
01309 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01310 {
01311 ParentSpriteToDraw **psdvend = psdv->End();
01312 ParentSpriteToDraw **psd = psdv->Begin();
01313 while (psd != psdvend) {
01314 ParentSpriteToDraw *ps = *psd;
01315
01316 if (ps->comparison_done) {
01317 psd++;
01318 continue;
01319 }
01320
01321 ps->comparison_done = true;
01322
01323 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01324 ParentSpriteToDraw *ps2 = *psd2;
01325
01326 if (ps2->comparison_done) continue;
01327
01328
01329
01330
01331 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01332 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01333 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01334
01335
01336
01337
01338
01339
01340 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01341 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01342 continue;
01343 }
01344 } else {
01345
01346
01347
01348
01349 if (ps->xmax < ps2->xmin ||
01350 ps->ymax < ps2->ymin ||
01351 ps->zmax < ps2->zmin) {
01352 continue;
01353 }
01354 }
01355
01356
01357 ParentSpriteToDraw *temp = ps2;
01358 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01359 *psd3 = *(psd3 - 1);
01360 }
01361 *psd = temp;
01362 }
01363 }
01364 }
01365
01366 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01367 {
01368 const ParentSpriteToDraw * const *psd_end = psd->End();
01369 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01370 const ParentSpriteToDraw *ps = *it;
01371 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01372
01373 int child_idx = ps->first_child;
01374 while (child_idx >= 0) {
01375 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01376 child_idx = cs->next;
01377 DrawSprite(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01378 }
01379 }
01380 }
01381
01386 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01387 {
01388 const ParentSpriteToDraw * const *psd_end = psd->End();
01389 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01390 const ParentSpriteToDraw *ps = *it;
01391 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01392 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01393 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01394 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01395
01396 DrawBox( pt1.x, pt1.y,
01397 pt2.x - pt1.x, pt2.y - pt1.y,
01398 pt3.x - pt1.x, pt3.y - pt1.y,
01399 pt4.x - pt1.x, pt4.y - pt1.y);
01400 }
01401 }
01402
01403 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01404 {
01405 DrawPixelInfo dp;
01406 ZoomLevel zoom;
01407
01408 _cur_dpi = &dp;
01409 dp = *dpi;
01410
01411 zoom = dp.zoom;
01412 dp.zoom = ZOOM_LVL_NORMAL;
01413
01414 dp.left = UnScaleByZoom(dp.left, zoom);
01415 dp.top = UnScaleByZoom(dp.top, zoom);
01416 dp.width = UnScaleByZoom(dp.width, zoom);
01417 dp.height = UnScaleByZoom(dp.height, zoom);
01418
01419 const StringSpriteToDraw *ssend = sstdv->End();
01420 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01421 TextColour colour;
01422
01423 if (ss->width != 0) {
01424
01425 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_2806) continue;
01426
01427 int x = UnScaleByZoom(ss->x, zoom) - 1;
01428 int y = UnScaleByZoom(ss->y, zoom) - 1;
01429 int bottom = y + 11;
01430 int w = ss->width;
01431
01432 if (w & 0x8000) {
01433 w &= ~0x8000;
01434 y--;
01435 bottom -= 6;
01436 w -= 3;
01437 }
01438
01439
01440
01441 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_2806) {
01442 DrawFrameRect(
01443 x, y, x + w, bottom, (Colours)ss->colour,
01444 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01445 );
01446 }
01447 }
01448
01449 SetDParam(0, ss->params[0]);
01450 SetDParam(1, ss->params[1]);
01451
01452
01453 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_2806 && ss->width != 0) {
01454
01455
01456 colour = (TextColour)_colour_gradient[ss->colour][6] | IS_PALETTE_COLOUR;
01457 } else {
01458 colour = TC_BLACK;
01459 }
01460 DrawString(
01461 UnScaleByZoom(ss->x, zoom), UnScaleByZoom(ss->y, zoom) - (ss->width & 0x8000 ? 2 : 0),
01462 ss->string, colour
01463 );
01464 }
01465 }
01466
01467 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01468 {
01469 DrawPixelInfo *old_dpi = _cur_dpi;
01470 _cur_dpi = &_vd.dpi;
01471
01472 _vd.dpi.zoom = vp->zoom;
01473 int mask = ScaleByZoom(-1, vp->zoom);
01474
01475 _vd.combine_sprites = 0;
01476
01477 _vd.dpi.width = (right - left) & mask;
01478 _vd.dpi.height = (bottom - top) & mask;
01479 _vd.dpi.left = left & mask;
01480 _vd.dpi.top = top & mask;
01481 _vd.dpi.pitch = old_dpi->pitch;
01482 _vd.last_child = NULL;
01483
01484 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01485 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01486
01487 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01488
01489 ViewportAddLandscape();
01490 ViewportAddVehicles(&_vd.dpi);
01491
01492 ViewportAddTownNames(&_vd.dpi);
01493 ViewportAddStationNames(&_vd.dpi);
01494 ViewportAddSigns(&_vd.dpi);
01495 ViewportAddWaypoints(&_vd.dpi);
01496
01497 DrawTextEffects(&_vd.dpi);
01498
01499 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01500
01501 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01502 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01503 *_vd.parent_sprites_to_sort.Append() = it;
01504 }
01505
01506 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01507 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01508
01509 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01510
01511 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01512
01513 _cur_dpi = old_dpi;
01514
01515 _vd.string_sprites_to_draw.Clear();
01516 _vd.tile_sprites_to_draw.Clear();
01517 _vd.parent_sprites_to_draw.Clear();
01518 _vd.parent_sprites_to_sort.Clear();
01519 _vd.child_screen_sprites_to_draw.Clear();
01520 }
01521
01524 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01525 {
01526 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000) {
01527 if ((bottom - top) > (right - left)) {
01528 int t = (top + bottom) >> 1;
01529 ViewportDrawChk(vp, left, top, right, t);
01530 ViewportDrawChk(vp, left, t, right, bottom);
01531 } else {
01532 int t = (left + right) >> 1;
01533 ViewportDrawChk(vp, left, top, t, bottom);
01534 ViewportDrawChk(vp, t, top, right, bottom);
01535 }
01536 } else {
01537 ViewportDoDraw(vp,
01538 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01539 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01540 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01541 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01542 );
01543 }
01544 }
01545
01546 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01547 {
01548 if (right <= vp->left || bottom <= vp->top) return;
01549
01550 if (left >= vp->left + vp->width) return;
01551
01552 if (left < vp->left) left = vp->left;
01553 if (right > vp->left + vp->width) right = vp->left + vp->width;
01554
01555 if (top >= vp->top + vp->height) return;
01556
01557 if (top < vp->top) top = vp->top;
01558 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01559
01560 ViewportDrawChk(vp, left, top, right, bottom);
01561 }
01562
01566 void Window::DrawViewport() const
01567 {
01568 DrawPixelInfo *dpi = _cur_dpi;
01569
01570 dpi->left += this->left;
01571 dpi->top += this->top;
01572
01573 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01574
01575 dpi->left -= this->left;
01576 dpi->top -= this->top;
01577 }
01578
01579 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01580 {
01581
01582 x += vp->virtual_width / 2;
01583 y += vp->virtual_height / 2;
01584
01585
01586
01587 int vx = -x + y * 2;
01588 int vy = x + y * 2;
01589
01590
01591 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4);
01592 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4);
01593
01594
01595 x = (-vx + vy) / 2;
01596 y = ( vx + vy) / 4;
01597
01598
01599 x -= vp->virtual_width / 2;
01600 y -= vp->virtual_height / 2;
01601 }
01602
01603 void UpdateViewportPosition(Window *w)
01604 {
01605 const ViewPort *vp = w->viewport;
01606
01607 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01608 const Vehicle *veh = GetVehicle(w->viewport->follow_vehicle);
01609 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01610
01611 w->viewport->scrollpos_x = pt.x;
01612 w->viewport->scrollpos_y = pt.y;
01613 SetViewportPosition(w, pt.x, pt.y);
01614 } else {
01615
01616 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01617
01618 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01619 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01620
01621 if (delta_x != 0 || delta_y != 0) {
01622 if (_settings_client.gui.smooth_scroll) {
01623 int max_scroll = ScaleByMapSize1D(512);
01624
01625 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01626 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01627 } else {
01628 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01629 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01630 }
01631 }
01632
01633 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01634
01635 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01636 }
01637 }
01638
01648 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01649 {
01650 right -= vp->virtual_left;
01651 if (right <= 0) return;
01652
01653 bottom -= vp->virtual_top;
01654 if (bottom <= 0) return;
01655
01656 left = max(0, left - vp->virtual_left);
01657
01658 if (left >= vp->virtual_width) return;
01659
01660 top = max(0, top - vp->virtual_top);
01661
01662 if (top >= vp->virtual_height) return;
01663
01664 SetDirtyBlocks(
01665 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01666 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01667 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01668 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01669 );
01670 }
01671
01680 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01681 {
01682 Window *w;
01683 FOR_ALL_WINDOWS_FROM_BACK(w) {
01684 ViewPort *vp = w->viewport;
01685 if (vp != NULL) {
01686 assert(vp->width != 0);
01687 MarkViewportDirty(vp, left, top, right, bottom);
01688 }
01689 }
01690 }
01691
01692 void MarkTileDirtyByTile(TileIndex tile)
01693 {
01694 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
01695 MarkAllViewportsDirty(
01696 pt.x - 31,
01697 pt.y - 122,
01698 pt.x - 31 + 67,
01699 pt.y - 122 + 154
01700 );
01701 }
01702
01703 void MarkTileDirty(int x, int y)
01704 {
01705 uint z = 0;
01706 Point pt;
01707
01708 if (IsInsideMM(x, 0, MapSizeX() * TILE_SIZE) &&
01709 IsInsideMM(y, 0, MapSizeY() * TILE_SIZE))
01710 z = GetTileZ(TileVirtXY(x, y));
01711 pt = RemapCoords(x, y, z);
01712
01713 MarkAllViewportsDirty(
01714 pt.x - 31,
01715 pt.y - 122,
01716 pt.x - 31 + 67,
01717 pt.y - 122 + 154
01718 );
01719 }
01720
01729 static void SetSelectionTilesDirty()
01730 {
01731 int y_size, x_size;
01732 int x = _thd.pos.x;
01733 int y = _thd.pos.y;
01734
01735 x_size = _thd.size.x;
01736 y_size = _thd.size.y;
01737
01738 if (_thd.outersize.x) {
01739 x_size += _thd.outersize.x;
01740 x += _thd.offs.x;
01741 y_size += _thd.outersize.y;
01742 y += _thd.offs.y;
01743 }
01744
01745 assert(x_size > 0);
01746 assert(y_size > 0);
01747
01748 x_size += x;
01749 y_size += y;
01750
01751 do {
01752 int y_bk = y;
01753 do {
01754 MarkTileDirty(x, y);
01755 } while ( (y += TILE_SIZE) != y_size);
01756 y = y_bk;
01757 } while ( (x += TILE_SIZE) != x_size);
01758 }
01759
01760
01761 void SetSelectionRed(bool b)
01762 {
01763 _thd.make_square_red = b;
01764 SetSelectionTilesDirty();
01765 }
01766
01767
01768 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01769 {
01770 const Town *t;
01771
01772 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01773
01774 switch (vp->zoom) {
01775 case ZOOM_LVL_NORMAL:
01776 x = x - vp->left + vp->virtual_left;
01777 y = y - vp->top + vp->virtual_top;
01778 FOR_ALL_TOWNS(t) {
01779 if (y >= t->sign.top &&
01780 y < t->sign.top + 12 &&
01781 x >= t->sign.left &&
01782 x < t->sign.left + t->sign.width_1) {
01783 ShowTownViewWindow(t->index);
01784 return true;
01785 }
01786 }
01787 break;
01788
01789 case ZOOM_LVL_OUT_2X:
01790 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01791 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01792 FOR_ALL_TOWNS(t) {
01793 if (y >= t->sign.top &&
01794 y < t->sign.top + 24 &&
01795 x >= t->sign.left &&
01796 x < t->sign.left + t->sign.width_1 * 2) {
01797 ShowTownViewWindow(t->index);
01798 return true;
01799 }
01800 }
01801 break;
01802
01803 case ZOOM_LVL_OUT_4X:
01804 case ZOOM_LVL_OUT_8X:
01805 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01806 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01807
01808 FOR_ALL_TOWNS(t) {
01809 if (y >= t->sign.top &&
01810 y < t->sign.top + ScaleByZoom(12, vp->zoom) &&
01811 x >= t->sign.left &&
01812 x < t->sign.left + ScaleByZoom(t->sign.width_2, vp->zoom)) {
01813 ShowTownViewWindow(t->index);
01814 return true;
01815 }
01816 }
01817 break;
01818
01819 default: NOT_REACHED();
01820 }
01821
01822 return false;
01823 }
01824
01825
01826 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01827 {
01828 const Station *st;
01829
01830 if (!HasBit(_display_opt, DO_SHOW_STATION_NAMES) || IsInvisibilitySet(TO_SIGNS)) return false;
01831
01832 switch (vp->zoom) {
01833 case ZOOM_LVL_NORMAL:
01834 x = x - vp->left + vp->virtual_left;
01835 y = y - vp->top + vp->virtual_top;
01836 FOR_ALL_STATIONS(st) {
01837 if (y >= st->sign.top &&
01838 y < st->sign.top + 12 &&
01839 x >= st->sign.left &&
01840 x < st->sign.left + st->sign.width_1) {
01841 ShowStationViewWindow(st->index);
01842 return true;
01843 }
01844 }
01845 break;
01846
01847 case ZOOM_LVL_OUT_2X:
01848 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01849 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01850 FOR_ALL_STATIONS(st) {
01851 if (y >= st->sign.top &&
01852 y < st->sign.top + 24 &&
01853 x >= st->sign.left &&
01854 x < st->sign.left + st->sign.width_1 * 2) {
01855 ShowStationViewWindow(st->index);
01856 return true;
01857 }
01858 }
01859 break;
01860
01861 case ZOOM_LVL_OUT_4X:
01862 case ZOOM_LVL_OUT_8X:
01863 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01864 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01865
01866 FOR_ALL_STATIONS(st) {
01867 if (y >= st->sign.top &&
01868 y < st->sign.top + ScaleByZoom(12, vp->zoom) &&
01869 x >= st->sign.left &&
01870 x < st->sign.left + ScaleByZoom(st->sign.width_2, vp->zoom)) {
01871 ShowStationViewWindow(st->index);
01872 return true;
01873 }
01874 }
01875 break;
01876
01877 default: NOT_REACHED();
01878 }
01879
01880 return false;
01881 }
01882
01883
01884 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01885 {
01886 const Sign *si;
01887
01888
01889 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _current_company == COMPANY_SPECTATOR) return false;
01890
01891 switch (vp->zoom) {
01892 case ZOOM_LVL_NORMAL:
01893 x = x - vp->left + vp->virtual_left;
01894 y = y - vp->top + vp->virtual_top;
01895 FOR_ALL_SIGNS(si) {
01896 if (y >= si->sign.top &&
01897 y < si->sign.top + 12 &&
01898 x >= si->sign.left &&
01899 x < si->sign.left + si->sign.width_1) {
01900 HandleClickOnSign(si);
01901 return true;
01902 }
01903 }
01904 break;
01905
01906 case ZOOM_LVL_OUT_2X:
01907 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01908 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01909 FOR_ALL_SIGNS(si) {
01910 if (y >= si->sign.top &&
01911 y < si->sign.top + 24 &&
01912 x >= si->sign.left &&
01913 x < si->sign.left + si->sign.width_1 * 2) {
01914 HandleClickOnSign(si);
01915 return true;
01916 }
01917 }
01918 break;
01919
01920 case ZOOM_LVL_OUT_4X:
01921 case ZOOM_LVL_OUT_8X:
01922 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01923 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01924
01925 FOR_ALL_SIGNS(si) {
01926 if (y >= si->sign.top &&
01927 y < si->sign.top + ScaleByZoom(12, vp->zoom) &&
01928 x >= si->sign.left &&
01929 x < si->sign.left + ScaleByZoom(si->sign.width_2, vp->zoom)) {
01930 HandleClickOnSign(si);
01931 return true;
01932 }
01933 }
01934 break;
01935
01936 default: NOT_REACHED();
01937 }
01938
01939 return false;
01940 }
01941
01942
01943 static bool CheckClickOnWaypoint(const ViewPort *vp, int x, int y)
01944 {
01945 const Waypoint *wp;
01946
01947 if (!HasBit(_display_opt, DO_WAYPOINTS) || IsInvisibilitySet(TO_SIGNS)) return false;
01948
01949 switch (vp->zoom) {
01950 case ZOOM_LVL_NORMAL:
01951 x = x - vp->left + vp->virtual_left;
01952 y = y - vp->top + vp->virtual_top;
01953 FOR_ALL_WAYPOINTS(wp) {
01954 if (y >= wp->sign.top &&
01955 y < wp->sign.top + 12 &&
01956 x >= wp->sign.left &&
01957 x < wp->sign.left + wp->sign.width_1) {
01958 ShowWaypointWindow(wp);
01959 return true;
01960 }
01961 }
01962 break;
01963
01964 case ZOOM_LVL_OUT_2X:
01965 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01966 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01967 FOR_ALL_WAYPOINTS(wp) {
01968 if (y >= wp->sign.top &&
01969 y < wp->sign.top + 24 &&
01970 x >= wp->sign.left &&
01971 x < wp->sign.left + wp->sign.width_1 * 2) {
01972 ShowWaypointWindow(wp);
01973 return true;
01974 }
01975 }
01976 break;
01977
01978 case ZOOM_LVL_OUT_4X:
01979 case ZOOM_LVL_OUT_8X:
01980 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01981 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01982
01983 FOR_ALL_WAYPOINTS(wp) {
01984 if (y >= wp->sign.top &&
01985 y < wp->sign.top + ScaleByZoom(12, vp->zoom) &&
01986 x >= wp->sign.left &&
01987 x < wp->sign.left + ScaleByZoom(wp->sign.width_2, vp->zoom)) {
01988 ShowWaypointWindow(wp);
01989 return true;
01990 }
01991 }
01992 break;
01993
01994 default: NOT_REACHED();
01995 }
01996
01997 return false;
01998 }
01999
02000
02001 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
02002 {
02003 Point pt = TranslateXYToTileCoord(vp, x, y);
02004
02005 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
02006 return true;
02007 }
02008
02009
02010 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
02011 {
02012 const Vehicle *v;
02013
02014 if (CheckClickOnTown(vp, x, y)) return true;
02015 if (CheckClickOnStation(vp, x, y)) return true;
02016 if (CheckClickOnSign(vp, x, y)) return true;
02017 if (CheckClickOnWaypoint(vp, x, y)) return true;
02018 CheckClickOnLandscape(vp, x, y);
02019
02020 v = CheckClickOnVehicle(vp, x, y);
02021 if (v != NULL) {
02022 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
02023 if (IsCompanyBuildableVehicleType(v)) ShowVehicleViewWindow(v->First());
02024 return true;
02025 }
02026 return CheckClickOnLandscape(vp, x, y);
02027 }
02028
02029 Vehicle *CheckMouseOverVehicle()
02030 {
02031 const Window *w;
02032 const ViewPort *vp;
02033
02034 int x = _cursor.pos.x;
02035 int y = _cursor.pos.y;
02036
02037 w = FindWindowFromPt(x, y);
02038 if (w == NULL) return NULL;
02039
02040 vp = IsPtInWindowViewport(w, x, y);
02041 return (vp != NULL) ? CheckClickOnVehicle(vp, x, y) : NULL;
02042 }
02043
02044
02045
02046 void PlaceObject()
02047 {
02048 Point pt;
02049 Window *w;
02050
02051 pt = GetTileBelowCursor();
02052 if (pt.x == -1) return;
02053
02054 if (_thd.place_mode == VHM_POINT) {
02055 pt.x += 8;
02056 pt.y += 8;
02057 }
02058
02059 _tile_fract_coords.x = pt.x & 0xF;
02060 _tile_fract_coords.y = pt.y & 0xF;
02061
02062 w = GetCallbackWnd();
02063 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
02064 }
02065
02066
02067
02068 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
02069 {
02070
02071 if (z == -1) z = GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
02072
02073 Point pt = MapXYZToViewport(w->viewport, x, y, z);
02074 w->viewport->follow_vehicle = INVALID_VEHICLE;
02075
02076 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y)
02077 return false;
02078
02079 if (instant) {
02080 w->viewport->scrollpos_x = pt.x;
02081 w->viewport->scrollpos_y = pt.y;
02082 }
02083
02084 w->viewport->dest_scrollpos_x = pt.x;
02085 w->viewport->dest_scrollpos_y = pt.y;
02086 return true;
02087 }
02088
02089 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
02090 {
02091 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
02092 }
02093
02094 void SetRedErrorSquare(TileIndex tile)
02095 {
02096 TileIndex old;
02097
02098 old = _thd.redsq;
02099 _thd.redsq = tile;
02100
02101 if (tile != old) {
02102 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
02103 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
02104 }
02105 }
02106
02107 void SetTileSelectSize(int w, int h)
02108 {
02109 _thd.new_size.x = w * TILE_SIZE;
02110 _thd.new_size.y = h * TILE_SIZE;
02111 _thd.new_outersize.x = 0;
02112 _thd.new_outersize.y = 0;
02113 }
02114
02115 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02116 {
02117 _thd.offs.x = ox * TILE_SIZE;
02118 _thd.offs.y = oy * TILE_SIZE;
02119 _thd.new_outersize.x = sx * TILE_SIZE;
02120 _thd.new_outersize.y = sy * TILE_SIZE;
02121 }
02122
02124 static HighLightStyle GetAutorailHT(int x, int y)
02125 {
02126 return HT_RAIL | _autorail_piece[x & 0xF][y & 0xF];
02127 }
02128
02136 void UpdateTileSelection()
02137 {
02138 int x1;
02139 int y1;
02140
02141 _thd.new_drawstyle = 0;
02142
02143 if (_thd.place_mode == VHM_SPECIAL) {
02144 x1 = _thd.selend.x;
02145 y1 = _thd.selend.y;
02146 if (x1 != -1) {
02147 int x2 = _thd.selstart.x & ~0xF;
02148 int y2 = _thd.selstart.y & ~0xF;
02149 x1 &= ~0xF;
02150 y1 &= ~0xF;
02151
02152 if (x1 >= x2) Swap(x1, x2);
02153 if (y1 >= y2) Swap(y1, y2);
02154 _thd.new_pos.x = x1;
02155 _thd.new_pos.y = y1;
02156 _thd.new_size.x = x2 - x1 + TILE_SIZE;
02157 _thd.new_size.y = y2 - y1 + TILE_SIZE;
02158 _thd.new_drawstyle = _thd.next_drawstyle;
02159 }
02160 } else if (_thd.place_mode != VHM_NONE) {
02161 Point pt = GetTileBelowCursor();
02162 x1 = pt.x;
02163 y1 = pt.y;
02164 if (x1 != -1) {
02165 switch (_thd.place_mode) {
02166 case VHM_RECT:
02167 _thd.new_drawstyle = HT_RECT;
02168 break;
02169 case VHM_POINT:
02170 _thd.new_drawstyle = HT_POINT;
02171 x1 += 8;
02172 y1 += 8;
02173 break;
02174 case VHM_RAIL:
02175 _thd.new_drawstyle = GetAutorailHT(pt.x, pt.y);
02176 break;
02177 default:
02178 NOT_REACHED();
02179 break;
02180 }
02181 _thd.new_pos.x = x1 & ~0xF;
02182 _thd.new_pos.y = y1 & ~0xF;
02183 }
02184 }
02185
02186
02187 if (_thd.drawstyle != _thd.new_drawstyle ||
02188 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02189 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02190 _thd.outersize.x != _thd.new_outersize.x ||
02191 _thd.outersize.y != _thd.new_outersize.y) {
02192
02193 if (_thd.drawstyle) SetSelectionTilesDirty();
02194
02195 _thd.drawstyle = _thd.new_drawstyle;
02196 _thd.pos = _thd.new_pos;
02197 _thd.size = _thd.new_size;
02198 _thd.outersize = _thd.new_outersize;
02199 _thd.dirty = 0xff;
02200
02201
02202 if (_thd.new_drawstyle) SetSelectionTilesDirty();
02203 }
02204 }
02205
02211 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[])
02212 {
02213 if (!_settings_client.gui.measure_tooltip) return;
02214 GuiShowTooltips(str, paramcount, params, true);
02215 }
02216
02218 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02219 {
02220 _thd.select_method = method;
02221 _thd.select_proc = process;
02222 _thd.selend.x = TileX(tile) * TILE_SIZE;
02223 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02224 _thd.selend.y = TileY(tile) * TILE_SIZE;
02225 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02226
02227
02228
02229
02230 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02231 _thd.selend.x += TILE_SIZE / 2;
02232 _thd.selend.y += TILE_SIZE / 2;
02233 _thd.selstart.x += TILE_SIZE / 2;
02234 _thd.selstart.y += TILE_SIZE / 2;
02235 }
02236
02237 if (_thd.place_mode == VHM_RECT) {
02238 _thd.place_mode = VHM_SPECIAL;
02239 _thd.next_drawstyle = HT_RECT;
02240 } else if (_thd.place_mode == VHM_RAIL) {
02241 _thd.place_mode = VHM_SPECIAL;
02242 _thd.next_drawstyle = _thd.drawstyle;
02243 } else {
02244 _thd.place_mode = VHM_SPECIAL;
02245 _thd.next_drawstyle = HT_POINT;
02246 }
02247 _special_mouse_mode = WSM_SIZING;
02248 }
02249
02250 void VpSetPlaceSizingLimit(int limit)
02251 {
02252 _thd.sizelimit = limit;
02253 }
02254
02259 void VpSetPresizeRange(TileIndex from, TileIndex to)
02260 {
02261 uint64 distance = DistanceManhattan(from, to) + 1;
02262
02263 _thd.selend.x = TileX(to) * TILE_SIZE;
02264 _thd.selend.y = TileY(to) * TILE_SIZE;
02265 _thd.selstart.x = TileX(from) * TILE_SIZE;
02266 _thd.selstart.y = TileY(from) * TILE_SIZE;
02267 _thd.next_drawstyle = HT_RECT;
02268
02269
02270 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance);
02271 }
02272
02273 static void VpStartPreSizing()
02274 {
02275 _thd.selend.x = -1;
02276 _special_mouse_mode = WSM_PRESIZE;
02277 }
02278
02281 static HighLightStyle Check2x1AutoRail(int mode)
02282 {
02283 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02284 int sxpy = (_thd.selend.x & 0xF) + (_thd.selend.y & 0xF);
02285 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02286 int sxmy = (_thd.selend.x & 0xF) - (_thd.selend.y & 0xF);
02287
02288 switch (mode) {
02289 default: NOT_REACHED();
02290 case 0:
02291 if (fxpy >= 20 && sxpy <= 12) { return HT_DIR_HL; }
02292 if (fxmy < -3 && sxmy > 3) {return HT_DIR_VR; }
02293 return HT_DIR_Y;
02294
02295 case 1:
02296 if (fxmy > 3 && sxmy < -3) { return HT_DIR_VL; }
02297 if (fxpy <= 12 && sxpy >= 20) { return HT_DIR_HU; }
02298 return HT_DIR_Y;
02299
02300 case 2:
02301 if (fxmy > 3 && sxmy < -3) { return HT_DIR_VL; }
02302 if (fxpy >= 20 && sxpy <= 12) { return HT_DIR_HL; }
02303 return HT_DIR_X;
02304
02305 case 3:
02306 if (fxmy < -3 && sxmy > 3) { return HT_DIR_VR; }
02307 if (fxpy <= 12 && sxpy >= 20) { return HT_DIR_HU; }
02308 return HT_DIR_X;
02309 }
02310 }
02311
02323 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02324 {
02325 uint start_x = TileX(start_tile);
02326 uint start_y = TileY(start_tile);
02327 uint end_x = TileX(end_tile);
02328 uint end_y = TileY(end_tile);
02329
02330 switch (style & HT_DRAG_MASK) {
02331 case HT_RAIL:
02332 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02333
02334 case HT_RECT:
02335 case HT_POINT: return (end_x != start_x && end_y < start_y);
02336 default: NOT_REACHED();
02337 }
02338
02339 return false;
02340 }
02341
02356 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02357 {
02358 bool swap = SwapDirection(style, start_tile, end_tile);
02359 byte style_t;
02360 uint h0, h1, ht;
02361
02362 if (start_tile == end_tile) return 0;
02363 if (swap) Swap(start_tile, end_tile);
02364
02365 switch (style & HT_DRAG_MASK) {
02366 case HT_RECT: {
02367 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02368 {1, 0}, {0, 0},
02369 {0, 1}, {1, 1}
02370 };
02371
02372
02373
02374 style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02375 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02376 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02377 }
02378
02379 case HT_POINT:
02380 h0 = TileHeight(start_tile);
02381 h1 = TileHeight(end_tile);
02382 break;
02383 default: {
02384 static const HighLightStyle flip_style_direction[] = {
02385 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02386 };
02387 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02388 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02389 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02390 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02391
02392 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02393 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02394 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02395 };
02396
02397 distance %= 2;
02398 style &= HT_DIR_MASK;
02399
02400
02401
02402
02403
02404 if (swap && distance == 0) style = flip_style_direction[style];
02405
02406
02407 style_t = style * 2;
02408 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02409 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02410 ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02411 h0 = max(h0, ht);
02412
02413
02414
02415 if (distance == 0) style_t = flip_style_direction[style] * 2;
02416 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02417 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02418 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02419 h1 = max(h1, ht);
02420 } break;
02421 }
02422
02423 if (swap) Swap(h0, h1);
02424
02425 return (int)(h1 - h0) * 50;
02426 }
02427
02428 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02429
02431 static void CalcRaildirsDrawstyle(TileHighlightData *thd, int x, int y, int method)
02432 {
02433 HighLightStyle b;
02434 uint w, h;
02435
02436 int dx = thd->selstart.x - (thd->selend.x & ~0xF);
02437 int dy = thd->selstart.y - (thd->selend.y & ~0xF);
02438 w = abs(dx) + 16;
02439 h = abs(dy) + 16;
02440
02441 if (TileVirtXY(thd->selstart.x, thd->selstart.y) == TileVirtXY(x, y)) {
02442 if (method == VPM_RAILDIRS) {
02443 b = GetAutorailHT(x, y);
02444 } else {
02445 b = HT_RECT;
02446 }
02447 } else if (h == 16) {
02448 if (dx == 16) {
02449 b = (Check2x1AutoRail(3)) | HT_LINE;
02450 } else if (dx == -16) {
02451 b = (Check2x1AutoRail(2)) | HT_LINE;
02452 } else {
02453 b = HT_LINE | HT_DIR_X;
02454 }
02455 y = thd->selstart.y;
02456 } else if (w == 16) {
02457 if (dy == 16) {
02458 b = (Check2x1AutoRail(1)) | HT_LINE;
02459 } else if (dy == -16) {
02460 b = (Check2x1AutoRail(0)) | HT_LINE;
02461 } else {
02462 b = HT_LINE | HT_DIR_Y;
02463 }
02464 x = thd->selstart.x;
02465 } else if (w > h * 2) {
02466 b = HT_LINE | HT_DIR_X;
02467 y = thd->selstart.y;
02468 } else if (h > w * 2) {
02469 b = HT_LINE | HT_DIR_Y;
02470 x = thd->selstart.x;
02471 } else {
02472 int d = w - h;
02473 thd->selend.x = thd->selend.x & ~0xF;
02474 thd->selend.y = thd->selend.y & ~0xF;
02475
02476
02477 if (x > thd->selstart.x) {
02478 if (y > thd->selstart.y) {
02479
02480 if (d == 0) {
02481 b = (x & 0xF) > (y & 0xF) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02482 } else if (d >= 0) {
02483 x = thd->selstart.x + h;
02484 b = HT_LINE | HT_DIR_VL;
02485
02486 } else {
02487 y = thd->selstart.y + w;
02488 b = HT_LINE | HT_DIR_VR;
02489 }
02490 } else {
02491
02492 if (d == 0) {
02493 b = (x & 0xF) + (y & 0xF) >= 0x10 ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02494 } else if (d >= 0) {
02495 x = thd->selstart.x + h;
02496 b = HT_LINE | HT_DIR_HL;
02497 } else {
02498 y = thd->selstart.y - w;
02499 b = HT_LINE | HT_DIR_HU;
02500 }
02501 }
02502 } else {
02503 if (y > thd->selstart.y) {
02504
02505 if (d == 0) {
02506 b = (x & 0xF) + (y & 0xF) >= 0x10 ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02507 } else if (d >= 0) {
02508 x = thd->selstart.x - h;
02509 b = HT_LINE | HT_DIR_HU;
02510
02511 } else {
02512 y = thd->selstart.y + w;
02513 b = HT_LINE | HT_DIR_HL;
02514 }
02515 } else {
02516
02517 if (d == 0) {
02518 b = (x & 0xF) > (y & 0xF) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02519 } else if (d >= 0) {
02520 x = thd->selstart.x - h;
02521 b = HT_LINE | HT_DIR_VR;
02522
02523 } else {
02524 y = thd->selstart.y - w;
02525 b = HT_LINE | HT_DIR_VL;
02526 }
02527 }
02528 }
02529 }
02530
02531 if (_settings_client.gui.measure_tooltip) {
02532 TileIndex t0 = TileVirtXY(thd->selstart.x, thd->selstart.y);
02533 TileIndex t1 = TileVirtXY(x, y);
02534 uint distance = DistanceManhattan(t0, t1) + 1;
02535 byte index = 0;
02536 uint64 params[2];
02537
02538 if (distance != 1) {
02539 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02540
02541
02542
02543 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02544 distance = (distance + 1) / 2;
02545 }
02546
02547 params[index++] = distance;
02548 if (heightdiff != 0) params[index++] = heightdiff;
02549 }
02550
02551 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02552 }
02553
02554 thd->selend.x = x;
02555 thd->selend.y = y;
02556 thd->next_drawstyle = b;
02557 }
02558
02565 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02566 {
02567 int sx, sy;
02568 HighLightStyle style;
02569
02570 if (x == -1) {
02571 _thd.selend.x = -1;
02572 return;
02573 }
02574
02575
02576 if (method == VPM_RAILDIRS || method == VPM_SIGNALDIRS) {
02577 _thd.selend.x = x;
02578 _thd.selend.y = y;
02579 CalcRaildirsDrawstyle(&_thd, x, y, method);
02580 return;
02581 }
02582
02583
02584 if (_thd.next_drawstyle == HT_POINT) {
02585 x += TILE_SIZE / 2;
02586 y += TILE_SIZE / 2;
02587 }
02588
02589 sx = _thd.selstart.x;
02590 sy = _thd.selstart.y;
02591
02592 switch (method) {
02593 case VPM_X_OR_Y:
02594 if (abs(sy - y) < abs(sx - x)) {
02595 y = sy;
02596 style = HT_DIR_X;
02597 } else {
02598 x = sx;
02599 style = HT_DIR_Y;
02600 }
02601 goto calc_heightdiff_single_direction;
02602 case VPM_FIX_X:
02603 x = sx;
02604 style = HT_DIR_Y;
02605 goto calc_heightdiff_single_direction;
02606 case VPM_FIX_Y:
02607 y = sy;
02608 style = HT_DIR_X;
02609
02610 calc_heightdiff_single_direction:;
02611 if (_settings_client.gui.measure_tooltip) {
02612 TileIndex t0 = TileVirtXY(sx, sy);
02613 TileIndex t1 = TileVirtXY(x, y);
02614 uint distance = DistanceManhattan(t0, t1) + 1;
02615 byte index = 0;
02616 uint64 params[2];
02617
02618 if (distance != 1) {
02619
02620
02621
02622
02623
02624 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02625
02626 params[index++] = distance;
02627 if (heightdiff != 0) params[index++] = heightdiff;
02628 }
02629
02630 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02631 } break;
02632
02633 case VPM_X_AND_Y_LIMITED: {
02634 int limit = (_thd.sizelimit - 1) * TILE_SIZE;
02635 x = sx + Clamp(x - sx, -limit, limit);
02636 y = sy + Clamp(y - sy, -limit, limit);
02637 }
02638 case VPM_X_AND_Y: {
02639 if (_settings_client.gui.measure_tooltip) {
02640 static const StringID measure_strings_area[] = {
02641 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02642 };
02643
02644 TileIndex t0 = TileVirtXY(sx, sy);
02645 TileIndex t1 = TileVirtXY(x, y);
02646 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02647 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02648 byte index = 0;
02649 uint64 params[3];
02650
02651
02652
02653 style = (HighLightStyle)_thd.next_drawstyle;
02654 if (style & HT_RECT) {
02655 if (dx == 1) {
02656 style = HT_LINE | HT_DIR_Y;
02657 } else if (dy == 1) {
02658 style = HT_LINE | HT_DIR_X;
02659 }
02660 }
02661
02662 if (dx != 1 || dy != 1) {
02663 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02664
02665 params[index++] = dx;
02666 params[index++] = dy;
02667 if (heightdiff != 0) params[index++] = heightdiff;
02668 }
02669
02670 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02671 }
02672 break;
02673
02674 }
02675 default: NOT_REACHED();
02676 }
02677
02678 _thd.selend.x = x;
02679 _thd.selend.y = y;
02680 }
02681
02686 bool VpHandlePlaceSizingDrag()
02687 {
02688 if (_special_mouse_mode != WSM_SIZING) return true;
02689
02690
02691 Window *w = FindWindowById(_thd.window_class, _thd.window_number);
02692 if (w == NULL) {
02693 ResetObjectToPlace();
02694 return false;
02695 }
02696
02697
02698 if (_left_button_down) {
02699 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02700 return false;
02701 }
02702
02703
02704
02705 _special_mouse_mode = WSM_NONE;
02706 if (_thd.next_drawstyle == HT_RECT) {
02707 _thd.place_mode = VHM_RECT;
02708 } else if (_thd.select_method == VPM_SIGNALDIRS) {
02709 _thd.place_mode = VHM_RECT;
02710 } else if (_thd.next_drawstyle & HT_LINE) {
02711 _thd.place_mode = VHM_RAIL;
02712 } else if (_thd.next_drawstyle & HT_RAIL) {
02713 _thd.place_mode = VHM_RAIL;
02714 } else {
02715 _thd.place_mode = VHM_POINT;
02716 }
02717 SetTileSelectSize(1, 1);
02718
02719 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02720
02721 return false;
02722 }
02723
02724 void SetObjectToPlaceWnd(CursorID icon, SpriteID pal, ViewportHighlightMode mode, Window *w)
02725 {
02726 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02727 }
02728
02729 #include "table/animcursors.h"
02730
02731 void SetObjectToPlace(CursorID icon, SpriteID pal, ViewportHighlightMode mode, WindowClass window_class, WindowNumber window_num)
02732 {
02733
02734 if (_thd.place_mode != VHM_NONE || _special_mouse_mode == WSM_DRAGDROP) {
02735 Window *w = FindWindowById(_thd.window_class, _thd.window_number);
02736 if (w != NULL) {
02737
02738
02739
02740
02741
02742 _thd.window_class = WC_INVALID;
02743 w->OnPlaceObjectAbort();
02744 }
02745 }
02746
02747 SetTileSelectSize(1, 1);
02748
02749 _thd.make_square_red = false;
02750
02751 if (mode == VHM_DRAG) {
02752 mode = VHM_NONE;
02753 _special_mouse_mode = WSM_DRAGDROP;
02754 } else {
02755 _special_mouse_mode = WSM_NONE;
02756 }
02757
02758 _thd.place_mode = mode;
02759 _thd.window_class = window_class;
02760 _thd.window_number = window_num;
02761
02762 if (mode == VHM_SPECIAL)
02763 VpStartPreSizing();
02764
02765 if ((int)icon < 0) {
02766 SetAnimatedMouseCursor(_animcursors[~icon]);
02767 } else {
02768 SetMouseCursor(icon, pal);
02769 }
02770
02771 }
02772
02773 void ResetObjectToPlace()
02774 {
02775 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, VHM_NONE, WC_MAIN_WINDOW, 0);
02776 }