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00029 #include "stdafx.h"
00030 #include "landscape.h"
00031 #include "viewport_func.h"
00032 #include "station_base.h"
00033 #include "waypoint_base.h"
00034 #include "town.h"
00035 #include "signs_base.h"
00036 #include "signs_func.h"
00037 #include "vehicle_base.h"
00038 #include "vehicle_gui.h"
00039 #include "blitter/factory.hpp"
00040 #include "strings_func.h"
00041 #include "zoom_func.h"
00042 #include "vehicle_func.h"
00043 #include "company_func.h"
00044 #include "waypoint_func.h"
00045 #include "window_func.h"
00046 #include "tilehighlight_func.h"
00047 #include "window_gui.h"
00048
00049 #include "table/strings.h"
00050
00051 Point _tile_fract_coords;
00052
00053 struct StringSpriteToDraw {
00054 StringID string;
00055 Colours colour;
00056 int32 x;
00057 int32 y;
00058 uint64 params[2];
00059 uint16 width;
00060 };
00061
00062 struct TileSpriteToDraw {
00063 SpriteID image;
00064 PaletteID pal;
00065 const SubSprite *sub;
00066 int32 x;
00067 int32 y;
00068 };
00069
00070 struct ChildScreenSpriteToDraw {
00071 SpriteID image;
00072 PaletteID pal;
00073 const SubSprite *sub;
00074 int32 x;
00075 int32 y;
00076 int next;
00077 };
00078
00080 struct ParentSpriteToDraw {
00081 SpriteID image;
00082 PaletteID pal;
00083 const SubSprite *sub;
00084
00085 int32 x;
00086 int32 y;
00087
00088 int32 left;
00089 int32 top;
00090
00091 int32 xmin;
00092 int32 xmax;
00093 int32 ymin;
00094 int32 ymax;
00095 int zmin;
00096 int zmax;
00097
00098 int first_child;
00099 bool comparison_done;
00100 };
00101
00103 enum FoundationPart {
00104 FOUNDATION_PART_NONE = 0xFF,
00105 FOUNDATION_PART_NORMAL = 0,
00106 FOUNDATION_PART_HALFTILE = 1,
00107 FOUNDATION_PART_END
00108 };
00109
00114 enum SpriteCombineMode {
00115 SPRITE_COMBINE_NONE,
00116 SPRITE_COMBINE_PENDING,
00117 SPRITE_COMBINE_ACTIVE,
00118 };
00119
00120 typedef SmallVector<TileSpriteToDraw, 64> TileSpriteToDrawVector;
00121 typedef SmallVector<StringSpriteToDraw, 4> StringSpriteToDrawVector;
00122 typedef SmallVector<ParentSpriteToDraw, 64> ParentSpriteToDrawVector;
00123 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
00124 typedef SmallVector<ChildScreenSpriteToDraw, 16> ChildScreenSpriteToDrawVector;
00125
00127 struct ViewportDrawer {
00128 DrawPixelInfo dpi;
00129
00130 StringSpriteToDrawVector string_sprites_to_draw;
00131 TileSpriteToDrawVector tile_sprites_to_draw;
00132 ParentSpriteToDrawVector parent_sprites_to_draw;
00133 ParentSpriteToSortVector parent_sprites_to_sort;
00134 ChildScreenSpriteToDrawVector child_screen_sprites_to_draw;
00135
00136 int *last_child;
00137
00138 SpriteCombineMode combine_sprites;
00139
00140 int foundation[FOUNDATION_PART_END];
00141 FoundationPart foundation_part;
00142 int *last_foundation_child[FOUNDATION_PART_END];
00143 Point foundation_offset[FOUNDATION_PART_END];
00144 };
00145
00146 static ViewportDrawer _vd;
00147
00148 TileHighlightData _thd;
00149 static TileInfo *_cur_ti;
00150 bool _draw_bounding_boxes = false;
00151
00152 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00153 {
00154 Point p = RemapCoords(x, y, z);
00155 p.x -= vp->virtual_width / 2;
00156 p.y -= vp->virtual_height / 2;
00157 return p;
00158 }
00159
00160 void DeleteWindowViewport(Window *w)
00161 {
00162 free(w->viewport);
00163 w->viewport = NULL;
00164 }
00165
00178 void InitializeWindowViewport(Window *w, int x, int y,
00179 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00180 {
00181 assert(w->viewport == NULL);
00182
00183 ViewportData *vp = CallocT<ViewportData>(1);
00184
00185 vp->left = x + w->left;
00186 vp->top = y + w->top;
00187 vp->width = width;
00188 vp->height = height;
00189
00190 vp->zoom = zoom;
00191
00192 vp->virtual_width = ScaleByZoom(width, zoom);
00193 vp->virtual_height = ScaleByZoom(height, zoom);
00194
00195 Point pt;
00196
00197 if (follow_flags & 0x80000000) {
00198 const Vehicle *veh;
00199
00200 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFFF);
00201 veh = Vehicle::Get(vp->follow_vehicle);
00202 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00203 } else {
00204 uint x = TileX(follow_flags) * TILE_SIZE;
00205 uint y = TileY(follow_flags) * TILE_SIZE;
00206
00207 vp->follow_vehicle = INVALID_VEHICLE;
00208 pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
00209 }
00210
00211 vp->scrollpos_x = pt.x;
00212 vp->scrollpos_y = pt.y;
00213 vp->dest_scrollpos_x = pt.x;
00214 vp->dest_scrollpos_y = pt.y;
00215
00216 w->viewport = vp;
00217 vp->virtual_left = 0;
00218 vp->virtual_top = 0;
00219 }
00220
00221 static Point _vp_move_offs;
00222
00223 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00224 {
00225 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00226 if (left + width > w->left &&
00227 w->left + w->width > left &&
00228 top + height > w->top &&
00229 w->top + w->height > top) {
00230
00231 if (left < w->left) {
00232 DoSetViewportPosition(w, left, top, w->left - left, height);
00233 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00234 return;
00235 }
00236
00237 if (left + width > w->left + w->width) {
00238 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00239 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00240 return;
00241 }
00242
00243 if (top < w->top) {
00244 DoSetViewportPosition(w, left, top, width, (w->top - top));
00245 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00246 return;
00247 }
00248
00249 if (top + height > w->top + w->height) {
00250 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00251 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00252 return;
00253 }
00254
00255 return;
00256 }
00257 }
00258
00259 {
00260 int xo = _vp_move_offs.x;
00261 int yo = _vp_move_offs.y;
00262
00263 if (abs(xo) >= width || abs(yo) >= height) {
00264
00265 RedrawScreenRect(left, top, left + width, top + height);
00266 return;
00267 }
00268
00269 GfxScroll(left, top, width, height, xo, yo);
00270
00271 if (xo > 0) {
00272 RedrawScreenRect(left, top, xo + left, top + height);
00273 left += xo;
00274 width -= xo;
00275 } else if (xo < 0) {
00276 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00277 width += xo;
00278 }
00279
00280 if (yo > 0) {
00281 RedrawScreenRect(left, top, width + left, top + yo);
00282 } else if (yo < 0) {
00283 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00284 }
00285 }
00286 }
00287
00288 static void SetViewportPosition(Window *w, int x, int y)
00289 {
00290 ViewPort *vp = w->viewport;
00291 int old_left = vp->virtual_left;
00292 int old_top = vp->virtual_top;
00293 int i;
00294 int left, top, width, height;
00295
00296 vp->virtual_left = x;
00297 vp->virtual_top = y;
00298
00299
00300
00301
00302 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00303 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00304 x = UnScaleByZoomLower(x, vp->zoom);
00305 y = UnScaleByZoomLower(y, vp->zoom);
00306
00307 old_left -= x;
00308 old_top -= y;
00309
00310 if (old_top == 0 && old_left == 0) return;
00311
00312 _vp_move_offs.x = old_left;
00313 _vp_move_offs.y = old_top;
00314
00315 left = vp->left;
00316 top = vp->top;
00317 width = vp->width;
00318 height = vp->height;
00319
00320 if (left < 0) {
00321 width += left;
00322 left = 0;
00323 }
00324
00325 i = left + width - _screen.width;
00326 if (i >= 0) width -= i;
00327
00328 if (width > 0) {
00329 if (top < 0) {
00330 height += top;
00331 top = 0;
00332 }
00333
00334 i = top + height - _screen.height;
00335 if (i >= 0) height -= i;
00336
00337 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00338 }
00339 }
00340
00349 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00350 {
00351 ViewPort *vp = w->viewport;
00352
00353 if (vp != NULL &&
00354 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00355 IsInsideMM(y, vp->top, vp->top + vp->height))
00356 return vp;
00357
00358 return NULL;
00359 }
00360
00368 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00369 {
00370 Point pt;
00371 int a, b;
00372 uint z;
00373
00374 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00375 (uint)(y -= vp->top) >= (uint)vp->height) {
00376 Point pt = {-1, -1};
00377 return pt;
00378 }
00379
00380 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> 2;
00381 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> 1;
00382
00383 a = y - x;
00384 b = y + x;
00385
00386
00387
00388
00389 a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00390 b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00391
00392
00393
00394
00395
00396
00397
00398
00399 z = 0;
00400
00401 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00402
00403 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;
00404 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;
00405 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;
00406
00407 pt.x = Clamp(a + (int)z, min_coord, MapMaxX() * TILE_SIZE - 1);
00408 pt.y = Clamp(b + (int)z, min_coord, MapMaxY() * TILE_SIZE - 1);
00409
00410 return pt;
00411 }
00412
00413
00414
00415
00416 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00417 {
00418 Window *w;
00419 ViewPort *vp;
00420 Point pt;
00421
00422 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00423 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00424 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00425
00426 pt.y = pt.x = -1;
00427 return pt;
00428 }
00429
00430 Point GetTileBelowCursor()
00431 {
00432 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00433 }
00434
00435
00436 Point GetTileZoomCenterWindow(bool in, Window * w)
00437 {
00438 int x, y;
00439 ViewPort *vp = w->viewport;
00440
00441 if (in) {
00442 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00443 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00444 } else {
00445 x = vp->width - (_cursor.pos.x - vp->left);
00446 y = vp->height - (_cursor.pos.y - vp->top);
00447 }
00448
00449 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00450 }
00451
00460 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00461 {
00462 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
00463 w->SetWidgetDirty(widget_zoom_in);
00464
00465 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
00466 w->SetWidgetDirty(widget_zoom_out);
00467 }
00468
00481 static void AddTileSpriteToDraw(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0)
00482 {
00483 assert((image & SPRITE_MASK) < MAX_SPRITES);
00484
00485 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00486 ts->image = image;
00487 ts->pal = pal;
00488 ts->sub = sub;
00489 Point pt = RemapCoords(x, y, z);
00490 ts->x = pt.x + extra_offs_x;
00491 ts->y = pt.y + extra_offs_y;
00492 }
00493
00506 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00507 {
00508 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00509 assert(_vd.foundation[foundation_part] != -1);
00510 Point offs = _vd.foundation_offset[foundation_part];
00511
00512
00513 int *old_child = _vd.last_child;
00514 _vd.last_child = _vd.last_foundation_child[foundation_part];
00515
00516 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
00517
00518
00519 _vd.last_child = old_child;
00520 }
00521
00535 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00536 {
00537
00538 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00539
00540 if (_vd.foundation[_vd.foundation_part] != -1) {
00541 Point pt = RemapCoords(x, y, z);
00542 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x, pt.y + extra_offs_y);
00543 } else {
00544 AddTileSpriteToDraw(image, pal, _cur_ti->x + x, _cur_ti->y + y, _cur_ti->z + z, sub, extra_offs_x, extra_offs_y);
00545 }
00546 }
00547
00558 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00559 {
00560 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00561 }
00562
00570 void OffsetGroundSprite(int x, int y)
00571 {
00572
00573 switch (_vd.foundation_part) {
00574 case FOUNDATION_PART_NONE:
00575 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00576 break;
00577 case FOUNDATION_PART_NORMAL:
00578 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00579 break;
00580 default: NOT_REACHED();
00581 }
00582
00583
00584 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00585
00586 _vd.foundation_offset[_vd.foundation_part].x = x;
00587 _vd.foundation_offset[_vd.foundation_part].y = y;
00588 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00589 }
00590
00602 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, byte z, const SubSprite *sub)
00603 {
00604 Point pt = RemapCoords(x, y, z);
00605 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00606
00607 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00608 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00609 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00610 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00611 return;
00612
00613 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00614 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub);
00615 }
00616
00642 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)
00643 {
00644 int32 left, right, top, bottom;
00645
00646 assert((image & SPRITE_MASK) < MAX_SPRITES);
00647
00648
00649 if (transparent) {
00650 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00651 pal = PALETTE_TO_TRANSPARENT;
00652 }
00653
00654 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00655 AddCombinedSprite(image, pal, x, y, z, sub);
00656 return;
00657 }
00658
00659 _vd.last_child = NULL;
00660
00661 Point pt = RemapCoords(x, y, z);
00662 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00663
00664
00665 if (image == SPR_EMPTY_BOUNDING_BOX) {
00666 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00667 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00668 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00669 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00670 } else {
00671 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00672 left = tmp_left = (pt.x += spr->x_offs);
00673 right = (pt.x + spr->width );
00674 top = tmp_top = (pt.y += spr->y_offs);
00675 bottom = (pt.y + spr->height);
00676 }
00677
00678 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00679
00680 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00681 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00682 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00683 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00684 }
00685
00686
00687 if (left >= _vd.dpi.left + _vd.dpi.width ||
00688 right <= _vd.dpi.left ||
00689 top >= _vd.dpi.top + _vd.dpi.height ||
00690 bottom <= _vd.dpi.top) {
00691 return;
00692 }
00693
00694 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00695 ps->x = tmp_x;
00696 ps->y = tmp_y;
00697
00698 ps->left = tmp_left;
00699 ps->top = tmp_top;
00700
00701 ps->image = image;
00702 ps->pal = pal;
00703 ps->sub = sub;
00704 ps->xmin = x + bb_offset_x;
00705 ps->xmax = x + max(bb_offset_x, w) - 1;
00706
00707 ps->ymin = y + bb_offset_y;
00708 ps->ymax = y + max(bb_offset_y, h) - 1;
00709
00710 ps->zmin = z + bb_offset_z;
00711 ps->zmax = z + max(bb_offset_z, dz) - 1;
00712
00713 ps->comparison_done = false;
00714 ps->first_child = -1;
00715
00716 _vd.last_child = &ps->first_child;
00717
00718 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00719 }
00720
00739 void StartSpriteCombine()
00740 {
00741 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00742 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00743 }
00744
00749 void EndSpriteCombine()
00750 {
00751 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00752 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00753 }
00754
00764 static bool IsInRangeInclusive(int begin, int end, int check)
00765 {
00766 if (begin > end) Swap(begin, end);
00767 return begin <= check && check <= end;
00768 }
00769
00776 bool IsInsideRotatedRectangle(int x, int y)
00777 {
00778 int dist_a = (_thd.size.x + _thd.size.y);
00779 int dist_b = (_thd.size.x - _thd.size.y);
00780 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00781 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00782
00783
00784 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00785 }
00786
00797 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub)
00798 {
00799 assert((image & SPRITE_MASK) < MAX_SPRITES);
00800
00801
00802 if (_vd.last_child == NULL) return;
00803
00804
00805 if (transparent) {
00806 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00807 pal = PALETTE_TO_TRANSPARENT;
00808 }
00809
00810 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00811
00812 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00813 cs->image = image;
00814 cs->pal = pal;
00815 cs->sub = sub;
00816 cs->x = x;
00817 cs->y = y;
00818 cs->next = -1;
00819
00820
00821
00822
00823 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00824 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00825 _vd.last_child = &cs->next;
00826 }
00827
00828 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00829 {
00830 assert(width != 0);
00831 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00832 ss->string = string;
00833 ss->x = x;
00834 ss->y = y;
00835 ss->params[0] = params_1;
00836 ss->params[1] = params_2;
00837 ss->width = width;
00838 ss->colour = colour;
00839 }
00840
00841
00853 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00854 {
00855
00856 if (_vd.foundation[foundation_part] == -1) {
00857
00858 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00859 } else {
00860
00861 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
00862 }
00863 }
00864
00871 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00872 {
00873 if (!IsValidTile(ti->tile)) return;
00874
00875 SpriteID sel;
00876 if (IsHalftileSlope(ti->tileh)) {
00877 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00878 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00879 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00880
00881 Corner opposite_corner = OppositeCorner(halftile_corner);
00882 if (IsSteepSlope(ti->tileh)) {
00883 sel = SPR_HALFTILE_SELECTION_DOWN;
00884 } else {
00885 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00886 }
00887 sel += opposite_corner;
00888 } else {
00889 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00890 }
00891 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00892 }
00893
00894 static bool IsPartOfAutoLine(int px, int py)
00895 {
00896 px -= _thd.selstart.x;
00897 py -= _thd.selstart.y;
00898
00899 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_LINE) return false;
00900
00901 switch (_thd.drawstyle & HT_DIR_MASK) {
00902 case HT_DIR_X: return py == 0;
00903 case HT_DIR_Y: return px == 0;
00904 case HT_DIR_HU: return px == -py || px == -py - 16;
00905 case HT_DIR_HL: return px == -py || px == -py + 16;
00906 case HT_DIR_VL: return px == py || px == py + 16;
00907 case HT_DIR_VR: return px == py || px == py - 16;
00908 default:
00909 NOT_REACHED();
00910 }
00911 }
00912
00913
00914 static const HighLightStyle _autorail_type[6][2] = {
00915 { HT_DIR_X, HT_DIR_X },
00916 { HT_DIR_Y, HT_DIR_Y },
00917 { HT_DIR_HU, HT_DIR_HL },
00918 { HT_DIR_HL, HT_DIR_HU },
00919 { HT_DIR_VL, HT_DIR_VR },
00920 { HT_DIR_VR, HT_DIR_VL }
00921 };
00922
00923 #include "table/autorail.h"
00924
00931 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00932 {
00933 SpriteID image;
00934 PaletteID pal;
00935 int offset;
00936
00937 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00938 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00939 if (IsHalftileSlope(ti->tileh)) {
00940 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00941 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00942 if (autorail_type != _lower_rail[halftile_corner]) {
00943 foundation_part = FOUNDATION_PART_HALFTILE;
00944
00945 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00946 }
00947 }
00948
00949 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00950 if (offset >= 0) {
00951 image = SPR_AUTORAIL_BASE + offset;
00952 pal = PAL_NONE;
00953 } else {
00954 image = SPR_AUTORAIL_BASE - offset;
00955 pal = PALETTE_SEL_TILE_RED;
00956 }
00957
00958 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00959 }
00960
00965 static void DrawTileSelection(const TileInfo *ti)
00966 {
00967
00968 bool is_redsq = _thd.redsq == ti->tile;
00969 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00970
00971
00972 if ((_thd.drawstyle & HT_DRAG_MASK) == HT_NONE) return;
00973
00974 if (_thd.diagonal) {
00975 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) goto draw_inner;
00976 return;
00977 }
00978
00979
00980 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00981 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00982 draw_inner:
00983 if (_thd.drawstyle & HT_RECT) {
00984 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00985 } else if (_thd.drawstyle & HT_POINT) {
00986
00987 byte z = 0;
00988 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00989 if (ti->tileh & SLOPE_N) {
00990 z += TILE_HEIGHT;
00991 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00992 }
00993 if (IsHalftileSlope(ti->tileh)) {
00994 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00995 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
00996 if (halftile_corner != CORNER_S) {
00997 foundation_part = FOUNDATION_PART_HALFTILE;
00998 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
00999 }
01000 }
01001 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01002 } else if (_thd.drawstyle & HT_RAIL) {
01003
01004 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01005 assert(type < HT_DIR_END);
01006 DrawAutorailSelection(ti, _autorail_type[type][0]);
01007 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01008
01009 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01010 uint side;
01011
01012 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01013 side = 0;
01014 } else {
01015 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01016 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01017 }
01018
01019 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01020 }
01021 return;
01022 }
01023
01024
01025 if (!is_redsq && _thd.outersize.x > 0 &&
01026 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01027 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01028
01029 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01030 return;
01031 }
01032 }
01033
01034 static void ViewportAddLandscape()
01035 {
01036 int x, y, width, height;
01037 TileInfo ti;
01038 bool direction;
01039
01040 _cur_ti = &ti;
01041
01042
01043 x = ((_vd.dpi.top >> 1) - (_vd.dpi.left >> 2)) & ~TILE_UNIT_MASK;
01044 y = ((_vd.dpi.top >> 1) + (_vd.dpi.left >> 2) - TILE_SIZE) & ~TILE_UNIT_MASK;
01045
01046
01047 {
01048 Point pt = RemapCoords(x, y, 241);
01049 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 95) >> 6;
01050 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> 5 << 1;
01051 }
01052
01053 assert(width > 0);
01054 assert(height > 0);
01055
01056 direction = false;
01057
01058 do {
01059 int width_cur = width;
01060 uint x_cur = x;
01061 uint y_cur = y;
01062
01063 do {
01064 TileType tt = MP_VOID;
01065
01066 ti.x = x_cur;
01067 ti.y = y_cur;
01068
01069 ti.z = 0;
01070
01071 ti.tileh = SLOPE_FLAT;
01072 ti.tile = INVALID_TILE;
01073
01074 if (x_cur < MapMaxX() * TILE_SIZE &&
01075 y_cur < MapMaxY() * TILE_SIZE) {
01076 TileIndex tile = TileVirtXY(x_cur, y_cur);
01077
01078 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01079 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01080 uint maxh = max<uint>(TileHeight(tile), 1);
01081 for (uint h = 0; h < maxh; h++) {
01082 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01083 }
01084 }
01085
01086 ti.tile = tile;
01087 ti.tileh = GetTileSlope(tile, &ti.z);
01088 tt = GetTileType(tile);
01089 }
01090 }
01091
01092 _vd.foundation_part = FOUNDATION_PART_NONE;
01093 _vd.foundation[0] = -1;
01094 _vd.foundation[1] = -1;
01095 _vd.last_foundation_child[0] = NULL;
01096 _vd.last_foundation_child[1] = NULL;
01097
01098 _tile_type_procs[tt]->draw_tile_proc(&ti);
01099
01100 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01101 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01102 TileIndex tile = TileVirtXY(x_cur, y_cur);
01103 ti.tile = tile;
01104 ti.tileh = GetTileSlope(tile, &ti.z);
01105 tt = GetTileType(tile);
01106 }
01107 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01108
01109 y_cur += 0x10;
01110 x_cur -= 0x10;
01111 } while (--width_cur);
01112
01113 if ((direction ^= 1) != 0) {
01114 y += 0x10;
01115 } else {
01116 x += 0x10;
01117 }
01118 } while (--height);
01119 }
01120
01131 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)
01132 {
01133 bool small = dpi->zoom >= small_from;
01134
01135 int left = dpi->left;
01136 int top = dpi->top;
01137 int right = left + dpi->width;
01138 int bottom = top + dpi->height;
01139
01140 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01141 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01142
01143 if (bottom < sign->top ||
01144 top > sign->top + sign_height ||
01145 right < sign->center - sign_half_width ||
01146 left > sign->center + sign_half_width) {
01147 return;
01148 }
01149
01150 if (!small) {
01151 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01152 } else {
01153 int shadow_offset = 0;
01154 if (string_small_shadow != STR_NULL) {
01155 shadow_offset = 4;
01156 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01157 }
01158 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01159 colour, sign->width_small | 0x8000);
01160 }
01161 }
01162
01163 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01164 {
01165 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01166
01167 const Town *t;
01168 FOR_ALL_TOWNS(t) {
01169 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &t->sign,
01170 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01171 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01172 t->index, t->population);
01173 }
01174 }
01175
01176
01177 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01178 {
01179 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01180
01181 const BaseStation *st;
01182 FOR_ALL_BASE_STATIONS(st) {
01183
01184 bool is_station = Station::IsExpected(st);
01185
01186
01187 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01188
01189 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &st->sign,
01190 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01191 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01192 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01193 }
01194 }
01195
01196
01197 static void ViewportAddSigns(DrawPixelInfo *dpi)
01198 {
01199
01200 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01201
01202 const Sign *si;
01203 FOR_ALL_SIGNS(si) {
01204 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &si->sign,
01205 STR_WHITE_SIGN,
01206 IsTransparencySet(TO_SIGNS) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01207 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : _company_colours[si->owner]);
01208 }
01209 }
01210
01217 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01218 {
01219 if (this->width_normal != 0) this->MarkDirty();
01220
01221 this->top = top;
01222
01223 char buffer[DRAW_STRING_BUFFER];
01224
01225 GetString(buffer, str, lastof(buffer));
01226 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01227 this->center = center;
01228
01229
01230 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01231
01232 this->MarkDirty();
01233 }
01234
01240 void ViewportSign::MarkDirty() const
01241 {
01242
01243
01244
01245
01246 MarkAllViewportsDirty(
01247 this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01248 this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
01249 this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01250 this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
01251 }
01252
01253 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01254 {
01255 const TileSpriteToDraw *tsend = tstdv->End();
01256 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01257 DrawSprite(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01258 }
01259 }
01260
01262 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01263 {
01264 ParentSpriteToDraw **psdvend = psdv->End();
01265 ParentSpriteToDraw **psd = psdv->Begin();
01266 while (psd != psdvend) {
01267 ParentSpriteToDraw *ps = *psd;
01268
01269 if (ps->comparison_done) {
01270 psd++;
01271 continue;
01272 }
01273
01274 ps->comparison_done = true;
01275
01276 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01277 ParentSpriteToDraw *ps2 = *psd2;
01278
01279 if (ps2->comparison_done) continue;
01280
01281
01282
01283
01284 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01285 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01286 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01287
01288
01289
01290
01291
01292
01293 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01294 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01295 continue;
01296 }
01297 } else {
01298
01299
01300
01301
01302 if (ps->xmax < ps2->xmin ||
01303 ps->ymax < ps2->ymin ||
01304 ps->zmax < ps2->zmin) {
01305 continue;
01306 }
01307 }
01308
01309
01310 ParentSpriteToDraw *temp = ps2;
01311 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01312 *psd3 = *(psd3 - 1);
01313 }
01314 *psd = temp;
01315 }
01316 }
01317 }
01318
01319 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01320 {
01321 const ParentSpriteToDraw * const *psd_end = psd->End();
01322 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01323 const ParentSpriteToDraw *ps = *it;
01324 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01325
01326 int child_idx = ps->first_child;
01327 while (child_idx >= 0) {
01328 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01329 child_idx = cs->next;
01330 DrawSprite(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01331 }
01332 }
01333 }
01334
01339 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01340 {
01341 const ParentSpriteToDraw * const *psd_end = psd->End();
01342 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01343 const ParentSpriteToDraw *ps = *it;
01344 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01345 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01346 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01347 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01348
01349 DrawBox( pt1.x, pt1.y,
01350 pt2.x - pt1.x, pt2.y - pt1.y,
01351 pt3.x - pt1.x, pt3.y - pt1.y,
01352 pt4.x - pt1.x, pt4.y - pt1.y);
01353 }
01354 }
01355
01356 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01357 {
01358 DrawPixelInfo dp;
01359 ZoomLevel zoom;
01360
01361 _cur_dpi = &dp;
01362 dp = *dpi;
01363
01364 zoom = dp.zoom;
01365 dp.zoom = ZOOM_LVL_NORMAL;
01366
01367 dp.left = UnScaleByZoom(dp.left, zoom);
01368 dp.top = UnScaleByZoom(dp.top, zoom);
01369 dp.width = UnScaleByZoom(dp.width, zoom);
01370 dp.height = UnScaleByZoom(dp.height, zoom);
01371
01372 const StringSpriteToDraw *ssend = sstdv->End();
01373 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01374 TextColour colour = TC_BLACK;
01375 bool small = HasBit(ss->width, 15);
01376 int w = GB(ss->width, 0, 15);
01377 int x = UnScaleByZoom(ss->x, zoom);
01378 int y = UnScaleByZoom(ss->y, zoom);
01379 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01380
01381 SetDParam(0, ss->params[0]);
01382 SetDParam(1, ss->params[1]);
01383
01384 if (ss->colour != INVALID_COLOUR) {
01385
01386 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01387
01388
01389
01390 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01391
01392
01393 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01394 }
01395
01396
01397
01398 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01399 DrawFrameRect(
01400 x, y, x + w, y + h, ss->colour,
01401 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01402 );
01403 }
01404 }
01405
01406 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01407 }
01408 }
01409
01410 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01411 {
01412 DrawPixelInfo *old_dpi = _cur_dpi;
01413 _cur_dpi = &_vd.dpi;
01414
01415 _vd.dpi.zoom = vp->zoom;
01416 int mask = ScaleByZoom(-1, vp->zoom);
01417
01418 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01419
01420 _vd.dpi.width = (right - left) & mask;
01421 _vd.dpi.height = (bottom - top) & mask;
01422 _vd.dpi.left = left & mask;
01423 _vd.dpi.top = top & mask;
01424 _vd.dpi.pitch = old_dpi->pitch;
01425 _vd.last_child = NULL;
01426
01427 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01428 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01429
01430 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01431
01432 ViewportAddLandscape();
01433 ViewportAddVehicles(&_vd.dpi);
01434
01435 ViewportAddTownNames(&_vd.dpi);
01436 ViewportAddStationNames(&_vd.dpi);
01437 ViewportAddSigns(&_vd.dpi);
01438
01439 DrawTextEffects(&_vd.dpi);
01440
01441 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01442
01443 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01444 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01445 *_vd.parent_sprites_to_sort.Append() = it;
01446 }
01447
01448 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01449 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01450
01451 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01452
01453 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01454
01455 _cur_dpi = old_dpi;
01456
01457 _vd.string_sprites_to_draw.Clear();
01458 _vd.tile_sprites_to_draw.Clear();
01459 _vd.parent_sprites_to_draw.Clear();
01460 _vd.parent_sprites_to_sort.Clear();
01461 _vd.child_screen_sprites_to_draw.Clear();
01462 }
01463
01468 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01469 {
01470 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000) {
01471 if ((bottom - top) > (right - left)) {
01472 int t = (top + bottom) >> 1;
01473 ViewportDrawChk(vp, left, top, right, t);
01474 ViewportDrawChk(vp, left, t, right, bottom);
01475 } else {
01476 int t = (left + right) >> 1;
01477 ViewportDrawChk(vp, left, top, t, bottom);
01478 ViewportDrawChk(vp, t, top, right, bottom);
01479 }
01480 } else {
01481 ViewportDoDraw(vp,
01482 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01483 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01484 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01485 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01486 );
01487 }
01488 }
01489
01490 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01491 {
01492 if (right <= vp->left || bottom <= vp->top) return;
01493
01494 if (left >= vp->left + vp->width) return;
01495
01496 if (left < vp->left) left = vp->left;
01497 if (right > vp->left + vp->width) right = vp->left + vp->width;
01498
01499 if (top >= vp->top + vp->height) return;
01500
01501 if (top < vp->top) top = vp->top;
01502 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01503
01504 ViewportDrawChk(vp, left, top, right, bottom);
01505 }
01506
01510 void Window::DrawViewport() const
01511 {
01512 DrawPixelInfo *dpi = _cur_dpi;
01513
01514 dpi->left += this->left;
01515 dpi->top += this->top;
01516
01517 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01518
01519 dpi->left -= this->left;
01520 dpi->top -= this->top;
01521 }
01522
01523 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01524 {
01525
01526 x += vp->virtual_width / 2;
01527 y += vp->virtual_height / 2;
01528
01529
01530
01531 int vx = -x + y * 2;
01532 int vy = x + y * 2;
01533
01534
01535 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4);
01536 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4);
01537
01538
01539 x = (-vx + vy) / 2;
01540 y = ( vx + vy) / 4;
01541
01542
01543 x -= vp->virtual_width / 2;
01544 y -= vp->virtual_height / 2;
01545 }
01546
01551 void UpdateViewportPosition(Window *w)
01552 {
01553 const ViewPort *vp = w->viewport;
01554
01555 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01556 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01557 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01558
01559 w->viewport->scrollpos_x = pt.x;
01560 w->viewport->scrollpos_y = pt.y;
01561 SetViewportPosition(w, pt.x, pt.y);
01562 } else {
01563
01564 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01565
01566 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01567 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01568
01569 if (delta_x != 0 || delta_y != 0) {
01570 if (_settings_client.gui.smooth_scroll) {
01571 int max_scroll = ScaleByMapSize1D(512);
01572
01573 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01574 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01575 } else {
01576 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01577 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01578 }
01579 }
01580
01581 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01582
01583 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01584 }
01585 }
01586
01596 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01597 {
01598 right -= vp->virtual_left;
01599 if (right <= 0) return;
01600
01601 bottom -= vp->virtual_top;
01602 if (bottom <= 0) return;
01603
01604 left = max(0, left - vp->virtual_left);
01605
01606 if (left >= vp->virtual_width) return;
01607
01608 top = max(0, top - vp->virtual_top);
01609
01610 if (top >= vp->virtual_height) return;
01611
01612 SetDirtyBlocks(
01613 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01614 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01615 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01616 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01617 );
01618 }
01619
01628 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01629 {
01630 Window *w;
01631 FOR_ALL_WINDOWS_FROM_BACK(w) {
01632 ViewPort *vp = w->viewport;
01633 if (vp != NULL) {
01634 assert(vp->width != 0);
01635 MarkViewportDirty(vp, left, top, right, bottom);
01636 }
01637 }
01638 }
01639
01645 void MarkTileDirtyByTile(TileIndex tile)
01646 {
01647 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
01648 MarkAllViewportsDirty(
01649 pt.x - 31,
01650 pt.y - 122,
01651 pt.x - 31 + 67,
01652 pt.y - 122 + 154
01653 );
01654 }
01655
01663 static void SetSelectionTilesDirty()
01664 {
01665 int x_size = _thd.size.x;
01666 int y_size = _thd.size.y;
01667
01668 if (!_thd.diagonal) {
01669 int x_start = _thd.pos.x;
01670 int y_start = _thd.pos.y;
01671
01672 if (_thd.outersize.x != 0) {
01673 x_size += _thd.outersize.x;
01674 x_start += _thd.offs.x;
01675 y_size += _thd.outersize.y;
01676 y_start += _thd.offs.y;
01677 }
01678
01679 x_size -= TILE_SIZE;
01680 y_size -= TILE_SIZE;
01681
01682 assert(x_size >= 0);
01683 assert(y_size >= 0);
01684
01685 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01686 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01687
01688 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01689 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01690
01691
01692 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01693
01694
01695
01696
01697
01698
01699
01700
01701
01702
01703
01704
01705
01706
01707
01708
01709
01710
01711
01712 int top_x = x_end;
01713 int top_y = y_start;
01714 int bot_x = top_x;
01715 int bot_y = top_y;
01716
01717 do {
01718
01719 TileIndex top_tile = TileVirtXY(top_x, top_y);
01720 Point top = RemapCoords(top_x, top_y, GetTileMaxZ(top_tile));
01721
01722
01723 TileIndex bottom_tile = TileVirtXY(bot_x, bot_y);
01724 Point bot = RemapCoords(bot_x + TILE_SIZE, bot_y + TILE_SIZE, GetTileZ(bottom_tile));
01725
01726
01727
01728
01729 int l = top.x - (TILE_PIXELS - 2);
01730 int t = top.y;
01731 int r = top.x + (TILE_PIXELS - 2);
01732 int b = bot.y;
01733
01734 static const int OVERLAY_WIDTH = 4;
01735
01736
01737 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH);
01738
01739
01740 if (top_x != x_start) {
01741 top_x -= TILE_SIZE;
01742 } else {
01743 top_y += TILE_SIZE;
01744 }
01745
01746
01747 if (bot_y != y_end) {
01748 bot_y += TILE_SIZE;
01749 } else {
01750 bot_x -= TILE_SIZE;
01751 }
01752 } while (bot_x >= top_x);
01753 } else {
01754
01755 int a_size = x_size + y_size, b_size = x_size - y_size;
01756
01757 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01758 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01759
01760 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01761 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01762 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01763 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01764
01765 if (x < MapMaxX() && y < MapMaxY()) {
01766 MarkTileDirtyByTile(TileXY(x, y));
01767 }
01768 }
01769 }
01770 }
01771 }
01772
01773
01774 void SetSelectionRed(bool b)
01775 {
01776 _thd.make_square_red = b;
01777 SetSelectionTilesDirty();
01778 }
01779
01788 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01789 {
01790 bool small = (vp->zoom >= ZOOM_LVL_OUT_4X);
01791 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01792 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01793
01794 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01795 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01796
01797 return y >= sign->top && y < sign->top + sign_height &&
01798 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01799 }
01800
01801 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01802 {
01803 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01804
01805 const Town *t;
01806 FOR_ALL_TOWNS(t) {
01807 if (CheckClickOnViewportSign(vp, x, y, &t->sign)) {
01808 ShowTownViewWindow(t->index);
01809 return true;
01810 }
01811 }
01812
01813 return false;
01814 }
01815
01816 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01817 {
01818 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01819
01820 const BaseStation *st;
01821 FOR_ALL_BASE_STATIONS(st) {
01822
01823 bool is_station = Station::IsExpected(st);
01824
01825
01826 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01827
01828 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01829 if (is_station) {
01830 ShowStationViewWindow(st->index);
01831 } else {
01832 ShowWaypointWindow(Waypoint::From(st));
01833 }
01834 return true;
01835 }
01836 }
01837
01838 return false;
01839 }
01840
01841
01842 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01843 {
01844
01845 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01846
01847 const Sign *si;
01848 FOR_ALL_SIGNS(si) {
01849 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01850 HandleClickOnSign(si);
01851 return true;
01852 }
01853 }
01854
01855 return false;
01856 }
01857
01858
01859 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01860 {
01861 Point pt = TranslateXYToTileCoord(vp, x, y);
01862
01863 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01864 return true;
01865 }
01866
01867 static void PlaceObject()
01868 {
01869 Point pt;
01870 Window *w;
01871
01872 pt = GetTileBelowCursor();
01873 if (pt.x == -1) return;
01874
01875 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01876 pt.x += 8;
01877 pt.y += 8;
01878 }
01879
01880 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01881 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01882
01883 w = _thd.GetCallbackWnd();
01884 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01885 }
01886
01887
01888 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01889 {
01890 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01891
01892 if (_thd.place_mode & HT_VEHICLE) {
01893 if (v != NULL && VehicleClicked(v)) return true;
01894 }
01895
01896
01897 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
01898 PlaceObject();
01899 return true;
01900 }
01901
01902 if (CheckClickOnTown(vp, x, y)) return true;
01903 if (CheckClickOnStation(vp, x, y)) return true;
01904 if (CheckClickOnSign(vp, x, y)) return true;
01905 bool result = CheckClickOnLandscape(vp, x, y);
01906
01907 if (v != NULL) {
01908 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01909 if (IsCompanyBuildableVehicleType(v)) {
01910 v = v->First();
01911 if (_ctrl_pressed && v->owner == _local_company) {
01912 StartStopVehicle(v, true);
01913 } else {
01914 ShowVehicleViewWindow(v);
01915 }
01916 }
01917 return true;
01918 }
01919 return result;
01920 }
01921
01922
01932 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
01933 {
01934
01935 if (z == -1) z = GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
01936
01937 Point pt = MapXYZToViewport(w->viewport, x, y, z);
01938 w->viewport->follow_vehicle = INVALID_VEHICLE;
01939
01940 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
01941
01942 if (instant) {
01943 w->viewport->scrollpos_x = pt.x;
01944 w->viewport->scrollpos_y = pt.y;
01945 }
01946
01947 w->viewport->dest_scrollpos_x = pt.x;
01948 w->viewport->dest_scrollpos_y = pt.y;
01949 return true;
01950 }
01951
01959 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
01960 {
01961 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
01962 }
01963
01970 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
01971 {
01972 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
01973 }
01974
01979 void SetRedErrorSquare(TileIndex tile)
01980 {
01981 TileIndex old;
01982
01983 old = _thd.redsq;
01984 _thd.redsq = tile;
01985
01986 if (tile != old) {
01987 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
01988 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
01989 }
01990 }
01991
01997 void SetTileSelectSize(int w, int h)
01998 {
01999 _thd.new_size.x = w * TILE_SIZE;
02000 _thd.new_size.y = h * TILE_SIZE;
02001 _thd.new_outersize.x = 0;
02002 _thd.new_outersize.y = 0;
02003 }
02004
02005 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02006 {
02007 _thd.offs.x = ox * TILE_SIZE;
02008 _thd.offs.y = oy * TILE_SIZE;
02009 _thd.new_outersize.x = sx * TILE_SIZE;
02010 _thd.new_outersize.y = sy * TILE_SIZE;
02011 }
02012
02014 static HighLightStyle GetAutorailHT(int x, int y)
02015 {
02016 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02017 }
02018
02022 void TileHighlightData::Reset()
02023 {
02024 this->pos.x = 0;
02025 this->pos.y = 0;
02026 this->new_pos.x = 0;
02027 this->new_pos.y = 0;
02028 }
02029
02034 bool TileHighlightData::IsDraggingDiagonal()
02035 {
02036 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02037 }
02038
02043 Window *TileHighlightData::GetCallbackWnd()
02044 {
02045 return FindWindowById(this->window_class, this->window_number);
02046 }
02047
02048
02049
02057 void UpdateTileSelection()
02058 {
02059 int x1;
02060 int y1;
02061
02062 HighLightStyle new_drawstyle = HT_NONE;
02063 bool new_diagonal = false;
02064
02065 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02066 x1 = _thd.selend.x;
02067 y1 = _thd.selend.y;
02068 if (x1 != -1) {
02069 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02070 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02071 x1 &= ~TILE_UNIT_MASK;
02072 y1 &= ~TILE_UNIT_MASK;
02073
02074 if (_thd.IsDraggingDiagonal()) {
02075 new_diagonal = true;
02076 } else {
02077 if (x1 >= x2) Swap(x1, x2);
02078 if (y1 >= y2) Swap(y1, y2);
02079 }
02080 _thd.new_pos.x = x1;
02081 _thd.new_pos.y = y1;
02082 _thd.new_size.x = x2 - x1;
02083 _thd.new_size.y = y2 - y1;
02084 if (!new_diagonal) {
02085 _thd.new_size.x += TILE_SIZE;
02086 _thd.new_size.y += TILE_SIZE;
02087 }
02088 new_drawstyle = _thd.next_drawstyle;
02089 }
02090 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02091 Point pt = GetTileBelowCursor();
02092 x1 = pt.x;
02093 y1 = pt.y;
02094 if (x1 != -1) {
02095 switch (_thd.place_mode & HT_DRAG_MASK) {
02096 case HT_RECT:
02097 new_drawstyle = HT_RECT;
02098 break;
02099 case HT_POINT:
02100 new_drawstyle = HT_POINT;
02101 x1 += TILE_SIZE / 2;
02102 y1 += TILE_SIZE / 2;
02103 break;
02104 case HT_RAIL:
02105
02106 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02107 break;
02108 case HT_LINE:
02109 switch (_thd.place_mode & HT_DIR_MASK) {
02110 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02111 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02112
02113 case HT_DIR_HU:
02114 case HT_DIR_HL:
02115 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02116 break;
02117
02118 case HT_DIR_VL:
02119 case HT_DIR_VR:
02120 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02121 break;
02122
02123 default: NOT_REACHED();
02124 }
02125 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02126 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02127 break;
02128 default:
02129 NOT_REACHED();
02130 break;
02131 }
02132 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02133 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02134 }
02135 }
02136
02137
02138 if (_thd.drawstyle != new_drawstyle ||
02139 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02140 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02141 _thd.outersize.x != _thd.new_outersize.x ||
02142 _thd.outersize.y != _thd.new_outersize.y ||
02143 _thd.diagonal != new_diagonal) {
02144
02145 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02146
02147 _thd.drawstyle = new_drawstyle;
02148 _thd.pos = _thd.new_pos;
02149 _thd.size = _thd.new_size;
02150 _thd.outersize = _thd.new_outersize;
02151 _thd.diagonal = new_diagonal;
02152 _thd.dirty = 0xff;
02153
02154
02155 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02156 }
02157 }
02158
02166 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02167 {
02168 if (!_settings_client.gui.measure_tooltip) return;
02169 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02170 }
02171
02173 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02174 {
02175 _thd.select_method = method;
02176 _thd.select_proc = process;
02177 _thd.selend.x = TileX(tile) * TILE_SIZE;
02178 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02179 _thd.selend.y = TileY(tile) * TILE_SIZE;
02180 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02181
02182
02183
02184
02185 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02186 _thd.selend.x += TILE_SIZE / 2;
02187 _thd.selend.y += TILE_SIZE / 2;
02188 _thd.selstart.x += TILE_SIZE / 2;
02189 _thd.selstart.y += TILE_SIZE / 2;
02190 }
02191
02192 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02193 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02194 _thd.place_mode = HT_SPECIAL | others;
02195 _thd.next_drawstyle = HT_RECT | others;
02196 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02197 _thd.place_mode = HT_SPECIAL | others;
02198 _thd.next_drawstyle = _thd.drawstyle | others;
02199 } else {
02200 _thd.place_mode = HT_SPECIAL | others;
02201 _thd.next_drawstyle = HT_POINT | others;
02202 }
02203 _special_mouse_mode = WSM_SIZING;
02204 }
02205
02206 void VpSetPlaceSizingLimit(int limit)
02207 {
02208 _thd.sizelimit = limit;
02209 }
02210
02216 void VpSetPresizeRange(TileIndex from, TileIndex to)
02217 {
02218 uint64 distance = DistanceManhattan(from, to) + 1;
02219
02220 _thd.selend.x = TileX(to) * TILE_SIZE;
02221 _thd.selend.y = TileY(to) * TILE_SIZE;
02222 _thd.selstart.x = TileX(from) * TILE_SIZE;
02223 _thd.selstart.y = TileY(from) * TILE_SIZE;
02224 _thd.next_drawstyle = HT_RECT;
02225
02226
02227 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02228 }
02229
02230 static void VpStartPreSizing()
02231 {
02232 _thd.selend.x = -1;
02233 _special_mouse_mode = WSM_PRESIZE;
02234 }
02235
02240 static HighLightStyle Check2x1AutoRail(int mode)
02241 {
02242 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02243 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02244 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02245 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02246
02247 switch (mode) {
02248 default: NOT_REACHED();
02249 case 0:
02250 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02251 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02252 return HT_DIR_Y;
02253
02254 case 1:
02255 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02256 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02257 return HT_DIR_Y;
02258
02259 case 2:
02260 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02261 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02262 return HT_DIR_X;
02263
02264 case 3:
02265 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02266 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02267 return HT_DIR_X;
02268 }
02269 }
02270
02284 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02285 {
02286 uint start_x = TileX(start_tile);
02287 uint start_y = TileY(start_tile);
02288 uint end_x = TileX(end_tile);
02289 uint end_y = TileY(end_tile);
02290
02291 switch (style & HT_DRAG_MASK) {
02292 case HT_RAIL:
02293 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02294
02295 case HT_RECT:
02296 case HT_POINT: return (end_x != start_x && end_y < start_y);
02297 default: NOT_REACHED();
02298 }
02299
02300 return false;
02301 }
02302
02318 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02319 {
02320 bool swap = SwapDirection(style, start_tile, end_tile);
02321 uint h0, h1;
02322
02323 if (start_tile == end_tile) return 0;
02324 if (swap) Swap(start_tile, end_tile);
02325
02326 switch (style & HT_DRAG_MASK) {
02327 case HT_RECT: {
02328 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02329 {1, 0}, {0, 0},
02330 {0, 1}, {1, 1}
02331 };
02332
02333
02334
02335 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02336 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02337 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02338
02339 }
02340
02341 case HT_POINT:
02342 h0 = TileHeight(start_tile);
02343 h1 = TileHeight(end_tile);
02344 break;
02345 default: {
02346 static const HighLightStyle flip_style_direction[] = {
02347 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02348 };
02349 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02350 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02351 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02352 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02353
02354 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02355 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02356 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02357 };
02358
02359 distance %= 2;
02360 style &= HT_DIR_MASK;
02361
02362
02363
02364
02365
02366 if (swap && distance == 0) style = flip_style_direction[style];
02367
02368
02369 byte style_t = style * 2;
02370 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02371 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02372 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02373 h0 = max(h0, ht);
02374
02375
02376
02377 if (distance == 0) style_t = flip_style_direction[style] * 2;
02378 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02379 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02380 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02381 h1 = max(h1, ht);
02382 break;
02383 }
02384 }
02385
02386 if (swap) Swap(h0, h1);
02387 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02388 }
02389
02390 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02391
02398 static void CheckUnderflow(int &test, int &other, int mult)
02399 {
02400 if (test >= 0) return;
02401
02402 other += mult * test;
02403 test = 0;
02404 }
02405
02413 static void CheckOverflow(int &test, int &other, int max, int mult)
02414 {
02415 if (test <= max) return;
02416
02417 other += mult * (test - max);
02418 test = max;
02419 }
02420
02422 static void CalcRaildirsDrawstyle(int x, int y, int method)
02423 {
02424 HighLightStyle b;
02425
02426 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02427 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02428 uint w = abs(dx) + TILE_SIZE;
02429 uint h = abs(dy) + TILE_SIZE;
02430
02431 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02432
02433 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02434 int raw_dx = _thd.selstart.x - _thd.selend.x;
02435 int raw_dy = _thd.selstart.y - _thd.selend.y;
02436 switch (method) {
02437 case VPM_FIX_X:
02438 b = HT_LINE | HT_DIR_Y;
02439 x = _thd.selstart.x;
02440 break;
02441
02442 case VPM_FIX_Y:
02443 b = HT_LINE | HT_DIR_X;
02444 y = _thd.selstart.y;
02445 break;
02446
02447 case VPM_FIX_HORIZONTAL:
02448 if (dx == -dy) {
02449
02450
02451 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02452 } else {
02453
02454
02455 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02456
02457
02458
02459
02460 int offset = (raw_dx - raw_dy) / 2;
02461 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02462 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02463
02464
02465 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02466 if (dx + dy >= (int)TILE_SIZE) {
02467 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02468 } else {
02469 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02470 }
02471 }
02472
02473
02474 CheckUnderflow(x, y, 1);
02475 CheckUnderflow(y, x, 1);
02476 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02477 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02478 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02479 }
02480 break;
02481
02482 case VPM_FIX_VERTICAL:
02483 if (dx == dy) {
02484
02485
02486 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02487 } else {
02488
02489
02490 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02491
02492
02493
02494
02495 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02496 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02497 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02498
02499
02500 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02501 if (dx - dy < 0) {
02502 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02503 } else {
02504 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02505 }
02506 }
02507
02508
02509 CheckUnderflow(x, y, -1);
02510 CheckUnderflow(y, x, -1);
02511 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02512 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02513 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02514 }
02515 break;
02516
02517 default:
02518 NOT_REACHED();
02519 }
02520 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02521 if (method & VPM_RAILDIRS) {
02522 b = GetAutorailHT(x, y);
02523 } else {
02524 b = HT_RECT;
02525 }
02526 } else if (h == TILE_SIZE) {
02527 if (dx == (int)TILE_SIZE) {
02528 b = (Check2x1AutoRail(3)) | HT_LINE;
02529 } else if (dx == -(int)TILE_SIZE) {
02530 b = (Check2x1AutoRail(2)) | HT_LINE;
02531 } else {
02532 b = HT_LINE | HT_DIR_X;
02533 }
02534 y = _thd.selstart.y;
02535 } else if (w == TILE_SIZE) {
02536 if (dy == (int)TILE_SIZE) {
02537 b = (Check2x1AutoRail(1)) | HT_LINE;
02538 } else if (dy == -(int)TILE_SIZE) {
02539 b = (Check2x1AutoRail(0)) | HT_LINE;
02540 } else {
02541 b = HT_LINE | HT_DIR_Y;
02542 }
02543 x = _thd.selstart.x;
02544 } else if (w > h * 2) {
02545 b = HT_LINE | HT_DIR_X;
02546 y = _thd.selstart.y;
02547 } else if (h > w * 2) {
02548 b = HT_LINE | HT_DIR_Y;
02549 x = _thd.selstart.x;
02550 } else {
02551 int d = w - h;
02552 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
02553 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
02554
02555
02556 if (x > _thd.selstart.x) {
02557 if (y > _thd.selstart.y) {
02558
02559 if (d == 0) {
02560 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02561 } else if (d >= 0) {
02562 x = _thd.selstart.x + h;
02563 b = HT_LINE | HT_DIR_VL;
02564 } else {
02565 y = _thd.selstart.y + w;
02566 b = HT_LINE | HT_DIR_VR;
02567 }
02568 } else {
02569
02570 if (d == 0) {
02571 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02572 } else if (d >= 0) {
02573 x = _thd.selstart.x + h;
02574 b = HT_LINE | HT_DIR_HL;
02575 } else {
02576 y = _thd.selstart.y - w;
02577 b = HT_LINE | HT_DIR_HU;
02578 }
02579 }
02580 } else {
02581 if (y > _thd.selstart.y) {
02582
02583 if (d == 0) {
02584 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02585 } else if (d >= 0) {
02586 x = _thd.selstart.x - h;
02587 b = HT_LINE | HT_DIR_HU;
02588 } else {
02589 y = _thd.selstart.y + w;
02590 b = HT_LINE | HT_DIR_HL;
02591 }
02592 } else {
02593
02594 if (d == 0) {
02595 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02596 } else if (d >= 0) {
02597 x = _thd.selstart.x - h;
02598 b = HT_LINE | HT_DIR_VR;
02599 } else {
02600 y = _thd.selstart.y - w;
02601 b = HT_LINE | HT_DIR_VL;
02602 }
02603 }
02604 }
02605 }
02606
02607 if (_settings_client.gui.measure_tooltip) {
02608 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02609 TileIndex t1 = TileVirtXY(x, y);
02610 uint distance = DistanceManhattan(t0, t1) + 1;
02611 byte index = 0;
02612 uint64 params[2];
02613
02614 if (distance != 1) {
02615 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02616
02617
02618
02619 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02620 distance = CeilDiv(distance, 2);
02621 }
02622
02623 params[index++] = distance;
02624 if (heightdiff != 0) params[index++] = heightdiff;
02625 }
02626
02627 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02628 }
02629
02630 _thd.selend.x = x;
02631 _thd.selend.y = y;
02632 _thd.next_drawstyle = b;
02633 }
02634
02642 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02643 {
02644 int sx, sy;
02645 HighLightStyle style;
02646
02647 if (x == -1) {
02648 _thd.selend.x = -1;
02649 return;
02650 }
02651
02652
02653 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02654 _thd.selend.x = x;
02655 _thd.selend.y = y;
02656 CalcRaildirsDrawstyle(x, y, method);
02657 return;
02658 }
02659
02660
02661 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02662 x += TILE_SIZE / 2;
02663 y += TILE_SIZE / 2;
02664 }
02665
02666 sx = _thd.selstart.x;
02667 sy = _thd.selstart.y;
02668
02669 int limit = 0;
02670
02671 switch (method) {
02672 case VPM_X_OR_Y:
02673 if (abs(sy - y) < abs(sx - x)) {
02674 y = sy;
02675 style = HT_DIR_X;
02676 } else {
02677 x = sx;
02678 style = HT_DIR_Y;
02679 }
02680 goto calc_heightdiff_single_direction;
02681
02682 case VPM_X_LIMITED:
02683 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02684
02685
02686 case VPM_FIX_X:
02687 x = sx;
02688 style = HT_DIR_Y;
02689 goto calc_heightdiff_single_direction;
02690
02691 case VPM_Y_LIMITED:
02692 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02693
02694
02695 case VPM_FIX_Y:
02696 y = sy;
02697 style = HT_DIR_X;
02698
02699 calc_heightdiff_single_direction:;
02700 if (limit > 0) {
02701 x = sx + Clamp(x - sx, -limit, limit);
02702 y = sy + Clamp(y - sy, -limit, limit);
02703 }
02704 if (_settings_client.gui.measure_tooltip) {
02705 TileIndex t0 = TileVirtXY(sx, sy);
02706 TileIndex t1 = TileVirtXY(x, y);
02707 uint distance = DistanceManhattan(t0, t1) + 1;
02708 byte index = 0;
02709 uint64 params[2];
02710
02711 if (distance != 1) {
02712
02713
02714
02715
02716
02717 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02718
02719 params[index++] = distance;
02720 if (heightdiff != 0) params[index++] = heightdiff;
02721 }
02722
02723 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02724 }
02725 break;
02726
02727 case VPM_X_AND_Y_LIMITED:
02728 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02729 x = sx + Clamp(x - sx, -limit, limit);
02730 y = sy + Clamp(y - sy, -limit, limit);
02731
02732
02733 case VPM_X_AND_Y:
02734 if (_settings_client.gui.measure_tooltip) {
02735 static const StringID measure_strings_area[] = {
02736 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02737 };
02738
02739 TileIndex t0 = TileVirtXY(sx, sy);
02740 TileIndex t1 = TileVirtXY(x, y);
02741 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02742 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02743 byte index = 0;
02744 uint64 params[3];
02745
02746
02747
02748 style = (HighLightStyle)_thd.next_drawstyle;
02749 if (_thd.IsDraggingDiagonal()) {
02750
02751
02752
02753
02754
02755
02756
02757
02758
02759
02760 int dist_x = TileX(t0) - TileX(t1);
02761 int dist_y = TileY(t0) - TileY(t1);
02762 int a_max = dist_x + dist_y;
02763 int b_max = dist_y - dist_x;
02764
02765
02766
02767 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02768 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02769
02770
02771
02772
02773
02774 if (a_max != 1 || b_max != 1) {
02775 dx = a_max;
02776 dy = b_max;
02777 }
02778 } else if (style & HT_RECT) {
02779 if (dx == 1) {
02780 style = HT_LINE | HT_DIR_Y;
02781 } else if (dy == 1) {
02782 style = HT_LINE | HT_DIR_X;
02783 }
02784 }
02785
02786 if (dx != 1 || dy != 1) {
02787 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02788
02789 params[index++] = dx - (style & HT_POINT ? 1 : 0);
02790 params[index++] = dy - (style & HT_POINT ? 1 : 0);
02791 if (heightdiff != 0) params[index++] = heightdiff;
02792 }
02793
02794 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02795 }
02796 break;
02797
02798 default: NOT_REACHED();
02799 }
02800
02801 _thd.selend.x = x;
02802 _thd.selend.y = y;
02803 }
02804
02809 EventState VpHandlePlaceSizingDrag()
02810 {
02811 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02812
02813
02814 Window *w = _thd.GetCallbackWnd();
02815 if (w == NULL) {
02816 ResetObjectToPlace();
02817 return ES_HANDLED;
02818 }
02819
02820
02821 if (_left_button_down) {
02822 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02823 return ES_HANDLED;
02824 }
02825
02826
02827
02828 _special_mouse_mode = WSM_NONE;
02829 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02830 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02831 _thd.place_mode = HT_RECT | others;
02832 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02833 _thd.place_mode = HT_RECT | others;
02834 } else if (_thd.select_method & VPM_RAILDIRS) {
02835 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02836 } else {
02837 _thd.place_mode = HT_POINT | others;
02838 }
02839 SetTileSelectSize(1, 1);
02840
02841 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02842
02843 return ES_HANDLED;
02844 }
02845
02846 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02847 {
02848 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02849 }
02850
02851 #include "table/animcursors.h"
02852
02853 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02854 {
02855 if (_thd.window_class != WC_INVALID) {
02856
02857 Window *w = _thd.GetCallbackWnd();
02858
02859
02860
02861
02862
02863 _thd.window_class = WC_INVALID;
02864 if (w != NULL) w->OnPlaceObjectAbort();
02865 }
02866
02867
02868 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02869
02870 SetTileSelectSize(1, 1);
02871
02872 _thd.make_square_red = false;
02873
02874 if (mode == HT_DRAG) {
02875 mode = HT_NONE;
02876 _special_mouse_mode = WSM_DRAGDROP;
02877 } else {
02878 _special_mouse_mode = WSM_NONE;
02879 }
02880
02881 _thd.place_mode = mode;
02882 _thd.window_class = window_class;
02883 _thd.window_number = window_num;
02884
02885 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
02886 VpStartPreSizing();
02887 }
02888
02889 if ((icon & ANIMCURSOR_FLAG) != 0) {
02890 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02891 } else {
02892 SetMouseCursor(icon, pal);
02893 }
02894
02895 }
02896
02897 void ResetObjectToPlace()
02898 {
02899 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02900 }