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00028 #include "stdafx.h"
00029 #include "landscape.h"
00030 #include "viewport_func.h"
00031 #include "station_base.h"
00032 #include "waypoint_base.h"
00033 #include "town.h"
00034 #include "signs_base.h"
00035 #include "signs_func.h"
00036 #include "variables.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/sprites.h"
00050 #include "table/strings.h"
00051
00052 PlaceProc *_place_proc;
00053 Point _tile_fract_coords;
00054
00055 struct StringSpriteToDraw {
00056 StringID string;
00057 Colours colour;
00058 int32 x;
00059 int32 y;
00060 uint64 params[2];
00061 uint16 width;
00062 };
00063
00064 struct TileSpriteToDraw {
00065 SpriteID image;
00066 PaletteID pal;
00067 const SubSprite *sub;
00068 int32 x;
00069 int32 y;
00070 };
00071
00072 struct ChildScreenSpriteToDraw {
00073 SpriteID image;
00074 PaletteID pal;
00075 const SubSprite *sub;
00076 int32 x;
00077 int32 y;
00078 int next;
00079 };
00080
00082 struct ParentSpriteToDraw {
00083 SpriteID image;
00084 PaletteID pal;
00085 const SubSprite *sub;
00086
00087 int32 x;
00088 int32 y;
00089
00090 int32 left;
00091 int32 top;
00092
00093 int32 xmin;
00094 int32 xmax;
00095 int32 ymin;
00096 int32 ymax;
00097 int zmin;
00098 int zmax;
00099
00100 int first_child;
00101 bool comparison_done;
00102 };
00103
00105 enum FoundationPart {
00106 FOUNDATION_PART_NONE = 0xFF,
00107 FOUNDATION_PART_NORMAL = 0,
00108 FOUNDATION_PART_HALFTILE = 1,
00109 FOUNDATION_PART_END
00110 };
00111
00115 enum SpriteCombineMode {
00116 SPRITE_COMBINE_NONE,
00117 SPRITE_COMBINE_PENDING,
00118 SPRITE_COMBINE_ACTIVE,
00119 };
00120
00121 typedef SmallVector<TileSpriteToDraw, 64> TileSpriteToDrawVector;
00122 typedef SmallVector<StringSpriteToDraw, 4> StringSpriteToDrawVector;
00123 typedef SmallVector<ParentSpriteToDraw, 64> ParentSpriteToDrawVector;
00124 typedef SmallVector<ParentSpriteToDraw*, 64> ParentSpriteToSortVector;
00125 typedef SmallVector<ChildScreenSpriteToDraw, 16> ChildScreenSpriteToDrawVector;
00126
00128 struct ViewportDrawer {
00129 DrawPixelInfo dpi;
00130
00131 StringSpriteToDrawVector string_sprites_to_draw;
00132 TileSpriteToDrawVector tile_sprites_to_draw;
00133 ParentSpriteToDrawVector parent_sprites_to_draw;
00134 ParentSpriteToSortVector parent_sprites_to_sort;
00135 ChildScreenSpriteToDrawVector child_screen_sprites_to_draw;
00136
00137 int *last_child;
00138
00139 SpriteCombineMode combine_sprites;
00140
00141 int foundation[FOUNDATION_PART_END];
00142 FoundationPart foundation_part;
00143 int *last_foundation_child[FOUNDATION_PART_END];
00144 Point foundation_offset[FOUNDATION_PART_END];
00145 };
00146
00147 static ViewportDrawer _vd;
00148
00149 TileHighlightData _thd;
00150 static TileInfo *_cur_ti;
00151 bool _draw_bounding_boxes = false;
00152
00153 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00154 {
00155 Point p = RemapCoords(x, y, z);
00156 p.x -= vp->virtual_width / 2;
00157 p.y -= vp->virtual_height / 2;
00158 return p;
00159 }
00160
00161 void DeleteWindowViewport(Window *w)
00162 {
00163 free(w->viewport);
00164 w->viewport = NULL;
00165 }
00166
00179 void InitializeWindowViewport(Window *w, int x, int y,
00180 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00181 {
00182 assert(w->viewport == NULL);
00183
00184 ViewportData *vp = CallocT<ViewportData>(1);
00185
00186 vp->left = x + w->left;
00187 vp->top = y + w->top;
00188 vp->width = width;
00189 vp->height = height;
00190
00191 vp->zoom = zoom;
00192
00193 vp->virtual_width = ScaleByZoom(width, zoom);
00194 vp->virtual_height = ScaleByZoom(height, zoom);
00195
00196 Point pt;
00197
00198 if (follow_flags & 0x80000000) {
00199 const Vehicle *veh;
00200
00201 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFF);
00202 veh = Vehicle::Get(vp->follow_vehicle);
00203 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00204 } else {
00205 uint x = TileX(follow_flags) * TILE_SIZE;
00206 uint y = TileY(follow_flags) * TILE_SIZE;
00207
00208 vp->follow_vehicle = INVALID_VEHICLE;
00209 pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
00210 }
00211
00212 vp->scrollpos_x = pt.x;
00213 vp->scrollpos_y = pt.y;
00214 vp->dest_scrollpos_x = pt.x;
00215 vp->dest_scrollpos_y = pt.y;
00216
00217 w->viewport = vp;
00218 vp->virtual_left = 0;
00219 vp->virtual_top = 0;
00220 }
00221
00222 static Point _vp_move_offs;
00223
00224 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00225 {
00226 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00227 if (left + width > w->left &&
00228 w->left + w->width > left &&
00229 top + height > w->top &&
00230 w->top + w->height > top) {
00231
00232 if (left < w->left) {
00233 DoSetViewportPosition(w, left, top, w->left - left, height);
00234 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00235 return;
00236 }
00237
00238 if (left + width > w->left + w->width) {
00239 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00240 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00241 return;
00242 }
00243
00244 if (top < w->top) {
00245 DoSetViewportPosition(w, left, top, width, (w->top - top));
00246 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00247 return;
00248 }
00249
00250 if (top + height > w->top + w->height) {
00251 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00252 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00253 return;
00254 }
00255
00256 return;
00257 }
00258 }
00259
00260 {
00261 int xo = _vp_move_offs.x;
00262 int yo = _vp_move_offs.y;
00263
00264 if (abs(xo) >= width || abs(yo) >= height) {
00265
00266 RedrawScreenRect(left, top, left + width, top + height);
00267 return;
00268 }
00269
00270 GfxScroll(left, top, width, height, xo, yo);
00271
00272 if (xo > 0) {
00273 RedrawScreenRect(left, top, xo + left, top + height);
00274 left += xo;
00275 width -= xo;
00276 } else if (xo < 0) {
00277 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00278 width += xo;
00279 }
00280
00281 if (yo > 0) {
00282 RedrawScreenRect(left, top, width + left, top + yo);
00283 } else if (yo < 0) {
00284 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00285 }
00286 }
00287 }
00288
00289 static void SetViewportPosition(Window *w, int x, int y)
00290 {
00291 ViewPort *vp = w->viewport;
00292 int old_left = vp->virtual_left;
00293 int old_top = vp->virtual_top;
00294 int i;
00295 int left, top, width, height;
00296
00297 vp->virtual_left = x;
00298 vp->virtual_top = y;
00299
00300
00301
00302
00303 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00304 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00305 x = UnScaleByZoomLower(x, vp->zoom);
00306 y = UnScaleByZoomLower(y, vp->zoom);
00307
00308 old_left -= x;
00309 old_top -= y;
00310
00311 if (old_top == 0 && old_left == 0) return;
00312
00313 _vp_move_offs.x = old_left;
00314 _vp_move_offs.y = old_top;
00315
00316 left = vp->left;
00317 top = vp->top;
00318 width = vp->width;
00319 height = vp->height;
00320
00321 if (left < 0) {
00322 width += left;
00323 left = 0;
00324 }
00325
00326 i = left + width - _screen.width;
00327 if (i >= 0) width -= i;
00328
00329 if (width > 0) {
00330 if (top < 0) {
00331 height += top;
00332 top = 0;
00333 }
00334
00335 i = top + height - _screen.height;
00336 if (i >= 0) height -= i;
00337
00338 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00339 }
00340 }
00341
00350 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00351 {
00352 ViewPort *vp = w->viewport;
00353
00354 if (vp != NULL &&
00355 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00356 IsInsideMM(y, vp->top, vp->top + vp->height))
00357 return vp;
00358
00359 return NULL;
00360 }
00361
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 * TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00390 b = Clamp(b, -4 * 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
00458 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00459 {
00460 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
00461 w->SetWidgetDirty(widget_zoom_in);
00462
00463 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
00464 w->SetWidgetDirty(widget_zoom_out);
00465 }
00466
00479 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)
00480 {
00481 assert((image & SPRITE_MASK) < MAX_SPRITES);
00482
00483 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00484 ts->image = image;
00485 ts->pal = pal;
00486 ts->sub = sub;
00487 Point pt = RemapCoords(x, y, z);
00488 ts->x = pt.x + extra_offs_x;
00489 ts->y = pt.y + extra_offs_y;
00490 }
00491
00504 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00505 {
00506 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00507 assert(_vd.foundation[foundation_part] != -1);
00508 Point offs = _vd.foundation_offset[foundation_part];
00509
00510
00511 int *old_child = _vd.last_child;
00512 _vd.last_child = _vd.last_foundation_child[foundation_part];
00513
00514 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
00515
00516
00517 _vd.last_child = old_child;
00518 }
00519
00533 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00534 {
00535
00536 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00537
00538 if (_vd.foundation[_vd.foundation_part] != -1) {
00539 Point pt = RemapCoords(x, y, z);
00540 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x, pt.y + extra_offs_y);
00541 } else {
00542 AddTileSpriteToDraw(image, pal, _cur_ti->x + x, _cur_ti->y + y, _cur_ti->z + z, sub, extra_offs_x, extra_offs_y);
00543 }
00544 }
00545
00556 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00557 {
00558 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00559 }
00560
00568 void OffsetGroundSprite(int x, int y)
00569 {
00570
00571 switch (_vd.foundation_part) {
00572 case FOUNDATION_PART_NONE:
00573 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00574 break;
00575 case FOUNDATION_PART_NORMAL:
00576 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00577 break;
00578 default: NOT_REACHED();
00579 }
00580
00581
00582 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00583
00584 _vd.foundation_offset[_vd.foundation_part].x = x;
00585 _vd.foundation_offset[_vd.foundation_part].y = y;
00586 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00587 }
00588
00600 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, byte z, const SubSprite *sub)
00601 {
00602 Point pt = RemapCoords(x, y, z);
00603 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00604
00605 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00606 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00607 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00608 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00609 return;
00610
00611 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00612 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub);
00613 }
00614
00639 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)
00640 {
00641 int32 left, right, top, bottom;
00642
00643 assert((image & SPRITE_MASK) < MAX_SPRITES);
00644
00645
00646 if (transparent) {
00647 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00648 pal = PALETTE_TO_TRANSPARENT;
00649 }
00650
00651 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00652 AddCombinedSprite(image, pal, x, y, z, sub);
00653 return;
00654 }
00655
00656 _vd.last_child = NULL;
00657
00658 Point pt = RemapCoords(x, y, z);
00659 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00660
00661
00662 if (image == SPR_EMPTY_BOUNDING_BOX) {
00663 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00664 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00665 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00666 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00667 } else {
00668 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00669 left = tmp_left = (pt.x += spr->x_offs);
00670 right = (pt.x + spr->width );
00671 top = tmp_top = (pt.y += spr->y_offs);
00672 bottom = (pt.y + spr->height);
00673 }
00674
00675 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00676
00677 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00678 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00679 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00680 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00681 }
00682
00683
00684 if (left >= _vd.dpi.left + _vd.dpi.width ||
00685 right <= _vd.dpi.left ||
00686 top >= _vd.dpi.top + _vd.dpi.height ||
00687 bottom <= _vd.dpi.top) {
00688 return;
00689 }
00690
00691 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00692 ps->x = tmp_x;
00693 ps->y = tmp_y;
00694
00695 ps->left = tmp_left;
00696 ps->top = tmp_top;
00697
00698 ps->image = image;
00699 ps->pal = pal;
00700 ps->sub = sub;
00701 ps->xmin = x + bb_offset_x;
00702 ps->xmax = x + max(bb_offset_x, w) - 1;
00703
00704 ps->ymin = y + bb_offset_y;
00705 ps->ymax = y + max(bb_offset_y, h) - 1;
00706
00707 ps->zmin = z + bb_offset_z;
00708 ps->zmax = z + max(bb_offset_z, dz) - 1;
00709
00710 ps->comparison_done = false;
00711 ps->first_child = -1;
00712
00713 _vd.last_child = &ps->first_child;
00714
00715 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00716 }
00717
00736 void StartSpriteCombine()
00737 {
00738 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00739 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00740 }
00741
00746 void EndSpriteCombine()
00747 {
00748 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00749 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00750 }
00751
00762 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub)
00763 {
00764 assert((image & SPRITE_MASK) < MAX_SPRITES);
00765
00766
00767 if (_vd.last_child == NULL) return;
00768
00769
00770 if (transparent) {
00771 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00772 pal = PALETTE_TO_TRANSPARENT;
00773 }
00774
00775 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00776
00777 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00778 cs->image = image;
00779 cs->pal = pal;
00780 cs->sub = sub;
00781 cs->x = x;
00782 cs->y = y;
00783 cs->next = -1;
00784
00785
00786
00787
00788 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00789 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00790 _vd.last_child = &cs->next;
00791 }
00792
00793 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00794 {
00795 assert(width != 0);
00796 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00797 ss->string = string;
00798 ss->x = x;
00799 ss->y = y;
00800 ss->params[0] = params_1;
00801 ss->params[1] = params_2;
00802 ss->width = width;
00803 ss->colour = colour;
00804 }
00805
00806
00818 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00819 {
00820
00821 if (_vd.foundation[foundation_part] == -1) {
00822
00823 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00824 } else {
00825
00826 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
00827 }
00828 }
00829
00836 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00837 {
00838 if (!IsValidTile(ti->tile)) return;
00839
00840 SpriteID sel;
00841 if (IsHalftileSlope(ti->tileh)) {
00842 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00843 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00844 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00845
00846 Corner opposite_corner = OppositeCorner(halftile_corner);
00847 if (IsSteepSlope(ti->tileh)) {
00848 sel = SPR_HALFTILE_SELECTION_DOWN;
00849 } else {
00850 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00851 }
00852 sel += opposite_corner;
00853 } else {
00854 sel = SPR_SELECT_TILE + _tileh_to_sprite[ti->tileh];
00855 }
00856 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00857 }
00858
00859 static bool IsPartOfAutoLine(int px, int py)
00860 {
00861 px -= _thd.selstart.x;
00862 py -= _thd.selstart.y;
00863
00864 if ((_thd.drawstyle & ~HT_DIR_MASK) != HT_LINE) return false;
00865
00866 switch (_thd.drawstyle & HT_DIR_MASK) {
00867 case HT_DIR_X: return py == 0;
00868 case HT_DIR_Y: return px == 0;
00869 case HT_DIR_HU: return px == -py || px == -py - 16;
00870 case HT_DIR_HL: return px == -py || px == -py + 16;
00871 case HT_DIR_VL: return px == py || px == py + 16;
00872 case HT_DIR_VR: return px == py || px == py - 16;
00873 default:
00874 NOT_REACHED();
00875 }
00876 }
00877
00878
00879 static const HighLightStyle _autorail_type[6][2] = {
00880 { HT_DIR_X, HT_DIR_X },
00881 { HT_DIR_Y, HT_DIR_Y },
00882 { HT_DIR_HU, HT_DIR_HL },
00883 { HT_DIR_HL, HT_DIR_HU },
00884 { HT_DIR_VL, HT_DIR_VR },
00885 { HT_DIR_VR, HT_DIR_VL }
00886 };
00887
00888 #include "table/autorail.h"
00889
00896 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00897 {
00898 SpriteID image;
00899 PaletteID pal;
00900 int offset;
00901
00902 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00903 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00904 if (IsHalftileSlope(ti->tileh)) {
00905 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00906 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00907 if (autorail_type != _lower_rail[halftile_corner]) {
00908 foundation_part = FOUNDATION_PART_HALFTILE;
00909
00910 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00911 }
00912 }
00913
00914 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00915 if (offset >= 0) {
00916 image = SPR_AUTORAIL_BASE + offset;
00917 pal = PAL_NONE;
00918 } else {
00919 image = SPR_AUTORAIL_BASE - offset;
00920 pal = PALETTE_SEL_TILE_RED;
00921 }
00922
00923 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00924 }
00925
00930 static void DrawTileSelection(const TileInfo *ti)
00931 {
00932
00933 bool is_redsq = _thd.redsq == ti->tile;
00934 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00935
00936
00937 if (_thd.drawstyle == 0) return;
00938
00939
00940 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00941 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00942 if (_thd.drawstyle & HT_RECT) {
00943 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00944 } else if (_thd.drawstyle & HT_POINT) {
00945
00946 byte z = 0;
00947 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00948 if (ti->tileh & SLOPE_N) {
00949 z += TILE_HEIGHT;
00950 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00951 }
00952 if (IsHalftileSlope(ti->tileh)) {
00953 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00954 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
00955 if (halftile_corner != CORNER_S) {
00956 foundation_part = FOUNDATION_PART_HALFTILE;
00957 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
00958 }
00959 }
00960 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
00961 } else if (_thd.drawstyle & HT_RAIL) {
00962
00963 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
00964 assert(type < HT_DIR_END);
00965 DrawAutorailSelection(ti, _autorail_type[type][0]);
00966 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
00967
00968 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
00969 uint side;
00970
00971 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
00972 side = 0;
00973 } else {
00974 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
00975 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
00976 }
00977
00978 DrawAutorailSelection(ti, _autorail_type[dir][side]);
00979 }
00980 return;
00981 }
00982
00983
00984 if (!is_redsq && _thd.outersize.x &&
00985 _thd.size.x < _thd.size.x + _thd.outersize.x &&
00986 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
00987 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
00988
00989 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
00990 return;
00991 }
00992 }
00993
00994 static void ViewportAddLandscape()
00995 {
00996 int x, y, width, height;
00997 TileInfo ti;
00998 bool direction;
00999
01000 _cur_ti = &ti;
01001
01002
01003 x = ((_vd.dpi.top >> 1) - (_vd.dpi.left >> 2)) & ~TILE_UNIT_MASK;
01004 y = ((_vd.dpi.top >> 1) + (_vd.dpi.left >> 2) - TILE_SIZE) & ~TILE_UNIT_MASK;
01005
01006
01007 {
01008 Point pt = RemapCoords(x, y, 241);
01009 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 95) >> 6;
01010 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> 5 << 1;
01011 }
01012
01013 assert(width > 0);
01014 assert(height > 0);
01015
01016 direction = false;
01017
01018 do {
01019 int width_cur = width;
01020 int x_cur = x;
01021 int y_cur = y;
01022
01023 do {
01024 TileType tt = MP_VOID;
01025
01026 ti.x = x_cur;
01027 ti.y = y_cur;
01028
01029 ti.z = 0;
01030
01031 ti.tileh = SLOPE_FLAT;
01032 ti.tile = INVALID_TILE;
01033
01034 if (0 <= x_cur && x_cur < (int)MapMaxX() * TILE_SIZE &&
01035 0 <= y_cur && y_cur < (int)MapMaxY() * TILE_SIZE) {
01036 TileIndex tile = TileVirtXY(x_cur, y_cur);
01037
01038 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01039 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01040 uint maxh = max<uint>(TileHeight(tile), 1);
01041 for (uint h = 0; h < maxh; h++) {
01042 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01043 }
01044 }
01045
01046 ti.tile = tile;
01047 ti.tileh = GetTileSlope(tile, &ti.z);
01048 tt = GetTileType(tile);
01049 }
01050 }
01051
01052 _vd.foundation_part = FOUNDATION_PART_NONE;
01053 _vd.foundation[0] = -1;
01054 _vd.foundation[1] = -1;
01055 _vd.last_foundation_child[0] = NULL;
01056 _vd.last_foundation_child[1] = NULL;
01057
01058 _tile_type_procs[tt]->draw_tile_proc(&ti);
01059
01060 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01061 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01062 TileIndex tile = TileVirtXY(x_cur, y_cur);
01063 ti.tile = tile;
01064 ti.tileh = GetTileSlope(tile, &ti.z);
01065 tt = GetTileType(tile);
01066 }
01067 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01068
01069 y_cur += 0x10;
01070 x_cur -= 0x10;
01071 } while (--width_cur);
01072
01073 if ((direction ^= 1) != 0) {
01074 y += 0x10;
01075 } else {
01076 x += 0x10;
01077 }
01078 } while (--height);
01079 }
01080
01091 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)
01092 {
01093 bool small = dpi->zoom >= small_from;
01094
01095 int left = dpi->left;
01096 int top = dpi->top;
01097 int right = left + dpi->width;
01098 int bottom = top + dpi->height;
01099
01100 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01101 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01102
01103 if (bottom < sign->top ||
01104 top > sign->top + sign_height ||
01105 right < sign->center - sign_half_width ||
01106 left > sign->center + sign_half_width) {
01107 return;
01108 }
01109
01110 if (!small) {
01111 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01112 } else {
01113 int shadow_offset = 0;
01114 if (string_small_shadow != STR_NULL) {
01115 shadow_offset = 4;
01116 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01117 }
01118 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01119 colour, sign->width_small | 0x8000);
01120 }
01121 }
01122
01123 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01124 {
01125 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01126
01127 const Town *t;
01128 FOR_ALL_TOWNS(t) {
01129 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &t->sign,
01130 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01131 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01132 t->index, t->population);
01133 }
01134 }
01135
01136
01137 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01138 {
01139 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01140
01141 const BaseStation *st;
01142 FOR_ALL_BASE_STATIONS(st) {
01143
01144 bool is_station = Station::IsExpected(st);
01145
01146
01147 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01148
01149 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &st->sign,
01150 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01151 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01152 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01153 }
01154 }
01155
01156
01157 static void ViewportAddSigns(DrawPixelInfo *dpi)
01158 {
01159
01160 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01161
01162 const Sign *si;
01163 FOR_ALL_SIGNS(si) {
01164 ViewportAddString(dpi, ZOOM_LVL_OUT_4X, &si->sign,
01165 STR_WHITE_SIGN,
01166 IsTransparencySet(TO_SIGNS) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01167 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : _company_colours[si->owner]);
01168 }
01169 }
01170
01177 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01178 {
01179 if (this->width_normal != 0) this->MarkDirty();
01180
01181 this->top = top;
01182
01183 char buffer[DRAW_STRING_BUFFER];
01184
01185 GetString(buffer, str, lastof(buffer));
01186 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01187 this->center = center;
01188
01189
01190 _cur_fontsize = FS_SMALL;
01191 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01192 _cur_fontsize = FS_NORMAL;
01193
01194 this->MarkDirty();
01195 }
01196
01202 void ViewportSign::MarkDirty() const
01203 {
01204
01205
01206
01207
01208 MarkAllViewportsDirty(
01209 this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01210 this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
01211 this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01212 this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
01213 }
01214
01215 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01216 {
01217 const TileSpriteToDraw *tsend = tstdv->End();
01218 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01219 DrawSprite(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01220 }
01221 }
01222
01224 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01225 {
01226 ParentSpriteToDraw **psdvend = psdv->End();
01227 ParentSpriteToDraw **psd = psdv->Begin();
01228 while (psd != psdvend) {
01229 ParentSpriteToDraw *ps = *psd;
01230
01231 if (ps->comparison_done) {
01232 psd++;
01233 continue;
01234 }
01235
01236 ps->comparison_done = true;
01237
01238 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01239 ParentSpriteToDraw *ps2 = *psd2;
01240
01241 if (ps2->comparison_done) continue;
01242
01243
01244
01245
01246 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01247 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01248 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01249
01250
01251
01252
01253
01254
01255 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01256 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01257 continue;
01258 }
01259 } else {
01260
01261
01262
01263
01264 if (ps->xmax < ps2->xmin ||
01265 ps->ymax < ps2->ymin ||
01266 ps->zmax < ps2->zmin) {
01267 continue;
01268 }
01269 }
01270
01271
01272 ParentSpriteToDraw *temp = ps2;
01273 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01274 *psd3 = *(psd3 - 1);
01275 }
01276 *psd = temp;
01277 }
01278 }
01279 }
01280
01281 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01282 {
01283 const ParentSpriteToDraw * const *psd_end = psd->End();
01284 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01285 const ParentSpriteToDraw *ps = *it;
01286 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01287
01288 int child_idx = ps->first_child;
01289 while (child_idx >= 0) {
01290 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01291 child_idx = cs->next;
01292 DrawSprite(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01293 }
01294 }
01295 }
01296
01301 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01302 {
01303 const ParentSpriteToDraw * const *psd_end = psd->End();
01304 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01305 const ParentSpriteToDraw *ps = *it;
01306 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01307 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01308 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01309 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01310
01311 DrawBox( pt1.x, pt1.y,
01312 pt2.x - pt1.x, pt2.y - pt1.y,
01313 pt3.x - pt1.x, pt3.y - pt1.y,
01314 pt4.x - pt1.x, pt4.y - pt1.y);
01315 }
01316 }
01317
01318 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01319 {
01320 DrawPixelInfo dp;
01321 ZoomLevel zoom;
01322
01323 _cur_dpi = &dp;
01324 dp = *dpi;
01325
01326 zoom = dp.zoom;
01327 dp.zoom = ZOOM_LVL_NORMAL;
01328
01329 dp.left = UnScaleByZoom(dp.left, zoom);
01330 dp.top = UnScaleByZoom(dp.top, zoom);
01331 dp.width = UnScaleByZoom(dp.width, zoom);
01332 dp.height = UnScaleByZoom(dp.height, zoom);
01333
01334 const StringSpriteToDraw *ssend = sstdv->End();
01335 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01336 TextColour colour = TC_BLACK;
01337 bool small = HasBit(ss->width, 15);
01338 int w = GB(ss->width, 0, 15);
01339 int x = UnScaleByZoom(ss->x, zoom);
01340 int y = UnScaleByZoom(ss->y, zoom);
01341 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01342
01343 SetDParam(0, ss->params[0]);
01344 SetDParam(1, ss->params[1]);
01345
01346 if (ss->colour != INVALID_COLOUR) {
01347
01348 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01349
01350
01351
01352 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01353
01354
01355 colour = (TextColour)_colour_gradient[ss->colour][6] | IS_PALETTE_COLOUR;
01356 }
01357
01358
01359
01360 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01361 DrawFrameRect(
01362 x, y, x + w, y + h, ss->colour,
01363 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01364 );
01365 }
01366 }
01367
01368 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_CENTER);
01369 }
01370 }
01371
01372 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01373 {
01374 DrawPixelInfo *old_dpi = _cur_dpi;
01375 _cur_dpi = &_vd.dpi;
01376
01377 _vd.dpi.zoom = vp->zoom;
01378 int mask = ScaleByZoom(-1, vp->zoom);
01379
01380 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01381
01382 _vd.dpi.width = (right - left) & mask;
01383 _vd.dpi.height = (bottom - top) & mask;
01384 _vd.dpi.left = left & mask;
01385 _vd.dpi.top = top & mask;
01386 _vd.dpi.pitch = old_dpi->pitch;
01387 _vd.last_child = NULL;
01388
01389 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01390 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01391
01392 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01393
01394 ViewportAddLandscape();
01395 ViewportAddVehicles(&_vd.dpi);
01396
01397 ViewportAddTownNames(&_vd.dpi);
01398 ViewportAddStationNames(&_vd.dpi);
01399 ViewportAddSigns(&_vd.dpi);
01400
01401 DrawTextEffects(&_vd.dpi);
01402
01403 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01404
01405 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01406 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01407 *_vd.parent_sprites_to_sort.Append() = it;
01408 }
01409
01410 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01411 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01412
01413 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01414
01415 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01416
01417 _cur_dpi = old_dpi;
01418
01419 _vd.string_sprites_to_draw.Clear();
01420 _vd.tile_sprites_to_draw.Clear();
01421 _vd.parent_sprites_to_draw.Clear();
01422 _vd.parent_sprites_to_sort.Clear();
01423 _vd.child_screen_sprites_to_draw.Clear();
01424 }
01425
01428 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01429 {
01430 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000) {
01431 if ((bottom - top) > (right - left)) {
01432 int t = (top + bottom) >> 1;
01433 ViewportDrawChk(vp, left, top, right, t);
01434 ViewportDrawChk(vp, left, t, right, bottom);
01435 } else {
01436 int t = (left + right) >> 1;
01437 ViewportDrawChk(vp, left, top, t, bottom);
01438 ViewportDrawChk(vp, t, top, right, bottom);
01439 }
01440 } else {
01441 ViewportDoDraw(vp,
01442 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01443 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01444 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01445 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01446 );
01447 }
01448 }
01449
01450 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01451 {
01452 if (right <= vp->left || bottom <= vp->top) return;
01453
01454 if (left >= vp->left + vp->width) return;
01455
01456 if (left < vp->left) left = vp->left;
01457 if (right > vp->left + vp->width) right = vp->left + vp->width;
01458
01459 if (top >= vp->top + vp->height) return;
01460
01461 if (top < vp->top) top = vp->top;
01462 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01463
01464 ViewportDrawChk(vp, left, top, right, bottom);
01465 }
01466
01470 void Window::DrawViewport() const
01471 {
01472 DrawPixelInfo *dpi = _cur_dpi;
01473
01474 dpi->left += this->left;
01475 dpi->top += this->top;
01476
01477 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01478
01479 dpi->left -= this->left;
01480 dpi->top -= this->top;
01481 }
01482
01483 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01484 {
01485
01486 x += vp->virtual_width / 2;
01487 y += vp->virtual_height / 2;
01488
01489
01490
01491 int vx = -x + y * 2;
01492 int vy = x + y * 2;
01493
01494
01495 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4);
01496 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4);
01497
01498
01499 x = (-vx + vy) / 2;
01500 y = ( vx + vy) / 4;
01501
01502
01503 x -= vp->virtual_width / 2;
01504 y -= vp->virtual_height / 2;
01505 }
01506
01511 void UpdateViewportPosition(Window *w)
01512 {
01513 const ViewPort *vp = w->viewport;
01514
01515 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01516 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01517 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01518
01519 w->viewport->scrollpos_x = pt.x;
01520 w->viewport->scrollpos_y = pt.y;
01521 SetViewportPosition(w, pt.x, pt.y);
01522 } else {
01523
01524 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01525
01526 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01527 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01528
01529 if (delta_x != 0 || delta_y != 0) {
01530 if (_settings_client.gui.smooth_scroll) {
01531 int max_scroll = ScaleByMapSize1D(512);
01532
01533 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01534 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01535 } else {
01536 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01537 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01538 }
01539 }
01540
01541 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01542
01543 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01544 }
01545 }
01546
01556 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01557 {
01558 right -= vp->virtual_left;
01559 if (right <= 0) return;
01560
01561 bottom -= vp->virtual_top;
01562 if (bottom <= 0) return;
01563
01564 left = max(0, left - vp->virtual_left);
01565
01566 if (left >= vp->virtual_width) return;
01567
01568 top = max(0, top - vp->virtual_top);
01569
01570 if (top >= vp->virtual_height) return;
01571
01572 SetDirtyBlocks(
01573 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01574 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01575 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01576 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01577 );
01578 }
01579
01588 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01589 {
01590 Window *w;
01591 FOR_ALL_WINDOWS_FROM_BACK(w) {
01592 ViewPort *vp = w->viewport;
01593 if (vp != NULL) {
01594 assert(vp->width != 0);
01595 MarkViewportDirty(vp, left, top, right, bottom);
01596 }
01597 }
01598 }
01599
01600 void MarkTileDirtyByTile(TileIndex tile)
01601 {
01602 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
01603 MarkAllViewportsDirty(
01604 pt.x - 31,
01605 pt.y - 122,
01606 pt.x - 31 + 67,
01607 pt.y - 122 + 154
01608 );
01609 }
01610
01618 static void SetSelectionTilesDirty()
01619 {
01620 int x_start = _thd.pos.x;
01621 int y_start = _thd.pos.y;
01622
01623 int x_size = _thd.size.x;
01624 int y_size = _thd.size.y;
01625
01626 if (_thd.outersize.x != 0) {
01627 x_size += _thd.outersize.x;
01628 x_start += _thd.offs.x;
01629 y_size += _thd.outersize.y;
01630 y_start += _thd.offs.y;
01631 }
01632
01633 x_size -= TILE_SIZE;
01634 y_size -= TILE_SIZE;
01635
01636 assert(x_size >= 0);
01637 assert(y_size >= 0);
01638
01639 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01640 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01641
01642 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01643 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01644
01645
01646 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01647
01648
01649
01650
01651
01652
01653
01654
01655
01656
01657
01658
01659
01660
01661
01662
01663
01664
01665
01666 int top_x = x_end;
01667 int top_y = y_start;
01668 int bot_x = top_x;
01669 int bot_y = top_y;
01670
01671 do {
01672 Point top = RemapCoords2(top_x, top_y);
01673 Point bot = RemapCoords2(bot_x + TILE_SIZE - 1, bot_y + TILE_SIZE - 1);
01674
01675
01676
01677
01678 int l = top.x - (TILE_PIXELS - 2);
01679 int t = top.y;
01680 int r = top.x + (TILE_PIXELS - 2);
01681 int b = bot.y;
01682
01683 static const int OVERLAY_WIDTH = 4;
01684
01685
01686 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH);
01687
01688
01689 if (top_x != x_start) {
01690 top_x -= TILE_SIZE;
01691 } else {
01692 top_y += TILE_SIZE;
01693 }
01694
01695
01696 if (bot_y != y_end) {
01697 bot_y += TILE_SIZE;
01698 } else {
01699 bot_x -= TILE_SIZE;
01700 }
01701 } while (bot_x >= top_x);
01702 }
01703
01704
01705 void SetSelectionRed(bool b)
01706 {
01707 _thd.make_square_red = b;
01708 SetSelectionTilesDirty();
01709 }
01710
01719 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01720 {
01721 bool small = (vp->zoom >= ZOOM_LVL_OUT_4X);
01722 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01723 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01724
01725 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01726 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01727
01728 return
01729 y >= sign->top &&
01730 y < sign->top + sign_height &&
01731 x >= sign->center - sign_half_width &&
01732 x < sign->center + sign_half_width;
01733 }
01734
01735 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01736 {
01737 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01738
01739 const Town *t;
01740 FOR_ALL_TOWNS(t) {
01741 if (CheckClickOnViewportSign(vp, x, y, &t->sign)) {
01742 ShowTownViewWindow(t->index);
01743 return true;
01744 }
01745 }
01746
01747 return false;
01748 }
01749
01750 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01751 {
01752 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01753
01754 const BaseStation *st;
01755 FOR_ALL_BASE_STATIONS(st) {
01756
01757 bool is_station = Station::IsExpected(st);
01758
01759
01760 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01761
01762 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01763 if (is_station) {
01764 ShowStationViewWindow(st->index);
01765 } else {
01766 ShowWaypointWindow(Waypoint::From(st));
01767 }
01768 return true;
01769 }
01770 }
01771
01772 return false;
01773 }
01774
01775
01776 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01777 {
01778
01779 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01780
01781 const Sign *si;
01782 FOR_ALL_SIGNS(si) {
01783 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01784 HandleClickOnSign(si);
01785 return true;
01786 }
01787 }
01788
01789 return false;
01790 }
01791
01792
01793 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01794 {
01795 Point pt = TranslateXYToTileCoord(vp, x, y);
01796
01797 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01798 return true;
01799 }
01800
01801
01802 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01803 {
01804 const Vehicle *v;
01805
01806 if (CheckClickOnTown(vp, x, y)) return true;
01807 if (CheckClickOnStation(vp, x, y)) return true;
01808 if (CheckClickOnSign(vp, x, y)) return true;
01809 CheckClickOnLandscape(vp, x, y);
01810
01811 v = CheckClickOnVehicle(vp, x, y);
01812 if (v != NULL) {
01813 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01814 if (IsCompanyBuildableVehicleType(v)) ShowVehicleViewWindow(v->First());
01815 return true;
01816 }
01817 return CheckClickOnLandscape(vp, x, y);
01818 }
01819
01820 Vehicle *CheckMouseOverVehicle()
01821 {
01822 const Window *w;
01823 const ViewPort *vp;
01824
01825 int x = _cursor.pos.x;
01826 int y = _cursor.pos.y;
01827
01828 w = FindWindowFromPt(x, y);
01829 if (w == NULL) return NULL;
01830
01831 vp = IsPtInWindowViewport(w, x, y);
01832 return (vp != NULL) ? CheckClickOnVehicle(vp, x, y) : NULL;
01833 }
01834
01835
01836
01837 void PlaceObject()
01838 {
01839 Point pt;
01840 Window *w;
01841
01842 pt = GetTileBelowCursor();
01843 if (pt.x == -1) return;
01844
01845 if (_thd.place_mode == HT_POINT) {
01846 pt.x += 8;
01847 pt.y += 8;
01848 }
01849
01850 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01851 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01852
01853 w = GetCallbackWnd();
01854 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01855 }
01856
01857
01866 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
01867 {
01868
01869 if (z == -1) z = GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
01870
01871 Point pt = MapXYZToViewport(w->viewport, x, y, z);
01872 w->viewport->follow_vehicle = INVALID_VEHICLE;
01873
01874 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y)
01875 return false;
01876
01877 if (instant) {
01878 w->viewport->scrollpos_x = pt.x;
01879 w->viewport->scrollpos_y = pt.y;
01880 }
01881
01882 w->viewport->dest_scrollpos_x = pt.x;
01883 w->viewport->dest_scrollpos_y = pt.y;
01884 return true;
01885 }
01886
01887 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
01888 {
01889 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
01890 }
01891
01892 void SetRedErrorSquare(TileIndex tile)
01893 {
01894 TileIndex old;
01895
01896 old = _thd.redsq;
01897 _thd.redsq = tile;
01898
01899 if (tile != old) {
01900 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
01901 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
01902 }
01903 }
01904
01909 void SetTileSelectSize(int w, int h)
01910 {
01911 _thd.new_size.x = w * TILE_SIZE;
01912 _thd.new_size.y = h * TILE_SIZE;
01913 _thd.new_outersize.x = 0;
01914 _thd.new_outersize.y = 0;
01915 }
01916
01917 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
01918 {
01919 _thd.offs.x = ox * TILE_SIZE;
01920 _thd.offs.y = oy * TILE_SIZE;
01921 _thd.new_outersize.x = sx * TILE_SIZE;
01922 _thd.new_outersize.y = sy * TILE_SIZE;
01923 }
01924
01926 static HighLightStyle GetAutorailHT(int x, int y)
01927 {
01928 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
01929 }
01930
01938 void UpdateTileSelection()
01939 {
01940 int x1;
01941 int y1;
01942
01943 _thd.new_drawstyle = HT_NONE;
01944
01945 if (_thd.place_mode == HT_SPECIAL) {
01946 x1 = _thd.selend.x;
01947 y1 = _thd.selend.y;
01948 if (x1 != -1) {
01949 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
01950 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
01951 x1 &= ~TILE_UNIT_MASK;
01952 y1 &= ~TILE_UNIT_MASK;
01953
01954 if (x1 >= x2) Swap(x1, x2);
01955 if (y1 >= y2) Swap(y1, y2);
01956 _thd.new_pos.x = x1;
01957 _thd.new_pos.y = y1;
01958 _thd.new_size.x = x2 - x1 + TILE_SIZE;
01959 _thd.new_size.y = y2 - y1 + TILE_SIZE;
01960 _thd.new_drawstyle = _thd.next_drawstyle;
01961 }
01962 } else if (_thd.place_mode != HT_NONE) {
01963 Point pt = GetTileBelowCursor();
01964 x1 = pt.x;
01965 y1 = pt.y;
01966 if (x1 != -1) {
01967 switch (_thd.place_mode & HT_DRAG_MASK) {
01968 case HT_RECT:
01969 _thd.new_drawstyle = HT_RECT;
01970 break;
01971 case HT_POINT:
01972 _thd.new_drawstyle = HT_POINT;
01973 x1 += TILE_SIZE / 2;
01974 y1 += TILE_SIZE / 2;
01975 break;
01976 case HT_RAIL:
01977
01978 _thd.new_drawstyle = GetAutorailHT(pt.x, pt.y);
01979 break;
01980 case HT_LINE:
01981 switch (_thd.place_mode & HT_DIR_MASK) {
01982 case HT_DIR_X: _thd.new_drawstyle = HT_LINE | HT_DIR_X; break;
01983 case HT_DIR_Y: _thd.new_drawstyle = HT_LINE | HT_DIR_Y; break;
01984
01985 case HT_DIR_HU:
01986 case HT_DIR_HL:
01987 _thd.new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
01988 break;
01989
01990 case HT_DIR_VL:
01991 case HT_DIR_VR:
01992 _thd.new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
01993 break;
01994
01995 default: NOT_REACHED();
01996 }
01997 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
01998 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
01999 break;
02000 default:
02001 NOT_REACHED();
02002 break;
02003 }
02004 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02005 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02006 }
02007 }
02008
02009
02010 if (_thd.drawstyle != _thd.new_drawstyle ||
02011 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02012 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02013 _thd.outersize.x != _thd.new_outersize.x ||
02014 _thd.outersize.y != _thd.new_outersize.y) {
02015
02016 if (_thd.drawstyle) SetSelectionTilesDirty();
02017
02018 _thd.drawstyle = _thd.new_drawstyle;
02019 _thd.pos = _thd.new_pos;
02020 _thd.size = _thd.new_size;
02021 _thd.outersize = _thd.new_outersize;
02022 _thd.dirty = 0xff;
02023
02024
02025 if (_thd.new_drawstyle) SetSelectionTilesDirty();
02026 }
02027 }
02028
02034 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[])
02035 {
02036 if (!_settings_client.gui.measure_tooltip) return;
02037 GuiShowTooltips(str, paramcount, params, true);
02038 }
02039
02041 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02042 {
02043 _thd.select_method = method;
02044 _thd.select_proc = process;
02045 _thd.selend.x = TileX(tile) * TILE_SIZE;
02046 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02047 _thd.selend.y = TileY(tile) * TILE_SIZE;
02048 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02049
02050
02051
02052
02053 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02054 _thd.selend.x += TILE_SIZE / 2;
02055 _thd.selend.y += TILE_SIZE / 2;
02056 _thd.selstart.x += TILE_SIZE / 2;
02057 _thd.selstart.y += TILE_SIZE / 2;
02058 }
02059
02060 if (_thd.place_mode == HT_RECT) {
02061 _thd.place_mode = HT_SPECIAL;
02062 _thd.next_drawstyle = HT_RECT;
02063 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02064 _thd.place_mode = HT_SPECIAL;
02065 _thd.next_drawstyle = _thd.drawstyle;
02066 } else {
02067 _thd.place_mode = HT_SPECIAL;
02068 _thd.next_drawstyle = HT_POINT;
02069 }
02070 _special_mouse_mode = WSM_SIZING;
02071 }
02072
02073 void VpSetPlaceSizingLimit(int limit)
02074 {
02075 _thd.sizelimit = limit;
02076 }
02077
02082 void VpSetPresizeRange(TileIndex from, TileIndex to)
02083 {
02084 uint64 distance = DistanceManhattan(from, to) + 1;
02085
02086 _thd.selend.x = TileX(to) * TILE_SIZE;
02087 _thd.selend.y = TileY(to) * TILE_SIZE;
02088 _thd.selstart.x = TileX(from) * TILE_SIZE;
02089 _thd.selstart.y = TileY(from) * TILE_SIZE;
02090 _thd.next_drawstyle = HT_RECT;
02091
02092
02093 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance);
02094 }
02095
02096 static void VpStartPreSizing()
02097 {
02098 _thd.selend.x = -1;
02099 _special_mouse_mode = WSM_PRESIZE;
02100 }
02101
02104 static HighLightStyle Check2x1AutoRail(int mode)
02105 {
02106 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02107 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02108 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02109 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02110
02111 switch (mode) {
02112 default: NOT_REACHED();
02113 case 0:
02114 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02115 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02116 return HT_DIR_Y;
02117
02118 case 1:
02119 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02120 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02121 return HT_DIR_Y;
02122
02123 case 2:
02124 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02125 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02126 return HT_DIR_X;
02127
02128 case 3:
02129 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02130 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02131 return HT_DIR_X;
02132 }
02133 }
02134
02146 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02147 {
02148 uint start_x = TileX(start_tile);
02149 uint start_y = TileY(start_tile);
02150 uint end_x = TileX(end_tile);
02151 uint end_y = TileY(end_tile);
02152
02153 switch (style & HT_DRAG_MASK) {
02154 case HT_RAIL:
02155 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02156
02157 case HT_RECT:
02158 case HT_POINT: return (end_x != start_x && end_y < start_y);
02159 default: NOT_REACHED();
02160 }
02161
02162 return false;
02163 }
02164
02179 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02180 {
02181 bool swap = SwapDirection(style, start_tile, end_tile);
02182 byte style_t;
02183 uint h0, h1, ht;
02184
02185 if (start_tile == end_tile) return 0;
02186 if (swap) Swap(start_tile, end_tile);
02187
02188 switch (style & HT_DRAG_MASK) {
02189 case HT_RECT: {
02190 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02191 {1, 0}, {0, 0},
02192 {0, 1}, {1, 1}
02193 };
02194
02195
02196
02197 style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02198 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02199 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02200 }
02201
02202 case HT_POINT:
02203 h0 = TileHeight(start_tile);
02204 h1 = TileHeight(end_tile);
02205 break;
02206 default: {
02207 static const HighLightStyle flip_style_direction[] = {
02208 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02209 };
02210 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02211 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02212 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02213 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02214
02215 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02216 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02217 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02218 };
02219
02220 distance %= 2;
02221 style &= HT_DIR_MASK;
02222
02223
02224
02225
02226
02227 if (swap && distance == 0) style = flip_style_direction[style];
02228
02229
02230 style_t = style * 2;
02231 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02232 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02233 ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02234 h0 = max(h0, ht);
02235
02236
02237
02238 if (distance == 0) style_t = flip_style_direction[style] * 2;
02239 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02240 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02241 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02242 h1 = max(h1, ht);
02243 } break;
02244 }
02245
02246 if (swap) Swap(h0, h1);
02247
02248 return (int)(h1 - h0) * 25;
02249 }
02250
02251 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02252
02259 static void CheckUnderflow(int &test, int &other, int mult)
02260 {
02261 if (test >= 0) return;
02262
02263 other += mult * test;
02264 test = 0;
02265 }
02266
02274 static void CheckOverflow(int &test, int &other, int max, int mult)
02275 {
02276 if (test <= max) return;
02277
02278 other += mult * (test - max);
02279 test = max;
02280 }
02281
02283 static void CalcRaildirsDrawstyle(TileHighlightData *thd, int x, int y, int method)
02284 {
02285 HighLightStyle b;
02286
02287 int dx = thd->selstart.x - (thd->selend.x & ~TILE_UNIT_MASK);
02288 int dy = thd->selstart.y - (thd->selend.y & ~TILE_UNIT_MASK);
02289 uint w = abs(dx) + TILE_SIZE;
02290 uint h = abs(dy) + TILE_SIZE;
02291
02292 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02293
02294 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02295 int raw_dx = thd->selstart.x - thd->selend.x;
02296 int raw_dy = thd->selstart.y - thd->selend.y;
02297 switch (method) {
02298 case VPM_FIX_X:
02299 b = HT_LINE | HT_DIR_Y;
02300 x = thd->selstart.x;
02301 break;
02302
02303 case VPM_FIX_Y:
02304 b = HT_LINE | HT_DIR_X;
02305 y = thd->selstart.y;
02306 break;
02307
02308 case VPM_FIX_HORIZONTAL:
02309 if (dx == -dy) {
02310
02311
02312 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02313 } else {
02314
02315
02316 b = dx + dy >= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02317
02318
02319
02320
02321 int offset = (raw_dx - raw_dy) / 2;
02322 x = thd->selstart.x - (offset & ~TILE_UNIT_MASK);
02323 y = thd->selstart.y + (offset & ~TILE_UNIT_MASK);
02324
02325
02326 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02327 if (dx + dy >= TILE_SIZE) {
02328 x += (dx + dy < 0) ? TILE_SIZE : -TILE_SIZE;
02329 } else {
02330 y += (dx + dy < 0) ? TILE_SIZE : -TILE_SIZE;
02331 }
02332 }
02333
02334
02335 CheckUnderflow(x, y, 1);
02336 CheckUnderflow(y, x, 1);
02337 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02338 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02339 assert(x >= 0 && y >= 0 && x <= (int)MapMaxX() * TILE_SIZE && y <= (int)MapMaxY() * TILE_SIZE);
02340 }
02341 break;
02342
02343 case VPM_FIX_VERTICAL:
02344 if (dx == dy) {
02345
02346
02347 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02348 } else {
02349
02350
02351 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02352
02353
02354
02355
02356 int offset = (raw_dx + raw_dy + TILE_SIZE) / 2;
02357 x = thd->selstart.x - (offset & ~TILE_UNIT_MASK);
02358 y = thd->selstart.y - (offset & ~TILE_UNIT_MASK);
02359
02360
02361 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02362 if (dx - dy < 0) {
02363 y += (dx > dy) ? TILE_SIZE : -TILE_SIZE;
02364 } else {
02365 x += (dx < dy) ? TILE_SIZE : -TILE_SIZE;
02366 }
02367 }
02368
02369
02370 CheckUnderflow(x, y, -1);
02371 CheckUnderflow(y, x, -1);
02372 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02373 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02374 assert(x >= 0 && y >= 0 && x <= (int)MapMaxX() * TILE_SIZE && y <= (int)MapMaxY() * TILE_SIZE);
02375 }
02376 break;
02377
02378 default:
02379 NOT_REACHED();
02380 }
02381 } else if (TileVirtXY(thd->selstart.x, thd->selstart.y) == TileVirtXY(x, y)) {
02382 if (method & VPM_RAILDIRS) {
02383 b = GetAutorailHT(x, y);
02384 } else {
02385 b = HT_RECT;
02386 }
02387 } else if (h == TILE_SIZE) {
02388 if (dx == TILE_SIZE) {
02389 b = (Check2x1AutoRail(3)) | HT_LINE;
02390 } else if (dx == -TILE_SIZE) {
02391 b = (Check2x1AutoRail(2)) | HT_LINE;
02392 } else {
02393 b = HT_LINE | HT_DIR_X;
02394 }
02395 y = thd->selstart.y;
02396 } else if (w == TILE_SIZE) {
02397 if (dy == TILE_SIZE) {
02398 b = (Check2x1AutoRail(1)) | HT_LINE;
02399 } else if (dy == -TILE_SIZE) {
02400 b = (Check2x1AutoRail(0)) | HT_LINE;
02401 } else {
02402 b = HT_LINE | HT_DIR_Y;
02403 }
02404 x = thd->selstart.x;
02405 } else if (w > h * 2) {
02406 b = HT_LINE | HT_DIR_X;
02407 y = thd->selstart.y;
02408 } else if (h > w * 2) {
02409 b = HT_LINE | HT_DIR_Y;
02410 x = thd->selstart.x;
02411 } else {
02412 int d = w - h;
02413 thd->selend.x = thd->selend.x & ~TILE_UNIT_MASK;
02414 thd->selend.y = thd->selend.y & ~TILE_UNIT_MASK;
02415
02416
02417 if (x > thd->selstart.x) {
02418 if (y > thd->selstart.y) {
02419
02420 if (d == 0) {
02421 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02422 } else if (d >= 0) {
02423 x = thd->selstart.x + h;
02424 b = HT_LINE | HT_DIR_VL;
02425 } else {
02426 y = thd->selstart.y + w;
02427 b = HT_LINE | HT_DIR_VR;
02428 }
02429 } else {
02430
02431 if (d == 0) {
02432 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02433 } else if (d >= 0) {
02434 x = thd->selstart.x + h;
02435 b = HT_LINE | HT_DIR_HL;
02436 } else {
02437 y = thd->selstart.y - w;
02438 b = HT_LINE | HT_DIR_HU;
02439 }
02440 }
02441 } else {
02442 if (y > thd->selstart.y) {
02443
02444 if (d == 0) {
02445 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02446 } else if (d >= 0) {
02447 x = thd->selstart.x - h;
02448 b = HT_LINE | HT_DIR_HU;
02449 } else {
02450 y = thd->selstart.y + w;
02451 b = HT_LINE | HT_DIR_HL;
02452 }
02453 } else {
02454
02455 if (d == 0) {
02456 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02457 } else if (d >= 0) {
02458 x = thd->selstart.x - h;
02459 b = HT_LINE | HT_DIR_VR;
02460 } else {
02461 y = thd->selstart.y - w;
02462 b = HT_LINE | HT_DIR_VL;
02463 }
02464 }
02465 }
02466 }
02467
02468 if (_settings_client.gui.measure_tooltip) {
02469 TileIndex t0 = TileVirtXY(thd->selstart.x, thd->selstart.y);
02470 TileIndex t1 = TileVirtXY(x, y);
02471 uint distance = DistanceManhattan(t0, t1) + 1;
02472 byte index = 0;
02473 uint64 params[2];
02474
02475 if (distance != 1) {
02476 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02477
02478
02479
02480 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02481 distance = (distance + 1) / 2;
02482 }
02483
02484 params[index++] = distance;
02485 if (heightdiff != 0) params[index++] = heightdiff;
02486 }
02487
02488 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02489 }
02490
02491 thd->selend.x = x;
02492 thd->selend.y = y;
02493 thd->next_drawstyle = b;
02494 }
02495
02502 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02503 {
02504 int sx, sy;
02505 HighLightStyle style;
02506
02507 if (x == -1) {
02508 _thd.selend.x = -1;
02509 return;
02510 }
02511
02512
02513 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02514 _thd.selend.x = x;
02515 _thd.selend.y = y;
02516 CalcRaildirsDrawstyle(&_thd, x, y, method);
02517 return;
02518 }
02519
02520
02521 if (_thd.next_drawstyle == HT_POINT) {
02522 x += TILE_SIZE / 2;
02523 y += TILE_SIZE / 2;
02524 }
02525
02526 sx = _thd.selstart.x;
02527 sy = _thd.selstart.y;
02528
02529 int limit = 0;
02530
02531 switch (method) {
02532 case VPM_X_OR_Y:
02533 if (abs(sy - y) < abs(sx - x)) {
02534 y = sy;
02535 style = HT_DIR_X;
02536 } else {
02537 x = sx;
02538 style = HT_DIR_Y;
02539 }
02540 goto calc_heightdiff_single_direction;
02541
02542 case VPM_X_LIMITED:
02543 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02544
02545
02546 case VPM_FIX_X:
02547 x = sx;
02548 style = HT_DIR_Y;
02549 goto calc_heightdiff_single_direction;
02550
02551 case VPM_Y_LIMITED:
02552 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02553
02554
02555 case VPM_FIX_Y:
02556 y = sy;
02557 style = HT_DIR_X;
02558
02559 calc_heightdiff_single_direction:;
02560 if (limit > 0) {
02561 x = sx + Clamp(x - sx, -limit, limit);
02562 y = sy + Clamp(y - sy, -limit, limit);
02563 }
02564 if (_settings_client.gui.measure_tooltip) {
02565 TileIndex t0 = TileVirtXY(sx, sy);
02566 TileIndex t1 = TileVirtXY(x, y);
02567 uint distance = DistanceManhattan(t0, t1) + 1;
02568 byte index = 0;
02569 uint64 params[2];
02570
02571 if (distance != 1) {
02572
02573
02574
02575
02576
02577 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02578
02579 params[index++] = distance;
02580 if (heightdiff != 0) params[index++] = heightdiff;
02581 }
02582
02583 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02584 } break;
02585
02586 case VPM_X_AND_Y_LIMITED:
02587 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02588 x = sx + Clamp(x - sx, -limit, limit);
02589 y = sy + Clamp(y - sy, -limit, limit);
02590
02591
02592 case VPM_X_AND_Y: {
02593 if (_settings_client.gui.measure_tooltip) {
02594 static const StringID measure_strings_area[] = {
02595 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02596 };
02597
02598 TileIndex t0 = TileVirtXY(sx, sy);
02599 TileIndex t1 = TileVirtXY(x, y);
02600 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02601 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02602 byte index = 0;
02603 uint64 params[3];
02604
02605
02606
02607 style = (HighLightStyle)_thd.next_drawstyle;
02608 if (style & HT_RECT) {
02609 if (dx == 1) {
02610 style = HT_LINE | HT_DIR_Y;
02611 } else if (dy == 1) {
02612 style = HT_LINE | HT_DIR_X;
02613 }
02614 }
02615
02616 if (dx != 1 || dy != 1) {
02617 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02618
02619 params[index++] = dx;
02620 params[index++] = dy;
02621 if (heightdiff != 0) params[index++] = heightdiff;
02622 }
02623
02624 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02625 }
02626 break;
02627
02628 }
02629 default: NOT_REACHED();
02630 }
02631
02632 _thd.selend.x = x;
02633 _thd.selend.y = y;
02634 }
02635
02640 bool VpHandlePlaceSizingDrag()
02641 {
02642 if (_special_mouse_mode != WSM_SIZING) return true;
02643
02644
02645 Window *w = FindWindowById(_thd.window_class, _thd.window_number);
02646 if (w == NULL) {
02647 ResetObjectToPlace();
02648 return false;
02649 }
02650
02651
02652 if (_left_button_down) {
02653 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02654 return false;
02655 }
02656
02657
02658
02659 _special_mouse_mode = WSM_NONE;
02660 if (_thd.next_drawstyle == HT_RECT) {
02661 _thd.place_mode = HT_RECT;
02662 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02663 _thd.place_mode = HT_RECT;
02664 } else if (_thd.select_method & VPM_RAILDIRS) {
02665 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : HT_RAIL;
02666 } else {
02667 _thd.place_mode = HT_POINT;
02668 }
02669 SetTileSelectSize(1, 1);
02670
02671 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02672
02673 return false;
02674 }
02675
02676 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02677 {
02678 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02679 }
02680
02681 #include "table/animcursors.h"
02682
02683 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02684 {
02685
02686 if (_thd.place_mode != HT_NONE || _special_mouse_mode == WSM_DRAGDROP) {
02687 Window *w = FindWindowById(_thd.window_class, _thd.window_number);
02688 if (w != NULL) {
02689
02690
02691
02692
02693
02694 _thd.window_class = WC_INVALID;
02695 w->OnPlaceObjectAbort();
02696 }
02697 }
02698
02699 SetTileSelectSize(1, 1);
02700
02701 _thd.make_square_red = false;
02702
02703 if (mode == HT_DRAG) {
02704 mode = HT_NONE;
02705 _special_mouse_mode = WSM_DRAGDROP;
02706 } else {
02707 _special_mouse_mode = WSM_NONE;
02708 }
02709
02710 _thd.place_mode = mode;
02711 _thd.window_class = window_class;
02712 _thd.window_number = window_num;
02713
02714 if (mode == HT_SPECIAL)
02715 VpStartPreSizing();
02716
02717 if ((icon & ANIMCURSOR_FLAG) != 0) {
02718 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02719 } else {
02720 SetMouseCursor(icon, pal);
02721 }
02722
02723 }
02724
02725 void ResetObjectToPlace()
02726 {
02727 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02728 }