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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 = static_cast<ZoomLevel>(Clamp(zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
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, GetSlopePixelZ(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 int 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 + ZOOM_LVL_SHIFT);
00381 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> (1 + ZOOM_LVL_SHIFT);
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 = GetSlopePixelZ(Clamp(a + max(z, 4) - 4, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + max(z, 4) - 4, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00404 for (int malus = 3; malus > 0; malus--) z = GetSlopePixelZ(Clamp(a + max(z, malus) - malus, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + max(z, malus) - malus, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00405 for (int i = 0; i < 5; i++) z = GetSlopePixelZ(Clamp(a + z, min_coord, MapMaxX() * TILE_SIZE - 1), Clamp(b + z, min_coord, MapMaxY() * TILE_SIZE - 1)) / 2;
00406
00407 pt.x = Clamp(a + z, min_coord, MapMaxX() * TILE_SIZE - 1);
00408 pt.y = Clamp(b + 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 <= _settings_client.gui.zoom_min);
00463 w->SetWidgetDirty(widget_zoom_in);
00464
00465 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom >= _settings_client.gui.zoom_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, false);
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 * ZOOM_LVL_BASE, pt.y + extra_offs_y * ZOOM_LVL_BASE);
00543 } else {
00544 AddTileSpriteToDraw(image, pal, _cur_ti->x + x, _cur_ti->y + y, _cur_ti->z + z, sub, extra_offs_x * ZOOM_LVL_BASE, extra_offs_y * ZOOM_LVL_BASE);
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 * ZOOM_LVL_BASE;
00587 _vd.foundation_offset[_vd.foundation_part].y = y * ZOOM_LVL_BASE;
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, int 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, false);
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, bool scale)
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 = scale ? x * ZOOM_LVL_BASE : x;
00817 cs->y = scale ? y * ZOOM_LVL_BASE : 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 * ZOOM_LVL_BASE);
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 int 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 + ZOOM_LVL_SHIFT)) - (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT))) & ~TILE_UNIT_MASK;
01044 y = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) + (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT)) - 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 * ZOOM_LVL_BASE) >> (6 + ZOOM_LVL_SHIFT);
01050 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> (5 + ZOOM_LVL_SHIFT) << 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 = GetTilePixelSlope(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 = GetTilePixelSlope(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_16X, &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
01190 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01191
01192 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &st->sign,
01193 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01194 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01195 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01196 }
01197 }
01198
01199
01200 static void ViewportAddSigns(DrawPixelInfo *dpi)
01201 {
01202
01203 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01204
01205 const Sign *si;
01206 FOR_ALL_SIGNS(si) {
01207
01208
01209
01210 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner && si->owner != OWNER_DEITY) continue;
01211
01212 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &si->sign,
01213 STR_WHITE_SIGN,
01214 (IsTransparencySet(TO_SIGNS) || si->owner == OWNER_DEITY) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01215 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : (si->owner == OWNER_DEITY ? INVALID_COLOUR : _company_colours[si->owner]));
01216 }
01217 }
01218
01225 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01226 {
01227 if (this->width_normal != 0) this->MarkDirty();
01228
01229 this->top = top;
01230
01231 char buffer[DRAW_STRING_BUFFER];
01232
01233 GetString(buffer, str, lastof(buffer));
01234 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01235 this->center = center;
01236
01237
01238 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01239
01240 this->MarkDirty();
01241 }
01242
01248 void ViewportSign::MarkDirty() const
01249 {
01250
01251
01252
01253
01254 MarkAllViewportsDirty(
01255 this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01256 this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
01257 this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
01258 this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
01259 }
01260
01261 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01262 {
01263 const TileSpriteToDraw *tsend = tstdv->End();
01264 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01265 DrawSpriteViewport(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01266 }
01267 }
01268
01270 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01271 {
01272 ParentSpriteToDraw **psdvend = psdv->End();
01273 ParentSpriteToDraw **psd = psdv->Begin();
01274 while (psd != psdvend) {
01275 ParentSpriteToDraw *ps = *psd;
01276
01277 if (ps->comparison_done) {
01278 psd++;
01279 continue;
01280 }
01281
01282 ps->comparison_done = true;
01283
01284 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01285 ParentSpriteToDraw *ps2 = *psd2;
01286
01287 if (ps2->comparison_done) continue;
01288
01289
01290
01291
01292 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01293 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01294 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01295
01296
01297
01298
01299
01300
01301 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01302 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01303 continue;
01304 }
01305 } else {
01306
01307
01308
01309
01310 if (ps->xmax < ps2->xmin ||
01311 ps->ymax < ps2->ymin ||
01312 ps->zmax < ps2->zmin) {
01313 continue;
01314 }
01315 }
01316
01317
01318 ParentSpriteToDraw *temp = ps2;
01319 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01320 *psd3 = *(psd3 - 1);
01321 }
01322 *psd = temp;
01323 }
01324 }
01325 }
01326
01327 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01328 {
01329 const ParentSpriteToDraw * const *psd_end = psd->End();
01330 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01331 const ParentSpriteToDraw *ps = *it;
01332 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSpriteViewport(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01333
01334 int child_idx = ps->first_child;
01335 while (child_idx >= 0) {
01336 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01337 child_idx = cs->next;
01338 DrawSpriteViewport(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01339 }
01340 }
01341 }
01342
01347 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01348 {
01349 const ParentSpriteToDraw * const *psd_end = psd->End();
01350 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01351 const ParentSpriteToDraw *ps = *it;
01352 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01353 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01354 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01355 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01356
01357 DrawBox( pt1.x, pt1.y,
01358 pt2.x - pt1.x, pt2.y - pt1.y,
01359 pt3.x - pt1.x, pt3.y - pt1.y,
01360 pt4.x - pt1.x, pt4.y - pt1.y);
01361 }
01362 }
01363
01364 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01365 {
01366 DrawPixelInfo dp;
01367 ZoomLevel zoom;
01368
01369 _cur_dpi = &dp;
01370 dp = *dpi;
01371
01372 zoom = dp.zoom;
01373 dp.zoom = ZOOM_LVL_NORMAL;
01374
01375 dp.left = UnScaleByZoom(dp.left, zoom);
01376 dp.top = UnScaleByZoom(dp.top, zoom);
01377 dp.width = UnScaleByZoom(dp.width, zoom);
01378 dp.height = UnScaleByZoom(dp.height, zoom);
01379
01380 const StringSpriteToDraw *ssend = sstdv->End();
01381 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01382 TextColour colour = TC_BLACK;
01383 bool small = HasBit(ss->width, 15);
01384 int w = GB(ss->width, 0, 15);
01385 int x = UnScaleByZoom(ss->x, zoom);
01386 int y = UnScaleByZoom(ss->y, zoom);
01387 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01388
01389 SetDParam(0, ss->params[0]);
01390 SetDParam(1, ss->params[1]);
01391
01392 if (ss->colour != INVALID_COLOUR) {
01393
01394 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01395
01396
01397
01398 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01399
01400
01401 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01402 }
01403
01404
01405
01406 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01407 DrawFrameRect(
01408 x, y, x + w, y + h, ss->colour,
01409 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01410 );
01411 }
01412 }
01413
01414 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01415 }
01416 }
01417
01418 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01419 {
01420 DrawPixelInfo *old_dpi = _cur_dpi;
01421 _cur_dpi = &_vd.dpi;
01422
01423 _vd.dpi.zoom = vp->zoom;
01424 int mask = ScaleByZoom(-1, vp->zoom);
01425
01426 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01427
01428 _vd.dpi.width = (right - left) & mask;
01429 _vd.dpi.height = (bottom - top) & mask;
01430 _vd.dpi.left = left & mask;
01431 _vd.dpi.top = top & mask;
01432 _vd.dpi.pitch = old_dpi->pitch;
01433 _vd.last_child = NULL;
01434
01435 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01436 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01437
01438 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01439
01440 ViewportAddLandscape();
01441 ViewportAddVehicles(&_vd.dpi);
01442
01443 ViewportAddTownNames(&_vd.dpi);
01444 ViewportAddStationNames(&_vd.dpi);
01445 ViewportAddSigns(&_vd.dpi);
01446
01447 DrawTextEffects(&_vd.dpi);
01448
01449 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01450
01451 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01452 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01453 *_vd.parent_sprites_to_sort.Append() = it;
01454 }
01455
01456 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01457 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01458
01459 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01460
01461 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01462
01463 _cur_dpi = old_dpi;
01464
01465 _vd.string_sprites_to_draw.Clear();
01466 _vd.tile_sprites_to_draw.Clear();
01467 _vd.parent_sprites_to_draw.Clear();
01468 _vd.parent_sprites_to_sort.Clear();
01469 _vd.child_screen_sprites_to_draw.Clear();
01470 }
01471
01476 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01477 {
01478 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000 * ZOOM_LVL_BASE * ZOOM_LVL_BASE) {
01479 if ((bottom - top) > (right - left)) {
01480 int t = (top + bottom) >> 1;
01481 ViewportDrawChk(vp, left, top, right, t);
01482 ViewportDrawChk(vp, left, t, right, bottom);
01483 } else {
01484 int t = (left + right) >> 1;
01485 ViewportDrawChk(vp, left, top, t, bottom);
01486 ViewportDrawChk(vp, t, top, right, bottom);
01487 }
01488 } else {
01489 ViewportDoDraw(vp,
01490 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01491 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01492 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01493 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01494 );
01495 }
01496 }
01497
01498 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01499 {
01500 if (right <= vp->left || bottom <= vp->top) return;
01501
01502 if (left >= vp->left + vp->width) return;
01503
01504 if (left < vp->left) left = vp->left;
01505 if (right > vp->left + vp->width) right = vp->left + vp->width;
01506
01507 if (top >= vp->top + vp->height) return;
01508
01509 if (top < vp->top) top = vp->top;
01510 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01511
01512 ViewportDrawChk(vp, left, top, right, bottom);
01513 }
01514
01518 void Window::DrawViewport() const
01519 {
01520 DrawPixelInfo *dpi = _cur_dpi;
01521
01522 dpi->left += this->left;
01523 dpi->top += this->top;
01524
01525 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01526
01527 dpi->left -= this->left;
01528 dpi->top -= this->top;
01529 }
01530
01531 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01532 {
01533
01534 x += vp->virtual_width / 2;
01535 y += vp->virtual_height / 2;
01536
01537
01538
01539 int vx = -x + y * 2;
01540 int vy = x + y * 2;
01541
01542
01543 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4 * ZOOM_LVL_BASE);
01544 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4 * ZOOM_LVL_BASE);
01545
01546
01547 x = (-vx + vy) / 2;
01548 y = ( vx + vy) / 4;
01549
01550
01551 x -= vp->virtual_width / 2;
01552 y -= vp->virtual_height / 2;
01553 }
01554
01559 void UpdateViewportPosition(Window *w)
01560 {
01561 const ViewPort *vp = w->viewport;
01562
01563 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01564 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01565 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01566
01567 w->viewport->scrollpos_x = pt.x;
01568 w->viewport->scrollpos_y = pt.y;
01569 SetViewportPosition(w, pt.x, pt.y);
01570 } else {
01571
01572 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01573
01574 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01575 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01576
01577 if (delta_x != 0 || delta_y != 0) {
01578 if (_settings_client.gui.smooth_scroll) {
01579 int max_scroll = ScaleByMapSize1D(512 * ZOOM_LVL_BASE);
01580
01581 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01582 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01583 } else {
01584 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01585 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01586 }
01587 }
01588
01589 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01590
01591 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01592 }
01593 }
01594
01604 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01605 {
01606 right -= vp->virtual_left;
01607 if (right <= 0) return;
01608
01609 bottom -= vp->virtual_top;
01610 if (bottom <= 0) return;
01611
01612 left = max(0, left - vp->virtual_left);
01613
01614 if (left >= vp->virtual_width) return;
01615
01616 top = max(0, top - vp->virtual_top);
01617
01618 if (top >= vp->virtual_height) return;
01619
01620 SetDirtyBlocks(
01621 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01622 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01623 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01624 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01625 );
01626 }
01627
01636 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01637 {
01638 Window *w;
01639 FOR_ALL_WINDOWS_FROM_BACK(w) {
01640 ViewPort *vp = w->viewport;
01641 if (vp != NULL) {
01642 assert(vp->width != 0);
01643 MarkViewportDirty(vp, left, top, right, bottom);
01644 }
01645 }
01646 }
01647
01648 void ConstrainAllViewportsZoom()
01649 {
01650 Window *w;
01651 FOR_ALL_WINDOWS_FROM_FRONT(w) {
01652 if (w->viewport == NULL) continue;
01653
01654 ZoomLevel zoom = static_cast<ZoomLevel>(Clamp(w->viewport->zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
01655 if (zoom != w->viewport->zoom) {
01656 while (w->viewport->zoom < zoom) DoZoomInOutWindow(ZOOM_OUT, w);
01657 while (w->viewport->zoom > zoom) DoZoomInOutWindow(ZOOM_IN, w);
01658 }
01659 }
01660 }
01661
01667 void MarkTileDirtyByTile(TileIndex tile)
01668 {
01669 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTilePixelZ(tile));
01670 MarkAllViewportsDirty(
01671 pt.x - 31 * ZOOM_LVL_BASE,
01672 pt.y - 122 * ZOOM_LVL_BASE,
01673 pt.x - 31 * ZOOM_LVL_BASE + 67 * ZOOM_LVL_BASE,
01674 pt.y - 122 * ZOOM_LVL_BASE + 154 * ZOOM_LVL_BASE
01675 );
01676 }
01677
01685 static void SetSelectionTilesDirty()
01686 {
01687 int x_size = _thd.size.x;
01688 int y_size = _thd.size.y;
01689
01690 if (!_thd.diagonal) {
01691 int x_start = _thd.pos.x;
01692 int y_start = _thd.pos.y;
01693
01694 if (_thd.outersize.x != 0) {
01695 x_size += _thd.outersize.x;
01696 x_start += _thd.offs.x;
01697 y_size += _thd.outersize.y;
01698 y_start += _thd.offs.y;
01699 }
01700
01701 x_size -= TILE_SIZE;
01702 y_size -= TILE_SIZE;
01703
01704 assert(x_size >= 0);
01705 assert(y_size >= 0);
01706
01707 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01708 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01709
01710 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01711 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01712
01713
01714 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01715
01716
01717
01718
01719
01720
01721
01722
01723
01724
01725
01726
01727
01728
01729
01730
01731
01732
01733
01734 int top_x = x_end;
01735 int top_y = y_start;
01736 int bot_x = top_x;
01737 int bot_y = top_y;
01738
01739 do {
01740
01741 TileIndex top_tile = TileVirtXY(top_x, top_y);
01742 Point top = RemapCoords(top_x, top_y, GetTileMaxPixelZ(top_tile));
01743
01744
01745 TileIndex bottom_tile = TileVirtXY(bot_x, bot_y);
01746 Point bot = RemapCoords(bot_x + TILE_SIZE, bot_y + TILE_SIZE, GetTilePixelZ(bottom_tile));
01747
01748
01749
01750
01751 int l = top.x - (TILE_PIXELS - 2) * ZOOM_LVL_BASE;
01752 int t = top.y;
01753 int r = top.x + (TILE_PIXELS - 2) * ZOOM_LVL_BASE;
01754 int b = bot.y;
01755
01756 static const int OVERLAY_WIDTH = 4 * ZOOM_LVL_BASE;
01757
01758
01759 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT * ZOOM_LVL_BASE, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH * ZOOM_LVL_BASE);
01760
01761
01762 if (top_x != x_start) {
01763 top_x -= TILE_SIZE;
01764 } else {
01765 top_y += TILE_SIZE;
01766 }
01767
01768
01769 if (bot_y != y_end) {
01770 bot_y += TILE_SIZE;
01771 } else {
01772 bot_x -= TILE_SIZE;
01773 }
01774 } while (bot_x >= top_x);
01775 } else {
01776
01777 int a_size = x_size + y_size, b_size = x_size - y_size;
01778
01779 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01780 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01781
01782 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01783 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01784 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01785 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01786
01787 if (x < MapMaxX() && y < MapMaxY()) {
01788 MarkTileDirtyByTile(TileXY(x, y));
01789 }
01790 }
01791 }
01792 }
01793 }
01794
01795
01796 void SetSelectionRed(bool b)
01797 {
01798 _thd.make_square_red = b;
01799 SetSelectionTilesDirty();
01800 }
01801
01810 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01811 {
01812 bool small = (vp->zoom >= ZOOM_LVL_OUT_16X);
01813 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01814 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01815
01816 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01817 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01818
01819 return y >= sign->top && y < sign->top + sign_height &&
01820 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01821 }
01822
01823 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01824 {
01825 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01826
01827 const Town *t;
01828 FOR_ALL_TOWNS(t) {
01829 if (CheckClickOnViewportSign(vp, x, y, &t->sign)) {
01830 ShowTownViewWindow(t->index);
01831 return true;
01832 }
01833 }
01834
01835 return false;
01836 }
01837
01838 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01839 {
01840 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01841
01842 const BaseStation *st;
01843 FOR_ALL_BASE_STATIONS(st) {
01844
01845 bool is_station = Station::IsExpected(st);
01846
01847
01848 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01849
01850
01851 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01852
01853 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01854 if (is_station) {
01855 ShowStationViewWindow(st->index);
01856 } else {
01857 ShowWaypointWindow(Waypoint::From(st));
01858 }
01859 return true;
01860 }
01861 }
01862
01863 return false;
01864 }
01865
01866
01867 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01868 {
01869
01870 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01871
01872 const Sign *si;
01873 FOR_ALL_SIGNS(si) {
01874
01875 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner && si->owner != OWNER_DEITY) continue;
01876 if (si->owner == OWNER_DEITY && _game_mode != GM_EDITOR) continue;
01877
01878 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01879 HandleClickOnSign(si);
01880 return true;
01881 }
01882 }
01883
01884 return false;
01885 }
01886
01887
01888 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01889 {
01890 Point pt = TranslateXYToTileCoord(vp, x, y);
01891
01892 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01893 return true;
01894 }
01895
01896 static void PlaceObject()
01897 {
01898 Point pt;
01899 Window *w;
01900
01901 pt = GetTileBelowCursor();
01902 if (pt.x == -1) return;
01903
01904 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01905 pt.x += TILE_SIZE / 2;
01906 pt.y += TILE_SIZE / 2;
01907 }
01908
01909 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01910 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01911
01912 w = _thd.GetCallbackWnd();
01913 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01914 }
01915
01916
01917 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01918 {
01919 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01920
01921 if (_thd.place_mode & HT_VEHICLE) {
01922 if (v != NULL && VehicleClicked(v)) return true;
01923 }
01924
01925
01926 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
01927 PlaceObject();
01928 return true;
01929 }
01930
01931 if (CheckClickOnTown(vp, x, y)) return true;
01932 if (CheckClickOnStation(vp, x, y)) return true;
01933 if (CheckClickOnSign(vp, x, y)) return true;
01934 bool result = CheckClickOnLandscape(vp, x, y);
01935
01936 if (v != NULL) {
01937 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01938 if (IsCompanyBuildableVehicleType(v)) {
01939 v = v->First();
01940 if (_ctrl_pressed && v->owner == _local_company) {
01941 StartStopVehicle(v, true);
01942 } else {
01943 ShowVehicleViewWindow(v);
01944 }
01945 }
01946 return true;
01947 }
01948 return result;
01949 }
01950
01951
01961 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
01962 {
01963
01964 if (z == -1) z = GetSlopePixelZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
01965
01966 Point pt = MapXYZToViewport(w->viewport, x, y, z);
01967 w->viewport->follow_vehicle = INVALID_VEHICLE;
01968
01969 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
01970
01971 if (instant) {
01972 w->viewport->scrollpos_x = pt.x;
01973 w->viewport->scrollpos_y = pt.y;
01974 }
01975
01976 w->viewport->dest_scrollpos_x = pt.x;
01977 w->viewport->dest_scrollpos_y = pt.y;
01978 return true;
01979 }
01980
01988 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
01989 {
01990 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
01991 }
01992
01999 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
02000 {
02001 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
02002 }
02003
02008 void SetRedErrorSquare(TileIndex tile)
02009 {
02010 TileIndex old;
02011
02012 old = _thd.redsq;
02013 _thd.redsq = tile;
02014
02015 if (tile != old) {
02016 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
02017 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
02018 }
02019 }
02020
02026 void SetTileSelectSize(int w, int h)
02027 {
02028 _thd.new_size.x = w * TILE_SIZE;
02029 _thd.new_size.y = h * TILE_SIZE;
02030 _thd.new_outersize.x = 0;
02031 _thd.new_outersize.y = 0;
02032 }
02033
02034 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02035 {
02036 _thd.offs.x = ox * TILE_SIZE;
02037 _thd.offs.y = oy * TILE_SIZE;
02038 _thd.new_outersize.x = sx * TILE_SIZE;
02039 _thd.new_outersize.y = sy * TILE_SIZE;
02040 }
02041
02043 static HighLightStyle GetAutorailHT(int x, int y)
02044 {
02045 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02046 }
02047
02051 void TileHighlightData::Reset()
02052 {
02053 this->pos.x = 0;
02054 this->pos.y = 0;
02055 this->new_pos.x = 0;
02056 this->new_pos.y = 0;
02057 }
02058
02063 bool TileHighlightData::IsDraggingDiagonal()
02064 {
02065 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02066 }
02067
02072 Window *TileHighlightData::GetCallbackWnd()
02073 {
02074 return FindWindowById(this->window_class, this->window_number);
02075 }
02076
02077
02078
02086 void UpdateTileSelection()
02087 {
02088 int x1;
02089 int y1;
02090
02091 HighLightStyle new_drawstyle = HT_NONE;
02092 bool new_diagonal = false;
02093
02094 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02095 x1 = _thd.selend.x;
02096 y1 = _thd.selend.y;
02097 if (x1 != -1) {
02098 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02099 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02100 x1 &= ~TILE_UNIT_MASK;
02101 y1 &= ~TILE_UNIT_MASK;
02102
02103 if (_thd.IsDraggingDiagonal()) {
02104 new_diagonal = true;
02105 } else {
02106 if (x1 >= x2) Swap(x1, x2);
02107 if (y1 >= y2) Swap(y1, y2);
02108 }
02109 _thd.new_pos.x = x1;
02110 _thd.new_pos.y = y1;
02111 _thd.new_size.x = x2 - x1;
02112 _thd.new_size.y = y2 - y1;
02113 if (!new_diagonal) {
02114 _thd.new_size.x += TILE_SIZE;
02115 _thd.new_size.y += TILE_SIZE;
02116 }
02117 new_drawstyle = _thd.next_drawstyle;
02118 }
02119 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02120 Point pt = GetTileBelowCursor();
02121 x1 = pt.x;
02122 y1 = pt.y;
02123 if (x1 != -1) {
02124 switch (_thd.place_mode & HT_DRAG_MASK) {
02125 case HT_RECT:
02126 new_drawstyle = HT_RECT;
02127 break;
02128 case HT_POINT:
02129 new_drawstyle = HT_POINT;
02130 x1 += TILE_SIZE / 2;
02131 y1 += TILE_SIZE / 2;
02132 break;
02133 case HT_RAIL:
02134
02135 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02136 break;
02137 case HT_LINE:
02138 switch (_thd.place_mode & HT_DIR_MASK) {
02139 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02140 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02141
02142 case HT_DIR_HU:
02143 case HT_DIR_HL:
02144 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02145 break;
02146
02147 case HT_DIR_VL:
02148 case HT_DIR_VR:
02149 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02150 break;
02151
02152 default: NOT_REACHED();
02153 }
02154 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02155 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02156 break;
02157 default:
02158 NOT_REACHED();
02159 break;
02160 }
02161 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02162 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02163 }
02164 }
02165
02166
02167 if (_thd.drawstyle != new_drawstyle ||
02168 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02169 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02170 _thd.outersize.x != _thd.new_outersize.x ||
02171 _thd.outersize.y != _thd.new_outersize.y ||
02172 _thd.diagonal != new_diagonal) {
02173
02174 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02175
02176 _thd.drawstyle = new_drawstyle;
02177 _thd.pos = _thd.new_pos;
02178 _thd.size = _thd.new_size;
02179 _thd.outersize = _thd.new_outersize;
02180 _thd.diagonal = new_diagonal;
02181 _thd.dirty = 0xff;
02182
02183
02184 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02185 }
02186 }
02187
02195 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02196 {
02197 if (!_settings_client.gui.measure_tooltip) return;
02198 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02199 }
02200
02202 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02203 {
02204 _thd.select_method = method;
02205 _thd.select_proc = process;
02206 _thd.selend.x = TileX(tile) * TILE_SIZE;
02207 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02208 _thd.selend.y = TileY(tile) * TILE_SIZE;
02209 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02210
02211
02212
02213
02214 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02215 _thd.selend.x += TILE_SIZE / 2;
02216 _thd.selend.y += TILE_SIZE / 2;
02217 _thd.selstart.x += TILE_SIZE / 2;
02218 _thd.selstart.y += TILE_SIZE / 2;
02219 }
02220
02221 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02222 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02223 _thd.place_mode = HT_SPECIAL | others;
02224 _thd.next_drawstyle = HT_RECT | others;
02225 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02226 _thd.place_mode = HT_SPECIAL | others;
02227 _thd.next_drawstyle = _thd.drawstyle | others;
02228 } else {
02229 _thd.place_mode = HT_SPECIAL | others;
02230 _thd.next_drawstyle = HT_POINT | others;
02231 }
02232 _special_mouse_mode = WSM_SIZING;
02233 }
02234
02235 void VpSetPlaceSizingLimit(int limit)
02236 {
02237 _thd.sizelimit = limit;
02238 }
02239
02245 void VpSetPresizeRange(TileIndex from, TileIndex to)
02246 {
02247 uint64 distance = DistanceManhattan(from, to) + 1;
02248
02249 _thd.selend.x = TileX(to) * TILE_SIZE;
02250 _thd.selend.y = TileY(to) * TILE_SIZE;
02251 _thd.selstart.x = TileX(from) * TILE_SIZE;
02252 _thd.selstart.y = TileY(from) * TILE_SIZE;
02253 _thd.next_drawstyle = HT_RECT;
02254
02255
02256 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02257 }
02258
02259 static void VpStartPreSizing()
02260 {
02261 _thd.selend.x = -1;
02262 _special_mouse_mode = WSM_PRESIZE;
02263 }
02264
02269 static HighLightStyle Check2x1AutoRail(int mode)
02270 {
02271 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02272 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02273 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02274 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02275
02276 switch (mode) {
02277 default: NOT_REACHED();
02278 case 0:
02279 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02280 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02281 return HT_DIR_Y;
02282
02283 case 1:
02284 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02285 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02286 return HT_DIR_Y;
02287
02288 case 2:
02289 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02290 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02291 return HT_DIR_X;
02292
02293 case 3:
02294 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02295 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02296 return HT_DIR_X;
02297 }
02298 }
02299
02313 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02314 {
02315 uint start_x = TileX(start_tile);
02316 uint start_y = TileY(start_tile);
02317 uint end_x = TileX(end_tile);
02318 uint end_y = TileY(end_tile);
02319
02320 switch (style & HT_DRAG_MASK) {
02321 case HT_RAIL:
02322 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02323
02324 case HT_RECT:
02325 case HT_POINT: return (end_x != start_x && end_y < start_y);
02326 default: NOT_REACHED();
02327 }
02328
02329 return false;
02330 }
02331
02347 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02348 {
02349 bool swap = SwapDirection(style, start_tile, end_tile);
02350 uint h0, h1;
02351
02352 if (start_tile == end_tile) return 0;
02353 if (swap) Swap(start_tile, end_tile);
02354
02355 switch (style & HT_DRAG_MASK) {
02356 case HT_RECT: {
02357 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02358 {1, 0}, {0, 0},
02359 {0, 1}, {1, 1}
02360 };
02361
02362
02363
02364 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02365 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02366 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02367
02368 }
02369
02370 case HT_POINT:
02371 h0 = TileHeight(start_tile);
02372 h1 = TileHeight(end_tile);
02373 break;
02374 default: {
02375 static const HighLightStyle flip_style_direction[] = {
02376 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02377 };
02378 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02379 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02380 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02381 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02382
02383 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02384 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02385 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02386 };
02387
02388 distance %= 2;
02389 style &= HT_DIR_MASK;
02390
02391
02392
02393
02394
02395 if (swap && distance == 0) style = flip_style_direction[style];
02396
02397
02398 byte style_t = style * 2;
02399 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02400 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02401 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02402 h0 = max(h0, ht);
02403
02404
02405
02406 if (distance == 0) style_t = flip_style_direction[style] * 2;
02407 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02408 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02409 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02410 h1 = max(h1, ht);
02411 break;
02412 }
02413 }
02414
02415 if (swap) Swap(h0, h1);
02416 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02417 }
02418
02419 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02420
02427 static void CheckUnderflow(int &test, int &other, int mult)
02428 {
02429 if (test >= 0) return;
02430
02431 other += mult * test;
02432 test = 0;
02433 }
02434
02442 static void CheckOverflow(int &test, int &other, int max, int mult)
02443 {
02444 if (test <= max) return;
02445
02446 other += mult * (test - max);
02447 test = max;
02448 }
02449
02451 static void CalcRaildirsDrawstyle(int x, int y, int method)
02452 {
02453 HighLightStyle b;
02454
02455 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02456 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02457 uint w = abs(dx) + TILE_SIZE;
02458 uint h = abs(dy) + TILE_SIZE;
02459
02460 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02461
02462 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02463 int raw_dx = _thd.selstart.x - _thd.selend.x;
02464 int raw_dy = _thd.selstart.y - _thd.selend.y;
02465 switch (method) {
02466 case VPM_FIX_X:
02467 b = HT_LINE | HT_DIR_Y;
02468 x = _thd.selstart.x;
02469 break;
02470
02471 case VPM_FIX_Y:
02472 b = HT_LINE | HT_DIR_X;
02473 y = _thd.selstart.y;
02474 break;
02475
02476 case VPM_FIX_HORIZONTAL:
02477 if (dx == -dy) {
02478
02479
02480 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02481 } else {
02482
02483
02484 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02485
02486
02487
02488
02489 int offset = (raw_dx - raw_dy) / 2;
02490 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02491 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02492
02493
02494 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02495 if (dx + dy >= (int)TILE_SIZE) {
02496 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02497 } else {
02498 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02499 }
02500 }
02501
02502
02503 CheckUnderflow(x, y, 1);
02504 CheckUnderflow(y, x, 1);
02505 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02506 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02507 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02508 }
02509 break;
02510
02511 case VPM_FIX_VERTICAL:
02512 if (dx == dy) {
02513
02514
02515 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02516 } else {
02517
02518
02519 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02520
02521
02522
02523
02524 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02525 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02526 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02527
02528
02529 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02530 if (dx - dy < 0) {
02531 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02532 } else {
02533 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02534 }
02535 }
02536
02537
02538 CheckUnderflow(x, y, -1);
02539 CheckUnderflow(y, x, -1);
02540 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02541 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02542 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02543 }
02544 break;
02545
02546 default:
02547 NOT_REACHED();
02548 }
02549 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02550 if (method & VPM_RAILDIRS) {
02551 b = GetAutorailHT(x, y);
02552 } else {
02553 b = HT_RECT;
02554 }
02555 } else if (h == TILE_SIZE) {
02556 if (dx == (int)TILE_SIZE) {
02557 b = (Check2x1AutoRail(3)) | HT_LINE;
02558 } else if (dx == -(int)TILE_SIZE) {
02559 b = (Check2x1AutoRail(2)) | HT_LINE;
02560 } else {
02561 b = HT_LINE | HT_DIR_X;
02562 }
02563 y = _thd.selstart.y;
02564 } else if (w == TILE_SIZE) {
02565 if (dy == (int)TILE_SIZE) {
02566 b = (Check2x1AutoRail(1)) | HT_LINE;
02567 } else if (dy == -(int)TILE_SIZE) {
02568 b = (Check2x1AutoRail(0)) | HT_LINE;
02569 } else {
02570 b = HT_LINE | HT_DIR_Y;
02571 }
02572 x = _thd.selstart.x;
02573 } else if (w > h * 2) {
02574 b = HT_LINE | HT_DIR_X;
02575 y = _thd.selstart.y;
02576 } else if (h > w * 2) {
02577 b = HT_LINE | HT_DIR_Y;
02578 x = _thd.selstart.x;
02579 } else {
02580 int d = w - h;
02581 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
02582 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
02583
02584
02585 if (x > _thd.selstart.x) {
02586 if (y > _thd.selstart.y) {
02587
02588 if (d == 0) {
02589 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02590 } else if (d >= 0) {
02591 x = _thd.selstart.x + h;
02592 b = HT_LINE | HT_DIR_VL;
02593 } else {
02594 y = _thd.selstart.y + w;
02595 b = HT_LINE | HT_DIR_VR;
02596 }
02597 } else {
02598
02599 if (d == 0) {
02600 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02601 } else if (d >= 0) {
02602 x = _thd.selstart.x + h;
02603 b = HT_LINE | HT_DIR_HL;
02604 } else {
02605 y = _thd.selstart.y - w;
02606 b = HT_LINE | HT_DIR_HU;
02607 }
02608 }
02609 } else {
02610 if (y > _thd.selstart.y) {
02611
02612 if (d == 0) {
02613 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02614 } else if (d >= 0) {
02615 x = _thd.selstart.x - h;
02616 b = HT_LINE | HT_DIR_HU;
02617 } else {
02618 y = _thd.selstart.y + w;
02619 b = HT_LINE | HT_DIR_HL;
02620 }
02621 } else {
02622
02623 if (d == 0) {
02624 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02625 } else if (d >= 0) {
02626 x = _thd.selstart.x - h;
02627 b = HT_LINE | HT_DIR_VR;
02628 } else {
02629 y = _thd.selstart.y - w;
02630 b = HT_LINE | HT_DIR_VL;
02631 }
02632 }
02633 }
02634 }
02635
02636 if (_settings_client.gui.measure_tooltip) {
02637 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02638 TileIndex t1 = TileVirtXY(x, y);
02639 uint distance = DistanceManhattan(t0, t1) + 1;
02640 byte index = 0;
02641 uint64 params[2];
02642
02643 if (distance != 1) {
02644 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02645
02646
02647
02648 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02649 distance = CeilDiv(distance, 2);
02650 }
02651
02652 params[index++] = distance;
02653 if (heightdiff != 0) params[index++] = heightdiff;
02654 }
02655
02656 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02657 }
02658
02659 _thd.selend.x = x;
02660 _thd.selend.y = y;
02661 _thd.next_drawstyle = b;
02662 }
02663
02671 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02672 {
02673 int sx, sy;
02674 HighLightStyle style;
02675
02676 if (x == -1) {
02677 _thd.selend.x = -1;
02678 return;
02679 }
02680
02681
02682 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02683 _thd.selend.x = x;
02684 _thd.selend.y = y;
02685 CalcRaildirsDrawstyle(x, y, method);
02686 return;
02687 }
02688
02689
02690 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02691 x += TILE_SIZE / 2;
02692 y += TILE_SIZE / 2;
02693 }
02694
02695 sx = _thd.selstart.x;
02696 sy = _thd.selstart.y;
02697
02698 int limit = 0;
02699
02700 switch (method) {
02701 case VPM_X_OR_Y:
02702 if (abs(sy - y) < abs(sx - x)) {
02703 y = sy;
02704 style = HT_DIR_X;
02705 } else {
02706 x = sx;
02707 style = HT_DIR_Y;
02708 }
02709 goto calc_heightdiff_single_direction;
02710
02711 case VPM_X_LIMITED:
02712 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02713
02714
02715 case VPM_FIX_X:
02716 x = sx;
02717 style = HT_DIR_Y;
02718 goto calc_heightdiff_single_direction;
02719
02720 case VPM_Y_LIMITED:
02721 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02722
02723
02724 case VPM_FIX_Y:
02725 y = sy;
02726 style = HT_DIR_X;
02727
02728 calc_heightdiff_single_direction:;
02729 if (limit > 0) {
02730 x = sx + Clamp(x - sx, -limit, limit);
02731 y = sy + Clamp(y - sy, -limit, limit);
02732 }
02733 if (_settings_client.gui.measure_tooltip) {
02734 TileIndex t0 = TileVirtXY(sx, sy);
02735 TileIndex t1 = TileVirtXY(x, y);
02736 uint distance = DistanceManhattan(t0, t1) + 1;
02737 byte index = 0;
02738 uint64 params[2];
02739
02740 if (distance != 1) {
02741
02742
02743
02744
02745
02746 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02747
02748 params[index++] = distance;
02749 if (heightdiff != 0) params[index++] = heightdiff;
02750 }
02751
02752 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02753 }
02754 break;
02755
02756 case VPM_X_AND_Y_LIMITED:
02757 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02758 x = sx + Clamp(x - sx, -limit, limit);
02759 y = sy + Clamp(y - sy, -limit, limit);
02760
02761
02762 case VPM_X_AND_Y:
02763 if (_settings_client.gui.measure_tooltip) {
02764 static const StringID measure_strings_area[] = {
02765 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02766 };
02767
02768 TileIndex t0 = TileVirtXY(sx, sy);
02769 TileIndex t1 = TileVirtXY(x, y);
02770 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02771 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02772 byte index = 0;
02773 uint64 params[3];
02774
02775
02776
02777 style = (HighLightStyle)_thd.next_drawstyle;
02778 if (_thd.IsDraggingDiagonal()) {
02779
02780
02781
02782
02783
02784
02785
02786
02787
02788
02789 int dist_x = TileX(t0) - TileX(t1);
02790 int dist_y = TileY(t0) - TileY(t1);
02791 int a_max = dist_x + dist_y;
02792 int b_max = dist_y - dist_x;
02793
02794
02795
02796 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02797 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02798
02799
02800
02801
02802
02803 if (a_max != 1 || b_max != 1) {
02804 dx = a_max;
02805 dy = b_max;
02806 }
02807 } else if (style & HT_RECT) {
02808 if (dx == 1) {
02809 style = HT_LINE | HT_DIR_Y;
02810 } else if (dy == 1) {
02811 style = HT_LINE | HT_DIR_X;
02812 }
02813 }
02814
02815 if (dx != 1 || dy != 1) {
02816 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02817
02818 params[index++] = dx - (style & HT_POINT ? 1 : 0);
02819 params[index++] = dy - (style & HT_POINT ? 1 : 0);
02820 if (heightdiff != 0) params[index++] = heightdiff;
02821 }
02822
02823 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02824 }
02825 break;
02826
02827 default: NOT_REACHED();
02828 }
02829
02830 _thd.selend.x = x;
02831 _thd.selend.y = y;
02832 }
02833
02838 EventState VpHandlePlaceSizingDrag()
02839 {
02840 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02841
02842
02843 Window *w = _thd.GetCallbackWnd();
02844 if (w == NULL) {
02845 ResetObjectToPlace();
02846 return ES_HANDLED;
02847 }
02848
02849
02850 if (_left_button_down) {
02851 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02852 return ES_HANDLED;
02853 }
02854
02855
02856
02857 _special_mouse_mode = WSM_NONE;
02858 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02859 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02860 _thd.place_mode = HT_RECT | others;
02861 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02862 _thd.place_mode = HT_RECT | others;
02863 } else if (_thd.select_method & VPM_RAILDIRS) {
02864 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02865 } else {
02866 _thd.place_mode = HT_POINT | others;
02867 }
02868 SetTileSelectSize(1, 1);
02869
02870 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02871
02872 return ES_HANDLED;
02873 }
02874
02875 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02876 {
02877 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02878 }
02879
02880 #include "table/animcursors.h"
02881
02882 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02883 {
02884 if (_thd.window_class != WC_INVALID) {
02885
02886 Window *w = _thd.GetCallbackWnd();
02887
02888
02889
02890
02891
02892 _thd.window_class = WC_INVALID;
02893 if (w != NULL) w->OnPlaceObjectAbort();
02894 }
02895
02896
02897 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02898
02899 SetTileSelectSize(1, 1);
02900
02901 _thd.make_square_red = false;
02902
02903 if (mode == HT_DRAG) {
02904 mode = HT_NONE;
02905 _special_mouse_mode = WSM_DRAGDROP;
02906 } else {
02907 _special_mouse_mode = WSM_NONE;
02908 }
02909
02910 _thd.place_mode = mode;
02911 _thd.window_class = window_class;
02912 _thd.window_number = window_num;
02913
02914 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
02915 VpStartPreSizing();
02916 }
02917
02918 if ((icon & ANIMCURSOR_FLAG) != 0) {
02919 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02920 } else {
02921 SetMouseCursor(icon, pal);
02922 }
02923
02924 }
02925
02926 void ResetObjectToPlace()
02927 {
02928 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02929 }