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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 #include "table/palettes.h"
00051
00052 Point _tile_fract_coords;
00053
00054 struct StringSpriteToDraw {
00055 StringID string;
00056 Colours colour;
00057 int32 x;
00058 int32 y;
00059 uint64 params[2];
00060 uint16 width;
00061 };
00062
00063 struct TileSpriteToDraw {
00064 SpriteID image;
00065 PaletteID pal;
00066 const SubSprite *sub;
00067 int32 x;
00068 int32 y;
00069 };
00070
00071 struct ChildScreenSpriteToDraw {
00072 SpriteID image;
00073 PaletteID pal;
00074 const SubSprite *sub;
00075 int32 x;
00076 int32 y;
00077 int next;
00078 };
00079
00081 struct ParentSpriteToDraw {
00082 SpriteID image;
00083 PaletteID pal;
00084 const SubSprite *sub;
00085
00086 int32 x;
00087 int32 y;
00088
00089 int32 left;
00090 int32 top;
00091
00092 int32 xmin;
00093 int32 xmax;
00094 int32 ymin;
00095 int32 ymax;
00096 int zmin;
00097 int zmax;
00098
00099 int first_child;
00100 bool comparison_done;
00101 };
00102
00104 enum FoundationPart {
00105 FOUNDATION_PART_NONE = 0xFF,
00106 FOUNDATION_PART_NORMAL = 0,
00107 FOUNDATION_PART_HALFTILE = 1,
00108 FOUNDATION_PART_END
00109 };
00110
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 void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom);
00148
00149 static ViewportDrawer _vd;
00150
00151 TileHighlightData _thd;
00152 static TileInfo *_cur_ti;
00153 bool _draw_bounding_boxes = false;
00154 bool _draw_dirty_blocks = false;
00155 uint _dirty_block_colour = 0;
00156
00157 static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
00158 {
00159 Point p = RemapCoords(x, y, z);
00160 p.x -= vp->virtual_width / 2;
00161 p.y -= vp->virtual_height / 2;
00162 return p;
00163 }
00164
00165 void DeleteWindowViewport(Window *w)
00166 {
00167 free(w->viewport);
00168 w->viewport = NULL;
00169 }
00170
00183 void InitializeWindowViewport(Window *w, int x, int y,
00184 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00185 {
00186 assert(w->viewport == NULL);
00187
00188 ViewportData *vp = CallocT<ViewportData>(1);
00189
00190 vp->left = x + w->left;
00191 vp->top = y + w->top;
00192 vp->width = width;
00193 vp->height = height;
00194
00195 vp->zoom = static_cast<ZoomLevel>(Clamp(zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
00196
00197 vp->virtual_width = ScaleByZoom(width, zoom);
00198 vp->virtual_height = ScaleByZoom(height, zoom);
00199
00200 Point pt;
00201
00202 if (follow_flags & 0x80000000) {
00203 const Vehicle *veh;
00204
00205 vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFFF);
00206 veh = Vehicle::Get(vp->follow_vehicle);
00207 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00208 } else {
00209 uint x = TileX(follow_flags) * TILE_SIZE;
00210 uint y = TileY(follow_flags) * TILE_SIZE;
00211
00212 vp->follow_vehicle = INVALID_VEHICLE;
00213 pt = MapXYZToViewport(vp, x, y, GetSlopePixelZ(x, y));
00214 }
00215
00216 vp->scrollpos_x = pt.x;
00217 vp->scrollpos_y = pt.y;
00218 vp->dest_scrollpos_x = pt.x;
00219 vp->dest_scrollpos_y = pt.y;
00220
00221 w->viewport = vp;
00222 vp->virtual_left = 0;
00223 vp->virtual_top = 0;
00224 }
00225
00226 static Point _vp_move_offs;
00227
00228 static void DoSetViewportPosition(const Window *w, int left, int top, int width, int height)
00229 {
00230 FOR_ALL_WINDOWS_FROM_BACK_FROM(w, w) {
00231 if (left + width > w->left &&
00232 w->left + w->width > left &&
00233 top + height > w->top &&
00234 w->top + w->height > top) {
00235
00236 if (left < w->left) {
00237 DoSetViewportPosition(w, left, top, w->left - left, height);
00238 DoSetViewportPosition(w, left + (w->left - left), top, width - (w->left - left), height);
00239 return;
00240 }
00241
00242 if (left + width > w->left + w->width) {
00243 DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
00244 DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
00245 return;
00246 }
00247
00248 if (top < w->top) {
00249 DoSetViewportPosition(w, left, top, width, (w->top - top));
00250 DoSetViewportPosition(w, left, top + (w->top - top), width, height - (w->top - top));
00251 return;
00252 }
00253
00254 if (top + height > w->top + w->height) {
00255 DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
00256 DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
00257 return;
00258 }
00259
00260 return;
00261 }
00262 }
00263
00264 {
00265 int xo = _vp_move_offs.x;
00266 int yo = _vp_move_offs.y;
00267
00268 if (abs(xo) >= width || abs(yo) >= height) {
00269
00270 RedrawScreenRect(left, top, left + width, top + height);
00271 return;
00272 }
00273
00274 GfxScroll(left, top, width, height, xo, yo);
00275
00276 if (xo > 0) {
00277 RedrawScreenRect(left, top, xo + left, top + height);
00278 left += xo;
00279 width -= xo;
00280 } else if (xo < 0) {
00281 RedrawScreenRect(left + width + xo, top, left + width, top + height);
00282 width += xo;
00283 }
00284
00285 if (yo > 0) {
00286 RedrawScreenRect(left, top, width + left, top + yo);
00287 } else if (yo < 0) {
00288 RedrawScreenRect(left, top + height + yo, width + left, top + height);
00289 }
00290 }
00291 }
00292
00293 static void SetViewportPosition(Window *w, int x, int y)
00294 {
00295 ViewPort *vp = w->viewport;
00296 int old_left = vp->virtual_left;
00297 int old_top = vp->virtual_top;
00298 int i;
00299 int left, top, width, height;
00300
00301 vp->virtual_left = x;
00302 vp->virtual_top = y;
00303
00304
00305
00306
00307 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00308 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00309 x = UnScaleByZoomLower(x, vp->zoom);
00310 y = UnScaleByZoomLower(y, vp->zoom);
00311
00312 old_left -= x;
00313 old_top -= y;
00314
00315 if (old_top == 0 && old_left == 0) return;
00316
00317 _vp_move_offs.x = old_left;
00318 _vp_move_offs.y = old_top;
00319
00320 left = vp->left;
00321 top = vp->top;
00322 width = vp->width;
00323 height = vp->height;
00324
00325 if (left < 0) {
00326 width += left;
00327 left = 0;
00328 }
00329
00330 i = left + width - _screen.width;
00331 if (i >= 0) width -= i;
00332
00333 if (width > 0) {
00334 if (top < 0) {
00335 height += top;
00336 top = 0;
00337 }
00338
00339 i = top + height - _screen.height;
00340 if (i >= 0) height -= i;
00341
00342 if (height > 0) DoSetViewportPosition(w->z_front, left, top, width, height);
00343 }
00344 }
00345
00354 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00355 {
00356 ViewPort *vp = w->viewport;
00357
00358 if (vp != NULL &&
00359 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00360 IsInsideMM(y, vp->top, vp->top + vp->height))
00361 return vp;
00362
00363 return NULL;
00364 }
00365
00373 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00374 {
00375 Point pt;
00376 int a, b;
00377 int z;
00378
00379 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00380 (uint)(y -= vp->top) >= (uint)vp->height) {
00381 Point pt = {-1, -1};
00382 return pt;
00383 }
00384
00385 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> (2 + ZOOM_LVL_SHIFT);
00386 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> (1 + ZOOM_LVL_SHIFT);
00387
00388 a = y - x;
00389 b = y + x;
00390
00391
00392
00393
00394 a = Clamp(a, -4 * (int)TILE_SIZE, (int)(MapMaxX() * TILE_SIZE) - 1);
00395 b = Clamp(b, -4 * (int)TILE_SIZE, (int)(MapMaxY() * TILE_SIZE) - 1);
00396
00397
00398
00399
00400
00401
00402
00403
00404 z = 0;
00405
00406 int min_coord = _settings_game.construction.freeform_edges ? TILE_SIZE : 0;
00407
00408 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;
00409 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;
00410 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;
00411
00412 pt.x = Clamp(a + z, min_coord, MapMaxX() * TILE_SIZE - 1);
00413 pt.y = Clamp(b + z, min_coord, MapMaxY() * TILE_SIZE - 1);
00414
00415 return pt;
00416 }
00417
00418
00419
00420
00421 static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
00422 {
00423 Window *w;
00424 ViewPort *vp;
00425 Point pt;
00426
00427 if ( (w = FindWindowFromPt(x, y)) != NULL &&
00428 (vp = IsPtInWindowViewport(w, x, y)) != NULL)
00429 return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
00430
00431 pt.y = pt.x = -1;
00432 return pt;
00433 }
00434
00435 Point GetTileBelowCursor()
00436 {
00437 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
00438 }
00439
00440
00441 Point GetTileZoomCenterWindow(bool in, Window * w)
00442 {
00443 int x, y;
00444 ViewPort *vp = w->viewport;
00445
00446 if (in) {
00447 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00448 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00449 } else {
00450 x = vp->width - (_cursor.pos.x - vp->left);
00451 y = vp->height - (_cursor.pos.y - vp->top);
00452 }
00453
00454 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00455 }
00456
00465 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00466 {
00467 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom <= _settings_client.gui.zoom_min);
00468 w->SetWidgetDirty(widget_zoom_in);
00469
00470 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom >= _settings_client.gui.zoom_max);
00471 w->SetWidgetDirty(widget_zoom_out);
00472 }
00473
00486 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)
00487 {
00488 assert((image & SPRITE_MASK) < MAX_SPRITES);
00489
00490 TileSpriteToDraw *ts = _vd.tile_sprites_to_draw.Append();
00491 ts->image = image;
00492 ts->pal = pal;
00493 ts->sub = sub;
00494 Point pt = RemapCoords(x, y, z);
00495 ts->x = pt.x + extra_offs_x;
00496 ts->y = pt.y + extra_offs_y;
00497 }
00498
00511 static void AddChildSpriteToFoundation(SpriteID image, PaletteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00512 {
00513 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00514 assert(_vd.foundation[foundation_part] != -1);
00515 Point offs = _vd.foundation_offset[foundation_part];
00516
00517
00518 int *old_child = _vd.last_child;
00519 _vd.last_child = _vd.last_foundation_child[foundation_part];
00520
00521 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub, false);
00522
00523
00524 _vd.last_child = old_child;
00525 }
00526
00540 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00541 {
00542
00543 if (_vd.foundation_part == FOUNDATION_PART_NONE) _vd.foundation_part = FOUNDATION_PART_NORMAL;
00544
00545 if (_vd.foundation[_vd.foundation_part] != -1) {
00546 Point pt = RemapCoords(x, y, z);
00547 AddChildSpriteToFoundation(image, pal, sub, _vd.foundation_part, pt.x + extra_offs_x * ZOOM_LVL_BASE, pt.y + extra_offs_y * ZOOM_LVL_BASE);
00548 } else {
00549 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);
00550 }
00551 }
00552
00563 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub, int extra_offs_x, int extra_offs_y)
00564 {
00565 DrawGroundSpriteAt(image, pal, 0, 0, 0, sub, extra_offs_x, extra_offs_y);
00566 }
00567
00575 void OffsetGroundSprite(int x, int y)
00576 {
00577
00578 switch (_vd.foundation_part) {
00579 case FOUNDATION_PART_NONE:
00580 _vd.foundation_part = FOUNDATION_PART_NORMAL;
00581 break;
00582 case FOUNDATION_PART_NORMAL:
00583 _vd.foundation_part = FOUNDATION_PART_HALFTILE;
00584 break;
00585 default: NOT_REACHED();
00586 }
00587
00588
00589 if (_vd.last_child != NULL) _vd.foundation[_vd.foundation_part] = _vd.parent_sprites_to_draw.Length() - 1;
00590
00591 _vd.foundation_offset[_vd.foundation_part].x = x * ZOOM_LVL_BASE;
00592 _vd.foundation_offset[_vd.foundation_part].y = y * ZOOM_LVL_BASE;
00593 _vd.last_foundation_child[_vd.foundation_part] = _vd.last_child;
00594 }
00595
00607 static void AddCombinedSprite(SpriteID image, PaletteID pal, int x, int y, int z, const SubSprite *sub)
00608 {
00609 Point pt = RemapCoords(x, y, z);
00610 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00611
00612 if (pt.x + spr->x_offs >= _vd.dpi.left + _vd.dpi.width ||
00613 pt.x + spr->x_offs + spr->width <= _vd.dpi.left ||
00614 pt.y + spr->y_offs >= _vd.dpi.top + _vd.dpi.height ||
00615 pt.y + spr->y_offs + spr->height <= _vd.dpi.top)
00616 return;
00617
00618 const ParentSpriteToDraw *pstd = _vd.parent_sprites_to_draw.End() - 1;
00619 AddChildSpriteScreen(image, pal, pt.x - pstd->left, pt.y - pstd->top, false, sub, false);
00620 }
00621
00647 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)
00648 {
00649 int32 left, right, top, bottom;
00650
00651 assert((image & SPRITE_MASK) < MAX_SPRITES);
00652
00653
00654 if (transparent) {
00655 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00656 pal = PALETTE_TO_TRANSPARENT;
00657 }
00658
00659 if (_vd.combine_sprites == SPRITE_COMBINE_ACTIVE) {
00660 AddCombinedSprite(image, pal, x, y, z, sub);
00661 return;
00662 }
00663
00664 _vd.last_child = NULL;
00665
00666 Point pt = RemapCoords(x, y, z);
00667 int tmp_left, tmp_top, tmp_x = pt.x, tmp_y = pt.y;
00668
00669
00670 if (image == SPR_EMPTY_BOUNDING_BOX) {
00671 left = tmp_left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00672 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00673 top = tmp_top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00674 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00675 } else {
00676 const Sprite *spr = GetSprite(image & SPRITE_MASK, ST_NORMAL);
00677 left = tmp_left = (pt.x += spr->x_offs);
00678 right = (pt.x + spr->width );
00679 top = tmp_top = (pt.y += spr->y_offs);
00680 bottom = (pt.y + spr->height);
00681 }
00682
00683 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00684
00685 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00686 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00687 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00688 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00689 }
00690
00691
00692 if (left >= _vd.dpi.left + _vd.dpi.width ||
00693 right <= _vd.dpi.left ||
00694 top >= _vd.dpi.top + _vd.dpi.height ||
00695 bottom <= _vd.dpi.top) {
00696 return;
00697 }
00698
00699 ParentSpriteToDraw *ps = _vd.parent_sprites_to_draw.Append();
00700 ps->x = tmp_x;
00701 ps->y = tmp_y;
00702
00703 ps->left = tmp_left;
00704 ps->top = tmp_top;
00705
00706 ps->image = image;
00707 ps->pal = pal;
00708 ps->sub = sub;
00709 ps->xmin = x + bb_offset_x;
00710 ps->xmax = x + max(bb_offset_x, w) - 1;
00711
00712 ps->ymin = y + bb_offset_y;
00713 ps->ymax = y + max(bb_offset_y, h) - 1;
00714
00715 ps->zmin = z + bb_offset_z;
00716 ps->zmax = z + max(bb_offset_z, dz) - 1;
00717
00718 ps->comparison_done = false;
00719 ps->first_child = -1;
00720
00721 _vd.last_child = &ps->first_child;
00722
00723 if (_vd.combine_sprites == SPRITE_COMBINE_PENDING) _vd.combine_sprites = SPRITE_COMBINE_ACTIVE;
00724 }
00725
00744 void StartSpriteCombine()
00745 {
00746 assert(_vd.combine_sprites == SPRITE_COMBINE_NONE);
00747 _vd.combine_sprites = SPRITE_COMBINE_PENDING;
00748 }
00749
00754 void EndSpriteCombine()
00755 {
00756 assert(_vd.combine_sprites != SPRITE_COMBINE_NONE);
00757 _vd.combine_sprites = SPRITE_COMBINE_NONE;
00758 }
00759
00769 static bool IsInRangeInclusive(int begin, int end, int check)
00770 {
00771 if (begin > end) Swap(begin, end);
00772 return begin <= check && check <= end;
00773 }
00774
00781 bool IsInsideRotatedRectangle(int x, int y)
00782 {
00783 int dist_a = (_thd.size.x + _thd.size.y);
00784 int dist_b = (_thd.size.x - _thd.size.y);
00785 int a = ((x - _thd.pos.x) + (y - _thd.pos.y));
00786 int b = ((x - _thd.pos.x) - (y - _thd.pos.y));
00787
00788
00789 return IsInRangeInclusive(dist_a, 0, a) && IsInRangeInclusive(dist_b, 0, b);
00790 }
00791
00802 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent, const SubSprite *sub, bool scale)
00803 {
00804 assert((image & SPRITE_MASK) < MAX_SPRITES);
00805
00806
00807 if (_vd.last_child == NULL) return;
00808
00809
00810 if (transparent) {
00811 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00812 pal = PALETTE_TO_TRANSPARENT;
00813 }
00814
00815 *_vd.last_child = _vd.child_screen_sprites_to_draw.Length();
00816
00817 ChildScreenSpriteToDraw *cs = _vd.child_screen_sprites_to_draw.Append();
00818 cs->image = image;
00819 cs->pal = pal;
00820 cs->sub = sub;
00821 cs->x = scale ? x * ZOOM_LVL_BASE : x;
00822 cs->y = scale ? y * ZOOM_LVL_BASE : y;
00823 cs->next = -1;
00824
00825
00826
00827
00828 if (_vd.last_foundation_child[0] == _vd.last_child) _vd.last_foundation_child[0] = &cs->next;
00829 if (_vd.last_foundation_child[1] == _vd.last_child) _vd.last_foundation_child[1] = &cs->next;
00830 _vd.last_child = &cs->next;
00831 }
00832
00833 static void AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2, Colours colour, uint16 width)
00834 {
00835 assert(width != 0);
00836 StringSpriteToDraw *ss = _vd.string_sprites_to_draw.Append();
00837 ss->string = string;
00838 ss->x = x;
00839 ss->y = y;
00840 ss->params[0] = params_1;
00841 ss->params[1] = params_2;
00842 ss->width = width;
00843 ss->colour = colour;
00844 }
00845
00846
00858 static void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00859 {
00860
00861 if (_vd.foundation[foundation_part] == -1) {
00862
00863 AddTileSpriteToDraw(image, pal, ti->x, ti->y, ti->z + z_offset);
00864 } else {
00865
00866 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset * ZOOM_LVL_BASE);
00867 }
00868 }
00869
00876 static void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal)
00877 {
00878 if (!IsValidTile(ti->tile)) return;
00879
00880 SpriteID sel;
00881 if (IsHalftileSlope(ti->tileh)) {
00882 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00883 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00884 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00885
00886 Corner opposite_corner = OppositeCorner(halftile_corner);
00887 if (IsSteepSlope(ti->tileh)) {
00888 sel = SPR_HALFTILE_SELECTION_DOWN;
00889 } else {
00890 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00891 }
00892 sel += opposite_corner;
00893 } else {
00894 sel = SPR_SELECT_TILE + SlopeToSpriteOffset(ti->tileh);
00895 }
00896 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00897 }
00898
00899 static bool IsPartOfAutoLine(int px, int py)
00900 {
00901 px -= _thd.selstart.x;
00902 py -= _thd.selstart.y;
00903
00904 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_LINE) return false;
00905
00906 switch (_thd.drawstyle & HT_DIR_MASK) {
00907 case HT_DIR_X: return py == 0;
00908 case HT_DIR_Y: return px == 0;
00909 case HT_DIR_HU: return px == -py || px == -py - 16;
00910 case HT_DIR_HL: return px == -py || px == -py + 16;
00911 case HT_DIR_VL: return px == py || px == py + 16;
00912 case HT_DIR_VR: return px == py || px == py - 16;
00913 default:
00914 NOT_REACHED();
00915 }
00916 }
00917
00918
00919 static const HighLightStyle _autorail_type[6][2] = {
00920 { HT_DIR_X, HT_DIR_X },
00921 { HT_DIR_Y, HT_DIR_Y },
00922 { HT_DIR_HU, HT_DIR_HL },
00923 { HT_DIR_HL, HT_DIR_HU },
00924 { HT_DIR_VL, HT_DIR_VR },
00925 { HT_DIR_VR, HT_DIR_VL }
00926 };
00927
00928 #include "table/autorail.h"
00929
00936 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00937 {
00938 SpriteID image;
00939 PaletteID pal;
00940 int offset;
00941
00942 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00943 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00944 if (IsHalftileSlope(ti->tileh)) {
00945 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00946 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00947 if (autorail_type != _lower_rail[halftile_corner]) {
00948 foundation_part = FOUNDATION_PART_HALFTILE;
00949
00950 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00951 }
00952 }
00953
00954 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00955 if (offset >= 0) {
00956 image = SPR_AUTORAIL_BASE + offset;
00957 pal = PAL_NONE;
00958 } else {
00959 image = SPR_AUTORAIL_BASE - offset;
00960 pal = PALETTE_SEL_TILE_RED;
00961 }
00962
00963 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00964 }
00965
00970 static void DrawTileSelection(const TileInfo *ti)
00971 {
00972
00973 bool is_redsq = _thd.redsq == ti->tile;
00974 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00975
00976
00977 if ((_thd.drawstyle & HT_DRAG_MASK) == HT_NONE) return;
00978
00979 if (_thd.diagonal) {
00980 if (IsInsideRotatedRectangle((int)ti->x, (int)ti->y)) goto draw_inner;
00981 return;
00982 }
00983
00984
00985 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00986 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00987 draw_inner:
00988 if (_thd.drawstyle & HT_RECT) {
00989 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00990 } else if (_thd.drawstyle & HT_POINT) {
00991
00992 int z = 0;
00993 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00994 if (ti->tileh & SLOPE_N) {
00995 z += TILE_HEIGHT;
00996 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00997 }
00998 if (IsHalftileSlope(ti->tileh)) {
00999 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
01000 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
01001 if (halftile_corner != CORNER_S) {
01002 foundation_part = FOUNDATION_PART_HALFTILE;
01003 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
01004 }
01005 }
01006 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
01007 } else if (_thd.drawstyle & HT_RAIL) {
01008
01009 HighLightStyle type = _thd.drawstyle & HT_DIR_MASK;
01010 assert(type < HT_DIR_END);
01011 DrawAutorailSelection(ti, _autorail_type[type][0]);
01012 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
01013
01014 HighLightStyle dir = _thd.drawstyle & HT_DIR_MASK;
01015 uint side;
01016
01017 if (dir == HT_DIR_X || dir == HT_DIR_Y) {
01018 side = 0;
01019 } else {
01020 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
01021 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
01022 }
01023
01024 DrawAutorailSelection(ti, _autorail_type[dir][side]);
01025 }
01026 return;
01027 }
01028
01029
01030 if (!is_redsq && _thd.outersize.x > 0 &&
01031 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
01032 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
01033
01034 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01035 return;
01036 }
01037 }
01038
01039 static void ViewportAddLandscape()
01040 {
01041 int x, y, width, height;
01042 TileInfo ti;
01043 bool direction;
01044
01045 _cur_ti = &ti;
01046
01047
01048 x = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) - (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT))) & ~TILE_UNIT_MASK;
01049 y = ((_vd.dpi.top >> (1 + ZOOM_LVL_SHIFT)) + (_vd.dpi.left >> (2 + ZOOM_LVL_SHIFT)) - TILE_SIZE) & ~TILE_UNIT_MASK;
01050
01051
01052 {
01053 Point pt = RemapCoords(x, y, 241);
01054 width = (_vd.dpi.left + _vd.dpi.width - pt.x + 96 * ZOOM_LVL_BASE - 1) >> (6 + ZOOM_LVL_SHIFT);
01055 height = (_vd.dpi.top + _vd.dpi.height - pt.y) >> (5 + ZOOM_LVL_SHIFT) << 1;
01056 }
01057
01058 assert(width > 0);
01059 assert(height > 0);
01060
01061 direction = false;
01062
01063 do {
01064 int width_cur = width;
01065 uint x_cur = x;
01066 uint y_cur = y;
01067
01068 do {
01069 TileType tt = MP_VOID;
01070
01071 ti.x = x_cur;
01072 ti.y = y_cur;
01073
01074 ti.z = 0;
01075
01076 ti.tileh = SLOPE_FLAT;
01077 ti.tile = INVALID_TILE;
01078
01079 if (x_cur < MapMaxX() * TILE_SIZE &&
01080 y_cur < MapMaxY() * TILE_SIZE) {
01081 TileIndex tile = TileVirtXY(x_cur, y_cur);
01082
01083 if (!_settings_game.construction.freeform_edges || (TileX(tile) != 0 && TileY(tile) != 0)) {
01084 if (x_cur == ((int)MapMaxX() - 1) * TILE_SIZE || y_cur == ((int)MapMaxY() - 1) * TILE_SIZE) {
01085 uint maxh = max<uint>(TileHeight(tile), 1);
01086 for (uint h = 0; h < maxh; h++) {
01087 AddTileSpriteToDraw(SPR_SHADOW_CELL, PAL_NONE, ti.x, ti.y, h * TILE_HEIGHT);
01088 }
01089 }
01090
01091 ti.tile = tile;
01092 ti.tileh = GetTilePixelSlope(tile, &ti.z);
01093 tt = GetTileType(tile);
01094 }
01095 }
01096
01097 _vd.foundation_part = FOUNDATION_PART_NONE;
01098 _vd.foundation[0] = -1;
01099 _vd.foundation[1] = -1;
01100 _vd.last_foundation_child[0] = NULL;
01101 _vd.last_foundation_child[1] = NULL;
01102
01103 _tile_type_procs[tt]->draw_tile_proc(&ti);
01104
01105 if ((x_cur == (int)MapMaxX() * TILE_SIZE && IsInsideMM(y_cur, 0, MapMaxY() * TILE_SIZE + 1)) ||
01106 (y_cur == (int)MapMaxY() * TILE_SIZE && IsInsideMM(x_cur, 0, MapMaxX() * TILE_SIZE + 1))) {
01107 TileIndex tile = TileVirtXY(x_cur, y_cur);
01108 ti.tile = tile;
01109 ti.tileh = GetTilePixelSlope(tile, &ti.z);
01110 tt = GetTileType(tile);
01111 }
01112 if (ti.tile != INVALID_TILE) DrawTileSelection(&ti);
01113
01114 y_cur += 0x10;
01115 x_cur -= 0x10;
01116 } while (--width_cur);
01117
01118 if ((direction ^= 1) != 0) {
01119 y += 0x10;
01120 } else {
01121 x += 0x10;
01122 }
01123 } while (--height);
01124 }
01125
01136 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)
01137 {
01138 bool small = dpi->zoom >= small_from;
01139
01140 int left = dpi->left;
01141 int top = dpi->top;
01142 int right = left + dpi->width;
01143 int bottom = top + dpi->height;
01144
01145 int sign_height = ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
01146 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, dpi->zoom);
01147
01148 if (bottom < sign->top ||
01149 top > sign->top + sign_height ||
01150 right < sign->center - sign_half_width ||
01151 left > sign->center + sign_half_width) {
01152 return;
01153 }
01154
01155 if (!small) {
01156 AddStringToDraw(sign->center - sign_half_width, sign->top, string_normal, params_1, params_2, colour, sign->width_normal);
01157 } else {
01158 int shadow_offset = 0;
01159 if (string_small_shadow != STR_NULL) {
01160 shadow_offset = 4;
01161 AddStringToDraw(sign->center - sign_half_width + shadow_offset, sign->top, string_small_shadow, params_1, params_2, INVALID_COLOUR, sign->width_small);
01162 }
01163 AddStringToDraw(sign->center - sign_half_width, sign->top - shadow_offset, string_small, params_1, params_2,
01164 colour, sign->width_small | 0x8000);
01165 }
01166 }
01167
01168 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01169 {
01170 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
01171
01172 const Town *t;
01173 FOR_ALL_TOWNS(t) {
01174 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &t->cache.sign,
01175 _settings_client.gui.population_in_label ? STR_VIEWPORT_TOWN_POP : STR_VIEWPORT_TOWN,
01176 STR_VIEWPORT_TOWN_TINY_WHITE, STR_VIEWPORT_TOWN_TINY_BLACK,
01177 t->index, t->cache.population);
01178 }
01179 }
01180
01181
01182 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01183 {
01184 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
01185
01186 const BaseStation *st;
01187 FOR_ALL_BASE_STATIONS(st) {
01188
01189 bool is_station = Station::IsExpected(st);
01190
01191
01192 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01193
01194
01195 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01196
01197 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &st->sign,
01198 is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
01199 (is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT) + 1, STR_NULL,
01200 st->index, st->facilities, (st->owner == OWNER_NONE || !st->IsInUse()) ? COLOUR_GREY : _company_colours[st->owner]);
01201 }
01202 }
01203
01204
01205 static void ViewportAddSigns(DrawPixelInfo *dpi)
01206 {
01207
01208 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
01209
01210 const Sign *si;
01211 FOR_ALL_SIGNS(si) {
01212
01213
01214
01215 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner && si->owner != OWNER_DEITY) continue;
01216
01217 ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &si->sign,
01218 STR_WHITE_SIGN,
01219 (IsTransparencySet(TO_SIGNS) || si->owner == OWNER_DEITY) ? STR_VIEWPORT_SIGN_SMALL_WHITE : STR_VIEWPORT_SIGN_SMALL_BLACK, STR_NULL,
01220 si->index, 0, (si->owner == OWNER_NONE) ? COLOUR_GREY : (si->owner == OWNER_DEITY ? INVALID_COLOUR : _company_colours[si->owner]));
01221 }
01222 }
01223
01230 void ViewportSign::UpdatePosition(int center, int top, StringID str)
01231 {
01232 if (this->width_normal != 0) this->MarkDirty();
01233
01234 this->top = top;
01235
01236 char buffer[DRAW_STRING_BUFFER];
01237
01238 GetString(buffer, str, lastof(buffer));
01239 this->width_normal = VPSM_LEFT + Align(GetStringBoundingBox(buffer).width, 2) + VPSM_RIGHT;
01240 this->center = center;
01241
01242
01243 this->width_small = VPSM_LEFT + Align(GetStringBoundingBox(buffer, FS_SMALL).width, 2) + VPSM_RIGHT;
01244
01245 this->MarkDirty();
01246 }
01247
01254 void ViewportSign::MarkDirty(ZoomLevel maxzoom) const
01255 {
01256 Rect zoomlevels[ZOOM_LVL_COUNT];
01257
01258 for (ZoomLevel zoom = ZOOM_LVL_BEGIN; zoom != ZOOM_LVL_END; zoom++) {
01259
01260 zoomlevels[zoom].left = this->center - ScaleByZoom(this->width_normal / 2 + 1, zoom);
01261 zoomlevels[zoom].top = this->top - ScaleByZoom(1, zoom);
01262 zoomlevels[zoom].right = this->center + ScaleByZoom(this->width_normal / 2 + 1, zoom);
01263 zoomlevels[zoom].bottom = this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, zoom);
01264 }
01265
01266 Window *w;
01267 FOR_ALL_WINDOWS_FROM_BACK(w) {
01268 ViewPort *vp = w->viewport;
01269 if (vp != NULL && vp->zoom <= maxzoom) {
01270 assert(vp->width != 0);
01271 Rect &zl = zoomlevels[vp->zoom];
01272 MarkViewportDirty(vp, zl.left, zl.top, zl.right, zl.bottom);
01273 }
01274 }
01275 }
01276
01277 static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
01278 {
01279 const TileSpriteToDraw *tsend = tstdv->End();
01280 for (const TileSpriteToDraw *ts = tstdv->Begin(); ts != tsend; ++ts) {
01281 DrawSpriteViewport(ts->image, ts->pal, ts->x, ts->y, ts->sub);
01282 }
01283 }
01284
01286 static void ViewportSortParentSprites(ParentSpriteToSortVector *psdv)
01287 {
01288 ParentSpriteToDraw **psdvend = psdv->End();
01289 ParentSpriteToDraw **psd = psdv->Begin();
01290 while (psd != psdvend) {
01291 ParentSpriteToDraw *ps = *psd;
01292
01293 if (ps->comparison_done) {
01294 psd++;
01295 continue;
01296 }
01297
01298 ps->comparison_done = true;
01299
01300 for (ParentSpriteToDraw **psd2 = psd + 1; psd2 != psdvend; psd2++) {
01301 ParentSpriteToDraw *ps2 = *psd2;
01302
01303 if (ps2->comparison_done) continue;
01304
01305
01306
01307
01308 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01309 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01310 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01311
01312
01313
01314
01315
01316
01317 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01318 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01319 continue;
01320 }
01321 } else {
01322
01323
01324
01325
01326 if (ps->xmax < ps2->xmin ||
01327 ps->ymax < ps2->ymin ||
01328 ps->zmax < ps2->zmin) {
01329 continue;
01330 }
01331 }
01332
01333
01334 ParentSpriteToDraw *temp = ps2;
01335 for (ParentSpriteToDraw **psd3 = psd2; psd3 > psd; psd3--) {
01336 *psd3 = *(psd3 - 1);
01337 }
01338 *psd = temp;
01339 }
01340 }
01341 }
01342
01343 static void ViewportDrawParentSprites(const ParentSpriteToSortVector *psd, const ChildScreenSpriteToDrawVector *csstdv)
01344 {
01345 const ParentSpriteToDraw * const *psd_end = psd->End();
01346 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01347 const ParentSpriteToDraw *ps = *it;
01348 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSpriteViewport(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01349
01350 int child_idx = ps->first_child;
01351 while (child_idx >= 0) {
01352 const ChildScreenSpriteToDraw *cs = csstdv->Get(child_idx);
01353 child_idx = cs->next;
01354 DrawSpriteViewport(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01355 }
01356 }
01357 }
01358
01363 static void ViewportDrawBoundingBoxes(const ParentSpriteToSortVector *psd)
01364 {
01365 const ParentSpriteToDraw * const *psd_end = psd->End();
01366 for (const ParentSpriteToDraw * const *it = psd->Begin(); it != psd_end; it++) {
01367 const ParentSpriteToDraw *ps = *it;
01368 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01369 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01370 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01371 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01372
01373 DrawBox( pt1.x, pt1.y,
01374 pt2.x - pt1.x, pt2.y - pt1.y,
01375 pt3.x - pt1.x, pt3.y - pt1.y,
01376 pt4.x - pt1.x, pt4.y - pt1.y);
01377 }
01378 }
01379
01383 static void ViewportDrawDirtyBlocks()
01384 {
01385 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
01386 const DrawPixelInfo *dpi = _cur_dpi;
01387 void *dst;
01388 int right = UnScaleByZoom(dpi->width, dpi->zoom);
01389 int bottom = UnScaleByZoom(dpi->height, dpi->zoom);
01390
01391 int colour = _string_colourmap[_dirty_block_colour & 0xF];
01392
01393 dst = dpi->dst_ptr;
01394
01395 byte bo = UnScaleByZoom(dpi->left + dpi->top, dpi->zoom) & 1;
01396 do {
01397 for (int i = (bo ^= 1); i < right; i += 2) blitter->SetPixel(dst, i, 0, (uint8)colour);
01398 dst = blitter->MoveTo(dst, 0, 1);
01399 } while (--bottom > 0);
01400 }
01401
01402 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDrawVector *sstdv)
01403 {
01404 DrawPixelInfo dp;
01405 ZoomLevel zoom;
01406
01407 _cur_dpi = &dp;
01408 dp = *dpi;
01409
01410 zoom = dp.zoom;
01411 dp.zoom = ZOOM_LVL_NORMAL;
01412
01413 dp.left = UnScaleByZoom(dp.left, zoom);
01414 dp.top = UnScaleByZoom(dp.top, zoom);
01415 dp.width = UnScaleByZoom(dp.width, zoom);
01416 dp.height = UnScaleByZoom(dp.height, zoom);
01417
01418 const StringSpriteToDraw *ssend = sstdv->End();
01419 for (const StringSpriteToDraw *ss = sstdv->Begin(); ss != ssend; ++ss) {
01420 TextColour colour = TC_BLACK;
01421 bool small = HasBit(ss->width, 15);
01422 int w = GB(ss->width, 0, 15);
01423 int x = UnScaleByZoom(ss->x, zoom);
01424 int y = UnScaleByZoom(ss->y, zoom);
01425 int h = VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM;
01426
01427 SetDParam(0, ss->params[0]);
01428 SetDParam(1, ss->params[1]);
01429
01430 if (ss->colour != INVALID_COLOUR) {
01431
01432 if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) continue;
01433
01434
01435
01436 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_WHITE_SIGN) {
01437
01438
01439 colour = (TextColour)_colour_gradient[ss->colour][6] | TC_IS_PALETTE_COLOUR;
01440 }
01441
01442
01443
01444 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_WHITE_SIGN) {
01445 DrawFrameRect(
01446 x, y, x + w, y + h, ss->colour,
01447 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01448 );
01449 }
01450 }
01451
01452 DrawString(x + VPSM_LEFT, x + w - 1 - VPSM_RIGHT, y + VPSM_TOP, ss->string, colour, SA_HOR_CENTER);
01453 }
01454 }
01455
01456 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01457 {
01458 DrawPixelInfo *old_dpi = _cur_dpi;
01459 _cur_dpi = &_vd.dpi;
01460
01461 _vd.dpi.zoom = vp->zoom;
01462 int mask = ScaleByZoom(-1, vp->zoom);
01463
01464 _vd.combine_sprites = SPRITE_COMBINE_NONE;
01465
01466 _vd.dpi.width = (right - left) & mask;
01467 _vd.dpi.height = (bottom - top) & mask;
01468 _vd.dpi.left = left & mask;
01469 _vd.dpi.top = top & mask;
01470 _vd.dpi.pitch = old_dpi->pitch;
01471 _vd.last_child = NULL;
01472
01473 int x = UnScaleByZoom(_vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01474 int y = UnScaleByZoom(_vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01475
01476 _vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01477
01478 ViewportAddLandscape();
01479 ViewportAddVehicles(&_vd.dpi);
01480
01481 ViewportAddTownNames(&_vd.dpi);
01482 ViewportAddStationNames(&_vd.dpi);
01483 ViewportAddSigns(&_vd.dpi);
01484
01485 DrawTextEffects(&_vd.dpi);
01486
01487 if (_vd.tile_sprites_to_draw.Length() != 0) ViewportDrawTileSprites(&_vd.tile_sprites_to_draw);
01488
01489 ParentSpriteToDraw *psd_end = _vd.parent_sprites_to_draw.End();
01490 for (ParentSpriteToDraw *it = _vd.parent_sprites_to_draw.Begin(); it != psd_end; it++) {
01491 *_vd.parent_sprites_to_sort.Append() = it;
01492 }
01493
01494 ViewportSortParentSprites(&_vd.parent_sprites_to_sort);
01495 ViewportDrawParentSprites(&_vd.parent_sprites_to_sort, &_vd.child_screen_sprites_to_draw);
01496
01497 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(&_vd.parent_sprites_to_sort);
01498 if (_draw_dirty_blocks) ViewportDrawDirtyBlocks();
01499
01500 if (_vd.string_sprites_to_draw.Length() != 0) ViewportDrawStrings(&_vd.dpi, &_vd.string_sprites_to_draw);
01501
01502 _cur_dpi = old_dpi;
01503
01504 _vd.string_sprites_to_draw.Clear();
01505 _vd.tile_sprites_to_draw.Clear();
01506 _vd.parent_sprites_to_draw.Clear();
01507 _vd.parent_sprites_to_sort.Clear();
01508 _vd.child_screen_sprites_to_draw.Clear();
01509 }
01510
01515 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01516 {
01517 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000 * ZOOM_LVL_BASE * ZOOM_LVL_BASE) {
01518 if ((bottom - top) > (right - left)) {
01519 int t = (top + bottom) >> 1;
01520 ViewportDrawChk(vp, left, top, right, t);
01521 ViewportDrawChk(vp, left, t, right, bottom);
01522 } else {
01523 int t = (left + right) >> 1;
01524 ViewportDrawChk(vp, left, top, t, bottom);
01525 ViewportDrawChk(vp, t, top, right, bottom);
01526 }
01527 } else {
01528 ViewportDoDraw(vp,
01529 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01530 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01531 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01532 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01533 );
01534 }
01535 }
01536
01537 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01538 {
01539 if (right <= vp->left || bottom <= vp->top) return;
01540
01541 if (left >= vp->left + vp->width) return;
01542
01543 if (left < vp->left) left = vp->left;
01544 if (right > vp->left + vp->width) right = vp->left + vp->width;
01545
01546 if (top >= vp->top + vp->height) return;
01547
01548 if (top < vp->top) top = vp->top;
01549 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01550
01551 ViewportDrawChk(vp, left, top, right, bottom);
01552 }
01553
01557 void Window::DrawViewport() const
01558 {
01559 DrawPixelInfo *dpi = _cur_dpi;
01560
01561 dpi->left += this->left;
01562 dpi->top += this->top;
01563
01564 ViewportDraw(this->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01565
01566 dpi->left -= this->left;
01567 dpi->top -= this->top;
01568 }
01569
01570 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01571 {
01572
01573 x += vp->virtual_width / 2;
01574 y += vp->virtual_height / 2;
01575
01576
01577
01578 int vx = -x + y * 2;
01579 int vy = x + y * 2;
01580
01581
01582 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4 * ZOOM_LVL_BASE);
01583 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4 * ZOOM_LVL_BASE);
01584
01585
01586 x = (-vx + vy) / 2;
01587 y = ( vx + vy) / 4;
01588
01589
01590 x -= vp->virtual_width / 2;
01591 y -= vp->virtual_height / 2;
01592 }
01593
01598 void UpdateViewportPosition(Window *w)
01599 {
01600 const ViewPort *vp = w->viewport;
01601
01602 if (w->viewport->follow_vehicle != INVALID_VEHICLE) {
01603 const Vehicle *veh = Vehicle::Get(w->viewport->follow_vehicle);
01604 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01605
01606 w->viewport->scrollpos_x = pt.x;
01607 w->viewport->scrollpos_y = pt.y;
01608 SetViewportPosition(w, pt.x, pt.y);
01609 } else {
01610
01611 ClampViewportToMap(vp, w->viewport->dest_scrollpos_x, w->viewport->dest_scrollpos_y);
01612
01613 int delta_x = w->viewport->dest_scrollpos_x - w->viewport->scrollpos_x;
01614 int delta_y = w->viewport->dest_scrollpos_y - w->viewport->scrollpos_y;
01615
01616 if (delta_x != 0 || delta_y != 0) {
01617 if (_settings_client.gui.smooth_scroll) {
01618 int max_scroll = ScaleByMapSize1D(512 * ZOOM_LVL_BASE);
01619
01620 w->viewport->scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01621 w->viewport->scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01622 } else {
01623 w->viewport->scrollpos_x = w->viewport->dest_scrollpos_x;
01624 w->viewport->scrollpos_y = w->viewport->dest_scrollpos_y;
01625 }
01626 }
01627
01628 ClampViewportToMap(vp, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01629
01630 SetViewportPosition(w, w->viewport->scrollpos_x, w->viewport->scrollpos_y);
01631 }
01632 }
01633
01643 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01644 {
01645 right -= vp->virtual_left;
01646 if (right <= 0) return;
01647
01648 bottom -= vp->virtual_top;
01649 if (bottom <= 0) return;
01650
01651 left = max(0, left - vp->virtual_left);
01652
01653 if (left >= vp->virtual_width) return;
01654
01655 top = max(0, top - vp->virtual_top);
01656
01657 if (top >= vp->virtual_height) return;
01658
01659 SetDirtyBlocks(
01660 UnScaleByZoomLower(left, vp->zoom) + vp->left,
01661 UnScaleByZoomLower(top, vp->zoom) + vp->top,
01662 UnScaleByZoom(right, vp->zoom) + vp->left + 1,
01663 UnScaleByZoom(bottom, vp->zoom) + vp->top + 1
01664 );
01665 }
01666
01675 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01676 {
01677 Window *w;
01678 FOR_ALL_WINDOWS_FROM_BACK(w) {
01679 ViewPort *vp = w->viewport;
01680 if (vp != NULL) {
01681 assert(vp->width != 0);
01682 MarkViewportDirty(vp, left, top, right, bottom);
01683 }
01684 }
01685 }
01686
01687 void ConstrainAllViewportsZoom()
01688 {
01689 Window *w;
01690 FOR_ALL_WINDOWS_FROM_FRONT(w) {
01691 if (w->viewport == NULL) continue;
01692
01693 ZoomLevel zoom = static_cast<ZoomLevel>(Clamp(w->viewport->zoom, _settings_client.gui.zoom_min, _settings_client.gui.zoom_max));
01694 if (zoom != w->viewport->zoom) {
01695 while (w->viewport->zoom < zoom) DoZoomInOutWindow(ZOOM_OUT, w);
01696 while (w->viewport->zoom > zoom) DoZoomInOutWindow(ZOOM_IN, w);
01697 }
01698 }
01699 }
01700
01706 void MarkTileDirtyByTile(TileIndex tile)
01707 {
01708 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTilePixelZ(tile));
01709 MarkAllViewportsDirty(
01710 pt.x - 31 * ZOOM_LVL_BASE,
01711 pt.y - 122 * ZOOM_LVL_BASE,
01712 pt.x - 31 * ZOOM_LVL_BASE + 67 * ZOOM_LVL_BASE,
01713 pt.y - 122 * ZOOM_LVL_BASE + 154 * ZOOM_LVL_BASE
01714 );
01715 }
01716
01724 static void SetSelectionTilesDirty()
01725 {
01726 int x_size = _thd.size.x;
01727 int y_size = _thd.size.y;
01728
01729 if (!_thd.diagonal) {
01730 int x_start = _thd.pos.x;
01731 int y_start = _thd.pos.y;
01732
01733 if (_thd.outersize.x != 0) {
01734 x_size += _thd.outersize.x;
01735 x_start += _thd.offs.x;
01736 y_size += _thd.outersize.y;
01737 y_start += _thd.offs.y;
01738 }
01739
01740 x_size -= TILE_SIZE;
01741 y_size -= TILE_SIZE;
01742
01743 assert(x_size >= 0);
01744 assert(y_size >= 0);
01745
01746 int x_end = Clamp(x_start + x_size, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01747 int y_end = Clamp(y_start + y_size, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01748
01749 x_start = Clamp(x_start, 0, MapSizeX() * TILE_SIZE - TILE_SIZE);
01750 y_start = Clamp(y_start, 0, MapSizeY() * TILE_SIZE - TILE_SIZE);
01751
01752
01753 assert((x_end | y_end | x_start | y_start) % TILE_SIZE == 0);
01754
01755
01756
01757
01758
01759
01760
01761
01762
01763
01764
01765
01766
01767
01768
01769
01770
01771
01772
01773 int top_x = x_end;
01774 int top_y = y_start;
01775 int bot_x = top_x;
01776 int bot_y = top_y;
01777
01778 do {
01779
01780 TileIndex top_tile = TileVirtXY(top_x, top_y);
01781 Point top = RemapCoords(top_x, top_y, GetTileMaxPixelZ(top_tile));
01782
01783
01784 TileIndex bottom_tile = TileVirtXY(bot_x, bot_y);
01785 Point bot = RemapCoords(bot_x + TILE_SIZE, bot_y + TILE_SIZE, GetTilePixelZ(bottom_tile));
01786
01787
01788
01789
01790 int l = top.x - (TILE_PIXELS - 2) * ZOOM_LVL_BASE;
01791 int t = top.y;
01792 int r = top.x + (TILE_PIXELS - 2) * ZOOM_LVL_BASE;
01793 int b = bot.y;
01794
01795 static const int OVERLAY_WIDTH = 4 * ZOOM_LVL_BASE;
01796
01797
01798 MarkAllViewportsDirty(l - OVERLAY_WIDTH, t - OVERLAY_WIDTH - TILE_HEIGHT * ZOOM_LVL_BASE, r + OVERLAY_WIDTH, b + OVERLAY_WIDTH * ZOOM_LVL_BASE);
01799
01800
01801 if (top_x != x_start) {
01802 top_x -= TILE_SIZE;
01803 } else {
01804 top_y += TILE_SIZE;
01805 }
01806
01807
01808 if (bot_y != y_end) {
01809 bot_y += TILE_SIZE;
01810 } else {
01811 bot_x -= TILE_SIZE;
01812 }
01813 } while (bot_x >= top_x);
01814 } else {
01815
01816 int a_size = x_size + y_size, b_size = x_size - y_size;
01817
01818 int interval_a = a_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01819 int interval_b = b_size < 0 ? -(int)TILE_SIZE : (int)TILE_SIZE;
01820
01821 for (int a = -interval_a; a != a_size + interval_a; a += interval_a) {
01822 for (int b = -interval_b; b != b_size + interval_b; b += interval_b) {
01823 uint x = (_thd.pos.x + (a + b) / 2) / TILE_SIZE;
01824 uint y = (_thd.pos.y + (a - b) / 2) / TILE_SIZE;
01825
01826 if (x < MapMaxX() && y < MapMaxY()) {
01827 MarkTileDirtyByTile(TileXY(x, y));
01828 }
01829 }
01830 }
01831 }
01832 }
01833
01834
01835 void SetSelectionRed(bool b)
01836 {
01837 _thd.make_square_red = b;
01838 SetSelectionTilesDirty();
01839 }
01840
01849 static bool CheckClickOnViewportSign(const ViewPort *vp, int x, int y, const ViewportSign *sign)
01850 {
01851 bool small = (vp->zoom >= ZOOM_LVL_OUT_16X);
01852 int sign_half_width = ScaleByZoom((small ? sign->width_small : sign->width_normal) / 2, vp->zoom);
01853 int sign_height = ScaleByZoom(VPSM_TOP + (small ? FONT_HEIGHT_SMALL : FONT_HEIGHT_NORMAL) + VPSM_BOTTOM, vp->zoom);
01854
01855 x = ScaleByZoom(x - vp->left, vp->zoom) + vp->virtual_left;
01856 y = ScaleByZoom(y - vp->top, vp->zoom) + vp->virtual_top;
01857
01858 return y >= sign->top && y < sign->top + sign_height &&
01859 x >= sign->center - sign_half_width && x < sign->center + sign_half_width;
01860 }
01861
01862 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01863 {
01864 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01865
01866 const Town *t;
01867 FOR_ALL_TOWNS(t) {
01868 if (CheckClickOnViewportSign(vp, x, y, &t->cache.sign)) {
01869 ShowTownViewWindow(t->index);
01870 return true;
01871 }
01872 }
01873
01874 return false;
01875 }
01876
01877 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01878 {
01879 if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || IsInvisibilitySet(TO_SIGNS)) return false;
01880
01881 const BaseStation *st;
01882 FOR_ALL_BASE_STATIONS(st) {
01883
01884 bool is_station = Station::IsExpected(st);
01885
01886
01887 if (!HasBit(_display_opt, is_station ? DO_SHOW_STATION_NAMES : DO_SHOW_WAYPOINT_NAMES)) continue;
01888
01889
01890 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
01891
01892 if (CheckClickOnViewportSign(vp, x, y, &st->sign)) {
01893 if (is_station) {
01894 ShowStationViewWindow(st->index);
01895 } else {
01896 ShowWaypointWindow(Waypoint::From(st));
01897 }
01898 return true;
01899 }
01900 }
01901
01902 return false;
01903 }
01904
01905
01906 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01907 {
01908
01909 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _local_company == COMPANY_SPECTATOR) return false;
01910
01911 const Sign *si;
01912 FOR_ALL_SIGNS(si) {
01913
01914 if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != si->owner && si->owner != OWNER_DEITY) continue;
01915 if (si->owner == OWNER_DEITY && _game_mode != GM_EDITOR) continue;
01916
01917 if (CheckClickOnViewportSign(vp, x, y, &si->sign)) {
01918 HandleClickOnSign(si);
01919 return true;
01920 }
01921 }
01922
01923 return false;
01924 }
01925
01926
01927 static bool CheckClickOnLandscape(const ViewPort *vp, int x, int y)
01928 {
01929 Point pt = TranslateXYToTileCoord(vp, x, y);
01930
01931 if (pt.x != -1) return ClickTile(TileVirtXY(pt.x, pt.y));
01932 return true;
01933 }
01934
01935 static void PlaceObject()
01936 {
01937 Point pt;
01938 Window *w;
01939
01940 pt = GetTileBelowCursor();
01941 if (pt.x == -1) return;
01942
01943 if ((_thd.place_mode & HT_DRAG_MASK) == HT_POINT) {
01944 pt.x += TILE_SIZE / 2;
01945 pt.y += TILE_SIZE / 2;
01946 }
01947
01948 _tile_fract_coords.x = pt.x & TILE_UNIT_MASK;
01949 _tile_fract_coords.y = pt.y & TILE_UNIT_MASK;
01950
01951 w = _thd.GetCallbackWnd();
01952 if (w != NULL) w->OnPlaceObject(pt, TileVirtXY(pt.x, pt.y));
01953 }
01954
01955
01956 bool HandleViewportClicked(const ViewPort *vp, int x, int y)
01957 {
01958 const Vehicle *v = CheckClickOnVehicle(vp, x, y);
01959
01960 if (_thd.place_mode & HT_VEHICLE) {
01961 if (v != NULL && VehicleClicked(v)) return true;
01962 }
01963
01964
01965 if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
01966 PlaceObject();
01967 return true;
01968 }
01969
01970 if (CheckClickOnTown(vp, x, y)) return true;
01971 if (CheckClickOnStation(vp, x, y)) return true;
01972 if (CheckClickOnSign(vp, x, y)) return true;
01973 bool result = CheckClickOnLandscape(vp, x, y);
01974
01975 if (v != NULL) {
01976 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
01977 if (IsCompanyBuildableVehicleType(v)) {
01978 v = v->First();
01979 if (_ctrl_pressed && v->owner == _local_company) {
01980 StartStopVehicle(v, true);
01981 } else {
01982 ShowVehicleViewWindow(v);
01983 }
01984 }
01985 return true;
01986 }
01987 return result;
01988 }
01989
01990
02000 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant)
02001 {
02002
02003 if (z == -1) z = GetSlopePixelZ(Clamp(x, 0, MapSizeX() * TILE_SIZE - 1), Clamp(y, 0, MapSizeY() * TILE_SIZE - 1));
02004
02005 Point pt = MapXYZToViewport(w->viewport, x, y, z);
02006 w->viewport->follow_vehicle = INVALID_VEHICLE;
02007
02008 if (w->viewport->dest_scrollpos_x == pt.x && w->viewport->dest_scrollpos_y == pt.y) return false;
02009
02010 if (instant) {
02011 w->viewport->scrollpos_x = pt.x;
02012 w->viewport->scrollpos_y = pt.y;
02013 }
02014
02015 w->viewport->dest_scrollpos_x = pt.x;
02016 w->viewport->dest_scrollpos_y = pt.y;
02017 return true;
02018 }
02019
02027 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant)
02028 {
02029 return ScrollWindowTo(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, -1, w, instant);
02030 }
02031
02038 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
02039 {
02040 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, -1, instant);
02041 }
02042
02047 void SetRedErrorSquare(TileIndex tile)
02048 {
02049 TileIndex old;
02050
02051 old = _thd.redsq;
02052 _thd.redsq = tile;
02053
02054 if (tile != old) {
02055 if (tile != INVALID_TILE) MarkTileDirtyByTile(tile);
02056 if (old != INVALID_TILE) MarkTileDirtyByTile(old);
02057 }
02058 }
02059
02065 void SetTileSelectSize(int w, int h)
02066 {
02067 _thd.new_size.x = w * TILE_SIZE;
02068 _thd.new_size.y = h * TILE_SIZE;
02069 _thd.new_outersize.x = 0;
02070 _thd.new_outersize.y = 0;
02071 }
02072
02073 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02074 {
02075 _thd.offs.x = ox * TILE_SIZE;
02076 _thd.offs.y = oy * TILE_SIZE;
02077 _thd.new_outersize.x = sx * TILE_SIZE;
02078 _thd.new_outersize.y = sy * TILE_SIZE;
02079 }
02080
02082 static HighLightStyle GetAutorailHT(int x, int y)
02083 {
02084 return HT_RAIL | _autorail_piece[x & TILE_UNIT_MASK][y & TILE_UNIT_MASK];
02085 }
02086
02090 void TileHighlightData::Reset()
02091 {
02092 this->pos.x = 0;
02093 this->pos.y = 0;
02094 this->new_pos.x = 0;
02095 this->new_pos.y = 0;
02096 }
02097
02102 bool TileHighlightData::IsDraggingDiagonal()
02103 {
02104 return (this->place_mode & HT_DIAGONAL) != 0 && _ctrl_pressed && _left_button_down;
02105 }
02106
02111 Window *TileHighlightData::GetCallbackWnd()
02112 {
02113 return FindWindowById(this->window_class, this->window_number);
02114 }
02115
02116
02117
02125 void UpdateTileSelection()
02126 {
02127 int x1;
02128 int y1;
02129
02130 HighLightStyle new_drawstyle = HT_NONE;
02131 bool new_diagonal = false;
02132
02133 if ((_thd.place_mode & HT_DRAG_MASK) == HT_SPECIAL) {
02134 x1 = _thd.selend.x;
02135 y1 = _thd.selend.y;
02136 if (x1 != -1) {
02137 int x2 = _thd.selstart.x & ~TILE_UNIT_MASK;
02138 int y2 = _thd.selstart.y & ~TILE_UNIT_MASK;
02139 x1 &= ~TILE_UNIT_MASK;
02140 y1 &= ~TILE_UNIT_MASK;
02141
02142 if (_thd.IsDraggingDiagonal()) {
02143 new_diagonal = true;
02144 } else {
02145 if (x1 >= x2) Swap(x1, x2);
02146 if (y1 >= y2) Swap(y1, y2);
02147 }
02148 _thd.new_pos.x = x1;
02149 _thd.new_pos.y = y1;
02150 _thd.new_size.x = x2 - x1;
02151 _thd.new_size.y = y2 - y1;
02152 if (!new_diagonal) {
02153 _thd.new_size.x += TILE_SIZE;
02154 _thd.new_size.y += TILE_SIZE;
02155 }
02156 new_drawstyle = _thd.next_drawstyle;
02157 }
02158 } else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
02159 Point pt = GetTileBelowCursor();
02160 x1 = pt.x;
02161 y1 = pt.y;
02162 if (x1 != -1) {
02163 switch (_thd.place_mode & HT_DRAG_MASK) {
02164 case HT_RECT:
02165 new_drawstyle = HT_RECT;
02166 break;
02167 case HT_POINT:
02168 new_drawstyle = HT_POINT;
02169 x1 += TILE_SIZE / 2;
02170 y1 += TILE_SIZE / 2;
02171 break;
02172 case HT_RAIL:
02173
02174 new_drawstyle = GetAutorailHT(pt.x, pt.y);
02175 break;
02176 case HT_LINE:
02177 switch (_thd.place_mode & HT_DIR_MASK) {
02178 case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
02179 case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
02180
02181 case HT_DIR_HU:
02182 case HT_DIR_HL:
02183 new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02184 break;
02185
02186 case HT_DIR_VL:
02187 case HT_DIR_VR:
02188 new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02189 break;
02190
02191 default: NOT_REACHED();
02192 }
02193 _thd.selstart.x = x1 & ~TILE_UNIT_MASK;
02194 _thd.selstart.y = y1 & ~TILE_UNIT_MASK;
02195 break;
02196 default:
02197 NOT_REACHED();
02198 break;
02199 }
02200 _thd.new_pos.x = x1 & ~TILE_UNIT_MASK;
02201 _thd.new_pos.y = y1 & ~TILE_UNIT_MASK;
02202 }
02203 }
02204
02205
02206 if (_thd.drawstyle != new_drawstyle ||
02207 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02208 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02209 _thd.outersize.x != _thd.new_outersize.x ||
02210 _thd.outersize.y != _thd.new_outersize.y ||
02211 _thd.diagonal != new_diagonal) {
02212
02213 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02214
02215 _thd.drawstyle = new_drawstyle;
02216 _thd.pos = _thd.new_pos;
02217 _thd.size = _thd.new_size;
02218 _thd.outersize = _thd.new_outersize;
02219 _thd.diagonal = new_diagonal;
02220 _thd.dirty = 0xff;
02221
02222
02223 if ((new_drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02224 }
02225 }
02226
02234 static inline void ShowMeasurementTooltips(StringID str, uint paramcount, const uint64 params[], TooltipCloseCondition close_cond = TCC_LEFT_CLICK)
02235 {
02236 if (!_settings_client.gui.measure_tooltip) return;
02237 GuiShowTooltips(_thd.GetCallbackWnd(), str, paramcount, params, close_cond);
02238 }
02239
02241 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, ViewportDragDropSelectionProcess process)
02242 {
02243 _thd.select_method = method;
02244 _thd.select_proc = process;
02245 _thd.selend.x = TileX(tile) * TILE_SIZE;
02246 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02247 _thd.selend.y = TileY(tile) * TILE_SIZE;
02248 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02249
02250
02251
02252
02253 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02254 _thd.selend.x += TILE_SIZE / 2;
02255 _thd.selend.y += TILE_SIZE / 2;
02256 _thd.selstart.x += TILE_SIZE / 2;
02257 _thd.selstart.y += TILE_SIZE / 2;
02258 }
02259
02260 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02261 if ((_thd.place_mode & HT_DRAG_MASK) == HT_RECT) {
02262 _thd.place_mode = HT_SPECIAL | others;
02263 _thd.next_drawstyle = HT_RECT | others;
02264 } else if (_thd.place_mode & (HT_RAIL | HT_LINE)) {
02265 _thd.place_mode = HT_SPECIAL | others;
02266 _thd.next_drawstyle = _thd.drawstyle | others;
02267 } else {
02268 _thd.place_mode = HT_SPECIAL | others;
02269 _thd.next_drawstyle = HT_POINT | others;
02270 }
02271 _special_mouse_mode = WSM_SIZING;
02272 }
02273
02274 void VpSetPlaceSizingLimit(int limit)
02275 {
02276 _thd.sizelimit = limit;
02277 }
02278
02284 void VpSetPresizeRange(TileIndex from, TileIndex to)
02285 {
02286 uint64 distance = DistanceManhattan(from, to) + 1;
02287
02288 _thd.selend.x = TileX(to) * TILE_SIZE;
02289 _thd.selend.y = TileY(to) * TILE_SIZE;
02290 _thd.selstart.x = TileX(from) * TILE_SIZE;
02291 _thd.selstart.y = TileY(from) * TILE_SIZE;
02292 _thd.next_drawstyle = HT_RECT;
02293
02294
02295 if (distance > 1) ShowMeasurementTooltips(STR_MEASURE_LENGTH, 1, &distance, TCC_HOVER);
02296 }
02297
02298 static void VpStartPreSizing()
02299 {
02300 _thd.selend.x = -1;
02301 _special_mouse_mode = WSM_PRESIZE;
02302 }
02303
02308 static HighLightStyle Check2x1AutoRail(int mode)
02309 {
02310 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02311 int sxpy = (_thd.selend.x & TILE_UNIT_MASK) + (_thd.selend.y & TILE_UNIT_MASK);
02312 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02313 int sxmy = (_thd.selend.x & TILE_UNIT_MASK) - (_thd.selend.y & TILE_UNIT_MASK);
02314
02315 switch (mode) {
02316 default: NOT_REACHED();
02317 case 0:
02318 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02319 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02320 return HT_DIR_Y;
02321
02322 case 1:
02323 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02324 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02325 return HT_DIR_Y;
02326
02327 case 2:
02328 if (fxmy > 3 && sxmy < -3) return HT_DIR_VL;
02329 if (fxpy >= 20 && sxpy <= 12) return HT_DIR_HL;
02330 return HT_DIR_X;
02331
02332 case 3:
02333 if (fxmy < -3 && sxmy > 3) return HT_DIR_VR;
02334 if (fxpy <= 12 && sxpy >= 20) return HT_DIR_HU;
02335 return HT_DIR_X;
02336 }
02337 }
02338
02352 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02353 {
02354 uint start_x = TileX(start_tile);
02355 uint start_y = TileY(start_tile);
02356 uint end_x = TileX(end_tile);
02357 uint end_y = TileY(end_tile);
02358
02359 switch (style & HT_DRAG_MASK) {
02360 case HT_RAIL:
02361 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02362
02363 case HT_RECT:
02364 case HT_POINT: return (end_x != start_x && end_y < start_y);
02365 default: NOT_REACHED();
02366 }
02367
02368 return false;
02369 }
02370
02386 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02387 {
02388 bool swap = SwapDirection(style, start_tile, end_tile);
02389 uint h0, h1;
02390
02391 if (start_tile == end_tile) return 0;
02392 if (swap) Swap(start_tile, end_tile);
02393
02394 switch (style & HT_DRAG_MASK) {
02395 case HT_RECT: {
02396 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02397 {1, 0}, {0, 0},
02398 {0, 1}, {1, 1}
02399 };
02400
02401
02402
02403 byte style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02404 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02405 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02406
02407 }
02408
02409 case HT_POINT:
02410 h0 = TileHeight(start_tile);
02411 h1 = TileHeight(end_tile);
02412 break;
02413 default: {
02414 static const HighLightStyle flip_style_direction[] = {
02415 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02416 };
02417 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02418 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02419 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02420 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02421
02422 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02423 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02424 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02425 };
02426
02427 distance %= 2;
02428 style &= HT_DIR_MASK;
02429
02430
02431
02432
02433
02434 if (swap && distance == 0) style = flip_style_direction[style];
02435
02436
02437 byte style_t = style * 2;
02438 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02439 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02440 uint ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02441 h0 = max(h0, ht);
02442
02443
02444
02445 if (distance == 0) style_t = flip_style_direction[style] * 2;
02446 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02447 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02448 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02449 h1 = max(h1, ht);
02450 break;
02451 }
02452 }
02453
02454 if (swap) Swap(h0, h1);
02455 return (int)(h1 - h0) * TILE_HEIGHT_STEP;
02456 }
02457
02458 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02459
02466 static void CheckUnderflow(int &test, int &other, int mult)
02467 {
02468 if (test >= 0) return;
02469
02470 other += mult * test;
02471 test = 0;
02472 }
02473
02481 static void CheckOverflow(int &test, int &other, int max, int mult)
02482 {
02483 if (test <= max) return;
02484
02485 other += mult * (test - max);
02486 test = max;
02487 }
02488
02490 static void CalcRaildirsDrawstyle(int x, int y, int method)
02491 {
02492 HighLightStyle b;
02493
02494 int dx = _thd.selstart.x - (_thd.selend.x & ~TILE_UNIT_MASK);
02495 int dy = _thd.selstart.y - (_thd.selend.y & ~TILE_UNIT_MASK);
02496 uint w = abs(dx) + TILE_SIZE;
02497 uint h = abs(dy) + TILE_SIZE;
02498
02499 if (method & ~(VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02500
02501 method &= ~(VPM_RAILDIRS | VPM_SIGNALDIRS);
02502 int raw_dx = _thd.selstart.x - _thd.selend.x;
02503 int raw_dy = _thd.selstart.y - _thd.selend.y;
02504 switch (method) {
02505 case VPM_FIX_X:
02506 b = HT_LINE | HT_DIR_Y;
02507 x = _thd.selstart.x;
02508 break;
02509
02510 case VPM_FIX_Y:
02511 b = HT_LINE | HT_DIR_X;
02512 y = _thd.selstart.y;
02513 break;
02514
02515 case VPM_FIX_HORIZONTAL:
02516 if (dx == -dy) {
02517
02518
02519 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02520 } else {
02521
02522
02523 b = dx + dy >= (int)TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
02524
02525
02526
02527
02528 int offset = (raw_dx - raw_dy) / 2;
02529 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02530 y = _thd.selstart.y + (offset & ~TILE_UNIT_MASK);
02531
02532
02533 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02534 if (dx + dy >= (int)TILE_SIZE) {
02535 x += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02536 } else {
02537 y += (dx + dy < 0) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02538 }
02539 }
02540
02541
02542 CheckUnderflow(x, y, 1);
02543 CheckUnderflow(y, x, 1);
02544 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, 1);
02545 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, 1);
02546 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02547 }
02548 break;
02549
02550 case VPM_FIX_VERTICAL:
02551 if (dx == dy) {
02552
02553
02554 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02555 } else {
02556
02557
02558 b = dx < dy ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02559
02560
02561
02562
02563 int offset = (raw_dx + raw_dy + (int)TILE_SIZE) / 2;
02564 x = _thd.selstart.x - (offset & ~TILE_UNIT_MASK);
02565 y = _thd.selstart.y - (offset & ~TILE_UNIT_MASK);
02566
02567
02568 if ((offset & TILE_UNIT_MASK) > (TILE_SIZE / 2)) {
02569 if (dx - dy < 0) {
02570 y += (dx > dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02571 } else {
02572 x += (dx < dy) ? (int)TILE_SIZE : -(int)TILE_SIZE;
02573 }
02574 }
02575
02576
02577 CheckUnderflow(x, y, -1);
02578 CheckUnderflow(y, x, -1);
02579 CheckOverflow(x, y, (MapMaxX() - 1) * TILE_SIZE, -1);
02580 CheckOverflow(y, x, (MapMaxY() - 1) * TILE_SIZE, -1);
02581 assert(x >= 0 && y >= 0 && x <= (int)(MapMaxX() * TILE_SIZE) && y <= (int)(MapMaxY() * TILE_SIZE));
02582 }
02583 break;
02584
02585 default:
02586 NOT_REACHED();
02587 }
02588 } else if (TileVirtXY(_thd.selstart.x, _thd.selstart.y) == TileVirtXY(x, y)) {
02589 if (method & VPM_RAILDIRS) {
02590 b = GetAutorailHT(x, y);
02591 } else {
02592 b = HT_RECT;
02593 }
02594 } else if (h == TILE_SIZE) {
02595 if (dx == (int)TILE_SIZE) {
02596 b = (Check2x1AutoRail(3)) | HT_LINE;
02597 } else if (dx == -(int)TILE_SIZE) {
02598 b = (Check2x1AutoRail(2)) | HT_LINE;
02599 } else {
02600 b = HT_LINE | HT_DIR_X;
02601 }
02602 y = _thd.selstart.y;
02603 } else if (w == TILE_SIZE) {
02604 if (dy == (int)TILE_SIZE) {
02605 b = (Check2x1AutoRail(1)) | HT_LINE;
02606 } else if (dy == -(int)TILE_SIZE) {
02607 b = (Check2x1AutoRail(0)) | HT_LINE;
02608 } else {
02609 b = HT_LINE | HT_DIR_Y;
02610 }
02611 x = _thd.selstart.x;
02612 } else if (w > h * 2) {
02613 b = HT_LINE | HT_DIR_X;
02614 y = _thd.selstart.y;
02615 } else if (h > w * 2) {
02616 b = HT_LINE | HT_DIR_Y;
02617 x = _thd.selstart.x;
02618 } else {
02619 int d = w - h;
02620 _thd.selend.x = _thd.selend.x & ~TILE_UNIT_MASK;
02621 _thd.selend.y = _thd.selend.y & ~TILE_UNIT_MASK;
02622
02623
02624 if (x > _thd.selstart.x) {
02625 if (y > _thd.selstart.y) {
02626
02627 if (d == 0) {
02628 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02629 } else if (d >= 0) {
02630 x = _thd.selstart.x + h;
02631 b = HT_LINE | HT_DIR_VL;
02632 } else {
02633 y = _thd.selstart.y + w;
02634 b = HT_LINE | HT_DIR_VR;
02635 }
02636 } else {
02637
02638 if (d == 0) {
02639 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02640 } else if (d >= 0) {
02641 x = _thd.selstart.x + h;
02642 b = HT_LINE | HT_DIR_HL;
02643 } else {
02644 y = _thd.selstart.y - w;
02645 b = HT_LINE | HT_DIR_HU;
02646 }
02647 }
02648 } else {
02649 if (y > _thd.selstart.y) {
02650
02651 if (d == 0) {
02652 b = (x & TILE_UNIT_MASK) + (y & TILE_UNIT_MASK) >= TILE_SIZE ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02653 } else if (d >= 0) {
02654 x = _thd.selstart.x - h;
02655 b = HT_LINE | HT_DIR_HU;
02656 } else {
02657 y = _thd.selstart.y + w;
02658 b = HT_LINE | HT_DIR_HL;
02659 }
02660 } else {
02661
02662 if (d == 0) {
02663 b = (x & TILE_UNIT_MASK) > (y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02664 } else if (d >= 0) {
02665 x = _thd.selstart.x - h;
02666 b = HT_LINE | HT_DIR_VR;
02667 } else {
02668 y = _thd.selstart.y - w;
02669 b = HT_LINE | HT_DIR_VL;
02670 }
02671 }
02672 }
02673 }
02674
02675 if (_settings_client.gui.measure_tooltip) {
02676 TileIndex t0 = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02677 TileIndex t1 = TileVirtXY(x, y);
02678 uint distance = DistanceManhattan(t0, t1) + 1;
02679 byte index = 0;
02680 uint64 params[2];
02681
02682 if (distance != 1) {
02683 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02684
02685
02686
02687 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02688 distance = CeilDiv(distance, 2);
02689 }
02690
02691 params[index++] = distance;
02692 if (heightdiff != 0) params[index++] = heightdiff;
02693 }
02694
02695 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02696 }
02697
02698 _thd.selend.x = x;
02699 _thd.selend.y = y;
02700 _thd.next_drawstyle = b;
02701 }
02702
02710 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02711 {
02712 int sx, sy;
02713 HighLightStyle style;
02714
02715 if (x == -1) {
02716 _thd.selend.x = -1;
02717 return;
02718 }
02719
02720
02721 if (method & (VPM_RAILDIRS | VPM_SIGNALDIRS)) {
02722 _thd.selend.x = x;
02723 _thd.selend.y = y;
02724 CalcRaildirsDrawstyle(x, y, method);
02725 return;
02726 }
02727
02728
02729 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_POINT) {
02730 x += TILE_SIZE / 2;
02731 y += TILE_SIZE / 2;
02732 }
02733
02734 sx = _thd.selstart.x;
02735 sy = _thd.selstart.y;
02736
02737 int limit = 0;
02738
02739 switch (method) {
02740 case VPM_X_OR_Y:
02741 if (abs(sy - y) < abs(sx - x)) {
02742 y = sy;
02743 style = HT_DIR_X;
02744 } else {
02745 x = sx;
02746 style = HT_DIR_Y;
02747 }
02748 goto calc_heightdiff_single_direction;
02749
02750 case VPM_X_LIMITED:
02751 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02752
02753
02754 case VPM_FIX_X:
02755 x = sx;
02756 style = HT_DIR_Y;
02757 goto calc_heightdiff_single_direction;
02758
02759 case VPM_Y_LIMITED:
02760 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02761
02762
02763 case VPM_FIX_Y:
02764 y = sy;
02765 style = HT_DIR_X;
02766
02767 calc_heightdiff_single_direction:;
02768 if (limit > 0) {
02769 x = sx + Clamp(x - sx, -limit, limit);
02770 y = sy + Clamp(y - sy, -limit, limit);
02771 }
02772 if (_settings_client.gui.measure_tooltip) {
02773 TileIndex t0 = TileVirtXY(sx, sy);
02774 TileIndex t1 = TileVirtXY(x, y);
02775 uint distance = DistanceManhattan(t0, t1) + 1;
02776 byte index = 0;
02777 uint64 params[2];
02778
02779 if (distance != 1) {
02780
02781
02782
02783
02784
02785 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02786
02787 params[index++] = distance;
02788 if (heightdiff != 0) params[index++] = heightdiff;
02789 }
02790
02791 ShowMeasurementTooltips(measure_strings_length[index], index, params);
02792 }
02793 break;
02794
02795 case VPM_X_AND_Y_LIMITED:
02796 limit = (_thd.sizelimit - 1) * TILE_SIZE;
02797 x = sx + Clamp(x - sx, -limit, limit);
02798 y = sy + Clamp(y - sy, -limit, limit);
02799
02800
02801 case VPM_X_AND_Y:
02802 if (_settings_client.gui.measure_tooltip) {
02803 static const StringID measure_strings_area[] = {
02804 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02805 };
02806
02807 TileIndex t0 = TileVirtXY(sx, sy);
02808 TileIndex t1 = TileVirtXY(x, y);
02809 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02810 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02811 byte index = 0;
02812 uint64 params[3];
02813
02814
02815
02816 style = (HighLightStyle)_thd.next_drawstyle;
02817 if (_thd.IsDraggingDiagonal()) {
02818
02819
02820
02821
02822
02823
02824
02825
02826
02827
02828 int dist_x = TileX(t0) - TileX(t1);
02829 int dist_y = TileY(t0) - TileY(t1);
02830 int a_max = dist_x + dist_y;
02831 int b_max = dist_y - dist_x;
02832
02833
02834
02835 a_max = abs(a_max + (a_max > 0 ? 2 : -2)) / 2;
02836 b_max = abs(b_max + (b_max > 0 ? 2 : -2)) / 2;
02837
02838
02839
02840
02841
02842 if (a_max != 1 || b_max != 1) {
02843 dx = a_max;
02844 dy = b_max;
02845 }
02846 } else if (style & HT_RECT) {
02847 if (dx == 1) {
02848 style = HT_LINE | HT_DIR_Y;
02849 } else if (dy == 1) {
02850 style = HT_LINE | HT_DIR_X;
02851 }
02852 }
02853
02854 if (dx != 1 || dy != 1) {
02855 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02856
02857 params[index++] = dx - (style & HT_POINT ? 1 : 0);
02858 params[index++] = dy - (style & HT_POINT ? 1 : 0);
02859 if (heightdiff != 0) params[index++] = heightdiff;
02860 }
02861
02862 ShowMeasurementTooltips(measure_strings_area[index], index, params);
02863 }
02864 break;
02865
02866 default: NOT_REACHED();
02867 }
02868
02869 _thd.selend.x = x;
02870 _thd.selend.y = y;
02871 }
02872
02877 EventState VpHandlePlaceSizingDrag()
02878 {
02879 if (_special_mouse_mode != WSM_SIZING) return ES_NOT_HANDLED;
02880
02881
02882 Window *w = _thd.GetCallbackWnd();
02883 if (w == NULL) {
02884 ResetObjectToPlace();
02885 return ES_HANDLED;
02886 }
02887
02888
02889 if (_left_button_down) {
02890 w->OnPlaceDrag(_thd.select_method, _thd.select_proc, GetTileBelowCursor());
02891 return ES_HANDLED;
02892 }
02893
02894
02895
02896 _special_mouse_mode = WSM_NONE;
02897 HighLightStyle others = _thd.place_mode & ~(HT_DRAG_MASK | HT_DIR_MASK);
02898 if ((_thd.next_drawstyle & HT_DRAG_MASK) == HT_RECT) {
02899 _thd.place_mode = HT_RECT | others;
02900 } else if (_thd.select_method & VPM_SIGNALDIRS) {
02901 _thd.place_mode = HT_RECT | others;
02902 } else if (_thd.select_method & VPM_RAILDIRS) {
02903 _thd.place_mode = (_thd.select_method & ~VPM_RAILDIRS) ? _thd.next_drawstyle : (HT_RAIL | others);
02904 } else {
02905 _thd.place_mode = HT_POINT | others;
02906 }
02907 SetTileSelectSize(1, 1);
02908
02909 w->OnPlaceMouseUp(_thd.select_method, _thd.select_proc, _thd.selend, TileVirtXY(_thd.selstart.x, _thd.selstart.y), TileVirtXY(_thd.selend.x, _thd.selend.y));
02910
02911 return ES_HANDLED;
02912 }
02913
02914 void SetObjectToPlaceWnd(CursorID icon, PaletteID pal, HighLightStyle mode, Window *w)
02915 {
02916 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02917 }
02918
02919 #include "table/animcursors.h"
02920
02921 void SetObjectToPlace(CursorID icon, PaletteID pal, HighLightStyle mode, WindowClass window_class, WindowNumber window_num)
02922 {
02923 if (_thd.window_class != WC_INVALID) {
02924
02925 Window *w = _thd.GetCallbackWnd();
02926
02927
02928
02929
02930
02931 _thd.window_class = WC_INVALID;
02932 if (w != NULL) w->OnPlaceObjectAbort();
02933 }
02934
02935
02936 if ((_thd.drawstyle & HT_DRAG_MASK) != HT_NONE) SetSelectionTilesDirty();
02937
02938 SetTileSelectSize(1, 1);
02939
02940 _thd.make_square_red = false;
02941
02942 if (mode == HT_DRAG) {
02943 mode = HT_NONE;
02944 _special_mouse_mode = WSM_DRAGDROP;
02945 } else {
02946 _special_mouse_mode = WSM_NONE;
02947 }
02948
02949 _thd.place_mode = mode;
02950 _thd.window_class = window_class;
02951 _thd.window_number = window_num;
02952
02953 if ((mode & HT_DRAG_MASK) == HT_SPECIAL) {
02954 VpStartPreSizing();
02955 }
02956
02957 if ((icon & ANIMCURSOR_FLAG) != 0) {
02958 SetAnimatedMouseCursor(_animcursors[icon & ~ANIMCURSOR_FLAG]);
02959 } else {
02960 SetMouseCursor(icon, pal);
02961 }
02962
02963 }
02964
02965 void ResetObjectToPlace()
02966 {
02967 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, HT_NONE, WC_MAIN_WINDOW, 0);
02968 }