00001
00002
00005 #include "stdafx.h"
00006 #include "openttd.h"
00007 #include "debug.h"
00008 #include "tile_cmd.h"
00009 #include "gui.h"
00010 #include "spritecache.h"
00011 #include "landscape.h"
00012 #include "viewport_func.h"
00013 #include "station.h"
00014 #include "town.h"
00015 #include "signs.h"
00016 #include "waypoint.h"
00017 #include "variables.h"
00018 #include "train.h"
00019 #include "roadveh.h"
00020 #include "vehicle_gui.h"
00021 #include "blitter/factory.hpp"
00022 #include "transparency.h"
00023 #include "strings_func.h"
00024 #include "zoom_func.h"
00025 #include "vehicle_func.h"
00026 #include "player_func.h"
00027 #include "settings_type.h"
00028
00029 #include "table/sprites.h"
00030 #include "table/strings.h"
00031
00032 #define VIEWPORT_DRAW_MEM (65536 * 2)
00033
00034 PlaceProc *_place_proc;
00035 Point _tile_fract_coords;
00036 ZoomLevel _saved_scrollpos_zoom;
00037
00053 static ViewPort _viewports[MAX_NUMBER_OF_WINDOWS - 1];
00054 static uint32 _active_viewports;
00055 assert_compile(lengthof(_viewports) < sizeof(_active_viewports) * 8);
00056
00057
00058
00059
00060
00061
00062
00063
00064
00065
00066
00067
00068
00069
00070
00071 struct StringSpriteToDraw {
00072 uint16 string;
00073 uint16 color;
00074 StringSpriteToDraw *next;
00075 int32 x;
00076 int32 y;
00077 uint64 params[2];
00078 uint16 width;
00079 };
00080
00081 struct TileSpriteToDraw {
00082 SpriteID image;
00083 SpriteID pal;
00084 const SubSprite *sub;
00085 TileSpriteToDraw *next;
00086 int32 x;
00087 int32 y;
00088 byte z;
00089 };
00090
00091 struct ChildScreenSpriteToDraw {
00092 SpriteID image;
00093 SpriteID pal;
00094 const SubSprite *sub;
00095 int32 x;
00096 int32 y;
00097 ChildScreenSpriteToDraw *next;
00098 };
00099
00100 struct ParentSpriteToDraw {
00101 SpriteID image;
00102 SpriteID pal;
00103 const SubSprite *sub;
00104
00105 int32 x;
00106 int32 y;
00107
00108 int32 left;
00109 int32 top;
00110
00111 int32 xmin;
00112 int32 xmax;
00113 int32 ymin;
00114 int32 ymax;
00115 int zmin;
00116 int zmax;
00117
00118 ChildScreenSpriteToDraw *child;
00119 bool comparison_done;
00120 };
00121
00122
00123
00124 #define LARGEST_SPRITELIST_STRUCT ParentSpriteToDraw
00125 assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(StringSpriteToDraw));
00126 assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(TileSpriteToDraw));
00127 assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(ChildScreenSpriteToDraw));
00128 assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(ParentSpriteToDraw));
00129
00130
00131 enum FoundationPart {
00132 FOUNDATION_PART_NONE = 0xFF,
00133 FOUNDATION_PART_NORMAL = 0,
00134 FOUNDATION_PART_HALFTILE = 1,
00135 FOUNDATION_PART_END
00136 };
00137
00138 struct ViewportDrawer {
00139 DrawPixelInfo dpi;
00140
00141 byte *spritelist_mem;
00142 const byte *eof_spritelist_mem;
00143
00144 StringSpriteToDraw **last_string, *first_string;
00145 TileSpriteToDraw **last_tile, *first_tile;
00146
00147 ChildScreenSpriteToDraw **last_child;
00148
00149 ParentSpriteToDraw **parent_list;
00150 ParentSpriteToDraw * const *eof_parent_list;
00151
00152 byte combine_sprites;
00153
00154 ParentSpriteToDraw *foundation[FOUNDATION_PART_END];
00155 FoundationPart foundation_part;
00156 ChildScreenSpriteToDraw **last_foundation_child[FOUNDATION_PART_END];
00157 Point foundation_offset[FOUNDATION_PART_END];
00158 };
00159
00160 static ViewportDrawer *_cur_vd;
00161
00162 TileHighlightData _thd;
00163 static TileInfo *_cur_ti;
00164
00165 extern void SmallMapCenterOnCurrentPos(Window *w);
00166
00167 static Point MapXYZToViewport(const ViewPort *vp, uint x, uint y, uint z)
00168 {
00169 Point p = RemapCoords(x, y, z);
00170 p.x -= vp->virtual_width / 2;
00171 p.y -= vp->virtual_height / 2;
00172 return p;
00173 }
00174
00175 void InitViewports()
00176 {
00177 memset(_viewports, 0, sizeof(_viewports));
00178 _active_viewports = 0;
00179 }
00180
00181 void DeleteWindowViewport(Window *w)
00182 {
00183 ClrBit(_active_viewports, w->viewport - _viewports);
00184 w->viewport->width = 0;
00185 w->viewport = NULL;
00186 }
00187
00188 void AssignWindowViewport(Window *w, int x, int y,
00189 int width, int height, uint32 follow_flags, ZoomLevel zoom)
00190 {
00191 ViewPort *vp;
00192 Point pt;
00193 uint32 bit;
00194
00195 for (vp = _viewports, bit = 0; ; vp++, bit++) {
00196 assert(vp != endof(_viewports));
00197 if (vp->width == 0) break;
00198 }
00199 SetBit(_active_viewports, bit);
00200
00201 vp->left = x + w->left;
00202 vp->top = y + w->top;
00203 vp->width = width;
00204 vp->height = height;
00205
00206 vp->zoom = zoom;
00207
00208 vp->virtual_width = ScaleByZoom(width, zoom);
00209 vp->virtual_height = ScaleByZoom(height, zoom);
00210
00211 if (follow_flags & 0x80000000) {
00212 const Vehicle *veh;
00213
00214 WP(w, vp_d).follow_vehicle = (VehicleID)(follow_flags & 0xFFFF);
00215 veh = GetVehicle(WP(w, vp_d).follow_vehicle);
00216 pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
00217 } else {
00218 uint x = TileX(follow_flags) * TILE_SIZE;
00219 uint y = TileY(follow_flags) * TILE_SIZE;
00220
00221 WP(w, vp_d).follow_vehicle = INVALID_VEHICLE;
00222 pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
00223 }
00224
00225 WP(w, vp_d).scrollpos_x = pt.x;
00226 WP(w, vp_d).scrollpos_y = pt.y;
00227 WP(w, vp_d).dest_scrollpos_x = pt.x;
00228 WP(w, vp_d).dest_scrollpos_y = pt.y;
00229
00230 w->viewport = vp;
00231 vp->virtual_left = 0;
00232 vp->virtual_top = 0;
00233 }
00234
00235 static Point _vp_move_offs;
00236
00237 static void DoSetViewportPosition(Window* const *wz, int left, int top, int width, int height)
00238 {
00239
00240 for (; wz != _last_z_window; wz++) {
00241 const Window *w = *wz;
00242
00243 if (left + width > w->left &&
00244 w->left + w->width > left &&
00245 top + height > w->top &&
00246 w->top + w->height > top) {
00247
00248 if (left < w->left) {
00249 DoSetViewportPosition(wz, left, top, w->left - left, height);
00250 DoSetViewportPosition(wz, left + (w->left - left), top, width - (w->left - left), height);
00251 return;
00252 }
00253
00254 if (left + width > w->left + w->width) {
00255 DoSetViewportPosition(wz, left, top, (w->left + w->width - left), height);
00256 DoSetViewportPosition(wz, left + (w->left + w->width - left), top, width - (w->left + w->width - left) , height);
00257 return;
00258 }
00259
00260 if (top < w->top) {
00261 DoSetViewportPosition(wz, left, top, width, (w->top - top));
00262 DoSetViewportPosition(wz, left, top + (w->top - top), width, height - (w->top - top));
00263 return;
00264 }
00265
00266 if (top + height > w->top + w->height) {
00267 DoSetViewportPosition(wz, left, top, width, (w->top + w->height - top));
00268 DoSetViewportPosition(wz, left, top + (w->top + w->height - top), width , height - (w->top + w->height - top));
00269 return;
00270 }
00271
00272 return;
00273 }
00274 }
00275
00276 {
00277 int xo = _vp_move_offs.x;
00278 int yo = _vp_move_offs.y;
00279
00280 if (abs(xo) >= width || abs(yo) >= height) {
00281
00282 RedrawScreenRect(left, top, left + width, top + height);
00283 return;
00284 }
00285
00286 GfxScroll(left, top, width, height, xo, yo);
00287
00288 if (xo > 0) {
00289 RedrawScreenRect(left, top, xo + left, top + height);
00290 left += xo;
00291 width -= xo;
00292 } else if (xo < 0) {
00293 RedrawScreenRect(left+width+xo, top, left+width, top + height);
00294 width += xo;
00295 }
00296
00297 if (yo > 0) {
00298 RedrawScreenRect(left, top, width+left, top + yo);
00299 } else if (yo < 0) {
00300 RedrawScreenRect(left, top + height + yo, width+left, top + height);
00301 }
00302 }
00303 }
00304
00305 static void SetViewportPosition(Window *w, int x, int y)
00306 {
00307 ViewPort *vp = w->viewport;
00308 int old_left = vp->virtual_left;
00309 int old_top = vp->virtual_top;
00310 int i;
00311 int left, top, width, height;
00312
00313 vp->virtual_left = x;
00314 vp->virtual_top = y;
00315
00316
00317
00318
00319 old_left = UnScaleByZoomLower(old_left, vp->zoom);
00320 old_top = UnScaleByZoomLower(old_top, vp->zoom);
00321 x = UnScaleByZoomLower(x, vp->zoom);
00322 y = UnScaleByZoomLower(y, vp->zoom);
00323
00324 old_left -= x;
00325 old_top -= y;
00326
00327 if (old_top == 0 && old_left == 0) return;
00328
00329 _vp_move_offs.x = old_left;
00330 _vp_move_offs.y = old_top;
00331
00332 left = vp->left;
00333 top = vp->top;
00334 width = vp->width;
00335 height = vp->height;
00336
00337 if (left < 0) {
00338 width += left;
00339 left = 0;
00340 }
00341
00342 i = left + width - _screen.width;
00343 if (i >= 0) width -= i;
00344
00345 if (width > 0) {
00346 if (top < 0) {
00347 height += top;
00348 top = 0;
00349 }
00350
00351 i = top + height - _screen.height;
00352 if (i >= 0) height -= i;
00353
00354 if (height > 0) DoSetViewportPosition(FindWindowZPosition(w) + 1, left, top, width, height);
00355 }
00356 }
00357
00358
00359 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
00360 {
00361 ViewPort *vp = w->viewport;
00362
00363 if (vp != NULL &&
00364 IsInsideMM(x, vp->left, vp->left + vp->width) &&
00365 IsInsideMM(y, vp->top, vp->top + vp->height))
00366 return vp;
00367
00368 return NULL;
00369 }
00370
00371 static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
00372 {
00373 Point pt;
00374 int a,b;
00375 uint z;
00376
00377 if ( (uint)(x -= vp->left) >= (uint)vp->width ||
00378 (uint)(y -= vp->top) >= (uint)vp->height) {
00379 Point pt = {-1, -1};
00380 return pt;
00381 }
00382
00383 x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> 2;
00384 y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> 1;
00385
00386 a = y-x;
00387 b = y+x;
00388
00389
00390
00391
00392 a = Clamp(a, 0, (int)(MapMaxX() * TILE_SIZE) - 1);
00393 b = Clamp(b, 0, (int)(MapMaxY() * TILE_SIZE) - 1);
00394
00395
00396
00397
00398
00399
00400
00401
00402 z = 0;
00403 for (int i = 0; i < 5; i++) z = GetSlopeZ(a + max(z, 4u) - 4, b + max(z, 4u) - 4) / 2;
00404 for (uint malus = 3; malus > 0; malus--) z = GetSlopeZ(a + max(z, malus) - malus, b + max(z, malus) - malus) / 2;
00405 for (int i = 0; i < 5; i++) z = GetSlopeZ(a + z, b + z) / 2;
00406
00407 pt.x = a + z;
00408 pt.y = b + z;
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;
00440
00441 vp = w->viewport;
00442
00443 if (in) {
00444 x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
00445 y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
00446 } else {
00447 x = vp->width - (_cursor.pos.x - vp->left);
00448 y = vp->height - (_cursor.pos.y - vp->top);
00449 }
00450
00451 return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
00452 }
00453
00460 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
00461 {
00462 w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
00463 w->InvalidateWidget(widget_zoom_in);
00464
00465 w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
00466 w->InvalidateWidget(widget_zoom_out);
00467 }
00468
00480 void DrawGroundSpriteAt(SpriteID image, SpriteID pal, int32 x, int32 y, byte z, const SubSprite *sub)
00481 {
00482 ViewportDrawer *vd = _cur_vd;
00483 TileSpriteToDraw *ts;
00484
00485 assert((image & SPRITE_MASK) < MAX_SPRITES);
00486
00487 if (vd->spritelist_mem >= vd->eof_spritelist_mem) {
00488 DEBUG(sprite, 0, "Out of sprite memory");
00489 return;
00490 }
00491 ts = (TileSpriteToDraw*)vd->spritelist_mem;
00492
00493 vd->spritelist_mem += sizeof(TileSpriteToDraw);
00494
00495 ts->image = image;
00496 ts->pal = pal;
00497 ts->sub = sub;
00498 ts->next = NULL;
00499 ts->x = x;
00500 ts->y = y;
00501 ts->z = z;
00502 *vd->last_tile = ts;
00503 vd->last_tile = &ts->next;
00504 }
00505
00518 static void AddChildSpriteToFoundation(SpriteID image, SpriteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
00519 {
00520 ViewportDrawer *vd = _cur_vd;
00521 assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
00522 assert(vd->foundation[foundation_part] != NULL);
00523 Point offs = vd->foundation_offset[foundation_part];
00524
00525
00526 ChildScreenSpriteToDraw **old_child = vd->last_child;
00527 vd->last_child = vd->last_foundation_child[foundation_part];
00528
00529 AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
00530
00531
00532 vd->last_child = old_child;
00533 }
00534
00543 void DrawGroundSprite(SpriteID image, SpriteID pal, const SubSprite *sub)
00544 {
00545 ViewportDrawer *vd = _cur_vd;
00546
00547 if (vd->foundation_part == FOUNDATION_PART_NONE) vd->foundation_part = FOUNDATION_PART_NORMAL;
00548
00549 if (vd->foundation[vd->foundation_part] != NULL) {
00550 AddChildSpriteToFoundation(image, pal, sub, vd->foundation_part, 0, 0);
00551 } else {
00552 DrawGroundSpriteAt(image, pal, _cur_ti->x, _cur_ti->y, _cur_ti->z, sub);
00553 }
00554 }
00555
00556
00564 void OffsetGroundSprite(int x, int y)
00565 {
00566 ViewportDrawer *vd = _cur_vd;
00567
00568 switch (vd->foundation_part) {
00569 case FOUNDATION_PART_NONE:
00570 vd->foundation_part = FOUNDATION_PART_NORMAL;
00571 break;
00572 case FOUNDATION_PART_NORMAL:
00573 vd->foundation_part = FOUNDATION_PART_HALFTILE;
00574 break;
00575 default: NOT_REACHED();
00576 }
00577
00578
00579 if (vd->last_child != NULL) vd->foundation[vd->foundation_part] = vd->parent_list[-1];
00580
00581 vd->foundation_offset[vd->foundation_part].x = x;
00582 vd->foundation_offset[vd->foundation_part].y = y;
00583 vd->last_foundation_child[vd->foundation_part] = vd->last_child;
00584 }
00585
00597 static void AddCombinedSprite(SpriteID image, SpriteID pal, int x, int y, byte z, const SubSprite *sub)
00598 {
00599 const ViewportDrawer *vd = _cur_vd;
00600 Point pt = RemapCoords(x, y, z);
00601 const Sprite* spr = GetSprite(image & SPRITE_MASK);
00602
00603 if (pt.x + spr->x_offs >= vd->dpi.left + vd->dpi.width ||
00604 pt.x + spr->x_offs + spr->width <= vd->dpi.left ||
00605 pt.y + spr->y_offs >= vd->dpi.top + vd->dpi.height ||
00606 pt.y + spr->y_offs + spr->height <= vd->dpi.top)
00607 return;
00608
00609 AddChildSpriteScreen(image, pal, pt.x - vd->parent_list[-1]->left, pt.y - vd->parent_list[-1]->top, false, sub);
00610 }
00611
00636 void AddSortableSpriteToDraw(SpriteID image, SpriteID pal, int x, int y, int w, int h, int dz, int z, bool transparent, int bb_offset_x, int bb_offset_y, int bb_offset_z, const SubSprite *sub)
00637 {
00638 ViewportDrawer *vd = _cur_vd;
00639 ParentSpriteToDraw *ps;
00640 Point pt;
00641 int32 left, right, top, bottom;
00642
00643 assert((image & SPRITE_MASK) < MAX_SPRITES);
00644
00645
00646 if (transparent) {
00647 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00648 pal = PALETTE_TO_TRANSPARENT;
00649 }
00650
00651 if (vd->combine_sprites == 2) {
00652 AddCombinedSprite(image, pal, x, y, z, sub);
00653 return;
00654 }
00655
00656 vd->last_child = NULL;
00657
00658 if (vd->spritelist_mem >= vd->eof_spritelist_mem) {
00659 DEBUG(sprite, 0, "Out of sprite memory");
00660 return;
00661 }
00662 ps = (ParentSpriteToDraw*)vd->spritelist_mem;
00663
00664 if (vd->parent_list >= vd->eof_parent_list) {
00665
00666
00667
00668
00669
00670
00671 DEBUG(sprite, 0, "Out of sprite memory (parent_list)");
00672 return;
00673 }
00674
00675 pt = RemapCoords(x, y, z);
00676 ps->x = pt.x;
00677 ps->y = pt.y;
00678
00679
00680 if (image == SPR_EMPTY_BOUNDING_BOX) {
00681 left = ps->left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
00682 right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
00683 top = ps->top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
00684 bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
00685 } else {
00686 const Sprite *spr = GetSprite(image & SPRITE_MASK);
00687 left = ps->left = (pt.x += spr->x_offs);
00688 right = (pt.x + spr->width );
00689 top = ps->top = (pt.y += spr->y_offs);
00690 bottom = (pt.y + spr->height);
00691 }
00692
00693 if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
00694
00695 left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
00696 right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
00697 top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
00698 bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
00699 }
00700
00701
00702 if (left >= vd->dpi.left + vd->dpi.width ||
00703 right <= vd->dpi.left ||
00704 top >= vd->dpi.top + vd->dpi.height ||
00705 bottom <= vd->dpi.top) {
00706 return;
00707 }
00708
00709 vd->spritelist_mem += sizeof(ParentSpriteToDraw);
00710
00711 ps->image = image;
00712 ps->pal = pal;
00713 ps->sub = sub;
00714 ps->xmin = x + bb_offset_x;
00715 ps->xmax = x + max(bb_offset_x, w) - 1;
00716
00717 ps->ymin = y + bb_offset_y;
00718 ps->ymax = y + max(bb_offset_y, h) - 1;
00719
00720 ps->zmin = z + bb_offset_z;
00721 ps->zmax = z + max(bb_offset_z, dz) - 1;
00722
00723 ps->comparison_done = false;
00724 ps->child = NULL;
00725 vd->last_child = &ps->child;
00726
00727 *vd->parent_list++ = ps;
00728
00729 if (vd->combine_sprites == 1) vd->combine_sprites = 2;
00730 }
00731
00732 void StartSpriteCombine()
00733 {
00734 _cur_vd->combine_sprites = 1;
00735 }
00736
00737 void EndSpriteCombine()
00738 {
00739 _cur_vd->combine_sprites = 0;
00740 }
00741
00752 void AddChildSpriteScreen(SpriteID image, SpriteID pal, int x, int y, bool transparent, const SubSprite *sub)
00753 {
00754 ViewportDrawer *vd = _cur_vd;
00755 ChildScreenSpriteToDraw *cs;
00756
00757 assert((image & SPRITE_MASK) < MAX_SPRITES);
00758
00759
00760 if (transparent) {
00761 SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
00762 pal = PALETTE_TO_TRANSPARENT;
00763 }
00764
00765 if (vd->spritelist_mem >= vd->eof_spritelist_mem) {
00766 DEBUG(sprite, 0, "Out of sprite memory");
00767 return;
00768 }
00769 cs = (ChildScreenSpriteToDraw*)vd->spritelist_mem;
00770
00771
00772 if (vd->last_child == NULL) return;
00773
00774 vd->spritelist_mem += sizeof(ChildScreenSpriteToDraw);
00775
00776
00777
00778 *vd->last_child = cs;
00779 if (vd->last_foundation_child[0] == vd->last_child) vd->last_foundation_child[0] = &cs->next;
00780 if (vd->last_foundation_child[1] == vd->last_child) vd->last_foundation_child[1] = &cs->next;
00781 vd->last_child = &cs->next;
00782
00783 cs->image = image;
00784 cs->pal = pal;
00785 cs->sub = sub;
00786 cs->x = x;
00787 cs->y = y;
00788 cs->next = NULL;
00789 }
00790
00791
00792 void *AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2)
00793 {
00794 ViewportDrawer *vd = _cur_vd;
00795 StringSpriteToDraw *ss;
00796
00797 if (vd->spritelist_mem >= vd->eof_spritelist_mem) {
00798 DEBUG(sprite, 0, "Out of sprite memory");
00799 return NULL;
00800 }
00801 ss = (StringSpriteToDraw*)vd->spritelist_mem;
00802
00803 vd->spritelist_mem += sizeof(StringSpriteToDraw);
00804
00805 ss->string = string;
00806 ss->next = NULL;
00807 ss->x = x;
00808 ss->y = y;
00809 ss->params[0] = params_1;
00810 ss->params[1] = params_2;
00811 ss->width = 0;
00812
00813 *vd->last_string = ss;
00814 vd->last_string = &ss->next;
00815
00816 return ss;
00817 }
00818
00819
00831 static void DrawSelectionSprite(SpriteID image, SpriteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
00832 {
00833
00834 if (_cur_vd->foundation[foundation_part] == NULL) {
00835
00836 DrawGroundSpriteAt(image, pal, ti->x, ti->y, ti->z + z_offset);
00837 } else {
00838
00839 AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
00840 }
00841 }
00842
00849 static void DrawTileSelectionRect(const TileInfo *ti, SpriteID pal)
00850 {
00851 SpriteID sel;
00852 if (IsHalftileSlope(ti->tileh)) {
00853 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00854 SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
00855 DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
00856
00857 Corner opposite_corner = OppositeCorner(halftile_corner);
00858 if (IsSteepSlope(ti->tileh)) {
00859 sel = SPR_HALFTILE_SELECTION_DOWN;
00860 } else {
00861 sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
00862 }
00863 sel += opposite_corner;
00864 } else {
00865 sel = SPR_SELECT_TILE + _tileh_to_sprite[ti->tileh];
00866 }
00867 DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
00868 }
00869
00870 static bool IsPartOfAutoLine(int px, int py)
00871 {
00872 px -= _thd.selstart.x;
00873 py -= _thd.selstart.y;
00874
00875 if ((_thd.drawstyle & ~HT_DIR_MASK) != HT_LINE) return false;
00876
00877 switch (_thd.drawstyle & HT_DIR_MASK) {
00878 case HT_DIR_X: return py == 0;
00879 case HT_DIR_Y: return px == 0;
00880 case HT_DIR_HU: return px == -py || px == -py - 16;
00881 case HT_DIR_HL: return px == -py || px == -py + 16;
00882 case HT_DIR_VL: return px == py || px == py + 16;
00883 case HT_DIR_VR: return px == py || px == py - 16;
00884 default:
00885 NOT_REACHED();
00886 }
00887 }
00888
00889
00890 static const HighLightStyle _autorail_type[6][2] = {
00891 { HT_DIR_X, HT_DIR_X },
00892 { HT_DIR_Y, HT_DIR_Y },
00893 { HT_DIR_HU, HT_DIR_HL },
00894 { HT_DIR_HL, HT_DIR_HU },
00895 { HT_DIR_VL, HT_DIR_VR },
00896 { HT_DIR_VR, HT_DIR_VL }
00897 };
00898
00899 #include "table/autorail.h"
00900
00907 static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
00908 {
00909 SpriteID image;
00910 SpriteID pal;
00911 int offset;
00912
00913 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00914 Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
00915 if (IsHalftileSlope(ti->tileh)) {
00916 static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
00917 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00918 if (autorail_type != _lower_rail[halftile_corner]) {
00919 foundation_part = FOUNDATION_PART_HALFTILE;
00920
00921 autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
00922 }
00923 }
00924
00925 offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
00926 if (offset >= 0) {
00927 image = SPR_AUTORAIL_BASE + offset;
00928 pal = PAL_NONE;
00929 } else {
00930 image = SPR_AUTORAIL_BASE - offset;
00931 pal = PALETTE_SEL_TILE_RED;
00932 }
00933
00934 DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
00935 }
00936
00941 static void DrawTileSelection(const TileInfo *ti)
00942 {
00943
00944 bool is_redsq = _thd.redsq != 0 && _thd.redsq == ti->tile;
00945 if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
00946
00947
00948 if (_thd.drawstyle == 0) return;
00949
00950
00951 if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
00952 IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
00953 if (_thd.drawstyle & HT_RECT) {
00954 if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
00955 } else if (_thd.drawstyle & HT_POINT) {
00956
00957 byte z = 0;
00958 FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
00959 if (ti->tileh & SLOPE_N) {
00960 z += TILE_HEIGHT;
00961 if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
00962 }
00963 if (IsHalftileSlope(ti->tileh)) {
00964 Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
00965 if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
00966 if (halftile_corner != CORNER_S) {
00967 foundation_part = FOUNDATION_PART_HALFTILE;
00968 if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
00969 }
00970 }
00971 DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
00972 } else if (_thd.drawstyle & HT_RAIL ) {
00973
00974 uint type = _thd.drawstyle & 0xF;
00975 assert(type <= 5);
00976 DrawAutorailSelection(ti, _autorail_type[type][0]);
00977 } else if (IsPartOfAutoLine(ti->x, ti->y)) {
00978
00979 int dir = _thd.drawstyle & ~0xF0;
00980 uint side;
00981
00982 if (dir < 2) {
00983 side = 0;
00984 } else {
00985 TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
00986 side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
00987 }
00988
00989 DrawAutorailSelection(ti, _autorail_type[dir][side]);
00990 }
00991 return;
00992 }
00993
00994
00995 if (!is_redsq && _thd.outersize.x &&
00996 _thd.size.x < _thd.size.x + _thd.outersize.x &&
00997 IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
00998 IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
00999
01000 DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
01001 return;
01002 }
01003 }
01004
01005 static void ViewportAddLandscape()
01006 {
01007 ViewportDrawer *vd = _cur_vd;
01008 int x, y, width, height;
01009 TileInfo ti;
01010 bool direction;
01011
01012 _cur_ti = &ti;
01013
01014
01015 x = ((vd->dpi.top >> 1) - (vd->dpi.left >> 2)) & ~0xF;
01016 y = ((vd->dpi.top >> 1) + (vd->dpi.left >> 2) - 0x10) & ~0xF;
01017
01018
01019 {
01020 Point pt = RemapCoords(x, y, 241);
01021 width = (vd->dpi.left + vd->dpi.width - pt.x + 95) >> 6;
01022 height = (vd->dpi.top + vd->dpi.height - pt.y) >> 5 << 1;
01023 }
01024
01025 assert(width > 0);
01026 assert(height > 0);
01027
01028 direction = false;
01029
01030 do {
01031 int width_cur = width;
01032 int x_cur = x;
01033 int y_cur = y;
01034
01035 do {
01036 TileType tt;
01037
01038 ti.x = x_cur;
01039 ti.y = y_cur;
01040 if (0 <= x_cur && x_cur < (int)MapMaxX() * TILE_SIZE &&
01041 0 <= y_cur && y_cur < (int)MapMaxY() * TILE_SIZE) {
01042 TileIndex tile = TileVirtXY(x_cur, y_cur);
01043
01044 ti.tile = tile;
01045 ti.tileh = GetTileSlope(tile, &ti.z);
01046 tt = GetTileType(tile);
01047 } else {
01048 ti.tileh = SLOPE_FLAT;
01049 ti.tile = 0;
01050 ti.z = 0;
01051 tt = MP_VOID;
01052 }
01053
01054 y_cur += 0x10;
01055 x_cur -= 0x10;
01056
01057 vd->foundation_part = FOUNDATION_PART_NONE;
01058 vd->foundation[0] = NULL;
01059 vd->foundation[1] = NULL;
01060 vd->last_foundation_child[0] = NULL;
01061 vd->last_foundation_child[1] = NULL;
01062
01063 _tile_type_procs[tt]->draw_tile_proc(&ti);
01064 DrawTileSelection(&ti);
01065 } while (--width_cur);
01066
01067 if ((direction ^= 1) != 0) {
01068 y += 0x10;
01069 } else {
01070 x += 0x10;
01071 }
01072 } while (--height);
01073 }
01074
01075
01076 static void ViewportAddTownNames(DrawPixelInfo *dpi)
01077 {
01078 Town *t;
01079 int left, top, right, bottom;
01080
01081 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU)
01082 return;
01083
01084 left = dpi->left;
01085 top = dpi->top;
01086 right = left + dpi->width;
01087 bottom = top + dpi->height;
01088
01089 switch (dpi->zoom) {
01090 case ZOOM_LVL_NORMAL:
01091 FOR_ALL_TOWNS(t) {
01092 if (bottom > t->sign.top &&
01093 top < t->sign.top + 12 &&
01094 right > t->sign.left &&
01095 left < t->sign.left + t->sign.width_1) {
01096 AddStringToDraw(t->sign.left + 1, t->sign.top + 1,
01097 _patches.population_in_label ? STR_TOWN_LABEL_POP : STR_TOWN_LABEL,
01098 t->index, t->population);
01099 }
01100 }
01101 break;
01102
01103 case ZOOM_LVL_OUT_2X:
01104 right += 2;
01105 bottom += 2;
01106
01107 FOR_ALL_TOWNS(t) {
01108 if (bottom > t->sign.top &&
01109 top < t->sign.top + 24 &&
01110 right > t->sign.left &&
01111 left < t->sign.left + t->sign.width_1*2) {
01112 AddStringToDraw(t->sign.left + 1, t->sign.top + 1,
01113 _patches.population_in_label ? STR_TOWN_LABEL_POP : STR_TOWN_LABEL,
01114 t->index, t->population);
01115 }
01116 }
01117 break;
01118
01119 case ZOOM_LVL_OUT_4X:
01120 case ZOOM_LVL_OUT_8X:
01121 right += ScaleByZoom(1, dpi->zoom);
01122 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01123
01124 FOR_ALL_TOWNS(t) {
01125 if (bottom > t->sign.top &&
01126 top < t->sign.top + ScaleByZoom(12, dpi->zoom) &&
01127 right > t->sign.left &&
01128 left < t->sign.left + ScaleByZoom(t->sign.width_2, dpi->zoom)) {
01129 AddStringToDraw(t->sign.left + 5, t->sign.top + 1, STR_TOWN_LABEL_TINY_BLACK, t->index, 0);
01130 AddStringToDraw(t->sign.left + 1, t->sign.top - 3, STR_TOWN_LABEL_TINY_WHITE, t->index, 0);
01131 }
01132 }
01133 break;
01134
01135 default: NOT_REACHED();
01136 }
01137 }
01138
01139
01140 static void AddStation(const Station *st, StringID str, uint16 width)
01141 {
01142 StringSpriteToDraw *sstd;
01143
01144 sstd = (StringSpriteToDraw*)AddStringToDraw(st->sign.left + 1, st->sign.top + 1, str, st->index, st->facilities);
01145 if (sstd != NULL) {
01146 sstd->color = (st->owner == OWNER_NONE || st->facilities == 0) ? 0xE : _player_colors[st->owner];
01147 sstd->width = width;
01148 }
01149 }
01150
01151
01152 static void ViewportAddStationNames(DrawPixelInfo *dpi)
01153 {
01154 int left, top, right, bottom;
01155 const Station *st;
01156
01157 if (!HasBit(_display_opt, DO_SHOW_STATION_NAMES) || _game_mode == GM_MENU)
01158 return;
01159
01160 left = dpi->left;
01161 top = dpi->top;
01162 right = left + dpi->width;
01163 bottom = top + dpi->height;
01164
01165 switch (dpi->zoom) {
01166 case ZOOM_LVL_NORMAL:
01167 FOR_ALL_STATIONS(st) {
01168 if (bottom > st->sign.top &&
01169 top < st->sign.top + 12 &&
01170 right > st->sign.left &&
01171 left < st->sign.left + st->sign.width_1) {
01172 AddStation(st, STR_305C_0, st->sign.width_1);
01173 }
01174 }
01175 break;
01176
01177 case ZOOM_LVL_OUT_2X:
01178 right += 2;
01179 bottom += 2;
01180 FOR_ALL_STATIONS(st) {
01181 if (bottom > st->sign.top &&
01182 top < st->sign.top + 24 &&
01183 right > st->sign.left &&
01184 left < st->sign.left + st->sign.width_1*2) {
01185 AddStation(st, STR_305C_0, st->sign.width_1);
01186 }
01187 }
01188 break;
01189
01190 case ZOOM_LVL_OUT_4X:
01191 case ZOOM_LVL_OUT_8X:
01192 right += ScaleByZoom(1, dpi->zoom);
01193 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01194
01195 FOR_ALL_STATIONS(st) {
01196 if (bottom > st->sign.top &&
01197 top < st->sign.top + ScaleByZoom(12, dpi->zoom) &&
01198 right > st->sign.left &&
01199 left < st->sign.left + ScaleByZoom(st->sign.width_2, dpi->zoom)) {
01200 AddStation(st, STR_STATION_SIGN_TINY, st->sign.width_2 | 0x8000);
01201 }
01202 }
01203 break;
01204
01205 default: NOT_REACHED();
01206 }
01207 }
01208
01209
01210 static void AddSign(const Sign *si, StringID str, uint16 width)
01211 {
01212 StringSpriteToDraw *sstd;
01213
01214 sstd = (StringSpriteToDraw*)AddStringToDraw(si->sign.left + 1, si->sign.top + 1, str, si->index, 0);
01215 if (sstd != NULL) {
01216 sstd->color = (si->owner == OWNER_NONE) ? 14 : _player_colors[si->owner];
01217 sstd->width = width;
01218 }
01219 }
01220
01221
01222 static void ViewportAddSigns(DrawPixelInfo *dpi)
01223 {
01224 const Sign *si;
01225 int left, top, right, bottom;
01226
01227 if (!HasBit(_display_opt, DO_SHOW_SIGNS))
01228 return;
01229
01230 left = dpi->left;
01231 top = dpi->top;
01232 right = left + dpi->width;
01233 bottom = top + dpi->height;
01234
01235 switch (dpi->zoom) {
01236 case ZOOM_LVL_NORMAL:
01237 FOR_ALL_SIGNS(si) {
01238 if (bottom > si->sign.top &&
01239 top < si->sign.top + 12 &&
01240 right > si->sign.left &&
01241 left < si->sign.left + si->sign.width_1) {
01242 AddSign(si, STR_2806, si->sign.width_1);
01243 }
01244 }
01245 break;
01246
01247 case ZOOM_LVL_OUT_2X:
01248 right += 2;
01249 bottom += 2;
01250 FOR_ALL_SIGNS(si) {
01251 if (bottom > si->sign.top &&
01252 top < si->sign.top + 24 &&
01253 right > si->sign.left &&
01254 left < si->sign.left + si->sign.width_1 * 2) {
01255 AddSign(si, STR_2806, si->sign.width_1);
01256 }
01257 }
01258 break;
01259
01260 case ZOOM_LVL_OUT_4X:
01261 case ZOOM_LVL_OUT_8X:
01262 right += ScaleByZoom(1, dpi->zoom);
01263 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01264
01265 FOR_ALL_SIGNS(si) {
01266 if (bottom > si->sign.top &&
01267 top < si->sign.top + ScaleByZoom(12, dpi->zoom) &&
01268 right > si->sign.left &&
01269 left < si->sign.left + ScaleByZoom(si->sign.width_2, dpi->zoom)) {
01270 AddSign(si, IsTransparencySet(TO_SIGNS) ? STR_2002_WHITE : STR_2002, si->sign.width_2 | 0x8000);
01271 }
01272 }
01273 break;
01274
01275 default: NOT_REACHED();
01276 }
01277 }
01278
01279
01280 static void AddWaypoint(const Waypoint *wp, StringID str, uint16 width)
01281 {
01282 StringSpriteToDraw *sstd;
01283
01284 sstd = (StringSpriteToDraw*)AddStringToDraw(wp->sign.left + 1, wp->sign.top + 1, str, wp->index, 0);
01285 if (sstd != NULL) {
01286 sstd->color = (wp->deleted ? 0xE : 11);
01287 sstd->width = width;
01288 }
01289 }
01290
01291
01292 static void ViewportAddWaypoints(DrawPixelInfo *dpi)
01293 {
01294 const Waypoint *wp;
01295 int left, top, right, bottom;
01296
01297 if (!HasBit(_display_opt, DO_WAYPOINTS))
01298 return;
01299
01300 left = dpi->left;
01301 top = dpi->top;
01302 right = left + dpi->width;
01303 bottom = top + dpi->height;
01304
01305 switch (dpi->zoom) {
01306 case ZOOM_LVL_NORMAL:
01307 FOR_ALL_WAYPOINTS(wp) {
01308 if (bottom > wp->sign.top &&
01309 top < wp->sign.top + 12 &&
01310 right > wp->sign.left &&
01311 left < wp->sign.left + wp->sign.width_1) {
01312 AddWaypoint(wp, STR_WAYPOINT_VIEWPORT, wp->sign.width_1);
01313 }
01314 }
01315 break;
01316
01317 case ZOOM_LVL_OUT_2X:
01318 right += 2;
01319 bottom += 2;
01320 FOR_ALL_WAYPOINTS(wp) {
01321 if (bottom > wp->sign.top &&
01322 top < wp->sign.top + 24 &&
01323 right > wp->sign.left &&
01324 left < wp->sign.left + wp->sign.width_1*2) {
01325 AddWaypoint(wp, STR_WAYPOINT_VIEWPORT, wp->sign.width_1);
01326 }
01327 }
01328 break;
01329
01330 case ZOOM_LVL_OUT_4X:
01331 case ZOOM_LVL_OUT_8X:
01332 right += ScaleByZoom(1, dpi->zoom);
01333 bottom += ScaleByZoom(1, dpi->zoom) + 1;
01334
01335 FOR_ALL_WAYPOINTS(wp) {
01336 if (bottom > wp->sign.top &&
01337 top < wp->sign.top + ScaleByZoom(12, dpi->zoom) &&
01338 right > wp->sign.left &&
01339 left < wp->sign.left + ScaleByZoom(wp->sign.width_2, dpi->zoom)) {
01340 AddWaypoint(wp, STR_WAYPOINT_VIEWPORT_TINY, wp->sign.width_2 | 0x8000);
01341 }
01342 }
01343 break;
01344
01345 default: NOT_REACHED();
01346 }
01347 }
01348
01349 void UpdateViewportSignPos(ViewportSign *sign, int left, int top, StringID str)
01350 {
01351 char buffer[256];
01352 uint w;
01353
01354 sign->top = top;
01355
01356 GetString(buffer, str, lastof(buffer));
01357 w = GetStringBoundingBox(buffer).width + 3;
01358 sign->width_1 = w;
01359 sign->left = left - w / 2;
01360
01361
01362 _cur_fontsize = FS_SMALL;
01363 w = GetStringBoundingBox(buffer).width + 3;
01364 _cur_fontsize = FS_NORMAL;
01365 sign->width_2 = w;
01366 }
01367
01368
01369 static void ViewportDrawTileSprites(TileSpriteToDraw *ts)
01370 {
01371 do {
01372 Point pt = RemapCoords(ts->x, ts->y, ts->z);
01373 DrawSprite(ts->image, ts->pal, pt.x, pt.y, ts->sub);
01374 ts = ts->next;
01375 } while (ts != NULL);
01376 }
01377
01378 static void ViewportSortParentSprites(ParentSpriteToDraw *psd[])
01379 {
01380 while (*psd != NULL) {
01381 ParentSpriteToDraw* ps = *psd;
01382
01383 if (!ps->comparison_done) {
01384 ParentSpriteToDraw** psd2 = psd;
01385
01386 ps->comparison_done = true;
01387
01388 while (*++psd2 != NULL) {
01389 ParentSpriteToDraw* ps2 = *psd2;
01390 ParentSpriteToDraw** psd3;
01391
01392 if (ps2->comparison_done) continue;
01393
01394
01395
01396
01397 if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax &&
01398 ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax &&
01399 ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) {
01400
01401
01402
01403
01404
01405
01406 if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
01407 ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
01408 continue;
01409 }
01410 } else {
01411
01412
01413
01414
01415 if (ps->xmax < ps2->xmin ||
01416 ps->ymax < ps2->ymin ||
01417 ps->zmax < ps2->zmin) {
01418 continue;
01419 }
01420 }
01421
01422
01423 psd3 = psd;
01424 do {
01425 ParentSpriteToDraw* temp = *psd3;
01426 *psd3 = ps2;
01427 ps2 = temp;
01428
01429 psd3++;
01430 } while (psd3 <= psd2);
01431 }
01432 } else {
01433 psd++;
01434 }
01435 }
01436 }
01437
01438 static void ViewportDrawParentSprites(ParentSpriteToDraw *psd[])
01439 {
01440 for (; *psd != NULL; psd++) {
01441 const ParentSpriteToDraw* ps = *psd;
01442 const ChildScreenSpriteToDraw* cs;
01443
01444 if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, ps->x, ps->y, ps->sub);
01445
01446 for (cs = ps->child; cs != NULL; cs = cs->next) {
01447 DrawSprite(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
01448 }
01449 }
01450 }
01451
01456 static void ViewportDrawBoundingBoxes(ParentSpriteToDraw *psd[])
01457 {
01458 for (; *psd != NULL; psd++) {
01459 const ParentSpriteToDraw* ps = *psd;
01460 Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1);
01461 Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1);
01462 Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1);
01463 Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin );
01464
01465 DrawBox( pt1.x, pt1.y,
01466 pt2.x - pt1.x, pt2.y - pt1.y,
01467 pt3.x - pt1.x, pt3.y - pt1.y,
01468 pt4.x - pt1.x, pt4.y - pt1.y);
01469 }
01470 }
01471
01472 static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDraw *ss)
01473 {
01474 DrawPixelInfo dp;
01475 ZoomLevel zoom;
01476
01477 _cur_dpi = &dp;
01478 dp = *dpi;
01479
01480 zoom = dp.zoom;
01481 dp.zoom = ZOOM_LVL_NORMAL;
01482
01483 dp.left = UnScaleByZoom(dp.left, zoom);
01484 dp.top = UnScaleByZoom(dp.top, zoom);
01485 dp.width = UnScaleByZoom(dp.width, zoom);
01486 dp.height = UnScaleByZoom(dp.height, zoom);
01487
01488 do {
01489 uint16 colour;
01490
01491 if (ss->width != 0) {
01492 int x = UnScaleByZoom(ss->x, zoom) - 1;
01493 int y = UnScaleByZoom(ss->y, zoom) - 1;
01494 int bottom = y + 11;
01495 int w = ss->width;
01496
01497 if (w & 0x8000) {
01498 w &= ~0x8000;
01499 y--;
01500 bottom -= 6;
01501 w -= 3;
01502 }
01503
01504
01505
01506 if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_2806) {
01507 DrawFrameRect(
01508 x, y, x + w, bottom, ss->color,
01509 IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
01510 );
01511 }
01512 }
01513
01514 SetDParam(0, ss->params[0]);
01515 SetDParam(1, ss->params[1]);
01516
01517
01518 if (IsTransparencySet(TO_SIGNS) && ss->string != STR_2806 && ss->width != 0) {
01519
01520
01521 colour = _colour_gradient[ss->color][6] | IS_PALETTE_COLOR;
01522 } else {
01523 colour = TC_BLACK;
01524 }
01525 DrawString(
01526 UnScaleByZoom(ss->x, zoom), UnScaleByZoom(ss->y, zoom) - (ss->width & 0x8000 ? 2 : 0),
01527 ss->string, colour
01528 );
01529
01530 ss = ss->next;
01531 } while (ss != NULL);
01532 }
01533
01534 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01535 {
01536 ViewportDrawer vd;
01537 int mask;
01538 int x;
01539 int y;
01540 DrawPixelInfo *old_dpi;
01541
01542 byte mem[VIEWPORT_DRAW_MEM];
01543 ParentSpriteToDraw *parent_list[6144];
01544
01545 _cur_vd = &vd;
01546
01547 old_dpi = _cur_dpi;
01548 _cur_dpi = &vd.dpi;
01549
01550 vd.dpi.zoom = vp->zoom;
01551 mask = ScaleByZoom(-1, vp->zoom);
01552
01553 vd.combine_sprites = 0;
01554
01555 vd.dpi.width = (right - left) & mask;
01556 vd.dpi.height = (bottom - top) & mask;
01557 vd.dpi.left = left & mask;
01558 vd.dpi.top = top & mask;
01559 vd.dpi.pitch = old_dpi->pitch;
01560
01561 x = UnScaleByZoom(vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
01562 y = UnScaleByZoom(vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
01563
01564 vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
01565
01566 vd.parent_list = parent_list;
01567 vd.eof_parent_list = endof(parent_list);
01568 vd.spritelist_mem = mem;
01569 vd.eof_spritelist_mem = endof(mem) - sizeof(LARGEST_SPRITELIST_STRUCT);
01570 vd.last_string = &vd.first_string;
01571 vd.first_string = NULL;
01572 vd.last_tile = &vd.first_tile;
01573 vd.first_tile = NULL;
01574
01575 ViewportAddLandscape();
01576 ViewportAddVehicles(&vd.dpi);
01577 DrawTextEffects(&vd.dpi);
01578
01579 ViewportAddTownNames(&vd.dpi);
01580 ViewportAddStationNames(&vd.dpi);
01581 ViewportAddSigns(&vd.dpi);
01582 ViewportAddWaypoints(&vd.dpi);
01583
01584
01585
01586 assert(vd.parent_list <= endof(parent_list));
01587
01588 if (vd.first_tile != NULL) ViewportDrawTileSprites(vd.first_tile);
01589
01590
01591 *vd.parent_list = NULL;
01592
01593 ViewportSortParentSprites(parent_list);
01594 ViewportDrawParentSprites(parent_list);
01595
01596 if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(parent_list);
01597
01598 if (vd.first_string != NULL) ViewportDrawStrings(&vd.dpi, vd.first_string);
01599
01600 _cur_dpi = old_dpi;
01601 }
01602
01605 static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
01606 {
01607 if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000) {
01608 if ((bottom - top) > (right - left)) {
01609 int t = (top + bottom) >> 1;
01610 ViewportDrawChk(vp, left, top, right, t);
01611 ViewportDrawChk(vp, left, t, right, bottom);
01612 } else {
01613 int t = (left + right) >> 1;
01614 ViewportDrawChk(vp, left, top, t, bottom);
01615 ViewportDrawChk(vp, t, top, right, bottom);
01616 }
01617 } else {
01618 ViewportDoDraw(vp,
01619 ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
01620 ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
01621 ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
01622 ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
01623 );
01624 }
01625 }
01626
01627 static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
01628 {
01629 if (right <= vp->left || bottom <= vp->top) return;
01630
01631 if (left >= vp->left + vp->width) return;
01632
01633 if (left < vp->left) left = vp->left;
01634 if (right > vp->left + vp->width) right = vp->left + vp->width;
01635
01636 if (top >= vp->top + vp->height) return;
01637
01638 if (top < vp->top) top = vp->top;
01639 if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
01640
01641 ViewportDrawChk(vp, left, top, right, bottom);
01642 }
01643
01644 void DrawWindowViewport(const Window *w)
01645 {
01646 DrawPixelInfo *dpi = _cur_dpi;
01647
01648 dpi->left += w->left;
01649 dpi->top += w->top;
01650
01651 ViewportDraw(w->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
01652
01653 dpi->left -= w->left;
01654 dpi->top -= w->top;
01655 }
01656
01657 static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
01658 {
01659
01660 x += vp->virtual_width / 2;
01661 y += vp->virtual_height / 2;
01662
01663
01664
01665 int vx = -x + y * 2;
01666 int vy = x + y * 2;
01667
01668
01669 vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4);
01670 vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4);
01671
01672
01673 x = (-vx + vy) / 2;
01674 y = ( vx + vy) / 4;
01675
01676
01677 x -= vp->virtual_width / 2;
01678 y -= vp->virtual_height / 2;
01679 }
01680
01681 void UpdateViewportPosition(Window *w)
01682 {
01683 const ViewPort *vp = w->viewport;
01684
01685 if (WP(w, vp_d).follow_vehicle != INVALID_VEHICLE) {
01686 const Vehicle* veh = GetVehicle(WP(w, vp_d).follow_vehicle);
01687 Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
01688
01689 SetViewportPosition(w, pt.x, pt.y);
01690 } else {
01691
01692 ClampViewportToMap(vp, WP(w, vp_d).dest_scrollpos_x, WP(w, vp_d).dest_scrollpos_y);
01693
01694 int delta_x = WP(w, vp_d).dest_scrollpos_x - WP(w, vp_d).scrollpos_x;
01695 int delta_y = WP(w, vp_d).dest_scrollpos_y - WP(w, vp_d).scrollpos_y;
01696
01697 if (delta_x != 0 || delta_y != 0) {
01698 if (_patches.smooth_scroll) {
01699 int max_scroll = ScaleByMapSize1D(512);
01700
01701 WP(w, vp_d).scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
01702 WP(w, vp_d).scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
01703 } else {
01704 WP(w, vp_d).scrollpos_x = WP(w, vp_d).dest_scrollpos_x;
01705 WP(w, vp_d).scrollpos_y = WP(w, vp_d).dest_scrollpos_y;
01706 }
01707 }
01708
01709 ClampViewportToMap(vp, WP(w, vp_d).scrollpos_x, WP(w, vp_d).scrollpos_y);
01710
01711 SetViewportPosition(w, WP(w, vp_d).scrollpos_x, WP(w, vp_d).scrollpos_y);
01712 }
01713 }
01714
01723 static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
01724 {
01725 right -= vp->virtual_left;
01726 if (right <= 0) return;
01727
01728 bottom -= vp->virtual_top;
01729 if (bottom <= 0) return;
01730
01731 left = max(0, left - vp->virtual_left);
01732
01733 if (left >= vp->virtual_width) return;
01734
01735 top = max(0, top - vp->virtual_top);
01736
01737 if (top >= vp->virtual_height) return;
01738
01739 SetDirtyBlocks(
01740 UnScaleByZoom(left, vp->zoom) + vp->left,
01741 UnScaleByZoom(top, vp->zoom) + vp->top,
01742 UnScaleByZoom(right, vp->zoom) + vp->left,
01743 UnScaleByZoom(bottom, vp->zoom) + vp->top
01744 );
01745 }
01746
01747 void MarkAllViewportsDirty(int left, int top, int right, int bottom)
01748 {
01749 const ViewPort *vp = _viewports;
01750 uint32 act = _active_viewports;
01751 do {
01752 if (act & 1) {
01753 assert(vp->width != 0);
01754 MarkViewportDirty(vp, left, top, right, bottom);
01755 }
01756 } while (vp++,act>>=1);
01757 }
01758
01759 void MarkTileDirtyByTile(TileIndex tile)
01760 {
01761 Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
01762 MarkAllViewportsDirty(
01763 pt.x - 31,
01764 pt.y - 122,
01765 pt.x - 31 + 67,
01766 pt.y - 122 + 154
01767 );
01768 }
01769
01770 void MarkTileDirty(int x, int y)
01771 {
01772 uint z = 0;
01773 Point pt;
01774
01775 if (IsInsideMM(x, 0, MapSizeX() * TILE_SIZE) &&
01776 IsInsideMM(y, 0, MapSizeY() * TILE_SIZE))
01777 z = GetTileZ(TileVirtXY(x, y));
01778 pt = RemapCoords(x, y, z);
01779
01780 MarkAllViewportsDirty(
01781 pt.x - 31,
01782 pt.y - 122,
01783 pt.x - 31 + 67,
01784 pt.y - 122 + 154
01785 );
01786 }
01787
01796 static void SetSelectionTilesDirty()
01797 {
01798 int y_size, x_size;
01799 int x = _thd.pos.x;
01800 int y = _thd.pos.y;
01801
01802 x_size = _thd.size.x;
01803 y_size = _thd.size.y;
01804
01805 if (_thd.outersize.x) {
01806 x_size += _thd.outersize.x;
01807 x += _thd.offs.x;
01808 y_size += _thd.outersize.y;
01809 y += _thd.offs.y;
01810 }
01811
01812 assert(x_size > 0);
01813 assert(y_size > 0);
01814
01815 x_size += x;
01816 y_size += y;
01817
01818 do {
01819 int y_bk = y;
01820 do {
01821 MarkTileDirty(x, y);
01822 } while ( (y += TILE_SIZE) != y_size);
01823 y = y_bk;
01824 } while ( (x += TILE_SIZE) != x_size);
01825 }
01826
01827
01828 void SetSelectionRed(bool b)
01829 {
01830 _thd.make_square_red = b;
01831 SetSelectionTilesDirty();
01832 }
01833
01834
01835 static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
01836 {
01837 const Town *t;
01838
01839 if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
01840
01841 switch (vp->zoom) {
01842 case ZOOM_LVL_NORMAL:
01843 x = x - vp->left + vp->virtual_left;
01844 y = y - vp->top + vp->virtual_top;
01845 FOR_ALL_TOWNS(t) {
01846 if (y >= t->sign.top &&
01847 y < t->sign.top + 12 &&
01848 x >= t->sign.left &&
01849 x < t->sign.left + t->sign.width_1) {
01850 ShowTownViewWindow(t->index);
01851 return true;
01852 }
01853 }
01854 break;
01855
01856 case ZOOM_LVL_OUT_2X:
01857 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01858 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01859 FOR_ALL_TOWNS(t) {
01860 if (y >= t->sign.top &&
01861 y < t->sign.top + 24 &&
01862 x >= t->sign.left &&
01863 x < t->sign.left + t->sign.width_1 * 2) {
01864 ShowTownViewWindow(t->index);
01865 return true;
01866 }
01867 }
01868 break;
01869
01870 case ZOOM_LVL_OUT_4X:
01871 case ZOOM_LVL_OUT_8X:
01872 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01873 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01874
01875 FOR_ALL_TOWNS(t) {
01876 if (y >= t->sign.top &&
01877 y < t->sign.top + ScaleByZoom(12, vp->zoom) &&
01878 x >= t->sign.left &&
01879 x < t->sign.left + ScaleByZoom(t->sign.width_2, vp->zoom)) {
01880 ShowTownViewWindow(t->index);
01881 return true;
01882 }
01883 }
01884 break;
01885
01886 default: NOT_REACHED();
01887 }
01888
01889 return false;
01890 }
01891
01892
01893 static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
01894 {
01895 const Station *st;
01896
01897 if (!HasBit(_display_opt, DO_SHOW_STATION_NAMES)) return false;
01898
01899 switch (vp->zoom) {
01900 case ZOOM_LVL_NORMAL:
01901 x = x - vp->left + vp->virtual_left;
01902 y = y - vp->top + vp->virtual_top;
01903 FOR_ALL_STATIONS(st) {
01904 if (y >= st->sign.top &&
01905 y < st->sign.top + 12 &&
01906 x >= st->sign.left &&
01907 x < st->sign.left + st->sign.width_1) {
01908 ShowStationViewWindow(st->index);
01909 return true;
01910 }
01911 }
01912 break;
01913
01914 case ZOOM_LVL_OUT_2X:
01915 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01916 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01917 FOR_ALL_STATIONS(st) {
01918 if (y >= st->sign.top &&
01919 y < st->sign.top + 24 &&
01920 x >= st->sign.left &&
01921 x < st->sign.left + st->sign.width_1 * 2) {
01922 ShowStationViewWindow(st->index);
01923 return true;
01924 }
01925 }
01926 break;
01927
01928 case ZOOM_LVL_OUT_4X:
01929 case ZOOM_LVL_OUT_8X:
01930 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01931 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01932
01933 FOR_ALL_STATIONS(st) {
01934 if (y >= st->sign.top &&
01935 y < st->sign.top + ScaleByZoom(12, vp->zoom) &&
01936 x >= st->sign.left &&
01937 x < st->sign.left + ScaleByZoom(st->sign.width_2, vp->zoom)) {
01938 ShowStationViewWindow(st->index);
01939 return true;
01940 }
01941 }
01942 break;
01943
01944 default: NOT_REACHED();
01945 }
01946
01947 return false;
01948 }
01949
01950
01951 static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
01952 {
01953 const Sign *si;
01954
01955 if (!HasBit(_display_opt, DO_SHOW_SIGNS) || _current_player == PLAYER_SPECTATOR) return false;
01956
01957 switch (vp->zoom) {
01958 case ZOOM_LVL_NORMAL:
01959 x = x - vp->left + vp->virtual_left;
01960 y = y - vp->top + vp->virtual_top;
01961 FOR_ALL_SIGNS(si) {
01962 if (y >= si->sign.top &&
01963 y < si->sign.top + 12 &&
01964 x >= si->sign.left &&
01965 x < si->sign.left + si->sign.width_1) {
01966 ShowRenameSignWindow(si);
01967 return true;
01968 }
01969 }
01970 break;
01971
01972 case ZOOM_LVL_OUT_2X:
01973 x = (x - vp->left + 1) * 2 + vp->virtual_left;
01974 y = (y - vp->top + 1) * 2 + vp->virtual_top;
01975 FOR_ALL_SIGNS(si) {
01976 if (y >= si->sign.top &&
01977 y < si->sign.top + 24 &&
01978 x >= si->sign.left &&
01979 x < si->sign.left + si->sign.width_1 * 2) {
01980 ShowRenameSignWindow(si);
01981 return true;
01982 }
01983 }
01984 break;
01985
01986 case ZOOM_LVL_OUT_4X:
01987 case ZOOM_LVL_OUT_8X:
01988 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
01989 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
01990
01991 FOR_ALL_SIGNS(si) {
01992 if (y >= si->sign.top &&
01993 y < si->sign.top + ScaleByZoom(12, vp->zoom) &&
01994 x >= si->sign.left &&
01995 x < si->sign.left + ScaleByZoom(si->sign.width_2, vp->zoom)) {
01996 ShowRenameSignWindow(si);
01997 return true;
01998 }
01999 }
02000 break;
02001
02002 default: NOT_REACHED();
02003 }
02004
02005 return false;
02006 }
02007
02008
02009 static bool CheckClickOnWaypoint(const ViewPort *vp, int x, int y)
02010 {
02011 const Waypoint *wp;
02012
02013 if (!HasBit(_display_opt, DO_WAYPOINTS)) return false;
02014
02015 switch (vp->zoom) {
02016 case ZOOM_LVL_NORMAL:
02017 x = x - vp->left + vp->virtual_left;
02018 y = y - vp->top + vp->virtual_top;
02019 FOR_ALL_WAYPOINTS(wp) {
02020 if (y >= wp->sign.top &&
02021 y < wp->sign.top + 12 &&
02022 x >= wp->sign.left &&
02023 x < wp->sign.left + wp->sign.width_1) {
02024 ShowRenameWaypointWindow(wp);
02025 return true;
02026 }
02027 }
02028 break;
02029
02030 case ZOOM_LVL_OUT_2X:
02031 x = (x - vp->left + 1) * 2 + vp->virtual_left;
02032 y = (y - vp->top + 1) * 2 + vp->virtual_top;
02033 FOR_ALL_WAYPOINTS(wp) {
02034 if (y >= wp->sign.top &&
02035 y < wp->sign.top + 24 &&
02036 x >= wp->sign.left &&
02037 x < wp->sign.left + wp->sign.width_1 * 2) {
02038 ShowRenameWaypointWindow(wp);
02039 return true;
02040 }
02041 }
02042 break;
02043
02044 case ZOOM_LVL_OUT_4X:
02045 case ZOOM_LVL_OUT_8X:
02046 x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
02047 y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
02048
02049 FOR_ALL_WAYPOINTS(wp) {
02050 if (y >= wp->sign.top &&
02051 y < wp->sign.top + ScaleByZoom(12, vp->zoom) &&
02052 x >= wp->sign.left &&
02053 x < wp->sign.left + ScaleByZoom(wp->sign.width_2, vp->zoom)) {
02054 ShowRenameWaypointWindow(wp);
02055 return true;
02056 }
02057 }
02058 break;
02059
02060 default: NOT_REACHED();
02061 }
02062
02063 return false;
02064 }
02065
02066
02067 static void CheckClickOnLandscape(const ViewPort *vp, int x, int y)
02068 {
02069 Point pt = TranslateXYToTileCoord(vp, x, y);
02070
02071 if (pt.x != -1) ClickTile(TileVirtXY(pt.x, pt.y));
02072 }
02073
02074
02075 static void SafeShowTrainViewWindow(const Vehicle* v)
02076 {
02077 if (!IsFrontEngine(v)) v = v->First();
02078 ShowVehicleViewWindow(v);
02079 }
02080
02081 static void SafeShowRoadVehViewWindow(const Vehicle *v)
02082 {
02083 if (!IsRoadVehFront(v)) v = v->First();
02084 ShowVehicleViewWindow(v);
02085 }
02086
02087 static void Nop(const Vehicle *v) {}
02088
02089 typedef void OnVehicleClickProc(const Vehicle *v);
02090 static OnVehicleClickProc* const _on_vehicle_click_proc[] = {
02091 SafeShowTrainViewWindow,
02092 SafeShowRoadVehViewWindow,
02093 ShowVehicleViewWindow,
02094 ShowVehicleViewWindow,
02095 Nop,
02096 Nop
02097 };
02098
02099 void HandleViewportClicked(const ViewPort *vp, int x, int y)
02100 {
02101 const Vehicle *v;
02102
02103 if (CheckClickOnTown(vp, x, y)) return;
02104 if (CheckClickOnStation(vp, x, y)) return;
02105 if (CheckClickOnSign(vp, x, y)) return;
02106 if (CheckClickOnWaypoint(vp, x, y)) return;
02107 CheckClickOnLandscape(vp, x, y);
02108
02109 v = CheckClickOnVehicle(vp, x, y);
02110 if (v != NULL) {
02111 DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
02112 _on_vehicle_click_proc[v->type](v);
02113 }
02114 }
02115
02116 Vehicle *CheckMouseOverVehicle()
02117 {
02118 const Window *w;
02119 const ViewPort *vp;
02120
02121 int x = _cursor.pos.x;
02122 int y = _cursor.pos.y;
02123
02124 w = FindWindowFromPt(x, y);
02125 if (w == NULL) return NULL;
02126
02127 vp = IsPtInWindowViewport(w, x, y);
02128 return (vp != NULL) ? CheckClickOnVehicle(vp, x, y) : NULL;
02129 }
02130
02131
02132
02133 void PlaceObject()
02134 {
02135 Point pt;
02136 Window *w;
02137
02138 pt = GetTileBelowCursor();
02139 if (pt.x == -1) return;
02140
02141 if (_thd.place_mode == VHM_POINT) {
02142 pt.x += 8;
02143 pt.y += 8;
02144 }
02145
02146 _tile_fract_coords.x = pt.x & 0xF;
02147 _tile_fract_coords.y = pt.y & 0xF;
02148
02149 w = GetCallbackWnd();
02150 if (w != NULL) {
02151 WindowEvent e;
02152
02153 e.event = WE_PLACE_OBJ;
02154 e.we.place.pt = pt;
02155 e.we.place.tile = TileVirtXY(pt.x, pt.y);
02156 w->wndproc(w, &e);
02157 }
02158 }
02159
02160
02161
02162 bool ScrollWindowTo(int x , int y, Window *w, bool instant)
02163 {
02164
02165 Point pt = MapXYZToViewport(w->viewport, x, y, GetSlopeZ(Clamp(x, 0, MapSizeX() * TILE_SIZE), Clamp(y, 0, MapSizeY() * TILE_SIZE)));
02166 WP(w, vp_d).follow_vehicle = INVALID_VEHICLE;
02167
02168 if (WP(w, vp_d).dest_scrollpos_x == pt.x && WP(w, vp_d).dest_scrollpos_y == pt.y)
02169 return false;
02170
02171 if (instant) {
02172 WP(w, vp_d).scrollpos_x = pt.x;
02173 WP(w, vp_d).scrollpos_y = pt.y;
02174 }
02175
02176 WP(w, vp_d).dest_scrollpos_x = pt.x;
02177 WP(w, vp_d).dest_scrollpos_y = pt.y;
02178 return true;
02179 }
02180
02181
02182 bool ScrollMainWindowTo(int x, int y, bool instant)
02183 {
02184 Window *w;
02185 bool res = ScrollWindowTo(x, y, FindWindowById(WC_MAIN_WINDOW, 0), instant);
02186
02187
02188
02189
02190
02191 if (res) return res;
02192
02193 w = FindWindowById(WC_SMALLMAP, 0);
02194 if (w == NULL) return res;
02195
02196 SmallMapCenterOnCurrentPos(w);
02197
02198 return res;
02199 }
02200
02201
02202 bool ScrollMainWindowToTile(TileIndex tile, bool instant)
02203 {
02204 return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, instant);
02205 }
02206
02207 void SetRedErrorSquare(TileIndex tile)
02208 {
02209 TileIndex old;
02210
02211 old = _thd.redsq;
02212 _thd.redsq = tile;
02213
02214 if (tile != old) {
02215 if (tile != 0) MarkTileDirtyByTile(tile);
02216 if (old != 0) MarkTileDirtyByTile(old);
02217 }
02218 }
02219
02220 void SetTileSelectSize(int w, int h)
02221 {
02222 _thd.new_size.x = w * TILE_SIZE;
02223 _thd.new_size.y = h * TILE_SIZE;
02224 _thd.new_outersize.x = 0;
02225 _thd.new_outersize.y = 0;
02226 }
02227
02228 void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
02229 {
02230 _thd.offs.x = ox * TILE_SIZE;
02231 _thd.offs.y = oy * TILE_SIZE;
02232 _thd.new_outersize.x = sx * TILE_SIZE;
02233 _thd.new_outersize.y = sy * TILE_SIZE;
02234 }
02235
02237 static HighLightStyle GetAutorailHT(int x, int y)
02238 {
02239 return HT_RAIL | _autorail_piece[x & 0xF][y & 0xF];
02240 }
02241
02250 void UpdateTileSelection()
02251 {
02252 int x1;
02253 int y1;
02254
02255 _thd.new_drawstyle = 0;
02256
02257 if (_thd.place_mode == VHM_SPECIAL) {
02258 x1 = _thd.selend.x;
02259 y1 = _thd.selend.y;
02260 if (x1 != -1) {
02261 int x2 = _thd.selstart.x & ~0xF;
02262 int y2 = _thd.selstart.y & ~0xF;
02263 x1 &= ~0xF;
02264 y1 &= ~0xF;
02265
02266 if (x1 >= x2) Swap(x1, x2);
02267 if (y1 >= y2) Swap(y1, y2);
02268 _thd.new_pos.x = x1;
02269 _thd.new_pos.y = y1;
02270 _thd.new_size.x = x2 - x1 + TILE_SIZE;
02271 _thd.new_size.y = y2 - y1 + TILE_SIZE;
02272 _thd.new_drawstyle = _thd.next_drawstyle;
02273 }
02274 } else if (_thd.place_mode != VHM_NONE) {
02275 Point pt = GetTileBelowCursor();
02276 x1 = pt.x;
02277 y1 = pt.y;
02278 if (x1 != -1) {
02279 switch (_thd.place_mode) {
02280 case VHM_RECT:
02281 _thd.new_drawstyle = HT_RECT;
02282 break;
02283 case VHM_POINT:
02284 _thd.new_drawstyle = HT_POINT;
02285 x1 += 8;
02286 y1 += 8;
02287 break;
02288 case VHM_RAIL:
02289 _thd.new_drawstyle = GetAutorailHT(pt.x, pt.y);
02290 break;
02291 default:
02292 NOT_REACHED();
02293 break;
02294 }
02295 _thd.new_pos.x = x1 & ~0xF;
02296 _thd.new_pos.y = y1 & ~0xF;
02297 }
02298 }
02299
02300
02301 if (_thd.drawstyle != _thd.new_drawstyle ||
02302 _thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
02303 _thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
02304 _thd.outersize.x != _thd.new_outersize.x ||
02305 _thd.outersize.y != _thd.new_outersize.y) {
02306
02307 if (_thd.drawstyle) SetSelectionTilesDirty();
02308
02309 _thd.drawstyle = _thd.new_drawstyle;
02310 _thd.pos = _thd.new_pos;
02311 _thd.size = _thd.new_size;
02312 _thd.outersize = _thd.new_outersize;
02313 _thd.dirty = 0xff;
02314
02315
02316 if (_thd.new_drawstyle) SetSelectionTilesDirty();
02317 }
02318 }
02319
02321 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, byte process)
02322 {
02323 _thd.select_method = method;
02324 _thd.select_proc = process;
02325 _thd.selend.x = TileX(tile) * TILE_SIZE;
02326 _thd.selstart.x = TileX(tile) * TILE_SIZE;
02327 _thd.selend.y = TileY(tile) * TILE_SIZE;
02328 _thd.selstart.y = TileY(tile) * TILE_SIZE;
02329
02330
02331
02332
02333 if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
02334 _thd.selend.x += TILE_SIZE / 2;
02335 _thd.selend.y += TILE_SIZE / 2;
02336 _thd.selstart.x += TILE_SIZE / 2;
02337 _thd.selstart.y += TILE_SIZE / 2;
02338 }
02339
02340 if (_thd.place_mode == VHM_RECT) {
02341 _thd.place_mode = VHM_SPECIAL;
02342 _thd.next_drawstyle = HT_RECT;
02343 } else if (_thd.place_mode == VHM_RAIL) {
02344 _thd.place_mode = VHM_SPECIAL;
02345 _thd.next_drawstyle = _thd.drawstyle;
02346 } else {
02347 _thd.place_mode = VHM_SPECIAL;
02348 _thd.next_drawstyle = HT_POINT;
02349 }
02350 _special_mouse_mode = WSM_SIZING;
02351 }
02352
02353 void VpSetPlaceSizingLimit(int limit)
02354 {
02355 _thd.sizelimit = limit;
02356 }
02357
02362 void VpSetPresizeRange(TileIndex from, TileIndex to)
02363 {
02364 uint64 distance = DistanceManhattan(from, to) + 1;
02365
02366 _thd.selend.x = TileX(to) * TILE_SIZE;
02367 _thd.selend.y = TileY(to) * TILE_SIZE;
02368 _thd.selstart.x = TileX(from) * TILE_SIZE;
02369 _thd.selstart.y = TileY(from) * TILE_SIZE;
02370 _thd.next_drawstyle = HT_RECT;
02371
02372
02373 if (distance > 1) GuiShowTooltipsWithArgs(STR_MEASURE_LENGTH, 1, &distance);
02374 }
02375
02376 static void VpStartPreSizing()
02377 {
02378 _thd.selend.x = -1;
02379 _special_mouse_mode = WSM_PRESIZE;
02380 }
02381
02384 static HighLightStyle Check2x1AutoRail(int mode)
02385 {
02386 int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
02387 int sxpy = (_thd.selend.x & 0xF) + (_thd.selend.y & 0xF);
02388 int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
02389 int sxmy = (_thd.selend.x & 0xF) - (_thd.selend.y & 0xF);
02390
02391 switch (mode) {
02392 default: NOT_REACHED();
02393 case 0:
02394 if (fxpy >= 20 && sxpy <= 12) { return HT_DIR_HL; }
02395 if (fxmy < -3 && sxmy > 3) {return HT_DIR_VR; }
02396 return HT_DIR_Y;
02397
02398 case 1:
02399 if (fxmy > 3 && sxmy < -3) { return HT_DIR_VL; }
02400 if (fxpy <= 12 && sxpy >= 20) { return HT_DIR_HU; }
02401 return HT_DIR_Y;
02402
02403 case 2:
02404 if (fxmy > 3 && sxmy < -3) { return HT_DIR_VL; }
02405 if (fxpy >= 20 && sxpy <= 12) { return HT_DIR_HL; }
02406 return HT_DIR_X;
02407
02408 case 3:
02409 if (fxmy < -3 && sxmy > 3) { return HT_DIR_VR; }
02410 if (fxpy <= 12 && sxpy >= 20) { return HT_DIR_HU; }
02411 return HT_DIR_X;
02412 }
02413 }
02414
02426 static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
02427 {
02428 uint start_x = TileX(start_tile);
02429 uint start_y = TileY(start_tile);
02430 uint end_x = TileX(end_tile);
02431 uint end_y = TileY(end_tile);
02432
02433 switch (style & HT_DRAG_MASK) {
02434 case HT_RAIL:
02435 case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
02436
02437 case HT_RECT:
02438 case HT_POINT: return (end_x != start_x && end_y < start_y);
02439 default: NOT_REACHED();
02440 }
02441
02442 return false;
02443 }
02444
02459 static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
02460 {
02461 bool swap = SwapDirection(style, start_tile, end_tile);
02462 byte style_t;
02463 uint h0, h1, ht;
02464
02465 if (start_tile == end_tile) return 0;
02466 if (swap) Swap(start_tile, end_tile);
02467
02468 switch (style & HT_DRAG_MASK) {
02469 case HT_RECT: {
02470 static const TileIndexDiffC heightdiff_area_by_dir[] = {
02471 {1, 0}, {0, 0},
02472 {0, 1}, {1, 1}
02473 };
02474
02475
02476
02477 style_t = (byte)(TileX(end_tile) > TileX(start_tile));
02478 start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
02479 end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
02480 }
02481
02482 case HT_POINT:
02483 h0 = TileHeight(start_tile);
02484 h1 = TileHeight(end_tile);
02485 break;
02486 default: {
02487 static const HighLightStyle flip_style_direction[] = {
02488 HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
02489 };
02490 static const TileIndexDiffC heightdiff_line_by_dir[] = {
02491 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02492 {1, 0}, {0, 0}, {1, 0}, {1, 1},
02493 {1, 0}, {1, 1}, {0, 1}, {1, 1},
02494
02495 {0, 1}, {0, 0}, {1, 0}, {0, 0},
02496 {0, 1}, {0, 0}, {1, 1}, {0, 1},
02497 {1, 0}, {0, 0}, {0, 0}, {0, 1},
02498 };
02499
02500 distance %= 2;
02501 style &= HT_DIR_MASK;
02502
02503
02504
02505
02506
02507 if (swap && distance == 0) style = flip_style_direction[style];
02508
02509
02510 style_t = style * 2;
02511 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02512 h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
02513 ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
02514 h0 = max(h0, ht);
02515
02516
02517
02518 if (distance == 0) style_t = flip_style_direction[style] * 2;
02519 assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
02520 h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
02521 ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
02522 h1 = max(h1, ht);
02523 } break;
02524 }
02525
02526 if (swap) Swap(h0, h1);
02527
02528 return (int)(h1 - h0) * 50;
02529 }
02530
02531 static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
02532
02534 static void CalcRaildirsDrawstyle(TileHighlightData *thd, int x, int y, int method)
02535 {
02536 HighLightStyle b;
02537 uint w, h;
02538
02539 int dx = thd->selstart.x - (thd->selend.x & ~0xF);
02540 int dy = thd->selstart.y - (thd->selend.y & ~0xF);
02541 w = abs(dx) + 16;
02542 h = abs(dy) + 16;
02543
02544 if (TileVirtXY(thd->selstart.x, thd->selstart.y) == TileVirtXY(x, y)) {
02545 if (method == VPM_RAILDIRS) {
02546 b = GetAutorailHT(x, y);
02547 } else {
02548 b = HT_RECT;
02549 }
02550 } else if (h == 16) {
02551 if (dx == 16) {
02552 b = (Check2x1AutoRail(3)) | HT_LINE;
02553 } else if (dx == -16) {
02554 b = (Check2x1AutoRail(2)) | HT_LINE;
02555 } else {
02556 b = HT_LINE | HT_DIR_X;
02557 }
02558 y = thd->selstart.y;
02559 } else if (w == 16) {
02560 if (dy == 16) {
02561 b = (Check2x1AutoRail(1)) | HT_LINE;
02562 } else if (dy == -16) {
02563 b = (Check2x1AutoRail(0)) | HT_LINE;
02564 } else {
02565 b = HT_LINE | HT_DIR_Y;
02566 }
02567 x = thd->selstart.x;
02568 } else if (w > h * 2) {
02569 b = HT_LINE | HT_DIR_X;
02570 y = thd->selstart.y;
02571 } else if (h > w * 2) {
02572 b = HT_LINE | HT_DIR_Y;
02573 x = thd->selstart.x;
02574 } else {
02575 int d = w - h;
02576 thd->selend.x = thd->selend.x & ~0xF;
02577 thd->selend.y = thd->selend.y & ~0xF;
02578
02579
02580 if (x > thd->selstart.x) {
02581 if (y > thd->selstart.y) {
02582
02583 if (d == 0) {
02584 b = (x & 0xF) > (y & 0xF) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02585 } else if (d >= 0) {
02586 x = thd->selstart.x + h;
02587 b = HT_LINE | HT_DIR_VL;
02588
02589 } else {
02590 y = thd->selstart.y + w;
02591 b = HT_LINE | HT_DIR_VR;
02592 }
02593 } else {
02594
02595 if (d == 0) {
02596 b = (x & 0xF) + (y & 0xF) >= 0x10 ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02597 } else if (d >= 0) {
02598 x = thd->selstart.x + h;
02599 b = HT_LINE | HT_DIR_HL;
02600 } else {
02601 y = thd->selstart.y - w;
02602 b = HT_LINE | HT_DIR_HU;
02603 }
02604 }
02605 } else {
02606 if (y > thd->selstart.y) {
02607
02608 if (d == 0) {
02609 b = (x & 0xF) + (y & 0xF) >= 0x10 ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
02610 } else if (d >= 0) {
02611 x = thd->selstart.x - h;
02612 b = HT_LINE | HT_DIR_HU;
02613
02614 } else {
02615 y = thd->selstart.y + w;
02616 b = HT_LINE | HT_DIR_HL;
02617 }
02618 } else {
02619
02620 if (d == 0) {
02621 b = (x & 0xF) > (y & 0xF) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
02622 } else if (d >= 0) {
02623 x = thd->selstart.x - h;
02624 b = HT_LINE | HT_DIR_VR;
02625
02626 } else {
02627 y = thd->selstart.y - w;
02628 b = HT_LINE | HT_DIR_VL;
02629 }
02630 }
02631 }
02632 }
02633
02634 if (_patches.measure_tooltip) {
02635 TileIndex t0 = TileVirtXY(thd->selstart.x, thd->selstart.y);
02636 TileIndex t1 = TileVirtXY(x, y);
02637 uint distance = DistanceManhattan(t0, t1) + 1;
02638 byte index = 0;
02639 uint64 params[2];
02640
02641 if (distance != 1) {
02642 int heightdiff = CalcHeightdiff(b, distance, t0, t1);
02643
02644
02645
02646 if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
02647 distance = (distance + 1) / 2;
02648 }
02649
02650 params[index++] = distance;
02651 if (heightdiff != 0) params[index++] = heightdiff;
02652 }
02653
02654 GuiShowTooltipsWithArgs(measure_strings_length[index], index, params);
02655 }
02656
02657 thd->selend.x = x;
02658 thd->selend.y = y;
02659 thd->next_drawstyle = b;
02660 }
02661
02668 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
02669 {
02670 int sx, sy;
02671 HighLightStyle style;
02672
02673 if (x == -1) {
02674 _thd.selend.x = -1;
02675 return;
02676 }
02677
02678
02679 if (method == VPM_RAILDIRS || method == VPM_SIGNALDIRS) {
02680 _thd.selend.x = x;
02681 _thd.selend.y = y;
02682 CalcRaildirsDrawstyle(&_thd, x, y, method);
02683 return;
02684 }
02685
02686
02687 if (_thd.next_drawstyle == HT_POINT) {
02688 x += TILE_SIZE / 2;
02689 y += TILE_SIZE / 2;
02690 }
02691
02692 sx = _thd.selstart.x;
02693 sy = _thd.selstart.y;
02694
02695 switch (method) {
02696 case VPM_X_OR_Y:
02697 if (abs(sy - y) < abs(sx - x)) {
02698 y = sy;
02699 style = HT_DIR_X;
02700 } else {
02701 x = sx;
02702 style = HT_DIR_Y;
02703 }
02704 goto calc_heightdiff_single_direction;
02705 case VPM_FIX_X:
02706 x = sx;
02707 style = HT_DIR_Y;
02708 goto calc_heightdiff_single_direction;
02709 case VPM_FIX_Y:
02710 y = sy;
02711 style = HT_DIR_X;
02712
02713 calc_heightdiff_single_direction:;
02714 if (_patches.measure_tooltip) {
02715 TileIndex t0 = TileVirtXY(sx, sy);
02716 TileIndex t1 = TileVirtXY(x, y);
02717 uint distance = DistanceManhattan(t0, t1) + 1;
02718 byte index = 0;
02719 uint64 params[2];
02720
02721 if (distance != 1) {
02722
02723
02724
02725
02726
02727 int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
02728
02729 params[index++] = distance;
02730 if (heightdiff != 0) params[index++] = heightdiff;
02731 }
02732
02733 GuiShowTooltipsWithArgs(measure_strings_length[index], index, params);
02734 } break;
02735
02736 case VPM_X_AND_Y_LIMITED: {
02737 int limit = (_thd.sizelimit - 1) * TILE_SIZE;
02738 x = sx + Clamp(x - sx, -limit, limit);
02739 y = sy + Clamp(y - sy, -limit, limit);
02740 }
02741 case VPM_X_AND_Y: {
02742 if (_patches.measure_tooltip) {
02743 static const StringID measure_strings_area[] = {
02744 STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
02745 };
02746
02747 TileIndex t0 = TileVirtXY(sx, sy);
02748 TileIndex t1 = TileVirtXY(x, y);
02749 uint dx = Delta(TileX(t0), TileX(t1)) + 1;
02750 uint dy = Delta(TileY(t0), TileY(t1)) + 1;
02751 byte index = 0;
02752 uint64 params[3];
02753
02754
02755
02756 style = (HighLightStyle)_thd.next_drawstyle;
02757 if (style & HT_RECT) {
02758 if (dx == 1) {
02759 style = HT_LINE | HT_DIR_Y;
02760 } else if (dy == 1) {
02761 style = HT_LINE | HT_DIR_X;
02762 }
02763 }
02764
02765 if (dx != 1 || dy != 1) {
02766 int heightdiff = CalcHeightdiff(style, 0, t0, t1);
02767
02768 params[index++] = dx;
02769 params[index++] = dy;
02770 if (heightdiff != 0) params[index++] = heightdiff;
02771 }
02772
02773 GuiShowTooltipsWithArgs(measure_strings_area[index], index, params);
02774 }
02775 break;
02776
02777 }
02778 default: NOT_REACHED();
02779 }
02780
02781 _thd.selend.x = x;
02782 _thd.selend.y = y;
02783 }
02784
02786 bool VpHandlePlaceSizingDrag()
02787 {
02788 Window *w;
02789 WindowEvent e;
02790
02791 if (_special_mouse_mode != WSM_SIZING) return true;
02792
02793 e.we.place.select_method = _thd.select_method;
02794 e.we.place.select_proc = _thd.select_proc;
02795
02796
02797 w = FindWindowById(_thd.window_class, _thd.window_number);
02798 if (w == NULL) {
02799 ResetObjectToPlace();
02800 return false;
02801 }
02802
02803
02804 if (_left_button_down) {
02805 e.event = WE_PLACE_DRAG;
02806 e.we.place.pt = GetTileBelowCursor();
02807 w->wndproc(w, &e);
02808 return false;
02809 }
02810
02811
02812
02813 _special_mouse_mode = WSM_NONE;
02814 if (_thd.next_drawstyle == HT_RECT) {
02815 _thd.place_mode = VHM_RECT;
02816 } else if (e.we.place.select_method == VPM_SIGNALDIRS) {
02817 _thd.place_mode = VHM_RECT;
02818 } else if (_thd.next_drawstyle & HT_LINE) {
02819 _thd.place_mode = VHM_RAIL;
02820 } else if (_thd.next_drawstyle & HT_RAIL) {
02821 _thd.place_mode = VHM_RAIL;
02822 } else {
02823 _thd.place_mode = VHM_POINT;
02824 }
02825 SetTileSelectSize(1, 1);
02826
02827
02828 e.event = WE_PLACE_MOUSEUP;
02829 e.we.place.pt = _thd.selend;
02830 e.we.place.tile = TileVirtXY(e.we.place.pt.x, e.we.place.pt.y);
02831 e.we.place.starttile = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
02832 w->wndproc(w, &e);
02833
02834 return false;
02835 }
02836
02837 void SetObjectToPlaceWnd(CursorID icon, SpriteID pal, ViewportHighlightMode mode, Window *w)
02838 {
02839 SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
02840 }
02841
02842 #include "table/animcursors.h"
02843
02844 void SetObjectToPlace(CursorID icon, SpriteID pal, ViewportHighlightMode mode, WindowClass window_class, WindowNumber window_num)
02845 {
02846 Window *w;
02847
02848
02849 if (_thd.place_mode != VHM_NONE || _special_mouse_mode == WSM_DRAGDROP) {
02850 w = FindWindowById(_thd.window_class, _thd.window_number);
02851 if (w != NULL) CallWindowEventNP(w, WE_ABORT_PLACE_OBJ);
02852 }
02853
02854 SetTileSelectSize(1, 1);
02855
02856 _thd.make_square_red = false;
02857
02858 if (mode == VHM_DRAG) {
02859 mode = VHM_NONE;
02860 _special_mouse_mode = WSM_DRAGDROP;
02861 } else {
02862 _special_mouse_mode = WSM_NONE;
02863 }
02864
02865 _thd.place_mode = mode;
02866 _thd.window_class = window_class;
02867 _thd.window_number = window_num;
02868
02869 if (mode == VHM_SPECIAL)
02870 VpStartPreSizing();
02871
02872 if ( (int)icon < 0)
02873 SetAnimatedMouseCursor(_animcursors[~icon]);
02874 else
02875 SetMouseCursor(icon, pal);
02876 }
02877
02878 void ResetObjectToPlace()
02879 {
02880 SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, VHM_NONE, WC_MAIN_WINDOW, 0);
02881 }