mirror of https://github.com/OpenRCT2/OpenRCT2.git
708 lines
24 KiB
C++
708 lines
24 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2019 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include <algorithm>
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#include <openrct2-ui/interface/Viewport.h>
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#include <openrct2-ui/interface/Widget.h>
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#include <openrct2-ui/windows/Window.h>
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#include <openrct2/Cheats.h>
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#include <openrct2/Context.h>
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#include <openrct2/Game.h>
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#include <openrct2/Input.h>
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#include <openrct2/audio/audio.h>
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#include <openrct2/localisation/Localisation.h>
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#include <openrct2/ride/Track.h>
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#include <openrct2/ride/TrackData.h>
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#include <openrct2/ride/TrackDesign.h>
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#include <openrct2/ride/TrackDesignRepository.h>
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#include <openrct2/sprites.h>
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#include <openrct2/windows/Intent.h>
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#include <openrct2/world/Park.h>
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#include <openrct2/world/Surface.h>
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#include <vector>
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#define TRACK_MINI_PREVIEW_WIDTH 168
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#define TRACK_MINI_PREVIEW_HEIGHT 78
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#define TRACK_MINI_PREVIEW_SIZE (TRACK_MINI_PREVIEW_WIDTH * TRACK_MINI_PREVIEW_HEIGHT)
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struct rct_track_td6;
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static constexpr uint8_t _PaletteIndexColourEntrance = PALETTE_INDEX_20; // White
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static constexpr uint8_t _PaletteIndexColourExit = PALETTE_INDEX_10; // Black
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static constexpr uint8_t _PaletteIndexColourTrack = PALETTE_INDEX_248; // Grey (dark)
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static constexpr uint8_t _PaletteIndexColourStation = PALETTE_INDEX_252; // Grey (light)
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// clang-format off
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enum {
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WIDX_BACKGROUND,
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WIDX_TITLE,
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WIDX_CLOSE,
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WIDX_ROTATE,
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WIDX_MIRROR,
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WIDX_SELECT_DIFFERENT_DESIGN,
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WIDX_PRICE
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};
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validate_global_widx(WC_TRACK_DESIGN_PLACE, WIDX_ROTATE);
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static rct_widget window_track_place_widgets[] = {
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{ WWT_FRAME, 0, 0, 199, 0, 123, 0xFFFFFFFF, STR_NONE },
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{ WWT_CAPTION, 0, 1, 198, 1, 14, STR_STRING, STR_WINDOW_TITLE_TIP },
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{ WWT_CLOSEBOX, 0, 187, 197, 2, 13, STR_CLOSE_X, STR_CLOSE_WINDOW_TIP },
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{ WWT_FLATBTN, 0, 173, 196, 83, 106, SPR_ROTATE_ARROW, STR_ROTATE_90_TIP },
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{ WWT_FLATBTN, 0, 173, 196, 59, 82, SPR_MIRROR_ARROW, STR_MIRROR_IMAGE_TIP },
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{ WWT_BUTTON, 0, 4, 195, 109, 120, STR_SELECT_A_DIFFERENT_DESIGN, STR_GO_BACK_TO_DESIGN_SELECTION_WINDOW_TIP },
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{ WWT_EMPTY, 0, 0, 0, 0, 0, 0xFFFFFFFF, STR_NONE },
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{ WIDGETS_END },
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};
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static void window_track_place_close(rct_window *w);
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static void window_track_place_mouseup(rct_window *w, rct_widgetindex widgetIndex);
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static void window_track_place_update(rct_window *w);
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static void window_track_place_toolupdate(rct_window* w, rct_widgetindex widgetIndex, int32_t x, int32_t y);
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static void window_track_place_tooldown(rct_window* w, rct_widgetindex widgetIndex, int32_t x, int32_t y);
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static void window_track_place_toolabort(rct_window *w, rct_widgetindex widgetIndex);
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static void window_track_place_unknown14(rct_window *w);
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static void window_track_place_invalidate(rct_window *w);
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static void window_track_place_paint(rct_window *w, rct_drawpixelinfo *dpi);
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static rct_window_event_list window_track_place_events = {
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window_track_place_close,
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window_track_place_mouseup,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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window_track_place_update,
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nullptr,
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nullptr,
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window_track_place_toolupdate,
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window_track_place_tooldown,
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nullptr,
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nullptr,
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window_track_place_toolabort,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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window_track_place_unknown14,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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window_track_place_invalidate,
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window_track_place_paint,
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nullptr
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};
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// clang-format on
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static std::vector<uint8_t> _window_track_place_mini_preview;
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static int16_t _window_track_place_last_x;
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static int16_t _window_track_place_last_y;
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static uint8_t _window_track_place_ride_index;
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static bool _window_track_place_last_was_valid;
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static int16_t _window_track_place_last_valid_x;
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static int16_t _window_track_place_last_valid_y;
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static int16_t _window_track_place_last_valid_z;
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static money32 _window_track_place_last_cost;
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static rct_track_td6* _trackDesign;
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static void window_track_place_clear_provisional();
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static int32_t window_track_place_get_base_z(int32_t x, int32_t y);
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static void window_track_place_attempt_placement(
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rct_track_td6* td6, int32_t x, int32_t y, int32_t z, int32_t bl, money32* cost, ride_id_t* rideIndex);
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static void window_track_place_clear_mini_preview();
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static void window_track_place_draw_mini_preview(rct_track_td6* td6);
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static void window_track_place_draw_mini_preview_track(
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rct_track_td6* td6, int32_t pass, LocationXY16 origin, LocationXY16* min, LocationXY16* max);
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static void window_track_place_draw_mini_preview_maze(
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rct_track_td6* td6, int32_t pass, LocationXY16 origin, LocationXY16* min, LocationXY16* max);
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static LocationXY16 draw_mini_preview_get_pixel_position(int16_t x, int16_t y);
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static bool draw_mini_preview_is_pixel_in_bounds(LocationXY16 pixel);
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static uint8_t* draw_mini_preview_get_pixel_ptr(LocationXY16 pixel);
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/**
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*
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* rct2: 0x006D182E
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*/
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static void window_track_place_clear_mini_preview()
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{
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// Fill with transparent colour.
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std::fill(_window_track_place_mini_preview.begin(), _window_track_place_mini_preview.end(), PALETTE_INDEX_0);
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}
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/**
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*
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* rct2: 0x006CFCA0
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*/
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rct_window* window_track_place_open(const track_design_file_ref* tdFileRef)
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{
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rct_track_td6* td6 = track_design_open(tdFileRef->path);
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if (td6 == nullptr)
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{
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return nullptr;
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}
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window_close_construction_windows();
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_window_track_place_mini_preview.resize(TRACK_MINI_PREVIEW_SIZE);
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rct_window* w = window_create(0, 29, 200, 124, &window_track_place_events, WC_TRACK_DESIGN_PLACE, 0);
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w->widgets = window_track_place_widgets;
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w->enabled_widgets = 1 << WIDX_CLOSE | 1 << WIDX_ROTATE | 1 << WIDX_MIRROR | 1 << WIDX_SELECT_DIFFERENT_DESIGN;
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window_init_scroll_widgets(w);
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tool_set(w, WIDX_PRICE, TOOL_CROSSHAIR);
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input_set_flag(INPUT_FLAG_6, true);
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window_push_others_right(w);
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show_gridlines();
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_window_track_place_last_cost = MONEY32_UNDEFINED;
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_window_track_place_last_x = -1;
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_currentTrackPieceDirection = (2 - get_current_rotation()) & 3;
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window_track_place_clear_mini_preview();
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window_track_place_draw_mini_preview(td6);
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_trackDesign = td6;
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return w;
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}
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/**
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*
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* rct2: 0x006D0119
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*/
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static void window_track_place_close(rct_window* w)
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{
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window_track_place_clear_provisional();
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viewport_set_visibility(0);
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map_invalidate_map_selection_tiles();
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gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_CONSTRUCT;
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gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_ARROW;
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hide_gridlines();
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_window_track_place_mini_preview.clear();
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_window_track_place_mini_preview.shrink_to_fit();
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track_design_dispose(_trackDesign);
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_trackDesign = nullptr;
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}
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/**
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*
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* rct2: 0x006CFEAC
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*/
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static void window_track_place_mouseup(rct_window* w, rct_widgetindex widgetIndex)
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{
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switch (widgetIndex)
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{
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case WIDX_CLOSE:
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window_close(w);
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break;
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case WIDX_ROTATE:
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window_track_place_clear_provisional();
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_currentTrackPieceDirection = (_currentTrackPieceDirection + 1) & 3;
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window_invalidate(w);
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_window_track_place_last_x = -1;
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window_track_place_draw_mini_preview(_trackDesign);
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break;
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case WIDX_MIRROR:
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track_design_mirror(_trackDesign);
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_currentTrackPieceDirection = (0 - _currentTrackPieceDirection) & 3;
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window_invalidate(w);
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_window_track_place_last_x = -1;
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window_track_place_draw_mini_preview(_trackDesign);
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break;
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case WIDX_SELECT_DIFFERENT_DESIGN:
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window_close(w);
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auto intent = Intent(WC_TRACK_DESIGN_LIST);
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intent.putExtra(INTENT_EXTRA_RIDE_TYPE, _window_track_list_item.type);
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intent.putExtra(INTENT_EXTRA_RIDE_ENTRY_INDEX, _window_track_list_item.entry_index);
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context_open_intent(&intent);
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break;
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}
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}
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/**
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*
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* rct2: 0x006CFCA0
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*/
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static void window_track_place_update(rct_window* w)
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{
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if (!(input_test_flag(INPUT_FLAG_TOOL_ACTIVE)))
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if (gCurrentToolWidget.window_classification != WC_TRACK_DESIGN_PLACE)
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window_close(w);
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}
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/**
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*
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* rct2: 0x006CFF2D
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*/
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static void window_track_place_toolupdate(rct_window* w, rct_widgetindex widgetIndex, int32_t x, int32_t y)
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{
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int16_t mapX, mapY, mapZ;
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map_invalidate_map_selection_tiles();
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gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE;
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gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_CONSTRUCT;
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gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_ARROW;
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// Get the tool map position
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sub_68A15E(x, y, &mapX, &mapY, nullptr, nullptr);
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if (mapX == LOCATION_NULL)
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{
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window_track_place_clear_provisional();
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return;
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}
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// Check if tool map position has changed since last update
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if (mapX == _window_track_place_last_x && mapY == _window_track_place_last_y)
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{
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place_virtual_track(_trackDesign, PTD_OPERATION_DRAW_OUTLINES, true, get_ride(0), mapX, mapY, 0);
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return;
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}
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money32 cost = MONEY32_UNDEFINED;
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// Get base Z position
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mapZ = window_track_place_get_base_z(mapX, mapY);
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if (game_is_not_paused() || gCheatsBuildInPauseMode)
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{
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window_track_place_clear_provisional();
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// Try increasing Z until a feasible placement is found
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for (int32_t i = 0; i < 7; i++)
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{
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ride_id_t rideIndex;
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uint16_t flags = GAME_COMMAND_FLAG_APPLY | GAME_COMMAND_FLAG_5 | GAME_COMMAND_FLAG_GHOST;
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window_track_place_attempt_placement(_trackDesign, mapX, mapY, mapZ, flags, &cost, &rideIndex);
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if (cost != MONEY32_UNDEFINED)
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{
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_window_track_place_ride_index = rideIndex;
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_window_track_place_last_valid_x = mapX;
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_window_track_place_last_valid_y = mapY;
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_window_track_place_last_valid_z = mapZ;
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_window_track_place_last_was_valid = true;
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break;
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}
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mapZ += 8;
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}
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}
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_window_track_place_last_x = mapX;
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_window_track_place_last_y = mapY;
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if (cost != _window_track_place_last_cost)
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{
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_window_track_place_last_cost = cost;
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widget_invalidate(w, WIDX_PRICE);
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}
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place_virtual_track(_trackDesign, PTD_OPERATION_DRAW_OUTLINES, true, get_ride(0), mapX, mapY, mapZ);
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}
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/**
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*
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* rct2: 0x006CFF34
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*/
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static void window_track_place_tooldown(rct_window* w, rct_widgetindex widgetIndex, int32_t x, int32_t y)
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{
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int32_t i;
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int16_t mapX, mapY, mapZ;
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money32 cost;
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ride_id_t rideIndex;
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window_track_place_clear_provisional();
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map_invalidate_map_selection_tiles();
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gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE;
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gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_CONSTRUCT;
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gMapSelectFlags &= ~MAP_SELECT_FLAG_ENABLE_ARROW;
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sub_68A15E(x, y, &mapX, &mapY, nullptr, nullptr);
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if (mapX == LOCATION_NULL)
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return;
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// Try increasing Z until a feasible placement is found
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mapZ = window_track_place_get_base_z(mapX, mapY);
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for (i = 0; i < 7; i++)
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{
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gDisableErrorWindowSound = true;
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window_track_place_attempt_placement(_trackDesign, mapX, mapY, mapZ, 1, &cost, &rideIndex);
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gDisableErrorWindowSound = false;
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if (cost != MONEY32_UNDEFINED)
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{
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window_close_by_class(WC_ERROR);
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audio_play_sound_at_location(SOUND_PLACE_ITEM, mapX, mapY, mapZ);
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_currentRideIndex = rideIndex;
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if (track_design_are_entrance_and_exit_placed())
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{
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auto intent = Intent(WC_RIDE);
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intent.putExtra(INTENT_EXTRA_RIDE_ID, rideIndex);
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context_open_intent(&intent);
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window_close(w);
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}
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else
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{
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ride_initialise_construction_window(get_ride(rideIndex));
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w = window_find_by_class(WC_RIDE_CONSTRUCTION);
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window_event_mouse_up_call(w, WC_RIDE_CONSTRUCTION__WIDX_ENTRANCE);
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}
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return;
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}
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// Check if player did not have enough funds
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if (gGameCommandErrorText == STR_NOT_ENOUGH_CASH_REQUIRES)
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break;
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mapZ += 8;
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}
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// Unable to build track
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audio_play_sound_at_location(SOUND_ERROR, mapX, mapY, mapZ);
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}
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/**
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*
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* rct2: 0x006D015C
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*/
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static void window_track_place_toolabort(rct_window* w, rct_widgetindex widgetIndex)
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{
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window_track_place_clear_provisional();
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}
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/**
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*
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* rct2: 0x006CFF01
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*/
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static void window_track_place_unknown14(rct_window* w)
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{
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window_track_place_draw_mini_preview(_trackDesign);
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}
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static void window_track_place_invalidate(rct_window* w)
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{
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window_track_place_draw_mini_preview(_trackDesign);
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}
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/**
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*
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* rct2: 0x006D017F
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*/
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static void window_track_place_clear_provisional()
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{
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if (_window_track_place_last_was_valid)
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{
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auto ride = get_ride(_window_track_place_ride_index);
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place_virtual_track(
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_trackDesign, PTD_OPERATION_CLEAR_OUTLINES, true, ride, _window_track_place_last_valid_x,
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_window_track_place_last_valid_y, _window_track_place_last_valid_z);
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_window_track_place_last_was_valid = false;
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}
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}
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/**
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*
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* rct2: 0x006D17C6
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*/
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static int32_t window_track_place_get_base_z(int32_t x, int32_t y)
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{
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TileElement* tileElement;
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uint32_t z;
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tileElement = map_get_surface_element_at(x >> 5, y >> 5);
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z = tileElement->base_height * 8;
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// Increase Z above slope
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if (tileElement->AsSurface()->GetSlope() & TILE_ELEMENT_SLOPE_ALL_CORNERS_UP)
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{
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z += 16;
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// Increase Z above double slope
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if (tileElement->AsSurface()->GetSlope() & TILE_ELEMENT_SLOPE_DOUBLE_HEIGHT)
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z += 16;
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}
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// Increase Z above water
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if (tileElement->AsSurface()->GetWaterHeight() > 0)
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z = std::max(z, tileElement->AsSurface()->GetWaterHeight() << 4);
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return z + place_virtual_track(_trackDesign, PTD_OPERATION_GET_PLACE_Z, true, get_ride(0), x, y, z);
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}
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static void window_track_place_attempt_placement(
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rct_track_td6* td6, int32_t x, int32_t y, int32_t z, int32_t bl, money32* cost, ride_id_t* rideIndex)
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{
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int32_t eax, ebx, ecx, edx, esi, edi, ebp;
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money32 result;
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edx = esi = ebp = 0;
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eax = x;
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ebx = bl;
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ecx = y;
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edi = z;
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gActiveTrackDesign = _trackDesign;
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result = game_do_command_p(GAME_COMMAND_PLACE_TRACK_DESIGN, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
|
|
gActiveTrackDesign = nullptr;
|
|
|
|
if (cost != nullptr)
|
|
*cost = result;
|
|
if (rideIndex != nullptr)
|
|
*rideIndex = edi & 0xFF;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* rct2: 0x006CFD9D
|
|
*/
|
|
static void window_track_place_paint(rct_window* w, rct_drawpixelinfo* dpi)
|
|
{
|
|
set_format_arg(0, char*, _trackDesign->name);
|
|
window_draw_widgets(w, dpi);
|
|
|
|
// Draw mini tile preview
|
|
rct_drawpixelinfo clippedDpi;
|
|
if (clip_drawpixelinfo(&clippedDpi, dpi, w->x + 4, w->y + 18, 168, 78))
|
|
{
|
|
rct_g1_element g1temp = {};
|
|
g1temp.offset = _window_track_place_mini_preview.data();
|
|
g1temp.width = TRACK_MINI_PREVIEW_WIDTH;
|
|
g1temp.height = TRACK_MINI_PREVIEW_HEIGHT;
|
|
gfx_set_g1_element(SPR_TEMP, &g1temp);
|
|
gfx_draw_sprite(&clippedDpi, SPR_TEMP | SPRITE_ID_PALETTE_COLOUR_1(NOT_TRANSLUCENT(w->colours[0])), 0, 0, 0);
|
|
}
|
|
|
|
// Price
|
|
if (_window_track_place_last_cost != MONEY32_UNDEFINED && !(gParkFlags & PARK_FLAGS_NO_MONEY))
|
|
{
|
|
gfx_draw_string_centred(dpi, STR_COST_LABEL, w->x + 88, w->y + 94, COLOUR_BLACK, &_window_track_place_last_cost);
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* rct2: 0x006D1845
|
|
*/
|
|
static void window_track_place_draw_mini_preview(rct_track_td6* td6)
|
|
{
|
|
window_track_place_clear_mini_preview();
|
|
|
|
// First pass is used to determine the width and height of the image so it can centre it
|
|
LocationXY16 min = { 0, 0 };
|
|
LocationXY16 max = { 0, 0 };
|
|
for (int32_t pass = 0; pass < 2; pass++)
|
|
{
|
|
LocationXY16 origin = { 0, 0 };
|
|
if (pass == 1)
|
|
{
|
|
origin.x -= ((max.x + min.x) >> 6) * 32;
|
|
origin.y -= ((max.y + min.y) >> 6) * 32;
|
|
}
|
|
|
|
if (td6->type == RIDE_TYPE_MAZE)
|
|
{
|
|
window_track_place_draw_mini_preview_maze(td6, pass, origin, &min, &max);
|
|
}
|
|
else
|
|
{
|
|
window_track_place_draw_mini_preview_track(td6, pass, origin, &min, &max);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void window_track_place_draw_mini_preview_track(
|
|
rct_track_td6* td6, int32_t pass, LocationXY16 origin, LocationXY16* min, LocationXY16* max)
|
|
{
|
|
uint8_t rotation = (_currentTrackPieceDirection + get_current_rotation()) & 3;
|
|
rct_td6_track_element* trackElement = td6->track_elements;
|
|
|
|
const rct_preview_track** trackBlockArray = (ride_type_has_flag(td6->type, RIDE_TYPE_FLAG_HAS_TRACK)) ? TrackBlocks
|
|
: FlatRideTrackBlocks;
|
|
while (trackElement->type != 255)
|
|
{
|
|
int32_t trackType = trackElement->type;
|
|
if (trackType == TRACK_ELEM_INVERTED_90_DEG_UP_TO_FLAT_QUARTER_LOOP)
|
|
{
|
|
trackType = 255;
|
|
}
|
|
|
|
// Follow a single track piece shape
|
|
const rct_preview_track* trackBlock = trackBlockArray[trackType];
|
|
while (trackBlock->index != 255)
|
|
{
|
|
int16_t x = origin.x;
|
|
int16_t y = origin.y;
|
|
map_offset_with_rotation(&x, &y, trackBlock->x, trackBlock->y, rotation);
|
|
|
|
if (pass == 0)
|
|
{
|
|
min->x = std::min(min->x, x);
|
|
max->x = std::max(max->x, x);
|
|
min->y = std::min(min->y, y);
|
|
max->y = std::max(max->y, y);
|
|
}
|
|
else
|
|
{
|
|
LocationXY16 pixelPosition = draw_mini_preview_get_pixel_position(x, y);
|
|
if (draw_mini_preview_is_pixel_in_bounds(pixelPosition))
|
|
{
|
|
uint8_t* pixel = draw_mini_preview_get_pixel_ptr(pixelPosition);
|
|
|
|
auto bits = trackBlock->var_08.Rotate(rotation & 3).GetBaseQuarterOccupied();
|
|
|
|
// Station track is a lighter colour
|
|
uint8_t colour = (TrackSequenceProperties[trackType][0] & TRACK_SEQUENCE_FLAG_ORIGIN)
|
|
? _PaletteIndexColourStation
|
|
: _PaletteIndexColourTrack;
|
|
|
|
for (int32_t i = 0; i < 4; i++)
|
|
{
|
|
if (bits & 1)
|
|
pixel[338 + i] = colour; // x + 2, y + 2
|
|
if (bits & 2)
|
|
pixel[168 + i] = colour; // y + 1
|
|
if (bits & 4)
|
|
pixel[2 + i] = colour; // x + 2
|
|
if (bits & 8)
|
|
pixel[172 + i] = colour; // x + 4, y + 1
|
|
}
|
|
}
|
|
}
|
|
trackBlock++;
|
|
}
|
|
|
|
// Change rotation and next position based on track curvature
|
|
rotation &= 3;
|
|
const rct_track_coordinates* track_coordinate = &TrackCoordinates[trackType];
|
|
|
|
trackType *= 10;
|
|
map_offset_with_rotation(&origin.x, &origin.y, track_coordinate->x, track_coordinate->y, rotation);
|
|
rotation += track_coordinate->rotation_end - track_coordinate->rotation_begin;
|
|
rotation &= 3;
|
|
if (track_coordinate->rotation_end & 4)
|
|
{
|
|
rotation |= 4;
|
|
}
|
|
if (!(rotation & 4))
|
|
{
|
|
origin.x += CoordsDirectionDelta[rotation].x;
|
|
origin.y += CoordsDirectionDelta[rotation].y;
|
|
}
|
|
trackElement++;
|
|
}
|
|
|
|
// Draw entrance and exit preview.
|
|
rct_td6_entrance_element* entrance = td6->entrance_elements;
|
|
for (; entrance->z != -1; entrance++)
|
|
{
|
|
int16_t x = origin.x;
|
|
int16_t y = origin.y;
|
|
map_offset_with_rotation(&x, &y, entrance->x, entrance->y, rotation);
|
|
|
|
if (pass == 0)
|
|
{
|
|
min->x = std::min(min->x, x);
|
|
max->x = std::max(max->x, x);
|
|
min->y = std::min(min->y, y);
|
|
max->y = std::max(max->y, y);
|
|
}
|
|
else
|
|
{
|
|
LocationXY16 pixelPosition = draw_mini_preview_get_pixel_position(x, y);
|
|
if (draw_mini_preview_is_pixel_in_bounds(pixelPosition))
|
|
{
|
|
uint8_t* pixel = draw_mini_preview_get_pixel_ptr(pixelPosition);
|
|
|
|
bool isExit = false;
|
|
if (entrance->direction & (1 << 7))
|
|
{
|
|
isExit = true;
|
|
}
|
|
|
|
uint8_t colour = isExit ? _PaletteIndexColourExit : _PaletteIndexColourEntrance;
|
|
for (int32_t i = 0; i < 4; i++)
|
|
{
|
|
pixel[338 + i] = colour; // x + 2, y + 2
|
|
pixel[168 + i] = colour; // y + 1
|
|
pixel[2 + i] = colour; // x + 2
|
|
pixel[172 + i] = colour; // x + 4, y + 1
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void window_track_place_draw_mini_preview_maze(
|
|
rct_track_td6* td6, int32_t pass, LocationXY16 origin, LocationXY16* min, LocationXY16* max)
|
|
{
|
|
uint8_t rotation = (_currentTrackPieceDirection + get_current_rotation()) & 3;
|
|
rct_td6_maze_element* mazeElement = td6->maze_elements;
|
|
while (mazeElement->all != 0)
|
|
{
|
|
int16_t x = mazeElement->x * 32;
|
|
int16_t y = mazeElement->y * 32;
|
|
rotate_map_coordinates(&x, &y, rotation);
|
|
|
|
x += origin.x;
|
|
y += origin.y;
|
|
|
|
if (pass == 0)
|
|
{
|
|
min->x = std::min(min->x, x);
|
|
max->x = std::max(max->x, x);
|
|
min->y = std::min(min->y, y);
|
|
max->y = std::max(max->y, y);
|
|
}
|
|
else
|
|
{
|
|
LocationXY16 pixelPosition = draw_mini_preview_get_pixel_position(x, y);
|
|
if (draw_mini_preview_is_pixel_in_bounds(pixelPosition))
|
|
{
|
|
uint8_t* pixel = draw_mini_preview_get_pixel_ptr(pixelPosition);
|
|
|
|
uint8_t colour = _PaletteIndexColourTrack;
|
|
|
|
// Draw entrance and exit with different colours.
|
|
if (mazeElement->type == MAZE_ELEMENT_TYPE_ENTRANCE)
|
|
colour = _PaletteIndexColourEntrance;
|
|
else if (mazeElement->type == MAZE_ELEMENT_TYPE_EXIT)
|
|
colour = _PaletteIndexColourExit;
|
|
|
|
for (int32_t i = 0; i < 4; i++)
|
|
{
|
|
pixel[338 + i] = colour; // x + 2, y + 2
|
|
pixel[168 + i] = colour; // y + 1
|
|
pixel[2 + i] = colour; // x + 2
|
|
pixel[172 + i] = colour; // x + 4, y + 1
|
|
}
|
|
}
|
|
}
|
|
mazeElement++;
|
|
}
|
|
}
|
|
|
|
static LocationXY16 draw_mini_preview_get_pixel_position(int16_t x, int16_t y)
|
|
{
|
|
return { (int16_t)(80 + ((y / 32) - (x / 32)) * 4), (int16_t)(38 + ((y / 32) + (x / 32)) * 2) };
|
|
}
|
|
|
|
static bool draw_mini_preview_is_pixel_in_bounds(LocationXY16 pixel)
|
|
{
|
|
return pixel.x >= 0 && pixel.y >= 0 && pixel.x <= 160 && pixel.y <= 75;
|
|
}
|
|
|
|
static uint8_t* draw_mini_preview_get_pixel_ptr(LocationXY16 pixel)
|
|
{
|
|
return &_window_track_place_mini_preview[pixel.y * TRACK_MINI_PREVIEW_WIDTH + pixel.x];
|
|
}
|