#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
/*****************************************************************************
 * OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
 *
 * OpenRCT2 is the work of many authors, a full list can be found in contributors.md
 * For more information, visit https://github.com/OpenRCT2/OpenRCT2
 *
 * OpenRCT2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * A full copy of the GNU General Public License can be found in licence.txt
 *****************************************************************************/
#pragma endregion

#include "../../interface/viewport.h"
#include "../../paint/paint.h"
#include "../../paint/supports.h"
#include "../track_paint.h"
#include "../track.h"

enum {
    SPR_MOTION_SIMULATOR_STAIRS_R0      = 22154,
    SPR_MOTION_SIMULATOR_STAIRS_R1      = 22155,
    SPR_MOTION_SIMULATOR_STAIRS_R2      = 22156,
    SPR_MOTION_SIMULATOR_STAIRS_R3      = 22157,
    SPR_MOTION_SIMULATOR_STAIRS_RAIL_R0 = 22158,
    SPR_MOTION_SIMULATOR_STAIRS_RAIL_R1 = 22159,
    SPR_MOTION_SIMULATOR_STAIRS_RAIL_R2 = 22160,
    SPR_MOTION_SIMULATOR_STAIRS_RAIL_R3 = 22161,
};

/**
 *
 *  rct2: 0x0076522A
 */
static void paint_motionsimulator_vehicle(sint8 offsetX, sint8 offsetY, uint8 direction, sint32 height, rct_map_element* mapElement)
{
    rct_ride *ride = get_ride(mapElement->properties.track.ride_index);
    rct_ride_entry *rideEntry = get_ride_entry_by_ride(ride);

    rct_map_element * savedMapElement = g_currently_drawn_item;

    rct_vehicle *vehicle = NULL;
    if (ride->lifecycle_flags & RIDE_LIFECYCLE_ON_TRACK) {
        uint16 spriteIndex = ride->vehicles[0];
        if (spriteIndex != SPRITE_INDEX_NULL) {
            vehicle = GET_VEHICLE(spriteIndex);
            gPaintInteractionType = VIEWPORT_INTERACTION_ITEM_SPRITE;
            g_currently_drawn_item = vehicle;
        }
    }

    uint32 simulatorImageId = rideEntry->vehicles[0].base_image_id + direction;
    if (vehicle != NULL) {
        if (vehicle->restraints_position >= 64) {
            simulatorImageId += (vehicle->restraints_position >> 6) << 2;
        } else {
            simulatorImageId += vehicle->vehicle_sprite_type * 4;
        }
    }

    uint32 imageColourFlags = gTrackColours[SCHEME_MISC];
    if (imageColourFlags == 0x20000000) {
        imageColourFlags = IMAGE_TYPE_REMAP_2_PLUS | IMAGE_TYPE_REMAP;
        imageColourFlags |= ride->vehicle_colours[0].body_colour << 19;
        imageColourFlags |= ride->vehicle_colours[0].trim_colour << 24;
    }
    simulatorImageId |= imageColourFlags;

    sint16 offsetZ = height + 2;
    uint32 imageId;
    uint8 currentRotation = get_current_rotation();
    switch (direction) {
    case 0:
        // Simulator
        imageId = simulatorImageId;
        sub_98197C(imageId, offsetX, offsetY, 20, 20, 44, offsetZ, offsetX, offsetY, offsetZ, currentRotation);
        // Stairs
        imageId = (SPR_MOTION_SIMULATOR_STAIRS_R0 + direction) | gTrackColours[SCHEME_MISC];
        sub_98199C(imageId, offsetX, offsetY, 20, 20, 44, offsetZ, offsetX, offsetY, offsetZ, currentRotation);
        // Stairs (rail)
        imageId = (SPR_MOTION_SIMULATOR_STAIRS_RAIL_R0 + direction) | gTrackColours[SCHEME_MISC];
        sub_98197C(imageId, offsetX, offsetY, 20, 2, 44, offsetZ, offsetX, offsetY + 32, offsetZ, currentRotation);
        break;
    case 1:
        // Simulator
        imageId = simulatorImageId;
        sub_98197C(imageId, offsetX, offsetY, 20, 20, 44, offsetZ, offsetX, offsetY, offsetZ, currentRotation);
        // Stairs
        imageId = (SPR_MOTION_SIMULATOR_STAIRS_R0 + direction) | gTrackColours[SCHEME_MISC];
        sub_98199C(imageId, offsetX, offsetY, 20, 20, 44, offsetZ, offsetX, offsetY, offsetZ, currentRotation);
        // Stairs (rail)
        imageId = (SPR_MOTION_SIMULATOR_STAIRS_RAIL_R0 + direction) | gTrackColours[SCHEME_MISC];
        sub_98197C(imageId, offsetX, offsetY, 2, 20, 44, offsetZ, offsetX + 34, offsetY, offsetZ, currentRotation);
        break;
    case 2:
        // Stairs (rail)
        imageId = (SPR_MOTION_SIMULATOR_STAIRS_RAIL_R0 + direction) | gTrackColours[SCHEME_MISC];
        sub_98197C(imageId, offsetX, offsetY, 20, 2, 44, offsetZ, offsetX, offsetY - 10, offsetZ, currentRotation);
        // Stairs
        imageId = (SPR_MOTION_SIMULATOR_STAIRS_R0 + direction) | gTrackColours[SCHEME_MISC];
        sub_98197C(imageId, offsetX, offsetY, 20, 20, 44, offsetZ, offsetX, offsetY + 5, offsetZ, currentRotation);
        // Simulator
        imageId = simulatorImageId;
        sub_98199C(imageId, offsetX, offsetY, 20, 20, 44, offsetZ, offsetX, offsetY + 5, offsetZ, currentRotation);
        break;
    case 3:
        // Stairs (rail)
        imageId = (SPR_MOTION_SIMULATOR_STAIRS_RAIL_R0 + direction) | gTrackColours[SCHEME_MISC];
        sub_98197C(imageId, offsetX, offsetY, 2, 20, 44, offsetZ, offsetX - 10, offsetY, offsetZ, currentRotation);
        // Stairs
        imageId = (SPR_MOTION_SIMULATOR_STAIRS_R0 + direction) | gTrackColours[SCHEME_MISC];
        sub_98197C(imageId, offsetX, offsetY, 20, 20, 44, offsetZ, offsetX + 5, offsetY, offsetZ, currentRotation);
        // Simulator
        imageId = simulatorImageId;
        sub_98199C(imageId, offsetX, offsetY, 20, 20, 44, offsetZ, offsetX + 5, offsetY, offsetZ, currentRotation);
        break;
    }

    g_currently_drawn_item = savedMapElement;
    gPaintInteractionType = VIEWPORT_INTERACTION_ITEM_RIDE;
}

/** rct2: 0x008A85C4 */
static void paint_motionsimulator(uint8 rideIndex, uint8 trackSequence, uint8 direction, sint32 height, rct_map_element * mapElement)
{
    trackSequence = track_map_2x2[direction][trackSequence];

    sint32 edges = edges_2x2[trackSequence];
    rct_ride *ride = get_ride(rideIndex);
    rct_xy16 position = { gPaintMapPosition.x, gPaintMapPosition.y };

    wooden_a_supports_paint_setup((direction & 1), 0, height, gTrackColours[SCHEME_MISC], NULL);
    track_paint_util_paint_floor(edges, gTrackColours[SCHEME_TRACK], height, floorSpritesCork, get_current_rotation());
    track_paint_util_paint_fences(edges, position, mapElement, ride, gTrackColours[SCHEME_SUPPORTS], height, fenceSpritesRope, get_current_rotation());

    switch (trackSequence) {
    case 1: paint_motionsimulator_vehicle( 16, -16, direction, height, mapElement); break;
    case 2: paint_motionsimulator_vehicle(-16,  16, direction, height, mapElement); break;
    case 3: paint_motionsimulator_vehicle(-16, -16, direction, height, mapElement); break;
    }

    paint_util_set_segment_support_height(SEGMENTS_ALL, 0xFFFF, 0);
    paint_util_set_general_support_height(height + 128, 0x20);
}

/**
 *
 *  rct2: 0x00763520
 */
TRACK_PAINT_FUNCTION get_track_paint_function_motionsimulator(sint32 trackType, sint32 direction)
{
    switch (trackType) {
    case FLAT_TRACK_ELEM_2_X_2: return paint_motionsimulator;
    }
    return NULL;
}
