OpenRCT2/src/openrct2/ride/thrill/MagicCarpet.cpp

281 lines
9.6 KiB
C++

/*****************************************************************************
* Copyright (c) 2014-2019 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#include "../../interface/Viewport.h"
#include "../../paint/Paint.h"
#include "../../paint/Supports.h"
#include "../../world/Sprite.h"
#include "../Track.h"
#include "../TrackPaint.h"
enum
{
PLANE_BACK,
PLANE_FRONT,
};
enum
{
SPR_MAGIC_CARPET_FRAME_NW = 22002,
SPR_MAGIC_CARPET_FRAME_SE = 22003,
SPR_MAGIC_CARPET_FRAME_NE = 22004,
SPR_MAGIC_CARPET_FRAME_SW = 22005,
SPR_MAGIC_CARPET_PENDULUM_NW = 22006,
SPR_MAGIC_CARPET_PENDULUM_NE = 22038,
SPR_MAGIC_CARPET_PENDULUM_SE = 22070,
SPR_MAGIC_CARPET_PENDULUM_SW = 22102,
};
struct bound_box
{
int16_t x;
int16_t y;
int16_t width;
int16_t height;
};
/** rct2: 0x01428220 */
static constexpr const int16_t MagicCarpetOscillationZ[] = { -2, -1, 1, 5, 10, 16, 23, 30, 37, 45, 52, 59, 65, 70, 74, 76,
77, 76, 74, 70, 65, 59, 52, 45, 37, 30, 23, 16, 10, 5, 1, -1 };
/** rct2: 0x01428260 */
static constexpr const int8_t MagicCarpetOscillationXY[] = { 0, 6, 12, 18, 23, 27, 30, 31, 32, 31, 30,
27, 23, 18, 12, 6, 0, -5, -11, -17, -22, -26,
-29, -30, -31, -30, -29, -26, -22, -17, -11, -5 };
/** rct2: 0x014281F0 */
static constexpr const bound_box MagicCarpetBounds[] = {
{ 0, 8, 32, 16 }, { 8, 0, 16, 32 }, { 0, 8, 32, 16 }, { 8, 0, 16, 32 }
};
static rct_vehicle* get_first_vehicle(Ride* ride)
{
if (ride->lifecycle_flags & RIDE_LIFECYCLE_ON_TRACK)
{
uint16_t vehicleSpriteIndex = ride->vehicles[0];
if (vehicleSpriteIndex != SPRITE_INDEX_NULL)
{
return GET_VEHICLE(vehicleSpriteIndex);
}
}
return nullptr;
}
static void paint_magic_carpet_frame(
paint_session* session, uint8_t plane, uint8_t direction, LocationXYZ16 offset, LocationXYZ16 bbOffset,
LocationXYZ16 bbSize)
{
uint32_t imageId;
if (direction & 1)
{
imageId = plane == PLANE_BACK ? SPR_MAGIC_CARPET_FRAME_NE : SPR_MAGIC_CARPET_FRAME_SW;
}
else
{
imageId = plane == PLANE_BACK ? SPR_MAGIC_CARPET_FRAME_NW : SPR_MAGIC_CARPET_FRAME_SE;
}
imageId |= session->TrackColours[SCHEME_TRACK];
if (plane == PLANE_BACK)
{
sub_98197C(
session, imageId, (int8_t)offset.x, (int8_t)offset.y, bbSize.x, bbSize.y, 127, offset.z, bbOffset.x, bbOffset.y,
bbOffset.z);
}
else
{
sub_98199C(
session, imageId, (int8_t)offset.x, (int8_t)offset.y, bbSize.x, bbSize.y, 127, offset.z, bbOffset.x, bbOffset.y,
bbOffset.z);
}
}
static void paint_magic_carpet_pendulum(
paint_session* session, uint8_t plane, uint32_t swingImageId, uint8_t direction, LocationXYZ16 offset,
LocationXYZ16 bbOffset, LocationXYZ16 bbSize)
{
uint32_t imageId = swingImageId;
if (direction & 2)
{
imageId = (0 - ((int32_t)imageId)) & 31;
}
if (direction & 1)
{
imageId += plane == PLANE_BACK ? SPR_MAGIC_CARPET_PENDULUM_NE : SPR_MAGIC_CARPET_PENDULUM_SW;
}
else
{
imageId += plane == PLANE_BACK ? SPR_MAGIC_CARPET_PENDULUM_NW : SPR_MAGIC_CARPET_PENDULUM_SE;
}
imageId |= session->TrackColours[SCHEME_TRACK];
sub_98199C(
session, imageId, (int8_t)offset.x, (int8_t)offset.y, bbSize.x, bbSize.y, 127, offset.z, bbOffset.x, bbOffset.y,
bbOffset.z);
}
static void paint_magic_carpet_vehicle(
paint_session* session, Ride* ride, uint8_t direction, uint32_t swingImageId, LocationXYZ16 offset, LocationXYZ16 bbOffset,
LocationXYZ16 bbSize)
{
rct_ride_entry* rideEntry = ride->GetRideEntry();
uint32_t vehicleImageId = rideEntry->vehicles[0].base_image_id + direction;
// Vehicle
uint32_t imageColourFlags = session->TrackColours[SCHEME_MISC];
if (imageColourFlags == IMAGE_TYPE_REMAP)
{
imageColourFlags = SPRITE_ID_PALETTE_COLOUR_2(ride->vehicle_colours[0].Body, ride->vehicle_colours[0].Trim);
}
int8_t directionalOffset = MagicCarpetOscillationXY[swingImageId];
switch (direction)
{
case 0:
offset.x -= directionalOffset;
break;
case 1:
offset.y += directionalOffset;
break;
case 2:
offset.x += directionalOffset;
break;
case 3:
offset.y -= directionalOffset;
break;
}
offset.z += MagicCarpetOscillationZ[swingImageId];
sub_98199C(
session, vehicleImageId | imageColourFlags, (int8_t)offset.x, (int8_t)offset.y, bbSize.x, bbSize.y, 127, offset.z,
bbOffset.x, bbOffset.y, bbOffset.z);
// Riders
rct_drawpixelinfo* dpi = &session->DPI;
if (dpi->zoom_level <= 1 && (ride->lifecycle_flags & RIDE_LIFECYCLE_ON_TRACK))
{
rct_vehicle* vehicle = get_first_vehicle(ride);
if (vehicle != nullptr)
{
uint32_t baseImageId = IMAGE_TYPE_REMAP | IMAGE_TYPE_REMAP_2_PLUS | (vehicleImageId + 4);
for (uint8_t peepIndex = 0; peepIndex < vehicle->num_peeps; peepIndex += 2)
{
uint32_t imageId = baseImageId + (peepIndex * 2);
imageId |= (vehicle->peep_tshirt_colours[peepIndex + 0] << 19);
imageId |= (vehicle->peep_tshirt_colours[peepIndex + 1] << 24);
sub_98199C(
session, imageId, (int8_t)offset.x, (int8_t)offset.y, bbSize.x, bbSize.y, 127, offset.z, bbOffset.x,
bbOffset.y, bbOffset.z);
}
}
}
}
/** rct2: 0x00899104 */
static void paint_magic_carpet_structure(
paint_session* session, Ride* ride, uint8_t direction, int8_t axisOffset, uint16_t height)
{
const TileElement* savedTileElement = static_cast<const TileElement*>(session->CurrentlyDrawnItem);
rct_vehicle* vehicle = get_first_vehicle(ride);
uint32_t swingImageId = 0;
if (vehicle != nullptr)
{
swingImageId = vehicle->vehicle_sprite_type;
session->InteractionType = VIEWPORT_INTERACTION_ITEM_SPRITE;
session->CurrentlyDrawnItem = vehicle;
}
bound_box bb = MagicCarpetBounds[direction];
LocationXYZ16 offset, bbOffset, bbSize;
offset.x = (direction & 1) ? 0 : axisOffset;
offset.y = (direction & 1) ? axisOffset : 0;
offset.z = height + 7;
bbOffset.x = bb.x;
bbOffset.y = bb.y;
bbOffset.z = height + 7;
bbSize.x = bb.width;
bbSize.y = bb.height;
bbSize.z = 127;
paint_magic_carpet_frame(session, PLANE_BACK, direction, offset, bbOffset, bbSize);
paint_magic_carpet_pendulum(session, PLANE_BACK, swingImageId, direction, offset, bbOffset, bbSize);
paint_magic_carpet_vehicle(session, ride, direction, swingImageId, offset, bbOffset, bbSize);
paint_magic_carpet_pendulum(session, PLANE_FRONT, swingImageId, direction, offset, bbOffset, bbSize);
paint_magic_carpet_frame(session, PLANE_FRONT, direction, offset, bbOffset, bbSize);
session->InteractionType = VIEWPORT_INTERACTION_ITEM_RIDE;
session->CurrentlyDrawnItem = savedTileElement;
}
/** rct2: 0x00898514 */
static void paint_magic_carpet(
paint_session* session, ride_id_t rideIndex, uint8_t trackSequence, uint8_t direction, int32_t height,
const TileElement* tileElement)
{
uint8_t relativeTrackSequence = track_map_1x4[direction][trackSequence];
// The end tiles do not have a platform
switch (relativeTrackSequence)
{
case 0:
case 2:
if (direction & 1)
{
metal_a_supports_paint_setup(
session, METAL_SUPPORTS_TUBES, 6, 0, height, session->TrackColours[SCHEME_SUPPORTS]);
metal_a_supports_paint_setup(
session, METAL_SUPPORTS_TUBES, 7, 0, height, session->TrackColours[SCHEME_SUPPORTS]);
}
else
{
metal_a_supports_paint_setup(
session, METAL_SUPPORTS_TUBES, 5, 0, height, session->TrackColours[SCHEME_SUPPORTS]);
metal_a_supports_paint_setup(
session, METAL_SUPPORTS_TUBES, 8, 0, height, session->TrackColours[SCHEME_SUPPORTS]);
}
uint32_t imageId = SPR_STATION_BASE_D | session->TrackColours[SCHEME_SUPPORTS];
sub_98196C(session, imageId, 0, 0, 32, 32, 1, height);
break;
}
Ride* ride = get_ride(rideIndex);
switch (relativeTrackSequence)
{
case 3:
paint_magic_carpet_structure(session, ride, direction, -48, height);
break;
case 0:
paint_magic_carpet_structure(session, ride, direction, -16, height);
break;
case 2:
paint_magic_carpet_structure(session, ride, direction, 16, height);
break;
case 1:
paint_magic_carpet_structure(session, ride, direction, 48, height);
break;
}
paint_util_set_segment_support_height(session, SEGMENTS_ALL, 0xFFFF, 0);
paint_util_set_general_support_height(session, height + 176, 0x20);
}
/**
*
* rct2: 0x00898384
*/
TRACK_PAINT_FUNCTION get_track_paint_function_magic_carpet(int32_t trackType, int32_t direction)
{
switch (trackType)
{
case FLAT_TRACK_ELEM_1_X_4_A:
return paint_magic_carpet;
}
return nullptr;
}