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Files
OpenRCT2/src/openrct2/object/WaterObject.cpp
2019-03-17 07:16:15 +00:00

135 lines
4.1 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.
*****************************************************************************/
#pragma warning(disable : 4706) // assignment within conditional expression
#include "WaterObject.h"
#include "../OpenRCT2.h"
#include "../core/IStream.hpp"
#include "../localisation/Language.h"
#include "../localisation/StringIds.h"
#include "ObjectJsonHelpers.h"
#include <memory>
void WaterObject::ReadLegacy(IReadObjectContext* context, IStream* stream)
{
stream->Seek(14, STREAM_SEEK_CURRENT);
_legacyType.flags = stream->ReadValue<uint16_t>();
GetStringTable().Read(context, stream, OBJ_STRING_ID_NAME);
GetImageTable().Read(context, stream);
}
void WaterObject::Load()
{
GetStringTable().Sort();
_legacyType.string_idx = language_allocate_object_string(GetName());
_legacyType.image_id = gfx_object_allocate_images(GetImageTable().GetImages(), GetImageTable().GetCount());
_legacyType.palette_index_1 = _legacyType.image_id + 1;
_legacyType.palette_index_2 = _legacyType.image_id + 4;
load_palette();
}
void WaterObject::Unload()
{
gfx_object_free_images(_legacyType.image_id, GetImageTable().GetCount());
language_free_object_string(_legacyType.string_idx);
_legacyType.string_idx = 0;
}
void WaterObject::DrawPreview(rct_drawpixelinfo* dpi, int32_t width, int32_t height) const
{
// Write (no image)
int32_t x = width / 2;
int32_t y = height / 2;
gfx_draw_string_centred(dpi, STR_WINDOW_NO_IMAGE, x, y, COLOUR_BLACK, nullptr);
}
void WaterObject::ReadJson([[maybe_unused]] IReadObjectContext* context, const json_t* root)
{
auto properties = json_object_get(root, "properties");
_legacyType.flags = ObjectJsonHelpers::GetFlags<uint16_t>(
properties,
{
{ "allowDucks", WATER_FLAGS_ALLOW_DUCKS },
});
ObjectJsonHelpers::LoadStrings(root, GetStringTable());
// Images which are actually palette data
static const char* paletteNames[] = {
"general", "waves-0", "waves-1", "waves-2", "sparkles-0", "sparkles-1", "sparkles-2",
};
for (auto paletteName : paletteNames)
{
auto jPalettes = json_object_get(properties, "palettes");
if (jPalettes != nullptr)
{
auto jPalette = json_object_get(jPalettes, paletteName);
if (jPalette != nullptr)
{
ReadJsonPalette(jPalette);
}
}
}
}
void WaterObject::ReadJsonPalette(const json_t* jPalette)
{
auto paletteStartIndex = json_integer_value(json_object_get(jPalette, "index"));
auto jColours = json_object_get(jPalette, "colours");
auto numColours = json_array_size(jColours);
auto data = std::make_unique<uint8_t[]>(numColours * 3);
size_t dataIndex = 0;
size_t index;
const json_t* jColour;
json_array_foreach(jColours, index, jColour)
{
auto szColour = json_string_value(jColour);
if (szColour != nullptr)
{
auto colour = ParseColour(szColour);
data[dataIndex + 0] = (colour >> 16) & 0xFF;
data[dataIndex + 1] = (colour >> 8) & 0xFF;
data[dataIndex + 2] = colour & 0xFF;
}
dataIndex += 3;
}
rct_g1_element g1 = {};
g1.offset = data.get();
g1.width = (int16_t)numColours;
g1.x_offset = (int16_t)paletteStartIndex;
g1.flags = G1_FLAG_PALETTE;
auto& imageTable = GetImageTable();
imageTable.AddImage(&g1);
}
uint32_t WaterObject::ParseColour(const std::string& s) const
{
uint8_t r = 0;
uint8_t g = 0;
uint8_t b = 0;
if (s[0] == '#' && s.size() == 7)
{
// Expect #RRGGBB
r = std::stoul(s.substr(1, 2), nullptr, 16) & 0xFF;
g = std::stoul(s.substr(3, 2), nullptr, 16) & 0xFF;
b = std::stoul(s.substr(5, 2), nullptr, 16) & 0xFF;
}
return (b << 16) | (g << 8) | r;
}