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deduplication for landbindings.cpp + slight api changes

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- remove textureId from return
- return plugin name instead of plugin id
This commit is contained in:
Sebastian Fieber 2024-12-22 22:47:31 +01:00
parent dcf0c6e314
commit 4182279f72
2 changed files with 60 additions and 78 deletions
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135
apps/openmw/mwlua/landbindings.cpp
View file

@ -4,72 +4,67 @@
#include <apps/openmw/mwworld/cellstore.hpp>
#include <apps/openmw/mwworld/worldmodel.hpp>
#include <components/esm/util.hpp>
#include <components/esmterrain/storage.hpp>
#include "../mwbase/environment.hpp"
#include "../mwbase/world.hpp"
#include "../mwworld/esmstore.hpp"
static const ESM::RefId worldspaceAt(const osg::Vec3f& pos, sol::object cellOrName)
{
ESM::RefId worldspace;
if (cellOrName.is<MWLua::GCell>())
worldspace = cellOrName.as<MWLua::GCell>().mStore->getCell()->getWorldSpace();
else if (cellOrName.is<std::string_view>() && !cellOrName.as<std::string_view>().empty())
worldspace = MWBase::Environment::get()
.getWorldModel()
->getCell(cellOrName.as<std::string_view>())
.getCell()
->getWorldSpace();
else
worldspace = ESM::Cell::sDefaultWorldspaceId;
return worldspace;
}
static bool fillLandData(const MWWorld::Store<ESM::Land>* landStore, const osg::Vec3f& pos, const float cellSize,
const ESM::Land** land, const ESM::Land::LandData** landData)
{
int cellX = static_cast<int>(std::floor(pos.x() / cellSize));
int cellY = static_cast<int>(std::floor(pos.y() / cellSize));
*land = landStore->search(cellX, cellY);
if (*land != nullptr)
*landData = (*land)->getLandData(ESM::Land::DATA_VTEX);
// If we fail to preload land data, return, we need to be able to get *any* land to know how to correct
// the position used to sample terrain
if (*landData == nullptr)
return false;
return true;
}
namespace MWLua
{
sol::table initCoreLandBindings(const Context& context)
{
sol::state_view& lua = context.mLua->sol();
auto lua = context.sol();
sol::table landApi(lua, sol::create);
landApi["getHeightAt"] = [](const osg::Vec3f& pos, sol::object cellOrName) {
ESM::RefId worldspace;
if (cellOrName.is<GCell>())
worldspace = cellOrName.as<GCell>().mStore->getCell()->getWorldSpace();
else if (cellOrName.is<std::string_view>() && !cellOrName.as<std::string_view>().empty())
worldspace = MWBase::Environment::get()
.getWorldModel()
->getCell(cellOrName.as<std::string_view>())
.getCell()
->getWorldSpace();
else
worldspace = ESM::Cell::sDefaultWorldspaceId;
const float cellSize = ESM::getCellSize(worldspace);
int cellX = static_cast<int>(std::floor(pos.x() / cellSize));
int cellY = static_cast<int>(std::floor(pos.y() / cellSize));
auto store = MWBase::Environment::get().getESMStore();
auto landStore = store->get<ESM::Land>();
auto land = landStore.search(cellX, cellY);
const ESM::Land::LandData* landData = nullptr;
if (land != nullptr)
{
landData = land->getLandData(ESM::Land::DATA_VHGT);
}
if (landData == nullptr)
{
// If we failed to load data, return the default height
return static_cast<float>(ESM::Land::DEFAULT_HEIGHT);
}
return ESMTerrain::Storage::getHeightAt(landData->mHeights, landData->sLandSize, pos, cellSize);
auto worldspace = worldspaceAt(pos, cellOrName);
return MWBase::Environment::get().getWorld()->getTerrainHeightAt(pos, worldspace);
};
landApi["getTextureAt"] = [lua = context.mLua](const osg::Vec3f& pos, sol::object cellOrName) {
landApi["getTextureAt"] = [lua = lua](const osg::Vec3f& pos, sol::object cellOrName) {
sol::variadic_results values;
ESM::RefId worldspace;
if (cellOrName.is<GCell>())
worldspace = cellOrName.as<GCell>().mStore->getCell()->getWorldSpace();
else if (cellOrName.is<std::string_view>() && !cellOrName.as<std::string_view>().empty())
worldspace = MWBase::Environment::get()
.getWorldModel()
->getCell(cellOrName.as<std::string_view>())
.getCell()
->getWorldSpace();
else
worldspace = ESM::Cell::sDefaultWorldspaceId;
const float cellSize = ESM::getCellSize(worldspace);
int cellX = static_cast<int>(std::floor(pos.x() / cellSize));
int cellY = static_cast<int>(std::floor(pos.y() / cellSize));
auto store = MWBase::Environment::get().getESMStore();
auto landStore = store->get<ESM::Land>();
const float cellSize = ESM::getCellSize(worldspaceAt(pos, cellOrName));
// We need to read land twice. Once to get the amount of texture samples per cell edge, and the second time
// to get the actual data
// This is because the visual land textures are offset with regards to quads that are rendered for terrain.
@ -77,36 +72,22 @@ namespace MWLua
// as it differs between tes3 and tes4. It's equal -
// Once we know the value, we will calculate the offset and retrieve a sample again, this time
// with the offset taken into account.
auto landStore = store->get<ESM::Land>();
auto land = landStore.search(cellX, cellY);
const ESM::Land* land = nullptr;
const ESM::Land::LandData* landData = nullptr;
if (land != nullptr)
{
landData = land->getLandData(ESM::Land::DATA_VTEX);
}
if (landData == nullptr)
{
// If we fail to preload land data, return, we need to be able to get *any* land to know how to correct
// the position used to sample terrain
if (!fillLandData(&landStore, pos, cellSize, &land, &landData))
return values;
}
// Use landData to get amount of sampler per cell edge (sLandTextureSize)
// and then get the corrected position that will map to the rendered texture
const osg::Vec3f correctedPos
= ESMTerrain::Storage::getTextureCorrectedWorldPos(pos, landData->sLandTextureSize, cellSize);
int correctedCellX = static_cast<int>(std::floor(correctedPos.x() / cellSize));
int correctedCellY = static_cast<int>(std::floor(correctedPos.y() / cellSize));
auto correctedLand = landStore.search(correctedCellX, correctedCellY);
const ESM::Land* correctedLand = nullptr;
const ESM::Land::LandData* correctedLandData = nullptr;
if (correctedLand != nullptr)
{
correctedLandData = correctedLand->getLandData(ESM::Land::DATA_VTEX);
}
if (correctedLandData == nullptr)
{
if (!fillLandData(&landStore, correctedPos, cellSize, &correctedLand, &correctedLandData))
return values;
}
// We're passing in sLandTextureSize, NOT sLandSize like with getHeightAt
const ESMTerrain::UniqueTextureId textureId
@ -116,15 +97,17 @@ namespace MWLua
// Need to check for 0, 0 so that we can safely subtract 1 later, as per documentation on UniqueTextureId
if (textureId.first != 0)
{
values.push_back(sol::make_object<uint16_t>(lua->sol(), textureId.first - 1));
values.push_back(sol::make_object<int>(lua->sol(), textureId.second));
auto store = MWBase::Environment::get().getESMStore();
auto textureStore = store->get<ESM::LandTexture>();
const std::string* textureString = textureStore.search(textureId.first - 1, textureId.second);
if (textureString)
{
values.push_back(sol::make_object<std::string>(lua->sol(), *textureString));
}
values.push_back(sol::make_object<std::string>(lua, *textureString));
else
return values;
const std::vector<std::string>& contentList = MWBase::Environment::get().getWorld()->getContentFiles();
if (textureId.second > 0 && textureId.second < contentList.size())
values.push_back(sol::make_object<std::string>(lua, contentList[textureId.second]));
}
return values;

3
files/lua_api/openmw/core.lua
View file

@ -470,9 +470,8 @@
-- @function [parent=#Land] getTextureAt
-- @param openmw.util#Vector3 position
-- @param #any cellOrName (optional) cell or cell name in their exterior world space to query
-- @return #nil, #number Land texture index or nil if failed to retrieve the texture. Landscape textures created through editors such as openmw-cs can be assigned an id to differentiate them, that is also used for terrain rendering. The value returned here corresponds to that value. See also LTEX records (https://en.uesp.net/wiki/Morrowind_Mod:Mod_File_Format/LTEX)
-- @return #nil, #number Plugin id or nil if failed to retrieve the texture
-- @return #nil, #string Texture path or nil if one isn't defined
-- @return #nil, #string Plugin name or nil if failed to retrieve the texture
--- Possible @{#SpellRange} values
-- @field [parent=#Magic] #SpellRange RANGE