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add heightmap:resize(int, int, str)

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MihailRis 2024-08-17 22:09:31 +03:00
parent e560236a8c
commit 8c0a3f4260
4 changed files with 114 additions and 1 deletions
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20
src/logic/scripting/lua/lua_type_heightmap.cpp
View file

@ -53,6 +53,7 @@ static int l_dump(lua::State* L) {
return 0;
}
template<fnl_noise_type noise_type>
static int l_noise(lua::State* L) {
if (auto heightmap = touserdata<LuaHeightmap>(L, 1)) {
uint w = heightmap->getWidth();
@ -79,6 +80,7 @@ static int l_noise(lua::State* L) {
if (gettop(L) > 6) {
shiftMapY = touserdata<LuaHeightmap>(L, 7);
}
noise->noise_type = noise_type;
for (uint y = 0; y < h; y++) {
for (uint x = 0; x < w; x++) {
uint i = y * w + x;
@ -150,15 +152,31 @@ static int l_unaryop_func(lua::State* L) {
return 0;
}
static int l_resize(lua::State* L) {
if (auto heightmap = touserdata<LuaHeightmap>(L, 1)) {
uint width = touinteger(L, 2);
uint height = touinteger(L, 3);
auto interpName = tostring(L, 4);
auto interpolation = InterpolationType::NEAREST;
if (!std::strcmp(interpName, "linear")) {
interpolation = InterpolationType::LINEAR;
}
heightmap->getHeightmap()->resize(width, height, interpolation);
}
return 0;
}
static std::unordered_map<std::string, lua_CFunction> methods {
{"dump", lua::wrap<l_dump>},
{"noise", lua::wrap<l_noise>},
{"noise", lua::wrap<l_noise<FNL_NOISE_OPENSIMPLEX2>>},
{"cellnoise", lua::wrap<l_noise<FNL_NOISE_CELLULAR>>},
{"pow", lua::wrap<l_binop_func<util::pow>>},
{"add", lua::wrap<l_binop_func<std::plus>>},
{"mul", lua::wrap<l_binop_func<std::multiplies>>},
{"min", lua::wrap<l_binop_func<util::min>>},
{"max", lua::wrap<l_binop_func<util::max>>},
{"abs", lua::wrap<l_unaryop_func<util::abs>>},
{"resize", lua::wrap<l_resize>},
};
static int l_meta_meta_call(lua::State* L) {

7
src/logic/scripting/lua/lua_util.hpp
View file

@ -306,6 +306,13 @@ namespace lua {
inline lua::Integer tointeger(lua::State* L, int idx) {
return lua_tointeger(L, idx);
}
inline uint64_t touinteger(lua::State* L, int idx) {
auto val = lua_tointeger(L, idx);
if (val < 0) {
throw std::runtime_error("negative value");
}
return static_cast<uint64_t>(val);
}
inline lua::Number tonumber(lua::State* L, int idx) {
return lua_tonumber(L, idx);
}