PulseStudio/VoxelEngine
PulseStudio/VoxelEngine
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add Heightmap:mixin(...)

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MihailRis 2024-10-15 22:19:06 +03:00
parent 08ebfa15db
commit 5e79bc07e9
1 changed files with 43 additions and 0 deletions
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43
src/logic/scripting/lua/usertypes/lua_type_heightmap.cpp
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@ -164,6 +164,48 @@ static int l_binop_func(lua::State* L) {
return 0;
}
static int l_mixin(lua::State* L) {
if (auto heightmap = touserdata<LuaHeightmap>(L, 1)) {
uint w = heightmap->getWidth();
uint h = heightmap->getHeight();
auto heights = heightmap->getValues();
if (isnumber(L, 2)) {
float scalar = tonumber(L, 2);
if (isnumber(L, 3)) {
float t = tonumber(L, 3);
for (uint i = 0; i < w * h; i++) {
heights[i] = heights[i] * (1.0f - t) + scalar * t;
}
} else {
auto tmap = touserdata<LuaHeightmap>(L, 3);
auto tmapvalues = tmap->getValues();
for (uint i = 0; i < w * h; i++) {
float t = tmapvalues[i];
heights[i] = heights[i] * (1.0f - t) + scalar * t;
}
}
} else {
auto map = touserdata<LuaHeightmap>(L, 2);
auto mapvalues = map->getValues();
if (isnumber(L, 3)) {
float t = tonumber(L, 3);
for (uint i = 0; i < w * h; i++) {
heights[i] = heights[i] * (1.0f - t) + mapvalues[i] * t;
}
} else {
auto tmap = touserdata<LuaHeightmap>(L, 3);
auto tmapvalues = tmap->getValues();
for (uint i = 0; i < w * h; i++) {
float t = tmapvalues[i];
heights[i] = heights[i] * (1.0f - t) + mapvalues[i] * t;
}
}
}
}
return 0;
}
template<template<class> class Op>
static int l_unaryop_func(lua::State* L) {
Op<float> op;
@ -221,6 +263,7 @@ static std::unordered_map<std::string, lua_CFunction> methods {
{"resize", lua::wrap<l_resize>},
{"crop", lua::wrap<l_crop>},
{"at", lua::wrap<l_at>},
{"mixin", lua::wrap<l_mixin>},
};
static int l_meta_meta_call(lua::State* L) {