PulseStudio/VoxelEngine
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ref vectors

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This commit is contained in:
Cogi Asd 2024-07-08 14:54:19 +03:00
parent 9a43940baf
commit 9c45f187f8
1 changed files with 26 additions and 14 deletions
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40
src/logic/scripting/lua/libvecn.cpp
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@ -9,10 +9,10 @@ static int l_binop(lua::State* L) {
if (argc != 2 && argc != 3) {
throw std::runtime_error("invalid arguments number (2 or 3 expected)");
}
auto a = lua::tovec<n>(L, 1);
const auto& a = lua::tovec<n>(L, 1);
if (lua::isnumber(L, 2)) { // scalar second operand overload
auto b = lua::tonumber(L, 2);
const auto& b = lua::tonumber(L, 2);
Operation op;
if (argc == 2) {
lua::createtable(L, n, 0);
@ -25,7 +25,7 @@ static int l_binop(lua::State* L) {
return lua::setvec(L, 3, op(a, glm::vec<n, float>(b)));
}
} else {
auto b = lua::tovec<n>(L, 2);
const auto& b = lua::tovec<n>(L, 2);
Operation op;
if (argc == 2) {
lua::createtable(L, n, 0);
@ -43,7 +43,7 @@ static int l_binop(lua::State* L) {
template<int n, glm::vec<n, float>(*func)(const glm::vec<n, float>&)>
static int l_unaryop(lua::State* L) {
uint argc = lua::gettop(L);
auto vec = func(lua::tovec<n>(L, 1));
const auto& vec = func(lua::tovec<n>(L, 1));
switch (argc) {
case 1:
lua::createtable(L, n, 0);
@ -73,8 +73,8 @@ static int l_pow(lua::State* L) {
if (lua::gettop(L) != 2) {
throw std::runtime_error("invalid arguments number (2 expected)");
}
auto a = lua::tovec<n>(L, 1); //vector
auto b = lua::tonumber(L, 2); //scalar (pow)
const auto& a = lua::tovec<n>(L, 1); //vector
const auto& b = lua::tonumber(L, 2); //scalar (pow)
glm::vec<n, float> result_vector;
for (int i = 0; i < n; i++) {
result_vector[i] = pow(a[i], b);
@ -84,21 +84,30 @@ static int l_pow(lua::State* L) {
template<int n>
static int l_dot(lua::State* L) {
if (lua::gettop(L)!= 2) {
if (lua::gettop(L) != 2) {
throw std::runtime_error("invalid arguments number (2 expected)");
}
auto a = lua::tovec<n>(L, 1);
auto b = lua::tovec<n>(L, 2);
float result_vector = 0;
for (int i = 0; i < n; i++) {
result_vector += a[i] * b[i];
return lua::pushnumber(L, glm::dot(lua::tovec<n>(L, 1), // vector a
lua::tovec<n>(L, 2) // vector b
));
}
template<int n>
static int l_round(lua::State* L) {
if (lua::gettop(L)!= 1) {
throw std::runtime_error("invalid arguments number (1 expected)");
}
return lua::pushnumber(L, result_vector);
const auto& vec = lua::tovec<n>(L, 1);
glm::vec<n, float> rounded_vector;
for (int i = 0; i < n; i++) {
rounded_vector[i] = std::round(vec[i]);
}
return lua::setvec(L, 1, rounded_vector);
}
template<int n>
static int l_tostring(lua::State* L) {
auto vec = lua::tovec<n>(L, 1);
const auto& vec = lua::tovec<n>(L, 1);
if (lua::gettop(L) != 1) {
throw std::runtime_error("invalid arguments number (1 expected)");
}
@ -125,6 +134,7 @@ const luaL_Reg vec2lib [] = {
{"tostring", lua::wrap<l_tostring<2>>},
{"pow", lua::wrap<l_pow<2>>},
{"dot", lua::wrap<l_dot<2>>},
{"round", lua::wrap<l_round<2>>},
{NULL, NULL}
};
@ -139,6 +149,7 @@ const luaL_Reg vec3lib [] = {
{"tostring", lua::wrap<l_tostring<3>>},
{"pow", lua::wrap<l_pow<3>>},
{"dot", lua::wrap<l_dot<3>>},
{"round", lua::wrap<l_round<3>>},
{NULL, NULL}
};
@ -153,5 +164,6 @@ const luaL_Reg vec4lib [] = {
{"tostring", lua::wrap<l_tostring<4>>},
{"pow", lua::wrap<l_pow<4>>},
{"dot", lua::wrap<l_dot<4>>},
{"round", lua::wrap<l_round<4>>},
{NULL, NULL}
};