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Allow passing a vector to Matrix.translation/scaling()

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LJ Sonic 2025-08-07 21:37:13 +02:00 committed by Anonimus
parent 2f69f46a0a
commit bfc55ed016
1 changed files with 21 additions and 10 deletions
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31
src/lua_matrixlib.c
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@ -33,6 +33,21 @@ static vector3_t *GetVector(lua_State *L, int index)
return vec;
}
static void GetVectorOrXYZ(lua_State *L, int index, vector3_t *result)
{
vector3_t *vec = GetVector(L, index);
if (vec)
{
*result = *vec;
}
else
{
result->x = luaL_checkfixed(L, 1);
result->y = luaL_checkfixed(L, 2);
result->z = luaL_checkfixed(L, 3);
}
}
static matrix_t *NewMatrix(lua_State *L)
{
matrix_t *mat = lua_newuserdata(L, sizeof(*mat));
@ -53,21 +68,17 @@ static int matrix_new(lua_State *L)
static int matrix_translation(lua_State *L)
{
fixed_t x = luaL_checkfixed(L, 1);
fixed_t y = luaL_checkfixed(L, 2);
fixed_t z = luaL_checkfixed(L, 3);
Matrix_SetTranslation(NewMatrix(L), x, y, z);
vector3_t translation;
GetVectorOrXYZ(L, 1, &translation);
Matrix_SetTranslation(NewMatrix(L), translation.x, translation.y, translation.z);
return 1;
}
static int matrix_scaling(lua_State *L)
{
fixed_t x = luaL_checkfixed(L, 1);
fixed_t y = luaL_checkfixed(L, 2);
fixed_t z = luaL_checkfixed(L, 3);
Matrix_SetScaling(NewMatrix(L), x, y, z);
vector3_t scaling;
GetVectorOrXYZ(L, 1, &scaling);
Matrix_SetScaling(NewMatrix(L), scaling.x, scaling.y, scaling.z);
return 1;
}