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#include "glm_bindings.h"
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* Mat3 Functions
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
int honey_glm_mat3_copy(lua_State* L)
{
honey_glm_array* self, *dest;
honey_lua_parse_arguments
(L, 1, 2,
HONEY_USERDATA, &self,
HONEY_USERDATA, &dest);
if (dest->type != MAT3)
honey_lua_throw_error
(L, "destination must be MAT3 (%d); got %d instead",
MAT3, dest->type);
glm_mat3_copy(self->data, dest->data);
return 0;
}
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
int honey_glm_mat3_eye(lua_State* L)
{
honey_glm_array* self;
honey_lua_parse_arguments
(L, 1, 1, HONEY_USERDATA, &self);
glm_mat3_identity(self->data);
return 0;
}
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
int honey_glm_mat3_zero(lua_State* L)
{
honey_glm_array* self;
honey_lua_parse_arguments
(L, 1, 1, HONEY_USERDATA, &self);
glm_mat3_zero(self->data);
return 0;
}
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
int honey_glm_mat3_mul(lua_State* L)
{
honey_glm_array* self, *mult, *dest;
int choice = honey_lua_parse_arguments
(L, 2,
2, HONEY_USERDATA, &self, HONEY_USERDATA, &mult,
3, HONEY_USERDATA, &self, HONEY_USERDATA, &mult, HONEY_USERDATA, &dest);
if (mult->type != MAT3)
honey_lua_throw_error
(L, "second matrix must be of type MAT3 (%d); got %d instead",
MAT3, mult->type);
if (choice == 1) {
if (dest->type != MAT3)
honey_lua_throw_error
(L, "destination matrix must be of type MAT3 (%d); got %d instead",
MAT3, dest->type);
}
else {
honey_glm_new_mat3(L);
dest = lua_touserdata(L, -1);
}
glm_mat3_mul(self->data, mult->data, dest->data);
if (choice == 0)
return 1;
return 0;
}
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
int honey_glm_mat3_transpose(lua_State* L)
{
honey_glm_array* self, *dest;
int choice = honey_lua_parse_arguments
(L, 2,
1, HONEY_USERDATA, &self,
2, HONEY_USERDATA, &self, HONEY_USERDATA, &dest);
if (choice == 1) {
if (dest->type != MAT3)
honey_lua_throw_error
(L, "destination matrix must be of type MAT3 (%d); got %d instead",
MAT3, dest->type);
}
if (choice == 0)
glm_mat3_transpose(self->data);
else
glm_mat3_transpose_to(self->data, dest->data);
return 0;
}
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
int honey_glm_mat3_mulv(lua_State* L)
{
honey_glm_array* self, *v, *dest;
int choice = honey_lua_parse_arguments
(L, 2,
2, HONEY_USERDATA, &self, HONEY_USERDATA, &v,
3, HONEY_USERDATA, &self, HONEY_USERDATA, &v, HONEY_USERDATA, &dest);
if (v->type != VEC3)
honey_lua_throw_error
(L, "vector must be of type VEC3 (%d); got %d instead",
VEC3, v->type);
if (choice == 0) {
honey_glm_new_vec3(L);
dest = lua_touserdata(L, -1);
}
else {
if (dest->type == MAT3)
honey_lua_throw_error
(L, "destination matrix must be of type MAT3 (%d); got %d instead",
MAT3, dest->type);
}
glm_mat3_mulv(self->data, v->data, dest->data);
if (choice == 0)
return 1;
return 0;
}
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
int honey_glm_mat3_scale(lua_State* L)
{
honey_glm_array* self;
float s;
int choice = honey_lua_parse_arguments
(L, 1,
2, HONEY_USERDATA, &self, HONEY_NUMBER, &s);
glm_mat3_scale(self->data, s);
return 0;
}
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
int honey_glm_mat3_det(lua_State* L)
{
honey_glm_array* self;
honey_lua_parse_arguments(L, 1, 1, HONEY_USERDATA, &self);
float det = glm_mat3_det(self->data);
lua_pushnumber(L, det);
return 1;
}
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
int honey_glm_mat3_inv(lua_State* L)
{
honey_glm_array* self, *dest;
int choice = honey_lua_parse_arguments
(L, 2,
1, HONEY_USERDATA, &self,
2, HONEY_USERDATA, &self, HONEY_USERDATA, &dest);
if (choice == 0) {
honey_glm_new_mat3(L);
dest = lua_touserdata(L, -1);
}
else {
if (dest->type == MAT3)
honey_lua_throw_error
(L, "destination matrix must be of type MAT3 (%d); got %d instead",
MAT3, dest->type);
}
glm_mat3_inv(self->data, dest->data);
if (choice == 0)
return 1;
return 0;
}
/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
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