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#include <lua.h>
#include <honeysuckle.h>
#include <cglm/cglm.h>
#include "util/util.h"
#include "glm.h"
int mat4_create(lua_State *L);
int mat4_set(lua_State *L);
int mat4_get(lua_State *L);
int mat4_identity(lua_State *L);
void setup_mat4(lua_State *L, int glm_tbl)
{
int tbl = hs_create_table(L,
hs_str_cfunc("mat4", mat4_create),
hs_str_cfunc("mat4_set", mat4_set),
hs_str_cfunc("mat4_get", mat4_get),
hs_str_cfunc("mat4_identity", mat4_identity),
);
append_table(L, glm_tbl, tbl);
lua_pop(L, 1);
}
int mat4_create(lua_State *L)
{
lua_newuserdata(L, 16*sizeof(float));
return 1;
}
int mat4_set(lua_State *L)
{
void *ptr;
lua_Integer index;
lua_Number value;
hs_parse_args(L, hs_user(ptr), hs_int(index), hs_num(value));
array_set(L, 16, ptr, index, value);
return 0;
}
int mat4_get(lua_State *L)
{
void *ptr;
lua_Integer index;
hs_parse_args(L, hs_user(ptr), hs_int(index));
array_get(L, 16, ptr, index);
return 1;
}
int mat4_identity(lua_State *L)
{
void *ptr;
hs_parse_args(L, hs_user(ptr));
mat4 *m = ptr;
glm_mat4_identity(*m);
return 0;
}
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