diff options
Diffstat (limited to 'src/glm_bindings.c')
| -rw-r--r-- | src/glm_bindings.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/glm_bindings.c b/src/glm_bindings.c index 173e2eb..6893534 100644 --- a/src/glm_bindings.c +++ b/src/glm_bindings.c @@ -5,6 +5,33 @@ int honey_glm_vec4_mt_ref = LUA_NOREF; int honey_glm_mat3_mt_ref = LUA_NOREF; int honey_glm_mat4_mt_ref = LUA_NOREF; +int honey_glm_UNIT_X_ref = LUA_NOREF; +int honey_glm_UNIT_Y_ref = LUA_NOREF; +int honey_glm_UNIT_Z_ref = LUA_NOREF; + +static void create_vec3(lua_State* L, + int x, int y, int z, + int* ref) +{ + lua_createtable(L, 3, 0); + + lua_pushnumber(L, x); + lua_rawseti(L, -2, 1); + + lua_pushnumber(L, y); + lua_rawseti(L, -2, 2); + + lua_pushnumber(L, z); + lua_rawseti(L, -2, 3); + + lua_pushcfunction(L, honey_glm_new_vec3); + lua_pushvalue(L, -2); + honey_lua_pcall(L, 1, 1); + + *ref = luaL_ref(L, LUA_REGISTRYINDEX); + lua_pop(L, 1); +} + void honey_setup_glm(lua_State* L) { /* vec3 metatable */ @@ -127,6 +154,10 @@ void honey_setup_glm(lua_State* L) HONEY_FUNCTION, "__gc", honey_glm_array_destroy); honey_glm_mat4_mt_ref = luaL_ref(L, LUA_REGISTRYINDEX); + + create_vec3(L, 1, 0, 0, &honey_glm_UNIT_X_ref); + create_vec3(L, 0, 1, 0, &honey_glm_UNIT_Y_ref); + create_vec3(L, 0, 0, 1, &honey_glm_UNIT_Z_ref); /* glm table */ honey_lua_create_table @@ -135,6 +166,16 @@ void honey_setup_glm(lua_State* L) HONEY_FUNCTION, "vec4", honey_glm_new_vec4, HONEY_FUNCTION, "mat3", honey_glm_new_mat3, HONEY_FUNCTION, "mat4", honey_glm_new_mat4); + + lua_rawgeti(L, LUA_REGISTRYINDEX, honey_glm_UNIT_X_ref); + lua_setfield(L, -2, "UNIT_X"); + + lua_rawgeti(L, LUA_REGISTRYINDEX, honey_glm_UNIT_Y_ref); + lua_setfield(L, -2, "UNIT_Y"); + + lua_rawgeti(L, LUA_REGISTRYINDEX, honey_glm_UNIT_Z_ref); + lua_setfield(L, -2, "UNIT_Z"); + lua_setfield(L, -2, "glm"); } |