/* Copyright (c) 2013 Daniele Bartolini, Michele Rossi Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "lua_environment.h" #include "lua_stack.h" #include "vector2.h" #include "string_utils.h" namespace crown { static int vector2box_new(lua_State* L) { LuaStack stack(L); Vector2 v; if (stack.num_args() == 1) { const Vector2 tv = stack.get_vector2(1); v = tv; } else if (stack.num_args() == 2) { v.x = stack.get_float(1); v.y = stack.get_float(2); } stack.push_vector2box(v); return 1; } static int vector2box_ctor(lua_State* L) { LuaStack stack(L); stack.remove(1); // Remove table return vector2box_new(L); } static int vector2box_get_value(lua_State* L) { LuaStack stack(L); Vector2& v = stack.get_vector2box(1); const char* s = stack.get_string(2); if (string::strcmp(s, "x") == 0) { stack.push_float(v.x); return 1; } else if (string::strcmp(s, "y") == 0) { stack.push_float(v.y); return 1; } // Never happens return 0; } static int vector2box_set_value(lua_State* L) { LuaStack stack(L); Vector2& v = stack.get_vector2box(1); const char* s = stack.get_string(2); float value = stack.get_float(3); if (string::strcmp(s, "x") == 0) { v.x = value; } else if (string::strcmp(s, "y") == 0) { v.y = value; } return 0; } static int vector2box_store(lua_State* L) { LuaStack stack(L); Vector2& v = stack.get_vector2box(1); if (stack.num_args() == 2) { Vector2 tv = stack.get_vector2(2); v = tv; } else if (stack.num_args() == 3) { v.x = stack.get_float(2); v.y = stack.get_float(3); } return 0; } static int vector2box_unbox(lua_State* L) { LuaStack stack(L); Vector2& v = stack.get_vector2box(1); stack.push_vector2(v); return 1; } static int vector2box_tostring(lua_State* L) { LuaStack stack(L); Vector2& v = stack.get_vector2box(1); stack.push_fstring("Vector2Box (%p)", &v); return 1; } void load_vector2box(LuaEnvironment& env) { env.load_module_function("Vector2Box", "new", vector2box_new); env.load_module_function("Vector2Box", "store", vector2box_store); env.load_module_function("Vector2Box", "unbox", vector2box_unbox); env.load_module_function("Vector2Box", "__index", vector2box_get_value); env.load_module_function("Vector2Box", "__newindex", vector2box_set_value); env.load_module_function("Vector2Box", "__tostring", vector2box_tostring); env.load_module_constructor("Vector2Box", vector2box_ctor); } } // namespace crown