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-rwxr-xr-xengines/sword25/math/vertex.cpp76
1 files changed, 76 insertions, 0 deletions
diff --git a/engines/sword25/math/vertex.cpp b/engines/sword25/math/vertex.cpp
new file mode 100755
index 0000000000..ddf13e3d9d
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+++ b/engines/sword25/math/vertex.cpp
@@ -0,0 +1,76 @@
+// -----------------------------------------------------------------------------
+// This file is part of Broken Sword 2.5
+// Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdörfer
+//
+// Broken Sword 2.5 is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// Broken Sword 2.5 is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Broken Sword 2.5; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+// -----------------------------------------------------------------------------
+
+#include "vertex.h"
+
+extern "C"
+{
+ #include <lua.h>
+ #include <lauxlib.h>
+}
+
+// -----------------------------------------------------------------------------
+
+BS_Vertex & BS_Vertex::LuaVertexToVertex(lua_State * L, int StackIndex, BS_Vertex & Vertex)
+{
+#ifdef DEBUG
+ int __startStackDepth = lua_gettop(L);
+#endif
+
+ // Sicherstellen, dass wir wirklich eine Tabelle betrachten
+ luaL_checktype(L, StackIndex, LUA_TTABLE);
+
+ // X Komponente auslesen
+ lua_pushstring(L, "X");
+ lua_gettable(L, StackIndex);
+ if (!lua_isnumber(L, -1)) luaL_argcheck(L, 0, StackIndex, "the X component has to be a number");
+ Vertex.X = static_cast<int>(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+
+ // Y Komponente auslesen
+ lua_pushstring(L, "Y");
+ lua_gettable(L, StackIndex);
+ if (!lua_isnumber(L, -1)) luaL_argcheck(L, 0, StackIndex, "the Y component has to be a number");
+ Vertex.Y = static_cast<int>(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+
+#ifdef DEBUG
+ BS_ASSERT(__startStackDepth == lua_gettop(L));
+#endif
+
+ return Vertex;
+}
+
+// -----------------------------------------------------------------------------
+
+void BS_Vertex::VertexToLuaVertex(lua_State * L, const BS_Vertex & Vertex)
+{
+ // Neue Tabelle erstellen
+ lua_newtable(L);
+
+ // X-Wert in die Tabelle schreiben
+ lua_pushstring(L, "X");
+ lua_pushnumber(L, Vertex.X);
+ lua_settable(L, -3);
+
+ // Y-Wert in die Tabelle schreiben
+ lua_pushstring(L, "Y");
+ lua_pushnumber(L, Vertex.Y);
+ lua_settable(L, -3);
+}