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Check argument count of newChainShape

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This commit is contained in:
Bart van Strien
2014-04-26 14:35:39 +02:00
parent f30a0d72f0
commit e667485f68
1 changed files with 3 additions and 4 deletions
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src/modules/physics/box2d/Physics.cpp
+3 -4
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@@ -133,12 +133,12 @@ int Physics::newPolygonShape(lua_State *L)
int Physics::newChainShape(lua_State *L) int Physics::newChainShape(lua_State *L)
{ {
int argc = lua_gettop(L)-1; // first argument is looping int argc = lua_gettop(L)-1; // first argument is looping
if (argc % 2 != 0)
return luaL_error(L, "Number of vertex components must be a multiple of two.");
int vcount = (int)argc/2; int vcount = (int)argc/2;
b2ChainShape *s = new b2ChainShape(); b2ChainShape *s = new b2ChainShape();
bool loop = luax_toboolean(L, 1); bool loop = luax_toboolean(L, 1);
b2Vec2 *vecs = new b2Vec2[vcount]; b2Vec2 *vecs = new b2Vec2[vcount];
for (int i = 0; i<vcount; i++) for (int i = 0; i<vcount; i++)
@@ -166,7 +166,6 @@ int Physics::newChainShape(lua_State *L)
delete[] vecs; delete[] vecs;
ChainShape *c = new ChainShape(s); ChainShape *c = new ChainShape(s);
luax_pushtype(L, "ChainShape", PHYSICS_CHAIN_SHAPE_T, c); luax_pushtype(L, "ChainShape", PHYSICS_CHAIN_SHAPE_T, c);
return 1; return 1;
} }