lua_pathfind_cost_calculator Struct Reference

Cost function object relying on a Lua function. More...

#include <lua_pathfind_cost_calculator.hpp>

Inheritance diagram for lua_pathfind_cost_calculator:

Public Member Functions
	lua_pathfind_cost_calculator (lua_State *L_, int i)
double	cost (const map_location &loc, const double so_far) const
Public Member Functions inherited from pathfind::cost_calculator
	cost_calculator ()
virtual	~cost_calculator ()

Public Attributes
lua_State *	L
int	index

Additional Inherited Members
Static Public Member Functions inherited from pathfind::cost_calculator
static double	getNoPathValue ()

Detailed Description

Cost function object relying on a Lua function.

Note

The stack index of the Lua function must be valid each time the cost is computed.

Definition at line 11 of file lua_pathfind_cost_calculator.hpp.

Constructor & Destructor Documentation

lua_pathfind_cost_calculator::lua_pathfind_cost_calculator ( lua_State *  L_, int  i  )

inline

Parameters

i	the stack position of the lua function to calculate the cost.

Definition at line 16 of file lua_pathfind_cost_calculator.hpp.

Member Function Documentation

double lua_pathfind_cost_calculator::cost ( const map_location &  loc, const double  so_far  ) const

inlinevirtual

Implements pathfind::cost_calculator.

Definition at line 17 of file lua_pathfind_cost_calculator.hpp.

References lua_pop, lua_pushinteger(), lua_pushnumber(), lua_pushvalue(), lua_tonumber, luaW_pcall(), map_location::x, and map_location::y.

Member Data Documentation

int lua_pathfind_cost_calculator::index

Definition at line 14 of file lua_pathfind_cost_calculator.hpp.

lua_State* lua_pathfind_cost_calculator::L

Definition at line 13 of file lua_pathfind_cost_calculator.hpp.

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The documentation for this struct was generated from the following file:

• scripting/lua_pathfind_cost_calculator.hpp