parsefunction.c

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#include "globals.h"
#include "parsefunction.h"
#include "SDL.h"
#include <string.h>
#include <stdio.h>

//Function Globals
char *FunctionNames[] = {"X mouse", "X", "mouse", "self", "at-point", "world" , 0};
void (*FunctionSymbols[]) = {GetXMouse, GetX, GetMousePos, GetSelf, GetAtPoint, GetWorld, 0 };

void (*ParseToFunction(const char *name))
{
        int i;

        for(i = 0; FunctionNames[i]; i++)
        {
                if(!strcmp(FunctionNames[i], name))
                {
                        return FunctionSymbols[i];
                }
        }
        return NULL;
}

void GetWorld(entity_t *self, entity_t **targ)
{
        *targ = gEntities;
        return;
}

void GetAtPoint(entity_t *self, entity_t **targ)
{
        vec2_t *temp = (vec2_t*) malloc(sizeof(vec2_t));
        GetMousePos(self, temp);
        *targ = LookForEntityAtPos(*temp);
        free(temp);
        return;
}

void GetSelf(entity_t *self, entity_t **targ)
{
        *targ = self;
        return;
}


void GetX(entity_t *self, int *button)
{
        *button = SDL_GetKeyFromName("X");
        return;
}

void GetMousePos(entity_t *self, vec2_t *pos)
{
        SDL_GetRelativeMouseState( &pos->x, &pos->y);
        return;
}

void GetXMouse(entity_t *self, int * button, vec2_t *pos)
{
        GetX(self, button);
        GetMousePos(self, pos);
}