c_overviewer is now auto-initialized, and some other minor fixes

overviewer_core/src/iterate.c

@@ -29,7 +29,7 @@ static PyObject *solid_blocks = NULL;
 static PyObject *fluid_blocks = NULL;
 static PyObject *nospawn_blocks = NULL;
 
-PyObject *init_chunk_render(PyObject *self, PyObject *args) {
+PyObject *init_chunk_render(void) {
    
     PyObject *tmp = NULL;
     unsigned int i;

overviewer_core/src/main.c

@@ -30,8 +30,6 @@ static PyMethodDef COverviewerMethods[] = {
     {"alpha_over", alpha_over_wrap, METH_VARARGS,
      "alpha over composite function"},
     
-    {"init_chunk_render", init_chunk_render, METH_VARARGS,
-     "Initializes the stuffs renderer."},
     {"render_loop", chunk_render, METH_VARARGS,
      "Renders stuffs"},
     
@@ -63,6 +61,13 @@ initc_overviewer(void)
 
     /* for numpy */
     import_array();
+
+    /* initialize, and return if error is set */
+    if (!init_chunk_render()) {
+        PyErr_Print();
+        exit(1);
+        return;
+    }
     
     /* create the render mode data structures, and attatch them to the module
      * so that the Python garbage collector doesn't freak out

overviewer_core/src/overviewer.h

@@ -93,7 +93,7 @@ typedef struct {
     PyObject *left_blocks;
     PyObject *right_blocks;
 } RenderState;
-PyObject *init_chunk_render(PyObject *self, PyObject *args);
+PyObject *init_chunk_render(void);
 PyObject *chunk_render(PyObject *self, PyObject *args);
 typedef enum
 {