From 4da53b4f9cdbee51fe835e2baf20e6ba07c385ca Mon Sep 17 00:00:00 2001
From: Alejandro Aguilera <fenixin@lavabit.com>
Date: Thu, 24 Mar 2011 23:40:01 +0100
Subject: [PATCH] Load the 4 adjacent blocks in iterate.c

---
 src/iterate.c    | 23 +++++++++++++++++++----
 src/overviewer.h |  4 ++++
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/iterate.c b/src/iterate.c
index d9f4d52..c434de1 100644
--- a/src/iterate.c
+++ b/src/iterate.c
@@ -70,6 +70,10 @@ chunk_render(PyObject *self, PyObject *args) {
     int imgsize0, imgsize1;
     
     PyObject *blocks_py;
+    PyObject *left_blocks_py;
+    PyObject *right_blocks_py;
+    PyObject *up_left_blocks_py;
+    PyObject *up_right_blocks_py;
 
     RenderModeInterface *rendermode;
 
@@ -109,10 +113,17 @@ chunk_render(PyObject *self, PyObject *args) {
     blocks_py = PyObject_GetAttrString(state.self, "blocks");
     state.blocks = blocks_py;
 
-    /*
-    PyObject *left_blocks = PyObject_GetAttrString(chunk, "left_blocks");
-    PyObject *right_blocks = PyObject_GetAttrString(chunk, "right_blocks");
-    */
+    left_blocks_py = PyObject_GetAttrString(state.self, "left_blocks");
+    state.left_blocks = left_blocks_py;
+
+    right_blocks_py = PyObject_GetAttrString(state.self, "right_blocks");
+    state.right_blocks = right_blocks_py;
+
+    up_left_blocks_py = PyObject_GetAttrString(state.self, "up_left_blocks");
+    state.up_left_blocks = up_left_blocks_py;
+
+    up_right_blocks_py = PyObject_GetAttrString(state.self, "up_right_blocks");
+    state.up_right_blocks = up_right_blocks_py;
     
     for (state.x = 15; state.x > -1; state.x--) {
         for (state.y = 0; state.y < 16; state.y++) {
@@ -203,6 +214,10 @@ chunk_render(PyObject *self, PyObject *args) {
     free(rm_data);
     
     Py_DECREF(blocks_py);
+    Py_XDECREF(left_blocks_py);
+    Py_XDECREF(right_blocks_py);
+    Py_XDECREF(up_left_blocks_py);
+    Py_XDECREF(up_right_blocks_py);
 
     return Py_BuildValue("i",2);
 }
diff --git a/src/overviewer.h b/src/overviewer.h
index d704a83..b11ba03 100644
--- a/src/overviewer.h
+++ b/src/overviewer.h
@@ -62,6 +62,10 @@ typedef struct {
     int x, y, z;
     unsigned char block;
     PyObject *blocks;
+    PyObject *up_left_blocks;
+    PyObject *up_right_blocks;
+    PyObject *left_blocks;
+    PyObject *right_blocks;
 } RenderState;
 int init_chunk_render(void);
 int is_transparent(unsigned char b);