LogalDeveloper/Minecraft-Overviewer
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Base render primitive now draws correctly (no biomes yet though)

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This commit is contained in:
Aaron Griffith
2012-02-21 02:42:42 -05:00
parent b234301521
commit a0d584bba6
3 changed files with 69 additions and 29 deletions
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83
overviewer_core/src/iterate.c
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@@ -108,11 +108,14 @@ PyObject *init_chunk_render(void) {
* If clearexception is true, clears the exception before returning NULL (for
* soft failures)
*/
PyObject *get_chunk_data(RenderState *state, ChunkNeighborName neighbor, ChunkDataType type,
unsigned char clearexception) {
PyObject *get_chunk_data(RenderState *state, ChunkNeighborName neighbor, ChunkDataType type, unsigned char clearexception) {
int x = state->chunkx;
int y = state->chunky;
int z = state->chunkz;
int i;
PyObject *chunk = NULL;
PyObject *sections = NULL;
PyObject *section = NULL;
PyObject *data = NULL;
switch (neighbor) {
@@ -142,24 +145,57 @@ PyObject *get_chunk_data(RenderState *state, ChunkNeighborName neighbor, ChunkDa
return NULL;
}
/* now we grab the correct section of the chunk */
sections = PyDict_GetItemString(chunk, "Sections");
if (sections) {
sections = PySequence_Fast(sections, "Sections tag was not a list!");
}
Py_DECREF(chunk);
if (sections == NULL) {
// exception set, again
if (clearexception) {
PyErr_Clear();
}
return NULL;
}
for (i = 0; i < PySequence_Fast_GET_SIZE(sections); i++) {
PyObject *ycoord = NULL;
section = PySequence_Fast_GET_ITEM(sections, i);
ycoord = PyDict_GetItemString(section, "Y");
if (ycoord && PyInt_AsLong(ycoord) == y) {
Py_INCREF(section);
break;
}
section = NULL;
}
Py_DECREF(sections);
if (section == NULL) {
// exception NOT set this time, but we don't set it because
// missing *sections* are normal operation
// (missing chunks, as above, are NOT.)
return NULL;
}
switch (type) {
case BLOCKS:
data = PyDict_GetItemString(chunk, "Blocks");
data = PyDict_GetItemString(section, "Blocks");
break;
case BLOCKDATA:
data = PyDict_GetItemString(chunk, "Data");
data = PyDict_GetItemString(section, "Data");
break;
case SKYLIGHT:
data = PyDict_GetItemString(chunk, "SkyLight");
data = PyDict_GetItemString(section, "SkyLight");
break;
case BLOCKLIGHT:
data = PyDict_GetItemString(chunk, "BlockLight");
data = PyDict_GetItemString(section, "BlockLight");
break;
}
/* fix the borrowed reference */
/* fix the references */
Py_INCREF(data);
Py_DECREF(chunk);
Py_DECREF(section);
return data;
}
@@ -400,7 +436,6 @@ PyObject*
chunk_render(PyObject *self, PyObject *args) {
RenderState state;
PyObject *regionset;
int chunkx, chunkz;
PyObject *modeobj;
PyObject *blockmap;
@@ -419,7 +454,7 @@ chunk_render(PyObject *self, PyObject *args) {
PyObject *t = NULL;
if (!PyArg_ParseTuple(args, "OiiOiiOO", &state.regionset, &state.chunkx, &state.chunkz, &state.img, &xoff, &yoff, &modeobj, &state.textures))
if (!PyArg_ParseTuple(args, "OiiiOiiOO", &state.regionset, &state.chunkx, &state.chunky, &state.chunkz, &state.img, &xoff, &yoff, &modeobj, &state.textures))
return NULL;
/* set up the render mode */
@@ -453,13 +488,15 @@ chunk_render(PyObject *self, PyObject *args) {
/* get the block data directly from numpy: */
blocks_py = get_chunk_data(&state, CURRENT, BLOCKS, 0);
state.blocks = blocks_py;
if (blocks_py == NULL) {
return NULL;
}
state.blockdatas = get_chunk_data(&state, CURRENT, BLOCKDATA, 1);
if (state.blockdatas == NULL) {
return NULL;
if (state.blockdatas == NULL || state.blocks == NULL) {
/* only error out completely if there's an exception set this function
will return NULL with no exception IFF the requested section was
missing. */
if (PyErr_Occurred())
return NULL;
Py_RETURN_NONE;
}
left_blocks_py = get_chunk_data(&state, DOWN_LEFT, BLOCKS, 1);
@@ -479,20 +516,20 @@ chunk_render(PyObject *self, PyObject *args) {
srand(1);
for (state.x = 15; state.x > -1; state.x--) {
for (state.y = 0; state.y < 16; state.y++) {
for (state.z = 0; state.z < 16; state.z++) {
/* set up the render coordinates */
state.imgx = xoff + state.x*12 + state.y*12;
/* 128*12 -- offset for z direction, 15*6 -- offset for x */
state.imgy = yoff - state.x*6 + state.y*6 + 128*12 + 15*6;
state.imgx = xoff + state.x*12 + state.z*12;
/* 16*12 -- offset for y direction, 15*6 -- offset for x */
state.imgy = yoff - state.x*6 + state.z*6 + 16*12 + 15*6;
for (state.z = 0; state.z < 128; state.z++) {
for (state.y = 0; state.y < 16; state.y++) {
unsigned char ancilData;
state.imgy -= 12;
/* get blockid */
state.block = getArrayByte3D(blocks_py, state.x, state.y, state.z);
state.block = getArrayShort3D(blocks_py, state.x, state.y, state.z);
if (state.block == 0 || render_mode_hidden(rendermode, state.x, state.y, state.z)) {
continue;
}
@@ -590,5 +627,5 @@ chunk_render(PyObject *self, PyObject *args) {
Py_XDECREF(up_left_blocks_py);
Py_XDECREF(up_right_blocks_py);
return Py_BuildValue("i",2);
Py_RETURN_NONE;
}