added preliminary texture api

Author: Roberto De Ioris

Source/UnrealEnginePython/Private/UEPyAudio.cpp

@@ -1,7 +1,6 @@
 #include "UnrealEnginePythonPrivatePCH.h"
 
 
-
 PyObject *py_ue_play_sound_at_location(ue_PyUObject *self, PyObject * args) {
 
 	ue_py_check(self);

Source/UnrealEnginePython/Private/UEPyModule.cpp

@@ -23,6 +23,7 @@
 #include "UEPySlate.h"
 #include "UEPyPackage.h"
 #include "UEPyAssetUserData.h"
+#include "UEPyTexture.h"
 #if WITH_EDITOR
 #include "UEPyEditor.h"
 #endif
@@ -424,6 +425,10 @@ static PyMethodDef ue_PyUObject_methods[] = {
 	// Timer
 	{ "set_timer", (PyCFunction)py_ue_set_timer, METH_VARARGS, "" },
 
+	// Texture
+	{ "texture_get_data", (PyCFunction)py_ue_texture_get_data, METH_VARARGS, "" },
+	{ "texture_set_data", (PyCFunction)py_ue_texture_set_data, METH_VARARGS, "" },
+
 	// Sequencer
 	{ "sequencer_master_tracks", (PyCFunction)py_ue_sequencer_master_tracks, METH_VARARGS, "" },
 	{ "sequencer_possessable_tracks", (PyCFunction)py_ue_sequencer_possessable_tracks, METH_VARARGS, "" },

Source/UnrealEnginePython/Private/UEPyTexture.cpp

@@ -0,0 +1,62 @@
+#include "UnrealEnginePythonPrivatePCH.h"
+
+
+PyObject *py_ue_texture_get_data(ue_PyUObject *self, PyObject * args) {
+
+	ue_py_check(self);
+
+	int mipmap = 0;
+
+	if (!PyArg_ParseTuple(args, "|i:texture_get_data", &mipmap)) {
+		return NULL;
+	}
+
+	if (!self->ue_object->IsA<UTexture2D>())
+		return PyErr_Format(PyExc_Exception, "object is not a Texture2D");
+
+	UTexture2D *tex = (UTexture2D *)self->ue_object;
+
+	if (mipmap >= tex->GetNumMips())
+		return PyErr_Format(PyExc_Exception, "invalid mipmap id");
+
+	const char *blob = (const char*)tex->PlatformData->Mips[mipmap].BulkData.Lock(LOCK_READ_ONLY);
+	PyObject *bytes = PyByteArray_FromStringAndSize(blob, (Py_ssize_t)tex->PlatformData->Mips[mipmap].BulkData.GetBulkDataSize());
+	tex->PlatformData->Mips[mipmap].BulkData.Unlock();
+	return bytes;
+}
+
+PyObject *py_ue_texture_set_data(ue_PyUObject *self, PyObject * args) {
+
+	ue_py_check(self);
+
+	PyObject *byte_array;
+	int mipmap = 0;
+
+	if (!PyArg_ParseTuple(args, "O|i:texture_get_data", &byte_array, &mipmap)) {
+		return NULL;
+	}
+
+	if (!self->ue_object->IsA<UTexture2D>())
+		return PyErr_Format(PyExc_Exception, "object is not a Texture2D");
+
+	UTexture2D *tex = (UTexture2D *)self->ue_object;
+
+	if (!PyByteArray_Check(byte_array))
+		return PyErr_Format(PyExc_Exception, "argument is not a bytearray");
+
+	if (mipmap >= tex->GetNumMips())
+		return PyErr_Format(PyExc_Exception, "invalid mipmap id");
+
+	char *blob = (char*)tex->PlatformData->Mips[mipmap].BulkData.Lock(LOCK_READ_WRITE);
+	int32 len = tex->PlatformData->Mips[mipmap].BulkData.GetBulkDataSize();
+	Py_ssize_t byte_array_size = PyByteArray_Size(byte_array);
+	// avoid making mess
+	if (byte_array_size > len)
+		byte_array_size = len;
+	char *byte_array_blob = PyByteArray_AsString(byte_array);
+	FMemory::Memcpy(blob, byte_array_blob, byte_array_size);
+	tex->PlatformData->Mips[mipmap].BulkData.Unlock();
+	Py_INCREF(Py_None);
+	return Py_None;
+}
+

Source/UnrealEnginePython/Private/UEPyTexture.h

@@ -0,0 +1,8 @@
+#pragma once
+
+
+
+#include "UnrealEnginePython.h"
+
+PyObject *py_ue_texture_get_data(ue_PyUObject *, PyObject *);
+PyObject *py_ue_texture_set_data(ue_PyUObject *, PyObject *);