BGE Py API

- Added OpenGL access to the game engine as a module so you can import BGL directly.

source/blender/python/api2_2x/BGL.c

@@ -35,7 +35,6 @@
 #include "BGL.h" /*This must come first */
 
 #include "MEM_guardedalloc.h"
-#include "gen_utils.h"
 
 static int type_size( int type );
 static Buffer *make_buffer( int type, int ndimensions, int *dimensions );
@@ -121,8 +120,6 @@ static PyObject *Method_##funcname (PyObject *self, PyObject *args) {\
 
 /* #endif */
 
-PyObject *BGL_Init( void );
-
 /********/
 static int type_size(int type)
 {
@@ -185,12 +182,12 @@ static PyObject *Method_Buffer (PyObject *self, PyObject *args)
 	int i, type;
 	int *dimensions = 0, ndimensions = 0;
 	
-	if (!PyArg_ParseTuple(args, "iO|O", &type, &length_ob, &template))
-	        return EXPP_ReturnPyObjError(PyExc_AttributeError,
-	                        "expected an int and one or two PyObjects");
-
+	if (!PyArg_ParseTuple(args, "iO|O", &type, &length_ob, &template)) {
+		PyErr_SetString(PyExc_AttributeError, "expected an int and one or two PyObjects");
+		return NULL;
+	}
 	if (type!=GL_BYTE && type!=GL_SHORT && type!=GL_INT && type!=GL_FLOAT && type!=GL_DOUBLE) {
-		PyErr_SetString(PyExc_AttributeError, "type");
+		PyErr_SetString(PyExc_AttributeError, "invalid first argument type, should be one of GL_BYTE, GL_SHORT, GL_INT, GL_FLOAT or GL_DOUBLE");
 		return NULL;
 	}
 
@@ -1088,19 +1085,19 @@ static struct PyMethodDef BGL_methods[] = {
 	{NULL, NULL, 0, NULL}
 };
 
-PyObject *BGL_Init(void) 
+PyObject *BGL_Init(const char *from) 
 {
-	PyObject *mod= Py_InitModule("Blender.BGL", BGL_methods);
+	PyObject *mod= Py_InitModule(from, BGL_methods);
 	PyObject *dict= PyModule_GetDict(mod);
-	
+	PyObject *item;
 	if( PyType_Ready( &buffer_Type) < 0)
 		Py_RETURN_NONE;
 
-#define EXPP_ADDCONST(x) EXPP_dict_set_item_str(dict, #x, PyInt_FromLong((int)x))
+#define EXPP_ADDCONST(x) PyDict_SetItemString(dict, #x, item=PyInt_FromLong((int)x)); Py_DECREF(item)
 
 /* So, for example:
  * EXPP_ADDCONST(GL_CURRENT_BIT) becomes
- * EXPP_dict_set_item_str(dict, "GL_CURRENT_BIT", PyInt_FromLong(GL_CURRENT_BIT)) */
+ * PyDict_SetItemString(dict, "GL_CURRENT_BIT", item=PyInt_FromLong(GL_CURRENT_BIT)); Py_DECREF(item) */
 
 	EXPP_ADDCONST(GL_CURRENT_BIT);
 	EXPP_ADDCONST(GL_POINT_BIT);

source/blender/python/api2_2x/BGL.h

@@ -43,6 +43,7 @@
 #include <Python.h>
 #include "BIF_gl.h"
 
+PyObject *BGL_Init( const char *from );
 
 /*@ Buffer Object */
 /*@ For Python access to OpenGL functions requiring a pointer. */

source/blender/python/api2_2x/Blender.c

@@ -1074,7 +1074,7 @@ void M_Blender_Init(void)
 
 	PyDict_SetItemString(dict, "Armature", Armature_Init());
 	PyDict_SetItemString(dict, "BezTriple", BezTriple_Init());
-	PyDict_SetItemString(dict, "BGL", BGL_Init());
+	PyDict_SetItemString(dict, "BGL", BGL_Init("Blender.BGL"));
 	PyDict_SetItemString(dict, "CurNurb", CurNurb_Init());
 	PyDict_SetItemString(dict, "Constraint", Constraint_Init());
 	PyDict_SetItemString(dict, "Curve", Curve_Init());

source/blender/python/api2_2x/modules.h

@@ -52,7 +52,7 @@ BGL is a special case.  It still has data declarations in the .h file
 and cannot be #included until it is cleaned up.
 ****************************************************************************/
 
-PyObject *BGL_Init( void );
+PyObject *BGL_Init( const char *from );
 
 PyObject *Library_Init( void );
 PyObject *Noise_Init( void );

source/gameengine/BlenderRoutines/BL_KetsjiEmbedStart.cpp

@@ -368,6 +368,7 @@ extern "C" void StartKetsjiShell(struct ScrArea *area,
 			initGameKeys();
 			initPythonConstraintBinding();
 			initMathutils();
+			initBGL();
 #ifdef WITH_FFMPEG
 			initVideoTexture();
 #endif
@@ -666,6 +667,7 @@ extern "C" void StartKetsjiShellSimulation(struct ScrArea *area,
 			initGameKeys();
 			initPythonConstraintBinding();
 			initMathutils();
+			initBGL();
 #ifdef WITH_FFMPEG
 			initVideoTexture();
 #endif

source/gameengine/GamePlayer/ghost/GPG_Application.cpp

@@ -689,6 +689,7 @@ bool GPG_Application::startEngine(void)
 		initGameKeys();
 		initPythonConstraintBinding();
 		initMathutils();
+		initBGL();
 #ifdef WITH_FFMPEG
         initVideoTexture();
 #endif

source/gameengine/Ketsji/CMakeLists.txt

@@ -36,6 +36,7 @@ SET(SRC
   ../../../source/blender/python/api2_2x/quat.c
   ../../../source/blender/python/api2_2x/vector.c
   ../../../source/blender/python/api2_2x/bpy_internal_import.c
+  ../../../source/blender/python/api2_2x/BGL.c
 )
 
 SET(INC

source/gameengine/Ketsji/KX_PythonInit.cpp

@@ -78,6 +78,7 @@
 extern "C" {
 	#include "Mathutils.h" // Blender.Mathutils module copied here so the blenderlayer can use.
 	#include "bpy_internal_import.h"  /* from the blender python api, but we want to import text too! */
+	#include "BGL.h"
 }
 
 #include "marshal.h" /* python header for loading/saving dicts */
@@ -1168,7 +1169,7 @@ PyObject *KXpy_import(PyObject *self, PyObject *args)
 	/* quick hack for GamePython modules 
 		TODO: register builtin modules properly by ExtendInittab */
 	if (!strcmp(name, "GameLogic") || !strcmp(name, "GameKeys") || !strcmp(name, "PhysicsConstraints") ||
-		!strcmp(name, "Rasterizer") || !strcmp(name, "Mathutils")) {
+		!strcmp(name, "Rasterizer") || !strcmp(name, "Mathutils") || !strcmp(name, "BGL")) {
 		return PyImport_ImportModuleEx(name, globals, locals, fromlist);
 	}
 	
@@ -1357,6 +1358,8 @@ static void clearGameModules()
 	clearModule(modules, "Rasterizer");	
 	clearModule(modules, "GameKeys");	
 	clearModule(modules, "VideoTexture");	
+	clearModule(modules, "Mathutils");	
+	clearModule(modules, "BGL");	
 	PyErr_Clear(); // incase some of these were alredy removed.
 }
 
@@ -1596,6 +1599,11 @@ PyObject* initMathutils()
 	return Mathutils_Init("Mathutils"); // Use as a top level module in BGE
 }
 
+PyObject* initBGL()
+{
+	return BGL_Init("BGL"); // Use as a top level module in BGE
+}
+
 void KX_SetActiveScene(class KX_Scene* scene)
 {
 	gp_KetsjiScene = scene;

source/gameengine/Ketsji/KX_PythonInit.h

@@ -45,6 +45,7 @@ PyObject*	initGameKeys();
 PyObject*	initRasterizer(class RAS_IRasterizer* rasty,class RAS_ICanvas* canvas);
 PyObject*	initGamePlayerPythonScripting(const STR_String& progname, TPythonSecurityLevel level, struct Main *maggie);
 PyObject*	initMathutils();
+PyObject*	initBGL();
 PyObject*	initVideoTexture(void); 
 void		exitGamePlayerPythonScripting();
 PyObject*	initGamePythonScripting(const STR_String& progname, TPythonSecurityLevel level, struct Main *maggie);

source/gameengine/Ketsji/SConscript

@@ -22,6 +22,11 @@ sources.extend([\
 	'#source/blender/python/api2_2x/bpy_internal_import.c'
 ])
 
+
+sources.extend([\
+	'#source/blender/python/api2_2x/BGL.c'
+])
+
 incs = '. #source/blender/python/api2_2x' # Only for Mathutils! and bpy_internal_import.h, be very careful
 
 incs += ' #source/kernel/gen_system #intern/string #intern/guardedalloc'