Still not quite compiling; as predicted, a lot of interdependency and definition order bugs to untangle

src/UIBase.h

@@ -0,0 +1,32 @@
+#pragma once
+
+class UIEntity;
+typedef struct {
+    PyObject_HEAD
+    std::shared_ptr<UIEntity> data;
+} PyUIEntityObject;
+
+class UIFrame;
+typedef struct {
+    PyObject_HEAD
+    std::shared_ptr<UIFrame> data;
+} PyUIFrameObject;
+
+class UICaption;
+typedef struct {
+    PyObject_HEAD
+    std::shared_ptr<UICaption> data;
+    PyObject* font;
+} PyUICaptionObject;
+
+class UIGrid;
+typedef struct {
+    PyObject_HEAD
+    std::shared_ptr<UIGrid> data;
+} PyUIGridObject;
+
+class UISprite;
+typedef struct {
+    PyObject_HEAD
+    std::shared_ptr<UISprite> data;
+} PyUISpriteObject;

src/UICaption.cpp

@@ -1,4 +1,5 @@
 #include "UICaption.h"
+#include "GameEngine.h"
 
 UIDrawable* UICaption::click_at(sf::Vector2f point)
 {

src/UICaption.h

@@ -12,6 +12,7 @@
 #include "PyVector.h"
 #include "PyFont.h"
 #include "UIDrawable.h"
+#include "UIBase.h"
 
 class UICaption: public UIDrawable
 {
@@ -22,11 +23,12 @@ public:
     virtual UIDrawable* click_at(sf::Vector2f point) override final;
 };
 
-typedef struct {
+//class UICaption;
-    PyObject_HEAD
+//typedef struct {
-    std::shared_ptr<UICaption> data;
+//    PyObject_HEAD
-    PyObject* font;
+//    std::shared_ptr<UICaption> data;
-} PyUICaptionObject;
+//    PyObject* font;
+//} PyUICaptionObject;
 
 namespace mcrfpydef {
     //TODO: add this method to class scope; move implementation to .cpp file
@@ -205,7 +207,7 @@ namespace mcrfpydef {
         //{"children", (getter)PyUIFrame_get_children, NULL, "UICollection of objects on top of this one", NULL},
         {"text", (getter)PyUICaption_get_text, (setter)PyUICaption_set_text, "The text displayed", NULL},
         {"size", (getter)PyUICaption_get_float_member, (setter)PyUICaption_set_float_member, "Text size (integer) in points", (void*)5},
-        {"click", (getter)PyUIDrawable_get_click, (setter)PyUIDrawable_set_click, "Object called with (x, y, button) when clicked", (void*)PyObjectsEnum::UICAPTION},
+        {"click", (getter)UIDrawable::get_click, (setter)UIDrawable::set_click, "Object called with (x, y, button) when clicked", (void*)PyObjectsEnum::UICAPTION},
         {NULL}
     };
 

src/UIDrawable.cpp

@@ -1,4 +1,8 @@
 #include "UIDrawable.h"
+#include "UIFrame.h"
+#include "UICaption.h"
+#include "UISprite.h"
+#include "UIGrid.h"
 
 UIDrawable::UIDrawable() { click_callable = NULL;  }
 
@@ -11,3 +15,64 @@ void UIDrawable::render()
 {
     render(sf::Vector2f());
 }
+
+PyObject* UIDrawable::get_click(PyObject* self, void* closure) {
+    PyObjectsEnum objtype = static_cast<PyObjectsEnum>(reinterpret_cast<long>(closure)); // trust me bro, it's an Enum
+    PyObject* ptr;
+
+    switch (objtype)
+    {
+        case PyObjectsEnum::UIFRAME:
+            ptr = ((PyUIFrameObject*)self)->data->click_callable->borrow();
+            break;
+        case PyObjectsEnum::UICAPTION:
+            ptr = ((PyUICaptionObject*)self)->data->click_callable->borrow();
+            break;
+        case PyObjectsEnum::UISPRITE:
+            ptr = ((PyUISpriteObject*)self)->data->click_callable->borrow();
+            break;
+        case PyObjectsEnum::UIGRID:
+            ptr = ((PyUIGridObject*)self)->data->click_callable->borrow();
+            break;
+        default:
+            PyErr_SetString(PyExc_TypeError, "no idea how you did that; invalid UIDrawable derived instance for _get_click");
+            return NULL;
+    }
+    if (ptr && ptr != Py_None)
+        return ptr;
+    else
+        return Py_None;
+}
+
+int UIDrawable::set_click(PyObject* self, PyObject* value, void* closure) {
+    PyObjectsEnum objtype = static_cast<PyObjectsEnum>(reinterpret_cast<long>(closure)); // trust me bro, it's an Enum
+    UIDrawable* target;
+    switch (objtype)
+    {
+        case PyObjectsEnum::UIFRAME:
+            target = (((PyUIFrameObject*)self)->data.get());
+            break;
+        case PyObjectsEnum::UICAPTION:
+            target = (((PyUICaptionObject*)self)->data.get());
+            break;
+        case PyObjectsEnum::UISPRITE:
+            target = (((PyUISpriteObject*)self)->data.get());
+            break;
+        case PyObjectsEnum::UIGRID:
+            target = (((PyUIGridObject*)self)->data.get());
+            break;
+        default:
+            PyErr_SetString(PyExc_TypeError, "no idea how you did that; invalid UIDrawable derived instance for _set_click");
+            return -1;
+    }
+
+    if (value == Py_None)
+    {
+        target->click_unregister();
+    } else {
+        target->click_register(value);
+    }
+    return 0;
+}
+
+

src/UIDrawable.h

@@ -12,6 +12,8 @@
 #include "PyVector.h"
 #include "PyFont.h"
 
+#include "Resources.h"
+
 class UIFrame; class UICaption; class UISprite; class UIEntity; class UIGrid;
 
 enum PyObjectsEnum : int
@@ -36,6 +38,9 @@ public:
     void click_unregister();
 
     UIDrawable();
+
+    static PyObject* get_click(PyObject* self, void* closure);
+    static int set_click(PyObject* self, PyObject* value, void* closure);
 };
 
 typedef struct {
@@ -99,7 +104,8 @@ switch (target->derived_type())                         \
 // end macro definition
 
 //TODO: add this method to class scope; move implementation to .cpp file
-static PyObject* PyUIDrawable_get_click(PyUIGridObject* self, void* closure) {
+/*
+static PyObject* PyUIDrawable_get_click(PyObject* self, void* closure) {
     PyObjectsEnum objtype = static_cast<PyObjectsEnum>(reinterpret_cast<long>(closure)); // trust me bro, it's an Enum
     PyObject* ptr;
 
@@ -125,10 +131,11 @@ static PyObject* PyUIDrawable_get_click(PyUIGridObject* self, void* closure) {
         return ptr;
     else
         return Py_None;
-}
+}*/
 
 //TODO: add this method to class scope; move implementation to .cpp file
-static int PyUIDrawable_set_click(PyUIGridObject* self, PyObject* value, void* closure) {
+/*
+static int PyUIDrawable_set_click(PyObject* self, PyObject* value, void* closure) {
     PyObjectsEnum objtype = static_cast<PyObjectsEnum>(reinterpret_cast<long>(closure)); // trust me bro, it's an Enum
     UIDrawable* target;
     switch (objtype)
@@ -158,5 +165,5 @@ static int PyUIDrawable_set_click(PyUIGridObject* self, PyObject* value, void* c
 	}
     return 0;
 }
-
+*/
 }

src/UIEntity.cpp

@@ -7,3 +7,75 @@ UIEntity::UIEntity(UIGrid& grid)
 {
 }
 
+PyObject* UIEntity::at(PyUIEntityObject* self, PyObject* o) {
+    int x, y;
+    if (!PyArg_ParseTuple(o, "ii", &x, &y)) {
+        PyErr_SetString(PyExc_TypeError, "UIEntity.at requires two integer arguments: (x, y)");
+        return NULL;
+    }
+    
+    if (self->data->grid == NULL) {
+        PyErr_SetString(PyExc_ValueError, "Entity cannot access surroundings because it is not associated with a grid");
+        return NULL;
+    }
+    
+    PyUIGridPointStateObject* obj = (PyUIGridPointStateObject*)((&PyUIGridPointStateType)->tp_alloc(&PyUIGridPointStateType, 0));
+    //auto target = std::static_pointer_cast<UIEntity>(target);
+    obj->data = &(self->data->gridstate[y + self->data->grid->grid_x * x]);
+    obj->grid = self->data->grid;
+    obj->entity = self->data;
+    return (PyObject*)obj;
+
+}
+
+int PyUIEntity::init(PyUIEntityObject* self, PyObject* args, PyObject* kwds) {
+    static const char* keywords[] = { "x", "y", "texture", "sprite_index", "grid", nullptr };
+    float x = 0.0f, y = 0.0f, scale = 1.0f;
+    int sprite_index = -1;
+    PyObject* texture = NULL;
+    PyObject* grid = NULL;
+
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "ffOi|O",
+        const_cast<char**>(keywords), &x, &y, &texture, &sprite_index, &grid))
+    {
+        return -1;
+    }
+
+    // check types for texture
+    //
+    // Set Texture
+    //
+    if (texture != NULL && !PyObject_IsInstance(texture, (PyObject*)&mcrfpydef::PyTextureType)){
+        PyErr_SetString(PyExc_TypeError, "texture must be a mcrfpy.Texture instance");
+        return -1;
+    } /*else if (texture != NULL) // this section needs to go; texture isn't optional and isn't managed by the UI objects anymore
+    {
+        self->texture = texture;
+        Py_INCREF(texture);
+    } else
+    {
+        // default tex?
+    }*/
+
+    if (grid != NULL && !PyObject_IsInstance(grid, (PyObject*)&PyUIGridType)) {
+        PyErr_SetString(PyExc_TypeError, "grid must be a mcrfpy.Grid instance");
+        return -1;
+    }
+
+    auto pytexture = (PyTextureObject*)texture;
+    if (grid == NULL)
+        self->data = std::make_shared<UIEntity>();
+    else
+        self->data = std::make_shared<UIEntity>(*((PyUIGridObject*)grid)->data);
+
+    // TODO - PyTextureObjects and IndexTextures are a little bit of a mess with shared/unshared pointers
+    self->data->sprite = UISprite(pytexture->data, sprite_index, sf::Vector2f(0,0), 1.0);
+    self->data->position = sf::Vector2f(x, y);
+    if (grid != NULL) {
+        PyUIGridObject* pygrid = (PyUIGridObject*)grid;
+        self->data->grid = pygrid->data;
+        // todone - on creation of Entity with Grid assignment, also append it to the entity list
+        pygrid->data->entities->push_back(self->data);
+    }
+    return 0;
+}

src/UIEntity.h

@@ -14,9 +14,15 @@
 
 #include "UIGridPoint.h"
 #include "UIDrawable.h"
-
+#include "UIBase.h"
 class UIGrid;
 
+//class UIEntity;
+//typedef struct {
+//    PyObject_HEAD
+//    std::shared_ptr<UIEntity> data;
+//} PyUIEntityObject;
+
 // TODO: make UIEntity a drawable
 class UIEntity//: public UIDrawable
 {
@@ -31,14 +37,10 @@ public:
     UIEntity();
     UIEntity(UIGrid&);
     
+    static PyObject* at(PyUIEntityObject* self, PyObject* o);
+    static int init(PyUIEntityObject* self, PyObject* args, PyObject* kwds);
 };
 
-typedef struct {
-    PyObject_HEAD
-    std::shared_ptr<UIEntity> data;
-    //PyObject* texture;
-} PyUIEntityObject;
-
 namespace mcrfpydef {
 //TODO: add this method to class scope; move implementation to .cpp file; reconsider for moving to "UIBase.h/.cpp"
 // TODO: sf::Vector2f convenience functions here might benefit from a PyVectorObject much like PyColorObject
@@ -124,6 +126,7 @@ static int PyUIEntity_set_spritenumber(PyUIEntityObject* self, PyObject* value,
 }
 
 //TODO: add this method to class scope; move implementation to .cpp file
+/*
 static PyObject* PyUIEntity_at(PyUIEntityObject* self, PyObject* o)
 {
     int x, y;
@@ -144,10 +147,11 @@ static PyObject* PyUIEntity_at(PyUIEntityObject* self, PyObject* o)
     obj->entity = self->data;
     return (PyObject*)obj;
 }
+*/
 
 //TODO: add this static array to class scope; move implementation to .cpp file
 static PyMethodDef PyUIEntity_methods[] = {
-    {"at", (PyCFunction)PyUIEntity_at, METH_O},
+    {"at", (PyCFunction)UIEntity::at, METH_O},
     {NULL, NULL, 0, NULL}
 };
 
@@ -161,7 +165,7 @@ static PyGetSetDef PyUIEntity_getsetters[] = {
 };
 
 //TODO: add this method to class scope; forward declaration not required after .h/.cpp split
-static int PyUIEntity_init(PyUIEntityObject*, PyObject*, PyObject*); // forward declare
+//static int PyUIEntity_init(PyUIEntityObject*, PyObject*, PyObject*); // forward declare
 
 
 // Define the PyTypeObject for UIEntity
@@ -175,7 +179,7 @@ static PyTypeObject PyUIEntityType = {
     .tp_doc = "UIEntity objects",
     .tp_methods = PyUIEntity_methods,
     .tp_getset = PyUIEntity_getsetters,
-    .tp_init = (initproc)PyUIEntity_init,
+    .tp_init = (initproc)UIEntity::init,
     .tp_new = PyType_GenericNew,
 };
 }

src/UIFrame.cpp

@@ -54,6 +54,16 @@ void UIFrame::render(sf::Vector2f offset)
     }
 }
 
+PyObject* PyUIFrame::get_children(PyUIFrameObject* self, void* closure)
+{
+    // create PyUICollection instance pointing to self->data->children
+    PyUICollectionObject* o = (PyUICollectionObject*)PyUICollectionType.tp_alloc(&PyUICollectionType, 0);
+    if (o)
+        o->data = self->data->children;
+    return (PyObject*)o;
+}
+
+
 namespace mcrfpydef {
 
     // TODO: move to class scope; but this should at least get us compiling

src/UIFrame.h

@@ -10,6 +10,14 @@
 #include "PyColor.h"
 #include "PyVector.h"
 #include "UIDrawable.h"
+#include "UIBase.h"
+
+//class UIFrame;
+//
+//typedef struct {
+//    PyObject_HEAD
+//    std::shared_ptr<UIFrame> data;
+//} PyUIFrameObject;
 
 class UIFrame: public UIDrawable
 {
@@ -24,12 +32,9 @@ public:
     void move(sf::Vector2f);
     PyObjectsEnum derived_type() override final;
     virtual UIDrawable* click_at(sf::Vector2f point) override final;
-};
 
-typedef struct {
+    static PyObject* get_children(PyUIFrameObject* self, void* closure);
-    PyObject_HEAD
+};
-    std::shared_ptr<UIFrame> data;
-} PyUIFrameObject;
 
 namespace mcrfpydef {
     //TODO: add this method to class scope; move implementation to .cpp file
@@ -173,7 +178,7 @@ namespace mcrfpydef {
     }
 
     //TODO: add this method to class scope; move implementation to .cpp file
-    static PyObject* PyUIFrame_get_children(PyUIFrameObject*, void*); // forward declaration until UICollection is defined
+    //static PyObject* PyUIFrame_get_children(PyUIFrameObject*, void*); // forward declaration until UICollection is defined
     // implementation after the PyUICollectionType definition
 
     //TODO: add this static array to class scope; move implementation to .cpp file
@@ -185,8 +190,8 @@ namespace mcrfpydef {
         {"outline", (getter)PyUIFrame_get_float_member, (setter)PyUIFrame_set_float_member, "Thickness of the border",   (void*)4},
         {"fill_color", (getter)PyUIFrame_get_color_member, (setter)PyUIFrame_set_color_member, "Fill color of the rectangle", (void*)0},
         {"outline_color", (getter)PyUIFrame_get_color_member, (setter)PyUIFrame_set_color_member, "Outline color of the rectangle", (void*)1},
-        {"children", (getter)PyUIFrame_get_children, NULL, "UICollection of objects on top of this one", NULL},
+        {"children", (getter)UIFrame::get_children, NULL, "UICollection of objects on top of this one", NULL},
-        {"click", (getter)PyUIDrawable_get_click, (setter)PyUIDrawable_set_click, "Object called with (x, y, button) when clicked", (void*)PyObjectsEnum::UIFRAME},
+        {"click", (getter)UIDrawable::get_click, (setter)UIDrawable::set_click, "Object called with (x, y, button) when clicked", (void*)PyObjectsEnum::UIFRAME},
         {NULL}
     };
     

src/UIGrid.h

@@ -15,6 +15,7 @@
 #include "UIGridPoint.h"
 #include "UIEntity.h"
 #include "UIDrawable.h"
+#include "UIBase.h"
 
 class UIGrid: public UIDrawable
 {
@@ -43,11 +44,11 @@ public:
     std::shared_ptr<std::list<std::shared_ptr<UIEntity>>> entities;
 };
 
-typedef struct {
+//typedef struct {
-    PyObject_HEAD
+//    PyObject_HEAD
-    std::shared_ptr<UIGrid> data;
+//    std::shared_ptr<UIGrid> data;
-    //PyObject* texture;
+//    //PyObject* texture;
-} PyUIGridObject;
+//} PyUIGridObject;
 
 namespace mcrfpydef {
 //TODO: add this method to class scope; move implementation to .cpp file
@@ -257,7 +258,7 @@ static PyGetSetDef PyUIGrid_getsetters[] = {
     {"center_y", (getter)PyUIGrid_get_float_member, (setter)PyUIGrid_set_float_member, "center of the view Y-coordinate", (void*)5},
     {"zoom", (getter)PyUIGrid_get_float_member, (setter)PyUIGrid_set_float_member, "zoom factor for displaying the Grid", (void*)6},
 
-    {"click", (getter)PyUIDrawable_get_click, (setter)PyUIDrawable_set_click, "Object called with (x, y, button) when clicked", (void*)PyObjectsEnum::UIGRID},
+    {"click", (getter)UIDrawable::get_click, (setter)UIDrawable::set_click, "Object called with (x, y, button) when clicked", (void*)PyObjectsEnum::UIGRID},
 
     {"texture", (getter)PyUIGrid_get_texture, NULL, "Texture of the grid", NULL}, //TODO 7DRL-day2-item5
     {NULL}  /* Sentinel */

src/UIGridPoint.h

@@ -29,6 +29,8 @@ public:
     bool visible, discovered;
 };
 
+class UIGrid;
+
 typedef struct {
     PyObject_HEAD
     UIGridPoint* data;

src/UISprite.h

@@ -42,10 +42,10 @@ public:
     PyObjectsEnum derived_type() override final;
 };
 
-typedef struct {
+//typedef struct {
-    PyObject_HEAD
+//    PyObject_HEAD
-    std::shared_ptr<UISprite> data;
+//    std::shared_ptr<UISprite> data;
-} PyUISpriteObject;
+//} PyUISpriteObject;
 
 namespace mcrfpydef {
     //TODO: add this method to class scope; move implementation to .cpp file
@@ -143,7 +143,7 @@ namespace mcrfpydef {
         {"scale", (getter)PyUISprite_get_float_member, (setter)PyUISprite_set_float_member, "Size factor",                   (void*)2},
         {"sprite_number", (getter)PyUISprite_get_int_member, (setter)PyUISprite_set_int_member, "Which sprite on the texture is shown", NULL},
         {"texture", (getter)PyUISprite_get_texture, (setter)PyUISprite_set_texture,     "Texture object",                    NULL},
-        {"click", (getter)PyUIDrawable_get_click, (setter)PyUIDrawable_set_click, "Object called with (x, y, button) when clicked", (void*)PyObjectsEnum::UISPRITE},
+        {"click", (getter)UIDrawable::get_click, (setter)UIDrawable::set_click, "Object called with (x, y, button) when clicked", (void*)PyObjectsEnum::UISPRITE},
         {NULL}
     };