McRogueFace/src/UIGridPoint.cpp

333 lines
12 KiB
C++

#include "UIGridPoint.h"
#include "UIGrid.h"
#include "UIEntity.h" // #114 - for GridPoint.entities
#include "GridLayers.h" // #150 - for GridLayerType, ColorLayer, TileLayer
#include "McRFPy_Doc.h" // #177 - for MCRF_PROPERTY macro
#include <cstring> // #150 - for strcmp
UIGridPoint::UIGridPoint()
: walkable(false), transparent(false), grid_x(-1), grid_y(-1), parent_grid(nullptr)
{}
// Utility function to convert sf::Color to PyObject*
PyObject* sfColor_to_PyObject(sf::Color color) {
// For now, keep returning tuples to avoid breaking existing code
return Py_BuildValue("(iiii)", color.r, color.g, color.b, color.a);
}
// Utility function to convert PyObject* to sf::Color
sf::Color PyObject_to_sfColor(PyObject* obj) {
// Get the mcrfpy module and Color type
PyObject* module = PyImport_ImportModule("mcrfpy");
if (!module) {
PyErr_SetString(PyExc_RuntimeError, "Failed to import mcrfpy module");
return sf::Color();
}
PyObject* color_type = PyObject_GetAttrString(module, "Color");
Py_DECREF(module);
if (!color_type) {
PyErr_SetString(PyExc_RuntimeError, "Failed to get Color type from mcrfpy module");
return sf::Color();
}
// Check if it's a mcrfpy.Color object
int is_color = PyObject_IsInstance(obj, color_type);
Py_DECREF(color_type);
if (is_color == 1) {
PyColorObject* color_obj = (PyColorObject*)obj;
return color_obj->data;
} else if (is_color == -1) {
// Error occurred in PyObject_IsInstance
return sf::Color();
}
// Otherwise try to parse as tuple
int r, g, b, a = 255; // Default alpha to fully opaque if not specified
if (!PyArg_ParseTuple(obj, "iii|i", &r, &g, &b, &a)) {
PyErr_Clear(); // Clear the error from failed tuple parsing
PyErr_SetString(PyExc_TypeError, "color must be a Color object or a tuple of (r, g, b[, a])");
return sf::Color(); // Return default color on parse error
}
return sf::Color(r, g, b, a);
}
// #150 - Removed get_color/set_color - now handled by layers
PyObject* UIGridPoint::get_bool_member(PyUIGridPointObject* self, void* closure) {
if (reinterpret_cast<intptr_t>(closure) == 0) { // walkable
return PyBool_FromLong(self->data->walkable);
} else { // transparent
return PyBool_FromLong(self->data->transparent);
}
}
int UIGridPoint::set_bool_member(PyUIGridPointObject* self, PyObject* value, void* closure) {
if (value == Py_True) {
if (reinterpret_cast<intptr_t>(closure) == 0) { // walkable
self->data->walkable = true;
} else { // transparent
self->data->transparent = true;
}
} else if (value == Py_False) {
if (reinterpret_cast<intptr_t>(closure) == 0) { // walkable
self->data->walkable = false;
} else { // transparent
self->data->transparent = false;
}
} else {
PyErr_SetString(PyExc_ValueError, "Expected a boolean value");
return -1;
}
// Sync with TCOD map if parent grid exists
if (self->data->parent_grid && self->data->grid_x >= 0 && self->data->grid_y >= 0) {
self->data->parent_grid->syncTCODMapCell(self->data->grid_x, self->data->grid_y);
}
return 0;
}
// #150 - Removed get_int_member/set_int_member - now handled by layers
// #114 - Get list of entities at this grid cell
PyObject* UIGridPoint::get_entities(PyUIGridPointObject* self, void* closure) {
if (!self->grid) {
PyErr_SetString(PyExc_RuntimeError, "GridPoint has no parent grid");
return NULL;
}
int target_x = self->data->grid_x;
int target_y = self->data->grid_y;
PyObject* list = PyList_New(0);
if (!list) return NULL;
// Iterate through grid's entities and find those at this position
for (auto& entity : *(self->grid->entities)) {
if (static_cast<int>(entity->position.x) == target_x &&
static_cast<int>(entity->position.y) == target_y) {
// Create Python Entity object for this entity
auto type = (PyTypeObject*)PyObject_GetAttrString(McRFPy_API::mcrf_module, "Entity");
if (!type) {
Py_DECREF(list);
return NULL;
}
auto obj = (PyUIEntityObject*)type->tp_alloc(type, 0);
Py_DECREF(type);
if (!obj) {
Py_DECREF(list);
return NULL;
}
obj->data = entity;
if (PyList_Append(list, (PyObject*)obj) < 0) {
Py_DECREF(obj);
Py_DECREF(list);
return NULL;
}
Py_DECREF(obj); // List now owns the reference
}
}
return list;
}
// #177 - Get grid position as tuple
PyObject* UIGridPoint::get_grid_pos(PyUIGridPointObject* self, void* closure) {
return Py_BuildValue("(ii)", self->data->grid_x, self->data->grid_y);
}
PyGetSetDef UIGridPoint::getsetters[] = {
{"walkable", (getter)UIGridPoint::get_bool_member, (setter)UIGridPoint::set_bool_member, "Is the GridPoint walkable", (void*)0},
{"transparent", (getter)UIGridPoint::get_bool_member, (setter)UIGridPoint::set_bool_member, "Is the GridPoint transparent", (void*)1},
{"entities", (getter)UIGridPoint::get_entities, NULL, "List of entities at this grid cell (read-only)", NULL},
{"grid_pos", (getter)UIGridPoint::get_grid_pos, NULL,
MCRF_PROPERTY(grid_pos, "Grid coordinates as (x, y) tuple (read-only)."), NULL},
{NULL} /* Sentinel */
};
PyObject* UIGridPoint::repr(PyUIGridPointObject* self) {
std::ostringstream ss;
if (!self->data) ss << "<GridPoint (invalid internal object)>";
else {
auto gp = self->data;
ss << "<GridPoint (walkable=" << (gp->walkable ? "True" : "False")
<< ", transparent=" << (gp->transparent ? "True" : "False")
<< ") at (" << gp->grid_x << ", " << gp->grid_y << ")>";
}
std::string repr_str = ss.str();
return PyUnicode_DecodeUTF8(repr_str.c_str(), repr_str.size(), "replace");
}
PyObject* UIGridPointState::get_bool_member(PyUIGridPointStateObject* self, void* closure) {
if (reinterpret_cast<intptr_t>(closure) == 0) { // visible
return PyBool_FromLong(self->data->visible);
} else { // discovered
return PyBool_FromLong(self->data->discovered);
}
}
int UIGridPointState::set_bool_member(PyUIGridPointStateObject* self, PyObject* value, void* closure) {
if (!PyBool_Check(value)) {
PyErr_SetString(PyExc_TypeError, "Value must be a boolean");
return -1;
}
int truthValue = PyObject_IsTrue(value);
if (truthValue < 0) {
return -1; // PyObject_IsTrue returns -1 on error
}
if (reinterpret_cast<intptr_t>(closure) == 0) { // visible
self->data->visible = truthValue;
} else { // discovered
self->data->discovered = truthValue;
}
return 0;
}
// #16 - Get GridPoint at this position (None if not discovered)
PyObject* UIGridPointState::get_point(PyUIGridPointStateObject* self, void* closure) {
// Return None if entity hasn't discovered this cell
if (!self->data->discovered) {
Py_RETURN_NONE;
}
if (!self->grid) {
PyErr_SetString(PyExc_RuntimeError, "GridPointState has no parent grid");
return NULL;
}
// Return the GridPoint at this position (use type directly since it's internal-only)
auto type = &mcrfpydef::PyUIGridPointType;
auto obj = (PyUIGridPointObject*)type->tp_alloc(type, 0);
if (!obj) return NULL;
// Get the GridPoint from the grid
int idx = self->y * self->grid->grid_w + self->x;
if (idx < 0 || idx >= static_cast<int>(self->grid->points.size())) {
Py_DECREF(obj);
PyErr_SetString(PyExc_IndexError, "GridPointState position out of bounds");
return NULL;
}
obj->data = &(self->grid->points[idx]);
obj->grid = self->grid;
return (PyObject*)obj;
}
PyGetSetDef UIGridPointState::getsetters[] = {
{"visible", (getter)UIGridPointState::get_bool_member, (setter)UIGridPointState::set_bool_member, "Is the GridPointState visible", (void*)0},
{"discovered", (getter)UIGridPointState::get_bool_member, (setter)UIGridPointState::set_bool_member, "Has the GridPointState been discovered", (void*)1},
{"point", (getter)UIGridPointState::get_point, NULL, "GridPoint at this position (None if not discovered)", NULL},
{NULL} /* Sentinel */
};
PyObject* UIGridPointState::repr(PyUIGridPointStateObject* self) {
std::ostringstream ss;
if (!self->data) ss << "<GridPointState (invalid internal object)>";
else {
auto gps = self->data;
ss << "<GridPointState (visible=" << (gps->visible ? "True" : "False") << ", discovered=" << (gps->discovered ? "True" : "False") <<
")>";
}
std::string repr_str = ss.str();
return PyUnicode_DecodeUTF8(repr_str.c_str(), repr_str.size(), "replace");
}
// #150 - Dynamic attribute access for named layers
PyObject* UIGridPoint::getattro(PyUIGridPointObject* self, PyObject* name) {
// First try standard attribute lookup (built-in properties)
PyObject* result = PyObject_GenericGetAttr((PyObject*)self, name);
if (result != nullptr || !PyErr_ExceptionMatches(PyExc_AttributeError)) {
return result;
}
// Clear the AttributeError and check for layer name
PyErr_Clear();
if (!self->grid) {
PyErr_SetString(PyExc_RuntimeError, "GridPoint has no parent grid");
return nullptr;
}
const char* attr_name = PyUnicode_AsUTF8(name);
if (!attr_name) return nullptr;
// Look up layer by name
auto layer = self->grid->getLayerByName(attr_name);
if (!layer) {
PyErr_Format(PyExc_AttributeError, "'GridPoint' object has no attribute '%s'", attr_name);
return nullptr;
}
int x = self->data->grid_x;
int y = self->data->grid_y;
// Get value based on layer type
if (layer->type == GridLayerType::Color) {
auto color_layer = std::static_pointer_cast<ColorLayer>(layer);
return sfColor_to_PyObject(color_layer->at(x, y));
} else if (layer->type == GridLayerType::Tile) {
auto tile_layer = std::static_pointer_cast<TileLayer>(layer);
return PyLong_FromLong(tile_layer->at(x, y));
}
PyErr_SetString(PyExc_RuntimeError, "Unknown layer type");
return nullptr;
}
int UIGridPoint::setattro(PyUIGridPointObject* self, PyObject* name, PyObject* value) {
// First try standard attribute setting (built-in properties)
// We need to check if this is a known attribute first
const char* attr_name = PyUnicode_AsUTF8(name);
if (!attr_name) return -1;
// Check if it's a built-in property (defined in getsetters)
for (PyGetSetDef* gsd = UIGridPoint::getsetters; gsd->name != nullptr; gsd++) {
if (strcmp(gsd->name, attr_name) == 0) {
// It's a built-in property, use standard setter
return PyObject_GenericSetAttr((PyObject*)self, name, value);
}
}
// Not a built-in property - try layer lookup
if (!self->grid) {
PyErr_SetString(PyExc_RuntimeError, "GridPoint has no parent grid");
return -1;
}
auto layer = self->grid->getLayerByName(attr_name);
if (!layer) {
PyErr_Format(PyExc_AttributeError, "'GridPoint' object has no attribute '%s'", attr_name);
return -1;
}
int x = self->data->grid_x;
int y = self->data->grid_y;
// Set value based on layer type
if (layer->type == GridLayerType::Color) {
auto color_layer = std::static_pointer_cast<ColorLayer>(layer);
sf::Color color = PyObject_to_sfColor(value);
if (PyErr_Occurred()) return -1;
color_layer->at(x, y) = color;
color_layer->markDirty(x, y); // Mark only the affected chunk
return 0;
} else if (layer->type == GridLayerType::Tile) {
auto tile_layer = std::static_pointer_cast<TileLayer>(layer);
if (!PyLong_Check(value)) {
PyErr_SetString(PyExc_TypeError, "Tile layer values must be integers");
return -1;
}
tile_layer->at(x, y) = PyLong_AsLong(value);
tile_layer->markDirty(x, y); // Mark only the affected chunk
return 0;
}
PyErr_SetString(PyExc_RuntimeError, "Unknown layer type");
return -1;
}