mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
4a9c7078f7
All IG code should use the interface of LocatedEntity when dealing with any entity, rather than sometimes requiring Entity. Add virtual functions to the interface where required, and modify all other interfaces to stop them using Entity. This makes the code way cleaner, and much better de-coupled.
382 lines
14 KiB
C++
382 lines
14 KiB
C++
// Cyphesis Online RPG Server and AI Engine
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// Copyright (C) 2000 Alistair Riddoch
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software Foundation,
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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// $Id$
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#include "Py_Location.h"
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#include "Py_Thing.h"
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#include "Py_Vector3D.h"
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#include "Py_Point3D.h"
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#include "Py_Quaternion.h"
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#include "Py_BBox.h"
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#include "Py_World.h"
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#include "BaseMind.h"
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#include "common/BaseWorld.h"
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#include <sstream>
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static PyObject * Location_copy(PyLocation *self)
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{
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#ifndef NDEBUG
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if (self->location == NULL) {
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PyErr_SetString(PyExc_AssertionError, "NULL Location in Location.copy");
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return NULL;
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}
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#endif // NDEBUG
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PyLocation * ret = newPyLocation();
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if (ret != NULL) {
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ret->location = new Location(self->location->m_loc,
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self->location->pos(),
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self->location->velocity());
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}
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return (PyObject *)ret;
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}
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static PyMethodDef Location_methods[] = {
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{"copy", (PyCFunction)Location_copy, METH_NOARGS},
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{NULL, NULL} /* sentinel */
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};
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static void Location_dealloc(PyLocation *self)
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{
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if (self->owner == 0 && self->location != NULL) {
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delete self->location;
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}
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self->ob_type->tp_free((PyObject*)self);
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}
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static PyObject * Location_getattro(PyLocation *self, PyObject *oname)
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{
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#ifndef NDEBUG
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if (self->location == NULL) {
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PyErr_SetString(PyExc_AssertionError, "NULL Location in Location.getattr");
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return NULL;
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}
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#endif // NDEBUG
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char * name = PyString_AsString(oname);
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if (strcmp(name, "parent") == 0) {
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if (self->location->m_loc == NULL) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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PyObject * wrapper = wrapEntity(self->location->m_loc);
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if (wrapper == NULL) {
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return NULL;
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}
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PyObject * wrapper_proxy = PyWeakref_NewProxy(wrapper, NULL);
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// FIXME Have wrapEntity return a borrowed reference
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Py_DECREF(wrapper);
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return wrapper_proxy;
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}
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if (strcmp(name, "coordinates") == 0) {
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PyPoint3D * v = newPyPoint3D();
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if (v != NULL) {
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v->coords = self->location->pos();
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}
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return (PyObject *)v;
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}
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if (strcmp(name, "velocity") == 0) {
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PyVector3D * v = newPyVector3D();
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if (v != NULL) {
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v->coords = self->location->velocity();
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}
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return (PyObject *)v;
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}
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if (strcmp(name, "orientation") == 0) {
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PyQuaternion * v = newPyQuaternion();
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if (v != NULL) {
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v->rotation = self->location->orientation();
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}
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return (PyObject *)v;
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}
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if (strcmp(name, "bbox") == 0) {
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PyBBox * b = newPyBBox();
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if (b != NULL) {
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b->box = self->location->bBox();
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}
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return (PyObject *)b;
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}
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return PyObject_GenericGetAttr((PyObject *)self, oname);
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}
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static int Location_setattro(PyLocation *self, PyObject *oname, PyObject *v)
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{
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#ifndef NDEBUG
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if (self->location == NULL) {
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PyErr_SetString(PyExc_AssertionError, "NULL Location in Location.setattr");
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return -1;
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}
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#endif // NDEBUG
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char * name = PyString_AsString(oname);
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if (strcmp(name, "parent") == 0) {
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// FIXME Support for weakrefs
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if (!PyLocatedEntity_Check(v)) {
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PyErr_SetString(PyExc_TypeError, "parent must be an entity");
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return -1;
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}
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PyEntity * thing = (PyEntity *)v;
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#ifndef NDEBUG
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if (thing->m_entity.l == NULL) {
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PyErr_SetString(PyExc_AssertionError, "invalid thing");
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return -1;
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}
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#endif // NDEBUG
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self->location->m_loc = thing->m_entity.l;
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return 0;
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}
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if (strcmp(name, "bbox") == 0 && PyBBox_Check(v)) {
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PyBBox * box = (PyBBox *)v;
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self->location->setBBox(box->box);
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return 0;
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}
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if (strcmp(name, "orientation") == 0 && PyQuaternion_Check(v)) {
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PyQuaternion * quat = (PyQuaternion *)v;
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self->location->m_orientation = quat->rotation;
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return 0;
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}
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Vector3D vector;
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if (PyVector3D_Check(v)) {
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PyVector3D * vec = (PyVector3D *)v;
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vector = vec->coords;
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} else if (PyPoint3D_Check(v)) {
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PyPoint3D * p = (PyPoint3D *)v;
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vector = Vector3D(p->coords.x(), p->coords.y(), p->coords.z());
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vector.setValid(p->coords.isValid());
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} else if (PyTuple_Check(v)) {
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if (PyTuple_Size(v) != 3) {
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PyErr_SetString(PyExc_ValueError, "value must be sequence of 3");
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return -1;
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}
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for(int i = 0; i < 3; i++) {
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PyObject * item = PyTuple_GetItem(v, i);
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if (PyInt_Check(item)) {
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vector[i] = (double)PyInt_AsLong(item);
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} else if (PyFloat_Check(item)) {
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vector[i] = PyFloat_AsDouble(item);
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} else {
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PyErr_SetString(PyExc_TypeError,
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"value must be tuple of floats, or ints");
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return -1;
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}
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}
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vector.setValid();
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} else if (PyList_Check(v)) {
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if (PyList_Size(v) != 3) {
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PyErr_SetString(PyExc_ValueError, "value must be sequence of 3");
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return -1;
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}
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for(int i = 0; i < 3; i++) {
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PyObject * item = PyList_GetItem(v, i);
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if (PyInt_Check(item)) {
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vector[i] = (double)PyInt_AsLong(item);
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} else if (PyFloat_Check(item)) {
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vector[i] = PyFloat_AsDouble(item);
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} else {
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PyErr_SetString(PyExc_TypeError,
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"value must be list of floats, or ints");
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return -1;
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}
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}
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vector.setValid();
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} else {
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PyErr_SetString(PyExc_TypeError, "value must be a vector");
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return -1;
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}
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if (strcmp(name, "coordinates") == 0) {
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self->location->m_pos = Point3D(vector.x(), vector.y(), vector.z());
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return 0;
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}
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if (strcmp(name, "velocity") == 0) {
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self->location->m_velocity = vector;
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return 0;
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}
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if (strcmp(name, "bbox") == 0) {
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self->location->setBBox(BBox(WFMath::Point<3>(0.f,0.f,0.f),
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WFMath::Point<3>(vector.x(),
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vector.y(),
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vector.z())));
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return 0;
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}
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PyErr_SetString(PyExc_AttributeError, "unknown attribute");
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return -1;
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}
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static PyObject * Location_repr(PyLocation *self)
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{
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std::stringstream r;
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r << *self->location;
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return PyString_FromString(r.str().c_str());
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}
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static int Location_init(PyLocation * self, PyObject * args, PyObject * kwds)
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{
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// We need to deal with actual args here
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PyObject * refO = NULL;
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PyPoint3D * coords = NULL;
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LocatedEntity * ref_ent = NULL;
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if (!PyArg_ParseTuple(args, "|OO", &refO, &coords)) {
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return -1;
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}
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if (refO != NULL) {
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if (PyWeakref_CheckProxy(refO)) {
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refO = PyWeakref_GET_OBJECT(refO);
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}
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if (!PyLocatedEntity_Check(refO) && !PyWorld_Check(refO)) {
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// FIXME This is odd. Should be wrapped into the above check
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if (!PyObject_IsInstance(refO, (PyObject *)&PyEntity_Type)) {
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PyErr_SetString(PyExc_TypeError, "Arg ref required");
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return -1;
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}
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}
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if (coords != NULL && !PyPoint3D_Check(coords)) {
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PyErr_SetString(PyExc_TypeError, "Arg coords required");
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return -1;
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}
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if (PyWorld_Check(refO)) {
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ref_ent = &BaseWorld::instance().m_gameWorld;
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} else {
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PyEntity * ref = (PyEntity*)refO;
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#ifndef NDEBUG
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if (ref->m_entity.l == NULL) {
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PyErr_SetString(PyExc_AssertionError, "Parent thing is invalid");
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return -1;
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}
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#endif // NDEBUG
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ref_ent = ref->m_entity.l;
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}
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}
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if (coords == NULL) {
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self->location = new Location(ref_ent);
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} else {
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self->location = new Location(ref_ent, coords->coords);
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}
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return 0;
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}
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static PyObject * Location_new(PyTypeObject * type, PyObject *, PyObject *)
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{
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// This looks allot like the default implementation, except we call the
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// in-place constructor.
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PyLocation * self = (PyLocation *)type->tp_alloc(type, 0);
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if (self != NULL) {
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self->location = NULL;
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self->owner = 0;
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}
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return (PyObject *)self;
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}
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static PyObject * Location_subtract(PyLocation * lhs, PyLocation * rhs)
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{
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if (!PyLocation_CheckExact(rhs)) {
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PyErr_SetString(PyExc_TypeError, "Location must subtract Location");
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return 0;
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}
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PyVector3D * v = newPyVector3D();
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if (v != NULL) {
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v->coords = distanceTo(*rhs->location, *lhs->location);
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}
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return (PyObject*)v;
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}
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static PyNumberMethods Location_as_number = {
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0, // nb_add;
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(binaryfunc)Location_subtract, // nb_subtract;
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0, // nb_multiply;
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0, // nb_divide;
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0, // nb_remainder;
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0, // nb_divmod;
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0, // nb_power;
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0, // nb_negative;
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0, // nb_positive;
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0, // nb_absolute;
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0, // nb_nonzero;
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0, // nb_invert;
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0, // nb_lshift;
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0, // nb_rshift;
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0, // nb_and;
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0, // nb_xor;
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0, // nb_or;
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0, // nb_coerce;
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0, // nb_int;
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0, // nb_long;
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0, // nb_float;
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0, // nb_oct;
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0, // nb_hex;
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/* Added in release 2.0 */
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0, // nb_inplace_add;
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0, // nb_inplace_subtract;
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0, // nb_inplace_multiply;
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0, // nb_inplace_divide;
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0, // nb_inplace_remainder;
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0, // nb_inplace_power;
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0, // nb_inplace_lshift;
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0, // nb_inplace_rshift;
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0, // nb_inplace_and;
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0, // nb_inplace_xor;
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0, // nb_inplace_or;
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};
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PyTypeObject PyLocation_Type = {
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PyObject_HEAD_INIT(&PyType_Type)
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0, /*ob_size*/
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"atlas.Location", /*tp_name*/
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sizeof(PyLocation), /*tp_basicsize*/
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0, /*tp_itemsize*/
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/* methods */
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(destructor)Location_dealloc, /*tp_dealloc*/
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0, /*tp_print*/
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0, /*tp_getattr*/
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0, /*tp_setattr*/
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0, /*tp_compare*/
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(reprfunc)Location_repr, /*tp_repr*/
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&Location_as_number, /*tp_as_number*/
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0, /*tp_as_sequence*/
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0, /*tp_as_mapping*/
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0, /*tp_hash*/
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0, // tp_call
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0, // tp_str
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(getattrofunc)Location_getattro,// tp_getattro
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(setattrofunc)Location_setattro,// tp_setattro
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0, // tp_as_buffer
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Py_TPFLAGS_DEFAULT, // tp_flags
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"Location objects", // tp_doc
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0, // tp_travers
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0, // tp_clear
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0, // tp_richcompare
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0, // tp_weaklistoffset
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0, // tp_iter
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0, // tp_iternext
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Location_methods, // tp_methods
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0, // tp_members
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0, // tp_getset
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0, // tp_base
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0, // tp_dict
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0, // tp_descr_get
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0, // tp_descr_set
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0, // tp_dictoffset
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(initproc)Location_init, // tp_init
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0, // tp_alloc
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Location_new, // tp_new
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};
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PyLocation * newPyLocation()
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{
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return (PyLocation *)PyLocation_Type.tp_new(&PyLocation_Type, 0, 0);
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}
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