/*
* Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
- *
+ *
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define __ROAM_H__
#include "gpqueue.h"
-#include "wms.h"
/* Roam */
typedef struct _RoamView RoamView;
typedef struct _RoamTriangle RoamTriangle;
typedef struct _RoamDiamond RoamDiamond;
typedef struct _RoamSphere RoamSphere;
-typedef void (*RoamTriFunc)(RoamTriangle *triangle, gpointer user_data);
-typedef void (*RoamHeightFunc)(RoamPoint *point, gpointer user_data);
+typedef gdouble (*RoamHeightFunc)(gdouble lat, gdouble lon, gpointer user_data);
/* Misc */
struct _RoamView {
gdouble model[16];
- gdouble proj[16];
- gint view[4];
+ gdouble proj[16];
+ gint view[4];
+ gint version;
};
/*************
struct _RoamPoint {
gdouble x,y,z; // Model coordinates
gdouble px,py,pz; // Projected coordinates
-
- gboolean cached; // Height/projection cached
+ gint pversion; // Version of cached projection
gint tris; // Associated triangles
gdouble norm[3]; // Vertex normal
- WmsCacheNode *node; // TODO: don't depend on wms
+ /* For get_intersect */
+ gdouble lat, lon;
+
+ /* For terrain */
+ RoamHeightFunc height_func;
+ gpointer height_data;
};
RoamPoint *roam_point_new(double x, double y, double z);
void roam_point_add_triangle(RoamPoint *point, RoamTriangle *triangle);
void roam_point_remove_triangle(RoamPoint *point, RoamTriangle *triangle);
-void roam_point_update(RoamPoint *point, RoamSphere *sphere, gboolean do_height);
-void roam_point_clear(RoamPoint *self);
+void roam_point_update_height(RoamPoint *point);
+void roam_point_update_projection(RoamPoint *point, RoamSphere *sphere);
/****************
* RoamTriangle *
struct _RoamTriangle {
struct { RoamPoint *l,*m,*r; } p;
struct { RoamTriangle *l,*b,*r; } t;
+ RoamPoint *split;
RoamDiamond *parent;
double norm[3];
double error;
GPQueueHandle handle;
- WmsCacheNode *nodes[5]; // TODO: don't depend on wms
+ /* For get_intersect */
+ struct { gdouble n,s,e,w; } edge;
+ RoamTriangle *kids[2];
};
RoamTriangle *roam_triangle_new(RoamPoint *l, RoamPoint *m, RoamPoint *r);
void roam_triangle_add(RoamTriangle *triangle,
RoamTriangle *left, RoamTriangle *base, RoamTriangle *right,
RoamSphere *sphere);
void roam_triangle_remove(RoamTriangle *triangle, RoamSphere *sphere);
-void roam_triangle_update(RoamTriangle *triangle, RoamSphere *sphere);
+void roam_triangle_update_errors(RoamTriangle *triangle, RoamSphere *sphere);
void roam_triangle_split(RoamTriangle *triangle, RoamSphere *sphere);
void roam_triangle_draw_normal(RoamTriangle *triangle);
void roam_diamond_add(RoamDiamond *diamond, RoamSphere *sphere);
void roam_diamond_remove(RoamDiamond *diamond, RoamSphere *sphere);
void roam_diamond_merge(RoamDiamond *diamond, RoamSphere *sphere);
-void roam_diamond_update(RoamDiamond *self, RoamSphere *sphere);
+void roam_diamond_update_errors(RoamDiamond *self, RoamSphere *sphere);
/**************
* RoamSphere *
GPQueue *triangles;
GPQueue *diamonds;
RoamView *view;
- RoamTriFunc tri_func;
- RoamHeightFunc height_func;
- gpointer user_data;
gint polys;
+
+ /* For get_intersect */
+ RoamTriangle *roots[8];
};
-RoamSphere *roam_sphere_new(RoamTriFunc tri_func, RoamHeightFunc height_func, gpointer user_data);
-void roam_sphere_update(RoamSphere *sphere);
+RoamSphere *roam_sphere_new();
+void roam_sphere_update_view(RoamSphere *sphere);
+void roam_sphere_update_errors(RoamSphere *sphere);
void roam_sphere_split_one(RoamSphere *sphere);
void roam_sphere_merge_one(RoamSphere *sphere);
gint roam_sphere_split_merge(RoamSphere *sphere);
void roam_sphere_draw(RoamSphere *sphere);
void roam_sphere_draw_normals(RoamSphere *sphere);
+GList *roam_sphere_get_intersect(RoamSphere *sphere,
+ gdouble n, gdouble s, gdouble e, gdouble w);
void roam_sphere_free(RoamSphere *sphere);
#endif