more c cleanup and label physics adjustments

Former-commit-id: 0915c6c04f958bbf233b02981320be626aae7d31
Former-commit-id: d63cf3baf92d2b35e462b324ce47bea8225ed39a

Aircraft.cpp

@@ -1,11 +1,11 @@
 #include "Aircraft.h"
 
+#include "dump1090.h" //for struct aircaft
 
 
 Aircraft::Aircraft(struct aircraft *a) {
     addr = a->addr;
     created = 0;
-    //oldIdx = 0;
     prev_seen = 0;
 
     x = 0;
@@ -19,16 +19,8 @@ Aircraft::Aircraft(struct aircraft *a) {
     doy  = 0;
     ddox = 0;
     ddoy = 0;
-
-    // memset(oldLon, 0, sizeof(oldLon));
-    // memset(oldLat, 0, sizeof(oldLat));    
-    // memset(oldHeading, 0, sizeof(oldHeading));    
 }
 
 
 Aircraft::~Aircraft() {
-
-	// free(oldLat);
-	// free(oldLon);
-	// free(oldHeading);
 }

Aircraft.h

@@ -1,5 +1,5 @@
  #include <stdint.h>
-#include "dump1090.h"
+
 #include <ctime>
 #include <list> 
 

AircraftList.cpp

@@ -1,5 +1,4 @@
 #include "AircraftList.h"
-#include "dump1090.h"
 
 static uint64_t mstime(void) {
     struct timeval tv;

AircraftList.h

@@ -1,5 +1,7 @@
 #include "Aircraft.h"
 
+#include "dump1090.h" //for Modes
+
 class AircraftList {
 	public:
 		Aircraft *head;

AppData.h

@@ -1,8 +1,7 @@
 #ifndef APPDATA_H
 #define APPDATA_H
 
-#include "dump1090.h"
-#include "view1090.h"
+#include "view1090.h" //for Modes
 
 #include "AircraftList.h"
 

Input.cpp

@@ -1,5 +1,3 @@
-#include "view1090.h"
-
 #include "Input.h"
 
 static uint64_t mstime(void) {

View.cpp

@@ -1,5 +1,3 @@
-#include "dump1090.h"
-
 #include "SDL2/SDL2_rotozoom.h"
 #include "SDL2/SDL2_gfxPrimitives.h"
 //color schemes
@@ -855,6 +853,12 @@ void View::drawSelectedAircraftText(Aircraft *p) {
 void View::resolveLabelConflicts() {
     Aircraft *p = appData->aircraftList.head;
 
+    float label_force = 0.01f;
+    float plane_force = 0.01f;
+    float damping_force = 0.95f;
+    float spring_force = 0.02f;
+    float spring_length = 10.0f;
+
     while(p) {
 
         Aircraft *check_p = appData->aircraftList.head;
@@ -868,14 +872,17 @@ void View::resolveLabelConflicts() {
         //rectangleRGBA(renderer, p->x, p->y, p->x + p->w, p->y + p->h, 255,0,0, SDL_ALPHA_OPAQUE);
         //lineRGBA(renderer, p->cx, p->cy, p->x, p->y, 0,255,0, SDL_ALPHA_OPAQUE);
         
-        //apply damping
+        p->ddox = 0;
+        p->ddoy = 0;
 
-        p->ddox -= 0.07f * p->dox;
-        p->ddoy -= 0.07f * p->doy;
+        float o_mag = sqrt(p->ox*p->ox + p->oy*p->oy);
 
         //spring back to origin
-        p->ddox -= 0.005f * p->ox;
-        p->ddoy -= 0.005f * p->oy;
+
+        if(o_mag > 0) {
+            p->ddox -= p->ox / o_mag * spring_force * (o_mag - spring_length);
+            p->ddoy -= p->oy / o_mag * spring_force * (o_mag - spring_length);
+        }
         
         // // //screen edge 
 
@@ -925,22 +932,22 @@ void View::resolveLabelConflicts() {
 
                 //left collision
                 if(check_left > p_left && check_left < p_right) {
-                    check_p->ddox -= 0.01f * (float)(check_left - p_right);   
+                    check_p->ddox -= label_force * (float)(check_left - p_right);   
                 }
 
                 //right collision
                 if(check_right > p_left && check_right < p_right) {
-                    check_p->ddox -= 0.01f * (float)(check_right - p_left);   
+                    check_p->ddox -= label_force * (float)(check_right - p_left);   
                 }
 
                 //top collision
                 if(check_top > p_top && check_top < p_bottom) {
-                    check_p->ddoy -= 0.01f * (float)(check_top - p_bottom);   
+                    check_p->ddoy -= label_force * (float)(check_top - p_bottom);   
                 }
 
                 //bottom collision
                 if(check_bottom > p_top && check_bottom < p_bottom) {
-                    check_p->ddoy -= 0.01f * (float)(check_bottom - p_top);   
+                    check_p->ddoy -= label_force * (float)(check_bottom - p_top);   
                 }    
             }
             check_p = check_p -> next;
@@ -950,8 +957,6 @@ void View::resolveLabelConflicts() {
 
         //check against plane icons (include self)
 
-        float plane_force = 0.08f;
-
         p_left = p->x - 5 * screen_uiscale;
         p_right = p->x + 5 * screen_uiscale;
         p_top = p->y - 5 * screen_uiscale;
@@ -1005,11 +1010,12 @@ void View::resolveLabelConflicts() {
     p = appData->aircraftList.head;
 
     while(p) {
-            //incorporate acceleration from label conflict resolution
-      
         p->dox += p->ddox;
         p->doy += p->ddoy;
 
+        p->dox *= damping_force;
+        p->doy *= damping_force;
+  
         if(fabs(p->dox) > 10.0f) {
             p->dox = sign(p->dox) * 10.0f;
         }
@@ -1029,11 +1035,6 @@ void View::resolveLabelConflicts() {
         p->ox += p->dox;
         p->oy += p->doy;
 
-        //printf("p_ox: %f, p_oy %f\n",p->ox, p->oy);
-
-        p->ddox = 0;
-        p->ddoy = 0;
-
         p->x = p->cx + (int)round(p->ox);
         p->y = p->cy + (int)round(p->oy);
 

map1090.REMOVED.git-id

@@ -1 +1 @@
-c64f58d5a0b612b1c29e1585a52d19dfa7ac4b92
+35e0993090bbfbe86d9367ce99c671435554d2ac

map1090.cpp

@@ -28,7 +28,6 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 //
 
-#include "view1090.h"
 #include "AppData.h"
 #include "View.h"
 #include "Input.h"