rebalanced elo function + added replay system

Makefile

@@ -4,12 +4,15 @@ LFLAGS = -lSDL2 -lSDL2_image -lm
 
 all: bin/back
 
-test: bin/back
+replay: bin/back
-	bin/back levels/test.txt bots/dumb bots/dumb2 bots/dumb3 bots/dumb4
+	bin/back levels/straight.txt REP bots/dumb bots/dumb2 bots/dumb3 bots/dumb4
 
 testL: bin/back
 	bin/back levels/test.txt bots/dumb bots/dumb2 bots/dumb3 bots/dumb4 bots/dumb5 bots/dumb6
 
+test: bin/back
+	bin/back levels/test.txt bots/dumb bots/dumb2 bots/dumb3 bots/dumb4
+
 ez: bin/back
 	bin/back levels/simple.txt bots/dumb bots/dumb2 bots/dumb3 bots/dumb4
 

answer.txt

@@ -1 +1 @@
-102 61
+288 75

lastActions.txt

@@ -0,0 +1,22 @@
+83.689682 166.568590
+161.856726 -68.371906
+-21.799328 154.573210
+167.141051 -112.643060
+23.867801 -137.063781
+-134.600006 141.659189
+-131.665050 -68.540697
+-188.330352 56.382417
+-44.777939 -151.693916
+-157.607132 -25.718204
+141.568869 35.871573
+-11.482366 -141.473584
+-161.353467 -52.403609
+118.974318 -60.269145
+142.449106 80.225227
+-156.434592 120.574661
+130.379231 139.672870
+-107.308604 -82.900739
+69.679734 -172.732818
+150.627007 71.542801
+46.785402 -141.274814
+61.850213 -128.983670

leaderboard.txt

@@ -1,7 +1,7 @@
 name, elo
-./bots/dumb 551
+./bots/dumb 1637
-./bots/dumb2 547
+./bots/dumb2 1592
-./bots/dumb3 512
+./bots/dumb3 1611
-./bots/dumb4 512
+./bots/dumb4 1519
 ./bots/dumb5 540
 ./bots/dumb6 562

output.txt

@@ -1,18 +1,12 @@
 4
-0 (6 4) (31.00 19.85)
+0 (2 0) (10.04 51.32)
-1 (4 1) (46.31 83.63)
+1 (2 0) (32.42 40.43)
-2 (2 1) (85.48 74.34)
+2 (2 0) (72.81 52.36)
-3 (2 1) (66.86 66.86)
+3 (0 0) (89.50 92.97)
 [3]
 
-7 8
+1 3
-........
+S1E
-..31S...
-..24....
-...24...
-...353E.
-...215..
-........
 
 100 200 5 0.90 0.80 0.20
 

src/main.c

@@ -22,6 +22,10 @@ bool WAIT = true;
 bool SHOW = true;
 bool matchDone = false;
 
+bool noise = true;
+
+FILE* save;
+
 void cameraActions(level* lvl, bool* halt, int* cx, int* cy, int* dezoom, int* sizeR) {
     SDL_Event event;
     while(SDL_PollEvent(&event)) {
@@ -76,6 +80,7 @@ void cameraActions(level* lvl, bool* halt, int* cx, int* cy, int* dezoom, int* s
 }
 
 void player_turn(int id, char* exec) {
+    if(noise) {
         system(exec);
         FILE* ptr = fopen("answer.txt", "r");
         int angle, mult;
@@ -85,6 +90,12 @@ void player_turn(int id, char* exec) {
         double dvy = 1.0+(rand()%200-100)/100.0*(DELTA_V/100.0);
         double dtheta = (rand()%200-100)*DELTA_THETA/100.0;
         set_speed_car(players[id].c, dvx*MAX_SPEED*(mult)/100.0*cos((angle+dtheta)*3.14159/180.0), dvy*MAX_SPEED*(mult)/100.0*sin((angle+dtheta)*3.14159/180.0));
+        fprintf(save, "%lf %lf\n", dvx*MAX_SPEED*(mult)/100.0*cos((angle+dtheta)*3.14159/180.0), dvy*MAX_SPEED*(mult)/100.0*sin((angle+dtheta)*3.14159/180.0));
+    } else {
+        double vx, vy;
+        fscanf(save, "%lf %lf", &vx, &vy);
+        set_speed_car(players[id].c, vx, vy);
+    }
 }
 
 void parse_all_players(level* lvl, char** execs) {
@@ -103,7 +114,21 @@ int main(int argc, char** argv) {
         fprintf(stderr, "usage : ./back <level_path> <P1 executable> <P2 executable> ...\n");
         exit(1);
     }
-    int N_PLAYERS = argc-2;
+
+    int offsetP = 0;
+    if(argv[2][0] == 'R' && argv[2][1] == 'E' && argv[2][2] == 'P' && argv[2][3] == '\0') {
+        // replay mode
+        noise = false;
+        printf("---------------------------\n");
+        printf("--| Replay mode enabled |--\n");
+        printf("---------------------------\n");
+        offsetP = 1;
+        save = fopen("lastActions.txt", "r");
+    } else {
+        save = fopen("lastActions.txt", "w");
+    }
+
+    int N_PLAYERS = argc-2-offsetP;
 
     char** execs = malloc(sizeof(char*)*N_PLAYERS);
     int* ranks = malloc(sizeof(int)*N_PLAYERS);
@@ -113,8 +138,8 @@ int main(int argc, char** argv) {
         execs[k][0] = '.';
         execs[k][1] = '/';
         int i = 2;
-        while(i-2 < 64 && argv[k+2][i-2] != '\0') {
+        while(i-2 < 64 && argv[k+2+offsetP][i-2] != '\0') {
-            execs[k][i] = argv[k+2][i-2];
+            execs[k][i] = argv[k+2+offsetP][i-2];
             i += 1;
         }
         execs[k][i] = '\0';
@@ -208,6 +233,9 @@ int main(int argc, char** argv) {
             }
             elapsed = 0.0;
         }
+        if(!noise) {
+            drawStringToRenderer(rend, "replay", 10, HEIGHT-75, 75/3, 105/3);
+        }
         if(remainingTurns >= 0) {
             draw7SegNumberToRenderer(rend, remainingTurns, WIDTH/2, HEIGHT-75, 25, 25, 3, 255, 32, 32, 255, 0, 0);
         } else {
@@ -220,12 +248,13 @@ int main(int argc, char** argv) {
         count += 1;
     }
     
-    if(matchDone)updateLeaderBoard(execs, ranks);
+    if(matchDone && noise)updateLeaderBoard(execs, ranks);
     // ---------------------------- //
     free_digits(digits);
     free_digits(letters);
     free_level(stage);
     freePath(pth);
+    fclose(save);
     for(int k = 0; k < N_PLAYERS; k++) {
         free(execs[k]);
     }

src/structure.c

@@ -133,9 +133,9 @@ double fsmin(double a, double b) {return (a<b)?(a):(b);}
 // if diff < -250, no bonus
 // if diff > 250, 2x bonus
 int gains(int elo, int rank, int diff) {
-    return (int)(
+    return 5+(int)(
         (fsmax(0.1, fsmin(2.0, (diff+250.0)/250.0)))*20-
-            (smax(40,smin(90, (90*elo)/3250)))*
+            (smax(40,smin(90, (90*elo)/1900)))*
             (((rank-1)*1.0)/((nPlayers-1+((nPlayers==1)?(1):(0)))*1.0))
     );
 }

tempLeader.txt

@@ -1,7 +1,7 @@
 name, elo
-./bots/dumb 551
+./bots/dumb 1637
-./bots/dumb2 547
+./bots/dumb2 1592
-./bots/dumb3 512
+./bots/dumb3 1611
-./bots/dumb4 512
+./bots/dumb4 1519
 ./bots/dumb5 540
 ./bots/dumb6 562