added speed modifiers depending on placement

Makefile

@@ -11,7 +11,7 @@ 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/long.txt bots/dumb bots/dumb2 bots/dumb3 bots/dumb4
+	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 @@
-18 68
+202 90

lastActions.txt

@@ -1,8 +1,44 @@
-16.118180 135.441519
-15.256039 -174.406057
-104.496250 -148.082488
-191.197494 16.230970
--112.462982 -31.358173
-119.618077 -121.687300
-104.527851 139.009942
-120.783208 54.245212
+379.298997 -90.460396
+-411.933782 -102.829478
+529.790599 106.085366
+199.425937 -339.933600
+-95.896503 -427.381434
+621.489630 -271.395621
+-91.910447 -431.083935
+532.790163 -251.126350
+-441.742872 -379.482434
+-156.873311 -631.713832
+-401.488913 234.715098
+105.077659 284.150054
+524.564488 78.261213
+276.789079 -499.510206
+-381.421657 -316.021931
+-523.227183 -149.848072
+101.368066 -470.891248
+-443.642759 -24.105970
+-184.386517 489.797115
+-240.105707 -570.235746
+-243.737743 -542.014315
+10.519746 -514.182691
+-195.243675 -309.577683
+332.009157 395.515767
+-176.294945 -347.245183
+175.812024 -404.875378
+387.383699 270.406430
+519.318908 3.851934
+258.416467 -497.716698
+383.335139 -130.461029
+17.811949 406.832575
+202.002036 -232.264703
+-73.837280 619.550755
+87.161172 -536.662133
+-264.435947 -410.760055
+488.070671 158.002418
+488.103030 -214.321833
+-571.397831 -78.964646
+-404.666249 112.426128
+577.348182 -253.487910
+151.737589 322.901126
+-394.690142 -402.872287
+-145.130089 -320.154490
+-493.847237 -180.188736

leaderboard.txt

@@ -1,7 +1,7 @@
 name, elo
-./bots/dumb 1595
-./bots/dumb2 1570
-./bots/dumb3 1576
-./bots/dumb4 1447
+./bots/dumb 1405
+./bots/dumb2 1504
+./bots/dumb3 1487
+./bots/dumb4 1392
 ./bots/dumb5 540
 ./bots/dumb6 562

levels/turning.txt

@@ -1,6 +1,6 @@
 7 8
-........
-..31S...
+...S....
+..35....
 ..24....
 ...24...
 ...353E.

output.txt

@@ -1,16 +1,18 @@
 4
-0 (0 1) (30.90 71.34)
-1 (1 0) (5.60 61.29)
-2 (0 1) (15.00 61.48)
-3 (0 0) (70.64 69.26)
-3
+0 (3 0) (24.83 26.41)
+1 (4 5) (73.32 64.02)
+2 (3 4) (90.21 27.10)
+3 (6 4) (41.16 68.33)
+2
 
-5 9
-31114.314
-S...035.0
-.E..25..0
-.0..31115
-.2115....
+7 8
+...S....
+..35....
+..24....
+...24...
+...353E.
+...215..
+........
 
 100 200 5 0.90 0.80 0.20
 

src/base.c

@@ -22,6 +22,10 @@ int nextRank;
 int currentTurn;
 int nPlayers;
 carData* players;
+double* remainingD;
+
+double minRemD;
+double maxRemD;
 
 int RED = 0;
 int GREEN = 0;
@@ -58,11 +62,15 @@ void init_all(int nPl) {
     remainingTurns = -1;
     winners = malloc(sizeof(int)*nPlayers);
     players = malloc(sizeof(carData)*nPlayers);
+    remainingD = malloc(sizeof(double)*nPlayers);
     for(int p = 0; p < nPlayers; p++) {
         winners[p] = 0;
         players[p].rgb = assignColor();
+        remainingD[p] = 0.0;
         players[p].c = init_car(p, nPlayers);
     }
+    minRemD = 0.0;
+    maxRemD = 0.0;
 }
 
 void destroy_all() {
@@ -315,6 +323,9 @@ double distance_pt(int x1, int x2, int y1, int y2) {
 int max(int a, int b) {return (a>b)?(a):(b);}
 int min(int a, int b) {return (a<b)?(a):(b);}
 
+int mfax(double a, double b) {return (a>b)?(a):(b);}
+int mfin(double a, double b) {return (a<b)?(a):(b);}
+
 double norm(ptf p) {
     return sqrt(p.fx*p.fx + p.fy*p.fy);
 }

src/base.h

@@ -12,6 +12,8 @@ int pw(int x, int n);
 double distance_pt(int x1, int x2, int y1, int y2);
 int max(int a, int b);
 int min(int a, int b);
+int mfax(double a, double b);
+int mfin(double a, double b);
 
 double norm(ptf p);
 double distance(ptf p1, ptf p2);

src/collisions.c

@@ -177,6 +177,19 @@ void move_on_TURN(int nPl, int cenX, int cenY) {
         c->pos.fy += 2.0*c->vel.fy*DT;
     }
 
+    // in case someone clips (inner)
+    if(nextDist-prevDist < 0.0 && prevDist-PLAYER_R < ROOM_SIZE*DIST_EDGE) {
+        ptf to_in = normalize((ptf){
+            .fx = cenX-prev.fx,
+            .fy = cenY-prev.fy
+        });
+        double inwards = dot(to_in, c->vel);
+        c->vel = add(c->vel, (ptf){.fx = -2.0*to_in.fx*inwards, .fy = -2.0*to_in.fy*inwards});
+
+        c->pos.fx += 2.0*c->vel.fx*DT;
+        c->pos.fy += 2.0*c->vel.fy*DT;
+    }
+
     // outer circle
     if(prevDist+PLAYER_R < ROOM_SIZE*(1.0-DIST_EDGE) && nextDist+PLAYER_R >= ROOM_SIZE*(1.0-DIST_EDGE)) {
         ptf to_out = normalize((ptf){
@@ -189,6 +202,19 @@ void move_on_TURN(int nPl, int cenX, int cenY) {
         c->pos.fx += 2.0*c->vel.fx*DT;
         c->pos.fy += 2.0*c->vel.fy*DT;
     }
+
+    // in case someone clips (outer)
+    if(nextDist-prevDist > 0.0 && prevDist-PLAYER_R > ROOM_SIZE*(1.0-DIST_EDGE)) {
+        ptf to_in = normalize((ptf){
+            .fx = cenX-prev.fx,
+            .fy = cenY-prev.fy
+        });
+        double inwards = dot(to_in, c->vel);
+        c->vel = add(c->vel, (ptf){.fx = -2.0*to_in.fx*inwards, .fy = -2.0*to_in.fy*inwards});
+
+        c->pos.fx += 2.0*c->vel.fx*DT;
+        c->pos.fy += 2.0*c->vel.fy*DT;
+    }
 }
 
 void bumpOtherCars(int nPl) {

src/display.c

@@ -516,6 +516,9 @@ const int BAR_T = 3;
 void renderProgress(SDL_Renderer* renderer, level* lvl, path* pth) {
     for(int p = 0; p < nPlayers; p++) {
         double remD = getTotalRemainingDistance(lvl, pth, p);
+        remainingD[p] = remD;
+        maxRemD = mfax(maxRemD, remD);
+        minRemD = mfin(minRemD, remD);
         //printf("(%lf out of %lf rem)\n", remD, maxD);
         placeRectToRenderer(renderer, 10, BAR_W/8+p*(BAR_W+BAR_W/8), WIDTH-20, BAR_W, players[p].rgb.red/2, players[p].rgb.green/2, players[p].rgb.blue/2, 255);
         placeRectToRenderer(renderer, 10+BAR_T, BAR_W/8+p*(BAR_W+BAR_W/8)+BAR_T, WIDTH-20-2*BAR_T, BAR_W-2*BAR_T, 0, 0, 0, 255);

src/main.c

@@ -80,6 +80,18 @@ void cameraActions(level* lvl, bool* halt, int* cx, int* cy, int* dezoom, int* s
     }
 }
 
+double playerSpeedModifier(int nPl) {
+    // gives players a speed boost/penalty depending on their position
+    // -12% if in the lead, and +12% if last
+    if(maxRemD-minRemD >= 0.0001) {
+        double theta = (remainingD[nPl]-minRemD)/(maxRemD-minRemD);
+        printf("%lf\n", theta);
+        return (1.0 + (24.0*theta-12.0)/100.0);
+    } else {
+        return 1.0;
+    }
+}
+
 void player_turn(int id, char* exec) {
     if(noise) {
         system(exec);
@@ -89,9 +101,16 @@ void player_turn(int id, char* exec) {
         fclose(ptr);
         double dvx = 1.0+(rand()%200-100)/100.0*(DELTA_V/100.0);
         double dvy = 1.0+(rand()%200-100)/100.0*(DELTA_V/100.0);
+        double psm = playerSpeedModifier(id);
         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));
+        set_speed_car(players[id].c,
+            psm*dvx*MAX_SPEED*(mult)/100.0*cos((angle+dtheta)*3.14159/180.0),
+            psm*dvy*MAX_SPEED*(mult)/100.0*sin((angle+dtheta)*3.14159/180.0)
+        );
+        fprintf(save, "%lf %lf\n",
+            psm*dvx*MAX_SPEED*(mult)/100.0*cos((angle+dtheta)*3.14159/180.0),
+            psm*dvy*MAX_SPEED*(mult)/100.0*sin((angle+dtheta)*3.14159/180.0)
+        );
     } else {
         double vx, vy;
         fscanf(save, "%lf %lf", &vx, &vy);
@@ -199,6 +218,8 @@ int main(int argc, char** argv) {
     int count = 0;
     while(!halt) {
         resetRenderer(rend);
+        minRemD = 999999.0;
+        maxRemD = 0.0;
         renderMap(rend, stage, pth, cx, cy, dezoom, sizeR, SHOW);
         for(int p = 0; p < N_PLAYERS; p++) {
             pt proj = project(p, cx, cy, dezoom, sizeR);
@@ -262,7 +283,7 @@ int main(int argc, char** argv) {
         free(execs[k]);
     }
     free(execs);
-
+    free(remainingD);
     free(ranks);
 
     SDL_DestroyRenderer(rend);

src/structure.h

@@ -114,6 +114,9 @@ extern const double DELTA_THETA;
 extern int* winners;
 extern int nextRank;
 extern int remainingTurns;
+extern double* remainingD;
+extern double minRemD;
+extern double maxRemD;
 
 // -------------------------------------------------------------------------------- //
 

tempLeader.txt

@@ -1,7 +1,7 @@
 name, elo
-./bots/dumb 1595
-./bots/dumb2 1570
-./bots/dumb3 1576
-./bots/dumb4 1447
+./bots/dumb 1405
+./bots/dumb2 1504
+./bots/dumb3 1487
+./bots/dumb4 1392
 ./bots/dumb5 540
 ./bots/dumb6 562