added music cuz why not

.vscode/settings.json

@@ -8,6 +8,8 @@
         "base.h": "c",
         "cars.h": "c",
         "sdl_image.h": "c",
-        "collisions.h": "c"
+        "collisions.h": "c",
+        "stdbool.h": "c",
+        "music.h": "c"
     }
 }

Makefile

@@ -25,7 +25,7 @@ road: bin/back
 mem: bin/back
 	valgrind --leak-check=full ./bin/back levels/test.txt bots/dumb bots/dumb2 bots/dumb3 bots/dumb4
 
-bin/back: obj/main.o obj/display.o obj/base.o obj/collisions.o obj/cars.o obj/rooms.o obj/structure.o
+bin/back: obj/main.o obj/display.o obj/base.o obj/collisions.o obj/music.o obj/cars.o obj/rooms.o obj/structure.o
 	mkdir -p bin
 	$(CC) $(FLAGS) $^ $(LFLAGS) -o $@
 
@@ -37,6 +37,7 @@ obj/main.o: src/main.c
 obj/display.o: src/display.c
 obj/base.o: src/base.c
 obj/cars.o: src/cars.c
+obj/music.o: src/music.c
 obj/rooms.o: src/rooms.c
 obj/collisions.o: src/collisions.c
 obj/structure.o: src/structure.c

answer.txt

@@ -1 +1 @@
-288 75
+271 90

lastActions.txt

@@ -1,22 +1,53 @@
-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
+-91.598146 124.327144
+142.266681 -23.083685
+80.023571 -110.291019
+-209.326753 22.630339
+68.505747 119.501330
+107.060380 -114.069708
+-70.233012 -101.577163
+147.160673 -72.086463
+-140.110322 106.226989
+135.086455 98.172637
+56.107652 105.827274
+35.854738 -152.398792
+132.320996 -67.163737
+176.181947 66.489059
+130.017074 -31.088727
+66.243545 115.114005
+145.260991 -91.403980
+-69.982160 -182.672565
+35.887790 -183.222296
+108.756771 95.947835
+-49.680253 -115.091637
+58.894910 114.835148
+99.088389 -156.633565
+-187.977088 -51.719528
+-104.449063 -91.836921
+-107.925240 138.542331
+-94.113722 79.680583
+-97.214088 -68.731116
+-100.166986 -61.714426
+-115.272316 110.207498
+-96.395609 -136.982500
+-43.753892 -133.340136
+-66.862857 105.898787
+91.865015 121.247073
+-95.201198 111.796966
+37.801519 -111.152427
+53.162045 174.621969
+-83.439530 168.654458
+86.164970 159.092863
+-62.380427 -152.204942
+17.433048 133.218210
+-105.950486 88.326322
+-47.503687 -175.362014
+-63.992977 156.620065
+-155.337407 -113.318321
+114.800901 120.609239
+-11.129331 -159.843313
+79.955484 139.639897
+-150.338137 27.027579
+-165.852701 9.876618
+-166.712365 85.606507
+102.833309 109.163228
+-16.456985 -187.091529

leaderboard.txt

@@ -1,7 +1,7 @@
 name, elo
-./bots/dumb 1637
-./bots/dumb2 1592
-./bots/dumb3 1611
-./bots/dumb4 1519
+./bots/dumb 1656
+./bots/dumb2 1542
+./bots/dumb3 1633
+./bots/dumb4 1481
 ./bots/dumb5 540
 ./bots/dumb6 562

output.txt

@@ -1,12 +1,16 @@
 4
-0 (2 0) (10.04 51.32)
-1 (2 0) (32.42 40.43)
-2 (2 0) (72.81 52.36)
-3 (0 0) (89.50 92.97)
+0 (3 0) (22.26 39.65)
+1 (1 3) (20.14 43.41)
+2 (2 0) (27.37 58.70)
+3 (2 0) (73.15 83.07)
 [3]
 
-1 3
-S1E
+5 5
+..S14
+....0
+...35
+.E15.
+.....
 
 100 200 5 0.90 0.80 0.20
 

sound/compilation.sh

@@ -0,0 +1 @@
+gcc sound/playsound.c -lSDL2 -o sound/music

sound/playsound.c

@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <assert.h>
+#include <time.h>
+#include <SDL2/SDL.h>
+
+int can_pass(char* filename) {
+    FILE* ptr = fopen(filename, "r");
+    char c = fgetc(ptr);
+    fclose(ptr);
+    return (c != '0');
+}
+
+int main(int argc, char** argv) {
+    assert(argc == 2);
+    if(SDL_Init(SDL_INIT_AUDIO)) {fprintf(stderr, "cannot initialize audio");exit(1);}
+    SDL_AudioSpec wavSpec;
+    Uint32 wavLength;
+    Uint8 *wavBuffer;
+    SDL_LoadWAV(argv[1], &wavSpec, &wavBuffer, &wavLength);
+    SDL_AudioDeviceID deviceId = SDL_OpenAudioDevice(NULL, 0, &wavSpec, NULL, 0);
+    int success = SDL_QueueAudio(deviceId, wavBuffer, wavLength);
+    SDL_PauseAudioDevice(deviceId, 0);
+    clock_t start = clock();
+    clock_t finish = clock();
+    while((double)finish - (double)start < (wavLength)/44100.0*100000.0 && can_pass("sound/sem.txt")) {
+        usleep(10000);
+        finish = clock();
+    }
+    //usleep((int)((wavLength)/44100.0*100000.0));
+    SDL_CloseAudioDevice(deviceId);
+    SDL_FreeWAV(wavBuffer);
+    SDL_Quit();
+    return 0;
+}
+// yummy

sound/sem.txt

@@ -0,0 +1 @@
+1

src/collisions.c

@@ -12,8 +12,9 @@
 #include <SDL2/SDL_image.h>
 
 #include "structure.h"
-#include "cars.h"
 #include "base.h"
+#include "cars.h"
+#include "music.h"
 #include "collisions.h"
 
 // use after updating the position
@@ -311,6 +312,7 @@ void hasWon(int nPl, int* ranks, int* incr) {
         if(winners[nPl]==1 && ranks[nPl] == nPlayers) {
             ranks[nPl] = nextRank;
             *incr += 1;
+            play_sound("sound/audio/kahoot_10s.wav");
         }
         if(winners[nPl]==1 && remainingTurns == -1) {
             remainingTurns = 4;

src/main.c

@@ -13,6 +13,7 @@
 
 #include "structure.h"
 #include "base.h"
+#include "music.h"
 #include "display.h"
 #include "collisions.h"
 #include "rooms.h"
@@ -166,6 +167,7 @@ int main(int argc, char** argv) {
 
     import_letters(rend);
     import_digits(rend);
+    init_music();
     // ---------------------------- //
     //stage_file("levels/stage.txt");
     level* stage = parse_level(argv[1]);
@@ -255,6 +257,7 @@ int main(int argc, char** argv) {
     free_level(stage);
     freePath(pth);
     fclose(save);
+    end_music();
     for(int k = 0; k < N_PLAYERS; k++) {
         free(execs[k]);
     }

src/music.c

@@ -0,0 +1,133 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <math.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <termios.h>
+#include <limits.h>
+#include <time.h>
+#include <pthread.h>
+#include <stdatomic.h>
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_image.h>
+
+#include "structure.h"
+#include "base.h"
+#include "music.h"
+
+static pthread_t threads[32];
+static bool threadIsFree[32];
+static int threadID;
+
+static int thrID;
+
+pthread_mutex_t lock;
+
+void init_music() {
+    pthread_mutex_init(&lock, NULL);
+    threadID = 0;
+    for(int k = 0; k < 32; k++) {
+        threadIsFree[k] = true;
+    }
+}
+
+void end_music() {
+    pthread_mutex_destroy(&lock);
+
+    FILE* endptr = fopen("sound/sem.txt", "w");
+    fprintf(endptr, "0");
+    fclose(endptr);
+
+    usleep(100000);
+
+    FILE* stptr = fopen("sound/sem.txt", "w");
+    fprintf(stptr, "1");
+    fclose(stptr);
+
+    for(int k = 0; k < 32; k++) {
+        if(!threadIsFree[k]) {
+            printf("[pthread] killing %d\n", k);
+            pthread_cancel(threads[k]);
+        }
+    }
+}
+
+void reset_music() {
+    FILE* endptr = fopen("sound/sem.txt", "w");
+    fprintf(endptr, "0");
+    fclose(endptr);
+
+    usleep(100000);
+
+    FILE* stptr = fopen("sound/sem.txt", "w");
+    fprintf(stptr, "1");
+    fclose(stptr);
+}
+
+char* get_name(char* filename) {
+    char* res = malloc(sizeof(char)*100);
+    res[0] = '.';
+    res[1] = '/';
+    res[2] = 's';
+    res[3] = 'o';
+    res[4] = 'u';
+    res[5] = 'n';
+    res[6] = 'd';
+    res[7] = '/';
+    res[8] = 'm';
+    res[9] = 'u';
+    res[10] = 's';
+    res[11] = 'i';
+    res[12] = 'c';
+    res[13] = ' ';
+    int k = 14;
+    while(k < 99 &&filename[k-14] != '\0') {
+        res[k] = filename[k-14];
+        k += 1;
+    }
+    res[k] = '\0';
+    return res;
+}
+
+void* mainMusic(void* arg) {
+    int localThreadID = thrID;
+    char* name = get_name((char*)arg);
+    int i=0;
+    //while(name[i] != '\0') {
+    //    printf("%c", name[i]);
+    //    i +=1;
+    //}
+    system(name);
+    free(name);
+    threadIsFree[localThreadID] = true;
+    //printf("thread %d is done\n", localThreadID);
+    return NULL;
+}
+
+bool get_id(int* res) {
+    int lp = 0;
+    while(lp < 32) {
+        if(threadIsFree[(lp+threadID)%32]) {
+            *res = (lp+threadID)%32;
+            return true;
+        }
+        lp += 1;
+    }
+    return false;
+}
+
+void play_sound(char* filename) {
+    pthread_mutex_lock(&lock);
+    int id;
+    if(get_id(&id)) {
+        //printf("[music] %d\n");
+        threadIsFree[id] = false;
+        thrID = id;
+        threadID += 1;
+        pthread_create(&threads[id], NULL, mainMusic, filename);
+    } else {
+        fprintf(stderr, "WARNING : cannot play audio %s (out of space)\n", filename);
+    }
+    pthread_mutex_unlock(&lock);
+}

src/music.h

@@ -0,0 +1,10 @@
+#ifndef MUSIC_H
+#define MUSIC_H
+
+void init_music();
+void reset_music();
+void end_music();
+
+void play_sound(char* filename);
+
+#endif

tempLeader.txt

@@ -1,7 +1,7 @@
 name, elo
-./bots/dumb 1637
-./bots/dumb2 1592
-./bots/dumb3 1611
-./bots/dumb4 1519
+./bots/dumb 1656
+./bots/dumb2 1542
+./bots/dumb3 1633
+./bots/dumb4 1481
 ./bots/dumb5 540
 ./bots/dumb6 562