Merge pull request #62 from nadenislamarre/evdev-keys

evdev: add technical input values

Makefile

@@ -1,7 +1,8 @@
-CC = gcc -m32 -pthread
-CFLAGS = -g -fPIC -m32 -Wall -Werror -Wno-misleading-indentation -Wno-unused-but-set-variable -Wno-unused-variable -Wno-unused-function -D_GNU_SOURCE -Wno-char-subscripts
-LD = g++ -m32
-LDFLAGS = -Wl,-z,defs -rdynamic -static-libgcc -lc -ldl -lGL -lglut -lX11 -lSDL2 -lm -lpthread -shared -nostdlib -lasound -L./src/libxdiff -lxdiff
+CC ?= gcc
+CFLAGS = -g -fPIC -m32 -pthread -Wall -Werror -Wno-misleading-indentation -Wno-unused-but-set-variable -Wno-unused-variable -Wno-unused-function -D_GNU_SOURCE -Wno-char-subscripts
+CXX ?= g++
+LD = $(CXX) 
+LDFLAGS = -m32 -Wl,-z,defs -rdynamic -static-libgcc -lc -ldl -lGL -lglut -lX11 -lXcursor -lSDL2 -lm -lpthread -shared -nostdlib -lasound -L./src/libxdiff -lxdiff -L/app/lib32
 
 BUILD = build
 
@@ -17,14 +18,14 @@ all: lindbergh libxdiff.a lindbergh.so libsegaapi.so libkswapapi.so libposixtime
 
 lindbergh: src/lindbergh/lindbergh.c src/lindbergh/log.c src/lindbergh/log.h src/lindbergh/jvs.c src/lindbergh/jvs.h src/lindbergh/config.h src/lindbergh/config.c src/lindbergh/evdevinput.h src/lindbergh/evdevinput.c
 	mkdir -p $(BUILD)
-	$(CC) src/lindbergh/lindbergh.c src/lindbergh/log.h src/lindbergh/log.c src/lindbergh/jvs.h src/lindbergh/jvs.c src/lindbergh/config.h src/lindbergh/config.c src/lindbergh/evdevinput.c src/lindbergh/evdevinput.h -o $(BUILD)/lindbergh -lm
+	$(CC) -m32 src/lindbergh/lindbergh.c src/lindbergh/log.h src/lindbergh/log.c src/lindbergh/jvs.h src/lindbergh/jvs.c src/lindbergh/config.h src/lindbergh/config.c src/lindbergh/evdevinput.c src/lindbergh/evdevinput.h -o $(BUILD)/lindbergh -lm
 
 libxdiff.a: $(XDIFF_OBJS)
 	mkdir -p $(BUILD)
 	ar rcs src/libxdiff/libxdiff.a $(XDIFF_OBJS)
 
 src/libxdiff/xdiff/%.o: src/libxdiff/xdiff/%.c
-	$(CC) -DHAVE_CONFIG_H -fPIC -c $< -o $@
+	$(CC) -m32 -DHAVE_CONFIG_H -fPIC -c $< -o $@
 
 lindbergh.so: $(OBJS)
 	mkdir -p $(BUILD)
@@ -34,13 +35,13 @@ lindbergh.so: $(OBJS)
 	$(CC) $(CFLAGS) -c $< -o $@
 
 libsegaapi.so: src/libsegaapi/libsegaapi.o
-	gcc -m32 -O0 -g src/libsegaapi/libsegaapi.c -lFAudio -fPIC -shared -o $(BUILD)/libsegaapi.so
+	$(CC) -m32 -O0 -g src/libsegaapi/libsegaapi.c -lFAudio -L/app/lib32 -fPIC -shared -o $(BUILD)/libsegaapi.so
 
 libkswapapi.so: src/libkswapapi/libkswapapi.o
-	$(CC) src/libkswapapi/libkswapapi.o -fPIC -shared -o $(BUILD)/libkswapapi.so
+	$(CC) -m32 src/libkswapapi/libkswapapi.o -fPIC -shared -o $(BUILD)/libkswapapi.so
 
 libposixtime.so:
-	$(CC) src/libposixtime/libposixtime.c src/libposixtime/libposixtime.h -m32 -shared -o $(BUILD)/libposixtime.so
+	$(CC) -m32 src/libposixtime/libposixtime.c src/libposixtime/libposixtime.h -m32 -shared -o $(BUILD)/libposixtime.so
 	ln -s -f libposixtime.so $(BUILD)/libposixtime.so.1
 	ln -s -f libposixtime.so $(BUILD)/libposixtime.so.2.4
 

src/lindbergh/config.c

@@ -1339,6 +1339,8 @@ int readConfig(FILE *configFile, EmulatorConfig *config)
             strncpy(config->arcadeInputs.player1_button_9, getNextToken(NULL, " ", &saveptr), INPUT_STRING_LENGTH - 1);
         else if (strcmp(command, "PLAYER_1_BUTTON_10") == 0)
             strncpy(config->arcadeInputs.player1_button_10, getNextToken(NULL, " ", &saveptr), INPUT_STRING_LENGTH - 1);
+        else if (strcmp(command, "PLAYER_1_COIN") == 0)
+            strncpy(config->arcadeInputs.player1_coin, getNextToken(NULL, " ", &saveptr), INPUT_STRING_LENGTH - 1);
 
         // Player 2 controls
         else if (strcmp(command, "PLAYER_2_BUTTON_START") == 0)

src/lindbergh/config.h

@@ -183,6 +183,7 @@ typedef struct {
     char player1_button_8[INPUT_STRING_LENGTH];
     char player1_button_9[INPUT_STRING_LENGTH];
     char player1_button_10[INPUT_STRING_LENGTH];
+    char player1_coin[INPUT_STRING_LENGTH];
 
     // Player 2 controls
     char player2_button_start[INPUT_STRING_LENGTH];

src/lindbergh/evdevinput.c

@@ -41,6 +41,7 @@ ArcadeInput arcadeInputs[] = {{"TEST_BUTTON", 0, BUTTON_TEST, 1},
                               {"PLAYER_1_BUTTON_8", 1, BUTTON_8, 1},
                               {"PLAYER_1_BUTTON_9", 1, BUTTON_9, 1},
                               {"PLAYER_1_BUTTON_10", 1, BUTTON_10, 1},
+                              {"PLAYER_1_COIN", 1, COIN, 1},
 
                               {"PLAYER_2_BUTTON_START", 2, BUTTON_START, 1},
                               {"PLAYER_2_BUTTON_SERVICE", 2, BUTTON_SERVICE, 1},
@@ -920,14 +921,18 @@ static ControllerStatus listControllers(Controllers *controllers)
                     strcat(controllerInput->inputName, "_");
                     strcat(controllerInput->inputName, codename(EV_KEY, code));
                     normaliseName(controllerInput->inputName);
+                    if(snprintf(controllerInput->inputTechName, SIZE, "%s:KEY:%i", controllers->controller[i].path, code) >= 1024) {
+                      // hum ok, truncated value
+                    }
+		    strcpy(controllerInput->inputTechNegName, "-"); // unassignable value (not "" while some conf are empty)
                 }
             }
         }
 
         if (test_bit(EV_ABS, bit[0]))
         {
-            ioctl(controller, EVIOCGBIT(EV_ABS, KEY_MAX), bit[EV_ABS]);
-            for (int code = 0; code < KEY_MAX; code++)
+            ioctl(controller, EVIOCGBIT(EV_ABS, ABS_MAX), bit[EV_ABS]);
+            for (int code = 0; code < ABS_MAX; code++)
             {
                 if (test_bit(code, bit[EV_ABS]))
                 {
@@ -941,6 +946,12 @@ static ControllerStatus listControllers(Controllers *controllers)
                     strcat(controllerInput->inputName, "_");
                     strcat(controllerInput->inputName, codename(EV_ABS, code));
                     normaliseName(controllerInput->inputName);
+                    if(snprintf(controllerInput->inputTechName, SIZE, "%s:ABS:%i", controllers->controller[i].path, code) >= 1024) {
+                      // hum ok, truncated value
+                    }
+                    if(snprintf(controllerInput->inputTechNegName, SIZE, "%s:ABS_NEG:%i", controllers->controller[i].path, code) >= 1024) {
+                      // hum ok, truncated value
+                    }
 
                     ControllerInput *minControllerInput =
                         &controllers->controller[i].inputs[controllers->controller[i].inputCount++];
@@ -949,6 +960,12 @@ static ControllerStatus listControllers(Controllers *controllers)
                     minControllerInput->specialFunction = ANALOGUE_TO_DIGITAL_MIN;
                     strcpy(minControllerInput->inputName, controllerInput->inputName);
                     strcat(minControllerInput->inputName, "_MIN");
+                    if(snprintf(minControllerInput->inputTechName, SIZE, "%s:ABS:%i:MIN", controllers->controller[i].path, code) >= 1024) {
+                      // hum ok, truncated value
+                    }
+                    if(snprintf(minControllerInput->inputTechNegName, SIZE, "%s:ABS_NEG:%i:MIN", controllers->controller[i].path, code) >= 1024) {
+                      // hum ok, truncated value
+                    }
 
                     ControllerInput *maxControllerInput =
                         &controllers->controller[i].inputs[controllers->controller[i].inputCount++];
@@ -957,6 +974,23 @@ static ControllerStatus listControllers(Controllers *controllers)
                     maxControllerInput->specialFunction = ANALOGUE_TO_DIGITAL_MAX;
                     strcpy(maxControllerInput->inputName, controllerInput->inputName);
                     strcat(maxControllerInput->inputName, "_MAX");
+                    if(snprintf(maxControllerInput->inputTechName, SIZE, "%s:ABS:%i:MAX", controllers->controller[i].path, code) >= 1024) {
+                      // hum ok, truncated value
+                    }
+                    if(snprintf(maxControllerInput->inputTechNegName, SIZE, "%s:ABS_NEG:%i:MAX", controllers->controller[i].path, code) >= 1024) {
+                      // hum ok, truncated value
+                    }
+
+		    ControllerInput *shakeControllerInput =
+		      &controllers->controller[i].inputs[controllers->controller[i].inputCount++];
+                    shakeControllerInput->evType = EV_ABS;
+                    shakeControllerInput->evCode = code;
+                    shakeControllerInput->specialFunction = ANALOGUE_SHAKE;
+                    strcpy(shakeControllerInput->inputName, controllerInput->inputName);
+                    strcat(shakeControllerInput->inputName, "_SHAKE");
+                    if(snprintf(shakeControllerInput->inputTechName, SIZE, "%s:ABS:%i:SHAKE", controllers->controller[i].path, code) >= 1024) {
+                      // hum ok, truncated value
+                    }
 
                     struct input_absinfo absoluteFeatures;
                     ioctl(controller, EVIOCGABS(code), &absoluteFeatures);
@@ -1048,8 +1082,13 @@ void *controllerThread(void *_args)
                     continue;
                 }
 
-                setSwitch(args->controller->keyTriggers[event.code].player,
-                          args->controller->keyTriggers[event.code].channel, event.value == 0 ? 0 : 1);
+                if(args->controller->keyTriggers[event.code].isCoin == 1) {
+                  if(event.value == 1)
+                    incrementCoin(args->controller->keyTriggers[event.code].player, 1);
+                } else
+                  setSwitch(args->controller->keyTriggers[event.code].player,
+                            args->controller->keyTriggers[event.code].channel, event.value == 0 ? 0 : 1);
+
             }
             break;
 
@@ -1059,31 +1098,67 @@ void *controllerThread(void *_args)
                     ((double)event.value - (double)args->controller->absMin[event.code]) /
                     ((double)args->controller->absMax[event.code] - (double)args->controller->absMin[event.code]);
 
+                if(args->controller->absTriggers[event.code].isNeg == 1) {
+                  scaled = 1.0 - scaled;
+                }
+
                 if (args->controller->absTriggers[event.code].enabled)
                 {
                     int channel = args->controller->absTriggers[event.code].channel;
-                    // Deadzone handling
-                    if (scaled < analogue_deadzones[channel].start_max)
+
+		    if (args->controller->absTriggers[event.code].isAnalogue) {
+		      // Deadzone handling
+		      if (scaled < analogue_deadzones[channel].start_max)
                         scaled = 0.0;
-                    if (scaled > analogue_deadzones[channel].middle_min && scaled < analogue_deadzones[channel].middle_max)
+		      if (scaled > analogue_deadzones[channel].middle_min && scaled < analogue_deadzones[channel].middle_max)
                         scaled = 0.5;
-                    if (scaled > analogue_deadzones[channel].end_min)
+		      if (scaled > analogue_deadzones[channel].end_min)
                         scaled = 1.0;
-
-                    setAnalogue(channel, scaled * (pow(2, jvsBits) - 1));
+		      setAnalogue(channel, scaled * (pow(2, jvsBits) - 1));
+		    } else {
+		      setSwitch(args->controller->absTriggers[event.code].player,
+				args->controller->absTriggers[event.code].channel, scaled < 0.8 ? 0 : 1);
+		    }
                 }
 
-                if (args->controller->absTriggers[event.code].minEnabled)
-                {
-                    setSwitch(args->controller->absTriggers[event.code].minPlayer,
-                              args->controller->absTriggers[event.code].minChannel, scaled < 0.2);
+                if(event.value <= ((args->controller->absMin[event.code] + args->controller->absMax[event.code]) / 2)) {
+                  if (args->controller->absTriggers[event.code].minEnabled)
+                    {
+                      int channel = args->controller->absTriggers[event.code].minChannel;
+
+		      if (args->controller->absTriggers[event.code].isAnalogue) {
+			setAnalogue(channel, scaled < 0.2 ? 0.0 : pow(2, jvsBits) * 1.0);
+		      } else {
+			setSwitch(args->controller->absTriggers[event.code].minPlayer,
+				  args->controller->absTriggers[event.code].minChannel, scaled < 0.2 ? 1 : 0);
+		      }
+                    }
                 }
 
-                if (args->controller->absTriggers[event.code].maxEnabled)
-                {
-                    setSwitch(args->controller->absTriggers[event.code].maxPlayer,
-                              args->controller->absTriggers[event.code].maxChannel, scaled > 0.8);
+                if(event.value >= ((args->controller->absMin[event.code] + args->controller->absMax[event.code]) / 2)) {
+                  if (args->controller->absTriggers[event.code].maxEnabled)
+                    {
+                       int channel = args->controller->absTriggers[event.code].maxChannel;
+
+		       if (args->controller->absTriggers[event.code].isAnalogue) {
+			 setAnalogue(channel, scaled > 0.8 ? pow(2, jvsBits) : 0.0);
+		       } else {
+			setSwitch(args->controller->absTriggers[event.code].maxPlayer,
+				  args->controller->absTriggers[event.code].maxChannel, scaled > 0.8 ? 1 : 0);
+		      }
+                    }
                 }
+		if (args->controller->absTriggers[event.code].shakeEnabled)
+		  {
+		    int channel = args->controller->absTriggers[event.code].shakeChannel;
+		    if( (scaled > args->controller->absTriggers[event.code].shakePreviousScaled &&  scaled - args->controller->absTriggers[event.code].shakePreviousScaled > 0.1) ||
+			(scaled < args->controller->absTriggers[event.code].shakePreviousScaled && -scaled + args->controller->absTriggers[event.code].shakePreviousScaled > 0.1)) {
+		      setAnalogue(channel, 0);
+		    } else {
+		      setAnalogue(channel, pow(2, jvsBits) / 2);
+		    }
+		    args->controller->absTriggers[event.code].shakePreviousScaled = scaled;
+		  }
             }
             break;
 
@@ -1106,6 +1181,8 @@ char *getMapping(char *mapping)
     // Test button
     if (strcmp(mapping, config->arcadeInputs.test) == 0)
         return "TEST_BUTTON";
+    if (strcmp(mapping, config->arcadeInputs.player1_coin) == 0)
+        return "PLAYER_1_COIN";
 
     // Player 1 controls
     if (strcmp(mapping, config->arcadeInputs.player1_button_start) == 0)
@@ -1232,19 +1309,35 @@ ControllerStatus startControllerThreads(Controllers *controllers)
             controllers->controller[i].absTriggers[j].enabled = 0;
             controllers->controller[i].absTriggers[j].minEnabled = 0;
             controllers->controller[i].absTriggers[j].maxEnabled = 0;
+            controllers->controller[i].absTriggers[j].shakeEnabled = 0;
+            controllers->controller[i].absTriggers[j].isNeg = 0;
+	    controllers->controller[i].absTriggers[j].isAnalogue = 1;
         }
 
         for (int j = 0; j < KEY_MAX; j++)
         {
             controllers->controller[i].keyTriggers[j].enabled = 0;
             controllers->controller[i].keyTriggers[j].isAnalogue = 0;
+            controllers->controller[i].keyTriggers[j].isCoin = 0;
         }
 
         for (int j = 0; j < controllers->controller[i].inputCount; j++)
         {
             char *mapping = getMapping(controllers->controller[i].inputs[j].inputName);
-            if (mapping == NULL)
-                continue;
+            int negabs = 0;
+
+            if (mapping == NULL) {
+              // give a 2nd chance with a techninal mapping
+              mapping = getMapping(controllers->controller[i].inputs[j].inputTechName);
+              if (mapping == NULL) {
+                // give a 3rd change with negativ technical mapping
+                mapping = getMapping(controllers->controller[i].inputs[j].inputTechNegName);
+                negabs = 1;
+                if (mapping == NULL) {
+                  continue;
+                }
+              }
+            }
 
             ArcadeInput input = {0};
             ControllerStatus status = getArcadeInputByName(mapping, &input);
@@ -1269,6 +1362,9 @@ ControllerStatus startControllerThreads(Controllers *controllers)
                            input.name);
                     controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].player =
                         input.player;
+                    controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].isNeg = negabs;
+		    if (strstr(input.name, "ANALOGUE") == NULL)
+		      controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].isAnalogue = 0;
                 }
                 break;
 
@@ -1281,6 +1377,9 @@ ControllerStatus startControllerThreads(Controllers *controllers)
                            input.name);
                     controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].maxPlayer =
                         input.player;
+                    controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].isNeg = negabs;
+		    if (strstr(input.name, "ANALOGUE") == NULL)
+		      controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].isAnalogue = 0;
                 }
                 break;
 
@@ -1293,6 +1392,21 @@ ControllerStatus startControllerThreads(Controllers *controllers)
                            input.name);
                     controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].minPlayer =
                         input.player;
+                    controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].isNeg = negabs;
+		    if (strstr(input.name, "ANALOGUE") == NULL)
+		      controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].isAnalogue = 0;
+                }
+                break;
+
+                case ANALOGUE_SHAKE:
+                {
+                    controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].shakeEnabled = 1;
+                    controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].shakeChannel =
+                        input.channel;
+                    strcpy(controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].shakeName,
+                           input.name);
+                    controllers->controller[i].absTriggers[controllers->controller[i].inputs[j].evCode].shakePlayer =
+                        input.player;
                 }
                 break;
 
@@ -1314,6 +1428,10 @@ ControllerStatus startControllerThreads(Controllers *controllers)
 
                 if (strstr(input.name, "ANALOGUE") != NULL)
                     controllers->controller[i].keyTriggers[controllers->controller[i].inputs[j].evCode].isAnalogue = 1;
+
+		if (strcmp(input.name, "PLAYER_1_COIN") == 0) {
+                    controllers->controller[i].keyTriggers[controllers->controller[i].inputs[j].evCode].isCoin = 1;
+		}
             }
             break;
 

src/lindbergh/evdevinput.h

@@ -31,6 +31,15 @@ typedef struct
     int maxEnabled;
 
     int isAnalogue;
+    int isNeg; // reversed axis
+
+    char shakeName[SIZE];
+    int shakeChannel;
+    int shakeEnabled;
+    int shakePlayer;
+    double shakePreviousScaled;
+
+    int isCoin;
 } ArcadeInput;
 
 typedef enum
@@ -43,12 +52,15 @@ typedef enum {
     NO_SPECIAL_FUNCTION = 0,
     ANALOGUE_TO_DIGITAL_MAX,
     ANALOGUE_TO_DIGITAL_MIN,
-    DIGITAL_TO_ANALOGUE
+    DIGITAL_TO_ANALOGUE,
+    ANALOGUE_SHAKE
 } SpecialFunction;
 
 typedef struct
 {
     char inputName[SIZE];
+    char inputTechName[SIZE];
+    char inputTechNegName[SIZE];
     int evType;
     int evCode;
     SpecialFunction specialFunction;

src/lindbergh/lindbergh.c

@@ -11,6 +11,7 @@
 #define LD_LIBRARY_PATH "LD_LIBRARY_PATH"
 #define LD_PRELOAD "LD_PRELOAD"
 #define PRELOAD_FILE_NAME "lindbergh.so"
+#define PRELOAD_FILE_FLATPAK "/app/lib32/lindbergh.so"
 #define TEAM "bobbydilley, retrofan, dkeruza-neo, doozer, francesco, rolel, caviar-x"
 #define LINDBERGH_CONFIG_PATH "LINDBERGH_CONFIG_PATH"
 
@@ -232,7 +233,7 @@ void testModePath(char *name)
  * Makes sure the environment variables are set correctly
  * to run the game.
  */
-void setEnvironmentVariables()
+void setEnvironmentVariables(int isFlatpak, int zink)
 {
     // Ensure the library path is set correctly
     char libraryPath[128] = {0};
@@ -249,7 +250,13 @@ void setEnvironmentVariables()
     setenv(LD_LIBRARY_PATH, libraryPath, 1);
 
     // Ensure the preload path is set correctly
-    setenv(LD_PRELOAD, PRELOAD_FILE_NAME, 1);
+    if (!isFlatpak)
+        setenv(LD_PRELOAD, PRELOAD_FILE_NAME, 1);
+    else
+        setenv(LD_PRELOAD, PRELOAD_FILE_FLATPAK, 1);
+  
+    if(zink)
+        setenv("MESA_LOADER_DRIVER_OVERRIDE", "zink", 1);
 }
 
 /**
@@ -316,9 +323,6 @@ void printVersion() {
  */
 int main(int argc, char *argv[])
 {
-    // Ensure environment variables are set correctly
-    setEnvironmentVariables();
-
     // Check for --version before directory operations
     if (argc > 1 && strcmp(argv[1], "--version") == 0) {
         printVersion();
@@ -338,6 +342,7 @@ int main(int argc, char *argv[])
     char *game = NULL;
 
     int lindberghSharedObjectFound = 0;
+    int isFlatpak = 0;
 
     while ((ent = readdir(dir)) != NULL)
     {
@@ -385,14 +390,24 @@ int main(int argc, char *argv[])
 
     if (!lindberghSharedObjectFound)
     {
-        log_error("The preload object lindbergh.so was not found in this directory.");
-        return EXIT_FAILURE;
+        FILE *file = fopen(PRELOAD_FILE_FLATPAK, "r");
+        if (file)
+        {
+            fclose(file);
+            isFlatpak = 1;
+        }
+        else
+        {
+            log_error("The preload object lindbergh.so was not found in this directory.");
+            return EXIT_FAILURE;
+        }
     }
 
     // Build up the command to start the game
 
     int testMode = 0;
     int gdb = 0;
+    int zink = 0;
     int forceGame = 0;
     int segaboot = 0;
     char extConfigPath[PATH_MAX] = {0};
@@ -417,6 +432,13 @@ int main(int argc, char *argv[])
             gdb = 1;
             continue;
         }
+
+        if (strcmp(argv[i], "--zink") == 0)
+        {
+            zink = 1;
+            continue;
+        }
+      
         if (strcmp(argv[i], "-c") == 0 || strcmp(argv[i], "--config") == 0)
         {
             if (i+1 >= argc)
@@ -432,6 +454,9 @@ int main(int argc, char *argv[])
         forceGame = 1;
     }
 
+    // Ensure environment variables are set correctly
+    setEnvironmentVariables(isFlatpak, zink);
+  
     char command[128] = {0};
     strcpy(command, "./");
     if (forceGame)

src/lindbergh/shader_patches.c

@@ -1432,16 +1432,30 @@ int parseCgcArgs(const char *input, const char ***compilerArgs, const char **out
 
 void loadLibCg()
 {
+    int isFlatpak = 0;
     void *handle = dlopen("./libCg.so", RTLD_NOW);
     if (!handle)
     {
-        fprintf(stderr, "Error: Unable to load library libCg.so %s\n", dlerror());
-        fprintf(stderr, "Error: libCg.so version 2.0 is needed to compile the shaders in the game's folder.\n");
-        exit(1);
+        handle = dlopen("/app/lib32/libCg2.so", RTLD_NOW);
+        if (!handle)
+        {
+            fprintf(stderr, "Error: Unable to load library libCg.so %s\n", dlerror());
+            fprintf(stderr, "Error: libCg.so version 2.0 is needed to compile the shaders in the game's folder.\n");
+            exit(1);
+        }
+        else
+        {
+            isFlatpak = 1;
+        }
     }
 
     char libCgVersion[9];
-    FILE *libF = fopen("./libCg.so", "r");
+    FILE *libF;
+    if (isFlatpak)
+        libF = fopen("/app/lib32/libCg2.so", "r");
+    else
+        libF = fopen("./libCg.so", "r");
+
     fseek(libF, 0x226d84, SEEK_SET);
     fread(libCgVersion, 9, 1, libF);
     fclose(libF);

src/lindbergh/stb_image.h

@@ -702,14 +702,14 @@ static int stbi__sse2_available()
 
 static int stbi__sse2_available()
 {
-#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 408 // GCC 4.8 or later
+//#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 408 // GCC 4.8 or later
    // GCC 4.8+ has a nice way to do this
-   return __builtin_cpu_supports("sse2");
-#else
+   //return __builtin_cpu_supports("sse2");
+//#else
    // portable way to do this, preferably without using GCC inline ASM?
    // just bail for now.
    return 0;
-#endif
+//#endif
 }
 #endif
 #endif