Slight reconstruction/abstraction. Getting close to connecting to other sessions etc.

src/instance/game_instance.c

@@ -0,0 +1,87 @@
+#include "game_instance.h"
+
+#include <assert.h>
+
+#define INPUT_QUEUE_CAPACITY 8
+
+void game_instance_init(Game_Instance *instance) {
+    instance->local_player_index = 0xFFFF;
+    // TODO: SS - Init input-queue.
+    instance->simulation_accumulator = 0.0f; // TODO: SS - Should probably be moved to the Ingame context.
+    instance->game_session = NULL;
+    memset(&instance->game_networking, 0, sizeof(Game_Networking));
+
+    squeue_init(&instance->local_input_queue, 4, sizeof(Simulation_Game_Input));
+}
+
+void game_instance_dispose(Game_Instance *instance) {
+    squeue_free(&instance->local_input_queue);
+}
+
+bool game_instance_host_session(Game_Instance *instance, const Game_Session_Settings settings) {
+    assert(instance != NULL);
+    
+    printf("Trying to host an %s session ...\n", settings.online ? "online" : "offline");
+
+    if(instance->game_session != NULL) {
+        printf("Failed. A session is already active.\n");
+        return false;
+    }
+
+    instance->game_session = (Game_Session *)calloc(1, sizeof(Game_Session));
+
+    if(settings.online) {
+        if(instance->game_networking.api != NULL) {
+            printf("Failed. Network is already active.\n");
+            free(instance->game_session);
+            instance->game_session = NULL;
+            return false;
+        }
+        
+        if(!networking_try_host(&instance->game_networking, instance->game_session, settings)) {
+            printf("Failed to host session.\n");
+            free(instance->game_session);
+            instance->game_session = NULL;
+            return false;
+        }
+    }
+    else {
+        game_session_init(instance->game_session, settings);
+    }
+    
+    assert(game_session_create_player(instance->game_session, &instance->local_player_index)); // Create the host (you!).
+    
+    return true;
+}
+
+bool game_instance_join_session(Game_Instance *instance, const char *session_id) {
+    assert(instance != NULL);
+
+    printf("Trying to join a session ...\n");
+
+    if(instance->game_session != NULL) {
+        printf("Failed. A session is already active.\n");
+        return false;
+    }
+
+    if(instance->game_networking.api != NULL) {
+        printf("Failed. Network is already active.\n");
+        return false;
+    }
+    
+    return false;
+}
+
+bool game_instance_push_local_input(Game_Instance *instance, Simulation_Game_Input input) {
+    return squeue_push(&instance->local_input_queue, (void *)&input);
+}
+
+bool game_instance_pop_local_input(Game_Instance *instance, Simulation_Game_Input *out_input) {
+    Simulation_Game_Input input = {0};
+    if(!squeue_pop(&instance->local_input_queue, (void *)&input)) {
+        return false;
+    }
+
+    *out_input = input;
+    return true;
+}