Hopefully last commit

util/gamestate.c

@@ -0,0 +1,61 @@
+//
+// Created by bruno on 11.6.2025.
+//
+
+#include "gamestate.h"
+
+GameState gameState;
+
+char *autosaveName = "autosave.dat";
+
+int loadGameState(char *filename, Player *plr) {
+    fflush(stdout);
+    FILE *gameSave = fopen(filename, "rb");
+    if (gameSave) {
+        fseek(gameSave, 0L, SEEK_END);
+        long sz = ftell(gameSave);
+        if (sz != sizeof(gameState)) {
+            return 1;
+        }
+        rewind(gameSave);
+        fread(&gameState, sizeof(gameState), 1, gameSave);
+        fclose(gameSave);
+        memcpy(plr, &gameState.player, sizeof(gameState.player));
+        memcpy(tileMap, gameState.tileMap, sizeof(tileMap));
+        memcpy(backgroundMap, gameState.backgroundTileMap, sizeof(backgroundMap));
+        SDL_Rect *tmp = audioData.playerRect;
+        memcpy(&audioData, &gameState.audioData, sizeof(gameState.audioData));
+        audioData.playerRect = tmp;
+        audioData.totalSamples = 0;
+        memcpy(&neededUpdates, &gameState.neededUpdates, sizeof(gameState.neededUpdates));
+        memcpy(&entities, &gameState.entities, sizeof(gameState.entities));
+        openCount = gameState.openCount;
+        memcpy(&openList, &gameState.openList, sizeof(gameState.openList));
+        memcpy(&enemySpawn, &gameState.enemySpawn, sizeof(gameState.enemySpawn));
+        plr->cursor.targetTile = NULL;
+        plr->cursor.prevTargetTile = NULL;
+        return 0;
+    }
+    return 1;
+}
+
+void saveGameState(char *filename, Player *plr) {
+    memcpy(&gameState.player, plr, sizeof(gameState.player));
+    memcpy(gameState.tileMap, tileMap, sizeof(gameState.tileMap));
+    memcpy(gameState.backgroundTileMap, backgroundMap, sizeof(gameState.backgroundTileMap));
+    memcpy(&gameState.audioData, &audioData, sizeof(gameState.audioData));
+    memcpy(&gameState.neededUpdates, &neededUpdates, sizeof(neededUpdates));
+    memcpy(&gameState.entities, &entities, sizeof(entities));
+    memcpy(&gameState.openList, &openList, sizeof(openList));
+    memcpy(&gameState.enemySpawn, &enemySpawn, sizeof(enemySpawn));
+    gameState.openCount = openCount;
+
+    FILE *gameSave = fopen(filename, "wb");
+    if (!gameSave) {
+        perror("Failed to open file for saving");
+        return;
+    }
+
+    fwrite(&gameState, sizeof(gameState), 1, gameSave);
+    fclose(gameSave);
+}