Merge pull request #107 from WaywardHeart/patches

Add a "patches" option to the config.

mkxp.json

@@ -331,6 +331,14 @@
     //         "/path/to/rtp2.zip",
     //         "/path/to/game.rgssad"],
 
+    // Similar to the RTP option, except items are loaded before
+    // the game archive and folder, for incremental game updates
+    // or modding.
+    // (default: none)
+    //
+    // "patches": ["/path/to/patch1.zip",
+    //         "/path/to/patch2"],
+
 
     // Use the script's name as filename in warnings and error messages
     // (default: enabled)

src/config.cpp

@@ -180,6 +180,7 @@ void Config::read(int argc, char *argv[]) {
         {"useScriptNames", true},
         {"preloadScript", json::array({})},
         {"RTP", json::array({})},
+        {"patches", json::array({})},
         {"fontSub", json::array({})},
         {"rubyLoadpath", json::array({})},
         {"JITEnable", false},
@@ -298,6 +299,7 @@ try { exp } catch (...) {}
     
     fillStringVec(opts["preloadScript"], preloadScripts);
     fillStringVec(opts["RTP"], rtps);
+    fillStringVec(opts["patches"], patches);
     fillStringVec(opts["fontSub"], fontSubs);
     for (std::string & fontSub : fontSubs)
         std::transform(fontSub.begin(), fontSub.end(), fontSub.begin(),

src/config.h

@@ -106,6 +106,7 @@ struct Config {
     std::vector<std::string> launchArgs;
     std::vector<std::string> preloadScripts;
     std::vector<std::string> rtps;
+    std::vector<std::string> patches;
     
     std::vector<std::string> fontSubs;
     

src/sharedstate.cpp

@@ -125,6 +125,9 @@ struct SharedStatePrivate
 
 		std::string archPath = config.execName + gameArchExt();
 
+		for (size_t i = 0; i < config.patches.size(); ++i)
+			fileSystem.addPath(config.patches[i].c_str());
+
 		/* Check if a game archive exists */
 		FILE *tmp = fopen(archPath.c_str(), "rb");
 		if (tmp)