configurable number of post-process shader passes

3 files changed, 20 insertions, 4 deletions

diff --git a/source/client/StarClientApplication.cpp b/source/client/StarClientApplication.cpp
index 3c7ec8d..7c1af16 100644
--- a/source/client/StarClientApplication.cpp
+++ b/source/client/StarClientApplication.cpp
@@ -492,6 +492,7 @@ void ClientApplication::renderReload() {
   
   // define post process layers and optionally assign them to groups
   m_postProcessLayers.clear();
+  m_labelledPostProcessLayers.clear();
   auto postProcessLayers = assets->json("/client.config:postProcessLayers").toArray();
   for (auto& layer : postProcessLayers) {
     auto effects = jsonToStringList(layer.getArray("effects"));
@@ -502,18 +503,28 @@ void ClientApplication::renderReload() {
     if (gname) {
       group = &m_postProcessGroups.get(gname.value());
     }
+    // I'd think a string map for all of these would be better, but the order does matter here, and does make sense to depend on mod priority, so...
+    // guess a string map of indices works
+    // I tried pointers but for whatever reason the behaviour was highly inconsistent and only worked after reload...
+    auto label = layer.optString("name");
+    if (label) {
+      m_labelledPostProcessLayers.add(label.value(),m_postProcessLayers.count());
+    }
     m_postProcessLayers.append(PostProcessLayer{ std::move(effects), (unsigned)layer.getUInt("passes", 1), group });
   }
 
   loadEffectConfig("interface");
 }
 
-void ClientApplication::setPostProcessGroupEnabled(String group, bool enabled, Maybe<bool> save) {
+void ClientApplication::setPostProcessLayerPasses(String const& layer, unsigned const& passes) {
+  m_postProcessLayers.at(m_labelledPostProcessLayers.get(layer)).passes = passes;
+}
+void ClientApplication::setPostProcessGroupEnabled(String const& group, bool const& enabled, Maybe<bool> const& save) {
   m_postProcessGroups.get(group).enabled = enabled;
   if (save && save.value())
     m_root->configuration()->setPath(strf("{}.{}.enabled", postProcessGroupsRoot, group),enabled);
 }
-bool ClientApplication::postProcessGroupEnabled(String group) {
+bool ClientApplication::postProcessGroupEnabled(String const& group) {
   return m_postProcessGroups.get(group).enabled;
 }
 
diff --git a/source/client/StarClientApplication.hpp b/source/client/StarClientApplication.hpp
index 86b50a3..2fcddb7 100644
--- a/source/client/StarClientApplication.hpp
+++ b/source/client/StarClientApplication.hpp
@@ -19,8 +19,9 @@ STAR_CLASS(Voice);
 
 class ClientApplication : public Application {
 public:
-  void setPostProcessGroupEnabled(String group, bool enabled, Maybe<bool> save);
-  bool postProcessGroupEnabled(String group);
+  void setPostProcessLayerPasses(String const& layer, unsigned const& passes);
+  void setPostProcessGroupEnabled(String const& group, bool const& enabled, Maybe<bool> const& save);
+  bool postProcessGroupEnabled(String const& group);
   Json postProcessGroups();
   
 protected:
@@ -116,6 +117,7 @@ private:
   
   StringMap<PostProcessGroup> m_postProcessGroups;
   List<PostProcessLayer> m_postProcessLayers;
+  StringMap<size_t> m_labelledPostProcessLayers;
 
   // Valid if main app state == SinglePlayer
   UniverseServerPtr m_universeServer;
diff --git a/source/client/StarRenderingLuaBindings.cpp b/source/client/StarRenderingLuaBindings.cpp
index 39dc1a1..4493f71 100644
--- a/source/client/StarRenderingLuaBindings.cpp
+++ b/source/client/StarRenderingLuaBindings.cpp
@@ -37,6 +37,9 @@ LuaCallbacks LuaBindings::makeRenderingCallbacks(ClientApplication* app) {
     auto renderer = app->renderer();
     return renderer->getEffectScriptableParameter(effectName, effectParameter);
   });
+  
+  // not saved; should be loaded by Lua again
+  callbacks.registerCallbackWithSignature<void, String, unsigned>("setPostProcessLayerPasses", bind(mem_fn(&ClientApplication::setPostProcessLayerPasses), app, _1, _2));
 
   return callbacks;
 }