Split shaders into their own files

some unrelated directives thing too

assets/opensb/rendering/opengl20.config

@@ -0,0 +1,38 @@
+{
+  "effectParameters" : {
+    "lightMapEnabled" : {
+      "type" : "bool",
+      "default" : false,
+      "uniform" : "lightMapEnabled"
+    },
+    "lightMapScale" : {
+      "type" : "vec2",
+      "default" : [1, 1],
+      "uniform" : "lightMapScale"
+    },
+    "lightMapOffset" : {
+      "type" : "vec2",
+      "default" : [0, 0],
+      "uniform" : "lightMapOffset"
+    },
+    "lightMapMultiplier" : {
+      "type" : "float",
+      "default" : 1.0,
+      "uniform" : "lightMapMultiplier"
+    }
+  },
+
+  "effectTextures" : {
+    "lightMap" : {
+      "textureUniform" : "lightMap",
+      "textureSizeUniform" : "lightMapSize",
+      "textureAddressing" : "clamp",
+      "textureFiltering" : "linear"
+    }
+  },
+
+  "effectShaders" : {
+    "vertex" : "opengl20.vert",
+    "fragment" : "opengl20.frag"
+  }
+}

assets/opensb/rendering/opengl20.frag

@@ -0,0 +1,75 @@
+#version 110
+
+uniform sampler2D texture0;
+uniform sampler2D texture1;
+uniform sampler2D texture2;
+uniform sampler2D texture3;
+uniform bool lightMapEnabled;
+uniform vec2 lightMapSize;
+uniform sampler2D lightMap;
+uniform float lightMapMultiplier;
+
+varying vec2 fragmentTextureCoordinate;
+varying float fragmentTextureIndex;
+varying vec4 fragmentColor;
+varying float fragmentLightMapMultiplier;
+varying vec2 fragmentLightMapCoordinate;
+
+vec4 cubic(float v) {
+  vec4 n = vec4(1.0, 2.0, 3.0, 4.0) - v;
+  vec4 s = n * n * n;
+  float x = s.x;
+  float y = s.y - 4.0 * s.x;
+  float z = s.z - 4.0 * s.y + 6.0 * s.x;
+  float w = 6.0 - x - y - z;
+  return vec4(x, y, z, w);
+}
+
+vec4 bicubicSample(sampler2D texture, vec2 texcoord, vec2 texscale) {
+  texcoord = texcoord - vec2(0.5, 0.5);
+
+  float fx = fract(texcoord.x);
+  float fy = fract(texcoord.y);
+  texcoord.x -= fx;
+  texcoord.y -= fy;
+
+  vec4 xcubic = cubic(fx);
+  vec4 ycubic = cubic(fy);
+
+  vec4 c = vec4(texcoord.x - 0.5, texcoord.x + 1.5, texcoord.y - 0.5, texcoord.y + 1.5);
+  vec4 s = vec4(xcubic.x + xcubic.y, xcubic.z + xcubic.w, ycubic.x + ycubic.y, ycubic.z + ycubic.w);
+  vec4 offset = c + vec4(xcubic.y, xcubic.w, ycubic.y, ycubic.w) / s;
+
+  vec4 sample0 = texture2D(texture, vec2(offset.x, offset.z) * texscale);
+  vec4 sample1 = texture2D(texture, vec2(offset.y, offset.z) * texscale);
+  vec4 sample2 = texture2D(texture, vec2(offset.x, offset.w) * texscale);
+  vec4 sample3 = texture2D(texture, vec2(offset.y, offset.w) * texscale);
+
+  float sx = s.x / (s.x + s.y);
+  float sy = s.z / (s.z + s.w);
+
+  return mix(
+    mix(sample3, sample2, sx),
+    mix(sample1, sample0, sx), sy);
+}
+
+void main() {
+  vec4 texColor;
+  if (fragmentTextureIndex > 2.9) {
+    texColor = texture2D(texture3, fragmentTextureCoordinate);
+  } else if (fragmentTextureIndex > 1.9) {
+    texColor = texture2D(texture2, fragmentTextureCoordinate);
+  } else if (fragmentTextureIndex > 0.9) {
+    texColor = texture2D(texture1, fragmentTextureCoordinate);
+  } else {
+    texColor = texture2D(texture0, fragmentTextureCoordinate);
+  }
+  if (texColor.a <= 0.0)
+    discard;
+
+  vec4 finalColor = texColor * fragmentColor;
+  float finalLightMapMultiplier = fragmentLightMapMultiplier * lightMapMultiplier;
+  if (lightMapEnabled && finalLightMapMultiplier > 0.0)
+    finalColor.rgb *= bicubicSample(lightMap, fragmentLightMapCoordinate, 1.0 / lightMapSize).rgb * finalLightMapMultiplier;
+  gl_FragColor = finalColor;
+}

assets/opensb/rendering/opengl20.vert

@@ -0,0 +1,41 @@
+#version 110
+
+uniform vec2 textureSize0;
+uniform vec2 textureSize1;
+uniform vec2 textureSize2;
+uniform vec2 textureSize3;
+uniform vec2 screenSize;
+uniform mat3 vertexTransform;
+uniform vec2 lightMapSize;
+uniform vec2 lightMapScale;
+uniform vec2 lightMapOffset;
+
+attribute vec2 vertexPosition;
+attribute vec2 vertexTextureCoordinate;
+attribute float vertexTextureIndex;
+attribute vec4 vertexColor;
+attribute float vertexParam1;
+
+varying vec2 fragmentTextureCoordinate;
+varying float fragmentTextureIndex;
+varying vec4 fragmentColor;
+varying float fragmentLightMapMultiplier;
+varying vec2 fragmentLightMapCoordinate;
+
+void main() {
+  vec2 screenPosition = (vertexTransform * vec3(vertexPosition, 1.0)).xy;
+  fragmentLightMapMultiplier = vertexParam1;
+  fragmentLightMapCoordinate = (screenPosition / lightMapScale) - lightMapOffset * lightMapSize / screenSize;
+  if (vertexTextureIndex > 2.9) {
+    fragmentTextureCoordinate = vertexTextureCoordinate / textureSize3;
+  } else if (vertexTextureIndex > 1.9) {
+    fragmentTextureCoordinate = vertexTextureCoordinate / textureSize2;
+  } else if (vertexTextureIndex > 0.9) {
+    fragmentTextureCoordinate = vertexTextureCoordinate / textureSize1;
+  } else {
+    fragmentTextureCoordinate = vertexTextureCoordinate / textureSize0;
+  }
+  fragmentTextureIndex = vertexTextureIndex;
+  fragmentColor = vertexColor;
+  gl_Position = vec4(screenPosition / screenSize * 2.0 - 1.0, 0.0, 1.0);
+}

source/application/StarRenderer.hpp

@@ -117,7 +117,7 @@ public:
   // specific to each type of renderer, so it will be necessary to key the
   // configuration off of the renderId string.  This should not be called every
   // frame, because it will result in a recompile of the underlying shader set.
-  virtual void setEffectConfig(Json const& effectConfig) = 0;
+  virtual void setEffectConfig(Json const& effectConfig, StringMap<String> const& shaders) = 0;
 
   // The effect config will specify named parameters and textures which can be
   // set here.

source/application/StarRenderer_opengl20.cpp

@@ -7,71 +7,67 @@ namespace Star {
 
 size_t const MultiTextureCount = 4;
 
-char const* DefaultEffectConfig = R"JSON(
-    {
-      "vertexShader" : "
-        #version 110
+char const* DefaultVertexShader = R"SHADER(
+#version 110
 
-        uniform vec2 textureSize0;
-        uniform vec2 textureSize1;
-        uniform vec2 textureSize2;
-        uniform vec2 textureSize3;
-        uniform vec2 screenSize;
-        uniform mat3 vertexTransform;
+uniform vec2 textureSize0;
+uniform vec2 textureSize1;
+uniform vec2 textureSize2;
+uniform vec2 textureSize3;
+uniform vec2 screenSize;
+uniform mat3 vertexTransform;
 
-        attribute vec2 vertexPosition;
-        attribute vec2 vertexTextureCoordinate;
-        attribute float vertexTextureIndex;
-        attribute vec4 vertexColor;
-        attribute float vertexParam1;
+attribute vec2 vertexPosition;
+attribute vec2 vertexTextureCoordinate;
+attribute float vertexTextureIndex;
+attribute vec4 vertexColor;
+attribute float vertexParam1;
 
-        varying vec2 fragmentTextureCoordinate;
-        varying float fragmentTextureIndex;
-        varying vec4 fragmentColor;
+varying vec2 fragmentTextureCoordinate;
+varying float fragmentTextureIndex;
+varying vec4 fragmentColor;
 
-        void main() {
-          vec2 screenPosition = (vertexTransform * vec3(vertexPosition, 1.0)).xy;
-          gl_Position = vec4(screenPosition / screenSize * 2.0 - 1.0, 0.0, 1.0);
-          if (vertexTextureIndex > 2.9) {
-            fragmentTextureCoordinate = vertexTextureCoordinate / textureSize3;
-          } else if (vertexTextureIndex > 1.9) {
-            fragmentTextureCoordinate = vertexTextureCoordinate / textureSize2;
-          } else if (vertexTextureIndex > 0.9) {
-            fragmentTextureCoordinate = vertexTextureCoordinate / textureSize1;
-          } else {
-            fragmentTextureCoordinate = vertexTextureCoordinate / textureSize0;
-          }
-          fragmentTextureIndex = vertexTextureIndex;
-          fragmentColor = vertexColor;
-        }
-      ",
+void main() {
+  vec2 screenPosition = (vertexTransform * vec3(vertexPosition, 1.0)).xy;
+  gl_Position = vec4(screenPosition / screenSize * 2.0 - 1.0, 0.0, 1.0);
+  if (vertexTextureIndex > 2.9) {
+    fragmentTextureCoordinate = vertexTextureCoordinate / textureSize3;
+  } else if (vertexTextureIndex > 1.9) {
+    fragmentTextureCoordinate = vertexTextureCoordinate / textureSize2;
+  } else if (vertexTextureIndex > 0.9) {
+    fragmentTextureCoordinate = vertexTextureCoordinate / textureSize1;
+  } else {
+    fragmentTextureCoordinate = vertexTextureCoordinate / textureSize0;
+  }
+  fragmentTextureIndex = vertexTextureIndex;
+  fragmentColor = vertexColor;
+}
+)SHADER";
 
-      "fragmentShader" : "
-        #version 110
+char const* DefaultFragmentShader = R"SHADER(
+#version 110
 
-        uniform sampler2D texture0;
-        uniform sampler2D texture1;
-        uniform sampler2D texture2;
-        uniform sampler2D texture3;
+uniform sampler2D texture0;
+uniform sampler2D texture1;
+uniform sampler2D texture2;
+uniform sampler2D texture3;
 
-        varying vec2 fragmentTextureCoordinate;
-        varying float fragmentTextureIndex;
-        varying vec4 fragmentColor;
+varying vec2 fragmentTextureCoordinate;
+varying float fragmentTextureIndex;
+varying vec4 fragmentColor;
 
-        void main() {
-          if (fragmentTextureIndex > 2.9) {
-            gl_FragColor = texture2D(texture3, fragmentTextureCoordinate) * fragmentColor;
-          } else if (fragmentTextureIndex > 1.9) {
-            gl_FragColor = texture2D(texture2, fragmentTextureCoordinate) * fragmentColor;
-          } else if (fragmentTextureIndex > 0.9) {
-            gl_FragColor = texture2D(texture1, fragmentTextureCoordinate) * fragmentColor;
-          } else {
-            gl_FragColor = texture2D(texture0, fragmentTextureCoordinate) * fragmentColor;
-          }
-        }
-      "
-    }
-  )JSON";
+void main() {
+  if (fragmentTextureIndex > 2.9) {
+    gl_FragColor = texture2D(texture3, fragmentTextureCoordinate) * fragmentColor;
+  } else if (fragmentTextureIndex > 1.9) {
+    gl_FragColor = texture2D(texture2, fragmentTextureCoordinate) * fragmentColor;
+  } else if (fragmentTextureIndex > 0.9) {
+    gl_FragColor = texture2D(texture1, fragmentTextureCoordinate) * fragmentColor;
+  } else {
+    gl_FragColor = texture2D(texture0, fragmentTextureCoordinate) * fragmentColor;
+  }
+}
+)SHADER";
 
 OpenGl20Renderer::OpenGl20Renderer() {
   if (glewInit() != GLEW_OK)
@@ -97,7 +93,7 @@ OpenGl20Renderer::OpenGl20Renderer() {
       TextureFiltering::Nearest);
   m_immediateRenderBuffer = createGlRenderBuffer();
 
-  setEffectConfig(Json::parse(DefaultEffectConfig));
+  setEffectConfig(JsonObject(), {{"vertex", DefaultVertexShader}, {"fragment", DefaultFragmentShader}});
 
   m_limitTextureGroupSize = false;
   m_useMultiTexturing = true;
@@ -119,44 +115,44 @@ Vec2U OpenGl20Renderer::screenSize() const {
   return m_screenSize;
 }
 
-void OpenGl20Renderer::setEffectConfig(Json const& effectConfig) {
+void OpenGl20Renderer::setEffectConfig(Json const& effectConfig, StringMap<String> const& shaders) {
   flushImmediatePrimitives();
-
   GLint status = 0;
   char logBuffer[1024];
 
-  GLuint vertexShader = glCreateShader(GL_VERTEX_SHADER);
-  String vertexSource = effectConfig.getString("vertexShader");
-  char const* vertexSourcePtr = vertexSource.utf8Ptr();
-  glShaderSource(vertexShader, 1, &vertexSourcePtr, NULL);
-  glCompileShader(vertexShader);
+  auto compileShader = [&](GLenum type, String const& name) -> GLuint {
+    GLuint shader = glCreateShader(type);
+    auto* source = shaders.ptr(name);
+    if (!source)
+      return 0;
+    char const* sourcePtr = source->utf8Ptr();
+    glShaderSource(shader, 1, &sourcePtr, NULL);
+    glCompileShader(shader);
 
-  glGetShaderiv(vertexShader, GL_COMPILE_STATUS, &status);
-  if (!status) {
-    glGetShaderInfoLog(vertexShader, sizeof(logBuffer), NULL, logBuffer);
-    throw RendererException(strf("Failed to compile vertex shader: %s\n", logBuffer));
-  }
+    glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
+    if (!status) {
+      glGetShaderInfoLog(shader, sizeof(logBuffer), NULL, logBuffer);
+      throw RendererException(strf("Failed to compile %s shader: %s\n", name, logBuffer));
+    }
 
-  GLuint fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
-  String fragmentSource = effectConfig.getString("fragmentShader");
-  char const* fragmentSourcePtr = fragmentSource.utf8Ptr();
-  glShaderSource(fragmentShader, 1, &fragmentSourcePtr, NULL);
-  glCompileShader(fragmentShader);
+    return shader;
+  };
 
-  glGetShaderiv(fragmentShader, GL_COMPILE_STATUS, &status);
-  if (!status) {
-    glGetShaderInfoLog(fragmentShader, sizeof(logBuffer), NULL, logBuffer);
-    throw RendererException(strf("Failed to compile fragment shader: %s\n", logBuffer));
-  }
+  GLuint vertexShader = compileShader(GL_VERTEX_SHADER, "vertex");
+  GLuint fragmentShader = compileShader(GL_FRAGMENT_SHADER, "fragment");
 
   GLuint program = glCreateProgram();
 
-  glAttachShader(program, vertexShader);
-  glAttachShader(program, fragmentShader);
+  if (vertexShader)
+    glAttachShader(program, vertexShader);
+  if (fragmentShader)
+    glAttachShader(program, fragmentShader);
   glLinkProgram(program);
 
-  glDeleteShader(vertexShader);
-  glDeleteShader(fragmentShader);
+  if (vertexShader)
+    glDeleteShader(vertexShader);
+  if (fragmentShader)
+    glDeleteShader(fragmentShader);
 
   glGetProgramiv(program, GL_LINK_STATUS, &status);
   if (!status) {

source/application/StarRenderer_opengl20.hpp

@@ -20,7 +20,7 @@ public:
   String rendererId() const override;
   Vec2U screenSize() const override;
 
-  void setEffectConfig(Json const& effectConfig) override;
+  void setEffectConfig(Json const& effectConfig, StringMap<String> const& shaders) override;
   void setEffectParameter(String const& parameterName, RenderEffectParameter const& parameter) override;
   void setEffectTexture(String const& textureName, Image const& image) override;
 

source/client/StarClientApplication.cpp

@@ -196,10 +196,25 @@ void ClientApplication::applicationInit(ApplicationControllerPtr appController)
 
 void ClientApplication::renderInit(RendererPtr renderer) {
   Application::renderInit(renderer);
+  auto assets = m_root->assets();
 
   String rendererConfig = strf("/rendering/%s.config", renderer->rendererId());
-  if (m_root->assets()->assetExists(rendererConfig))
-    renderer->setEffectConfig(m_root->assets()->json(rendererConfig));
+  if (assets->assetExists(rendererConfig)) {
+    StringMap<String> shaders;
+    auto config = assets->json(rendererConfig);
+    auto shaderConfig = config.getObject("effectShaders");
+    for (auto& entry : shaderConfig) {
+      if (entry.second.isType(Json::Type::String)) {
+        String shader = entry.second.toString();
+        if (!shader.hasChar('\n')) {
+          auto shaderBytes = assets->bytes(AssetPath::relativeTo(rendererConfig, shader));
+          shader = std::string(shaderBytes->ptr(), shaderBytes->size());
+        }
+        shaders[entry.first] = shader;
+      }
+    }
+    renderer->setEffectConfig(config, shaders);
+  }
   else
     Logger::warn("No rendering config found for renderer with id '%s'", renderer->rendererId());
 

source/game/CMakeLists.txt

@@ -38,6 +38,7 @@ SET (star_game_HEADERS
     StarDamageManager.hpp
     StarDamageTypes.hpp
     StarDanceDatabase.hpp
+    StarDirectives.hpp
     StarDrawable.hpp
     StarDungeonGenerator.hpp
     StarDungeonImagePart.hpp
@@ -296,6 +297,7 @@ SET (star_game_SOURCES
     StarDamageManager.cpp
     StarDamageTypes.cpp
     StarDanceDatabase.cpp
+    StarDirectives.cpp
     StarDrawable.cpp
     StarDungeonGenerator.cpp
     StarDungeonImagePart.cpp

source/game/StarDirectives.cpp

@@ -0,0 +1,51 @@
+#include "StarImage.hpp"
+#include "StarImageProcessing.hpp"
+#include "StarDirectives.hpp"
+
+namespace Star {
+
+NestedDirectives::NestedDirectives() {}
+NestedDirectives::NestedDirectives(String const& string) : m_root{ Leaf{ parseImageOperations(string), string} } {}
+
+void NestedDirectives::addBranch(const Branch& newBranch) {
+  convertToBranches();
+
+  m_root.value.get<Branches>().emplace_back(newBranch);
+}
+
+String NestedDirectives::toString() const {
+  String string;
+  buildString(string, m_root);
+  return string;
+}
+
+void NestedDirectives::forEach() const {
+
+}
+
+Image NestedDirectives::apply(Image& image) const {
+  Image current = image;
+
+  return current;
+}
+
+void NestedDirectives::buildString(String& string, const Cell& cell) const {
+  if (auto leaf = cell.value.ptr<Leaf>())
+    string += leaf->string;
+  else {
+    for (auto& branch : cell.value.get<Branches>())
+      buildString(string, *branch);
+  }
+}
+
+void NestedDirectives::convertToBranches() {
+  if (m_root.value.is<Branches>())
+    return;
+
+  Leaf& leaf = m_root.value.get<Leaf>();
+  Branches newBranches;
+  newBranches.emplace_back(std::make_shared<Cell const>(move(leaf)));
+  m_root.value = move(newBranches);
+}
+
+}

source/game/StarDirectives.hpp

@@ -0,0 +1,50 @@
+#ifndef STAR_DIRECTIVES_HPP
+#define STAR_DIRECTIVES_HPP
+
+#include "StarImageProcessing.hpp"
+
+namespace Star {
+
+STAR_CLASS(NestedDirectives);
+
+// Attempt at reducing memory allocation and per-frame string parsing for extremely long directives
+class NestedDirectives {
+public:
+  struct Leaf {
+    List<ImageOperation> operations;
+    String string;
+  };
+
+  struct Cell;
+  typedef std::shared_ptr<Cell const> Branch;
+  typedef List<Branch> Branches;
+
+  struct Cell {
+    Variant<Leaf, Branches> value;
+
+    Cell() : value(Leaf()) {};
+    Cell(Leaf&& leaf) : value(move(leaf)) {};
+    Cell(Branches&& branches) : value(move(branches)) {};
+    Cell(const Leaf& leaf) : value(leaf) {};
+    Cell(const Branches& branches) : value(branches) {};
+  };
+
+
+  NestedDirectives();
+  NestedDirectives(String const& string);
+
+  void addBranch(const Branch& newBranch);
+  const Branch& branch() const;
+  String toString() const;
+  void forEach() const;
+  Image apply(Image& image) const;
+private:
+  void buildString(String& string, const Cell& cell) const;
+  void convertToBranches();
+
+  Cell m_root;
+};
+
+}
+
+#endif

source/game/StarWorldClient.cpp

@@ -787,6 +787,10 @@ void WorldClient::handleIncomingPackets(List<PacketPtr> const& packets) {
         m_outgoingPackets.append(make_shared<EntityMessageResponsePacket>(makeLeft("Entity delivery error"), entityMessagePacket->uuid));
 
       } else {
+        ConnectionId fromConnection = entityMessagePacket->fromConnection;
+        if (fromConnection == *m_clientId) // Kae: The server should not be able to forge entity messages that appear as if they're from us
+          fromConnection = ServerConnectionId;
+
         auto response = entity->receiveMessage(entityMessagePacket->fromConnection, entityMessagePacket->message, entityMessagePacket->args);
         if (response)
           m_outgoingPackets.append(make_shared<EntityMessageResponsePacket>(makeRight(response.take()), entityMessagePacket->uuid));
@@ -805,7 +809,13 @@ void WorldClient::handleIncomingPackets(List<PacketPtr> const& packets) {
         response.fail(entityMessageResponsePacket->response.left());
 
     } else if (auto updateWorldProperties = as<UpdateWorldPropertiesPacket>(packet)) {
-      m_worldProperties.merge(updateWorldProperties->updatedProperties, true);
+      // Kae: Properties set to null (nil from Lua) should be erased instead of lingering around
+      for (auto& pair : updateWorldProperties->updatedProperties) {
+        if (pair.second.isNull())
+          m_worldProperties.erase(pair.first);
+        else
+          m_worldProperties[pair.first] = pair.second;
+      }
 
     } else if (auto updateTileProtection = as<UpdateTileProtectionPacket>(packet)) {
       setTileProtection(updateTileProtection->dungeonId, updateTileProtection->isProtected);