fix: some textures applied were not the right ones

src/WallpaperEngine/Core/Objects/CEffect.cpp

@@ -215,18 +215,17 @@ std::map<int, Images::CMaterial::OverrideInfo> CEffect::overridesFromJSON (
                 ++textureNumber;
                 std::string name;
 
-                if (texture.is_null ()) {
-                    if (textureNumber == 0) {
-                        auto passTextures = (*material->getPasses ().begin ())->getTextures ();
+                if (texture.is_null () && textureNumber > 0) {
+                    continue;
+                }
 
-                        if (passTextures.empty ()) {
-                            // TODO: SET CHECKERBOARD TEXTURE AS DEFAULT IN THESE SITUATIONS
-                            name = "";
-                        } else {
-                            name = passTextures.begin ()->second;
-                        }
+                if (textureNumber == 0) {
+                    auto passTextures = (*material->getPasses ().begin ())->getTextures ();
+
+                    if (passTextures.empty()) {
+                        continue;
                     } else {
-                        name = "";
+                        name = passTextures.begin ()->second;
                     }
                 } else {
                     name = texture;

src/WallpaperEngine/Core/Objects/Images/Materials/CPass.cpp

@@ -58,7 +58,7 @@ const CPass* CPass::fromJSON (const json& data, const CMaterial::OverrideInfo* o
         for (const auto& [name, value] : overrides->constants)
             constants[name] = value;
         for (const auto& [id, value] : overrides->textures)
-            textures.insert(std::pair(id, value));
+            textures[id] = value;
     }
 
     return new CPass (

src/WallpaperEngine/PrettyPrinter/CPrettyPrinter.cpp

@@ -219,7 +219,7 @@ void CPrettyPrinter::printPass (const CPass& pass, int passId) {
         this->decreaseIndentation ();
     }
 
-    const auto fragmentTextures = pass.getShader ()->getFragmentTextures();
+    const auto fragmentTextures = pass.getShader ()->getFragment ().getTextures ();
 
     if (fragmentTextures.size () > 0) {
         this->m_out << "Fragment textures " << fragmentTextures.size () << ":";
@@ -233,7 +233,7 @@ void CPrettyPrinter::printPass (const CPass& pass, int passId) {
         this->decreaseIndentation ();
     }
 
-    const auto vertexTextures = pass.getShader ()->getVertexTextures ();
+    const auto vertexTextures = pass.getShader ()->getFragment ().getTextures ();
 
     if (vertexTextures.size () > 0) {
         this->m_out << "Vertex textures " << textures.size () << ":";
@@ -261,6 +261,34 @@ void CPrettyPrinter::printPass (const CPass& pass, int passId) {
         this->decreaseIndentation ();
     }
 
+    const auto vertexCombos = pass.getShader ()->getVertex ().getDiscoveredCombos ();
+
+    if (vertexCombos.size () > 0) {
+        this->m_out << "Vertex combos " << vertexCombos.size () << ":";
+        this->increaseIndentation ();
+
+        for (const auto& combo : vertexCombos) {
+            this->m_out << combo.first << " = " << combo.second;
+            this->lineEnd ();
+        }
+
+        this->decreaseIndentation ();
+    }
+
+    const auto fragmentCombos = pass.getShader ()->getFragment ().getDiscoveredCombos ();
+
+    if (fragmentCombos.size () > 0) {
+        this->m_out << "Vertex combos " << fragmentCombos.size () << ":";
+        this->increaseIndentation ();
+
+        for (const auto& combo : fragmentCombos) {
+            this->m_out << combo.first << " = " << combo.second;
+            this->lineEnd ();
+        }
+
+        this->decreaseIndentation ();
+    }
+
     const auto constants = base->getConstants ();
 
     if (constants.size () > 0) {

src/WallpaperEngine/Render/Objects/Effects/CPass.cpp

@@ -447,10 +447,10 @@ void CPass::setupTextureUniforms () {
     // do the real, final texture setup for the whole process
     auto cur = this->m_textures.begin ();
     const auto end = this->m_textures.end ();
-    auto fragCur = this->m_shader->getFragmentTextures ().begin ();
-    const auto fragEnd = this->m_shader->getFragmentTextures ().end ();
-    auto vertCur = this->m_shader->getVertexTextures ().begin ();
-    const auto vertEnd = this->m_shader->getVertexTextures ().end ();
+    auto fragCur = this->m_shader->getFragment ().getTextures ().begin ();
+    const auto fragEnd = this->m_shader->getFragment ().getTextures ().end ();
+    auto vertCur = this->m_shader->getVertex ().getTextures ().begin ();
+    const auto vertEnd = this->m_shader->getVertex ().getTextures ().end ();
     auto bindCur = this->m_material->getMaterial ()->getTextureBinds ().begin ();
     const auto bindEnd = this->m_material->getMaterial ()->getTextureBinds ().end ();
 
@@ -704,11 +704,11 @@ void CPass::setupShaderVariables () {
         }
     }
 
-    for (const auto& cur : this->m_shader->getVertexParameters ())
+    for (const auto& cur : this->m_shader->getVertex ().getParameters ())
         if (this->m_uniforms.find (cur->getName ()) == this->m_uniforms.end ())
             this->addUniform (cur);
 
-    for (const auto& cur : this->m_shader->getFragmentParameters ())
+    for (const auto& cur : this->m_shader->getVertex ().getParameters ())
         if (this->m_uniforms.find (cur->getName ()) == this->m_uniforms.end ())
             this->addUniform (cur);
 }

src/WallpaperEngine/Render/Shaders/CShader.cpp

@@ -41,20 +41,12 @@ const std::string& CShader::fragment () {
     return this->m_fragment.compile ();
 }
 
-const std::vector<Variables::CShaderVariable*>& CShader::getVertexParameters () const {
-    return this->m_vertex.getParameters ();
+const CShaderUnit& CShader::getVertex () const {
+    return this->m_vertex;
 }
 
-const std::vector<Variables::CShaderVariable*>& CShader::getFragmentParameters () const {
-    return this->m_fragment.getParameters ();
-}
-
-const std::map<int, std::string>& CShader::getVertexTextures () const {
-    return this->m_fragment.getTextures ();
-}
-
-const std::map<int, std::string>& CShader::getFragmentTextures () const {
-    return this->m_fragment.getTextures ();
+const CShaderUnit& CShader::getFragment () const {
+    return this->m_fragment;
 }
 
 const std::map<std::string, int>& CShader::getCombos () const {

src/WallpaperEngine/Render/Shaders/CShader.h

@@ -54,21 +54,13 @@ class CShader {
      */
     const std::string& fragment ();
     /**
-     * @return The parameters the vertex shader needs
+     * @return The vertex shader unit
      */
-    [[nodiscaard]]const std::vector<Variables::CShaderVariable*>& getVertexParameters () const;
+    [[nodiscard]] const CShaderUnit& getVertex () const;
     /**
-     * @return The parameters the fragment shader needs
+     * @return The fragment shader unit
      */
-    [[nodiscard]] const std::vector<Variables::CShaderVariable*>& getFragmentParameters () const;
-    /**
-     * @return The textures required for the vertex shader
-     */
-    [[nodiscard]] const std::map<int, std::string>& getVertexTextures () const;
-    /**
-     * @return The textures required for the fragment shader
-     */
-    [[nodiscard]] const std::map<int, std::string>& getFragmentTextures () const;
+    [[nodiscard]] const CShaderUnit& getFragment () const;
     /**
      * @return The list of combos available for this shader after compilation
      */
@@ -94,22 +86,6 @@ class CShader {
      * The shader file this instance is loading
      */
     std::string m_file;
-    /**
-     * The original file content
-     */
-    std::string m_content;
-    /**
-     * The final, compiled content ready to be used by OpenGL
-     */
-    std::string m_processedContent;
-    /**
-     * The contents of all the included files
-     */
-    std::string m_includeContent;
-    /**
-     * The type of shader
-     */
-    CGLSLContext::UnitType m_type;
     /**
      * The parameters the shader needs
      */

src/WallpaperEngine/Render/Shaders/CShaderUnit.cpp

@@ -402,6 +402,8 @@ void CShaderUnit::parseParameterConfiguration (const std::string& type, const st
         const auto textureName = data.find ("default");
         // extract the texture number from the name
         const char value = name.at (std::string ("g_Texture").length ());
+        const auto requireany = data.find ("requireany");
+        const auto require = data.find ("require");
         // now convert it to integer
         size_t index = value - '0';
 
@@ -409,14 +411,53 @@ void CShaderUnit::parseParameterConfiguration (const std::string& type, const st
             // if the texture exists (and is not null), add to the combo
             auto texture = this->m_textures.find (index);
 
-            if (texture != this->m_textures.end () && (texture->second.empty () || textureName != data.end ())) {
-                // add the new combo to the list
-                this->m_discoveredCombos.insert (std::make_pair (*combo, 1));
+            if (textureName == data.end () && texture == this->m_textures.end ()) {
+                // is this required?
+                if (require == data.end ()) {
+                    // if no require information we assume this one is always required, so signal it as such
+                    sLog.exception ("Shader ", this->m_file, " requires a texture that is not present");
+                }
 
-                // textures linked to combos need to be tracked too
-                if (this->m_usedCombos.find (*combo) == this->m_usedCombos.end ())
-                    this->m_usedCombos.insert (std::make_pair (*combo, true));
+                // some require conditions are set, validate these
+                if (requireany == data.end ()) {
+                    // all values have to exist for this to be required
+                    for (const auto& item : require->items ()) {
+                        const std::string& macro = item.key ();
+                        const auto it = this->m_combos.find (macro);
+
+                        // these can not exist and that'd be fine, we just care about the values
+                        if (it == this->m_combos.end ()) {
+                            return;
+                        }
+                        if (it->second != item.value ()) {
+                            return;
+                        }
+                    }
+
+                    sLog.exception ("Shader ", this->m_file, " requires a texture that is not present, activated by condition");
+                } else {
+                    // any of the values set are valid, check for them
+                    for (const auto& item : require->items ()) {
+                        const std::string& macro = item.key ();
+                        const auto it = this->m_combos.find (macro);
+
+                        // these can not exist and that'd be fine, we just care about the values
+                        if (it == this->m_combos.end ()) {
+                            continue;
+                        }
+                        if (it->second == item.value ()) {
+                            sLog.exception ("Shader ", this->m_file, " requires a texture that is not present, activated by condition ", macro);
+                        }
+                    }
+                }
             }
+
+            // add the new combo to the list
+            this->m_discoveredCombos.insert (std::make_pair (*combo, 1));
+
+            // textures linked to combos need to be tracked too
+            if (this->m_usedCombos.find (*combo) == this->m_usedCombos.end ())
+                this->m_usedCombos.insert (std::make_pair (*combo, true));
         }
 
         if (textureName != data.end ())

src/WallpaperEngine/Render/Shaders/CShaderUnit.h

@@ -49,15 +49,6 @@ class CShaderUnit {
      * @return The textures this shader unit requires
      */
     [[nodiscard]] const std::map<int, std::string>& getTextures () const;
-
-  protected:
-    /**
-     * Extracts any and all possible shader combo configurations
-     * available in this shader unit, prepares includes
-     * and lays the ground for the actual code to be ready
-     */
-    void preprocess ();
-
     /**
      * @return The combos set for this shader unit by the configuration
      */
@@ -67,6 +58,14 @@ class CShaderUnit {
      */
     [[nodiscard]] const std::map<std::string, int>& getDiscoveredCombos () const;
 
+  protected:
+    /**
+     * Extracts any and all possible shader combo configurations
+     * available in this shader unit, prepares includes
+     * and lays the ground for the actual code to be ready
+     */
+    void preprocess ();
+
   private:
     /**
      * Parses the input shader looking for possible combo values that are required for it to properly work