memory-related refactor

src/content/ContentBuilder.cpp

@@ -0,0 +1,109 @@
+#include "ContentBuilder.hpp"
+
+ContentBuilder::~ContentBuilder() {}
+
+void ContentBuilder::add(std::unique_ptr<ContentPackRuntime> pack) {
+    packs[pack->getId()] = std::move(pack);
+}
+
+Block& ContentBuilder::createBlock(std::string id) {
+    auto found = blockDefs.find(id);
+    if (found != blockDefs.end()) {
+        return *found->second;
+    }
+    checkIdentifier(id);
+    blockIds.push_back(id);
+    blockDefs[id] = std::make_unique<Block>(id);
+    return *blockDefs[id];
+}
+
+ItemDef& ContentBuilder::createItem(std::string id) {
+    auto found = itemDefs.find(id);
+    if (found != itemDefs.end()) {
+        return *found->second;
+    }
+    checkIdentifier(id);
+    itemIds.push_back(id);
+    itemDefs[id] = std::make_unique<ItemDef>(id);
+    return *itemDefs[id];
+}
+
+BlockMaterial& ContentBuilder::createBlockMaterial(std::string id) {
+    blockMaterials[id] = std::make_unique<BlockMaterial>();
+    auto& material = *blockMaterials[id];
+    material.name = id;
+    return material;
+}
+
+void ContentBuilder::checkIdentifier(std::string id) {
+    contenttype result;
+    if (((result = checkContentType(id)) != contenttype::none)) {
+        throw namereuse_error("name "+id+" is already used", result);
+    }  
+}
+
+contenttype ContentBuilder::checkContentType(std::string id) {
+    if (blockDefs.find(id) != blockDefs.end()) {
+        return contenttype::block;
+    }
+    if (itemDefs.find(id) != itemDefs.end()) {
+        return contenttype::item;
+    }
+    return contenttype::none;
+}
+
+std::unique_ptr<Content> ContentBuilder::build() {
+    std::vector<Block*> blockDefsIndices;
+    auto groups = std::make_unique<DrawGroups>();
+    for (const std::string& name : blockIds) {
+        Block& def = *blockDefs[name];
+        
+        // Generating runtime info
+        def.rt.id = blockDefsIndices.size();
+        def.rt.emissive = *reinterpret_cast<uint32_t*>(def.emission);
+        def.rt.solid = def.model == BlockModel::block;
+
+        if (def.rotatable) {
+            for (uint i = 0; i < BlockRotProfile::MAX_COUNT; i++) {
+                def.rt.hitboxes[i].reserve(def.hitboxes.size());
+                for (AABB& aabb : def.hitboxes) {
+                    def.rotations.variants[i].transform(aabb);
+                    def.rt.hitboxes[i].push_back(aabb);
+                }
+            }
+        }
+
+        blockDefsIndices.push_back(&def);
+        groups->insert(def.drawGroup);
+    }
+
+    std::vector<ItemDef*> itemDefsIndices;
+    for (const std::string& name : itemIds) {
+        ItemDef& def = *itemDefs[name];
+        
+        // Generating runtime info
+        def.rt.id = itemDefsIndices.size();
+        def.rt.emissive = *reinterpret_cast<uint32_t*>(def.emission);
+        itemDefsIndices.push_back(&def);
+    }
+
+    auto content = std::make_unique<Content>(
+        std::make_unique<ContentIndices>(blockDefsIndices, itemDefsIndices), 
+        std::move(groups), 
+        std::move(blockDefs), 
+        std::move(itemDefs), 
+        std::move(packs), 
+        std::move(blockMaterials)
+    );
+
+    // Now, it's time to resolve foreign keys
+    for (Block* def : blockDefsIndices) {
+        def->rt.pickingItem = content->requireItem(def->pickingItem).rt.id;
+    }
+
+    for (ItemDef* def : itemDefsIndices) {
+        def->rt.placingBlock = content->requireBlock(def->placingBlock).rt.id;
+    }
+
+    return content;
+}