update Assets container - template-based now

src/assets/Assets.cpp

@@ -1,72 +1,8 @@
 #include "Assets.hpp"
 
-#include "../audio/audio.hpp"
-#include "../graphics/core/Texture.hpp"
-#include "../graphics/core/Shader.hpp"
-#include "../graphics/core/Atlas.hpp"
-#include "../graphics/core/Font.hpp"
-#include "../frontend/UiDocument.hpp"
-#include "../logic/scripting/scripting.hpp"
-
 Assets::~Assets() {
 }
 
-Texture* Assets::getTexture(const std::string& name) const {
-    auto found = textures.find(name);
-    if (found == textures.end())
-        return nullptr;
-    return found->second.get();
-}
-
-void Assets::store(std::unique_ptr<Texture> texture, const std::string& name){
-    textures.emplace(name, std::move(texture));
-}
-
-
-Shader* Assets::getShader(const std::string& name) const{
-    auto found = shaders.find(name);
-    if (found == shaders.end())
-        return nullptr;
-    return found->second.get();
-}
-
-void Assets::store(std::unique_ptr<Shader> shader, const std::string& name){
-    shaders.emplace(name, std::move(shader));
-}
-
-Font* Assets::getFont(const std::string& name) const {
-    auto found = fonts.find(name);
-    if (found == fonts.end())
-        return nullptr;
-    return found->second.get();
-}
-
-void Assets::store(std::unique_ptr<Font> font, const std::string& name){
-    fonts.emplace(name, std::move(font));
-}
-
-Atlas* Assets::getAtlas(const std::string& name) const {
-    auto found = atlases.find(name);
-    if (found == atlases.end())
-        return nullptr;
-    return found->second.get();
-}
-
-void Assets::store(std::unique_ptr<Atlas> atlas, const std::string& name){
-    atlases.emplace(name, std::move(atlas));
-}
-
-audio::Sound* Assets::getSound(const std::string& name) const {
-    auto found = sounds.find(name);
-    if (found == sounds.end())
-        return nullptr;
-    return found->second.get();
-}
-
-void Assets::store(std::unique_ptr<audio::Sound> sound, const std::string& name) {
-    sounds.emplace(name, std::move(sound));
-}
-
 const std::vector<TextureAnimation>& Assets::getAnimations() {
     return animations;
 }
@@ -74,14 +10,3 @@ const std::vector<TextureAnimation>& Assets::getAnimations() {
 void Assets::store(const TextureAnimation& animation) {
     animations.emplace_back(animation);
 }
-
-UiDocument* Assets::getLayout(const std::string& name) const {
-    auto found = layouts.find(name);
-    if (found == layouts.end())
-        return nullptr;
-    return found->second.get();
-}
-
-void Assets::store(std::unique_ptr<UiDocument> layout, const std::string& name) {
-    layouts[name] = std::shared_ptr<UiDocument>(std::move(layout));
-}

src/assets/Assets.hpp

@@ -7,57 +7,56 @@
 #include <memory>
 #include <functional>
 #include <unordered_map>
+#include <typeindex>
+#include <typeinfo>
 #include <vector>
 
-class Texture;
-class Shader;
-class Font;
-class Atlas;
 class Assets;
-class UiDocument;
 
 namespace audio {
     class Sound;
 }
 
+namespace model {
+    struct Model;
+}
+
 namespace assetload {
     /// @brief final work to do in the main thread
     using postfunc = std::function<void(Assets*)>;
 }
 
 class Assets {
-    std::unordered_map<std::string, std::shared_ptr<Texture>> textures;
-    std::unordered_map<std::string, std::shared_ptr<Shader>> shaders;
-    std::unordered_map<std::string, std::shared_ptr<Font>> fonts;
-    std::unordered_map<std::string, std::shared_ptr<Atlas>> atlases;
-    std::unordered_map<std::string, std::shared_ptr<UiDocument>> layouts;
-    std::unordered_map<std::string, std::shared_ptr<audio::Sound>> sounds;
     std::vector<TextureAnimation> animations;
+
+    using assets_map = std::unordered_map<std::string, std::shared_ptr<void>>;
+    std::unordered_map<std::type_index, assets_map> assets;
 public:
     Assets() {}
     Assets(const Assets&) = delete;
     ~Assets();
-    
-    Texture* getTexture(const std::string& name) const;
-    void store(std::unique_ptr<Texture> texture, const std::string& name);
-
-    Shader* getShader(const std::string& name) const;
-    void store(std::unique_ptr<Shader> shader, const std::string& name);
-
-    Font* getFont(const std::string& name) const;
-    void store(std::unique_ptr<Font> font, const std::string& name);
-
-    Atlas* getAtlas(const std::string& name) const;
-    void store(std::unique_ptr<Atlas> atlas, const std::string& name);
-
-    audio::Sound* getSound(const std::string& name) const;
-    void store(std::unique_ptr<audio::Sound> sound, const std::string& name);
 
     const std::vector<TextureAnimation>& getAnimations();
     void store(const TextureAnimation& animation);
 
-    UiDocument* getLayout(const std::string& name) const;
-    void store(std::unique_ptr<UiDocument> layout, const std::string& name);
+    template<class T>
+    void store(std::unique_ptr<T> asset, const std::string& name) {
+        assets[typeid(T)][name].reset(asset.release());
+    }
+
+    template<class T>
+    T* get(const std::string& name) const {
+        const auto& mapIter = assets.find(typeid(T));
+        if (mapIter == assets.end()) {
+            return nullptr;
+        }
+        const auto& map = mapIter->second;
+        const auto& found = map.find(name);
+        if (found == map.end()) {
+            return nullptr;
+        }
+        return static_cast<T*>(found->second.get());
+    }
 };
 
 #endif // ASSETS_ASSETS_HPP_

src/assets/AssetsLoader.cpp

@@ -212,7 +212,7 @@ bool AssetsLoader::loadExternalTexture(
     const std::string& name,
     const std::vector<std::filesystem::path>& alternatives
 ) {
-    if (assets->getTexture(name) != nullptr) {
+    if (assets->get<Texture>(name) != nullptr) {
         return true;
     }
     for (auto& path : alternatives) {

src/frontend/ContentGfxCache.cpp

@@ -15,7 +15,7 @@
 ContentGfxCache::ContentGfxCache(const Content* content, Assets* assets) : content(content) {
     auto indices = content->getIndices();
     sideregions = std::make_unique<UVRegion[]>(indices->countBlockDefs() * 6);
-    Atlas* atlas = assets->getAtlas("blocks");
+    auto atlas = assets->get<Atlas>("blocks");
     
     for (uint i = 0; i < indices->countBlockDefs(); i++) {
         Block* def = indices->getBlockDef(i);

src/frontend/LevelFrontend.cpp

@@ -30,7 +30,7 @@ LevelFrontend::LevelFrontend(LevelController* controller, Assets* assets)
             }
 
             if (type == BlockInteraction::step) {
-                auto sound = assets->getSound(material->stepsSound);
+                auto sound = assets->get<audio::Sound>(material->stepsSound);
                 audio::play(
                     sound, 
                     glm::vec3(), 
@@ -45,10 +45,10 @@ LevelFrontend::LevelFrontend(LevelController* controller, Assets* assets)
                 audio::Sound* sound = nullptr;
                 switch (type) {
                     case BlockInteraction::placing:
-                        sound = assets->getSound(material->placeSound);
+                        sound = assets->get<audio::Sound>(material->placeSound);
                         break;
                     case BlockInteraction::destruction:
-                        sound = assets->getSound(material->breakSound);
+                        sound = assets->get<audio::Sound>(material->breakSound);
                         break; 
                     case BlockInteraction::step:
                         break;   

src/frontend/hud.cpp

@@ -208,7 +208,7 @@ void Hud::processInput(bool visible) {
         }
     }
     if (!pause && Events::active(BIND_DEVTOOLS_CONSOLE)) {
-        showOverlay(assets->getLayout("core:console"), false);
+        showOverlay(assets->get<UiDocument>("core:console"), false);
     }
     if (!Window::isFocused() && !pause && !isInventoryOpen()) {
         setPause(true);
@@ -305,7 +305,7 @@ void Hud::openInventory() {
 
     inventoryOpen = true;
     auto inventory = player->getInventory();
-    auto inventoryDocument = assets->getLayout("core:inventory");
+    auto inventoryDocument = assets->get<UiDocument>("core:inventory");
     inventoryView = std::dynamic_pointer_cast<InventoryView>(inventoryDocument->getRoot());
     inventoryView->bind(inventory, content);
     add(HudElement(hud_element_mode::inventory_bound, inventoryDocument, inventoryView, false));
@@ -460,7 +460,7 @@ void Hud::draw(const DrawContext& ctx){
     auto batch = ctx.getBatch2D();
     batch->begin();
 
-    Shader* uishader = assets->getShader("ui");
+    auto uishader = assets->get<Shader>("ui");
     uishader->use();
     uishader->uniformMatrix("u_projview", uicamera->getProjView());
 
@@ -468,7 +468,7 @@ void Hud::draw(const DrawContext& ctx){
     if (!pause && !inventoryOpen && !player->debug) {
         DrawContext chctx = ctx.sub();
         chctx.setBlendMode(BlendMode::inversion);
-        auto texture = assets->getTexture("gui/crosshair");
+        auto texture = assets->get<Texture>("gui/crosshair");
         batch->texture(texture);
         int chsizex = texture != nullptr ? texture->getWidth() : 16;
         int chsizey = texture != nullptr ? texture->getHeight() : 16;

src/frontend/screens/MenuScreen.cpp

@@ -35,14 +35,14 @@ void MenuScreen::draw(float delta) {
     Window::setBgColor(glm::vec3(0.2f));
 
     uicamera->setFov(Window::height);
-    Shader* uishader = assets->getShader("ui");
+    auto uishader = assets->get<Shader>("ui");
     uishader->use();
     uishader->uniformMatrix("u_projview", uicamera->getProjView());
 
     uint width = Window::width;
     uint height = Window::height;
 
-    auto bg = assets->getTexture("gui/menubg");
+    auto bg = assets->get<Texture>("gui/menubg");
     batch->begin();
     batch->texture(bg);
     batch->rect(

src/graphics/render/BlocksPreview.cpp

@@ -126,8 +126,8 @@ std::unique_ptr<Atlas> BlocksPreview::build(
     size_t count = indices->countBlockDefs();
     size_t iconSize = ITEM_ICON_SIZE;
 
-    Shader* shader = assets->getShader("ui3d");
-    Atlas* atlas = assets->getAtlas("blocks");
+    auto shader = assets->get<Shader>("ui3d");
+    auto atlas = assets->get<Atlas>("blocks");
 
     Viewport viewport(iconSize, iconSize);
     DrawContext pctx(nullptr, viewport, nullptr);

src/graphics/render/ModelBatch.cpp

@@ -60,7 +60,7 @@ void ModelBatch::draw(const model::Model& model) {
         Lightmap::extract(light, 3) / 15.0f
     );
     for (const auto& mesh : model.meshes) {
-        auto texture = assets->getTexture(mesh.texture);
+        auto texture = assets->get<Texture>(mesh.texture);
         if (texture) {
             texture->bind();
         } else {

src/graphics/render/Skybox.cpp

@@ -59,7 +59,7 @@ Skybox::~Skybox() {
 }
 
 void Skybox::drawBackground(Camera* camera, Assets* assets, int width, int height) {
-    Shader* backShader = assets->getShader("background");
+    auto backShader = assets->get<Shader>("background");
     backShader->use();
     backShader->uniformMatrix("u_view", camera->getView(false));
     backShader->uniform1f("u_zoom", camera->zoom*camera->getFov()/(M_PI*0.5f));
@@ -107,7 +107,7 @@ void Skybox::draw(
     DrawContext ctx = pctx.sub();
     ctx.setBlendMode(BlendMode::addition);
 
-    Shader* shader = assets->getShader("ui3d");
+    auto shader = assets->get<Shader>("ui3d");
     shader->use();
     shader->uniformMatrix("u_projview", camera->getProjView(false));
     shader->uniformMatrix("u_apply", glm::mat4(1.0f));
@@ -117,7 +117,7 @@ void Skybox::draw(
     float opacity = glm::pow(1.0f-fog, 7.0f);
     
     for (auto& sprite : sprites) {
-        batch3d->texture(assets->getTexture(sprite.texture));
+        batch3d->texture(assets->get<Texture>(sprite.texture));
 
         float sangle = daytime * M_PI*2 + sprite.phase;
         float distance = sprite.distance;

src/graphics/render/WorldRenderer.cpp

@@ -68,7 +68,7 @@ WorldRenderer::WorldRenderer(Engine* engine, LevelFrontend* frontend, Player* pl
     auto assets = engine->getAssets();
     skybox = std::make_unique<Skybox>(
         settings.graphics.skyboxResolution.get(), 
-        assets->getShader("skybox_gen")
+        assets->get<Shader>("skybox_gen")
     );
 }
 
@@ -154,9 +154,9 @@ void WorldRenderer::renderLevel(
     Camera* camera, 
     const EngineSettings& settings
 ) {
-    Assets* assets = engine->getAssets();
-    Atlas* atlas = assets->getAtlas("blocks");
-    Shader* shader = assets->getShader("main");
+    auto assets = engine->getAssets();
+    auto atlas = assets->get<Atlas>("blocks");
+    auto shader = assets->get<Shader>("main");
 
     auto indices = level->content->getIndices();
 
@@ -292,8 +292,8 @@ void WorldRenderer::draw(
     const EngineSettings& settings = engine->getSettings();
     skybox->refresh(pctx, world->daytime, 1.0f+world->fog*2.0f, 4);
 
-    Assets* assets = engine->getAssets();
-    Shader* linesShader = assets->getShader("lines");
+    auto assets = engine->getAssets();
+    auto linesShader = assets->get<Shader>("lines");
     
     // World render scope with diegetic HUD included
     {
@@ -323,7 +323,7 @@ void WorldRenderer::draw(
     }
 
     // Rendering fullscreen quad with 
-    auto screenShader = assets->getShader("screen");
+    auto screenShader = assets->get<Shader>("screen");
     screenShader->use();
     screenShader->uniform1f("u_timer", Window::time());
     screenShader->uniform1f("u_dayTime", level->getWorld()->daytime);

src/graphics/ui/GUI.cpp

@@ -205,7 +205,7 @@ void GUI::draw(const DrawContext* pctx, Assets* assets) {
     menu->setPos((wsize - menu->getSize()) / 2.0f);
     uicamera->setFov(wsize.y);
 
-    Shader* uishader = assets->getShader("ui");
+    auto uishader = assets->get<Shader>("ui");
     uishader->use();
     uishader->uniformMatrix("u_projview", uicamera->getProjView());
 

src/graphics/ui/elements/Image.cpp

@@ -18,7 +18,7 @@ void Image::draw(const DrawContext* pctx, Assets* assets) {
     glm::vec2 pos = calcPos();
     auto batch = pctx->getBatch2D();
     
-    auto texture = assets->getTexture(this->texture);
+    auto texture = assets->get<Texture>(this->texture);
     if (texture && autoresize) {
         setSize(glm::vec2(texture->getWidth(), texture->getHeight()));
     }

src/graphics/ui/elements/InventoryView.cpp

@@ -21,6 +21,7 @@
 #include "../../core/Font.hpp"
 #include "../../core/DrawContext.hpp"
 #include "../../core/Shader.hpp"
+#include "../../core/Texture.hpp"
 #include "../../render/BlocksPreview.hpp"
 #include "../GUI.hpp"
 
@@ -155,7 +156,7 @@ void SlotView::draw(const DrawContext* pctx, Assets* assets) {
     
     batch->setColor(glm::vec4(1.0f));
 
-    auto previews = assets->getAtlas("block-previews");
+    auto previews = assets->get<Atlas>("block-previews");
     auto indices = content->getIndices();
 
     ItemDef* item = indices->getItemDef(stack.getItemId());
@@ -177,10 +178,10 @@ void SlotView::draw(const DrawContext* pctx, Assets* assets) {
             std::string name = item->icon.substr(index+1);
             UVRegion region(0.0f, 0.0, 1.0f, 1.0f);
             if (index == std::string::npos) {
-                batch->texture(assets->getTexture(name));
+                batch->texture(assets->get<Texture>(name));
             } else {
                 std::string atlasname = item->icon.substr(0, index);
-                Atlas* atlas = assets->getAtlas(atlasname);
+                auto atlas = assets->get<Atlas>(atlasname);
                 if (atlas && atlas->has(name)) {
                     region = atlas->get(name);
                     batch->texture(atlas->getTexture());
@@ -194,7 +195,7 @@ void SlotView::draw(const DrawContext* pctx, Assets* assets) {
     }
 
     if (stack.getCount() > 1) {
-        auto font = assets->getFont("normal");
+        auto font = assets->get<Font>("normal");
         std::wstring text = std::to_wstring(stack.getCount());
 
         int x = pos.x+slotSize-text.length()*8;

src/graphics/ui/elements/Label.cpp

@@ -158,7 +158,7 @@ uint Label::getLinesNumber() const {
 
 void Label::draw(const DrawContext* pctx, Assets* assets) {
     auto batch = pctx->getBatch2D();
-    auto font = assets->getFont(fontName);
+    auto font = assets->get<Font>(fontName);
     cache.prepare(font, static_cast<size_t>(glm::abs(getSize().x)));
 
     if (supplier) {

src/graphics/ui/elements/Plotter.cpp

@@ -37,7 +37,7 @@ void Plotter::draw(const DrawContext* pctx, Assets* assets) {
     }
 
     int current_point = static_cast<int>(points[index % dmwidth]);
-    auto font = assets->getFont("normal");
+    auto font = assets->get<Font>("normal");
     for (int y = 0; y < dmheight; y += labelsInterval) {
         std::wstring string;
         if (current_point/16 == y/labelsInterval) {

src/graphics/ui/elements/TextBox.cpp

@@ -33,7 +33,7 @@ TextBox::TextBox(std::wstring placeholder, glm::vec4 padding)
 void TextBox::draw(const DrawContext* pctx, Assets* assets) {
     Panel::draw(pctx, assets);
 
-    font = assets->getFont(label->getFontName());
+    font = assets->get<Font>(label->getFontName());
 
     if (!isFocused()) {
         return;

src/logic/scripting/lua/libaudio.cpp

@@ -32,7 +32,7 @@ inline audio::speakerid_t play_sound(
         return 0;
     }
     auto assets = scripting::engine->getAssets();
-    auto sound = assets->getSound(name);
+    auto sound = assets->get<audio::Sound>(name);
     if (sound == nullptr) {
         return 0;
     }

src/logic/scripting/lua/libgui.cpp

@@ -27,7 +27,7 @@ struct DocumentNode {
 };
 
 static DocumentNode getDocumentNode(lua::State*, const std::string& name, const std::string& nodeName) {
-    auto doc = engine->getAssets()->getLayout(name);
+    auto doc = engine->getAssets()->get<UiDocument>(name);
     if (doc == nullptr) {
         throw std::runtime_error("document '"+name+"' not found");
     }
@@ -545,7 +545,7 @@ static int l_gui_setattr(lua::State* L) {
 
 static int l_gui_get_env(lua::State* L) {
     auto name = lua::require_string(L, 1);
-    auto doc = engine->getAssets()->getLayout(name);
+    auto doc = engine->getAssets()->get<UiDocument>(name);
     if (doc == nullptr) {
         throw std::runtime_error("document '"+std::string(name)+"' not found");
     }
@@ -566,7 +566,7 @@ static int l_gui_str(lua::State* L) {
 
 static int l_gui_reindex(lua::State* L) {
     auto name = lua::require_string(L, 1);
-    auto doc = engine->getAssets()->getLayout(name);
+    auto doc = engine->getAssets()->get<UiDocument>(name);
     if (doc == nullptr) {
         throw std::runtime_error("document '"+std::string(name)+"' not found");
     }

src/logic/scripting/lua/libhud.cpp

@@ -51,7 +51,7 @@ static int l_hud_open_block(lua::State* L) {
     }
     auto def = content->getIndices()->getBlockDef(vox->id);
     auto assets = engine->getAssets();
-    auto layout = assets->getLayout(def->uiLayout);
+    auto layout = assets->get<UiDocument>(def->uiLayout);
     if (layout == nullptr) {
         throw std::runtime_error("block '"+def->name+"' has no ui layout");
     }
@@ -71,7 +71,7 @@ static int l_hud_show_overlay(lua::State* L) {
     bool playerInventory = lua::toboolean(L, 2);
 
     auto assets = engine->getAssets();
-    auto layout = assets->getLayout(name);
+    auto layout = assets->get<UiDocument>(name);
     if (layout == nullptr) {
         throw std::runtime_error("there is no ui layout "+util::quote(name));
     }
@@ -81,7 +81,7 @@ static int l_hud_show_overlay(lua::State* L) {
 
 static UiDocument* require_layout(const char* name) {
     auto assets = engine->getAssets();
-    auto layout = assets->getLayout(name);
+    auto layout = assets->get<UiDocument>(name);
     if (layout == nullptr) {
         throw std::runtime_error("layout '"+std::string(name)+"' is not found");
     }