fix: dialogue text now displays correctly

proj-windows/CMakeLists.txt

@@ -73,6 +73,15 @@ add_executable(space-game001
 	../src/GameConstants.cpp
 	../src/ScriptEngine.h
 	../src/ScriptEngine.cpp
+	../src/dialogue/DialogueTypes.h
+	../src/dialogue/DialogueDatabase.h
+	../src/dialogue/DialogueDatabase.cpp
+	../src/dialogue/DialogueRuntime.h
+	../src/dialogue/DialogueRuntime.cpp
+	../src/dialogue/DialogueOverlay.h
+	../src/dialogue/DialogueOverlay.cpp
+	../src/dialogue/DialogueSystem.h
+	../src/dialogue/DialogueSystem.cpp
 )
 
 # Установка проекта по умолчанию для Visual Studio

resources/dialogue/sample_dialogues.json

@@ -0,0 +1,168 @@
+{
+  "dialogues": [
+    {
+      "id": "test_line_dialogue",
+      "start": "line_1",
+      "nodes": [
+        {
+          "id": "line_1",
+          "type": "Line",
+          "speaker": "Ghost",
+          "portrait": "resources/ghost_avatar.png",
+          "text": "You finally came here.",
+          "next": "line_2"
+        },
+        {
+          "id": "line_2",
+          "type": "Line",
+          "speaker": "Hero",
+          "portrait": "",
+          "text": "I need answers.",
+          "next": "end_1"
+        },
+        {
+          "id": "end_1",
+          "type": "End"
+        }
+      ]
+    },
+
+    {
+      "id": "test_choice_dialogue",
+      "start": "line_1",
+      "nodes": [
+        {
+          "id": "line_1",
+          "type": "Line",
+          "speaker": "Merchant",
+          "portrait": "resources/ghost_avatar.png",
+          "text": "What do you want?",
+          "next": "choice_1"
+        },
+        {
+          "id": "choice_1",
+          "type": "Choice",
+          "speaker": "Hero",
+          "portrait": "",
+          "text": "Choose your answer.",
+          "choices": [
+            {
+              "id": "main_1",
+              "kind": "Main",
+              "text": "Show me your goods.",
+              "next": "line_goods"
+            },
+            {
+              "id": "optional_1",
+              "kind": "Optional",
+              "text": "Who are you?",
+              "next": "line_who"
+            }
+          ]
+        },
+        {
+          "id": "line_goods",
+          "type": "Line",
+          "speaker": "Merchant",
+          "portrait": "resources/ghost_avatar.png",
+          "text": "Take a look.",
+          "next": "end_1"
+        },
+        {
+          "id": "line_who",
+          "type": "Line",
+          "speaker": "Merchant",
+          "portrait": "resources/ghost_avatar.png",
+          "text": "Just a trader passing through.",
+          "next": "end_1"
+        },
+        {
+          "id": "end_1",
+          "type": "End"
+        }
+      ]
+    },
+
+    {
+      "id": "test_condition_dialogue",
+      "start": "set_flag_1",
+      "nodes": [
+        {
+          "id": "set_flag_1",
+          "type": "SetFlag",
+          "effects": [
+            { "flag": "met_ghost", "value": 1 }
+          ],
+          "next": "condition_1"
+        },
+        {
+          "id": "condition_1",
+          "type": "Condition",
+          "conditions": [
+            { "flag": "met_ghost", "op": "Equals", "value": 1 }
+          ],
+          "trueNext": "line_true",
+          "falseNext": "line_false"
+        },
+        {
+          "id": "line_true",
+          "type": "Line",
+          "speaker": "Ghost",
+          "portrait": "resources/ghost_avatar.png",
+          "text": "Now you know who I am.",
+          "next": "end_1"
+        },
+        {
+          "id": "line_false",
+          "type": "Line",
+          "speaker": "Ghost",
+          "portrait": "resources/ghost_avatar.png",
+          "text": "You should not hear this line.",
+          "next": "end_1"
+        },
+        {
+          "id": "end_1",
+          "type": "End"
+        }
+      ]
+    },
+
+    {
+      "id": "test_cutscene_dialogue",
+      "start": "cutscene_start",
+      "nodes": [
+        {
+          "id": "cutscene_start",
+          "type": "CutsceneStart",
+          "cutsceneId": "test_cutscene_01",
+          "next": "end_1"
+        },
+        {
+          "id": "end_1",
+          "type": "End"
+        }
+      ]
+    }
+  ],
+
+  "cutscenes": [
+    {
+      "id": "test_cutscene_01",
+      "background": "resources/first_cutscene.png",
+      "lines": [
+        {
+          "speaker": "Narrator",
+          "portrait": "",
+          "text": "The air in the room turned cold.",
+          "durationMs": 2200
+        },
+        {
+          "speaker": "Ghost",
+          "portrait": "resources/ghost_avatar.png",
+          "text": "Some memories never fade.",
+          "durationMs": 2600
+        }
+      ]
+    }
+  ]
+}

src/Game.cpp

@@ -227,6 +227,17 @@ namespace ZL
 
 		loadingCompleted = true;
 
+		dialogueSystem.init(renderer, CONST_ZIP_FILE);
+		dialogueSystem.loadDatabase("resources/dialogue/sample_dialogues.json");
+		dialogueSystem.addTriggerZone({
+			"ghost_room_trigger",
+			"test_line_dialogue",
+			Eigen::Vector3f(0.0f, 0.0f, -8.5f),
+			2.0f,
+			true,
+			false
+		});
+
 		scriptEngine.init(this);
 
 		std::cout << "Load resurces step 13" << std::endl;
@@ -237,12 +248,22 @@ namespace ZL
 	{
 		glClear(GL_DEPTH_BUFFER_BIT);
 
+		glDisable(GL_DEPTH_TEST);
+		glDepthMask(GL_FALSE);
+
 		renderer.shaderManager.PushShader(defaultShaderName);
 		renderer.RenderUniform1i(textureUniformName, 0);
 		glEnable(GL_BLEND);
+
 		menuManager.uiManager.draw(renderer);
+		dialogueSystem.draw(renderer);
+
 		glDisable(GL_BLEND);
 		renderer.shaderManager.PopShader();
+
+		glDepthMask(GL_TRUE);
+		glEnable(GL_DEPTH_TEST);
+
 		CheckGlError();
 	}
 
@@ -361,7 +382,10 @@ namespace ZL
 			lastTickCount = newTickCount;
 
 			if (player) player->update(delta);
-			for (auto& npc : npcs) npc->update(delta);
+			//for (auto& npc : npcs) npc->update(delta);
+			if (player) {
+				dialogueSystem.update(static_cast<int>(delta), player->position);
+			}
 		}
 
 
@@ -450,6 +474,11 @@ namespace ZL
 					if (event.type == SDL_MOUSEBUTTONDOWN) {
 						handleDown(ZL::UiManager::MOUSE_FINGER_ID, mx, my);
 
+						if (dialogueSystem.blocksGameplayInput()) {
+							dialogueSystem.handlePointerReleased(static_cast<float>(mx), Environment::projectionHeight - static_cast<float>(my));
+							continue;
+						}
+
 						// Unproject click to ground plane (y=0) for Viola's walk target
 						float ndcX = 2.0f * event.button.x / Environment::width - 1.0f;
 						float ndcY = 1.0f - 2.0f * event.button.y / Environment::height;
@@ -521,6 +550,27 @@ namespace ZL
 				}
 			}
 
+			if (event.type == SDL_KEYDOWN && dialogueSystem.handleKeyDown(event.key.keysym.sym)) {
+				continue;
+			}
+
+			if (event.type == SDL_KEYDOWN && event.key.repeat == 0) {
+				switch (event.key.keysym.sym) {
+				case SDLK_f:
+					dialogueSystem.startDialogue("test_line_dialogue");
+					break;
+
+				case SDLK_e:
+					dialogueSystem.startDialogue("test_cutscene_dialogue");
+					break;
+
+				case SDLK_RETURN:
+
+				default:
+					break;
+				}
+			}
+
 			// Обработка ввода текста
 			if (event.type == SDL_KEYDOWN) {
 				if (event.key.keysym.sym == SDLK_BACKSPACE) {
@@ -601,5 +651,20 @@ namespace ZL
 
 	}
 
+	bool Game::requestDialogueStart(const std::string& dialogueId)
+	{
+		return dialogueSystem.startDialogue(dialogueId);
+	}
+
+	void Game::setDialogueFlag(const std::string& flag, int value)
+	{
+		dialogueSystem.setFlag(flag, value);
+	}
+
+	int Game::getDialogueFlag(const std::string& flag) const
+	{
+		return dialogueSystem.getFlag(flag);
+	}
+
 
 }  // namespace ZL

src/Game.h

@@ -17,6 +17,7 @@
 #include <render/TextRenderer.h>
 #include "MenuManager.h"
 #include "ScriptEngine.h"
+#include "dialogue/DialogueSystem.h"
 
 #include <unordered_set>
 
@@ -33,6 +34,9 @@ namespace ZL {
 		void render();
 
 		bool shouldExit() const { return Environment::exitGameLoop; }
+		bool requestDialogueStart(const std::string& dialogueId);
+		void setDialogueFlag(const std::string& flag, int value);
+		int getDialogueFlag(const std::string& flag) const;
 
 		Renderer renderer;
 		TaskManager taskManager;
@@ -94,6 +98,7 @@ namespace ZL {
 		static const size_t CONST_MAX_TIME_INTERVAL = 1000;
 
 		MenuManager menuManager;
+		Dialogue::DialogueSystem dialogueSystem;
 		ScriptEngine scriptEngine;
 	};
 

src/ScriptEngine.cpp

@@ -47,6 +47,23 @@ void ScriptEngine::init(Game* game) {
             npcs[index]->setTarget(Eigen::Vector3f(x, y, z), std::move(cb));
         });
 
+    api.set_function("start_dialogue",
+        [game](const std::string& dialogueId) {
+            if (!game->requestDialogueStart(dialogueId)) {
+				std::cerr << "[script] start_dialogue failed for id: " << dialogueId << "\n";
+            }
+        });
+
+    api.set_function("set_dialogue_flag",
+        [game](const std::string& flag, int value) {
+            game->setDialogueFlag(flag, value);
+        });
+
+    api.set_function("get_dialogue_flag", 
+        [game](const std::string& flag) {
+            return game->getDialogueFlag(flag);
+        });
+
     runScript("resources/start.lua");
 }
 

src/dialogue/DialogueDatabase.cpp

@@ -0,0 +1,195 @@
+#include "dialogue/DialogueDatabase.h"
+
+#include "utils/Utils.h"
+#include <iostream>
+
+namespace ZL::Dialogue {
+
+NodeType DialogueDatabase::parseNodeType(const std::string& value) {
+	if (value == "Choice") return NodeType::Choice;
+	if (value == "Condition") return NodeType::Condition;
+	if (value == "SetFlag") return NodeType::SetFlag;
+	if (value == "Jump") return NodeType::Jump;
+	if (value == "End") return NodeType::End;
+	if (value == "CutsceneStart") return NodeType::CutsceneStart;
+	return NodeType::Line;
+}
+
+ChoiceKind DialogueDatabase::parseChoiceKind(const std::string& value) {
+	if (value == "Optional") return ChoiceKind::Optional;
+	if (value == "Exit") return ChoiceKind::Exit;
+	return ChoiceKind::Main;
+}
+
+ComparisonOp DialogueDatabase::parseComparisonOp(const std::string& value) {
+	if (value == "==" || value == "Equals") return ComparisonOp::Equals;
+	if (value == "!=" || value == "NotEquals") return ComparisonOp::NotEquals;
+	if (value == ">=" || value == "GreaterOrEqual") return ComparisonOp::GreaterOrEqual;
+	if (value == "<=" || value == "LessOrEqual") return ComparisonOp::LessOrEqual;
+	return ComparisonOp::Exists;
+}
+
+Condition DialogueDatabase::parseCondition(const json& j) {
+	Condition c;
+	c.flag = j.value("flag", "");
+	c.op = parseComparisonOp(j.value("op", "Exists"));
+	c.value = j.value("value", 1);
+	return c;
+}
+
+Effect DialogueDatabase::parseEffect(const json& j) {
+	Effect e;
+	e.flag = j.value("flag", "");
+	e.value = j.value("value", 1);
+	e.relative = j.value("relative", false);
+	return e;
+}
+
+Choice DialogueDatabase::parseChoice(const json& j) {
+	Choice c;
+	c.id = j.value("id", "");
+	c.text = j.value("text", "");
+	c.next = j.value("next", "");
+	c.kind = parseChoiceKind(j.value("kind", "Main"));
+	c.consumeOnce = j.value("consumeOnce", false);
+
+	if (j.contains("conditions") && j["conditions"].is_array()) {
+		for (const auto& item : j["conditions"]) {
+			c.conditions.push_back(parseCondition(item));
+		}
+	}
+	if (j.contains("effects") && j["effects"].is_array()) {
+		for (const auto& item : j["effects"]) {
+			c.effects.push_back(parseEffect(item));
+		}
+	}
+	return c;
+}
+
+Node DialogueDatabase::parseNode(const json& j) {
+	Node node;
+	node.id = j.value("id", "");
+	node.type = parseNodeType(j.value("type", "Line"));
+	node.speaker = j.value("speaker", "");
+	node.text = j.value("text", "");
+	node.portrait = j.value("portrait", "");
+	node.next = j.value("next", "");
+	node.trueNext = j.value("trueNext", "");
+	node.falseNext = j.value("falseNext", "");
+	node.cutsceneId = j.value("cutsceneId", "");
+
+	if (j.contains("conditions") && j["conditions"].is_array()) {
+		for (const auto& item : j["conditions"]) {
+			node.conditions.push_back(parseCondition(item));
+		}
+	}
+	if (j.contains("effects") && j["effects"].is_array()) {
+		for (const auto& item : j["effects"]) {
+			node.effects.push_back(parseEffect(item));
+		}
+	}
+	if (j.contains("choices") && j["choices"].is_array()) {
+		for (const auto& item : j["choices"]) {
+			node.choices.push_back(parseChoice(item));
+		}
+	}
+
+	return node;
+}
+
+DialogueDefinition DialogueDatabase::parseDialogue(const json& j) {
+	DialogueDefinition result;
+	result.id = j.value("id", "");
+	result.displayName = j.value("displayName", result.id);
+	result.startNode = j.value("start", "");
+
+	if (j.contains("nodes") && j["nodes"].is_array()) {
+		for (const auto& item : j["nodes"]) {
+			Node node = parseNode(item);
+			if (!node.id.empty()) {
+				result.nodes[node.id] = std::move(node);
+			}
+		}
+	}
+
+	return result;
+}
+
+CutsceneLine DialogueDatabase::parseCutsceneLine(const json& j) {
+	CutsceneLine line;
+	line.speaker = j.value("speaker", "");
+	line.text = j.value("text", "");
+	line.portrait = j.value("portrait", "");
+	line.sfx = j.value("sfx", "");
+	line.durationMs = j.value("durationMs", 0);
+	line.waitForConfirm = j.value("waitForConfirm", false);
+	return line;
+}
+
+StaticCutsceneDefinition DialogueDatabase::parseCutscene(const json& j) {
+	StaticCutsceneDefinition cutscene;
+	cutscene.id = j.value("id", "");
+	cutscene.background = j.value("background", "");
+	cutscene.music = j.value("music", "");
+	cutscene.skippable = j.value("skippable", true);
+
+	if (j.contains("lines") && j["lines"].is_array()) {
+		for (const auto& item : j["lines"]) {
+			cutscene.lines.push_back(parseCutsceneLine(item));
+		}
+	}
+
+	return cutscene;
+}
+
+bool DialogueDatabase::loadFromFile(const std::string& path) {
+	dialogues.clear();
+	cutscenes.clear();
+
+	const std::string raw = ZL::readTextFile(path);
+	if (raw.empty()) {
+		std::cerr << "[dialogue] Failed to read file: " << path << "\n";
+		return false;
+	}
+
+	json root;
+	try {
+		root = json::parse(raw);
+	}
+	catch (const std::exception& e) {
+		std::cerr << "[dialogue] JSON parse error in " << path << ": " << e.what() << "\n";
+		return false;
+	}
+
+	if (root.contains("dialogues") && root["dialogues"].is_array()) {
+		for (const auto& item : root["dialogues"]) {
+			DialogueDefinition dialogue = parseDialogue(item);
+			if (!dialogue.id.empty()) {
+				dialogues[dialogue.id] = std::move(dialogue);
+			}
+		}
+	}
+
+	if (root.contains("cutscenes") && root["cutscenes"].is_array()) {
+		for (const auto& item : root["cutscenes"]) {
+			StaticCutsceneDefinition cutscene = parseCutscene(item);
+			if (!cutscene.id.empty()) {
+				cutscenes[cutscene.id] = std::move(cutscene);
+			}
+		}
+	}
+
+	return !dialogues.empty();
+}
+
+const DialogueDefinition* DialogueDatabase::findDialogue(const std::string& id) const {
+	auto it = dialogues.find(id);
+	return (it != dialogues.end()) ? &it->second : nullptr;
+}
+
+const StaticCutsceneDefinition* DialogueDatabase::findCutscene(const std::string& id) const {
+	auto it = cutscenes.find(id);
+	return (it != cutscenes.end()) ? &it->second : nullptr;
+}
+
+} // namespace ZL::Dialogue

src/dialogue/DialogueDatabase.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include "dialogue/DialogueTypes.h"
+#include "external/nlohmann/json.hpp"
+#include <string>
+#include <unordered_map>
+
+namespace ZL::Dialogue {
+
+class DialogueDatabase {
+public:
+	using json = nlohmann::json;
+
+	bool loadFromFile(const std::string& path);
+
+	const DialogueDefinition* findDialogue(const std::string& id) const;
+	const StaticCutsceneDefinition* findCutscene(const std::string& id) const;
+
+private:
+	std::unordered_map<std::string, DialogueDefinition> dialogues;
+	std::unordered_map<std::string, StaticCutsceneDefinition> cutscenes;
+
+	static NodeType parseNodeType(const std::string& value);
+	static ChoiceKind parseChoiceKind(const std::string& value);
+	static ComparisonOp parseComparisonOp(const std::string& value);
+
+	static Condition parseCondition(const json& j);
+	static Effect parseEffect(const json& j);
+	static Choice parseChoice(const json& j);
+	static Node parseNode(const json& j);
+	static DialogueDefinition parseDialogue(const json& j);
+	static CutsceneLine parseCutsceneLine(const json& j);
+	static StaticCutsceneDefinition parseCutscene(const json& j);
+
+
+};
+
+} // namespace ZL::Dialogue

src/dialogue/DialogueOverlay.cpp

@@ -0,0 +1,270 @@
+#include "dialogue/DialogueOverlay.h"
+#include "dialogue/DialogueTypes.h"
+
+#include "GameConstants.h"
+#include "Environment.h"
+#include <algorithm>
+
+namespace ZL::Dialogue {
+
+void DialogueOverlay::TexturedQuad::rebuild(const UiRect& newRect) {
+	rect = newRect;
+	mesh.data = CreateRect2D(
+		{ rect.x + rect.w * 0.5f, rect.y + rect.h * 0.5f },
+		{ rect.w * 0.5f, rect.h * 0.5f },
+		0.0f
+	);
+	mesh.RefreshVBO();
+	initialized = true;
+}
+
+bool DialogueOverlay::init(Renderer& renderer, const std::string& zipFile) {
+    rendererRef = &renderer;
+    zipFilename = zipFile;
+
+    textboxTexture = std::make_shared<Texture>(CreateTextureDataFromPng("resources/dialogue/textbox_bg.png", zipFile));
+    portraitFrameTexture = std::make_shared<Texture>(CreateTextureDataFromPng("resources/dialogue/portrait_frame.png", zipFile));
+    choiceMainTexture = std::make_shared<Texture>(CreateTextureDataFromPng("resources/dialogue/choice_main.png", zipFile));
+    choiceOptionalTexture = std::make_shared<Texture>(CreateTextureDataFromPng("resources/dialogue/choice_optional.png", zipFile));
+    choiceSelectedTexture = std::make_shared<Texture>(CreateTextureDataFromPng("resources/dialogue/choice_selected.png", zipFile));
+    cutsceneSubtitleTexture = std::make_shared<Texture>(CreateTextureDataFromPng("resources/dialogue/cutscene_subtitle_bg.png", zipFile));
+
+    nameRenderer = std::make_unique<TextRenderer>();
+    bodyRenderer = std::make_unique<TextRenderer>();
+    choiceRenderer = std::make_unique<TextRenderer>();
+    cutsceneRenderer = std::make_unique<TextRenderer>();
+
+    const bool ok =
+        nameRenderer->init(renderer, "resources/fonts/DroidSans.ttf", 28, zipFile) &&
+        bodyRenderer->init(renderer, "resources/fonts/DroidSans.ttf", 24, zipFile) &&
+        choiceRenderer->init(renderer, "resources/fonts/DroidSans.ttf", 22, zipFile) &&
+        cutsceneRenderer->init(renderer, "resources/fonts/DroidSans.ttf", 24, zipFile);
+
+    return ok;
+}
+
+void DialogueOverlay::draw(Renderer& renderer, const PresentationModel& model) {
+    if (model.mode == PresentationMode::Hidden) {
+        lastChoiceRects.clear();
+        return;
+    }
+
+    if (model.mode == PresentationMode::Cutscene) {
+        drawCutscene(renderer, model);
+    }
+    else {
+        drawDialogue(renderer, model);
+    }
+}
+
+void DialogueOverlay::drawDialogue(Renderer& renderer, const PresentationModel& model) {
+    const float W = Environment::projectionWidth;
+    const float H = Environment::projectionHeight;
+
+    const UiRect portraitRect{ 24.0f, 24.0f, 182.0f, 182.0f };
+    const UiRect textboxRect{ 220.0f, 24.0f, max(200.0f, W - 244.0f), 182.0f };
+
+    if (!portraitQuad.initialized || portraitQuad.rect.w != portraitRect.w || portraitQuad.rect.h != portraitRect.h ||
+        portraitQuad.rect.x != portraitRect.x || portraitQuad.rect.y != portraitRect.y) {
+        portraitQuad.rebuild(portraitRect);
+    }
+    if (!textboxQuad.initialized || textboxQuad.rect.w != textboxRect.w || textboxQuad.rect.h != textboxRect.h ||
+        textboxQuad.rect.x != textboxRect.x || textboxQuad.rect.y != textboxRect.y) {
+        textboxQuad.rebuild(textboxRect);
+    }
+
+    glEnable(GL_BLEND);
+    renderer.shaderManager.PushShader(defaultShaderName);
+    renderer.RenderUniform1i(textureUniformName, 0);
+    renderer.PushProjectionMatrix(0.0f, W, 0.0f, H, -10.0f, 10.0f);
+    renderer.PushMatrix();
+    renderer.LoadIdentity();
+
+    drawQuad(renderer, textboxQuad, textboxTexture);
+    drawQuad(renderer, portraitQuad, model.portraitPath.empty() ? portraitFrameTexture : loadTextureCached(model.portraitPath));
+    drawQuad(renderer, portraitQuad, portraitFrameTexture);
+
+    renderer.PopMatrix();
+    renderer.PopProjectionMatrix();
+    renderer.shaderManager.PopShader();
+
+    const float nameX = textboxRect.x + 24.0f;
+    const float nameY = textboxRect.y + textboxRect.h - 38.0f;
+    const float bodyX = textboxRect.x + 24.0f;
+    const float bodyY = textboxRect.y + textboxRect.h - 78.0f;
+
+    if (!model.speaker.empty()) {
+        nameRenderer->drawText(model.speaker, nameX, nameY, 1.0f, false, { 1.0f, 0.88f, 0.45f, 1.0f });
+    }
+
+    const std::string wrappedBody = wrapText(model.visibleText, 56);
+    bodyRenderer->drawText(wrappedBody, bodyX, bodyY, 1.0f, false, { 1.0f, 1.0f, 1.0f, 1.0f });
+
+    lastChoiceRects.clear();
+    if (model.mode == PresentationMode::Choice) {
+        const float choiceStartY = textboxRect.y + 56.0f;
+        const float choiceHeight = 30.0f;
+        const float choiceSpacing = 8.0f;
+        const float choiceWidth = textboxRect.w - 48.0f;
+
+        if (choiceQuads.size() < model.choices.size()) {
+            choiceQuads.resize(model.choices.size());
+        }
+
+        renderer.shaderManager.PushShader(defaultShaderName);
+        renderer.RenderUniform1i(textureUniformName, 0);
+        renderer.PushProjectionMatrix(0.0f, W, 0.0f, H, -10.0f, 10.0f);
+        renderer.PushMatrix();
+        renderer.LoadIdentity();
+
+        for (size_t i = 0; i < model.choices.size(); ++i) {
+            const float y = choiceStartY + (choiceHeight + choiceSpacing) * static_cast<float>(model.choices.size() - 1 - i);
+            UiRect rect{ textboxRect.x + 20.0f, y, choiceWidth, choiceHeight };
+            lastChoiceRects.push_back(rect);
+            choiceQuads[i].rebuild(rect);
+
+            const bool isSelected = static_cast<int>(i) == model.selectedChoice;
+            std::shared_ptr<Texture> choiceTexture = choiceMainTexture;
+            if (model.choices[i].kind == ChoiceKind::Optional) {
+                choiceTexture = choiceOptionalTexture;
+            }
+            if (isSelected) {
+                choiceTexture = choiceSelectedTexture;
+            }
+            drawQuad(renderer, choiceQuads[i], choiceTexture);
+        }
+
+        renderer.PopMatrix();
+        renderer.PopProjectionMatrix();
+        renderer.shaderManager.PopShader();
+
+        for (size_t i = 0; i < model.choices.size(); ++i) {
+            const UiRect& rect = lastChoiceRects[i];
+            const bool isSelected = static_cast<int>(i) == model.selectedChoice;
+            const std::array<float, 4> color = (model.choices[i].kind == ChoiceKind::Optional)
+                ? std::array<float, 4>{0.82f, 0.82f, 0.82f, 1.0f}
+            : std::array<float, 4>{ 1.0f, 0.93f, 0.65f, 1.0f };
+
+            choiceRenderer->drawText(
+                wrapText(model.choices[i].text, 52),
+                rect.x + 14.0f,
+                rect.y + 9.0f,
+                1.0f,
+                false,
+                isSelected ? std::array<float, 4>{1.0f, 1.0f, 1.0f, 1.0f} : color
+            );
+        }
+    }
+
+    glDisable(GL_BLEND);
+}
+
+void DialogueOverlay::drawCutscene(Renderer& renderer, const PresentationModel& model) {
+    const float W = Environment::projectionWidth;
+    const float H = Environment::projectionHeight;
+    const UiRect fullscreenRect{ 0.0f, 0.0f, W, H };
+    const UiRect subtitleRect{ W * 0.12f, 22.0f, W * 0.76f, 110.0f };
+
+    backgroundQuad.rebuild(fullscreenRect);
+    subtitleQuad.rebuild(subtitleRect);
+
+    glEnable(GL_BLEND);
+    renderer.shaderManager.PushShader(defaultShaderName);
+    renderer.RenderUniform1i(textureUniformName, 0);
+    renderer.PushProjectionMatrix(0.0f, W, 0.0f, H, -10.0f, 10.0f);
+    renderer.PushMatrix();
+    renderer.LoadIdentity();
+
+    if (!model.backgroundPath.empty()) {
+        drawQuad(renderer, backgroundQuad, loadTextureCached(model.backgroundPath));
+    }
+    drawQuad(renderer, subtitleQuad, cutsceneSubtitleTexture);
+
+    renderer.PopMatrix();
+    renderer.PopProjectionMatrix();
+    renderer.shaderManager.PopShader();
+
+    if (!model.speaker.empty()) {
+        nameRenderer->drawText(model.speaker, subtitleRect.x + 24.0f, subtitleRect.y + subtitleRect.h - 32.0f, 1.0f, false, { 1.0f, 0.88f, 0.45f, 1.0f });
+    }
+    cutsceneRenderer->drawText(
+        wrapText(model.visibleText, 62),
+        subtitleRect.x + 24.0f,
+        subtitleRect.y + 30.0f,
+        1.0f,
+        false,
+        { 1.0f, 1.0f, 1.0f, 1.0f }
+    );
+
+    glDisable(GL_BLEND);
+}
+
+bool DialogueOverlay::handlePointerReleased(float x, float y, const PresentationModel& model, int& outChoiceIndex) const {
+    outChoiceIndex = -1;
+    if (model.mode != PresentationMode::Choice) {
+        return false;
+    }
+
+    for (size_t i = 0; i < lastChoiceRects.size(); ++i) {
+        if (lastChoiceRects[i].contains(x, y)) {
+            outChoiceIndex = static_cast<int>(i);
+            return true;
+        }
+    }
+    return false;
+}
+
+std::shared_ptr<Texture> DialogueOverlay::loadTextureCached(const std::string& path) {
+    if (path.empty()) {
+        return nullptr;
+    }
+
+    auto it = textureCache.find(path);
+    if (it != textureCache.end()) {
+        return it->second;
+    }
+
+    auto texture = std::make_shared<Texture>(CreateTextureDataFromPng(path, zipFilename));
+    textureCache[path] = texture;
+    return texture;
+}
+
+void DialogueOverlay::drawQuad(Renderer& renderer, const TexturedQuad& quad, const std::shared_ptr<Texture>& texture) const {
+    if (!texture) {
+        return;
+    }
+
+    glBindTexture(GL_TEXTURE_2D, texture->getTexID());
+    renderer.DrawVertexRenderStruct(quad.mesh);
+}
+
+std::string DialogueOverlay::wrapText(const std::string& input, size_t maxLineLength) {
+    if (input.size() <= maxLineLength) {
+        return input;
+    }
+
+    std::string output;
+    size_t lineStart = 0;
+    while (lineStart < input.size()) {
+        size_t lineEnd = min(lineStart + maxLineLength, input.size());
+        if (lineEnd < input.size()) {
+            const size_t split = input.rfind(' ', lineEnd);
+            if (split != std::string::npos && split > lineStart) {
+                lineEnd = split;
+            }
+        }
+
+        output.append(input.substr(lineStart, lineEnd - lineStart));
+        if (lineEnd < input.size()) {
+            output.push_back('\n');
+            lineStart = lineEnd + (input[lineEnd] == ' ' ? 1 : 0);
+        }
+        else {
+            lineStart = lineEnd;
+        }
+    }
+
+    return output;
+}
+
+} // namespace ZL::Dialogue

src/dialogue/DialogueOverlay.h

@@ -0,0 +1,66 @@
+#pragma once
+
+#include "dialogue/DialogueRuntime.h"
+#include "render/Renderer.h"
+#include "render/TextRenderer.h"
+#include "render/TextureManager.h"
+#include "UiManager.h"
+#include <memory>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+namespace ZL::Dialogue {
+
+class DialogueOverlay {
+public:
+    bool init(Renderer& renderer, const std::string& zipFile = "");
+    void draw(Renderer& renderer, const PresentationModel& model);
+
+    // Coordinates are expected in the game's UI projection space
+    bool handlePointerReleased(float x, float y, const PresentationModel& model, int& outChoiceIndex) const;
+
+private:
+    struct TexturedQuad {
+        UiRect rect;
+        VertexRenderStruct mesh;
+        bool initialized = false;
+
+        void rebuild(const UiRect& newRect);
+    };
+
+    Renderer* rendererRef = nullptr;
+    std::string zipFilename;
+
+    std::shared_ptr<Texture> textboxTexture;
+    std::shared_ptr<Texture> portraitFrameTexture;
+    std::shared_ptr<Texture> choiceMainTexture;
+    std::shared_ptr<Texture> choiceOptionalTexture;
+    std::shared_ptr<Texture> choiceSelectedTexture;
+    std::shared_ptr<Texture> cutsceneSubtitleTexture;
+
+    mutable std::vector<UiRect> lastChoiceRects;
+
+    std::unique_ptr<TextRenderer> nameRenderer;
+    std::unique_ptr<TextRenderer> bodyRenderer;
+    std::unique_ptr<TextRenderer> choiceRenderer;
+    std::unique_ptr<TextRenderer> cutsceneRenderer;
+
+    TexturedQuad portraitQuad;
+    TexturedQuad textboxQuad;
+    TexturedQuad subtitleQuad;
+    TexturedQuad backgroundQuad;
+    mutable std::vector<TexturedQuad> choiceQuads;
+
+    std::unordered_map<std::string, std::shared_ptr<Texture>> textureCache;
+
+    void drawDialogue(Renderer& renderer, const PresentationModel& model);
+    void drawCutscene(Renderer& renderer, const PresentationModel& model);
+
+    std::shared_ptr<Texture> loadTextureCached(const std::string& path);
+    void drawQuad(Renderer& renderer, const TexturedQuad& quad, const std::shared_ptr<Texture>& texture) const;
+
+    static std::string wrapText(const std::string& input, size_t maxLineLength);
+};
+
+} // namespace ZL::Dialogue

src/dialogue/DialogueRuntime.cpp

@@ -0,0 +1,439 @@
+#include "dialogue/DialogueRuntime.h"
+
+#include <algorithm>
+#include <iostream>
+
+namespace ZL::Dialogue {
+	
+void DialogueRuntime::setDatabase(const DialogueDatabase* value) {
+	database = value;
+}
+
+bool DialogueRuntime::startDialogue(const std::string& dialogueId) {
+	if (!database) {
+		std::cerr << "[dialogue] No database assigned to runtime\n";
+		return false;
+	}
+
+	const DialogueDefinition* dialogue = database->findDialogue(dialogueId);
+	if (!dialogue) {
+		std::cerr << "[dialogue] Dialogue not found: " << dialogueId << "\n";
+		return false;
+	}
+
+	activeDialogue = dialogue;
+	activeCutscene = nullptr;
+	currentNodeId.clear();
+	pendingNodeAfterCutscene.clear();
+	visibleChoices.clear();
+	selectedChoice = 0;
+	revealCharacters = 0.0f;
+	currentCutsceneLine = -1;
+	cutsceneTimerMs = 0;
+	presentation = {};
+	presentation.dialogueId = dialogue->id;
+
+	return enterNode(dialogue->startNode);
+}
+
+void DialogueRuntime::stop() {
+	activeDialogue = nullptr;
+	activeCutscene = nullptr;
+	currentNodeId.clear();
+	pendingNodeAfterCutscene.clear();
+	visibleChoices.clear();
+	selectedChoice = 0;
+	revealCharacters = 0.0f;
+	currentCutsceneLine = -1;
+	cutsceneTimerMs = 0;
+	mode = Mode::Inactive;
+	presentation = {};
+}
+
+void DialogueRuntime::update(int deltaMs) {
+	if (mode == Mode::PresentingLine) {
+		if (!presentation.revealCompleted) {
+			revealCharacters += revealSpeedCharsPerSecond * (static_cast<float>(deltaMs) / 1000.0f);
+			const size_t fullLen = presentation.fullText.size();
+			const size_t visibleLen = static_cast<size_t>(std::min<float>(revealCharacters, static_cast<float>(fullLen)));
+			presentation.visibleText = presentation.fullText.substr(0, visibleLen);
+			presentation.revealCompleted = (visibleLen >= fullLen);
+		}
+		return;
+	}
+
+	if (mode == Mode::PlayingCutscene && activeCutscene) {
+		if (currentCutsceneLine < 0 || currentCutsceneLine >= static_cast<int>(activeCutscene->lines.size())) {
+			advanceCutsceneLine();
+			return;
+		}
+
+		const CutsceneLine& line = activeCutscene->lines[currentCutsceneLine];
+		if (line.waitForConfirm) {
+			return;
+		}
+
+		cutsceneTimerMs += deltaMs;
+		const int durationMs = (line.durationMs > 0) ? line.durationMs : computeFallbackCutsceneDurationMs(line.text);
+		if (cutsceneTimerMs >= durationMs) {
+			advanceCutsceneLine();
+		}
+	}
+}
+
+void DialogueRuntime::confirmAdvance() {
+	if (mode == Mode::PresentingLine) {
+		if (!presentation.revealCompleted) {
+			presentation.visibleText = presentation.fullText;
+			presentation.revealCompleted = true;
+			revealCharacters = static_cast<float>(presentation.fullText.size());
+			return;
+		}
+
+		if (!activeDialogue) {
+			stop();
+			return;
+		}
+
+		auto it = activeDialogue->nodes.find(currentNodeId);
+		if (it == activeDialogue->nodes.end()) {
+			stop();
+			return;
+		}
+
+		if (!it->second.next.empty()) {
+			enterNode(it->second.next);
+		}
+		else {
+			stop();
+		}
+		return;
+	}
+
+	if (mode == Mode::WaitingForChoice) {
+		if (visibleChoices.empty()) {
+			return;
+		}
+
+		const Choice& choice = visibleChoices[std::clamp(selectedChoice, 0, static_cast<int>(visibleChoices.size()) - 1)];
+		if (choice.consumeOnce && !choice.id.empty()) {
+			consumedChoices.insert(choice.id);
+		}
+		applyEffects(choice.effects);
+		enterNode(choice.next);
+		return;
+	}
+
+	if (mode == Mode::PlayingCutscene) {
+		advanceCutsceneLine();
+	}
+}
+
+void DialogueRuntime::moveSelection(int delta) {
+	if (mode != Mode::WaitingForChoice || visibleChoices.empty()) {
+		return;
+	}
+
+	const int count = static_cast<int>(visibleChoices.size());
+	selectedChoice = (selectedChoice + delta) % count;
+	if (selectedChoice < 0) {
+		selectedChoice += count;
+	}
+	presentation.selectedChoice = selectedChoice;
+}
+
+void DialogueRuntime::setFlag(const std::string& name, int value) {
+	flags[name] = value;
+}
+
+int DialogueRuntime::getFlag(const std::string& name) const {
+	auto it = flags.find(name);
+	return (it != flags.end()) ? it->second : 0;
+}
+
+bool DialogueRuntime::evaluateConditions(const std::vector<Condition>& conditions) const {
+	for (const Condition& condition : conditions) {
+		const int currentValue = getFlag(condition.flag);
+		switch (condition.op) {
+		case ComparisonOp::Exists:
+			if (currentValue == 0) return false;
+			break;
+		case ComparisonOp::Equals:
+			if (currentValue != condition.value) return false;
+			break;
+		case ComparisonOp::NotEquals:
+			if (currentValue == condition.value) return false;
+			break;
+		case ComparisonOp::GreaterOrEqual:
+			if (currentValue < condition.value) return false;
+			break;
+		case ComparisonOp::LessOrEqual:
+			if (currentValue > condition.value) return false;
+			break;
+		}
+	}
+	return true;
+}
+
+void DialogueRuntime::applyEffects(const std::vector<Effect>& effects) {
+	for (const Effect& effect : effects) {
+		if (effect.flag.empty()) {
+			continue;
+		}
+		if (effect.relative) {
+			flags[effect.flag] += effect.value;
+		}
+		else {
+			flags[effect.flag] = effect.value;
+		}
+	}
+}
+
+bool DialogueRuntime::enterNode(const std::string& nodeId) {
+	if (!activeDialogue) {
+		stop();
+		return false;
+	}
+
+	auto it = activeDialogue->nodes.find(nodeId);
+	if (it == activeDialogue->nodes.end()) {
+		std::cerr << "[dialogue] Node not found: " << nodeId << " in dialogue " << activeDialogue->id << "\n";
+		stop();
+		return false;
+	}
+
+	const Node& node = it->second;
+	currentNodeId = node.id;
+	presentation.dialogueId = activeDialogue->id;
+
+	switch (node.type) {
+	case NodeType::Line:
+		presentLine(node);
+		return true;
+
+	case NodeType::Choice:
+		presentChoices(node);
+		return true;
+
+	case NodeType::Condition:
+		if (evaluateConditions(node.conditions)) {
+			return enterNode(!node.trueNext.empty() ? node.trueNext : node.next);
+		}
+		return enterNode(node.falseNext);
+
+	case NodeType::SetFlag:
+		applyEffects(node.effects);
+		if (!node.next.empty()) {
+			return enterNode(node.next);
+		}
+		stop();
+		return true;
+
+	case NodeType::Jump:
+		if (!node.next.empty()) {
+			return enterNode(node.next);
+		}
+		stop();
+		return true;
+
+	case NodeType::End:
+		stop();
+		return true;
+
+	case NodeType::CutsceneStart:
+		startCutscene(node.cutsceneId, node.next);
+		return true;
+	}
+
+	stop();
+	return false;
+}
+
+void DialogueRuntime::presentLine(const Node& node) {
+	mode = Mode::PresentingLine;
+	revealCharacters = 0.0f;
+	presentation.mode = PresentationMode::Dialogue;
+	presentation.speaker = node.speaker;
+	presentation.fullText = node.text;
+	presentation.visibleText.clear();
+	presentation.portraitPath = node.portrait;
+	presentation.backgroundPath.clear();
+	presentation.choices.clear();
+	presentation.selectedChoice = 0;
+	presentation.revealCompleted = node.text.empty();
+
+	if (presentation.revealCompleted) {
+		presentation.visibleText = node.text;
+		revealCharacters = static_cast<float>(node.text.size());
+	}
+}
+
+void DialogueRuntime::presentChoices(const Node& node) {
+	visibleChoices.clear();
+	presentation.choices.clear();
+
+	for (const Choice& choice : node.choices) {
+		if (!choice.id.empty() && consumedChoices.count(choice.id) > 0) {
+			continue;
+		}
+		if (!evaluateConditions(choice.conditions)) {
+			continue;
+		}
+		visibleChoices.push_back(choice);
+		presentation.choices.push_back({ choice.id, choice.text, choice.kind });
+	}
+
+	if (visibleChoices.empty()) {
+		if (!node.next.empty()) {
+			enterNode(node.next);
+		}
+		else {
+			stop();
+		}
+		return;
+	}
+
+	mode = Mode::WaitingForChoice;
+	selectedChoice = 0;
+	presentation.mode = PresentationMode::Choice;
+	presentation.speaker = node.speaker;
+	presentation.fullText = node.text;
+	presentation.visibleText = node.text;
+	presentation.portraitPath = node.portrait;
+	presentation.backgroundPath.clear();
+	presentation.selectedChoice = 0;
+	presentation.revealCompleted = true;
+}
+
+void DialogueRuntime::startCutscene(const std::string& cutsceneId, const std::string& nextNodeAfterCutscene) {
+	if (!database) {
+		stop();
+		return;
+	}
+
+	const StaticCutsceneDefinition* cutscene = database->findCutscene(cutsceneId);
+	if (!cutscene) {
+		std::cerr << "[dialogue] Cutscene not found: " << cutsceneId << "\n";
+		if (!nextNodeAfterCutscene.empty()) {
+			enterNode(nextNodeAfterCutscene);
+		}
+		else {
+			stop();
+		}
+		return;
+	}
+
+	activeCutscene = cutscene;
+	pendingNodeAfterCutscene = nextNodeAfterCutscene;
+	mode = Mode::PlayingCutscene;
+	currentCutsceneLine = -1;
+	cutsceneTimerMs = 0;
+	advanceCutsceneLine();
+}
+
+void DialogueRuntime::advanceCutsceneLine() {
+	if (!activeCutscene) {
+		stop();
+		return;
+	}
+
+	++currentCutsceneLine;
+	cutsceneTimerMs = 0;
+
+	if (currentCutsceneLine >= static_cast<int>(activeCutscene->lines.size())) {
+		activeCutscene = nullptr;
+		if (!pendingNodeAfterCutscene.empty()) {
+			const std::string nextNode = pendingNodeAfterCutscene;
+			pendingNodeAfterCutscene.clear();
+			enterNode(nextNode);
+		}
+		else {
+			stop();
+		}
+		return;
+	}
+
+	refreshCutscenePresentation();
+}
+
+void DialogueRuntime::refreshCutscenePresentation() {
+	if (!activeCutscene || currentCutsceneLine < 0 ||
+		currentCutsceneLine >= static_cast<int>(activeCutscene->lines.size())) {
+		return;
+	}
+
+	const CutsceneLine& line = activeCutscene->lines[currentCutsceneLine];
+	presentation.mode = PresentationMode::Cutscene;
+	presentation.speaker = line.speaker;
+	presentation.fullText = line.text;
+	presentation.visibleText = line.text;
+	presentation.portraitPath = line.portrait;
+	presentation.backgroundPath = activeCutscene->background;
+	presentation.choices.clear();
+	presentation.selectedChoice = 0;
+	presentation.revealCompleted = true;
+}
+
+int DialogueRuntime::computeFallbackCutsceneDurationMs(const std::string& text) {
+	const int cps = 17;
+	const int minDuration = 1500;
+	const int linger = 450;
+	const int calculated = static_cast<int>((1000.0 * static_cast<double>(std::max<size_t>(text.size(), 1))) / cps);
+	return std::max(minDuration, calculated + linger);
+}
+
+DialogueRuntime::json DialogueRuntime::buildSaveState() const {
+	json result;
+	result["active"] = isActive();
+	result["dialogueId"] = activeDialogue ? activeDialogue->id : "";
+	result["currentNodeId"] = currentNodeId;
+	result["pendingNodeAfterCutscene"] = pendingNodeAfterCutscene;
+	result["selectedChoice"] = selectedChoice;
+	result["currentCutsceneLine"] = currentCutsceneLine;
+	result["cutsceneTimerMs"] = cutsceneTimerMs;
+	result["flags"] = flags;
+	result["consumedChoices"] = consumedChoices;
+	return result;
+}
+
+bool DialogueRuntime::restoreSaveState(const json& state) {
+	if (!database) {
+		return false;
+	}
+
+	flags.clear();
+	consumedChoices.clear();
+
+	if (state.contains("flags")) {
+		flags = state["flags"].get<std::unordered_map<std::string, int>>();
+	}
+	if (state.contains("consumedChoices")) {
+		consumedChoices = state["consumedChoices"].get<std::unordered_set<std::string>>();
+	}
+
+	const bool active = state.value("active", false);
+	if (!active) {
+		stop();
+		return true;
+	}
+
+	const std::string dialogueId = state.value("dialogueId", "");
+	if (!startDialogue(dialogueId)) {
+		return false;
+	}
+
+	const std::string nodeId = state.value("currentNodeId", "");
+	pendingNodeAfterCutscene = state.value("pendingNodeAfterCutscene", "");
+	selectedChoice = state.value("selectedChoice", 0);
+	currentCutsceneLine = state.value("currentCutsceneLine", -1);
+	cutsceneTimerMs = state.value("cutsceneTimerMs", 0);
+
+	const bool ok = nodeId.empty() ? true : enterNode(nodeId);
+	if (mode == Mode::WaitingForChoice && !visibleChoices.empty()) {
+		selectedChoice = std::clamp(selectedChoice, 0, static_cast<int>(visibleChoices.size()) - 1);
+		presentation.selectedChoice = selectedChoice;
+	}
+	return ok;
+}
+
+} // namespace ZL::Dialogue

src/dialogue/DialogueRuntime.h

@@ -0,0 +1,81 @@
+#pragma once
+
+#include "dialogue/DialogueDatabase.h"
+#include "external/nlohmann/json.hpp"
+#include <string>
+#include <unordered_map>
+#include <unordered_set>
+#include <vector>
+
+namespace ZL::Dialogue {
+
+class DialogueRuntime {
+public:
+	using json = nlohmann::json;
+
+	void setDatabase(const DialogueDatabase* value);
+
+	bool startDialogue(const std::string& dialogueId);
+	void stop();
+
+	void update(int deltaMs);
+
+	bool isActive() const { return mode != Mode::Inactive; }
+	bool isInChoice() const { return mode == Mode::WaitingForChoice; }
+	bool isPlayingCutscene() const { return mode == Mode::PlayingCutscene; }
+
+	void confirmAdvance();
+	void moveSelection(int delta);
+
+	const PresentationModel& getPresentation() const { return presentation; }
+
+	void setFlag(const std::string& name, int value);
+	int getFlag(const std::string& name) const;
+
+	json buildSaveState() const;
+	bool restoreSaveState(const json& state);
+
+private:
+	enum class Mode {
+		Inactive,
+		PresentingLine,
+		WaitingForChoice,
+		PlayingCutscene
+	};
+
+	const DialogueDatabase* database = nullptr;
+	const DialogueDefinition* activeDialogue = nullptr;
+	const StaticCutsceneDefinition* activeCutscene = nullptr;
+
+	std::unordered_map<std::string, int> flags;
+	std::unordered_set<std::string> consumedChoices;
+
+	std::string currentNodeId;
+	std::string pendingNodeAfterCutscene;
+
+	std::vector<Choice> visibleChoices;
+	PresentationModel presentation;
+	Mode mode = Mode::Inactive;
+
+	int selectedChoice = 0;
+	float revealCharacters = 0.0f;
+	float revealSpeedCharsPerSecond = 52.0f;
+	
+	int currentCutsceneLine = -1;
+	int cutsceneTimerMs = 0;
+
+	bool evaluateConditions(const std::vector<Condition>& conditions) const;
+	void applyEffects(const std::vector<Effect>& effects);
+
+	bool enterNode(const std::string& nodeId);
+	void presentLine(const Node& node);
+	void presentChoices(const Node& node);
+	void startCutscene(const std::string& cutsceneId, const std::string& nextNodeAfterCutscene);
+
+	void advanceCutsceneLine();
+	void refreshCutscenePresentation();
+
+	static int computeFallbackCutsceneDurationMs(const std::string& text);
+};
+
+} // namespace ZL::Dialogue

src/dialogue/DialogueSystem.cpp

@@ -0,0 +1,104 @@
+#include "dialogue/DialogueSystem.h"
+
+namespace ZL::Dialogue {
+
+bool DialogueSystem::init(Renderer& renderer, const std::string& zipFile) {
+	runtime.setDatabase(&database);
+	return overlay.init(renderer, zipFile);
+}
+
+bool DialogueSystem::loadDatabase(const std::string& path) {
+	return database.loadFromFile(path);
+}
+
+void DialogueSystem::update(int deltaMs, const Eigen::Vector3f& playerPosition) {
+	if (!runtime.isActive()) {
+		for (TriggerZone& zone : triggerZones) {
+			if (zone.once && zone.triggered) {
+				continue;
+			}
+
+			const Eigen::Vector3f diff = playerPosition - zone.center;
+			if (diff.norm() <= zone.radius) {
+				if (startDialogue(zone.dialogueId)) {
+					zone.triggered = true;
+					break;
+				}
+			}
+		}
+	}
+
+	runtime.update(deltaMs);
+}
+
+void DialogueSystem::draw(Renderer& renderer) {
+	overlay.draw(renderer, runtime.getPresentation());
+}
+
+bool DialogueSystem::handleKeyDown(SDL_Keycode key) {
+	if (!runtime.isActive()) {
+		return false;
+	}
+
+	switch (key) {
+		case SDLK_RETURN:
+		case SDLK_SPACE:
+		case SDLK_e:
+			runtime.confirmAdvance();
+			return true;
+
+		case SDLK_UP:
+		case SDLK_w:
+			runtime.moveSelection(-1);
+			return true;
+
+		case SDLK_DOWN:
+		case SDLK_s:
+			runtime.moveSelection(1);
+			return true;
+
+		case SDLK_ESCAPE:
+			stopDialogue();
+			return true;
+
+		default:
+			return false;
+	}
+}
+
+bool DialogueSystem::handlePointerReleased(float x, float y) {
+	if (!runtime.isActive()) {
+		return false;
+	}
+
+	int choiceIndex = -1;
+	const PresentationModel& model = runtime.getPresentation();
+	if (overlay.handlePointerReleased(x, y, model, choiceIndex)) {
+		while (model.selectedChoice != choiceIndex) {
+			runtime.moveSelection(1);
+		}
+		runtime.confirmAdvance();
+		return true;
+	}
+
+	runtime.confirmAdvance();
+	return true;
+}
+
+bool DialogueSystem::startDialogue(const std::string& dialogueId) {
+	return runtime.startDialogue(dialogueId);
+}
+
+void DialogueSystem::stopDialogue() {
+	runtime.stop();
+}
+
+void DialogueSystem::addTriggerZone(const TriggerZone& zone) {
+	triggerZones.push_back(zone);
+}
+
+void DialogueSystem::clearTriggerZones() {
+	triggerZones.clear();
+}
+
+} // namespace ZL::Dialogue

src/dialogue/DialogueSystem.h

@@ -0,0 +1,51 @@
+#pragma once
+
+#include "dialogue/DialogueOverlay.h"
+#include "dialogue/DialogueRuntime.h"
+#include <Eigen/Dense>
+#include <SDL.h>
+#include <string>
+#include <vector>
+
+namespace ZL::Dialogue {
+
+struct TriggerZone {
+	std::string id;
+	std::string dialogueId;
+	Eigen::Vector3f center = Eigen::Vector3f::Zero();
+	float radius = 1.5f;
+	bool once = true;
+	bool triggered = false;
+};
+
+class DialogueSystem {
+public:
+	bool init(Renderer& renderer, const std::string& zipFile = "");
+	bool loadDatabase(const std::string& path);
+
+	void update(int deltaMs, const Eigen::Vector3f& playerPosition);
+	void draw(Renderer& renderer);
+
+	bool handleKeyDown(SDL_Keycode key);
+	bool handlePointerReleased(float x, float y);
+
+	bool startDialogue(const std::string& dialogueId);
+	void stopDialogue();
+
+	bool isActive() const { return runtime.isActive(); }
+	bool blocksGameplayInput() const { return runtime.isActive(); }
+
+	void setFlag(const std::string& name, int value) { runtime.setFlag(name, value); }
+	int getFlag(const std::string& name) const { return runtime.getFlag(name); }
+
+	void addTriggerZone(const TriggerZone& zone);
+	void clearTriggerZones();
+
+private:
+	DialogueDatabase database;
+	DialogueRuntime runtime;
+	DialogueOverlay overlay;
+	std::vector<TriggerZone> triggerZones;
+};
+
+} // namespace ZL::Dialogue

src/dialogue/DialogueTypes.h

@@ -0,0 +1,140 @@
+#pragma once
+
+#include <string>
+#include <unordered_map>
+#include <unordered_set>
+#include <vector>
+
+namespace ZL::Dialogue {
+
+enum class NodeType {
+	Line,
+	Choice,
+	Condition,
+	SetFlag,
+	Jump,
+	End,
+	CutsceneStart
+};
+
+enum class ChoiceKind {
+	Main,
+	Optional,
+	Exit
+};
+
+enum class ComparisonOp {
+	Exists,
+	Equals,
+	NotEquals,
+	GreaterOrEqual,
+	LessOrEqual
+};
+
+struct Condition {
+	std::string flag;
+	ComparisonOp op = ComparisonOp::Exists;
+	int value = 1;
+};
+
+struct Effect {
+	std::string flag;
+	int value = 1;
+	bool relative = false;
+};
+
+struct Choice {
+	std::string id;
+	std::string text;
+	std::string next;
+	ChoiceKind kind = ChoiceKind::Main;
+	std::vector<Condition> conditions;
+	std::vector<Effect> effects;
+	bool consumeOnce = false;
+};
+
+struct Node {
+	std::string id;
+	NodeType type = NodeType::Line;
+
+	std::string speaker;
+	std::string text;
+	std::string portrait;
+	std::string next;
+
+	// For Condition nodes
+	std::string trueNext;
+	std::string falseNext;
+	std::vector<Condition> conditions;
+
+	// For Choice / SetFlag
+	std::vector<Choice> choices;
+	std::vector<Effect> effects;
+
+	// For CutsceneStart
+	std::string cutsceneId;
+};
+
+struct DialogueDefinition {
+	std::string id;
+	std::string displayName;
+	std::string startNode;
+	std::unordered_map<std::string, Node> nodes;
+};
+
+struct CutsceneLine {
+	std::string speaker;
+	std::string text;
+	std::string portrait;
+	std::string sfx;
+	int durationMs = 0;
+	bool waitForConfirm = false;
+};
+
+struct StaticCutsceneDefinition {
+	std::string id;
+	std::string background;
+	std::string music;
+	bool skippable = true;
+	std::vector<CutsceneLine> lines;
+};
+
+struct PresentedChoice {
+	std::string id;
+	std::string text;
+	ChoiceKind kind = ChoiceKind::Main;
+};
+
+enum class PresentationMode {
+	Hidden,
+	Dialogue,
+	Choice,
+	Cutscene
+};
+
+struct PresentationModel {
+	PresentationMode mode = PresentationMode::Hidden;
+	std::string dialogueId;
+	std::string speaker;
+	std::string fullText;
+	std::string visibleText;
+	std::string portraitPath;
+	std::string backgroundPath;
+	std::vector<PresentedChoice> choices;
+	int selectedChoice = 0;
+	bool revealCompleted = true;
+};
+
+struct SaveState {
+	std::string dialogueId;
+	std::string currentNodeId;
+	std::string pendingNodeAfterCutscene;
+	std::unordered_set<std::string, int> flags;
+	std::unordered_set<std::string> consumedChoices;
+	int selectedChoice = 0;
+	int currentCutsceneLine = -1;
+	int cutsceneTimerMs = 0;
+	bool active = false;
+};
+
+} // namespace ZL::Dialogue

src/render/TextRenderer.cpp

@@ -133,6 +133,8 @@ bool TextRenderer::loadGlyphs(const std::string& ttfPath, int pixelSize, const s
         glyphList.emplace_back((char)c, std::move(gb));
     }
 
+    lineHeight = std::max<float>(static_cast<float>(pixelSize) * 1.3f, static_cast<float>(maxGlyphHeight) * 1.25f);
+
     // Пакуем глифы в один атлас (упрощённый алгоритм строковой укладки)
     const int padding = 1;
     const int maxAtlasWidth = 1024; // безопасное значение для большинства устройств
@@ -297,7 +299,15 @@ void TextRenderer::drawText(const std::string& text, float x, float y, float sca
         float totalW = 0.0f;
         float maxH = 0.0f;
         
+        float maxLineWidth = 0.0f;
         for (char ch : text) {
+            if (ch == '\n') {
+				maxLineWidth = max(maxLineWidth, penX);
+                penX = 0.0f;
+                penY -= lineHeight * scale;
+                continue;
+            }
+
             auto git = glyphs.find(ch);
             if (git == glyphs.end()) continue;
             const GlyphInfo& g = git->second;
@@ -332,6 +342,7 @@ void TextRenderer::drawText(const std::string& text, float x, float y, float sca
             totalW = penX;
             maxH = max(maxH, h);
         }
+        totalW = max(maxLineWidth, penX);
 
         // Сохраняем в кеш
         CachedText ct;

src/render/TextRenderer.h

@@ -47,6 +47,7 @@ private:
     std::shared_ptr<Texture> atlasTexture;
     size_t atlasWidth = 0;
     size_t atlasHeight = 0;
+    float lineHeight = 32.0f;
 
 	VertexRenderStruct textMesh;