merge

cmake/ThirdParty.cmake

@@ -397,9 +397,11 @@ endif()
 add_library(freetype_external_lib UNKNOWN IMPORTED GLOBAL)
 set_target_properties(freetype_external_lib PROPERTIES
     IMPORTED_LOCATION_DEBUG   "${_ft_debug_lib}"
-    IMPORTED_LOCATION_RELEASE "${_ft_release_lib}"
+    IMPORTED_LOCATION_RELEASE "${_ft_release_lib}" 
-    INTERFACE_INCLUDE_DIRECTORIES
+)
-        "$<IF:$<CONFIG:Debug>,${FREETYPE_BASE_DIR}-Debug/include,${FREETYPE_BASE_DIR}-Release/include>"
+target_include_directories(freetype_external_lib INTERFACE
+    "$<IF:$<CONFIG:Debug>,${FREETYPE_BASE_DIR}-Debug/include/freetype2,${FREETYPE_BASE_DIR}-Release/include/freetype2>"
+    "$<IF:$<CONFIG:Debug>,${FREETYPE_BASE_DIR}-Debug/include,${FREETYPE_BASE_DIR}-Release/include>"
 )
 
 # ===========================================
@@ -453,8 +455,8 @@ if(NOT _have_sdl2ttf)
                 -DSDL2_LIBRARY=${_SDL2_LIB}
                 -DSDL2_INCLUDE_DIR=${SDL2_INSTALL_DIR}/include/SDL2
                 -DFREETYPE_LIBRARY=${_FT_LIB}
-                -DFREETYPE_INCLUDE_DIR=${_FT_PREFIX}/include
+                -DFREETYPE_INCLUDE_DIR=${_FT_PREFIX}/include/freetype2
-                -DFREETYPE_INCLUDE_DIRS=${_FT_PREFIX}/include
+                -DFREETYPE_INCLUDE_DIRS=${_FT_PREFIX}/include/freetype2
                 -DSDL2TTF_VENDORED=OFF
                 -DSDL2TTF_SAMPLES=OFF
             RESULT_VARIABLE _ttf_cfg_res

proj-windows/CMakeLists.txt

@@ -57,6 +57,8 @@ add_executable(space-game001
 	../src/network/ClientState.cpp
 	../src/network/WebSocketClient.h
 	../src/network/WebSocketClient.cpp
+	../src/render/TextRenderer.h
+	../src/render/TextRenderer.cpp
 )
 
 # Установка проекта по умолчанию для Visual Studio
@@ -78,8 +80,8 @@ target_compile_definitions(space-game001 PRIVATE
     WIN32_LEAN_AND_MEAN
     PNG_ENABLED
     SDL_MAIN_HANDLED
-#	NETWORK
+	NETWORK
-#    SIMPLIFIED
+    SIMPLIFIED
 )
 
 # Линкуем с SDL2main, если он вообще установлен

resources/shaders/defaultAtmosphere_web.fragment

@@ -1,4 +1,4 @@
-precision highp float;
+//precisionhighp float;
 
 // Фрагментный шейдер:
 uniform vec3 uColor;

resources/shaders/defaultColor_web.fragment

@@ -1,4 +1,4 @@
-precision mediump float;
+//precisionmediump float;
 varying vec3 color;
 
 void main() 

resources/shaders/default_env_web.fragment

@@ -1,4 +1,4 @@
-precision mediump float;
+//precisionmediump float;
 uniform samplerCube Texture;
 
 varying vec3 dir;

resources/shaders/default_texture_web.fragment

@@ -1,4 +1,4 @@
-precision mediump float;
+//precisionmediump float;
 uniform sampler2D Texture;
 varying vec2 texCoord;
 

resources/shaders/default_web.fragment

@@ -1,4 +1,4 @@
-precision mediump float;
+//precisionmediump float;
 uniform sampler2D Texture;
 varying vec2 texCoord;
 

resources/shaders/env_sky_web.fragment

@@ -1,4 +1,4 @@
-precision mediump float;
+//precisionmediump float;
 uniform samplerCube Texture;
 uniform float skyPercent; 
 uniform float uPlayerLightFactor; // Глобальный фактор дня/ночи для позиции игрока

resources/shaders/planet_bake_web.fragment

@@ -1,4 +1,4 @@
-precision mediump float;
+//precisionmediump float;
 varying vec2 TexCoord;
 varying float vHeight;
 

resources/shaders/planet_land.vertex

@@ -15,7 +15,7 @@ varying vec3 vWorldNormal;
 uniform mat4 ProjectionModelViewMatrix;
 uniform mat4 ModelViewMatrix;
 
-uniform highp vec3 uViewPos;
+uniform vec3 uViewPos;
 
 void main() {
     gl_Position = ProjectionModelViewMatrix * vec4(vPosition, 1.0);

resources/shaders/planet_land_web.fragment

@@ -1,4 +1,4 @@
-precision highp float;
+//precisionhighp float;
 varying vec2 TexCoord;
 varying vec3 vViewDirTangent;
 varying vec3 Color;

resources/shaders/planet_stone.vertex

@@ -14,7 +14,7 @@ varying vec3 vWorldNormal;
 uniform mat4 ProjectionModelViewMatrix;
 uniform mat4 ModelViewMatrix;
 
-uniform highp vec3 uViewPos;
+uniform vec3 uViewPos;
 
 void main() {
     vWorldNormal = vNormal;
@@ -23,8 +23,6 @@ void main() {
 
     vec3 viewDirWorld = normalize(uViewPos - vPosition);
 
-    // Строим матрицу перехода из атрибутов
-    // Так как базис ортонормирован, TBN^-1 == TBN_transpose
     vViewDirTangent = vec3(
         dot(viewDirWorld, vTangent),
         dot(viewDirWorld, vBinormal),

resources/shaders/planet_stone_web.fragment

@@ -1,4 +1,4 @@
-precision highp float;
+//precisionhighp float;
 // planetStone фрагментный шейдер
 
 varying vec2 TexCoord;

resources/shaders/spark.fragment

@@ -1,4 +1,4 @@
-precision mediump float;
+//precisionmediump float;
 uniform sampler2D Texture;
 varying vec2 texCoord;
 

resources/shaders/text2d.fragment

@@ -0,0 +1,14 @@
+#version 330 core
+in vec2 TexCoord;
+out vec4 FragColor;
+uniform sampler2D uText;
+uniform vec4 uColor;
+uniform vec4 uOutlineColor;
+uniform float uOutlineWidth = 0.7;
+void main() {
+	float dist = texture(uText, TexCoord).r;
+	float outline = smoothstep(0.5 - uOutlineWidth, 0.5 + uOutlineWidth, dist);
+	float text = smoothstep(0.5, 0.5 + 0.1, dist);
+	float glow = exp(-pow(dist - 0.5, 2.0) / 0.02);
+	FragColor = vec4(uColor.rgb * (text + glow * 0.6), uColor.a * outline);
+}

resources/shaders/text2d.vertex

@@ -0,0 +1,12 @@
+#version 330 core
+in vec2 vPosition;
+in vec2 vTexCoord;
+
+out vec2 TexCoord;
+
+uniform mat4 uProjection;
+
+void main() {
+    TexCoord = vTexCoord;
+    gl_Position = uProjection * vec4(vPosition.xy, 0.0, 1.0);
+}

server/CMakeLists.txt

@@ -28,6 +28,7 @@ add_subdirectory("${BOOST_SRC_DIR}/libs/predef" boost-predef-build EXCLUDE_FROM_
 add_executable(Server
 server.cpp
 ../src/network/ClientState.h
+../src/network/ClientState.cpp
 )
 
 target_include_directories(Server PRIVATE ${BOOST_SRC_DIR})

src/Game.cpp

@@ -112,6 +112,110 @@ namespace ZL
 		return boxCoordsArr;
 	}
 
+	static Eigen::Matrix4f makeViewMatrix_FromYourCamera()
+	{
+		Eigen::Matrix4f Tz = Eigen::Matrix4f::Identity();
+		Tz(2, 3) = -1.0f * ZL::Environment::zoom;
+
+		Eigen::Matrix4f R = Eigen::Matrix4f::Identity();
+		R.block<3, 3>(0, 0) = ZL::Environment::inverseShipMatrix;
+
+		Eigen::Matrix4f Tship = Eigen::Matrix4f::Identity();
+		Tship(0, 3) = -ZL::Environment::shipState.position.x();
+		Tship(1, 3) = -ZL::Environment::shipState.position.y();
+		Tship(2, 3) = -ZL::Environment::shipState.position.z();
+
+		return Tz * R * Tship;
+	}
+
+	static Eigen::Matrix4f makePerspective(float fovyRadians, float aspect, float zNear, float zFar)
+	{
+		// Стандартная перспектива
+		float f = 1.0f / std::tan(fovyRadians * 0.5f);
+
+		Eigen::Matrix4f P = Eigen::Matrix4f::Zero();
+		P(0, 0) = f / aspect;
+		P(1, 1) = f;
+		P(2, 2) = (zFar + zNear) / (zNear - zFar);
+		P(2, 3) = (2.0f * zFar * zNear) / (zNear - zFar);
+		P(3, 2) = -1.0f;
+		return P;
+	}
+
+	bool Game::worldToScreen(const Vector3f& world, float& outX, float& outY, float& outDepth) const
+	{
+		// Матрицы должны совпасть с drawBoxes/drawShip по смыслу
+		float aspect = static_cast<float>(Environment::width) / static_cast<float>(Environment::height);
+
+		Eigen::Matrix4f V = makeViewMatrix_FromYourCamera();
+		Eigen::Matrix4f P = makePerspective(1.0f / 1.5f, aspect, Environment::CONST_Z_NEAR, Environment::CONST_Z_FAR);
+
+		Eigen::Vector4f w(world.x(), world.y(), world.z(), 1.0f);
+		Eigen::Vector4f clip = P * V * w;
+
+		if (clip.w() <= 0.0001f) return false; // позади камеры
+
+		Eigen::Vector3f ndc = clip.head<3>() / clip.w(); // [-1..1]
+		outDepth = ndc.z();
+
+		// В пределах экрана?
+		// (можно оставить, можно клампить)
+		float sx = (ndc.x() * 0.5f + 0.5f) * Environment::width;
+		float sy = (ndc.y() * 0.5f + 0.5f) * Environment::height;
+
+		outX = sx;
+		outY = sy;
+
+		// Можно отсеять те, что вне:
+		if (sx < -200 || sx > Environment::width + 200) return false;
+		if (sy < -200 || sy > Environment::height + 200) return false;
+
+		return true;
+	}
+
+	void Game::drawBoxesLabels()
+	{
+		if (!textRenderer) return;
+
+		// Текст рисуем как 2D поверх всего 3D, но ДО drawUI или после — как хочешь.
+		// Чтобы подписи были поверх — делай после drawBoxes и до drawUI (как мы и вставили).
+
+		glDisable(GL_DEPTH_TEST);
+		glEnable(GL_BLEND);
+		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+		for (size_t i = 0; i < boxCoordsArr.size(); ++i)
+		{
+			if (i >= boxAlive.size() || !boxAlive[i]) continue;
+			if (i >= boxLabels.size()) continue;
+
+			// ВАЖНО: твои боксы рисуются с Translate({0,0,45000}) + pos
+			Vector3f boxWorld = boxCoordsArr[i].pos + Vector3f{ 0.0f, 0.0f, 45000.0f };
+
+			// Чуть выше бокса по Y (или по Z — как нравится)
+			Vector3f labelWorld = boxWorld + Vector3f{ 0.0f, 2.2f, 0.0f };
+
+			float sx, sy, depth;
+			if (!worldToScreen(labelWorld, sx, sy, depth)) continue;
+
+			// В твоей UI-системе Y обычно перевёрнут (ты делаешь uiY = height - my).
+			// Наш worldToScreen отдаёт Y в системе "низ=0, верх=height" (NDC->screen).
+			// Чтобы совпало с твоей UI-логикой, перевернём:
+			float uiX = sx;
+			float uiY = sy; // если окажется вверх ногами — замени на (Environment::height - sy)
+
+			// Можно делать масштаб по дальности: чем дальше — тем меньше.
+			// depth в NDC: ближе к -1 (near) и к 1 (far). Стабильнее считать по расстоянию:
+			float dist = (Environment::shipState.position - boxWorld).norm();
+			float scale = std::clamp(120.0f / (dist + 1.0f), 0.6f, 1.2f);
+
+			textRenderer->drawText(boxLabels[i], uiX, uiY, scale, /*centered*/true);
+		}
+
+		glDisable(GL_BLEND);
+		glEnable(GL_DEPTH_TEST);
+	}
+
 	Game::Game()
 		: window(nullptr)
 		, glContext(nullptr)
@@ -142,7 +246,7 @@ namespace ZL
 		ZL::CheckGlError();
 
 
-#ifndef SIMPLIFIED
+//#ifndef SIMPLIFIED
 		renderer.shaderManager.AddShaderFromFiles("defaultColor", "resources/shaders/defaultColor.vertex", "resources/shaders/defaultColor_web.fragment", CONST_ZIP_FILE);
 		renderer.shaderManager.AddShaderFromFiles("default", "resources/shaders/default.vertex", "resources/shaders/default_web.fragment", CONST_ZIP_FILE);
 		renderer.shaderManager.AddShaderFromFiles("env_sky", "resources/shaders/env_sky.vertex", "resources/shaders/env_sky_web.fragment", CONST_ZIP_FILE);
@@ -151,14 +255,14 @@ namespace ZL
 		renderer.shaderManager.AddShaderFromFiles("planetStone", "resources/shaders/planet_stone.vertex", "resources/shaders/planet_stone_web.fragment", CONST_ZIP_FILE);
 		renderer.shaderManager.AddShaderFromFiles("planetLand", "resources/shaders/planet_land.vertex", "resources/shaders/planet_land_web.fragment", CONST_ZIP_FILE);
 
-#else
+/*#else
 		renderer.shaderManager.AddShaderFromFiles("default", "resources/shaders/default.vertex", "resources/shaders/default_web.fragment", CONST_ZIP_FILE);
 		renderer.shaderManager.AddShaderFromFiles("env_sky", "resources/shaders/default_env.vertex", "resources/shaders/default_env_web.fragment", CONST_ZIP_FILE);
 		renderer.shaderManager.AddShaderFromFiles("defaultAtmosphere", "resources/shaders/default_texture.vertex", "resources/shaders/default_texture_web.fragment", CONST_ZIP_FILE);
 		renderer.shaderManager.AddShaderFromFiles("planetBake", "resources/shaders/default_texture.vertex", "resources/shaders/default_texture_web.fragment", CONST_ZIP_FILE);
 		renderer.shaderManager.AddShaderFromFiles("planetStone", "resources/shaders/default_texture.vertex", "resources/shaders/default_texture_web.fragment", CONST_ZIP_FILE);
 		renderer.shaderManager.AddShaderFromFiles("planetLand", "resources/shaders/default_texture.vertex", "resources/shaders/default_texture_web.fragment", CONST_ZIP_FILE);
-#endif
+#endif*/
 
 		bool cfgLoaded = sparkEmitter.loadFromJsonFile("resources/config/spark_config.json", renderer, CONST_ZIP_FILE);
 		bool projCfgLoaded = projectileEmitter.loadFromJsonFile("resources/config/spark_projectile_config.json", renderer, CONST_ZIP_FILE);
@@ -338,6 +442,15 @@ namespace ZL
 
 		boxAlive.resize(boxCoordsArr.size(), true);
 
+		textRenderer = std::make_unique<ZL::TextRenderer>();
+		textRenderer->init(renderer, "resources/fonts/DroidSans.ttf", 32);
+
+		boxLabels.clear();
+		boxLabels.reserve(boxCoordsArr.size());
+		for (size_t i = 0; i < boxCoordsArr.size(); ++i) {
+			boxLabels.push_back("Box " + std::to_string(i + 1));
+		}
+
 		if (!cfgLoaded)
 		{
 			throw std::runtime_error("Failed to load spark emitter config file!");
@@ -590,7 +703,9 @@ namespace ZL
 		}
 		drawShip();
 		drawRemoteShips();
+		drawRemoteShipsLabels();
 		drawBoxes();
+		drawBoxesLabels();
 
 		drawUI();
 		CheckGlError();
@@ -683,6 +798,62 @@ namespace ZL
 		CheckGlError();
 	}
 
+	void Game::drawRemoteShipsLabels()
+	{
+		if (!textRenderer) return;
+
+		#ifdef NETWORK
+				// 2D поверх 3D
+				glDisable(GL_DEPTH_TEST);
+				glEnable(GL_BLEND);
+				glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+				// Берем удаленных игроков
+				latestRemotePlayers = networkClient->getRemotePlayers();
+
+				auto now = std::chrono::system_clock::now();
+				now -= std::chrono::milliseconds(CLIENT_DELAY);
+
+				for (auto const& [id, remotePlayer] : latestRemotePlayers)
+				{
+					if (!remotePlayer.canFetchClientStateAtTime(now))
+						continue;
+
+					ClientState st = remotePlayer.fetchClientStateAtTime(now);
+
+					// Позиция корабля в мире
+					Vector3f shipWorld = st.position;
+
+					float distSq = (Environment::shipState.position - shipWorld).squaredNorm();
+					/*if (distSq > MAX_DIST_SQ) // дальность прорисовки никнейма
+						continue;*/
+					float dist = sqrt(distSq);
+					float alpha = 1.0f; // постоянная видимость
+					/*float alpha = std::clamp(1.f - (dist - FADE_START) / FADE_RANGE, 0.f, 1.f); // дальность прорисовки никнейма
+					if (alpha < 0.01f)
+						continue; */
+					Vector3f labelWorld = shipWorld + Vector3f{ 0.f, -4.f, 0.f }; // регулировка высоты
+					float sx, sy, depth;
+					if (!worldToScreen(labelWorld, sx, sy, depth))
+						continue;
+					
+					float uiX = sx, uiY = sy;
+					float scale = std::clamp(BASE_SCALE / (dist * PERSPECTIVE_K + 1.f), MIN_SCALE, MAX_SCALE);
+
+					// Дефолтный лейбл
+					std::string label = "Player (" + std::to_string(st.id) + ") " + std::to_string((int)dist) + "m";
+
+					// TODO: nickname sync
+
+					textRenderer->drawText(label, uiX + 1.f, uiY + 1.f, scale, true, {0.f, 0.f, 0.f, alpha}); // color param
+					textRenderer->drawText(label, uiX, uiY, scale, true, { 1.f, 1.f, 1.f, alpha });
+				}
+
+				glDisable(GL_BLEND);
+				glEnable(GL_DEPTH_TEST);
+		#endif
+	}
+
 	void Game::processTickCount() {
 
 		if (lastTickCount == 0) {
@@ -703,7 +874,7 @@ namespace ZL
 			size_t delta = newTickCount - lastTickCount;
 			if (delta > CONST_MAX_TIME_INTERVAL)
 			{
-				throw std::runtime_error("Synchronization is lost");
+				//throw std::runtime_error("Synchronization is lost");
 			}
 
 			auto now_ms = newTickCount;

src/Game.h

@@ -10,6 +10,10 @@
 #include "utils/TaskManager.h"
 #include "network/NetworkInterface.h"
 #include <queue>
+#include <vector>
+#include <string>
+#include <memory>
+#include <render/TextRenderer.h>
 
 namespace ZL {
 
@@ -43,10 +47,14 @@ namespace ZL {
 		void drawCubemap(float skyPercent);
 		void drawShip();
 		void drawBoxes();
+		void drawBoxesLabels();
 		void drawUI();
 		void drawRemoteShips();
+		void drawRemoteShipsLabels();
 		void fireProjectiles();
 
+		bool worldToScreen(const Vector3f& world, float& outX, float& outY, float& outDepth) const;
+
 		void handleDown(int mx, int my);
 		void handleUp(int mx, int my);
 		void handleMotion(int mx, int my);
@@ -62,6 +70,9 @@ namespace ZL {
 		std::vector<BoxCoords> boxCoordsArr;
 		std::vector<VertexRenderStruct> boxRenderArr;
 
+		std::vector<std::string> boxLabels;
+		std::unique_ptr<TextRenderer> textRenderer;
+
 		std::unordered_map<int, ClientStateInterval> latestRemotePlayers;
 
 		float newShipVelocity = 0;
@@ -106,6 +117,13 @@ namespace ZL {
 		const uint64_t explosionDurationMs = 500;
 
 		bool serverBoxesApplied = false;
+		static constexpr float MAX_DIST_SQ = 10000.f * 10000.f;
+		static constexpr float FADE_START = 6000.f;
+		static constexpr float FADE_RANGE = 4000.f;
+		static constexpr float BASE_SCALE = 140.f;
+		static constexpr float PERSPECTIVE_K = 0.05f; // Tune
+		static constexpr float MIN_SCALE = 0.4f;
+		static constexpr float MAX_SCALE = 1.5f;
 	};
 
 

src/render/Renderer.cpp

@@ -835,6 +835,15 @@ namespace ZL {
 		}
 	}
 
+	void Renderer::RenderUniform4fv(const std::string& uniformName, const float* value)
+	{
+		auto shader = shaderManager.GetCurrentShader();
+		auto uniform = shader->uniformList.find(uniformName);
+		if (uniform != shader->uniformList.end()) {
+			glUniform4fv(uniform->second, 1, value);
+		}
+	}
+
 	void Renderer::RenderUniform1i(const std::string& uniformName, const int value)
 	{
 		auto shader = shaderManager.GetCurrentShader();

src/render/Renderer.h

@@ -138,6 +138,7 @@ namespace ZL {
 		void RenderUniformMatrix4fv(const std::string& uniformName, bool transpose, const float* value);
 		void RenderUniform1i(const std::string& uniformName, const int value);
 		void RenderUniform3fv(const std::string& uniformName, const float* value);
+		void RenderUniform4fv(const std::string& uniformName, const float* value);
 		void RenderUniform1f(const std::string& uniformName, float value);
 
 		void VertexAttribPointer2fv(const std::string& attribName, int stride, const char* pointer);

src/render/ShaderManager.cpp

@@ -14,7 +14,8 @@ namespace ZL {
 
         char infoLog[CONST_INFOLOG_LENGTH];
         int infoLogLength;
-
+        char infoLog2[CONST_INFOLOG_LENGTH];
+        int infoLogLength2;
         int vertexShaderCompiled;
         int fragmentShaderCompiled;
         int programLinked;
@@ -40,7 +41,8 @@ namespace ZL {
 
         glCompileShader(fragmentShader);
         glGetShaderiv(fragmentShader, GL_COMPILE_STATUS, &fragmentShaderCompiled);
-        glGetShaderInfoLog(fragmentShader, CONST_INFOLOG_LENGTH, &infoLogLength, infoLog);
+        glGetShaderInfoLog(fragmentShader, CONST_INFOLOG_LENGTH, &infoLogLength2, infoLog2);
+
 
         if (!vertexShaderCompiled) {
 #ifdef __ANDROID__

src/render/TextRenderer.cpp

@@ -0,0 +1,198 @@
+#include "render/TextRenderer.h"
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#include "Environment.h"
+#include "render/OpenGlExtensions.h"
+#include <iostream>
+#include <array>
+
+namespace ZL {
+
+TextRenderer::~TextRenderer()
+{
+    for (auto& kv : glyphs) {
+        if (kv.second.texID) glDeleteTextures(1, &kv.second.texID);
+    }
+    glyphs.clear();
+
+    if (vbo) glDeleteBuffers(1, &vbo);
+    // if (vao) glDeleteVertexArrays(1, &vao);
+    vao = 0;
+    vbo = 0;
+}
+
+bool TextRenderer::init(Renderer& renderer, const std::string& ttfPath, int pixelSize)
+{
+    r = &renderer;
+
+    r->shaderManager.AddShaderFromFiles(shaderName,
+        "resources/shaders/text2d.vertex",
+        "resources/shaders/text2d.fragment",
+        "" // ZIP пустой
+    );
+
+    if (!loadGlyphs(ttfPath, pixelSize)) return false;
+
+    // VAO/VBO для 6 вершин (2 треугольника) * (pos.xy + uv.xy) = 4 float
+    // glGenVertexArrays(1, &vao);
+    glGenBuffers(1, &vbo);
+
+    //glBindVertexArray(vao);
+    glBindBuffer(GL_ARRAY_BUFFER, vbo);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(float) * 6 * 4, nullptr, GL_DYNAMIC_DRAW);
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+
+
+    return true;
+}
+
+bool TextRenderer::loadGlyphs(const std::string& ttfPath, int pixelSize)
+{
+    FT_Library ft;
+    if (FT_Init_FreeType(&ft)) {
+        std::cerr << "FreeType: FT_Init_FreeType failed\n";
+        return false;
+    }
+
+    FT_Face face;
+    if (FT_New_Face(ft, ttfPath.c_str(), 0, &face)) {
+        std::cerr << "FreeType: failed to load font: " << ttfPath << "\n";
+        FT_Done_FreeType(ft);
+        return false;
+    }
+
+    FT_Set_Pixel_Sizes(face, 0, pixelSize);
+
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+    glyphs.clear();
+    for (unsigned char c = 32; c < 128; ++c) {
+        if (FT_Load_Char(face, c, FT_LOAD_RENDER)) {
+            continue;
+        }
+
+        unsigned int tex;
+        glGenTextures(1, &tex);
+        glBindTexture(GL_TEXTURE_2D, tex);
+        glTexImage2D(
+            GL_TEXTURE_2D,
+            0,
+            GL_RED,
+            face->glyph->bitmap.width,
+            face->glyph->bitmap.rows,
+            0,
+            GL_RED,
+            GL_UNSIGNED_BYTE,
+            face->glyph->bitmap.buffer
+        );
+
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+        GlyphInfo g;
+        g.texID = tex;
+        g.size = Eigen::Vector2f((float)face->glyph->bitmap.width, (float)face->glyph->bitmap.rows);
+        g.bearing = Eigen::Vector2f((float)face->glyph->bitmap_left, (float)face->glyph->bitmap_top);
+        g.advance = (unsigned int)face->glyph->advance.x;
+
+        glyphs.emplace((char)c, g);
+    }
+
+    FT_Done_Face(face);
+    FT_Done_FreeType(ft);
+
+    glBindTexture(GL_TEXTURE_2D, 0);
+    return true;
+}
+
+void TextRenderer::drawText(const std::string& text, float x, float y, float scale, bool centered, std::array<float, 4> color)
+{
+    if (!r) return;
+
+    // Считаем ширину строки для центрирования
+    float totalW = 0.0f;
+    if (centered) {
+        for (char ch : text) {
+            auto it = glyphs.find(ch);
+            if (it == glyphs.end()) continue;
+            totalW += (it->second.advance >> 6) * scale;
+        }
+        x -= totalW * 0.5f;
+    }
+
+    r->shaderManager.PushShader(shaderName);
+
+    // Орто-проекция в пикселях: (0..W, 0..H)
+    float W = (float)Environment::width;
+    float H = (float)Environment::height;
+
+    Eigen::Matrix4f proj = Eigen::Matrix4f::Identity();
+    proj(0,0) = 2.0f / W;
+    proj(1,1) = 2.0f / H;
+    proj(0,3) = -1.0f;
+    proj(1,3) = -1.0f;
+
+    // uProjection
+    r->RenderUniformMatrix4fv("uProjection", false, proj.data());
+    r->RenderUniform1i("uText", 0);
+
+    r->RenderUniform4fv("uColor", color.data());
+
+    glActiveTexture(GL_TEXTURE0);
+    // glBindVertexArray(vao);
+
+    glBindBuffer(GL_ARRAY_BUFFER, vbo);
+
+    r->EnableVertexAttribArray("vPosition");
+    r->EnableVertexAttribArray("vTexCoord");
+
+    r->VertexAttribPointer2fv("vPosition", 4 * sizeof(float), (const char*)0);
+    r->VertexAttribPointer2fv("vTexCoord", 4 * sizeof(float), (const char*)(2 * sizeof(float)));
+
+    float penX = x;
+    float penY = y;
+
+    for (char ch : text) {
+        auto it = glyphs.find(ch);
+        if (it == glyphs.end()) continue;
+
+        const GlyphInfo& g = it->second;
+
+        float xpos = penX + g.bearing.x() * scale;
+        float ypos = penY - (g.size.y() - g.bearing.y()) * scale;
+
+        float w = g.size.x() * scale;
+        float h = g.size.y() * scale;
+
+        // 2 треугольника
+        float verts[6][4] = {
+            { xpos,     ypos + h, 0.0f, 0.0f },
+            { xpos,     ypos,     0.0f, 1.0f },
+            { xpos + w, ypos,     1.0f, 1.0f },
+
+            { xpos,     ypos + h, 0.0f, 0.0f },
+            { xpos + w, ypos,     1.0f, 1.0f },
+            { xpos + w, ypos + h, 1.0f, 0.0f }
+        };
+
+        glBindTexture(GL_TEXTURE_2D, g.texID);
+        glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(verts), verts);
+        glDrawArrays(GL_TRIANGLES, 0, 6);
+
+        penX += (g.advance >> 6) * scale;
+    }
+
+    // cleanup
+    glBindTexture(GL_TEXTURE_2D, 0);
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+
+    r->DisableVertexAttribArray("vPosition");
+    r->DisableVertexAttribArray("vTexCoord");
+
+    r->shaderManager.PopShader();
+}
+
+} // namespace ZL

src/render/TextRenderer.h

@@ -0,0 +1,42 @@
+#pragma once
+#include <string>
+#include <memory>
+#include <vector>
+#include <unordered_map>
+#include <Eigen/Dense>
+#include "render/Renderer.h"
+#include <array>
+
+
+namespace ZL {
+    
+struct GlyphInfo {
+    unsigned int texID = 0;   // GL texture for glyph
+    Eigen::Vector2f size;     // glyph size in pixels
+    Eigen::Vector2f bearing;  // offset from baseline
+    unsigned int advance = 0; // advance.x in 1/64 pixels
+};
+
+class TextRenderer {
+public:
+    TextRenderer() = default;
+    ~TextRenderer();
+
+    bool init(Renderer& renderer, const std::string& ttfPath, int pixelSize);
+    void drawText(const std::string& text, float x, float y, float scale, bool centered, std::array<float, 4> color = { 1.f,1.f,1.f,1.f });
+
+private:
+    bool loadGlyphs(const std::string& ttfPath, int pixelSize);
+
+    Renderer* r = nullptr;
+
+    std::unordered_map<char, GlyphInfo> glyphs;
+
+    // OpenGL objects for a dynamic quad
+    unsigned int vao = 0;
+    unsigned int vbo = 0;
+
+    std::string shaderName = "text2d";
+};
+
+} // namespace ZL