From 1626864bfe6af65ca0e102c3211e313149fb9e6c Mon Sep 17 00:00:00 2001
From: milek7 <me@milek7.pl>
Date: Fri, 9 Aug 2019 00:45:38 +0200
Subject: [PATCH] cleanup

---
 CMakeLists.txt                |   3 +-
 launcher/keymapper.cpp        |   2 +-
 launcher/launcheruilayer.cpp  |  22 ++-
 launcher/launcheruilayer.h    |   4 +-
 launcher/mainmenu.cpp         |  26 ----
 launcher/mainmenu.h           |  14 --
 launcher/scenery_list.cpp     |  91 +++---------
 launcher/scenery_list.h       |  38 +----
 launcher/scenery_scanner.cpp  |  57 ++++++++
 launcher/scenery_scanner.h    |  46 ++++++
 launcher/textures_scanner.cpp | 227 +++++++++++++++++++++++++++++
 launcher/textures_scanner.h   |  90 ++++++++++++
 launcher/vehicle_picker.cpp   | 259 +++-------------------------------
 launcher/vehicle_picker.h     |  89 +-----------
 14 files changed, 493 insertions(+), 475 deletions(-)
 delete mode 100644 launcher/mainmenu.cpp
 delete mode 100644 launcher/mainmenu.h
 create mode 100644 launcher/scenery_scanner.cpp
 create mode 100644 launcher/scenery_scanner.h
 create mode 100644 launcher/textures_scanner.cpp
 create mode 100644 launcher/textures_scanner.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb71dbc9..78b5fce5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -170,7 +170,8 @@ set(SOURCES
 "launcher/launcheruilayer.cpp"
 "launcher/vehicle_picker.cpp"
 "launcher/keymapper.cpp"
-"launcher/mainmenu.cpp"
+"launcher/textures_scanner.cpp"
+"launcher/scenery_scanner.cpp"
 )
 
 if (USE_IMGUI_GL3)
diff --git a/launcher/keymapper.cpp b/launcher/keymapper.cpp
index 0b23d5ad..b952e739 100644
--- a/launcher/keymapper.cpp
+++ b/launcher/keymapper.cpp
@@ -3,7 +3,7 @@
 #include "simulation.h"
 
 ui::keymapper_panel::keymapper_panel()
-    : ui_panel(STR("Keymapper"), true)
+    : ui_panel(STR("Keymapper"), false)
 {
 	keyboard.init();
 }
diff --git a/launcher/launcheruilayer.cpp b/launcher/launcheruilayer.cpp
index 900cf58f..6ca93e9b 100644
--- a/launcher/launcheruilayer.cpp
+++ b/launcher/launcheruilayer.cpp
@@ -1,11 +1,11 @@
 #include "stdafx.h"
 #include "launcher/launcheruilayer.h"
+#include "application.h"
 
 launcher_ui::launcher_ui()
 {
 	add_external_panel(&m_scenerylist_panel);
 	add_external_panel(&m_keymapper_panel);
-	add_external_panel(&m_mainmenu_panel);
 	add_external_panel(&m_vehiclepicker_panel);
 }
 
@@ -16,3 +16,23 @@ bool launcher_ui::on_key(const int Key, const int Action)
 
 	return ui_layer::on_key(Key, Action);
 }
+
+void launcher_ui::render_()
+{
+	ImGuiWindowFlags flags = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoCollapse;
+	ImVec2 display_size = ImGui::GetIO().DisplaySize;
+	ImGui::SetNextWindowPos(ImVec2(display_size.x * 0.66f, display_size.y / 2.0f));
+	ImGui::SetNextWindowSize(ImVec2(200, -1));
+
+	if (ImGui::Begin(STR_C("Main menu"), nullptr, flags)) {
+		if (ImGui::Button(STR_C("Scenario list"), ImVec2(-1, 0)))
+			m_scenerylist_panel.is_open = !m_scenerylist_panel.is_open;
+		if (ImGui::Button(STR_C("Vehicle list"), ImVec2(-1, 0)))
+			m_vehiclepicker_panel.is_open = !m_vehiclepicker_panel.is_open;
+		if (ImGui::Button(STR_C("Keymapper"), ImVec2(-1, 0)))
+			m_keymapper_panel.is_open = !m_keymapper_panel.is_open;
+		if (ImGui::Button(STR_C("Quit"), ImVec2(-1, 0)))
+			Application.queue_quit();
+	}
+	ImGui::End();
+}
diff --git a/launcher/launcheruilayer.h b/launcher/launcheruilayer.h
index 9d20b51c..a38b4492 100644
--- a/launcher/launcheruilayer.h
+++ b/launcher/launcheruilayer.h
@@ -12,7 +12,6 @@ http://mozilla.org/MPL/2.0/.
 #include "uilayer.h"
 #include "launcher/scenery_list.h"
 #include "launcher/keymapper.h"
-#include "launcher/mainmenu.h"
 #include "launcher/vehicle_picker.h"
 
 class launcher_ui : public ui_layer {
@@ -21,8 +20,9 @@ public:
 	bool on_key(const int Key, const int Action) override;
 
 private:
+	void render_() override;
+
 	ui::scenerylist_panel m_scenerylist_panel;
 	ui::keymapper_panel m_keymapper_panel;
-	ui::mainmenu_panel m_mainmenu_panel;
 	ui::vehiclepicker_panel m_vehiclepicker_panel;
 };
diff --git a/launcher/mainmenu.cpp b/launcher/mainmenu.cpp
deleted file mode 100644
index 83994693..00000000
--- a/launcher/mainmenu.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-#include "stdafx.h"
-#include "launcher/mainmenu.h"
-
-ui::mainmenu_panel::mainmenu_panel()
-    : ui_panel(STR("Main menu"), true)
-{
-
-}
-
-void ui::mainmenu_panel::render()
-{
-	if (!is_open)
-		return;
-
-	ImGuiWindowFlags flags = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoCollapse;
-	ImVec2 display_size = ImGui::GetIO().DisplaySize;
-	ImGui::SetNextWindowPos(ImVec2(display_size.x * 0.66f, display_size.y / 2.0f));
-	ImGui::SetNextWindowSize(ImVec2(200, -1));
-
-	if (ImGui::Begin(m_name.c_str(), nullptr, flags)) {
-		ImGui::Button(STR_C("Scenario list"), ImVec2(-1, 0));
-		ImGui::Button(STR_C("Settings"), ImVec2(-1, 0));
-		ImGui::Button(STR_C("Quit"), ImVec2(-1, 0));
-	}
-	ImGui::End();
-}
diff --git a/launcher/mainmenu.h b/launcher/mainmenu.h
deleted file mode 100644
index db5bfec8..00000000
--- a/launcher/mainmenu.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#pragma once
-
-#include "uilayer.h"
-
-namespace ui
-{
-class mainmenu_panel : public ui_panel
-{
-  public:
-	mainmenu_panel();
-
-	void render() override;
-};
-} // namespace ui
diff --git a/launcher/scenery_list.cpp b/launcher/scenery_list.cpp
index 424f124b..dde7e9f4 100644
--- a/launcher/scenery_list.cpp
+++ b/launcher/scenery_list.cpp
@@ -6,12 +6,9 @@
 #include <filesystem>
 
 ui::scenerylist_panel::scenerylist_panel()
-    : ui_panel(STR("Scenario list"), true)
+    : ui_panel(STR("Scenario list"), false)
 {
-	scan_scenarios();
-
-	std::sort(scenarios.begin(), scenarios.end(),
-	          [](const scenery_desc &a, const scenery_desc &b) { return a.path < b.path; });
+	scanner.scan();
 }
 
 void ui::scenerylist_panel::render()
@@ -24,11 +21,11 @@ void ui::scenerylist_panel::render()
 	if (ImGui::Begin(panelname.c_str(), &is_open)) {
 		ImGui::Columns(3);
 
-		if (ImGui::BeginChild("child1")) {
+		if (ImGui::BeginChild("child1", ImVec2(0, -50))) {
 			std::string prev_prefix;
 			bool collapse_open = false;
 
-			for (auto const &desc : scenarios) {
+			for (auto const &desc : scanner.scenarios) {
 				std::string name = desc.path.stem().string();
 				std::string prefix = name.substr(0, name.find_first_of("-_"));
 				if (prefix.empty())
@@ -55,7 +52,7 @@ void ui::scenerylist_panel::render()
 
 		ImGui::NextColumn();
 
-		if (ImGui::BeginChild("child2")) {
+		if (ImGui::BeginChild("child2", ImVec2(0, -50))) {
 			if (selected_scenery) {
 				ImGui::TextWrapped("%s", selected_scenery->name.c_str());
 				ImGui::TextWrapped("%s", selected_scenery->description.c_str());
@@ -80,7 +77,7 @@ void ui::scenerylist_panel::render()
 		ImGui::NextColumn();
 
 		if (selected_scenery) {
-			if (ImGui::BeginChild("child3", ImVec2(0, 0), false, ImGuiWindowFlags_NoScrollbar)) {
+			if (ImGui::BeginChild("child3", ImVec2(0, -50), false, ImGuiWindowFlags_NoScrollbar)) {
 				if (!selected_scenery->image_path.empty()) {
 					scenery_desc *desc = const_cast<scenery_desc*>(selected_scenery);
 					desc->image = GfxRenderer.Fetch_Texture(selected_scenery->image_path, true);
@@ -99,67 +96,25 @@ void ui::scenerylist_panel::render()
 					}
 				}
 			} ImGui::EndChild();
-
-			if (ImGui::Begin(STR_C("Select trainset"))) {
-				for (auto const &trainset : selected_scenery->trainsets) {
-					ImGui::Selectable("Trainset", false);
-				}
-			}
-			ImGui::End();
 		}
+		ImGui::Columns();
+		ImGui::Separator();
+
+		if (ImGui::BeginChild("child4")) {
+			if (selected_scenery) {
+				ImGui::Columns(2);
+
+				if (ImGui::BeginChild("child5", ImVec2(0, 0), false, ImGuiWindowFlags_HorizontalScrollbar)) {
+					for (auto const &trainset : selected_scenery->trainsets) {
+						ImGui::Selectable("trainset", false);
+					}
+				} ImGui::EndChild();
+
+				ImGui::NextColumn();
+				//ImGui::Button(STR_C("Launch"));
+			}
+		} ImGui::EndChild();
 	}
 
 	ImGui::End();
 }
-
-void ui::scenerylist_panel::scan_scenarios()
-{
-	for (auto &f : std::filesystem::directory_iterator("scenery")) {
-		std::filesystem::path path(f.path());
-
-		if (*(path.filename().string().begin()) == '$')
-			continue;
-
-		if (string_ends_with(path.string(), ".scn"))
-			scan_scn(path.string());
-	}
-}
-
-void ui::scenerylist_panel::scan_scn(std::string path)
-{
-	scenarios.emplace_back();
-	scenery_desc &desc = scenarios.back();
-	desc.path = path;
-
-	std::ifstream stream(path, std::ios_base::binary | std::ios_base::in);
-
-	std::string line;
-	while (std::getline(stream, line))
-	{
-		if (line.size() < 6 || !string_starts_with(line, "//$"))
-			continue;
-
-		if (line[3] == 'i')
-			desc.image_path = "scenery/images/" + line.substr(5);
-		else if (line[3] == 'n')
-			desc.name = line.substr(5);
-		else if (line[3] == 'd')
-			desc.description += line.substr(5) + '\n';
-		else if (line[3] == 'f') {
-			std::string lang;
-			std::string file;
-			std::string label;
-
-			std::istringstream stream(line.substr(5));
-			stream >> lang >> file;
-			std::getline(stream, label);
-
-			desc.links.push_back(std::make_pair(file, label));
-		}
-		else if (line[3] == 'o') {
-			desc.trainsets.emplace_back();
-			trainset_desc &trainset = desc.trainsets.back();
-			trainset.name = line.substr(5);
-		}
-	}
-}
diff --git a/launcher/scenery_list.h b/launcher/scenery_list.h
index 2514790d..70df4cd8 100644
--- a/launcher/scenery_list.h
+++ b/launcher/scenery_list.h
@@ -1,38 +1,7 @@
 #pragma once
 
 #include "uilayer.h"
-#include <filesystem>
-
-struct trainset_desc {
-	std::string description;
-
-	std::string name;
-	std::string track;
-
-	float offset { 0.f };
-	float velocity { 0.f };
-
-	std::vector<std::string> vehicles;
-	std::vector<int> couplings;
-};
-
-struct scenery_desc {
-	std::filesystem::path path;
-	std::string name;
-	std::string description;
-	std::string image_path;
-	texture_handle image = 0;
-
-	std::vector<std::pair<std::string, std::string>> links;
-	std::vector<trainset_desc> trainsets;
-
-	std::string title() {
-		if (!name.empty())
-			return name;
-		else
-			return path.stem().string();
-	}
-};
+#include "scenery_scanner.h"
 
 namespace ui
 {
@@ -44,10 +13,7 @@ class scenerylist_panel : public ui_panel
 	void render() override;
 
 private:
-	std::vector<scenery_desc> scenarios;
+	scenery_scanner scanner;
 	scenery_desc const *selected_scenery = nullptr;
-
-	void scan_scenarios();
-	void scan_scn(std::string path);
 };
 } // namespace ui
diff --git a/launcher/scenery_scanner.cpp b/launcher/scenery_scanner.cpp
new file mode 100644
index 00000000..47ae7b11
--- /dev/null
+++ b/launcher/scenery_scanner.cpp
@@ -0,0 +1,57 @@
+#include "stdafx.h"
+#include "scenery_scanner.h"
+
+void scenery_scanner::scan()
+{
+	for (auto &f : std::filesystem::directory_iterator("scenery")) {
+		std::filesystem::path path(f.path());
+
+		if (*(path.filename().string().begin()) == '$')
+			continue;
+
+		if (string_ends_with(path.string(), ".scn"))
+			scan_scn(path.string());
+	}
+
+	std::sort(scenarios.begin(), scenarios.end(),
+	          [](const scenery_desc &a, const scenery_desc &b) { return a.path < b.path; });
+}
+
+void scenery_scanner::scan_scn(std::string path)
+{
+	scenarios.emplace_back();
+	scenery_desc &desc = scenarios.back();
+	desc.path = path;
+
+	std::ifstream stream(path, std::ios_base::binary | std::ios_base::in);
+
+	std::string line;
+	while (std::getline(stream, line))
+	{
+		if (line.size() < 6 || !string_starts_with(line, "//$"))
+			continue;
+
+		if (line[3] == 'i')
+			desc.image_path = "scenery/images/" + line.substr(5);
+		else if (line[3] == 'n')
+			desc.name = line.substr(5);
+		else if (line[3] == 'd')
+			desc.description += line.substr(5) + '\n';
+		else if (line[3] == 'f') {
+			std::string lang;
+			std::string file;
+			std::string label;
+
+			std::istringstream stream(line.substr(5));
+			stream >> lang >> file;
+			std::getline(stream, label);
+
+			desc.links.push_back(std::make_pair(file, label));
+		}
+		else if (line[3] == 'o') {
+			desc.trainsets.emplace_back();
+			trainset_desc &trainset = desc.trainsets.back();
+			trainset.name = line.substr(5);
+		}
+	}
+}
diff --git a/launcher/scenery_scanner.h b/launcher/scenery_scanner.h
new file mode 100644
index 00000000..d95610dc
--- /dev/null
+++ b/launcher/scenery_scanner.h
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <filesystem>
+#include "Texture.h"
+#include "utilities.h"
+
+struct trainset_desc {
+	std::string description;
+
+	std::string name;
+	std::string track;
+
+	float offset { 0.f };
+	float velocity { 0.f };
+
+	std::vector<std::string> vehicles;
+	std::vector<int> couplings;
+};
+
+struct scenery_desc {
+	std::filesystem::path path;
+	std::string name;
+	std::string description;
+	std::string image_path;
+	texture_handle image = 0;
+
+	std::vector<std::pair<std::string, std::string>> links;
+	std::vector<trainset_desc> trainsets;
+
+	std::string title() {
+		if (!name.empty())
+			return name;
+		else
+			return path.stem().string();
+	}
+};
+
+class scenery_scanner {
+public:
+	std::vector<scenery_desc> scenarios;
+
+	void scan();
+
+private:
+	void scan_scn(std::string path);
+};
diff --git a/launcher/textures_scanner.cpp b/launcher/textures_scanner.cpp
new file mode 100644
index 00000000..0e6d53c5
--- /dev/null
+++ b/launcher/textures_scanner.cpp
@@ -0,0 +1,227 @@
+#include "stdafx.h"
+#include "textures_scanner.h"
+#include "renderer.h"
+#include "utilities.h"
+
+GLuint ui::deferred_image::get() const
+{
+	if (!path.empty()) {
+		image = GfxRenderer.Fetch_Texture(path, true);
+		path.clear();
+	}
+
+	if (image != null_handle) {
+		opengl_texture &tex = GfxRenderer.Texture(image);
+		tex.create();
+
+		if (tex.is_ready)
+			return tex.id;
+	}
+
+	return -1;
+}
+
+ui::deferred_image::operator bool() const
+{
+	return image != null_handle || !path.empty();
+}
+
+glm::ivec2 ui::deferred_image::size() const
+{
+	if (image != null_handle) {
+		opengl_texture &tex = GfxRenderer.Texture(image);
+		return glm::ivec2(tex.width(), tex.height());
+	}
+	return glm::ivec2();
+}
+
+
+void ui::vehicles_bank::scan_textures()
+{
+	for (auto &f : std::filesystem::recursive_directory_iterator("dynamic")) {
+		if (f.path().filename() != "textures.txt")
+			continue;
+
+		std::fstream stream(f.path(), std::ios_base::binary | std::ios_base::in);
+		ctx_path = f.path().parent_path();
+
+		std::string line;
+		while (std::getline(stream, line))
+		{
+			if (line.size() < 3)
+				continue;
+			if (line.back() == '\r')
+				line.pop_back();
+
+			parse_entry(line);
+		}
+	}
+}
+
+void ui::vehicles_bank::parse_entry(const std::string &line)
+{
+	std::string content;
+	std::string comments;
+
+	size_t pos = line.find("//");
+	if (pos != -1)
+		comments = line.substr(pos);
+	content = line.substr(0, pos);
+
+	std::istringstream stream(content);
+
+	std::string target;
+	std::getline(stream, target, '=');
+
+	std::string param;
+	while (std::getline(stream, param, '=')) {
+		if (line[0] == '!')
+			parse_category_entry(param);
+		else if (line[0] == '*' && line[1] == '*')
+			parse_texture_rule(target.substr(2), param);
+		else if (line[0] == '*')
+			parse_coupling_rule(target.substr(1), param);
+		else if (line[0] != '@')
+			parse_texture_info(target, param, comments);
+	}
+}
+
+void ui::vehicles_bank::parse_category_entry(const std::string &param)
+{
+	static std::unordered_map<char, vehicle_type> type_map = {
+	    { 'e', vehicle_type::electric_loco },
+	    { 's', vehicle_type::diesel_loco },
+	    { 'p', vehicle_type::steam_loco },
+	    { 'a', vehicle_type::railcar },
+	    { 'z', vehicle_type::emu },
+	    { 'r', vehicle_type::utility },
+	    { 'd', vehicle_type::draisine },
+	    { 't', vehicle_type::tram },
+	    { 'c', vehicle_type::truck },
+	    { 'b', vehicle_type::bus },
+	    { 'o', vehicle_type::car },
+	    { 'h', vehicle_type::man },
+	    { 'f', vehicle_type::animal },
+	};
+
+	ctx_type = vehicle_type::unknown;
+
+	std::istringstream stream(param);
+
+	std::string tok;
+	std::getline(stream, tok, ',');
+
+	if (tok.size() < 1)
+		return;
+
+	auto it = type_map.find(tok[0]);
+	if (it != type_map.end())
+		ctx_type = it->second;
+	else if (tok[0] >= 'A' && tok[0] <= 'Z')
+		ctx_type = vehicle_type::carriage;
+
+	std::string mini;
+	std::getline(stream, mini, ',');
+
+	category_icons.emplace(ctx_type, "textures/mini/" + ToLower(mini));
+}
+
+void ui::vehicles_bank::parse_texture_info(const std::string &target, const std::string &param, const std::string &comment)
+{
+	std::istringstream stream(param);
+
+	std::string model, mini, miniplus;
+
+	std::getline(stream, model, ',');
+	std::getline(stream, mini, ',');
+	std::getline(stream, miniplus, ',');
+
+	skin_set set;
+	set.group = mini;
+
+	if (!mini.empty())
+		group_icons.emplace(mini, std::move(deferred_image("textures/mini/" + ToLower(mini))));
+
+	if (!miniplus.empty())
+		set.mini = std::move(deferred_image("textures/mini/" + ToLower(miniplus)));
+
+	std::istringstream tex_stream(target);
+	std::string texture;
+	while (std::getline(tex_stream, texture, '|')) {
+		auto path = ctx_path;
+		path.append(texture);
+		set.skins.push_back(path);
+	}
+
+	auto vehicle = get_vehicle(model);
+	group_map[set.group].insert(vehicle);
+	vehicle->matching_skinsets.push_back(std::move(set));
+}
+
+void ui::vehicles_bank::parse_coupling_rule(const std::string &target, const std::string &param)
+{
+	if (param == "?")
+		return;
+
+	std::istringstream stream(param);
+
+	int coupling_flag;
+	stream >> coupling_flag;
+	stream.ignore(1000, ',');
+
+	std::string connected;
+	std::getline(stream, connected, ',');
+
+	std::string param1, param2;
+	std::getline(stream, param1, ',');
+	std::getline(stream, param2, ',');
+
+	coupling_rule rule;
+	rule.coupled_vehicle = get_vehicle(target);
+	rule.coupling_flag = coupling_flag;
+
+	get_vehicle(connected)->coupling_rules.push_back(rule);
+}
+
+void ui::vehicles_bank::parse_texture_rule(const std::string &target, const std::string &param)
+{
+	std::istringstream stream(param);
+
+	std::string prev;
+	std::getline(stream, prev, ',');
+
+	std::string replace_rule;
+	while (std::getline(stream, replace_rule, ',')) {
+		if (replace_rule == "-")
+			break;
+
+		std::istringstream rule_stream(replace_rule);
+
+		std::string src, dst;
+		std::getline(rule_stream, src, '-');
+		std::getline(rule_stream, dst, '-');
+
+		texture_rule rule;
+		rule.previous_vehicle = get_vehicle(prev);
+		rule.replace_rules.emplace_back(src, dst);
+
+		get_vehicle(target)->texture_rules.push_back(rule);
+	}
+}
+
+std::shared_ptr<ui::vehicle_desc> ui::vehicles_bank::get_vehicle(const std::string &name)
+{
+	auto path = ctx_path;
+	path.append(name);
+	auto it = vehicles.find(path);
+	if (it != vehicles.end()) {
+		return it->second;
+	}
+	else {
+		auto desc = std::make_shared<vehicle_desc>();
+		desc->type = ctx_type;
+		desc->path = path;
+		vehicles.emplace(path, desc);
+		return desc;
+	}
+}
diff --git a/launcher/textures_scanner.h b/launcher/textures_scanner.h
new file mode 100644
index 00000000..4aaa17bc
--- /dev/null
+++ b/launcher/textures_scanner.h
@@ -0,0 +1,90 @@
+#pragma once
+
+#include "Texture.h"
+
+namespace ui {
+enum class vehicle_type {
+	none = -1,
+	electric_loco,
+	diesel_loco,
+	steam_loco,
+	railcar,
+	emu,
+	utility,
+	draisine,
+	tram,
+	carriage,
+	truck,
+	bus,
+	car,
+	man,
+	animal,
+	unknown
+};
+
+class deferred_image {
+public:
+	deferred_image() = default;
+	deferred_image(const std::string &p) : path(p) { }
+	deferred_image(const deferred_image&) = delete;
+	deferred_image(deferred_image&&) = default;
+	deferred_image &operator=(deferred_image&&) = default;
+	operator bool() const;
+
+	GLuint get() const;
+	glm::ivec2 size() const;
+
+private:
+	mutable std::string path;
+	mutable texture_handle image = 0;
+};
+
+struct skin_set {
+	std::vector<std::filesystem::path> skins;
+	deferred_image mini;
+	std::string group;
+};
+
+struct vehicle_desc;
+struct texture_rule {
+	std::shared_ptr<vehicle_desc> previous_vehicle;
+	std::vector<std::pair<std::string, std::string>> replace_rules;
+};
+
+struct coupling_rule {
+	std::shared_ptr<vehicle_desc> coupled_vehicle;
+	int coupling_flag;
+};
+
+struct vehicle_desc {
+	vehicle_type type;
+	std::filesystem::path path;
+
+	std::vector<skin_set> matching_skinsets;
+	std::vector<coupling_rule> coupling_rules;
+	std::vector<texture_rule> texture_rules;
+};
+
+class vehicles_bank {
+public:
+	std::unordered_map<vehicle_type, deferred_image> category_icons;
+	std::map<std::string, deferred_image> group_icons;
+
+	std::map<std::filesystem::path, std::shared_ptr<vehicle_desc>> vehicles;
+	std::map<std::string, std::set<std::shared_ptr<vehicle_desc>>> group_map;
+	void scan_textures();
+
+private:
+	void parse_entry(const std::string &line);
+	void parse_category_entry(const std::string &param);
+	void parse_coupling_rule(const std::string &target, const std::string &param);
+	void parse_texture_rule(const std::string &target, const std::string &param);
+	void parse_texture_info(const std::string &target, const std::string &param, const std::string &comment);
+
+	std::shared_ptr<vehicle_desc> get_vehicle(const std::string &name);
+
+	vehicle_type ctx_type = vehicle_type::unknown;
+	std::filesystem::path ctx_path;
+	std::string ctx_model;
+};
+}
diff --git a/launcher/vehicle_picker.cpp b/launcher/vehicle_picker.cpp
index c80d73d7..9f575c44 100644
--- a/launcher/vehicle_picker.cpp
+++ b/launcher/vehicle_picker.cpp
@@ -2,40 +2,8 @@
 #include "launcher/vehicle_picker.h"
 #include "renderer.h"
 
-GLuint ui::deferred_image::get() const
-{
-	if (!path.empty()) {
-		image = GfxRenderer.Fetch_Texture(path, true);
-		path.clear();
-	}
-
-	if (image != null_handle) {
-		opengl_texture &tex = GfxRenderer.Texture(image);
-		tex.create();
-
-		if (tex.is_ready)
-			return tex.id;
-	}
-
-	return -1;
-}
-
-ui::deferred_image::operator bool() const
-{
-	return image != null_handle || !path.empty();
-}
-
-glm::ivec2 ui::deferred_image::size() const
-{
-	if (image != null_handle) {
-		opengl_texture &tex = GfxRenderer.Texture(image);
-		return glm::ivec2(tex.width(), tex.height());
-	}
-	return glm::ivec2();
-}
-
 ui::vehiclepicker_panel::vehiclepicker_panel()
-    : ui_panel(STR("Select vehicle"), true)
+    : ui_panel(STR("Select vehicle"), false)
 {
 	bank.scan_textures();
 }
@@ -64,7 +32,7 @@ void ui::vehiclepicker_panel::render()
 	    { vehicle_type::unknown, STRN("Unknown") }
 	};
 
-	if (ImGui::Begin(m_name.c_str())) {
+	if (ImGui::Begin(m_name.c_str(), &is_open)) {
 		ImGui::Columns(3);
 
 		ImGui::PushStyleVar(ImGuiStyleVar_SelectableTextAlign, ImVec2(0.0f, 0.5f));
@@ -83,7 +51,7 @@ void ui::vehiclepicker_panel::render()
 		ImGui::EndChild();
 		ImGui::NextColumn();
 
-		ImGui::TextUnformatted("Group by: ");
+		ImGui::TextUnformatted(STR_C("Group by: "));
 		ImGui::SameLine();
 		if (ImGui::RadioButton(STR_C("type"), !display_by_groups))
 			display_by_groups = false;
@@ -193,7 +161,7 @@ void ui::vehiclepicker_panel::render()
 					auto skin = skinset_list[i];
 
 					std::string label = skin->skins[0].stem().string();
-					if (selectable_image(label.c_str(), skin == selected_skinset, &skin->mini))
+					if (selectable_image(label.c_str(), skin == selected_skinset, &skin->mini, true))
 						selected_skinset = skin;
 				}
 		}
@@ -202,7 +170,7 @@ void ui::vehiclepicker_panel::render()
 		ImGui::PopStyleVar();
 	}
 	ImGui::End();
-
+/*
 	if (!lastdef)
 		return;
 
@@ -244,12 +212,14 @@ void ui::vehiclepicker_panel::render()
 	}
 
 	ImGui::End();
+	*/
 }
 
-bool ui::vehiclepicker_panel::selectable_image(const char *desc, bool selected, const deferred_image* image)
+bool ui::vehiclepicker_panel::selectable_image(const char *desc, bool selected, const deferred_image* image, bool pickable)
 {
 	bool ret = ImGui::Selectable(desc, selected, 0, ImVec2(0, 30));
-	ImGui::SetItemAllowOverlap();
+	if (pickable)
+		ImGui::SetItemAllowOverlap();
 
 	if (!image)
 		return ret;
@@ -260,211 +230,22 @@ bool ui::vehiclepicker_panel::selectable_image(const char *desc, bool selected,
 		float width = 30.0f / size.y * size.x;
 		ImGui::SameLine(ImGui::GetContentRegionAvail().x - width);
 		ImGui::Image(reinterpret_cast<void*>(tex), ImVec2(width, 30), ImVec2(0, 1), ImVec2(1, 0));
-		lastdef = image;
 
-		ImGui::PushID((void*)image);
-		ImGui::SameLine(ImGui::GetContentRegionAvail().x - width);
-		ImGui::InvisibleButton(desc, ImVec2(width, 30));
+		if (pickable) {
+			ImGui::PushID((void*)image);
+			ImGui::SameLine(ImGui::GetContentRegionAvail().x - width);
+			ImGui::InvisibleButton(desc, ImVec2(width, 30));
 
-		if (ImGui::BeginDragDropSource()) {
-			ImGui::Image(reinterpret_cast<void*>(tex), ImVec2(width, 30), ImVec2(0, 1), ImVec2(1, 0));
+			if (ImGui::BeginDragDropSource()) {
+				ImGui::Image(reinterpret_cast<void*>(tex), ImVec2(width, 30), ImVec2(0, 1), ImVec2(1, 0));
 
-			ImGui::SetDragDropPayload("skin", "aaaa", 5);
-			ImGui::EndDragDropSource();
+				ImGui::SetDragDropPayload("skin", "aaaa", 5);
+				ImGui::EndDragDropSource();
+			}
+
+			ImGui::PopID();
 		}
-
-		ImGui::PopID();
 	}
 
 	return ret;
 }
-
-void ui::vehicles_bank::scan_textures()
-{
-	for (auto &f : std::filesystem::recursive_directory_iterator("dynamic")) {
-		if (f.path().filename() != "textures.txt")
-			continue;
-
-		std::fstream stream(f.path(), std::ios_base::binary | std::ios_base::in);
-		ctx_path = f.path().parent_path();
-
-		std::string line;
-		while (std::getline(stream, line))
-		{
-			if (line.size() < 3)
-				continue;
-			if (line.back() == '\r')
-				line.pop_back();
-
-			parse_entry(line);
-		}
-	}
-}
-
-void ui::vehicles_bank::parse_entry(const std::string &line)
-{
-	std::string content;
-	std::string comments;
-
-	size_t pos = line.find("//");
-	if (pos != -1)
-		comments = line.substr(pos);
-	content = line.substr(0, pos);
-
-	std::istringstream stream(content);
-
-	std::string target;
-	std::getline(stream, target, '=');
-
-	std::string param;
-	while (std::getline(stream, param, '=')) {
-		if (line[0] == '!')
-			parse_category_entry(param);
-		else if (line[0] == '*' && line[1] == '*')
-			parse_texture_rule(target.substr(2), param);
-		else if (line[0] == '*')
-			parse_coupling_rule(target.substr(1), param);
-		else if (line[0] != '@')
-			parse_texture_info(target, param, comments);
-	}
-}
-
-void ui::vehicles_bank::parse_category_entry(const std::string &param)
-{
-	static std::unordered_map<char, vehicle_type> type_map = {
-	    { 'e', vehicle_type::electric_loco },
-	    { 's', vehicle_type::diesel_loco },
-	    { 'p', vehicle_type::steam_loco },
-	    { 'a', vehicle_type::railcar },
-	    { 'z', vehicle_type::emu },
-	    { 'r', vehicle_type::utility },
-	    { 'd', vehicle_type::draisine },
-	    { 't', vehicle_type::tram },
-	    { 'c', vehicle_type::truck },
-	    { 'b', vehicle_type::bus },
-	    { 'o', vehicle_type::car },
-	    { 'h', vehicle_type::man },
-	    { 'f', vehicle_type::animal },
-	};
-
-	ctx_type = vehicle_type::unknown;
-
-	std::istringstream stream(param);
-
-	std::string tok;
-	std::getline(stream, tok, ',');
-
-	if (tok.size() < 1)
-		return;
-
-	auto it = type_map.find(tok[0]);
-	if (it != type_map.end())
-		ctx_type = it->second;
-	else if (tok[0] >= 'A' && tok[0] <= 'Z')
-		ctx_type = vehicle_type::carriage;
-
-	std::string mini;
-	std::getline(stream, mini, ',');
-
-	category_icons.emplace(ctx_type, "textures/mini/" + ToLower(mini));
-}
-
-void ui::vehicles_bank::parse_texture_info(const std::string &target, const std::string &param, const std::string &comment)
-{
-	std::istringstream stream(param);
-
-	std::string model, mini, miniplus;
-
-	std::getline(stream, model, ',');
-	std::getline(stream, mini, ',');
-	std::getline(stream, miniplus, ',');
-
-	skin_set set;
-	set.group = mini;
-
-	if (!mini.empty())
-		group_icons.emplace(mini, std::move(deferred_image("textures/mini/" + ToLower(mini))));
-
-	if (!miniplus.empty())
-		set.mini = std::move(deferred_image("textures/mini/" + ToLower(miniplus)));
-
-	std::istringstream tex_stream(target);
-	std::string texture;
-	while (std::getline(tex_stream, texture, '|')) {
-		auto path = ctx_path;
-		path.append(texture);
-		set.skins.push_back(path);
-	}
-
-	auto vehicle = get_vehicle(model);
-	group_map[set.group].insert(vehicle);
-	vehicle->matching_skinsets.push_back(std::move(set));
-}
-
-void ui::vehicles_bank::parse_coupling_rule(const std::string &target, const std::string &param)
-{
-	if (param == "?")
-		return;
-
-	std::istringstream stream(param);
-
-	int coupling_flag;
-	stream >> coupling_flag;
-	stream.ignore(1000, ',');
-
-	std::string connected;
-	std::getline(stream, connected, ',');
-
-	std::string param1, param2;
-	std::getline(stream, param1, ',');
-	std::getline(stream, param2, ',');
-
-	coupling_rule rule;
-	rule.coupled_vehicle = get_vehicle(target);
-	rule.coupling_flag = coupling_flag;
-
-	get_vehicle(connected)->coupling_rules.push_back(rule);
-}
-
-void ui::vehicles_bank::parse_texture_rule(const std::string &target, const std::string &param)
-{
-	std::istringstream stream(param);
-
-	std::string prev;
-	std::getline(stream, prev, ',');
-
-	std::string replace_rule;
-	while (std::getline(stream, replace_rule, ',')) {
-		if (replace_rule == "-")
-			break;
-
-		std::istringstream rule_stream(replace_rule);
-
-		std::string src, dst;
-		std::getline(rule_stream, src, '-');
-		std::getline(rule_stream, dst, '-');
-
-		texture_rule rule;
-		rule.previous_vehicle = get_vehicle(prev);
-		rule.replace_rules.emplace_back(src, dst);
-
-		get_vehicle(target)->texture_rules.push_back(rule);
-	}
-}
-
-std::shared_ptr<ui::vehicle_desc> ui::vehicles_bank::get_vehicle(const std::string &name)
-{
-	auto path = ctx_path;
-	path.append(name);
-	auto it = vehicles.find(path);
-	if (it != vehicles.end()) {
-		return it->second;
-	}
-	else {
-		auto desc = std::make_shared<vehicle_desc>();
-		desc->type = ctx_type;
-		desc->path = path;
-		vehicles.emplace(path, desc);
-		return desc;
-	}
-}
diff --git a/launcher/vehicle_picker.h b/launcher/vehicle_picker.h
index bcac3d02..16c1b522 100644
--- a/launcher/vehicle_picker.h
+++ b/launcher/vehicle_picker.h
@@ -1,92 +1,9 @@
 #pragma once
 
 #include "uilayer.h"
+#include "textures_scanner.h"
 
 namespace ui {
-enum class vehicle_type {
-	none = -1,
-	electric_loco,
-	diesel_loco,
-	steam_loco,
-	railcar,
-	emu,
-	utility,
-	draisine,
-	tram,
-	carriage,
-	truck,
-	bus,
-	car,
-	man,
-	animal,
-	unknown
-};
-
-class deferred_image {
-public:
-	deferred_image() = default;
-	deferred_image(const std::string &p) : path(p) { }
-	deferred_image(const deferred_image&) = delete;
-	deferred_image(deferred_image&&) = default;
-	deferred_image &operator=(deferred_image&&) = default;
-	operator bool() const;
-
-	GLuint get() const;
-	glm::ivec2 size() const;
-
-private:
-	mutable std::string path;
-	mutable texture_handle image = 0;
-};
-
-struct skin_set {
-	std::vector<std::filesystem::path> skins;
-	deferred_image mini;
-	std::string group;
-};
-
-struct vehicle_desc;
-struct texture_rule {
-	std::shared_ptr<vehicle_desc> previous_vehicle;
-	std::vector<std::pair<std::string, std::string>> replace_rules;
-};
-
-struct coupling_rule {
-	std::shared_ptr<vehicle_desc> coupled_vehicle;
-	int coupling_flag;
-};
-
-struct vehicle_desc {
-	vehicle_type type;
-	std::filesystem::path path;
-
-	std::vector<skin_set> matching_skinsets;
-	std::vector<coupling_rule> coupling_rules;
-	std::vector<texture_rule> texture_rules;
-};
-
-class vehicles_bank {
-public:
-	std::unordered_map<vehicle_type, deferred_image> category_icons;
-	std::map<std::string, deferred_image> group_icons;
-
-	std::map<std::filesystem::path, std::shared_ptr<vehicle_desc>> vehicles;
-	std::map<std::string, std::set<std::shared_ptr<vehicle_desc>>> group_map;
-	void scan_textures();
-
-private:
-	void parse_entry(const std::string &line);
-	void parse_category_entry(const std::string &param);
-	void parse_coupling_rule(const std::string &target, const std::string &param);
-	void parse_texture_rule(const std::string &target, const std::string &param);
-	void parse_texture_info(const std::string &target, const std::string &param, const std::string &comment);
-
-	std::shared_ptr<vehicle_desc> get_vehicle(const std::string &name);
-
-	vehicle_type ctx_type = vehicle_type::unknown;
-	std::filesystem::path ctx_path;
-	std::string ctx_model;
-};
 
 class vehiclepicker_panel : public ui_panel
 {
@@ -96,7 +13,7 @@ class vehiclepicker_panel : public ui_panel
 	void render() override;
 
 private:
-	bool selectable_image(const char *desc, bool selected, const deferred_image *image);
+	bool selectable_image(const char *desc, bool selected, const deferred_image *image, bool pickable = false);
 
 	vehicle_type selected_type = vehicle_type::none;
 	std::shared_ptr<const vehicle_desc> selected_vehicle;
@@ -105,7 +22,5 @@ private:
 	bool display_by_groups = false;
 
 	vehicles_bank bank;
-
-	const deferred_image *lastdef = nullptr;
 };
 } // namespace ui