Merge branch 'staging'

# Conflicts:
#	.vscode/launch.json
#	.vscode/tasks.json
#	src/imgui/window/animation_preview.cpp
#	src/imgui/window/regions.cpp

.vscode/launch.json

@@ -5,7 +5,8 @@
             "name": "Debug",
             "type": "cppdbg",
             "request": "launch",
-            "program": "${workspaceFolder}/out/build/linux-debug/anm2ed",
+            "preLaunchTask": "build-debug",
+            "program": "${workspaceFolder}/out/build/linux-debug/bin/anm2ed",
             "args": [],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",
@@ -28,7 +29,8 @@
             "name": "Release",
             "type": "cppdbg",
             "request": "launch",
-            "program": "${workspaceFolder}/out/build/linux-release/anm2ed",
+            "preLaunchTask": "build-release",
+            "program": "${workspaceFolder}/out/build/linux-release/bin/anm2ed",
             "args": [],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",
@@ -48,4 +50,4 @@
             ]
         }
     ]
-}
+}

.vscode/tasks.json

@@ -2,17 +2,33 @@
     "version": "2.0.0",
     "tasks": [
         {
-            "label": "run-debug",
+            "label": "configure-debug",
             "type": "shell",
-            "command": "cmake -S . -B out/build/linux-debug -DCMAKE_BUILD_TYPE=Debug && cmake --build out/build/linux-debug --parallel 8 --target anm2ed && ./out/build/linux-debug/anm2ed",
+            "command": "cmake",
+            "args": [
+                "-S",
+                ".",
+                "-B",
+                "out/build/linux-debug",
+                "-DCMAKE_BUILD_TYPE=Debug"
+            ],
             "problemMatcher": [
                 "$gcc"
             ]
         },
         {
-            "label": "build",
+            "label": "build-debug",
             "type": "shell",
-            "command": "cmake -S . -B out/build/linux-debug -DCMAKE_BUILD_TYPE=Debug && cmake --build out/build/linux-debug --parallel 8 --target anm2ed",
+            "command": "cmake",
+            "args": [
+                "--build",
+                "out/build/linux-debug",
+                "--parallel",
+                "8",
+                "--target",
+                "anm2ed"
+            ],
+            "dependsOn": "configure-debug",
             "group": {
                 "kind": "build",
                 "isDefault": true
@@ -22,9 +38,23 @@
             ]
         },
         {
-            "label": "run-release",
+            "label": "run-debug",
             "type": "shell",
-            "command": "cmake -S . -B out/build/linux-release -DCMAKE_BUILD_TYPE=Release && cmake --build out/build/linux-release --parallel 8 --target anm2ed && ./out/build/linux-release/anm2ed",
+            "command": "./out/build/linux-debug/bin/anm2ed",
+            "dependsOn": "build-debug",
+            "problemMatcher": []
+        },
+        {
+            "label": "configure-release",
+            "type": "shell",
+            "command": "cmake",
+            "args": [
+                "-S",
+                ".",
+                "-B",
+                "out/build/linux-release",
+                "-DCMAKE_BUILD_TYPE=Release"
+            ],
             "problemMatcher": [
                 "$gcc"
             ]
@@ -32,11 +62,27 @@
         {
             "label": "build-release",
             "type": "shell",
-            "command": "cmake -S . -B out/build/linux-release -DCMAKE_BUILD_TYPE=Release && cmake --build out/build/linux-release --parallel 8 --target anm2ed",
+            "command": "cmake",
+            "args": [
+                "--build",
+                "out/build/linux-release",
+                "--parallel",
+                "8",
+                "--target",
+                "anm2ed"
+            ],
+            "dependsOn": "configure-release",
             "group": "build",
             "problemMatcher": [
                 "$gcc"
             ]
+        },
+        {
+            "label": "run-release",
+            "type": "shell",
+            "command": "./out/build/linux-release/bin/anm2ed",
+            "dependsOn": "build-release",
+            "problemMatcher": []
         }
     ]
-}
+}

CMakeLists.txt

@@ -87,23 +87,30 @@ set(TINYXML2_SRC external/tinyxml2/tinyxml2.cpp)
 
 file(GLOB PROJECT_SRC CONFIGURE_DEPENDS
      src/anm2/*.cpp
-     src/anm2/*.h
+     src/anm2/*.hpp
      src/resource/*.cpp
-     src/resource/*.h
+     src/resource/*.hpp
      src/imgui/*.cpp
-     src/imgui/*.h
+     src/imgui/*.hpp
      src/imgui/window/*.cpp
-     src/imgui/window/*.h
+     src/imgui/window/*.hpp
      src/imgui/wizard/*.cpp
-     src/imgui/wizard/*.h
+     src/imgui/wizard/*.hpp
      src/util/*.cpp
-     src/util/*.h
+     src/util/*.hpp
      src/window/*.cpp
-     src/window/*.h
+     src/window/*.hpp
      src/*.cpp
-     src/*.h)
+     src/*.hpp)
 
 add_executable(${PROJECT_NAME} ${GLAD_SRC} ${IMGUI_SRC} ${TINYXML2_SRC} ${PROJECT_SRC})
+set_target_properties(
+  ${PROJECT_NAME}
+  PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin"
+             RUNTIME_OUTPUT_DIRECTORY_DEBUG "${CMAKE_BINARY_DIR}/bin"
+             RUNTIME_OUTPUT_DIRECTORY_RELEASE "${CMAKE_BINARY_DIR}/bin"
+             RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO "${CMAKE_BINARY_DIR}/bin"
+             RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL "${CMAKE_BINARY_DIR}/bin")
 
 target_compile_definitions(${PROJECT_NAME} PRIVATE IMGUI_DISABLE_OBSOLETE_FUNCTIONS IMGUI_DEBUG_PARANOID
                                                IMGUI_ENABLE_DOCKING)

CMakeSettings.json

@@ -1,7 +1,7 @@
 {
     "configurations": [
         {
-            "name": "x64-Debug",
+            "name": "windows-debug",
             "generator": "Ninja",
             "configurationType": "Debug",
             "inheritEnvironments": [
@@ -12,7 +12,7 @@
             "cmakeCommandArgs": "-DCMAKE_BUILD_TYPE=\"Debug\""
         },
         {
-            "name": "x64-Release",
+            "name": "windows-release",
             "generator": "Ninja",
             "configurationType": "Release",
             "inheritEnvironments": [
@@ -23,4 +23,4 @@
             "cmakeCommandArgs": "-DCMAKE_BUILD_TYPE=\"Release\""
         }
     ]
-}
+}

src/anm2/animation.cpp

@@ -1,9 +1,9 @@
-#include "animation.h"
+#include "animation.hpp"
 
-#include "map_.h"
-#include "math_.h"
-#include "unordered_map_.h"
-#include "xml_.h"
+#include "map_.hpp"
+#include "math_.hpp"
+#include "unordered_map_.hpp"
+#include "xml_.hpp"
 #include <ranges>
 
 using namespace anm2ed::util;

src/anm2/animation.hpp

@@ -3,7 +3,7 @@
 #include <map>
 #include <string>
 
-#include "item.h"
+#include "item.hpp"
 
 namespace anm2ed::anm2
 {

src/anm2/animations.cpp

@@ -1,6 +1,6 @@
-#include "animations.h"
+#include "animations.hpp"
 
-#include "xml_.h"
+#include "xml_.hpp"
 
 using namespace tinyxml2;
 using namespace anm2ed::types;

src/anm2/animations.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "animation.h"
+#include "animation.hpp"
 
 namespace anm2ed::anm2
 {

src/anm2/anm2.cpp

@@ -1,15 +1,15 @@
-#include "anm2.h"
+#include "anm2.hpp"
 
 #include <algorithm>
 #include <filesystem>
 #include <unordered_map>
 
-#include "file_.h"
-#include "map_.h"
-#include "time_.h"
-#include "vector_.h"
-#include "working_directory.h"
-#include "xml_.h"
+#include "file_.hpp"
+#include "map_.hpp"
+#include "time_.hpp"
+#include "vector_.hpp"
+#include "working_directory.hpp"
+#include "xml_.hpp"
 
 using namespace tinyxml2;
 using namespace anm2ed::types;

src/anm2/anm2.hpp

@@ -4,11 +4,11 @@
 #include <string>
 #include <tinyxml2/tinyxml2.h>
 
-#include "types.h"
+#include "types.hpp"
 
-#include "animations.h"
-#include "content.h"
-#include "info.h"
+#include "animations.hpp"
+#include "content.hpp"
+#include "info.hpp"
 
 namespace anm2ed::anm2
 {

src/anm2/anm2_animations.cpp

@@ -1,6 +1,6 @@
-#include "anm2.h"
+#include "anm2.hpp"
 
-#include "vector_.h"
+#include "vector_.hpp"
 
 using namespace anm2ed::util;
 using namespace anm2ed::types;

src/anm2/anm2_events.cpp

@@ -1,8 +1,8 @@
-#include "anm2.h"
+#include "anm2.hpp"
 
 #include <ranges>
 
-#include "map_.h"
+#include "map_.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::util;

src/anm2/anm2_items.cpp

@@ -1,8 +1,8 @@
-#include "anm2.h"
+#include "anm2.hpp"
 
-#include "map_.h"
-#include "types.h"
-#include "unordered_map_.h"
+#include "map_.hpp"
+#include "types.hpp"
+#include "unordered_map_.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::util;

src/anm2/anm2_layers.cpp

@@ -1,8 +1,8 @@
-#include "anm2.h"
+#include "anm2.hpp"
 
 #include <ranges>
 
-#include "map_.h"
+#include "map_.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::util;

src/anm2/anm2_nulls.cpp

@@ -1,8 +1,8 @@
-#include "anm2.h"
+#include "anm2.hpp"
 
 #include <ranges>
 
-#include "map_.h"
+#include "map_.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::util;

src/anm2/anm2_sounds.cpp

@@ -1,8 +1,8 @@
-#include "anm2.h"
+#include "anm2.hpp"
 
-#include "map_.h"
-#include "path_.h"
-#include "working_directory.h"
+#include "map_.hpp"
+#include "path_.hpp"
+#include "working_directory.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::util;

src/anm2/anm2_spritesheets.cpp

@@ -1,4 +1,4 @@
-#include "anm2.h"
+#include "anm2.hpp"
 
 #include <algorithm>
 #include <cmath>
@@ -8,9 +8,9 @@
 #include <unordered_map>
 #include <vector>
 
-#include "map_.h"
-#include "path_.h"
-#include "working_directory.h"
+#include "map_.hpp"
+#include "path_.hpp"
+#include "working_directory.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::util;
@@ -419,6 +419,7 @@ namespace anm2ed::anm2
     std::unordered_map<int, glm::ivec2> offsets{};
     offsets[baseId] = {};
 
+    auto baseTextureSize = base.texture.size;
     auto mergedTexture = base.texture;
     for (auto id : ids)
     {
@@ -446,6 +447,20 @@ namespace anm2ed::anm2
           base.regionOrder.push_back(id);
       }
 
+      auto baseLocationRegionID = map::next_id_get(base.regions);
+      auto baseFilename = path::to_utf8(base.path.stem());
+      auto baseLocationRegionName = baseFilename.empty() ? std::format("#{}", baseId) : baseFilename;
+      auto baseLocationRegionPivot =
+          regionOrigin == origin::ORIGIN_CENTER ? glm::vec2(baseTextureSize) * 0.5f : glm::vec2();
+      base.regions[baseLocationRegionID] = {
+          .name = baseLocationRegionName,
+          .crop = {},
+          .pivot = glm::ivec2(baseLocationRegionPivot),
+          .size = baseTextureSize,
+          .origin = regionOrigin,
+      };
+      base.regionOrder.push_back(baseLocationRegionID);
+
       for (auto id : ids)
       {
         if (id == baseId) continue;

src/anm2/anm2_type.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
-#include "icon.h"
-#include "strings.h"
+#include "icon.hpp"
+#include "strings.hpp"
 
 #include <glm/glm/vec2.hpp>
 #include <glm/glm/vec3.hpp>

src/anm2/content.cpp

@@ -1,4 +1,4 @@
-#include "content.h"
+#include "content.hpp"
 
 using namespace tinyxml2;
 

src/anm2/content.hpp

@@ -2,11 +2,11 @@
 
 #include <map>
 
-#include "event.h"
-#include "layer.h"
-#include "null.h"
-#include "sound.h"
-#include "spritesheet.h"
+#include "event.hpp"
+#include "layer.hpp"
+#include "null.hpp"
+#include "sound.hpp"
+#include "spritesheet.hpp"
 
 namespace anm2ed::anm2
 {

src/anm2/event.cpp

@@ -1,6 +1,6 @@
-#include "event.h"
+#include "event.hpp"
 
-#include "xml_.h"
+#include "xml_.hpp"
 
 using namespace anm2ed::util;
 using namespace tinyxml2;

src/anm2/frame.cpp

@@ -1,7 +1,7 @@
-#include "frame.h"
+#include "frame.hpp"
 
-#include "math_.h"
-#include "xml_.h"
+#include "math_.hpp"
+#include "xml_.hpp"
 
 using namespace anm2ed::util;
 using namespace tinyxml2;

src/anm2/frame.hpp

@@ -4,8 +4,8 @@
 #include <string>
 #include <tinyxml2/tinyxml2.h>
 
-#include "anm2_type.h"
-#include "types.h"
+#include "anm2_type.hpp"
+#include "types.hpp"
 
 namespace anm2ed::anm2
 {

src/anm2/info.cpp

@@ -1,6 +1,6 @@
-#include "info.h"
+#include "info.hpp"
 
-#include "xml_.h"
+#include "xml_.hpp"
 
 using namespace anm2ed::util;
 using namespace tinyxml2;

src/anm2/item.cpp

@@ -1,9 +1,9 @@
-#include "item.h"
+#include "item.hpp"
 #include <algorithm>
 #include <ranges>
 
-#include "vector_.h"
-#include "xml_.h"
+#include "vector_.hpp"
+#include "xml_.hpp"
 
 using namespace anm2ed::util;
 using namespace tinyxml2;

src/anm2/item.hpp

@@ -3,7 +3,7 @@
 #include <set>
 #include <vector>
 
-#include "frame.h"
+#include "frame.hpp"
 
 namespace anm2ed::anm2
 {

src/anm2/layer.cpp

@@ -1,6 +1,6 @@
-#include "layer.h"
+#include "layer.hpp"
 
-#include "xml_.h"
+#include "xml_.hpp"
 
 using namespace anm2ed::util;
 using namespace tinyxml2;

src/anm2/null.cpp

@@ -1,6 +1,6 @@
-#include "null.h"
+#include "null.hpp"
 
-#include "xml_.h"
+#include "xml_.hpp"
 
 using namespace anm2ed::util;
 using namespace tinyxml2;

src/anm2/sound.cpp

@@ -1,8 +1,8 @@
-#include "sound.h"
+#include "sound.hpp"
 
-#include "path_.h"
-#include "working_directory.h"
-#include "xml_.h"
+#include "path_.hpp"
+#include "working_directory.hpp"
+#include "xml_.hpp"
 
 using namespace anm2ed::resource;
 using namespace anm2ed::util;

src/anm2/sound.hpp

@@ -3,7 +3,7 @@
 #include <filesystem>
 #include <tinyxml2/tinyxml2.h>
 
-#include "audio.h"
+#include "audio.hpp"
 
 namespace anm2ed::anm2
 {

src/anm2/spritesheet.cpp

@@ -1,4 +1,4 @@
-#include "spritesheet.h"
+#include "spritesheet.hpp"
 
 #include <algorithm>
 #include <functional>
@@ -6,10 +6,10 @@
 #include <string_view>
 #include <vector>
 
-#include "map_.h"
-#include "path_.h"
-#include "working_directory.h"
-#include "xml_.h"
+#include "map_.hpp"
+#include "path_.hpp"
+#include "working_directory.hpp"
+#include "xml_.hpp"
 
 using namespace anm2ed::resource;
 using namespace anm2ed::util;
@@ -91,9 +91,10 @@ namespace anm2ed::anm2
   Spritesheet::Spritesheet(const std::filesystem::path& directory, const std::filesystem::path& path)
   {
     WorkingDirectory workingDirectory(directory);
+    auto loadPath = !path.empty() ? path::lower_case_backslash_handle(path) : this->path;
     this->path = !path.empty() ? path::make_relative(path) : this->path;
     this->path = path::lower_case_backslash_handle(this->path);
-    texture = Texture(this->path);
+    texture = Texture(!loadPath.empty() ? loadPath : this->path);
   }
 
   XMLElement* Spritesheet::to_element(XMLDocument& document, int id, Flags flags)
@@ -234,9 +235,10 @@ namespace anm2ed::anm2
   void Spritesheet::reload(const std::filesystem::path& directory, const std::filesystem::path& path)
   {
     WorkingDirectory workingDirectory(directory);
+    auto loadPath = !path.empty() ? path::lower_case_backslash_handle(path) : this->path;
     this->path = !path.empty() ? path::make_relative(path) : this->path;
     this->path = path::lower_case_backslash_handle(this->path);
-    texture = Texture(this->path);
+    texture = Texture(!loadPath.empty() ? loadPath : this->path);
   }
   bool Spritesheet::is_valid() { return texture.is_valid(); }
 

src/anm2/spritesheet.hpp

@@ -8,10 +8,10 @@
 #include <cstdint>
 #include <tinyxml2/tinyxml2.h>
 
-#include "texture.h"
-#include "anm2_type.h"
-#include "types.h"
-#include "origin.h"
+#include "texture.hpp"
+#include "anm2_type.hpp"
+#include "types.hpp"
+#include "origin.hpp"
 
 namespace anm2ed::anm2
 {

src/canvas.cpp

@@ -1,4 +1,4 @@
-#include "canvas.h"
+#include "canvas.hpp"
 
 #include <algorithm>
 #include <glm/ext/matrix_clip_space.hpp>
@@ -6,7 +6,7 @@
 #include <glm/gtc/matrix_inverse.hpp>
 #include <glm/gtc/type_ptr.hpp>
 
-#include "math_.h"
+#include "math_.hpp"
 
 using namespace glm;
 using namespace anm2ed::resource;

src/canvas.hpp

@@ -3,10 +3,10 @@
 #include <glad/glad.h>
 #include <glm/glm.hpp>
 
-#include "framebuffer.h"
-#include "shader.h"
+#include "framebuffer.hpp"
+#include "shader.hpp"
 
-#include "types.h"
+#include "types.hpp"
 
 namespace anm2ed
 {

src/clipboard.cpp

@@ -1,4 +1,4 @@
-#include "clipboard.h"
+#include "clipboard.hpp"
 
 #include <SDL3/SDL.h>
 

src/dialog.cpp

@@ -1,19 +1,19 @@
-#include "dialog.h"
+#include "dialog.hpp"
 
 #ifdef _WIN32
   #include <windows.h>
 #elif __unix__
 #else
-  #include "log.h"
-  #include "strings.h"
-  #include "toast.h"
+  #include "log.hpp"
+  #include "strings.hpp"
+  #include "toast.hpp"
 #endif
 
 #include <cstdlib>
 #include <cstring>
 #include <format>
 
-#include "path_.h"
+#include "path_.hpp"
 
 using namespace anm2ed::util;
 

src/document.cpp

@@ -1,13 +1,13 @@
-#include "document.h"
+#include "document.hpp"
 
 #include <utility>
 
 #include <format>
 
-#include "log.h"
-#include "path_.h"
-#include "strings.h"
-#include "toast.h"
+#include "log.hpp"
+#include "path_.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
 
 using namespace anm2ed::anm2;
 using namespace anm2ed::imgui;

src/document.hpp

@@ -4,7 +4,7 @@
 #include <map>
 #include <unordered_map>
 
-#include "snapshots.h"
+#include "snapshots.hpp"
 
 #include <glm/glm.hpp>
 

src/framebuffer.cpp

@@ -1,6 +1,6 @@
-#include "framebuffer.h"
+#include "framebuffer.hpp"
 
-#include "texture.h"
+#include "texture.hpp"
 
 using namespace anm2ed::resource;
 using namespace glm;

src/imgui/dockspace.cpp

@@ -1,4 +1,4 @@
-#include "dockspace.h"
+#include "dockspace.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/dockspace.hpp

@@ -1,21 +1,21 @@
 #pragma once
 
-#include "documents.h"
-#include "taskbar.h"
-#include "window/animation_preview.h"
-#include "window/animations.h"
-#include "window/regions.h"
-#include "window/events.h"
-#include "window/frame_properties.h"
-#include "window/layers.h"
-#include "window/nulls.h"
-#include "window/onionskin.h"
-#include "window/sounds.h"
-#include "window/spritesheet_editor.h"
-#include "window/spritesheets.h"
-#include "window/timeline.h"
-#include "window/tools.h"
-#include "window/welcome.h"
+#include "documents.hpp"
+#include "taskbar.hpp"
+#include "window/animation_preview.hpp"
+#include "window/animations.hpp"
+#include "window/regions.hpp"
+#include "window/events.hpp"
+#include "window/frame_properties.hpp"
+#include "window/layers.hpp"
+#include "window/nulls.hpp"
+#include "window/onionskin.hpp"
+#include "window/sounds.hpp"
+#include "window/spritesheet_editor.hpp"
+#include "window/spritesheets.hpp"
+#include "window/timeline.hpp"
+#include "window/tools.hpp"
+#include "window/welcome.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/documents.cpp

@@ -1,13 +1,13 @@
-#include "documents.h"
+#include "documents.hpp"
 
 #include <format>
 #include <vector>
 
-#include "path_.h"
-#include "strings.h"
-#include "time_.h"
-#include "toast.h"
-#include "log.h"
+#include "path_.hpp"
+#include "strings.hpp"
+#include "time_.hpp"
+#include "toast.hpp"
+#include "log.hpp"
 
 using namespace anm2ed::resource;
 using namespace anm2ed::types;

src/imgui/documents.hpp

@@ -1,10 +1,10 @@
 #pragma once
 
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
-#include "strings.h"
-#include "taskbar.h"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
+#include "strings.hpp"
+#include "taskbar.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/imgui_.cpp

@@ -6,9 +6,9 @@
 #include <sstream>
 #include <unordered_map>
 
-#include "imgui_.h"
-#include "path_.h"
-#include "strings.h"
+#include "imgui_.hpp"
+#include "path_.hpp"
+#include "strings.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::util;

src/imgui/imgui_.hpp

@@ -8,8 +8,8 @@
 #include <unordered_map>
 #include <vector>
 
-#include "strings.h"
-#include "types.h"
+#include "strings.hpp"
+#include "types.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/taskbar.cpp

@@ -1,4 +1,4 @@
-#include "taskbar.h"
+#include "taskbar.hpp"
 
 #include <filesystem>
 #include <format>
@@ -7,12 +7,12 @@
 
 #include <imgui/imgui.h>
 
-#include "document.h"
-#include "log.h"
-#include "path_.h"
-#include "strings.h"
-#include "toast.h"
-#include "types.h"
+#include "document.hpp"
+#include "log.hpp"
+#include "path_.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
+#include "types.hpp"
 
 using namespace anm2ed::resource;
 using namespace anm2ed::types;

src/imgui/taskbar.hpp

@@ -1,18 +1,18 @@
 #pragma once
 
-#include "canvas.h"
-#include "dialog.h"
-#include "imgui_.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
-#include "strings.h"
+#include "canvas.hpp"
+#include "dialog.hpp"
+#include "imgui_.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
+#include "strings.hpp"
 
-#include "wizard/about.h"
-#include "wizard/change_all_frame_properties.h"
-#include "wizard/configure.h"
-#include "wizard/generate_animation_from_grid.h"
-#include "wizard/render_animation.h"
+#include "wizard/about.hpp"
+#include "wizard/change_all_frame_properties.hpp"
+#include "wizard/configure.hpp"
+#include "wizard/generate_animation_from_grid.hpp"
+#include "wizard/render_animation.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/toast.cpp

@@ -1,9 +1,9 @@
-#include "toast.h"
+#include "toast.hpp"
 
-#include "log.h"
+#include "log.hpp"
 #include <imgui/imgui.h>
 
-#include "types.h"
+#include "types.hpp"
 
 using namespace anm2ed::types;
 

src/imgui/window/animation_preview.cpp

@@ -1,23 +1,25 @@
-#include "animation_preview.h"
+#include "animation_preview.hpp"
 
 #include <algorithm>
 #include <chrono>
+#include <cmath>
 #include <filesystem>
 #include <format>
+#include <map>
 #include <optional>
 #include <ranges>
 #include <system_error>
 
 #include <glm/gtc/type_ptr.hpp>
 
-#include "imgui_.h"
-#include "log.h"
-#include "math_.h"
-#include "path_.h"
-#include "strings.h"
-#include "toast.h"
-#include "tool.h"
-#include "types.h"
+#include "imgui_.hpp"
+#include "log.hpp"
+#include "math_.hpp"
+#include "path_.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
+#include "tool.hpp"
+#include "types.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::util;
@@ -103,6 +105,50 @@ namespace anm2ed::imgui
         pixels[index + 2] = (uint8_t)glm::clamp((float)std::round((float)pixels[index + 2] / alphaUnit), 0.0f, 255.0f);
       }
     }
+    bool render_audio_stream_generate(AudioStream& audioStream, std::map<int, anm2::Sound>& sounds,
+                                      const std::vector<int>& frameSoundIDs, int fps)
+    {
+      audioStream.stream.clear();
+      if (frameSoundIDs.empty() || fps <= 0) return true;
+
+      SDL_AudioSpec mixSpec = audioStream.spec;
+      mixSpec.format = SDL_AUDIO_F32;
+      auto* mixer = MIX_CreateMixer(&mixSpec);
+      if (!mixer) return false;
+
+      auto channels = std::max(mixSpec.channels, 1);
+      auto sampleRate = std::max(mixSpec.freq, 1);
+      auto framesPerStep = (double)sampleRate / (double)fps;
+      auto sampleFrameAccumulator = 0.0;
+      auto frameBuffer = std::vector<float>{};
+
+      for (auto soundID : frameSoundIDs)
+      {
+        if (soundID != -1 && sounds.contains(soundID)) sounds.at(soundID).audio.play(false, mixer);
+
+        sampleFrameAccumulator += framesPerStep;
+        auto sampleFramesToGenerate = (int)std::floor(sampleFrameAccumulator);
+        sampleFramesToGenerate = std::max(sampleFramesToGenerate, 1);
+        sampleFrameAccumulator -= (double)sampleFramesToGenerate;
+
+        frameBuffer.resize((std::size_t)sampleFramesToGenerate * (std::size_t)channels);
+        if (!MIX_Generate(mixer, frameBuffer.data(), (int)(frameBuffer.size() * sizeof(float))))
+        {
+          for (auto& [_, sound] : sounds)
+            sound.audio.track_detach(mixer);
+          MIX_DestroyMixer(mixer);
+          audioStream.stream.clear();
+          return false;
+        }
+
+        audioStream.stream.insert(audioStream.stream.end(), frameBuffer.begin(), frameBuffer.end());
+      }
+
+      for (auto& [_, sound] : sounds)
+        sound.audio.track_detach(mixer);
+      MIX_DestroyMixer(mixer);
+      return true;
+    }
   }
 
   AnimationPreview::AnimationPreview() : Canvas(vec2()) {}
@@ -118,6 +164,12 @@ namespace anm2ed::imgui
     auto& overlayIndex = document.overlayIndex;
     auto& pan = document.previewPan;
 
+    auto stop_all_sounds = [&]()
+    {
+      for (auto& sound : anm2.content.sounds | std::views::values)
+        sound.audio.stop(mixer);
+    };
+
     if (manager.isRecording)
     {
       auto& ffmpegPath = settings.renderFFmpegPath;
@@ -127,6 +179,8 @@ namespace anm2ed::imgui
 
       if (playback.time > end || playback.isFinished)
       {
+        if (settings.timelineIsSound) audioStream.capture_end(mixer);
+
         if (type == render::PNGS)
         {
           if (!renderTempFrames.empty())
@@ -206,7 +260,20 @@ namespace anm2ed::imgui
         }
         else
         {
-          if (animation_render(ffmpegPath, path, renderTempFrames, audioStream, (render::Type)type, anm2.info.fps))
+          if (settings.timelineIsSound && type != render::GIF)
+          {
+            if (!render_audio_stream_generate(audioStream, anm2.content.sounds, renderFrameSoundIDs, anm2.info.fps))
+            {
+              toasts.push(localize.get(TOAST_EXPORT_RENDERED_ANIMATION_FAILED));
+              logger.error("Failed to generate deterministic render audio stream; exporting without audio.");
+              audioStream.stream.clear();
+            }
+          }
+          else
+            audioStream.stream.clear();
+
+          if (animation_render(ffmpegPath, path, renderTempFrames, renderTempFrameDurations, audioStream,
+                               (render::Type)type, anm2.info.fps))
           {
             toasts.push(std::vformat(localize.get(TOAST_EXPORT_RENDERED_ANIMATION), std::make_format_args(pathString)));
             logger.info(std::vformat(localize.get(TOAST_EXPORT_RENDERED_ANIMATION, anm2ed::ENGLISH),
@@ -225,9 +292,15 @@ namespace anm2ed::imgui
         {
           renderTempDirectory.clear();
           renderTempFrames.clear();
+          renderTempFrameDurations.clear();
+          renderFrameSoundIDs.clear();
         }
         else
+        {
           render_temp_cleanup(renderTempDirectory, renderTempFrames);
+          renderTempFrameDurations.clear();
+          renderFrameSoundIDs.clear();
+        }
 
         if (settings.renderIsRawAnimation)
         {
@@ -241,8 +314,6 @@ namespace anm2ed::imgui
           isCheckerPanInitialized = false;
         }
 
-        if (settings.timelineIsSound) audioStream.capture_end(mixer);
-
         playback.isPlaying = false;
         playback.isFinished = false;
         manager.isRecording = false;
@@ -250,6 +321,28 @@ namespace anm2ed::imgui
       }
       else
       {
+        if (settings.timelineIsSound && renderTempFrames.empty()) audioStream.capture_begin(mixer);
+        auto frameSoundID = -1;
+        if (settings.timelineIsSound && !anm2.content.sounds.empty())
+        {
+          if (auto animation = document.animation_get();
+              animation && animation->triggers.isVisible && (!settings.timelineIsOnlyShowLayers || manager.isRecording))
+          {
+            if (auto trigger = animation->triggers.frame_generate(playback.time, anm2::TRIGGER); trigger.isVisible)
+            {
+              if (!trigger.soundIDs.empty())
+              {
+                auto soundIndex = trigger.soundIDs.size() > 1
+                                      ? (size_t)math::random_in_range(0.0f, (float)trigger.soundIDs.size())
+                                      : (size_t)0;
+                soundIndex = std::min(soundIndex, trigger.soundIDs.size() - 1);
+                auto soundID = trigger.soundIDs[soundIndex];
+                if (anm2.content.sounds.contains(soundID)) frameSoundID = soundID;
+              }
+            }
+          }
+        }
+        renderFrameSoundIDs.push_back(frameSoundID);
 
         bind();
         auto pixels = pixels_get();
@@ -259,6 +352,24 @@ namespace anm2ed::imgui
         if (Texture::write_pixels_png(framePath, size, pixels.data()))
         {
           renderTempFrames.push_back(framePath);
+          auto nowCounter = SDL_GetPerformanceCounter();
+          auto counterFrequency = SDL_GetPerformanceFrequency();
+          auto fallbackDuration = 1.0 / (double)std::max(anm2.info.fps, 1);
+
+          if (renderTempFrames.size() == 1)
+          {
+            renderCaptureCounterPrev = nowCounter;
+            renderTempFrameDurations.push_back(fallbackDuration);
+          }
+          else
+          {
+            auto elapsedCounter = nowCounter - renderCaptureCounterPrev;
+            auto frameDuration = counterFrequency > 0 ? (double)elapsedCounter / (double)counterFrequency : 0.0;
+            frameDuration = std::max(frameDuration, 1.0 / 1000.0);
+            renderTempFrameDurations.back() = frameDuration;
+            renderTempFrameDurations.push_back(frameDuration);
+            renderCaptureCounterPrev = nowCounter;
+          }
         }
         else
         {
@@ -267,6 +378,8 @@ namespace anm2ed::imgui
           logger.error(std::vformat(localize.get(TOAST_EXPORT_RENDERED_ANIMATION_FAILED, anm2ed::ENGLISH),
                                     std::make_format_args(pathString)));
           if (type != render::PNGS) render_temp_cleanup(renderTempDirectory, renderTempFrames);
+          renderTempFrameDurations.clear();
+          renderFrameSoundIDs.clear();
           playback.isPlaying = false;
           playback.isFinished = false;
           manager.isRecording = false;
@@ -281,18 +394,23 @@ namespace anm2ed::imgui
       auto& isSound = settings.timelineIsSound;
       auto& isOnlyShowLayers = settings.timelineIsOnlyShowLayers;
 
-      if (!anm2.content.sounds.empty() && isSound)
+      if (!manager.isRecording && !anm2.content.sounds.empty() && isSound)
       {
         if (auto animation = document.animation_get();
             animation && animation->triggers.isVisible && (!isOnlyShowLayers || manager.isRecording))
         {
           if (auto trigger = animation->triggers.frame_generate(playback.time, anm2::TRIGGER); trigger.isVisible)
           {
-            auto soundID = trigger.soundIDs.size() > 1
-                               ? (int)trigger.soundIDs[math::random_in_range(0, trigger.soundIDs.size())]
-                               : (int)trigger.soundIDs.front();
+            if (!trigger.soundIDs.empty())
+            {
+              auto soundIndex = trigger.soundIDs.size() > 1
+                                    ? (size_t)math::random_in_range(0.0f, (float)trigger.soundIDs.size())
+                                    : (size_t)0;
+              soundIndex = std::min(soundIndex, trigger.soundIDs.size() - 1);
+              auto soundID = trigger.soundIDs[soundIndex];
 
-            if (anm2.content.sounds.contains(soundID)) anm2.content.sounds[soundID].audio.play(false, mixer);
+              if (anm2.content.sounds.contains(soundID)) anm2.content.sounds[soundID].audio.play(false, mixer);
+            }
           }
         }
       }
@@ -304,6 +422,9 @@ namespace anm2ed::imgui
 
       frameTime = playback.time;
     }
+
+    if (wasPlaybackPlaying && !playback.isPlaying) stop_all_sounds();
+    wasPlaybackPlaying = playback.isPlaying;
   }
 
   void AnimationPreview::update(Manager& manager, Settings& settings, Resources& resources)
@@ -492,8 +613,6 @@ namespace anm2ed::imgui
       {
         savedSettings = settings;
 
-        if (settings.timelineIsSound) audioStream.capture_begin(mixer);
-
         if (settings.renderIsRawAnimation)
         {
           settings.previewBackgroundColor = vec4();
@@ -520,6 +639,9 @@ namespace anm2ed::imgui
         manager.isRecordingStart = false;
         manager.isRecording = true;
         renderTempFrames.clear();
+        renderTempFrameDurations.clear();
+        renderFrameSoundIDs.clear();
+        renderCaptureCounterPrev = 0;
         if (settings.renderType == render::PNGS)
         {
           renderTempDirectory = settings.renderPath;
@@ -1052,9 +1174,13 @@ namespace anm2ed::imgui
         {
           renderTempDirectory.clear();
           renderTempFrames.clear();
+          renderTempFrameDurations.clear();
         }
         else
+        {
           render_temp_cleanup(renderTempDirectory, renderTempFrames);
+          renderTempFrameDurations.clear();
+        }
 
         pan = savedPan;
         zoom = savedZoom;

src/imgui/window/animation_preview.hpp

@@ -2,11 +2,11 @@
 
 #include <filesystem>
 
-#include "audio_stream.h"
-#include "canvas.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
+#include "audio_stream.hpp"
+#include "canvas.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
 
 namespace anm2ed::imgui
 {
@@ -14,6 +14,7 @@ namespace anm2ed::imgui
   {
     MIX_Mixer* mixer = MIX_CreateMixerDevice(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, nullptr);
     AudioStream audioStream = AudioStream(mixer);
+    bool wasPlaybackPlaying{};
     bool isPreviewHovered{};
     bool isSizeTrySet{true};
     Settings savedSettings{};
@@ -30,6 +31,9 @@ namespace anm2ed::imgui
     glm::vec2 moveOffset{};
     std::filesystem::path renderTempDirectory{};
     std::vector<std::filesystem::path> renderTempFrames{};
+    std::vector<double> renderTempFrameDurations{};
+    std::vector<int> renderFrameSoundIDs{};
+    Uint64 renderCaptureCounterPrev{};
 
   public:
     AnimationPreview();

src/imgui/window/animations.cpp

@@ -1,12 +1,12 @@
-#include "animations.h"
+#include "animations.hpp"
 
 #include <format>
 #include <ranges>
 
-#include "log.h"
-#include "strings.h"
-#include "toast.h"
-#include "vector_.h"
+#include "log.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
+#include "vector_.hpp"
 
 using namespace anm2ed::util;
 using namespace anm2ed::resource;

src/imgui/window/animations.hpp

@@ -1,10 +1,10 @@
 #pragma once
 
-#include "clipboard.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
-#include "strings.h"
+#include "clipboard.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
+#include "strings.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/events.cpp

@@ -1,11 +1,11 @@
-#include "events.h"
+#include "events.hpp"
 
 #include <ranges>
 
-#include "log.h"
-#include "map_.h"
-#include "strings.h"
-#include "toast.h"
+#include "log.hpp"
+#include "map_.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
 
 using namespace anm2ed::util;
 using namespace anm2ed::resource;

src/imgui/window/events.hpp

@@ -1,9 +1,9 @@
 #pragma once
 
-#include "clipboard.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
+#include "clipboard.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/frame_properties.cpp

@@ -1,13 +1,13 @@
-#include "frame_properties.h"
+#include "frame_properties.hpp"
 
 #include <glm/gtc/type_ptr.hpp>
 #include <limits>
 #include <ranges>
 #include <vector>
 
-#include "math_.h"
-#include "strings.h"
-#include "types.h"
+#include "math_.hpp"
+#include "strings.hpp"
+#include "types.hpp"
 
 using namespace anm2ed::util::math;
 using namespace anm2ed::types;

src/imgui/window/frame_properties.hpp

@@ -2,8 +2,8 @@
 
 #include <glm/vec2.hpp>
 
-#include "manager.h"
-#include "wizard/change_all_frame_properties.h"
+#include "manager.hpp"
+#include "wizard/change_all_frame_properties.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/layers.cpp

@@ -1,11 +1,11 @@
-#include "layers.h"
+#include "layers.hpp"
 
 #include <ranges>
 
-#include "log.h"
-#include "map_.h"
-#include "strings.h"
-#include "toast.h"
+#include "log.hpp"
+#include "map_.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
 
 using namespace anm2ed::util;
 using namespace anm2ed::resource;

src/imgui/window/layers.hpp

@@ -1,9 +1,9 @@
 #pragma once
 
-#include "clipboard.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
+#include "clipboard.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/nulls.cpp

@@ -1,11 +1,11 @@
-#include "nulls.h"
+#include "nulls.hpp"
 
 #include <ranges>
 
-#include "log.h"
-#include "map_.h"
-#include "strings.h"
-#include "toast.h"
+#include "log.hpp"
+#include "map_.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
 
 using namespace anm2ed::resource;
 using namespace anm2ed::util;

src/imgui/window/nulls.hpp

@@ -1,9 +1,9 @@
 #pragma once
 
-#include "clipboard.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
+#include "clipboard.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/onionskin.cpp

@@ -1,9 +1,9 @@
-#include "onionskin.h"
+#include "onionskin.hpp"
 
 #include <glm/gtc/type_ptr.hpp>
 
-#include "imgui_.h"
-#include "strings.h"
+#include "imgui_.hpp"
+#include "strings.hpp"
 
 using namespace anm2ed::types;
 using namespace glm;

src/imgui/window/onionskin.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "manager.h"
+#include "manager.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/regions.cpp

@@ -1,19 +1,19 @@
-#include "regions.h"
+#include "regions.hpp"
 
 #include <algorithm>
 #include <ranges>
 
 #include <format>
 
-#include "document.h"
-#include "log.h"
-#include "map_.h"
-#include "math_.h"
-#include "strings.h"
-#include "toast.h"
-#include "vector_.h"
+#include "document.hpp"
+#include "log.hpp"
+#include "map_.hpp"
+#include "math_.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
+#include "vector_.hpp"
 
-#include "../../util/map_.h"
+#include "../../util/map_.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::resource;

src/imgui/window/regions.hpp

@@ -1,9 +1,9 @@
 #pragma once
 
-#include "clipboard.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
+#include "clipboard.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/sounds.cpp

@@ -1,13 +1,13 @@
-#include "sounds.h"
+#include "sounds.hpp"
 
 #include <algorithm>
 #include <ranges>
 #include <vector>
 
-#include "log.h"
-#include "path_.h"
-#include "strings.h"
-#include "toast.h"
+#include "log.hpp"
+#include "path_.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
 
 using namespace anm2ed::util;
 using namespace anm2ed::types;

src/imgui/window/sounds.hpp

@@ -1,10 +1,10 @@
 #pragma once
 
-#include "clipboard.h"
-#include "dialog.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
+#include "clipboard.hpp"
+#include "dialog.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/spritesheet_editor.cpp

@@ -1,15 +1,15 @@
-#include "spritesheet_editor.h"
+#include "spritesheet_editor.hpp"
 
 #include <cmath>
 #include <format>
 #include <utility>
 
-#include "imgui_.h"
+#include "imgui_.hpp"
 #include "imgui_internal.h"
-#include "math_.h"
-#include "strings.h"
-#include "tool.h"
-#include "types.h"
+#include "math_.hpp"
+#include "strings.hpp"
+#include "tool.hpp"
+#include "types.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::resource;

src/imgui/window/spritesheet_editor.hpp

@@ -1,9 +1,9 @@
 #pragma once
 
-#include "canvas.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
+#include "canvas.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/spritesheets.cpp

@@ -1,4 +1,4 @@
-#include "spritesheets.h"
+#include "spritesheets.hpp"
 
 #include <algorithm>
 #include <ranges>
@@ -8,12 +8,12 @@
 #include <format>
 #include <functional>
 
-#include "document.h"
-#include "log.h"
-#include "path_.h"
-#include "strings.h"
-#include "toast.h"
-#include "working_directory.h"
+#include "document.hpp"
+#include "log.hpp"
+#include "path_.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
+#include "working_directory.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::resource;

src/imgui/window/spritesheets.hpp

@@ -1,10 +1,10 @@
 #pragma once
 
-#include "clipboard.h"
-#include "dialog.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
+#include "clipboard.hpp"
+#include "dialog.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/timeline.cpp

@@ -1,4 +1,4 @@
-#include "timeline.h"
+#include "timeline.hpp"
 
 #include <algorithm>
 #include <cmath>
@@ -6,10 +6,10 @@
 
 #include <imgui_internal.h>
 
-#include "log.h"
-#include "toast.h"
+#include "log.hpp"
+#include "toast.hpp"
 
-#include "vector_.h"
+#include "vector_.hpp"
 
 using namespace anm2ed::resource;
 using namespace anm2ed::types;
@@ -83,7 +83,6 @@ namespace anm2ed::imgui
   constexpr auto FRAME_DRAG_PAYLOAD_ID = "Frame Drag Drop";
   constexpr auto FRAME_TOOLTIP_HOVER_DELAY = 0.75f; // Extra delay for frame info tooltip.
 
-#define ITEM_FRAME_CHILD_HEIGHT ImGui::GetTextLineHeightWithSpacing() + (ImGui::GetStyle().WindowPadding.y * 1.5)
 #define ITEM_CHILD_WIDTH ImGui::GetTextLineHeightWithSpacing() * 12.5
 
   void Timeline::update(Manager& manager, Settings& settings, Resources& resources, Clipboard& clipboard)
@@ -95,6 +94,8 @@ namespace anm2ed::imgui
     auto& frames = document.frames;
     auto& region = document.region;
     auto animation = document.animation_get();
+    auto itemFrameChildHeight = (ImGui::GetTextLineHeightWithSpacing() + ImGui::GetStyle().WindowPadding.y * 1.5f) *
+                                settings.timelineItemHeight;
 
     style = ImGui::GetStyle();
     auto isLightTheme = settings.theme == theme::LIGHT;
@@ -172,6 +173,13 @@ namespace anm2ed::imgui
       frameFocusRequested = reference.frameIndex >= 0;
     };
 
+    auto playback_stop = [&]()
+    {
+      playback.isPlaying = false;
+      playback.isFinished = false;
+      playback.timing_reset();
+    };
+
     auto frame_insert = [&](anm2::Item* item)
     {
       if (!item) return;
@@ -597,7 +605,7 @@ namespace anm2ed::imgui
       ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, style.ItemSpacing);
       ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, style.WindowPadding);
 
-      auto itemSize = ImVec2(ImGui::GetContentRegionAvail().x, ITEM_FRAME_CHILD_HEIGHT);
+      auto itemSize = ImVec2(ImGui::GetContentRegionAvail().x, itemFrameChildHeight);
 
       if (ImGui::BeginChild(label.c_str(), itemSize, ImGuiChildFlags_Borders, ImGuiWindowFlags_NoScrollWithMouse))
       {
@@ -961,7 +969,7 @@ namespace anm2ed::imgui
       ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, style.ItemSpacing);
       ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, style.WindowPadding);
 
-      auto childSize = ImVec2(width, ITEM_FRAME_CHILD_HEIGHT);
+      auto childSize = ImVec2(width, itemFrameChildHeight);
 
       ImGui::PopStyleVar(2);
 
@@ -1046,7 +1054,10 @@ namespace anm2ed::imgui
           }
 
           if (ImGui::IsWindowHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem) && ImGui::IsMouseDown(0))
+          {
+            if (!isDragging) playback_stop();
             isDragging = true;
+          }
 
           auto childPos = ImGui::GetWindowPos();
           auto mousePos = ImGui::GetIO().MousePos;
@@ -1497,12 +1508,11 @@ namespace anm2ed::imgui
                                   ImGui::GetTextLineHeightWithSpacing() + (ImGui::GetStyle().WindowPadding.y * 2));
           auto playheadIndex = std::floor(playback.time);
           auto lineCenterX = cursorScreenPos.x + frameSize.x * (playheadIndex + 0.6f) - scroll.x;
-          float lineOffsetY = frameSize.y;
           auto linePos =
-              ImVec2(lineCenterX - (PLAYHEAD_LINE_THICKNESS * 0.5f), cursorScreenPos.y + frameSize.y + lineOffsetY);
+              ImVec2(lineCenterX - (PLAYHEAD_LINE_THICKNESS * 0.5f), cursorScreenPos.y + (frameSize.y * 2.0f));
           auto lineSize = ImVec2((PLAYHEAD_LINE_THICKNESS / 2.0f),
-                                 viewListChildSize.y - frameSize.y - lineOffsetY -
-                                     (isHorizontalScroll ? ImGui::GetStyle().ScrollbarSize : 0.0f));
+                                 viewListChildSize.y - frameSize.y -
+                                     (isHorizontalScroll ? ImGui::GetStyle().ScrollbarSize * 2.0f : 0.0f));
 
           auto rectMin = windowDrawList->GetClipRectMin();
           auto rectMax = windowDrawList->GetClipRectMax();
@@ -1623,7 +1633,8 @@ namespace anm2ed::imgui
     ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2());
     if (ImGui::Begin(localize.get(LABEL_TIMELINE_WINDOW), &settings.windowIsTimeline))
     {
-      isWindowHovered = ImGui::IsWindowHovered(ImGuiHoveredFlags_RootAndChildWindows);
+      isWindowHovered = ImGui::IsWindowHovered(ImGuiHoveredFlags_RootAndChildWindows |
+                                               ImGuiHoveredFlags_AllowWhenBlockedByActiveItem);
       frames_child();
       items_child();
     }
@@ -1853,12 +1864,14 @@ namespace anm2ed::imgui
 
       if (shortcut(manager.chords[SHORTCUT_MOVE_PLAYHEAD_BACK], shortcut::GLOBAL))
       {
+        playback_stop();
         playback.decrement(settings.playbackIsClamp ? animation->frameNum : anm2::FRAME_NUM_MAX);
         document.frameTime = playback.time;
       }
 
       if (shortcut(manager.chords[SHORTCUT_MOVE_PLAYHEAD_FORWARD], shortcut::GLOBAL))
       {
+        playback_stop();
         playback.increment(settings.playbackIsClamp ? animation->frameNum : anm2::FRAME_NUM_MAX);
         document.frameTime = playback.time;
       }

src/imgui/window/timeline.hpp

@@ -2,11 +2,11 @@
 
 #include <vector>
 
-#include "clipboard.h"
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
-#include "strings.h"
+#include "clipboard.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
+#include "strings.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/tools.cpp

@@ -1,11 +1,11 @@
 
-#include "tools.h"
+#include "tools.hpp"
 
 #include <glm/gtc/type_ptr.hpp>
 
-#include "strings.h"
-#include "tool.h"
-#include "types.h"
+#include "strings.hpp"
+#include "tool.hpp"
+#include "types.hpp"
 
 using namespace anm2ed::resource;
 using namespace anm2ed::types;

src/imgui/window/tools.hpp

@@ -1,9 +1,9 @@
 #pragma once
 
-#include "manager.h"
-#include "resources.h"
-#include "settings.h"
-#include "strings.h"
+#include "manager.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
+#include "strings.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/window/welcome.cpp

@@ -1,9 +1,9 @@
-#include "welcome.h"
+#include "welcome.hpp"
 
 #include <ranges>
 
-#include "path_.h"
-#include "strings.h"
+#include "path_.hpp"
+#include "strings.hpp"
 
 using namespace anm2ed::util;
 using namespace anm2ed::resource;

src/imgui/window/welcome.hpp

@@ -1,9 +1,9 @@
 #pragma once
 
-#include "documents.h"
-#include "manager.h"
-#include "strings.h"
-#include "taskbar.h"
+#include "documents.hpp"
+#include "manager.hpp"
+#include "strings.hpp"
+#include "taskbar.hpp"
 
 namespace anm2ed::imgui
 {

src/imgui/wizard/about.cpp

@@ -1,10 +1,10 @@
-#include "about.h"
+#include "about.hpp"
 
 #include <cmath>
 #include <imgui.h>
 #include <vector>
 
-#include "strings.h"
+#include "strings.hpp"
 
 using namespace anm2ed::resource;
 

src/imgui/wizard/about.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "../../resources.h"
+#include "../../resources.hpp"
 
 namespace anm2ed::imgui::wizard
 {

src/imgui/wizard/change_all_frame_properties.cpp

@@ -1,9 +1,9 @@
-#include "change_all_frame_properties.h"
+#include "change_all_frame_properties.hpp"
 
 #include <string>
 #include <vector>
 
-#include "math_.h"
+#include "math_.hpp"
 
 using namespace anm2ed::util::math;
 using namespace glm;

src/imgui/wizard/change_all_frame_properties.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
-#include "document.h"
-#include "settings.h"
+#include "document.hpp"
+#include "settings.hpp"
 
 namespace anm2ed::imgui::wizard
 {

src/imgui/wizard/configure.cpp

@@ -1,6 +1,6 @@
-#include "configure.h"
+#include "configure.hpp"
 
-#include "imgui_.h"
+#include "imgui_.hpp"
 
 using namespace anm2ed::types;
 
@@ -23,6 +23,9 @@ namespace anm2ed::imgui::wizard
           ImGui::SeparatorText(localize.get(LABEL_WINDOW_MENU));
           input_float_range(localize.get(LABEL_UI_SCALE), temporary.uiScale, 0.5f, 2.0f, 0.25f, 0.25f, "%.2f");
           ImGui::SetItemTooltip("%s", localize.get(TOOLTIP_UI_SCALE));
+          input_float_range(localize.get(LABEL_ITEM_HEIGHT), temporary.timelineItemHeight, 0.75f, 1.25f, 0.05f, 0.05f,
+                            "%.2f");
+          ImGui::SetItemTooltip("%s", localize.get(TOOLTIP_ITEM_HEIGHT));
           ImGui::Checkbox(localize.get(LABEL_VSYNC), &temporary.isVsync);
           ImGui::SetItemTooltip("%s", localize.get(TOOLTIP_VSYNC));
 
@@ -205,4 +208,4 @@ namespace anm2ed::imgui::wizard
     if (ImGui::Button(localize.get(LABEL_CLOSE), widgetSize)) isSet = true;
     ImGui::SetItemTooltip("%s", localize.get(TOOLTIP_CLOSE_SETTINGS));
   }
-}
+}

src/imgui/wizard/configure.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "manager.h"
+#include "manager.hpp"
 
 namespace anm2ed::imgui::wizard
 {

src/imgui/wizard/generate_animation_from_grid.cpp

@@ -1,7 +1,7 @@
-#include "generate_animation_from_grid.h"
+#include "generate_animation_from_grid.hpp"
 
-#include "math_.h"
-#include "types.h"
+#include "math_.hpp"
+#include "types.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::util;

src/imgui/wizard/generate_animation_from_grid.hpp

@@ -1,9 +1,9 @@
 #pragma once
 
-#include "canvas.h"
-#include "document.h"
-#include "resources.h"
-#include "settings.h"
+#include "canvas.hpp"
+#include "document.hpp"
+#include "resources.hpp"
+#include "settings.hpp"
 
 namespace anm2ed::imgui::wizard
 {

src/imgui/wizard/render_animation.cpp

@@ -1,13 +1,13 @@
-#include "render_animation.h"
+#include "render_animation.hpp"
 
 #include <ranges>
 #include <string>
 
-#include "imgui_.h"
-#include "log.h"
-#include "path_.h"
-#include "process_.h"
-#include "toast.h"
+#include "imgui_.hpp"
+#include "log.hpp"
+#include "path_.hpp"
+#include "process_.hpp"
+#include "toast.hpp"
 
 using namespace anm2ed::resource;
 using namespace anm2ed::util;

src/imgui/wizard/render_animation.hpp

@@ -1,8 +1,8 @@
 #pragma once
 
-#include "dialog.h"
-#include "manager.h"
-#include "resources.h"
+#include "dialog.hpp"
+#include "manager.hpp"
+#include "resources.hpp"
 
 namespace anm2ed::imgui::wizard
 {

src/loader.cpp

@@ -1,4 +1,4 @@
-#include "loader.h"
+#include "loader.hpp"
 
 #include <cerrno>
 #include <cstdint>
@@ -9,18 +9,18 @@
 
 #include <SDL3_mixer/SDL_mixer.h>
 
-#include "log.h"
-#include "sdl.h"
+#include "log.hpp"
+#include "sdl.hpp"
 
-#include "imgui_.h"
+#include "imgui_.hpp"
 
-#include "snapshots.h"
-#include "socket.h"
+#include "snapshots.hpp"
+#include "socket.hpp"
 
-#include "util/math_.h"
+#include "util/math_.hpp"
 
 #ifdef _WIN32
-  #include "util/path_.h"
+  #include "util/path_.hpp"
   #include <DbgHelp.h>
   #include <format>
   #include <windows.h>

src/loader.hpp

@@ -7,8 +7,8 @@
 
 #include <SDL3/SDL.h>
 
-#include "settings.h"
-#include "socket.h"
+#include "settings.hpp"
+#include "socket.hpp"
 
 namespace anm2ed
 {

src/log.cpp

@@ -1,9 +1,18 @@
-#include "log.h"
+#include "log.hpp"
 
+#include <array>
 #include <print>
 
-#include "sdl.h"
-#include "time_.h"
+#include "path_.hpp"
+#include "sdl.hpp"
+#include "time_.hpp"
+
+#if _WIN32
+  #include <fcntl.h>
+  #include <io.h>
+#else
+  #include <unistd.h>
+#endif
 
 using namespace anm2ed::util;
 
@@ -11,6 +20,7 @@ namespace anm2ed
 {
   void Logger::write_raw(const std::string& message)
   {
+    std::lock_guard lock(mutex);
     std::println("{}", message);
     if (file.is_open()) file << message << '\n' << std::flush;
   }
@@ -26,7 +36,105 @@ namespace anm2ed
   void Logger::error(const std::string& message) { write(ERROR, message); }
   void Logger::fatal(const std::string& message) { write(FATAL, message); }
   void Logger::command(const std::string& message) { write(COMMAND, message); }
-  void Logger::open(const std::filesystem::path& path) { file.open(path, std::ios::out | std::ios::app); }
+
+  void Logger::stderr_pump()
+  {
+    std::string pending{};
+    std::array<char, 512> buffer{};
+    while (isStderrRedirecting)
+    {
+      int readBytes{};
+#if _WIN32
+      readBytes = _read(stderrPipeReadFd, buffer.data(), (unsigned int)buffer.size());
+#else
+      readBytes = (int)read(stderrPipeReadFd, buffer.data(), buffer.size());
+#endif
+      if (readBytes <= 0) break;
+
+      pending.append(buffer.data(), (std::size_t)readBytes);
+
+      std::size_t lineEnd{};
+      while ((lineEnd = pending.find('\n')) != std::string::npos)
+      {
+        auto line = pending.substr(0, lineEnd);
+        if (!line.empty() && line.back() == '\r') line.pop_back();
+        if (!line.empty()) write_raw(line);
+        pending.erase(0, lineEnd + 1);
+      }
+    }
+
+    if (!pending.empty()) write_raw(pending);
+  }
+
+  void Logger::stderr_redirect_start()
+  {
+    if (isStderrRedirecting) return;
+
+    int pipeFds[2]{-1, -1};
+#if _WIN32
+    if (_pipe(pipeFds, 4096, _O_BINARY) != 0) return;
+    stderrOriginalFd = _dup(_fileno(stderr));
+    if (stderrOriginalFd < 0 || _dup2(pipeFds[1], _fileno(stderr)) != 0)
+    {
+      _close(pipeFds[0]);
+      _close(pipeFds[1]);
+      return;
+    }
+    _close(pipeFds[1]);
+#else
+    if (pipe(pipeFds) != 0) return;
+    stderrOriginalFd = dup(fileno(stderr));
+    if (stderrOriginalFd < 0 || dup2(pipeFds[1], fileno(stderr)) < 0)
+    {
+      close(pipeFds[0]);
+      close(pipeFds[1]);
+      return;
+    }
+    close(pipeFds[1]);
+#endif
+
+    std::setvbuf(stderr, nullptr, _IONBF, 0);
+
+    stderrPipeReadFd = pipeFds[0];
+    isStderrRedirecting = true;
+    stderrThread = std::thread([this]() { stderr_pump(); });
+  }
+
+  void Logger::stderr_redirect_stop()
+  {
+    if (!isStderrRedirecting) return;
+    isStderrRedirecting = false;
+
+    if (stderrOriginalFd >= 0)
+    {
+#if _WIN32
+      _dup2(stderrOriginalFd, _fileno(stderr));
+      _close(stderrOriginalFd);
+#else
+      dup2(stderrOriginalFd, fileno(stderr));
+      close(stderrOriginalFd);
+#endif
+      stderrOriginalFd = -1;
+    }
+
+    if (stderrPipeReadFd >= 0)
+    {
+#if _WIN32
+      _close(stderrPipeReadFd);
+#else
+      close(stderrPipeReadFd);
+#endif
+      stderrPipeReadFd = -1;
+    }
+
+    if (stderrThread.joinable()) stderrThread.join();
+  }
+
+  void Logger::open(const std::filesystem::path& path)
+  {
+    file.open(path, std::ios::out | std::ios::app);
+    stderr_redirect_start();
+  }
 
   std::filesystem::path Logger::path() { return sdl::preferences_directory_get() / "log.txt"; }
 
@@ -39,6 +147,7 @@ namespace anm2ed
   Logger::~Logger()
   {
     info("Exiting Anm2Ed");
+    stderr_redirect_stop();
     if (file.is_open()) file.close();
   }
 }

src/log.hpp

@@ -4,6 +4,8 @@
 #include <fstream>
 #include <string>
 #include <string_view>
+#include <mutex>
+#include <thread>
 
 namespace anm2ed
 {
@@ -44,6 +46,16 @@ namespace anm2ed
   class Logger
   {
     std::ofstream file{};
+    std::mutex mutex{};
+    std::thread stderrThread{};
+    bool isStderrRedirecting{};
+    int stderrPipeReadFd{-1};
+    int stderrPipeWriteFd{-1};
+    int stderrOriginalFd{-1};
+
+    void stderr_redirect_start();
+    void stderr_redirect_stop();
+    void stderr_pump();
 
   public:
     static std::filesystem::path path();

src/main.cpp

@@ -1,5 +1,5 @@
-#include "loader.h"
-#include "state.h"
+#include "loader.hpp"
+#include "state.hpp"
 
 #ifdef _WIN32
   #define SDL_MAIN_HANDLED

src/manager.cpp

@@ -1,16 +1,16 @@
-#include "manager.h"
+#include "manager.hpp"
 
 #include <algorithm>
 #include <unordered_set>
 
 #include <format>
 
-#include "log.h"
-#include "path_.h"
-#include "sdl.h"
-#include "strings.h"
-#include "toast.h"
-#include "vector_.h"
+#include "log.hpp"
+#include "path_.hpp"
+#include "sdl.hpp"
+#include "strings.hpp"
+#include "toast.hpp"
+#include "vector_.hpp"
 
 using namespace anm2ed::types;
 using namespace anm2ed::util;