Port Dynamic Tilemap Layers 2D demo to C# Godot mono 4.2

mono/dynamic_tilemap_layers/Dynamic TileMap Layers.csproj

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+<Project Sdk="Godot.NET.Sdk/4.2.0">
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework Condition=" '$(GodotTargetPlatform)' == 'android' ">net7.0</TargetFramework>
+    <TargetFramework Condition=" '$(GodotTargetPlatform)' == 'ios' ">net8.0</TargetFramework>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+    <RootNamespace>DynamicTileMapLayers</RootNamespace>
+  </PropertyGroup>
+</Project>

mono/dynamic_tilemap_layers/Dynamic TileMap Layers.sln

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+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dynamic TileMap Layers", "Dynamic TileMap Layers.csproj", "{CBDF7372-1B42-4099-8207-2705FC7B78A6}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+	Debug|Any CPU = Debug|Any CPU
+	ExportDebug|Any CPU = ExportDebug|Any CPU
+	ExportRelease|Any CPU = ExportRelease|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{CBDF7372-1B42-4099-8207-2705FC7B78A6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CBDF7372-1B42-4099-8207-2705FC7B78A6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CBDF7372-1B42-4099-8207-2705FC7B78A6}.ExportDebug|Any CPU.ActiveCfg = ExportDebug|Any CPU
+		{CBDF7372-1B42-4099-8207-2705FC7B78A6}.ExportDebug|Any CPU.Build.0 = ExportDebug|Any CPU
+		{CBDF7372-1B42-4099-8207-2705FC7B78A6}.ExportRelease|Any CPU.ActiveCfg = ExportRelease|Any CPU
+		{CBDF7372-1B42-4099-8207-2705FC7B78A6}.ExportRelease|Any CPU.Build.0 = ExportRelease|Any CPU
+	EndGlobalSection
+EndGlobal

mono/dynamic_tilemap_layers/README.md

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+# Dynamic TileMap Layers
+
+Example of how to make a fake wall using TileMap's
+`_tile_data_runtime_update()` method. It shows how
+to disable collisions per layer.
+
+Language: C#
+
+Renderer: OpenGL
+
+## Screenshots
+
+![Screenshot](screenshots/fake_wall.png)

mono/dynamic_tilemap_layers/icon.png.import

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+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

mono/dynamic_tilemap_layers/level/TileMap.cs

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+using Godot;
+
+public partial class TileMap : Godot.TileMap
+{
+    // You can have multiple layers if you make _secretLayer an array.
+    private int _secretLayer;
+    private bool _playerInSecret;
+    private double _layerAlpha = 1.0;
+
+    public TileMap()
+    {
+        // Find the secret layer by name.
+        for (int i = 0; i < GetLayersCount(); i++)
+        {
+            if (GetLayerName(i) == "Secret")
+            {
+                _secretLayer = i;
+            }
+        }
+    }
+
+    public override void _Ready()
+    {
+        SetProcess(false);
+    }
+
+    public override void _Process(double delta)
+    {
+        if (_playerInSecret)
+        {
+            if (_layerAlpha > 0.3)
+            {
+                // Animate the layer transparency.
+                _layerAlpha = Mathf.MoveToward(_layerAlpha, 0.3, delta);
+                SetLayerModulate(_secretLayer, new Color(1, 1, 1, (float)_layerAlpha));
+            }
+            else
+            {
+                SetProcess(false);
+            }
+        }
+        else
+        {
+            if (_layerAlpha < 1.0)
+            {
+                _layerAlpha = Mathf.MoveToward(_layerAlpha, 1.0, delta);
+                SetLayerModulate(_secretLayer, new Color(1, 1, 1, (float)_layerAlpha));
+            }
+            else
+            {
+                SetProcess(false);
+            }
+        }
+    }
+
+    public override bool _UseTileDataRuntimeUpdate(int layer, Vector2I coords)
+    {
+        if (layer == _secretLayer)
+        {
+            return true;
+        }
+
+        return false;
+    }
+
+    public override void _TileDataRuntimeUpdate(int layer, Vector2I coords, TileData tileData)
+    {
+        // Remove collision for secret layer.
+        tileData.SetCollisionPolygonsCount(0, 0);
+    }
+
+    private void OnSecretDetectorBodyEntered(Node2D body)
+    {
+        // Detect player only.
+        if (body is not CharacterBody2D)
+        {
+            return;
+        }
+
+        _playerInSecret = true;
+        SetProcess(true);
+    }
+
+    public void OnSecretDetectorBodyExited(Node2D body)
+    {
+        if (body is not CharacterBody2D)
+        {
+            return;
+        }
+
+        _playerInSecret = false;
+        SetProcess(true);
+    }
+}

mono/dynamic_tilemap_layers/level/obstacle.png.import

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+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
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+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

mono/dynamic_tilemap_layers/player/Player.cs

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+using Godot;
+
+public partial class Player : CharacterBody2D
+{
+    private const float WalkForce = 600;
+    private const float WalkMaxSpeed = 200;
+    private const float StopForce = 1300;
+    private const float JumpSpeed = 200;
+    private int _gravity;
+
+    public override void _Ready()
+    {
+        _gravity = (int)ProjectSettings.GetSetting("physics/2d/default_gravity");
+    }
+
+    public override void _PhysicsProcess(double delta)
+    {
+        Vector2 velocity = Velocity;
+
+        // Horizontal movement code. First, get the player's input.
+        float walk = WalkForce * Input.GetAxis("move_left", "move_right");
+
+        // Slow down the player if they're not trying to move.
+        if (Mathf.Abs(walk) < WalkForce * 0.2)
+        {
+            // The velocity, slowed down a bit, and then reassigned.
+            velocity.X = (float)Mathf.MoveToward(velocity.X, 0, StopForce * delta);
+        }
+        else
+        {
+            velocity.X += (float)(walk * delta);
+        }
+
+        // Clamp to the maximum horizontal movement speed.
+        velocity.X = Mathf.Clamp(velocity.X, -WalkMaxSpeed, WalkMaxSpeed);
+
+        // Vertical movement code. Apply gravity.
+        velocity.Y += (float)(_gravity * delta);
+
+        // Check for jumping. is_on_floor() must be called after movement code.
+        if (IsOnFloor() && Input.IsActionJustPressed("jump"))
+        {
+            velocity.Y = -JumpSpeed;
+        }
+
+        // Move based on the velocity and snap to the ground.
+        // TODO: This information should be set to the CharacterBody properties instead of arguments: snap, Vector2.DOWN, Vector2.UP
+        // TODO: Rename velocity to linear_velocity in the rest of the script.
+        Velocity = velocity;
+        MoveAndSlide();
+    }
+}

mono/dynamic_tilemap_layers/player/player.png.import

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+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

mono/dynamic_tilemap_layers/player/player.tscn

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+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://player/player.gd" type="Script" id=1]
+[ext_resource path="res://player/player.png" type="Texture2D" id=2]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2(7, 7)
+
+[node name="Player" type="CharacterBody2D"]
+script = ExtResource( 1 )
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource( 2 )
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+position = Vector2(-0.315559, 0.157784)
+shape = SubResource( 1 )

mono/dynamic_tilemap_layers/project.godot

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+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="Dynamic TileMap Layers with C#"
+config/description="Example of how to make a kinematic character controller in 2D using
+CharacterBody2D. The character moves around, is affected by moving
+platforms, can jump through one-way collision platforms, etc."
+run/main_scene="res://world.tscn"
+config/features=PackedStringArray("4.2", "C#")
+config/icon="res://icon.png"
+config/tags=PackedStringArray("2d", "demo")
+
+[display]
+
+window/size/viewport_width=530
+window/size/viewport_height=495
+window/stretch/mode="canvas_items"
+window/stretch/aspect="expand"
+
+[dotnet]
+
+project/assembly_name="Dynamic TileMap Layers"
+
+[input]
+
+jump={
+"deadzone": 0.5,
+"events": [Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":0,"pressure":0.0,"pressed":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":12,"pressure":0.0,"pressed":false,"script":null)
+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":1,"axis_value":-1.0,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":32,"physical_keycode":0,"key_label":0,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":87,"key_label":0,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194320,"key_label":0,"unicode":0,"echo":false,"script":null)
+]
+}
+move_left={
+"deadzone": 0.5,
+"events": [Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":14,"pressure":0.0,"pressed":false,"script":null)
+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":0,"axis_value":-1.0,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":65,"key_label":0,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194319,"key_label":0,"unicode":0,"echo":false,"script":null)
+]
+}
+move_right={
+"deadzone": 0.5,
+"events": [Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":15,"pressure":0.0,"pressed":false,"script":null)
+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":0,"axis_value":1.0,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":68,"key_label":0,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194321,"key_label":0,"unicode":0,"echo":false,"script":null)
+]
+}
+
+[physics]
+
+common/physics_ticks_per_second=120
+2d/default_gravity=500
+
+[rendering]
+
+renderer/rendering_method="gl_compatibility"
+environment/defaults/default_clear_color=Color(0.156863, 0.133333, 0.25098, 1)
+anti_aliasing/quality/msaa_2d=2