ktyl
/
half-earth
1
0
Fork 0
Code Issues 5 Pull Requests 1 Packages Projects 1 Releases Wiki Activity

add cycleable heat overlay #6

This commit is contained in:
Cat Flynn 2022-12-10 17:24:14 +00:00 committed by ktyl
parent cf03021c2a
commit 95e201888a
10 changed files with 162 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
half-earth/nodes/game.tscn
View File

@ -1,4 +1,4 @@
[gd_scene load_steps=11 format=2]
[gd_scene load_steps=12 format=2]
[ext_resource path="res://nodes/grid.tscn" type="PackedScene" id=1]
[ext_resource path="res://nodes/grid_cursor.tscn" type="PackedScene" id=2]
@ -9,6 +9,7 @@
[ext_resource path="res://nodes/interaction_modes/build_mode.tscn" type="PackedScene" id=7]
[ext_resource path="res://resources/tiles/tiles.tres" type="Resource" id=8]
[ext_resource path="res://nodes/ui/mode_selection_ui.tscn" type="PackedScene" id=9]
[ext_resource path="res://nodes/overlays.tscn" type="PackedScene" id=10]
[sub_resource type="Curve" id=1]
_data = [ Vector2( 0, 0 ), 0.0, 5.0, 0, 0, Vector2( 0.5, 1 ), 0.0, 0.0, 0, 0, Vector2( 1, 0 ), -4.0, 0.0, 0, 0 ]
@ -18,21 +19,24 @@ _data = [ Vector2( 0, 0 ), 0.0, 5.0, 0, 0, Vector2( 0.5, 1 ), 0.0, 0.0, 0, 0, Ve
[node name="Clock" parent="." instance=ExtResource( 4 )]
_autoTick = true
[node name="Grid" parent="." instance=ExtResource( 1 )]
[node name="World Grid" parent="." instance=ExtResource( 1 )]
DiffusionCoefficient = 0.1
_tileGridResource = ExtResource( 8 )
[node name="Cursor" parent="." instance=ExtResource( 2 )]
Grid = NodePath("../Grid")
Grid = NodePath("../World Grid")
_pulseShape = SubResource( 1 )
[node name="Interaction Modes" parent="." instance=ExtResource( 5 )]
_buildModePath = NodePath("Build Mode")
[node name="Build Mode" parent="Interaction Modes" instance=ExtResource( 7 )]
_gridPath = NodePath("../../Grid")
_gridPath = NodePath("../../World Grid")
_cursorPath = NodePath("../../Cursor")
[node name="Overlays" parent="." instance=ExtResource( 10 )]
_worldGridPath = NodePath("../World Grid")
[node name="UI" type="Control" parent="."]
anchor_right = 1.0
anchor_bottom = 1.0
@ -46,7 +50,7 @@ _buildModePath = NodePath("../../Interaction Modes/Build Mode")
[node name="Mode Selection" parent="UI" instance=ExtResource( 9 )]
[connection signal="OnPauseChanged" from="Clock" to="UI/Debug" method="_on_Clock_OnPauseChanged"]
[connection signal="OnTick" from="Clock" to="Grid" method="_on_Clock_OnTick"]
[connection signal="OnTick" from="Clock" to="World Grid" method="_on_Clock_OnTick"]
[connection signal="OnTick" from="Clock" to="UI/Debug" method="_on_Clock_OnTick"]
[connection signal="OnInteractionModeChanged" from="Interaction Modes" to="Cursor" method="_on_Interaction_Mode_OnInteractionModeChanged"]
[connection signal="OnInteractionModeChanged" from="Interaction Modes" to="UI/Debug" method="_on_Interaction_Mode_OnInteractionModeChanged"]

12
half-earth/nodes/overlays.tscn Normal file
View File

@ -0,0 +1,12 @@
[gd_scene load_steps=5 format=2]
[ext_resource path="res://scripts/overlays/Overlays.cs" type="Script" id=1]
[ext_resource path="res://resources/overlays/heat_overlay.tres" type="Resource" id=2]
[ext_resource path="res://resources/overlays/no_overlay.tres" type="Resource" id=3]
[ext_resource path="res://resources/tiles/tiles.tres" type="Resource" id=4]
[node name="Overlays" type="Node"]
script = ExtResource( 1 )
_cycleOverlayKey = 16777218
_overlayResources = [ ExtResource( 3 ), ExtResource( 2 ) ]
_tileGridResource = ExtResource( 4 )

8
half-earth/resources/overlays/heat_overlay.tres Normal file
View File

@ -0,0 +1,8 @@
[gd_resource type="Resource" load_steps=2 format=2]
[ext_resource path="res://scripts/overlays/HeatOverlay.cs" type="Script" id=1]
[resource]
script = ExtResource( 1 )
_coldColor = Color( 0, 0, 0, 1 )
_hotColor = Color( 1, 0.654902, 0, 1 )

6
half-earth/resources/overlays/no_overlay.tres Normal file
View File

@ -0,0 +1,6 @@
[gd_resource type="Resource" load_steps=2 format=2]
[ext_resource path="res://scripts/overlays/NoOverlay.cs" type="Script" id=1]
[resource]
script = ExtResource( 1 )

2
half-earth/resources/tiles/tile_types/developed.tres
View File

@ -8,4 +8,4 @@ Name = "Developed"
BuildLabel = "[D]eveloped"
Key = 68
Color = Color( 0.372549, 0.372549, 0.372549, 1 )
HeatGeneration = 0.5
HeatGeneration = 0.1

21
half-earth/scripts/WorldGrid.cs
View File

@ -18,7 +18,7 @@ public class WorldGrid : Node2D
private float[] _nextValues = null;
private struct TileView
public struct TileView
{
public ShaderMaterial material;
}
@ -32,21 +32,6 @@ public class WorldGrid : Node2D
GenerateCanvasItems(_tileGrid);
}
public override void _Process(float delta)
{
base._Process(delta);
// TODO: this is a rendering concern that should be performed
// by the heat overlay
for (int i = 0; i < _tileGrid.Count; i++)
{
var tile = _tileGrid[i];
var view = _tileViews[i];
view.material.SetShaderParam("t", tile.temperature);
}
}
#region Positioning
public void GetGridPos(Vector2 position, out int x, out int y)
{
@ -116,13 +101,15 @@ public class WorldGrid : Node2D
}
}
public ShaderMaterial GetTileMaterial(int idx) => _tileViews[idx].material;
#region Simulation
public void _on_Clock_OnTick(int ticks)
{
GenerateHeat();
Diffuse();
}
#region Simulation
private float TransferHeat(float t0, float alpha, float nx, float ny, float px, float py)
{
float d2tdx2 = nx - 2 * t0 + px;

22
half-earth/scripts/overlays/HeatOverlay.cs Normal file
View File

@ -0,0 +1,22 @@
using Godot;
using System;
public class HeatOverlay : Overlay
{
[Export]
private Color _coldColor;
[Export]
private Color _hotColor;
public override void Initialise(Tile tile, ShaderMaterial material)
{
material.SetShaderParam("lowColor", _coldColor);
material.SetShaderParam("highColor", _hotColor);
}
public override void Process(Tile tile, ShaderMaterial material)
{
material.SetShaderParam("t", tile.temperature);
}
}

17
half-earth/scripts/overlays/NoOverlay.cs Normal file
View File

@ -0,0 +1,17 @@
using Godot;
public class NoOverlay : Overlay
{
// in this view we want to draw tiles with their normal colour
public override void Initialise(Tile tile, ShaderMaterial material)
{
var type = tile.type;
material.SetShaderParam("lowColor", type.Color);
material.SetShaderParam("t", 0);
}
public override void Process(Tile tile, ShaderMaterial material)
{
}
}

7
half-earth/scripts/overlays/Overlay.cs Normal file
View File

@ -0,0 +1,7 @@
using Godot;
public abstract class Overlay : Resource
{
public abstract void Initialise(Tile tile, ShaderMaterial material);
public abstract void Process(Tile tile, ShaderMaterial material);
}

76
half-earth/scripts/overlays/Overlays.cs Normal file
View File

@ -0,0 +1,76 @@
using Godot;
using System;
public class Overlays : Node
{
[Export]
private KeyList _cycleOverlayKey;
[Export]
private Resource[] _overlayResources;
private Overlay[] _overlays;
private int _overlayIdx = 0;
private Overlay Current => _overlays[_overlayIdx];
[Export]
private Resource _tileGridResource;
private TileGrid _tileGrid;
[Export]
private NodePath _worldGridPath;
private WorldGrid _worldGrid;
public override void _Ready()
{
_tileGrid = (TileGrid)_tileGridResource;
_overlays = new Overlay[_overlayResources.Length];
for (int i = 0; i < _overlayResources.Length; i++)
{
_overlays[i] = (Overlay)_overlayResources[i];
}
_worldGrid = GetNode<WorldGrid>(_worldGridPath);
}
public override void _Input(InputEvent @event)
{
base._Input(@event);
if (!(@event is InputEventKey keyEvent))
return;
if (!(keyEvent.Pressed))
return;
if ((KeyList)keyEvent.Scancode != _cycleOverlayKey)
return;
CycleOverlay();
}
public override void _Process(float delta)
{
base._Process(delta);
for (int i = 0; i < _tileGrid.Count; i++)
{
var tile = _tileGrid[i];
var material = _worldGrid.GetTileMaterial(i);
Current.Process(tile, material);
}
}
private void CycleOverlay()
{
_overlayIdx++;
_overlayIdx %= _overlays.Length;
for (int i = 0; i < _tileGrid.Count; i++)
{
var tile = _tileGrid[i];
var material = _worldGrid.GetTileMaterial(i);
Current.Initialise(tile, material);
}
}
}