From 1e77a3868dc9129706c66573b174aa4368e6e8fe Mon Sep 17 00:00:00 2001
From: Mono <mono@nekolize.moe>
Date: Sat, 27 Nov 2021 09:16:34 +0100
Subject: [PATCH] Implemented hand and zoom tools.

---
 Bullshit/scene_073.tres                       |  2 +-
 addons/summer_day/summer_day.gd               |  2 +-
 .../tool/canvas/tools/general_use/hand.gd     | 16 +++++-
 .../tool/canvas/tools/general_use/zoom.gd     | 55 +++++++++++++++++++
 .../summer_day/tool/canvas/tools/tool_pool.gd |  3 +-
 project.godot                                 | 10 ++++
 6 files changed, 83 insertions(+), 5 deletions(-)
 create mode 100644 addons/summer_day/tool/canvas/tools/general_use/zoom.gd

diff --git a/Bullshit/scene_073.tres b/Bullshit/scene_073.tres
index ec7cb1d..0ea4c7e 100644
--- a/Bullshit/scene_073.tres
+++ b/Bullshit/scene_073.tres
@@ -4,4 +4,4 @@
 
 [resource]
 script = ExtResource( 1 )
-aspect_ratio = Vector2( 16, 9 )
+aspect_ratio = Vector2( 13.134, 9 )
diff --git a/addons/summer_day/summer_day.gd b/addons/summer_day/summer_day.gd
index 2323083..cf91fe5 100644
--- a/addons/summer_day/summer_day.gd
+++ b/addons/summer_day/summer_day.gd
@@ -34,7 +34,7 @@ func _enter_tree():
 	add_control_to_bottom_panel(timeline_instance, "SummerDay Timeline")
 	
 	add_custom_type("SummerDayScene", "Resource",
-	load("res://addons/summer_day/data_structure/scene/scene.gd"),
+	load("res://addons/summer_day/data/scene/scene.gd"),
 	get_editor_interface().get_base_control().get_icon("Animation", "EditorIcons"))
 	
 	add_custom_type("SummerDayDisplay", "Control",
diff --git a/addons/summer_day/tool/canvas/tools/general_use/hand.gd b/addons/summer_day/tool/canvas/tools/general_use/hand.gd
index 67bc540..53d92d3 100644
--- a/addons/summer_day/tool/canvas/tools/general_use/hand.gd
+++ b/addons/summer_day/tool/canvas/tools/general_use/hand.gd
@@ -6,9 +6,21 @@ func _init():
 	priority = 1
 
 
+var hand_grabbed = false
+
+
 func _check_for_use(event: InputEvent, tool_context: SummerDayToolContext):
-	pass
+	if event is InputEventMouseButton:
+		if event.button_index == BUTTON_LEFT:
+			hand_grabbed = event.is_pressed() and event.control
+		if event.button_index == BUTTON_MIDDLE:
+			hand_grabbed = event.is_pressed()
+	
+	if event is InputEventMouseMotion:
+		return hand_grabbed
+	
+	return false
 
 
 func _run(event: InputEvent, tool_context: SummerDayToolContext):
-	pass
+	tool_context.canvas_state.canvas_transform.origin += event.relative
diff --git a/addons/summer_day/tool/canvas/tools/general_use/zoom.gd b/addons/summer_day/tool/canvas/tools/general_use/zoom.gd
new file mode 100644
index 0000000..afb683c
--- /dev/null
+++ b/addons/summer_day/tool/canvas/tools/general_use/zoom.gd
@@ -0,0 +1,55 @@
+extends SummerDayTool
+class_name SummerDayZoomCanvasTool
+
+
+var zoom_activated := false
+var initial_transform: Transform2D
+var initial_mouse_position: Vector2
+
+
+func _init():
+	priority = 1
+
+
+func _check_for_use(event: InputEvent, tool_context: SummerDayToolContext):
+	if event is InputEventMouseButton:
+		if event.button_index == BUTTON_LEFT:
+			if event.is_pressed() and event.shift:
+				initial_transform = tool_context.canvas_state.canvas_transform
+				initial_mouse_position = event.position
+				zoom_activated = true
+			else:
+				zoom_activated = false
+		elif event.factor != 0.0:
+			initial_transform = tool_context.canvas_state.canvas_transform
+			return true
+	
+	if event is InputEventMouseMotion:
+		return zoom_activated
+	
+	return false
+
+
+func _run(event: InputEvent, tool_context: SummerDayToolContext):
+	var zoom_point
+	var zoom_strength
+	
+	if event is InputEventMouseButton:
+		print(event.button_index)
+		print(event.button_mask)
+		print(event.factor)
+		print("\n")
+		zoom_point = event.position
+		zoom_strength = event.factor
+		if event.button_index == BUTTON_WHEEL_DOWN:
+			zoom_strength = -event.factor
+	if event is InputEventMouseMotion:
+		zoom_point = initial_mouse_position
+		zoom_strength = (event.position.x - initial_mouse_position.x) * 0.5
+	
+	var canvas_transform = initial_transform
+	canvas_transform.origin -= zoom_point
+	var scale = pow(1.03, zoom_strength)
+	canvas_transform = canvas_transform.scaled(Vector2(scale, scale))
+	canvas_transform.origin += zoom_point
+	tool_context.canvas_state.canvas_transform = canvas_transform
diff --git a/addons/summer_day/tool/canvas/tools/tool_pool.gd b/addons/summer_day/tool/canvas/tools/tool_pool.gd
index 2af69e5..d2b65bc 100644
--- a/addons/summer_day/tool/canvas/tools/tool_pool.gd
+++ b/addons/summer_day/tool/canvas/tools/tool_pool.gd
@@ -5,7 +5,8 @@ class_name SummerDayCanvasToolPool
 func _init():
 	persistent_tool_pool = [
 		SummerDayFreeTransformCanvasTool.new(),
-		SummerDayHandCanvasTool.new()
+		SummerDayHandCanvasTool.new(),
+		SummerDayZoomCanvasTool.new(),
 	]
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
diff --git a/project.godot b/project.godot
index 02eb062..5c0db88 100644
--- a/project.godot
+++ b/project.godot
@@ -104,6 +104,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://addons/summer_day/tool/tool_system/tool_pool.gd"
 }, {
+"base": "SummerDayTool",
+"class": "SummerDayZoomCanvasTool",
+"language": "GDScript",
+"path": "res://addons/summer_day/tool/canvas/tools/general_use/zoom.gd"
+}, {
 "base": "OH",
 "class": "VeryWorse",
 "language": "GDScript",
@@ -129,6 +134,7 @@ _global_script_class_icons={
 "SummerDayTool": "",
 "SummerDayToolContext": "",
 "SummerDayToolPool": "",
+"SummerDayZoomCanvasTool": "",
 "VeryWorse": ""
 }
 
@@ -142,6 +148,10 @@ config/icon="res://icon.png"
 
 Util="res://addons/summer_day/utilities/math_helper.gd"
 
+[editor_plugins]
+
+enabled=PoolStringArray( "res://addons/summer_day/plugin.cfg" )
+
 [gdnative]
 
 singletons=[ "res://addons/godot-git-plugin/git_api.gdnlib" ]