Implemented Scale Tool

src/game/editor.c

@@ -134,9 +134,10 @@ void editor_init(struct Editor* editor)
 	editor->axis_line_length                   = 500.f;
 	editor->picking_enabled                    = true;
 	editor->draw_cursor_entity                 = false;
+	editor->tool_scale_started                 = false;
 
 	vec4_fill(&editor->projected_entity_color, 0.f, 1.f, 1.f, 1.f);
-	vec3_fill(&editor->tool_scale_amount, 0.f, 0.f, 0.f);
+	vec3_fill(&editor->tool_scale_amount, 1.f, 1.f, 1.f);
 	vec4_fill(&editor->tool_mesh_color, 0.f, 1.f, 1.f, 1.f);
 	vec4_fill(&editor->selected_entity_color, 0.96, 0.61, 0.17, 0.5f);
 	vec4_fill(&editor->grid_color, 0.3f, 0.3f, 0.3f, 0.7f);
@@ -511,6 +512,7 @@ void editor_update(struct Editor* editor, float dt)
 	{
 		switch(editor->current_tool)
 		{
+		case EDITOR_TOOL_SCALE:
 		case EDITOR_TOOL_TRANSLATE:
 		{
 			quat rotation = { 0.f, 0.f, 0.f, 1.f };
@@ -674,12 +676,14 @@ void editor_on_mousebutton_release(const struct Event* event)
 
 	if(editor->selected_entity && event->mousebutton.button == MSB_LEFT && nk_item_is_any_active(&gui->context) == 0)
 	{
-		if(editor->current_tool == EDITOR_TOOL_TRANSLATE)
+		switch(editor->current_tool)
 		{
+		case EDITOR_TOOL_TRANSLATE:
 			if(editor->current_axis != EDITOR_AXIS_NONE)
 				transform_copy(editor->selected_entity, editor->cursor_entity, false);
-		}
+			break;
-		else if(editor->current_tool == EDITOR_TOOL_ROTATE && editor->tool_rotate_rotation_started)
+		case EDITOR_TOOL_ROTATE:
+			if(editor->tool_rotate_rotation_started)
 			{
 				editor->picking_enabled = true;
 				editor->tool_rotate_rotation_started = false;
@@ -688,6 +692,18 @@ void editor_on_mousebutton_release(const struct Event* event)
 				editor->tool_rotate_starting_rotation = 0.f;
 				editor->draw_cursor_entity = false;
 			}
+			break;
+		case EDITOR_TOOL_SCALE:
+			if(editor->tool_scale_started)
+			{
+				editor->picking_enabled = true;
+				editor->tool_scale_started = false;
+				transform_copy(editor->selected_entity, editor->cursor_entity, false);
+				vec3_fill(&editor->tool_scale_amount, 0.f, 0.f, 0.f);
+				editor->draw_cursor_entity = false;
+			}
+			break;
+		}
 	}
 
 }
@@ -700,11 +716,6 @@ void editor_on_mousebutton_press(const struct Event* event)
 	if(game_state->game_mode != GAME_MODE_EDITOR && nk_window_is_any_hovered(&gui->context) == 0)
 		return;
 
-	if(event->mousebutton.button == MSB_RIGHT && !editor->camera_looking_around)
-	{
-
-	}
-
 	if(event->mousebutton.button == MSB_LEFT && editor->selected_entity)
 	{
 		if(editor->current_tool == EDITOR_TOOL_ROTATE && editor->tool_rotate_allowed)
@@ -900,6 +911,23 @@ void editor_on_mousemotion(const struct Event* event)
 		
 	}
 	break;
+	case EDITOR_TOOL_SCALE:
+	{
+		if(editor->current_axis != EDITOR_AXIS_NONE && editor->tool_scale_started)
+		{
+			switch(editor->current_axis)
+			{
+			case EDITOR_AXIS_X:  editor->tool_scale_amount.x += (float)(event->mousemotion.xrel / 2) * editor->grid_scale; break;
+			case EDITOR_AXIS_Y:  editor->tool_scale_amount.y += (float)(event->mousemotion.xrel / 2) * editor->grid_scale; break;
+			case EDITOR_AXIS_Z:  editor->tool_scale_amount.z += (float)(event->mousemotion.xrel / 2) * editor->grid_scale; break;
+			case EDITOR_AXIS_XZ: editor->tool_scale_amount.x += (float)(event->mousemotion.xrel / 2) * editor->grid_scale; editor->tool_scale_amount.z += (float)(event->mousemotion.xrel / 2) * editor->grid_scale; break;
+			case EDITOR_AXIS_XY: editor->tool_scale_amount.x += (float)(event->mousemotion.xrel / 2) * editor->grid_scale; editor->tool_scale_amount.y += (float)(event->mousemotion.xrel / 2) * editor->grid_scale; break;
+			case EDITOR_AXIS_YZ: editor->tool_scale_amount.y += (float)(event->mousemotion.xrel / 2) * editor->grid_scale; editor->tool_scale_amount.z += (float)(event->mousemotion.xrel / 2) * editor->grid_scale; break;
+			}
+			transform_scale(editor->cursor_entity, &editor->tool_scale_amount);
+		}
+	}
+	break;
 	default: break;
 	}
 }
@@ -965,7 +993,7 @@ void editor_tool_set(struct Editor* editor, int tool)
 		editor->current_tool = tool;
 	}
 	
-	if(editor->selected_entity && editor->current_tool == EDITOR_TOOL_TRANSLATE)
+	if(editor->current_tool == EDITOR_TOOL_TRANSLATE)
 		editor->draw_cursor_entity = true;
 	else
 		editor->draw_cursor_entity = false;
@@ -1007,6 +1035,8 @@ void editor_tool_reset(struct Editor* editor)
 	editor->tool_rotate_total_rotation = 0.f;
 	editor->tool_rotate_allowed = false;
 	editor->tool_rotate_rotation_started = false;
+	vec3_fill(&editor->tool_scale_amount, 0.f, 0.f, 0.f);
+	editor->tool_scale_started = false;
 	editor->picking_enabled = true;
 	if(editor->current_tool == EDITOR_TOOL_TRANSLATE)
 		editor_axis_set(editor, EDITOR_AXIS_XZ);
@@ -1045,6 +1075,14 @@ void editor_axis_set(struct Editor* editor, int axis)
 				editor->tool_rotate_amount = 0.f;
 			}
 		}
+
+		if(editor->current_tool == EDITOR_TOOL_SCALE && axis != EDITOR_AXIS_NONE)
+		{
+			editor->tool_scale_started = true;
+			editor->picking_enabled = false;
+			editor->draw_cursor_entity = true;
+			vec3_assign(&editor->tool_scale_amount, &editor->cursor_entity->base.transform.scale);
+		}
 	}
 }
 void editor_camera_update(struct Editor* editor, float dt)

src/game/editor.h

@@ -46,6 +46,7 @@ struct Editor
 	float               tool_rotate_total_rotation;
 	float               tool_rotate_starting_rotation;
 	vec3                tool_scale_amount;
+	bool                tool_scale_started;
 	float               axis_line_length;
 	vec4                axis_color_x;
 	vec4                axis_color_y;

todo.txt

@@ -6,7 +6,7 @@ Todo:
 	? Disable entity picking when tool is in use or only allow picking when pressing ALT
 	- Disable editor event recievers on game mode change
 	- Editor Undo
-	- Scale Mode
+	- Duplicate with Ctrl-D
 	- Color picker
 	- Color palette, picker and dropper
 	- Key binding and function to snap editor camera to selected entity
@@ -86,6 +86,7 @@ Improvements:
 	- Depth testing for editor grid
 	- Improve picking and automatically improve everything in editor
 	- Improve culling
+	- Allow scaling on all axes at once
 
 Bugs:
 	- Better handling of wav format checking at load time
@@ -95,6 +96,8 @@ Bugs:
 	- Investigate memory usage increase when window is minimized
 	- Fix hang on fullscreen toggle
 	- Fix axis lines not aligning with grid lines
+	- Fix rotation arc starting and ending degree calculations
+	- Fix broken spot light degree/radian conversions
 
 Done:
 	* Input
@@ -276,4 +279,5 @@ Done:
 	  consistent
 	* Implemented reverting back to previously selected axis when not
 	  moving the camera any more and rotate tool is selected.
+	* Scale Mode