From 55d2b184ec1b2c1adfe182ead937cedae1a8208d Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Sun, 12 Apr 2009 07:24:04 +0000
Subject: [PATCH] added "toggle" an option for the property actuator. much less
 hassle then setting up a property sensor and 2 assignment actuators, or
 through python.

---
 source/blender/makesdna/DNA_actuator_types.h    |  1 +
 source/blender/src/buttons_logic.c              |  9 +++++++--
 .../GameLogic/SCA_PropertyActuator.cpp          | 17 +++++++++++++++++
 .../gameengine/GameLogic/SCA_PropertyActuator.h |  1 +
 4 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/source/blender/makesdna/DNA_actuator_types.h b/source/blender/makesdna/DNA_actuator_types.h
index 48432b8c6e2..2252126b46c 100644
--- a/source/blender/makesdna/DNA_actuator_types.h
+++ b/source/blender/makesdna/DNA_actuator_types.h
@@ -357,6 +357,7 @@ typedef struct FreeCamera {
 #define ACT_PROP_ASSIGN		0
 #define ACT_PROP_ADD		1
 #define ACT_PROP_COPY		2
+#define ACT_PROP_TOGGLE		3
 
 /* constraint flag */
 #define ACT_CONST_LOCX		1
diff --git a/source/blender/src/buttons_logic.c b/source/blender/src/buttons_logic.c
index 56879f80198..1f604aa8480 100644
--- a/source/blender/src/buttons_logic.c
+++ b/source/blender/src/buttons_logic.c
@@ -1970,12 +1970,17 @@ static short draw_actuatorbuttons(Object *ob, bActuator *act, uiBlock *block, sh
 			
 			pa= act->data;
 			
-			str= "Type   %t|Assign   %x0|Add %x1|Copy %x2";
+			str= "Type%t|Assign%x0|Add %x1|Copy %x2|Toggle%x3";
 			uiDefButI(block, MENU, B_REDR, str,		xco+30,yco-24,width-60, 19, &pa->type, 0, 31, 0, 0, "Type");
 			
 			uiDefBut(block, TEX, 1, "Prop: ",		xco+30,yco-44,width-60, 19, pa->name, 0, 31, 0, 0, "Property name");
 			
-			if(pa->type==ACT_PROP_COPY) {
+			
+			if(pa->type==ACT_PROP_TOGGLE) {
+				/* no ui */
+				ysize -= 22;
+			}
+			else if(pa->type==ACT_PROP_COPY) {
 				uiDefIDPoinBut(block, test_obpoin_but, ID_OB, 1, "OB:",	xco+10, yco-64, (width-20)/2, 19, &(pa->ob), "Copy from this Object");
 				uiDefBut(block, TEX, 1, "Prop: ",		xco+10+(width-20)/2, yco-64, (width-20)/2, 19, pa->value, 0, 31, 0, 0, "Copy this property");
 			}
diff --git a/source/gameengine/GameLogic/SCA_PropertyActuator.cpp b/source/gameengine/GameLogic/SCA_PropertyActuator.cpp
index 444c616870d..37df8a5c401 100644
--- a/source/gameengine/GameLogic/SCA_PropertyActuator.cpp
+++ b/source/gameengine/GameLogic/SCA_PropertyActuator.cpp
@@ -135,6 +135,23 @@ bool SCA_PropertyActuator::Update()
 				}
 				break;
 			}
+		case KX_ACT_PROP_TOGGLE:
+			{
+				
+				CValue* newval;
+				CValue* oldprop = propowner->GetProperty(m_propname);
+				if (oldprop)
+				{
+					newval = new CBoolValue((oldprop->GetNumber()==0.0) ? true:false);
+					oldprop->SetValue(newval);
+				} else
+				{	/* as not been assigned, evaluate as false, so assign true */
+					newval = new CBoolValue(true);
+					propowner->SetProperty(m_propname,newval);
+				}
+				newval->Release();
+				break;
+			}
 		default:
 			{
 
diff --git a/source/gameengine/GameLogic/SCA_PropertyActuator.h b/source/gameengine/GameLogic/SCA_PropertyActuator.h
index 6a975716ed0..bb841cf88ad 100644
--- a/source/gameengine/GameLogic/SCA_PropertyActuator.h
+++ b/source/gameengine/GameLogic/SCA_PropertyActuator.h
@@ -43,6 +43,7 @@ class SCA_PropertyActuator : public SCA_IActuator
 		KX_ACT_PROP_ASSIGN,
 		KX_ACT_PROP_ADD,
 		KX_ACT_PROP_COPY,
+		KX_ACT_PROP_TOGGLE,
 		KX_ACT_PROP_MAX
 	};