BGE: Adding a Max Jumps value to the character physic window

Actually we only have a Python API that allows to change the max jumps value.
The patch also allows non programmers to change the maximum numbers of jumps.

Reviewers: panzergame, sybren, campbellbarton, lordloki, moguri, agoose77

Reviewed By: lordloki, moguri

Projects: #game_engine

Differential Revision: https://developer.blender.org/D1302

release/scripts/startup/bl_ui/properties_game.py

@@ -55,6 +55,7 @@ class PHYSICS_PT_game_physics(PhysicsButtonsPanel, Panel):
             layout.prop(game, "step_height", slider=True)
             layout.prop(game, "jump_speed")
             layout.prop(game, "fall_speed")
+            layout.prop(game, "max_jumps")
 
         elif physics_type in {'DYNAMIC', 'RIGID_BODY'}:
             split = layout.split()

source/blender/blenkernel/intern/object.c

@@ -1041,6 +1041,7 @@ Object *BKE_object_add_only_object(Main *bmain, int type, const char *name)
 	ob->step_height = 0.15f;
 	ob->jump_speed = 10.0f;
 	ob->fall_speed = 55.0f;
+	ob->max_jumps = 1;
 	ob->col_group = 0x01;
 	ob->col_mask = 0xffff;
 	ob->preview = NULL;

source/blender/makesdna/DNA_object_types.h

@@ -189,7 +189,7 @@ typedef struct Object {
 
 	/* did last modifier stack generation need mapping support? */
 	char lastNeedMapping;  /* bool */
-	char pad[5];
+	char pad;
 
 	/* dupli-frame settings */
 	int dupon, dupoff, dupsta, dupend;
@@ -222,6 +222,8 @@ typedef struct Object {
 	float step_height;
 	float jump_speed;
 	float fall_speed;
+	unsigned char max_jumps;
+	char pad2[3];
 
 	/** Collision mask settings */
 	unsigned short col_group, col_mask;

source/blender/makesrna/intern/rna_object.c

@@ -1771,6 +1771,14 @@ static void rna_def_object_game_settings(BlenderRNA *brna)
 	RNA_def_property_float_default(prop, 55.0f);
 	RNA_def_property_ui_text(prop, "Fall Speed Max", "Maximum speed at which the character will fall");
 
+	prop = RNA_def_property(srna, "max_jumps", PROP_INT, PROP_NONE);
+	RNA_def_property_int_sdna(prop, NULL, "max_jumps");
+	RNA_def_property_range(prop, 1, CHAR_MAX);
+	RNA_def_property_ui_range(prop, 1, 10, 1, 1);
+	RNA_def_property_int_default(prop, 1);
+	RNA_def_property_ui_text(prop, "Max Jumps",
+	                         "The maximum number of jumps the character can make before it hits the ground.");
+
 	/* Collision Masks */
 	prop = RNA_def_property(srna, "collision_group", PROP_BOOLEAN, PROP_LAYER_MEMBER);
 	RNA_def_property_boolean_sdna(prop, NULL, "col_group", 1);

source/gameengine/Converter/BL_BlenderDataConversion.cpp

@@ -1215,7 +1215,8 @@ static PHY_ShapeProps *CreateShapePropsFromBlenderObject(struct Object* blendero
 	shapeProps->m_step_height = blenderobject->step_height;
 	shapeProps->m_jump_speed = blenderobject->jump_speed;
 	shapeProps->m_fall_speed = blenderobject->fall_speed;
-	
+	shapeProps->m_max_jumps = blenderobject->max_jumps;
+
 	return shapeProps;
 }
 

source/gameengine/Ketsji/KX_CharacterWrapper.cpp

@@ -119,7 +119,7 @@ int KX_CharacterWrapper::pyattr_set_max_jumps(void *self_v, const KX_PYATTRIBUTE
 
 	CLAMP(param, 0, 255);
 
-	self->m_character->SetMaxJumps((unsigned char)param);
+	self->m_character->SetMaxJumps(param);
 	return PY_SET_ATTR_SUCCESS;
 }
 

source/gameengine/Physics/Bullet/CcdPhysicsController.cpp

@@ -533,6 +533,7 @@ bool CcdPhysicsController::CreateCharacterController()
 
 	m_characterController->setJumpSpeed(m_cci.m_jumpSpeed);
 	m_characterController->setFallSpeed(m_cci.m_fallSpeed);
+	m_characterController->setMaxJumps(m_cci.m_maxJumps);
 
 	return true;
 }

source/gameengine/Physics/Bullet/CcdPhysicsController.h

@@ -316,7 +316,8 @@ struct CcdConstructionInfo
 	float	m_stepHeight;
 	float	m_jumpSpeed;
 	float	m_fallSpeed;
-	
+	unsigned char m_maxJumps;
+
 	int		m_gamesoftFlag;
 	float	m_soft_linStiff;			/* linear stiffness 0..1 */
 	float	m_soft_angStiff;		/* angular stiffness 0..1 */

source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp

@@ -3162,6 +3162,7 @@ void CcdPhysicsEnvironment::ConvertObject(KX_GameObject *gameobj, RAS_MeshObject
 	ci.m_stepHeight = isbulletchar ? shapeprops->m_step_height : 0.f;
 	ci.m_jumpSpeed = isbulletchar ? shapeprops->m_jump_speed : 0.f;
 	ci.m_fallSpeed = isbulletchar ? shapeprops->m_fall_speed : 0.f;
+	ci.m_maxJumps = isbulletchar ? shapeprops->m_max_jumps : 0;
 
 	//mmm, for now, take this for the size of the dynamicobject
 	// Blender uses inertia for radius of dynamic object

source/gameengine/Physics/common/PHY_Pro.h

@@ -51,6 +51,7 @@ struct PHY_ShapeProps {
 	MT_Scalar  m_step_height;			// Max height of climbable steps (Character)
 	MT_Scalar  m_jump_speed;			// Velocity of jumps (Character)
 	MT_Scalar  m_fall_speed;			// Max velocity of falling (Character)
+	unsigned char m_max_jumps;          // Max ammount of jumps (Character)
 };