From: sapier <Sapier at GMX dot net>
Date: Mon, 22 Jul 2013 16:54:30 +0000 (+0200)
Subject: Add support for setting stepheight for entities
X-Git-Url: http://81.2.79.47:8989/gitweb/?a=commitdiff_plain;h=251e3e01c7350d94ea8dec0857e834d1ed84ac3f;p=zefram%2Fminetest%2Fminetest_engine.git

Add support for setting stepheight for entities
---

diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index e5fbd7a3..b5a9762b 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -1860,6 +1860,7 @@ Object Properties
     is_visible = true,
     makes_footstep_sound = false,
     automatic_rotate = false,
+    stepheight = 0,
 }
 
 Entity definition (register_entity)
diff --git a/src/clientserver.h b/src/clientserver.h
index 0d07d64f..f490508c 100644
--- a/src/clientserver.h
+++ b/src/clientserver.h
@@ -100,6 +100,7 @@ SharedBuffer<u8> makePacket_TOCLIENT_TIME_OF_DAY(u16 time, float time_speed);
 		TOSERVER_BREATH
 		range added to ItemDefinition
 		drowning, leveled and liquid_range added to ContentFeatures
+		stepheight and collideWithObjects added to object properties
 */
 
 #define LATEST_PROTOCOL_VERSION 21
diff --git a/src/content_cao.cpp b/src/content_cao.cpp
index 92585528..bbee0bc8 100644
--- a/src/content_cao.cpp
+++ b/src/content_cao.cpp
@@ -1150,12 +1150,11 @@ public:
 				box.MaxEdge *= BS;
 				collisionMoveResult moveresult;
 				f32 pos_max_d = BS*0.125; // Distance per iteration
-				f32 stepheight = 0;
 				v3f p_pos = m_position;
 				v3f p_velocity = m_velocity;
 				v3f p_acceleration = m_acceleration;
 				moveresult = collisionMoveSimple(env,env->getGameDef(),
-						pos_max_d, box, stepheight, dtime,
+						pos_max_d, box, m_prop.stepheight, dtime,
 						p_pos, p_velocity, p_acceleration,
 						this, m_prop.collideWithObjects);
 				// Apply results
diff --git a/src/content_sao.cpp b/src/content_sao.cpp
index 6b3593ec..90c4fa69 100644
--- a/src/content_sao.cpp
+++ b/src/content_sao.cpp
@@ -505,14 +505,14 @@ void LuaEntitySAO::step(float dtime, bool send_recommended)
 			box.MaxEdge *= BS;
 			collisionMoveResult moveresult;
 			f32 pos_max_d = BS*0.25; // Distance per iteration
-			f32 stepheight = 0; // Maximum climbable step height
 			v3f p_pos = m_base_position;
 			v3f p_velocity = m_velocity;
 			v3f p_acceleration = m_acceleration;
 			moveresult = collisionMoveSimple(m_env,m_env->getGameDef(),
-					pos_max_d, box, stepheight, dtime,
+					pos_max_d, box, m_prop.stepheight, dtime,
 					p_pos, p_velocity, p_acceleration,
 					this, m_prop.collideWithObjects);
+
 			// Apply results
 			m_base_position = p_pos;
 			m_velocity = p_velocity;
diff --git a/src/object_properties.cpp b/src/object_properties.cpp
index c2debf32..1602f03f 100644
--- a/src/object_properties.cpp
+++ b/src/object_properties.cpp
@@ -39,7 +39,8 @@ ObjectProperties::ObjectProperties():
 	initial_sprite_basepos(0,0),
 	is_visible(true),
 	makes_footstep_sound(false),
-	automatic_rotate(0)
+	automatic_rotate(0),
+	stepheight(0)
 {
 	textures.push_back("unknown_object.png");
 	colors.push_back(video::SColor(255,255,255,255));
@@ -100,6 +101,7 @@ void ObjectProperties::serialize(std::ostream &os) const
 		writeARGB8(os, colors[i]);
 	}
 	writeU8(os, collideWithObjects);
+	writeF1000(os,stepheight);
 	// Add stuff only at the bottom.
 	// Never remove anything, because we don't want new versions of this
 }
@@ -133,6 +135,7 @@ void ObjectProperties::deSerialize(std::istream &is)
 				colors.push_back(readARGB8(is));
 			}
 			collideWithObjects = readU8(is);
+			stepheight = readF1000(is);
 		}catch(SerializationError &e){}
 	}
 	else
diff --git a/src/object_properties.h b/src/object_properties.h
index a0f5618d..e8188cb6 100644
--- a/src/object_properties.h
+++ b/src/object_properties.h
@@ -44,6 +44,7 @@ struct ObjectProperties
 	bool is_visible;
 	bool makes_footstep_sound;
 	float automatic_rotate;
+	f32 stepheight;
 
 
 	ObjectProperties();
diff --git a/src/script/common/c_content.cpp b/src/script/common/c_content.cpp
index d9726400..ef054440 100644
--- a/src/script/common/c_content.cpp
+++ b/src/script/common/c_content.cpp
@@ -188,6 +188,8 @@ void read_object_properties(lua_State *L, int index,
 	getboolfield(L, -1, "is_visible", prop->is_visible);
 	getboolfield(L, -1, "makes_footstep_sound", prop->makes_footstep_sound);
 	getfloatfield(L, -1, "automatic_rotate", prop->automatic_rotate);
+	getfloatfield(L, -1, "stepheight", prop->stepheight);
+	prop->stepheight*=BS;
 }
 
 /******************************************************************************/