SITL Gazebo classic make airframes simulator specific

Tools/simulation/gazebo/sitl_multiple_run.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 # run multiple instances of the 'px4' binary, with the gazebo SITL simulation
-# It assumes px4 is already built, with 'make px4_sitl_default gazebo'
+# It assumes px4 is already built, with 'make px4_sitl_default sitl_gazebo'
 
 # The simulator is expected to send to TCP port 4560+i for i in [0, N-1]
 # For example gazebo can be run like this:
@@ -69,7 +69,7 @@ num_vehicles=${NUM_VEHICLES:=3}
 world=${WORLD:=empty}
 target=${TARGET:=px4_sitl_default}
 vehicle_model=${VEHICLE_MODEL:="iris"}
-export PX4_SIM_MODEL=${vehicle_model}
+export PX4_SIM_MODEL=gazebo_${vehicle_model}
 
 echo ${SCRIPT}
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
@@ -126,7 +126,7 @@ else
 
 		m=0
 		while [ $m -lt ${target_number} ]; do
-			export PX4_SIM_MODEL=${target_vehicle}
+			export PX4_SIM_MODEL=gazebo_${target_vehicle}
 			spawn_model ${target_vehicle}${LABEL} $n $target_x $target_y
 			m=$(($m + 1))
 			n=$(($n + 1))

Tools/simulation/gazebo/sitl_run.sh

@@ -67,7 +67,7 @@ fi
 # be running from last time
 pkill -x gazebo || true
 
-export PX4_SIM_MODEL=${model}
+export PX4_SIM_MODEL=gazebo_${model}
 export PX4_SIM_WORLD=${world}
 
 SIM_PID=0
@@ -75,10 +75,6 @@ SIM_PID=0
 if [ -x "$(command -v gazebo)" ]; then
 	# Get the model name
 	model_name="${model}"
-	# Check if a 'modelname-gen.sdf' file exist for the models using jinja and generating the SDF files
-	if [ -f "${src_path}/Tools/simulation/gazebo/sitl_gazebo/models/${model}/${model}-gen.sdf" ]; then
-		model_name="${model}-gen"
-	fi
 
 	# Set the plugin path so Gazebo finds our model and sim
 	source "$src_path/Tools/simulation/gazebo/setup_gazebo.bash" "${src_path}" "${build_path}"

Tools/simulation/sitl_multiple_run.sh

@@ -19,7 +19,7 @@ pkill -x px4 || true
 
 sleep 1
 
-export PX4_SIM_MODEL=iris
+export PX4_SIM_MODEL=gazebo_iris
 
 n=0
 while [ $n -lt $sitl_num ]; do