Exposing the zoom key to Lua API (#9903)

Co-authored-by: Raul Ferriz <raul.ferriz@gmail.com>
minetest · Jun 13, 2020 · e7e065f · e7e065f
1 parent 2424dfe
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Showing 4 changed files with 10 additions and 5 deletions.
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
@@ -6106,13 +6106,14 @@ object you are working with still exists.
 * `get_formspec_prepend(formspec)`: returns a formspec string.
 * `get_player_control()`: returns table with player pressed keys
     * The table consists of fields with boolean value representing the pressed
-      keys, the fields are jump, right, left, LMB, RMB, sneak, aux1, down, up.
+      keys, the fields are jump, right, left, LMB, RMB, sneak, aux1, down, up, zoom.
     * example: `{jump=false, right=true, left=false, LMB=false, RMB=false,
-      sneak=true, aux1=false, down=false, up=false}`
+      sneak=true, aux1=false, down=false, up=false, zoom=false}`
+    * The `zoom` field is available since 5.3
 * `get_player_control_bits()`: returns integer with bit packed player pressed
   keys.
     * bit nr/meaning: 0/up, 1/down, 2/left, 3/right, 4/jump, 5/aux1, 6/sneak,
-      7/LMB, 8/RMB
+      7/LMB, 8/RMB, 9/zoom (zoom available since 5.3)
 * `set_physics_override(override_table)`
     * `override_table` is a table with the following fields:
         * `speed`: multiplier to default walking speed value (default: `1`)

diff --git a/src/client/game.cpp b/src/client/game.cpp
@@ -2490,7 +2490,7 @@ void Game::updatePlayerControl(const CameraOrientation &cam)
 		input->joystick.getAxisWithoutDead(JA_FORWARD_MOVE)
 	);
 
-	u32 keypress_bits =
+	u32 keypress_bits = (
 			( (u32)(isKeyDown(KeyType::FORWARD)                       & 0x1) << 0) |
 			( (u32)(isKeyDown(KeyType::BACKWARD)                      & 0x1) << 1) |
 			( (u32)(isKeyDown(KeyType::LEFT)                          & 0x1) << 2) |
@@ -2499,7 +2499,8 @@ void Game::updatePlayerControl(const CameraOrientation &cam)
 			( (u32)(isKeyDown(KeyType::SPECIAL1)                      & 0x1) << 5) |
 			( (u32)(isKeyDown(KeyType::SNEAK)                         & 0x1) << 6) |
 			( (u32)(input->getLeftState()                             & 0x1) << 7) |
-			( (u32)(input->getRightState()                            & 0x1) << 8
+			( (u32)(input->getRightState()                            & 0x1) << 8) |
+			( (u32)(isKeyDown(KeyType::ZOOM)                          & 0x1) << 9)
 		);
 
 #ifdef ANDROID

diff --git a/src/network/serverpackethandler.cpp b/src/network/serverpackethandler.cpp
@@ -501,6 +501,7 @@ void Server::process_PlayerPos(RemotePlayer *player, PlayerSAO *playersao,
 	player->control.sneak = (keyPressed & 64);
 	player->control.LMB = (keyPressed & 128);
 	player->control.RMB = (keyPressed & 256);
+	player->control.zoom = (keyPressed & 512);
 
 	if (playersao->checkMovementCheat()) {
 		// Call callbacks

diff --git a/src/script/lua_api/l_object.cpp b/src/script/lua_api/l_object.cpp
@@ -1459,6 +1459,8 @@ int ObjectRef::l_get_player_control(lua_State *L)
 	lua_setfield(L, -2, "LMB");
 	lua_pushboolean(L, control.RMB);
 	lua_setfield(L, -2, "RMB");
+	lua_pushboolean(L, control.zoom);
+	lua_setfield(L, -2, "zoom");
 	return 1;
 }