better kick/punch/trip, gp and flying detection (#388)

autogen/lua_definitions/constants.lua

@@ -3461,44 +3461,6 @@ GRAPH_RENDER_PLAYER = (1 << 7)
 --- @type integer
 GRAPH_RENDER_Z_BUFFER = (1 << 3)
 
---- @type integer
-INT_ANY_ATTACK = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE | INT_HIT_FROM_BELOW)
-
---- @type integer
-INT_ATTACK_NOT_FROM_BELOW = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE)
-
---- @type integer
-INT_ATTACK_NOT_WEAK_FROM_ABOVE = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_HIT_FROM_BELOW)
-
---- @type integer
-INT_ATTACK_SLIDE = (INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL)
-
---- @class InteractionFlag
-
---- @type InteractionFlag
-INT_GROUND_POUND_OR_TWIRL = (1 << 0)
-
---- @type InteractionFlag
-INT_PUNCH = (1 << 1)
-
---- @type InteractionFlag
-INT_KICK = (1 << 2)
-
---- @type InteractionFlag
-INT_TRIP = (1 << 3)
-
---- @type InteractionFlag
-INT_SLIDE_KICK = (1 << 4)
-
---- @type InteractionFlag
-INT_FAST_ATTACK_OR_SHELL = (1 << 5)
-
---- @type InteractionFlag
-INT_HIT_FROM_ABOVE = (1 << 6)
-
---- @type InteractionFlag
-INT_HIT_FROM_BELOW = (1 << 7)
-
 --- @type integer
 ATTACK_FAST_ATTACK = 5
 
@@ -3517,6 +3479,18 @@ ATTACK_KICK_OR_TRIP = 2
 --- @type integer
 ATTACK_PUNCH = 1
 
+--- @type integer
+INT_ANY_ATTACK = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE | INT_HIT_FROM_BELOW)
+
+--- @type integer
+INT_ATTACK_NOT_FROM_BELOW = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE)
+
+--- @type integer
+INT_ATTACK_NOT_WEAK_FROM_ABOVE = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_HIT_FROM_BELOW)
+
+--- @type integer
+INT_ATTACK_SLIDE = (INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL)
+
 --- @type integer
 INT_STATUS_ATTACKED_MARIO = (1 << 13)
 
@@ -3613,6 +3587,38 @@ INT_SUBTYPE_STAR_DOOR = 0x00000020
 --- @type integer
 INT_SUBTYPE_TWIRL_BOUNCE = 0x00000080
 
+--- @class InteractionFlag
+
+--- @type InteractionFlag
+INT_GROUND_POUND = (1 << 0)
+
+--- @type InteractionFlag
+INT_PUNCH = (1 << 1)
+
+--- @type InteractionFlag
+INT_KICK = (1 << 2)
+
+--- @type InteractionFlag
+INT_TRIP = (1 << 3)
+
+--- @type InteractionFlag
+INT_SLIDE_KICK = (1 << 4)
+
+--- @type InteractionFlag
+INT_FAST_ATTACK_OR_SHELL = (1 << 5)
+
+--- @type InteractionFlag
+INT_HIT_FROM_ABOVE = (1 << 6)
+
+--- @type InteractionFlag
+INT_HIT_FROM_BELOW = (1 << 7)
+
+--- @type InteractionFlag
+INT_TWIRL = (1 << 8)
+
+--- @type InteractionFlag
+INT_GROUND_POUND_OR_TWIRL = (INT_GROUND_POUND | INT_TWIRL)
+
 --- @class InteractionType
 
 --- @type InteractionType
@@ -7286,6 +7292,9 @@ ACT_FLAG_CUSTOM_ACTION = (1 << 30)
 --- @type integer
 ACT_FLAG_DIVING = (1 << 19)
 
+--- @type integer
+ACT_FLAG_FLYING = (ACT_FLAG_AIR | ACT_FLAG_DIVING | ACT_FLAG_ATTACKING | ACT_FLAG_SWIMMING_OR_FLYING)
+
 --- @type integer
 ACT_FLAG_HANGING = (1 << 21)
 

autogen/lua_definitions/functions.lua

@@ -3931,6 +3931,13 @@ function stop_sounds_in_continuous_banks()
     -- ...
 end
 
+--- @param m MarioState
+--- @param o Object
+--- @return integer
+function determine_interaction(m, o)
+    -- ...
+end
+
 --- @param m MarioState
 --- @return integer
 function does_mario_have_normal_cap_on_head(m)

docs/lua/constants.md

@@ -19,8 +19,8 @@
 - [geo_commands.h](#geo_commandsh)
 - [graph_node.h](#graph_nodeh)
 - [interaction.c](#interactionc)
-    - [enum InteractionFlag](#enum-InteractionFlag)
 - [interaction.h](#interactionh)
+    - [enum InteractionFlag](#enum-InteractionFlag)
     - [enum InteractionType](#enum-InteractionType)
 - [level_commands.h](#level_commandsh)
 - [level_defines.h](#level_definesh)
@@ -1193,22 +1193,6 @@
 <br />
 
 ## [interaction.c](#interaction.c)
-- INT_ANY_ATTACK
-- INT_ATTACK_NOT_FROM_BELOW
-- INT_ATTACK_NOT_WEAK_FROM_ABOVE
-- INT_ATTACK_SLIDE
-
-### [enum InteractionFlag](#InteractionFlag)
-| Identifier | Value |
-| :--------- | :---- |
-| INT_GROUND_POUND_OR_TWIRL | (1 << 0) |
-| INT_PUNCH | (1 << 1) |
-| INT_KICK | (1 << 2) |
-| INT_TRIP | (1 << 3) |
-| INT_SLIDE_KICK | (1 << 4) |
-| INT_FAST_ATTACK_OR_SHELL | (1 << 5) |
-| INT_HIT_FROM_ABOVE | (1 << 6) |
-| INT_HIT_FROM_BELOW | (1 << 7) |
 
 [:arrow_up_small:](#)
 
@@ -1221,6 +1205,10 @@
 - ATTACK_GROUND_POUND_OR_TWIRL
 - ATTACK_KICK_OR_TRIP
 - ATTACK_PUNCH
+- INT_ANY_ATTACK
+- INT_ATTACK_NOT_FROM_BELOW
+- INT_ATTACK_NOT_WEAK_FROM_ABOVE
+- INT_ATTACK_SLIDE
 - INT_STATUS_ATTACKED_MARIO
 - INT_STATUS_ATTACK_MASK
 - INT_STATUS_GRABBED_MARIO
@@ -1254,6 +1242,20 @@
 - INT_SUBTYPE_STAR_DOOR
 - INT_SUBTYPE_TWIRL_BOUNCE
 
+### [enum InteractionFlag](#InteractionFlag)
+| Identifier | Value |
+| :--------- | :---- |
+| INT_GROUND_POUND | (1 << 0) |
+| INT_PUNCH | (1 << 1) |
+| INT_KICK | (1 << 2) |
+| INT_TRIP | (1 << 3) |
+| INT_SLIDE_KICK | (1 << 4) |
+| INT_FAST_ATTACK_OR_SHELL | (1 << 5) |
+| INT_HIT_FROM_ABOVE | (1 << 6) |
+| INT_HIT_FROM_BELOW | (1 << 7) |
+| INT_TWIRL | (1 << 8) |
+| INT_GROUND_POUND_OR_TWIRL | (INT_GROUND_POUND | INT_TWIRL) |
+
 ### [enum InteractionType](#InteractionType)
 | Identifier | Value |
 | :--------- | :---- |
@@ -2614,6 +2616,7 @@
 - ACT_FLAG_CONTROL_JUMP_HEIGHT
 - ACT_FLAG_CUSTOM_ACTION
 - ACT_FLAG_DIVING
+- ACT_FLAG_FLYING
 - ACT_FLAG_HANGING
 - ACT_FLAG_IDLE
 - ACT_FLAG_INTANGIBLE

docs/lua/functions-3.md

@@ -3037,6 +3037,27 @@
 <br />
 
 
+## [determine_interaction](#determine_interaction)
+
+### Lua Example
+`local integerValue = determine_interaction(m, o)`
+
+### Parameters
+| Field | Type |
+| ----- | ---- |
+| m | [MarioState](structs.md#MarioState) |
+| o | [Object](structs.md#Object) |
+
+### Returns
+- `integer`
+
+### C Prototype
+`u32 determine_interaction(struct MarioState *m, struct Object *o);`
+
+[:arrow_up_small:](#)
+
+<br />
+
 ## [does_mario_have_normal_cap_on_head](#does_mario_have_normal_cap_on_head)
 
 ### Lua Example

docs/lua/functions.md

@@ -776,6 +776,7 @@
 <br />
 
 - interaction.h
+   - [determine_interaction](functions-3.md#determine_interaction)
    - [does_mario_have_normal_cap_on_head](functions-3.md#does_mario_have_normal_cap_on_head)
    - [get_door_save_file_flag](functions-3.md#get_door_save_file_flag)
    - [interact_damage](functions-3.md#interact_damage)

include/sm64.h

@@ -169,6 +169,7 @@
 #define ACT_FLAG_WATER_OR_TEXT               /* 0x20000000 */ (1 << 29)
 #define ACT_FLAG_CUSTOM_ACTION               /* 0x40000000 */ (1 << 30)
 #define ACT_FLAG_THROWING                    /* 0x80000000 */ (1 << 31)
+#define ACT_FLAG_FLYING                      (ACT_FLAG_AIR | ACT_FLAG_DIVING | ACT_FLAG_ATTACKING | ACT_FLAG_SWIMMING_OR_FLYING)
 
 #define ACT_UNINITIALIZED              0x00000000 // (0x000)
 

src/game/behaviors/blue_coin.inc.c

@@ -136,7 +136,7 @@ void bhv_blue_coin_switch_loop(void) {
             // If Mario is on the switch and has ground-pounded,
             // recede and get ready to start ticking.
             if (gMarioObject->platform == o) {
-                if (gMarioStates[0].action == ACT_GROUND_POUND_LAND) {
+                if (determine_interaction(&gMarioStates[0], o) & INT_GROUND_POUND) {
                     // Set to BLUE_COIN_SWITCH_ACT_RECEDING
                     o->oAction++;
 

src/game/behaviors/thi_top.inc.c

@@ -31,7 +31,7 @@ void bhv_thi_tiny_island_top_loop(void) {
     if (!(gTHIWaterDrained & 1)) {
         if (o->oAction == 0) {
             if (distanceToPlayer < 500.0f)
-                if (marioState && marioState->action == ACT_GROUND_POUND_LAND) {
+                if (marioState && !(marioState->action & ACT_FLAG_AIR) && (determine_interaction(marioState, o) & INT_GROUND_POUND) != 0) {
                     o->oAction++;
                     cur_obj_spawn_particles(&D_8032F134);
                     spawn_triangle_break_particles(20, 138, 0.3f, 3);

src/game/bettercamera.inc.h

@@ -463,8 +463,8 @@ static void newcam_update_values(void) {
         }
     }
 
-    switch (gMarioStates[0].action) {
+    if ((gMarioStates[0].action & ACT_FLAG_FLYING) == ACT_FLAG_FLYING) {
-        case ACT_FLYING: centering = 1; break;
+        centering = 1;
     }
 
     static u32 sLastAction = 0;

src/game/interaction.c

@@ -33,31 +33,6 @@
 #include "pc/lua/smlua_hooks.h"
 #include "pc/cheats.h"
 
-enum InteractionFlag {
-    INT_GROUND_POUND_OR_TWIRL      = (1 << 0), // 0x01
-    INT_PUNCH                      = (1 << 1), // 0x02
-    INT_KICK                       = (1 << 2), // 0x04
-    INT_TRIP                       = (1 << 3), // 0x08
-    INT_SLIDE_KICK                 = (1 << 4), // 0x10
-    INT_FAST_ATTACK_OR_SHELL       = (1 << 5), // 0x20
-    INT_HIT_FROM_ABOVE             = (1 << 6), // 0x40
-    INT_HIT_FROM_BELOW             = (1 << 7), // 0x80
-};
-
-#define INT_ATTACK_NOT_FROM_BELOW                                                 \
-    (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK \
-     | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE)
-
-#define INT_ANY_ATTACK                                                            \
-    (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK \
-     | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE | INT_HIT_FROM_BELOW)
-
-#define INT_ATTACK_NOT_WEAK_FROM_ABOVE                                                \
-    (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_HIT_FROM_BELOW)
-
-#define INT_ATTACK_SLIDE                                                              \
-    (INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL)
-
 u8 sDelayInvincTimer;
 s16 gInteractionInvulnerable;
 u32 interact_coin(struct MarioState *, u32, struct Object *);
@@ -208,7 +183,7 @@ static u32 determine_interaction_internal(struct MarioState *m, struct Object *o
     }
 
     if (interaction == 0 && action & ACT_FLAG_ATTACKING) {
-        if (action == ACT_PUNCHING || action == ACT_MOVE_PUNCHING || action == ACT_JUMP_KICK) {
+        if (m->flags & (MARIO_PUNCHING | MARIO_KICKING | MARIO_TRIPPING)) {
             s16 dYawToObject = mario_obj_angle_to_object(m, o) - m->faceAngle[1];
 
             if (m->flags & MARIO_PUNCHING) {
@@ -230,17 +205,29 @@ static u32 determine_interaction_internal(struct MarioState *m, struct Object *o
                 }
             }
 
-        } else if (action == ACT_GROUND_POUND || action == ACT_TWIRLING) {
+        } else if (action == ACT_GROUND_POUND) {
             if (m->vel[1] < 0.0f) {
-                interaction = INT_GROUND_POUND_OR_TWIRL;
+                interaction = INT_GROUND_POUND;
             }
-        } else if (action == ACT_GROUND_POUND_LAND || action == ACT_TWIRL_LAND) {
+        } else if (action == ACT_TWIRLING) {
+            if (m->vel[1] < 0.0f) {
+                interaction = INT_TWIRL;
+            }
+        } else if (action == ACT_GROUND_POUND_LAND) {
             // Neither ground pounding nor twirling change Mario's vertical speed on landing.,
             // so the speed check is nearly always true (perhaps not if you land while going upwards?)
             // Additionally, actionState it set on each first thing in their action, so this is
             // only true prior to the very first frame (i.e. active 1 frame prior to it run).
             if (m->vel[1] < 0.0f && m->actionState == 0) {
-                interaction = INT_GROUND_POUND_OR_TWIRL;
+                interaction = INT_GROUND_POUND;
+            }
+        } else if (action == ACT_TWIRL_LAND) {
+            // Neither ground pounding nor twirling change Mario's vertical speed on landing.,
+            // so the speed check is nearly always true (perhaps not if you land while going upwards?)
+            // Additionally, actionState it set on each first thing in their action, so this is
+            // only true prior to the very first frame (i.e. active 1 frame prior to it run).
+            if (m->vel[1] < 0.0f && m->actionState == 0) {
+                interaction = INT_TWIRL;
             }
         } else if (action == ACT_SLIDE_KICK || action == ACT_SLIDE_KICK_SLIDE) {
             interaction = INT_SLIDE_KICK;
@@ -284,6 +271,8 @@ u32 attack_object(struct Object *o, s32 interaction) {
     u32 attackType = 0;
 
     switch (interaction) {
+        case INT_GROUND_POUND:
+        case INT_TWIRL:
         case INT_GROUND_POUND_OR_TWIRL:
             attackType = ATTACK_GROUND_POUND_OR_TWIRL;
             break;

src/game/interaction.h

@@ -40,6 +40,24 @@ enum InteractionType {
     INTERACT_PLAYER         = /* 0x80000000 */ (1 << 31),
 };
 
+enum InteractionFlag {
+    INT_GROUND_POUND          = /* 0x00000001 */ (1 << 0),
+    INT_PUNCH                 = /* 0x00000002 */ (1 << 1),
+    INT_KICK                  = /* 0x00000004 */ (1 << 2),
+    INT_TRIP                  = /* 0x00000008 */ (1 << 3),
+    INT_SLIDE_KICK            = /* 0x00000010 */ (1 << 4),
+    INT_FAST_ATTACK_OR_SHELL  = /* 0x00000020 */ (1 << 5),
+    INT_HIT_FROM_ABOVE        = /* 0x00000040 */ (1 << 6),
+    INT_HIT_FROM_BELOW        = /* 0x00000080 */ (1 << 7),
+    INT_TWIRL                 = /* 0x00000100 */ (1 << 8),
+    INT_GROUND_POUND_OR_TWIRL = (INT_GROUND_POUND | INT_TWIRL),
+};
+
+#define INT_ATTACK_NOT_FROM_BELOW       (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE)
+#define INT_ANY_ATTACK                  (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE | INT_HIT_FROM_BELOW)
+#define INT_ATTACK_NOT_WEAK_FROM_ABOVE  (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_HIT_FROM_BELOW)
+#define INT_ATTACK_SLIDE                (INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL)
+
 // INTERACT_WARP
 #define INT_SUBTYPE_FADING_WARP 0x00000001
 
@@ -119,5 +137,6 @@ void mario_handle_special_floors(struct MarioState *m);
 u8 passes_pvp_interaction_checks(struct MarioState* attacker, struct MarioState* victim);
 u32 take_damage_and_knock_back(struct MarioState *m, struct Object *o);
 u32 interact_damage(struct MarioState *m, UNUSED u32 interactType, struct Object *o);
+u32 determine_interaction(struct MarioState *m, struct Object *o);
 
 #endif // INTERACTION_H

src/game/object_helpers.c

@@ -2533,7 +2533,7 @@ s32 cur_obj_is_mario_ground_pounding_platform(void) {
     for (s32 i = 0; i < MAX_PLAYERS; i++) {
         if (!is_player_active(&gMarioStates[i])) { continue; }
         if (gMarioStates[i].marioObj->platform == o) {
-            if (gMarioStates[i].action == ACT_GROUND_POUND_LAND) {
+            if (determine_interaction(&gMarioStates[i], o) & INT_GROUND_POUND) {
                 return TRUE;
             }
         }

src/pc/lua/smlua_constants_autogen.c

@@ -1344,18 +1344,6 @@ char gSmluaConstants[] = ""
 "GEO_CONTEXT_AREA_LOAD = 3\n"
 "GEO_CONTEXT_AREA_INIT = 4\n"
 "GEO_CONTEXT_HELD_OBJ = 5\n"
-"INT_GROUND_POUND_OR_TWIRL = (1 << 0)\n"
-"INT_PUNCH = (1 << 1)\n"
-"INT_KICK = (1 << 2)\n"
-"INT_TRIP = (1 << 3)\n"
-"INT_SLIDE_KICK = (1 << 4)\n"
-"INT_FAST_ATTACK_OR_SHELL = (1 << 5)\n"
-"INT_HIT_FROM_ABOVE = (1 << 6)\n"
-"INT_HIT_FROM_BELOW = (1 << 7)\n"
-"INT_ATTACK_NOT_FROM_BELOW = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE)\n"
-"INT_ANY_ATTACK = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE | INT_HIT_FROM_BELOW)\n"
-"INT_ATTACK_NOT_WEAK_FROM_ABOVE = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_HIT_FROM_BELOW)\n"
-"INT_ATTACK_SLIDE = (INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL)\n"
 "INTERACT_HOOT = (1 << 0)\n"
 "INTERACT_GRABBABLE = (1 << 1)\n"
 "INTERACT_DOOR = (1 << 2)\n"
@@ -1388,6 +1376,20 @@ char gSmluaConstants[] = ""
 "INTERACT_SHOCK = (1 << 29)\n"
 "INTERACT_IGLOO_BARRIER = (1 << 30)\n"
 "INTERACT_PLAYER = (1 << 31)\n"
+"INT_GROUND_POUND = (1 << 0)\n"
+"INT_PUNCH = (1 << 1)\n"
+"INT_KICK = (1 << 2)\n"
+"INT_TRIP = (1 << 3)\n"
+"INT_SLIDE_KICK = (1 << 4)\n"
+"INT_FAST_ATTACK_OR_SHELL = (1 << 5)\n"
+"INT_HIT_FROM_ABOVE = (1 << 6)\n"
+"INT_HIT_FROM_BELOW = (1 << 7)\n"
+"INT_TWIRL = (1 << 8)\n"
+"INT_GROUND_POUND_OR_TWIRL = (INT_GROUND_POUND | INT_TWIRL)\n"
+"INT_ATTACK_NOT_FROM_BELOW = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE)\n"
+"INT_ANY_ATTACK = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL | INT_HIT_FROM_ABOVE | INT_HIT_FROM_BELOW)\n"
+"INT_ATTACK_NOT_WEAK_FROM_ABOVE = (INT_GROUND_POUND_OR_TWIRL | INT_PUNCH | INT_KICK | INT_TRIP | INT_HIT_FROM_BELOW)\n"
+"INT_ATTACK_SLIDE = (INT_SLIDE_KICK | INT_FAST_ATTACK_OR_SHELL)\n"
 "INT_SUBTYPE_FADING_WARP = 0x00000001\n"
 "INT_SUBTYPE_DELAY_INVINCIBILITY = 0x00000002\n"
 "INT_SUBTYPE_BIG_KNOCKBACK = 0x00000008\n"
@@ -2658,6 +2660,7 @@ char gSmluaConstants[] = ""
 "ACT_FLAG_WATER_OR_TEXT = (1 << 29)\n"
 "ACT_FLAG_CUSTOM_ACTION = (1 << 30)\n"
 "ACT_FLAG_THROWING = (1 << 31)\n"
+"ACT_FLAG_FLYING = (ACT_FLAG_AIR | ACT_FLAG_DIVING | ACT_FLAG_ATTACKING | ACT_FLAG_SWIMMING_OR_FLYING)\n"
 "ACT_UNINITIALIZED = 0x00000000\n"
 "ACT_IDLE = 0x0C400201\n"
 "ACT_START_SLEEPING = 0x0C400202\n"

src/pc/lua/smlua_functions_autogen.c

@@ -12425,6 +12425,25 @@ int smlua_func_stop_sounds_in_continuous_banks(UNUSED lua_State* L) {
  // interaction.h //
 ///////////////////
 
+int smlua_func_determine_interaction(lua_State* L) {
+    if (L == NULL) { return 0; }
+
+    int top = lua_gettop(L);
+    if (top != 2) {
+        LOG_LUA_LINE("Improper param count for '%s': Expected %u, Received %u", "determine_interaction", 2, top);
+        return 0;
+    }
+
+    struct MarioState* m = (struct MarioState*)smlua_to_cobject(L, 1, LOT_MARIOSTATE);
+    if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 1, "determine_interaction"); return 0; }
+    struct Object* o = (struct Object*)smlua_to_cobject(L, 2, LOT_OBJECT);
+    if (!gSmLuaConvertSuccess) { LOG_LUA("Failed to convert parameter %u for function '%s'", 2, "determine_interaction"); return 0; }
+
+    lua_pushinteger(L, determine_interaction(m, o));
+
+    return 1;
+}
+
 int smlua_func_does_mario_have_normal_cap_on_head(lua_State* L) {
     if (L == NULL) { return 0; }
 
@@ -30163,6 +30182,7 @@ void smlua_bind_functions_autogen(void) {
     smlua_bind_function(L, "stop_sounds_in_continuous_banks", smlua_func_stop_sounds_in_continuous_banks);
 
     // interaction.h
+    smlua_bind_function(L, "determine_interaction", smlua_func_determine_interaction);
     smlua_bind_function(L, "does_mario_have_normal_cap_on_head", smlua_func_does_mario_have_normal_cap_on_head);
     smlua_bind_function(L, "get_door_save_file_flag", smlua_func_get_door_save_file_flag);
     smlua_bind_function(L, "interact_damage", smlua_func_interact_damage);