added HOOK_MIRROR_MARIO_RENDER to Lua (#514)

* added HOOK_MIRROR_MARIO_RENDER to Lua

Previously there was no way to interact with mirror Mario using the Lua api, so this fixes that.

* remove premature optimisation

* revert that

autogen/lua_definitions/constants.lua

@@ -9026,7 +9026,10 @@ HOOK_ON_DIALOG = 33
 HOOK_ON_HUD_RENDER_BEHIND = 34
 
 --- @type LuaHookedEventType
-HOOK_MAX = 35
+HOOK_MIRROR_MARIO_RENDER = 35
+
+--- @type LuaHookedEventType
+HOOK_MAX = 36
 
 --- @class HudDisplayFlags
 

docs/lua/constants.md

@@ -3207,7 +3207,8 @@
 | HOOK_ON_OBJECT_ANIM_UPDATE | 32 |
 | HOOK_ON_DIALOG | 33 |
 | HOOK_ON_HUD_RENDER_BEHIND | 34 |
-| HOOK_MAX | 35 |
+| HOOK_MIRROR_MARIO_RENDER | 35 |
+| HOOK_MAX | 36 |
 
 [:arrow_up_small:](#)
 

docs/lua/guides/hooks.md

@@ -121,6 +121,7 @@ The lua functions sent to `hook_event()` will be automatically called by SM64 wh
 | HOOK_BEFORE_SET_MARIO_ACTION | Called before Mario's action changes. Return an action to change the incoming action or `1` to cancel the action change. | [MarioState](structs.md#MarioState) mario, `integer` incomingAction |
 | HOOK_ON_OBJECT_ANIM_UPDATE | Called when an object's animation is updated. | [Object](structs.md#Object) objNode |
 | HOOK_ON_DIALOG | Called when a dialog appears. Return `false` to prevent it from appearing. | `integer` dialogId |
+| HOOK_MIRROR_MARIO_RENDER | Called when a Mirror Mario is rendered. | [GraphNodeObject](structs.md#GraphNodeObject) mirrorMario | `integer` mirrorMarioIndex |
 
 ### Parameters
 

src/game/mario_misc.c

@@ -25,6 +25,7 @@
 #include "hardcoded.h"
 #include "sound_init.h"
 #include "pc/network/network.h"
+#include "pc/lua/smlua_hooks.h"
 
 #define TOAD_STAR_1_REQUIREMENT gBehaviorValues.ToadStar1Requirement
 #define TOAD_STAR_2_REQUIREMENT gBehaviorValues.ToadStar2Requirement
@@ -704,6 +705,8 @@ Gfx* geo_render_mirror_mario(s32 callContext, struct GraphNode* node, UNUSED Mat
                     gMirrorMario[i].scale[0] *= -1.0f;
                     // TODO: does rendering the mirror room still crash?
                     gMirrorMario[i].node.flags |= GRAPH_RENDER_ACTIVE;
+
+                    smlua_call_event_hooks_graph_node_object_and_int_param(HOOK_MIRROR_MARIO_RENDER, &gMirrorMario[i], i);
                 } else {
                     gMirrorMario[i].node.flags &= ~GRAPH_RENDER_ACTIVE;
                 }

src/pc/lua/smlua_cobject.c

@@ -602,45 +602,33 @@ void smlua_cobject_init_globals(void) {
         lua_setglobal(L, "gCharacters");
     }
 
-    {
-        smlua_push_object(L, LOT_GLOBALTEXTURES, &gGlobalTextures);
-        lua_setglobal(L, "gTextures");
-    }
+#define EXPOSE_GLOBAL(lot, ptr) \
+    { \
+        smlua_push_object(L, lot, &ptr); \
+        lua_setglobal(L, #ptr); \
+    } \
 
-    {
-        smlua_push_object(L, LOT_GLOBALOBJECTANIMATIONS, &gGlobalObjectAnimations);
-        lua_setglobal(L, "gObjectAnimations");
-    }
+#define EXPOSE_GLOBAL_WITH_NAME(lot, ptr, name) \
+    { \
+        smlua_push_object(L, lot, &ptr); \
+        lua_setglobal(L, name); \
+    } \
 
-    {
-        smlua_push_object(L, LOT_GLOBALOBJECTCOLLISIONDATA, &gGlobalObjectCollisionData);
-        lua_setglobal(L, "gGlobalObjectCollisionData");
-    }
+    EXPOSE_GLOBAL_WITH_NAME(LOT_GLOBALTEXTURES, gGlobalTextures, "gTextures");
 
-    {
-        smlua_push_object(L, LOT_LAKITUSTATE, &gLakituState);
-        lua_setglobal(L, "gLakituState");
-    }
+    EXPOSE_GLOBAL_WITH_NAME(LOT_GLOBALOBJECTANIMATIONS, gGlobalObjectAnimations, "gObjectAnimations");
 
-    {
-        smlua_push_object(L, LOT_SERVERSETTINGS, &gServerSettings);
-        lua_setglobal(L, "gServerSettings");
-    }
+    EXPOSE_GLOBAL(LOT_GLOBALOBJECTCOLLISIONDATA, gGlobalObjectCollisionData);
 
-    {
-        smlua_push_object(L, LOT_LEVELVALUES, &gLevelValues);
-        lua_setglobal(L, "gLevelValues");
-    }
+    EXPOSE_GLOBAL(LOT_LAKITUSTATE, gLakituState);
 
-    {
-        smlua_push_object(L, LOT_BEHAVIORVALUES, &gBehaviorValues);
-        lua_setglobal(L, "gBehaviorValues");
-    }
+    EXPOSE_GLOBAL(LOT_SERVERSETTINGS, gServerSettings);
 
-    {
-        smlua_push_object(L, LOT_PAINTINGVALUES, &gPaintingValues);
-        lua_setglobal(L, "gPaintingValues");
-    }
+    EXPOSE_GLOBAL(LOT_LEVELVALUES, gLevelValues);
+
+    EXPOSE_GLOBAL(LOT_BEHAVIORVALUES, gBehaviorValues);
+
+    EXPOSE_GLOBAL(LOT_PAINTINGVALUES, gPaintingValues);
 }
 
 void smlua_cobject_init_per_file_globals(const char* path) {

src/pc/lua/smlua_constants_autogen.c

@@ -3238,7 +3238,8 @@ char gSmluaConstants[] = ""
 "HOOK_ON_OBJECT_ANIM_UPDATE = 32\n"
 "HOOK_ON_DIALOG = 33\n"
 "HOOK_ON_HUD_RENDER_BEHIND = 34\n"
-"HOOK_MAX = 35\n"
+"HOOK_MIRROR_MARIO_RENDER = 35\n"
+"HOOK_MAX = 36\n"
 "ACTION_HOOK_EVERY_FRAME = 0\n"
 "ACTION_HOOK_GRAVITY = 1\n"
 "ACTION_HOOK_MAX = 2\n"

src/pc/lua/smlua_hooks.c

@@ -891,6 +891,28 @@ bool smlua_call_event_hooks_mario_param_and_int_and_int_ret_int(enum LuaHookedEv
     return false;
 }
 
+void smlua_call_event_hooks_graph_node_object_and_int_param(enum LuaHookedEventType hookType, struct GraphNodeObject* node, s32 param) {
+    lua_State* L = gLuaState;
+    if (L == NULL) { return; }
+    struct LuaHookedEvent* hook = &sHookedEvents[hookType];
+    for (int i = 0; i < hook->count; i++) {
+        // push the callback onto the stack
+        lua_rawgeti(L, LUA_REGISTRYINDEX, hook->reference[i]);
+
+        // push graph node object
+        smlua_push_object(L, LOT_GRAPHNODEOBJECT, node);
+
+        // push param
+        lua_pushinteger(L, param);
+
+        // call the callback
+        if (0 != smlua_call_hook(L, 2, 0, 0, hook->mod[i])) {
+            LOG_LUA("Failed to call the callback: %u", hookType);
+            continue;
+        }
+    }
+}
+
   ////////////////////
  // hooked actions //
 ////////////////////
@@ -1529,7 +1551,7 @@ s32 sort_alphabetically(const void *a, const void *b) {
 }
 
 char** smlua_get_chat_player_list(void) {
-    char* playerNames[MAX_PLAYERS] = { NULL }; 
+    char* playerNames[MAX_PLAYERS] = { NULL };
     s32 playerCount = 0;
 
     for (s32 i = 0; i < MAX_PLAYERS; i++) {
@@ -1642,7 +1664,7 @@ bool smlua_maincommand_exists(const char* maincommand) {
         free(commands[j]);
     }
     free(commands);
-    
+
     return result;
 }
 
@@ -1667,7 +1689,7 @@ bool smlua_subcommand_exists(const char* maincommand, const char* subcommand) {
         free(subcommands[j]);
     }
     free(subcommands);
-    
+
     return result;
 }
 

src/pc/lua/smlua_hooks.h

@@ -46,6 +46,7 @@ enum LuaHookedEventType {
     HOOK_ON_OBJECT_ANIM_UPDATE,
     HOOK_ON_DIALOG,
     HOOK_ON_HUD_RENDER_BEHIND,
+    HOOK_MIRROR_MARIO_RENDER,
     HOOK_MAX,
 };
 
@@ -85,6 +86,7 @@ static const char* LuaHookedEventTypeName[] = {
     "HOOK_ON_OBJECT_ANIM_UPDATE",
     "HOOK_ON_DIALOG",
     "HOOK_ON_HUD_RENDER_BEHIND",
+    "HOOK_MIRROR_MARIO_RENDER",
     "HOOK_MAX"
 };
 
@@ -129,6 +131,7 @@ void smlua_call_event_hooks_mario_action_params_ret_int(enum LuaHookedEventType
 void smlua_call_event_hooks_mario_param_and_int_ret_bool(enum LuaHookedEventType hookType, struct MarioState* m, s32 param, bool* returnValue);
 bool smlua_call_event_hooks_mario_param_and_int_ret_int(enum LuaHookedEventType hookType, struct MarioState* m, s32 param, s32* returnValue);
 bool smlua_call_event_hooks_mario_param_and_int_and_int_ret_int(enum LuaHookedEventType hookType, struct MarioState* m, s32 param, u32 args, s32* returnValue);
+void smlua_call_event_hooks_graph_node_object_and_int_param(enum LuaHookedEventType hookType, struct GraphNodeObject* node, s32 param);
 
 enum BehaviorId smlua_get_original_behavior_id(const BehaviorScript* behavior);
 const BehaviorScript* smlua_override_behavior(const BehaviorScript* behavior);