Lua: moved hook functions into their own file

build-windows-visual-studio/sm64ex.vcxproj

@@ -512,6 +512,7 @@
     <ClCompile Include="..\src\pc\lua\smlua_cobject.c" />
     <ClCompile Include="..\src\pc\lua\smlua_functions.c" />
     <ClCompile Include="..\src\pc\lua\smlua_functions_autogen.c" />
+    <ClCompile Include="..\src\pc\lua\smlua_hooks.c" />
     <ClCompile Include="..\src\pc\lua\smlua_utils.c" />
     <ClCompile Include="..\src\pc\mixer.c" />
     <ClCompile Include="..\src\pc\network\discord\activity.c" />
@@ -958,6 +959,7 @@
     <ClInclude Include="..\src\pc\lua\smlua_cobject.h" />
     <ClInclude Include="..\src\pc\lua\smlua_functions.h" />
     <ClInclude Include="..\src\pc\lua\smlua_functions_autogen.h" />
+    <ClInclude Include="..\src\pc\lua\smlua_hooks.h" />
     <ClInclude Include="..\src\pc\lua\smlua_utils.h" />
     <ClInclude Include="..\src\pc\network\branch.h" />
     <ClInclude Include="..\src\pc\network\discord\activity.h" />

build-windows-visual-studio/sm64ex.vcxproj.filters

@@ -4833,6 +4833,9 @@
     <ClCompile Include="..\src\game\level_info.c">
       <Filter>Source Files\src\game</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\pc\lua\smlua_hooks.c">
+      <Filter>Source Files\src\pc\lua</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\actors\common0.h">
@@ -5956,5 +5959,8 @@
     <ClInclude Include="..\src\game\level_info.h">
       <Filter>Source Files\src\game</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\pc\lua\smlua_hooks.h">
+      <Filter>Source Files\src\pc\lua</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

src/pc/lua/smlua.c

@@ -2,135 +2,6 @@
 
 lua_State* gLuaState = NULL;
 
-  ///////////////////
- // hooked events //
-///////////////////
-
-#define MAX_HOOKED_REFERENCES 64
-
-struct LuaHookedEvent {
-    int reference[MAX_HOOKED_REFERENCES];
-    int count;
-};
-
-static struct LuaHookedEvent sHookedEvents[HOOK_MAX] = { 0 };
-
-int smlua_hook_event(lua_State* L) {
-    u16 hookType = lua_tointeger(L, -2);
-    if (hookType >= HOOK_MAX) {
-        LOG_LUA("LUA: Hook Type: %d exceeds max!", hookType);
-        return 0;
-    }
-
-    struct LuaHookedEvent* hook = &sHookedEvents[hookType];
-    if (hook->count >= MAX_HOOKED_REFERENCES) {
-        LOG_LUA("LUA: Hook Type: %d exceeded maximum references!", hookType);
-        return 0;
-    }
-
-    hook->reference[hook->count] = luaL_ref(L, LUA_REGISTRYINDEX);
-    hook->count++;
-    return 1;
-}
-
-void smlua_call_event_hooks(enum LuaHookedEventType hookType) {
-    lua_State* L = gLuaState;
-    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]);
-
-        // call the callback
-        if (0 != lua_pcall(L, 0, 0, 0)) {
-            LOG_LUA("LUA: Failed to call the callback: %s", lua_tostring(L, -1));
-            continue;
-        }
-    }
-}
-
-void smlua_call_event_hooks_mario_param(enum LuaHookedEventType hookType, struct MarioState* m) {
-    lua_State* L = gLuaState;
-    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 mario state
-        lua_getglobal(L, "gMarioStates");
-        lua_pushinteger(L, m->playerIndex);
-        lua_gettable(L, -2);
-        lua_remove(L, -2);
-
-        // call the callback
-        if (0 != lua_pcall(L, 1, 0, 0)) {
-            LOG_LUA("LUA: Failed to call the callback: %s", lua_tostring(L, -1));
-            continue;
-        }
-    }
-}
-
-  ////////////////////
- // hooked actions //
-////////////////////
-
-struct LuaHookedMarioAction {
-    u32 action;
-    int reference;
-};
-
-#define MAX_HOOKED_ACTIONS 64
-
-static struct LuaHookedMarioAction sHookedMarioActions[MAX_HOOKED_ACTIONS] = { 0 };
-static int sHookedMarioActionsCount = 0;
-
-int smlua_hook_mario_action(lua_State* L) {
-    if (sHookedMarioActionsCount >= MAX_HOOKED_ACTIONS) {
-        LOG_LUA("LUA: Hooked mario actions exceeded maximum references!");
-        return 0;
-    }
-
-    struct LuaHookedMarioAction* hooked = &sHookedMarioActions[sHookedMarioActionsCount];
-    hooked->action = lua_tointeger(L, -2);
-    hooked->reference = luaL_ref(L, LUA_REGISTRYINDEX);
-
-    sHookedMarioActionsCount++;
-    return 1;
-}
-
-bool smlua_call_action_hook(struct MarioState* m, s32* returnValue) {
-    lua_State* L = gLuaState;
-    for (int i = 0; i < sHookedMarioActionsCount; i++) {
-        if (sHookedMarioActions[i].action == m->action) {
-            // push the callback onto the stack
-            lua_rawgeti(L, LUA_REGISTRYINDEX, sHookedMarioActions[i].reference);
-
-            // push mario state
-            lua_getglobal(L, "gMarioStates");
-            lua_pushinteger(L, m->playerIndex);
-            lua_gettable(L, -2);
-            lua_remove(L, -2);
-            
-            // call the callback
-            if (0 != lua_pcall(L, 1, 1, 0)) {
-                LOG_LUA("LUA: Failed to call the callback: %s", lua_tostring(L, -1));
-                continue;
-            }
-
-            // output the return value
-            *returnValue = lua_tointeger(L, -1);
-            lua_pop(L, 1);
-
-            return true;
-        }
-    }
-
-    return false;
-}
-
-  //////////
- // main //
-//////////
-
 static void smlua_execfile(char* path) {
     lua_State* L = gLuaState;
     if (luaL_dofile(L, path) != LUA_OK) {
@@ -168,12 +39,7 @@ void smlua_init(void) {
     luaL_requiref(L, "table", luaopen_table, 1);
     //luaopen_utf8(L);
 
-    lua_pushcfunction(L, smlua_hook_event);
-    lua_setglobal(L, "hook_event");
-
-    lua_pushcfunction(L, smlua_hook_mario_action);
-    lua_setglobal(L, "hook_mario_action");
-
+    smlua_bind_hooks();
     smlua_bind_cobject();
     smlua_bind_functions();
     smlua_bind_functions_autogen();
@@ -190,18 +56,4 @@ void smlua_update(void) {
 void smlua_shutdown(void) {
     lua_State* L = gLuaState;
     lua_close(L);
-
-    for (int i = 0; i < HOOK_MAX; i++) {
-        for (int j = 0; j < sHookedEvents[i].count; j++) {
-            sHookedEvents[i].reference[j] = 0;
-        }
-        sHookedEvents[i].count = 0;
-    }
-
-    for (int i = 0; i < sHookedMarioActionsCount; i++) {
-        sHookedMarioActions[i].action = 0;
-        sHookedMarioActions[i].reference = 0;
-    }
-    sHookedMarioActionsCount = 0;
-
 }

src/pc/lua/smlua.h

@@ -11,25 +11,14 @@
 #include "smlua_utils.h"
 #include "smlua_functions.h"
 #include "smlua_functions_autogen.h"
+#include "smlua_hooks.h"
 
 #include "pc/debuglog.h"
 
 #define LOG_LUA LOG_INFO
 
-enum LuaHookedEventType {
-    HOOK_UPDATE,
-    HOOK_MARIO_UPDATE,
-    HOOK_BEFORE_MARIO_UPDATE,
-    HOOK_MAX,
-};
-
 extern lua_State* gLuaState;
 
-void smlua_call_event_hooks(enum LuaHookedEventType hookType);
-void smlua_call_event_hooks_mario_param(enum LuaHookedEventType hookType, struct MarioState* m);
-
-bool smlua_call_action_hook(struct MarioState* m, s32* returnValue);
-
 void smlua_init(void);
 void smlua_update(void);
 void smlua_shutdown(void);

src/pc/lua/smlua_cobject.c

@@ -388,10 +388,7 @@ static int smlua__set_field(lua_State* L) {
 void smlua_bind_cobject(void) {
     lua_State* L = gLuaState;
 
-    lua_pushcfunction(L, smlua__get_field);
-    lua_setglobal(L, "_get_field");
-
-    lua_pushcfunction(L, smlua__set_field);
-    lua_setglobal(L, "_set_field");
+    smlua_bind_function(L, "_get_field", smlua__get_field);
+    smlua_bind_function(L, "_set_field", smlua__set_field);
 
 }

src/pc/lua/smlua_hooks.c

@@ -0,0 +1,150 @@
+#include "smlua.h"
+
+#define MAX_HOOKED_REFERENCES 64
+
+struct LuaHookedEvent {
+    int reference[MAX_HOOKED_REFERENCES];
+    int count;
+};
+
+static struct LuaHookedEvent sHookedEvents[HOOK_MAX] = { 0 };
+
+int smlua_hook_event(lua_State* L) {
+    u16 hookType = lua_tointeger(L, -2);
+    if (hookType >= HOOK_MAX) {
+        LOG_LUA("LUA: Hook Type: %d exceeds max!", hookType);
+        return 0;
+    }
+
+    struct LuaHookedEvent* hook = &sHookedEvents[hookType];
+    if (hook->count >= MAX_HOOKED_REFERENCES) {
+        LOG_LUA("LUA: Hook Type: %d exceeded maximum references!", hookType);
+        return 0;
+    }
+
+    hook->reference[hook->count] = luaL_ref(L, LUA_REGISTRYINDEX);
+    hook->count++;
+    return 1;
+}
+
+void smlua_call_event_hooks(enum LuaHookedEventType hookType) {
+    lua_State* L = gLuaState;
+    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]);
+
+        // call the callback
+        if (0 != lua_pcall(L, 0, 0, 0)) {
+            LOG_LUA("LUA: Failed to call the callback: %s", lua_tostring(L, -1));
+            continue;
+        }
+    }
+}
+
+void smlua_call_event_hooks_mario_param(enum LuaHookedEventType hookType, struct MarioState* m) {
+    lua_State* L = gLuaState;
+    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 mario state
+        lua_getglobal(L, "gMarioStates");
+        lua_pushinteger(L, m->playerIndex);
+        lua_gettable(L, -2);
+        lua_remove(L, -2);
+
+        // call the callback
+        if (0 != lua_pcall(L, 1, 0, 0)) {
+            LOG_LUA("LUA: Failed to call the callback: %s", lua_tostring(L, -1));
+            continue;
+        }
+    }
+}
+
+  ////////////////////
+ // hooked actions //
+////////////////////
+
+struct LuaHookedMarioAction {
+    u32 action;
+    int reference;
+};
+
+#define MAX_HOOKED_ACTIONS 64
+
+static struct LuaHookedMarioAction sHookedMarioActions[MAX_HOOKED_ACTIONS] = { 0 };
+static int sHookedMarioActionsCount = 0;
+
+int smlua_hook_mario_action(lua_State* L) {
+    if (sHookedMarioActionsCount >= MAX_HOOKED_ACTIONS) {
+        LOG_LUA("LUA: Hooked mario actions exceeded maximum references!");
+        return 0;
+    }
+
+    struct LuaHookedMarioAction* hooked = &sHookedMarioActions[sHookedMarioActionsCount];
+    hooked->action = lua_tointeger(L, -2);
+    hooked->reference = luaL_ref(L, LUA_REGISTRYINDEX);
+
+    sHookedMarioActionsCount++;
+    return 1;
+}
+
+bool smlua_call_action_hook(struct MarioState* m, s32* returnValue) {
+    lua_State* L = gLuaState;
+    for (int i = 0; i < sHookedMarioActionsCount; i++) {
+        if (sHookedMarioActions[i].action == m->action) {
+            // push the callback onto the stack
+            lua_rawgeti(L, LUA_REGISTRYINDEX, sHookedMarioActions[i].reference);
+
+            // push mario state
+            lua_getglobal(L, "gMarioStates");
+            lua_pushinteger(L, m->playerIndex);
+            lua_gettable(L, -2);
+            lua_remove(L, -2);
+            
+            // call the callback
+            if (0 != lua_pcall(L, 1, 1, 0)) {
+                LOG_LUA("LUA: Failed to call the callback: %s", lua_tostring(L, -1));
+                continue;
+            }
+
+            // output the return value
+            *returnValue = lua_tointeger(L, -1);
+            lua_pop(L, 1);
+
+            return true;
+        }
+    }
+
+    return false;
+}
+
+  //////////
+ // misc //
+//////////
+
+static void smlua_clear_hooks(void) {
+    for (int i = 0; i < HOOK_MAX; i++) {
+        for (int j = 0; j < sHookedEvents[i].count; j++) {
+            sHookedEvents[i].reference[j] = 0;
+        }
+        sHookedEvents[i].count = 0;
+    }
+
+    for (int i = 0; i < sHookedMarioActionsCount; i++) {
+        sHookedMarioActions[i].action = 0;
+        sHookedMarioActions[i].reference = 0;
+    }
+    sHookedMarioActionsCount = 0;
+}
+
+void smlua_bind_hooks(void) {
+    lua_State* L = gLuaState;
+    smlua_clear_hooks();
+
+    smlua_bind_function(L, "hook_event", smlua_hook_event);
+    smlua_bind_function(L, "hook_mario_action", smlua_hook_mario_action);
+
+}

src/pc/lua/smlua_hooks.h

@@ -0,0 +1,19 @@
+#ifndef SMLUA_HOOKS_H
+#define SMLUA_HOOKS_H
+
+#include <stdbool.h>
+
+enum LuaHookedEventType {
+    HOOK_UPDATE,
+    HOOK_MARIO_UPDATE,
+    HOOK_BEFORE_MARIO_UPDATE,
+    HOOK_MAX,
+};
+
+void smlua_call_event_hooks(enum LuaHookedEventType hookType);
+void smlua_call_event_hooks_mario_param(enum LuaHookedEventType hookType, struct MarioState* m);
+bool smlua_call_action_hook(struct MarioState* m, s32* returnValue);
+
+void smlua_bind_hooks(void);
+
+#endif