ovl_Elf_Msg decompiled (#880)

* ovl_Elf_Msg decompiled

* pr review

* ELFMSG_GET_SWITCHFLAG

2 files changed, 120 insertions, 26 deletions

diff --git a/src/overlays/actors/ovl_Elf_Msg/z_elf_msg.c b/src/overlays/actors/ovl_Elf_Msg/z_elf_msg.c
index 5cd49cbb8..2dc6f934b 100644
--- a/src/overlays/actors/ovl_Elf_Msg/z_elf_msg.c
+++ b/src/overlays/actors/ovl_Elf_Msg/z_elf_msg.c
@@ -5,6 +5,7 @@
  */
 
 #include "z_elf_msg.h"
+#include "overlays/actors/ovl_En_Elf/z_en_elf.h"
 
 #define FLAGS (ACTOR_FLAG_10)
 
@@ -15,8 +16,8 @@ void ElfMsg_Destroy(Actor* thisx, PlayState* play);
 void ElfMsg_Update(Actor* thisx, PlayState* play);
 
 void ElfMsg_SetupAction(ElfMsg* this, ElfMsgActionFunc actionFunc);
+void func_8092E284(ElfMsg* this, PlayState* play);
 
-#if 0
 const ActorInit Elf_Msg_InitVars = {
     ACTOR_ELF_MSG,
     ACTORCAT_ITEMACTION,
@@ -29,30 +30,119 @@ const ActorInit Elf_Msg_InitVars = {
     (ActorFunc)NULL,
 };
 
-// static InitChainEntry sInitChain[] = {
-static InitChainEntry D_8092E470[] = {
+static InitChainEntry sInitChain[] = {
     ICHAIN_VEC3F_DIV1000(scale, 1000, ICHAIN_CONTINUE),
     ICHAIN_F32(uncullZoneForward, 1000, ICHAIN_STOP),
 };
 
-#endif
-
-extern InitChainEntry D_8092E470[];
-
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Elf_Msg/D_8092E480.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Elf_Msg/ElfMsg_SetupAction.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Elf_Msg/func_8092DF9C.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Elf_Msg/ElfMsg_Init.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Elf_Msg/ElfMsg_Destroy.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Elf_Msg/func_8092E1D0.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Elf_Msg/func_8092E1FC.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Elf_Msg/func_8092E284.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_Elf_Msg/ElfMsg_Update.s")
+void ElfMsg_SetupAction(ElfMsg* this, ElfMsgActionFunc actionFunc) {
+    this->actionFunc = actionFunc;
+}
+
+s32 func_8092DF9C(ElfMsg* this, PlayState* play) {
+    if ((this->actor.home.rot.y > 0) && (this->actor.home.rot.y < 0x81) &&
+        (Flags_GetSwitch(play, this->actor.home.rot.y - 1))) {
+        (void)"共倒れ"; // "Collapse together"
+        if (ELFMSG_GET_SWITCHFLAG(&this->actor) != 0x7F) {
+            Flags_SetSwitch(play, ELFMSG_GET_SWITCHFLAG(&this->actor));
+        }
+        Actor_MarkForDeath(&this->actor);
+        return true;
+    }
+    if (this->actor.home.rot.y == 0x81) {
+        if (Flags_GetClear(play, this->actor.room)) {
+            if (ELFMSG_GET_SWITCHFLAG(&this->actor) != 0x7F) {
+                Flags_SetSwitch(play, ELFMSG_GET_SWITCHFLAG(&this->actor));
+            }
+            Actor_MarkForDeath(&this->actor);
+            return true;
+        }
+    }
+    if (ELFMSG_GET_SWITCHFLAG(&this->actor) == 0x7F) {
+        return false;
+    }
+    if (Flags_GetSwitch(play, ELFMSG_GET_SWITCHFLAG(&this->actor))) {
+        (void)"共倒れ"; // "Collapse together"
+        Actor_MarkForDeath(&this->actor);
+        return true;
+    }
+    return false;
+}
+
+void ElfMsg_Init(Actor* thisx, PlayState* play) {
+    ElfMsg* this = THIS;
+
+    if (!func_8092DF9C(this, play)) {
+        Actor_ProcessInitChain(&this->actor, sInitChain);
+        if (ABS_ALT(this->actor.home.rot.x) == 0) {
+            this->actor.scale.x = this->actor.scale.z = 0.4f;
+        } else {
+            this->actor.scale.x = this->actor.scale.z = ABS_ALT(this->actor.home.rot.x) * 0.04f;
+        }
+        if (this->actor.home.rot.z == 0) {
+            this->actor.scale.y = 0.4f;
+        } else {
+            this->actor.scale.y = this->actor.home.rot.z * 0.04f;
+        }
+        ElfMsg_SetupAction(this, func_8092E284);
+        this->actor.shape.rot.x = this->actor.shape.rot.y = this->actor.shape.rot.z = 0;
+    }
+}
+
+void ElfMsg_Destroy(Actor* thisx, PlayState* play) {
+}
+
+s32 func_8092E1D0(ElfMsg* this) {
+    if (ELFMSG_GET_8000(&this->actor) != 0) {
+        return ELFMSG_GET_FF(&this->actor) + 0x200;
+    } else {
+        return -0x200 - ELFMSG_GET_FF(&this->actor);
+    }
+}
+
+s32 func_8092E1FC(ElfMsg* this) {
+    return (this->actor.xzDistToPlayer < (100.0f * this->actor.scale.x)) && (this->actor.playerHeightRel >= 0.0f) &&
+           (this->actor.playerHeightRel < (100.0f * this->actor.scale.y));
+}
+
+void func_8092E284(ElfMsg* this, PlayState* play) {
+    Player* player = GET_PLAYER(play);
+    EnElf* tatl = (EnElf*)player->tatlActor;
+
+    if ((player->tatlActor != NULL) && ((func_8092E1FC(this)))) {
+        player->tatlTextId = func_8092E1D0(this);
+        ActorCutscene_SetIntentToPlay(0x7C);
+        tatl->elfMsg = &this->actor;
+        if (this->actor.cutscene == -1) {
+            this->actor.cutscene = 0x7C;
+        }
+        if ((player->tatlTextId < 0) && (this->actor.home.rot.x < 0)) {
+            if (ActorCutscene_GetCurrentIndex() == 0x7D) {
+                ActorCutscene_Stop(0x7D);
+                ActorCutscene_SetIntentToPlay(this->actor.cutscene);
+            } else if (ActorCutscene_GetCanPlayNext(this->actor.cutscene)) {
+                this->actor.home.rot.x = 0;
+                ActorCutscene_Start(this->actor.cutscene, &this->actor);
+                func_800E0348(play->cameraPtrs[0]);
+            } else {
+                ActorCutscene_SetIntentToPlay(this->actor.cutscene);
+            }
+        }
+    }
+}
+
+void ElfMsg_Update(Actor* thisx, PlayState* play) {
+    ElfMsg* this = THIS;
+
+    if (func_8092DF9C(this, play) == 0) {
+        if (Actor_ProcessTalkRequest(&this->actor, &play->state)) {
+            if (ELFMSG_GET_SWITCHFLAG(thisx) != 0x7F) {
+                Flags_SetSwitch(play, ELFMSG_GET_SWITCHFLAG(thisx));
+            }
+            Actor_MarkForDeath(&this->actor);
+        } else if ((this->actor.home.rot.y >= 0) || (this->actor.home.rot.y < -0x80) ||
+                   (Flags_GetSwitch(play, -1 - this->actor.home.rot.y))) {
+            this->actionFunc(this, play);
+        }
+    }
+}
diff --git a/src/overlays/actors/ovl_Elf_Msg/z_elf_msg.h b/src/overlays/actors/ovl_Elf_Msg/z_elf_msg.h
index dd9accf93..f335f0158 100644
--- a/src/overlays/actors/ovl_Elf_Msg/z_elf_msg.h
+++ b/src/overlays/actors/ovl_Elf_Msg/z_elf_msg.h
@@ -3,13 +3,17 @@
 
 #include "global.h"
 
+#define ELFMSG_GET_FF(thisx) ((thisx)->params & 0xFF)
+#define ELFMSG_GET_SWITCHFLAG(thisx) (((thisx)->params & 0x7F00) >> 8)
+#define ELFMSG_GET_8000(thisx) ((thisx)->params & 0x8000)
+
 struct ElfMsg;
 
 typedef void (*ElfMsgActionFunc)(struct ElfMsg*, PlayState*);
 
 typedef struct ElfMsg {
-    /* 0x0000 */ Actor actor;
-    /* 0x0144 */ ElfMsgActionFunc actionFunc;
+    /* 0x000 */ Actor actor;
+    /* 0x144 */ ElfMsgActionFunc actionFunc;
 } ElfMsg; // size = 0x148
 
 extern const ActorInit Elf_Msg_InitVars;