map functions are coming

2 files changed, 119 insertions, 286 deletions

diff --git a/asm/teachy_tv.s b/asm/teachy_tv.s
index 4150dfd0f..06d27a3da 100644
--- a/asm/teachy_tv.s
+++ b/asm/teachy_tv.s
@@ -5,277 +5,6 @@
 
 	.text
 
-	thumb_func_start TeachyTvGrassAnimationObjCallback
-TeachyTvGrassAnimationObjCallback: @ 815BB6C
-	push {r4,r5,lr}
-	adds r3, r0, 0
-	movs r0, 0x2E
-	ldrsh r1, [r3, r0]
-	lsls r0, r1, 2
-	adds r0, r1
-	lsls r0, 3
-	ldr r1, _0815BBA4 @ =gTasks+0x8
-	adds r4, r0, r1
-	movs r2, 0x2
-	ldrsh r1, [r4, r2]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, _0815BBA8 @ =gSprites
-	adds r5, r0, r1
-	ldr r0, _0815BBAC @ =gUnknown_203F450
-	ldr r0, [r0]
-	ldr r1, _0815BBB0 @ =0x00004006
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne _0815BBB4
-	adds r0, r3, 0
-	bl DestroySprite
-	b _0815BC3A
-	.align 2, 0
-_0815BBA4: .4byte gTasks+0x8
-_0815BBA8: .4byte gSprites
-_0815BBAC: .4byte gUnknown_203F450
-_0815BBB0: .4byte 0x00004006
-_0815BBB4:
-	adds r0, r3, 0
-	adds r0, 0x2B
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _0815BBD2
-	adds r2, r3, 0
-	adds r2, 0x42
-	ldrb r0, [r2]
-	movs r1, 0x40
-	negs r1, r1
-	ands r1, r0
-	movs r0, 0x1
-	orrs r1, r0
-	strb r1, [r2]
-	b _0815BBE0
-_0815BBD2:
-	adds r2, r3, 0
-	adds r2, 0x42
-	ldrb r1, [r2]
-	movs r0, 0x40
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r2]
-_0815BBE0:
-	ldrh r0, [r4, 0x8]
-	ldrh r2, [r3, 0x24]
-	adds r0, r2
-	strh r0, [r3, 0x24]
-	ldrh r0, [r4, 0xA]
-	ldrh r1, [r3, 0x26]
-	adds r0, r1
-	strh r0, [r3, 0x26]
-	adds r0, r3, 0
-	adds r0, 0x3F
-	ldrb r1, [r0]
-	movs r0, 0x10
-	ands r0, r1
-	cmp r0, 0
-	beq _0815BC3A
-	adds r1, r3, 0
-	adds r1, 0x43
-	movs r0, 0
-	strb r0, [r1]
-	ldrh r1, [r3, 0x24]
-	ldrh r0, [r5, 0x24]
-	subs r1, r0
-	ldrh r0, [r3, 0x26]
-	ldrh r2, [r5, 0x26]
-	subs r0, r2
-	lsls r0, 16
-	lsrs r0, 16
-	lsls r1, 16
-	movs r2, 0xF0
-	lsls r2, 12
-	adds r1, r2
-	lsrs r1, 16
-	cmp r1, 0x1E
-	bhi _0815BC34
-	lsls r0, 16
-	asrs r1, r0, 16
-	movs r0, 0x10
-	negs r0, r0
-	cmp r1, r0
-	ble _0815BC34
-	cmp r1, 0x17
-	ble _0815BC3A
-_0815BC34:
-	adds r0, r3, 0
-	bl DestroySprite
-_0815BC3A:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	thumb_func_end TeachyTvGrassAnimationObjCallback
-
-	thumb_func_start TeachyTvGrassAnimationCheckIfNeedsToGenerateGrassObj
-TeachyTvGrassAnimationCheckIfNeedsToGenerateGrassObj: @ 815BC40
-	push {r4,r5,lr}
-	lsls r1, 16
-	lsrs r1, 16
-	lsls r4, r0, 16
-	cmp r4, 0
-	blt _0815BC52
-	lsls r1, 16
-	cmp r1, 0
-	bge _0815BC56
-_0815BC52:
-	movs r0, 0
-	b _0815BC78
-_0815BC56:
-	ldr r3, _0815BC80 @ =gUnknown_84795C8
-	ldr r0, _0815BC84 @ =gUnknown_203F450
-	ldr r2, [r0]
-	ldr r5, _0815BC88 @ =0x00004005
-	adds r0, r2, r5
-	asrs r1, 20
-	ldrb r0, [r0]
-	adds r1, r0
-	lsls r1, 4
-	ldr r0, _0815BC8C @ =0x00004004
-	adds r2, r0
-	asrs r0, r4, 20
-	ldrb r2, [r2]
-	adds r0, r2
-	adds r1, r0
-	adds r1, r3
-	ldrb r0, [r1]
-_0815BC78:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0815BC80: .4byte gUnknown_84795C8
-_0815BC84: .4byte gUnknown_203F450
-_0815BC88: .4byte 0x00004005
-_0815BC8C: .4byte 0x00004004
-	thumb_func_end TeachyTvGrassAnimationCheckIfNeedsToGenerateGrassObj
-
-	thumb_func_start TeachyTvPrepBattle
-TeachyTvPrepBattle: @ 815BC90
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r6, r0, 24
-	lsls r0, r6, 2
-	adds r0, r6
-	lsls r0, 3
-	ldr r1, _0815BCCC @ =gTasks+0x8
-	adds r5, r0, r1
-	bl TeachyTvFree
-	ldr r1, _0815BCD0 @ =gSpecialVar_0x8004
-	ldr r4, _0815BCD4 @ =gTeachyTV_StaticResources
-	ldrb r0, [r4, 0x5]
-	strh r0, [r1]
-	ldr r1, _0815BCD8 @ =gMain
-	ldr r0, _0815BCDC @ =sub_815BD58
-	str r0, [r1, 0x8]
-	bl SavePlayerParty
-	bl sub_8159F40
-	movs r0, 0
-	bl PlayMapChosenOrBattleBGM
-	ldrb r0, [r4, 0x5]
-	cmp r0, 0
-	bne _0815BCE0
-	movs r0, 0x9
-	b _0815BCE2
-	.align 2, 0
-_0815BCCC: .4byte gTasks+0x8
-_0815BCD0: .4byte gSpecialVar_0x8004
-_0815BCD4: .4byte gTeachyTV_StaticResources
-_0815BCD8: .4byte gMain
-_0815BCDC: .4byte sub_815BD58
-_0815BCE0:
-	movs r0, 0x8
-_0815BCE2:
-	strh r0, [r5, 0xC]
-	movs r0, 0
-	strh r0, [r5, 0xE]
-	ldr r1, _0815BCFC @ =gTasks
-	lsls r0, r6, 2
-	adds r0, r6
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, _0815BD00 @ =sub_815BD04
-	str r1, [r0]
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0815BCFC: .4byte gTasks
-_0815BD00: .4byte sub_815BD04
-	thumb_func_end TeachyTvPrepBattle
-
-	thumb_func_start sub_815BD04
-sub_815BD04: @ 815BD04
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	ldr r1, _0815BD24 @ =gTasks+0x8
-	adds r4, r0, r1
-	movs r1, 0xE
-	ldrsh r0, [r4, r1]
-	cmp r0, 0
-	beq _0815BD28
-	cmp r0, 0x1
-	beq _0815BD36
-	b _0815BD4C
-	.align 2, 0
-_0815BD24: .4byte gTasks+0x8
-_0815BD28:
-	ldrb r0, [r4, 0xC]
-	bl sub_80D08B8
-	ldrh r0, [r4, 0xE]
-	adds r0, 0x1
-	strh r0, [r4, 0xE]
-	b _0815BD4C
-_0815BD36:
-	bl sub_80D08F8
-	lsls r0, 24
-	cmp r0, 0
-	beq _0815BD4C
-	ldr r0, _0815BD54 @ =sub_800FD9C
-	bl SetMainCallback2
-	adds r0, r5, 0
-	bl DestroyTask
-_0815BD4C:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0815BD54: .4byte sub_800FD9C
-	thumb_func_end sub_815BD04
-
-	thumb_func_start sub_815BD58
-sub_815BD58: @ 815BD58
-	push {lr}
-	bl LoadPlayerParty
-	ldr r0, _0815BD6C @ =gUnknown_2023E8A
-	ldrb r0, [r0]
-	cmp r0, 0x3
-	bne _0815BD70
-	bl sub_815AC20
-	b _0815BD78
-	.align 2, 0
-_0815BD6C: .4byte gUnknown_2023E8A
-_0815BD70:
-	movs r0, 0x88
-	lsls r0, 1
-	bl PlayNewMapMusic
-_0815BD78:
-	bl sub_815ABFC
-	pop {r0}
-	bx r0
-	thumb_func_end sub_815BD58
-
 	thumb_func_start TeachyTvLoadBg3Map
 TeachyTvLoadBg3Map: @ 815BD80
 	push {r4-r7,lr}
diff --git a/src/teachy_tv.c b/src/teachy_tv.c
index 56c9e25cf..00df2807e 100644
--- a/src/teachy_tv.c
+++ b/src/teachy_tv.c
@@ -23,17 +23,20 @@
 #include "text.h"
 #include "constants/songs.h"
 #include "constants/items.h"
+#include "event_data.h"
+#include "load_save.h"
+#include "battle_transition.h"
+#include "battle_2.h"
+#include "battle.h"
 
 typedef struct Task Task;
-
 typedef struct {
     void (*callback)();
     u8 mode;
     u8 optionChosen;
     u16 scrollOffset;
     u16 selectedRow;
-    u8 param4;
-    u8 filler;
+    u16 filler;
 } TeachyTv_s;
 
 extern TeachyTv_s gTeachyTV_StaticResources;
@@ -57,10 +60,11 @@ extern u8 gUnknown_8479590;
 extern u8 gUnknown_8479390;
 extern struct SubspriteTable gUnknown_84795B8;
 extern struct SpriteTemplate *gUnknown_83A0010;
+extern u8 gUnknown_84795C8;
 
-void C2TeachyTv();
-void C2TeachyTvMainCallback();
-void VblankHandlerTeachyTv();
+void TeachyTvCallback();
+void TeachyTvMainCallback();
+void TeachyTvVblankHandler();
 void sub_815ABC4(u8 mode, void (*cb)());
 void sub_815ABFC();
 void sub_815AC20();
@@ -86,6 +90,8 @@ void TeachyTvGrassAnimationMain(u8 taskId, s16 x, s16 y, u8 subpriority, bool8 m
 void TeachyTvLoadBg3Map(void *);
 u8 TeachyTvGrassAnimationCheckIfNeedsToGenerateGrassObj(s16 x, s16 y);
 void TeachyTvGrassAnimationObjCallback(struct Sprite *sprite);
+void TeachyTvRestorePlayerPartyCallback();
+void TeachyTvPreBattleAnimAndSetBattleCallback(u8 taskId);
 
 extern void VblankHblankHandlerSetZero();
 extern void sub_812B1E0(u16);
@@ -94,9 +100,9 @@ extern void sub_8055DC4();
 extern bool16 sub_80BF518(u8 textPrinterId);
 extern void _call_via_r1(s32 arg, void *func);
 extern void sub_810B108(u8);
+extern void sub_8159F40();
 
-
-void C2TeachyTv()
+void TeachyTvCallback()
 {
     RunTasks();
     AnimateSprites();
@@ -105,7 +111,7 @@ void C2TeachyTv()
     UpdatePaletteFade();
 }
 
-void VblankHandlerTeachyTv()
+void TeachyTvVblankHandler()
 {
     LoadOam();
     ProcessSpriteCopyRequests();
@@ -126,7 +132,7 @@ void sub_815ABC4(u8 mode, void (*cb)())
     }
     if(mode == 1)
         v3->mode = 0;
-    SetMainCallback2(C2TeachyTvMainCallback);
+    SetMainCallback2(TeachyTvMainCallback);
 }
 
 void sub_815ABFC()
@@ -142,7 +148,7 @@ void sub_815AC20()
     gTeachyTV_StaticResources.mode = 1;
 }
 
-void C2TeachyTvMainCallback()
+void TeachyTvMainCallback()
 {
     int state;
     int taskId;
@@ -151,7 +157,6 @@ void C2TeachyTvMainCallback()
     u32 x;
 
     state = gMain.state;
-    // tried several ways to reproduce the control flow, but all failed. Now using goto
     if ( state == 0 )
         goto RESETANDLOAD;
     else if ( state == 1 )
@@ -203,8 +208,8 @@ SETDMATOVRAM:
     sub_812B1E0(9); // help system something
     BlendPalettes(0xFFFFFFFF, 0x10u, 0);
     BeginNormalPaletteFade(0xFFFFFFFF, 0, 0x10u, 0, 0);
-    SetVBlankCallback(VblankHandlerTeachyTv);
-    SetMainCallback2(C2TeachyTv);
+    SetVBlankCallback(TeachyTvVblankHandler);
+    SetMainCallback2(TeachyTvCallback);
 }
 
 void TeachyTvSetupBg()
@@ -921,4 +926,103 @@ void TeachyTvGrassAnimationMain(u8 taskId, s16 x, s16 y, u8 subpriority, bool8 m
             }
         }
     }
-}
\ No newline at end of file
+}
+
+void TeachyTvGrassAnimationObjCallback(struct Sprite *sprite)
+{
+    u32 diff1, diff2;
+    s16 *data = gTasks[sprite->data[0]].data;
+    struct Sprite *objAddr = &gSprites[data[1]];
+    if(((u8*)gUnknown_203F450)[0x4006] == 1)
+        DestroySprite(sprite);
+    else {
+        if(sprite->animCmdIndex == 0)
+            sprite->subspriteTableNum = 1;
+        else
+            sprite->subspriteTableNum = 0;
+        sprite->pos2.x += (u16)data[4];
+        sprite->pos2.y += (u16)data[5];
+        if(sprite->animEnded == 0)
+            return;
+        sprite->subpriority = 0;
+        diff1 = (u16)(sprite->pos2.x - objAddr->pos2.x);
+        diff2 = (u16)(sprite->pos2.y - objAddr->pos2.y);
+        diff1 = ((diff1 << 0x10)+0xF0000) >> 0x10;
+        if(diff1 <= 0x1E)
+        {
+            if((s16)diff2 > -0x10)
+            {
+                if((s16)diff2 <= 0x17)
+                    return;
+            }
+        }
+        DestroySprite(sprite);
+    }
+}
+
+u8 TeachyTvGrassAnimationCheckIfNeedsToGenerateGrassObj(s16 x, s16 y)
+{
+    u8 * arr, *ptr;
+    int a, b;
+    if( (x < 0) || (y < 0) )
+        return 0;
+    arr = &gUnknown_84795C8;
+    ptr = gUnknown_203F450;
+    a = ((y >> 4) + ptr[0x4005]) << 4;
+    b = ((x >> 4) + ptr[0x4004]);
+    return arr[a+b];
+}
+
+void TeachyTvPrepBattle(u8 taskId)
+{
+    s16 *data;
+
+    taskId = taskId;
+    data = gTasks[taskId].data;
+    TeachyTvFree();
+    gSpecialVar_0x8004 = gTeachyTV_StaticResources.optionChosen;
+    gMain.savedCallback = TeachyTvRestorePlayerPartyCallback;
+    SavePlayerParty();
+    sub_8159F40();
+    PlayMapChosenOrBattleBGM(MUS_DUMMY);
+    if ( !gTeachyTV_StaticResources.optionChosen )
+        data[6] = 9;
+    else
+        data[6] = 8;
+    data[7] = 0;
+    gTasks[taskId].func = TeachyTvPreBattleAnimAndSetBattleCallback;
+}
+
+void TeachyTvPreBattleAnimAndSetBattleCallback(u8 taskId)
+{
+    s16 *data;
+    int temp;
+
+    data = gTasks[taskId].data;
+    switch(data[7])
+    {
+    case 0:
+        sub_80D08B8(*((u8*)data + 12));
+        ++data[7];
+        break;
+    case 1:
+        temp = sub_80D08F8();
+        if ( temp << 24 )
+        {
+            SetMainCallback2(sub_800FD9C);
+            DestroyTask(taskId);
+        }
+        break;
+    }
+}
+
+void TeachyTvRestorePlayerPartyCallback()
+{
+    LoadPlayerParty();
+    if ( gUnknown_2023E8A == 3 )
+        sub_815AC20();
+    else
+        PlayNewMapMusic(BGM_FRLG_FOLLOW_ME);
+    sub_815ABFC();
+}
+