From 5b1af9af50716bd4f6feb8dd9e6f5cf57071a3df Mon Sep 17 00:00:00 2001
From: "Matthew D. Steele" <mdsteele@alum.mit.edu>
Date: Tue, 16 Apr 2024 18:03:07 -0400
Subject: [PATCH] Fix mine boss death animation

---
 src/chr.asm                    |  9 +++++----
 src/linker.cfg                 |  2 +-
 src/rooms/boss_city.asm        |  4 ++--
 src/rooms/boss_mine.asm        |  4 ++++
 src/tiles/anim_wyrm_static.ahi | 36 ++++++++++++++++++++++++++++++++++
 5 files changed, 48 insertions(+), 7 deletions(-)
 create mode 100644 src/tiles/anim_wyrm_static.ahi

diff --git a/src/chr.asm b/src/chr.asm
index 0748fd7e..3b5d8006 100644
--- a/src/chr.asm
+++ b/src/chr.asm
@@ -398,13 +398,14 @@ _chr_begin:
 
 ;;;=========================================================================;;;
 
-.SEGMENT "CHR_BgBossCity"
+.SEGMENT "CHR_BgBossStatic"
 
-.EXPORT Ppu_ChrBgBossCity
-.PROC Ppu_ChrBgBossCity
+.EXPORT Ppu_ChrBgBossStatic
+.PROC Ppu_ChrBgBossStatic
     CHR1_BANK $40
     chr_inc "boss_city"
-    chr_res $14
+    chr_res $04
+    chr_inc "anim_wyrm_static"
     END_CHR_BANK
 .ENDPROC
 
diff --git a/src/linker.cfg b/src/linker.cfg
index cea03854..ca26f5cb 100644
--- a/src/linker.cfg
+++ b/src/linker.cfg
@@ -304,7 +304,7 @@ SEGMENTS {
   CHR_BgMermaid:     load=CHR1_29, type=ro;
   CHR_BgMine:        load=CHR1_2A, type=ro;
   CHR_BgMinimap:     load=CHR1_2B, type=ro;
-  CHR_BgBossCity:    load=CHR1_2C, type=ro;
+  CHR_BgBossStatic:  load=CHR1_2C, type=ro;
   CHR_BgOutdoors:    load=CHR1_2D, type=ro;
   CHR_BgPause:       load=CHR1_2E, type=ro;
   CHR_BgPrison:      load=CHR1_2F, type=ro;
diff --git a/src/rooms/boss_city.asm b/src/rooms/boss_city.asm
index 04f8dbef..3daa7bc8 100644
--- a/src/rooms/boss_city.asm
+++ b/src/rooms/boss_city.asm
@@ -86,7 +86,7 @@
 .IMPORT Func_ShakeRoom
 .IMPORT Func_SignedMult
 .IMPORT Func_Sine
-.IMPORT Ppu_ChrBgBossCity
+.IMPORT Ppu_ChrBgBossStatic
 .IMPORT Ppu_ChrObjBoss2
 .IMPORT Ram_ActorPosY_i16_0_arr
 .IMPORT Ram_MachineGoalHorz_u8_arr
@@ -836,7 +836,7 @@ _SpineAngle_u8_arr5:
 ;;; Draw function for the city boss.
 ;;; @prereq PRGA_Objects is loaded.
 .PROC FuncC_Boss_City_DrawBoss
-    lda #<.bank(Ppu_ChrBgBossCity)
+    lda #<.bank(Ppu_ChrBgBossStatic)
     sta Zp_Chr04Bank_u8
 _SetShapePosition:
     ;; Set the shape position to the center of the boss's body.
diff --git a/src/rooms/boss_mine.asm b/src/rooms/boss_mine.asm
index d64fa11a..ded62abe 100644
--- a/src/rooms/boss_mine.asm
+++ b/src/rooms/boss_mine.asm
@@ -74,6 +74,7 @@
 .IMPORT Func_SetPointToPlatformCenter
 .IMPORT Func_ShakeRoom
 .IMPORT Ppu_ChrBgAnimB4
+.IMPORT Ppu_ChrBgBossStatic
 .IMPORT Ppu_ChrObjBoss2
 .IMPORT Ram_MachineGoalHorz_u8_arr
 .IMPORT Ram_MachineGoalVert_u8_arr
@@ -817,6 +818,9 @@ _DrawBoulder:
     ldx #kBoulderPlatformIndex  ; param: platform index
     jsr FuncA_Objects_DrawBoulderPlatform
 _DrawBoss:
+    ;; Set default CHR04 bank, in case boss isn't drawn.
+    lda #<.bank(Ppu_ChrBgBossStatic)
+    sta Zp_Chr04Bank_u8
     jmp FuncA_Objects_DrawBoss
 .ENDPROC
 
diff --git a/src/tiles/anim_wyrm_static.ahi b/src/tiles/anim_wyrm_static.ahi
new file mode 100644
index 00000000..3df58d42
--- /dev/null
+++ b/src/tiles/anim_wyrm_static.ahi
@@ -0,0 +1,36 @@
+ahi1 f0 p1 i1 w32 h32
+
+F0F;0;54;ECEEEC;FF0;FF0;FF0;FF0;FF0;FF0;FF0;FF0;FF0;FF0;FF0;FF0
+
+11111111111211211111211111111111
+11111121112212111121221111112111
+11121221111122211221111111221111
+11221211122221111112222211212111
+11122111221111111111111222122111
+11211211111111111111111122211111
+11111221111111111111111111112211
+22112211111111211111111111112111
+21122111111112211211221111111111
+11121111112111111111112111111122
+11211111121111111111111111111112
+11211111111111111111111112111111
+11111111111111111111111112111111
+21111121111111111211111111211121
+21111121111112111111121111111111
+21111111111111111111112111111111
+11111111111111111111111111111112
+21111211111111111111111111121121
+21111211111211111111111121121112
+11111111111211111111111111111111
+11111111111111111111111111211112
+21111111111111111111111111111222
+21111112111111111111111112111211
+11111112111211111111111112112211
+12111111211111111111111111112111
+12211111111111111111111211121221
+11111111111221111111112111212211
+11122111111121112112211111121111
+11211211111111111111111112122111
+11221212111111111111111122121121
+11121211221221111111221212211111
+11211111112111221122112211111111