Martin Michelsen
184 lines
4.8 KiB
ArmAsm
184 lines
4.8 KiB
ArmAsm
.meta name="Ext item info"
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.meta description="Shows more info\nbefore picking up\nan item"
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entry_ptr:
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reloc0:
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.offsetof start
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start:
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.include WriteCodeBlocksGC
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.data 0x804CDB28
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.data 0x00000004
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.data 0x00000023 # Set bit 0x20 in TWindowHelpItem::spec.flags to suppress open/close sounds
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.data 0x80262570
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.data 0x00000004
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.address 0x80262570
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bl set_window_state_on_switch_to_item
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.data 0x80262880
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.data 0x00000004
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.address 0x80262880
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b set_window_state_on_lock_on_delete
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.data 0x8026254C
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.data 0x00000004
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.address 0x8026254C
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bl set_window_state_on_switch_to_player
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.data 0x80262594
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.data 0x00000004
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.address 0x80262594
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bl set_window_state_on_switch_to_enemy
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.label is_split_screen, 0x800196E0
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.label malloc7, 0x8022961C
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.label TWindow::close, 0x802439EC
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.label TWindowCtrlPlayer::get_for_player, 0x8024BE18
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.label TWindowHelpItem::init, 0x80254D14
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.label TWindowHelpItem::set_displayed_item_by_id, 0x80254898
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.label TWindowLockOn::update_for_enemy, 0x80261F54
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.label TWindowLockOn::update_for_item, 0x802622B0
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.label TWindowLockOn::update_for_other_player, 0x80262428
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.data 0x80004000
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.deltaof code_start, code_end
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.address 0x80004000
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code_start:
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.data 0x00000000 # Placeholder for active window pointer
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.data 0x41F00000 # TWindowHelpItem x position
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.data 0x43480000 # TWindowHelpItem y position
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set_window_state_on_lock_on_delete:
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stwu [r1 - 0x20], r1
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mflr r0
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stw [r1 + 0x24], r0
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b close_window_tail
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set_window_state_on_switch_to_player:
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stwu [r1 - 0x20], r1
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mflr r0
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stw [r1 + 0x24], r0
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bl TWindowLockOn::update_for_other_player
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b close_window_tail
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set_window_state_on_switch_to_enemy:
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stwu [r1 - 0x20], r1
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mflr r0
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stw [r1 + 0x24], r0
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bl TWindowLockOn::update_for_enemy
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close_window_tail:
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li r3, 0
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bl set_window_state
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skip_close_window:
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lwz r0, [r1 + 0x24]
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mtlr r0
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addi r1, r1, 0x20
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blr
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set_window_state_on_switch_to_item:
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stwu [r1 - 0x20], r1
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mflr r0
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stw [r1 + 0x24], r0
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stw [r1 + 0x08], r4
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stw [r1 + 0x0C], r31
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bl TWindowLockOn::update_for_item
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lwz r3, [r1 + 0x08]
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bl set_window_state
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skip_all:
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lwz r31, [r1 + 0x0C]
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lwz r0, [r1 + 0x24]
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addi r1, r1, 0x20
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mtlr r0
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blr
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set_window_state: # (TItem* item: r3) -> void
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stwu [r1 - 0x20], r1
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mflr r0
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stw [r1 + 0x24], r0
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stw [r1 + 0x08], r3
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stw [r1 + 0x0C], r31
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lis r31, 0x8000
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# If item is null, hide the window
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cmplwi r3, 0
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beq window_should_not_exist
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# Only show the window for weapons, armors, shields, and mags (not for
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# units, tools, or meseta)
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lhz r4, [r3 + 0xEC] # data[0] and data[1]
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cmplwi r4, 0x0103
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beq window_should_not_exist
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cmplwi r4, 0x0300
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bge window_should_not_exist
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# Don't show the window in split-screen mode
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bl is_split_screen
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cmplwi r3, 0
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bne window_should_not_exist
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# If the player's TWindowCtrlPlayer's TWindowMainMenu is visible, the
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# TWindowHelpItem should not be visible
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bl TWindowCtrlPlayer::get_for_player
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lwz r3, [r3 + 0x28]
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cmplwi r3, 0
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bne window_should_exist # TWindowMainMenu does not exist
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lwz r3, [r3 + 0x4C]
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rlwinm. r3, r3, 0, 31, 31
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beq window_should_not_exist
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window_should_exist:
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# Check if the window already exists
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lwz r3, [r31 + 0x4000]
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cmplwi r3, 0
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bne window_already_exists
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# The window does not exist; create it
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li r3, 0xBC
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bl malloc7
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stw [r31 + 0x4000], r3
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# Call the constructor if malloc7 succeeded
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cmplwi r3, 0
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beq set_window_state_return
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ori r3, r31, 0x4004
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mr r4, r3
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lwz r3, [r31 + 0x4000]
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lwz r5, [r13 - 0x5290] # local_client_id
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bl TWindowHelpItem::init
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window_already_exists:
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# Set flag 0x20, which suppresses the open/close sound
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lwz r3, [r31 + 0x4000]
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lwz r0, [r3 + 0x2C]
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ori r0, r0, 0x20
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stw [r3 + 0x2C], r0
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# Call TWindowHelpItem::set_displayed_item_by_id(window, item->item_id)
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lwz r4, [r1 + 0x08] # item
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lwz r4, [r4 + 0xD8] # item->item_id
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bl TWindowHelpItem::set_displayed_item_by_id
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b set_window_state_return
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window_should_not_exist:
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lwz r3, [r31 + 0x4000]
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cmplwi r3, 0
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beq set_window_state_return
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li r0, 0
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stw [r31 + 0x4000], r0
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bl TWindow::close
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set_window_state_return:
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lwz r31, [r1 + 0x0C]
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lwz r0, [r1 + 0x24]
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addi r1, r1, 0x20
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mtlr r0
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blr
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code_end:
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.data 0x00000000
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.data 0x00000000
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