working animation, but ugly
This commit is contained in:
tA
parent
f3fd560eae
commit
aa5b06312e
1
.gitignore
vendored
1
.gitignore
vendored
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@ -1 +1,2 @@
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build
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*.swp
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3
Makefile
3
Makefile
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@ -9,8 +9,9 @@ BUILD=./build
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ENTRY=${SRC}/main.asm
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ROM_OUTPUT=${BUILD}/${NAME}.gb
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OBJECT_OUTPUT=${BUILD}/${NAME}.o
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SYMFILE_OUTPUT=${BUILD}/${NAME}.sym
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all : ${ENTRY}
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${ASSEMBLER} -o ${OBJECT_OUTPUT} ${ENTRY} \
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&& ${LINKER} -o ${ROM_OUTPUT} -n ${NAME}.sym ${OBJECT_OUTPUT} \
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&& ${LINKER} -o ${ROM_OUTPUT} -n ${SYMFILE_OUTPUT} ${OBJECT_OUTPUT} \
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&& ${POSTPROC} -v -p 0 ${ROM_OUTPUT}
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@ -1,54 +0,0 @@
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; File generated by rgblink
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00:0634 parecivo_tile_data
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00:0234 Map
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00:01F8 CheckBoundry
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00:01E5 game_loop
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00:0230 CheckBoundry.skipRender
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00:021E CheckBoundry.swap
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00:022C CheckBoundry.render
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00:0150 Start
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00:0017 dPlayerHeight
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00:0016 dPlayerWidth
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00:0018 dPlayerSpriteTiles
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00:0008 CopyDMARoutine
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00:0004 DMARoutine.wait
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00:0000 DMARoutine
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00:0008 DMARoutine.end
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00:000F CopyDMARoutine.copy
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00:0853 Read_Pad
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00:084A MemCpy.copy
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00:0883 Read_Pad.onenibble
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00:086C Read_Pad.legalUpDown
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00:0875 Read_Pad.legalLeftRight
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00:084A MemCpy
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00:0744 Wait_VBlank
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00:0816 Clear_Map
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00:0824 Load_Tiles
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00:07D7 PC_Update
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00:0750 Player_To_OAM
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00:0747 Wait_VBlank.wait
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00:07D1 Player_To_OAM.add4hl
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00:0762 Player_To_OAM.finner
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00:075E Player_To_OAM.fouter
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00:0786 Player_To_OAM.sinner
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00:077B Player_To_OAM.souter
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00:07A5 Player_To_OAM.tloop1
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00:07AA Player_To_OAM.tloop2
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00:07C1 Player_To_OAM.lloop1
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00:07C6 Player_To_OAM.lloop2
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00:07E6 PC_Update.up
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00:07F1 PC_Update.left
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00:07FC PC_Update.right
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00:0807 PC_Update.last
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00:081D Clear_Map.loop
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00:C005 rPlayerX
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00:C006 rPlayerY
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00:C004 ANS
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00:C002 N
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00:C000 X
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00:C100 wShadowOAM
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00:FF88 hVBlankFlag
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00:FF89 hCurKeys
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00:FF8A hNewKeys
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00:FF80 hOAMDMA
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367
inc/structs.asm
Normal file
367
inc/structs.asm
Normal file
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@ -0,0 +1,367 @@
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; MIT License
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;
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; Copyright (c) 2018-2019 Eldred Habert
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; Originally hosted at https://github.com/ISSOtm/rgbds-structs
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;
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; Permission is hereby granted, free of charge, to any person obtaining a copy
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; of this software and associated documentation files (the "Software"), to deal
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; in the Software without restriction, including without limitation the rights
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; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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; copies of the Software, and to permit persons to whom the Software is
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; furnished to do so, subject to the following conditions:
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;
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; The above copyright notice and this permission notice shall be included in all
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; copies or substantial portions of the Software.
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;
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; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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; SOFTWARE.
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; !!! WARNING ABOUT READABILITY OF THIS CODE !!!
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;
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; RGBDS, being the venerable/old/decrepit (pick on depending on mood) assembler that it is, requires
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; all label, variable etc. definitions to be on column 0. As in, no whitespace allowed (otherwise, syntax error)
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; Meanwhile, these macros tend to use a lot of nesting (requiring indenting for readability),
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; as well as variable definitions (requiring none to work).
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; As you can probably tell, those two conflict and result in very poor readability
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; Sadly, there is nothing I can do against that short of using a special preprocessor,
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; which I refuse to do for usability's sake.
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; You have all my apologies, how little they may matter, if you are trying to read this code
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; I still did my best to use explicit comments and variable names, hope they will help!
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; strreplace variable_name, original_char, new_char
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strreplace: MACRO
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DOT_POS = STRIN("{\1}", \2)
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IF DOT_POS != 0
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TMP equs STRCAT(STRSUB("{\1}", 1, DOT_POS + (-1)), STRCAT(\3, STRSUB("{\1}", DOT_POS + 1, STRLEN("{\1}") - DOT_POS)))
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PURGE \1
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\1 equs "{TMP}"
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PURGE TMP
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strreplace \1, \2, \3
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ENDC
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IF DEF(DOT_POS)
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PURGE DOT_POS
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ENDC
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ENDM
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; rgbds_structs_version version_string
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; Call with the expected version string to ensure you're using a compatible version
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; Example: rgbds_structs_version 1.0.0
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rgbds_structs_version: MACRO
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CURRENT_VERSION equs "1,2,1"
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EXPECTED_VERSION equs "\1"
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strreplace EXPECTED_VERSION, ".", "\,"
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check_ver: MACRO
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IF \1 != \4 || \2 > \5 || \3 > \6
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PURGE EXPECTED_VERSION
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ENDC
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ENDM
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CHECK_VER_CALL equs "check_ver {EXPECTED_VERSION},{CURRENT_VERSION}"
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CHECK_VER_CALL
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IF !DEF(EXPECTED_VERSION)
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strreplace CURRENT_VERSION, "\,", "."
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FAIL "RGBDS-structs version \1 is required, which is incompatible with current version {CURRENT_VERSION}"
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ENDC
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PURGE CHECK_VER_CALL
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PURGE check_ver
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PURGE CURRENT_VERSION
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PURGE EXPECTED_VERSION
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ENDM
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; struct struct_name
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; Begins a struct declaration
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struct: MACRO
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IF DEF(NB_FIELDS)
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FAIL "Please close struct definitions using `end_struct`"
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ENDC
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STRUCT_NAME equs "\1"
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NB_FIELDS = 0
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RSRESET
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ENDM
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; end_struct
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; Ends a struct declaration
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end_struct: MACRO
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; Set nb of fields
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STRUCT_NB_FIELDS equs "{STRUCT_NAME}_nb_fields"
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STRUCT_NB_FIELDS = NB_FIELDS
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PURGE STRUCT_NB_FIELDS
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; Set size of struct
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STRUCT_SIZEOF equs "sizeof_{STRUCT_NAME}"
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STRUCT_SIZEOF RB 0
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PURGE STRUCT_SIZEOF
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PURGE NB_FIELDS
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PURGE STRUCT_NAME
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ENDM
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; get_nth_field_info field_id
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; Defines EQUS strings pertaining to a struct's Nth field
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; For internal use, please do not use externally
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get_nth_field_info: MACRO
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; Field's name
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STRUCT_FIELD equs "{STRUCT_NAME}_field{d:\1}"
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STRUCT_FIELD_NAME equs "{STRUCT_FIELD}_name"
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STRUCT_FIELD_TYPE equs "{STRUCT_FIELD}_type"
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STRUCT_FIELD_NBEL equs "{STRUCT_FIELD}_nb_el" ; Number of elements
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STRUCT_FIELD_SIZE equs "{STRUCT_FIELD}_size" ; sizeof(type) * nb_el
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ENDM
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; new_field nb_elems, rs_type, field_name
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; For internal use, please do not use externally
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new_field: MACRO
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IF !DEF(STRUCT_NAME) || !DEF(NB_FIELDS)
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FAIL "Please start defining a struct, using `define_struct`"
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ENDC
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get_nth_field_info NB_FIELDS
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; Set field name (keep in mind `STRUCT_FIELD_NAME` is *itself* an EQUS!)
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STRUCT_FIELD_NAME equs "\"\3\""
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PURGE STRUCT_FIELD_NAME
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; Set field offset
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STRUCT_FIELD \2 (\1)
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; Alias this in a human-comprehensive manner
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STRUCT_FIELD_NAME equs "{STRUCT_NAME}_\3"
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STRUCT_FIELD_NAME = STRUCT_FIELD
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; Compute field size
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CURRENT_RS RB 0
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STRUCT_FIELD_SIZE = CURRENT_RS - STRUCT_FIELD
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; Set properties
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STRUCT_FIELD_NBEL = \1
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STRUCT_FIELD_TYPE equs STRSUB("\2", 2, 1)
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PURGE STRUCT_FIELD
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PURGE STRUCT_FIELD_NAME
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PURGE STRUCT_FIELD_TYPE
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PURGE STRUCT_FIELD_NBEL
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PURGE STRUCT_FIELD_SIZE
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PURGE CURRENT_RS
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NB_FIELDS = NB_FIELDS + 1
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ENDM
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; bytes nb_bytes, field_name
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; Defines a field of N bytes
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bytes: MACRO
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new_field \1, RB, \2
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ENDM
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; words nb_words, field_name
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; Defines a field of N*2 bytes
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words: MACRO
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new_field \1, RW, \2
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ENDM
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; longs nb_longs, field_name
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; Defines a field of N*4 bytes
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longs: MACRO
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new_field \1, RL, \2
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ENDM
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; dstruct struct_type, INSTANCE_NAME[, ...]
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; Allocates space for a struct in memory
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; If no further arguments are supplied, the space is simply allocated (using `ds`)
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; Otherwise, the data is written to memory using the appropriate types
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; For example, a struct defined with `bytes 1, Field1` and `words 3, Field2` would have four extra arguments, one byte then three words.
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dstruct: MACRO
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NB_FIELDS equs "\1_nb_fields"
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IF !DEF(NB_FIELDS)
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FAIL "Struct \1 isn't defined!"
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ELIF _NARG != 2 && _NARG != NB_FIELDS + 2 ; We must have either a RAM declaration (no data args) or a ROM one (RAM args + data args)
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EXPECTED_NARG = 2 + NB_FIELDS
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FAIL "Invalid number of arguments, expected 2 or {d:EXPECTED_NARG} but got {d:_NARG}"
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ENDC
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; Define the two fields required by `get_nth_field_info`
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STRUCT_NAME equs "\1" ; Which struct `get_nth_field_info` should pull info about
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INSTANCE_NAME equs "\2" ; The instance's base name
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; RGBASM always expands `\X` macro args, so `IF _NARG > 2 && STRIN("\3", "=")` will error out when there are only 2 args
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; Therefore, the condition is checked here (we can't nest the `IF`s over there because that doesn't translate well to `ELSE`)
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IS_NAMED_INVOCATION = 0
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IF _NARG > 2
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IF STRIN("\3", "=")
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IS_NAMED_INVOCATION = 1
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ENDC
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ENDC
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IF IS_NAMED_INVOCATION
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; This is a named instantiation, translate that to an ordered one
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; This is needed because data has to be laid out in order, so some translation is needed anyways
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; And finally, it's better to re-use the existing code at the cost of a single nested macro, I believe
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MACRO_CALL equs "dstruct \1, \2" ; This will be used later, but define it now because `SHIFT` will be run
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; In practice `SHIFT` has no effect outside of one when invoked inside of a REPT block, but I hope this behavior is changed (causes a problem elsewhere)
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ARG_NUM = 3
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REPT NB_FIELDS
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; Find out which argument the current one is
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CUR_ARG equs "\3"
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; Remove all whitespace to obtain something like ".name=value" (whitespace are unnecessary and complexify parsing)
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strreplace CUR_ARG, " ", ""
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strreplace CUR_ARG, "\t", ""
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|
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EQUAL_POS = STRIN("{CUR_ARG}", "=")
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IF EQUAL_POS == 0
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FAIL "Argument #{ARG_NUM} (\3) does not contain an equal sign in this named instantiation"
|
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ELIF STRCMP(STRSUB("{CUR_ARG}", 1, 1), ".")
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FAIL "Argument #{ARG_NUM} (\3) does not start with a period"
|
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ENDC
|
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|
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FIELD_ID = -1
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CUR_FIELD_ID = 0
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REPT NB_FIELDS
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|
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; Get the name of the Nth field and compare
|
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TMP equs "{STRUCT_NAME}_field{d:CUR_FIELD_ID}_name"
|
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CUR_FIELD_NAME equs TMP
|
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PURGE TMP
|
||||
|
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IF !STRCMP(STRUPR("{CUR_FIELD_NAME}"), STRUPR(STRSUB("{CUR_ARG}", 2, EQUAL_POS - 2)))
|
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; Match found!
|
||||
IF FIELD_ID == -1
|
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FIELD_ID = CUR_FIELD_ID
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ELSE
|
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TMP equs "{STRUCT_NAME}_field{d:CUR_FIELD_ID}_name"
|
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CONFLICTING_FIELD_NAME equs TMP
|
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PURGE TMP
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FAIL "Fields {CUR_FIELD_NAME} and {CONFLICTING_FIELD_NAME} have conflicting names (case-insensitive), cannot perform named instantiation"
|
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ENDC
|
||||
ENDC
|
||||
|
||||
PURGE CUR_FIELD_NAME
|
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CUR_FIELD_ID = CUR_FIELD_ID + 1
|
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ENDR
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PURGE CUR_FIELD_ID
|
||||
|
||||
IF FIELD_ID == -1
|
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FAIL "Argument #{d:ARG_NUM} (\3) does not match any field of the struct"
|
||||
ENDC
|
||||
|
||||
INITIALIZER_NAME equs "FIELD_{d:FIELD_ID}_INITIALIZER"
|
||||
INITIALIZER_NAME equs STRSUB("{CUR_ARG}", EQUAL_POS + 1, STRLEN("{CUR_ARG}") - EQUAL_POS)
|
||||
PURGE INITIALIZER_NAME
|
||||
|
||||
; Go to next arg
|
||||
ARG_NUM = ARG_NUM + 1
|
||||
SHIFT
|
||||
PURGE CUR_ARG
|
||||
|
||||
ENDR
|
||||
|
||||
; Now that we matched each named initializer to their order, invoke the macro again but without names
|
||||
FIELD_ID = 0
|
||||
REPT NB_FIELDS
|
||||
TMP equs "{MACRO_CALL}"
|
||||
PURGE MACRO_CALL
|
||||
INITIALIZER_VALUE equs "{FIELD_{d:FIELD_ID}_INITIALIZER}"
|
||||
DELETE_INITIALIZER equs "PURGE FIELD_{d:FIELD_ID}_INITIALIZER"
|
||||
DELETE_INITIALIZER
|
||||
PURGE DELETE_INITIALIZER
|
||||
MACRO_CALL equs "{TMP}, {INITIALIZER_VALUE}"
|
||||
PURGE TMP
|
||||
PURGE INITIALIZER_VALUE
|
||||
FIELD_ID = FIELD_ID + 1
|
||||
ENDR
|
||||
|
||||
PURGE FIELD_ID
|
||||
; Clean up vars for nested invocation, otherwise some `equs` will be expanded
|
||||
PURGE INSTANCE_NAME
|
||||
PURGE STRUCT_NAME
|
||||
PURGE IS_NAMED_INVOCATION
|
||||
PURGE NB_FIELDS
|
||||
|
||||
MACRO_CALL ; Now do call the macro
|
||||
PURGE MACRO_CALL
|
||||
|
||||
|
||||
ELSE
|
||||
|
||||
|
||||
INSTANCE_NAME:: ; Declare the struct's root
|
||||
; Define instance's properties from struct's
|
||||
\2_nb_fields = NB_FIELDS
|
||||
sizeof_\2 = sizeof_\1
|
||||
|
||||
; Start defining fields
|
||||
FIELD_ID = 0
|
||||
REPT NB_FIELDS
|
||||
|
||||
get_nth_field_info FIELD_ID
|
||||
|
||||
FIELD_NAME equs STRCAT("{INSTANCE_NAME}_", STRUCT_FIELD_NAME)
|
||||
FIELD_NAME::
|
||||
|
||||
; We have defined a label, but now we also need the data backing it
|
||||
; There are basically two options:
|
||||
IF _NARG == 2 ; RAM definition, no data
|
||||
ds STRUCT_FIELD_SIZE
|
||||
ELSE
|
||||
|
||||
DATA_TYPE equs STRCAT("D", {{STRUCT_FIELD_TYPE}})
|
||||
|
||||
REPT STRUCT_FIELD_NBEL
|
||||
DATA_TYPE \3
|
||||
SHIFT
|
||||
ENDR
|
||||
PURGE DATA_TYPE
|
||||
ENDC
|
||||
|
||||
; Clean up vars for next iteration
|
||||
PURGE STRUCT_FIELD
|
||||
PURGE STRUCT_FIELD_NAME
|
||||
PURGE STRUCT_FIELD_TYPE
|
||||
PURGE STRUCT_FIELD_NBEL
|
||||
PURGE STRUCT_FIELD_SIZE
|
||||
PURGE FIELD_NAME
|
||||
|
||||
FIELD_ID = FIELD_ID + 1
|
||||
ENDR
|
||||
|
||||
|
||||
; Clean up
|
||||
PURGE FIELD_ID
|
||||
; Make sure to keep what's here in sync with cleanup at the end of a named invocation
|
||||
PURGE INSTANCE_NAME
|
||||
PURGE STRUCT_NAME
|
||||
PURGE IS_NAMED_INVOCATION
|
||||
PURGE NB_FIELDS
|
||||
ENDC
|
||||
ENDM
|
||||
|
||||
|
||||
; dstructs nb_structs, struct_type, INSTANCE_NAME
|
||||
; Allocates space for an array of structs in memory
|
||||
; Each struct will have the index appended to its name **as hex**
|
||||
; (for example: `dstructs 32, NPC, wNPC` will define wNPC0, wNPC1, and so on until wNPC1F)
|
||||
; This is a limitation because RGBASM does not provide an easy way to get the decimal representation of a number
|
||||
; Does not support data declarations because I think each struct should be defined individually for that purpose
|
||||
dstructs: MACRO
|
||||
STRUCT_ID = 0
|
||||
REPT \1
|
||||
dstruct \2, \3{X:STRUCT_ID}
|
||||
STRUCT_ID = STRUCT_ID + 1
|
||||
ENDR
|
||||
|
||||
PURGE STRUCT_ID
|
||||
ENDM
|
||||
Binary file not shown.
Binary file not shown.
|
|
@ -2,23 +2,15 @@
|
|||
; Actor Animation
|
||||
;-----------------
|
||||
|
||||
SECTION "Actor Variables Struct", WRAM, ALIGN[8]
|
||||
|
||||
wWorldX: dw
|
||||
wWorldY: dw
|
||||
wActorState: db
|
||||
wActorCounter: db
|
||||
wActorData: dw
|
||||
wActorTile: dw
|
||||
|
||||
SECTION "Actor", ROM0
|
||||
|
||||
Actor::
|
||||
ActorROM::
|
||||
.structs:
|
||||
dw ActorIdle
|
||||
.tiles:
|
||||
ActorIdle::
|
||||
db 60
|
||||
db 15
|
||||
dw .framePa
|
||||
db 15
|
||||
dw .frameRe
|
||||
|
|
|
|||
|
|
@ -2,20 +2,33 @@
|
|||
; Animation Subs
|
||||
;----------------
|
||||
|
||||
SECTION "Animation Variables", HRAM
|
||||
struct Actor
|
||||
bytes 1, YPos
|
||||
bytes 1, XPos
|
||||
bytes 1, GFXCounter
|
||||
bytes 1, GFXState
|
||||
words 1, GFXData
|
||||
bytes 1, TileData
|
||||
end_struct
|
||||
|
||||
hCameraX: dw
|
||||
hCameraY: dw
|
||||
SECTION "Actor STructs", WRAM0
|
||||
|
||||
hWorkingX: dw
|
||||
hWorkingY: dw
|
||||
hWorkingScreenX: db
|
||||
hWorkingScreenY: db
|
||||
hWorkingState: db
|
||||
hWorkingCounter: db
|
||||
hWorkingData: dw
|
||||
hWorkingTile: dw
|
||||
hWorkingEnd:
|
||||
dstruct Actor, Player
|
||||
|
||||
SECTION "Animation Variables", WRAM0
|
||||
|
||||
wCameraX: dw
|
||||
wCameraY: dw
|
||||
|
||||
wWorkingX: dw
|
||||
wWorkingY: dw
|
||||
wWorkingScreenX: db
|
||||
wWorkingScreenY: db
|
||||
wWorkingState: db
|
||||
wWorkingCounter: db
|
||||
wWorkingData: dw
|
||||
wWorkingTile: db
|
||||
wWorkingEnd:
|
||||
|
||||
SECTION "Animations Subs", ROM0
|
||||
|
||||
|
|
@ -32,28 +45,119 @@ SECTION "Animations Subs", ROM0
|
|||
; copied to shadowOAM (wShadowOAM)
|
||||
|
||||
RenderActor::
|
||||
|
||||
; load world X and Y to temp RAM
|
||||
; @input: hl <- Player
|
||||
; @input: de <- ShadowOAM place
|
||||
ld a, [hli] ; a <- YPos
|
||||
ld [wWorkingScreenY], a
|
||||
ld a, [hli] ; a <- XPos
|
||||
ld [wWorkingScreenX], a
|
||||
push hl
|
||||
ld a, [hli] ; a <- GFXCounter
|
||||
ld [wWorkingCounter], a
|
||||
ld a, [hli] ; a <- GFXState
|
||||
ld [wWorkingState], a
|
||||
ld a, [hli] ; a <- GFXData(Low)
|
||||
ld [wWorkingData+1], a
|
||||
ld a, [hli] ; a <- GFXData (High)
|
||||
ld [wWorkingData], a
|
||||
ld a, [hl] ; a <- TileData
|
||||
ld [wWorkingTile], a
|
||||
; fin loading data
|
||||
ld a, [wWorkingData]
|
||||
ld l, a
|
||||
ld a, [wWorkingData+1]
|
||||
ld h, a
|
||||
; add actor struct offset saved in wWorkingState
|
||||
ld a, [wWorkingState]
|
||||
rlca ; double state offset because of word length
|
||||
add a, l
|
||||
ld l, a
|
||||
adc a, h
|
||||
sub l
|
||||
ld h, a ; hl contains state struct pointer
|
||||
ld a, [hli]
|
||||
ld [hWorkingX], a
|
||||
ld a, [hli]
|
||||
ld [hWorkingX+1], a
|
||||
ld a, [hli]
|
||||
ld [hWorkingY], a
|
||||
ld a, [hli]
|
||||
ld [hWorkingY+1], a
|
||||
; done loading X and Y
|
||||
; figure out if within 256 of camera
|
||||
; ---------
|
||||
; first compare upper byte of XXYY
|
||||
; if this is more than 1 away, break
|
||||
ld a, [hCameraX]
|
||||
ld b, a
|
||||
ld a, [hWorkingX]
|
||||
; b = camera byte
|
||||
; a = actor byte
|
||||
; work out if actor minus camera is <= 1
|
||||
sub b
|
||||
; ---------
|
||||
ld a, [hl]
|
||||
ld l, b
|
||||
ld h, a
|
||||
ld a, [hli] ; a <- state frame limit
|
||||
ld b, a
|
||||
ld a, [wWorkingCounter]
|
||||
inc a
|
||||
ld c, a
|
||||
ld a, b
|
||||
ld b, c
|
||||
cp b
|
||||
ld a, b
|
||||
jr nc, .continueAnimation
|
||||
xor a
|
||||
.continueAnimation
|
||||
; TODO: make counter 0 indexed so doesnt skip first frame
|
||||
ld [wWorkingCounter], a
|
||||
ld b, h
|
||||
ld c, l
|
||||
pop hl
|
||||
ld [hl], a
|
||||
ld h, b
|
||||
ld l, c
|
||||
.loopFrameFind
|
||||
ld b, a ; b <- current frame count
|
||||
ld a, [hli] ; a <- next frame block
|
||||
ld c, a
|
||||
ld a, b
|
||||
ld b, c
|
||||
sub b
|
||||
jr z, .foundFrame
|
||||
jr c, .foundFrame
|
||||
inc hl
|
||||
inc hl
|
||||
jr .loopFrameFind
|
||||
.foundFrame
|
||||
ld a, [hli]
|
||||
ld b, a
|
||||
ld a, [hl]
|
||||
ld h, a
|
||||
ld l, b ; hl <- pointer to frame data
|
||||
ld a, [hli]
|
||||
ld b, a ; b <- sprite counter
|
||||
.spriteLoop
|
||||
; load Y position, then offset by -16
|
||||
ld a, [hli]
|
||||
ld c, a
|
||||
ld a, [wWorkingScreenY]
|
||||
add c
|
||||
ld c, 16
|
||||
add c
|
||||
ld [de], a ; store YPos in shadowOAM
|
||||
inc de
|
||||
; load X position, then offset by -8
|
||||
ld a, [hli]
|
||||
ld c, a
|
||||
ld a, [wWorkingScreenX]
|
||||
add c
|
||||
ld c, 8
|
||||
add c
|
||||
ld [de], a ; store YPos in shadowOAM
|
||||
inc de
|
||||
; load tile offset, and add to base tile pointer
|
||||
ld a, [hli]
|
||||
ld c, a
|
||||
ld a, [wWorkingTile]
|
||||
add c
|
||||
ld [de], a
|
||||
inc de
|
||||
; load attributes and xor them
|
||||
ld a, [hli]
|
||||
ld c, a
|
||||
ld a, 0 ; TO DO: set base attributes
|
||||
xor c
|
||||
ld [de], a
|
||||
inc de
|
||||
; end of single sprite
|
||||
dec b
|
||||
jr nz, .spriteLoop
|
||||
ret
|
||||
|
||||
.skipRendering
|
||||
BUFFER EQU 160
|
||||
TRUE EQU $42
|
||||
FALSE EQU $69
|
||||
|
|
|
|||
|
|
@ -57,3 +57,4 @@ hOAMDMA:
|
|||
SECTION "Shadow OAM", WRAM0,ALIGN[8]
|
||||
wShadowOAM::
|
||||
ds 4*40
|
||||
wShadowOAMEnd::
|
||||
|
|
|
|||
138
src/entry.asm
138
src/entry.asm
|
|
@ -2,9 +2,7 @@
|
|||
; Program Start
|
||||
;----------------
|
||||
|
||||
BUFFER EQU 160
|
||||
TRUE EQU $42
|
||||
FALSE EQU $69
|
||||
INCLUDE "src/actor.asm"
|
||||
|
||||
SECTION "Program Start", ROM0[$150]
|
||||
Start:
|
||||
|
|
@ -17,6 +15,7 @@ Start:
|
|||
xor a
|
||||
ldh [rLCDC], a
|
||||
call Clear_Map
|
||||
call Clear_OAM
|
||||
call Load_Tiles
|
||||
; call Load_Map
|
||||
ld a, %11100100
|
||||
|
|
@ -32,129 +31,26 @@ Start:
|
|||
call CopyDMARoutine
|
||||
|
||||
ld a, 72
|
||||
ld [rPlayerX], a
|
||||
ld a, 88
|
||||
ld [rPlayerY], a
|
||||
|
||||
;----
|
||||
; Testing
|
||||
;----
|
||||
ld a, HIGH(ANS)
|
||||
ld h, a
|
||||
ld a, LOW(ANS)
|
||||
ld l, a
|
||||
|
||||
; Case One: Camera@E100 vs Actor@E195 (Pass)
|
||||
ld a, $E1
|
||||
ld [N], a
|
||||
ld a, $E1
|
||||
ld [X], a
|
||||
ld a, $00
|
||||
ld [N+1], a
|
||||
ld a, $95
|
||||
ld [X+1], a
|
||||
call CheckBoundry
|
||||
|
||||
; Case One: Camera@E095 vs Actor@E120 (Pass)
|
||||
ld a, $E0
|
||||
ld [N], a
|
||||
ld a, $E1
|
||||
ld [X], a
|
||||
ld a, $95
|
||||
ld [N+1], a
|
||||
ld a, $20
|
||||
ld [X+1], a
|
||||
call CheckBoundry
|
||||
|
||||
; Case One: Camera@E100 vs Actor@E1FF (Fail)
|
||||
ld a, $E1
|
||||
ld [N], a
|
||||
ld a, $E1
|
||||
ld [X], a
|
||||
ld a, $00
|
||||
ld [N+1], a
|
||||
ld a, $FF
|
||||
ld [X+1], a
|
||||
call CheckBoundry
|
||||
|
||||
; Case One: Camera@E1F0 vs Actor@E2DE (Fail)
|
||||
ld a, $E1
|
||||
ld [N], a
|
||||
ld a, $E2
|
||||
ld [X], a
|
||||
ld a, $F0
|
||||
ld [N+1], a
|
||||
ld a, $DE
|
||||
ld [X+1], a
|
||||
call CheckBoundry
|
||||
ld [Player_YPos], a
|
||||
ld a, 80
|
||||
ld [Player_XPos], a
|
||||
xor a
|
||||
ld [Player_GFXCounter], a
|
||||
ld [Player_GFXState], a
|
||||
ld [Player_TileData], a
|
||||
ld a, HIGH(ActorROM)
|
||||
ld [Player_GFXData], a
|
||||
ld a, LOW(ActorROM)
|
||||
ld [Player_GFXData + 1], a
|
||||
|
||||
game_loop:
|
||||
call Wait_VBlank
|
||||
call Read_Pad
|
||||
call PC_Update
|
||||
call Player_To_OAM
|
||||
call Clear_OAM
|
||||
ld de, wShadowOAM
|
||||
ld hl, Player
|
||||
call RenderActor
|
||||
ld a, HIGH(wShadowOAM)
|
||||
call hOAMDMA
|
||||
jr game_loop
|
||||
|
||||
CheckBoundry::
|
||||
;-----
|
||||
; Check if word X is within BUFFER ahead of N
|
||||
; BUFFER is always <= 255
|
||||
; hl contains address to save result to
|
||||
;-----
|
||||
;= load high bytes
|
||||
ld a, [N]
|
||||
ld b, a
|
||||
ld a, [X]
|
||||
sub b
|
||||
;= if carry is set, N is behind X, so skip
|
||||
jr c, .skipRender
|
||||
ld b, a
|
||||
ld a, 2
|
||||
cp b
|
||||
;= if the difference is 2 or greater
|
||||
;= we are not within BUFFER, so skip
|
||||
jr c, .skipRender
|
||||
jr z, .skipRender
|
||||
dec a
|
||||
cp b
|
||||
;= if the high byte differ by 1, we
|
||||
;= need to check over a a page
|
||||
jr z, .swap
|
||||
;= load the low bytes
|
||||
ld a, [N+1]
|
||||
ld b, a
|
||||
ld a, [X+1]
|
||||
sub b
|
||||
ld b, a
|
||||
ld a, BUFFER
|
||||
cp b
|
||||
;= if the difference is greater than
|
||||
;= the buffer, skip
|
||||
jr c, .skipRender
|
||||
jr .render
|
||||
.swap
|
||||
;= load the low bytes in the opposite order
|
||||
ld a, [X+1]
|
||||
ld b, a
|
||||
ld a, [N+1]
|
||||
sub b
|
||||
ld b, a
|
||||
ld a, $FF - BUFFER
|
||||
cp b
|
||||
;= if they differ by the inverse of the buffer
|
||||
;= they will not be within the gap between pages
|
||||
jr nc, .skipRender
|
||||
.render
|
||||
;= success, do rendering stuff
|
||||
; beep boop rendering stuff
|
||||
ld a, TRUE
|
||||
ld [hli], a
|
||||
ret
|
||||
.skipRender
|
||||
;= failure, skip this one
|
||||
; doing other stuff here
|
||||
ld a, FALSE
|
||||
ld [hli], a
|
||||
ret
|
||||
|
|
|
|||
|
|
@ -1,7 +1,9 @@
|
|||
INCLUDE "inc/hardware.inc"
|
||||
INCLUDE "inc/structs.asm"
|
||||
INCLUDE "ass/parecivo.ass"
|
||||
INCLUDE "ass/tiles.ass"
|
||||
INCLUDE "ass/map.ass"
|
||||
INCLUDE "src/animation.asm"
|
||||
INCLUDE "src/entry.asm"
|
||||
INCLUDE "src/header.asm"
|
||||
INCLUDE "src/defines.asm"
|
||||
|
|
|
|||
22
src/misc.asm
22
src/misc.asm
|
|
@ -134,16 +134,28 @@ PC_Update:
|
|||
ret
|
||||
|
||||
|
||||
Clear_Map:
|
||||
xor a
|
||||
ld hl, _SCRN0
|
||||
ld bc, _SCRN0_END - _SCRN0
|
||||
Clear_OAM:
|
||||
ld hl, wShadowOAM
|
||||
ld bc, wShadowOAMEnd - wShadowOAM
|
||||
.loop:
|
||||
xor a
|
||||
ld [hli], a
|
||||
dec bc
|
||||
ld a, b
|
||||
or c
|
||||
jr z, .loop
|
||||
jr nz, .loop
|
||||
ret
|
||||
|
||||
Clear_Map:
|
||||
ld hl, _SCRN0
|
||||
ld bc, _SCRN0_END - _SCRN0
|
||||
.loop:
|
||||
xor a
|
||||
ld [hli], a
|
||||
dec bc
|
||||
ld a, b
|
||||
or c
|
||||
jr nz, .loop
|
||||
ret
|
||||
|
||||
Load_Tiles:
|
||||
|
|
|
|||
Loading…
Reference in a new issue