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kolibrios-fun/programs/games/rstearth/show_object.inc
Marat Zakiyanov (Mario79) 0ce1475dad Rusty Earth - prototype of the game 
git-svn-id: svn://kolibrios.org@5253 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-12-21 20:22:09 +00:00

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7.5 KiB
PHP
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;---------------------------------------------------------------------
calculate_new_characters_offsets_and_sizes:
mov eax,[ecx]
shr eax,16
and eax,0xff
;--------------------------------------
cmp eax,ROUTE_UP
jne @f
xor eax,eax
mov [characters_offset_y],eax
mov [characters_offset_x],eax
mov [buffer_offset_x],eax
mov eax,[show_tiles_iterations]
dec eax
mov [buffer_offset_y],eax
mov eax,SPRITE_SIZE_Y
sub eax,[buffer_offset_y]
mov [characters_size_y],eax
mov eax,SPRITE_SIZE_X
mov [characters_size_x],eax
jmp .ready
;--------------------------------------
@@:
cmp eax,ROUTE_DOWN
jne @f
xor eax,eax
mov [characters_offset_x],eax
mov [buffer_offset_y],eax
mov [buffer_offset_x],eax
mov eax,[show_tiles_iterations]
dec eax
mov [characters_offset_y],eax
mov eax,SPRITE_SIZE_Y
sub eax,[characters_offset_y]
mov [characters_size_y],eax
mov eax,SPRITE_SIZE_X
mov [characters_size_x],eax
jmp .ready
;--------------------------------------
@@:
cmp eax,ROUTE_LEFT
jne @f
xor eax,eax
mov [characters_offset_y],eax
mov [characters_offset_x],eax
mov [buffer_offset_y],eax
mov eax,[show_tiles_iterations]
dec eax
mov [buffer_offset_x],eax
mov eax,SPRITE_SIZE_X
sub eax,[buffer_offset_x]
mov [characters_size_x],eax
mov eax,SPRITE_SIZE_Y
mov [characters_size_y],eax
jmp .ready
;--------------------------------------
@@:
xor eax,eax
mov [characters_offset_y],eax
mov [buffer_offset_y],eax
mov [buffer_offset_x],eax
mov eax,[show_tiles_iterations]
dec eax
mov [characters_offset_x],eax
mov eax,SPRITE_SIZE_X
sub eax,[characters_offset_x]
mov [characters_size_x],eax
mov eax,SPRITE_SIZE_Y
mov [characters_size_y],eax
;--------------------------------------
.ready:
ret
;---------------------------------------------------------------------
calculate_old_characters_offsets_and_sizes:
mov eax,[ecx]
shr eax,16
and eax,0xff
;--------------------------------------
cmp eax,ROUTE_UP
jne @f
xor eax,eax
mov [characters_offset_x],eax
mov [buffer_offset_y],eax
mov [buffer_offset_x],eax
mov eax,SPRITE_SIZE_Y
sub eax,[show_tiles_iterations]
inc eax
mov [characters_offset_y],eax
mov eax,[show_tiles_iterations]
dec eax
mov [characters_size_y],eax
mov eax,SPRITE_SIZE_X
mov [characters_size_x],eax
jmp .ready
;--------------------------------------
@@:
cmp eax,ROUTE_DOWN
jne @f
xor eax,eax
mov [characters_offset_x],eax
mov [characters_offset_y],eax
mov [buffer_offset_x],eax
mov eax,SPRITE_SIZE_Y
sub eax,[show_tiles_iterations]
inc eax
mov [buffer_offset_y],eax
mov eax,[show_tiles_iterations]
dec eax
mov [characters_size_y],eax
mov eax,SPRITE_SIZE_X
mov [characters_size_x],eax
jmp .ready
;--------------------------------------
@@:
cmp eax,ROUTE_LEFT
jne @f
xor eax,eax
mov [characters_offset_y],eax
mov [buffer_offset_y],eax
mov [buffer_offset_x],eax
mov eax,SPRITE_SIZE_X
sub eax,[show_tiles_iterations]
inc eax
mov [characters_offset_x],eax
mov eax,[show_tiles_iterations]
dec eax
mov [characters_size_x],eax
mov eax,SPRITE_SIZE_Y
mov [characters_size_y],eax
jmp .ready
;--------------------------------------
@@:
xor eax,eax
mov [characters_offset_y],eax
mov [characters_offset_x],eax
mov [buffer_offset_y],eax
mov eax,SPRITE_SIZE_X
sub eax,[show_tiles_iterations]
inc eax
mov [buffer_offset_x],eax
mov eax,[show_tiles_iterations]
dec eax
mov [characters_size_x],eax
mov eax,SPRITE_SIZE_Y
mov [characters_size_y],eax
;--------------------------------------
.ready:
ret
;---------------------------------------------------------------------
analize_and_copy_object:
; DEBUGF 1, "analize_and_copy_object\n"
pusha
mov ebp,[ecx]
; DEBUGF 1, "EBP: %x ECX: %x\n",ebp, ecx
shr ebp,8
and ebp,0xff
test ebp,ebp
jz .no_characters
cmp ebp,OBJECT_DEATH
jnz @f
mov ebp,[ecx]
shr ebp,16
and ebp,0xff
mov eax,[npc_death_icons]
jmp .copy_characters_1
;--------------------------------------
@@:
cmp ebp,OBJECT_SKELETON
jnz @f
mov ebp,[ecx]
shr ebp,16
and ebp,0xff
mov eax,[npc_skeleton_icons]
jmp .copy_characters_1
;--------------------------------------
@@:
cmp ebp,OBJECT_IFRIT
jnz @f
mov ebp,[ecx]
shr ebp,16
and ebp,0xff
mov eax,[npc_ifrit_icons]
jmp .copy_characters_1
;--------------------------------------
@@:
cmp ebp,OBJECT_BARRET
jnz @f
mov ebp,[ecx]
shr ebp,16
and ebp,0xff
mov eax,[npc_barret_icons]
jmp .copy_characters_1
;--------------------------------------
@@:
cmp ebp,OBJECT_PROTAGONIST
jnz @f
mov eax,[npc_miku_icons]
mov ebp,[protagonist_route]
cmp ebp,5
jb .copy_characters_1
sub ebp,4
jmp .copy_characters_kick
;--------------------------------------
@@:
cmp ebp,OBJECT_RED_BRICK
jnz @f
mov eax,[red_brick_icons]
mov ebp,1
jmp .copy_characters
;--------------------------------------
@@:
cmp ebp,OBJECT_WHITE_BRICK
jnz @f
mov eax,[white_brick_icons]
mov ebp,1
jmp .copy_characters
;--------------------------------------
@@:
cmp ebp,RED_BRICK_CRASH_1 ; 0x80 - reb brick crash 1
jnz @f
; DEBUGF 1, "reb brick crash 11\n"
mov eax,[red_brick_icons]
mov ebp,2
jmp .copy_characters
;--------------------------------------
@@:
cmp ebp,RED_BRICK_CRASH_2 ; 0x81 - reb brick crash 2
jnz .no_characters
; DEBUGF 1, "reb brick crash 21\n"
mov eax,[red_brick_icons]
mov ebp,3
;--------------------------------------
.copy_characters:
dec ebp
imul ebp,SPRITE_SIZE_X*SPRITE_SIZE_Y; 8bpp
call copy_characters_with_offset
;--------------------------------------
.no_characters:
; DEBUGF 1, "analize_and_copy_object END\n"
popa
ret
;--------------------------------------
.copy_characters_kick:
dec ebp
imul ebp,SPRITE_SIZE_X*SPRITE_SIZE_Y; 8bpp
add ebp,SPRITE_SIZE_X*SPRITE_SIZE_Y*4*4 ; 8 bpp * 4 frames * 4 route
call copy_characters_with_offset
jmp .no_characters
;--------------------------------------
.copy_characters_1:
dec ebp
imul ebp,SPRITE_SIZE_X*SPRITE_SIZE_Y*4 ; 8 bpp * 4 frames
mov ebx,[show_tiles_iterations]
dec ebx
shr ebx,4 ; divider 16
imul ebx,SPRITE_SIZE_X*SPRITE_SIZE_Y ; 8bpp
add ebp,ebx
call copy_characters_with_offset
jmp .no_characters
;---------------------------------------------------------------------
copy_characters_with_offset:
; DEBUGF 1, "copy_characters_with_offset\n"
pusha ; ecx
mov esi,[eax+28] ; data offset
add esi,eax
add esi,ebp
mov ebp,[eax+20] ; palette offset
add ebp,eax
; add Y offset to source
mov eax,[characters_offset_y]
imul eax,SPRITE_SIZE_X ; 8bpp
add esi,eax
; add X offset to source
mov eax,[characters_offset_x]
add esi,eax ; 8bpp
mov edi,buffer_area
; add Y offset to destination
mov eax,[buffer_offset_y]
imul eax,SPRITE_SIZE_X*4 ; 32bpp
add edi,eax
; add X offset to destination
mov eax,[buffer_offset_x]
shl eax,2 ; 32bpp
add edi,eax
mov edx,[characters_size_y]
mov ecx,[characters_size_x]
cld
;--------------------------------------
.y:
push ecx esi edi
;--------------------------------------
.x:
lodsb
test al,al
jz .transparently
and eax,0xff
shl eax,2
mov eax,[ebp+eax] ; palette value
mov [edi],eax
;--------------------------------------
.transparently:
add edi,4
dec ecx
jnz .x
pop edi esi ecx
add esi,SPRITE_SIZE_X ; 8bpp
add edi,SPRITE_SIZE_X*4 ; 32bpp
dec edx
jnz .y
popa
ret
;---------------------------------------------------------------------
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