mirror of https://github.com/nmlgc/ReC98.git
[Reverse-engineering] [th05] Cutscenes: Shift-JIS codepoint ➜ text color map
Populated by the `\c=<codepoint>,<color>` commands seen at the top of the .TXT files. Part of P0116, funded by [Anonymous] and Lmocinemod.
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nmlgc
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0b7d541e30
commit
650d863942
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@ -0,0 +1,25 @@
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extern "C" {
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#include "ReC98.h"
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/// String-to-color map
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/// -------------------
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/// Used to automatically change the text color whenever a specific
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/// Shift-JIS codepoint is encountered.
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static const int COLMAP_COUNT = 8;
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typedef struct {
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twobyte_t kanji;
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int8_t padding[4]; // Might have been originally meant for full strings?
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} colmap_key_t;
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typedef struct {
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uint4_t values[COLMAP_COUNT];
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colmap_key_t keys[COLMAP_COUNT];
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} colmap_t;
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extern colmap_t colmap;
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extern unsigned char colmap_count;
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/// -------------------
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extern unsigned char text_col;
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}
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@ -705,6 +705,17 @@ sub_A92B endp
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; =============== S U B R O U T I N E =======================================
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; Attributes: bp-based frame
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COLMAP_COUNT = 8
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colmap_key_t struc
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CMK_kanji dw ?
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db 4 dup (?)
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colmap_key_t ends
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colmap_t struc
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CM_values db COLMAP_COUNT dup (?)
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CM_keys colmap_key_t COLMAP_COUNT dup (<?>)
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colmap_t ends
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sub_A9C3 proc near
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@ -789,14 +800,14 @@ loc_AA6A:
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pop cx
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mov [bp+arg_0], al
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cmp [bp+arg_0], '='
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jz loc_AF34
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jz @@colmap_add
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mov word_1500C, 0Fh
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push ss
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lea ax, [bp+var_2]
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push ax
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call sub_A738
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mov al, byte ptr [bp+var_2]
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mov col_1500A, al
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mov _text_col, al
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jmp loc_AF8F ; default
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; ---------------------------------------------------------------------------
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@ -1273,35 +1284,35 @@ loc_AF18:
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jmp short loc_AF8F ; default
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; ---------------------------------------------------------------------------
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loc_AF34:
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@@colmap_add:
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inc _cutscene_script_ptr
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mov al, byte_10830
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mov al, _colmap_count
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mov ah, 0
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imul ax, 6
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imul ax, size colmap_key_t
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mov bx, _cutscene_script_ptr
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mov dl, [bx]
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mov bx, ax
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mov [bx+4ED3h], dl
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mov byte ptr (_colmap.CM_keys[bx].CMK_kanji + 0), dl
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inc _cutscene_script_ptr
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mov al, byte_10830
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mov al, _colmap_count
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mov ah, 0
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imul ax, 6
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imul ax, size colmap_key_t
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mov bx, _cutscene_script_ptr
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mov dl, [bx]
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mov bx, ax
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mov [bx+4ED4h], dl
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mov byte ptr (_colmap.CM_keys[bx].CMK_kanji + 1), dl
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add _cutscene_script_ptr, 2
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mov word_1500C, 0Fh
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push ss
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lea ax, [bp+var_2]
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push ax
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call sub_A738
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mov al, byte_10830
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mov al, _colmap_count
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mov ah, 0
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mov dl, byte ptr [bp+var_2]
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mov bx, ax
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mov [bx+4ECBh], dl
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inc byte_10830
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mov _colmap.CM_values[bx], dl
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inc _colmap_count
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jmp short loc_AF8F ; default
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; ---------------------------------------------------------------------------
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@ -1359,7 +1370,7 @@ var_3 = word ptr -3
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mov point_15004.x, 80
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mov point_15004.y, 320
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mov word_15008, 2
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mov col_1500A, 15
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mov _text_col, 15
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mov _graph_putsa_fx_func, 2
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mov byte_14F8E, 0
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@ -1485,7 +1496,7 @@ loc_B0F4:
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push point_15004.x
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push point_15004.y
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push [bp+@@ch]
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mov al, col_1500A
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mov al, _text_col
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mov ah, 0
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push ax
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call graph_gaiji_putc
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@ -1505,36 +1516,36 @@ loc_B118:
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cmp point_15004.x, 80
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jnz short loc_B164
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xor si, si
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jmp short loc_B15B
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jmp short @@colmap_more?
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; ---------------------------------------------------------------------------
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loc_B140:
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@@colmap_loop:
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mov bx, si
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imul bx, 6
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mov ax, [bx+4ED3h]
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imul bx, size colmap_key_t
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mov ax, _colmap.CM_keys[bx].CMK_kanji
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les bx, [bp+@@str]
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cmp ax, es:[bx]
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jnz short loc_B15A
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mov al, [si+4ECBh]
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mov col_1500A, al
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jnz short @@colmap_next
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mov al, _colmap.CM_values[si]
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mov _text_col, al
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jmp short loc_B164
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; ---------------------------------------------------------------------------
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loc_B15A:
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@@colmap_next:
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inc si
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loc_B15B:
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mov al, byte_10830
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@@colmap_more?:
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mov al, _colmap_count
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mov ah, 0
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cmp ax, si
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jg short loc_B140
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jg short @@colmap_loop
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loc_B164:
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graph_showpage 0
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graph_accesspage 1
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push point_15004.x
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push point_15004.y
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mov al, col_1500A
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mov al, _text_col
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mov ah, 0
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push ax
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pushd [bp+@@str]
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@ -7706,7 +7717,8 @@ include th03/formats/pi_put_mask[data].asm
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include th05/formats/pi_buffers[bss].asm
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include th05/hardware/vram_planes[data].asm
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include th03/formats/cdg[data].asm
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byte_10830 db 0
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public _colmap_count
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_colmap_count db 0
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db 0
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db 88h
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db 88h
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@ -8090,10 +8102,14 @@ include th04/hardware/egccopyr[bss].asm
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include th04/end/cutscene_script[bss].asm
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db 4 dup(?)
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byte_14F8E db ?
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db 117 dup(?)
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db 60 dup(?)
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public _colmap
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_colmap colmap_t <?>
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evendata
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point_15004 Point <?>
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word_15008 dw ?
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col_1500A db ?
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public _text_col
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_text_col db ?
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db ?
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word_1500C dw ?
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measure_1500E dw ?
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