font_render_b.c

// structs taken from github.com/dkreuter/firered/ fbox.c
// assembler from github.com/shinyquagsire23/DisFire

struct fbox {
    void *function; //0
    char field_4; //4
    char x; //5
    char y; //6
    char field_7; //7
    char w; //8
    char h; //9
    u16 field_A; //A
};

struct remosub {
    union {
        char font_type;
        struct {
            u8 ft_lo : 4;
            u8 ft_hi : 4;
        };
    }
    char field_1;
    u16 frames_visible_counter;
    int field_4;
};

struct remo {
    void *char_cursor; //0
    u8 rbox_id; //4
    u8 fbox_id; //5
    u8 menu_cursor_1a; //6
    u8 menu_cursor_1b; //7
    u8 menu_cursor_2a; //8
    u8 menu_cursor_2b; //9
    u8 field_A; //A
    u8 field_B; //B
    u8 field_C; //C
    u8 field_D; //D
    u8 gap_E[2]; //E
    u32 field_10; //10
    remosub sub; //14
    u8 mode; // 1C
    u8 text_speed; //1D
    u8 field_1E; //1E
    u8 field_1F; //1F
    u8 field_20; //20
    u8 japanese; //21
};

font_render_b(remo* rm)
{
    switch (rm->mode)
    {
    default:
        return 1;
    case 0: //remo_x1C_0
        if (!(*(u16*)(0x30030F0 + 0x2C) & 3)) { //loc_80057E6
            if (rm->sub.font_type & (1 << 4)) {
                rm->field_1E = 0;
            }
        }
        if (rm->field_1E == 0 || rm->mode == 0) { //loc_8005828
            if (!(*(u8*)(0x3003E50) & (1 << 2))) { //loc_800583C
                rm->field_1E = rm->text_speed;
            } else {
                rm->field_1E = 1;
            }
            //loc_800583E+1
            unsigned char curc = *(rm->char_cursor);
            rm->char_cursor++;
            switch(curc) {
            default: //def_80058C4
                break;
            case 0xF8: //ctrl_F8
                unsigned char nextc2 = *(rm->char_cursor);
                rm->char_cursor++;
                u8 a = sub_80063C8(rm->rbox_id, nextc2, 
                                   rm->menu_cursor_2a, rm->menu_cursor_2b);
                *(0x3003DA0 + 256) = a;
                //loc_8005C4A
                rm->menu_cursor_2a += rm->field_A;
                return 0;
            case 0xF9: //ctrl_F9
                unsigned char nextc2 = *(rm->char_cursor);
                rm->char_cursor++;
                curc = nextc2 | (1 << 9); // curc is actually 32bit in a register
                break; //def_80058C4
            case 0xFA: //ctrl_FA
                rm->mode = 3;
                sub_80054C8(rm);
                //loc_8005B30
                return 3;
            case 0xFB: //ctrl_FB
                rm->mode = 2;
                sub_80054C8(rm);
                //loc_8005B30
                return 3;
            case 0xFC: //ctrl_FC
                unsigned char nextc = *(rm->char_cursor);
                rm->char_cursor++;
                switch(nextc) {
                default: //def_80058C4
                    break;
                case 0x1: //xFC_01
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++;
                    rm->mode = (rm->mode & 0xF) | (nextc2 << 4);
                    //loc_80059D2
                    sub_8002EA8(nextc2, rm->field_D & 0xF, rm->field_D >> 4);
                    //xFC_07
                    return 2;
                case 0x2: //xFC_02
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++;
                    rm->field_D = (rm->field_D & ~(1 << 4)) | (nextc2 & 0xF);
                    //loc_80059D2
                    sub_8002EA8(rm->field_C >> 4, rm->field_D & 0xF, rm->field_D << 4);
                    //xFC_07
                    return 2;
                case 0x3: //xFC_03
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++;
                    rm->field_D = (rm->field_D & 0xF) | (nextc << 4);
                    //loc_80059CA
                    sub_8002EA8(nextc2, rm->field_D & 0xF, rm->field_D >> 4);
                    //xFC_07
                    return 2;
                case 0x4: //xFC_04
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++;
                    rm->field_C = (rm->field_C & 0xF) | (nextc2 << 4);
                    unsigned char nextc3 = *(rm->char_cursor);
                    rm->char_cursor++;
                    rm-field_D = (rm->field_D & ~(1 << 4)) | (nextc3 & 0xF);
                    unsigned char nextc4 = *(rm->char_cursor);
                    rm->char_cursor++;
                    field_D = (rm->field_D & 0xF) | (nextc4 << 4);
                    //loc_80059CA
                    sub_8002EA8(rm->field_C >> 4, rm->field_D & 0xF, rm->field_D >> 4);
                    //xFC_07
                    return 2;
                case 0x5: //xFC_05
                    //loc_8005B0A
                    rm->char_cursor++;
                    return 2;
                case 0x6: //xFC_06
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->sub.font_type = (rm->sub.font_type & ~(1 << 4)) | (nextc2 & 0xF);
                    //loc_8005B0A
                    rm->char_cursor++;
                    return 2;
                case 0x7: //xFC_07
                    return 2;
                case 0x8: //xFC_08
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++;
                    rm->field_1E = nextc2;
                    rm->mode = 6;
                    //xFC_07
                    return 2;
                case 0x9: //xFC_09
                    rm->field_C = 1;
                    if (*(u8*)(0x3003E50) & (1 << 2)) {
                        *(0x3003E50 + 2) = 0;
                    }
                    //loc_8005B30
                    return 3;
                case 0xA: //xFC_0A
                    //loc_8005D52
                    rm->mode = 5;
                    return 3;
                case 0xB: //xFC_0B
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++;
                    unsigned char nextc3 = *(rm->char_cursor);
                    rm->char_cursor++;
                    if(*(u8*)(0x203ADFA) - 2 > 1) {
                        song_play_for_text((nextc3 << 8) | nextc2);
                    }
                    //xFC_07
                    return 2;
                case 0xC: //xFC_0C
                    unsigned char nextc3 = *(rm->char_cursor + 1);
                    rm->char_cursor++;
                    curc = nextc3
                    break; //def_80058C4
                case 0xD: //xFC_0D
                    unsigned char nextc2 = *(rm->char_cursor);
                    //loc_8005AD2
                    rm->char_cursor++;
                    rm->menu_cursor_2a = rm->menu_cursor_1a + nextc2;
                    //xFC_07
                    return 2;
                case 0xE: //xFC_0E
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++; //loc_8005AD6
                    rm->menu_cursor_2b = rm->menu_cursor_1b + nextc2;
                    //xFC_07
                    return 2;
                case 0xF: //xFC_0F
                    u8 a = ((rm->field_D & 0xF) << 4) | (rm->field_D & 0xF)
                    rboxid_clear_pixels(rm->rbox_id, a);
                    //xFC_07
                    return 2;
                case 0x10: //xFC_10
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++;
                    unsigned char nextc3 = *(rm->char_cursor);
                    rm->char_cursor++;
                    audio_play((nextc3 << 8) | nextc2);
                    //xFC_07
                    return 2;
                case 0x11: //xFC_11
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++;
                    if (nextc2) {
                        nullsub_2(rm, nextc2);
                        // r0 = rm->menu_cursor_2a + nextc2
                        //loc_8005C4E
                    }
                    //xFC_07
                    return 2;
                case 0x12: //xFC_12
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++;
                    rm->menu_cursor_2a = menu_cursor_1a + nextc2;
                    //xFC_07
                    return 2;
                case 0x13: //xFC_13_menu_arrow
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++;
                    u8 a = rm->menu_cursor_1a - rm->menu_cursor_2a + nextc2;
                    if (a) {
                        nullsub_2(rm, a);
                        //loc_8005C4E
                        rm->menu_cursor_2a += a;
                        return 0;
                    }
                    return 2;
                case 0x14: //xFC_14
                    unsigned char nextc2 = *(rm->char_cursor);
                    rm->char_cursor++; //loc_8005B0A
                    rm->field_20 = nextc2;
                    return 2;
                case 0x15: //xFC_15
                    rm->japanese = 1;
                    return 2;
                case 0x16: //xFC_16
                    rm->japanese = 0;
                    return 2;
                case 0x17: //xFC_17
                    MPlayStop_rev01(0x3007300);
                    return 2;
                case 0x18: //xFC_18
                    m4aMPlayContinue(0x3007300);
                    return 2;
                }
                break;
            case 0xFD: //ctrl_FD
                //loc_8005B0A
                rm->char_cursor++;
                return 2;
            case 0xFE: //ctrl_FE
                rm->menu_cursor_2a = rm->menu_cursor_1a;
                u8 fbox_5 = (rm->fbox_id * 16 + *(0x3003D90) + 5);
                rm->menu_cursor_2b = fbox_5 + rm->field_B + rm->menu_cursor2b;
                return 2;
            }
            switch(rm->sub.font_type & 0xF)
            {
            case 0: //loc_8005B9C
                font_render_tiny_en_jp(curc, rm->japanese);
                break;
            case 1: //loc_8005BAA
                font_render_other_en_jp(curc, rm->japanese);
                break;
            case 2: //loc_8005BB8
                font_render_black_en_jp(curc, rm->japanese);
                break;
            case 3: //loc_8005BC6
                sub_8006724(curc, rm->japanese);
                break;
            case 4: //loc_8005BD4
                font_render_blue_en_jp(curc, rm->japanese);
                break;
            case 5: //loc_8005BE2
                font_render_red_en_jp(curc, rm->japanese);
                break;
            default:
                break;
            }
            sub_8003014(rm);
            u8 a = *(0x3003DA0 + 256)
            if (!rm->field_20) { //loc_8005C28
                if (!rm->japanese) { //loc_8005C44
                    rm->menu_cursor_2a += a
                } else { //loc_8005C4C
                    rm->menu_cursor_2a += a + field_A;
                }
                return 0;
            }
            rm->menu_cursor_2a += a;
            if (rm->field_20 - a < 1) { //loc_8005C50
                return 0;
            }
            nullsub_2(rm, a);
            //loc_8005C4E
            rm->menu_cursor_2a += a;
            return 0;
        }
        rm->field_1E--;
        if (*(u8*)(0x3003E50) & 1) { //loc_8005804
            if (*(u16)(0x30030F0 + 0x2E) & 3) { //loc_8005810
                rm->sub.font_type |= (1 << 4);
                rm->field_1E = 0;
            }
        }
        //loc_8005B30
        return 3;
        
        
    case 1: //remo_x1C_1
        if (remo_is_it_time_to_continue(rm)) { //loc_8005C66
            rm->mode = 0;
        }
        return 3;
    case 2: //remo_x1C_2
        if (remo_is_it_time_to_continue_plus_80054F8(rm)) { //loc_8005C7A
            u8 a = ((rm->field_D & 0xF) << 4) | (rm->field_D & 0xF);
            rboxid_clear_pixels(rm->rbox_id, a);
            rm->menu_cursor_2a = rm->menu_cursor_1a;
            rm->menu_cursor_2b = rm->menu_cursor_1b;
            rm->mode = 0;
        }
        return 3;
    case 3: //remo_x1C_3
        if (remo_is_it_time_to_continue_plus_80054F8(rm)) { //loc_8005CA6
            void* a = *(u32*)(0x3003D90) + fbox_id * 12;
            rm->field_1F = *(u8)(a + 5) + rm->field_B;
            rm->menu_cursor_2a = rm->menu_cursor_1a;
            rm->mode = 4;
        }
        return 3;
    case 4: //remo_x1C_4_scrolling
        if (!rm->field_1F) { //loc_8005D40
            rm->mode = rm->field_1F;
            return 3;
        }
        u8 a = *(0x300500C + 0x14);
        u8 b = ((rm->field_D & 0xF) << 4) | (rm->field_D & 0xF);
        if (*(u8*)(text_speeds + (a & 0b111)) >= rm->field_1F) { //loc_8005D0C
            u8 c = *(text_speeds + (rm->rbox_id & 0b111));
            sub_80044A8(rm->rbox_id, rm->field_D, c, b);
            rm->field_1F = *(text_speeds + (rm->sub.font_type & 0b111));
        } else {
            sub_80044A8(rm->rbox_id, rm->field_D, rm->field_1F, b);
            rm->field_1F = 0;
        }
        //remo_tileset_to_vram
        rboxid_to_vram(rm->rbox_id, 2);
        return 3;
    case 5: //remo_x1C_5
        u8 a = sub_80723E0();
        if (a) {
            rm->mode = a;
        }
        return 3;
    case 6: //remo_x1C_6
        if (rm->field_1E) {
            rm->field_1E--;
        } else {
            rm->mode = rm->field_1E;
        }
        return 3;
    }
}