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-rw-r--r--scumm/smush/codec47.cpp312
1 files changed, 152 insertions, 160 deletions
diff --git a/scumm/smush/codec47.cpp b/scumm/smush/codec47.cpp
index 292ee08ae6..3976ff7511 100644
--- a/scumm/smush/codec47.cpp
+++ b/scumm/smush/codec47.cpp
@@ -226,7 +226,7 @@ static int16 codec47_table[] = {
static byte smush_buf_big[99328];
static byte smush_buf_small[32768];
static byte smush_buffer[65536];
-static int16 codec47_temp_table[256];
+static int16 smush_table[256];
void Codec47Decoder::makeTables37(int32 param) {
int32 variable1, variable2, variable3, variable4, count_1, count_2;
@@ -282,44 +282,38 @@ void Codec47Decoder::makeTables37(int32 param) {
tmp_value1 = tmp;
if (tmp == 0) {
b1 = 0;
- goto label3;
- }
- if ((tmp_value1 - param) == -1) {
+ } else if ((tmp_value1 - param) == -1) {
b1 = 1;
- goto label3;
- }
- b1 = 2;
- tmp = *(tmp_table37_1_1);
- if (tmp != 0) {
- b1 = 0;
- tmp -= param;
- if (tmp == -1)
- b1 = 3;
- else
- b1 = 4;
+ } else {
+ b1 = 2;
+ tmp = *(tmp_table37_1_1);
+ if (tmp != 0) {
+ b1 = 0;
+ tmp -= param;
+ if (tmp == -1)
+ b1 = 3;
+ else
+ b1 = 4;
+ }
}
-label3:
tmp = *(tmp_table37_2_2);
tmp_value2 = tmp;
if (tmp == 0) {
b2 = 0;
- goto label4;
- }
- if ((tmp_value2 - param) == -1) {
+ } else if ((tmp_value2 - param) == -1) {
b2 = 1;
- goto label4;
- }
- tmp = *(tmp_table37_1_2);
- if (tmp == 0) {
- b2 = 2;
- goto label4;
+ } else {
+ tmp = *(tmp_table37_1_2);
+ if (tmp == 0) {
+ b2 = 2;
+ } else {
+ tmp -= param;
+ if (tmp == -1)
+ b2 = 3;
+ else
+ b2 = 4;
+ }
}
- tmp -= param;
- if (tmp == -1)
- b2 = 3;
- else
- b2 = 4;
-label4:
tmp_param_tmp = tmp_param - 1;
d = tmp_param_tmp;
if(tmp_param != 0) {
@@ -337,151 +331,149 @@ label4:
variable1 = 0;
tmp_c++;
variable2 = tmp_c;
- if (tmp_c <= 0)
- goto label27;
- do {
- tmp_a = variable2;
- if (tmp_a > 1) {
- tmp_c = tmp_a;
- tmp_a = variable1;
- tmp_c -= tmp_a;
+ if (tmp_c > 0) {
+ do {
tmp_a = variable2;
- tmp_c--;
- tmp_a--;
- tmp_ib = tmp_a;
- tmp_d = value_table37_1_1;
- tmp_ib >>= 1;
- variable3 = tmp_a;
- tmp_a = value_table37_1_2;
- tmp_d *= variable1;
- tmp_a *= tmp_c;
- tmp_a += tmp_d;
- tmp_a += tmp_ib;
- tmp_a /= variable3;
- tmp_d = tmp_value2;
- variable4 = tmp_a;
- tmp_a = tmp_value1;
- tmp_d *= tmp_c;
- tmp_a *= variable1;
- tmp_d += tmp_a;
- tmp_a = tmp_d + tmp_ib;
- tmp_a /= variable3;
- } else {
- tmp_a = value_table37_1_1;
- variable4 = tmp_a;
- tmp_a = tmp_value1;
- }
- tmp_c = param;
- tmp_d = variable4;
- tmp_c *= tmp_a;
- tmp_c += tmp_d;
- tmp_table = &table[tmp_c];
- *(tmp_table) = 1;
- if (b1 != 2)
- goto label8;
- if (b2 == 3)
- goto label11;
+ if (tmp_a > 1) {
+ tmp_c = tmp_a;
+ tmp_a = variable1;
+ tmp_c -= tmp_a;
+ tmp_a = variable2;
+ tmp_c--;
+ tmp_a--;
+ tmp_ib = tmp_a;
+ tmp_d = value_table37_1_1;
+ tmp_ib >>= 1;
+ variable3 = tmp_a;
+ tmp_a = value_table37_1_2;
+ tmp_d *= variable1;
+ tmp_a *= tmp_c;
+ tmp_a += tmp_d;
+ tmp_a += tmp_ib;
+ tmp_a /= variable3;
+ tmp_d = tmp_value2;
+ variable4 = tmp_a;
+ tmp_a = tmp_value1;
+ tmp_d *= tmp_c;
+ tmp_a *= variable1;
+ tmp_d += tmp_a;
+ tmp_a = tmp_d + tmp_ib;
+ tmp_a /= variable3;
+ } else {
+ tmp_a = value_table37_1_1;
+ variable4 = tmp_a;
+ tmp_a = tmp_value1;
+ }
+ tmp_c = param;
+ tmp_d = variable4;
+ tmp_c *= tmp_a;
+ tmp_c += tmp_d;
+ tmp_table = &table[tmp_c];
+ *(tmp_table) = 1;
+ if (b1 != 2)
+ goto label8;
+ if (b2 == 3)
+ goto label11;
label8:
- if (b2 != 2)
- goto label9;
- if (b1 == 3)
- goto label11;
+ if (b2 != 2)
+ goto label9;
+ if (b1 == 3)
+ goto label11;
label9:
- if (b1 != 0)
- goto label10;
- if (b2 != 1)
- goto label11;
+ if (b1 != 0)
+ goto label10;
+ if (b2 != 1)
+ goto label11;
label10:
- if (b2 != 0)
- goto label12;
- if (b1 == 1)
- goto label13;
+ if (b2 != 0)
+ goto label12;
+ if (b1 == 1)
+ goto label13;
label11:
- if (tmp_a < 0)
- goto label26;
- tmp_c = param;
- tmp_c <<= 2;
- do {
- *(tmp_table) = 1;
- tmp_table -= tmp_c / 4;
- } while (--tmp_a >= 0);
- goto label26;
+ if (tmp_a < 0)
+ continue;
+ tmp_c = param;
+ tmp_c <<= 2;
+ do {
+ *(tmp_table) = 1;
+ tmp_table -= tmp_c / 4;
+ } while (--tmp_a >= 0);
+ continue;
label12:
- if (b1 != 1)
- goto label14;
+ if (b1 != 1)
+ goto label14;
label13:
- if (b2 != 0)
- goto label15;
+ if (b2 != 0)
+ goto label15;
label14:
- if (b2 != 1)
- goto label16;
- if (b1 == 0)
- goto label17;
+ if (b2 != 1)
+ goto label16;
+ if (b1 == 0)
+ goto label17;
label15:
- tmp_c = param;
- if (tmp_c <= tmp_a)
- goto label26;
- tmp_c <<= 2;
- tmp_d = param;
- tmp_d -= tmp_a;
- do {
- *(tmp_table) = 1;
- tmp_table += tmp_c / 4;
- } while (--tmp_d != 0);
- goto label26;
+ tmp_c = param;
+ if (tmp_c <= tmp_a)
+ continue;
+ tmp_c <<= 2;
+ tmp_d = param;
+ tmp_d -= tmp_a;
+ do {
+ *(tmp_table) = 1;
+ tmp_table += tmp_c / 4;
+ } while (--tmp_d != 0);
+ continue;
label16:
- if (b1 != 0)
- goto label18;
+ if (b1 != 0)
+ goto label18;
label17:
- if (b2 == 1)
- goto label21;
+ if (b2 == 1)
+ goto label21;
label18:
- if (b2 != 0)
- goto label19;
- if (b1 == 1)
- goto label21;
+ if (b2 != 0)
+ goto label19;
+ if (b1 == 1)
+ goto label21;
label19:
- if (b1 != 3)
- goto label20;
- if (b2 != 2)
- goto label21;
+ if (b1 != 3)
+ goto label20;
+ if (b2 != 2)
+ goto label21;
label20:
- if (b2 != 3)
- goto label22;
- if (b1 == 2)
- goto label23;
+ if (b2 != 3)
+ goto label22;
+ if (b1 == 2)
+ goto label23;
label21:
- tmp_c = param;
- if (tmp_c <= variable4)
- goto label26;
- tmp_c -= variable4;
- d = tmp_c;
- do {
- *(tmp_table++) = 1;
- } while (--d != 0);
- goto label26;
+ tmp_c = param;
+ if (tmp_c <= variable4)
+ continue;
+ tmp_c -= variable4;
+ d = tmp_c;
+ do {
+ *(tmp_table++) = 1;
+ } while (--d != 0);
+ continue;
label22:
- if (b1 != 2)
- goto label24;
+ if (b1 != 2)
+ goto label24;
label23:
- if (b2 != 3)
- goto label25;
+ if (b2 != 3)
+ goto label25;
label24:
- if (b2 != 2)
- goto label26;
- if (b1 == 3)
- goto label26;
+ if (b2 != 2)
+ continue;
+ if (b1 == 3)
+ continue;
label25:
- if (variable4 >= 0) {
- tmp_c = variable4 + 1;
- d = tmp_c;
- do {
- *(tmp_table--) = 1;
- } while (--d != 0);
- }
-label26:;
- } while (variable2 > ++variable1);
-label27:
+ if (variable4 >= 0) {
+ tmp_c = variable4 + 1;
+ d = tmp_c;
+ do {
+ *(tmp_table--) = 1;
+ } while (--d != 0);
+ }
+ } while (variable2 > ++variable1);
+ }
if (tmp_param != 0) {
if (param == 8) {
tmp_c = tmp_param_tmp;
@@ -527,7 +519,7 @@ void Codec47Decoder::makeTables47(int32 width) {
int32 a, c, d, s, tmp_value, tmp_offset;
int16 tmp, tmp2;
- int16 * tmp_ptr = codec47_temp_table;
+ int16 * tmp_ptr = smush_table;
int16 * ptr_table = &codec47_table[1];
do {
int16 tmp_word = *(ptr_table);
@@ -536,7 +528,7 @@ void Codec47Decoder::makeTables47(int32 width) {
tmp_word += *(ptr_table - 3);
tmp_ptr++;
*(tmp_ptr - 1) = tmp_word;
- } while (tmp_ptr < &codec47_temp_table[255]);
+ } while (tmp_ptr < &smush_table[255]);
a = 0;
c = 0;
s = 0;
@@ -1026,7 +1018,7 @@ bool Codec47Decoder::decode(Blitter & dst, Chunk & src) {
// }
if ((seq_nb - _prevSeqNb) == 1) {
decode2(_curBuf, gfx_data, offset1, offset2, width,
- codec47_temp_table, chunk_buffer + 8, height,
+ smush_table, chunk_buffer + 8, height,
smush_buf_small, smush_buf_big);
}
break;
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-01 18:29:11 +0000