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(svn r11145) -Codechange: add support for "decoding" TTDPs string codes wrt to registers 0x100 to 0x10F.

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This commit is contained in:
rubidium
2007-09-22 23:55:34 +00:00
parent b1fa49d3fa
commit 08c5765c0b
7 changed files with 201 additions and 12 deletions
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172
src/newgrf_text.cpp
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@@ -21,6 +21,7 @@
#include "newgrf_text.h"
#include "table/control_codes.h"
#include "helpers.hpp"
#include "date.h"
#define GRFTAB 28
#define TABSIZE 11
@@ -228,9 +229,9 @@ char *TranslateTTDPatchCodes(const char *str)
case 0x7B:
case 0x7C:
case 0x7D:
case 0x7E: d += Utf8Encode(d, SCC_NUM); break;
case 0x7F: d += Utf8Encode(d, SCC_CURRENCY); break;
case 0x80: d += Utf8Encode(d, SCC_STRING); break;
case 0x7E:
case 0x7F:
case 0x80: d += Utf8Encode(d, SCC_NEWGRF_PRINT_DWORD + c - 0x7B); break;
case 0x81: {
StringID string;
string = *str++;
@@ -239,12 +240,12 @@ char *TranslateTTDPatchCodes(const char *str)
d += Utf8Encode(d, string);
break;
}
case 0x82: d += Utf8Encode(d, SCC_DATE_TINY); break;
case 0x83: d += Utf8Encode(d, SCC_DATE_SHORT); break;
case 0x84: d += Utf8Encode(d, SCC_VELOCITY); break;
case 0x85: d += Utf8Encode(d, SCC_SKIP); break;
case 0x86: /* "Rotate down top 4 words on stack" */ break;
case 0x87: d += Utf8Encode(d, SCC_VOLUME); break;
case 0x82:
case 0x83:
case 0x84: d += Utf8Encode(d, SCC_NEWGRF_PRINT_WORD_SPEED + c - 0x82); break;
case 0x85: d += Utf8Encode(d, SCC_NEWGRF_DISCARD_WORD); break;
case 0x86: d += Utf8Encode(d, SCC_NEWGRF_ROTATE_TOP_4_WORDS); break;
case 0x87: d += Utf8Encode(d, SCC_NEWGRF_PRINT_WORD_LITRES); break;
case 0x88: d += Utf8Encode(d, SCC_BLUE); break;
case 0x89: d += Utf8Encode(d, SCC_SILVER); break;
case 0x8A: d += Utf8Encode(d, SCC_GOLD); break;
@@ -262,6 +263,20 @@ char *TranslateTTDPatchCodes(const char *str)
case 0x96: d += Utf8Encode(d, SCC_GRAY); break;
case 0x97: d += Utf8Encode(d, SCC_DKBLUE); break;
case 0x98: d += Utf8Encode(d, SCC_BLACK); break;
case 0x9A:
switch (*str++) {
case 0: /* FALL THROUGH */
case 1: d += Utf8Encode(d, SCC_NEWGRF_PRINT_QWORD_CURRENCY); break;
case 3: {
uint16 tmp = *str++;
tmp |= (*str++) << 8;
d += Utf8Encode(d, SCC_NEWGRF_PUSH_WORD); d += Utf8Encode(d, tmp);
} break;
case 4: d += Utf8Encode(d, SCC_NEWGRF_UNPRINT); d += Utf8Encode(d, *str++); break;
default: grfmsg(1, "missing handler for extended format code"); break;
}
break;
case 0x9E: d += Utf8Encode(d, 0x20AC); break; // Euro
case 0x9F: d += Utf8Encode(d, 0x0178); break; // Y with diaeresis
case 0xA0: d += Utf8Encode(d, SCC_UPARROW); break;
@@ -481,3 +496,142 @@ void CleanUpStrings()
_num_grf_texts = 0;
}
struct TextRefStack {
byte stack[0x30];
byte position;
bool used;
TextRefStack() : used(false) {}
uint8 PopUnsignedByte() { assert(this->position < lengthof(this->stack)); return this->stack[this->position++]; }
int8 PopSignedByte() { return (int8)this->PopUnsignedByte(); }
uint16 PopUnsignedWord() { return this->PopUnsignedByte() | (((uint16)this->PopUnsignedByte()) << 8); }
int16 PopSignedWord() { return (int32)this->PopUnsignedWord(); }
uint32 PopUnsignedDWord() { return this->PopUnsignedWord() | (((uint32)this->PopUnsignedWord()) << 16); }
int32 PopSignedDWord() { return (int32)this->PopUnsignedDWord(); }
uint64 PopUnsignedQWord() { return this->PopUnsignedDWord() | (((uint64)this->PopUnsignedDWord()) << 32); }
int64 PopSignedQWord() { return (int64)this->PopUnsignedQWord(); }
/** Rotate the top four words down: W1, W2, W3, W4 -> W4, W1, W2, W3 */
void RotateTop4Words()
{
byte tmp[2];
for (int i = 0; i < 2; i++) tmp[i] = this->stack[this->position + i + 6];
for (int i = 5; i >= 0; i--) this->stack[this->position + i + 2] = this->stack[this->position + i];
for (int i = 0; i < 2; i++) this->stack[this->position + i] = tmp[i];
}
void PushWord(uint16 word)
{
if (this->position >= 2) {
this->position -= 2;
} else {
for (uint i = lengthof(stack) - 3; i >= this->position; i--) {
this->stack[this->position + 2] = this->stack[this->position];
}
}
this->stack[this->position] = GB(word, 0, 8);
this->stack[this->position + 1] = GB(word, 8, 8);
}
void ResetStack() { this->used = true; this->position = 0; }
};
/** The stack that is used for TTDP compatible string code parsing */
static TextRefStack _newgrf_textrefstack;
/** Prepare the TTDP compatible string code parsing */
void PrepareTextRefStackUsage()
{
extern TemporaryStorageArray<uint32, 0x110> _temp_store;
_newgrf_textrefstack.ResetStack();
byte *p = _newgrf_textrefstack.stack;
for (uint i = 0; i < 6; i++) {
for (uint j = 0; j < 32; j += 8) {
*p = GB(_temp_store.Get(0x100 + i), 32 - j, 8);
p++;
}
}
}
/** Stop using the TTDP compatible string code parsing */
void StopTextRefStackUsage() { _newgrf_textrefstack.used = false; }
/**
* FormatString for NewGRF specific "magic" string control codes
* @param scc the string control code that has been read
* @param stack the current "stack"
* @return the string control code to "execute" now
*/
uint RemapNewGRFStringControlCode(uint scc, char **buff, const char **str, int64 *argv)
{
if (_newgrf_textrefstack.used) {
switch (scc) {
default: NOT_REACHED();
case SCC_NEWGRF_PRINT_SIGNED_BYTE: *argv = _newgrf_textrefstack.PopSignedByte(); break;
case SCC_NEWGRF_PRINT_SIGNED_WORD: *argv = _newgrf_textrefstack.PopSignedWord(); break;
case SCC_NEWGRF_PRINT_QWORD_CURRENCY: *argv = _newgrf_textrefstack.PopUnsignedQWord(); break;
case SCC_NEWGRF_PRINT_DWORD_CURRENCY:
case SCC_NEWGRF_PRINT_DWORD: *argv = _newgrf_textrefstack.PopSignedDWord(); break;
case SCC_NEWGRF_PRINT_WORD_SPEED:
case SCC_NEWGRF_PRINT_WORD_LITRES:
case SCC_NEWGRF_PRINT_UNSIGNED_WORD: *argv = _newgrf_textrefstack.PopUnsignedWord(); break;
case SCC_NEWGRF_PRINT_DATE:
case SCC_NEWGRF_PRINT_MONTH_YEAR: *argv = _newgrf_textrefstack.PopSignedWord() + DAYS_TILL_ORIGINAL_BASE_YEAR; break;
case SCC_NEWGRF_DISCARD_WORD: _newgrf_textrefstack.PopUnsignedWord(); break;
case SCC_NEWGRF_ROTATE_TOP_4_WORDS: _newgrf_textrefstack.RotateTop4Words(); break;
case SCC_NEWGRF_PUSH_WORD: _newgrf_textrefstack.PushWord(Utf8Consume(str)); break;
case SCC_NEWGRF_UNPRINT: *buff -= Utf8Consume(str); break;
case SCC_NEWGRF_PRINT_STRING_ID:
*argv = _newgrf_textrefstack.PopUnsignedWord();
if (*argv == STR_NULL) *argv = STR_EMPTY;
break;
}
}
switch (scc) {
default: NOT_REACHED();
case SCC_NEWGRF_PRINT_DWORD:
case SCC_NEWGRF_PRINT_SIGNED_WORD:
case SCC_NEWGRF_PRINT_SIGNED_BYTE:
case SCC_NEWGRF_PRINT_UNSIGNED_WORD:
return SCC_NUM;
case SCC_NEWGRF_PRINT_DWORD_CURRENCY:
case SCC_NEWGRF_PRINT_QWORD_CURRENCY:
return SCC_CURRENCY;
case SCC_NEWGRF_PRINT_STRING_ID:
return SCC_STRING;
case SCC_NEWGRF_PRINT_DATE:
return SCC_DATE_LONG;
case SCC_NEWGRF_PRINT_MONTH_YEAR:
return SCC_DATE_TINY;
case SCC_NEWGRF_PRINT_WORD_SPEED:
return SCC_VELOCITY;
case SCC_NEWGRF_PRINT_WORD_LITRES:
return SCC_VOLUME;
case SCC_NEWGRF_DISCARD_WORD:
case SCC_NEWGRF_ROTATE_TOP_4_WORDS:
case SCC_NEWGRF_PUSH_WORD:
case SCC_NEWGRF_UNPRINT:
return 0;
}
}