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authorDarkvater <darkvater@openttd.org>2006-02-20 19:58:46 +0000
committerDarkvater <darkvater@openttd.org>2006-02-20 19:58:46 +0000
commit3efd51dd7688e7536eefd79448f88fc19585f8ce (patch)
tree200fe3c301d0288389d8c1c7d458cd5b9bfa5a78
parent45e85d2eb2f3c0989bdcb746be2460a60d235273 (diff)
downloadopenttd-3efd51dd7688e7536eefd79448f88fc19585f8ce.tar.xz
(svn r3628) - Add BOOL and STRING types to saveload capabilities. String is unused up till now and it saves the full-buffer, regardless of how many characters the string actually has. So give a warning for that and figure it out later.
-rw-r--r--saveload.c29
-rw-r--r--saveload.h33
2 files changed, 50 insertions, 12 deletions
diff --git a/saveload.c b/saveload.c
index 5401e0ace..0eb33e1fd 100644
--- a/saveload.c
+++ b/saveload.c
@@ -102,7 +102,7 @@ static inline uint32 SlGetOffs(void) {return _sl.offs_base - (_sl.bufe - _sl.buf
* @return Return the size of this type in bytes */
static inline byte SlCalcConvMemLen(VarType conv)
{
- static const byte conv_mem_size[] = {1, 1, 2, 2, 4, 4, 8, 8, 0};
+ static const byte conv_mem_size[] = {1, 1, 1, 2, 2, 4, 4, 8, 8, 0};
byte length = (conv >> 4) & 0xF;
assert(length < lengthof(conv_mem_size));
return conv_mem_size[length];
@@ -413,6 +413,7 @@ static void SlSaveLoadConv(void *ptr, VarType conv)
if (_sl.save) { /* SAVE values */
/* Read a value from the struct. These ARE endian safe. */
switch ((conv >> 4) & 0xF) {
+ case SLE_VAR_BL >> 4:
case SLE_VAR_I8 >> 4: x = *(int8*)ptr; break;
case SLE_VAR_U8 >> 4: x = *(byte*)ptr; break;
case SLE_VAR_I16 >> 4: x = *(int16*)ptr; break;
@@ -454,6 +455,7 @@ static void SlSaveLoadConv(void *ptr, VarType conv)
/* Write The value to the struct. These ARE endian safe. */
switch ((conv >> 4) & 0xF) {
+ case SLE_VAR_BL >> 4:
case SLE_VAR_I8 >> 4: *(int8*)ptr = x; break;
case SLE_VAR_U8 >> 4: *(byte*)ptr = x; break;
case SLE_VAR_I16 >> 4: *(int16*)ptr = x; break;
@@ -468,6 +470,27 @@ static void SlSaveLoadConv(void *ptr, VarType conv)
}
}
+static inline size_t SlCalcStringLen(const char *ptr, uint length)
+{
+ DEBUG(misc, 1) ("[Sl] TODO: save/load real length");
+ return length;//(_sl.save) ? min(strlen(ptr), length - 1) : SlReadArrayLength();
+}
+
+/**
+ * Save/Load a string.
+ * @param ptr the string being manipulated
+ * @param the length of the string (full length)
+ * @param conv must be SLE_FILE_STRING
+ * @todo the full length of the string is saved, even when the buffer
+ * is 512 bytes and only 10 of those are used */
+static void SlString(void *ptr, uint length, VarType conv)
+{
+ uint len = SlCalcStringLen(ptr, length);
+ assert((conv & 0xF) == SLE_FILE_STRING);
+
+ SlCopyBytes(ptr, len);
+}
+
/**
* Return the size in bytes of a certain type of atomic array
* @param length The length of the array counted in elements
@@ -549,6 +572,7 @@ size_t SlCalcObjMemberLength(const SaveLoad *sld)
case SL_VAR:
case SL_REF:
case SL_ARR:
+ case SL_STR:
/* CONDITIONAL saveload types depend on the savegame version */
if (!SlIsObjectValidInSavegame(sld)) break;
@@ -556,6 +580,7 @@ size_t SlCalcObjMemberLength(const SaveLoad *sld)
case SL_VAR: return SlCalcConvFileLen(sld->conv);
case SL_REF: return SlCalcRefLen();
case SL_ARR: return SlCalcArrayLen(sld->length, sld->conv);
+ case SL_STR: return SlCalcStringLen(sld->s.address, sld->length);
default: NOT_REACHED();
}
break;
@@ -573,6 +598,7 @@ bool SlObjectMember(void *ptr, const SaveLoad *sld)
case SL_VAR:
case SL_REF:
case SL_ARR:
+ case SL_STR:
/* CONDITIONAL saveload types depend on the savegame version */
if (!SlIsObjectValidInSavegame(sld)) return false;
@@ -586,6 +612,7 @@ bool SlObjectMember(void *ptr, const SaveLoad *sld)
*(void**)ptr = _sl.int_to_ref_proc(SlReadUint16(), conv);
break;
case SL_ARR: SlArray(ptr, sld->length, conv); break;
+ case SL_STR: SlString(ptr, sld->length, conv); break;
default: NOT_REACHED();
}
break;
diff --git a/saveload.h b/saveload.h
index f2f04248d..2f9c28b5c 100644
--- a/saveload.h
+++ b/saveload.h
@@ -77,19 +77,23 @@ enum VarTypes {
SLE_FILE_I64 = 6,
SLE_FILE_U64 = 7,
SLE_FILE_STRINGID = 8, /// StringID offset into strings-array
- /* 7 more possible primitives */
+ SLE_FILE_STRING = 9,
+ /* 6 more possible primitives */
/* 4 bytes allocated a maximum of 16 types for NumberType */
- SLE_VAR_I8 = 0 << 4,
- SLE_VAR_U8 = 1 << 4,
- SLE_VAR_I16 = 2 << 4,
- SLE_VAR_U16 = 3 << 4,
- SLE_VAR_I32 = 4 << 4,
- SLE_VAR_U32 = 5 << 4,
- SLE_VAR_I64 = 6 << 4,
- SLE_VAR_U64 = 7 << 4,
- SLE_VAR_NULL = 8 << 4, /// useful to write zeros in savegame.
- /* 7 more possible primitives */
+ SLE_VAR_BL = 0 << 4,
+ SLE_VAR_I8 = 1 << 4,
+ SLE_VAR_U8 = 2 << 4,
+ SLE_VAR_I16 = 3 << 4,
+ SLE_VAR_U16 = 4 << 4,
+ SLE_VAR_I32 = 5 << 4,
+ SLE_VAR_U32 = 6 << 4,
+ SLE_VAR_I64 = 7 << 4,
+ SLE_VAR_U64 = 8 << 4,
+ SLE_VAR_NULL = 9 << 4, /// useful to write zeros in savegame.
+ SLE_VAR_STRB = 10 << 4, /// normal string (with pre-allocated buffer)
+ SLE_VAR_STRQ = 11 << 4, /// string enclosed in parentheses
+ /* 4 more possible primitives */
/* Shortcut values */
SLE_VAR_CHAR = SLE_VAR_I8,
@@ -97,6 +101,7 @@ enum VarTypes {
/* Default combinations of variables. As savegames change, so can variables
* and thus it is possible that the saved value and internal size do not
* match and you need to specify custom combo. The defaults are listed here */
+ SLE_BOOL = SLE_FILE_I8 | SLE_VAR_BL,
SLE_INT8 = SLE_FILE_I8 | SLE_VAR_I8,
SLE_UINT8 = SLE_FILE_U8 | SLE_VAR_U8,
SLE_INT16 = SLE_FILE_I16 | SLE_VAR_I16,
@@ -105,11 +110,16 @@ enum VarTypes {
SLE_UINT32 = SLE_FILE_U32 | SLE_VAR_U32,
SLE_INT64 = SLE_FILE_I64 | SLE_VAR_I64,
SLE_UINT64 = SLE_FILE_U64 | SLE_VAR_U64,
+ SLE_CHAR = SLE_FILE_I8 | SLE_VAR_CHAR,
SLE_STRINGID = SLE_FILE_STRINGID | SLE_VAR_U16,
+ SLE_STRINGBUF = SLE_FILE_STRING | SLE_VAR_STRB,
+ SLE_STRINGQUOTE = SLE_FILE_STRING | SLE_VAR_STRQ,
/* Shortcut values */
SLE_UINT = SLE_UINT32,
SLE_INT = SLE_INT32,
+ SLE_STRB = SLE_STRINGBUF,
+ SLE_STRQ = SLE_STRINGQUOTE,
};
typedef uint32 VarType;
@@ -118,6 +128,7 @@ enum SaveLoadTypes {
SL_VAR = 0,
SL_REF = 1,
SL_ARR = 2,
+ SL_STR = 3,
// non-normal save-load types
SL_WRITEBYTE = 8,
SL_INCLUDE = 9,