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#include <stdio.h>
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#include "d2char.h"
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#include "d2mercs.h"
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#include "d2skills.h"
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uint32_t calcChecksum(D2CharHeader* c, void* charData) {
uint32_t origChecksum = c->checksum;
c->checksum = 0;
uint32_t sum = 0;
void* data = malloc(c->fileSize);
memcpy(data, (void*)c, D2S_HEADER_LENGTH);
memcpy(data + D2S_HEADER_LENGTH, charData, c->fileSize - D2S_HEADER_LENGTH);
for(int i = 0; i < c->fileSize; ++i) {
sum = (sum << 1) + ((uint8_t*)data)[i];
}
free(data);
c->checksum = origChecksum;
return sum;
}
int checkChecksum(D2CharHeader* c, void* charData) {
uint32_t checksum = calcChecksum(c, charData);
return c->checksum == checksum;
}
int isHardcore(D2CharHeader* c) {
return c->charStatus & D2S_CHARSTATUS_HARDCORE;
}
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void setHardcore(D2CharHeader* c, int bool) {
if(bool) {
c->charProgress |= D2S_CHARSTATUS_HARDCORE;
} else {
c->charProgress &= ~D2S_CHARSTATUS_HARDCORE;
}
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}
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int hasDied(D2CharHeader* c) {
return c->charStatus & D2S_CHARSTATUS_DIED;
}
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void setDied(D2CharHeader* c, int bool) {
if(bool) {
c->charProgress |= D2S_CHARSTATUS_DIED;
} else {
c->charProgress &= ~D2S_CHARSTATUS_DIED;
}
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}
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int isExpansion(D2CharHeader* c) {
return c->charStatus & D2S_CHARSTATUS_EXPANSION;
}
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void setExpansion(D2CharHeader* c, int bool) {
if(bool) {
c->charProgress |= D2S_CHARSTATUS_EXPANSION;
} else {
c->charProgress &= ~D2S_CHARSTATUS_EXPANSION;
}
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}
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int isLadder(D2CharHeader* c) {
return c->charStatus & D2S_CHARSTATUS_LADDER;
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}
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void setLadder(D2CharHeader* c, int bool) {
if(bool) {
c->charProgress |= D2S_CHARSTATUS_LADDER;
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} else {
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c->charProgress &= ~D2S_CHARSTATUS_LADDER;
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}
}
int isFemale(D2CharHeader* c) {
return (c->charClass == D2S_CHARCLASS_AMAZON ||
c->charClass == D2S_CHARCLASS_ASSASSIN ||
c->charClass == D2S_CHARCLASS_SORCERESS);
}
const char* getCharacterTitle(D2CharHeader* c) {
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D2S_DIFFICULTY hardestCleared;
D2S_ACT act; // We don't care, but need to provide it
getProgress(c,&act,&hardestCleared);
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if(isExpansion(c)) {
// Expansion
if(isHardcore(c)) {
// Expansion Hardcore
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switch(hardestCleared) {
case D2S_DIFFICULTY_NORMAL:
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return D2S_CHARPROGRESS_EXPANSION_TIER1_NAME_HARDCORE;
break;
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case D2S_DIFFICULTY_NIGHTMARE:
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return D2S_CHARPROGRESS_EXPANSION_TIER2_NAME_HARDCORE;
break;
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case D2S_DIFFICULTY_HELL:
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return D2S_CHARPROGRESS_EXPANSION_TIER3_NAME_HARDCORE;
break;
}
} else {
// Expansion Softcore
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switch(hardestCleared) {
case D2S_DIFFICULTY_NORMAL:
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return D2S_CHARPROGRESS_EXPANSION_TIER1_NAME;
break;
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case D2S_DIFFICULTY_NIGHTMARE:
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return D2S_CHARPROGRESS_EXPANSION_TIER2_NAME;
break;
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case D2S_DIFFICULTY_HELL:
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return isFemale(c) ? D2S_CHARPROGRESS_EXPANSION_TIER3_NAME_F : D2S_CHARPROGRESS_EXPANSION_TIER3_NAME_M;
break;
}
}
} else {
// Classic
if(isHardcore(c)) {
// Classic Hardcore
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switch(hardestCleared) {
case D2S_DIFFICULTY_NORMAL:
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return isFemale(c) ? D2S_CHARPROGRESS_CLASSIC_TIER1_NAME_HARDCORE_F : D2S_CHARPROGRESS_CLASSIC_TIER1_NAME_HARDCORE_M;
break;
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case D2S_DIFFICULTY_NIGHTMARE:
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return isFemale(c) ? D2S_CHARPROGRESS_CLASSIC_TIER2_NAME_HARDCORE_F : D2S_CHARPROGRESS_CLASSIC_TIER2_NAME_HARDCORE_M;
break;
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case D2S_DIFFICULTY_HELL:
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return isFemale(c) ? D2S_CHARPROGRESS_CLASSIC_TIER3_NAME_HARDCORE_F : D2S_CHARPROGRESS_CLASSIC_TIER3_NAME_HARDCORE_M;
break;
}
} else {
// Classic Softcore
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switch(hardestCleared) {
case D2S_DIFFICULTY_NORMAL:
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return isFemale(c) ? D2S_CHARPROGRESS_CLASSIC_TIER1_NAME_F : D2S_CHARPROGRESS_CLASSIC_TIER1_NAME_M;
break;
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case D2S_DIFFICULTY_NIGHTMARE:
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return isFemale(c) ? D2S_CHARPROGRESS_CLASSIC_TIER2_NAME_F : D2S_CHARPROGRESS_CLASSIC_TIER2_NAME_M;
break;
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case D2S_DIFFICULTY_HELL:
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return isFemale(c) ? D2S_CHARPROGRESS_CLASSIC_TIER3_NAME_F : D2S_CHARPROGRESS_CLASSIC_TIER3_NAME_M;
break;
}
}
}
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return D2S_CHARPROGRESS_TIER0_NAME;
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}
size_t getLastPlayed(D2CharHeader* c, char* buf, size_t bufLen) {
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// In amd64, since long is 64 bits long, time_t is also 64 bits long
// thus needing conversion from the save file type, which is a uint32_t
#ifdef __x86_64__
uint64_t convTimestamp = c->lastPlayed;
#else
uint32_t convTimestamp = c->lastPlayed;
#endif
struct tm* time = localtime((time_t*)&convTimestamp);
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size_t ret = strftime(buf, bufLen, "%c", time);
if(!ret) {
fprintf(stderr,"libd2char error: Provided buffer for time string was too small\n");
}
return ret;
}
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D2S_DIFFICULTY getCurrentDifficulty(D2CharHeader* c) {
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for(int i = D2S_DIFFICULTY_NORMAL; i <= D2S_DIFFICULTY_HELL; ++i) {
if(c->difficulty[i] & D2S_DIFFICULTY_ACTIVE) {
return i;
}
}
return D2S_DIFFICULTY_UNKNOWN;
}
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D2S_ACT getCurrentAct(D2CharHeader* c) {
for(int i = D2S_DIFFICULTY_NORMAL; i <= D2S_DIFFICULTY_HELL; ++i) {
if(c->difficulty[i] & D2S_DIFFICULTY_ACTIVE) {
return (D2S_ACT)(c->difficulty[i] & 0x07);
}
}
return D2S_ACT_UNKNOWN;
}
void getProgress(D2CharHeader* c, D2S_ACT* act, D2S_DIFFICULTY* difficulty) {
if(isExpansion(c)) {
*difficulty = c->charProgress / 5;
*act = c->charProgress % 5;
// Unfortunately, this won't distinguish between act IV and act V, because
// the game does not increment the charProgress when you kill Diablo, so
// the only way to know is check whether or not you started the act on the
// quest data
// NB: This doesn't happen in Classic
if(*act == D2S_ACT4) {
if(c->questData.quests[*difficulty].expansionAct.actStarted) {
++*act;
}
}
} else {
*difficulty = c->charProgress / 4;
*act = c->charProgress % 4;
}
}
int setProgress(D2CharHeader* c, D2S_ACT act, D2S_DIFFICULTY difficulty) {
if(difficulty != D2S_DIFFICULTY_NORMAL ||
difficulty != D2S_DIFFICULTY_NIGHTMARE ||
difficulty != D2S_DIFFICULTY_HELL) {
fprintf(stderr,"libd2char error: Invalid difficulty specified: %d\n", difficulty);
return -1;
}
if(act != D2S_ACT1 ||
act != D2S_ACT2 ||
act != D2S_ACT3 ||
act != D2S_ACT4 ||
act != D2S_ACT5) {
fprintf(stderr,"libd2char error: Invalid act specified: %d\n", act);
return -1;
}
uint8_t progress = 0;
if(isExpansion(c)) {
progress += difficulty * 5;
progress += act;
if(act == D2S_ACT5) {
// See comment above
--progress;
c->questData.quests[difficulty].expansionAct.actStarted = 1;
}
} else {
progress = (difficulty * 4) + act;
}
c->charProgress = progress;
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return 0;
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}
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