thirdparty/scummvm
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TEENAGENT: Add Resource code to precompute Dialog Offsets.

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This should allow the removal of most/all of the hardcoded eseg
addresses in the Dialog calls.
This commit is contained in:
D G Turner 2012-07-11 13:03:32 +01:00
parent 78312544a6
commit c05dfddec3
2 changed files with 37 additions and 1 deletions
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28
engines/teenagent/resources.cpp
View file

@ -57,6 +57,32 @@ quick note on varia resources:
#define DSEG_SIZE 59280 // 0xe790
#define ESEG_SIZE 35810 // 0x8be2
void Resources::precomputeDialogOffsets() {
dialogOffsets.push_back(0);
int n = 0;
uint8 current, last = 0xff;
for (uint i = 0; i < eseg.size(); i++) {
current = eseg.get_byte(i);
if (n == 4) {
dialogOffsets.push_back(i);
n = 0;
}
if (current != 0x00 && last == 0x00)
n = 0;
if (current == 0x00)
n++;
last = current;
}
debug(1, "Resources::precomputeDialogOffsets() - Found %d dialogs", dialogOffsets.size());
for (uint i = 0; i < dialogOffsets.size(); i++)
debug(1, "\tDialog #%d: Offset 0x%04x", i, dialogOffsets[i]);
}
bool Resources::loadArchives(const ADGameDescription *gd) {
Common::File *dat_file = new Common::File();
if (!dat_file->open("teenagent.dat")) {
@ -73,6 +99,8 @@ bool Resources::loadArchives(const ADGameDescription *gd) {
delete dat;
precomputeDialogOffsets();
FilePack varia;
varia.open("varia.res");
font7.load(varia, 7);

10
engines/teenagent/resources.h
View file

@ -52,8 +52,16 @@ public:
FilePack off, on, ons, lan000, lan500, sam_mmm, sam_sam, mmm, voices;
#endif
Segment cseg, dseg, eseg;
Segment cseg, dseg;
Font font7, font8;
const byte *getDialog(uint16 dialogNum) { return eseg.ptr(dialogOffsets[dialogNum]); }
Segment eseg;
private:
void precomputeDialogOffsets();
Common::Array<uint16> dialogOffsets;
};
} // End of namespace TeenAgent