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(svn r12958) -Codechange: Allocate sprites reserved by GRM in advance of 'Action 1' sprites, giving much less chance of GRM reservation failure if lots of NewGRF sets are loaded.

This commit is contained in:
peter1138 2008-05-05 19:02:10 +00:00
parent f200fc3b99
commit 22aa011b57
1 changed files with 48 additions and 20 deletions
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68
src/newgrf.cpp
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@ -118,6 +118,20 @@ static uint32 _grm_engines[256];
/* Contains the GRF ID of the owner of a cargo if it has been reserved */
static uint32 _grm_cargos[NUM_CARGO * 2];
struct GRMSpriteEntry {
uint32 grfid;
uint32 nfoline;
GRMSpriteEntry(uint32 grfid, uint32 nfoline) : grfid(grfid), nfoline(nfoline) { }
bool operator<(const GRMSpriteEntry &other) const
{
return this->grfid < other.grfid || (this->grfid == other.grfid && this->nfoline < other.nfoline);
}
};
static std::map<GRMSpriteEntry, SpriteID> _grm_sprites;
/** DEBUG() function dedicated to newGRF debugging messages
* Function is essentialy the same as DEBUG(grf, severity, ...) with the
* addition of file:line information when parsing grf files.
@ -4355,14 +4369,32 @@ static void ParamSet(byte *buf, int len)
src1 = GetPatchVariable(src1);
} else {
/* GRF Resource Management */
if (_cur_stage != GLS_ACTIVATION) {
/* Ignore GRM during initialization */
src1 = 0;
} else {
uint8 op = src1;
uint8 feature = GB(data, 8, 8);
uint16 count = GB(data, 16, 16);
uint8 op = src1;
uint8 feature = GB(data, 8, 8);
uint16 count = GB(data, 16, 16);
if (_cur_stage == GLS_RESERVE) {
if (feature == 0x08) {
/* General sprites */
if (op == 0) {
/* Check if the allocated sprites will fit below the original sprite limit */
if (_cur_spriteid + count >= 16384) {
grfmsg(0, "ParamSet: GRM: Unable to allocate %d sprites; try changing NewGRF order", count);
_cur_grfconfig->status = GCS_DISABLED;
_skip_sprites = -1;
return;
}
/* Reserve space at the current sprite ID */
grfmsg(4, "ParamSet: GRM: Allocated %d sprites at %d", count, _cur_spriteid);
_grm_sprites[GRMSpriteEntry(_cur_grffile->grfid, _nfo_line)] = _cur_spriteid;
_cur_spriteid += count;
}
}
/* Ignore GRM result during reservation */
src1 = 0;
} else if (_cur_stage == GLS_ACTIVATION) {
switch (feature) {
case 0x00: // Trains
case 0x01: // Road Vehicles
@ -4389,18 +4421,9 @@ static void ParamSet(byte *buf, int len)
case 0x08: // General sprites
switch (op) {
case 0:
/* Check if the allocated sprites will fit below the original sprite limit */
if (_cur_spriteid + count >= 16384) {
grfmsg(0, "ParamSet: GRM: Unable to allocate %d sprites; try changing NewGRF order", count);
_cur_grfconfig->status = GCS_DISABLED;
_skip_sprites = -1;
return;
}
/* 'Reserve' space at the current sprite ID */
src1 = _cur_spriteid;
_cur_spriteid += count;
/* Return space reserved during reservation stage */
src1 = _grm_sprites[GRMSpriteEntry(_cur_grffile->grfid, _nfo_line)];
grfmsg(4, "ParamSet: GRM: Using pre-allocated sprites at %d", src1);
break;
case 1:
@ -4421,6 +4444,9 @@ static void ParamSet(byte *buf, int len)
default: grfmsg(1, "ParamSet: GRM: Unsupported feature 0x%X", feature); return;
}
} else {
/* Ignore GRM during initialization */
src1 = 0;
}
}
} else {
@ -5935,6 +5961,7 @@ static void AfterLoadGRFs()
/* Deallocate temporary loading data */
free(_gted);
_grm_sprites.clear();
}
void LoadNewGRF(uint load_index, uint file_index)
@ -5954,6 +5981,8 @@ void LoadNewGRF(uint load_index, uint file_index)
if (c->status != GCS_NOT_FOUND) c->status = GCS_UNKNOWN;
}
_cur_spriteid = load_index;
/* Load newgrf sprites
* in each loading stage, (try to) open each file specified in the config
* and load information from it. */
@ -5967,7 +5996,6 @@ void LoadNewGRF(uint load_index, uint file_index)
uint slot = file_index;
_cur_stage = stage;
_cur_spriteid = load_index;
for (GRFConfig *c = _grfconfig; c != NULL; c = c->next) {
if (c->status == GCS_DISABLED || c->status == GCS_NOT_FOUND) continue;
if (stage > GLS_INIT && HasBit(c->flags, GCF_INIT_ONLY)) continue;