mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r4537) - NewGRF: replace if cascade with a switch block in the sprite group loader
This commit is contained in:
peter1138
parent
4be0b3a5f3
commit
f74a683f90
281
newgrf.c
281
newgrf.c
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@ -1302,8 +1302,6 @@ static void NewSpriteSet(byte *buf, int len)
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/* Action 0x02 */
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static void NewSpriteGroup(byte *buf, int len)
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{
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byte *bufend = buf + len;
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/* <02> <feature> <set-id> <type/num-entries> <feature-specific-data...>
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*
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* B feature see action 1
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@ -1314,26 +1312,18 @@ static void NewSpriteGroup(byte *buf, int len)
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* otherwise it specifies a number of entries, the exact
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* meaning depends on the feature
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* V feature-specific-data (huge mess, don't even look it up --pasky) */
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/* TODO: No 0x80-types (ugh). */
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/* TODO: Also, empty sprites aren't handled for now. Need to investigate
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* the "opacity" rules for these, that is which sprite to fall back to
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* when. --pasky */
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uint8 feature;
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uint8 setid;
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/* XXX: For stations, these two are "little cargo" and "lotsa cargo" sets. */
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uint8 numloaded;
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uint8 numloading;
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SpriteGroup *group;
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RealSpriteGroup *rg;
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byte *loaded_ptr;
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byte *loading_ptr;
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int i;
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uint8 type;
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SpriteGroup *group = NULL;
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byte *bufend = buf + len;
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check_length(len, 5, "NewSpriteGroup");
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feature = buf[1];
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setid = buf[2];
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numloaded = buf[3];
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numloading = buf[4];
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buf++;
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feature = grf_load_byte(&buf);
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setid = grf_load_byte(&buf);
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type = grf_load_byte(&buf);
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if (setid >= _cur_grffile->spritegroups_count) {
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// Allocate memory for new sprite group references.
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@ -1343,173 +1333,168 @@ static void NewSpriteGroup(byte *buf, int len)
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_cur_grffile->spritegroups[_cur_grffile->spritegroups_count] = NULL;
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}
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if (numloaded == 0x81 || numloaded == 0x82) {
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DeterministicSpriteGroup *dg;
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uint16 groupid;
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int i;
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switch (type) {
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/* Deterministic Sprite Group */
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case 0x81: // Self scope, byte
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case 0x82: // Parent scope, byte
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{
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DeterministicSpriteGroup *dg;
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uint16 groupid;
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int i;
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// Ok, this is gonna get a little wild, so hold your breath...
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check_length(bufend - buf, 6, "NewSpriteGroup 0x81/0x82");
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/* This stuff is getting actually evaluated in
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* EvalDeterministicSpriteGroup(). */
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group = AllocateSpriteGroup();
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group->type = SGT_DETERMINISTIC;
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dg = &group->g.determ;
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buf += 4; len -= 4;
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check_length(len, 6, "NewSpriteGroup 0x81/0x82");
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dg->var_scope = type == 0x82 ? VSG_SCOPE_PARENT : VSG_SCOPE_SELF;
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dg->variable = grf_load_byte(&buf);
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/* Variables 0x60 - 0x7F include an extra parameter */
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if (IS_BYTE_INSIDE(dg->variable, 0x60, 0x80))
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dg->parameter = grf_load_byte(&buf);
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group = AllocateSpriteGroup();
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group->type = SGT_DETERMINISTIC;
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dg = &group->g.determ;
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dg->shift_num = grf_load_byte(&buf);
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dg->and_mask = grf_load_byte(&buf);
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dg->operation = dg->shift_num >> 6; /* w00t */
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dg->shift_num &= 0x3F;
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if (dg->operation != DSG_OP_NONE) {
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dg->add_val = grf_load_byte(&buf);
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dg->divmod_val = grf_load_byte(&buf);
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}
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/* XXX: We don't free() anything, assuming that if there was
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* some action here before, it got associated by action 3.
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* We should perhaps keep some refcount? --pasky */
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/* (groupid & 0x8000) means this is callback result. */
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dg->var_scope = numloaded == 0x82 ? VSG_SCOPE_PARENT : VSG_SCOPE_SELF;
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dg->variable = grf_load_byte(&buf);
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/* Variables 0x60 - 0x7F include an extra parameter */
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if (IS_BYTE_INSIDE(dg->variable, 0x60, 0x80))
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dg->parameter = grf_load_byte(&buf);
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dg->num_ranges = grf_load_byte(&buf);
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dg->ranges = calloc(dg->num_ranges, sizeof(*dg->ranges));
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for (i = 0; i < dg->num_ranges; i++) {
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groupid = grf_load_word(&buf);
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if (HASBIT(groupid, 15)) {
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dg->ranges[i].group = NewCallBackResultSpriteGroup(groupid);
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} else if (groupid >= _cur_grffile->spritegroups_count || _cur_grffile->spritegroups[groupid] == NULL) {
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grfmsg(GMS_WARN, "NewSpriteGroup(0x%02X:0x%02X): Groupid 0x%04X does not exist, leaving empty.", setid, type, groupid);
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dg->ranges[i].group = NULL;
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} else {
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dg->ranges[i].group = _cur_grffile->spritegroups[groupid];
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}
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dg->shift_num = grf_load_byte(&buf);
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dg->and_mask = grf_load_byte(&buf);
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dg->operation = dg->shift_num >> 6; /* w00t */
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dg->shift_num &= 0x3F;
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if (dg->operation != DSG_OP_NONE) {
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dg->add_val = grf_load_byte(&buf);
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dg->divmod_val = grf_load_byte(&buf);
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}
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dg->ranges[i].low = grf_load_byte(&buf);
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dg->ranges[i].high = grf_load_byte(&buf);
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}
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/* (groupid & 0x8000) means this is callback result. */
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dg->num_ranges = grf_load_byte(&buf);
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dg->ranges = calloc(dg->num_ranges, sizeof(*dg->ranges));
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for (i = 0; i < dg->num_ranges; i++) {
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groupid = grf_load_word(&buf);
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if (HASBIT(groupid, 15)) {
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dg->ranges[i].group = NewCallBackResultSpriteGroup(groupid);
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dg->default_group = NewCallBackResultSpriteGroup(groupid);
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} else if (groupid >= _cur_grffile->spritegroups_count || _cur_grffile->spritegroups[groupid] == NULL) {
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grfmsg(GMS_WARN, "NewSpriteGroup(0x%02X:0x%02X): Groupid 0x%04X does not exist, leaving empty.", setid, numloaded, groupid);
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dg->ranges[i].group = NULL;
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grfmsg(GMS_WARN, "NewSpriteGroup(0x%02X:0x%02X): Groupid 0x%04X does not exist, leaving empty.", setid, type, groupid);
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dg->default_group = NULL;
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} else {
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dg->ranges[i].group = _cur_grffile->spritegroups[groupid];
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dg->default_group = _cur_grffile->spritegroups[groupid];
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}
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dg->ranges[i].low = grf_load_byte(&buf);
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dg->ranges[i].high = grf_load_byte(&buf);
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break;
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}
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groupid = grf_load_word(&buf);
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if (HASBIT(groupid, 15)) {
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dg->default_group = NewCallBackResultSpriteGroup(groupid);
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} else if (groupid >= _cur_grffile->spritegroups_count || _cur_grffile->spritegroups[groupid] == NULL) {
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grfmsg(GMS_WARN, "NewSpriteGroup(0x%02X:0x%02X): Groupid 0x%04X does not exist, leaving empty.", setid, numloaded, groupid);
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dg->default_group = NULL;
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} else {
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dg->default_group = _cur_grffile->spritegroups[groupid];
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}
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/* Randomized Sprite Group */
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case 0x80: // Self scope
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case 0x83: // Parent scope
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{
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RandomizedSpriteGroup *rg;
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int i;
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_cur_grffile->spritegroups[setid] = group;
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return;
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/* This stuff is getting actually evaluated in
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* EvalRandomizedSpriteGroup(). */
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} else if (numloaded == 0x80 || numloaded == 0x83) {
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RandomizedSpriteGroup *rg;
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int i;
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check_length(bufend - buf, 6, "NewSpriteGroup 0x80/0x83");
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/* This stuff is getting actually evaluated in
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* EvalRandomizedSpriteGroup(). */
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group = AllocateSpriteGroup();
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group->type = SGT_RANDOMIZED;
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rg = &group->g.random;
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buf += 4;
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len -= 4;
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check_length(len, 6, "NewSpriteGroup 0x80/0x83");
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rg->var_scope = type == 0x83 ? VSG_SCOPE_PARENT : VSG_SCOPE_SELF;
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group = AllocateSpriteGroup();
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group->type = SGT_RANDOMIZED;
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rg = &group->g.random;
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rg->triggers = grf_load_byte(&buf);
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rg->cmp_mode = rg->triggers & 0x80;
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rg->triggers &= 0x7F;
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/* XXX: We don't free() anything, assuming that if there was
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* some action here before, it got associated by action 3.
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* We should perhaps keep some refcount? --pasky */
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rg->lowest_randbit = grf_load_byte(&buf);
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rg->num_groups = grf_load_byte(&buf);
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rg->var_scope = numloaded == 0x83 ? VSG_SCOPE_PARENT : VSG_SCOPE_SELF;
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rg->groups = calloc(rg->num_groups, sizeof(*rg->groups));
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for (i = 0; i < rg->num_groups; i++) {
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uint16 groupid = grf_load_word(&buf);
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rg->triggers = grf_load_byte(&buf);
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rg->cmp_mode = rg->triggers & 0x80;
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rg->triggers &= 0x7F;
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rg->lowest_randbit = grf_load_byte(&buf);
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rg->num_groups = grf_load_byte(&buf);
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rg->groups = calloc(rg->num_groups, sizeof(*rg->groups));
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for (i = 0; i < rg->num_groups; i++) {
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uint16 groupid = grf_load_word(&buf);
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if (HASBIT(groupid, 15)) {
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rg->groups[i] = NewCallBackResultSpriteGroup(groupid);
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} else if (groupid >= _cur_grffile->spritegroups_count || _cur_grffile->spritegroups[groupid] == NULL) {
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grfmsg(GMS_WARN, "NewSpriteGroup(0x%02X:0x%02X): Groupid 0x%04X does not exist, leaving empty.", setid, numloaded, groupid);
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rg->groups[i] = NULL;
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} else {
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rg->groups[i] = _cur_grffile->spritegroups[groupid];
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if (HASBIT(groupid, 15)) {
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rg->groups[i] = NewCallBackResultSpriteGroup(groupid);
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} else if (groupid >= _cur_grffile->spritegroups_count || _cur_grffile->spritegroups[groupid] == NULL) {
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grfmsg(GMS_WARN, "NewSpriteGroup(0x%02X:0x%02X): Groupid 0x%04X does not exist, leaving empty.", setid, type, groupid);
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rg->groups[i] = NULL;
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} else {
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rg->groups[i] = _cur_grffile->spritegroups[groupid];
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}
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}
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break;
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}
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_cur_grffile->spritegroups[setid] = group;
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return;
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}
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default:
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{
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RealSpriteGroup *rg;
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byte num_loaded = type;
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byte num_loading = grf_load_byte(&buf);
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uint i;
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if (!_cur_grffile->spriteset_start) {
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grfmsg(GMS_ERROR, "NewSpriteGroup: No sprite set to work on! Skipping.");
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return;
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}
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if (!_cur_grffile->spriteset_start) {
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grfmsg(GMS_ERROR, "NewSpriteGroup: No sprite set to work on! Skipping.");
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return;
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}
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if (_cur_grffile->spriteset_feature != feature) {
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grfmsg(GMS_ERROR, "NewSpriteGroup: Group feature 0x%02X doesn't match set feature 0x%X! Playing it risky and trying to use it anyway.", feature, _cur_grffile->spriteset_feature);
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// return; // XXX: we can't because of MB's newstats.grf --pasky
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}
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if (_cur_grffile->spriteset_feature != feature) {
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grfmsg(GMS_ERROR, "NewSpriteGroup: Group feature 0x%02X doesn't match set feature 0x%X! Playing it risky and trying to use it anyway.", feature, _cur_grffile->spriteset_feature);
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// return; // XXX: we can't because of MB's newstats.grf --pasky
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}
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check_length(bufend - buf, 5, "NewSpriteGroup");
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buf += 5;
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check_length(bufend - buf, 2 * numloaded, "NewSpriteGroup");
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loaded_ptr = buf;
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loading_ptr = buf + 2 * numloaded;
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if (_cur_grffile->first_spriteset == 0)
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_cur_grffile->first_spriteset = _cur_grffile->spriteset_start;
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if (_cur_grffile->first_spriteset == 0)
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_cur_grffile->first_spriteset = _cur_grffile->spriteset_start;
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group = AllocateSpriteGroup();
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group->type = SGT_REAL;
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rg = &group->g.real;
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group = AllocateSpriteGroup();
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group->type = SGT_REAL;
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rg = &group->g.real;
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rg->sprites_per_set = _cur_grffile->spriteset_numents;
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rg->loaded_count = num_loaded;
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rg->loading_count = num_loading;
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rg->sprites_per_set = _cur_grffile->spriteset_numents;
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rg->loaded_count = numloaded;
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rg->loading_count = numloading;
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rg->loaded = calloc(rg->loaded_count, sizeof(*rg->loaded));
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rg->loading = calloc(rg->loading_count, sizeof(*rg->loading));
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rg->loaded = calloc(rg->loaded_count, sizeof(*rg->loaded));
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rg->loading = calloc(rg->loading_count, sizeof(*rg->loading));
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DEBUG(grf, 6) ("NewSpriteGroup: New SpriteGroup 0x%02hhx, %u views, %u loaded, %u loading, sprites %u - %u",
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setid, rg->sprites_per_set, rg->loaded_count, rg->loading_count,
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_cur_grffile->spriteset_start - _cur_grffile->sprite_offset,
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_cur_grffile->spriteset_start + (_cur_grffile->spriteset_numents * (num_loaded + num_loading)) - _cur_grffile->sprite_offset);
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DEBUG(grf, 6) ("NewSpriteGroup: New SpriteGroup 0x%02hhx, %u views, %u loaded, %u loading, sprites %u - %u",
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setid, rg->sprites_per_set, rg->loaded_count, rg->loading_count,
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_cur_grffile->spriteset_start - _cur_grffile->sprite_offset,
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_cur_grffile->spriteset_start + (_cur_grffile->spriteset_numents * (numloaded + numloading)) - _cur_grffile->sprite_offset);
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for (i = 0; i < num_loaded; i++) {
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uint16 spriteset_id = grf_load_word(&buf);
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if (HASBIT(spriteset_id, 15)) {
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rg->loaded[i] = NewCallBackResultSpriteGroup(spriteset_id);
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} else {
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rg->loaded[i] = NewResultSpriteGroup(_cur_grffile->spriteset_start + spriteset_id * _cur_grffile->spriteset_numents, rg->sprites_per_set);
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}
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DEBUG(grf, 8) ("NewSpriteGroup: + rg->loaded[%i] = %u (subset %u)", i, rg->loaded[i]->g.result.result, spriteset_id);
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}
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for (i = 0; i < numloaded; i++) {
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uint16 spriteset_id = grf_load_word(&loaded_ptr);
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if (HASBIT(spriteset_id, 15)) {
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rg->loaded[i] = NewCallBackResultSpriteGroup(spriteset_id);
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} else {
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rg->loaded[i] = NewResultSpriteGroup(_cur_grffile->spriteset_start + spriteset_id * _cur_grffile->spriteset_numents, rg->sprites_per_set);
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for (i = 0; i < num_loading; i++) {
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uint16 spriteset_id = grf_load_word(&buf);
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if (HASBIT(spriteset_id, 15)) {
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rg->loading[i] = NewCallBackResultSpriteGroup(spriteset_id);
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} else {
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rg->loading[i] = NewResultSpriteGroup(_cur_grffile->spriteset_start + spriteset_id * _cur_grffile->spriteset_numents, rg->sprites_per_set);
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}
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DEBUG(grf, 8) ("NewSpriteGroup: + rg->loading[%i] = %u (subset %u)", i, rg->loading[i]->g.result.result, spriteset_id);
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}
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break;
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}
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DEBUG(grf, 8) ("NewSpriteGroup: + rg->loaded[%i] = %u (subset %u)", i, rg->loaded[i]->g.result.result, spriteset_id);
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}
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for (i = 0; i < numloading; i++) {
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uint16 spriteset_id = grf_load_word(&loading_ptr);
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if (HASBIT(spriteset_id, 15)) {
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rg->loading[i] = NewCallBackResultSpriteGroup(spriteset_id);
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} else {
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rg->loading[i] = NewResultSpriteGroup(_cur_grffile->spriteset_start + spriteset_id * _cur_grffile->spriteset_numents, rg->sprites_per_set);
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}
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DEBUG(grf, 8) ("NewSpriteGroup: + rg->loading[%i] = %u (subset %u)", i, rg->loading[i]->g.result.result, spriteset_id);
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}
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_cur_grffile->spritegroups[setid] = group;
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