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Decoration: Add schematic Y-slice probability support

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This commit is contained in:
kwolekr 2013-12-01 01:23:39 -05:00
parent de0cdbc01c
commit 20e3d550fa
4 changed files with 108 additions and 47 deletions
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117
src/mapgen.cpp
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@ -482,16 +482,18 @@ std::string DecoSimple::getName() {
DecoSchematic::DecoSchematic() {
node_names = NULL;
schematic = NULL;
flags = 0;
size = v3s16(0, 0, 0);
node_names = NULL;
schematic = NULL;
slice_probs = NULL;
flags = 0;
size = v3s16(0, 0, 0);
}
DecoSchematic::~DecoSchematic() {
delete node_names;
delete []schematic;
delete []slice_probs;
}
@ -599,37 +601,44 @@ void DecoSchematic::blitToVManip(v3s16 p, ManualMapVoxelManipulator *vm,
i_step_x = xstride;
i_step_z = zstride;
}
for (s16 z = 0; z != sz; z++)
for (s16 y = 0; y != sy; y++) {
u32 i = z * i_step_z + y * ystride + i_start;
for (s16 x = 0; x != sx; x++, i += i_step_x) {
u32 vi = vm->m_area.index(p.X + x, p.Y + y, p.Z + z);
if (!vm->m_area.contains(vi))
continue;
if (schematic[i].getContent() == CONTENT_IGNORE)
continue;
if (schematic[i].param1 == MTSCHEM_PROB_NEVER)
continue;
if (!force_placement) {
content_t c = vm->m_data[vi].getContent();
if (c != CONTENT_AIR && c != CONTENT_IGNORE)
s16 y_map = p.Y;
for (s16 y = 0; y != sy; y++) {
if (slice_probs[y] != MTSCHEM_PROB_ALWAYS &&
myrand_range(1, 255) > slice_probs[y])
continue;
for (s16 z = 0; z != sz; z++) {
u32 i = z * i_step_z + y * ystride + i_start;
for (s16 x = 0; x != sx; x++, i += i_step_x) {
u32 vi = vm->m_area.index(p.X + x, y_map, p.Z + z);
if (!vm->m_area.contains(vi))
continue;
if (schematic[i].getContent() == CONTENT_IGNORE)
continue;
if (schematic[i].param1 == MTSCHEM_PROB_NEVER)
continue;
if (!force_placement) {
content_t c = vm->m_data[vi].getContent();
if (c != CONTENT_AIR && c != CONTENT_IGNORE)
continue;
}
if (schematic[i].param1 != MTSCHEM_PROB_ALWAYS &&
myrand_range(1, 255) > schematic[i].param1)
continue;
vm->m_data[vi] = schematic[i];
vm->m_data[vi].param1 = 0;
if (rot)
vm->m_data[vi].rotateAlongYAxis(ndef, rot);
}
if (schematic[i].param1 != MTSCHEM_PROB_ALWAYS &&
myrand_range(1, 255) > schematic[i].param1)
continue;
vm->m_data[vi] = schematic[i];
vm->m_data[vi].param1 = 0;
if (rot)
vm->m_data[vi].rotateAlongYAxis(ndef, rot);
}
y_map++;
}
}
@ -690,13 +699,24 @@ bool DecoSchematic::loadSchematicFile() {
}
u16 version = readU16(is);
if (version > 2) {
if (version > MTSCHEM_FILE_VER_HIGHEST_READ) {
errorstream << "loadSchematicFile: unsupported schematic "
"file version" << std::endl;
return false;
}
size = readV3S16(is);
delete []slice_probs;
slice_probs = new u8[size.Y];
if (version >= 3) {
for (int y = 0; y != size.Y; y++)
slice_probs[y] = readU8(is);
} else {
for (int y = 0; y != size.Y; y++)
slice_probs[y] = MTSCHEM_PROB_ALWAYS;
}
int nodecount = size.X * size.Y * size.Z;
u16 nidmapcount = readU16(is);
@ -712,7 +732,7 @@ bool DecoSchematic::loadSchematicFile() {
node_names->push_back(name);
}
delete schematic;
delete []schematic;
schematic = new MapNode[nodecount];
MapNode::deSerializeBulk(is, SER_FMT_VER_HIGHEST_READ, schematic,
nodecount, 2, 2, true);
@ -735,10 +755,12 @@ bool DecoSchematic::loadSchematicFile() {
All values are stored in big-endian byte order.
[u32] signature: 'MTSM'
[u16] version: 2
[u16] version: 3
[u16] size X
[u16] size Y
[u16] size Z
For each Y:
[u8] slice probability value
[Name-ID table] Name ID Mapping Table
[u16] name-id count
For each name-id mapping:
@ -760,10 +782,13 @@ bool DecoSchematic::loadSchematicFile() {
void DecoSchematic::saveSchematicFile(INodeDefManager *ndef) {
std::ostringstream ss(std::ios_base::binary);
writeU32(ss, MTSCHEM_FILE_SIGNATURE); // signature
writeU16(ss, 2); // version
writeV3S16(ss, size); // schematic size
writeU32(ss, MTSCHEM_FILE_SIGNATURE); // signature
writeU16(ss, MTSCHEM_FILE_VER_HIGHEST_WRITE); // version
writeV3S16(ss, size); // schematic size
for (int y = 0; y != size.Y; y++) // Y slice probabilities
writeU8(ss, slice_probs[y]);
std::vector<content_t> usednodes;
int nodecount = size.X * size.Y * size.Z;
build_nnlist_and_update_ids(schematic, nodecount, &usednodes);
@ -813,6 +838,11 @@ bool DecoSchematic::getSchematicFromMap(Map *map, v3s16 p1, v3s16 p2) {
vm->initialEmerge(bp1, bp2);
size = p2 - p1 + 1;
slice_probs = new u8[size.Y];
for (s16 y = 0; y != size.Y; y++)
slice_probs[y] = MTSCHEM_PROB_ALWAYS;
schematic = new MapNode[size.X * size.Y * size.Z];
u32 i = 0;
@ -830,8 +860,10 @@ bool DecoSchematic::getSchematicFromMap(Map *map, v3s16 p1, v3s16 p2) {
}
void DecoSchematic::applyProbabilities(std::vector<std::pair<v3s16, u8> > *plist,
v3s16 p0) {
void DecoSchematic::applyProbabilities(v3s16 p0,
std::vector<std::pair<v3s16, u8> > *plist,
std::vector<std::pair<s16, u8> > *splist) {
for (size_t i = 0; i != plist->size(); i++) {
v3s16 p = (*plist)[i].first - p0;
int index = p.Z * (size.Y * size.X) + p.Y * size.X + p.X;
@ -844,6 +876,11 @@ void DecoSchematic::applyProbabilities(std::vector<std::pair<v3s16, u8> > *plist
schematic[index].setContent(CONTENT_AIR);
}
}
for (size_t i = 0; i != splist->size(); i++) {
s16 y = (*splist)[i].first - p0.Y;
slice_probs[y] = (*splist)[i].second;
}
}