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Add L-system trees as decorations (#14355)

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cx384 2024-03-12 20:10:28 +01:00 • committed by GitHub
parent f07e1026ac
commit 60810c2d37
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10 changed files with 125 additions and 46 deletions
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46
src/script/common/c_content.cpp
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@ -37,6 +37,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "debug.h" // For FATAL_ERROR
#include <SColor.h>
#include <json/json.h>
#include "mapgen/treegen.h"
struct EnumString es_TileAnimationType[] =
{
@ -2006,6 +2007,51 @@ void push_noiseparams(lua_State *L, NoiseParams *np)
lua_setfield(L, -2, "spread");
}
bool read_tree_def(lua_State *L, int idx, const NodeDefManager *ndef,
treegen::TreeDef &tree_def)
{
std::string trunk, leaves, fruit;
if (!lua_istable(L, idx))
return false;
getstringfield(L, idx, "axiom", tree_def.initial_axiom);
getstringfield(L, idx, "rules_a", tree_def.rules_a);
getstringfield(L, idx, "rules_b", tree_def.rules_b);
getstringfield(L, idx, "rules_c", tree_def.rules_c);
getstringfield(L, idx, "rules_d", tree_def.rules_d);
getstringfield(L, idx, "trunk", trunk);
tree_def.m_nodenames.push_back(trunk);
getstringfield(L, idx, "leaves", leaves);
tree_def.m_nodenames.push_back(leaves);
tree_def.leaves2_chance = 0;
getstringfield(L, idx, "leaves2", leaves);
if (!leaves.empty()) {
getintfield(L, idx, "leaves2_chance", tree_def.leaves2_chance);
if (tree_def.leaves2_chance)
tree_def.m_nodenames.push_back(leaves);
}
getintfield(L, idx, "angle", tree_def.angle);
getintfield(L, idx, "iterations", tree_def.iterations);
if (!getintfield(L, idx, "random_level", tree_def.iterations_random_level))
tree_def.iterations_random_level = 0;
getstringfield(L, idx, "trunk_type", tree_def.trunk_type);
getboolfield(L, idx, "thin_branches", tree_def.thin_branches);
tree_def.fruit_chance = 0;
getstringfield(L, idx, "fruit", fruit);
if (!fruit.empty()) {
getintfield(L, idx, "fruit_chance", tree_def.fruit_chance);
if (tree_def.fruit_chance)
tree_def.m_nodenames.push_back(fruit);
}
tree_def.explicit_seed = getintfield(L, idx, "seed", tree_def.seed);
// Resolves the node IDs for trunk, leaves, leaves2 and fruit at runtime,
// when tree_def.resolveNodeNames will be called.
ndef->pendNodeResolve(&tree_def);
return true;
}
/******************************************************************************/
// Returns depth of json value tree
static int push_json_value_getdepth(const Json::Value &value)