rename rig to skeleton

src/logic/scripting/lua/lib__skeleton.cpp

@@ -0,0 +1,56 @@
+#include "libentity.hpp"
+
+#include "../../../objects/rigging.hpp"
+
+static int index_range_check(const rigging::Skeleton& skeleton, lua::Integer index) {
+    if (static_cast<size_t>(index) >= skeleton.pose.matrices.size()) {
+        throw std::runtime_error("index out of range [0, " +
+                                 std::to_string(skeleton.pose.matrices.size()) +
+                                 "]");
+    }
+    return static_cast<int>(index);
+}
+
+static int l_get_model(lua::State* L) {
+    if (auto entity = get_entity(L, 1)) {
+        auto& skeleton = entity->getSkeleton();
+        auto* rigConfig = skeleton.config;
+        auto index = index_range_check(skeleton, lua::tointeger(L, 2));
+        return lua::pushstring(L, rigConfig->getNodes()[index]->getModelName());
+    }
+    return 0;
+}
+
+static int l_get_matrix(lua::State* L) {
+    if (auto entity = get_entity(L, 1)) {
+        auto& skeleton = entity->getSkeleton();
+        auto index = index_range_check(skeleton, lua::tointeger(L, 2));
+        return lua::pushmat4(L, skeleton.pose.matrices[index]);
+    }
+    return 0;
+}
+
+static int l_set_matrix(lua::State* L) {
+    if (auto entity = get_entity(L, 1)) {
+        auto& skeleton = entity->getSkeleton();
+        auto index = index_range_check(skeleton, lua::tointeger(L, 2));
+        skeleton.pose.matrices[index] = lua::tomat4(L, 3);
+    }
+    return 0;
+}
+
+static int l_set_texture(lua::State* L) {
+    if (auto entity = get_entity(L, 1)) {
+        auto& skeleton = entity->getSkeleton();
+        skeleton.textures[lua::require_string(L, 2)] = lua::require_string(L, 3);
+    }
+    return 0;
+}
+
+const luaL_Reg skeletonlib [] = {
+    {"get_model", lua::wrap<l_get_model>},
+    {"get_matrix", lua::wrap<l_get_matrix>},
+    {"set_matrix", lua::wrap<l_set_matrix>},
+    {"set_texture", lua::wrap<l_set_texture>},
+    {NULL, NULL}
+};