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feat: heirarchical transforms are now implemented

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This commit is contained in:
LJW-Dev
2026-04-18 13:41:01 +08:00
committed by Jan Laupetin
parent e5748a59fa
commit 1d109d5e35
1 changed files with 35 additions and 45 deletions
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src/ObjLoading/Game/T6/BSP/BSPCreator.cpp
+35 -45
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@@ -359,14 +359,12 @@ namespace
return vertexOffset;
}
bool addLightNode(const gltf::JsonNode& node)
bool addLightNode(const gltf::JsonNode& node, Eigen::Matrix4f& nodeMatrix)
{
assert(m_is_world_gfx);
assert(node.extensions);
assert(node.extensions->KHR_lights_punctual);
Eigen::Matrix4f nodeMatrix = createNodeMatrix(node);
int lightIndex = node.extensions->KHR_lights_punctual->light;
assert(lightIndex >= 0);
@@ -438,13 +436,11 @@ namespace
return newMaterialIndex;
}
bool addMeshNode(const JsonRoot& jRoot, const gltf::JsonNode& node)
bool addMeshNode(const JsonRoot& jRoot, const gltf::JsonNode& node, Eigen::Matrix4f& nodeMatrix)
{
assert(node.mesh);
assert(jRoot.meshes);
Eigen::Matrix4f nodeMatrix = createNodeMatrix(node);
const auto& mesh = jRoot.meshes.value()[node.mesh.value()];
for (const auto& primitive : mesh.primitives)
{
@@ -559,12 +555,11 @@ namespace
}
}
bool addXModelNode(const JsonRoot& jRoot, const gltf::JsonNode& node)
bool addXModelNode(const JsonRoot& jRoot, const gltf::JsonNode& node, Eigen::Matrix4f& nodeMatrix)
{
assert(node.extras);
assert(node.extras->contains("xmodel"));
Eigen::Matrix4f nodeMatrix = createNodeMatrix(node);
BSPXModel xmodel;
xmodel.name = node.extras->at("xmodel");
@@ -607,13 +602,11 @@ namespace
return true;
}
bool addSpawnPointNode(const gltf::JsonNode& node)
bool addSpawnPointNode(const gltf::JsonNode& node, Eigen::Matrix4f& nodeMatrix)
{
assert(node.extras);
assert(node.extras->contains("spawnpoint"));
Eigen::Matrix4f nodeMatrix = createNodeMatrix(node);
Eigen::Vector4f position(0, 0, 0, 1.0f);
Eigen::Vector4f transformedPosition = nodeMatrix * position;
vec3_t origin;
@@ -650,12 +643,11 @@ namespace
return true;
}
size_t addScriptBrushModel(const JsonRoot& jRoot, const gltf::JsonNode& node)
size_t addScriptBrushModel(const JsonRoot& jRoot, const gltf::JsonNode& node, Eigen::Matrix4f& nodeMatrix)
{
if (!node.mesh || !jRoot.meshes)
throw new GltfLoadException("Script model created with no mesh data");
Eigen::Matrix4f nodeMatrix = createNodeMatrix(node);
const auto& mesh = jRoot.meshes.value()[node.mesh.value()];
if (mesh.primitives.size() == 0)
@@ -737,12 +729,11 @@ namespace
return m_bsp->models.size(); // script model index starts at 1
}
size_t addScriptTerrainModel(const JsonRoot& jRoot, const gltf::JsonNode& node)
size_t addScriptTerrainModel(const JsonRoot& jRoot, const gltf::JsonNode& node, Eigen::Matrix4f& nodeMatrix)
{
if (!node.mesh || !jRoot.meshes)
throw new GltfLoadException("Script model created with no mesh data");
Eigen::Matrix4f nodeMatrix = createNodeMatrix(node);
const auto& mesh = jRoot.meshes.value()[node.mesh.value()];
if (mesh.primitives.size() == 0)
@@ -798,7 +789,7 @@ namespace
return m_bsp->models.size(); // script model index starts at 1
}
bool addZoneNode(const JsonRoot& jRoot, const gltf::JsonNode& node)
bool addZoneNode(const JsonRoot& jRoot, const gltf::JsonNode& node, Eigen::Matrix4f& nodeMatrix)
{
assert(node.extras);
assert(node.extras->contains("zone"));
@@ -809,8 +800,6 @@ namespace
return false;
}
Eigen::Matrix4f nodeMatrix = createNodeMatrix(node);
Eigen::Vector4f position(0, 0, 0, 1.0f);
Eigen::Vector4f transformedPosition = nodeMatrix * position;
vec3_t origin;
@@ -824,19 +813,17 @@ namespace
zone.zoneName = node.extras->at("zone");
zone.spawnerGroupName = node.extras->at("spawner_group");
zone.spawnpointGroupName = node.extras->at("spawnpoint_group");
zone.modelIndex = addScriptBrushModel(jRoot, node);
zone.modelIndex = addScriptBrushModel(jRoot, node, nodeMatrix);
m_bsp->zm_zones.emplace_back(zone);
return true;
}
bool addZSpawnerNode(const gltf::JsonNode& node)
bool addZSpawnerNode(const gltf::JsonNode& node, Eigen::Matrix4f& nodeMatrix)
{
assert(node.extras);
assert(node.extras->contains("spawner"));
Eigen::Matrix4f nodeMatrix = createNodeMatrix(node);
Eigen::Vector4f position(0, 0, 0, 1.0f);
Eigen::Vector4f transformedPosition = nodeMatrix * position;
vec3_t origin;
@@ -866,7 +853,7 @@ namespace
return true;
}
bool addClassNode(const JsonRoot& jRoot, const gltf::JsonNode& node)
bool addClassNode(const JsonRoot& jRoot, const gltf::JsonNode& node, Eigen::Matrix4f& nodeMatrix)
{
assert(node.extras);
assert(node.extras->contains("classname"));
@@ -891,15 +878,13 @@ namespace
if (node.mesh && !doesClassContainModel)
{
if (m_is_world_gfx)
entity.modelIndex = addScriptTerrainModel(jRoot, node);
entity.modelIndex = addScriptTerrainModel(jRoot, node, nodeMatrix);
else
entity.modelIndex = addScriptBrushModel(jRoot, node);
entity.modelIndex = addScriptBrushModel(jRoot, node, nodeMatrix);
}
else
entity.modelIndex = 0;
Eigen::Matrix4f nodeMatrix = createNodeMatrix(node);
Eigen::Vector4f position(0, 0, 0, 1.0f);
Eigen::Vector4f transformedPosition = nodeMatrix * position;
entity.origin.x = transformedPosition.x();
@@ -920,37 +905,37 @@ namespace
return true;
}
bool addNodeToBSP(const JsonRoot& jRoot, const gltf::JsonNode& node)
bool addNodeToBSP(const JsonRoot& jRoot, const gltf::JsonNode& node, Eigen::Matrix4f& nodeMatrix)
{
if (m_is_world_gfx && node.extensions && node.extensions->KHR_lights_punctual)
return addLightNode(node);
return addLightNode(node, nodeMatrix);
if (node.extras)
{
if (!m_is_world_gfx)
{
if (node.extras->contains("classname"))
return addClassNode(jRoot, node);
return addClassNode(jRoot, node, nodeMatrix);
if (node.extras->contains("spawnpoint"))
return addSpawnPointNode(node);
return addSpawnPointNode(node, nodeMatrix);
if (m_bsp->isZombiesMap)
{
if (node.extras->contains("zone"))
return addZoneNode(jRoot, node);
return addZoneNode(jRoot, node, nodeMatrix);
if (node.extras->contains("spawner"))
return addZSpawnerNode(node);
return addZSpawnerNode(node, nodeMatrix);
}
}
if (node.extras->contains("xmodel"))
return addXModelNode(jRoot, node);
return addXModelNode(jRoot, node, nodeMatrix);
}
if (node.mesh)
return addMeshNode(jRoot, node);
return addMeshNode(jRoot, node, nodeMatrix);
return false;
}
@@ -1155,27 +1140,32 @@ namespace
if (!jRoot.nodes || jRoot.nodes->empty())
return;
std::deque<unsigned> nodeQueue;
const std::vector<unsigned> rootNodes = GetRootNodes(jRoot);
struct s_nodes
{
unsigned int nodeIndex;
Eigen::Matrix4f parentNodeMatrix;
};
for (const auto rootNode : rootNodes)
nodeQueue.emplace_back(rootNode);
std::deque<s_nodes> nodeQueue;
for (const auto rootNode : GetRootNodes(jRoot))
nodeQueue.emplace_back(s_nodes{rootNode, Eigen::Matrix4f::Identity()});
while (!nodeQueue.empty())
{
const auto& node = jRoot.nodes.value()[nodeQueue.front()];
const auto& node = jRoot.nodes.value()[nodeQueue.front().nodeIndex];
Eigen::Matrix4f parentNodeMatrix = nodeQueue.front().parentNodeMatrix;
nodeQueue.pop_front();
Eigen::Matrix4f nodeMatrix = createNodeMatrix(node);
Eigen::Matrix4f transformedNodeMatrix = parentNodeMatrix * nodeMatrix;
if (node.children)
{
for (const auto childIndex : *node.children)
nodeQueue.emplace_back(childIndex);
if (node.matrix || node.translation || node.rotation || node.scale)
con::warn("Parent node has position data that won't be used");
nodeQueue.emplace_back(s_nodes{childIndex, transformedNodeMatrix});
}
if (!addNodeToBSP(jRoot, node))
if (!addNodeToBSP(jRoot, node, transformedNodeMatrix))
con::warn("({}) Ignoring node: {}", getWorldTypeName(), node.name.value_or("unnamed node"));
}
}