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fix(rendering): game objects invisible due to GPU cull instance limit

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MAX_CULL_INSTANCES was 16384 but game object instances were allocated
at indices 20000+, beyond the cull buffer. Increased to 65536.
Also compute fallback boundRadius from vertex extents when M2 header
reports 0, and seed bones for global-sequence-only animated models.
This commit is contained in:
Kelsi Davis 2026-04-05 03:18:52 -07:00
parent 1dd1a431f4
commit b62df70d09
3 changed files with 70 additions and 13 deletions
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55
src/rendering/m2_renderer.cpp
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@ -1371,6 +1371,11 @@ bool M2Renderer::loadModel(const pipeline::M2Model& model, uint32_t modelId) {
gpuModel.boundMin = tightMin;
gpuModel.boundMax = tightMax;
gpuModel.boundRadius = model.boundRadius;
// Fallback: compute bound radius from vertex extents when M2 header reports 0
if (gpuModel.boundRadius < 0.01f && !model.vertices.empty()) {
glm::vec3 extent = tightMax - tightMin;
gpuModel.boundRadius = glm::length(extent) * 0.5f;
}
gpuModel.indexCount = static_cast<uint32_t>(model.indices.size());
gpuModel.vertexCount = static_cast<uint32_t>(model.vertices.size());
@ -1915,12 +1920,14 @@ uint32_t M2Renderer::createInstance(uint32_t modelId, const glm::vec3& position,
// Initialize animation: play first sequence (usually Stand/Idle)
const auto& mdl = mdlRef;
if (mdl.hasAnimation && !mdl.disableAnimation && !mdl.sequences.empty()) {
instance.currentSequenceIndex = 0;
instance.idleSequenceIndex = 0;
instance.animDuration = static_cast<float>(mdl.sequences[0].duration);
instance.animTime = static_cast<float>(randRange(std::max(1u, mdl.sequences[0].duration)));
instance.variationTimer = randFloat(3000.0f, 11000.0f);
if (mdl.hasAnimation && !mdl.disableAnimation) {
if (!mdl.sequences.empty()) {
instance.currentSequenceIndex = 0;
instance.idleSequenceIndex = 0;
instance.animDuration = static_cast<float>(mdl.sequences[0].duration);
instance.animTime = static_cast<float>(randRange(std::max(1u, mdl.sequences[0].duration)));
instance.variationTimer = randFloat(3000.0f, 11000.0f);
}
// Seed bone matrices from an existing instance of the same model so the
// new instance renders immediately instead of being invisible until the
@ -2022,12 +2029,14 @@ uint32_t M2Renderer::createInstanceWithMatrix(uint32_t modelId, const glm::mat4&
instance.cachedModel = &mdl2;
// Initialize animation
if (mdl2.hasAnimation && !mdl2.disableAnimation && !mdl2.sequences.empty()) {
instance.currentSequenceIndex = 0;
instance.idleSequenceIndex = 0;
instance.animDuration = static_cast<float>(mdl2.sequences[0].duration);
instance.animTime = static_cast<float>(randRange(std::max(1u, mdl2.sequences[0].duration)));
instance.variationTimer = randFloat(3000.0f, 11000.0f);
if (mdl2.hasAnimation && !mdl2.disableAnimation) {
if (!mdl2.sequences.empty()) {
instance.currentSequenceIndex = 0;
instance.idleSequenceIndex = 0;
instance.animDuration = static_cast<float>(mdl2.sequences[0].duration);
instance.animTime = static_cast<float>(randRange(std::max(1u, mdl2.sequences[0].duration)));
instance.variationTimer = randFloat(3000.0f, 11000.0f);
}
// Seed bone matrices from an existing sibling so the instance renders immediately
for (const auto& existing : instances) {
@ -2612,6 +2621,28 @@ void M2Renderer::render(VkCommandBuffer cmd, VkDescriptorSet perFrameSet, const
LOG_INFO("M2 render: ", instances.size(), " instances, ", models.size(), " models");
}
// Periodic diagnostic: report render pipeline stats every 10 seconds
static int diagCounter = 0;
if (++diagCounter == 600) { // ~10s at 60fps
diagCounter = 0;
uint32_t totalValid = 0, totalAnimated = 0, totalBonesReady = 0, totalMegaBoneOk = 0;
for (const auto& inst : instances) {
if (inst.cachedIsValid) totalValid++;
if (inst.cachedHasAnimation && !inst.cachedDisableAnimation) {
totalAnimated++;
if (!inst.boneMatrices.empty()) totalBonesReady++;
if (inst.megaBoneOffset != 0) totalMegaBoneOk++;
}
}
LOG_INFO("M2 diag: total=", instances.size(),
" valid=", totalValid,
" animated=", totalAnimated,
" bonesReady=", totalBonesReady,
" megaBoneOk=", totalMegaBoneOk,
" visible=", sortedVisible_.size(),
" draws=", lastDrawCallCount);
}
// Reuse persistent buffers (clear instead of reallocating)
glowSprites_.clear();