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GroveEngine/modules/BgfxRenderer/Scene/SceneCollector.cpp
StillHammer 63751d6f91 fix: Multi-texture sprite rendering - setState per batch + transient buffers 
Fixed two critical bugs preventing multiple textured sprites from rendering correctly:

1. **setState consumed by submit**: Render state was set once at the beginning,
   but bgfx consumes state at each submit(). Batches 2+ had no state → invisible.

   FIX: Call setState() before EACH batch, not once globally.

2. **Buffer overwrite race condition**: updateBuffer() is immediate but submit()
   is deferred. When batch 2 called updateBuffer(), it overwrote batch 1's data
   BEFORE bgfx executed the draw calls. All batches used the last batch's data
   → all sprites rendered at the same position (superimposed).

   FIX: Use transient buffers (one per batch, frame-local) instead of reusing
   the same dynamic buffer. Each batch gets its own isolated memory.

Changes:
- SpritePass: setState before each batch + transient buffer allocation per batch
- UIRenderer: Retained mode rendering (render:sprite:add/update/remove)
- test_ui_showcase: Added 3 textured buttons demo section
- test_3buttons_minimal: Minimal test case for multi-texture debugging

Tested: 3 textured buttons now render at correct positions with correct textures.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2026-01-14 14:05:56 +07:00

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#include "SceneCollector.h"
#include "grove/IIO.h"
#include "grove/IDataNode.h"
#include "../Frame/FrameAllocator.h"
#include <cstring>
#include <spdlog/spdlog.h>
namespace grove {
void SceneCollector::setup(IIO* io, uint16_t width, uint16_t height) {
// Subscribe to all render topics (multi-level wildcard .* matches render:sprite AND render:debug:line)
io->subscribe("render:.*");
// Initialize default view with provided dimensions (will be overridden by camera messages)
initDefaultView(width > 0 ? width : 1280, height > 0 ? height : 720);
}
void SceneCollector::collect(IIO* io, float deltaTime) {
m_deltaTime = deltaTime;
m_frameNumber++;
// Pull all pending messages
while (io->hasMessages() > 0) {
Message msg = io->pullMessage();
if (!msg.data) continue;
// Route message based on topic
// Retained mode (new) - sprites
if (msg.topic == "render:sprite:add") {
spdlog::info("✅ RETAINED MODE: render:sprite:add received");
parseSpriteAdd(*msg.data);
}
else if (msg.topic == "render:sprite:update") {
spdlog::info("✅ RETAINED MODE: render:sprite:update received");
parseSpriteUpdate(*msg.data);
}
else if (msg.topic == "render:sprite:remove") {
parseSpriteRemove(*msg.data);
}
// Retained mode (new) - text
else if (msg.topic == "render:text:add") {
parseTextAdd(*msg.data);
}
else if (msg.topic == "render:text:update") {
parseTextUpdate(*msg.data);
}
else if (msg.topic == "render:text:remove") {
parseTextRemove(*msg.data);
}
// Ephemeral mode (legacy)
else if (msg.topic == "render:sprite") {
spdlog::info("⚠️ EPHEMERAL MODE: render:sprite received (should not happen in retained mode!)");
parseSprite(*msg.data);
}
else if (msg.topic == "render:sprite:batch") {
parseSpriteBatch(*msg.data);
}
else if (msg.topic == "render:tilemap") {
parseTilemap(*msg.data);
}
else if (msg.topic == "render:text") {
parseText(*msg.data);
}
else if (msg.topic == "render:particle") {
parseParticle(*msg.data);
}
else if (msg.topic == "render:camera") {
parseCamera(*msg.data);
}
else if (msg.topic == "render:clear") {
parseClear(*msg.data);
}
else if (msg.topic == "render:debug:line") {
parseDebugLine(*msg.data);
}
else if (msg.topic == "render:debug:rect") {
parseDebugRect(*msg.data);
}
}
}
FramePacket SceneCollector::finalize(FrameAllocator& allocator) {
FramePacket packet;
packet.frameNumber = m_frameNumber;
packet.deltaTime = m_deltaTime;
packet.clearColor = m_clearColor;
packet.mainView = m_mainView;
packet.allocator = &allocator;
// Copy sprites to frame allocator (merge retained + ephemeral)
size_t totalSprites = m_retainedSprites.size() + m_sprites.size();
if (totalSprites > 0) {
SpriteInstance* sprites = allocator.allocateArray<SpriteInstance>(totalSprites);
if (sprites) {
size_t idx = 0;
// Copy retained sprites first
for (const auto& [renderId, sprite] : m_retainedSprites) {
sprites[idx++] = sprite;
}
// Copy ephemeral sprites
if (!m_sprites.empty()) {
std::memcpy(&sprites[idx], m_sprites.data(), m_sprites.size() * sizeof(SpriteInstance));
}
packet.sprites = sprites;
packet.spriteCount = totalSprites;
}
} else {
packet.sprites = nullptr;
packet.spriteCount = 0;
}
// Copy tilemaps (with tile data)
if (!m_tilemaps.empty()) {
TilemapChunk* tilemaps = allocator.allocateArray<TilemapChunk>(m_tilemaps.size());
if (tilemaps) {
std::memcpy(tilemaps, m_tilemaps.data(), m_tilemaps.size() * sizeof(TilemapChunk));
// Copy tile data to frame allocator and fix up pointers
for (size_t i = 0; i < m_tilemaps.size() && i < m_tilemapTiles.size(); ++i) {
const std::vector<uint16_t>& tiles = m_tilemapTiles[i];
if (!tiles.empty()) {
uint16_t* tilesCopy = static_cast<uint16_t*>(
allocator.allocate(tiles.size() * sizeof(uint16_t), alignof(uint16_t)));
if (tilesCopy) {
std::memcpy(tilesCopy, tiles.data(), tiles.size() * sizeof(uint16_t));
tilemaps[i].tiles = tilesCopy;
tilemaps[i].tileCount = tiles.size();
}
}
}
packet.tilemaps = tilemaps;
packet.tilemapCount = m_tilemaps.size();
}
} else {
packet.tilemaps = nullptr;
packet.tilemapCount = 0;
}
// Copy texts (with string data) - merge retained + ephemeral
size_t totalTexts = m_retainedTexts.size() + m_texts.size();
if (totalTexts > 0) {
TextCommand* texts = allocator.allocateArray<TextCommand>(totalTexts);
if (texts) {
size_t idx = 0;
// Copy retained texts first
for (const auto& [renderId, textCmd] : m_retainedTexts) {
texts[idx] = textCmd;
// Copy string data
auto strIt = m_retainedTextStrings.find(renderId);
if (strIt != m_retainedTextStrings.end() && !strIt->second.empty()) {
const std::string& str = strIt->second;
char* textCopy = static_cast<char*>(allocator.allocate(str.size() + 1, 1));
if (textCopy) {
std::memcpy(textCopy, str.c_str(), str.size() + 1);
texts[idx].text = textCopy;
}
}
idx++;
}
// Copy ephemeral texts
for (size_t i = 0; i < m_texts.size(); ++i) {
texts[idx] = m_texts[i];
if (i < m_textStrings.size() && !m_textStrings[i].empty()) {
const std::string& str = m_textStrings[i];
char* textCopy = static_cast<char*>(allocator.allocate(str.size() + 1, 1));
if (textCopy) {
std::memcpy(textCopy, str.c_str(), str.size() + 1);
texts[idx].text = textCopy;
}
}
idx++;
}
packet.texts = texts;
packet.textCount = totalTexts;
}
} else {
packet.texts = nullptr;
packet.textCount = 0;
}
// Copy particles
if (!m_particles.empty()) {
ParticleInstance* particles = allocator.allocateArray<ParticleInstance>(m_particles.size());
if (particles) {
std::memcpy(particles, m_particles.data(), m_particles.size() * sizeof(ParticleInstance));
packet.particles = particles;
packet.particleCount = m_particles.size();
}
} else {
packet.particles = nullptr;
packet.particleCount = 0;
}
// Copy debug lines
if (!m_debugLines.empty()) {
DebugLine* lines = allocator.allocateArray<DebugLine>(m_debugLines.size());
if (lines) {
std::memcpy(lines, m_debugLines.data(), m_debugLines.size() * sizeof(DebugLine));
packet.debugLines = lines;
packet.debugLineCount = m_debugLines.size();
}
} else {
packet.debugLines = nullptr;
packet.debugLineCount = 0;
}
// Copy debug rects
if (!m_debugRects.empty()) {
DebugRect* rects = allocator.allocateArray<DebugRect>(m_debugRects.size());
if (rects) {
std::memcpy(rects, m_debugRects.data(), m_debugRects.size() * sizeof(DebugRect));
packet.debugRects = rects;
packet.debugRectCount = m_debugRects.size();
}
} else {
packet.debugRects = nullptr;
packet.debugRectCount = 0;
}
return packet;
}
void SceneCollector::clear() {
m_sprites.clear();
m_tilemaps.clear();
m_tilemapTiles.clear();
m_texts.clear();
m_textStrings.clear();
m_particles.clear();
m_debugLines.clear();
m_debugRects.clear();
}
// ============================================================================
// Message Parsing
// ============================================================================
void SceneCollector::parseSprite(const IDataNode& data) {
SpriteInstance sprite;
// i_data0
sprite.x = static_cast<float>(data.getDouble("x", 0.0));
sprite.y = static_cast<float>(data.getDouble("y", 0.0));
sprite.scaleX = static_cast<float>(data.getDouble("scaleX", 1.0));
sprite.scaleY = static_cast<float>(data.getDouble("scaleY", 1.0));
// i_data1
sprite.rotation = static_cast<float>(data.getDouble("rotation", 0.0));
sprite.u0 = static_cast<float>(data.getDouble("u0", 0.0));
sprite.v0 = static_cast<float>(data.getDouble("v0", 0.0));
sprite.u1 = static_cast<float>(data.getDouble("u1", 1.0));
// i_data2
sprite.v1 = static_cast<float>(data.getDouble("v1", 1.0));
sprite.textureId = static_cast<float>(data.getInt("textureId", 0));
sprite.layer = static_cast<float>(data.getInt("layer", 0));
sprite.padding0 = 0.0f;
// i_data3 (reserved)
sprite.reserved[0] = 0.0f;
sprite.reserved[1] = 0.0f;
sprite.reserved[2] = 0.0f;
sprite.reserved[3] = 0.0f;
// i_data4 (color as floats)
uint32_t color = static_cast<uint32_t>(data.getInt("color", 0xFFFFFFFF));
sprite.r = static_cast<float>((color >> 24) & 0xFF) / 255.0f;
sprite.g = static_cast<float>((color >> 16) & 0xFF) / 255.0f;
sprite.b = static_cast<float>((color >> 8) & 0xFF) / 255.0f;
sprite.a = static_cast<float>(color & 0xFF) / 255.0f;
m_sprites.push_back(sprite);
}
void SceneCollector::parseSpriteBatch(const IDataNode& data) {
// Get sprites child node and iterate
// Note: const_cast needed because IDataNode::getChildReadOnly() is not const
// (it should be, but changing the interface requires broader refactoring)
IDataNode* spritesNode = const_cast<IDataNode&>(data).getChildReadOnly("sprites");
if (!spritesNode) return;
for (const auto& name : spritesNode->getChildNames()) {
IDataNode* spriteData = spritesNode->getChildReadOnly(name);
if (spriteData) {
parseSprite(*spriteData);
}
}
}
void SceneCollector::parseTilemap(const IDataNode& data) {
TilemapChunk chunk;
chunk.x = static_cast<float>(data.getDouble("x", 0.0));
chunk.y = static_cast<float>(data.getDouble("y", 0.0));
chunk.width = static_cast<uint16_t>(data.getInt("width", 0));
chunk.height = static_cast<uint16_t>(data.getInt("height", 0));
chunk.tileWidth = static_cast<uint16_t>(data.getInt("tileW", 16));
chunk.tileHeight = static_cast<uint16_t>(data.getInt("tileH", 16));
chunk.textureId = static_cast<uint16_t>(data.getInt("textureId", 0));
// Parse tile array from "tiles" child node
std::vector<uint16_t> tiles;
IDataNode* tilesNode = const_cast<IDataNode&>(data).getChildReadOnly("tiles");
if (tilesNode) {
// Each child is a tile index
for (const auto& name : tilesNode->getChildNames()) {
IDataNode* tileNode = tilesNode->getChildReadOnly(name);
if (tileNode) {
// Try to get as int (direct value)
tiles.push_back(static_cast<uint16_t>(tileNode->getInt("v", 0)));
}
}
}
// Alternative: parse from comma-separated string "tileData"
if (tiles.empty()) {
std::string tileData = data.getString("tileData", "");
if (!tileData.empty()) {
size_t pos = 0;
while (pos < tileData.size()) {
size_t end = tileData.find(',', pos);
if (end == std::string::npos) end = tileData.size();
std::string numStr = tileData.substr(pos, end - pos);
if (!numStr.empty()) {
tiles.push_back(static_cast<uint16_t>(std::stoi(numStr)));
}
pos = end + 1;
}
}
}
// Store tiles - pointer will be fixed in finalize
m_tilemapTiles.push_back(std::move(tiles));
chunk.tiles = nullptr;
chunk.tileCount = 0;
m_tilemaps.push_back(chunk);
}
void SceneCollector::parseText(const IDataNode& data) {
TextCommand text;
text.x = static_cast<float>(data.getDouble("x", 0.0));
text.y = static_cast<float>(data.getDouble("y", 0.0));
text.fontId = static_cast<uint16_t>(data.getInt("fontId", 0));
text.fontSize = static_cast<uint16_t>(data.getInt("fontSize", 16));
text.color = static_cast<uint32_t>(data.getInt("color", 0xFFFFFFFF));
text.layer = static_cast<uint16_t>(data.getInt("layer", 0));
// Store text string - pointer will be fixed up in finalize()
std::string textStr = data.getString("text", "");
m_textStrings.push_back(std::move(textStr));
text.text = nullptr; // Will be set in finalize()
m_texts.push_back(text);
}
void SceneCollector::parseParticle(const IDataNode& data) {
ParticleInstance particle;
particle.x = static_cast<float>(data.getDouble("x", 0.0));
particle.y = static_cast<float>(data.getDouble("y", 0.0));
particle.vx = static_cast<float>(data.getDouble("vx", 0.0));
particle.vy = static_cast<float>(data.getDouble("vy", 0.0));
particle.size = static_cast<float>(data.getDouble("size", 1.0));
particle.life = static_cast<float>(data.getDouble("life", 1.0));
particle.color = static_cast<uint32_t>(data.getInt("color", 0xFFFFFFFF));
particle.textureId = static_cast<uint16_t>(data.getInt("textureId", 0));
m_particles.push_back(particle);
}
void SceneCollector::parseCamera(const IDataNode& data) {
m_mainView.positionX = static_cast<float>(data.getDouble("x", 0.0));
m_mainView.positionY = static_cast<float>(data.getDouble("y", 0.0));
m_mainView.zoom = static_cast<float>(data.getDouble("zoom", 1.0));
m_mainView.viewportX = static_cast<uint16_t>(data.getInt("viewportX", 0));
m_mainView.viewportY = static_cast<uint16_t>(data.getInt("viewportY", 0));
m_mainView.viewportW = static_cast<uint16_t>(data.getInt("viewportW", 1280));
m_mainView.viewportH = static_cast<uint16_t>(data.getInt("viewportH", 720));
// Compute view matrix (translation by -camera position)
std::memset(m_mainView.viewMatrix, 0, sizeof(m_mainView.viewMatrix));
m_mainView.viewMatrix[0] = 1.0f;
m_mainView.viewMatrix[5] = 1.0f;
m_mainView.viewMatrix[10] = 1.0f;
m_mainView.viewMatrix[12] = -m_mainView.positionX;
m_mainView.viewMatrix[13] = -m_mainView.positionY;
m_mainView.viewMatrix[15] = 1.0f;
// Compute orthographic projection matrix with zoom
float width = static_cast<float>(m_mainView.viewportW) / m_mainView.zoom;
float height = static_cast<float>(m_mainView.viewportH) / m_mainView.zoom;
std::memset(m_mainView.projMatrix, 0, sizeof(m_mainView.projMatrix));
m_mainView.projMatrix[0] = 2.0f / width;
m_mainView.projMatrix[5] = -2.0f / height; // Y-flip for top-left origin
m_mainView.projMatrix[10] = 1.0f;
m_mainView.projMatrix[12] = -1.0f;
m_mainView.projMatrix[13] = 1.0f;
m_mainView.projMatrix[15] = 1.0f;
}
void SceneCollector::parseClear(const IDataNode& data) {
m_clearColor = static_cast<uint32_t>(data.getInt("color", 0x303030FF));
}
void SceneCollector::parseDebugLine(const IDataNode& data) {
DebugLine line;
line.x1 = static_cast<float>(data.getDouble("x1", 0.0));
line.y1 = static_cast<float>(data.getDouble("y1", 0.0));
line.x2 = static_cast<float>(data.getDouble("x2", 0.0));
line.y2 = static_cast<float>(data.getDouble("y2", 0.0));
line.color = static_cast<uint32_t>(data.getInt("color", 0xFF0000FF));
m_debugLines.push_back(line);
}
void SceneCollector::parseDebugRect(const IDataNode& data) {
DebugRect rect;
rect.x = static_cast<float>(data.getDouble("x", 0.0));
rect.y = static_cast<float>(data.getDouble("y", 0.0));
// Accept both "w"/"h" and "width"/"height" for convenience
double w = data.getDouble("w", 0.0);
if (w == 0.0) w = data.getDouble("width", 0.0);
double h = data.getDouble("h", 0.0);
if (h == 0.0) h = data.getDouble("height", 0.0);
rect.w = static_cast<float>(w);
rect.h = static_cast<float>(h);
rect.color = static_cast<uint32_t>(data.getInt("color", 0x00FF00FF));
rect.filled = data.getBool("filled", false);
m_debugRects.push_back(rect);
}
void SceneCollector::initDefaultView(uint16_t width, uint16_t height) {
m_mainView.positionX = 0.0f;
m_mainView.positionY = 0.0f;
m_mainView.zoom = 1.0f;
m_mainView.viewportX = 0;
m_mainView.viewportY = 0;
m_mainView.viewportW = width;
m_mainView.viewportH = height;
// Identity view matrix
for (int i = 0; i < 16; ++i) {
m_mainView.viewMatrix[i] = (i % 5 == 0) ? 1.0f : 0.0f;
}
// Orthographic projection matrix (2D)
// Maps (0,0)-(width,height) to (-1,-1)-(1,1)
std::memset(m_mainView.projMatrix, 0, sizeof(m_mainView.projMatrix));
m_mainView.projMatrix[0] = 2.0f / width;
m_mainView.projMatrix[5] = -2.0f / height; // Y-flip for top-left origin
m_mainView.projMatrix[10] = 1.0f;
m_mainView.projMatrix[12] = -1.0f;
m_mainView.projMatrix[13] = 1.0f;
m_mainView.projMatrix[15] = 1.0f;
}
// ============================================================================
// Retained Mode Parsing (sprites persist across frames)
// ============================================================================
void SceneCollector::parseSpriteAdd(const IDataNode& data) {
uint32_t renderId = static_cast<uint32_t>(data.getInt("renderId", 0));
if (renderId == 0) return;
SpriteInstance sprite;
sprite.x = static_cast<float>(data.getDouble("x", 0.0));
sprite.y = static_cast<float>(data.getDouble("y", 0.0));
sprite.scaleX = static_cast<float>(data.getDouble("scaleX", 1.0));
sprite.scaleY = static_cast<float>(data.getDouble("scaleY", 1.0));
sprite.rotation = static_cast<float>(data.getDouble("rotation", 0.0));
sprite.u0 = static_cast<float>(data.getDouble("u0", 0.0));
sprite.v0 = static_cast<float>(data.getDouble("v0", 0.0));
sprite.u1 = static_cast<float>(data.getDouble("u1", 1.0));
sprite.v1 = static_cast<float>(data.getDouble("v1", 1.0));
sprite.textureId = static_cast<float>(data.getInt("textureId", 0));
sprite.layer = static_cast<float>(data.getInt("layer", 0));
sprite.padding0 = 0.0f;
sprite.reserved[0] = 0.0f;
sprite.reserved[1] = 0.0f;
sprite.reserved[2] = 0.0f;
sprite.reserved[3] = 0.0f;
uint32_t color = static_cast<uint32_t>(data.getInt("color", 0xFFFFFFFF));
sprite.r = static_cast<float>((color >> 24) & 0xFF) / 255.0f;
sprite.g = static_cast<float>((color >> 16) & 0xFF) / 255.0f;
sprite.b = static_cast<float>((color >> 8) & 0xFF) / 255.0f;
sprite.a = static_cast<float>(color & 0xFF) / 255.0f;
m_retainedSprites[renderId] = sprite;
spdlog::info("📥 [SceneCollector] Stored SPRITE renderId={}, pos=({:.1f},{:.1f}), scale={}x{}, textureId={}, layer={}, color=({:.2f},{:.2f},{:.2f},{:.2f})",
renderId, sprite.x, sprite.y, sprite.scaleX, sprite.scaleY, (int)sprite.textureId, (int)sprite.layer,
sprite.r, sprite.g, sprite.b, sprite.a);
}
void SceneCollector::parseSpriteUpdate(const IDataNode& data) {
uint32_t renderId = static_cast<uint32_t>(data.getInt("renderId", 0));
if (renderId == 0) return;
auto it = m_retainedSprites.find(renderId);
if (it == m_retainedSprites.end()) {
// Not found - treat as add
parseSpriteAdd(data);
return;
}
// Update existing sprite
SpriteInstance& sprite = it->second;
sprite.x = static_cast<float>(data.getDouble("x", sprite.x));
sprite.y = static_cast<float>(data.getDouble("y", sprite.y));
sprite.scaleX = static_cast<float>(data.getDouble("scaleX", sprite.scaleX));
sprite.scaleY = static_cast<float>(data.getDouble("scaleY", sprite.scaleY));
sprite.rotation = static_cast<float>(data.getDouble("rotation", sprite.rotation));
sprite.textureId = static_cast<float>(data.getInt("textureId", static_cast<int>(sprite.textureId)));
sprite.layer = static_cast<float>(data.getInt("layer", static_cast<int>(sprite.layer)));
uint32_t color = static_cast<uint32_t>(data.getInt("color", 0xFFFFFFFF));
sprite.r = static_cast<float>((color >> 24) & 0xFF) / 255.0f;
sprite.g = static_cast<float>((color >> 16) & 0xFF) / 255.0f;
sprite.b = static_cast<float>((color >> 8) & 0xFF) / 255.0f;
sprite.a = static_cast<float>(color & 0xFF) / 255.0f;
}
void SceneCollector::parseSpriteRemove(const IDataNode& data) {
uint32_t renderId = static_cast<uint32_t>(data.getInt("renderId", 0));
if (renderId == 0) return;
m_retainedSprites.erase(renderId);
}
void SceneCollector::parseTextAdd(const IDataNode& data) {
uint32_t renderId = static_cast<uint32_t>(data.getInt("renderId", 0));
if (renderId == 0) return;
TextCommand text;
text.x = static_cast<float>(data.getDouble("x", 0.0));
text.y = static_cast<float>(data.getDouble("y", 0.0));
text.fontId = static_cast<uint16_t>(data.getInt("fontId", 0));
text.fontSize = static_cast<uint16_t>(data.getInt("fontSize", 16));
text.color = static_cast<uint32_t>(data.getInt("color", 0xFFFFFFFF));
text.layer = static_cast<uint16_t>(data.getInt("layer", 0));
text.text = nullptr; // Will be set from m_retainedTextStrings in finalize
m_retainedTexts[renderId] = text;
m_retainedTextStrings[renderId] = data.getString("text", "");
}
void SceneCollector::parseTextUpdate(const IDataNode& data) {
uint32_t renderId = static_cast<uint32_t>(data.getInt("renderId", 0));
if (renderId == 0) return;
auto it = m_retainedTexts.find(renderId);
if (it == m_retainedTexts.end()) {
// Not found - treat as add
parseTextAdd(data);
return;
}
// Update existing text
TextCommand& text = it->second;
text.x = static_cast<float>(data.getDouble("x", text.x));
text.y = static_cast<float>(data.getDouble("y", text.y));
text.fontSize = static_cast<uint16_t>(data.getInt("fontSize", text.fontSize));
text.color = static_cast<uint32_t>(data.getInt("color", text.color));
text.layer = static_cast<uint16_t>(data.getInt("layer", text.layer));
// Update text string if provided
std::string newText = data.getString("text", "");
if (!newText.empty()) {
m_retainedTextStrings[renderId] = newText;
}
}
void SceneCollector::parseTextRemove(const IDataNode& data) {
uint32_t renderId = static_cast<uint32_t>(data.getInt("renderId", 0));
if (renderId == 0) return;
m_retainedTexts.erase(renderId);
m_retainedTextStrings.erase(renderId);
}
} // namespace grove
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