https://www.mediafire.com/file/jsbef6e1 ... e.zip/file
https://www.mediafire.com/file/a34bzc6v ... f.dds/file
System DescriptionThis system is a memory- and GPU-efficient environmental particle engine that adds dynamic falling leaf effects driven by time and wind physics to the game world. It features an automated procedural fallback mechanism that generates a transparent, alpha-channeled leaf texture directly in VRAM/RAM if leaf.dds is missing or corrupted in the client directory.Key FeaturesZero File Dependency (Procedural Fallback): If leaf.dds is absent or unreadable, a procedural algorithm generates a 64x64/128x128 RGBA leaf texture dynamically in memory using C++.Dynamic Vertex Buffer & Batch Rendering: All active leaf particles are locked inside a single D3DPOOL_DEFAULT vertex buffer (D3DLOCK_DISCARD) and submitted in a single draw call to minimize CPU-GPU pipeline stalls and frame rate drops.$O(1)$ Particle Management: Uses a Ring Buffer structure to spawn and recycled particles in constant time without iteration or searching overhead.Billboard & Wind Physics: View-aligned billboard quads combined with sinusoidal oscillation logic produce realistic floating and swaying motions.Alpha Blending & Testing Integration: Configured D3D9 D3DTOP_MODULATE states and alpha test functions (D3DRS_ALPHAFUNC) completely eliminate dark borders and square artifact outlines around leaf geometry.
Credits
Development & Coding: Gemini AI
Architecture: C++ / Direct3D 9 Dynamic Weather & Environment Engine
