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Implement terrain shadow casting in shadow depth pass

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Add initializeShadow() to TerrainRenderer that creates a depth-only
shadow pipeline reusing the existing shadow.vert/frag shaders (same
path as WMO/M2/character renderers). renderShadow() draws all terrain
chunks with sphere culling against the shadow coverage radius. Wire
both init and draw calls into Renderer so terrain now casts shadows
alongside buildings and NPCs.
This commit is contained in:
Kelsi 2026-03-09 18:34:26 -07:00
parent 2afd455d52
commit 6a681bcf67
3 changed files with 234 additions and 6 deletions
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8
src/rendering/renderer.cpp
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@ -4998,6 +4998,11 @@ bool Renderer::initializeRenderers(pipeline::AssetManager* assetManager, const s
terrainRenderer.reset();
return false;
}
if (shadowRenderPass != VK_NULL_HANDLE) {
terrainRenderer->initializeShadow(shadowRenderPass);
}
} else if (!terrainRenderer->hasShadowPipeline() && shadowRenderPass != VK_NULL_HANDLE) {
terrainRenderer->initializeShadow(shadowRenderPass);
}
// Create water renderer if not already created
@ -5724,6 +5729,9 @@ void Renderer::renderShadowPass() {
// Phase 7/8: render shadow casters
const float shadowCullRadius = shadowDistance_ * 1.35f;
if (terrainRenderer) {
terrainRenderer->renderShadow(currentCmd, lightSpaceMatrix, shadowCenter, shadowCullRadius);
}
if (wmoRenderer) {
wmoRenderer->renderShadow(currentCmd, lightSpaceMatrix, shadowCenter, shadowCullRadius);
}