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Fix POM distortions and add normal map strength slider

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POM fixes: use blurred height only for ray march (keep crisp Sobel for
normals), reduce pomScale 0.03→0.012, clamp grazing angle denominator
to 0.15, hard-limit max UV offset, smooth fadeout at steep view angles.

Add Normal Map Strength slider (0.0-2.0) in Video settings for user
control over surface detail intensity. Persisted across sessions.
This commit is contained in:
Kelsi 2026-02-23 01:18:42 -08:00
parent eaceb58e77
commit bec3190b08
6 changed files with 68 additions and 10 deletions
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5
include/rendering/wmo_renderer.hpp
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@ -186,9 +186,11 @@ public:
* Normal mapping / Parallax Occlusion Mapping settings
*/
void setNormalMappingEnabled(bool enabled) { normalMappingEnabled_ = enabled; materialSettingsDirty_ = true; }
void setNormalMapStrength(float s) { normalMapStrength_ = s; materialSettingsDirty_ = true; }
void setPOMEnabled(bool enabled) { pomEnabled_ = enabled; materialSettingsDirty_ = true; }
void setPOMQuality(int q) { pomQuality_ = q; materialSettingsDirty_ = true; }
bool isNormalMappingEnabled() const { return normalMappingEnabled_; }
float getNormalMapStrength() const { return normalMapStrength_; }
bool isPOMEnabled() const { return pomEnabled_; }
int getPOMQuality() const { return pomQuality_; }
@ -326,7 +328,7 @@ private:
float pomScale; // 32 (height scale)
int32_t pomMaxSamples; // 36 (max ray-march steps)
float heightMapVariance; // 40 (low variance = skip POM)
float pad; // 44
float normalMapStrength; // 44 (0=flat, 1=full, 2=exaggerated)
}; // 48 bytes total
/**
@ -643,6 +645,7 @@ private:
// Normal mapping / POM settings
bool normalMappingEnabled_ = true; // on by default
float normalMapStrength_ = 1.0f; // 0.0 = flat, 1.0 = full, 2.0 = exaggerated
bool pomEnabled_ = false; // off by default (expensive)
int pomQuality_ = 1; // 0=Low(16), 1=Medium(32), 2=High(64)
bool materialSettingsDirty_ = false; // rebuild UBOs when settings change

1
include/ui/game_screen.hpp
View file

@ -104,6 +104,7 @@ private:
int pendingGroundClutterDensity = 100;
int pendingAntiAliasing = 0; // 0=Off, 1=2x, 2=4x, 3=8x
bool pendingNormalMapping = true; // on by default
float pendingNormalMapStrength = 1.0f; // 0.0-2.0
bool pendingPOM = false; // off by default (expensive)
int pendingPOMQuality = 1; // 0=Low(16), 1=Medium(32), 2=High(64)