diff options
Diffstat (limited to 'source/base/StarCellularLightArray.cpp')
| -rw-r--r-- | source/base/StarCellularLightArray.cpp | 53 |
1 files changed, 38 insertions, 15 deletions
diff --git a/source/base/StarCellularLightArray.cpp b/source/base/StarCellularLightArray.cpp index 60a6d95..99490ce 100644 --- a/source/base/StarCellularLightArray.cpp +++ b/source/base/StarCellularLightArray.cpp @@ -1,12 +1,13 @@ #include "StarCellularLightArray.hpp" +#include "StarInterpolation.hpp" // just specializing these in a cpp file so I can iterate on them without recompiling like 40 files!! namespace Star { template <> void CellularLightArray<ScalarLightTraits>::calculatePointLighting(size_t xmin, size_t ymin, size_t xmax, size_t ymax) { - float perBlockObstacleAttenuation = 1.0f / m_pointMaxObstacle; - float perBlockAirAttenuation = 1.0f / m_pointMaxAir; + float pointPerBlockObstacleAttenuation = 1.0f / m_pointMaxObstacle; + float pointPerBlockAirAttenuation = 1.0f / m_pointMaxAir; for (PointLight light : m_pointLights) { if (light.position[0] < 0 || light.position[0] > m_width - 1 || light.position[1] < 0 || light.position[1] > m_height - 1) @@ -14,8 +15,10 @@ void CellularLightArray<ScalarLightTraits>::calculatePointLighting(size_t xmin, float maxIntensity = ScalarLightTraits::maxIntensity(light.value); Vec2F beamDirection = Vec2F(1, 0).rotate(light.beamAngle); + float perBlockObstacleAttenuation = light.asSpread ? 1.0f / m_spreadMaxObstacle : pointPerBlockObstacleAttenuation; + float perBlockAirAttenuation = light.asSpread ? 1.0f / m_spreadMaxAir : pointPerBlockAirAttenuation; - float maxRange = maxIntensity * m_pointMaxAir; + float maxRange = maxIntensity * (light.asSpread ? m_spreadMaxAir : m_pointMaxAir); // The min / max considering the radius of the light size_t lxmin = std::floor(std::max<float>(xmin, light.position[0] - maxRange)); size_t lymin = std::floor(std::max<float>(ymin, light.position[1] - maxRange)); @@ -40,7 +43,7 @@ void CellularLightArray<ScalarLightTraits>::calculatePointLighting(size_t xmin, continue; Vec2F direction = relativeLightPosition / distance; - if (light.beam > 0.0f) { + if (light.beam > 0.0001f) { attenuation += (1.0f - light.beamAmbience) * clamp(light.beam * (1.0f - direction * beamDirection), 0.0f, 1.0f); if (attenuation >= 1.0f) continue; @@ -54,12 +57,21 @@ void CellularLightArray<ScalarLightTraits>::calculatePointLighting(size_t xmin, float circularizedPerBlockObstacleAttenuation = perBlockObstacleAttenuation / max(fabs(direction[0]), fabs(direction[1])); float blockAttenuation = lineAttenuation(blockPos, light.position, circularizedPerBlockObstacleAttenuation, remainingAttenuation); + attenuation += blockAttenuation; // Apply single obstacle boost (determine single obstacle by one // block unit of attenuation). - attenuation += blockAttenuation + min(blockAttenuation, circularizedPerBlockObstacleAttenuation) * m_pointObstacleBoost; - - if (attenuation < 1.0f) - setLight(x, y, lvalue + ScalarLightTraits::subtract(light.value, attenuation)); + if (!light.asSpread) + attenuation += min(blockAttenuation, circularizedPerBlockObstacleAttenuation) * m_pointObstacleBoost; + + if (attenuation < 1.0f) { + auto newLight = ScalarLightTraits::subtract(light.value, attenuation); + if (ScalarLightTraits::maxIntensity(newLight) > 0.0001f) { + if (light.asSpread) + setLight(x, y, lvalue + newLight * 0.25f); + else + setLight(x, y, lvalue + newLight); + } + } } } } @@ -67,8 +79,8 @@ void CellularLightArray<ScalarLightTraits>::calculatePointLighting(size_t xmin, template <> void CellularLightArray<ColoredLightTraits>::calculatePointLighting(size_t xmin, size_t ymin, size_t xmax, size_t ymax) { - float perBlockObstacleAttenuation = 1.0f / m_pointMaxObstacle; - float perBlockAirAttenuation = 1.0f / m_pointMaxAir; + float pointPerBlockObstacleAttenuation = 1.0f / m_pointMaxObstacle; + float pointPerBlockAirAttenuation = 1.0f / m_pointMaxAir; for (PointLight light : m_pointLights) { if (light.position[0] < 0 || light.position[0] > m_width - 1 || light.position[1] < 0 || light.position[1] > m_height - 1) @@ -76,8 +88,10 @@ void CellularLightArray<ColoredLightTraits>::calculatePointLighting(size_t xmin, float maxIntensity = ColoredLightTraits::maxIntensity(light.value); Vec2F beamDirection = Vec2F(1, 0).rotate(light.beamAngle); + float perBlockObstacleAttenuation = light.asSpread ? 1.0f / m_spreadMaxObstacle : pointPerBlockObstacleAttenuation; + float perBlockAirAttenuation = light.asSpread ? 1.0f / m_spreadMaxAir : pointPerBlockAirAttenuation; - float maxRange = maxIntensity * m_pointMaxAir; + float maxRange = maxIntensity * (light.asSpread ? m_spreadMaxAir : m_pointMaxAir); // The min / max considering the radius of the light size_t lxmin = std::floor(std::max<float>(xmin, light.position[0] - maxRange)); size_t lymin = std::floor(std::max<float>(ymin, light.position[1] - maxRange)); @@ -116,12 +130,21 @@ void CellularLightArray<ColoredLightTraits>::calculatePointLighting(size_t xmin, float circularizedPerBlockObstacleAttenuation = perBlockObstacleAttenuation / max(fabs(direction[0]), fabs(direction[1])); float blockAttenuation = lineAttenuation(blockPos, light.position, circularizedPerBlockObstacleAttenuation, remainingAttenuation); + attenuation += blockAttenuation; // Apply single obstacle boost (determine single obstacle by one // block unit of attenuation). - attenuation += blockAttenuation + min(blockAttenuation, circularizedPerBlockObstacleAttenuation) * m_pointObstacleBoost; - - if (attenuation < 1.0f) - setLight(x, y, lvalue + ColoredLightTraits::subtract(light.value, attenuation)); + if (!light.asSpread) + attenuation += min(blockAttenuation, circularizedPerBlockObstacleAttenuation) * m_pointObstacleBoost; + + if (attenuation < 1.0f) { + auto newLight = ColoredLightTraits::subtract(light.value, attenuation); + if (ColoredLightTraits::maxIntensity(newLight) > 0.0001f) { + if (light.asSpread) + setLight(x, y, lvalue + newLight * 0.25f); + else + setLight(x, y, lvalue + newLight); + } + } } } } |