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Adjust shadowmap distortion to use entire SM texture (#12166)

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x2048 2022-04-07 22:13:50 +02:00 • committed by GitHub
parent 0b5b2b2633
commit 48f7c5603e
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12 changed files with 159 additions and 115 deletions
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36
src/client/clientmap.cpp
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@ -862,20 +862,14 @@ void ClientMap::renderMapShadows(video::IVideoDriver *driver,
/*
Custom update draw list for the pov of shadow light.
*/
void ClientMap::updateDrawListShadow(const v3f &shadow_light_pos, const v3f &shadow_light_dir, float shadow_range)
void ClientMap::updateDrawListShadow(v3f shadow_light_pos, v3f shadow_light_dir, float radius, float length)
{
ScopeProfiler sp(g_profiler, "CM::updateDrawListShadow()", SPT_AVG);
const v3f camera_position = shadow_light_pos;
const v3f camera_direction = shadow_light_dir;
// I "fake" fov just to avoid creating a new function to handle orthographic
// projection.
const f32 camera_fov = m_camera_fov * 1.9f;
v3s16 cam_pos_nodes = floatToInt(camera_position, BS);
v3s16 cam_pos_nodes = floatToInt(shadow_light_pos, BS);
v3s16 p_blocks_min;
v3s16 p_blocks_max;
getBlocksInViewRange(cam_pos_nodes, &p_blocks_min, &p_blocks_max, shadow_range);
getBlocksInViewRange(cam_pos_nodes, &p_blocks_min, &p_blocks_max, radius + length);
std::vector<v2s16> blocks_in_range;
@ -889,10 +883,10 @@ void ClientMap::updateDrawListShadow(const v3f &shadow_light_pos, const v3f &sha
// they are not inside the light frustum and it creates glitches.
// FIXME: This could be removed if we figure out why they are missing
// from the light frustum.
for (auto &i : m_drawlist) {
i.second->refGrab();
m_drawlist_shadow[i.first] = i.second;
}
// for (auto &i : m_drawlist) {
// i.second->refGrab();
// m_drawlist_shadow[i.first] = i.second;
// }
// Number of blocks currently loaded by the client
u32 blocks_loaded = 0;
@ -919,23 +913,13 @@ void ClientMap::updateDrawListShadow(const v3f &shadow_light_pos, const v3f &sha
continue;
}
float range = shadow_range;
float d = 0.0;
if (!isBlockInSight(block->getPos(), camera_position,
camera_direction, camera_fov, range, &d))
v3f block_pos = intToFloat(block->getPos() * MAP_BLOCKSIZE, BS);
v3f projection = shadow_light_pos + shadow_light_dir * shadow_light_dir.dotProduct(block_pos - shadow_light_pos);
if (projection.getDistanceFrom(block_pos) > radius)
continue;
blocks_in_range_with_mesh++;
/*
Occlusion culling
*/
if (isBlockOccluded(block, cam_pos_nodes)) {
blocks_occlusion_culled++;
continue;
}
// This block is in range. Reset usage timer.
block->resetUsageTimer();