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| author | paramat <mat.gregory@virginmedia.com> | 2015-05-04 18:53:58 +0100 |
|---|---|---|
| committer | est31 <MTest31@outlook.com> | 2015-05-04 22:41:13 +0200 |
| commit | 9345ba7b6a6cd19e0af0f51be1154ae571332f04 (patch) | |
| tree | 5a25f7fe58e8ff659b870ecfb76d6fddd942cd6c /src/clouds.cpp | |
| parent | 5fa4fed09731fa869cfcee5c15e53d9fbdedc28b (diff) | |
| download | minetest-9345ba7b6a6cd19e0af0f51be1154ae571332f04.tar.gz minetest-9345ba7b6a6cd19e0af0f51be1154ae571332f04.tar.bz2 minetest-9345ba7b6a6cd19e0af0f51be1154ae571332f04.zip | |
Clouds: Make cloud area radius settable in .conf
Diffstat (limited to 'src/clouds.cpp')
| -rw-r--r-- | src/clouds.cpp | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/src/clouds.cpp b/src/clouds.cpp index 3409aac73..ff3f603d9 100644 --- a/src/clouds.cpp +++ b/src/clouds.cpp @@ -55,6 +55,8 @@ Clouds::Clouds( m_cloud_y = BS * (cloudheight ? cloudheight : g_settings->getS16("cloud_height")); + m_cloud_radius_i = g_settings->getU16("cloud_radius"); + m_box = core::aabbox3d<f32>(-BS*1000000,m_cloud_y-BS,-BS*1000000, BS*1000000,m_cloud_y+BS,BS*1000000); @@ -96,14 +98,13 @@ void Clouds::render() driver->setMaterial(m_material); /* - Clouds move from X+ towards X- + Clouds move from Z+ towards Z- */ - const s16 cloud_radius_i = 12; const float cloud_size = BS * 64; const v2f cloud_speed(0, -BS * 2); - const float cloud_full_radius = cloud_size * cloud_radius_i; + const float cloud_full_radius = cloud_size * m_cloud_radius_i; // Position of cloud noise origin in world coordinates v2f world_cloud_origin_pos_f = m_time * cloud_speed; @@ -165,14 +166,14 @@ void Clouds::render() // Read noise - bool *grid = new bool[cloud_radius_i * 2 * cloud_radius_i * 2]; + bool *grid = new bool[m_cloud_radius_i * 2 * m_cloud_radius_i * 2]; float cloud_size_noise = cloud_size / BS / 200; - for(s16 zi = -cloud_radius_i; zi < cloud_radius_i; zi++) { - u32 si = (zi + cloud_radius_i) * cloud_radius_i * 2 + cloud_radius_i; + for(s16 zi = -m_cloud_radius_i; zi < m_cloud_radius_i; zi++) { + u32 si = (zi + m_cloud_radius_i) * m_cloud_radius_i * 2 + m_cloud_radius_i; - for(s16 xi = -cloud_radius_i; xi < cloud_radius_i; xi++) { + for (s16 xi = -m_cloud_radius_i; xi < m_cloud_radius_i; xi++) { u32 i = si + xi; v2s16 p_in_noise_i( @@ -192,23 +193,23 @@ void Clouds::render() #define INAREA(x, z, radius) \ ((x) >= -(radius) && (x) < (radius) && (z) >= -(radius) && (z) < (radius)) - for(s16 zi0=-cloud_radius_i; zi0<cloud_radius_i; zi0++) - for(s16 xi0=-cloud_radius_i; xi0<cloud_radius_i; xi0++) + for (s16 zi0= -m_cloud_radius_i; zi0 < m_cloud_radius_i; zi0++) + for (s16 xi0= -m_cloud_radius_i; xi0 < m_cloud_radius_i; xi0++) { s16 zi = zi0; s16 xi = xi0; // Draw from front to back (needed for transparency) /*if(zi <= 0) - zi = -cloud_radius_i - zi; + zi = -m_cloud_radius_i - zi; if(xi <= 0) - xi = -cloud_radius_i - xi;*/ + xi = -m_cloud_radius_i - xi;*/ // Draw from back to front if(zi >= 0) - zi = cloud_radius_i - zi - 1; + zi = m_cloud_radius_i - zi - 1; if(xi >= 0) - xi = cloud_radius_i - xi - 1; + xi = m_cloud_radius_i - xi - 1; - u32 i = GETINDEX(xi, zi, cloud_radius_i); + u32 i = GETINDEX(xi, zi, m_cloud_radius_i); if(grid[i] == false) continue; @@ -247,8 +248,8 @@ void Clouds::render() v[3].Pos.set( rx, ry,-rz); break; case 1: // back - if(INAREA(xi, zi-1, cloud_radius_i)){ - u32 j = GETINDEX(xi, zi-1, cloud_radius_i); + if (INAREA(xi, zi - 1, m_cloud_radius_i)) { + u32 j = GETINDEX(xi, zi - 1, m_cloud_radius_i); if(grid[j]) continue; } @@ -262,8 +263,8 @@ void Clouds::render() v[3].Pos.set(-rx,-ry,-rz); break; case 2: //right - if(INAREA(xi+1, zi, cloud_radius_i)){ - u32 j = GETINDEX(xi+1, zi, cloud_radius_i); + if (INAREA(xi + 1, zi, m_cloud_radius_i)) { + u32 j = GETINDEX(xi+1, zi, m_cloud_radius_i); if(grid[j]) continue; } @@ -277,8 +278,8 @@ void Clouds::render() v[3].Pos.set( rx,-ry,-rz); break; case 3: // front - if(INAREA(xi, zi+1, cloud_radius_i)){ - u32 j = GETINDEX(xi, zi+1, cloud_radius_i); + if (INAREA(xi, zi + 1, m_cloud_radius_i)) { + u32 j = GETINDEX(xi, zi + 1, m_cloud_radius_i); if(grid[j]) continue; } @@ -292,8 +293,8 @@ void Clouds::render() v[3].Pos.set( rx,-ry, rz); break; case 4: // left - if(INAREA(xi-1, zi, cloud_radius_i)){ - u32 j = GETINDEX(xi-1, zi, cloud_radius_i); + if (INAREA(xi-1, zi, m_cloud_radius_i)) { + u32 j = GETINDEX(xi-1, zi, m_cloud_radius_i); if(grid[j]) continue; } |