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https://github.com/luanti-org/luanti.git
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farmesh is now usable.
This commit is contained in:
Perttu Ahola
parent
0bd1b782d0
commit
7773e68c2a
7 changed files with 259 additions and 76 deletions
230
src/farmesh.cpp
230
src/farmesh.cpp
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@ -27,26 +27,52 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "debug.h"
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#include "noise.h"
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#include "map.h"
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#include "client.h"
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/*
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Temporarily exposed map generator stuff
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Should only be used for testing
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*/
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extern double base_rock_level_2d(u64 seed, v2s16 p);
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extern double get_mud_add_amount(u64 seed, v2s16 p);
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extern bool get_have_sand(u64 seed, v2s16 p2d);
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extern double tree_amount_2d(u64 seed, v2s16 p);
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FarMesh::FarMesh(
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scene::ISceneNode* parent,
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scene::ISceneManager* mgr,
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s32 id,
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u64 seed
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u64 seed,
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Client *client
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):
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scene::ISceneNode(parent, mgr, id),
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m_seed(seed),
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m_camera_pos(0,0),
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m_time(0)
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m_time(0),
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m_client(client)
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{
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dstream<<__FUNCTION_NAME<<std::endl;
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video::IVideoDriver* driver = mgr->getVideoDriver();
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m_material.setFlag(video::EMF_LIGHTING, false);
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m_material.setFlag(video::EMF_BACK_FACE_CULLING, true);
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m_material.setFlag(video::EMF_BILINEAR_FILTER, false);
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m_material.setFlag(video::EMF_FOG_ENABLE, false);
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//m_material.setFlag(video::EMF_ANTI_ALIASING, true);
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//m_material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
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m_materials[0].setFlag(video::EMF_LIGHTING, false);
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m_materials[0].setFlag(video::EMF_BACK_FACE_CULLING, true);
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//m_materials[0].setFlag(video::EMF_BACK_FACE_CULLING, false);
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m_materials[0].setFlag(video::EMF_BILINEAR_FILTER, false);
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m_materials[0].setFlag(video::EMF_FOG_ENABLE, false);
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//m_materials[0].setFlag(video::EMF_ANTI_ALIASING, true);
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//m_materials[0].MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
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m_materials[0].setFlag(video::EMF_FOG_ENABLE, true);
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m_materials[1].setFlag(video::EMF_LIGHTING, false);
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m_materials[1].setFlag(video::EMF_BACK_FACE_CULLING, false);
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m_materials[1].setFlag(video::EMF_BILINEAR_FILTER, false);
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m_materials[1].setFlag(video::EMF_FOG_ENABLE, false);
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m_materials[1].setTexture
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(0, driver->getTexture(getTexturePath("treeprop.png").c_str()));
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m_materials[1].MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
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m_materials[1].setFlag(video::EMF_FOG_ENABLE, true);
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m_box = core::aabbox3d<f32>(-BS*1000000,-BS*31000,-BS*1000000,
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BS*1000000,BS*31000,BS*1000000);
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@ -58,13 +84,24 @@ FarMesh::~FarMesh()
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dstream<<__FUNCTION_NAME<<std::endl;
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}
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u32 FarMesh::getMaterialCount() const
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{
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return FARMESH_MATERIAL_COUNT;
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}
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video::SMaterial& FarMesh::getMaterial(u32 i)
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{
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return m_materials[i];
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}
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void FarMesh::OnRegisterSceneNode()
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{
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if(IsVisible)
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{
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//SceneManager->registerNodeForRendering(this, scene::ESNRP_TRANSPARENT);
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//SceneManager->registerNodeForRendering(this, scene::ESNRP_SOLID);
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SceneManager->registerNodeForRendering(this, scene::ESNRP_SKY_BOX);
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SceneManager->registerNodeForRendering(this, scene::ESNRP_SOLID);
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//SceneManager->registerNodeForRendering(this, scene::ESNRP_SKY_BOX);
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}
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ISceneNode::OnRegisterSceneNode();
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@ -73,18 +110,34 @@ void FarMesh::OnRegisterSceneNode()
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#define MYROUND(x) (x > 0.0 ? (int)x : (int)x - 1)
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// Temporary hack
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core::map<v2s16, float> g_heights;
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float ground_height(u64 seed, v2s16 p2d)
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struct HeightPoint
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{
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core::map<v2s16, float>::Node *n = g_heights.find(p2d);
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float gh; // ground height
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float ma; // mud amount
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float have_sand;
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float tree_amount;
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};
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core::map<v2s16, HeightPoint> g_heights;
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HeightPoint ground_height(u64 seed, v2s16 p2d)
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{
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core::map<v2s16, HeightPoint>::Node *n = g_heights.find(p2d);
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if(n)
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return n->getValue();
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float avg_mud_amount = 4;
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float gh = BS*base_rock_level_2d(seed, p2d) + avg_mud_amount*BS;
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//gh *= 10;
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g_heights[p2d] = gh;
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return gh;
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HeightPoint hp;
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hp.gh = BS*base_rock_level_2d(seed, p2d);
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hp.gh -= BS*2; // Lower a bit so that it is not that much in the way
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hp.ma = BS*get_mud_add_amount(seed, p2d);
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hp.have_sand = get_have_sand(seed, p2d);
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if(hp.gh > BS*WATER_LEVEL)
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hp.tree_amount = tree_amount_2d(seed, p2d);
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else
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hp.tree_amount = 0;
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// No mud has been added if mud amount is less than 2
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if(hp.ma < 2.0*BS)
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hp.ma = 0.0;
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g_heights[p2d] = hp;
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return hp;
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}
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void FarMesh::render()
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@ -93,16 +146,17 @@ void FarMesh::render()
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/*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_TRANSPARENT)
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return;*/
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/*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SOLID)
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return;*/
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if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SKY_BOX)
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if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SOLID)
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return;
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/*if(SceneManager->getSceneNodeRenderPass() != scene::ESNRP_SKY_BOX)
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return;*/
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driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
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driver->setMaterial(m_material);
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const s16 grid_radius_i = 12;
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const float grid_size = BS*50;
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//const s16 grid_radius_i = 12;
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//const float grid_size = BS*50;
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const s16 grid_radius_i = 20;
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const float grid_size = BS*MAP_BLOCKSIZE;
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const v2f grid_speed(-BS*0, 0);
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// Position of grid noise origin in world coordinates
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@ -125,10 +179,19 @@ void FarMesh::render()
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for(s16 zi=-grid_radius_i; zi<grid_radius_i; zi++)
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for(s16 xi=-grid_radius_i; xi<grid_radius_i; xi++)
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{
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/*// Don't draw very close to player
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s16 dd = 3;
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if(zi > -dd && zi < dd && xi > -dd && xi < dd)
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continue;*/
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v2s16 p_in_noise_i(
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xi+center_of_drawing_in_noise_i.X,
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zi+center_of_drawing_in_noise_i.Y
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);
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// If sector was drawn, don't draw it this way
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if(m_client->m_env.getClientMap().sectorWasDrawn(p_in_noise_i))
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continue;
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/*if((p_in_noise_i.X + p_in_noise_i.Y)%2==0)
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continue;*/
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@ -159,32 +222,50 @@ void FarMesh::render()
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(float)(p_in_noise_i.Y+0)*grid_size/BS/100,
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m_seed, 3, 0.5);*/
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float noise[4];
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noise[0] = ground_height(m_seed, v2s16(
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HeightPoint hps[5];
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hps[0] = ground_height(m_seed, v2s16(
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(p_in_noise_i.X+0)*grid_size/BS,
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(p_in_noise_i.Y+0)*grid_size/BS));
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noise[1] = ground_height(m_seed, v2s16(
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hps[1] = ground_height(m_seed, v2s16(
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(p_in_noise_i.X+0)*grid_size/BS,
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(p_in_noise_i.Y+1)*grid_size/BS));
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noise[2] = ground_height(m_seed, v2s16(
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hps[2] = ground_height(m_seed, v2s16(
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(p_in_noise_i.X+1)*grid_size/BS,
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(p_in_noise_i.Y+1)*grid_size/BS));
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noise[3] = ground_height(m_seed, v2s16(
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hps[3] = ground_height(m_seed, v2s16(
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(p_in_noise_i.X+1)*grid_size/BS,
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(p_in_noise_i.Y+0)*grid_size/BS));
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v2s16 centerpoint(
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(p_in_noise_i.X+0)*grid_size/BS+MAP_BLOCKSIZE/2,
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(p_in_noise_i.Y+0)*grid_size/BS+MAP_BLOCKSIZE/2);
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hps[4] = ground_height(m_seed, centerpoint);
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float noise[5];
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float h_min = BS*65535;
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float h_max = -BS*65536;
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for(u32 i=0; i<4; i++)
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float ma_avg = 0;
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float h_avg = 0;
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u32 have_sand_count = 0;
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float tree_amount_avg = 0;
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for(u32 i=0; i<5; i++)
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{
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noise[i] = hps[i].gh + hps[i].ma;
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if(noise[i] < h_min)
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h_min = noise[i];
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if(noise[i] > h_max)
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h_max = noise[i];
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ma_avg += hps[i].ma;
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h_avg += noise[i];
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if(hps[i].have_sand)
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have_sand_count++;
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tree_amount_avg += hps[i].tree_amount;
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}
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ma_avg /= 5.0;
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h_avg /= 5.0;
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tree_amount_avg /= 5.0;
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float steepness = (h_max - h_min)/grid_size;
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float h_avg = (noise[0]+noise[1]+noise[2]+noise[3])/4.0;
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float light_f = noise[0]+noise[1]-noise[2]-noise[3];
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light_f /= 100;
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if(light_f < -1.0) light_f = -1.0;
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@ -198,7 +279,9 @@ void FarMesh::render()
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// Detect water
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if(h_avg < WATER_LEVEL*BS && h_max < (WATER_LEVEL+5)*BS)
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{
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c = video::SColor(128,59,86,146);
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//c = video::SColor(255,59,86,146);
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c = video::SColor(255,82,120,204);
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/*// Set to water level
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for(u32 i=0; i<4; i++)
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{
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@ -207,10 +290,33 @@ void FarMesh::render()
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}*/
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light_f = 0;
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}
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// Steep cliffs
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else if(steepness > 2.0)
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c = video::SColor(128,128,128,128);
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{
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c = video::SColor(255,128,128,128);
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}
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// Basic ground
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else
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c = video::SColor(128,107,134,51);
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{
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if(ma_avg < 2.0*BS)
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{
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c = video::SColor(255,128,128,128);
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}
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else
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{
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if(h_avg <= 2.5*BS && have_sand_count >= 2)
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c = video::SColor(255,210,194,156);
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else
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{
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/*// Trees if there are over 0.01 trees per MapNode
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if(tree_amount_avg > 0.01)
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c = video::SColor(255,50,128,50);
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else
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c = video::SColor(255,107,134,51);*/
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c = video::SColor(255,107,134,51);
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}
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}
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}
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// Set to water level
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for(u32 i=0; i<4; i++)
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@ -223,7 +329,9 @@ void FarMesh::render()
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if(b < 0) b = 0;
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if(b > 2) b = 2;
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c = video::SColor(128, b*c.getRed(), b*c.getGreen(), b*c.getBlue());
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c = video::SColor(255, b*c.getRed(), b*c.getGreen(), b*c.getBlue());
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driver->setMaterial(m_materials[0]);
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video::S3DVertex vertices[4] =
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{
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@ -235,9 +343,54 @@ void FarMesh::render()
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u16 indices[] = {0,1,2,2,3,0};
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driver->drawVertexPrimitiveList(vertices, 4, indices, 2,
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video::EVT_STANDARD, scene::EPT_TRIANGLES, video::EIT_16BIT);
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// Add some trees if appropriate
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if(tree_amount_avg > 0.006 && steepness < 1.0
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&& ma_avg >= 2.0*BS && have_sand_count <= 2)
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{
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driver->setMaterial(m_materials[1]);
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float b = m_brightness;
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c = video::SColor(255, b*255, b*255, b*255);
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{
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video::S3DVertex vertices[4] =
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{
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video::S3DVertex(p0.X,noise[0],p0.Y,
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0,0,0, c, 0,1),
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video::S3DVertex(p0.X,noise[1]+BS*MAP_BLOCKSIZE,p0.Y,
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0,0,0, c, 0,0),
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video::S3DVertex(p1.X,noise[2]+BS*MAP_BLOCKSIZE,p1.Y,
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0,0,0, c, 1,0),
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video::S3DVertex(p1.X,noise[3],p1.Y,
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0,0,0, c, 1,1),
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};
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u16 indices[] = {0,1,2,2,3,0};
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driver->drawVertexPrimitiveList(vertices, 4, indices, 2,
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video::EVT_STANDARD, scene::EPT_TRIANGLES,
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video::EIT_16BIT);
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}
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{
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video::S3DVertex vertices[4] =
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{
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video::S3DVertex(p1.X,noise[0],p0.Y,
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0,0,0, c, 0,1),
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video::S3DVertex(p1.X,noise[1]+BS*MAP_BLOCKSIZE,p0.Y,
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0,0,0, c, 0,0),
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video::S3DVertex(p0.X,noise[2]+BS*MAP_BLOCKSIZE,p1.Y,
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0,0,0, c, 1,0),
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video::S3DVertex(p0.X,noise[3],p1.Y,
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0,0,0, c, 1,1),
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};
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u16 indices[] = {0,1,2,2,3,0};
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driver->drawVertexPrimitiveList(vertices, 4, indices, 2,
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video::EVT_STANDARD, scene::EPT_TRIANGLES,
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video::EIT_16BIT);
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}
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}
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}
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driver->clearZBuffer();
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//driver->clearZBuffer();
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}
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void FarMesh::step(float dtime)
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@ -251,3 +404,4 @@ void FarMesh::update(v2f camera_p, float brightness)
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m_brightness = brightness;
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}
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