diff options
Diffstat (limited to 'src/mesh.cpp')
| -rw-r--r-- | src/mesh.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/mesh.cpp b/src/mesh.cpp index 1d347a09f..5afb4af59 100644 --- a/src/mesh.cpp +++ b/src/mesh.cpp @@ -18,8 +18,12 @@ with this program; if not, write to the Free Software Foundation, Inc., */ #include "mesh.h" +#include "log.h" +#include <cassert> +#include <iostream> #include <IAnimatedMesh.h> #include <SAnimatedMesh.h> +#include <ICameraSceneNode.h> // In Irrlicht 1.8 the signature of ITexture::lock was changed from // (bool, u32) to (E_TEXTURE_LOCK_MODE, u32). @@ -73,9 +77,15 @@ scene::IAnimatedMesh* createCubeMesh(v3f scale) { scene::IMeshBuffer *buf = new scene::SMeshBuffer(); buf->append(vertices + 4 * i, 4, indices, 6); + // Set default material + buf->getMaterial().setFlag(video::EMF_LIGHTING, false); + buf->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false); + buf->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF; + // Add mesh buffer to mesh mesh->addMeshBuffer(buf); buf->drop(); } + scene::SAnimatedMesh *anim_mesh = new scene::SAnimatedMesh(mesh); mesh->drop(); scaleMesh(anim_mesh, scale); // also recalculates bounding box @@ -280,6 +290,13 @@ scene::IAnimatedMesh* createExtrudedMesh(video::ITexture *texture, } img1->drop(); } + + // Set default material + mesh->getMeshBuffer(0)->getMaterial().setTexture(0, texture); + mesh->getMeshBuffer(0)->getMaterial().setFlag(video::EMF_LIGHTING, false); + mesh->getMeshBuffer(0)->getMaterial().setFlag(video::EMF_BILINEAR_FILTER, false); + mesh->getMeshBuffer(0)->getMaterial().MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF; + scaleMesh(mesh, scale); // also recalculates bounding box return mesh; } @@ -313,6 +330,35 @@ void scaleMesh(scene::IMesh *mesh, v3f scale) mesh->setBoundingBox(bbox); } +void translateMesh(scene::IMesh *mesh, v3f vec) +{ + if(mesh == NULL) + return; + + core::aabbox3d<f32> bbox; + bbox.reset(0,0,0); + + u16 mc = mesh->getMeshBufferCount(); + for(u16 j=0; j<mc; j++) + { + scene::IMeshBuffer *buf = mesh->getMeshBuffer(j); + video::S3DVertex *vertices = (video::S3DVertex*)buf->getVertices(); + u16 vc = buf->getVertexCount(); + for(u16 i=0; i<vc; i++) + { + vertices[i].Pos += vec; + } + buf->recalculateBoundingBox(); + + // calculate total bounding box + if(j == 0) + bbox = buf->getBoundingBox(); + else + bbox.addInternalBox(buf->getBoundingBox()); + } + mesh->setBoundingBox(bbox); +} + void setMeshColor(scene::IMesh *mesh, const video::SColor &color) { if(mesh == NULL) @@ -360,3 +406,74 @@ void setMeshColorByNormalXYZ(scene::IMesh *mesh, } } } + +video::ITexture *generateTextureFromMesh(scene::IMesh *mesh, + IrrlichtDevice *device, + core::dimension2d<u32> dim, + std::string texture_name, + v3f camera_position, + v3f camera_lookat, + core::CMatrix4<f32> camera_projection_matrix, + video::SColorf ambient_light, + v3f light_position, + video::SColorf light_color, + f32 light_radius) +{ + video::IVideoDriver *driver = device->getVideoDriver(); + if(driver->queryFeature(video::EVDF_RENDER_TO_TARGET) == false) + { + errorstream<<"generateTextureFromMesh(): EVDF_RENDER_TO_TARGET" + " not supported."<<std::endl; + return NULL; + } + + // Create render target texture + video::ITexture *rtt = driver->addRenderTargetTexture( + dim, texture_name.c_str(), video::ECF_A8R8G8B8); + if(rtt == NULL) + { + errorstream<<"generateTextureFromMesh(): addRenderTargetTexture" + " returned NULL."<<std::endl; + return NULL; + } + + // Set render target + driver->setRenderTarget(rtt, true, true, video::SColor(0,0,0,0)); + + // Get a scene manager + scene::ISceneManager *smgr_main = device->getSceneManager(); + assert(smgr_main); + scene::ISceneManager *smgr = smgr_main->createNewSceneManager(); + assert(smgr); + + scene::IMeshSceneNode* meshnode = smgr->addMeshSceneNode(mesh, NULL, -1, v3f(0,0,0), v3f(0,0,0), v3f(1,1,1), true); + meshnode->setMaterialFlag(video::EMF_LIGHTING, true); + meshnode->setMaterialFlag(video::EMF_ANTI_ALIASING, true); + meshnode->setMaterialFlag(video::EMF_BILINEAR_FILTER, true); + + scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(0, + camera_position, camera_lookat); + // second parameter of setProjectionMatrix (isOrthogonal) is ignored + camera->setProjectionMatrix(camera_projection_matrix, false); + + smgr->setAmbientLight(ambient_light); + smgr->addLightSceneNode(0, light_position, light_color, light_radius); + + // Render scene + driver->beginScene(true, true, video::SColor(0,0,0,0)); + smgr->drawAll(); + driver->endScene(); + + // NOTE: The scene nodes should not be dropped, otherwise + // smgr->drop() segfaults + /*cube->drop(); + camera->drop(); + light->drop();*/ + // Drop scene manager + smgr->drop(); + + // Unset render target + driver->setRenderTarget(0, true, true, 0); + + return rtt; +} |