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C++ ITextureSource::generateTextureFromMesh方法代码示例

本文整理汇总了C++中ITextureSource::generateTextureFromMesh方法的典型用法代码示例。如果您正苦于以下问题:C++ ITextureSource::generateTextureFromMesh方法的具体用法?C++ ITextureSource::generateTextureFromMesh怎么用?C++ ITextureSource::generateTextureFromMesh使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ITextureSource的用法示例。


在下文中一共展示了ITextureSource::generateTextureFromMesh方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: createClientCachedDirect


//.........这里部分代码省略.........
		// - If inventory_texture isn't set yet, create one using
		//   render-to-texture.
		if (def.type == ITEM_NODE) {
			// Get node properties
			content_t id = nodedef->getId(name);
			const ContentFeatures &f = nodedef->get(id);

			bool need_rtt_mesh = cc->inventory_texture == NULL;

			// Keep this in sync with WieldMeshSceneNode::setItem()
			bool need_wield_mesh =
				!(f.mesh_ptr[0] ||
				  f.drawtype == NDT_NORMAL ||
				  f.drawtype == NDT_ALLFACES ||
				  f.drawtype == NDT_AIRLIKE);

			scene::IMesh *node_mesh = NULL;

			if (need_rtt_mesh || need_wield_mesh) {
				u8 param1 = 0;
				if (f.param_type == CPT_LIGHT)
					param1 = 0xee;

				/*
					Make a mesh from the node
				*/
				MeshMakeData mesh_make_data(gamedef, false);
				u8 param2 = 0;
				if (f.param_type_2 == CPT2_WALLMOUNTED)
					param2 = 1;
				MapNode mesh_make_node(id, param1, param2);
				mesh_make_data.fillSingleNode(&mesh_make_node);
				MapBlockMesh mapblock_mesh(&mesh_make_data, v3s16(0, 0, 0));
				node_mesh = mapblock_mesh.getMesh();
				node_mesh->grab();
				video::SColor c(255, 255, 255, 255);
				setMeshColor(node_mesh, c);

				// scale and translate the mesh so it's a
				// unit cube centered on the origin
				scaleMesh(node_mesh, v3f(1.0/BS, 1.0/BS, 1.0/BS));
				translateMesh(node_mesh, v3f(-1.0, -1.0, -1.0));
			}

			/*
				Draw node mesh into a render target texture
			*/
			if (need_rtt_mesh) {
				TextureFromMeshParams params;
				params.mesh = node_mesh;
				params.dim.set(64, 64);
				params.rtt_texture_name = "INVENTORY_"
					+ def.name + "_RTT";
				params.delete_texture_on_shutdown = true;
				params.camera_position.set(0, 1.0, -1.5);
				params.camera_position.rotateXZBy(45);
				params.camera_lookat.set(0, 0, 0);
				// Set orthogonal projection
				params.camera_projection_matrix.buildProjectionMatrixOrthoLH(
						1.65, 1.65, 0, 100);
				params.ambient_light.set(1.0, 0.2, 0.2, 0.2);
				params.light_position.set(10, 100, -50);
				params.light_color.set(1.0, 0.5, 0.5, 0.5);
				params.light_radius = 1000;

#ifdef __ANDROID__
				params.camera_position.set(0, -1.0, -1.5);
				params.camera_position.rotateXZBy(45);
				params.light_position.set(10, -100, -50);
#endif
				cc->inventory_texture =
					tsrc->generateTextureFromMesh(params);

				// render-to-target didn't work
				if (cc->inventory_texture == NULL) {
					cc->inventory_texture =
						tsrc->getTexture(f.tiledef[0].name);
				}
			}

			/*
				Use the node mesh as the wield mesh
			*/
			if (need_wield_mesh) {
				cc->wield_mesh = node_mesh;
				cc->wield_mesh->grab();

				// no way reference count can be smaller than 2 in this place!
				assert(cc->wield_mesh->getReferenceCount() >= 2);
			}

			if (node_mesh)
				node_mesh->drop();
		}

		// Put in cache
		m_clientcached.set(name, cc);

		return cc;
	}
开发者ID:Calinou,项目名称:minetest,代码行数:101,代码来源:itemdef.cpp


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