X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Fmesh.h;h=0c4094de2a7777e5138ceb47b99b188a0c945c6f;hb=8349a3db1072e3a805482e91c442f9a158ea60b1;hp=062363bb746295cc7c27e33f6b55e85b3a1929d3;hpb=497ff1ecd64c8908f988e15ca879824f2781e3fd;p=oweals%2Fminetest.git

diff --git a/src/mesh.h b/src/mesh.h
index 062363bb7..0c4094de2 100644
--- a/src/mesh.h
+++ b/src/mesh.h
@@ -1,6 +1,6 @@
 /*
 Minetest
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
@@ -17,11 +17,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef MESH_HEADER
-#define MESH_HEADER
+#pragma once
 
 #include "irrlichttypes_extrabloated.h"
-#include <string>
+#include "nodedef.h"
+
+/*!
+ * Applies shading to a color based on the surface's
+ * normal vector.
+ */
+void applyFacesShading(video::SColor &color, const v3f &normal);
 
 /*
 	Create a new cube mesh.
@@ -32,16 +37,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 scene::IAnimatedMesh* createCubeMesh(v3f scale);
 
-/*
-	Create a new extruded mesh from a texture.
-	Maximum bounding box is (+-scale.X/2, +-scale.Y/2, +-scale.Z).
-	Thickness is in Z direction.
-
-	The resulting mesh has 1 material which must be defined by the caller.
-*/
-scene::IAnimatedMesh* createExtrudedMesh(video::ITexture *texture,
-		video::IVideoDriver *driver, v3f scale);
-
 /*
 	Multiplies each vertex coordinate by the specified scaling factors
 	(componentwise vector multiplication).
@@ -53,11 +48,27 @@ void scaleMesh(scene::IMesh *mesh, v3f scale);
 */
 void translateMesh(scene::IMesh *mesh, v3f vec);
 
+/*!
+ * Sets a constant color for all vertices in the mesh buffer.
+ */
+void setMeshBufferColor(scene::IMeshBuffer *buf, const video::SColor &color);
+
 /*
 	Set a constant color for all vertices in the mesh
 */
 void setMeshColor(scene::IMesh *mesh, const video::SColor &color);
 
+/*
+	Set a constant color for an animated mesh
+*/
+void setAnimatedMeshColor(scene::IAnimatedMeshSceneNode *node, const video::SColor &color);
+
+/*!
+ * Overwrites the color of a mesh buffer.
+ * The color is darkened based on the normal vector of the vertices.
+ */
+void colorizeMeshBuffer(scene::IMeshBuffer *buf, const video::SColor *buffercolor);
+
 /*
 	Set the color of all vertices in the mesh.
 	For each vertex, determine the largest absolute entry in
@@ -69,20 +80,50 @@ void setMeshColorByNormalXYZ(scene::IMesh *mesh,
 		const video::SColor &colorY,
 		const video::SColor &colorZ);
 
+void setMeshColorByNormal(scene::IMesh *mesh, const v3f &normal,
+		const video::SColor &color);
+
+/*
+	Rotate the mesh by 6d facedir value.
+	Method only for meshnodes, not suitable for entities.
+*/
+void rotateMeshBy6dFacedir(scene::IMesh *mesh, int facedir);
+
+/*
+	Rotate the mesh around the axis and given angle in degrees.
+*/
+void rotateMeshXYby (scene::IMesh *mesh, f64 degrees);
+void rotateMeshXZby (scene::IMesh *mesh, f64 degrees);
+void rotateMeshYZby (scene::IMesh *mesh, f64 degrees);
+
+/*
+ *  Clone the mesh buffer.
+ *  The returned pointer should be dropped.
+ */
+scene::IMeshBuffer* cloneMeshBuffer(scene::IMeshBuffer *mesh_buffer);
+
+/*
+	Clone the mesh.
+*/
+scene::SMesh* cloneMesh(scene::IMesh *src_mesh);
+
+/*
+	Convert nodeboxes to mesh. Each tile goes into a different buffer.
+	boxes - set of nodeboxes to be converted into cuboids
+	uv_coords[24] - table of texture uv coords for each cuboid face
+	expand - factor by which cuboids will be resized
+*/
+scene::IMesh* convertNodeboxesToMesh(const std::vector<aabb3f> &boxes,
+		const f32 *uv_coords = NULL, float expand = 0);
+
+/*
+	Update bounding box for a mesh.
+*/
+void recalculateBoundingBox(scene::IMesh *src_mesh);
+
 /*
-	Render a mesh to a texture.
-	Returns NULL if render-to-texture failed.
+	Vertex cache optimization according to the Forsyth paper:
+	http://home.comcast.net/~tom_forsyth/papers/fast_vert_cache_opt.html
+	Ported from irrlicht 1.8
 */
-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);
-
-#endif
+scene::IMesh* createForsythOptimizedMesh(const scene::IMesh *mesh);