initial texture support for ase models

8 files changed, 225 insertions, 42 deletions

diff --git a/src/model/asefile.cc b/src/model/asefile.cc
index 7b574d7..f4f3342 100644
--- a/src/model/asefile.cc
+++ b/src/model/asefile.cc
@@ -33,6 +33,11 @@ ASEFile::ASEFile(std::string const &name)
 
 ASEFile::~ASEFile()
 {
+	for (VertexList::iterator it = ase_tvertexlist.begin(); it != ase_tvertexlist.end(); it++) {
+		delete (*it).second;
+	}
+	ase_tvertexlist.clear();
+
 	for (VertexList::iterator it = ase_vertexlist.begin(); it != ase_vertexlist.end(); it++) {
 		delete (*it).second;
 	}
@@ -126,7 +131,7 @@ bool ASEFile::read_mesh_face_list(std::istream &is)
 		line >> word;
 
 		if (word.compare("}") == 0) {
-			con_debug << count << " mesh faces" << std::endl;
+			con_debug << "    " << count << " mesh faces" << std::endl;
 			return true;
 
 		} else if ( word.compare("*MESH_FACE") == 0) {
@@ -160,6 +165,8 @@ bool ASEFile::read_mesh_normals(std::istream &is)
 	char data[1024];
 	memset(data, 0, sizeof(data));
 
+	size_t count = 0;
+
 	size_t index = 0;
 	size_t vertindex = 0;
 	float x, y, z;
@@ -172,6 +179,7 @@ bool ASEFile::read_mesh_normals(std::istream &is)
 		line >> firstword;
 
 		if (firstword.compare("}") == 0) {
+			con_debug << "    " << count << " face normals" << std::endl;
 			return true;
 
 		} else if ( firstword.compare("*MESH_FACENORMAL") == 0) {
@@ -179,6 +187,7 @@ bool ASEFile::read_mesh_normals(std::istream &is)
 				it = ase_facelist.find(index);
 				if (it != ase_facelist.end()) {
 					(*it).second->normal().assign(x, y, z);
+					count++;
 				} else {
 					con_debug << "  could not find face " << index << std::endl;
 				}
@@ -205,6 +214,76 @@ bool ASEFile::read_mesh_normals(std::istream &is)
 
 	return false;
 }
+bool ASEFile::read_mesh_tvertex_list(std::istream &is)
+{
+	size_t count = 0;
+
+	char data[1024];
+	memset(data, 0, sizeof(data));
+
+	while (is.getline(data, sizeof(data) -1 )) {
+		std::istringstream line(data);
+
+		std::string firstword;
+		line >> firstword;
+
+		if (firstword.compare("}") == 0) {
+			con_debug << "    " << count << " texture vertices" << std::endl;
+			return true;
+
+		} else if ( firstword.compare("*MESH_TVERT") == 0) {
+			size_t index;
+			float x, y, z;
+			if (line >> index >> x >> y >> z) {
+				math::Vector3f *v = new math::Vector3f(x, y, z);
+				ase_tvertexlist[index] = v;
+				count++;
+			}
+		}
+	}
+
+	return false;
+}
+
+bool ASEFile::read_mesh_tface_list(std::istream &is)
+{
+size_t count = 0;
+
+	char data[1024];
+	memset(data, 0, sizeof(data));
+
+	while (is.getline(data, sizeof(data) -1 )) {
+		std::istringstream line(data);
+
+		std::string firstword;
+		line >> firstword;
+
+		if (firstword.compare("}") == 0) {
+			con_debug << "    " << count << " face texture coordinates" << std::endl;
+			return true;
+
+		} else if ( firstword.compare("*MESH_TFACE") == 0) {
+			size_t index, a, b, c;
+			if (line >> index >> a >> b >> c) {
+				Triangle *triangle = ase_facelist[index];
+				math::Vector3f *t0 = ase_tvertexlist[a];
+				math::Vector3f *t1 = ase_tvertexlist[b];
+				math::Vector3f *t2 = ase_tvertexlist[c];
+				if (triangle) {
+					if (t0)
+						triangle->t0().assign(t0->x, t0->y);
+					if (t1)
+						triangle->t1().assign(t1->x, t1->y);
+					if (t2)
+						triangle->t2().assign(t2->x, t2->y);
+				}
+				count++;
+			}
+		}
+	}
+
+	return false;
+}
 
 bool ASEFile::read_mesh(std::istream &is)
 {
@@ -238,6 +317,18 @@ bool ASEFile::read_mesh(std::istream &is)
 				read_mesh_normals(is);
 			}
 
+		} else if ((level == 1 ) && (word.compare("*MESH_TVERTLIST") == 0)) {
+ 			if ((line >> word) && (word.compare("{") == 0)) {
+				con_debug << "  " << name() << " *MESH_TVERTLIST" << std::endl;
+				read_mesh_tvertex_list(is);
+			}
+
+		} else if ((level == 1 ) && (word.compare("*MESH_TFACELIST") == 0)) {
+ 			if ((line >> word) && (word.compare("{") == 0)) {
+				con_debug << "  " << name() << " *MESH_TFACELIST" << std::endl;
+				read_mesh_tface_list(is);
+			}
+
 		} else {
 
 			do {
@@ -337,11 +428,12 @@ Model * ASEFile::load(const std::string &name)
 	Model *model = new Model(name);
 
 	// default material
-	Material *material = Material::find("textures/common/entity");
+	Material *material = Material::find("models/" + name);
 	if (!material) {
-		material = new Material("placeholder");
+		material = new Material("models/" + name);
 		Material::add(material);
-		material->set_flags(Material::Primary);
+		material->set_flags(Material::Texture);
+		material->set_texture(material->name());
 	}
 
 	// a single fragment for all the model triangles
@@ -353,18 +445,21 @@ Model * ASEFile::load(const std::string &name)
 	// calculate model center
 	math::Vector3f center((asefile.ase_minbbox + asefile.ase_maxbbox) * 0.5f);
 
-	model->model_minbbox = asefile.ase_minbbox - center;
-	model->model_maxbbox =  asefile.ase_maxbbox  - center;
+	//const float scale = SCALE;
+	const float scale = 0.125f;
 
-	model->model_radius = asefile.ase_minbbox.length();
+	// caculate bounding box
+	model->model_minbbox = (asefile.ase_minbbox - center) * scale;
+	model->model_maxbbox =  (asefile.ase_maxbbox  - center) * scale;
+	model->model_radius = model->model_maxbbox.length();
 
 	// load the model faces into the fragment
 	for (FaceList::iterator it = asefile.ase_facelist.begin(); it != asefile.ase_facelist.end(); it++) {
 		Triangle *triangle = (*it).second;
 
-		fragment->add_vertex(triangle->v0() - center , triangle->n0(), false);
-		fragment->add_vertex(triangle->v1() - center , triangle->n1(), false);
-		fragment->add_vertex(triangle->v2() - center , triangle->n2(), false);
+		fragment->add_vertex((triangle->v0() - center) * scale , triangle->n0(), triangle->t0(), false);
+		fragment->add_vertex((triangle->v1() - center) * scale , triangle->n1(), triangle->t1(), false);
+		fragment->add_vertex((triangle->v2() - center) * scale , triangle->n2(), triangle->t2(), false);
 		
 		model->model_tris_count++;
 		model->model_tris_detail_count++;
diff --git a/src/model/asefile.h b/src/model/asefile.h
index 7f5ab03..dc1516b 100644
--- a/src/model/asefile.h
+++ b/src/model/asefile.h
@@ -55,6 +55,16 @@ private:
 	bool read_mesh_vertex_list(std::istream &is);
 
 	/**
+	 * @brief read *MESH_TVERTLIST
+	 */
+	bool read_mesh_tvertex_list(std::istream &is);
+
+	/**
+	 * @brief read *MESH_TFACELIST
+	 */
+	bool read_mesh_tface_list(std::istream &is);
+
+	/**
 	 * @brief read *MESH
 	 */
 	bool read_mesh(std::istream &is);
@@ -84,6 +94,8 @@ private:
 
 	VertexList		ase_vertexlist;
 
+	VertexList		ase_tvertexlist;
+
 	FaceList		ase_facelist;
 
 	math::Vector3f		ase_maxbbox;
diff --git a/src/model/fragment.cc b/src/model/fragment.cc
index 7765b7e..72d8e2a 100644
--- a/src/model/fragment.cc
+++ b/src/model/fragment.cc
@@ -37,6 +37,17 @@ size_t Fragment::add_vertex(math::Vector3f const & vertex, math::Vector3f const
 	return n;
 }
 
+size_t Fragment::add_vertex(math::Vector3f const & vertex, math::Vector3f const &normal, math::Vector2f const &texcoord, bool detail)
+{
+	size_t n = VertexArray::instance()->add_vertex(vertex, normal, texcoord.x, texcoord.y);
+	if (n) {
+		if (detail)
+			fragment_detail_size += n;
+		else
+			fragment_structural_size += n;
+	}
+	return n;
+}
 /* ---- class FragmentGroup ---------------------------------------- */
 
 FragmentGroup::FragmentGroup()
diff --git a/src/model/fragment.h b/src/model/fragment.h
index e975734..9d992e1 100644
--- a/src/model/fragment.h
+++ b/src/model/fragment.h
@@ -11,6 +11,7 @@
 
 #include "math/axis.h"
 #include "math/vector3f.h"
+#include "math/vector2f.h"
 #include "model/material.h"
 
 namespace model
@@ -28,6 +29,9 @@ public:
 	
 	/// add a vertex to the fragment
 	size_t add_vertex(math::Vector3f const & vertex, math::Vector3f const &normal, bool detail);
+
+	/// add a vertex to the fragment
+	size_t add_vertex(math::Vector3f const & vertex, math::Vector3f const &normal, math::Vector2f const &texcoord, bool detail);
 	
 	/// the type of primitives this fragment consists of
 	inline Type type() const
diff --git a/src/model/map.cc b/src/model/map.cc
index 8165e3a..9cb5295 100644
--- a/src/model/map.cc
+++ b/src/model/map.cc
@@ -434,16 +434,13 @@ void Map::make_brushface(Plane *face)
 	
 	if (vl.size() > 2) {
 	
-		Material *material = Material::find(face->texture());
+		Material *material = Material::find("textures/" + face->texture());
+
 		if (!material) {
-			material = new Material(face->texture());
+			material = new Material("textures/" + face->texture());
 			Material::add(material);
-			material->set_color(math::Color(1.0, 0.0f, 1.0f));
-			material->set_flags(Material::Bright);
-
-			// don't show material warnings on a dedicated server
-			if (VertexArray::instance())
-				con_warn << "Unkown material '" << face->texture() << "'" << std::endl;
+			material->set_flags(Material::Texture);
+			material->set_texture(material->name());
 		}
 		
 		// find the list if primitives for the current material, allocate a new one if necessary
diff --git a/src/model/material.cc b/src/model/material.cc
index 81adfae..7d278f9 100644
--- a/src/model/material.cc
+++ b/src/model/material.cc
@@ -19,6 +19,7 @@ Material::Material(const std::string &name) : material_name(name), material_colo
 {
 	aux::to_lowercase(material_name);
 	material_flags = 0;
+	material_texture_id = 0;
 }
 
 Material::~Material()
@@ -31,6 +32,16 @@ void Material::set_color(const math::Color &color)
 	material_color.a = 1.0f;
 }
 
+void Material::set_texture(const std::string &texture)
+{
+	material_texture.assign(texture);
+}
+
+void Material::set_texture_id(const size_t texture_id)
+{
+	material_texture_id = texture_id;
+}
+
 Material::Registry Material::material_registry;
 
 void Material::init()
@@ -113,17 +124,14 @@ void Material::load_shader(const std::string &shadername)
 
 			} else if ((firstword.size()) && (parselevel == 0) ) {
 
-				if (firstword.compare(0, 9, "textures/") == 0) {
-					firstword.erase(0, 9);
-					material = find(firstword);
-					if (material) {
-						con_warn << "Duplicate material '" << firstword << "'" << std::endl;
-					} else {
-						material = new Material(firstword);
-						add(material);
-						//con_debug << "  " << firstword << std::endl;
-					}
+				material = find(firstword);
+				if (material) {
+					con_warn << "Duplicate material '" << firstword << "'" << std::endl;
+				} else {
+					material = new Material(firstword);
+					add(material);
 					count++;
+					//con_debug << "  " << firstword << std::endl;
 				}
 
 			} else if ((parselevel == 1) && (material)) {
@@ -151,6 +159,16 @@ void Material::load_shader(const std::string &shadername)
 					continue;
 				} else if (firstword.compare("qer_trans") == 0) {
 					continue;
+				} else if (firstword.compare("texture") == 0) {
+
+					// texture name should not contain spaces
+					if (linestream >> firstword) {
+						material->set_texture(firstword);
+						material->set_flags(Material::Texture);
+					} else {
+						con_warn << shaderfile.name() << " texture key without filename at line " << linenumber << std::endl;
+					}
+
 				} else {
 					con_warn << shaderfile.name() << " unknown key '" << firstword 
 						<< "' at line " << linenumber << std::endl;
diff --git a/src/model/material.h b/src/model/material.h
index a2ba0d6..9072a4d 100644
--- a/src/model/material.h
+++ b/src/model/material.h
@@ -20,20 +20,35 @@ class Material
 {
 public:
 	/// surface flags
-	enum SurfaceFlags { None=0, Primary=1, Secondary=2, Tertiary=3, Bright=4, Engine=8, Environment=16};
+	enum SurfaceFlags { None=0, Primary=1, Secondary=2, Tertiary=3, Bright=4, Engine=8, Environment=16, Texture=32};
 
 	/// type definition for the material registry
 	typedef std::map<std::string, Material *> Registry;
 
 	Material(const std::string &name);
+
 	~Material();
 
+	/* ---- inspectors ----------------------------------------- */
+
 	inline const std::string &name() const { return material_name; }
 
 	inline const math::Color &color() const { return material_color; }
 
 	inline const unsigned int flags() const { return material_flags; }
 
+	inline const std::string &texture() const { return material_texture; }
+
+	inline const size_t texture_id() const { return material_texture_id; }
+
+	/* ---- mutators ------------------------------------------- */
+
+	void set_color(const math::Color &color);
+
+	void set_texture(const std::string &texture);
+
+	void set_texture_id(const size_t texture_id);
+
 	inline void set_flags(SurfaceFlags flags)
 	{
 		material_flags |= flags;
@@ -43,31 +58,38 @@ public:
 	{
 		material_flags &= ~flags;
 	}
-
-
-	void set_color(const math::Color &color);
 	
-/* ---- static ----------------------------------------------------- */
+	/* ---- static ----------------------------------------------------- */
 
 	/**
-	 * @brief initialize materials
-	 * reads materials from the shader files
+	 * @brief initialize material registry
+	 * reads materials from the shader files listed in shaderlist.txt
 	 */
 	static void init();
 
-	/// clear all materials
+	/** 
+	 * @brief shutdown material registry
+	 */
 	static void shutdown();
 
-	/// clear all materials
+	/** 
+	 * @brief clear material registry
+	 */
 	static void clear();
 
-	/// list registered materials
+	/**
+	 * @brief print registered materials to the system console
+	 */
 	static void list();
 
-	/// add a material to the registry
+	/**
+	 * @brief add a material to the registry
+	 */
 	static void add(Material *material);
 
-	/// find a material in the registry
+	/**
+	 * @brief find a material in the registry
+	 */
 	static Material *find(const std::string &name);
 
 private:
@@ -75,8 +97,10 @@ private:
 	std::string		material_name;
 	math::Color		material_color;
 	unsigned int		material_flags;
+	std::string		material_texture;
+	size_t			material_texture_id;
 
-	/// the material registry
+	/// the materials registry
 	static Registry		material_registry;
 
 	static void load_shader(const std::string &shadername);
diff --git a/src/model/triangle.h b/src/model/triangle.h
index fe1c720..a3fb643 100644
--- a/src/model/triangle.h
+++ b/src/model/triangle.h
@@ -8,6 +8,7 @@
 #define __INCLUDED_MODEL_TRIANGLE_H__
 
 #include "math/color.h"
+#include "math/vector2f.h"
 #include "math/vector3f.h"
 
 namespace model
@@ -78,6 +79,12 @@ public:
 		return triangle_n0;
 	}
 
+	/// triangle vertex 0 texture coordinates
+	inline math::Vector2f & t0()
+	{
+		return triangle_t0;
+	}
+
 	/// triangle vertex 1
 	inline math::Vector3f & v1()
 	{
@@ -89,6 +96,12 @@ public:
 	{
 		return triangle_n1;
 	}
+
+	/// triangle vertex 1 texture coordinates
+	inline math::Vector2f & t1()
+	{
+		return triangle_t1;
+	}
 	
 	/// triangle vertex 2
 	inline math::Vector3f & v2()
@@ -96,22 +109,31 @@ public:
 		return triangle_v2;
 	}
 
-	/// triangle vertex 0 normal
+	/// triangle vertex 2 normal
 	inline math::Vector3f & n2()
 	{
 		return triangle_n2;
 	}
 
+	/// triangle vertex 2 texture coordinates
+	inline math::Vector2f & t2()
+	{
+		return triangle_t2;
+	}
+
 private:
 
 	math::Vector3f 		triangle_v0;
 	math::Vector3f 		triangle_n0;
+	math::Vector2f		triangle_t0;
 
 	math::Vector3f 		triangle_v1;
 	math::Vector3f 		triangle_n1;
+	math::Vector2f		triangle_t1;
 
 	math::Vector3f 		triangle_v2;
 	math::Vector3f 		triangle_n2;
+	math::Vector2f		triangle_t2;
 		
 	math::Vector3f 		triangle_normal;
 	bool			triangle_detail;