From 1ade25beaa564e132c845326da73019f9bd9540d Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop+git@gmail.com>
Date: Sat, 24 Oct 2009 01:13:43 +0000
Subject: [PATCH] moved loadPhy() functionality from OdeWorld to Engine::Object

git-svn-id: svn://anubis/anaglym/trunk@121 99a6e188-d820-4881-8870-2d33a10e2619
---
 Engine.cc | 100 +++++++++++++++++++++++++++++++++++++++++++++++++-----
 Engine.h  |   5 +--
 2 files changed, 93 insertions(+), 12 deletions(-)

diff --git a/Engine.cc b/Engine.cc
index 3c65773..519e900 100644
--- a/Engine.cc
+++ b/Engine.cc
@@ -11,6 +11,7 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <iostream>
+#include <sstream>
 #include <string>
 #include <math.h>                   /* fabs() */
 #include <GL/gl.h>
@@ -28,10 +29,34 @@ using namespace std;
 #define doClearHandler(event) \
     do { EVENT_PRESENT_FLAG(event) = false; } while(0)
 
-Engine * g_engine;
+#define WHITESPACE " \t\r\n\f"
 
+/* Global data */
+Engine * g_engine;
 SDL_Event Engine::userEvent;
 
+/* static helper functions */
+static string trim(const string & orig)
+{
+    string result = orig;
+    size_t pos = result.find_first_not_of(WHITESPACE);
+    if (pos == string::npos)
+    {
+        result = "";
+    }
+    else
+    {
+        if (pos > 0)
+            result = result.substr(pos, result.length() - pos);
+        pos = result.find_last_not_of(WHITESPACE);
+        if (pos < result.length() - 1)
+            result = result.substr(0, pos + 1);
+    }
+    return result;
+}
+
+/******** Engine functions ********/
+
 Engine::Engine(const string & path, Video & video)
     : m_video(video)
 {
@@ -321,20 +346,17 @@ int Engine::loadModel(const string & name, bool static_data, float scale)
     if (pos == string::npos)
     {
         FileLoader::Path model_path("", name + ".obj");
-        string phys_path = locateResource(name + ".phy");
+        FileLoader::Path phys_path("", name + ".phy");
 
         WFObj * obj = new WFObj(*m_fileLoader, m_textureCache);
 
         if (obj->load(model_path))
         {
             int id = addObject(obj, static_data, scale);
-            if (phys_path != "")
+            Engine::Object * engine_obj = getObject(id);
+            if (engine_obj != NULL)
             {
-                Engine::Object * engine_obj = getObject(id);
-                if (engine_obj != NULL)
-                {
-                    engine_obj->loadPhy(phys_path);
-                }
+                engine_obj->loadPhy(phys_path);
             }
             return id;
         }
@@ -580,6 +602,8 @@ void Engine::drawObjects()
     }
 }
 
+/******** Engine::Object functions ********/
+
 Engine::Object::Object(bool is_static, OdeWorld & world, GLuint dl, float scale)
 {
     m_ode_object = world.createObject(is_static, scale);
@@ -614,6 +638,66 @@ Engine::Object::~Object()
     }
 }
 
+void Engine::Object::loadPhy(const FileLoader::Path & path)
+{
+    FileLoader::Buffer buff = g_engine->m_fileLoader->load(path);
+    if (buff.size <= 0)
+        return;
+    string str(buff.data, buff.size);
+    stringstream istr(str, ios_base::in);
+    while (!istr.eof())
+    {
+        string line;
+        getline(istr, line);
+        line = trim(line);
+        if (line == "" || line[0] == '#')
+            continue;
+        size_t pos = line.find_first_of(WHITESPACE);
+        if (pos == string::npos)
+            continue;
+        string type = line.substr(0, pos);
+        pos = line.find("\"", pos);
+        if (pos == string::npos)
+            continue;
+        size_t pos2 = line.find("\"", pos + 1);
+        if (pos2 == string::npos)
+            continue;
+        string name = line.substr(pos + 1, pos2 - pos - 1);
+        pos = pos2 + 1;
+        vector<float> args;
+        for (;;)
+        {
+            pos = line.find_first_not_of(WHITESPACE, pos);
+            if (pos == string::npos)
+                break;
+            pos2 = line.find_first_of(WHITESPACE, pos);
+            string n = line.substr(pos, pos2 - pos);
+            float f = atof(n.c_str());
+            args.push_back(f);
+            if (pos2 == string::npos)
+                break;
+            pos = pos2 + 1;
+        }
+        if      (type == "cube")
+        {
+            m_ode_object->addCube(args);
+        }
+        else if (type == "sphere")
+        {
+            m_ode_object->addSphere(args);
+        }
+        else if (type == "cylinder")
+        {
+            m_ode_object->addCylinder(args);
+        }
+        else if (type == "plane")
+        {
+            m_ode_object->addPlane(args);
+        }
+    }
+    m_ode_object->finalize();
+}
+
 void Engine::Object::draw()
 {
     if (m_is_visible)
diff --git a/Engine.h b/Engine.h
index 638c0c2..29d6b65 100644
--- a/Engine.h
+++ b/Engine.h
@@ -30,10 +30,7 @@ class Engine
                 {
                     m_ode_object->getPosition(x, y, z);
                 }
-                void loadPhy(const std::string & path)
-                {
-                    m_ode_object->loadPhy(path);
-                }
+                void loadPhy(const FileLoader::Path & path);
                 void setVisible(bool visible) { m_is_visible = visible; }
                 bool getVisible() { return m_is_visible; }
                 void addForce(dReal fx, dReal fy, dReal fz)