added DEBUG_GL_ERROR debug functionality
git-svn-id: svn://anubis/anaglym/trunk@188 99a6e188-d820-4881-8870-2d33a10e2619
This commit is contained in:
Josh Holtrop
parent
72173f9fa0
commit
016ae7f1a2
55
Engine.cc
55
Engine.cc
@ -72,6 +72,24 @@ static void debug_hook(lua_State * L, lua_Debug * debug)
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g_engine->debug_hook(debug);
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}
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#define DEBUG_GL_ERROR
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#ifdef DEBUG_GL_ERROR
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#define checkGLError() checkGLErrorLine(__FUNCTION__, __LINE__)
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#else
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#define checkGLError()
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#endif
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static void checkGLErrorLine(const char * function, int line)
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{
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GLenum err = glGetError();
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if (err != 0)
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{
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cerr << "gl error in " << function
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<< ": " << err << " (0x" << hex << err << ") at line "
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<< dec << line << endl;
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}
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}
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/******** Engine functions ********/
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Engine::Engine(const string & path, Video & video)
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@ -300,12 +318,14 @@ Engine::Object * Engine::getObject(int id)
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void Engine::startFrame()
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{
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checkGLError();
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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gluLookAt(m_eye[0], m_eye[1], m_eye[2],
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m_center[0], m_center[1], m_center[2],
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m_up[0], m_up[1], m_up[2]);
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checkGLError();
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}
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void Engine::endFrame()
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@ -506,8 +526,9 @@ void Engine::getScreenSize(int * width, int * height)
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void Engine::drawText(const char * text, GLfloat r, GLfloat g, GLfloat b,
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int ptsize, float x, float y)
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{
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checkGLError();
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m_font->FaceSize(ptsize);
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glPushAttrib(GL_ENABLE_BIT);
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glPushAttrib(GL_ENABLE_BIT | GL_LIGHTING_BIT);
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glDisable(GL_LIGHTING);
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glPushMatrix();
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glTranslatef(x, y, 0);
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@ -515,6 +536,7 @@ void Engine::drawText(const char * text, GLfloat r, GLfloat g, GLfloat b,
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m_font->Render(text);
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glPopMatrix();
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glPopAttrib();
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checkGLError();
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}
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void Engine::getTextSize(const char * text, int ptsize,
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@ -529,6 +551,7 @@ void Engine::getTextSize(const char * text, int ptsize,
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void Engine::drawLine(float r, float g, float b,
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float x1, float y1, float x2, float y2, float width)
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{
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checkGLError();
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glPushAttrib(GL_LINE_BIT | GL_ENABLE_BIT);
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glDisable(GL_DEPTH_TEST);
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glDisable(GL_LIGHTING);
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@ -540,11 +563,13 @@ void Engine::drawLine(float r, float g, float b,
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glVertex2f(x2, y2);
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glEnd();
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glPopAttrib();
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checkGLError();
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}
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void Engine::drawRect(float r, float g, float b,
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float width, float height, float x, float y, float rot)
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{
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checkGLError();
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glPushAttrib(GL_ENABLE_BIT);
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glPushMatrix();
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glTranslatef(x, y, 0);
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@ -561,11 +586,13 @@ void Engine::drawRect(float r, float g, float b,
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glEnd();
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glPopMatrix();
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glPopAttrib();
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checkGLError();
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}
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void Engine::fillRect(float r, float g, float b,
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float width, float height, float x, float y, float rot)
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{
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checkGLError();
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glPushAttrib(GL_ENABLE_BIT);
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glPushMatrix();
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glTranslatef(x, y, 0);
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@ -582,11 +609,13 @@ void Engine::fillRect(float r, float g, float b,
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glEnd();
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glPopMatrix();
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glPopAttrib();
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checkGLError();
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}
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void Engine::drawImage(float width, float height, float x, float y,
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int tex, float rot)
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{
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checkGLError();
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glPushAttrib(GL_ENABLE_BIT);
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glPushMatrix();
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glTranslatef(x, y, 0);
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@ -608,6 +637,7 @@ void Engine::drawImage(float width, float height, float x, float y,
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glEnd();
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glPopMatrix();
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glPopAttrib();
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checkGLError();
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}
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/* called by SDL when the update timer expires */
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@ -726,6 +756,7 @@ void Engine::update_overlay_event()
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{
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if (m_event_update_overlay_present)
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{
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checkGLError();
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glPushAttrib(GL_ENABLE_BIT);
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glDisable(GL_DEPTH_TEST);
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int width = m_video.getWidth();
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@ -749,6 +780,7 @@ void Engine::update_overlay_event()
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glPopMatrix();
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glMatrixMode(GL_MODELVIEW);
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glPopAttrib();
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checkGLError();
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}
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}
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@ -926,18 +958,23 @@ Engine::Object::Object(const Engine::Object & orig)
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{
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m_is_visible = orig.m_is_visible;
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m_ode_object = new OdeWorld::Object(*orig.m_ode_object);
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m_display_list = orig.m_display_list;
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m_is_managed = orig.m_is_managed;
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if (m_is_managed)
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m_display_list = 0;
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else
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m_display_list = orig.m_display_list;
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m_display_list_refcnt = orig.m_display_list_refcnt;
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if (m_display_list_refcnt != NULL)
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(*m_display_list_refcnt)++;
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m_scale = orig.m_scale;
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m_is_scaled = orig.m_is_scaled;
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m_is_managed = orig.m_is_managed;
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m_geom_type = orig.m_geom_type;
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m_args = orig.m_args;
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for (int i = 0; i < 4; i++)
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m_color[i] = orig.m_color[i];
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m_texture = orig.m_texture;
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if (m_is_managed)
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render();
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}
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Engine::Object::~Object()
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@ -953,6 +990,10 @@ Engine::Object::~Object()
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glDeleteLists(m_display_list, 1);
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}
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}
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else
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{
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glDeleteLists(m_display_list, 1);
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}
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}
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void Engine::Object::createManagedObject()
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@ -997,7 +1038,10 @@ void Engine::Object::render()
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return;
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GLUquadric * quad = gluNewQuadric();
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if (m_display_list <= 0)
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{
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m_display_list = glGenLists(1);
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}
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checkGLError();
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glNewList(m_display_list, GL_COMPILE);
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glPushAttrib(GL_ENABLE_BIT);
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if (m_texture != 0)
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@ -1182,6 +1226,7 @@ void Engine::Object::render()
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gluDeleteQuadric(quad);
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glPopAttrib();
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glEndList();
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checkGLError();
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}
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void Engine::Object::loadPhy(const FileLoader::Path & path)
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@ -1257,6 +1302,7 @@ void Engine::Object::draw()
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{
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if (m_is_visible)
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{
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checkGLError();
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const dReal * pos = m_ode_object->getPosition();
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const dReal * rot = m_ode_object->getRotation();
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bool transform = (pos != NULL && rot != NULL);
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@ -1271,13 +1317,16 @@ void Engine::Object::draw()
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glScalef(m_scale, m_scale, m_scale);
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}
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checkGLError();
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glCallList(m_display_list);
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checkGLError();
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if (m_is_scaled)
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glPopAttrib();
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if (transform)
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glPopMatrix();
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checkGLError();
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}
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}
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2
Engine.h
2
Engine.h
@ -82,7 +82,6 @@ class Engine
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float m_scale;
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bool m_is_scaled;
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bool m_is_managed;
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GLuint m_texture;
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/* for "pre-loaded" objects */
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int * m_display_list_refcnt;
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@ -91,6 +90,7 @@ class Engine
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OdeWorld::GeomType m_geom_type;
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refptr< std::vector<float> > m_args;
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float m_color[4];
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GLuint m_texture;
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};
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class EngineFileLoader : public FileLoader
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@ -57,6 +57,7 @@ end
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function update_overlay_event(width, height)
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local tw, th = ag.getTextSize("Hi there", 18)
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ag.drawText("Hi there", 1, 1, 0, 18, width - tw - 40, height - th - 40)
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ag.drawText("Hello", 1, 0, 1, 20, 200, 200)
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-- ag.drawLine(1, 0, 0.3, 10, 10, 40, 60)
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-- ag.drawLine(1, 0.7, 1, 50, 10, 100, 60, 5)
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-- ag.drawRect(0, 1, 0, 40, 40, width / 2, height / 2)
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