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Code Issues 121 Wiki Activity

terrain drawing moved to renderer

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This commit is contained in:
tmj-fstate
2017-03-12 01:04:41 +01:00
parent 5439fd86f3
commit 54a9642221
7 changed files with 220 additions and 74 deletions
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40
renderer.cpp
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@@ -14,6 +14,12 @@ http://mozilla.org/MPL/2.0/.
#include "dynobj.h"
// returns true if specified object is within camera frustum, false otherwise
bool
opengl_camera::visible( bounding_area const &Area ) const {
return ( m_frustum.sphere_inside( Area.center, Area.radius ) > 0.0f );
}
bool
opengl_camera::visible( TDynamicObject const *Dynamic ) const {
@@ -63,7 +69,7 @@ opengl_renderer::Render() {
Global::FieldOfView / Global::ZoomFactor,
(GLdouble)Global::ScreenWidth / std::max( (GLdouble)Global::ScreenHeight, 1.0 ),
0.1f * Global::ZoomFactor,
m_drawrange );
m_drawrange * Global::fDistanceFactor );
::glMatrixMode( GL_MODELVIEW ); // Select The Modelview Matrix
::glLoadIdentity();
@@ -75,7 +81,10 @@ opengl_renderer::Render() {
World.Environment.render();
}
if( false == World.Ground.Render( World.Camera.Pos ) ) { return false; }
World.Ground.Render_Hidden( World.Camera.Pos );
Render( &World.Ground );
World.Ground.RenderDL( World.Camera.Pos );
World.Ground.RenderAlphaDL( World.Camera.Pos );
World.Render_Cab();
World.Render_UI();
@@ -83,6 +92,33 @@ opengl_renderer::Render() {
return true; // for now always succeed
}
bool
opengl_renderer::Render( TGround *Ground ) {
glDisable( GL_BLEND );
glAlphaFunc( GL_GREATER, 0.35f ); // im mniejsza wartość, tym większa ramka, domyślnie 0.1f
glEnable( GL_LIGHTING );
glColor3f( 1.0f, 1.0f, 1.0f );
float3 const cameraposition = float3( Global::pCameraPosition.x, Global::pCameraPosition.y, Global::pCameraPosition.z );
int const camerax = std::floor( cameraposition.x / 1000.0f ) + iNumRects / 2;
int const cameraz = std::floor( cameraposition.z / 1000.0f ) + iNumRects / 2;
int const segmentcount = 2 * static_cast<int>(std::ceil( m_drawrange * Global::fDistanceFactor / 1000.0f ));
int const originx = std::max( 0, camerax - segmentcount / 2 );
int const originz = std::max( 0, cameraz - segmentcount / 2 );
for( int column = originx; column <= originx + segmentcount; ++column ) {
for( int row = originz; row <= originz + segmentcount; ++row ) {
auto &rectangle = Ground->Rects[ column ][ row ];
if( m_camera.visible( rectangle.m_area ) ) {
rectangle.RenderDL();
}
}
}
return true;
}
bool
opengl_renderer::Render( TDynamicObject *Dynamic ) {