From 0025c8833bff5618236b229d8d3f4770167a1d15 Mon Sep 17 00:00:00 2001
From: Allanis <allanis.saracraft.studios@gmail.com>
Date: Fri, 24 Nov 2017 22:05:54 +0000
Subject: [PATCH] [Add] Make display lists of planets within range. Nice FPS
improvment. :D
---
src/planet.cpp | 23 +++++++++++++++++------
src/planet.h | 1 +
2 files changed, 18 insertions(+), 6 deletions(-)
diff --git a/src/planet.cpp b/src/planet.cpp
index 932f85d..bdf2164 100644
--- a/src/planet.cpp
+++ b/src/planet.cpp
@@ -12,6 +12,7 @@ Planet::Planet(StarSystem::SBody* sbody) : Body() {
this->sbody = *sbody;
this->sbody.children.clear();
this->sbody.parent = 0;
+ crudDList = 0;
}
Planet::~Planet(void) {
@@ -566,6 +567,10 @@ void Planet::Render(const Frame* a_camFrame) {
glColor3f(1, 1, 1);
if(apparent_size < 0.001) {
+ if(crudDList) {
+ glDeleteLists(crudDList, 1);
+ crudDList = 0;
+ }
glDisable(GL_LIGHTING);
glPointSize(1.0);
glBegin(GL_POINTS);
@@ -573,13 +578,19 @@ void Planet::Render(const Frame* a_camFrame) {
glEnd();
glEnable(GL_LIGHTING);
} else {
- glScalef(rad, rad, rad);
- /* This is a rather brittle test.. */
- if(sbody.type < StarSystem::TYPE_PLANET_DWARF) {
- DrawGasGiant();
- } else {
- DrawRockyPlanet();
+ if(!crudDList) {
+ crudDList = glGenLists(1);
+ glNewList(crudDList, GL_COMPILE);
+ /* This is a rather brittle test.. */
+ if(sbody.type < StarSystem::TYPE_PLANET_DWARF) {
+ DrawGasGiant();
+ } else {
+ DrawRockyPlanet();
+ }
+ glEndList();
}
+ glScalef(rad, rad, rad);
+ glCallList(crudDList);
glClear(GL_DEPTH_BUFFER_BIT);
}
glPopMatrix();
diff --git a/src/planet.h b/src/planet.h
index cff2fa1..05778cb 100644
--- a/src/planet.h
+++ b/src/planet.h
@@ -22,5 +22,6 @@ private:
double radius;
dGeomID geom;
StarSystem::SBody sbody;
+ GLuint crudDList;
};