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65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
#include "Lighting.h"
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#include <GL/gl.h>
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#include "platform/sdl2/Render.h"
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#include "app/include/stubs.h"
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#include "java/FloatBuffer.h"
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#include "minecraft/world/phys/Vec3.h"
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FloatBuffer* Lighting::lb = new FloatBuffer(16);
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void Lighting::turnOff() {
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glDisable(GL_LIGHTING);
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glDisable(GL_LIGHT0);
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glDisable(GL_LIGHT1);
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glDisable(GL_COLOR_MATERIAL);
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}
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void Lighting::turnOn() {
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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glEnable(GL_LIGHT1);
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glEnable(GL_COLOR_MATERIAL);
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glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
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float a = 0.4f;
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float d = 0.6f;
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float s = 0.0f;
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Vec3 l(0.2f, 1.0f, -0.7f);
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l = l.normalize();
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glLight(GL_LIGHT0, GL_POSITION, getBuffer(l.x, l.y, l.z, 0));
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glLight(GL_LIGHT0, GL_DIFFUSE, getBuffer(d, d, d, 1));
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glLight(GL_LIGHT0, GL_AMBIENT, getBuffer(0.0f, 0.0f, 0.0f, 1.0f));
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glLight(GL_LIGHT0, GL_SPECULAR, getBuffer(s, s, s, 1.0f));
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l = Vec3(-0.2f, 1.0f, 0.7f);
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l = l.normalize();
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glLight(GL_LIGHT1, GL_POSITION, getBuffer(l.x, l.y, l.z, 0));
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glLight(GL_LIGHT1, GL_DIFFUSE, getBuffer(d, d, d, 1));
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glLight(GL_LIGHT1, GL_AMBIENT, getBuffer(0.0f, 0.0f, 0.0f, 1.0f));
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glLight(GL_LIGHT1, GL_SPECULAR, getBuffer(s, s, s, 1.0f));
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glShadeModel(GL_FLAT);
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glLightModel(GL_LIGHT_MODEL_AMBIENT, getBuffer(a, a, a, 1));
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}
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FloatBuffer* Lighting::getBuffer(double a, double b, double c, double d) {
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return getBuffer((float)a, (float)b, (float)c, (float)d);
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}
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FloatBuffer* Lighting::getBuffer(float a, float b, float c, float d) {
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lb->clear();
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lb->put(a)->put(b)->put(c)->put(d);
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lb->flip();
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return lb;
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}
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void Lighting::turnOnGui() {
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glPushMatrix();
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glRotatef(-30, 0, 1, 0);
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glRotatef(165, 1, 0, 0);
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turnOn();
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glPopMatrix();
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}
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