#include <GL/gl.h>
#include <GL/glu.h>
#include <SDL.h>

#include "nexus.h"

void BrowserRender(void) {
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

	// Switch to 3D rendering (Scene)
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(60.0, winW/winH, 0.01, 1000.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    gluLookAt(cam.x, cam.y, cam.z,
            cam.lx, cam.ly, cam.lz,
            0.0, 1.0, 0.0);

	SkyRender();
	RenderFloor();

	struct BrowserListEntry *entry = browser_list.first_entry;
    if (entry == NULL)
        return;

    while (1) {
        glPushMatrix();
        glTranslatef(0.0, 0.2*(entry->rank-1), 0.0);
        glColor3f(0.2, 0.2, 0.2);
        glBegin(GL_QUADS);
        glVertex2f(0.0, 0.0);
        glVertex2f(0.0, 1.0);
        glVertex2f(1.0, 1.0);
        glVertex2f(1.0, 0.0);
        glEnd();
        glPopMatrix();
        FontRender(0.0, 0.2*(entry->rank-1), 0.1, entry->name);

        if (entry->next != NULL)
            entry = entry->next;
        else
            break;
    }

	// Switch to 2D rendering (HUD)
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluOrtho2D(0.0, winW, 0.0, winH);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();

	if (terminal_visible)
		TerminalRender();

	SDL_GL_SwapWindow(window);
}